From: Xiao Guangrong <guangrong.xiao@linux.intel.com> To: pbonzini@redhat.com, imammedo@redhat.com Cc: gleb@kernel.org, mtosatti@redhat.com, stefanha@redhat.com, mst@redhat.com, rth@twiddle.net, ehabkost@redhat.com, dan.j.williams@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, Xiao Guangrong <guangrong.xiao@linux.intel.com> Subject: [PATCH 10/15] nvdimm acpi: abstract the operations for root device and nvdimm devices Date: Thu, 17 Mar 2016 16:32:56 +0800 [thread overview] Message-ID: <1458203581-59143-11-git-send-email-guangrong.xiao@linux.intel.com> (raw) In-Reply-To: <1458203581-59143-1-git-send-email-guangrong.xiao@linux.intel.com> It separates the operations between root device and nvdimm devices in order to introducing label functions support for nvdimm device Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- hw/acpi/nvdimm.c | 72 ++++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 54 insertions(+), 18 deletions(-) diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index 4177227..071f66f 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -404,6 +404,53 @@ struct NvdimmDsmFuncNoPayloadOut { } QEMU_PACKED; typedef struct NvdimmDsmFuncNoPayloadOut NvdimmDsmFuncNoPayloadOut; +static void +nvdimm_dsm_function0(uint32_t supported_func, hwaddr dsm_mem_addr) +{ + NvdimmDsmFunc0Out func0 = { + .len = cpu_to_le32(sizeof(func0)), + .supported_func = cpu_to_le32(supported_func), + }; + cpu_physical_memory_write(dsm_mem_addr, &func0, sizeof(func0)); +} + +static void +nvdimm_dsm_no_payload(uint32_t func_ret_status, hwaddr dsm_mem_addr) +{ + NvdimmDsmFuncNoPayloadOut out = { + .len = cpu_to_le32(sizeof(out)), + .func_ret_status = cpu_to_le32(func_ret_status), + }; + cpu_physical_memory_write(dsm_mem_addr, &out, sizeof(out)); +} + +static void nvdimm_dsm_root(NvdimmDsmIn *in, hwaddr dsm_mem_addr) +{ + /* + * function 0 is called to inquire which functions are supported by + * OSPM + */ + if (!in->function) { + return nvdimm_dsm_function0(0 /* No function supported other + than function 0 */, dsm_mem_addr); + } + + /* No function except function 0 is supported yet. */ + nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr); +} + +static void nvdimm_dsm_device(NvdimmDsmIn *in, hwaddr dsm_mem_addr) +{ + /* See the comments in nvdimm_dsm_root(). */ + if (!in->function) { + return nvdimm_dsm_function0(0 /* No function supported other + than function 0 */, dsm_mem_addr); + } + + /* No function except function 0 is supported yet. */ + nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr); +} + static uint64_t nvdimm_dsm_read(void *opaque, hwaddr addr, unsigned size) { @@ -434,26 +481,15 @@ nvdimm_dsm_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) nvdimm_debug("Revision %#x Handler %#x Function %#x.\n", in->revision, in->handle, in->function); - /* - * function 0 is called to inquire which functions are supported by - * OSPM - */ - if (in->function == 0) { - NvdimmDsmFunc0Out func0 = { - .len = cpu_to_le32(sizeof(func0)), - /* No function supported other than function 0 */ - .supported_func = cpu_to_le32(0), - }; - cpu_physical_memory_write(dsm_mem_addr, &func0, sizeof func0); - } else { - /* No function except function 0 is supported yet. */ - NvdimmDsmFuncNoPayloadOut out = { - .len = cpu_to_le32(sizeof(out)), - .func_ret_status = cpu_to_le32(1) /* Not Supported */, - }; - cpu_physical_memory_write(dsm_mem_addr, &out, sizeof(out)); + /* Handle 0 is reserved for NVDIMM Root Device. */ + if (!in->handle) { + nvdimm_dsm_root(in, dsm_mem_addr); + goto exit; } + nvdimm_dsm_device(in, dsm_mem_addr); + +exit: g_free(in); } -- 1.8.3.1
WARNING: multiple messages have this Message-ID (diff)
From: Xiao Guangrong <guangrong.xiao@linux.intel.com> To: pbonzini@redhat.com, imammedo@redhat.com Cc: Xiao Guangrong <guangrong.xiao@linux.intel.com>, ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com, gleb@kernel.org, mtosatti@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, dan.j.williams@intel.com, rth@twiddle.net Subject: [Qemu-devel] [PATCH 10/15] nvdimm acpi: abstract the operations for root device and nvdimm devices Date: Thu, 17 Mar 2016 16:32:56 +0800 [thread overview] Message-ID: <1458203581-59143-11-git-send-email-guangrong.xiao@linux.intel.com> (raw) In-Reply-To: <1458203581-59143-1-git-send-email-guangrong.xiao@linux.intel.com> It separates the operations between root device and nvdimm devices in order to introducing label functions support for nvdimm device Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- hw/acpi/nvdimm.c | 72 ++++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 54 insertions(+), 18 deletions(-) diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index 4177227..071f66f 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -404,6 +404,53 @@ struct NvdimmDsmFuncNoPayloadOut { } QEMU_PACKED; typedef struct NvdimmDsmFuncNoPayloadOut NvdimmDsmFuncNoPayloadOut; +static void +nvdimm_dsm_function0(uint32_t supported_func, hwaddr dsm_mem_addr) +{ + NvdimmDsmFunc0Out func0 = { + .len = cpu_to_le32(sizeof(func0)), + .supported_func = cpu_to_le32(supported_func), + }; + cpu_physical_memory_write(dsm_mem_addr, &func0, sizeof(func0)); +} + +static void +nvdimm_dsm_no_payload(uint32_t func_ret_status, hwaddr dsm_mem_addr) +{ + NvdimmDsmFuncNoPayloadOut out = { + .len = cpu_to_le32(sizeof(out)), + .func_ret_status = cpu_to_le32(func_ret_status), + }; + cpu_physical_memory_write(dsm_mem_addr, &out, sizeof(out)); +} + +static void nvdimm_dsm_root(NvdimmDsmIn *in, hwaddr dsm_mem_addr) +{ + /* + * function 0 is called to inquire which functions are supported by + * OSPM + */ + if (!in->function) { + return nvdimm_dsm_function0(0 /* No function supported other + than function 0 */, dsm_mem_addr); + } + + /* No function except function 0 is supported yet. */ + nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr); +} + +static void nvdimm_dsm_device(NvdimmDsmIn *in, hwaddr dsm_mem_addr) +{ + /* See the comments in nvdimm_dsm_root(). */ + if (!in->function) { + return nvdimm_dsm_function0(0 /* No function supported other + than function 0 */, dsm_mem_addr); + } + + /* No function except function 0 is supported yet. */ + nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr); +} + static uint64_t nvdimm_dsm_read(void *opaque, hwaddr addr, unsigned size) { @@ -434,26 +481,15 @@ nvdimm_dsm_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) nvdimm_debug("Revision %#x Handler %#x Function %#x.\n", in->revision, in->handle, in->function); - /* - * function 0 is called to inquire which functions are supported by - * OSPM - */ - if (in->function == 0) { - NvdimmDsmFunc0Out func0 = { - .len = cpu_to_le32(sizeof(func0)), - /* No function supported other than function 0 */ - .supported_func = cpu_to_le32(0), - }; - cpu_physical_memory_write(dsm_mem_addr, &func0, sizeof func0); - } else { - /* No function except function 0 is supported yet. */ - NvdimmDsmFuncNoPayloadOut out = { - .len = cpu_to_le32(sizeof(out)), - .func_ret_status = cpu_to_le32(1) /* Not Supported */, - }; - cpu_physical_memory_write(dsm_mem_addr, &out, sizeof(out)); + /* Handle 0 is reserved for NVDIMM Root Device. */ + if (!in->handle) { + nvdimm_dsm_root(in, dsm_mem_addr); + goto exit; } + nvdimm_dsm_device(in, dsm_mem_addr); + +exit: g_free(in); } -- 1.8.3.1
next prev parent reply other threads:[~2016-03-17 8:33 UTC|newest] Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-03-17 8:32 [PATCH 00/15] NVDIMM: introduce nvdimm label support Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 01/15] pc-dimm: get memory region from ->get_memory_region() Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 02/15] pc-dimm: introduce realize callback Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 03/15] pc-dimm: keep the state of the whole backend memory Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 04/15] nvdimm: support nvdimm label Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 10:28 ` Stefan Hajnoczi 2016-03-17 10:28 ` [Qemu-devel] " Stefan Hajnoczi 2016-03-23 3:40 ` Xiao Guangrong 2016-03-23 3:40 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 05/15] acpi: add aml_object_type Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 06/15] acpi: add aml_call5 Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 07/15] nvdimm acpi: set HDLE properly Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 08/15] nvdimm acpi: save arg3 of _DSM method Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 09/15] nvdimm acpi: check UUID Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` Xiao Guangrong [this message] 2016-03-17 8:32 ` [Qemu-devel] [PATCH 10/15] nvdimm acpi: abstract the operations for root device and nvdimm devices Xiao Guangrong 2016-03-17 10:35 ` Stefan Hajnoczi 2016-03-17 10:35 ` [Qemu-devel] " Stefan Hajnoczi 2016-03-23 3:43 ` Xiao Guangrong 2016-03-23 3:43 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 11/15] nvdimm acpi: check revision Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 12/15] nvdimm acpi: support Get Namespace Label Size function Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 10:58 ` Stefan Hajnoczi 2016-03-17 10:58 ` [Qemu-devel] " Stefan Hajnoczi 2016-03-23 3:46 ` Xiao Guangrong 2016-03-23 3:46 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:32 ` [PATCH 13/15] nvdimm acpi: support Get Namespace Label Data function Xiao Guangrong 2016-03-17 8:32 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:33 ` [PATCH 14/15] nvdimm acpi: support Set " Xiao Guangrong 2016-03-17 8:33 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 8:33 ` [PATCH 15/15] docs: add NVDIMM ACPI documentation Xiao Guangrong 2016-03-17 8:33 ` [Qemu-devel] " Xiao Guangrong 2016-03-17 10:04 ` [PATCH 00/15] NVDIMM: introduce nvdimm label support Stefan Hajnoczi 2016-03-17 10:04 ` [Qemu-devel] " Stefan Hajnoczi 2016-03-22 15:37 ` Dan Williams 2016-03-22 15:37 ` [Qemu-devel] " Dan Williams 2016-03-22 20:30 ` Stefan Hajnoczi 2016-03-22 20:30 ` [Qemu-devel] " Stefan Hajnoczi 2016-03-23 2:46 ` Xiao Guangrong 2016-03-23 2:46 ` [Qemu-devel] " Xiao Guangrong 2016-03-23 16:48 ` Stefan Hajnoczi 2016-03-23 16:48 ` [Qemu-devel] " Stefan Hajnoczi 2016-03-22 11:17 ` Michael S. Tsirkin 2016-03-22 11:17 ` [Qemu-devel] " Michael S. Tsirkin 2016-03-23 3:47 ` Xiao Guangrong 2016-03-23 3:47 ` [Qemu-devel] " Xiao Guangrong
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