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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Jason Wang" <jasowang@redhat.com>,
	"Mark Cave-Ayland" <mark.cave-ayland@ilande.co.uk>,
	"Peter Xu" <peterx@redhat.com>,
	"Gerd Hoffmann" <kraxel@redhat.com>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	qemu-block@nongnu.org, "Joel Stanley" <joel@jms.id.au>,
	"David Gibson" <david@gibson.dropbear.id.au>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	"Alistair Francis" <alistair@alistair23.me>,
	"Beniamino Galvani" <b.galvani@gmail.com>,
	"Eric Auger" <eric.auger@redhat.com>,
	qemu-arm@nongnu.org, "Jan Kiszka" <jan.kiszka@web.de>,
	"Cédric Le Goater" <clg@kaod.org>, "John Snow" <jsnow@redhat.com>,
	"Richard Henderson" <rth@twiddle.net>,
	"Andrew Jeffery" <andrew@aj.id.au>,
	"Laszlo Ersek" <lersek@redhat.com>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
	"Andrew Baumann" <Andrew.Baumann@microsoft.com>,
	qemu-ppc@nongnu.org, "Peter Chubb" <peter.chubb@nicta.com.au>
Subject: [PATCH 11/13] dma: Let dma_memory_rw() take MemTxAttrs argument
Date: Fri,  4 Sep 2020 17:44:37 +0200	[thread overview]
Message-ID: <20200904154439.643272-12-philmd@redhat.com> (raw)
In-Reply-To: <20200904154439.643272-1-philmd@redhat.com>

Let devices specify transaction attributes when calling
dma_memory_rw().

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 include/hw/pci/pci.h |  3 ++-
 include/sysemu/dma.h | 11 ++++++-----
 dma-helpers.c        |  3 ++-
 hw/intc/spapr_xive.c |  3 ++-
 hw/usb/hcd-ohci.c    | 10 ++++++----
 5 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 896cef9ad47..0c3217e019c 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -788,7 +788,8 @@ static inline AddressSpace *pci_get_address_space(PCIDevice *dev)
 static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr,
                              void *buf, dma_addr_t len, DMADirection dir)
 {
-    return dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir);
+    return dma_memory_rw(pci_get_address_space(dev), addr, buf, len,
+                         dir, MEMTXATTRS_UNSPECIFIED);
 }
 
 static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr,
diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h
index 59331ec0bd3..0695d430119 100644
--- a/include/sysemu/dma.h
+++ b/include/sysemu/dma.h
@@ -121,15 +121,15 @@ static inline MemTxResult dma_memory_write_relaxed(AddressSpace *as,
  * @buf: buffer with the data transferred
  * @len: the number of bytes to read or write
  * @dir: indicates the transfer direction
+ * @attrs: memory transaction attributes
  */
 static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr,
                                         void *buf, dma_addr_t len,
-                                        DMADirection dir)
+                                        DMADirection dir, MemTxAttrs attrs)
 {
     dma_barrier(as, dir);
 
-    return dma_memory_rw_relaxed(as, addr, buf, len, dir,
-                                 MEMTXATTRS_UNSPECIFIED);
+    return dma_memory_rw_relaxed(as, addr, buf, len, dir, attrs);
 }
 
 /**
@@ -147,7 +147,8 @@ static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr,
 static inline MemTxResult dma_memory_read(AddressSpace *as, dma_addr_t addr,
                                           void *buf, dma_addr_t len)
 {
-    return dma_memory_rw(as, addr, buf, len, DMA_DIRECTION_TO_DEVICE);
+    return dma_memory_rw(as, addr, buf, len,
+                         DMA_DIRECTION_TO_DEVICE, MEMTXATTRS_UNSPECIFIED);
 }
 
 /**
@@ -166,7 +167,7 @@ static inline MemTxResult dma_memory_write(AddressSpace *as, dma_addr_t addr,
                                            const void *buf, dma_addr_t len)
 {
     return dma_memory_rw(as, addr, (void *)buf, len,
-                         DMA_DIRECTION_FROM_DEVICE);
+                         DMA_DIRECTION_FROM_DEVICE, MEMTXATTRS_UNSPECIFIED);
 }
 
 /**
diff --git a/dma-helpers.c b/dma-helpers.c
index 6a9735386dc..6c3b2200f16 100644
--- a/dma-helpers.c
+++ b/dma-helpers.c
@@ -305,7 +305,8 @@ static uint64_t dma_buf_rw(uint8_t *ptr, int32_t len, QEMUSGList *sg,
     while (len > 0) {
         ScatterGatherEntry entry = sg->sg[sg_cur_index++];
         int32_t xfer = MIN(len, entry.len);
-        dma_memory_rw(sg->as, entry.base, ptr, xfer, dir);
+        dma_memory_rw(sg->as, entry.base, ptr, xfer, dir,
+                      MEMTXATTRS_UNSPECIFIED);
         ptr += xfer;
         len -= xfer;
         resid -= xfer;
diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c
index 4bd0d606ba1..dbf73a8bf47 100644
--- a/hw/intc/spapr_xive.c
+++ b/hw/intc/spapr_xive.c
@@ -1666,7 +1666,8 @@ static target_ulong h_int_esb(PowerPCCPU *cpu,
         mmio_addr = xive->vc_base + xive_source_esb_mgmt(xsrc, lisn) + offset;
 
         if (dma_memory_rw(&address_space_memory, mmio_addr, &data, 8,
-                          (flags & SPAPR_XIVE_ESB_STORE))) {
+                          (flags & SPAPR_XIVE_ESB_STORE),
+                          MEMTXATTRS_UNSPECIFIED)) {
             qemu_log_mask(LOG_GUEST_ERROR, "XIVE: failed to access ESB @0x%"
                           HWADDR_PRIx "\n", mmio_addr);
             return H_HARDWARE;
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index 1e6e85e86a8..bac1adf439c 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -586,7 +586,8 @@ static int ohci_copy_td(OHCIState *ohci, struct ohci_td *td,
     if (n > len)
         n = len;
 
-    if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf, n, dir)) {
+    if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf,
+                      n, dir, MEMTXATTRS_UNSPECIFIED)) {
         return -1;
     }
     if (n == len) {
@@ -595,7 +596,7 @@ static int ohci_copy_td(OHCIState *ohci, struct ohci_td *td,
     ptr = td->be & ~0xfffu;
     buf += n;
     if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf,
-                      len - n, dir)) {
+                      len - n, dir, MEMTXATTRS_UNSPECIFIED)) {
         return -1;
     }
     return 0;
@@ -613,7 +614,8 @@ static int ohci_copy_iso_td(OHCIState *ohci,
     if (n > len)
         n = len;
 
-    if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf, n, dir)) {
+    if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf,
+                      n, dir, MEMTXATTRS_UNSPECIFIED)) {
         return -1;
     }
     if (n == len) {
@@ -622,7 +624,7 @@ static int ohci_copy_iso_td(OHCIState *ohci,
     ptr = end_addr & ~0xfffu;
     buf += n;
     if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf,
-                      len - n, dir)) {
+                      len - n, dir, MEMTXATTRS_UNSPECIFIED)) {
         return -1;
     }
     return 0;
-- 
2.26.2



  parent reply	other threads:[~2020-09-04 15:53 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-04 15:44 [PATCH 00/13] dma: Let the DMA API take MemTxAttrs argument and propagate MemTxResult Philippe Mathieu-Daudé
2020-09-04 15:44 ` [PATCH 01/13] pci: pass along the return value of dma_memory_rw Philippe Mathieu-Daudé
2020-09-06  3:45   ` Richard Henderson
2020-09-07  1:00   ` Li Qiang
2020-09-04 15:44 ` [PATCH 02/13] docs/devel/loads-stores: Add regexp for DMA functions Philippe Mathieu-Daudé
2020-09-06  3:45   ` Richard Henderson
2020-09-04 15:44 ` [PATCH 03/13] dma: Document address_space_map/address_space_unmap() prototypes Philippe Mathieu-Daudé
2020-09-06  3:47   ` Richard Henderson
2020-09-07  6:55   ` Edgar E. Iglesias
2020-09-04 15:44 ` [PATCH 04/13] dma: Let dma_memory_set() propagate MemTxResult Philippe Mathieu-Daudé
2020-09-06  3:55   ` Richard Henderson
2020-09-07  1:05   ` Li Qiang
2020-09-04 15:44 ` [PATCH 05/13] dma: Let dma_memory_rw() " Philippe Mathieu-Daudé
2020-09-06  3:57   ` Richard Henderson
2020-09-07  1:06   ` Li Qiang
2020-09-04 15:44 ` [PATCH 06/13] dma: Let dma_memory_read() " Philippe Mathieu-Daudé
2020-09-06  3:58   ` Richard Henderson
2020-09-07  1:06   ` Li Qiang
2020-09-04 15:44 ` [PATCH 07/13] dma: Let dma_memory_write() " Philippe Mathieu-Daudé
2020-09-06  3:58   ` Richard Henderson
2020-09-07  1:07   ` Li Qiang
2020-09-04 15:44 ` [PATCH 08/13] dma: Let dma_memory_valid() take MemTxAttrs argument Philippe Mathieu-Daudé
2020-09-06  3:59   ` Richard Henderson
2020-09-07  1:11   ` Li Qiang
2020-09-04 15:44 ` [PATCH 09/13] dma: Let dma_memory_set() " Philippe Mathieu-Daudé
2020-09-06  4:00   ` Richard Henderson
2020-09-07  1:13   ` Li Qiang
2020-09-04 15:44 ` [PATCH 10/13] dma: Let dma_memory_rw_relaxed() " Philippe Mathieu-Daudé
2020-09-06  4:01   ` Richard Henderson
2020-09-07  1:14   ` Li Qiang
2020-09-04 15:44 ` Philippe Mathieu-Daudé [this message]
2020-09-06  4:02   ` [PATCH 11/13] dma: Let dma_memory_rw() " Richard Henderson
2020-09-07  1:16   ` Li Qiang
2020-09-04 15:44 ` [PATCH 12/13] dma: Let dma_memory_read/write() " Philippe Mathieu-Daudé
2020-09-06  4:04   ` Richard Henderson
2020-09-07  1:17   ` Li Qiang
2020-09-04 15:44 ` [PATCH 13/13] dma: Let dma_memory_map() " Philippe Mathieu-Daudé
2020-09-06  4:05   ` Richard Henderson
2020-09-07  1:18   ` Li Qiang
2020-09-07  6:55 ` [PATCH 00/13] dma: Let the DMA API take MemTxAttrs argument and propagate MemTxResult Edgar E. Iglesias
2020-09-15 17:28 ` Philippe Mathieu-Daudé
2020-09-16 13:48 ` Philippe Mathieu-Daudé
2020-09-16 23:10   ` Edgar E. Iglesias
2020-09-23 15:24 ` John Snow
2020-09-23 16:46   ` Philippe Mathieu-Daudé

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