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[2001:4830:134:3::11]) by mx.google.com with ESMTPS id f70si6186621qke.10.2018.12.04.06.07.06 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 04 Dec 2018 06:07:06 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from localhost ([::1]:57008 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gUBLu-0004Cs-AC for alex.bennee@linaro.org; Tue, 04 Dec 2018 09:07:06 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42869) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gUBLj-0004Bx-JX for qemu-arm@nongnu.org; Tue, 04 Dec 2018 09:06:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gUBLe-0006aD-Jn for qemu-arm@nongnu.org; Tue, 04 Dec 2018 09:06:55 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42652) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gUBLe-0006Yg-B5; Tue, 04 Dec 2018 09:06:50 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 89FCE58E42; Tue, 4 Dec 2018 14:06:48 +0000 (UTC) Received: from localhost (unknown [10.43.2.182]) by smtp.corp.redhat.com (Postfix) with ESMTP id E04475C23E; Tue, 4 Dec 2018 14:06:43 +0000 (UTC) Date: Tue, 4 Dec 2018 15:06:42 +0100 From: Igor Mammedov To: Samuel Ortiz Message-ID: <20181204150642.7a569e40@redhat.com> In-Reply-To: <20181130130032.11835-9-sameo@linux.intel.com> References: <20181130130032.11835-1-sameo@linux.intel.com> <20181130130032.11835-9-sameo@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 04 Dec 2018 14:06:48 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-arm] [PATCH v3 8/8] hw: acpi: Remove AcpiRsdpDescriptor and fix tests X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Peter Maydell , Thomas Huth , Eduardo Habkost , Ben Warren , "Michael S. Tsirkin" , qemu-devel@nongnu.org, Shannon Zhao , qemu-arm@nongnu.org, Marcel Apfelbaum , Paolo Bonzini , Richard Henderson Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-arm" X-TUID: hBn3/LIspvdV On Fri, 30 Nov 2018 14:00:32 +0100 Samuel Ortiz wrote: > The only remaining AcpiRsdpDescriptor users are the ACPI utils for the > BIOS table tests. > We remove that dependency and can thus remove the structure itself. > > Signed-off-by: Samuel Ortiz Reviewed-by: Igor Mammedov > --- > include/hw/acpi/acpi-defs.h | 13 ----------- > tests/acpi-utils.h | 4 +++- > tests/acpi-utils.c | 46 ++++++++++++++++++++++++++++++------- > tests/bios-tables-test.c | 21 +++++++++++++---- > tests/vmgenid-test.c | 8 ++++--- > 5 files changed, 62 insertions(+), 30 deletions(-) > > diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h > index 8425ecb8c6..5021cb9e79 100644 > --- a/include/hw/acpi/acpi-defs.h > +++ b/include/hw/acpi/acpi-defs.h > @@ -40,19 +40,6 @@ enum { > ACPI_FADT_F_LOW_POWER_S0_IDLE_CAPABLE, > }; > > -struct AcpiRsdpDescriptor { /* Root System Descriptor Pointer */ > - uint64_t signature; /* ACPI signature, contains "RSD PTR " */ > - uint8_t checksum; /* To make sum of struct == 0 */ > - uint8_t oem_id [6]; /* OEM identification */ > - uint8_t revision; /* Must be 0 for 1.0, 2 for 2.0 */ > - uint32_t rsdt_physical_address; /* 32-bit physical address of RSDT */ > - uint32_t length; /* XSDT Length in bytes including hdr */ > - uint64_t xsdt_physical_address; /* 64-bit physical address of XSDT */ > - uint8_t extended_checksum; /* Checksum of entire table */ > - uint8_t reserved [3]; /* Reserved field must be 0 */ > -} QEMU_PACKED; > -typedef struct AcpiRsdpDescriptor AcpiRsdpDescriptor; > - > typedef struct AcpiRsdpData { > uint8_t oem_id[6]; /* OEM identification */ > uint8_t revision; /* Must be 0 for 1.0, 2 for 2.0 */ > diff --git a/tests/acpi-utils.h b/tests/acpi-utils.h > index ac52abd0dd..4f4899deb5 100644 > --- a/tests/acpi-utils.h > +++ b/tests/acpi-utils.h > @@ -82,6 +82,8 @@ typedef struct { > > uint8_t acpi_calc_checksum(const uint8_t *data, int len); > uint32_t acpi_find_rsdp_address(void); > -void acpi_parse_rsdp_table(uint32_t addr, AcpiRsdpDescriptor *rsdp_table); > +uint32_t acpi_get_rsdt_address(uint8_t *rsdp_table); > +uint64_t acpi_get_xsdt_address(uint8_t *rsdp_table); > +void acpi_parse_rsdp_table(uint32_t addr, uint8_t *rsdp_table); > > #endif /* TEST_ACPI_UTILS_H */ > diff --git a/tests/acpi-utils.c b/tests/acpi-utils.c > index 41dc1ea9b4..d07f7487e2 100644 > --- a/tests/acpi-utils.c > +++ b/tests/acpi-utils.c > @@ -52,14 +52,44 @@ uint32_t acpi_find_rsdp_address(void) > return off; > } > > -void acpi_parse_rsdp_table(uint32_t addr, AcpiRsdpDescriptor *rsdp_table) > +uint32_t acpi_get_rsdt_address(uint8_t *rsdp_table) > { > - ACPI_READ_FIELD(rsdp_table->signature, addr); > - ACPI_ASSERT_CMP64(rsdp_table->signature, "RSD PTR "); > + uint32_t rsdt_physical_address; > > - ACPI_READ_FIELD(rsdp_table->checksum, addr); > - ACPI_READ_ARRAY(rsdp_table->oem_id, addr); > - ACPI_READ_FIELD(rsdp_table->revision, addr); > - ACPI_READ_FIELD(rsdp_table->rsdt_physical_address, addr); > - ACPI_READ_FIELD(rsdp_table->length, addr); > + memcpy(&rsdt_physical_address, &rsdp_table[16 /* RsdtAddress offset */], 4); > + return le32_to_cpu(rsdt_physical_address); > +} > + > +uint64_t acpi_get_xsdt_address(uint8_t *rsdp_table) > +{ > + uint64_t xsdt_physical_address; > + uint8_t revision = rsdp_table[15 /* Revision offset */]; > + > + /* We must have revision 2 if we're looking for an XSDT pointer */ > + g_assert(revision == 2); > + > + memcpy(&xsdt_physical_address, &rsdp_table[24 /* XsdtAddress offset */], 8); > + return le64_to_cpu(xsdt_physical_address); > +} > + > +void acpi_parse_rsdp_table(uint32_t addr, uint8_t *rsdp_table) > +{ > + uint8_t revision; > + > + /* Read mandatory revision 0 table data (20 bytes) first */ > + memread(addr, rsdp_table, 20); > + revision = rsdp_table[15 /* Revision offset */]; > + > + switch (revision) { > + case 0: /* ACPI 1.0 RSDP */ > + break; > + case 2: /* ACPI 2.0+ RSDP */ > + /* Read the rest of the RSDP table */ > + memread(addr + 20, rsdp_table + 20, 16); > + break; > + default: > + g_assert_not_reached(); > + } > + > + ACPI_ASSERT_CMP64(*((uint64_t *)(rsdp_table)), "RSD PTR "); > } > diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c > index d661d9be62..8749b77b36 100644 > --- a/tests/bios-tables-test.c > +++ b/tests/bios-tables-test.c > @@ -27,7 +27,7 @@ typedef struct { > const char *machine; > const char *variant; > uint32_t rsdp_addr; > - AcpiRsdpDescriptor rsdp_table; > + uint8_t rsdp_table[36 /* ACPI 2.0+ RSDP size */]; > AcpiRsdtDescriptorRev1 rsdt_table; > uint32_t dsdt_addr; > uint32_t facs_addr; > @@ -85,19 +85,30 @@ static void test_acpi_rsdp_address(test_data *data) > > static void test_acpi_rsdp_table(test_data *data) > { > - AcpiRsdpDescriptor *rsdp_table = &data->rsdp_table; > + uint8_t *rsdp_table = data->rsdp_table, revision; > uint32_t addr = data->rsdp_addr; > > acpi_parse_rsdp_table(addr, rsdp_table); > + revision = rsdp_table[15 /* Revision offset */]; > > - /* rsdp checksum is not for the whole table, but for the first 20 bytes */ > - g_assert(!acpi_calc_checksum((uint8_t *)rsdp_table, 20)); > + switch (revision) { > + case 0: /* ACPI 1.0 RSDP */ > + /* With rev 1, checksum is only for the first 20 bytes */ > + g_assert(!acpi_calc_checksum(rsdp_table, 20)); > + break; > + case 2: /* ACPI 2.0+ RSDP */ > + /* With revision 2, we have 2 checksums */ > + g_assert(!acpi_calc_checksum(rsdp_table, 20)); > + g_assert(!acpi_calc_checksum(rsdp_table, 36)); > + default: > + g_assert_not_reached(); > + } > } > > static void test_acpi_rsdt_table(test_data *data) > { > AcpiRsdtDescriptorRev1 *rsdt_table = &data->rsdt_table; > - uint32_t addr = le32_to_cpu(data->rsdp_table.rsdt_physical_address); > + uint32_t addr = acpi_get_rsdt_address(data->rsdp_table); > uint32_t *tables; > int tables_nr; > uint8_t checksum; > diff --git a/tests/vmgenid-test.c b/tests/vmgenid-test.c > index 0a6fb55f2e..97219ae86c 100644 > --- a/tests/vmgenid-test.c > +++ b/tests/vmgenid-test.c > @@ -35,7 +35,7 @@ static uint32_t acpi_find_vgia(void) > { > uint32_t rsdp_offset; > uint32_t guid_offset = 0; > - AcpiRsdpDescriptor rsdp_table; > + uint8_t rsdp_table[36 /* ACPI 2.0+ RSDP size */]; > uint32_t rsdt, rsdt_table_length; > AcpiRsdtDescriptorRev1 rsdt_table; > size_t tables_nr; > @@ -52,9 +52,11 @@ static uint32_t acpi_find_vgia(void) > > g_assert_cmphex(rsdp_offset, <, RSDP_ADDR_INVALID); > > - acpi_parse_rsdp_table(rsdp_offset, &rsdp_table); > + acpi_parse_rsdp_table(rsdp_offset, rsdp_table); > + > + rsdt = acpi_get_rsdt_address(rsdp_table); > + g_assert(rsdt); > > - rsdt = le32_to_cpu(rsdp_table.rsdt_physical_address); > /* read the header */ > ACPI_READ_TABLE_HEADER(&rsdt_table, rsdt); > ACPI_ASSERT_CMP(rsdt_table.signature, "RSDT"); From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44376) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gUBQf-0007XM-TF for qemu-devel@nongnu.org; Tue, 04 Dec 2018 09:12:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gUBQb-0001ue-0M for qemu-devel@nongnu.org; Tue, 04 Dec 2018 09:12:01 -0500 Date: Tue, 4 Dec 2018 15:06:42 +0100 From: Igor Mammedov Message-ID: <20181204150642.7a569e40@redhat.com> In-Reply-To: <20181130130032.11835-9-sameo@linux.intel.com> References: <20181130130032.11835-1-sameo@linux.intel.com> <20181130130032.11835-9-sameo@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v3 8/8] hw: acpi: Remove AcpiRsdpDescriptor and fix tests List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Samuel Ortiz Cc: qemu-devel@nongnu.org, Peter Maydell , Laurent Vivier , Thomas Huth , Eduardo Habkost , Paolo Bonzini , Richard Henderson , qemu-arm@nongnu.org, Ben Warren , Marcel Apfelbaum , "Michael S. Tsirkin" , Shannon Zhao On Fri, 30 Nov 2018 14:00:32 +0100 Samuel Ortiz wrote: > The only remaining AcpiRsdpDescriptor users are the ACPI utils for the > BIOS table tests. > We remove that dependency and can thus remove the structure itself. > > Signed-off-by: Samuel Ortiz Reviewed-by: Igor Mammedov > --- > include/hw/acpi/acpi-defs.h | 13 ----------- > tests/acpi-utils.h | 4 +++- > tests/acpi-utils.c | 46 ++++++++++++++++++++++++++++++------- > tests/bios-tables-test.c | 21 +++++++++++++---- > tests/vmgenid-test.c | 8 ++++--- > 5 files changed, 62 insertions(+), 30 deletions(-) > > diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h > index 8425ecb8c6..5021cb9e79 100644 > --- a/include/hw/acpi/acpi-defs.h > +++ b/include/hw/acpi/acpi-defs.h > @@ -40,19 +40,6 @@ enum { > ACPI_FADT_F_LOW_POWER_S0_IDLE_CAPABLE, > }; > > -struct AcpiRsdpDescriptor { /* Root System Descriptor Pointer */ > - uint64_t signature; /* ACPI signature, contains "RSD PTR " */ > - uint8_t checksum; /* To make sum of struct == 0 */ > - uint8_t oem_id [6]; /* OEM identification */ > - uint8_t revision; /* Must be 0 for 1.0, 2 for 2.0 */ > - uint32_t rsdt_physical_address; /* 32-bit physical address of RSDT */ > - uint32_t length; /* XSDT Length in bytes including hdr */ > - uint64_t xsdt_physical_address; /* 64-bit physical address of XSDT */ > - uint8_t extended_checksum; /* Checksum of entire table */ > - uint8_t reserved [3]; /* Reserved field must be 0 */ > -} QEMU_PACKED; > -typedef struct AcpiRsdpDescriptor AcpiRsdpDescriptor; > - > typedef struct AcpiRsdpData { > uint8_t oem_id[6]; /* OEM identification */ > uint8_t revision; /* Must be 0 for 1.0, 2 for 2.0 */ > diff --git a/tests/acpi-utils.h b/tests/acpi-utils.h > index ac52abd0dd..4f4899deb5 100644 > --- a/tests/acpi-utils.h > +++ b/tests/acpi-utils.h > @@ -82,6 +82,8 @@ typedef struct { > > uint8_t acpi_calc_checksum(const uint8_t *data, int len); > uint32_t acpi_find_rsdp_address(void); > -void acpi_parse_rsdp_table(uint32_t addr, AcpiRsdpDescriptor *rsdp_table); > +uint32_t acpi_get_rsdt_address(uint8_t *rsdp_table); > +uint64_t acpi_get_xsdt_address(uint8_t *rsdp_table); > +void acpi_parse_rsdp_table(uint32_t addr, uint8_t *rsdp_table); > > #endif /* TEST_ACPI_UTILS_H */ > diff --git a/tests/acpi-utils.c b/tests/acpi-utils.c > index 41dc1ea9b4..d07f7487e2 100644 > --- a/tests/acpi-utils.c > +++ b/tests/acpi-utils.c > @@ -52,14 +52,44 @@ uint32_t acpi_find_rsdp_address(void) > return off; > } > > -void acpi_parse_rsdp_table(uint32_t addr, AcpiRsdpDescriptor *rsdp_table) > +uint32_t acpi_get_rsdt_address(uint8_t *rsdp_table) > { > - ACPI_READ_FIELD(rsdp_table->signature, addr); > - ACPI_ASSERT_CMP64(rsdp_table->signature, "RSD PTR "); > + uint32_t rsdt_physical_address; > > - ACPI_READ_FIELD(rsdp_table->checksum, addr); > - ACPI_READ_ARRAY(rsdp_table->oem_id, addr); > - ACPI_READ_FIELD(rsdp_table->revision, addr); > - ACPI_READ_FIELD(rsdp_table->rsdt_physical_address, addr); > - ACPI_READ_FIELD(rsdp_table->length, addr); > + memcpy(&rsdt_physical_address, &rsdp_table[16 /* RsdtAddress offset */], 4); > + return le32_to_cpu(rsdt_physical_address); > +} > + > +uint64_t acpi_get_xsdt_address(uint8_t *rsdp_table) > +{ > + uint64_t xsdt_physical_address; > + uint8_t revision = rsdp_table[15 /* Revision offset */]; > + > + /* We must have revision 2 if we're looking for an XSDT pointer */ > + g_assert(revision == 2); > + > + memcpy(&xsdt_physical_address, &rsdp_table[24 /* XsdtAddress offset */], 8); > + return le64_to_cpu(xsdt_physical_address); > +} > + > +void acpi_parse_rsdp_table(uint32_t addr, uint8_t *rsdp_table) > +{ > + uint8_t revision; > + > + /* Read mandatory revision 0 table data (20 bytes) first */ > + memread(addr, rsdp_table, 20); > + revision = rsdp_table[15 /* Revision offset */]; > + > + switch (revision) { > + case 0: /* ACPI 1.0 RSDP */ > + break; > + case 2: /* ACPI 2.0+ RSDP */ > + /* Read the rest of the RSDP table */ > + memread(addr + 20, rsdp_table + 20, 16); > + break; > + default: > + g_assert_not_reached(); > + } > + > + ACPI_ASSERT_CMP64(*((uint64_t *)(rsdp_table)), "RSD PTR "); > } > diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c > index d661d9be62..8749b77b36 100644 > --- a/tests/bios-tables-test.c > +++ b/tests/bios-tables-test.c > @@ -27,7 +27,7 @@ typedef struct { > const char *machine; > const char *variant; > uint32_t rsdp_addr; > - AcpiRsdpDescriptor rsdp_table; > + uint8_t rsdp_table[36 /* ACPI 2.0+ RSDP size */]; > AcpiRsdtDescriptorRev1 rsdt_table; > uint32_t dsdt_addr; > uint32_t facs_addr; > @@ -85,19 +85,30 @@ static void test_acpi_rsdp_address(test_data *data) > > static void test_acpi_rsdp_table(test_data *data) > { > - AcpiRsdpDescriptor *rsdp_table = &data->rsdp_table; > + uint8_t *rsdp_table = data->rsdp_table, revision; > uint32_t addr = data->rsdp_addr; > > acpi_parse_rsdp_table(addr, rsdp_table); > + revision = rsdp_table[15 /* Revision offset */]; > > - /* rsdp checksum is not for the whole table, but for the first 20 bytes */ > - g_assert(!acpi_calc_checksum((uint8_t *)rsdp_table, 20)); > + switch (revision) { > + case 0: /* ACPI 1.0 RSDP */ > + /* With rev 1, checksum is only for the first 20 bytes */ > + g_assert(!acpi_calc_checksum(rsdp_table, 20)); > + break; > + case 2: /* ACPI 2.0+ RSDP */ > + /* With revision 2, we have 2 checksums */ > + g_assert(!acpi_calc_checksum(rsdp_table, 20)); > + g_assert(!acpi_calc_checksum(rsdp_table, 36)); > + default: > + g_assert_not_reached(); > + } > } > > static void test_acpi_rsdt_table(test_data *data) > { > AcpiRsdtDescriptorRev1 *rsdt_table = &data->rsdt_table; > - uint32_t addr = le32_to_cpu(data->rsdp_table.rsdt_physical_address); > + uint32_t addr = acpi_get_rsdt_address(data->rsdp_table); > uint32_t *tables; > int tables_nr; > uint8_t checksum; > diff --git a/tests/vmgenid-test.c b/tests/vmgenid-test.c > index 0a6fb55f2e..97219ae86c 100644 > --- a/tests/vmgenid-test.c > +++ b/tests/vmgenid-test.c > @@ -35,7 +35,7 @@ static uint32_t acpi_find_vgia(void) > { > uint32_t rsdp_offset; > uint32_t guid_offset = 0; > - AcpiRsdpDescriptor rsdp_table; > + uint8_t rsdp_table[36 /* ACPI 2.0+ RSDP size */]; > uint32_t rsdt, rsdt_table_length; > AcpiRsdtDescriptorRev1 rsdt_table; > size_t tables_nr; > @@ -52,9 +52,11 @@ static uint32_t acpi_find_vgia(void) > > g_assert_cmphex(rsdp_offset, <, RSDP_ADDR_INVALID); > > - acpi_parse_rsdp_table(rsdp_offset, &rsdp_table); > + acpi_parse_rsdp_table(rsdp_offset, rsdp_table); > + > + rsdt = acpi_get_rsdt_address(rsdp_table); > + g_assert(rsdt); > > - rsdt = le32_to_cpu(rsdp_table.rsdt_physical_address); > /* read the header */ > ACPI_READ_TABLE_HEADER(&rsdt_table, rsdt); > ACPI_ASSERT_CMP(rsdt_table.signature, "RSDT");