From patchwork Fri Oct 28 16:11:51 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Guangrong X-Patchwork-Id: 9402277 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 00323601C0 for ; Fri, 28 Oct 2016 16:27:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E83B22A8A1 for ; Fri, 28 Oct 2016 16:27:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DD2532A8AC; Fri, 28 Oct 2016 16:27:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3BE052A8A9 for ; Fri, 28 Oct 2016 16:27:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030340AbcJ1Q1J (ORCPT ); Fri, 28 Oct 2016 12:27:09 -0400 Received: from mga09.intel.com ([134.134.136.24]:51244 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030325AbcJ1Q1G (ORCPT ); Fri, 28 Oct 2016 12:27:06 -0400 Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP; 28 Oct 2016 09:27:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,410,1473145200"; d="scan'208";a="779122145" Received: from xiaoreal1.sh.intel.com (HELO xiaoreal1.sh.intel.com.sh.intel.com) ([10.239.48.133]) by FMSMGA003.fm.intel.com with ESMTP; 28 Oct 2016 09:27:04 -0700 From: Xiao Guangrong 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 Subject: [PATCH 3/8] acpi nvdimm: fix OperationRegion definition Date: Sat, 29 Oct 2016 00:11:51 +0800 Message-Id: <1477671116-24079-4-git-send-email-guangrong.xiao@linux.intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1477671116-24079-1-git-send-email-guangrong.xiao@linux.intel.com> References: <1477671116-24079-1-git-send-email-guangrong.xiao@linux.intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Based on ACPI spec: RegionOffset := TermArg => Integer However, Named object is not a TermArg. This patch moves OperationRegion to NCAL() and uses localX as its RegionOffset Suggested-by: Igor Mammedov Signed-off-by: Xiao Guangrong --- hw/acpi/nvdimm.c | 122 ++++++++++++++++++++++++++++--------------------------- 1 file changed, 62 insertions(+), 60 deletions(-) diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index 05fdf9c..c2f5caa 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -780,14 +780,73 @@ static void nvdimm_build_common_dsm(Aml *dev) { Aml *method, *ifctx, *function, *handle, *uuid, *dsm_mem, *result_size; Aml *elsectx, *unsupport, *unpatched, *expected_uuid, *uuid_invalid; - Aml *pckg, *pckg_index, *pckg_buf; + Aml *pckg, *pckg_index, *pckg_buf, *field; uint8_t byte_list[1]; method = aml_method(NVDIMM_COMMON_DSM, 5, AML_SERIALIZED); uuid = aml_arg(0); function = aml_arg(2); handle = aml_arg(4); - dsm_mem = aml_name(NVDIMM_ACPI_MEM_ADDR); + dsm_mem = aml_local(6); + + aml_append(method, aml_store(aml_name(NVDIMM_ACPI_MEM_ADDR), dsm_mem)); + + /* map DSM memory and IO into ACPI namespace. */ + aml_append(method, aml_operation_region("NPIO", AML_SYSTEM_IO, + aml_int(NVDIMM_ACPI_IO_BASE), NVDIMM_ACPI_IO_LEN)); + aml_append(method, aml_operation_region("NRAM", AML_SYSTEM_MEMORY, + dsm_mem, sizeof(NvdimmDsmIn))); + + /* + * DSM notifier: + * NTFI: write the address of DSM memory and notify QEMU to emulate + * the access. + * + * It is the IO port so that accessing them will cause VM-exit, the + * control will be transferred to QEMU. + */ + field = aml_field("NPIO", AML_DWORD_ACC, AML_NOLOCK, AML_PRESERVE); + aml_append(field, aml_named_field("NTFI", + sizeof(uint32_t) * BITS_PER_BYTE)); + aml_append(method, field); + + /* + * DSM input: + * HDLE: store device's handle, it's zero if the _DSM call happens + * on NVDIMM Root Device. + * REVS: store the Arg1 of _DSM call. + * FUNC: store the Arg2 of _DSM call. + * ARG3: store the Arg3 of _DSM call. + * + * They are RAM mapping on host so that these accesses never cause + * VM-EXIT. + */ + field = aml_field("NRAM", AML_DWORD_ACC, AML_NOLOCK, AML_PRESERVE); + aml_append(field, aml_named_field("HDLE", + sizeof(typeof_field(NvdimmDsmIn, handle)) * BITS_PER_BYTE)); + aml_append(field, aml_named_field("REVS", + sizeof(typeof_field(NvdimmDsmIn, revision)) * BITS_PER_BYTE)); + aml_append(field, aml_named_field("FUNC", + sizeof(typeof_field(NvdimmDsmIn, function)) * BITS_PER_BYTE)); + aml_append(field, aml_named_field("ARG3", + (sizeof(NvdimmDsmIn) - offsetof(NvdimmDsmIn, arg3)) * BITS_PER_BYTE)); + aml_append(method, field); + + /* + * DSM output: + * RLEN: the size of the buffer filled by QEMU. + * ODAT: the buffer QEMU uses to store the result. + * + * Since the page is reused by both input and out, the input data + * will be lost after storing new result into ODAT so we should fetch + * all the input data before writing the result. + */ + field = aml_field("NRAM", AML_DWORD_ACC, AML_NOLOCK, AML_PRESERVE); + aml_append(field, aml_named_field("RLEN", + sizeof(typeof_field(NvdimmDsmOut, len)) * BITS_PER_BYTE)); + aml_append(field, aml_named_field("ODAT", + (sizeof(NvdimmDsmOut) - offsetof(NvdimmDsmOut, data)) * BITS_PER_BYTE)); + aml_append(method, field); /* * do not support any method if DSM memory address has not been @@ -914,7 +973,7 @@ static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets, GArray *table_data, BIOSLinker *linker, GArray *dsm_dma_arrea) { - Aml *ssdt, *sb_scope, *dev, *field; + Aml *ssdt, *sb_scope, *dev; int mem_addr_offset, nvdimm_ssdt; acpi_add_table(table_offsets, table_data); @@ -939,63 +998,6 @@ static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets, */ aml_append(dev, aml_name_decl("_HID", aml_string("ACPI0012"))); - /* map DSM memory and IO into ACPI namespace. */ - aml_append(dev, aml_operation_region("NPIO", AML_SYSTEM_IO, - aml_int(NVDIMM_ACPI_IO_BASE), NVDIMM_ACPI_IO_LEN)); - aml_append(dev, aml_operation_region("NRAM", AML_SYSTEM_MEMORY, - aml_name(NVDIMM_ACPI_MEM_ADDR), sizeof(NvdimmDsmIn))); - - /* - * DSM notifier: - * NTFI: write the address of DSM memory and notify QEMU to emulate - * the access. - * - * It is the IO port so that accessing them will cause VM-exit, the - * control will be transferred to QEMU. - */ - field = aml_field("NPIO", AML_DWORD_ACC, AML_NOLOCK, AML_PRESERVE); - aml_append(field, aml_named_field("NTFI", - sizeof(uint32_t) * BITS_PER_BYTE)); - aml_append(dev, field); - - /* - * DSM input: - * HDLE: store device's handle, it's zero if the _DSM call happens - * on NVDIMM Root Device. - * REVS: store the Arg1 of _DSM call. - * FUNC: store the Arg2 of _DSM call. - * ARG3: store the Arg3 of _DSM call. - * - * They are RAM mapping on host so that these accesses never cause - * VM-EXIT. - */ - field = aml_field("NRAM", AML_DWORD_ACC, AML_NOLOCK, AML_PRESERVE); - aml_append(field, aml_named_field("HDLE", - sizeof(typeof_field(NvdimmDsmIn, handle)) * BITS_PER_BYTE)); - aml_append(field, aml_named_field("REVS", - sizeof(typeof_field(NvdimmDsmIn, revision)) * BITS_PER_BYTE)); - aml_append(field, aml_named_field("FUNC", - sizeof(typeof_field(NvdimmDsmIn, function)) * BITS_PER_BYTE)); - aml_append(field, aml_named_field("ARG3", - (sizeof(NvdimmDsmIn) - offsetof(NvdimmDsmIn, arg3)) * BITS_PER_BYTE)); - aml_append(dev, field); - - /* - * DSM output: - * RLEN: the size of the buffer filled by QEMU. - * ODAT: the buffer QEMU uses to store the result. - * - * Since the page is reused by both input and out, the input data - * will be lost after storing new result into ODAT so we should fetch - * all the input data before writing the result. - */ - field = aml_field("NRAM", AML_DWORD_ACC, AML_NOLOCK, AML_PRESERVE); - aml_append(field, aml_named_field("RLEN", - sizeof(typeof_field(NvdimmDsmOut, len)) * BITS_PER_BYTE)); - aml_append(field, aml_named_field("ODAT", - (sizeof(NvdimmDsmOut) - offsetof(NvdimmDsmOut, data)) * BITS_PER_BYTE)); - aml_append(dev, field); - nvdimm_build_common_dsm(dev); /* 0 is reserved for root device. */