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* [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13
@ 2018-02-13 12:00 Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 01/48] Revert "build-sys: silence make by default or V=0" Paolo Bonzini
                   ` (45 more replies)
  0 siblings, 46 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel

The following changes since commit 7d848450b6e2a3e14a776b4c93704710e7f3d233:

  Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.12-20180212' into staging (2018-02-12 14:52:48 +0000)

are available in the git repository at:


  git://github.com/bonzini/qemu.git tags/for-upstream

for you to fetch changes up to ef07edfd51c4bf375a3185c8a263dd89f2b5b9db:

  travis: use libgcc-4.8-dev (libgcc-6-dev is not available on Ubuntu 14.04) (2018-02-13 11:44:15 +0100)

----------------------------------------------------------------
* CAN bus (will be under network maintainner)
* scsi-block opblockers (myself)
* Dirty log bitmap cleanup (myself)
* SDHCI improvements and tests (Philippe)
* HAX support for larger guest sizese (Yu Ning)

----------------------------------------------------------------
Daniel P. Berrangé (2):
      Revert "build-sys: silence make by default or V=0"
      make: fix help message reference to bogus V=0 variable

Deniz Eren (2):
      hw/net/can: PCM-3680I PCI (dual SJA1000 channel) emulation
      hw/net/can: MIOe-3680 PCI (dual SJA1000 channel) emulation

Marc-André Lureau (2):
      build-sys: remove useless extra*flags variables
      build-sys: check static linking of UBSAN

Paolo Bonzini (5):
      hw/net/can: interrupt cleanup
      g364fb: switch to using DirtyBitmapSnapshot
      memory: remove memory_region_test_and_clear_dirty
      memory: hide memory_region_sync_dirty_bitmap behind DirtyBitmapSnapshot
      memory: unify loops to sync dirty log bitmap

Pavel Pisa (5):
      net/can: simple messages transport implementation for QEMU
      net/can: support for connecting to Linux host SocketCAN interface.
      hw/net/can: SJA1000 chip register level emulation for QEMU
      hw/net/can: Kvaser PCI CAN-S (single SJA1000 channel) emulation
      net/can: documentation

Philippe Mathieu-Daudé (30):
      sdhci: use error_propagate(local_err) in realize()
      sdhci: add qtest to check the SD capabilities register
      sdhci: add check_capab_readonly() qtest
      sdhci: add a check_capab_baseclock() qtest
      sdhci: add a check_capab_sdma() qtest
      sdhci: add qtest to check the SD Spec version
      sdhci: add a 'spec_version property' (default to v2)
      sdhci: use a numeric value for the default CAPAB register
      sdhci: simplify sdhci_get_fifolen()
      sdhci: check the Spec v1 capabilities correctness
      sdhci: replace DMA magic value by BLOCK_SIZE_MASK
      sdhci: check Spec v2 capabilities (DMA and 64-bit bus)
      hw/arm/exynos4210: access the 64-bit capareg with qdev_prop_set_uint64()
      hw/arm/exynos4210: add a comment about a very similar SDHCI (Spec. v2)
      hw/arm/xilinx_zynq: fix the capabilities register to match the datasheet
      sdhci: add support for v3 capabilities
      sdhci: rename the hostctl1 register
      sdhci: implement the Host Control 2 register (tuning sequence)
      sdbus: add trace events
      sdhci: implement UHS-I voltage switch
      sdhci: implement CMD/DAT[] fields in the Present State register
      hw/arm/bcm2835_peripherals: implement SDHCI Spec v3
      hw/arm/bcm2835_peripherals: change maximum block size to 1kB
      hw/arm/fsl-imx6: implement SDHCI Spec. v3
      hw/arm/xilinx_zynqmp: fix the capabilities/spec version to match the datasheet
      hw/arm/xilinx_zynqmp: enable the UHS-I mode
      sdhci: check Spec v3 capabilities qtest
      sdhci: add a check_capab_v3() qtest
      sdhci: add Spec v4.2 register definitions
      travis: use libgcc-4.8-dev (libgcc-6-dev is not available on Ubuntu 14.04)

Sai Pavan Boddu (1):
      sdhci: Fix 64-bit ADMA2

Yu Ning (1):
      hax: Support guest RAM sizes of 4GB or more

 .travis.yml                   |   2 +-
 Makefile                      |   5 +-
 configure                     |  16 +-
 default-configs/pci.mak       |   3 +
 docs/can.txt                  | 107 +++++
 hw/arm/bcm2835_peripherals.c  |  23 +-
 hw/arm/exynos4210.c           |  14 +-
 hw/arm/fsl-imx6.c             |   7 +
 hw/arm/xilinx_zynq.c          |  53 +--
 hw/arm/xlnx-zynqmp.c          |  30 +-
 hw/display/cg3.c              |   1 -
 hw/display/exynos4210_fimd.c  |   1 -
 hw/display/framebuffer.c      |   1 -
 hw/display/g364fb.c           |  11 +-
 hw/display/sm501.c            |   1 -
 hw/display/tcx.c              |   2 -
 hw/display/vga.c              |   6 -
 hw/net/Makefile.objs          |   2 +
 hw/net/can/Makefile.objs      |   4 +
 hw/net/can/can_kvaser_pci.c   | 319 ++++++++++++++
 hw/net/can/can_mioe3680_pci.c | 262 ++++++++++++
 hw/net/can/can_pcm3680_pci.c  | 263 ++++++++++++
 hw/net/can/can_sja1000.c      | 953 ++++++++++++++++++++++++++++++++++++++++++
 hw/net/can/can_sja1000.h      | 146 +++++++
 hw/sd/core.c                  |  61 ++-
 hw/sd/sd.c                    |  29 ++
 hw/sd/sdhci-internal.h        |  71 +++-
 hw/sd/sdhci.c                 | 397 +++++++++++++-----
 hw/sd/trace-events            |   9 +
 include/exec/memory.h         |  35 +-
 include/hw/sd/sd.h            |  20 +
 include/hw/sd/sdhci.h         |   6 +-
 include/net/can_emu.h         | 123 ++++++
 include/net/can_host.h        |  55 +++
 include/sysemu/hax.h          |   2 +-
 memory.c                      |  70 +---
 net/Makefile.objs             |   2 +
 net/can/Makefile.objs         |   2 +
 net/can/can_core.c            | 138 ++++++
 net/can/can_host.c            | 112 +++++
 net/can/can_socketcan.c       | 286 +++++++++++++
 rules.mak                     |   2 -
 target/i386/hax-all.c         |   2 +
 target/i386/hax-darwin.c      |  27 +-
 target/i386/hax-darwin.h      |   1 +
 target/i386/hax-i386.h        |   1 +
 target/i386/hax-interface.h   |   8 +
 target/i386/hax-mem.c         |  34 +-
 target/i386/hax-windows.c     |  38 +-
 target/i386/hax-windows.h     |   2 +
 tests/Makefile.include        |   4 +
 tests/sdhci-test.c            | 250 +++++++++++
 52 files changed, 3715 insertions(+), 304 deletions(-)
 create mode 100644 docs/can.txt
 create mode 100644 hw/net/can/Makefile.objs
 create mode 100644 hw/net/can/can_kvaser_pci.c
 create mode 100644 hw/net/can/can_mioe3680_pci.c
 create mode 100644 hw/net/can/can_pcm3680_pci.c
 create mode 100644 hw/net/can/can_sja1000.c
 create mode 100644 hw/net/can/can_sja1000.h
 create mode 100644 include/net/can_emu.h
 create mode 100644 include/net/can_host.h
 create mode 100644 net/can/Makefile.objs
 create mode 100644 net/can/can_core.c
 create mode 100644 net/can/can_host.c
 create mode 100644 net/can/can_socketcan.c
 create mode 100644 tests/sdhci-test.c
-- 
1.8.3.1

^ permalink raw reply	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 01/48] Revert "build-sys: silence make by default or V=0"
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 02/48] make: fix help message reference to bogus V=0 variable Paolo Bonzini
                   ` (44 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel

From: "Daniel P. Berrange" <berrange@redhat.com>

This reverts commit 42a77f1ce4934b243df003f95bda88530631387a.

The primary intention of this change was to silence messages
like

  make[1]: '/home/berrange/src/virt/qemu/capstone/libcapstone.a' is up to date.

which we get when calling make recursively with explicit
targets.

The problem is that this change affected every make target,
not merely the targets that triggered these "is up to date"
messages. As a result any targets that were not invoking
commands via "$(call quiet-command ...)" suddenly become
silent. This is particularly bad for "make install" which
now appears todo nothing.

Rather than go through every make rule and try to identify
places where we now need to explicitly print a message to
show work taking place, just revert the change.

To address the original problem of silencing "is up to date"
messages, we simply add --quiet to the SUBDIR_MAKEVARS
variable, so it only affects us on recursive make calls.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <20180123164718.12714-2-berrange@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 Makefile  | 2 +-
 rules.mak | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 4ec7a3c..9b4291b 100644
--- a/Makefile
+++ b/Makefile
@@ -294,7 +294,7 @@ else
 DOCS=
 endif
 
-SUBDIR_MAKEFLAGS=BUILD_DIR=$(BUILD_DIR)
+SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) BUILD_DIR=$(BUILD_DIR)
 SUBDIR_DEVICES_MAK=$(patsubst %, %/config-devices.mak, $(TARGET_DIRS))
 SUBDIR_DEVICES_MAK_DEP=$(patsubst %, %-config-devices.mak.d, $(TARGET_DIRS))
 
diff --git a/rules.mak b/rules.mak
index 5fb4951..6e94333 100644
--- a/rules.mak
+++ b/rules.mak
@@ -131,8 +131,6 @@ modules:
 # If called with only a single argument, will print nothing in quiet mode.
 quiet-command = $(if $(V),$1,$(if $(2),@printf "  %-7s %s\n" $2 $3 && $1, @$1))
 
-MAKEFLAGS += $(if $(V),,--no-print-directory --quiet)
-
 # cc-option
 # Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
 
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 02/48] make: fix help message reference to bogus V=0 variable
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 01/48] Revert "build-sys: silence make by default or V=0" Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 03/48] hax: Support guest RAM sizes of 4GB or more Paolo Bonzini
                   ` (43 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel

From: "Daniel P. Berrange" <berrange@redhat.com>

The make rules for building QEMU are mostly silent by default. They can
be made verbose by setting the variable V=1. The default state does not
however correspond to a V=0 setting - $(V) must be undefined / empty to
get the default quiet build.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <20180123164718.12714-3-berrange@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 9b4291b..b5a6d60 100644
--- a/Makefile
+++ b/Makefile
@@ -958,4 +958,5 @@ ifdef QEMU_GA_MSI_ENABLED
 endif
 	@echo  ''
 endif
-	@echo  '  $(MAKE) V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
+	@echo  '  $(MAKE) [targets]      (quiet build, default)'
+	@echo  '  $(MAKE) V=1 [targets]  (verbose build)'
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 03/48] hax: Support guest RAM sizes of 4GB or more
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 01/48] Revert "build-sys: silence make by default or V=0" Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 02/48] make: fix help message reference to bogus V=0 variable Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 04/48] net/can: simple messages transport implementation for QEMU Paolo Bonzini
                   ` (42 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Yu Ning

From: Yu Ning <yu.ning@intel.com>

Since HAX_VM_IOCTL_ALLOC_RAM takes a 32-bit size, it cannot handle
RAM blocks of 4GB or larger, which is why HAXM can only run guests
with less than 4GB of RAM. Solve this problem by utilizing the new
HAXM API, HAX_VM_IOCTL_ADD_RAMBLOCK, which takes a 64-bit size, to
register RAM blocks with the HAXM kernel module. The new API is
first added in HAXM 7.0.0, and its availablility and be confirmed
by the presence of the HAX_CAP_64BIT_RAMBLOCK capability flag.

When the guest RAM size reaches 7GB, QEMU will ask HAXM to set up a
memory mapping that covers a 4GB region, which will fail, because
HAX_VM_IOCTL_SET_RAM also takes a 32-bit size. Work around this
limitation by splitting the large mapping into small ones and
calling HAX_VM_IOCTL_SET_RAM multiple times.

Bug: https://bugs.launchpad.net/qemu/+bug/1735576

Signed-off-by: Yu Ning <yu.ning@intel.com>
Message-Id: <1515752555-12784-1-git-send-email-yu.ning@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/sysemu/hax.h        |  2 +-
 target/i386/hax-all.c       |  2 ++
 target/i386/hax-darwin.c    | 27 +++++++++++++++++++++------
 target/i386/hax-darwin.h    |  1 +
 target/i386/hax-i386.h      |  1 +
 target/i386/hax-interface.h |  8 ++++++++
 target/i386/hax-mem.c       | 34 ++++++++++++++++++++++++++--------
 target/i386/hax-windows.c   | 38 +++++++++++++++++++++++++++-----------
 target/i386/hax-windows.h   |  2 ++
 9 files changed, 89 insertions(+), 26 deletions(-)

diff --git a/include/sysemu/hax.h b/include/sysemu/hax.h
index f252399..1f6c461 100644
--- a/include/sysemu/hax.h
+++ b/include/sysemu/hax.h
@@ -27,7 +27,7 @@
 int hax_sync_vcpus(void);
 int hax_init_vcpu(CPUState *cpu);
 int hax_smp_cpu_exec(CPUState *cpu);
-int hax_populate_ram(uint64_t va, uint32_t size);
+int hax_populate_ram(uint64_t va, uint64_t size);
 
 void hax_cpu_synchronize_state(CPUState *cpu);
 void hax_cpu_synchronize_post_reset(CPUState *cpu);
diff --git a/target/i386/hax-all.c b/target/i386/hax-all.c
index bc9a12c..cad7531 100644
--- a/target/i386/hax-all.c
+++ b/target/i386/hax-all.c
@@ -103,6 +103,8 @@ static int hax_get_capability(struct hax_state *hax)
         return -ENOTSUP;
     }
 
+    hax->supports_64bit_ramblock = !!(cap->winfo & HAX_CAP_64BIT_RAMBLOCK);
+
     if (cap->wstatus & HAX_CAP_MEMQUOTA) {
         if (cap->mem_quota < hax->mem_quota) {
             fprintf(stderr, "The VM memory needed exceeds the driver limit.\n");
diff --git a/target/i386/hax-darwin.c b/target/i386/hax-darwin.c
index ee94174..acdde47 100644
--- a/target/i386/hax-darwin.c
+++ b/target/i386/hax-darwin.c
@@ -28,21 +28,36 @@ hax_fd hax_mod_open(void)
     return fd;
 }
 
-int hax_populate_ram(uint64_t va, uint32_t size)
+int hax_populate_ram(uint64_t va, uint64_t size)
 {
     int ret;
-    struct hax_alloc_ram_info info;
 
     if (!hax_global.vm || !hax_global.vm->fd) {
         fprintf(stderr, "Allocate memory before vm create?\n");
         return -EINVAL;
     }
 
-    info.size = size;
-    info.va = va;
-    ret = ioctl(hax_global.vm->fd, HAX_VM_IOCTL_ALLOC_RAM, &info);
+    if (hax_global.supports_64bit_ramblock) {
+        struct hax_ramblock_info ramblock = {
+            .start_va = va,
+            .size = size,
+            .reserved = 0
+        };
+
+        ret = ioctl(hax_global.vm->fd, HAX_VM_IOCTL_ADD_RAMBLOCK, &ramblock);
+    } else {
+        struct hax_alloc_ram_info info = {
+            .size = (uint32_t)size,
+            .pad = 0,
+            .va = va
+        };
+
+        ret = ioctl(hax_global.vm->fd, HAX_VM_IOCTL_ALLOC_RAM, &info);
+    }
     if (ret < 0) {
-        fprintf(stderr, "Failed to allocate %x memory\n", size);
+        fprintf(stderr, "Failed to register RAM block: ret=%d, va=0x%" PRIx64
+                ", size=0x%" PRIx64 ", method=%s\n", ret, va, size,
+                hax_global.supports_64bit_ramblock ? "new" : "legacy");
         return ret;
     }
     return 0;
diff --git a/target/i386/hax-darwin.h b/target/i386/hax-darwin.h
index fb8e25a..51af0e8 100644
--- a/target/i386/hax-darwin.h
+++ b/target/i386/hax-darwin.h
@@ -44,6 +44,7 @@ static inline void hax_close_fd(hax_fd fd)
 #define HAX_VM_IOCTL_SET_RAM _IOWR(0, 0x82, struct hax_set_ram_info)
 #define HAX_VM_IOCTL_VCPU_DESTROY _IOW(0, 0x83, uint32_t)
 #define HAX_VM_IOCTL_NOTIFY_QEMU_VERSION _IOW(0, 0x84, struct hax_qemu_version)
+#define HAX_VM_IOCTL_ADD_RAMBLOCK _IOW(0, 0x85, struct hax_ramblock_info)
 
 #define HAX_VCPU_IOCTL_RUN  _IO(0, 0xc0)
 #define HAX_VCPU_IOCTL_SET_MSRS _IOWR(0, 0xc1, struct hax_msr_data)
diff --git a/target/i386/hax-i386.h b/target/i386/hax-i386.h
index 8ffe91f..6abc156 100644
--- a/target/i386/hax-i386.h
+++ b/target/i386/hax-i386.h
@@ -37,6 +37,7 @@ struct hax_state {
     uint32_t version;
     struct hax_vm *vm;
     uint64_t mem_quota;
+    bool supports_64bit_ramblock;
 };
 
 #define HAX_MAX_VCPU 0x10
diff --git a/target/i386/hax-interface.h b/target/i386/hax-interface.h
index d141308..93d5fcb 100644
--- a/target/i386/hax-interface.h
+++ b/target/i386/hax-interface.h
@@ -308,6 +308,13 @@ struct hax_alloc_ram_info {
     uint32_t pad;
     uint64_t va;
 } __attribute__ ((__packed__));
+
+struct hax_ramblock_info {
+    uint64_t start_va;
+    uint64_t size;
+    uint64_t reserved;
+} __attribute__ ((__packed__));
+
 #define HAX_RAM_INFO_ROM     0x01 /* Read-Only */
 #define HAX_RAM_INFO_INVALID 0x80 /* Unmapped, usually used for MMIO */
 struct hax_set_ram_info {
@@ -327,6 +334,7 @@ struct hax_set_ram_info {
 
 #define HAX_CAP_MEMQUOTA           0x2
 #define HAX_CAP_UG                 0x4
+#define HAX_CAP_64BIT_RAMBLOCK     0x8
 
 struct hax_capabilityinfo {
     /* bit 0: 1 - working
diff --git a/target/i386/hax-mem.c b/target/i386/hax-mem.c
index 27a0d21..f46e855 100644
--- a/target/i386/hax-mem.c
+++ b/target/i386/hax-mem.c
@@ -174,6 +174,7 @@ static void hax_process_section(MemoryRegionSection *section, uint8_t flags)
     ram_addr_t size = int128_get64(section->size);
     unsigned int delta;
     uint64_t host_va;
+    uint32_t max_mapping_size;
 
     /* We only care about RAM and ROM regions */
     if (!memory_region_is_ram(mr)) {
@@ -206,10 +207,23 @@ static void hax_process_section(MemoryRegionSection *section, uint8_t flags)
         flags |= HAX_RAM_INFO_ROM;
     }
 
-    /* the kernel module interface uses 32-bit sizes (but we could split...) */
-    g_assert(size <= UINT32_MAX);
-
-    hax_update_mapping(start_pa, size, host_va, flags);
+    /*
+     * The kernel module interface uses 32-bit sizes:
+     * https://github.com/intel/haxm/blob/master/API.md#hax_vm_ioctl_set_ram
+     *
+     * If the mapping size is longer than 32 bits, we can't process it in one
+     * call into the kernel. Instead, we split the mapping into smaller ones,
+     * and call hax_update_mapping() on each.
+     */
+    max_mapping_size = UINT32_MAX & qemu_real_host_page_mask;
+    while (size > max_mapping_size) {
+        hax_update_mapping(start_pa, max_mapping_size, host_va, flags);
+        start_pa += max_mapping_size;
+        size -= max_mapping_size;
+        host_va += max_mapping_size;
+    }
+    /* Now size <= max_mapping_size */
+    hax_update_mapping(start_pa, (uint32_t)size, host_va, flags);
 }
 
 static void hax_region_add(MemoryListener *listener,
@@ -283,12 +297,16 @@ static MemoryListener hax_memory_listener = {
 static void hax_ram_block_added(RAMBlockNotifier *n, void *host, size_t size)
 {
     /*
-     * In HAX, QEMU allocates the virtual address, and HAX kernel
-     * populates the memory with physical memory. Currently we have no
-     * paging, so user should make sure enough free memory in advance.
+     * We must register each RAM block with the HAXM kernel module, or
+     * hax_set_ram() will fail for any mapping into the RAM block:
+     * https://github.com/intel/haxm/blob/master/API.md#hax_vm_ioctl_alloc_ram
+     *
+     * Old versions of the HAXM kernel module (< 6.2.0) used to preallocate all
+     * host physical pages for the RAM block as part of this registration
+     * process, hence the name hax_populate_ram().
      */
     if (hax_populate_ram((uint64_t)(uintptr_t)host, size) < 0) {
-        fprintf(stderr, "HAX failed to populate RAM");
+        fprintf(stderr, "HAX failed to populate RAM\n");
         abort();
     }
 }
diff --git a/target/i386/hax-windows.c b/target/i386/hax-windows.c
index 15a180b..b1ac737 100644
--- a/target/i386/hax-windows.c
+++ b/target/i386/hax-windows.c
@@ -58,10 +58,9 @@ static int hax_open_device(hax_fd *fd)
     return fd;
 }
 
-int hax_populate_ram(uint64_t va, uint32_t size)
+int hax_populate_ram(uint64_t va, uint64_t size)
 {
     int ret;
-    struct hax_alloc_ram_info info;
     HANDLE hDeviceVM;
     DWORD dSize = 0;
 
@@ -70,18 +69,35 @@ int hax_populate_ram(uint64_t va, uint32_t size)
         return -EINVAL;
     }
 
-    info.size = size;
-    info.va = va;
-
     hDeviceVM = hax_global.vm->fd;
-
-    ret = DeviceIoControl(hDeviceVM,
-                          HAX_VM_IOCTL_ALLOC_RAM,
-                          &info, sizeof(info), NULL, 0, &dSize,
-                          (LPOVERLAPPED) NULL);
+    if (hax_global.supports_64bit_ramblock) {
+        struct hax_ramblock_info ramblock = {
+            .start_va = va,
+            .size = size,
+            .reserved = 0
+        };
+
+        ret = DeviceIoControl(hDeviceVM,
+                              HAX_VM_IOCTL_ADD_RAMBLOCK,
+                              &ramblock, sizeof(ramblock), NULL, 0, &dSize,
+                              (LPOVERLAPPED) NULL);
+    } else {
+        struct hax_alloc_ram_info info = {
+            .size = (uint32_t) size,
+            .pad = 0,
+            .va = va
+        };
+
+        ret = DeviceIoControl(hDeviceVM,
+                              HAX_VM_IOCTL_ALLOC_RAM,
+                              &info, sizeof(info), NULL, 0, &dSize,
+                              (LPOVERLAPPED) NULL);
+    }
 
     if (!ret) {
-        fprintf(stderr, "Failed to allocate %x memory\n", size);
+        fprintf(stderr, "Failed to register RAM block: va=0x%" PRIx64
+                ", size=0x%" PRIx64 ", method=%s\n", va, size,
+                hax_global.supports_64bit_ramblock ? "new" : "legacy");
         return ret;
     }
 
diff --git a/target/i386/hax-windows.h b/target/i386/hax-windows.h
index 20e2f85..12cbd81 100644
--- a/target/i386/hax-windows.h
+++ b/target/i386/hax-windows.h
@@ -57,6 +57,8 @@ static inline int hax_invalid_fd(hax_fd fd)
                                             METHOD_BUFFERED, FILE_ANY_ACCESS)
 #define HAX_VM_IOCTL_VCPU_DESTROY  CTL_CODE(HAX_DEVICE_TYPE, 0x905, \
                                             METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define HAX_VM_IOCTL_ADD_RAMBLOCK  CTL_CODE(HAX_DEVICE_TYPE, 0x913, \
+                                            METHOD_BUFFERED, FILE_ANY_ACCESS)
 
 #define HAX_VCPU_IOCTL_RUN      CTL_CODE(HAX_DEVICE_TYPE, 0x906, \
                                          METHOD_BUFFERED, FILE_ANY_ACCESS)
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 04/48] net/can: simple messages transport implementation for QEMU
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (2 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 03/48] hax: Support guest RAM sizes of 4GB or more Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 05/48] net/can: support for connecting to Linux host SocketCAN interface Paolo Bonzini
                   ` (41 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Pavel Pisa

From: Pavel Pisa <pisa@cmp.felk.cvut.cz>

The CanBusState state structure is created for each
emulated CAN channel. Individual clients/emulated
CAN interfaces or host interface connection registers
to the bus by CanBusClientState structure.

The CAN core is prepared to support connection to the
real host CAN bus network. The commit with such support
for Linux SocketCAN follows.

Implementation is as simple as possible.  There is no state to be
migrated, and messages prioritization and queuing are not considered
for now.  But it is intended to be extended when need arises.

Development repository and more documentation at

https://gitlab.fel.cvut.cz/canbus/qemu-canbus

The work is based on Jin Yang GSoC 2013 work funded
by Google and mentored in frame of RTEMS project GSoC
slot donated to QEMU.

Rewritten for QEMU-2.0+ versions and architecture cleanup
by Pavel Pisa (Czech Technical University in Prague).

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 default-configs/pci.mak |   1 +
 hw/Makefile.objs        |   1 +
 include/net/can_emu.h   | 123 ++++++++++++++++++++++++++++++++++++++++++
 include/net/can_host.h  |  55 +++++++++++++++++++
 net/Makefile.objs       |   2 +
 net/can/Makefile.objs   |   1 +
 net/can/can_core.c      | 138 ++++++++++++++++++++++++++++++++++++++++++++++++
 net/can/can_host.c      | 112 +++++++++++++++++++++++++++++++++++++++
 8 files changed, 433 insertions(+)
 create mode 100644 include/net/can_emu.h
 create mode 100644 include/net/can_host.h
 create mode 100644 net/can/Makefile.objs
 create mode 100644 net/can/can_core.c
 create mode 100644 net/can/can_host.c

diff --git a/default-configs/pci.mak b/default-configs/pci.mak
index 49a0f28..b87ae26 100644
--- a/default-configs/pci.mak
+++ b/default-configs/pci.mak
@@ -31,6 +31,7 @@ CONFIG_ESP_PCI=y
 CONFIG_SERIAL=y
 CONFIG_SERIAL_ISA=y
 CONFIG_SERIAL_PCI=y
+CONFIG_CAN_BUS=y
 CONFIG_IPACK=y
 CONFIG_WDT_IB6300ESB=y
 CONFIG_PCI_TESTDEV=y
diff --git a/hw/Makefile.objs b/hw/Makefile.objs
index cf4cb20..9d84b8f 100644
--- a/hw/Makefile.objs
+++ b/hw/Makefile.objs
@@ -6,6 +6,7 @@ devices-dirs-$(CONFIG_SOFTMMU) += block/
 devices-dirs-$(CONFIG_SOFTMMU) += bt/
 devices-dirs-$(CONFIG_SOFTMMU) += char/
 devices-dirs-$(CONFIG_SOFTMMU) += cpu/
+devices-dirs-$(CONFIG_SOFTMMU) += can/
 devices-dirs-$(CONFIG_SOFTMMU) += display/
 devices-dirs-$(CONFIG_SOFTMMU) += dma/
 devices-dirs-$(CONFIG_SOFTMMU) += gpio/
diff --git a/include/net/can_emu.h b/include/net/can_emu.h
new file mode 100644
index 0000000..1da4d01
--- /dev/null
+++ b/include/net/can_emu.h
@@ -0,0 +1,123 @@
+/*
+ * CAN common CAN bus emulation support
+ *
+ * Copyright (c) 2013-2014 Jin Yang
+ * Copyright (c) 2014-2018 Pavel Pisa
+ *
+ * Initial development supported by Google GSoC 2013 from RTEMS project slot
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef NET_CAN_EMU_H
+#define NET_CAN_EMU_H
+
+#include "qom/object.h"
+
+/* NOTE: the following two structures is copied from <linux/can.h>. */
+
+/*
+ * Controller Area Network Identifier structure
+ *
+ * bit 0-28    : CAN identifier (11/29 bit)
+ * bit 29      : error frame flag (0 = data frame, 1 = error frame)
+ * bit 30      : remote transmission request flag (1 = rtr frame)
+ * bit 31      : frame format flag (0 = standard 11 bit, 1 = extended 29 bit)
+ */
+typedef uint32_t qemu_canid_t;
+
+typedef struct qemu_can_frame {
+    qemu_canid_t    can_id;  /* 32 bit CAN_ID + EFF/RTR/ERR flags */
+    uint8_t         can_dlc; /* data length code: 0 .. 8 */
+    uint8_t         data[8] QEMU_ALIGNED(8);
+} qemu_can_frame;
+
+/* Keep defines for QEMU separate from Linux ones for now */
+
+#define QEMU_CAN_EFF_FLAG 0x80000000U /* EFF/SFF is set in the MSB */
+#define QEMU_CAN_RTR_FLAG 0x40000000U /* remote transmission request */
+#define QEMU_CAN_ERR_FLAG 0x20000000U /* error message frame */
+
+#define QEMU_CAN_SFF_MASK 0x000007FFU /* standard frame format (SFF) */
+#define QEMU_CAN_EFF_MASK 0x1FFFFFFFU /* extended frame format (EFF) */
+
+/**
+ * struct qemu_can_filter - CAN ID based filter in can_register().
+ * @can_id:   relevant bits of CAN ID which are not masked out.
+ * @can_mask: CAN mask (see description)
+ *
+ * Description:
+ * A filter matches, when
+ *
+ *          <received_can_id> & mask == can_id & mask
+ *
+ * The filter can be inverted (QEMU_CAN_INV_FILTER bit set in can_id) or it can
+ * filter for error message frames (QEMU_CAN_ERR_FLAG bit set in mask).
+ */
+typedef struct qemu_can_filter {
+    qemu_canid_t    can_id;
+    qemu_canid_t    can_mask;
+} qemu_can_filter;
+
+/* QEMU_CAN_INV_FILTER can be set in qemu_can_filter.can_id */
+#define QEMU_CAN_INV_FILTER 0x20000000U
+
+typedef struct CanBusClientState CanBusClientState;
+typedef struct CanBusState CanBusState;
+
+typedef struct CanBusClientInfo {
+    int (*can_receive)(CanBusClientState *);
+    ssize_t (*receive)(CanBusClientState *,
+        const struct qemu_can_frame *frames, size_t frames_cnt);
+} CanBusClientInfo;
+
+struct CanBusClientState {
+    CanBusClientInfo *info;
+    CanBusState *bus;
+    int link_down;
+    QTAILQ_ENTRY(CanBusClientState) next;
+    CanBusClientState *peer;
+    char *model;
+    char *name;
+    void (*destructor)(CanBusClientState *);
+};
+
+#define TYPE_CAN_BUS "can-bus"
+#define CAN_BUS_CLASS(klass) \
+     OBJECT_CLASS_CHECK(CanBusClass, (klass), TYPE_CAN_BUS)
+#define CAN_BUS_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(CanBusClass, (obj), TYPE_CAN_BUS)
+#define CAN_BUS(obj) \
+     OBJECT_CHECK(CanBusState, (obj), TYPE_CAN_BUS)
+
+int can_bus_filter_match(struct qemu_can_filter *filter, qemu_canid_t can_id);
+
+int can_bus_insert_client(CanBusState *bus, CanBusClientState *client);
+
+int can_bus_remove_client(CanBusClientState *client);
+
+ssize_t can_bus_client_send(CanBusClientState *,
+                            const struct qemu_can_frame *frames,
+                            size_t frames_cnt);
+
+int can_bus_client_set_filters(CanBusClientState *,
+                               const struct qemu_can_filter *filters,
+                               size_t filters_cnt);
+
+#endif
diff --git a/include/net/can_host.h b/include/net/can_host.h
new file mode 100644
index 0000000..d796767
--- /dev/null
+++ b/include/net/can_host.h
@@ -0,0 +1,55 @@
+/*
+ * CAN common CAN bus emulation support
+ *
+ * Copyright (c) 2013-2014 Jin Yang
+ * Copyright (c) 2014-2018 Pavel Pisa
+ *
+ * Initial development supported by Google GSoC 2013 from RTEMS project slot
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef NET_CAN_HOST_H
+#define NET_CAN_HOST_H
+
+#include "net/can_emu.h"
+
+#define TYPE_CAN_HOST "can-host"
+#define CAN_HOST_CLASS(klass) \
+     OBJECT_CLASS_CHECK(CanHostClass, (klass), TYPE_CAN_HOST)
+#define CAN_HOST_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(CanHostClass, (obj), TYPE_CAN_HOST)
+#define CAN_HOST(obj) \
+     OBJECT_CHECK(CanHostState, (obj), TYPE_CAN_HOST)
+
+typedef struct CanHostState {
+    ObjectClass oc;
+
+    CanBusState *bus;
+    CanBusClientState bus_client;
+} CanHostState;
+
+typedef struct CanHostClass {
+    ObjectClass oc;
+
+    void (*connect)(CanHostState *ch, Error **errp);
+    void (*disconnect)(CanHostState *ch);
+} CanHostClass;
+
+#endif
diff --git a/net/Makefile.objs b/net/Makefile.objs
index 64adf32..b2bf88a 100644
--- a/net/Makefile.objs
+++ b/net/Makefile.objs
@@ -23,3 +23,5 @@ common-obj-$(CONFIG_POSIX) += tap.o $(tap-obj-y)
 common-obj-$(CONFIG_WIN32) += tap-win32.o
 
 vde.o-libs = $(VDE_LIBS)
+
+common-obj-$(CONFIG_CAN_BUS) += can/
diff --git a/net/can/Makefile.objs b/net/can/Makefile.objs
new file mode 100644
index 0000000..ef97fdb
--- /dev/null
+++ b/net/can/Makefile.objs
@@ -0,0 +1 @@
+common-obj-y += can_core.o can_host.o
diff --git a/net/can/can_core.c b/net/can/can_core.c
new file mode 100644
index 0000000..2a83cad
--- /dev/null
+++ b/net/can/can_core.c
@@ -0,0 +1,138 @@
+/*
+ * CAN common CAN bus emulation support
+ *
+ * Copyright (c) 2013-2014 Jin Yang
+ * Copyright (c) 2014-2018 Pavel Pisa
+ *
+ * Initial development supported by Google GSoC 2013 from RTEMS project slot
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu/osdep.h"
+#include "chardev/char.h"
+#include "qemu/sockets.h"
+#include "qapi/error.h"
+#include "net/can_emu.h"
+#include "qom/object_interfaces.h"
+
+struct CanBusState {
+    Object object;
+
+    QTAILQ_HEAD(, CanBusClientState) clients;
+};
+
+static void can_bus_instance_init(Object *object)
+{
+    CanBusState *bus = (CanBusState *)object;
+
+    QTAILQ_INIT(&bus->clients);
+}
+
+int can_bus_insert_client(CanBusState *bus, CanBusClientState *client)
+{
+    client->bus = bus;
+    QTAILQ_INSERT_TAIL(&bus->clients, client, next);
+    return 0;
+}
+
+int can_bus_remove_client(CanBusClientState *client)
+{
+    CanBusState *bus = client->bus;
+    if (bus == NULL) {
+        return 0;
+    }
+
+    QTAILQ_REMOVE(&bus->clients, client, next);
+    client->bus = NULL;
+    return 1;
+}
+
+ssize_t can_bus_client_send(CanBusClientState *client,
+             const struct qemu_can_frame *frames, size_t frames_cnt)
+{
+    int ret = 0;
+    CanBusState *bus = client->bus;
+    CanBusClientState *peer;
+    if (bus == NULL) {
+        return -1;
+    }
+
+    QTAILQ_FOREACH(peer, &bus->clients, next) {
+        if (peer->info->can_receive(peer)) {
+            if (peer == client) {
+                /* No loopback support for now */
+                continue;
+            }
+            if (peer->info->receive(peer, frames, frames_cnt) > 0) {
+                ret = 1;
+            }
+        }
+    }
+
+    return ret;
+}
+
+int can_bus_filter_match(struct qemu_can_filter *filter, qemu_canid_t can_id)
+{
+    int m;
+    if (((can_id | filter->can_mask) & QEMU_CAN_ERR_FLAG)) {
+        return (filter->can_mask & QEMU_CAN_ERR_FLAG) != 0;
+    }
+    m = (can_id & filter->can_mask) == (filter->can_id & filter->can_mask);
+    return filter->can_id & QEMU_CAN_INV_FILTER ? !m : m;
+}
+
+int can_bus_client_set_filters(CanBusClientState *client,
+             const struct qemu_can_filter *filters, size_t filters_cnt)
+{
+    return 0;
+}
+
+
+static bool can_bus_can_be_deleted(UserCreatable *uc)
+{
+    return false;
+}
+
+static void can_bus_class_init(ObjectClass *klass,
+                                void *class_data G_GNUC_UNUSED)
+{
+    UserCreatableClass *uc_klass = USER_CREATABLE_CLASS(klass);
+
+    uc_klass->can_be_deleted = can_bus_can_be_deleted;
+}
+
+static const TypeInfo can_bus_info = {
+    .parent = TYPE_OBJECT,
+    .name = TYPE_CAN_BUS,
+    .instance_size = sizeof(CanBusState),
+    .instance_init = can_bus_instance_init,
+    .class_init = can_bus_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_USER_CREATABLE },
+        { }
+    }
+};
+
+static void can_bus_register_types(void)
+{
+    type_register_static(&can_bus_info);
+}
+
+type_init(can_bus_register_types);
diff --git a/net/can/can_host.c b/net/can/can_host.c
new file mode 100644
index 0000000..c3d2652
--- /dev/null
+++ b/net/can/can_host.c
@@ -0,0 +1,112 @@
+/*
+ * CAN generic CAN host connection support
+ *
+ * Copyright (c) 2013-2014 Jin Yang
+ * Copyright (c) 2014-2018 Pavel Pisa
+ *
+ * Initial development supported by Google GSoC 2013 from RTEMS project slot
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu/osdep.h"
+#include "chardev/char.h"
+#include "qemu/sockets.h"
+#include "qapi/error.h"
+#include "qom/object_interfaces.h"
+#include "net/can_emu.h"
+#include "net/can_host.h"
+
+struct CanBusState {
+    Object object;
+
+    QTAILQ_HEAD(, CanBusClientState) clients;
+};
+
+static void can_host_disconnect(CanHostState *ch)
+{
+    CanHostClass *chc = CAN_HOST_GET_CLASS(ch);
+
+    can_bus_remove_client(&ch->bus_client);
+    chc->disconnect(ch);
+}
+
+static void can_host_connect(CanHostState *ch, Error **errp)
+{
+    CanHostClass *chc = CAN_HOST_GET_CLASS(ch);
+    Error *local_err = NULL;
+
+    chc->connect(ch, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
+    }
+
+    can_bus_insert_client(ch->bus, &ch->bus_client);
+}
+
+static void can_host_unparent(Object *obj)
+{
+    can_host_disconnect(CAN_HOST(obj));
+}
+
+static void can_host_complete(UserCreatable *uc, Error **errp)
+{
+    can_host_connect(CAN_HOST(uc), errp);
+}
+
+static void can_host_instance_init(Object *obj)
+{
+    CanHostState *ch = CAN_HOST(obj);
+
+    object_property_add_link(obj, "canbus", TYPE_CAN_BUS,
+                             (Object **)&ch->bus,
+                             object_property_allow_set_link,
+                             OBJ_PROP_LINK_UNREF_ON_RELEASE,
+                             &error_abort);
+}
+
+static void can_host_class_init(ObjectClass *klass,
+                                void *class_data G_GNUC_UNUSED)
+{
+    UserCreatableClass *uc_klass = USER_CREATABLE_CLASS(klass);
+
+    klass->unparent = can_host_unparent;
+    uc_klass->complete = can_host_complete;
+}
+
+static const TypeInfo can_host_info = {
+    .parent = TYPE_OBJECT,
+    .name = TYPE_CAN_HOST,
+    .instance_size = sizeof(CanHostState),
+    .class_size = sizeof(CanHostClass),
+    .abstract = true,
+    .instance_init = can_host_instance_init,
+    .class_init = can_host_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_USER_CREATABLE },
+        { }
+    }
+};
+
+static void can_host_register_types(void)
+{
+    type_register_static(&can_host_info);
+}
+
+type_init(can_host_register_types);
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 05/48] net/can: support for connecting to Linux host SocketCAN interface.
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (3 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 04/48] net/can: simple messages transport implementation for QEMU Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 06/48] hw/net/can: SJA1000 chip register level emulation for QEMU Paolo Bonzini
                   ` (40 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Pavel Pisa

From: Pavel Pisa <pisa@cmp.felk.cvut.cz>

Connection to the real host CAN bus network through
SocketCAN network interface is available only for Linux
host system. Mechanism is generic, support for another
CAN API and operating systems can be implemented in future.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 net/can/Makefile.objs   |   1 +
 net/can/can_socketcan.c | 286 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 287 insertions(+)
 create mode 100644 net/can/can_socketcan.c

diff --git a/net/can/Makefile.objs b/net/can/Makefile.objs
index ef97fdb..9f35dc5 100644
--- a/net/can/Makefile.objs
+++ b/net/can/Makefile.objs
@@ -1 +1,2 @@
 common-obj-y += can_core.o can_host.o
+common-obj-$(CONFIG_LINUX) += can_socketcan.o
diff --git a/net/can/can_socketcan.c b/net/can/can_socketcan.c
new file mode 100644
index 0000000..39865e2
--- /dev/null
+++ b/net/can/can_socketcan.c
@@ -0,0 +1,286 @@
+/*
+ * CAN c support to connect to the Linux host SocketCAN interfaces
+ *
+ * Copyright (c) 2013-2014 Jin Yang
+ * Copyright (c) 2014-2018 Pavel Pisa
+ *
+ * Initial development supported by Google GSoC 2013 from RTEMS project slot
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "qapi/error.h"
+#include "chardev/char.h"
+#include "qemu/sockets.h"
+#include "qemu/error-report.h"
+#include "net/can_emu.h"
+#include "net/can_host.h"
+
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <linux/can.h>
+#include <linux/can/raw.h>
+
+#ifndef DEBUG_CAN
+#define DEBUG_CAN 0
+#endif /*DEBUG_CAN*/
+
+#define TYPE_CAN_HOST_SOCKETCAN "can-host-socketcan"
+#define CAN_HOST_SOCKETCAN(obj) \
+     OBJECT_CHECK(CanHostSocketCAN, (obj), TYPE_CAN_HOST_SOCKETCAN)
+
+#define CAN_READ_BUF_LEN  5
+typedef struct CanHostSocketCAN {
+    CanHostState       parent;
+    char               *ifname;
+
+    qemu_can_filter    *rfilter;
+    int                rfilter_num;
+    can_err_mask_t     err_mask;
+
+    qemu_can_frame     buf[CAN_READ_BUF_LEN];
+    int                bufcnt;
+    int                bufptr;
+
+    int                fd;
+} CanHostSocketCAN;
+
+/* Check that QEMU and Linux kernel flags encoding and structure matches */
+QEMU_BUILD_BUG_ON(QEMU_CAN_EFF_FLAG != CAN_EFF_FLAG);
+QEMU_BUILD_BUG_ON(QEMU_CAN_RTR_FLAG != CAN_RTR_FLAG);
+QEMU_BUILD_BUG_ON(QEMU_CAN_ERR_FLAG != CAN_ERR_FLAG);
+QEMU_BUILD_BUG_ON(QEMU_CAN_INV_FILTER != CAN_INV_FILTER);
+QEMU_BUILD_BUG_ON(offsetof(qemu_can_frame, data)
+                  != offsetof(struct can_frame, data));
+
+static void can_host_socketcan_display_msg(struct qemu_can_frame *msg)
+{
+    int i;
+
+    qemu_log_lock();
+    qemu_log("[cansocketcan]: %03X [%01d] %s %s",
+             msg->can_id & QEMU_CAN_EFF_MASK,
+             msg->can_dlc,
+             msg->can_id & QEMU_CAN_EFF_FLAG ? "EFF" : "SFF",
+             msg->can_id & QEMU_CAN_RTR_FLAG ? "RTR" : "DAT");
+
+    for (i = 0; i < msg->can_dlc; i++) {
+        qemu_log(" %02X", msg->data[i]);
+    }
+    qemu_log("\n");
+    qemu_log_flush();
+    qemu_log_unlock();
+}
+
+static void can_host_socketcan_read(void *opaque)
+{
+    CanHostSocketCAN *c = opaque;
+    CanHostState *ch = CAN_HOST(c);
+
+    /* CAN_READ_BUF_LEN for multiple messages syscall is possible for future */
+    c->bufcnt = read(c->fd, c->buf, sizeof(qemu_can_frame));
+    if (c->bufcnt < 0) {
+        warn_report("CAN bus host read failed (%s)", strerror(errno));
+        return;
+    }
+
+    can_bus_client_send(&ch->bus_client, c->buf, 1);
+
+    if (DEBUG_CAN) {
+        can_host_socketcan_display_msg(c->buf);
+    }
+}
+
+static int can_host_socketcan_can_receive(CanBusClientState *client)
+{
+    return 1;
+}
+
+static ssize_t can_host_socketcan_receive(CanBusClientState *client,
+                            const qemu_can_frame *frames, size_t frames_cnt)
+{
+    CanHostState *ch = container_of(client, CanHostState, bus_client);
+    CanHostSocketCAN *c = CAN_HOST_SOCKETCAN(ch);
+
+    size_t len = sizeof(qemu_can_frame);
+    int res;
+
+    if (c->fd < 0) {
+        return -1;
+    }
+
+    res = write(c->fd, frames, len);
+
+    if (!res) {
+        warn_report("[cansocketcan]: write message to host returns zero");
+        return -1;
+    }
+
+    if (res != len) {
+        if (res < 0) {
+            warn_report("[cansocketcan]: write to host failed (%s)",
+                        strerror(errno));
+        } else {
+            warn_report("[cansocketcan]: write to host truncated");
+        }
+        return -1;
+    }
+
+    return 1;
+}
+
+static void can_host_socketcan_disconnect(CanHostState *ch)
+{
+    CanHostSocketCAN *c = CAN_HOST_SOCKETCAN(ch);
+
+    if (c->fd >= 0) {
+        qemu_set_fd_handler(c->fd, NULL, NULL, c);
+        close(c->fd);
+        c->fd = -1;
+    }
+
+    g_free(c->rfilter);
+    c->rfilter = NULL;
+    c->rfilter_num = 0;
+}
+
+static CanBusClientInfo can_host_socketcan_bus_client_info = {
+    .can_receive = can_host_socketcan_can_receive,
+    .receive = can_host_socketcan_receive,
+};
+
+static void can_host_socketcan_connect(CanHostState *ch, Error **errp)
+{
+    CanHostSocketCAN *c = CAN_HOST_SOCKETCAN(ch);
+    int s; /* can raw socket */
+    struct sockaddr_can addr;
+    struct ifreq ifr;
+
+    /* open socket */
+    s = qemu_socket(PF_CAN, SOCK_RAW, CAN_RAW);
+    if (s < 0) {
+        error_setg_errno(errp, errno, "failed to create CAN_RAW socket");
+        return;
+    }
+
+    addr.can_family = AF_CAN;
+    memset(&ifr.ifr_name, 0, sizeof(ifr.ifr_name));
+    strcpy(ifr.ifr_name, c->ifname);
+    if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) {
+        error_setg_errno(errp, errno,
+                         "SocketCAN host interface %s not available", c->ifname);
+        goto fail;
+    }
+    addr.can_ifindex = ifr.ifr_ifindex;
+
+    c->err_mask = 0xffffffff; /* Receive error frame. */
+    setsockopt(s, SOL_CAN_RAW, CAN_RAW_ERR_FILTER,
+                   &c->err_mask, sizeof(c->err_mask));
+
+    c->rfilter_num = 1;
+    c->rfilter = g_new(struct qemu_can_filter, c->rfilter_num);
+
+    /* Receive all data frame. If |= CAN_INV_FILTER no data. */
+    c->rfilter[0].can_id = 0;
+    c->rfilter[0].can_mask = 0;
+    c->rfilter[0].can_mask &= ~CAN_ERR_FLAG;
+
+    setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, c->rfilter,
+               c->rfilter_num * sizeof(struct qemu_can_filter));
+
+    if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+        error_setg_errno(errp, errno, "failed to bind to host interface %s",
+                         c->ifname);
+        goto fail;
+    }
+
+    c->fd = s;
+    ch->bus_client.info = &can_host_socketcan_bus_client_info;
+    qemu_set_fd_handler(c->fd, can_host_socketcan_read, NULL, c);
+    return;
+
+fail:
+    close(s);
+    g_free(c->rfilter);
+    c->rfilter = NULL;
+    c->rfilter_num = 0;
+}
+
+static char *can_host_socketcan_get_if(Object *obj, Error **errp)
+{
+    CanHostSocketCAN *c = CAN_HOST_SOCKETCAN(obj);
+
+    return g_strdup(c->ifname);
+}
+
+static void can_host_socketcan_set_if(Object *obj, const char *value, Error **errp)
+{
+    CanHostSocketCAN *c = CAN_HOST_SOCKETCAN(obj);
+    struct ifreq ifr;
+
+    if (strlen(value) >= sizeof(ifr.ifr_name)) {
+        error_setg(errp, "CAN interface name longer than %zd characters",
+                   sizeof(ifr.ifr_name) - 1);
+        return;
+    }
+
+    if (c->fd != -1) {
+        error_setg(errp, "CAN interface already connected");
+        return;
+    }
+
+    g_free(c->ifname);
+    c->ifname = g_strdup(value);
+}
+
+static void can_host_socketcan_instance_init(Object *obj)
+{
+    CanHostSocketCAN *c = CAN_HOST_SOCKETCAN(obj);
+
+    c->fd = -1;
+}
+
+static void can_host_socketcan_class_init(ObjectClass *klass,
+                                          void *class_data G_GNUC_UNUSED)
+{
+    CanHostClass *chc = CAN_HOST_CLASS(klass);
+
+    object_class_property_add_str(klass, "if",
+                                  can_host_socketcan_get_if,
+                                  can_host_socketcan_set_if,
+                                  &error_abort);
+    chc->connect = can_host_socketcan_connect;
+    chc->disconnect = can_host_socketcan_disconnect;
+}
+
+static const TypeInfo can_host_socketcan_info = {
+    .parent = TYPE_CAN_HOST,
+    .name = TYPE_CAN_HOST_SOCKETCAN,
+    .instance_size = sizeof(CanHostSocketCAN),
+    .instance_init = can_host_socketcan_instance_init,
+    .class_init = can_host_socketcan_class_init,
+};
+
+static void can_host_register_types(void)
+{
+    type_register_static(&can_host_socketcan_info);
+}
+
+type_init(can_host_register_types);
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 06/48] hw/net/can: SJA1000 chip register level emulation for QEMU
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (4 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 05/48] net/can: support for connecting to Linux host SocketCAN interface Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 07/48] hw/net/can: Kvaser PCI CAN-S (single SJA1000 channel) emulation Paolo Bonzini
                   ` (39 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Pavel Pisa

From: Pavel Pisa <pisa@cmp.felk.cvut.cz>

The core SJA1000 support is independent of following
patches which map SJA1000 chip to PCI boards.

The work is based on Jin Yang GSoC 2013 work funded
by Google and mentored in frame of RTEMS project GSoC
slot donated to QEMU.

Rewritten for QEMU-2.0+ versions and architecture cleanup
by Pavel Pisa (Czech Technical University in Prague).

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 default-configs/pci.mak  |   1 +
 hw/Makefile.objs         |   1 -
 hw/net/Makefile.objs     |   2 +
 hw/net/can/Makefile.objs |   1 +
 hw/net/can/can_sja1000.c | 949 +++++++++++++++++++++++++++++++++++++++++++++++
 hw/net/can/can_sja1000.h | 146 ++++++++
 6 files changed, 1099 insertions(+), 1 deletion(-)
 create mode 100644 hw/net/can/Makefile.objs
 create mode 100644 hw/net/can/can_sja1000.c
 create mode 100644 hw/net/can/can_sja1000.h

diff --git a/default-configs/pci.mak b/default-configs/pci.mak
index b87ae26..23f91d0 100644
--- a/default-configs/pci.mak
+++ b/default-configs/pci.mak
@@ -32,6 +32,7 @@ CONFIG_SERIAL=y
 CONFIG_SERIAL_ISA=y
 CONFIG_SERIAL_PCI=y
 CONFIG_CAN_BUS=y
+CONFIG_CAN_SJA1000=y
 CONFIG_IPACK=y
 CONFIG_WDT_IB6300ESB=y
 CONFIG_PCI_TESTDEV=y
diff --git a/hw/Makefile.objs b/hw/Makefile.objs
index 9d84b8f..cf4cb20 100644
--- a/hw/Makefile.objs
+++ b/hw/Makefile.objs
@@ -6,7 +6,6 @@ devices-dirs-$(CONFIG_SOFTMMU) += block/
 devices-dirs-$(CONFIG_SOFTMMU) += bt/
 devices-dirs-$(CONFIG_SOFTMMU) += char/
 devices-dirs-$(CONFIG_SOFTMMU) += cpu/
-devices-dirs-$(CONFIG_SOFTMMU) += can/
 devices-dirs-$(CONFIG_SOFTMMU) += display/
 devices-dirs-$(CONFIG_SOFTMMU) += dma/
 devices-dirs-$(CONFIG_SOFTMMU) += gpio/
diff --git a/hw/net/Makefile.objs b/hw/net/Makefile.objs
index 4171af0..ab22968 100644
--- a/hw/net/Makefile.objs
+++ b/hw/net/Makefile.objs
@@ -46,3 +46,5 @@ common-obj-$(CONFIG_ROCKER) += rocker/rocker.o rocker/rocker_fp.o \
                                rocker/rocker_desc.o rocker/rocker_world.o \
                                rocker/rocker_of_dpa.o
 obj-$(call lnot,$(CONFIG_ROCKER)) += rocker/qmp-norocker.o
+
+common-obj-$(CONFIG_CAN_BUS) += can/
diff --git a/hw/net/can/Makefile.objs b/hw/net/can/Makefile.objs
new file mode 100644
index 0000000..c299f83
--- /dev/null
+++ b/hw/net/can/Makefile.objs
@@ -0,0 +1 @@
+common-obj-$(CONFIG_CAN_SJA1000) += can_sja1000.o
diff --git a/hw/net/can/can_sja1000.c b/hw/net/can/can_sja1000.c
new file mode 100644
index 0000000..503fbcf
--- /dev/null
+++ b/hw/net/can/can_sja1000.c
@@ -0,0 +1,949 @@
+/*
+ * CAN device - SJA1000 chip emulation for QEMU
+ *
+ * Copyright (c) 2013-2014 Jin Yang
+ * Copyright (c) 2014-2018 Pavel Pisa
+ *
+ * Initial development supported by Google GSoC 2013 from RTEMS project slot
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "chardev/char.h"
+#include "hw/hw.h"
+#include "net/can_emu.h"
+
+#include "can_sja1000.h"
+
+#ifndef DEBUG_FILTER
+#define DEBUG_FILTER 0
+#endif /*DEBUG_FILTER*/
+
+#ifndef DEBUG_CAN
+#define DEBUG_CAN 0
+#endif /*DEBUG_CAN*/
+
+#define DPRINTF(fmt, ...) \
+    do { \
+        if (DEBUG_CAN) { \
+            qemu_log("[cansja]: " fmt , ## __VA_ARGS__); \
+        } \
+    } while (0)
+
+static void can_sja_software_reset(CanSJA1000State *s)
+{
+    s->mode        &= ~0x31;
+    s->mode        |= 0x01;
+    s->status_pel  &= ~0x37;
+    s->status_pel  |= 0x34;
+
+    s->rxbuf_start = 0x00;
+    s->rxmsg_cnt   = 0x00;
+    s->rx_cnt      = 0x00;
+}
+
+void can_sja_hardware_reset(CanSJA1000State *s)
+{
+    /* Reset by hardware, p10 */
+    s->mode        = 0x01;
+    s->status_pel  = 0x3c;
+    s->interrupt_pel = 0x00;
+    s->clock       = 0x00;
+    s->rxbuf_start = 0x00;
+    s->rxmsg_cnt   = 0x00;
+    s->rx_cnt      = 0x00;
+
+    s->control     = 0x01;
+    s->status_bas  = 0x0c;
+    s->interrupt_bas = 0x00;
+
+    qemu_irq_lower(s->irq);
+}
+
+static
+void can_sja_single_filter(struct qemu_can_filter *filter,
+            const uint8_t *acr,  const uint8_t *amr, int extended)
+{
+    if (extended) {
+        filter->can_id = (uint32_t)acr[0] << 21;
+        filter->can_id |= (uint32_t)acr[1] << 13;
+        filter->can_id |= (uint32_t)acr[2] << 5;
+        filter->can_id |= (uint32_t)acr[3] >> 3;
+        if (acr[3] & 4) {
+            filter->can_id |= QEMU_CAN_RTR_FLAG;
+        }
+
+        filter->can_mask = (uint32_t)amr[0] << 21;
+        filter->can_mask |= (uint32_t)amr[1] << 13;
+        filter->can_mask |= (uint32_t)amr[2] << 5;
+        filter->can_mask |= (uint32_t)amr[3] >> 3;
+        filter->can_mask = ~filter->can_mask & QEMU_CAN_EFF_MASK;
+        if (!(amr[3] & 4)) {
+            filter->can_mask |= QEMU_CAN_RTR_FLAG;
+        }
+    } else {
+        filter->can_id = (uint32_t)acr[0] << 3;
+        filter->can_id |= (uint32_t)acr[1] >> 5;
+        if (acr[1] & 0x10) {
+            filter->can_id |= QEMU_CAN_RTR_FLAG;
+        }
+
+        filter->can_mask = (uint32_t)amr[0] << 3;
+        filter->can_mask |= (uint32_t)amr[1] << 5;
+        filter->can_mask = ~filter->can_mask & QEMU_CAN_SFF_MASK;
+        if (!(amr[1] & 0x10)) {
+            filter->can_mask |= QEMU_CAN_RTR_FLAG;
+        }
+    }
+}
+
+static
+void can_sja_dual_filter(struct qemu_can_filter *filter,
+            const uint8_t *acr,  const uint8_t *amr, int extended)
+{
+    if (extended) {
+        filter->can_id = (uint32_t)acr[0] << 21;
+        filter->can_id |= (uint32_t)acr[1] << 13;
+
+        filter->can_mask = (uint32_t)amr[0] << 21;
+        filter->can_mask |= (uint32_t)amr[1] << 13;
+        filter->can_mask = ~filter->can_mask & QEMU_CAN_EFF_MASK & ~0x1fff;
+    } else {
+        filter->can_id = (uint32_t)acr[0] << 3;
+        filter->can_id |= (uint32_t)acr[1] >> 5;
+        if (acr[1] & 0x10) {
+            filter->can_id |= QEMU_CAN_RTR_FLAG;
+        }
+
+        filter->can_mask = (uint32_t)amr[0] << 3;
+        filter->can_mask |= (uint32_t)amr[1] >> 5;
+        filter->can_mask = ~filter->can_mask & QEMU_CAN_SFF_MASK;
+        if (!(amr[1] & 0x10)) {
+            filter->can_mask |= QEMU_CAN_RTR_FLAG;
+        }
+    }
+}
+
+/* Details in DS-p22, what we need to do here is to test the data. */
+static
+int can_sja_accept_filter(CanSJA1000State *s,
+                                 const qemu_can_frame *frame)
+{
+
+    struct qemu_can_filter filter;
+
+    if (s->clock & 0x80) { /* PeliCAN Mode */
+        if (s->mode & (1 << 3)) { /* Single mode. */
+            if (frame->can_id & QEMU_CAN_EFF_FLAG) { /* EFF */
+                can_sja_single_filter(&filter,
+                    s->code_mask + 0, s->code_mask + 4, 1);
+
+                if (!can_bus_filter_match(&filter, frame->can_id)) {
+                    return 0;
+                }
+            } else { /* SFF */
+                can_sja_single_filter(&filter,
+                    s->code_mask + 0, s->code_mask + 4, 0);
+
+                if (!can_bus_filter_match(&filter, frame->can_id)) {
+                    return 0;
+                }
+
+                if (frame->can_id & QEMU_CAN_RTR_FLAG) { /* RTR */
+                    return 1;
+                }
+
+                if (frame->can_dlc == 0) {
+                    return 1;
+                }
+
+                if ((frame->data[0] & ~(s->code_mask[6])) !=
+                   (s->code_mask[2] & ~(s->code_mask[6]))) {
+                    return 0;
+                }
+
+                if (frame->can_dlc < 2) {
+                    return 1;
+                }
+
+                if ((frame->data[1] & ~(s->code_mask[7])) ==
+                    (s->code_mask[3] & ~(s->code_mask[7]))) {
+                    return 1;
+                }
+
+                return 0;
+            }
+        } else { /* Dual mode */
+            if (frame->can_id & QEMU_CAN_EFF_FLAG) { /* EFF */
+                can_sja_dual_filter(&filter,
+                    s->code_mask + 0, s->code_mask + 4, 1);
+
+                if (can_bus_filter_match(&filter, frame->can_id)) {
+                    return 1;
+                }
+
+                can_sja_dual_filter(&filter,
+                    s->code_mask + 2, s->code_mask + 6, 1);
+
+                if (can_bus_filter_match(&filter, frame->can_id)) {
+                    return 1;
+                }
+
+                return 0;
+            } else {
+                can_sja_dual_filter(&filter,
+                    s->code_mask + 0, s->code_mask + 4, 0);
+
+                if (can_bus_filter_match(&filter, frame->can_id)) {
+                    uint8_t expect;
+                    uint8_t mask;
+                    expect = s->code_mask[1] << 4;
+                    expect |= s->code_mask[3] & 0x0f;
+
+                    mask = s->code_mask[5] << 4;
+                    mask |= s->code_mask[7] & 0x0f;
+                        mask = ~mask & 0xff;
+
+                    if ((frame->data[0] & mask) ==
+                        (expect & mask)) {
+                        return 1;
+                    }
+                }
+
+                can_sja_dual_filter(&filter,
+                    s->code_mask + 2, s->code_mask + 6, 0);
+
+                if (can_bus_filter_match(&filter, frame->can_id)) {
+                    return 1;
+                }
+
+                return 0;
+            }
+        }
+    }
+
+    return 1;
+}
+
+static void can_display_msg(const char *prefix, const qemu_can_frame *msg)
+{
+    int i;
+
+    qemu_log_lock();
+    qemu_log("%s%03X [%01d] %s %s",
+             prefix,
+             msg->can_id & QEMU_CAN_EFF_MASK,
+             msg->can_dlc,
+             msg->can_id & QEMU_CAN_EFF_FLAG ? "EFF" : "SFF",
+             msg->can_id & QEMU_CAN_RTR_FLAG ? "RTR" : "DAT");
+
+    for (i = 0; i < msg->can_dlc; i++) {
+        qemu_log(" %02X", msg->data[i]);
+    }
+    qemu_log("\n");
+    qemu_log_flush();
+    qemu_log_unlock();
+}
+
+static void buff2frame_pel(const uint8_t *buff, qemu_can_frame *frame)
+{
+    uint8_t i;
+
+    frame->can_id = 0;
+    if (buff[0] & 0x40) { /* RTR */
+        frame->can_id = QEMU_CAN_RTR_FLAG;
+    }
+    frame->can_dlc = buff[0] & 0x0f;
+
+    if (buff[0] & 0x80) { /* Extended */
+        frame->can_id |= QEMU_CAN_EFF_FLAG;
+        frame->can_id |= buff[1] << 21; /* ID.28~ID.21 */
+        frame->can_id |= buff[2] << 13; /* ID.20~ID.13 */
+        frame->can_id |= buff[3] <<  5;
+        frame->can_id |= buff[4] >>  3;
+        for (i = 0; i < frame->can_dlc; i++) {
+            frame->data[i] = buff[5 + i];
+        }
+        for (; i < 8; i++) {
+            frame->data[i] = 0;
+        }
+    } else {
+        frame->can_id |= buff[1] <<  3;
+        frame->can_id |= buff[2] >>  5;
+        for (i = 0; i < frame->can_dlc; i++) {
+            frame->data[i] = buff[3 + i];
+        }
+        for (; i < 8; i++) {
+            frame->data[i] = 0;
+        }
+    }
+}
+
+
+static void buff2frame_bas(const uint8_t *buff, qemu_can_frame *frame)
+{
+    uint8_t i;
+
+    frame->can_id = ((buff[0] << 3) & (0xff << 3)) + ((buff[1] >> 5) & 0x07);
+    if (buff[1] & 0x10) { /* RTR */
+        frame->can_id = QEMU_CAN_RTR_FLAG;
+    }
+    frame->can_dlc = buff[1] & 0x0f;
+
+    for (i = 0; i < frame->can_dlc; i++) {
+        frame->data[i] = buff[2 + i];
+    }
+    for (; i < 8; i++) {
+        frame->data[i] = 0;
+    }
+}
+
+
+static int frame2buff_pel(const qemu_can_frame *frame, uint8_t *buff)
+{
+    int i;
+
+    if (frame->can_id & QEMU_CAN_ERR_FLAG) { /* error frame, NOT support now. */
+        return -1;
+    }
+
+    buff[0] = 0x0f & frame->can_dlc; /* DLC */
+    if (frame->can_id & QEMU_CAN_RTR_FLAG) { /* RTR */
+        buff[0] |= (1 << 6);
+    }
+    if (frame->can_id & QEMU_CAN_EFF_FLAG) { /* EFF */
+        buff[0] |= (1 << 7);
+        buff[1] = extract32(frame->can_id, 21, 8); /* ID.28~ID.21 */
+        buff[2] = extract32(frame->can_id, 13, 8); /* ID.20~ID.13 */
+        buff[3] = extract32(frame->can_id, 5, 8);  /* ID.12~ID.05 */
+        buff[4] = extract32(frame->can_id, 0, 5) << 3; /* ID.04~ID.00,xxx */
+        for (i = 0; i < frame->can_dlc; i++) {
+            buff[5 + i] = frame->data[i];
+        }
+        return frame->can_dlc + 5;
+    } else { /* SFF */
+        buff[1] = extract32(frame->can_id, 3, 8); /* ID.10~ID.03 */
+        buff[2] = extract32(frame->can_id, 0, 3) << 5; /* ID.02~ID.00,xxxxx */
+        for (i = 0; i < frame->can_dlc; i++) {
+            buff[3 + i] = frame->data[i];
+        }
+
+        return frame->can_dlc + 3;
+    }
+
+    return -1;
+}
+
+static int frame2buff_bas(const qemu_can_frame *frame, uint8_t *buff)
+{
+    int i;
+
+     /*
+      * EFF, no support for BasicMode
+      * No use for Error frames now,
+      * they could be used in future to update SJA1000 error state
+      */
+    if ((frame->can_id & QEMU_CAN_EFF_FLAG) ||
+       (frame->can_id & QEMU_CAN_ERR_FLAG)) {
+        return -1;
+    }
+
+    buff[0] = extract32(frame->can_id, 3, 8); /* ID.10~ID.03 */
+    buff[1] = extract32(frame->can_id, 0, 3) << 5; /* ID.02~ID.00,xxxxx */
+    if (frame->can_id & QEMU_CAN_RTR_FLAG) { /* RTR */
+        buff[1] |= (1 << 4);
+    }
+    buff[1] |= frame->can_dlc & 0x0f;
+    for (i = 0; i < frame->can_dlc; i++) {
+        buff[2 + i] = frame->data[i];
+    }
+
+    return frame->can_dlc + 2;
+}
+
+void can_sja_mem_write(CanSJA1000State *s, hwaddr addr, uint64_t val,
+                       unsigned size)
+{
+    qemu_can_frame   frame;
+    uint32_t         tmp;
+    uint8_t          tmp8, count;
+
+
+    DPRINTF("write 0x%02llx addr 0x%02x\n",
+            (unsigned long long)val, (unsigned int)addr);
+
+    if (addr > CAN_SJA_MEM_SIZE) {
+        return ;
+    }
+
+    if (s->clock & 0x80) { /* PeliCAN Mode */
+        switch (addr) {
+        case SJA_MOD: /* Mode register */
+            s->mode = 0x1f & val;
+            if ((s->mode & 0x01) && ((val & 0x01) == 0)) {
+                /* Go to operation mode from reset mode. */
+                if (s->mode & (1 << 3)) { /* Single mode. */
+                    /* For EFF */
+                    can_sja_single_filter(&s->filter[0],
+                        s->code_mask + 0, s->code_mask + 4, 1);
+
+                    /* For SFF */
+                    can_sja_single_filter(&s->filter[1],
+                        s->code_mask + 0, s->code_mask + 4, 0);
+
+                    can_bus_client_set_filters(&s->bus_client, s->filter, 2);
+                } else { /* Dual mode */
+                    /* For EFF */
+                    can_sja_dual_filter(&s->filter[0],
+                        s->code_mask + 0, s->code_mask + 4, 1);
+
+                    can_sja_dual_filter(&s->filter[1],
+                        s->code_mask + 2, s->code_mask + 6, 1);
+
+                    /* For SFF */
+                    can_sja_dual_filter(&s->filter[2],
+                        s->code_mask + 0, s->code_mask + 4, 0);
+
+                    can_sja_dual_filter(&s->filter[3],
+                        s->code_mask + 2, s->code_mask + 6, 0);
+
+                    can_bus_client_set_filters(&s->bus_client, s->filter, 4);
+                }
+
+                s->rxmsg_cnt = 0;
+                s->rx_cnt = 0;
+            }
+            break;
+
+        case SJA_CMR: /* Command register. */
+            if (0x01 & val) { /* Send transmission request. */
+                buff2frame_pel(s->tx_buff, &frame);
+                if (DEBUG_FILTER) {
+                    can_display_msg("[cansja]: Tx request " , &frame);
+                }
+
+                /*
+                 * Clear transmission complete status,
+                 * and Transmit Buffer Status.
+                 * write to the backends.
+                 */
+                s->status_pel &= ~(3 << 2);
+
+                can_bus_client_send(&s->bus_client, &frame, 1);
+
+                /*
+                 * Set transmission complete status
+                 * and Transmit Buffer Status.
+                 */
+                s->status_pel |= (3 << 2);
+
+                /* Clear transmit status. */
+                s->status_pel &= ~(1 << 5);
+                s->interrupt_pel |= 0x02;
+                if (s->interrupt_en & 0x02) {
+                    qemu_irq_raise(s->irq);
+                }
+            }
+            if (0x04 & val) { /* Release Receive Buffer */
+                if (s->rxmsg_cnt <= 0) {
+                    break;
+                }
+
+                tmp8 = s->rx_buff[s->rxbuf_start]; count = 0;
+                if (tmp8 & (1 << 7)) { /* EFF */
+                    count += 2;
+                }
+                count += 3;
+                if (!(tmp8 & (1 << 6))) { /* DATA */
+                    count += (tmp8 & 0x0f);
+                }
+
+                if (DEBUG_FILTER) {
+                    qemu_log("[cansja]: message released from "
+                             "Rx FIFO cnt=%d, count=%d\n", s->rx_cnt, count);
+                }
+
+                s->rxbuf_start += count;
+                s->rxbuf_start %= SJA_RCV_BUF_LEN;
+
+                s->rx_cnt -= count;
+                s->rxmsg_cnt--;
+                if (s->rxmsg_cnt == 0) {
+                    s->status_pel &= ~(1 << 0);
+                    s->interrupt_pel &= ~(1 << 0);
+                }
+                if ((s->interrupt_en & 0x01) && (s->interrupt_pel == 0)) {
+                    /* no other interrupts. */
+                    qemu_irq_lower(s->irq);
+                }
+            }
+            if (0x08 & val) { /* Clear data overrun */
+                s->status_pel &= ~(1 << 1);
+                s->interrupt_pel &= ~(1 << 3);
+                if ((s->interrupt_en & 0x80) && (s->interrupt_pel == 0)) {
+                    /* no other interrupts. */
+                    qemu_irq_lower(s->irq);
+                }
+            }
+            break;
+        case SJA_SR: /* Status register */
+        case SJA_IR: /* Interrupt register */
+            break; /* Do nothing */
+        case SJA_IER: /* Interrupt enable register */
+            s->interrupt_en = val;
+            break;
+        case 16: /* RX frame information addr16-28. */
+            s->status_pel |= (1 << 5); /* Set transmit status. */
+        case 17 ... 28:
+            if (s->mode & 0x01) { /* Reset mode */
+                if (addr < 24) {
+                    s->code_mask[addr - 16] = val;
+                }
+            } else { /* Operation mode */
+                s->tx_buff[addr - 16] = val; /* Store to TX buffer directly. */
+            }
+            break;
+        case SJA_CDR:
+            s->clock = val;
+            break;
+        }
+    } else { /* Basic Mode */
+        switch (addr) {
+        case SJA_BCAN_CTR: /* Control register, addr 0 */
+            if ((s->control & 0x01) && ((val & 0x01) == 0)) {
+                /* Go to operation mode from reset mode. */
+                s->filter[0].can_id = (s->code << 3) & (0xff << 3);
+                tmp = (~(s->mask << 3)) & (0xff << 3);
+                tmp |= QEMU_CAN_EFF_FLAG; /* Only Basic CAN Frame. */
+                s->filter[0].can_mask = tmp;
+                can_bus_client_set_filters(&s->bus_client, s->filter, 1);
+
+                s->rxmsg_cnt = 0;
+                s->rx_cnt = 0;
+            } else if (!(s->control & 0x01) && !(val & 0x01)) {
+                can_sja_software_reset(s);
+            }
+
+            s->control = 0x1f & val;
+            break;
+        case SJA_BCAN_CMR: /* Command register, addr 1 */
+            if (0x01 & val) { /* Send transmission request. */
+                buff2frame_bas(s->tx_buff, &frame);
+                if (DEBUG_FILTER) {
+                    can_display_msg("[cansja]: Tx request " , &frame);
+                }
+
+                /*
+                 * Clear transmission complete status,
+                 * and Transmit Buffer Status.
+                 */
+                s->status_bas &= ~(3 << 2);
+
+                /* write to the backends. */
+                can_bus_client_send(&s->bus_client, &frame, 1);
+
+                /*
+                 * Set transmission complete status,
+                 * and Transmit Buffer Status.
+                 */
+                s->status_bas |= (3 << 2);
+
+                /* Clear transmit status. */
+                s->status_bas &= ~(1 << 5);
+                s->interrupt_bas |= 0x02;
+                if (s->control & 0x04) {
+                    qemu_irq_raise(s->irq);
+                }
+            }
+            if (0x04 & val) { /* Release Receive Buffer */
+                if (s->rxmsg_cnt <= 0) {
+                    break;
+                }
+
+                tmp8 = s->rx_buff[(s->rxbuf_start + 1) % SJA_RCV_BUF_LEN];
+                count = 2 + (tmp8 & 0x0f);
+
+                if (DEBUG_FILTER) {
+                    qemu_log("[cansja]: message released from "
+                             "Rx FIFO cnt=%d, count=%d\n", s->rx_cnt, count);
+                }
+
+                s->rxbuf_start += count;
+                s->rxbuf_start %= SJA_RCV_BUF_LEN;
+                s->rx_cnt -= count;
+                s->rxmsg_cnt--;
+
+                if (s->rxmsg_cnt == 0) {
+                    s->status_bas &= ~(1 << 0);
+                    s->interrupt_bas &= ~(1 << 0);
+                }
+                if ((s->control & 0x02) && (s->interrupt_bas == 0)) {
+                    /* no other interrupts. */
+                    qemu_irq_lower(s->irq);
+                }
+            }
+            if (0x08 & val) { /* Clear data overrun */
+                s->status_bas &= ~(1 << 1);
+                s->interrupt_bas &= ~(1 << 3);
+                if ((s->control & 0x10) && (s->interrupt_bas == 0)) {
+                    /* no other interrupts. */
+                    qemu_irq_lower(s->irq);
+                }
+            }
+            break;
+        case 4:
+            s->code = val;
+            break;
+        case 5:
+            s->mask = val;
+            break;
+        case 10:
+            s->status_bas |= (1 << 5); /* Set transmit status. */
+        case 11 ... 19:
+            if ((s->control & 0x01) == 0) { /* Operation mode */
+                s->tx_buff[addr - 10] = val; /* Store to TX buffer directly. */
+            }
+            break;
+        case SJA_CDR:
+            s->clock = val;
+            break;
+        }
+    }
+}
+
+uint64_t can_sja_mem_read(CanSJA1000State *s, hwaddr addr, unsigned size)
+{
+    uint64_t temp = 0;
+
+    DPRINTF("read addr 0x%02x ...\n", (unsigned int)addr);
+
+    if (addr > CAN_SJA_MEM_SIZE) {
+        return 0;
+    }
+
+    if (s->clock & 0x80) { /* PeliCAN Mode */
+        switch (addr) {
+        case SJA_MOD: /* Mode register, addr 0 */
+            temp = s->mode;
+            break;
+        case SJA_CMR: /* Command register, addr 1 */
+            temp = 0x00; /* Command register, cannot be read. */
+            break;
+        case SJA_SR: /* Status register, addr 2 */
+            temp = s->status_pel;
+            break;
+        case SJA_IR: /* Interrupt register, addr 3 */
+            temp = s->interrupt_pel;
+            s->interrupt_pel = 0;
+            if (s->rxmsg_cnt) {
+                s->interrupt_pel |= (1 << 0); /* Receive interrupt. */
+                break;
+            }
+            qemu_irq_lower(s->irq);
+            break;
+        case SJA_IER: /* Interrupt enable register, addr 4 */
+            temp = s->interrupt_en;
+            break;
+        case 5: /* Reserved */
+        case 6: /* Bus timing 0, hardware related, not support now. */
+        case 7: /* Bus timing 1, hardware related, not support now. */
+        case 8: /*
+                 * Output control register, hardware related,
+                 * not supported for now.
+                 */
+        case 9: /* Test. */
+        case 10 ... 15: /* Reserved */
+            temp = 0x00;
+            break;
+
+        case 16 ... 28:
+            if (s->mode & 0x01) { /* Reset mode */
+                if (addr < 24) {
+                    temp = s->code_mask[addr - 16];
+                } else {
+                    temp = 0x00;
+                }
+            } else { /* Operation mode */
+                temp = s->rx_buff[(s->rxbuf_start + addr - 16) %
+                       SJA_RCV_BUF_LEN];
+            }
+            break;
+        case SJA_CDR:
+            temp = s->clock;
+            break;
+        default:
+            temp = 0xff;
+        }
+    } else { /* Basic Mode */
+        switch (addr) {
+        case SJA_BCAN_CTR: /* Control register, addr 0 */
+            temp = s->control;
+            break;
+        case SJA_BCAN_SR: /* Status register, addr 2 */
+            temp = s->status_bas;
+            break;
+        case SJA_BCAN_IR: /* Interrupt register, addr 3 */
+            temp = s->interrupt_bas;
+            s->interrupt_bas = 0;
+            if (s->rxmsg_cnt) {
+                s->interrupt_bas |= (1 << 0); /* Receive interrupt. */
+                break;
+            }
+            qemu_irq_lower(s->irq);
+            break;
+        case 4:
+            temp = s->code;
+            break;
+        case 5:
+            temp = s->mask;
+            break;
+        case 20 ... 29:
+            temp = s->rx_buff[(s->rxbuf_start + addr - 20) % SJA_RCV_BUF_LEN];
+            break;
+        case 31:
+            temp = s->clock;
+            break;
+        default:
+            temp = 0xff;
+            break;
+        }
+    }
+    DPRINTF("read addr 0x%02x, %d bytes, content 0x%02lx\n",
+            (int)addr, size, (long unsigned int)temp);
+
+    return temp;
+}
+
+int can_sja_can_receive(CanBusClientState *client)
+{
+    CanSJA1000State *s = container_of(client, CanSJA1000State, bus_client);
+
+    if (s->clock & 0x80) { /* PeliCAN Mode */
+        if (s->mode & 0x01) { /* reset mode. */
+            return 0;
+        }
+    } else { /* BasicCAN mode */
+        if (s->control & 0x01) {
+            return 0;
+        }
+    }
+
+    return 1; /* always return 1, when operation mode */
+}
+
+ssize_t can_sja_receive(CanBusClientState *client, const qemu_can_frame *frames,
+                        size_t frames_cnt)
+{
+    CanSJA1000State *s = container_of(client, CanSJA1000State, bus_client);
+    static uint8_t rcv[SJA_MSG_MAX_LEN];
+    int i;
+    int ret = -1;
+    const qemu_can_frame *frame = frames;
+
+    if (frames_cnt <= 0) {
+        return 0;
+    }
+    if (DEBUG_FILTER) {
+        can_display_msg("[cansja]: receive ", frame);
+    }
+
+    if (s->clock & 0x80) { /* PeliCAN Mode */
+
+        /* the CAN controller is receiving a message */
+        s->status_pel |= (1 << 4);
+
+        if (can_sja_accept_filter(s, frame) == 0) {
+            s->status_pel &= ~(1 << 4);
+            if (DEBUG_FILTER) {
+                qemu_log("[cansja]: filter rejects message\n");
+            }
+            return ret;
+        }
+
+        ret = frame2buff_pel(frame, rcv);
+        if (ret < 0) {
+            s->status_pel &= ~(1 << 4);
+            if (DEBUG_FILTER) {
+                qemu_log("[cansja]: message store failed\n");
+            }
+            return ret; /* maybe not support now. */
+        }
+
+        if (s->rx_cnt + ret > SJA_RCV_BUF_LEN) { /* Data overrun. */
+            s->status_pel |= (1 << 1); /* Overrun status */
+            s->interrupt_pel |= (1 << 3);
+            if (s->interrupt_en & (1 << 3)) { /* Overrun interrupt enable */
+                qemu_irq_raise(s->irq);
+            }
+            s->status_pel &= ~(1 << 4);
+            if (DEBUG_FILTER) {
+                qemu_log("[cansja]: receive FIFO overrun\n");
+            }
+            return ret;
+        }
+        s->rx_cnt += ret;
+        s->rxmsg_cnt++;
+        if (DEBUG_FILTER) {
+            qemu_log("[cansja]: message stored in receive FIFO\n");
+        }
+
+        for (i = 0; i < ret; i++) {
+            s->rx_buff[(s->rx_ptr++) % SJA_RCV_BUF_LEN] = rcv[i];
+        }
+        s->rx_ptr %= SJA_RCV_BUF_LEN; /* update the pointer. */
+
+        s->status_pel |= 0x01; /* Set the Receive Buffer Status. DS-p23 */
+        s->interrupt_pel |= 0x01;
+        s->status_pel &= ~(1 << 4);
+        s->status_pel |= (1 << 0);
+        if (s->interrupt_en & 0x01) { /* Receive Interrupt enable. */
+            qemu_irq_raise(s->irq);
+        }
+    } else { /* BasicCAN mode */
+
+        /* the CAN controller is receiving a message */
+        s->status_bas |= (1 << 4);
+
+        ret = frame2buff_bas(frame, rcv);
+        if (ret < 0) {
+            s->status_bas &= ~(1 << 4);
+            if (DEBUG_FILTER) {
+                qemu_log("[cansja]: message store failed\n");
+            }
+            return ret; /* maybe not support now. */
+        }
+
+        if (s->rx_cnt + ret > SJA_RCV_BUF_LEN) { /* Data overrun. */
+            s->status_bas |= (1 << 1); /* Overrun status */
+            s->status_bas &= ~(1 << 4);
+            s->interrupt_bas |= (1 << 3);
+            if (s->control & (1 << 4)) { /* Overrun interrupt enable */
+                qemu_irq_raise(s->irq);
+            }
+            if (DEBUG_FILTER) {
+                qemu_log("[cansja]: receive FIFO overrun\n");
+            }
+            return ret;
+        }
+        s->rx_cnt += ret;
+        s->rxmsg_cnt++;
+
+        if (DEBUG_FILTER) {
+            qemu_log("[cansja]: message stored\n");
+        }
+
+        for (i = 0; i < ret; i++) {
+            s->rx_buff[(s->rx_ptr++) % SJA_RCV_BUF_LEN] = rcv[i];
+        }
+        s->rx_ptr %= SJA_RCV_BUF_LEN; /* update the pointer. */
+
+        s->status_bas |= 0x01; /* Set the Receive Buffer Status. DS-p15 */
+        s->status_bas &= ~(1 << 4);
+        s->interrupt_bas |= 0x01;
+        if (s->control & 0x02) { /* Receive Interrupt enable. */
+            qemu_irq_raise(s->irq);
+        }
+    }
+    return 1;
+}
+
+static CanBusClientInfo can_sja_bus_client_info = {
+    .can_receive = can_sja_can_receive,
+    .receive = can_sja_receive,
+};
+
+
+int can_sja_connect_to_bus(CanSJA1000State *s, CanBusState *bus)
+{
+    s->bus_client.info = &can_sja_bus_client_info;
+
+    if (can_bus_insert_client(bus, &s->bus_client) < 0) {
+        return -1;
+    }
+
+    return 0;
+}
+
+void can_sja_disconnect(CanSJA1000State *s)
+{
+    can_bus_remove_client(&s->bus_client);
+}
+
+int can_sja_init(CanSJA1000State *s, qemu_irq irq)
+{
+    s->irq = irq;
+
+    qemu_irq_lower(s->irq);
+
+    can_sja_hardware_reset(s);
+
+    return 0;
+}
+
+const VMStateDescription vmstate_qemu_can_filter = {
+    .name = "qemu_can_filter",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT32(can_id, qemu_can_filter),
+        VMSTATE_UINT32(can_mask, qemu_can_filter),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+/* VMState is needed for live migration of QEMU images */
+const VMStateDescription vmstate_can_sja = {
+    .name = "can_sja",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT8(mode, CanSJA1000State),
+
+        VMSTATE_UINT8(status_pel, CanSJA1000State),
+        VMSTATE_UINT8(interrupt_pel, CanSJA1000State),
+        VMSTATE_UINT8(interrupt_en, CanSJA1000State),
+        VMSTATE_UINT8(rxmsg_cnt, CanSJA1000State),
+        VMSTATE_UINT8(rxbuf_start, CanSJA1000State),
+        VMSTATE_UINT8(clock, CanSJA1000State),
+
+        VMSTATE_BUFFER(code_mask, CanSJA1000State),
+        VMSTATE_BUFFER(tx_buff, CanSJA1000State),
+
+        VMSTATE_BUFFER(rx_buff, CanSJA1000State),
+
+        VMSTATE_UINT32(rx_ptr, CanSJA1000State),
+        VMSTATE_UINT32(rx_cnt, CanSJA1000State),
+
+        VMSTATE_UINT8(control, CanSJA1000State),
+
+        VMSTATE_UINT8(status_bas, CanSJA1000State),
+        VMSTATE_UINT8(interrupt_bas, CanSJA1000State),
+        VMSTATE_UINT8(code, CanSJA1000State),
+        VMSTATE_UINT8(mask, CanSJA1000State),
+
+        VMSTATE_STRUCT_ARRAY(filter, CanSJA1000State, 4, 0,
+                             vmstate_qemu_can_filter, qemu_can_filter),
+
+
+        VMSTATE_END_OF_LIST()
+    }
+};
diff --git a/hw/net/can/can_sja1000.h b/hw/net/can/can_sja1000.h
new file mode 100644
index 0000000..4731cbb
--- /dev/null
+++ b/hw/net/can/can_sja1000.h
@@ -0,0 +1,146 @@
+/*
+ * CAN device - SJA1000 chip emulation for QEMU
+ *
+ * Copyright (c) 2013-2014 Jin Yang
+ * Copyright (c) 2014-2018 Pavel Pisa
+ *
+ * Initial development supported by Google GSoC 2013 from RTEMS project slot
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef HW_CAN_SJA1000_H
+#define HW_CAN_SJA1000_H
+
+#include "net/can_emu.h"
+
+#define CAN_SJA_MEM_SIZE      128
+
+/* The max size for a message buffer, EFF and DLC=8, DS-p39 */
+#define SJA_MSG_MAX_LEN       13
+/* The receive buffer size. */
+#define SJA_RCV_BUF_LEN       64
+
+typedef struct CanSJA1000State {
+    /* PeliCAN state and registers sorted by address */
+    uint8_t         mode;          /* 0  .. Mode register, DS-p26 */
+                                   /* 1  .. Command register */
+    uint8_t         status_pel;    /* 2  .. Status register, p15 */
+    uint8_t         interrupt_pel; /* 3  .. Interrupt register */
+    uint8_t         interrupt_en;  /* 4  .. Interrupt Enable register */
+    uint8_t         rxmsg_cnt;     /* 29 .. RX message counter. DS-p49 */
+    uint8_t         rxbuf_start;   /* 30 .. RX buffer start address, DS-p49 */
+    uint8_t         clock;         /* 31 .. Clock Divider register, DS-p55 */
+
+    uint8_t         code_mask[8];  /* 16~23 */
+    uint8_t         tx_buff[13];   /* 96~108 .. transmit buffer */
+                                   /* 10~19  .. transmit buffer for BasicCAN */
+
+    uint8_t         rx_buff[SJA_RCV_BUF_LEN];  /* 32~95 .. 64bytes Rx FIFO */
+    uint32_t        rx_ptr;        /* Count by bytes. */
+    uint32_t        rx_cnt;        /* Count by bytes. */
+
+    /* PeliCAN state and registers sorted by address */
+    uint8_t         control;       /* 0 .. Control register */
+                                   /* 1 .. Command register */
+    uint8_t         status_bas;    /* 2 .. Status register */
+    uint8_t         interrupt_bas; /* 3 .. Interrupt register */
+    uint8_t         code;          /* 4 .. Acceptance code register */
+    uint8_t         mask;          /* 5 .. Acceptance mask register */
+
+    qemu_can_filter filter[4];
+
+    qemu_irq          irq;
+    CanBusClientState bus_client;
+} CanSJA1000State;
+
+/* PeliCAN mode */
+enum SJA1000_PeliCAN_regs {
+        SJA_MOD      = 0x00,    /* Mode control register */
+        SJA_CMR      = 0x01,    /* Command register */
+        SJA_SR       = 0x02,    /* Status register */
+        SJA_IR       = 0x03,    /* Interrupt register */
+        SJA_IER      = 0x04,    /* Interrupt Enable */
+        SJA_BTR0     = 0x06,    /* Bus Timing register 0 */
+        SJA_BTR1     = 0x07,    /* Bus Timing register 1 */
+        SJA_OCR      = 0x08,    /* Output Control register */
+        SJA_ALC      = 0x0b,    /* Arbitration Lost Capture */
+        SJA_ECC      = 0x0c,    /* Error Code Capture */
+        SJA_EWLR     = 0x0d,    /* Error Warning Limit */
+        SJA_RXERR    = 0x0e,    /* RX Error Counter */
+        SJA_TXERR0   = 0x0e,    /* TX Error Counter */
+        SJA_TXERR1   = 0x0f,
+        SJA_RMC      = 0x1d,    /* Rx Message Counter
+                                 * number of messages in RX FIFO
+                                 */
+        SJA_RBSA     = 0x1e,    /* Rx Buffer Start Addr
+                                 * address of current message
+                                 */
+        SJA_FRM      = 0x10,    /* Transmit Buffer
+                                 * write: Receive Buffer
+                                 * read: Frame Information
+                                 */
+/*
+ * ID bytes (11 bits in 0 and 1 for standard message or
+ *          16 bits in 0,1 and 13 bits in 2,3 for extended message)
+ *          The most significant bit of ID is placed in MSB
+ *          position of ID0 register.
+ */
+        SJA_ID0      = 0x11,    /* ID for standard and extended frames */
+        SJA_ID1      = 0x12,
+        SJA_ID2      = 0x13,    /* ID cont. for extended frames */
+        SJA_ID3      = 0x14,
+
+        SJA_DATS     = 0x13,    /* Data start standard frame */
+        SJA_DATE     = 0x15,    /* Data start extended frame */
+        SJA_ACR0     = 0x10,    /* Acceptance Code (4 bytes) in RESET mode */
+        SJA_AMR0     = 0x14,    /* Acceptance Mask (4 bytes) in RESET mode */
+        SJA_PeliCAN_AC_LEN = 4, /* 4 bytes */
+        SJA_CDR      = 0x1f     /* Clock Divider */
+};
+
+
+/* BasicCAN  mode */
+enum SJA1000_BasicCAN_regs {
+        SJA_BCAN_CTR = 0x00,    /* Control register */
+        SJA_BCAN_CMR = 0x01,    /* Command register */
+        SJA_BCAN_SR  = 0x02,    /* Status register */
+        SJA_BCAN_IR  = 0x03     /* Interrupt register */
+};
+
+void can_sja_hardware_reset(CanSJA1000State *s);
+
+void can_sja_mem_write(CanSJA1000State *s, hwaddr addr, uint64_t val,
+                       unsigned size);
+
+uint64_t can_sja_mem_read(CanSJA1000State *s, hwaddr addr, unsigned size);
+
+int can_sja_connect_to_bus(CanSJA1000State *s, CanBusState *bus);
+
+void can_sja_disconnect(CanSJA1000State *s);
+
+int can_sja_init(CanSJA1000State *s, qemu_irq irq);
+
+int can_sja_can_receive(CanBusClientState *client);
+
+ssize_t can_sja_receive(CanBusClientState *client,
+                        const qemu_can_frame *frames, size_t frames_cnt);
+
+extern const VMStateDescription vmstate_can_sja;
+
+#endif
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 07/48] hw/net/can: Kvaser PCI CAN-S (single SJA1000 channel) emulation
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (5 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 06/48] hw/net/can: SJA1000 chip register level emulation for QEMU Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 08/48] hw/net/can: PCM-3680I PCI (dual " Paolo Bonzini
                   ` (38 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Pavel Pisa

From: Pavel Pisa <pisa@cmp.felk.cvut.cz>

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 default-configs/pci.mak     |   1 +
 hw/net/can/Makefile.objs    |   1 +
 hw/net/can/can_kvaser_pci.c | 319 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 321 insertions(+)
 create mode 100644 hw/net/can/can_kvaser_pci.c

diff --git a/default-configs/pci.mak b/default-configs/pci.mak
index 23f91d0..35e7596 100644
--- a/default-configs/pci.mak
+++ b/default-configs/pci.mak
@@ -33,6 +33,7 @@ CONFIG_SERIAL_ISA=y
 CONFIG_SERIAL_PCI=y
 CONFIG_CAN_BUS=y
 CONFIG_CAN_SJA1000=y
+CONFIG_CAN_PCI=y
 CONFIG_IPACK=y
 CONFIG_WDT_IB6300ESB=y
 CONFIG_PCI_TESTDEV=y
diff --git a/hw/net/can/Makefile.objs b/hw/net/can/Makefile.objs
index c299f83..9d4a515 100644
--- a/hw/net/can/Makefile.objs
+++ b/hw/net/can/Makefile.objs
@@ -1 +1,2 @@
 common-obj-$(CONFIG_CAN_SJA1000) += can_sja1000.o
+common-obj-$(CONFIG_CAN_PCI) += can_kvaser_pci.o
diff --git a/hw/net/can/can_kvaser_pci.c b/hw/net/can/can_kvaser_pci.c
new file mode 100644
index 0000000..2d77ef2
--- /dev/null
+++ b/hw/net/can/can_kvaser_pci.c
@@ -0,0 +1,319 @@
+/*
+ * Kvaser PCI CAN device (SJA1000 based) emulation
+ *
+ * Copyright (c) 2013-2014 Jin Yang
+ * Copyright (c) 2014-2018 Pavel Pisa
+ *
+ * Partially based on educational PCIexpress APOHW hardware
+ * emulator used fro class A0B36APO at CTU FEE course by
+ *    Rostislav Lisovy and Pavel Pisa
+ *
+ * Initial development supported by Google GSoC 2013 from RTEMS project slot
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/event_notifier.h"
+#include "qemu/thread.h"
+#include "qemu/sockets.h"
+#include "qapi/error.h"
+#include "chardev/char.h"
+#include "hw/hw.h"
+#include "hw/pci/pci.h"
+#include "net/can_emu.h"
+
+#include "can_sja1000.h"
+
+#define TYPE_CAN_PCI_DEV "kvaser_pci"
+
+#define KVASER_PCI_DEV(obj) \
+    OBJECT_CHECK(KvaserPCIState, (obj), TYPE_CAN_PCI_DEV)
+
+#ifndef KVASER_PCI_VENDOR_ID1
+#define KVASER_PCI_VENDOR_ID1     0x10e8    /* the PCI device and vendor IDs */
+#endif
+
+#ifndef KVASER_PCI_DEVICE_ID1
+#define KVASER_PCI_DEVICE_ID1     0x8406
+#endif
+
+#define KVASER_PCI_S5920_RANGE    0x80
+#define KVASER_PCI_SJA_RANGE      0x80
+#define KVASER_PCI_XILINX_RANGE   0x8
+
+#define KVASER_PCI_BYTES_PER_SJA  0x20
+
+#define S5920_OMB                 0x0C
+#define S5920_IMB                 0x1C
+#define S5920_MBEF                0x34
+#define S5920_INTCSR              0x38
+#define S5920_RCR                 0x3C
+#define S5920_PTCR                0x60
+
+#define S5920_INTCSR_ADDON_INTENABLE_M        0x2000
+#define S5920_INTCSR_INTERRUPT_ASSERTED_M     0x800000
+
+#define KVASER_PCI_XILINX_VERINT  7   /* Lower nibble simulate interrupts,
+                                         high nibble version number. */
+
+#define KVASER_PCI_XILINX_VERSION_NUMBER 13
+
+typedef struct KvaserPCIState {
+    /*< private >*/
+    PCIDevice       dev;
+    /*< public >*/
+    MemoryRegion    s5920_io;
+    MemoryRegion    sja_io;
+    MemoryRegion    xilinx_io;
+
+    CanSJA1000State sja_state;
+    qemu_irq        irq;
+
+    uint32_t        s5920_intcsr;
+    uint32_t        s5920_irqstate;
+
+    CanBusState     *canbus;
+} KvaserPCIState;
+
+static void kvaser_pci_irq_handler(void *opaque, int irq_num, int level)
+{
+    KvaserPCIState *d = (KvaserPCIState *)opaque;
+
+    d->s5920_irqstate = level;
+    if (d->s5920_intcsr & S5920_INTCSR_ADDON_INTENABLE_M) {
+        pci_set_irq(&d->dev, level);
+    }
+}
+
+static void kvaser_pci_reset(DeviceState *dev)
+{
+    KvaserPCIState *d = KVASER_PCI_DEV(dev);
+    CanSJA1000State *s = &d->sja_state;
+
+    can_sja_hardware_reset(s);
+}
+
+static uint64_t kvaser_pci_s5920_io_read(void *opaque, hwaddr addr,
+                                         unsigned size)
+{
+    KvaserPCIState *d = opaque;
+    uint64_t val;
+
+    switch (addr) {
+    case S5920_INTCSR:
+        val = d->s5920_intcsr;
+        val &= ~S5920_INTCSR_INTERRUPT_ASSERTED_M;
+        if (d->s5920_irqstate) {
+            val |= S5920_INTCSR_INTERRUPT_ASSERTED_M;
+        }
+        return val;
+    }
+    return 0;
+}
+
+static void kvaser_pci_s5920_io_write(void *opaque, hwaddr addr, uint64_t data,
+                                      unsigned size)
+{
+    KvaserPCIState *d = opaque;
+
+    switch (addr) {
+    case S5920_INTCSR:
+        if (d->s5920_irqstate &&
+            ((d->s5920_intcsr ^ data) & S5920_INTCSR_ADDON_INTENABLE_M)) {
+            pci_set_irq(&d->dev, !!(data & S5920_INTCSR_ADDON_INTENABLE_M));
+        }
+        d->s5920_intcsr = data;
+        break;
+    }
+}
+
+static uint64_t kvaser_pci_sja_io_read(void *opaque, hwaddr addr, unsigned size)
+{
+    KvaserPCIState *d = opaque;
+    CanSJA1000State *s = &d->sja_state;
+
+    if (addr >= KVASER_PCI_BYTES_PER_SJA) {
+        return 0;
+    }
+
+    return can_sja_mem_read(s, addr, size);
+}
+
+static void kvaser_pci_sja_io_write(void *opaque, hwaddr addr, uint64_t data,
+                                    unsigned size)
+{
+    KvaserPCIState *d = opaque;
+    CanSJA1000State *s = &d->sja_state;
+
+    if (addr >= KVASER_PCI_BYTES_PER_SJA) {
+        return;
+    }
+
+    can_sja_mem_write(s, addr, data, size);
+}
+
+static uint64_t kvaser_pci_xilinx_io_read(void *opaque, hwaddr addr,
+                                          unsigned size)
+{
+    switch (addr) {
+    case KVASER_PCI_XILINX_VERINT:
+        return (KVASER_PCI_XILINX_VERSION_NUMBER << 4) | 0;
+    }
+
+    return 0;
+}
+
+static void kvaser_pci_xilinx_io_write(void *opaque, hwaddr addr, uint64_t data,
+                             unsigned size)
+{
+
+}
+
+static const MemoryRegionOps kvaser_pci_s5920_io_ops = {
+    .read = kvaser_pci_s5920_io_read,
+    .write = kvaser_pci_s5920_io_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .impl = {
+        .min_access_size = 4,
+        .max_access_size = 4,
+    },
+};
+
+static const MemoryRegionOps kvaser_pci_sja_io_ops = {
+    .read = kvaser_pci_sja_io_read,
+    .write = kvaser_pci_sja_io_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .impl = {
+        .max_access_size = 1,
+    },
+};
+
+static const MemoryRegionOps kvaser_pci_xilinx_io_ops = {
+    .read = kvaser_pci_xilinx_io_read,
+    .write = kvaser_pci_xilinx_io_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .impl = {
+        .max_access_size = 1,
+    },
+};
+
+static void kvaser_pci_realize(PCIDevice *pci_dev, Error **errp)
+{
+    KvaserPCIState *d = KVASER_PCI_DEV(pci_dev);
+    CanSJA1000State *s = &d->sja_state;
+    uint8_t *pci_conf;
+
+    pci_conf = pci_dev->config;
+    pci_conf[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */
+
+    d->irq = qemu_allocate_irq(kvaser_pci_irq_handler, d, 0);
+
+    can_sja_init(s, d->irq);
+
+    if (can_sja_connect_to_bus(s, d->canbus) < 0) {
+        error_setg(errp, "can_sja_connect_to_bus failed");
+        return;
+    }
+
+    memory_region_init_io(&d->s5920_io, OBJECT(d), &kvaser_pci_s5920_io_ops,
+                          d, "kvaser_pci-s5920", KVASER_PCI_S5920_RANGE);
+    memory_region_init_io(&d->sja_io, OBJECT(d), &kvaser_pci_sja_io_ops,
+                          d, "kvaser_pci-sja", KVASER_PCI_SJA_RANGE);
+    memory_region_init_io(&d->xilinx_io, OBJECT(d), &kvaser_pci_xilinx_io_ops,
+                          d, "kvaser_pci-xilinx", KVASER_PCI_XILINX_RANGE);
+
+    pci_register_bar(&d->dev, /*BAR*/ 0, PCI_BASE_ADDRESS_SPACE_IO,
+                                            &d->s5920_io);
+    pci_register_bar(&d->dev, /*BAR*/ 1, PCI_BASE_ADDRESS_SPACE_IO,
+                                            &d->sja_io);
+    pci_register_bar(&d->dev, /*BAR*/ 2, PCI_BASE_ADDRESS_SPACE_IO,
+                                            &d->xilinx_io);
+}
+
+static void kvaser_pci_exit(PCIDevice *pci_dev)
+{
+    KvaserPCIState *d = KVASER_PCI_DEV(pci_dev);
+    CanSJA1000State *s = &d->sja_state;
+
+    can_sja_disconnect(s);
+
+    qemu_free_irq(d->irq);
+}
+
+static const VMStateDescription vmstate_kvaser_pci = {
+    .name = "kvaser_pci",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_PCI_DEVICE(dev, KvaserPCIState),
+        VMSTATE_STRUCT(sja_state, KvaserPCIState, 0, vmstate_can_sja,
+                       CanSJA1000State),
+        VMSTATE_UINT32(s5920_intcsr, KvaserPCIState),
+        VMSTATE_UINT32(s5920_irqstate, KvaserPCIState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static void kvaser_pci_instance_init(Object *obj)
+{
+    KvaserPCIState *d = KVASER_PCI_DEV(obj);
+
+    object_property_add_link(obj, "canbus", TYPE_CAN_BUS,
+                             (Object **)&d->canbus,
+                             qdev_prop_allow_set_link_before_realize,
+                             0, &error_abort);
+}
+
+static void kvaser_pci_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+    k->realize = kvaser_pci_realize;
+    k->exit = kvaser_pci_exit;
+    k->vendor_id = KVASER_PCI_VENDOR_ID1;
+    k->device_id = KVASER_PCI_DEVICE_ID1;
+    k->revision = 0x00;
+    k->class_id = 0x00ff00;
+    dc->desc = "Kvaser PCICANx";
+    dc->vmsd = &vmstate_kvaser_pci;
+    dc->reset = kvaser_pci_reset;
+    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+}
+
+static const TypeInfo kvaser_pci_info = {
+    .name          = TYPE_CAN_PCI_DEV,
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(KvaserPCIState),
+    .class_init    = kvaser_pci_class_init,
+    .instance_init = kvaser_pci_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
+};
+
+static void kvaser_pci_register_types(void)
+{
+    type_register_static(&kvaser_pci_info);
+}
+
+type_init(kvaser_pci_register_types)
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 08/48] hw/net/can: PCM-3680I PCI (dual SJA1000 channel) emulation
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (6 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 07/48] hw/net/can: Kvaser PCI CAN-S (single SJA1000 channel) emulation Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 09/48] hw/net/can: MIOe-3680 " Paolo Bonzini
                   ` (37 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Deniz Eren, Pavel Pisa

From: Deniz Eren <deniz.eren@icloud.com>

Signed-off-by: Deniz Eren <deniz.eren@icloud.com>
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/net/can/Makefile.objs     |   1 +
 hw/net/can/can_pcm3680_pci.c | 263 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 264 insertions(+)
 create mode 100644 hw/net/can/can_pcm3680_pci.c

diff --git a/hw/net/can/Makefile.objs b/hw/net/can/Makefile.objs
index 9d4a515..97c4295 100644
--- a/hw/net/can/Makefile.objs
+++ b/hw/net/can/Makefile.objs
@@ -1,2 +1,3 @@
 common-obj-$(CONFIG_CAN_SJA1000) += can_sja1000.o
 common-obj-$(CONFIG_CAN_PCI) += can_kvaser_pci.o
+common-obj-$(CONFIG_CAN_PCI) += can_pcm3680_pci.o
diff --git a/hw/net/can/can_pcm3680_pci.c b/hw/net/can/can_pcm3680_pci.c
new file mode 100644
index 0000000..23f7ff4
--- /dev/null
+++ b/hw/net/can/can_pcm3680_pci.c
@@ -0,0 +1,263 @@
+/*
+ * PCM-3680i PCI CAN device (SJA1000 based) emulation
+ *
+ * Copyright (c) 2016 Deniz Eren (deniz.eren@icloud.com)
+ *
+ * Based on Kvaser PCI CAN device (SJA1000 based) emulation implemented by
+ * Jin Yang and Pavel Pisa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/event_notifier.h"
+#include "qemu/thread.h"
+#include "qemu/sockets.h"
+#include "qapi/error.h"
+#include "chardev/char.h"
+#include "hw/hw.h"
+#include "hw/pci/pci.h"
+#include "net/can_emu.h"
+
+#include "can_sja1000.h"
+
+#define TYPE_CAN_PCI_DEV "pcm3680_pci"
+
+#define PCM3680i_PCI_DEV(obj) \
+    OBJECT_CHECK(Pcm3680iPCIState, (obj), TYPE_CAN_PCI_DEV)
+
+/* the PCI device and vendor IDs */
+#ifndef PCM3680i_PCI_VENDOR_ID1
+#define PCM3680i_PCI_VENDOR_ID1     0x13fe
+#endif
+
+#ifndef PCM3680i_PCI_DEVICE_ID1
+#define PCM3680i_PCI_DEVICE_ID1     0xc002
+#endif
+
+#define PCM3680i_PCI_SJA_COUNT     2
+#define PCM3680i_PCI_SJA_RANGE     0x100
+
+#define PCM3680i_PCI_BYTES_PER_SJA 0x20
+
+typedef struct Pcm3680iPCIState {
+    /*< private >*/
+    PCIDevice       dev;
+    /*< public >*/
+    MemoryRegion    sja_io[PCM3680i_PCI_SJA_COUNT];
+
+    CanSJA1000State sja_state[PCM3680i_PCI_SJA_COUNT];
+    qemu_irq        irq;
+
+    char            *model; /* The model that support, only SJA1000 now. */
+    CanBusState     *canbus[PCM3680i_PCI_SJA_COUNT];
+} Pcm3680iPCIState;
+
+static void pcm3680i_pci_reset(DeviceState *dev)
+{
+    Pcm3680iPCIState *d = PCM3680i_PCI_DEV(dev);
+    int i;
+
+    for (i = 0; i < PCM3680i_PCI_SJA_COUNT; i++) {
+        can_sja_hardware_reset(&d->sja_state[i]);
+    }
+}
+
+static uint64_t pcm3680i_pci_sja1_io_read(void *opaque, hwaddr addr,
+                                          unsigned size)
+{
+    Pcm3680iPCIState *d = opaque;
+    CanSJA1000State *s = &d->sja_state[0];
+
+    if (addr >= PCM3680i_PCI_BYTES_PER_SJA) {
+        return 0;
+    }
+
+    return can_sja_mem_read(s, addr, size);
+}
+
+static void pcm3680i_pci_sja1_io_write(void *opaque, hwaddr addr,
+                                       uint64_t data, unsigned size)
+{
+    Pcm3680iPCIState *d = opaque;
+    CanSJA1000State *s = &d->sja_state[0];
+
+    if (addr >= PCM3680i_PCI_BYTES_PER_SJA) {
+        return;
+    }
+
+    can_sja_mem_write(s, addr, data, size);
+}
+
+static uint64_t pcm3680i_pci_sja2_io_read(void *opaque, hwaddr addr,
+                                          unsigned size)
+{
+    Pcm3680iPCIState *d = opaque;
+    CanSJA1000State *s = &d->sja_state[1];
+
+    if (addr >= PCM3680i_PCI_BYTES_PER_SJA) {
+        return 0;
+    }
+
+    return can_sja_mem_read(s, addr, size);
+}
+
+static void pcm3680i_pci_sja2_io_write(void *opaque, hwaddr addr, uint64_t data,
+                             unsigned size)
+{
+    Pcm3680iPCIState *d = opaque;
+    CanSJA1000State *s = &d->sja_state[1];
+
+    if (addr >= PCM3680i_PCI_BYTES_PER_SJA) {
+        return;
+    }
+
+    can_sja_mem_write(s, addr, data, size);
+}
+
+static const MemoryRegionOps pcm3680i_pci_sja1_io_ops = {
+    .read = pcm3680i_pci_sja1_io_read,
+    .write = pcm3680i_pci_sja1_io_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .impl = {
+        .max_access_size = 1,
+    },
+};
+
+static const MemoryRegionOps pcm3680i_pci_sja2_io_ops = {
+    .read = pcm3680i_pci_sja2_io_read,
+    .write = pcm3680i_pci_sja2_io_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .impl = {
+        .max_access_size = 1,
+    },
+};
+
+static void pcm3680i_pci_realize(PCIDevice *pci_dev, Error **errp)
+{
+    Pcm3680iPCIState *d = PCM3680i_PCI_DEV(pci_dev);
+    uint8_t *pci_conf;
+    int i;
+
+    pci_conf = pci_dev->config;
+    pci_conf[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */
+
+    d->irq = pci_allocate_irq(&d->dev);
+
+    for (i = 0; i < PCM3680i_PCI_SJA_COUNT; i++) {
+        can_sja_init(&d->sja_state[i], d->irq);
+    }
+
+    for (i = 0; i < PCM3680i_PCI_SJA_COUNT; i++) {
+        if (can_sja_connect_to_bus(&d->sja_state[i], d->canbus[i]) < 0) {
+            error_setg(errp, "can_sja_connect_to_bus failed");
+            return;
+        }
+    }
+
+    memory_region_init_io(&d->sja_io[0], OBJECT(d), &pcm3680i_pci_sja1_io_ops,
+                          d, "pcm3680i_pci-sja1", PCM3680i_PCI_SJA_RANGE);
+
+    memory_region_init_io(&d->sja_io[1], OBJECT(d), &pcm3680i_pci_sja2_io_ops,
+                          d, "pcm3680i_pci-sja2", PCM3680i_PCI_SJA_RANGE);
+
+    for (i = 0; i < PCM3680i_PCI_SJA_COUNT; i++) {
+        pci_register_bar(&d->dev, /*BAR*/ i, PCI_BASE_ADDRESS_SPACE_IO,
+                         &d->sja_io[i]);
+    }
+}
+
+static void pcm3680i_pci_exit(PCIDevice *pci_dev)
+{
+    Pcm3680iPCIState *d = PCM3680i_PCI_DEV(pci_dev);
+    int i;
+
+    for (i = 0; i < PCM3680i_PCI_SJA_COUNT; i++) {
+        can_sja_disconnect(&d->sja_state[i]);
+    }
+
+    qemu_free_irq(d->irq);
+}
+
+static const VMStateDescription vmstate_pcm3680i_pci = {
+    .name = "pcm3680i_pci",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_PCI_DEVICE(dev, Pcm3680iPCIState),
+        VMSTATE_STRUCT(sja_state[0], Pcm3680iPCIState, 0,
+                       vmstate_can_sja, CanSJA1000State),
+        VMSTATE_STRUCT(sja_state[1], Pcm3680iPCIState, 0,
+                       vmstate_can_sja, CanSJA1000State),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static void pcm3680i_pci_instance_init(Object *obj)
+{
+    Pcm3680iPCIState *d = PCM3680i_PCI_DEV(obj);
+
+    object_property_add_link(obj, "canbus0", TYPE_CAN_BUS,
+                             (Object **)&d->canbus[0],
+                             qdev_prop_allow_set_link_before_realize,
+                             0, &error_abort);
+    object_property_add_link(obj, "canbus1", TYPE_CAN_BUS,
+                             (Object **)&d->canbus[1],
+                             qdev_prop_allow_set_link_before_realize,
+                             0, &error_abort);
+}
+
+static void pcm3680i_pci_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+    k->realize = pcm3680i_pci_realize;
+    k->exit = pcm3680i_pci_exit;
+    k->vendor_id = PCM3680i_PCI_VENDOR_ID1;
+    k->device_id = PCM3680i_PCI_DEVICE_ID1;
+    k->revision = 0x00;
+    k->class_id = 0x000c09;
+    k->subsystem_vendor_id = PCM3680i_PCI_VENDOR_ID1;
+    k->subsystem_id = PCM3680i_PCI_DEVICE_ID1;
+    dc->desc = "Pcm3680i PCICANx";
+    dc->vmsd = &vmstate_pcm3680i_pci;
+    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+    dc->reset = pcm3680i_pci_reset;
+}
+
+static const TypeInfo pcm3680i_pci_info = {
+    .name          = TYPE_CAN_PCI_DEV,
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(Pcm3680iPCIState),
+    .class_init    = pcm3680i_pci_class_init,
+    .instance_init = pcm3680i_pci_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
+};
+
+static void pcm3680i_pci_register_types(void)
+{
+    type_register_static(&pcm3680i_pci_info);
+}
+
+type_init(pcm3680i_pci_register_types)
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 09/48] hw/net/can: MIOe-3680 PCI (dual SJA1000 channel) emulation
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (7 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 08/48] hw/net/can: PCM-3680I PCI (dual " Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 10/48] net/can: documentation Paolo Bonzini
                   ` (36 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Deniz Eren, Pavel Pisa

From: Deniz Eren <deniz.eren@icloud.com>

Signed-off-by: Deniz Eren <deniz.eren@icloud.com>
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/net/can/Makefile.objs      |   1 +
 hw/net/can/can_mioe3680_pci.c | 262 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 263 insertions(+)
 create mode 100644 hw/net/can/can_mioe3680_pci.c

diff --git a/hw/net/can/Makefile.objs b/hw/net/can/Makefile.objs
index 97c4295..9f0c4ee 100644
--- a/hw/net/can/Makefile.objs
+++ b/hw/net/can/Makefile.objs
@@ -1,3 +1,4 @@
 common-obj-$(CONFIG_CAN_SJA1000) += can_sja1000.o
 common-obj-$(CONFIG_CAN_PCI) += can_kvaser_pci.o
 common-obj-$(CONFIG_CAN_PCI) += can_pcm3680_pci.o
+common-obj-$(CONFIG_CAN_PCI) += can_mioe3680_pci.o
diff --git a/hw/net/can/can_mioe3680_pci.c b/hw/net/can/can_mioe3680_pci.c
new file mode 100644
index 0000000..fd20b88
--- /dev/null
+++ b/hw/net/can/can_mioe3680_pci.c
@@ -0,0 +1,262 @@
+/*
+ * MIOe-3680 PCI CAN device (SJA1000 based) emulation
+ *
+ * Copyright (c) 2016 Deniz Eren (deniz.eren@icloud.com)
+ *
+ * Based on Kvaser PCI CAN device (SJA1000 based) emulation implemented by
+ * Jin Yang and Pavel Pisa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/event_notifier.h"
+#include "qemu/thread.h"
+#include "qemu/sockets.h"
+#include "qapi/error.h"
+#include "chardev/char.h"
+#include "hw/hw.h"
+#include "hw/pci/pci.h"
+#include "net/can_emu.h"
+
+#include "can_sja1000.h"
+
+#define TYPE_CAN_PCI_DEV "mioe3680_pci"
+
+#define MIOe3680_PCI_DEV(obj) \
+    OBJECT_CHECK(Mioe3680PCIState, (obj), TYPE_CAN_PCI_DEV)
+
+/* the PCI device and vendor IDs */
+#ifndef MIOe3680_PCI_VENDOR_ID1
+#define MIOe3680_PCI_VENDOR_ID1     0x13fe
+#endif
+
+#ifndef MIOe3680_PCI_DEVICE_ID1
+#define MIOe3680_PCI_DEVICE_ID1     0xc302
+#endif
+
+#define MIOe3680_PCI_SJA_COUNT     2
+#define MIOe3680_PCI_SJA_RANGE     0x400
+
+#define MIOe3680_PCI_BYTES_PER_SJA 0x80
+
+typedef struct Mioe3680PCIState {
+    /*< private >*/
+    PCIDevice       dev;
+    /*< public >*/
+    MemoryRegion    sja_io[MIOe3680_PCI_SJA_COUNT];
+
+    CanSJA1000State sja_state[MIOe3680_PCI_SJA_COUNT];
+    qemu_irq        irq;
+
+    char            *model; /* The model that support, only SJA1000 now. */
+    CanBusState     *canbus[MIOe3680_PCI_SJA_COUNT];
+} Mioe3680PCIState;
+
+static void mioe3680_pci_reset(DeviceState *dev)
+{
+    Mioe3680PCIState *d = MIOe3680_PCI_DEV(dev);
+    int i;
+
+    for (i = 0 ; i < MIOe3680_PCI_SJA_COUNT; i++) {
+        can_sja_hardware_reset(&d->sja_state[i]);
+    }
+}
+
+static uint64_t mioe3680_pci_sja1_io_read(void *opaque, hwaddr addr,
+                                          unsigned size)
+{
+    Mioe3680PCIState *d = opaque;
+    CanSJA1000State *s = &d->sja_state[0];
+
+    if (addr >= MIOe3680_PCI_BYTES_PER_SJA) {
+        return 0;
+    }
+
+    return can_sja_mem_read(s, addr >> 2, size);
+}
+
+static void mioe3680_pci_sja1_io_write(void *opaque, hwaddr addr, uint64_t data,
+                             unsigned size)
+{
+    Mioe3680PCIState *d = opaque;
+    CanSJA1000State *s = &d->sja_state[0];
+
+    if (addr >= MIOe3680_PCI_BYTES_PER_SJA) {
+        return;
+    }
+
+    can_sja_mem_write(s, addr >> 2, data, size);
+}
+
+static uint64_t mioe3680_pci_sja2_io_read(void *opaque, hwaddr addr,
+                                          unsigned size)
+{
+    Mioe3680PCIState *d = opaque;
+    CanSJA1000State *s = &d->sja_state[1];
+
+    if (addr >= MIOe3680_PCI_BYTES_PER_SJA) {
+        return 0;
+    }
+
+    return can_sja_mem_read(s, addr >> 2, size);
+}
+
+static void mioe3680_pci_sja2_io_write(void *opaque, hwaddr addr, uint64_t data,
+                             unsigned size)
+{
+    Mioe3680PCIState *d = opaque;
+    CanSJA1000State *s = &d->sja_state[1];
+
+    if (addr >= MIOe3680_PCI_BYTES_PER_SJA) {
+        return;
+    }
+
+    can_sja_mem_write(s, addr >> 2, data, size);
+}
+
+static const MemoryRegionOps mioe3680_pci_sja1_io_ops = {
+    .read = mioe3680_pci_sja1_io_read,
+    .write = mioe3680_pci_sja1_io_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .impl = {
+        .max_access_size = 1,
+    },
+};
+
+static const MemoryRegionOps mioe3680_pci_sja2_io_ops = {
+    .read = mioe3680_pci_sja2_io_read,
+    .write = mioe3680_pci_sja2_io_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .impl = {
+        .max_access_size = 1,
+    },
+};
+
+static void mioe3680_pci_realize(PCIDevice *pci_dev, Error **errp)
+{
+    Mioe3680PCIState *d = MIOe3680_PCI_DEV(pci_dev);
+    uint8_t *pci_conf;
+    int i;
+
+    pci_conf = pci_dev->config;
+    pci_conf[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */
+
+    d->irq = pci_allocate_irq(&d->dev);
+
+    for (i = 0 ; i < MIOe3680_PCI_SJA_COUNT; i++) {
+        can_sja_init(&d->sja_state[i], d->irq);
+    }
+
+    for (i = 0 ; i < MIOe3680_PCI_SJA_COUNT; i++) {
+        if (can_sja_connect_to_bus(&d->sja_state[i], d->canbus[i]) < 0) {
+            error_setg(errp, "can_sja_connect_to_bus failed");
+            return;
+        }
+    }
+
+    memory_region_init_io(&d->sja_io[0], OBJECT(d), &mioe3680_pci_sja1_io_ops,
+                          d, "mioe3680_pci-sja1", MIOe3680_PCI_SJA_RANGE);
+    memory_region_init_io(&d->sja_io[1], OBJECT(d), &mioe3680_pci_sja2_io_ops,
+                          d, "mioe3680_pci-sja2", MIOe3680_PCI_SJA_RANGE);
+
+    for (i = 0 ; i < MIOe3680_PCI_SJA_COUNT; i++) {
+        pci_register_bar(&d->dev, /*BAR*/ i, PCI_BASE_ADDRESS_SPACE_IO,
+                         &d->sja_io[i]);
+    }
+}
+
+static void mioe3680_pci_exit(PCIDevice *pci_dev)
+{
+    Mioe3680PCIState *d = MIOe3680_PCI_DEV(pci_dev);
+    int i;
+
+    for (i = 0 ; i < MIOe3680_PCI_SJA_COUNT; i++) {
+        can_sja_disconnect(&d->sja_state[i]);
+    }
+
+    qemu_free_irq(d->irq);
+}
+
+static const VMStateDescription vmstate_mioe3680_pci = {
+    .name = "mioe3680_pci",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_PCI_DEVICE(dev, Mioe3680PCIState),
+        VMSTATE_STRUCT(sja_state[0], Mioe3680PCIState, 0, vmstate_can_sja,
+                       CanSJA1000State),
+        VMSTATE_STRUCT(sja_state[1], Mioe3680PCIState, 0, vmstate_can_sja,
+                       CanSJA1000State),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static void mioe3680_pci_instance_init(Object *obj)
+{
+    Mioe3680PCIState *d = MIOe3680_PCI_DEV(obj);
+
+    object_property_add_link(obj, "canbus0", TYPE_CAN_BUS,
+                             (Object **)&d->canbus[0],
+                             qdev_prop_allow_set_link_before_realize,
+                             0, &error_abort);
+    object_property_add_link(obj, "canbus1", TYPE_CAN_BUS,
+                             (Object **)&d->canbus[1],
+                             qdev_prop_allow_set_link_before_realize,
+                             0, &error_abort);
+}
+
+static void mioe3680_pci_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+    k->realize = mioe3680_pci_realize;
+    k->exit = mioe3680_pci_exit;
+    k->vendor_id = MIOe3680_PCI_VENDOR_ID1;
+    k->device_id = MIOe3680_PCI_DEVICE_ID1;
+    k->revision = 0x00;
+    k->class_id = 0x000c09;
+    k->subsystem_vendor_id = MIOe3680_PCI_VENDOR_ID1;
+    k->subsystem_id = MIOe3680_PCI_DEVICE_ID1;
+    dc->desc = "Mioe3680 PCICANx";
+    dc->vmsd = &vmstate_mioe3680_pci;
+    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+    dc->reset = mioe3680_pci_reset;
+}
+
+static const TypeInfo mioe3680_pci_info = {
+    .name          = TYPE_CAN_PCI_DEV,
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(Mioe3680PCIState),
+    .class_init    = mioe3680_pci_class_init,
+    .instance_init = mioe3680_pci_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
+};
+
+static void mioe3680_pci_register_types(void)
+{
+    type_register_static(&mioe3680_pci_info);
+}
+
+type_init(mioe3680_pci_register_types)
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 10/48] net/can: documentation
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (8 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 09/48] hw/net/can: MIOe-3680 " Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 11/48] hw/net/can: interrupt cleanup Paolo Bonzini
                   ` (35 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Pavel Pisa

From: Pavel Pisa <pisa@cmp.felk.cvut.cz>

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 docs/can.txt | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 docs/can.txt

diff --git a/docs/can.txt b/docs/can.txt
new file mode 100644
index 0000000..a357105
--- /dev/null
+++ b/docs/can.txt
@@ -0,0 +1,107 @@
+QEMU CAN bus emulation support
+==============================
+
+The CAN bus emulation provides mechanism to connect multiple
+emulated CAN controller chips together by one or multiple CAN busses
+(the controller device "canbus"  parameter). The individual busses
+can be connected to host system CAN API (at this time only Linux
+SocketCAN is supported).
+
+The concept of busses is generic and different CAN controllers
+can be implemented for it but at this time only SJA1000 chip
+controller is implemented.
+
+The PCI addon card hardware has been selected as the first CAN
+interface to implement because such device can be easily connected
+to systems with different CPU architectures (x86, PowerPC, ARM, etc.).
+
+The project has been initially started in frame of RTEMS GSoC 2013
+slot by Jin Yang under our mentoring  The initial idea was to provide generic
+CAN subsystem for RTEMS. But lack of common environment for code and RTEMS
+testing lead to goal change to provide environment which provides complete
+emulated environment for testing and RTEMS GSoC slot has been donated
+to work on CAN hardware emulation on QEMU.
+
+Examples how to use CAN emulation
+=================================
+
+When QEMU with CAN PCI support is compiled then one of the next
+CAN boards can be selected
+
+ (1) CAN bus Kvaser PCI CAN-S (single SJA1000 channel) boad. QEMU startup options
+    -object can-bus,id=canbus0
+    -device kvaser_pci,canbus=canbus0
+    Add "can-host-socketcan" object to connect device to host system CAN bus
+    -object can-host-socketcan,id=canhost0,if=can0,canbus=canbus0
+
+ (2) CAN bus PCM-3680I PCI (dual SJA1000 channel) emulation
+    -object can-bus,id=canbus0
+    -device pcm3680_pci,canbus0=canbus0,canbus1=canbus0
+
+ another example:
+    -object can-bus,id=canbus0
+    -object can-bus,id=canbus1
+    -device pcm3680_pci,canbus0=canbus0,canbus1=canbus1
+
+ (3) CAN bus MIOe-3680 PCI (dual SJA1000 channel) emulation
+    -device mioe3680_pci,canbus0=canbus0
+
+
+The ''kvaser_pci'' board/device model is compatible with and has been tested with
+''kvaser_pci'' driver included in mainline Linux kernel.
+The tested setup was Linux 4.9 kernel on the host and guest side.
+Example for qemu-system-x86_64:
+
+    qemu-system-x86_64 -enable-kvm -kernel /boot/vmlinuz-4.9.0-4-amd64 \
+      -initrd ramdisk.cpio \
+      -virtfs local,path=shareddir,security_model=none,mount_tag=shareddir \
+      -object can-bus,id=canbus0 \
+      -object can-host-socketcan,id=canhost0,if=can0,canbus=canbus0 \
+      -device kvaser_pci,canbus=canbus0 \
+      -nographic -append "console=ttyS0"
+
+Example for qemu-system-arm:
+
+    qemu-system-arm -cpu arm1176 -m 256 -M versatilepb \
+      -kernel kernel-qemu-arm1176-versatilepb \
+      -hda rpi-wheezy-overlay \
+      -append "console=ttyAMA0 root=/dev/sda2 ro init=/sbin/init-overlay" \
+      -nographic \
+      -virtfs local,path=shareddir,security_model=none,mount_tag=shareddir \
+      -object can-bus,id=canbus0 \
+      -object can-host-socketcan,id=canhost0,if=can0,canbus=canbus0 \
+      -device kvaser_pci,canbus=canbus0,host=can0 \
+
+The CAN interface of the host system has to be configured for proper
+bitrate and set up. Configuration is not propagated from emulated
+devices through bus to the physical host device. Example configuration
+for 1 Mbit/s
+
+  ip link set can0 type can bitrate 1000000
+  ip link set can0 up
+
+Virtual (host local only) can interface can be used on the host
+side instead of physical interface
+
+  ip link add dev can0 type vcan
+
+The CAN interface on the host side can be used to analyze CAN
+traffic with "candump" command which is included in "can-utils".
+
+  candump can0
+
+Links to other resources
+========================
+
+ (1) Repository with development branch can-pci at Czech Technical University
+     https://gitlab.fel.cvut.cz/canbus/qemu-canbus
+ (2) GitHub repository with can-pci and our other changes included
+     https://gitlab.fel.cvut.cz/canbus/qemu-canbus
+ (3) RTEMS page describing project
+     https://devel.rtems.org/wiki/Developer/Simulators/QEMU/CANEmulation
+ (4) RTLWS 2015 article about the projevt and its use with CANopen emulation
+     http://rtime.felk.cvut.cz/publications/public/rtlws2015-qemu-can.pdf
+     Slides
+     http://rtime.felk.cvut.cz/publications/public/rtlws2015-qemu-can-slides.pdf
+ (5) Linux SocketCAN utilities
+     https://github.com/linux-can/can-utils/
\ No newline at end of file
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 11/48] hw/net/can: interrupt cleanup
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (9 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 10/48] net/can: documentation Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 12/48] build-sys: remove useless extra*flags variables Paolo Bonzini
                   ` (34 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel

Define two functions to update the interrupt state, and call them
on loadvm.  This removes the need to migrate the state as part of
vmstate_kvaser_pci.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/net/can/can_kvaser_pci.c |  4 +--
 hw/net/can/can_sja1000.c    | 82 ++++++++++++++++++++++++---------------------
 2 files changed, 45 insertions(+), 41 deletions(-)

diff --git a/hw/net/can/can_kvaser_pci.c b/hw/net/can/can_kvaser_pci.c
index 2d77ef2..5f82f43 100644
--- a/hw/net/can/can_kvaser_pci.c
+++ b/hw/net/can/can_kvaser_pci.c
@@ -264,10 +264,10 @@ static const VMStateDescription vmstate_kvaser_pci = {
     .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_PCI_DEVICE(dev, KvaserPCIState),
+        /* Load this before sja_state.  */
+        VMSTATE_UINT32(s5920_intcsr, KvaserPCIState),
         VMSTATE_STRUCT(sja_state, KvaserPCIState, 0, vmstate_can_sja,
                        CanSJA1000State),
-        VMSTATE_UINT32(s5920_intcsr, KvaserPCIState),
-        VMSTATE_UINT32(s5920_irqstate, KvaserPCIState),
         VMSTATE_END_OF_LIST()
     }
 };
diff --git a/hw/net/can/can_sja1000.c b/hw/net/can/can_sja1000.c
index 503fbcf..6293233 100644
--- a/hw/net/can/can_sja1000.c
+++ b/hw/net/can/can_sja1000.c
@@ -378,6 +378,24 @@ static int frame2buff_bas(const qemu_can_frame *frame, uint8_t *buff)
     return frame->can_dlc + 2;
 }
 
+static void can_sja_update_pel_irq(CanSJA1000State *s)
+{
+    if (s->interrupt_en & s->interrupt_pel) {
+        qemu_irq_raise(s->irq);
+    } else {
+        qemu_irq_lower(s->irq);
+    }
+}
+
+static void can_sja_update_bas_irq(CanSJA1000State *s)
+{
+    if ((s->control >> 1) & s->interrupt_bas) {
+        qemu_irq_raise(s->irq);
+    } else {
+        qemu_irq_lower(s->irq);
+    }
+}
+
 void can_sja_mem_write(CanSJA1000State *s, hwaddr addr, uint64_t val,
                        unsigned size)
 {
@@ -457,9 +475,7 @@ void can_sja_mem_write(CanSJA1000State *s, hwaddr addr, uint64_t val,
                 /* Clear transmit status. */
                 s->status_pel &= ~(1 << 5);
                 s->interrupt_pel |= 0x02;
-                if (s->interrupt_en & 0x02) {
-                    qemu_irq_raise(s->irq);
-                }
+                can_sja_update_pel_irq(s);
             }
             if (0x04 & val) { /* Release Receive Buffer */
                 if (s->rxmsg_cnt <= 0) {
@@ -488,19 +504,13 @@ void can_sja_mem_write(CanSJA1000State *s, hwaddr addr, uint64_t val,
                 if (s->rxmsg_cnt == 0) {
                     s->status_pel &= ~(1 << 0);
                     s->interrupt_pel &= ~(1 << 0);
-                }
-                if ((s->interrupt_en & 0x01) && (s->interrupt_pel == 0)) {
-                    /* no other interrupts. */
-                    qemu_irq_lower(s->irq);
+                    can_sja_update_pel_irq(s);
                 }
             }
             if (0x08 & val) { /* Clear data overrun */
                 s->status_pel &= ~(1 << 1);
                 s->interrupt_pel &= ~(1 << 3);
-                if ((s->interrupt_en & 0x80) && (s->interrupt_pel == 0)) {
-                    /* no other interrupts. */
-                    qemu_irq_lower(s->irq);
-                }
+                can_sja_update_pel_irq(s);
             }
             break;
         case SJA_SR: /* Status register */
@@ -568,9 +578,7 @@ void can_sja_mem_write(CanSJA1000State *s, hwaddr addr, uint64_t val,
                 /* Clear transmit status. */
                 s->status_bas &= ~(1 << 5);
                 s->interrupt_bas |= 0x02;
-                if (s->control & 0x04) {
-                    qemu_irq_raise(s->irq);
-                }
+                can_sja_update_bas_irq(s);
             }
             if (0x04 & val) { /* Release Receive Buffer */
                 if (s->rxmsg_cnt <= 0) {
@@ -593,19 +601,13 @@ void can_sja_mem_write(CanSJA1000State *s, hwaddr addr, uint64_t val,
                 if (s->rxmsg_cnt == 0) {
                     s->status_bas &= ~(1 << 0);
                     s->interrupt_bas &= ~(1 << 0);
-                }
-                if ((s->control & 0x02) && (s->interrupt_bas == 0)) {
-                    /* no other interrupts. */
-                    qemu_irq_lower(s->irq);
+                    can_sja_update_bas_irq(s);
                 }
             }
             if (0x08 & val) { /* Clear data overrun */
                 s->status_bas &= ~(1 << 1);
                 s->interrupt_bas &= ~(1 << 3);
-                if ((s->control & 0x10) && (s->interrupt_bas == 0)) {
-                    /* no other interrupts. */
-                    qemu_irq_lower(s->irq);
-                }
+                can_sja_update_bas_irq(s);
             }
             break;
         case 4:
@@ -654,9 +656,8 @@ uint64_t can_sja_mem_read(CanSJA1000State *s, hwaddr addr, unsigned size)
             s->interrupt_pel = 0;
             if (s->rxmsg_cnt) {
                 s->interrupt_pel |= (1 << 0); /* Receive interrupt. */
-                break;
             }
-            qemu_irq_lower(s->irq);
+            can_sja_update_pel_irq(s);
             break;
         case SJA_IER: /* Interrupt enable register, addr 4 */
             temp = s->interrupt_en;
@@ -704,9 +705,8 @@ uint64_t can_sja_mem_read(CanSJA1000State *s, hwaddr addr, unsigned size)
             s->interrupt_bas = 0;
             if (s->rxmsg_cnt) {
                 s->interrupt_bas |= (1 << 0); /* Receive interrupt. */
-                break;
             }
-            qemu_irq_lower(s->irq);
+            can_sja_update_bas_irq(s);
             break;
         case 4:
             temp = s->code;
@@ -789,13 +789,11 @@ ssize_t can_sja_receive(CanBusClientState *client, const qemu_can_frame *frames,
         if (s->rx_cnt + ret > SJA_RCV_BUF_LEN) { /* Data overrun. */
             s->status_pel |= (1 << 1); /* Overrun status */
             s->interrupt_pel |= (1 << 3);
-            if (s->interrupt_en & (1 << 3)) { /* Overrun interrupt enable */
-                qemu_irq_raise(s->irq);
-            }
             s->status_pel &= ~(1 << 4);
             if (DEBUG_FILTER) {
                 qemu_log("[cansja]: receive FIFO overrun\n");
             }
+            can_sja_update_pel_irq(s);
             return ret;
         }
         s->rx_cnt += ret;
@@ -813,9 +811,7 @@ ssize_t can_sja_receive(CanBusClientState *client, const qemu_can_frame *frames,
         s->interrupt_pel |= 0x01;
         s->status_pel &= ~(1 << 4);
         s->status_pel |= (1 << 0);
-        if (s->interrupt_en & 0x01) { /* Receive Interrupt enable. */
-            qemu_irq_raise(s->irq);
-        }
+        can_sja_update_pel_irq(s);
     } else { /* BasicCAN mode */
 
         /* the CAN controller is receiving a message */
@@ -834,9 +830,7 @@ ssize_t can_sja_receive(CanBusClientState *client, const qemu_can_frame *frames,
             s->status_bas |= (1 << 1); /* Overrun status */
             s->status_bas &= ~(1 << 4);
             s->interrupt_bas |= (1 << 3);
-            if (s->control & (1 << 4)) { /* Overrun interrupt enable */
-                qemu_irq_raise(s->irq);
-            }
+            can_sja_update_bas_irq(s);
             if (DEBUG_FILTER) {
                 qemu_log("[cansja]: receive FIFO overrun\n");
             }
@@ -856,10 +850,8 @@ ssize_t can_sja_receive(CanBusClientState *client, const qemu_can_frame *frames,
 
         s->status_bas |= 0x01; /* Set the Receive Buffer Status. DS-p15 */
         s->status_bas &= ~(1 << 4);
-        s->interrupt_bas |= 0x01;
-        if (s->control & 0x02) { /* Receive Interrupt enable. */
-            qemu_irq_raise(s->irq);
-        }
+        s->interrupt_bas |= (1 << 0);
+        can_sja_update_bas_irq(s);
     }
     return 1;
 }
@@ -909,12 +901,24 @@ const VMStateDescription vmstate_qemu_can_filter = {
     }
 };
 
+static int can_sja_post_load(void *opaque, int version_id)
+{
+    CanSJA1000State *s = opaque;
+    if (s->clock & 0x80) { /* PeliCAN Mode */
+        can_sja_update_pel_irq(s);
+    } else {
+        can_sja_update_bas_irq(s);
+    }
+    return 0;
+}
+
 /* VMState is needed for live migration of QEMU images */
 const VMStateDescription vmstate_can_sja = {
     .name = "can_sja",
     .version_id = 1,
     .minimum_version_id = 1,
     .minimum_version_id_old = 1,
+    .post_load = can_sja_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINT8(mode, CanSJA1000State),
 
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 12/48] build-sys: remove useless extra*flags variables
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (10 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 11/48] hw/net/can: interrupt cleanup Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 13/48] build-sys: check static linking of UBSAN Paolo Bonzini
                   ` (33 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Marc-André Lureau

From: Marc-André Lureau <marcandre.lureau@redhat.com>

Only EXTRA_LDFLAGS seems to be used during configure Xen checks.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180208162343.30809-1-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 configure | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/configure b/configure
index fe9eea9..0a53562 100755
--- a/configure
+++ b/configure
@@ -471,10 +471,8 @@ for opt do
   --cpu=*) cpu="$optarg"
   ;;
   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
-                    EXTRA_CFLAGS="$optarg"
   ;;
   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
-                      EXTRA_CXXFLAGS="$optarg"
   ;;
   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
                      EXTRA_LDFLAGS="$optarg"
@@ -1424,7 +1422,6 @@ case "$cpu" in
 esac
 
 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
-EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
 
 # For user-mode emulation the host arch has to be one we explicitly
 # support, even if we're using TCI.
@@ -5877,9 +5874,6 @@ if test "$mingw32" = "no" ; then
   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
 fi
 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
-echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
-echo "extra_cxxflags=$EXTRA_CXXFLAGS" >> $config_host_mak
-echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
 echo "GIT=$git" >> $config_host_mak
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 13/48] build-sys: check static linking of UBSAN
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (11 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 12/48] build-sys: remove useless extra*flags variables Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 14/48] sdhci: use error_propagate(local_err) in realize() Paolo Bonzini
                   ` (32 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Marc-André Lureau

From: Marc-André Lureau <marcandre.lureau@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180208162343.30809-2-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 configure | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 0a53562..913e148 100755
--- a/configure
+++ b/configure
@@ -5306,7 +5306,15 @@ fi
 ##########################################
 # checks for sanitizers
 
-write_c_skeleton
+# we could use a simple skeleton for flags checks, but this also
+# detect the static linking issue of ubsan, see also:
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
+cat > $TMPC << EOF
+#include <stdint.h>
+int main(void) {
+  return INT32_MIN / -1;
+}
+EOF
 
 have_asan=no
 have_ubsan=no
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 14/48] sdhci: use error_propagate(local_err) in realize()
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (12 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 13/48] build-sys: check static linking of UBSAN Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 15/48] sdhci: add qtest to check the SD capabilities register Paolo Bonzini
                   ` (31 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

avoid the "errp && *errp" pattern (not recommended in "qapi/error.h" comments).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-2-f4bug@amsat.org>
---
 hw/sd/sdhci.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index ee95e78..3602286 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1302,10 +1302,12 @@ static Property sdhci_pci_properties[] = {
 static void sdhci_pci_realize(PCIDevice *dev, Error **errp)
 {
     SDHCIState *s = PCI_SDHCI(dev);
+    Error *local_err = NULL;
 
     sdhci_initfn(s);
     sdhci_common_realize(s, errp);
-    if (errp && *errp) {
+    if (local_err) {
+        error_propagate(errp, local_err);
         return;
     }
 
@@ -1383,9 +1385,11 @@ static void sdhci_sysbus_realize(DeviceState *dev, Error ** errp)
 {
     SDHCIState *s = SYSBUS_SDHCI(dev);
     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+    Error *local_err = NULL;
 
     sdhci_common_realize(s, errp);
-    if (errp && *errp) {
+    if (local_err) {
+        error_propagate(errp, local_err);
         return;
     }
 
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 15/48] sdhci: add qtest to check the SD capabilities register
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (13 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 14/48] sdhci: use error_propagate(local_err) in realize() Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 16/48] sdhci: add check_capab_readonly() qtest Paolo Bonzini
                   ` (30 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

The PCI model is tested with the pc/x86_64 machine,
the SysBus model with the smdkc210/arm machine.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20180208164818.7961-3-f4bug@amsat.org>
---
 tests/Makefile.include |   3 ++
 tests/sdhci-test.c     | 143 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 146 insertions(+)
 create mode 100644 tests/sdhci-test.c

diff --git a/tests/Makefile.include b/tests/Makefile.include
index f41da23..52be9b3 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -294,6 +294,7 @@ check-qtest-i386-y += tests/migration-test$(EXESUF)
 check-qtest-i386-y += tests/test-x86-cpuid-compat$(EXESUF)
 check-qtest-i386-y += tests/numa-test$(EXESUF)
 check-qtest-x86_64-y += $(check-qtest-i386-y)
+check-qtest-x86_64-y += tests/sdhci-test$(EXESUF)
 gcov-files-i386-y += i386-softmmu/hw/timer/mc146818rtc.c
 gcov-files-x86_64-y = $(subst i386-softmmu/,x86_64-softmmu/,$(gcov-files-i386-y))
 
@@ -367,6 +368,7 @@ gcov-files-arm-y += arm-softmmu/hw/block/virtio-blk.c
 check-qtest-arm-y += tests/test-arm-mptimer$(EXESUF)
 gcov-files-arm-y += hw/timer/arm_mptimer.c
 check-qtest-arm-y += tests/boot-serial-test$(EXESUF)
+check-qtest-arm-y += tests/sdhci-test$(EXESUF)
 
 check-qtest-aarch64-y = tests/numa-test$(EXESUF)
 
@@ -822,6 +824,7 @@ tests/test-arm-mptimer$(EXESUF): tests/test-arm-mptimer.o
 tests/test-qapi-util$(EXESUF): tests/test-qapi-util.o $(test-util-obj-y)
 tests/numa-test$(EXESUF): tests/numa-test.o
 tests/vmgenid-test$(EXESUF): tests/vmgenid-test.o tests/boot-sector.o tests/acpi-utils.o
+tests/sdhci-test$(EXESUF): tests/sdhci-test.o $(libqos-pc-obj-y)
 
 tests/migration/stress$(EXESUF): tests/migration/stress.o
 	$(call quiet-command, $(LINKPROG) -static -O3 $(PTHREAD_LIB) -o $@ $< ,"LINK","$(TARGET_DIR)$@")
diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
new file mode 100644
index 0000000..817d9c1
--- /dev/null
+++ b/tests/sdhci-test.c
@@ -0,0 +1,143 @@
+/*
+ * QTest testcase for SDHCI controllers
+ *
+ * Written by Philippe Mathieu-Daudé <f4bug@amsat.org>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include "qemu/osdep.h"
+#include "hw/registerfields.h"
+#include "libqtest.h"
+#include "libqos/pci-pc.h"
+#include "hw/pci/pci.h"
+
+#define SDHC_CAPAB                      0x40
+#define SDHC_HCVER                      0xFE
+
+static const struct sdhci_t {
+    const char *arch, *machine;
+    struct {
+        uintptr_t addr;
+        uint8_t version;
+        uint8_t baseclock;
+        struct {
+            bool sdma;
+            uint64_t reg;
+        } capab;
+    } sdhci;
+    struct {
+        uint16_t vendor_id, device_id;
+    } pci;
+} models[] = {
+    /* PC via PCI */
+    { "x86_64", "pc",
+        {-1,         2, 0,  {1, 0x057834b4} },
+        .pci = { PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_SDHCI } },
+
+    /* Exynos4210 */
+    { "arm",    "smdkc210",
+        {0x12510000, 2, 0,  {1, 0x5e80080} } },
+};
+
+typedef struct QSDHCI {
+    struct {
+        QPCIBus *bus;
+        QPCIDevice *dev;
+    } pci;
+    union {
+        QPCIBar mem_bar;
+        uint64_t addr;
+    };
+} QSDHCI;
+
+static uint64_t sdhci_readq(QSDHCI *s, uint32_t reg)
+{
+    uint64_t val;
+
+    if (s->pci.dev) {
+        qpci_memread(s->pci.dev, s->mem_bar, reg, &val, sizeof(val));
+    } else {
+        val = qtest_readq(global_qtest, s->addr + reg);
+    }
+
+    return val;
+}
+
+static void check_capab_capareg(QSDHCI *s, uint64_t expec_capab)
+{
+    uint64_t capab;
+
+    capab = sdhci_readq(s, SDHC_CAPAB);
+    g_assert_cmphex(capab, ==, expec_capab);
+}
+
+static QSDHCI *machine_start(const struct sdhci_t *test)
+{
+    QSDHCI *s = g_new0(QSDHCI, 1);
+
+    if (test->pci.vendor_id) {
+        /* PCI */
+        uint16_t vendor_id, device_id;
+        uint64_t barsize;
+
+        global_qtest = qtest_startf("-machine %s -device sdhci-pci",
+                                    test->machine);
+
+        s->pci.bus = qpci_init_pc(NULL);
+
+        /* Find PCI device and verify it's the right one */
+        s->pci.dev = qpci_device_find(s->pci.bus, QPCI_DEVFN(4, 0));
+        g_assert_nonnull(s->pci.dev);
+        vendor_id = qpci_config_readw(s->pci.dev, PCI_VENDOR_ID);
+        device_id = qpci_config_readw(s->pci.dev, PCI_DEVICE_ID);
+        g_assert(vendor_id == test->pci.vendor_id);
+        g_assert(device_id == test->pci.device_id);
+        s->mem_bar = qpci_iomap(s->pci.dev, 0, &barsize);
+        qpci_device_enable(s->pci.dev);
+    } else {
+        /* SysBus */
+        global_qtest = qtest_startf("-machine %s", test->machine);
+        s->addr = test->sdhci.addr;
+    }
+
+    return s;
+}
+
+static void machine_stop(QSDHCI *s)
+{
+    g_free(s->pci.dev);
+    qtest_quit(global_qtest);
+}
+
+static void test_machine(const void *data)
+{
+    const struct sdhci_t *test = data;
+    QSDHCI *s;
+
+    s = machine_start(test);
+
+    check_capab_capareg(s, test->sdhci.capab.reg);
+
+    machine_stop(s);
+}
+
+int main(int argc, char *argv[])
+{
+    const char *arch = qtest_get_arch();
+    char *name;
+    int i;
+
+    g_test_init(&argc, &argv, NULL);
+    for (i = 0; i < ARRAY_SIZE(models); i++) {
+        if (strcmp(arch, models[i].arch)) {
+            continue;
+        }
+        name = g_strdup_printf("sdhci/%s", models[i].machine);
+        qtest_add_data_func(name, &models[i], test_machine);
+        g_free(name);
+    }
+
+    return g_test_run();
+}
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 16/48] sdhci: add check_capab_readonly() qtest
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (14 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 15/48] sdhci: add qtest to check the SD capabilities register Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 17/48] sdhci: add a check_capab_baseclock() qtest Paolo Bonzini
                   ` (29 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20180208164818.7961-4-f4bug@amsat.org>
---
 tests/sdhci-test.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
index 817d9c1..0dd3e8a 100644
--- a/tests/sdhci-test.c
+++ b/tests/sdhci-test.c
@@ -65,6 +65,15 @@ static uint64_t sdhci_readq(QSDHCI *s, uint32_t reg)
     return val;
 }
 
+static void sdhci_writeq(QSDHCI *s, uint32_t reg, uint64_t val)
+{
+    if (s->pci.dev) {
+        qpci_memwrite(s->pci.dev, s->mem_bar, reg, &val, sizeof(val));
+    } else {
+        qtest_writeq(global_qtest, s->addr + reg, val);
+    }
+}
+
 static void check_capab_capareg(QSDHCI *s, uint64_t expec_capab)
 {
     uint64_t capab;
@@ -73,6 +82,20 @@ static void check_capab_capareg(QSDHCI *s, uint64_t expec_capab)
     g_assert_cmphex(capab, ==, expec_capab);
 }
 
+static void check_capab_readonly(QSDHCI *s)
+{
+    const uint64_t vrand = 0x123456789abcdef;
+    uint64_t capab0, capab1;
+
+    capab0 = sdhci_readq(s, SDHC_CAPAB);
+    g_assert_cmpuint(capab0, !=, vrand);
+
+    sdhci_writeq(s, SDHC_CAPAB, vrand);
+    capab1 = sdhci_readq(s, SDHC_CAPAB);
+    g_assert_cmpuint(capab1, !=, vrand);
+    g_assert_cmpuint(capab1, ==, capab0);
+}
+
 static QSDHCI *machine_start(const struct sdhci_t *test)
 {
     QSDHCI *s = g_new0(QSDHCI, 1);
@@ -119,6 +142,7 @@ static void test_machine(const void *data)
     s = machine_start(test);
 
     check_capab_capareg(s, test->sdhci.capab.reg);
+    check_capab_readonly(s);
 
     machine_stop(s);
 }
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 17/48] sdhci: add a check_capab_baseclock() qtest
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (15 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 16/48] sdhci: add check_capab_readonly() qtest Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 18/48] sdhci: add a check_capab_sdma() qtest Paolo Bonzini
                   ` (28 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20180208164818.7961-5-f4bug@amsat.org>
---
 tests/sdhci-test.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
index 0dd3e8a..36d13be 100644
--- a/tests/sdhci-test.c
+++ b/tests/sdhci-test.c
@@ -14,6 +14,7 @@
 #include "hw/pci/pci.h"
 
 #define SDHC_CAPAB                      0x40
+FIELD(SDHC_CAPAB, BASECLKFREQ,               8, 8); /* since v2 */
 #define SDHC_HCVER                      0xFE
 
 static const struct sdhci_t {
@@ -96,6 +97,18 @@ static void check_capab_readonly(QSDHCI *s)
     g_assert_cmpuint(capab1, ==, capab0);
 }
 
+static void check_capab_baseclock(QSDHCI *s, uint8_t expec_freq)
+{
+    uint64_t capab, capab_freq;
+
+    if (!expec_freq) {
+        return;
+    }
+    capab = sdhci_readq(s, SDHC_CAPAB);
+    capab_freq = FIELD_EX64(capab, SDHC_CAPAB, BASECLKFREQ);
+    g_assert_cmpuint(capab_freq, ==, expec_freq);
+}
+
 static QSDHCI *machine_start(const struct sdhci_t *test)
 {
     QSDHCI *s = g_new0(QSDHCI, 1);
@@ -143,6 +156,7 @@ static void test_machine(const void *data)
 
     check_capab_capareg(s, test->sdhci.capab.reg);
     check_capab_readonly(s);
+    check_capab_baseclock(s, test->sdhci.baseclock);
 
     machine_stop(s);
 }
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 18/48] sdhci: add a check_capab_sdma() qtest
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (16 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 17/48] sdhci: add a check_capab_baseclock() qtest Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 19/48] sdhci: add qtest to check the SD Spec version Paolo Bonzini
                   ` (27 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20180208164818.7961-6-f4bug@amsat.org>
---
 tests/sdhci-test.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
index 36d13be..6fa3ddb 100644
--- a/tests/sdhci-test.c
+++ b/tests/sdhci-test.c
@@ -15,6 +15,7 @@
 
 #define SDHC_CAPAB                      0x40
 FIELD(SDHC_CAPAB, BASECLKFREQ,               8, 8); /* since v2 */
+FIELD(SDHC_CAPAB, SDMA,                     22, 1);
 #define SDHC_HCVER                      0xFE
 
 static const struct sdhci_t {
@@ -109,6 +110,15 @@ static void check_capab_baseclock(QSDHCI *s, uint8_t expec_freq)
     g_assert_cmpuint(capab_freq, ==, expec_freq);
 }
 
+static void check_capab_sdma(QSDHCI *s, bool supported)
+{
+    uint64_t capab, capab_sdma;
+
+    capab = sdhci_readq(s, SDHC_CAPAB);
+    capab_sdma = FIELD_EX64(capab, SDHC_CAPAB, SDMA);
+    g_assert_cmpuint(capab_sdma, ==, supported);
+}
+
 static QSDHCI *machine_start(const struct sdhci_t *test)
 {
     QSDHCI *s = g_new0(QSDHCI, 1);
@@ -156,6 +166,7 @@ static void test_machine(const void *data)
 
     check_capab_capareg(s, test->sdhci.capab.reg);
     check_capab_readonly(s);
+    check_capab_sdma(s, test->sdhci.capab.sdma);
     check_capab_baseclock(s, test->sdhci.baseclock);
 
     machine_stop(s);
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 19/48] sdhci: add qtest to check the SD Spec version
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (17 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 18/48] sdhci: add a check_capab_sdma() qtest Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 20/48] sdhci: add a 'spec_version property' (default to v2) Paolo Bonzini
                   ` (26 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20180208164818.7961-7-f4bug@amsat.org>
---
 tests/sdhci-test.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
index 6fa3ddb..3e9a5bf 100644
--- a/tests/sdhci-test.c
+++ b/tests/sdhci-test.c
@@ -54,6 +54,19 @@ typedef struct QSDHCI {
     };
 } QSDHCI;
 
+static uint32_t sdhci_readl(QSDHCI *s, uint32_t reg)
+{
+    uint32_t val;
+
+    if (s->pci.dev) {
+        qpci_memread(s->pci.dev, s->mem_bar, reg, &val, sizeof(val));
+    } else {
+        val = qtest_readl(global_qtest, s->addr + reg);
+    }
+
+    return val;
+}
+
 static uint64_t sdhci_readq(QSDHCI *s, uint32_t reg)
 {
     uint64_t val;
@@ -76,6 +89,16 @@ static void sdhci_writeq(QSDHCI *s, uint32_t reg, uint64_t val)
     }
 }
 
+static void check_specs_version(QSDHCI *s, uint8_t version)
+{
+    uint32_t v;
+
+    v = sdhci_readl(s, SDHC_HCVER);
+    v &= 0xff;
+    v += 1;
+    g_assert_cmpuint(v, ==, version);
+}
+
 static void check_capab_capareg(QSDHCI *s, uint64_t expec_capab)
 {
     uint64_t capab;
@@ -164,6 +187,7 @@ static void test_machine(const void *data)
 
     s = machine_start(test);
 
+    check_specs_version(s, test->sdhci.version);
     check_capab_capareg(s, test->sdhci.capab.reg);
     check_capab_readonly(s);
     check_capab_sdma(s, test->sdhci.capab.sdma);
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 20/48] sdhci: add a 'spec_version property' (default to v2)
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (18 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 19/48] sdhci: add qtest to check the SD Spec version Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 21/48] sdhci: use a numeric value for the default CAPAB register Paolo Bonzini
                   ` (25 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-8-f4bug@amsat.org>
---
 hw/sd/sdhci-internal.h |  4 ++--
 hw/sd/sdhci.c          | 27 +++++++++++++++++++++++----
 include/hw/sd/sdhci.h  |  2 ++
 3 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h
index 0991acd..6455648 100644
--- a/hw/sd/sdhci-internal.h
+++ b/hw/sd/sdhci-internal.h
@@ -216,9 +216,9 @@
 /* Slot interrupt status */
 #define SDHC_SLOT_INT_STATUS            0xFC
 
-/* HWInit Host Controller Version Register 0x0401 */
+/* HWInit Host Controller Version Register */
 #define SDHC_HCVER                      0xFE
-#define SD_HOST_SPECv2_VERS             0x2401
+#define SDHC_HCVER_VENDOR               0x24
 
 #define SDHC_REGISTERS_MAP_SIZE         0x100
 #define SDHC_INSERTION_DELAY            (NANOSECONDS_PER_SECOND)
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 3602286..17a1348 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -173,7 +173,8 @@ static void sdhci_reset(SDHCIState *s)
 
     timer_del(s->insert_timer);
     timer_del(s->transfer_timer);
-    /* Set all registers to 0. Capabilities registers are not cleared
+
+    /* Set all registers to 0. Capabilities/Version registers are not cleared
      * and assumed to always preserve their value, given to them during
      * initialization */
     memset(&s->sdmasysad, 0, (uintptr_t)&s->capareg - (uintptr_t)&s->sdmasysad);
@@ -918,7 +919,7 @@ static uint64_t sdhci_read(void *opaque, hwaddr offset, unsigned size)
         ret = (uint32_t)(s->admasysaddr >> 32);
         break;
     case SDHC_SLOT_INT_STATUS:
-        ret = (SD_HOST_SPECv2_VERS << 16) | sdhci_slotint(s);
+        ret = (s->version << 16) | sdhci_slotint(s);
         break;
     default:
         qemu_log_mask(LOG_UNIMP, "SDHC rd_%ub @0x%02" HWADDR_PRIx " "
@@ -1174,11 +1175,22 @@ static inline unsigned int sdhci_get_fifolen(SDHCIState *s)
     }
 }
 
+static void sdhci_init_readonly_registers(SDHCIState *s, Error **errp)
+{
+    if (s->sd_spec_version != 2) {
+        error_setg(errp, "Only Spec v2 is supported");
+        return;
+    }
+    s->version = (SDHC_HCVER_VENDOR << 8) | (s->sd_spec_version - 1);
+}
+
 /* --- qdev common --- */
 
 #define DEFINE_SDHCI_COMMON_PROPERTIES(_state) \
-    /* Capabilities registers provide information on supported features
-     * of this specific host controller implementation */ \
+    DEFINE_PROP_UINT8("sd-spec-version", _state, sd_spec_version, 2), \
+    \
+    /* Capabilities registers provide information on supported
+     * features of this specific host controller implementation */ \
     DEFINE_PROP_UINT64("capareg", _state, capareg, SDHC_CAPAB_REG_DEFAULT), \
     DEFINE_PROP_UINT64("maxcurr", _state, maxcurr, 0)
 
@@ -1206,6 +1218,13 @@ static void sdhci_uninitfn(SDHCIState *s)
 
 static void sdhci_common_realize(SDHCIState *s, Error **errp)
 {
+    Error *local_err = NULL;
+
+    sdhci_init_readonly_registers(s, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
+    }
     s->buf_maxsz = sdhci_get_fifolen(s);
     s->fifo_buffer = g_malloc0(s->buf_maxsz);
 
diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h
index f8d1ba3..2a26b46 100644
--- a/include/hw/sd/sdhci.h
+++ b/include/hw/sd/sdhci.h
@@ -78,6 +78,7 @@ typedef struct SDHCIState {
     /* Read-only registers */
     uint64_t capareg;      /* Capabilities Register */
     uint64_t maxcurr;      /* Maximum Current Capabilities Register */
+    uint16_t version;      /* Host Controller Version Register */
 
     uint8_t  *fifo_buffer; /* SD host i/o FIFO buffer */
     uint32_t buf_maxsz;
@@ -93,6 +94,7 @@ typedef struct SDHCIState {
     /* Configurable properties */
     bool pending_insert_quirk; /* Quirk for Raspberry Pi card insert int */
     uint32_t quirks;
+    uint8_t sd_spec_version;
 } SDHCIState;
 
 /*
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 21/48] sdhci: use a numeric value for the default CAPAB register
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (19 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 20/48] sdhci: add a 'spec_version property' (default to v2) Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 22/48] sdhci: simplify sdhci_get_fifolen() Paolo Bonzini
                   ` (24 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

using many #defines is not portable when scaling to different HCI.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-9-f4bug@amsat.org>
---
 hw/sd/sdhci.c | 74 +++++++++++++----------------------------------------------
 1 file changed, 16 insertions(+), 58 deletions(-)

diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 17a1348..491e624 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -38,67 +38,25 @@
 #define TYPE_SDHCI_BUS "sdhci-bus"
 #define SDHCI_BUS(obj) OBJECT_CHECK(SDBus, (obj), TYPE_SDHCI_BUS)
 
+#define MASKED_WRITE(reg, mask, val)  (reg = (reg & (mask)) | (val))
+
 /* Default SD/MMC host controller features information, which will be
  * presented in CAPABILITIES register of generic SD host controller at reset.
- * If not stated otherwise:
- * 0 - not supported, 1 - supported, other - prohibited.
+ *
+ * support:
+ * - 3.3v and 1.8v voltages
+ * - SDMA/ADMA1/ADMA2
+ * - high-speed
+ * max host controller R/W buffers size: 512B
+ * max clock frequency for SDclock: 52 MHz
+ * timeout clock frequency: 52 MHz
+ *
+ * does not support:
+ * - 3.0v voltage
+ * - 64-bit system bus
+ * - suspend/resume
  */
-#define SDHC_CAPAB_64BITBUS       0ul        /* 64-bit System Bus Support */
-#define SDHC_CAPAB_18V            1ul        /* Voltage support 1.8v */
-#define SDHC_CAPAB_30V            0ul        /* Voltage support 3.0v */
-#define SDHC_CAPAB_33V            1ul        /* Voltage support 3.3v */
-#define SDHC_CAPAB_SUSPRESUME     0ul        /* Suspend/resume support */
-#define SDHC_CAPAB_SDMA           1ul        /* SDMA support */
-#define SDHC_CAPAB_HIGHSPEED      1ul        /* High speed support */
-#define SDHC_CAPAB_ADMA1          1ul        /* ADMA1 support */
-#define SDHC_CAPAB_ADMA2          1ul        /* ADMA2 support */
-/* Maximum host controller R/W buffers size
- * Possible values: 512, 1024, 2048 bytes */
-#define SDHC_CAPAB_MAXBLOCKLENGTH 512ul
-/* Maximum clock frequency for SDclock in MHz
- * value in range 10-63 MHz, 0 - not defined */
-#define SDHC_CAPAB_BASECLKFREQ    52ul
-#define SDHC_CAPAB_TOUNIT         1ul  /* Timeout clock unit 0 - kHz, 1 - MHz */
-/* Timeout clock frequency 1-63, 0 - not defined */
-#define SDHC_CAPAB_TOCLKFREQ      52ul
-
-/* Now check all parameters and calculate CAPABILITIES REGISTER value */
-#if SDHC_CAPAB_64BITBUS > 1 || SDHC_CAPAB_18V > 1 || SDHC_CAPAB_30V > 1 ||     \
-    SDHC_CAPAB_33V > 1 || SDHC_CAPAB_SUSPRESUME > 1 || SDHC_CAPAB_SDMA > 1 ||  \
-    SDHC_CAPAB_HIGHSPEED > 1 || SDHC_CAPAB_ADMA2 > 1 || SDHC_CAPAB_ADMA1 > 1 ||\
-    SDHC_CAPAB_TOUNIT > 1
-#error Capabilities features can have value 0 or 1 only!
-#endif
-
-#if SDHC_CAPAB_MAXBLOCKLENGTH == 512
-#define MAX_BLOCK_LENGTH 0ul
-#elif SDHC_CAPAB_MAXBLOCKLENGTH == 1024
-#define MAX_BLOCK_LENGTH 1ul
-#elif SDHC_CAPAB_MAXBLOCKLENGTH == 2048
-#define MAX_BLOCK_LENGTH 2ul
-#else
-#error Max host controller block size can have value 512, 1024 or 2048 only!
-#endif
-
-#if (SDHC_CAPAB_BASECLKFREQ > 0 && SDHC_CAPAB_BASECLKFREQ < 10) || \
-    SDHC_CAPAB_BASECLKFREQ > 63
-#error SDclock frequency can have value in range 0, 10-63 only!
-#endif
-
-#if SDHC_CAPAB_TOCLKFREQ > 63
-#error Timeout clock frequency can have value in range 0-63 only!
-#endif
-
-#define SDHC_CAPAB_REG_DEFAULT                                 \
-   ((SDHC_CAPAB_64BITBUS << 28) | (SDHC_CAPAB_18V << 26) |     \
-    (SDHC_CAPAB_30V << 25) | (SDHC_CAPAB_33V << 24) |          \
-    (SDHC_CAPAB_SUSPRESUME << 23) | (SDHC_CAPAB_SDMA << 22) |  \
-    (SDHC_CAPAB_HIGHSPEED << 21) | (SDHC_CAPAB_ADMA1 << 20) |  \
-    (SDHC_CAPAB_ADMA2 << 19) | (MAX_BLOCK_LENGTH << 16) |      \
-    (SDHC_CAPAB_BASECLKFREQ << 8) | (SDHC_CAPAB_TOUNIT << 7) | \
-    (SDHC_CAPAB_TOCLKFREQ))
-
-#define MASKED_WRITE(reg, mask, val)  (reg = (reg & (mask)) | (val))
+#define SDHC_CAPAB_REG_DEFAULT 0x057834b4
 
 static uint8_t sdhci_slotint(SDHCIState *s)
 {
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 22/48] sdhci: simplify sdhci_get_fifolen()
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (20 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 21/48] sdhci: use a numeric value for the default CAPAB register Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 23/48] sdhci: check the Spec v1 capabilities correctness Paolo Bonzini
                   ` (23 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-10-f4bug@amsat.org>
---
 hw/sd/sdhci-internal.h |  4 +++-
 hw/sd/sdhci.c          | 20 +++++---------------
 2 files changed, 8 insertions(+), 16 deletions(-)

diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h
index 6455648..def1c7f 100644
--- a/hw/sd/sdhci-internal.h
+++ b/hw/sd/sdhci-internal.h
@@ -24,6 +24,8 @@
 #ifndef SDHCI_INTERNAL_H
 #define SDHCI_INTERNAL_H
 
+#include "hw/registerfields.h"
+
 /* R/W SDMA System Address register 0x0 */
 #define SDHC_SYSAD                     0x00
 
@@ -185,7 +187,7 @@
 #define SDHC_CAN_DO_ADMA2              0x00080000
 #define SDHC_CAN_DO_ADMA1              0x00100000
 #define SDHC_64_BIT_BUS_SUPPORT        (1 << 28)
-#define SDHC_CAPAB_BLOCKSIZE(x)        (((x) >> 16) & 0x3)
+FIELD(SDHC_CAPAB, MAXBLOCKLENGTH,     16, 2);
 
 /* HWInit Maximum Current Capabilities Register 0x0 */
 #define SDHC_MAXCURR                   0x48
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 491e624..f22ed91 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -58,6 +58,11 @@
  */
 #define SDHC_CAPAB_REG_DEFAULT 0x057834b4
 
+static inline unsigned int sdhci_get_fifolen(SDHCIState *s)
+{
+    return 1 << (9 + FIELD_EX32(s->capareg, SDHC_CAPAB, MAXBLOCKLENGTH));
+}
+
 static uint8_t sdhci_slotint(SDHCIState *s)
 {
     return (s->norintsts & s->norintsigen) || (s->errintsts & s->errintsigen) ||
@@ -1118,21 +1123,6 @@ static const MemoryRegionOps sdhci_mmio_ops = {
     .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
-static inline unsigned int sdhci_get_fifolen(SDHCIState *s)
-{
-    switch (SDHC_CAPAB_BLOCKSIZE(s->capareg)) {
-    case 0:
-        return 512;
-    case 1:
-        return 1024;
-    case 2:
-        return 2048;
-    default:
-        hw_error("SDHC: unsupported value for maximum block size\n");
-        return 0;
-    }
-}
-
 static void sdhci_init_readonly_registers(SDHCIState *s, Error **errp)
 {
     if (s->sd_spec_version != 2) {
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 23/48] sdhci: check the Spec v1 capabilities correctness
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (21 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 22/48] sdhci: simplify sdhci_get_fifolen() Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 25/48] sdhci: Fix 64-bit ADMA2 Paolo Bonzini
                   ` (22 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Incorrect value will throw an error.

Note than Spec v2 is supported by default.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-11-f4bug@amsat.org>
---
 hw/sd/sdhci-internal.h | 20 ++++++++++-
 hw/sd/sdhci.c          | 97 +++++++++++++++++++++++++++++++++++++++++++++++++-
 hw/sd/trace-events     |  1 +
 3 files changed, 116 insertions(+), 2 deletions(-)

diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h
index def1c7f..f3d54fd 100644
--- a/hw/sd/sdhci-internal.h
+++ b/hw/sd/sdhci-internal.h
@@ -87,6 +87,8 @@
 /* R/W Host control Register 0x0 */
 #define SDHC_HOSTCTL                   0x28
 #define SDHC_CTRL_LED                  0x01
+#define SDHC_CTRL_DATATRANSFERWIDTH    0x02 /* SD mode only */
+#define SDHC_CTRL_HIGH_SPEED           0x04
 #define SDHC_CTRL_DMA_CHECK_MASK       0x18
 #define SDHC_CTRL_SDMA                 0x00
 #define SDHC_CTRL_ADMA1_32             0x08
@@ -102,6 +104,7 @@
 /* R/W Power Control Register 0x0 */
 #define SDHC_PWRCON                    0x29
 #define SDHC_POWER_ON                  (1 << 0)
+FIELD(SDHC_PWRCON, BUS_VOLTAGE,        1, 3);
 
 /* R/W Block Gap Control Register 0x0 */
 #define SDHC_BLKGAP                    0x2A
@@ -124,6 +127,7 @@
 
 /* R/W Timeout Control Register 0x0 */
 #define SDHC_TIMEOUTCON                0x2E
+FIELD(SDHC_TIMEOUTCON, COUNTER,        0, 4);
 
 /* R/W Software Reset Register 0x0 */
 #define SDHC_SWRST                     0x2F
@@ -180,17 +184,31 @@
 
 /* ROC Auto CMD12 error status register 0x0 */
 #define SDHC_ACMD12ERRSTS              0x3C
+FIELD(SDHC_ACMD12ERRSTS, TIMEOUT_ERR,  1, 1);
+FIELD(SDHC_ACMD12ERRSTS, CRC_ERR,      2, 1);
+FIELD(SDHC_ACMD12ERRSTS, INDEX_ERR,    4, 1);
 
 /* HWInit Capabilities Register 0x05E80080 */
 #define SDHC_CAPAB                     0x40
-#define SDHC_CAN_DO_DMA                0x00400000
 #define SDHC_CAN_DO_ADMA2              0x00080000
 #define SDHC_CAN_DO_ADMA1              0x00100000
 #define SDHC_64_BIT_BUS_SUPPORT        (1 << 28)
+FIELD(SDHC_CAPAB, TOCLKFREQ,           0, 6);
+FIELD(SDHC_CAPAB, TOUNIT,              7, 1);
+FIELD(SDHC_CAPAB, BASECLKFREQ,         8, 8);
 FIELD(SDHC_CAPAB, MAXBLOCKLENGTH,     16, 2);
+FIELD(SDHC_CAPAB, HIGHSPEED,          21, 1);
+FIELD(SDHC_CAPAB, SDMA,               22, 1);
+FIELD(SDHC_CAPAB, SUSPRESUME,         23, 1);
+FIELD(SDHC_CAPAB, V33,                24, 1);
+FIELD(SDHC_CAPAB, V30,                25, 1);
+FIELD(SDHC_CAPAB, V18,                26, 1);
 
 /* HWInit Maximum Current Capabilities Register 0x0 */
 #define SDHC_MAXCURR                   0x48
+FIELD(SDHC_MAXCURR, V33_VDD1,          0, 8);
+FIELD(SDHC_MAXCURR, V30_VDD1,          8, 8);
+FIELD(SDHC_MAXCURR, V18_VDD1,         16, 8);
 
 /* W Force Event Auto CMD12 Error Interrupt Register 0x0000 */
 #define SDHC_FEAER                     0x50
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index f22ed91..116565a 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -23,6 +23,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "hw/hw.h"
 #include "sysemu/block-backend.h"
@@ -63,6 +64,92 @@ static inline unsigned int sdhci_get_fifolen(SDHCIState *s)
     return 1 << (9 + FIELD_EX32(s->capareg, SDHC_CAPAB, MAXBLOCKLENGTH));
 }
 
+/* return true on error */
+static bool sdhci_check_capab_freq_range(SDHCIState *s, const char *desc,
+                                         uint8_t freq, Error **errp)
+{
+    switch (freq) {
+    case 0:
+    case 10 ... 63:
+        break;
+    default:
+        error_setg(errp, "SD %s clock frequency can have value"
+                   "in range 0-63 only", desc);
+        return true;
+    }
+    return false;
+}
+
+static void sdhci_check_capareg(SDHCIState *s, Error **errp)
+{
+    uint64_t msk = s->capareg;
+    uint32_t val;
+    bool y;
+
+    switch (s->sd_spec_version) {
+    case 2: /* default version */
+
+    /* fallthrough */
+    case 1:
+        y = FIELD_EX64(s->capareg, SDHC_CAPAB, TOUNIT);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, TOUNIT, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, TOCLKFREQ);
+        trace_sdhci_capareg(y ? "timeout (MHz)" : "Timeout (KHz)", val);
+        if (sdhci_check_capab_freq_range(s, "timeout", val, errp)) {
+            return;
+        }
+        msk = FIELD_DP64(msk, SDHC_CAPAB, TOCLKFREQ, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, BASECLKFREQ);
+        trace_sdhci_capareg(y ? "base (MHz)" : "Base (KHz)", val);
+        if (sdhci_check_capab_freq_range(s, "base", val, errp)) {
+            return;
+        }
+        msk = FIELD_DP64(msk, SDHC_CAPAB, BASECLKFREQ, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, MAXBLOCKLENGTH);
+        if (val >= 3) {
+            error_setg(errp, "block size can be 512, 1024 or 2048 only");
+            return;
+        }
+        trace_sdhci_capareg("max block length", sdhci_get_fifolen(s));
+        msk = FIELD_DP64(msk, SDHC_CAPAB, MAXBLOCKLENGTH, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, HIGHSPEED);
+        trace_sdhci_capareg("high speed", val);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, HIGHSPEED, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, SDMA);
+        trace_sdhci_capareg("SDMA", val);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, SDMA, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, SUSPRESUME);
+        trace_sdhci_capareg("suspend/resume", val);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, SUSPRESUME, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, V33);
+        trace_sdhci_capareg("3.3v", val);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, V33, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, V30);
+        trace_sdhci_capareg("3.0v", val);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, V30, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, V18);
+        trace_sdhci_capareg("1.8v", val);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, V18, 0);
+        break;
+
+    default:
+        error_setg(errp, "Unsupported spec version: %u", s->sd_spec_version);
+    }
+    if (msk) {
+        qemu_log_mask(LOG_UNIMP,
+                      "SDHCI: unknown CAPAB mask: 0x%016" PRIx64 "\n", msk);
+    }
+}
+
 static uint8_t sdhci_slotint(SDHCIState *s)
 {
     return (s->norintsts & s->norintsigen) || (s->errintsts & s->errintsigen) ||
@@ -990,7 +1077,7 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
     case SDHC_TRNMOD:
         /* DMA can be enabled only if it is supported as indicated by
          * capabilities register */
-        if (!(s->capareg & SDHC_CAN_DO_DMA)) {
+        if (!(s->capareg & R_SDHC_CAPAB_SDMA_MASK)) {
             value &= ~SDHC_TRNS_DMA;
         }
         MASKED_WRITE(s->trnmod, mask, value & SDHC_TRNMOD_MASK);
@@ -1125,11 +1212,19 @@ static const MemoryRegionOps sdhci_mmio_ops = {
 
 static void sdhci_init_readonly_registers(SDHCIState *s, Error **errp)
 {
+    Error *local_err = NULL;
+
     if (s->sd_spec_version != 2) {
         error_setg(errp, "Only Spec v2 is supported");
         return;
     }
     s->version = (SDHC_HCVER_VENDOR << 8) | (s->sd_spec_version - 1);
+
+    sdhci_check_capareg(s, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
+    }
 }
 
 /* --- qdev common --- */
diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index 0a12115..78d8707 100644
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -13,6 +13,7 @@ sdhci_adma_transfer_completed(void) ""
 sdhci_access(const char *access, unsigned int size, uint64_t offset, const char *dir, uint64_t val, uint64_t val2) "%s%u: addr[0x%04" PRIx64 "] %s 0x%08" PRIx64 " (%" PRIu64 ")"
 sdhci_read_dataport(uint16_t data_count) "all %u bytes of data have been read from input buffer"
 sdhci_write_dataport(uint16_t data_count) "write buffer filled with %u bytes of data"
+sdhci_capareg(const char *desc, uint16_t val) "%s: %u"
 
 # hw/sd/milkymist-memcard.c
 milkymist_memcard_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 25/48] sdhci: Fix 64-bit ADMA2
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (22 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 23/48] sdhci: check the Spec v1 capabilities correctness Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 27/48] hw/arm/exynos4210: access the 64-bit capareg with qdev_prop_set_uint64() Paolo Bonzini
                   ` (21 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Sai Pavan Boddu

From: Sai Pavan Boddu <saipava@xilinx.com>

The 64-bit ADMA address is not converted to the cpu endianes correctly.
This patch fixes the issue and uses a valid mask for the attribute data.

Signed-off-by: Sai Pavan Boddu <saipava@xilinx.com>
[AF: Re-write commit message]
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-13-f4bug@amsat.org>
---
 hw/sd/sdhci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 1b3791c..a6322f2 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -667,8 +667,8 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr)
         dscr->length = le16_to_cpu(dscr->length);
         dma_memory_read(s->dma_as, entry_addr + 4,
                         (uint8_t *)(&dscr->addr), 8);
-        dscr->attr = le64_to_cpu(dscr->attr);
-        dscr->attr &= 0xfffffff8;
+        dscr->addr = le64_to_cpu(dscr->addr);
+        dscr->attr &= (uint8_t) ~0xC0;
         dscr->incr = 12;
         break;
     }
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 27/48] hw/arm/exynos4210: access the 64-bit capareg with qdev_prop_set_uint64()
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (23 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 25/48] sdhci: Fix 64-bit ADMA2 Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 28/48] hw/arm/exynos4210: add a comment about a very similar SDHCI (Spec. v2) Paolo Bonzini
                   ` (20 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

We only set a 32-bit value, but this is a good practice in case this
code is used as reference.

(missed in 5efc9016e52)

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-15-f4bug@amsat.org>
---
 hw/arm/exynos4210.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/arm/exynos4210.c b/hw/arm/exynos4210.c
index e8e1d81..d89322c 100644
--- a/hw/arm/exynos4210.c
+++ b/hw/arm/exynos4210.c
@@ -378,7 +378,7 @@ Exynos4210State *exynos4210_init(MemoryRegion *system_mem)
         DriveInfo *di;
 
         dev = qdev_create(NULL, TYPE_SYSBUS_SDHCI);
-        qdev_prop_set_uint32(dev, "capareg", EXYNOS4210_SDHCI_CAPABILITIES);
+        qdev_prop_set_uint64(dev, "capareg", EXYNOS4210_SDHCI_CAPABILITIES);
         qdev_init_nofail(dev);
 
         busdev = SYS_BUS_DEVICE(dev);
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 28/48] hw/arm/exynos4210: add a comment about a very similar SDHCI (Spec. v2)
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (24 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 27/48] hw/arm/exynos4210: access the 64-bit capareg with qdev_prop_set_uint64() Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 29/48] hw/arm/xilinx_zynq: fix the capabilities register to match the datasheet Paolo Bonzini
                   ` (19 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-16-f4bug@amsat.org>
---
 hw/arm/exynos4210.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/hw/arm/exynos4210.c b/hw/arm/exynos4210.c
index d89322c..06f9d1f 100644
--- a/hw/arm/exynos4210.c
+++ b/hw/arm/exynos4210.c
@@ -377,6 +377,18 @@ Exynos4210State *exynos4210_init(MemoryRegion *system_mem)
         BlockBackend *blk;
         DriveInfo *di;
 
+        /* Compatible with:
+         * - SD Host Controller Specification Version 2.0
+         * - SDIO Specification Version 2.0
+         * - MMC Specification Version 4.3
+         * - SDMA
+         * - ADMA2
+         *
+         * As this part of the Exynos4210 is not publically available,
+         * we used the "HS-MMC Controller S3C2416X RISC Microprocessor"
+         * public datasheet which is very similar (implementing
+         * MMC Specification Version 4.0 being the only difference noted)
+         */
         dev = qdev_create(NULL, TYPE_SYSBUS_SDHCI);
         qdev_prop_set_uint64(dev, "capareg", EXYNOS4210_SDHCI_CAPABILITIES);
         qdev_init_nofail(dev);
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 29/48] hw/arm/xilinx_zynq: fix the capabilities register to match the datasheet
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (25 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 28/48] hw/arm/exynos4210: add a comment about a very similar SDHCI (Spec. v2) Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 31/48] sdhci: rename the hostctl1 register Paolo Bonzini
                   ` (18 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

checking Xilinx datasheet "UG585" (v1.12.1)

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-17-f4bug@amsat.org>
---
 hw/arm/xilinx_zynq.c | 53 ++++++++++++++++++++++++++++------------------------
 tests/sdhci-test.c   |  5 +++++
 2 files changed, 34 insertions(+), 24 deletions(-)

diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
index 1836a4e..0f76333 100644
--- a/hw/arm/xilinx_zynq.c
+++ b/hw/arm/xilinx_zynq.c
@@ -61,6 +61,8 @@ static const int dma_irqs[8] = {
 #define SLCR_XILINX_UNLOCK_KEY  0xdf0d
 #define SLCR_XILINX_LOCK_KEY    0x767b
 
+#define ZYNQ_SDHCI_CAPABILITIES 0x69ec0080  /* Datasheet: UG585 (v1.12.1) */
+
 #define ARMV7_IMM16(x) (extract32((x),  0, 12) | \
                         extract32((x), 12,  4) << 16)
 
@@ -165,10 +167,8 @@ static void zynq_init(MachineState *machine)
     MemoryRegion *address_space_mem = get_system_memory();
     MemoryRegion *ext_ram = g_new(MemoryRegion, 1);
     MemoryRegion *ocm_ram = g_new(MemoryRegion, 1);
-    DeviceState *dev, *carddev;
+    DeviceState *dev;
     SysBusDevice *busdev;
-    DriveInfo *di;
-    BlockBackend *blk;
     qemu_irq pic[64];
     int n;
 
@@ -247,27 +247,32 @@ static void zynq_init(MachineState *machine)
     gem_init(&nd_table[0], 0xE000B000, pic[54-IRQ_OFFSET]);
     gem_init(&nd_table[1], 0xE000C000, pic[77-IRQ_OFFSET]);
 
-    dev = qdev_create(NULL, TYPE_SYSBUS_SDHCI);
-    qdev_init_nofail(dev);
-    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xE0100000);
-    sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[56-IRQ_OFFSET]);
-
-    di = drive_get_next(IF_SD);
-    blk = di ? blk_by_legacy_dinfo(di) : NULL;
-    carddev = qdev_create(qdev_get_child_bus(dev, "sd-bus"), TYPE_SD_CARD);
-    qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
-    object_property_set_bool(OBJECT(carddev), true, "realized", &error_fatal);
-
-    dev = qdev_create(NULL, TYPE_SYSBUS_SDHCI);
-    qdev_init_nofail(dev);
-    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xE0101000);
-    sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[79-IRQ_OFFSET]);
-
-    di = drive_get_next(IF_SD);
-    blk = di ? blk_by_legacy_dinfo(di) : NULL;
-    carddev = qdev_create(qdev_get_child_bus(dev, "sd-bus"), TYPE_SD_CARD);
-    qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
-    object_property_set_bool(OBJECT(carddev), true, "realized", &error_fatal);
+    for (n = 0; n < 2; n++) {
+        int hci_irq = n ? 79 : 56;
+        hwaddr hci_addr = n ? 0xE0101000 : 0xE0100000;
+        DriveInfo *di;
+        BlockBackend *blk;
+        DeviceState *carddev;
+
+        /* Compatible with:
+         * - SD Host Controller Specification Version 2.0 Part A2
+         * - SDIO Specification Version 2.0
+         * - MMC Specification Version 3.31
+         */
+        dev = qdev_create(NULL, TYPE_SYSBUS_SDHCI);
+        qdev_prop_set_uint8(dev, "sd-spec-version", 2);
+        qdev_prop_set_uint64(dev, "capareg", ZYNQ_SDHCI_CAPABILITIES);
+        qdev_init_nofail(dev);
+        sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, hci_addr);
+        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[hci_irq - IRQ_OFFSET]);
+
+        di = drive_get_next(IF_SD);
+        blk = di ? blk_by_legacy_dinfo(di) : NULL;
+        carddev = qdev_create(qdev_get_child_bus(dev, "sd-bus"), TYPE_SD_CARD);
+        qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
+        object_property_set_bool(OBJECT(carddev), true, "realized",
+                                 &error_fatal);
+    }
 
     dev = qdev_create(NULL, TYPE_ZYNQ_XADC);
     qdev_init_nofail(dev);
diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
index 3e9a5bf..18e8965 100644
--- a/tests/sdhci-test.c
+++ b/tests/sdhci-test.c
@@ -41,6 +41,11 @@ static const struct sdhci_t {
     /* Exynos4210 */
     { "arm",    "smdkc210",
         {0x12510000, 2, 0,  {1, 0x5e80080} } },
+
+    /* Zynq-7000 */
+    { "arm",    "xilinx-zynq-a9",   /* Datasheet: UG585 (v1.12.1) */
+        {0xe0100000, 2, 0,  {1, 0x69ec0080} } },
+
 };
 
 typedef struct QSDHCI {
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 31/48] sdhci: rename the hostctl1 register
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (26 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 29/48] hw/arm/xilinx_zynq: fix the capabilities register to match the datasheet Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 32/48] sdhci: implement the Host Control 2 register (tuning sequence) Paolo Bonzini
                   ` (17 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

As per the Spec v3.00

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-19-f4bug@amsat.org>
---
 hw/sd/sdhci.c         | 42 +++++++++++++++++++++---------------------
 include/hw/sd/sdhci.h |  2 +-
 2 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 844c5d5..55b3f3a 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -691,7 +691,7 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr)
     uint32_t adma1 = 0;
     uint64_t adma2 = 0;
     hwaddr entry_addr = (hwaddr)s->admasysaddr;
-    switch (SDHC_DMA_TYPE(s->hostctl)) {
+    switch (SDHC_DMA_TYPE(s->hostctl1)) {
     case SDHC_CTRL_ADMA2_32:
         dma_memory_read(s->dma_as, entry_addr, (uint8_t *)&adma2,
                         sizeof(adma2));
@@ -880,7 +880,7 @@ static void sdhci_data_transfer(void *opaque)
     SDHCIState *s = (SDHCIState *)opaque;
 
     if (s->trnmod & SDHC_TRNS_DMA) {
-        switch (SDHC_DMA_TYPE(s->hostctl)) {
+        switch (SDHC_DMA_TYPE(s->hostctl1)) {
         case SDHC_CTRL_SDMA:
             if ((s->blkcnt == 1) || !(s->trnmod & SDHC_TRNS_MULTI)) {
                 sdhci_sdma_transfer_single_block(s);
@@ -989,7 +989,7 @@ static uint64_t sdhci_read(void *opaque, hwaddr offset, unsigned size)
         ret = s->prnsts;
         break;
     case SDHC_HOSTCTL:
-        ret = s->hostctl | (s->pwrcon << 8) | (s->blkgap << 16) |
+        ret = s->hostctl1 | (s->pwrcon << 8) | (s->blkgap << 16) |
               (s->wakcon << 24);
         break;
     case SDHC_CLKCON:
@@ -1107,7 +1107,7 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
         MASKED_WRITE(s->sdmasysad, mask, value);
         /* Writing to last byte of sdmasysad might trigger transfer */
         if (!(mask & 0xFF000000) && TRANSFERRING_DATA(s->prnsts) && s->blkcnt &&
-                s->blksize && SDHC_DMA_TYPE(s->hostctl) == SDHC_CTRL_SDMA) {
+                s->blksize && SDHC_DMA_TYPE(s->hostctl1) == SDHC_CTRL_SDMA) {
             if (s->trnmod & SDHC_TRNS_MULTI) {
                 sdhci_sdma_transfer_multi_blocks(s);
             } else {
@@ -1159,7 +1159,7 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
         if (!(mask & 0xFF0000)) {
             sdhci_blkgap_write(s, value >> 16);
         }
-        MASKED_WRITE(s->hostctl, mask, value);
+        MASKED_WRITE(s->hostctl1, mask, value);
         MASKED_WRITE(s->pwrcon, mask >> 8, value >> 8);
         MASKED_WRITE(s->wakcon, mask >> 24, value >> 24);
         if (!(s->prnsts & SDHC_CARD_PRESENT) || ((s->pwrcon >> 1) & 0x7) < 5 ||
@@ -1380,7 +1380,7 @@ const VMStateDescription sdhci_vmstate = {
         VMSTATE_UINT16(cmdreg, SDHCIState),
         VMSTATE_UINT32_ARRAY(rspreg, SDHCIState, 4),
         VMSTATE_UINT32(prnsts, SDHCIState),
-        VMSTATE_UINT8(hostctl, SDHCIState),
+        VMSTATE_UINT8(hostctl1, SDHCIState),
         VMSTATE_UINT8(pwrcon, SDHCIState),
         VMSTATE_UINT8(blkgap, SDHCIState),
         VMSTATE_UINT8(wakcon, SDHCIState),
@@ -1586,7 +1586,7 @@ static uint64_t usdhc_read(void *opaque, hwaddr offset, unsigned size)
 {
     SDHCIState *s = SYSBUS_SDHCI(opaque);
     uint32_t ret;
-    uint16_t hostctl;
+    uint16_t hostctl1;
 
     switch (offset) {
     default:
@@ -1598,17 +1598,17 @@ static uint64_t usdhc_read(void *opaque, hwaddr offset, unsigned size)
          * manipulation code see comments in a similar part of
          * usdhc_write()
          */
-        hostctl = SDHC_DMA_TYPE(s->hostctl) << (8 - 3);
+        hostctl1 = SDHC_DMA_TYPE(s->hostctl1) << (8 - 3);
 
-        if (s->hostctl & SDHC_CTRL_8BITBUS) {
-            hostctl |= ESDHC_CTRL_8BITBUS;
+        if (s->hostctl1 & SDHC_CTRL_8BITBUS) {
+            hostctl1 |= ESDHC_CTRL_8BITBUS;
         }
 
-        if (s->hostctl & SDHC_CTRL_4BITBUS) {
-            hostctl |= ESDHC_CTRL_4BITBUS;
+        if (s->hostctl1 & SDHC_CTRL_4BITBUS) {
+            hostctl1 |= ESDHC_CTRL_4BITBUS;
         }
 
-        ret  = hostctl;
+        ret  = hostctl1;
         ret |= (uint32_t)s->blkgap << 16;
         ret |= (uint32_t)s->wakcon << 24;
 
@@ -1632,7 +1632,7 @@ static void
 usdhc_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
 {
     SDHCIState *s = SYSBUS_SDHCI(opaque);
-    uint8_t hostctl;
+    uint8_t hostctl1;
     uint32_t value = (uint32_t)val;
 
     switch (offset) {
@@ -1695,25 +1695,25 @@ usdhc_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
         /*
          * First, save bits 7 6 and 0 since they are identical
          */
-        hostctl = value & (SDHC_CTRL_LED |
-                           SDHC_CTRL_CDTEST_INS |
-                           SDHC_CTRL_CDTEST_EN);
+        hostctl1 = value & (SDHC_CTRL_LED |
+                            SDHC_CTRL_CDTEST_INS |
+                            SDHC_CTRL_CDTEST_EN);
         /*
          * Second, split "Data Transfer Width" from bits 2 and 1 in to
          * bits 5 and 1
          */
         if (value & ESDHC_CTRL_8BITBUS) {
-            hostctl |= SDHC_CTRL_8BITBUS;
+            hostctl1 |= SDHC_CTRL_8BITBUS;
         }
 
         if (value & ESDHC_CTRL_4BITBUS) {
-            hostctl |= ESDHC_CTRL_4BITBUS;
+            hostctl1 |= ESDHC_CTRL_4BITBUS;
         }
 
         /*
          * Third, move DMA select from bits 9 and 8 to bits 4 and 3
          */
-        hostctl |= SDHC_DMA_TYPE(value >> (8 - 3));
+        hostctl1 |= SDHC_DMA_TYPE(value >> (8 - 3));
 
         /*
          * Now place the corrected value into low 16-bit of the value
@@ -1724,7 +1724,7 @@ usdhc_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
          * kernel
          */
         value &= ~UINT16_MAX;
-        value |= hostctl;
+        value |= hostctl1;
         value |= (uint16_t)s->pwrcon << 8;
 
         sdhci_write(opaque, offset, value, size);
diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h
index 2a26b46..5459484 100644
--- a/include/hw/sd/sdhci.h
+++ b/include/hw/sd/sdhci.h
@@ -59,7 +59,7 @@ typedef struct SDHCIState {
     uint16_t cmdreg;       /* Command Register */
     uint32_t rspreg[4];    /* Response Registers 0-3 */
     uint32_t prnsts;       /* Present State Register */
-    uint8_t  hostctl;      /* Host Control Register */
+    uint8_t  hostctl1;     /* Host Control Register */
     uint8_t  pwrcon;       /* Power control Register */
     uint8_t  blkgap;       /* Block Gap Control Register */
     uint8_t  wakcon;       /* WakeUp Control Register */
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 32/48] sdhci: implement the Host Control 2 register (tuning sequence)
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (27 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 31/48] sdhci: rename the hostctl1 register Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 33/48] sdbus: add trace events Paolo Bonzini
                   ` (16 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

[based on a patch from Alistair Francis <alistair.francis@xilinx.com>
 from qemu/xilinx tag xilinx-v2015.2]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-20-f4bug@amsat.org>
---
 hw/sd/sdhci-internal.h | 10 ++++++++++
 hw/sd/sdhci.c          | 22 +++++++++++++++++++---
 include/hw/sd/sdhci.h  |  1 +
 3 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h
index 9ab1a71..b3f2692 100644
--- a/hw/sd/sdhci-internal.h
+++ b/hw/sd/sdhci-internal.h
@@ -188,6 +188,16 @@ FIELD(SDHC_ACMD12ERRSTS, TIMEOUT_ERR,  1, 1);
 FIELD(SDHC_ACMD12ERRSTS, CRC_ERR,      2, 1);
 FIELD(SDHC_ACMD12ERRSTS, INDEX_ERR,    4, 1);
 
+/* Host Control Register 2 (since v3) */
+#define SDHC_HOSTCTL2                  0x3E
+FIELD(SDHC_HOSTCTL2, UHS_MODE_SEL,     0, 3);
+FIELD(SDHC_HOSTCTL2, V18_ENA,          3, 1); /* UHS-I only */
+FIELD(SDHC_HOSTCTL2, DRIVER_STRENGTH,  4, 2); /* UHS-I only */
+FIELD(SDHC_HOSTCTL2, EXECUTE_TUNING,   6, 1); /* UHS-I only */
+FIELD(SDHC_HOSTCTL2, SAMPLING_CLKSEL,  7, 1); /* UHS-I only */
+FIELD(SDHC_HOSTCTL2, ASYNC_INT,       14, 1);
+FIELD(SDHC_HOSTCTL2, PRESET_ENA,      15, 1);
+
 /* HWInit Capabilities Register 0x05E80080 */
 #define SDHC_CAPAB                     0x40
 FIELD(SDHC_CAPAB, TOCLKFREQ,           0, 6);
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 55b3f3a..2712b82 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -408,14 +408,29 @@ static void sdhci_end_transfer(SDHCIState *s)
 static void sdhci_read_block_from_card(SDHCIState *s)
 {
     int index = 0;
+    uint8_t data;
+    const uint16_t blk_size = s->blksize & BLOCK_SIZE_MASK;
 
     if ((s->trnmod & SDHC_TRNS_MULTI) &&
             (s->trnmod & SDHC_TRNS_BLK_CNT_EN) && (s->blkcnt == 0)) {
         return;
     }
 
-    for (index = 0; index < (s->blksize & BLOCK_SIZE_MASK); index++) {
-        s->fifo_buffer[index] = sdbus_read_data(&s->sdbus);
+    for (index = 0; index < blk_size; index++) {
+        data = sdbus_read_data(&s->sdbus);
+        if (!FIELD_EX32(s->hostctl2, SDHC_HOSTCTL2, EXECUTE_TUNING)) {
+            /* Device is not in tunning */
+            s->fifo_buffer[index] = data;
+        }
+    }
+
+    if (FIELD_EX32(s->hostctl2, SDHC_HOSTCTL2, EXECUTE_TUNING)) {
+        /* Device is in tunning */
+        s->hostctl2 &= ~R_SDHC_HOSTCTL2_EXECUTE_TUNING_MASK;
+        s->hostctl2 |= R_SDHC_HOSTCTL2_SAMPLING_CLKSEL_MASK;
+        s->prnsts &= ~(SDHC_DAT_LINE_ACTIVE | SDHC_DOING_READ |
+                       SDHC_DATA_INHIBIT);
+        goto read_done;
     }
 
     /* New data now available for READ through Buffer Port Register */
@@ -440,6 +455,7 @@ static void sdhci_read_block_from_card(SDHCIState *s)
         }
     }
 
+read_done:
     sdhci_update_irq(s);
 }
 
@@ -1005,7 +1021,7 @@ static uint64_t sdhci_read(void *opaque, hwaddr offset, unsigned size)
         ret = s->norintsigen | (s->errintsigen << 16);
         break;
     case SDHC_ACMD12ERRSTS:
-        ret = s->acmd12errsts;
+        ret = s->acmd12errsts | (s->hostctl2 << 16);
         break;
     case SDHC_CAPAB:
         ret = (uint32_t)s->capareg;
diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h
index 5459484..fd606e9 100644
--- a/include/hw/sd/sdhci.h
+++ b/include/hw/sd/sdhci.h
@@ -73,6 +73,7 @@ typedef struct SDHCIState {
     uint16_t norintsigen;  /* Normal Interrupt Signal Enable Register */
     uint16_t errintsigen;  /* Error Interrupt Signal Enable Register */
     uint16_t acmd12errsts; /* Auto CMD12 error status register */
+    uint16_t hostctl2;     /* Host Control 2 */
     uint64_t admasysaddr;  /* ADMA System Address Register */
 
     /* Read-only registers */
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 33/48] sdbus: add trace events
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (28 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 32/48] sdhci: implement the Host Control 2 register (tuning sequence) Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 34/48] sdhci: implement UHS-I voltage switch Paolo Bonzini
                   ` (15 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-21-f4bug@amsat.org>
---
 hw/sd/core.c       | 14 ++++++++++++--
 hw/sd/trace-events |  5 +++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/hw/sd/core.c b/hw/sd/core.c
index 295dc44..498284f 100644
--- a/hw/sd/core.c
+++ b/hw/sd/core.c
@@ -23,6 +23,12 @@
 #include "hw/qdev-core.h"
 #include "sysemu/block-backend.h"
 #include "hw/sd/sd.h"
+#include "trace.h"
+
+static inline const char *sdbus_name(SDBus *sdbus)
+{
+    return sdbus->qbus.name;
+}
 
 static SDState *get_card(SDBus *sdbus)
 {
@@ -39,6 +45,7 @@ int sdbus_do_command(SDBus *sdbus, SDRequest *req, uint8_t *response)
 {
     SDState *card = get_card(sdbus);
 
+    trace_sdbus_command(sdbus_name(sdbus), req->cmd, req->arg, req->crc);
     if (card) {
         SDCardClass *sc = SD_CARD_GET_CLASS(card);
 
@@ -52,6 +59,7 @@ void sdbus_write_data(SDBus *sdbus, uint8_t value)
 {
     SDState *card = get_card(sdbus);
 
+    trace_sdbus_write(sdbus_name(sdbus), value);
     if (card) {
         SDCardClass *sc = SD_CARD_GET_CLASS(card);
 
@@ -62,14 +70,16 @@ void sdbus_write_data(SDBus *sdbus, uint8_t value)
 uint8_t sdbus_read_data(SDBus *sdbus)
 {
     SDState *card = get_card(sdbus);
+    uint8_t value = 0;
 
     if (card) {
         SDCardClass *sc = SD_CARD_GET_CLASS(card);
 
-        return sc->read_data(card);
+        value = sc->read_data(card);
     }
+    trace_sdbus_read(sdbus_name(sdbus), value);
 
-    return 0;
+    return value;
 }
 
 bool sdbus_data_ready(SDBus *sdbus)
diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index 78d8707..ea2746c 100644
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -1,5 +1,10 @@
 # See docs/devel/tracing.txt for syntax documentation.
 
+# hw/sd/core.c
+sdbus_command(const char *bus_name, uint8_t cmd, uint32_t arg, uint8_t crc) "@%s CMD%02d arg 0x%08x crc 0x%02x"
+sdbus_read(const char *bus_name, uint8_t value) "@%s value 0x%02x"
+sdbus_write(const char *bus_name, uint8_t value) "@%s value 0x%02x"
+
 # hw/sd/sdhci.c
 sdhci_set_inserted(const char *level) "card state changed: %s"
 sdhci_send_command(uint8_t cmd, uint32_t arg) "CMD%02u ARG[0x%08x]"
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 34/48] sdhci: implement UHS-I voltage switch
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (29 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 33/48] sdbus: add trace events Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 35/48] sdhci: implement CMD/DAT[] fields in the Present State register Paolo Bonzini
                   ` (14 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

[based on a patch from Alistair Francis <alistair.francis@xilinx.com>
 from qemu/xilinx tag xilinx-v2015.2]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-22-f4bug@amsat.org>
---
 hw/sd/core.c          | 13 +++++++++++++
 hw/sd/sd.c            | 13 +++++++++++++
 hw/sd/sdhci.c         | 12 +++++++++++-
 hw/sd/trace-events    |  1 +
 include/hw/sd/sd.h    | 16 ++++++++++++++++
 include/hw/sd/sdhci.h |  1 +
 6 files changed, 55 insertions(+), 1 deletion(-)

diff --git a/hw/sd/core.c b/hw/sd/core.c
index 498284f..6d198ea 100644
--- a/hw/sd/core.c
+++ b/hw/sd/core.c
@@ -41,6 +41,19 @@ static SDState *get_card(SDBus *sdbus)
     return SD_CARD(kid->child);
 }
 
+void sdbus_set_voltage(SDBus *sdbus, uint16_t millivolts)
+{
+    SDState *card = get_card(sdbus);
+
+    trace_sdbus_set_voltage(sdbus_name(sdbus), millivolts);
+    if (card) {
+        SDCardClass *sc = SD_CARD_GET_CLASS(card);
+
+        assert(sc->set_voltage);
+        sc->set_voltage(card, millivolts);
+    }
+}
+
 int sdbus_do_command(SDBus *sdbus, SDRequest *req, uint8_t *response)
 {
     SDState *card = get_card(sdbus);
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 73e405a..a8d7a52 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -128,6 +128,18 @@ struct SDState {
     bool enable;
 };
 
+static void sd_set_voltage(SDState *sd, uint16_t millivolts)
+{
+    switch (millivolts) {
+    case 3001 ... 3600: /* SD_VOLTAGE_3_3V */
+    case 2001 ... 3000: /* SD_VOLTAGE_3_0V */
+        break;
+    default:
+        qemu_log_mask(LOG_GUEST_ERROR, "SD card voltage not supported: %.3fV",
+                      millivolts / 1000.f);
+    }
+}
+
 static void sd_set_mode(SDState *sd)
 {
     switch (sd->state) {
@@ -1926,6 +1938,7 @@ static void sd_class_init(ObjectClass *klass, void *data)
     dc->reset = sd_reset;
     dc->bus_type = TYPE_SD_BUS;
 
+    sc->set_voltage = sd_set_voltage;
     sc->do_command = sd_do_command;
     sc->write_data = sd_write_data;
     sc->read_data = sd_read_data;
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 2712b82..5ca82cf 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1255,7 +1255,16 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
         sdhci_update_irq(s);
         break;
     case SDHC_ACMD12ERRSTS:
-        MASKED_WRITE(s->acmd12errsts, mask, value);
+        MASKED_WRITE(s->acmd12errsts, mask, value & UINT16_MAX);
+        if (s->uhs_mode >= UHS_I) {
+            MASKED_WRITE(s->hostctl2, mask >> 16, value >> 16);
+
+            if (FIELD_EX32(s->hostctl2, SDHC_HOSTCTL2, V18_ENA)) {
+                sdbus_set_voltage(&s->sdbus, SD_VOLTAGE_1_8V);
+            } else {
+                sdbus_set_voltage(&s->sdbus, SD_VOLTAGE_3_3V);
+            }
+        }
         break;
 
     case SDHC_CAPAB:
@@ -1310,6 +1319,7 @@ static void sdhci_init_readonly_registers(SDHCIState *s, Error **errp)
 
 #define DEFINE_SDHCI_COMMON_PROPERTIES(_state) \
     DEFINE_PROP_UINT8("sd-spec-version", _state, sd_spec_version, 2), \
+    DEFINE_PROP_UINT8("uhs", _state, uhs_mode, UHS_NOT_SUPPORTED), \
     \
     /* Capabilities registers provide information on supported
      * features of this specific host controller implementation */ \
diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index ea2746c..84d2f39 100644
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -4,6 +4,7 @@
 sdbus_command(const char *bus_name, uint8_t cmd, uint32_t arg, uint8_t crc) "@%s CMD%02d arg 0x%08x crc 0x%02x"
 sdbus_read(const char *bus_name, uint8_t value) "@%s value 0x%02x"
 sdbus_write(const char *bus_name, uint8_t value) "@%s value 0x%02x"
+sdbus_set_voltage(const char *bus_name, uint16_t millivolts) "@%s %u (mV)"
 
 # hw/sd/sdhci.c
 sdhci_set_inserted(const char *level) "card state changed: %s"
diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h
index 96caefe..f086679 100644
--- a/include/hw/sd/sd.h
+++ b/include/hw/sd/sd.h
@@ -56,6 +56,20 @@
 #define OCR_CCS_BITN        30
 
 typedef enum {
+    SD_VOLTAGE_0_4V     = 400,  /* currently not supported */
+    SD_VOLTAGE_1_8V     = 1800,
+    SD_VOLTAGE_3_0V     = 3000,
+    SD_VOLTAGE_3_3V     = 3300,
+} sd_voltage_mv_t;
+
+typedef enum  {
+    UHS_NOT_SUPPORTED   = 0,
+    UHS_I               = 1,
+    UHS_II              = 2,    /* currently not supported */
+    UHS_III             = 3,    /* currently not supported */
+} sd_uhs_mode_t;
+
+typedef enum {
     sd_none = -1,
     sd_bc = 0,	/* broadcast -- no response */
     sd_bcr,	/* broadcast with response */
@@ -88,6 +102,7 @@ typedef struct {
     void (*write_data)(SDState *sd, uint8_t value);
     uint8_t (*read_data)(SDState *sd);
     bool (*data_ready)(SDState *sd);
+    void (*set_voltage)(SDState *sd, uint16_t millivolts);
     void (*enable)(SDState *sd, bool enable);
     bool (*get_inserted)(SDState *sd);
     bool (*get_readonly)(SDState *sd);
@@ -134,6 +149,7 @@ void sd_enable(SDState *sd, bool enable);
 /* Functions to be used by qdevified callers (working via
  * an SDBus rather than directly with SDState)
  */
+void sdbus_set_voltage(SDBus *sdbus, uint16_t millivolts);
 int sdbus_do_command(SDBus *sd, SDRequest *req, uint8_t *response);
 void sdbus_write_data(SDBus *sd, uint8_t value);
 uint8_t sdbus_read_data(SDBus *sd);
diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h
index fd606e9..f321767 100644
--- a/include/hw/sd/sdhci.h
+++ b/include/hw/sd/sdhci.h
@@ -96,6 +96,7 @@ typedef struct SDHCIState {
     bool pending_insert_quirk; /* Quirk for Raspberry Pi card insert int */
     uint32_t quirks;
     uint8_t sd_spec_version;
+    uint8_t uhs_mode;
 } SDHCIState;
 
 /*
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 35/48] sdhci: implement CMD/DAT[] fields in the Present State register
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (30 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 34/48] sdhci: implement UHS-I voltage switch Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 36/48] hw/arm/bcm2835_peripherals: implement SDHCI Spec v3 Paolo Bonzini
                   ` (13 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

[based on a patch from Alistair Francis <alistair.francis@xilinx.com>
 from qemu/xilinx tag xilinx-v2015.2]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-23-f4bug@amsat.org>
---
 hw/sd/core.c           | 34 ++++++++++++++++++++++++++++++++++
 hw/sd/sd.c             | 16 ++++++++++++++++
 hw/sd/sdhci-internal.h |  2 ++
 hw/sd/sdhci.c          |  4 ++++
 hw/sd/trace-events     |  2 ++
 include/hw/sd/sd.h     |  4 ++++
 6 files changed, 62 insertions(+)

diff --git a/hw/sd/core.c b/hw/sd/core.c
index 6d198ea..3c6eae6 100644
--- a/hw/sd/core.c
+++ b/hw/sd/core.c
@@ -41,6 +41,40 @@ static SDState *get_card(SDBus *sdbus)
     return SD_CARD(kid->child);
 }
 
+uint8_t sdbus_get_dat_lines(SDBus *sdbus)
+{
+    SDState *slave = get_card(sdbus);
+    uint8_t dat_lines = 0b1111; /* 4 bit bus width */
+
+    if (slave) {
+        SDCardClass *sc = SD_CARD_GET_CLASS(slave);
+
+        if (sc->get_dat_lines) {
+            dat_lines = sc->get_dat_lines(slave);
+        }
+    }
+    trace_sdbus_get_dat_lines(sdbus_name(sdbus), dat_lines);
+
+    return dat_lines;
+}
+
+bool sdbus_get_cmd_line(SDBus *sdbus)
+{
+    SDState *slave = get_card(sdbus);
+    bool cmd_line = true;
+
+    if (slave) {
+        SDCardClass *sc = SD_CARD_GET_CLASS(slave);
+
+        if (sc->get_cmd_line) {
+            cmd_line = sc->get_cmd_line(slave);
+        }
+    }
+    trace_sdbus_get_cmd_line(sdbus_name(sdbus), cmd_line);
+
+    return cmd_line;
+}
+
 void sdbus_set_voltage(SDBus *sdbus, uint16_t millivolts)
 {
     SDState *card = get_card(sdbus);
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index a8d7a52..9ac9b63 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -126,8 +126,20 @@ struct SDState {
     BlockBackend *blk;
 
     bool enable;
+    uint8_t dat_lines;
+    bool cmd_line;
 };
 
+static uint8_t sd_get_dat_lines(SDState *sd)
+{
+    return sd->enable ? sd->dat_lines : 0;
+}
+
+static bool sd_get_cmd_line(SDState *sd)
+{
+    return sd->enable ? sd->cmd_line : false;
+}
+
 static void sd_set_voltage(SDState *sd, uint16_t millivolts)
 {
     switch (millivolts) {
@@ -457,6 +469,8 @@ static void sd_reset(DeviceState *dev)
     sd->blk_len = 0x200;
     sd->pwd_len = 0;
     sd->expecting_acmd = false;
+    sd->dat_lines = 0xf;
+    sd->cmd_line = true;
     sd->multi_blk_cnt = 0;
 }
 
@@ -1939,6 +1953,8 @@ static void sd_class_init(ObjectClass *klass, void *data)
     dc->bus_type = TYPE_SD_BUS;
 
     sc->set_voltage = sd_set_voltage;
+    sc->get_dat_lines = sd_get_dat_lines;
+    sc->get_cmd_line = sd_get_cmd_line;
     sc->do_command = sd_do_command;
     sc->write_data = sd_write_data;
     sc->read_data = sd_read_data;
diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h
index b3f2692..33e8768 100644
--- a/hw/sd/sdhci-internal.h
+++ b/hw/sd/sdhci-internal.h
@@ -82,6 +82,8 @@
 #define SDHC_CARD_PRESENT              0x00010000
 #define SDHC_CARD_DETECT               0x00040000
 #define SDHC_WRITE_PROTECT             0x00080000
+FIELD(SDHC_PRNSTS, DAT_LVL,            20, 4);
+FIELD(SDHC_PRNSTS, CMD_LVL,            24, 1);
 #define TRANSFERRING_DATA(x)           \
     ((x) & (SDHC_DOING_READ | SDHC_DOING_WRITE))
 
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 5ca82cf..1a6771b 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1003,6 +1003,10 @@ static uint64_t sdhci_read(void *opaque, hwaddr offset, unsigned size)
         break;
     case SDHC_PRNSTS:
         ret = s->prnsts;
+        ret = FIELD_DP32(ret, SDHC_PRNSTS, DAT_LVL,
+                         sdbus_get_dat_lines(&s->sdbus));
+        ret = FIELD_DP32(ret, SDHC_PRNSTS, CMD_LVL,
+                         sdbus_get_cmd_line(&s->sdbus));
         break;
     case SDHC_HOSTCTL:
         ret = s->hostctl1 | (s->pwrcon << 8) | (s->blkgap << 16) |
diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index 84d2f39..0f8536d 100644
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -5,6 +5,8 @@ sdbus_command(const char *bus_name, uint8_t cmd, uint32_t arg, uint8_t crc) "@%s
 sdbus_read(const char *bus_name, uint8_t value) "@%s value 0x%02x"
 sdbus_write(const char *bus_name, uint8_t value) "@%s value 0x%02x"
 sdbus_set_voltage(const char *bus_name, uint16_t millivolts) "@%s %u (mV)"
+sdbus_get_dat_lines(const char *bus_name, uint8_t dat_lines) "@%s dat_lines: %u"
+sdbus_get_cmd_line(const char *bus_name, bool cmd_line) "@%s cmd_line: %u"
 
 # hw/sd/sdhci.c
 sdhci_set_inserted(const char *level) "card state changed: %s"
diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h
index f086679..bf1eb07 100644
--- a/include/hw/sd/sd.h
+++ b/include/hw/sd/sd.h
@@ -103,6 +103,8 @@ typedef struct {
     uint8_t (*read_data)(SDState *sd);
     bool (*data_ready)(SDState *sd);
     void (*set_voltage)(SDState *sd, uint16_t millivolts);
+    uint8_t (*get_dat_lines)(SDState *sd);
+    bool (*get_cmd_line)(SDState *sd);
     void (*enable)(SDState *sd, bool enable);
     bool (*get_inserted)(SDState *sd);
     bool (*get_readonly)(SDState *sd);
@@ -150,6 +152,8 @@ void sd_enable(SDState *sd, bool enable);
  * an SDBus rather than directly with SDState)
  */
 void sdbus_set_voltage(SDBus *sdbus, uint16_t millivolts);
+uint8_t sdbus_get_dat_lines(SDBus *sdbus);
+bool sdbus_get_cmd_line(SDBus *sdbus);
 int sdbus_do_command(SDBus *sd, SDRequest *req, uint8_t *response);
 void sdbus_write_data(SDBus *sd, uint8_t value);
 uint8_t sdbus_read_data(SDBus *sd);
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 36/48] hw/arm/bcm2835_peripherals: implement SDHCI Spec v3
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (31 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 35/48] sdhci: implement CMD/DAT[] fields in the Present State register Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 37/48] hw/arm/bcm2835_peripherals: change maximum block size to 1kB Paolo Bonzini
                   ` (12 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-24-f4bug@amsat.org>
---
 hw/arm/bcm2835_peripherals.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c
index 12e0dd1..ca971e8 100644
--- a/hw/arm/bcm2835_peripherals.c
+++ b/hw/arm/bcm2835_peripherals.c
@@ -254,14 +254,19 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
     memory_region_add_subregion(&s->peri_mr, RNG_OFFSET,
                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0));
 
-    /* Extended Mass Media Controller */
-    object_property_set_int(OBJECT(&s->sdhci), BCM2835_SDHC_CAPAREG, "capareg",
-                            &err);
-    if (err) {
-        error_propagate(errp, err);
-        return;
-    }
-
+    /* Extended Mass Media Controller
+     *
+     * Compatible with:
+     * - SD Host Controller Specification Version 3.0 Draft 1.0
+     * - SDIO Specification Version 3.0
+     * - MMC Specification Version 4.4
+     *
+     * For the exact details please refer to the Arasan documentation:
+     *   SD3.0_Host_AHB_eMMC4.4_Usersguide_ver5.9_jan11_10.pdf
+     */
+    object_property_set_uint(OBJECT(&s->sdhci), 3, "sd-spec-version", &err);
+    object_property_set_uint(OBJECT(&s->sdhci), BCM2835_SDHC_CAPAREG, "capareg",
+                             &err);
     object_property_set_bool(OBJECT(&s->sdhci), true, "pending-insert-quirk",
                              &err);
     if (err) {
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 37/48] hw/arm/bcm2835_peripherals: change maximum block size to 1kB
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (32 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 36/48] hw/arm/bcm2835_peripherals: implement SDHCI Spec v3 Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 38/48] hw/arm/fsl-imx6: implement SDHCI Spec. v3 Paolo Bonzini
                   ` (11 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

following the datasheet.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-25-f4bug@amsat.org>
---
 hw/arm/bcm2835_peripherals.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c
index ca971e8..13b6397 100644
--- a/hw/arm/bcm2835_peripherals.c
+++ b/hw/arm/bcm2835_peripherals.c
@@ -19,7 +19,7 @@
 #define BCM2835_VC_PERI_BASE 0x7e000000
 
 /* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */
-#define BCM2835_SDHC_CAPAREG 0x52034b4
+#define BCM2835_SDHC_CAPAREG 0x52134b4
 
 static void bcm2835_peripherals_init(Object *obj)
 {
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 38/48] hw/arm/fsl-imx6: implement SDHCI Spec. v3
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (33 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 37/48] hw/arm/bcm2835_peripherals: change maximum block size to 1kB Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 39/48] hw/arm/xilinx_zynqmp: fix the capabilities/spec version to match the datasheet Paolo Bonzini
                   ` (10 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-26-f4bug@amsat.org>
---
 hw/arm/fsl-imx6.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hw/arm/fsl-imx6.c b/hw/arm/fsl-imx6.c
index e6559a8..b6ac72d 100644
--- a/hw/arm/fsl-imx6.c
+++ b/hw/arm/fsl-imx6.c
@@ -27,6 +27,8 @@
 #include "chardev/char.h"
 #include "qemu/error-report.h"
 
+#define IMX6_ESDHC_CAPABILITIES     0x057834b4
+
 #define NAME_SIZE 20
 
 static void fsl_imx6_init(Object *obj)
@@ -348,6 +350,11 @@ static void fsl_imx6_realize(DeviceState *dev, Error **errp)
             { FSL_IMX6_uSDHC4_ADDR, FSL_IMX6_uSDHC4_IRQ },
         };
 
+        /* UHS-I SDIO3.0 SDR104 1.8V ADMA */
+        object_property_set_uint(OBJECT(&s->esdhc[i]), 3, "sd-spec-version",
+                                 &err);
+        object_property_set_uint(OBJECT(&s->esdhc[i]), IMX6_ESDHC_CAPABILITIES,
+                                 "capareg", &err);
         object_property_set_bool(OBJECT(&s->esdhc[i]), true, "realized", &err);
         if (err) {
             error_propagate(errp, err);
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 39/48] hw/arm/xilinx_zynqmp: fix the capabilities/spec version to match the datasheet
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (34 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 38/48] hw/arm/fsl-imx6: implement SDHCI Spec. v3 Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 40/48] hw/arm/xilinx_zynqmp: enable the UHS-I mode Paolo Bonzini
                   ` (9 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

checking Xilinx datasheet "UG1085" (v1.7)

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-27-f4bug@amsat.org>
---
 hw/arm/xlnx-zynqmp.c | 29 ++++++++++++++++++-----------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index ca398c4..e39ad73 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -53,6 +53,8 @@
 #define IPI_ADDR            0xFF300000
 #define IPI_IRQ             64
 
+#define SDHCI_CAPABILITIES  0x280737ec6481 /* Datasheet: UG1085 (v1.7) */
+
 static const uint64_t gem_addr[XLNX_ZYNQMP_NUM_GEMS] = {
     0xFF0B0000, 0xFF0C0000, 0xFF0D0000, 0xFF0E0000,
 };
@@ -387,22 +389,27 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, gic_spi[SATA_INTR]);
 
     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
-        char *bus_name;
-
-        object_property_set_bool(OBJECT(&s->sdhci[i]), true,
-                                 "realized", &err);
+        char *bus_name = g_strdup_printf("sd-bus%d", i);
+        SysBusDevice *sbd = SYS_BUS_DEVICE(&s->sdhci[i]);
+        Object *sdhci = OBJECT(&s->sdhci[i]);
+
+        /* Compatible with:
+         * - SD Host Controller Specification Version 3.00
+         * - SDIO Specification Version 3.0
+         * - eMMC Specification Version 4.51
+         */
+        object_property_set_uint(sdhci, 3, "sd-spec-version", &err);
+        object_property_set_uint(sdhci, SDHCI_CAPABILITIES, "capareg", &err);
+        object_property_set_bool(sdhci, true, "realized", &err);
         if (err) {
             error_propagate(errp, err);
             return;
         }
-        sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci[i]), 0,
-                        sdhci_addr[i]);
-        sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci[i]), 0,
-                           gic_spi[sdhci_intr[i]]);
+        sysbus_mmio_map(sbd, 0, sdhci_addr[i]);
+        sysbus_connect_irq(sbd, 0, gic_spi[sdhci_intr[i]]);
+
         /* Alias controller SD bus to the SoC itself */
-        bus_name = g_strdup_printf("sd-bus%d", i);
-        object_property_add_alias(OBJECT(s), bus_name,
-                                  OBJECT(&s->sdhci[i]), "sd-bus",
+        object_property_add_alias(OBJECT(s), bus_name, sdhci, "sd-bus",
                                   &error_abort);
         g_free(bus_name);
     }
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 40/48] hw/arm/xilinx_zynqmp: enable the UHS-I mode
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (35 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 39/48] hw/arm/xilinx_zynqmp: fix the capabilities/spec version to match the datasheet Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 41/48] sdhci: check Spec v3 capabilities qtest Paolo Bonzini
                   ` (8 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

see the Xilinx datasheet "UG1085" (v1.7)

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-28-f4bug@amsat.org>
---
 hw/arm/xlnx-zynqmp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index e39ad73..4b93a3a 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -400,6 +400,7 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
          */
         object_property_set_uint(sdhci, 3, "sd-spec-version", &err);
         object_property_set_uint(sdhci, SDHCI_CAPABILITIES, "capareg", &err);
+        object_property_set_uint(sdhci, UHS_I, "uhs", &err);
         object_property_set_bool(sdhci, true, "realized", &err);
         if (err) {
             error_propagate(errp, err);
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 41/48] sdhci: check Spec v3 capabilities qtest
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (36 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 40/48] hw/arm/xilinx_zynqmp: enable the UHS-I mode Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 42/48] sdhci: add a check_capab_v3() qtest Paolo Bonzini
                   ` (7 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-29-f4bug@amsat.org>
---
 tests/Makefile.include |  1 +
 tests/sdhci-test.c     | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/tests/Makefile.include b/tests/Makefile.include
index 52be9b3..278c13a 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -371,6 +371,7 @@ check-qtest-arm-y += tests/boot-serial-test$(EXESUF)
 check-qtest-arm-y += tests/sdhci-test$(EXESUF)
 
 check-qtest-aarch64-y = tests/numa-test$(EXESUF)
+check-qtest-aarch64-y += tests/sdhci-test$(EXESUF)
 
 check-qtest-microblazeel-y = $(check-qtest-microblaze-y)
 
diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
index 18e8965..08bc5cd 100644
--- a/tests/sdhci-test.c
+++ b/tests/sdhci-test.c
@@ -42,10 +42,22 @@ static const struct sdhci_t {
     { "arm",    "smdkc210",
         {0x12510000, 2, 0,  {1, 0x5e80080} } },
 
+    /* i.MX 6 */
+    { "arm",    "sabrelite",
+        {0x02190000, 3, 0,  {1, 0x057834b4} } },
+
+    /* BCM2835 */
+    { "arm",    "raspi2",
+        {0x3f300000, 3, 52, {0, 0x052134b4} } },
+
     /* Zynq-7000 */
     { "arm",    "xilinx-zynq-a9",   /* Datasheet: UG585 (v1.12.1) */
         {0xe0100000, 2, 0,  {1, 0x69ec0080} } },
 
+    /* ZynqMP */
+    { "aarch64", "xlnx-zcu102",     /* Datasheet: UG1085 (v1.7) */
+        {0xff160000, 3, 0,  {1, 0x280737ec6481} } },
+
 };
 
 typedef struct QSDHCI {
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 42/48] sdhci: add a check_capab_v3() qtest
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (37 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 41/48] sdhci: check Spec v3 capabilities qtest Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 43/48] sdhci: add Spec v4.2 register definitions Paolo Bonzini
                   ` (6 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20180208164818.7961-30-f4bug@amsat.org>
---
 tests/sdhci-test.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
index 08bc5cd..4fdb1b4 100644
--- a/tests/sdhci-test.c
+++ b/tests/sdhci-test.c
@@ -16,6 +16,8 @@
 #define SDHC_CAPAB                      0x40
 FIELD(SDHC_CAPAB, BASECLKFREQ,               8, 8); /* since v2 */
 FIELD(SDHC_CAPAB, SDMA,                     22, 1);
+FIELD(SDHC_CAPAB, SDR,                      32, 3); /* since v3 */
+FIELD(SDHC_CAPAB, DRIVER,                   36, 3); /* since v3 */
 #define SDHC_HCVER                      0xFE
 
 static const struct sdhci_t {
@@ -159,6 +161,20 @@ static void check_capab_sdma(QSDHCI *s, bool supported)
     g_assert_cmpuint(capab_sdma, ==, supported);
 }
 
+static void check_capab_v3(QSDHCI *s, uint8_t version)
+{
+    uint64_t capab, capab_v3;
+
+    if (version < 3) {
+        /* before v3 those fields are RESERVED */
+        capab = sdhci_readq(s, SDHC_CAPAB);
+        capab_v3 = FIELD_EX64(capab, SDHC_CAPAB, SDR);
+        g_assert_cmpuint(capab_v3, ==, 0);
+        capab_v3 = FIELD_EX64(capab, SDHC_CAPAB, DRIVER);
+        g_assert_cmpuint(capab_v3, ==, 0);
+    }
+}
+
 static QSDHCI *machine_start(const struct sdhci_t *test)
 {
     QSDHCI *s = g_new0(QSDHCI, 1);
@@ -207,6 +223,7 @@ static void test_machine(const void *data)
     check_specs_version(s, test->sdhci.version);
     check_capab_capareg(s, test->sdhci.capab.reg);
     check_capab_readonly(s);
+    check_capab_v3(s, test->sdhci.version);
     check_capab_sdma(s, test->sdhci.capab.sdma);
     check_capab_baseclock(s, test->sdhci.baseclock);
 
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 43/48] sdhci: add Spec v4.2 register definitions
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (38 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 42/48] sdhci: add a check_capab_v3() qtest Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 44/48] g364fb: switch to using DirtyBitmapSnapshot Paolo Bonzini
                   ` (5 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180208164818.7961-31-f4bug@amsat.org>
---
 hw/sd/sdhci-internal.h |  9 +++++++++
 hw/sd/sdhci.c          | 16 +++++++++++++++-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h
index 33e8768..756ef3f 100644
--- a/hw/sd/sdhci-internal.h
+++ b/hw/sd/sdhci-internal.h
@@ -197,6 +197,10 @@ FIELD(SDHC_HOSTCTL2, V18_ENA,          3, 1); /* UHS-I only */
 FIELD(SDHC_HOSTCTL2, DRIVER_STRENGTH,  4, 2); /* UHS-I only */
 FIELD(SDHC_HOSTCTL2, EXECUTE_TUNING,   6, 1); /* UHS-I only */
 FIELD(SDHC_HOSTCTL2, SAMPLING_CLKSEL,  7, 1); /* UHS-I only */
+FIELD(SDHC_HOSTCTL2, UHS_II_ENA,       8, 1); /* since v4 */
+FIELD(SDHC_HOSTCTL2, ADMA2_LENGTH,    10, 1); /* since v4 */
+FIELD(SDHC_HOSTCTL2, CMD23_ENA,       11, 1); /* since v4 */
+FIELD(SDHC_HOSTCTL2, VERSION4,        12, 1); /* since v4 */
 FIELD(SDHC_HOSTCTL2, ASYNC_INT,       14, 1);
 FIELD(SDHC_HOSTCTL2, PRESET_ENA,      15, 1);
 
@@ -215,10 +219,12 @@ FIELD(SDHC_CAPAB, SUSPRESUME,         23, 1);
 FIELD(SDHC_CAPAB, V33,                24, 1);
 FIELD(SDHC_CAPAB, V30,                25, 1);
 FIELD(SDHC_CAPAB, V18,                26, 1);
+FIELD(SDHC_CAPAB, BUS64BIT_V4,        27, 1); /* since v4.10 */
 FIELD(SDHC_CAPAB, BUS64BIT,           28, 1); /* since v2 */
 FIELD(SDHC_CAPAB, ASYNC_INT,          29, 1); /* since v3 */
 FIELD(SDHC_CAPAB, SLOT_TYPE,          30, 2); /* since v3 */
 FIELD(SDHC_CAPAB, BUS_SPEED,          32, 3); /* since v3 */
+FIELD(SDHC_CAPAB, UHS_II,             35, 8); /* since v4.20 */
 FIELD(SDHC_CAPAB, DRIVER_STRENGTH,    36, 3); /* since v3 */
 FIELD(SDHC_CAPAB, DRIVER_TYPE_A,      36, 1); /* since v3 */
 FIELD(SDHC_CAPAB, DRIVER_TYPE_C,      37, 1); /* since v3 */
@@ -227,12 +233,15 @@ FIELD(SDHC_CAPAB, TIMER_RETUNING,     40, 4); /* since v3 */
 FIELD(SDHC_CAPAB, SDR50_TUNING,       45, 1); /* since v3 */
 FIELD(SDHC_CAPAB, RETUNING_MODE,      46, 2); /* since v3 */
 FIELD(SDHC_CAPAB, CLOCK_MULT,         48, 8); /* since v3 */
+FIELD(SDHC_CAPAB, ADMA3,              59, 1); /* since v4.20 */
+FIELD(SDHC_CAPAB, V18_VDD2,           60, 1); /* since v4.20 */
 
 /* HWInit Maximum Current Capabilities Register 0x0 */
 #define SDHC_MAXCURR                   0x48
 FIELD(SDHC_MAXCURR, V33_VDD1,          0, 8);
 FIELD(SDHC_MAXCURR, V30_VDD1,          8, 8);
 FIELD(SDHC_MAXCURR, V18_VDD1,         16, 8);
+FIELD(SDHC_MAXCURR, V18_VDD2,         32, 8); /* since v4.20 */
 
 /* W Force Event Auto CMD12 Error Interrupt Register 0x0000 */
 #define SDHC_FEAER                     0x50
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 1a6771b..97b4a47 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -91,6 +91,20 @@ static void sdhci_check_capareg(SDHCIState *s, Error **errp)
     bool y;
 
     switch (s->sd_spec_version) {
+    case 4:
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, BUS64BIT_V4);
+        trace_sdhci_capareg("64-bit system bus (v4)", val);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, BUS64BIT_V4, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, UHS_II);
+        trace_sdhci_capareg("UHS-II", val);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, UHS_II, 0);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, ADMA3);
+        trace_sdhci_capareg("ADMA3", val);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, ADMA3, 0);
+
+    /* fallthrough */
     case 3:
         val = FIELD_EX64(s->capareg, SDHC_CAPAB, ASYNC_INT);
         trace_sdhci_capareg("async interrupt", val);
@@ -145,7 +159,7 @@ static void sdhci_check_capareg(SDHCIState *s, Error **errp)
         msk = FIELD_DP64(msk, SDHC_CAPAB, ADMA1, 0);
 
         val = FIELD_EX64(s->capareg, SDHC_CAPAB, BUS64BIT);
-        trace_sdhci_capareg("64-bit system bus", val);
+        trace_sdhci_capareg("64-bit system bus (v3)", val);
         msk = FIELD_DP64(msk, SDHC_CAPAB, BUS64BIT, 0);
 
     /* fallthrough */
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 44/48] g364fb: switch to using DirtyBitmapSnapshot
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (39 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 43/48] sdhci: add Spec v4.2 register definitions Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 45/48] memory: remove memory_region_test_and_clear_dirty Paolo Bonzini
                   ` (4 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel

This removes the last user of memory_region_test_and_clear_dirty
outside memory.c.

Tested-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/display/g364fb.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/hw/display/g364fb.c b/hw/display/g364fb.c
index 86557d1..86452de 100644
--- a/hw/display/g364fb.c
+++ b/hw/display/g364fb.c
@@ -62,15 +62,15 @@ typedef struct G364State {
 
 #define G364_PAGE_SIZE 4096
 
-static inline int check_dirty(G364State *s, ram_addr_t page)
+static inline int check_dirty(G364State *s, DirtyBitmapSnapshot *snap, ram_addr_t page)
 {
-    return memory_region_test_and_clear_dirty(&s->mem_vram, page, G364_PAGE_SIZE,
-                                              DIRTY_MEMORY_VGA);
+    return memory_region_snapshot_get_dirty(&s->mem_vram, snap, page, G364_PAGE_SIZE);
 }
 
 static void g364fb_draw_graphic8(G364State *s)
 {
     DisplaySurface *surface = qemu_console_surface(s->con);
+    DirtyBitmapSnapshot *snap;
     int i, w;
     uint8_t *vram;
     uint8_t *data_display, *dd;
@@ -122,8 +122,10 @@ static void g364fb_draw_graphic8(G364State *s)
     vram = s->vram + s->top_of_screen;
     /* XXX: out of range in vram? */
     data_display = dd = surface_data(surface);
+    snap = memory_region_snapshot_and_clear_dirty(&s->mem_vram, 0, s->vram_size,
+                                                  DIRTY_MEMORY_VGA);
     while (y < s->height) {
-        if (check_dirty(s, page)) {
+        if (check_dirty(s, snap, page)) {
             if (y < ymin)
                 ymin = ymax = y;
             if (x < xmin)
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 45/48] memory: remove memory_region_test_and_clear_dirty
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (40 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 44/48] g364fb: switch to using DirtyBitmapSnapshot Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 46/48] memory: hide memory_region_sync_dirty_bitmap behind DirtyBitmapSnapshot Paolo Bonzini
                   ` (3 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel

It is unused after g364fb has been converted to use DirtyBitmapSnapshot.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/exec/memory.h | 24 +++---------------------
 memory.c              |  8 --------
 2 files changed, 3 insertions(+), 29 deletions(-)

diff --git a/include/exec/memory.h b/include/exec/memory.h
index 783ef64..6779d14 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1091,32 +1091,14 @@ void memory_region_set_dirty(MemoryRegion *mr, hwaddr addr,
                              hwaddr size);
 
 /**
- * memory_region_test_and_clear_dirty: Check whether a range of bytes is dirty
- *                                     for a specified client. It clears them.
- *
- * Checks whether a range of bytes has been written to since the last
- * call to memory_region_reset_dirty() with the same @client.  Dirty logging
- * must be enabled.
- *
- * @mr: the memory region being queried.
- * @addr: the address (relative to the start of the region) being queried.
- * @size: the size of the range being queried.
- * @client: the user of the logging information; %DIRTY_MEMORY_MIGRATION or
- *          %DIRTY_MEMORY_VGA.
- */
-bool memory_region_test_and_clear_dirty(MemoryRegion *mr, hwaddr addr,
-                                        hwaddr size, unsigned client);
-
-/**
  * memory_region_snapshot_and_clear_dirty: Get a snapshot of the dirty
  *                                         bitmap and clear it.
  *
  * Creates a snapshot of the dirty bitmap, clears the dirty bitmap and
  * returns the snapshot.  The snapshot can then be used to query dirty
- * status, using memory_region_snapshot_get_dirty.  Unlike
- * memory_region_test_and_clear_dirty this allows to query the same
- * page multiple times, which is especially useful for display updates
- * where the scanlines often are not page aligned.
+ * status, using memory_region_snapshot_get_dirty.  Snapshotting allows
+ * querying the same page multiple times, which is especially useful for
+ * display updates where the scanlines often are not page aligned.
  *
  * The dirty bitmap region which gets copyed into the snapshot (and
  * cleared afterwards) can be larger than requested.  The boundaries
diff --git a/memory.c b/memory.c
index 93258a6..9e75bb9 100644
--- a/memory.c
+++ b/memory.c
@@ -1971,14 +1971,6 @@ void memory_region_set_dirty(MemoryRegion *mr, hwaddr addr,
                                         memory_region_get_dirty_log_mask(mr));
 }
 
-bool memory_region_test_and_clear_dirty(MemoryRegion *mr, hwaddr addr,
-                                        hwaddr size, unsigned client)
-{
-    assert(mr->ram_block);
-    return cpu_physical_memory_test_and_clear_dirty(
-                memory_region_get_ram_addr(mr) + addr, size, client);
-}
-
 DirtyBitmapSnapshot *memory_region_snapshot_and_clear_dirty(MemoryRegion *mr,
                                                             hwaddr addr,
                                                             hwaddr size,
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 46/48] memory: hide memory_region_sync_dirty_bitmap behind DirtyBitmapSnapshot
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (41 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 45/48] memory: remove memory_region_test_and_clear_dirty Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 47/48] memory: unify loops to sync dirty log bitmap Paolo Bonzini
                   ` (2 subsequent siblings)
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel

Simplify the users of memory_region_snapshot_and_clear_dirty, so
that they do not have to call memory_region_sync_dirty_bitmap
explicitly.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/display/cg3.c             |  1 -
 hw/display/exynos4210_fimd.c |  1 -
 hw/display/framebuffer.c     |  1 -
 hw/display/g364fb.c          |  1 -
 hw/display/sm501.c           |  1 -
 hw/display/tcx.c             |  2 --
 hw/display/vga.c             |  6 ------
 include/exec/memory.h        | 11 -----------
 memory.c                     | 39 ++++++++++++++++++++-------------------
 9 files changed, 20 insertions(+), 43 deletions(-)

diff --git a/hw/display/cg3.c b/hw/display/cg3.c
index cafd9f4..6fff485 100644
--- a/hw/display/cg3.c
+++ b/hw/display/cg3.c
@@ -108,7 +108,6 @@ static void cg3_update_display(void *opaque)
     data = (uint32_t *)surface_data(surface);
 
     if (!s->full_update) {
-        memory_region_sync_dirty_bitmap(&s->vram_mem);
         snap = memory_region_snapshot_and_clear_dirty(&s->vram_mem, 0x0,
                                               memory_region_size(&s->vram_mem),
                                               DIRTY_MEMORY_VGA);
diff --git a/hw/display/exynos4210_fimd.c b/hw/display/exynos4210_fimd.c
index 86e37e9..f011ea5 100644
--- a/hw/display/exynos4210_fimd.c
+++ b/hw/display/exynos4210_fimd.c
@@ -1289,7 +1289,6 @@ static void exynos4210_fimd_update(void *opaque)
             scrn_width = w->virtpage_width;
             /* Total width of virtual screen page in bytes */
             inc_size = scrn_width + w->virtpage_offsize;
-            memory_region_sync_dirty_bitmap(w->mem_section.mr);
             host_fb_addr = w->host_fb_addr;
             fb_line_addr = w->mem_section.offset_within_region;
             snap = memory_region_snapshot_and_clear_dirty(w->mem_section.mr,
diff --git a/hw/display/framebuffer.c b/hw/display/framebuffer.c
index d7310d2..36e3db1 100644
--- a/hw/display/framebuffer.c
+++ b/hw/display/framebuffer.c
@@ -83,7 +83,6 @@ void framebuffer_update_display(
     if (!mem) {
         return;
     }
-    memory_region_sync_dirty_bitmap(mem);
 
     addr = mem_section->offset_within_region;
     src = memory_region_get_ram_ptr(mem) + addr;
diff --git a/hw/display/g364fb.c b/hw/display/g364fb.c
index 86452de..819f8be 100644
--- a/hw/display/g364fb.c
+++ b/hw/display/g364fb.c
@@ -246,7 +246,6 @@ static void g364fb_update_display(void *opaque)
         qemu_console_resize(s->con, s->width, s->height);
     }
 
-    memory_region_sync_dirty_bitmap(&s->mem_vram);
     if (s->ctla & CTLA_FORCE_BLANK) {
         g364fb_draw_blank(s);
     } else if (s->depth == 8) {
diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index 134cbed..f4bb33c 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -1508,7 +1508,6 @@ static void sm501_update_display(void *opaque)
     }
 
     /* draw each line according to conditions */
-    memory_region_sync_dirty_bitmap(&s->local_mem_region);
     snap = memory_region_snapshot_and_clear_dirty(&s->local_mem_region,
               offset, width * height * src_bpp, DIRTY_MEMORY_VGA);
     for (y = 0, offset = 0; y < height; y++, offset += width * src_bpp) {
diff --git a/hw/display/tcx.c b/hw/display/tcx.c
index daa93e0..b2786ee 100644
--- a/hw/display/tcx.c
+++ b/hw/display/tcx.c
@@ -236,7 +236,6 @@ static void tcx_update_display(void *opaque)
     dd = surface_stride(surface);
     ds = 1024;
 
-    memory_region_sync_dirty_bitmap(&ts->vram_mem);
     snap = memory_region_snapshot_and_clear_dirty(&ts->vram_mem, 0x0,
                                              memory_region_size(&ts->vram_mem),
                                              DIRTY_MEMORY_VGA);
@@ -292,7 +291,6 @@ static void tcx24_update_display(void *opaque)
     dd = surface_stride(surface);
     ds = 1024;
 
-    memory_region_sync_dirty_bitmap(&ts->vram_mem);
     snap = memory_region_snapshot_and_clear_dirty(&ts->vram_mem, 0x0,
                                              memory_region_size(&ts->vram_mem),
                                              DIRTY_MEMORY_VGA);
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 6e78a4e..28f298b 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1444,11 +1444,6 @@ static bool vga_scanline_invalidated(VGACommonState *s, int y)
     return s->invalidated_y_table[y >> 5] & (1 << (y & 0x1f));
 }
 
-void vga_sync_dirty_bitmap(VGACommonState *s)
-{
-    memory_region_sync_dirty_bitmap(&s->vram);
-}
-
 void vga_dirty_log_start(VGACommonState *s)
 {
     memory_region_set_log(&s->vram, true, DIRTY_MEMORY_VGA);
@@ -1638,7 +1633,6 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
     y1 = 0;
 
     if (!full_update) {
-        vga_sync_dirty_bitmap(s);
         if (s->line_compare < height) {
             /* split screen mode */
             region_start = 0;
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 6779d14..fff9b1d 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1136,17 +1136,6 @@ bool memory_region_snapshot_get_dirty(MemoryRegion *mr,
                                       hwaddr addr, hwaddr size);
 
 /**
- * memory_region_sync_dirty_bitmap: Synchronize a region's dirty bitmap with
- *                                  any external TLBs (e.g. kvm)
- *
- * Flushes dirty information from accelerators such as kvm and vhost-net
- * and makes it available to users of the memory API.
- *
- * @mr: the region being flushed.
- */
-void memory_region_sync_dirty_bitmap(MemoryRegion *mr);
-
-/**
  * memory_region_reset_dirty: Mark a range of pages as clean, for a specified
  *                            client.
  *
diff --git a/memory.c b/memory.c
index 9e75bb9..8ed809c 100644
--- a/memory.c
+++ b/memory.c
@@ -1971,25 +1971,7 @@ void memory_region_set_dirty(MemoryRegion *mr, hwaddr addr,
                                         memory_region_get_dirty_log_mask(mr));
 }
 
-DirtyBitmapSnapshot *memory_region_snapshot_and_clear_dirty(MemoryRegion *mr,
-                                                            hwaddr addr,
-                                                            hwaddr size,
-                                                            unsigned client)
-{
-    assert(mr->ram_block);
-    return cpu_physical_memory_snapshot_and_clear_dirty(
-                memory_region_get_ram_addr(mr) + addr, size, client);
-}
-
-bool memory_region_snapshot_get_dirty(MemoryRegion *mr, DirtyBitmapSnapshot *snap,
-                                      hwaddr addr, hwaddr size)
-{
-    assert(mr->ram_block);
-    return cpu_physical_memory_snapshot_get_dirty(snap,
-                memory_region_get_ram_addr(mr) + addr, size);
-}
-
-void memory_region_sync_dirty_bitmap(MemoryRegion *mr)
+static void memory_region_sync_dirty_bitmap(MemoryRegion *mr)
 {
     MemoryListener *listener;
     AddressSpace *as;
@@ -2017,6 +1999,25 @@ void memory_region_sync_dirty_bitmap(MemoryRegion *mr)
     }
 }
 
+DirtyBitmapSnapshot *memory_region_snapshot_and_clear_dirty(MemoryRegion *mr,
+                                                            hwaddr addr,
+                                                            hwaddr size,
+                                                            unsigned client)
+{
+    assert(mr->ram_block);
+    memory_region_sync_dirty_bitmap(mr);
+    return cpu_physical_memory_snapshot_and_clear_dirty(
+                memory_region_get_ram_addr(mr) + addr, size, client);
+}
+
+bool memory_region_snapshot_get_dirty(MemoryRegion *mr, DirtyBitmapSnapshot *snap,
+                                      hwaddr addr, hwaddr size)
+{
+    assert(mr->ram_block);
+    return cpu_physical_memory_snapshot_get_dirty(snap,
+                memory_region_get_ram_addr(mr) + addr, size);
+}
+
 void memory_region_set_readonly(MemoryRegion *mr, bool readonly)
 {
     if (mr->readonly != readonly) {
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 47/48] memory: unify loops to sync dirty log bitmap
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (42 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 46/48] memory: hide memory_region_sync_dirty_bitmap behind DirtyBitmapSnapshot Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 12:00 ` [Qemu-devel] [PULL 48/48] travis: use libgcc-4.8-dev (libgcc-6-dev is not available on Ubuntu 14.04) Paolo Bonzini
  2018-02-13 14:37 ` [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Peter Maydell
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel

Now that memory_region_sync_dirty_bitmap is NULL, we can unify its
loop with memory_global_dirty_log_sync's.  The only difference is
that memory_region_sync_dirty_bitmap will no longer call log_sync on
FlatRanges that do have a zero dirty_log_mask, but this is okay because
video memory is always registered with the dirty page logging mechanism.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 memory.c | 23 ++---------------------
 1 file changed, 2 insertions(+), 21 deletions(-)

diff --git a/memory.c b/memory.c
index 8ed809c..c7f6588 100644
--- a/memory.c
+++ b/memory.c
@@ -1990,7 +1990,7 @@ static void memory_region_sync_dirty_bitmap(MemoryRegion *mr)
         as = listener->address_space;
         view = address_space_get_flatview(as);
         FOR_EACH_FLAT_RANGE(fr, view) {
-            if (fr->mr == mr) {
+            if (fr->dirty_log_mask && (!mr || fr->mr == mr)) {
                 MemoryRegionSection mrs = section_from_flat_range(fr, view);
                 listener->log_sync(listener, &mrs);
             }
@@ -2506,26 +2506,7 @@ bool memory_region_present(MemoryRegion *container, hwaddr addr)
 
 void memory_global_dirty_log_sync(void)
 {
-    MemoryListener *listener;
-    AddressSpace *as;
-    FlatView *view;
-    FlatRange *fr;
-
-    QTAILQ_FOREACH(listener, &memory_listeners, link) {
-        if (!listener->log_sync) {
-            continue;
-        }
-        as = listener->address_space;
-        view = address_space_get_flatview(as);
-        FOR_EACH_FLAT_RANGE(fr, view) {
-            if (fr->dirty_log_mask) {
-                MemoryRegionSection mrs = section_from_flat_range(fr, view);
-
-                listener->log_sync(listener, &mrs);
-            }
-        }
-        flatview_unref(view);
-    }
+    memory_region_sync_dirty_bitmap(NULL);
 }
 
 static VMChangeStateEntry *vmstate_change;
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* [Qemu-devel] [PULL 48/48] travis: use libgcc-4.8-dev (libgcc-6-dev is not available on Ubuntu 14.04)
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (43 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 47/48] memory: unify loops to sync dirty log bitmap Paolo Bonzini
@ 2018-02-13 12:00 ` Paolo Bonzini
  2018-02-13 14:37 ` [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Peter Maydell
  45 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 12:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Philippe Mathieu-Daudé

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Travis image is based on Ubuntu Trusty (14.04), since d83414e1fd1 we get:

  $ sudo -E \
    apt-get -yq --no-install-suggests --no-install-recommends --force-yes \
      install \
        libaio-dev libattr1-dev libbrlapi-dev libcap-ng-dev libgcc-6-dev \
        libgnutls-dev libgtk-3-dev libiscsi-dev liblttng-ust-dev \
        libncurses5-dev libnfs-dev libnss3-dev libpixman-1-dev libpng12-dev \
        librados-dev libsdl1.2-dev libseccomp-dev libspice-protocol-dev \
        libspice-server-dev libssh2-1-dev liburcu-dev libusb-1.0-0-dev \
        libvte-2.90-dev sparse uuid-dev
  Reading package lists...
  Building dependency tree...
  Reading state information...
  E: Unable to locate package libgcc-6-dev

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 0dd5020..79377c8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,7 @@ addons:
       - libattr1-dev
       - libbrlapi-dev
       - libcap-ng-dev
-      - libgcc-6-dev
+      - libgcc-4.8-dev
       - libgnutls-dev
       - libgtk-3-dev
       - libiscsi-dev
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 48+ messages in thread

* Re: [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13
  2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
                   ` (44 preceding siblings ...)
  2018-02-13 12:00 ` [Qemu-devel] [PULL 48/48] travis: use libgcc-4.8-dev (libgcc-6-dev is not available on Ubuntu 14.04) Paolo Bonzini
@ 2018-02-13 14:37 ` Peter Maydell
  2018-02-13 15:10   ` Paolo Bonzini
  45 siblings, 1 reply; 48+ messages in thread
From: Peter Maydell @ 2018-02-13 14:37 UTC (permalink / raw)
  To: Paolo Bonzini; +Cc: QEMU Developers

On 13 February 2018 at 12:00, Paolo Bonzini <pbonzini@redhat.com> wrote:
> The following changes since commit 7d848450b6e2a3e14a776b4c93704710e7f3d233:
>
>   Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.12-20180212' into staging (2018-02-12 14:52:48 +0000)
>
> are available in the git repository at:
>
>
>   git://github.com/bonzini/qemu.git tags/for-upstream
>
> for you to fetch changes up to ef07edfd51c4bf375a3185c8a263dd89f2b5b9db:
>
>   travis: use libgcc-4.8-dev (libgcc-6-dev is not available on Ubuntu 14.04) (2018-02-13 11:44:15 +0100)
>
> ----------------------------------------------------------------
> * CAN bus (will be under network maintainner)
> * scsi-block opblockers (myself)
> * Dirty log bitmap cleanup (myself)
> * SDHCI improvements and tests (Philippe)
> * HAX support for larger guest sizese (Yu Ning)
>

Hi. This fails tests on Linux/ppc64, Linux/s390x
and Linux/sparc:

TEST: tests/sdhci-test... (pid=63141)
  /x86_64/sdhci/pc:                                                    **
ERROR:/home/pm215/qemu/tests/sdhci-test.c:118:check_specs_version:
assertion failed (v == version): (1 == 2)
FAIL
GTester: last random seed: R02Sfc2909dc6cf031163b43c8bd23c9b9e3
(pid=63154)
FAIL: tests/sdhci-test

Given the set of failing hosts I suspect an endianness bug.

thanks
-- PMM

^ permalink raw reply	[flat|nested] 48+ messages in thread

* Re: [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13
  2018-02-13 14:37 ` [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Peter Maydell
@ 2018-02-13 15:10   ` Paolo Bonzini
  0 siblings, 0 replies; 48+ messages in thread
From: Paolo Bonzini @ 2018-02-13 15:10 UTC (permalink / raw)
  To: Peter Maydell; +Cc: QEMU Developers

On 13/02/2018 15:37, Peter Maydell wrote:
> Hi. This fails tests on Linux/ppc64, Linux/s390x
> and Linux/sparc:
> 
> TEST: tests/sdhci-test... (pid=63141)
>   /x86_64/sdhci/pc:                                                    **
> ERROR:/home/pm215/qemu/tests/sdhci-test.c:118:check_specs_version:
> assertion failed (v == version): (1 == 2)
> FAIL
> GTester: last random seed: R02Sfc2909dc6cf031163b43c8bd23c9b9e3
> (pid=63154)
> FAIL: tests/sdhci-test
> 
> Given the set of failing hosts I suspect an endianness bug.

Indeed.  The qpci_memread calls should be qpci_io_readX.

Paolo

^ permalink raw reply	[flat|nested] 48+ messages in thread

end of thread, other threads:[~2018-02-13 15:10 UTC | newest]

Thread overview: 48+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-02-13 12:00 [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 01/48] Revert "build-sys: silence make by default or V=0" Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 02/48] make: fix help message reference to bogus V=0 variable Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 03/48] hax: Support guest RAM sizes of 4GB or more Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 04/48] net/can: simple messages transport implementation for QEMU Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 05/48] net/can: support for connecting to Linux host SocketCAN interface Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 06/48] hw/net/can: SJA1000 chip register level emulation for QEMU Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 07/48] hw/net/can: Kvaser PCI CAN-S (single SJA1000 channel) emulation Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 08/48] hw/net/can: PCM-3680I PCI (dual " Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 09/48] hw/net/can: MIOe-3680 " Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 10/48] net/can: documentation Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 11/48] hw/net/can: interrupt cleanup Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 12/48] build-sys: remove useless extra*flags variables Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 13/48] build-sys: check static linking of UBSAN Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 14/48] sdhci: use error_propagate(local_err) in realize() Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 15/48] sdhci: add qtest to check the SD capabilities register Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 16/48] sdhci: add check_capab_readonly() qtest Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 17/48] sdhci: add a check_capab_baseclock() qtest Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 18/48] sdhci: add a check_capab_sdma() qtest Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 19/48] sdhci: add qtest to check the SD Spec version Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 20/48] sdhci: add a 'spec_version property' (default to v2) Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 21/48] sdhci: use a numeric value for the default CAPAB register Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 22/48] sdhci: simplify sdhci_get_fifolen() Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 23/48] sdhci: check the Spec v1 capabilities correctness Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 25/48] sdhci: Fix 64-bit ADMA2 Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 27/48] hw/arm/exynos4210: access the 64-bit capareg with qdev_prop_set_uint64() Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 28/48] hw/arm/exynos4210: add a comment about a very similar SDHCI (Spec. v2) Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 29/48] hw/arm/xilinx_zynq: fix the capabilities register to match the datasheet Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 31/48] sdhci: rename the hostctl1 register Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 32/48] sdhci: implement the Host Control 2 register (tuning sequence) Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 33/48] sdbus: add trace events Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 34/48] sdhci: implement UHS-I voltage switch Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 35/48] sdhci: implement CMD/DAT[] fields in the Present State register Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 36/48] hw/arm/bcm2835_peripherals: implement SDHCI Spec v3 Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 37/48] hw/arm/bcm2835_peripherals: change maximum block size to 1kB Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 38/48] hw/arm/fsl-imx6: implement SDHCI Spec. v3 Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 39/48] hw/arm/xilinx_zynqmp: fix the capabilities/spec version to match the datasheet Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 40/48] hw/arm/xilinx_zynqmp: enable the UHS-I mode Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 41/48] sdhci: check Spec v3 capabilities qtest Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 42/48] sdhci: add a check_capab_v3() qtest Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 43/48] sdhci: add Spec v4.2 register definitions Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 44/48] g364fb: switch to using DirtyBitmapSnapshot Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 45/48] memory: remove memory_region_test_and_clear_dirty Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 46/48] memory: hide memory_region_sync_dirty_bitmap behind DirtyBitmapSnapshot Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 47/48] memory: unify loops to sync dirty log bitmap Paolo Bonzini
2018-02-13 12:00 ` [Qemu-devel] [PULL 48/48] travis: use libgcc-4.8-dev (libgcc-6-dev is not available on Ubuntu 14.04) Paolo Bonzini
2018-02-13 14:37 ` [Qemu-devel] [PULL 00/48] Misc patches for 2018-02-13 Peter Maydell
2018-02-13 15:10   ` Paolo Bonzini

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