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 v5 26/33] nvdimm acpi: save arg3 for NVDIMM device _DSM method Date: Wed, 28 Oct 2015 22:26:24 +0000 [thread overview] Message-ID: <1446071191-62591-27-git-send-email-guangrong.xiao@linux.intel.com> (raw) In-Reply-To: <1446071191-62591-1-git-send-email-guangrong.xiao@linux.intel.com> Check if the input Arg3 is valid then store it into dsm_in if needed Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- hw/acpi/nvdimm.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index 8412be3..69de4f6 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -524,13 +524,38 @@ static void nvdimm_build_acpi_devices(GSList *device_list, Aml *sb_scope) method = aml_method_serialized("NCAL", 4); { - Aml *buffer_size = aml_local(0); + Aml *ifctx, *pckg, *buffer_size = aml_local(0); aml_append(method, aml_store(aml_arg(0), aml_name("HDLE"))); aml_append(method, aml_store(aml_arg(1), aml_name("REVS"))); aml_append(method, aml_store(aml_arg(2), aml_name("FUNC"))); /* + * The fourth parameter (Arg3) of _DSM is a package which contains + * a buffer, the layout of the buffer is specified by UUID (Arg0), + * Revision ID (Arg1) and Function Index (Arg2) which are documented + * in the DSM Spec. + */ + pckg = aml_arg(3); + ifctx = aml_if(aml_and(aml_equal(aml_object_type(pckg), + aml_int(4 /* Package */)), + aml_equal(aml_sizeof(pckg), + aml_int(1)))); + { + Aml *pckg_index, *pckg_buf; + + pckg_index = aml_local(2); + pckg_buf = aml_local(3); + + aml_append(ifctx, aml_store(aml_index(pckg, aml_int(0)), + pckg_index)); + aml_append(ifctx, aml_store(aml_derefof(pckg_index), + pckg_buf)); + aml_append(ifctx, aml_store(pckg_buf, aml_name("ARG3"))); + } + aml_append(method, ifctx); + + /* * transfer control to QEMU and the buffer size filled by * QEMU is returned. */ -- 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 v5 26/33] nvdimm acpi: save arg3 for NVDIMM device _DSM method Date: Wed, 28 Oct 2015 22:26:24 +0000 [thread overview] Message-ID: <1446071191-62591-27-git-send-email-guangrong.xiao@linux.intel.com> (raw) In-Reply-To: <1446071191-62591-1-git-send-email-guangrong.xiao@linux.intel.com> Check if the input Arg3 is valid then store it into dsm_in if needed Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- hw/acpi/nvdimm.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index 8412be3..69de4f6 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -524,13 +524,38 @@ static void nvdimm_build_acpi_devices(GSList *device_list, Aml *sb_scope) method = aml_method_serialized("NCAL", 4); { - Aml *buffer_size = aml_local(0); + Aml *ifctx, *pckg, *buffer_size = aml_local(0); aml_append(method, aml_store(aml_arg(0), aml_name("HDLE"))); aml_append(method, aml_store(aml_arg(1), aml_name("REVS"))); aml_append(method, aml_store(aml_arg(2), aml_name("FUNC"))); /* + * The fourth parameter (Arg3) of _DSM is a package which contains + * a buffer, the layout of the buffer is specified by UUID (Arg0), + * Revision ID (Arg1) and Function Index (Arg2) which are documented + * in the DSM Spec. + */ + pckg = aml_arg(3); + ifctx = aml_if(aml_and(aml_equal(aml_object_type(pckg), + aml_int(4 /* Package */)), + aml_equal(aml_sizeof(pckg), + aml_int(1)))); + { + Aml *pckg_index, *pckg_buf; + + pckg_index = aml_local(2); + pckg_buf = aml_local(3); + + aml_append(ifctx, aml_store(aml_index(pckg, aml_int(0)), + pckg_index)); + aml_append(ifctx, aml_store(aml_derefof(pckg_index), + pckg_buf)); + aml_append(ifctx, aml_store(pckg_buf, aml_name("ARG3"))); + } + aml_append(method, ifctx); + + /* * transfer control to QEMU and the buffer size filled by * QEMU is returned. */ -- 1.8.3.1
next prev parent reply other threads:[~2015-10-28 14:32 UTC|newest] Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-10-28 22:25 [PATCH v5 00/33] implement vNVDIMM Xiao Guangrong 2015-10-28 22:25 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:25 ` [PATCH v5 01/33] acpi: add aml_derefof Xiao Guangrong 2015-10-28 22:25 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 02/33] acpi: add aml_sizeof Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 03/33] acpi: add aml_create_field Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 04/33] acpi: add aml_concatenate Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 05/33] acpi: add aml_object_type Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 06/33] acpi: add aml_method_serialized Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 07/33] util: introduce qemu_file_get_page_size() Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 08/33] exec: allow memory to be allocated from any kind of path Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 09/33] exec: allow file_ram_alloc to work on file Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 10/33] hostmem-file: clean up memory allocation Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 11/33] hostmem-file: use whole file size if possible Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 12/33] pc-dimm: remove DEFAULT_PC_DIMMSIZE Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 13/33] pc-dimm: make pc_existing_dimms_capacity static and rename it Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 14/33] pc-dimm: drop the prefix of pc-dimm Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 15/33] stubs: rename qmp_pc_dimm_device_list.c Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 16/33] pc-dimm: rename pc-dimm.c and pc-dimm.h Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 17/33] dimm: abstract dimm device from pc-dimm Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 18/33] dimm: get mapped memory region from DIMMDeviceClass->get_memory_region Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 19/33] dimm: keep the state of the whole backend memory Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 20/33] dimm: introduce realize callback Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 21/33] nvdimm: implement NVDIMM device abstract Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 22/33] docs: add NVDIMM ACPI documentation Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 23/33] nvdimm acpi: init the resource used by NVDIMM ACPI Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 24/33] nvdimm acpi: build ACPI NFIT table Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 25/33] nvdimm acpi: build ACPI nvdimm devices Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` Xiao Guangrong [this message] 2015-10-28 22:26 ` [Qemu-devel] [PATCH v5 26/33] nvdimm acpi: save arg3 for NVDIMM device _DSM method Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 27/33] nvdimm acpi: support function 0 Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 16:37 ` Stefan Hajnoczi 2015-10-28 16:37 ` [Qemu-devel] " Stefan Hajnoczi 2015-10-28 22:26 ` [PATCH v5 28/33] nvdimm acpi: support Get Namespace Label Size function Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 16:41 ` Stefan Hajnoczi 2015-10-28 16:41 ` [Qemu-devel] " Stefan Hajnoczi 2015-10-29 2:16 ` Xiao Guangrong 2015-10-29 2:16 ` [Qemu-devel] " Xiao Guangrong 2015-10-29 14:14 ` Stefan Hajnoczi 2015-10-29 14:14 ` Stefan Hajnoczi 2015-10-28 22:26 ` [PATCH v5 29/33] nvdimm acpi: support Get Namespace Label Data function Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 16:46 ` Stefan Hajnoczi 2015-10-28 16:46 ` [Qemu-devel] " Stefan Hajnoczi 2015-10-29 2:25 ` Xiao Guangrong 2015-10-29 2:25 ` [Qemu-devel] " Xiao Guangrong 2015-10-29 2:58 ` Xiao Guangrong 2015-10-29 2:58 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 30/33] nvdimm acpi: support Set " Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 16:48 ` Stefan Hajnoczi 2015-10-28 16:48 ` [Qemu-devel] " Stefan Hajnoczi 2015-10-29 2:26 ` Xiao Guangrong 2015-10-29 2:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 31/33] nvdimm: allow using whole backend memory as pmem Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 32/33] nvdimm acpi: support _FIT method Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-28 22:26 ` [PATCH v5 33/33] nvdimm: add maintain info Xiao Guangrong 2015-10-28 22:26 ` [Qemu-devel] " Xiao Guangrong
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