| Message ID | 20220915204029.1227112-2-jennifer.herbert@citrix.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] acpi: Make TPM version configurable. | expand |
On 15.09.2022 22:40, Jennifer Herbert wrote: > --- a/tools/firmware/hvmloader/config.h > +++ b/tools/firmware/hvmloader/config.h > @@ -56,6 +56,7 @@ extern uint8_t ioapic_version; > #define PCI_ISA_IRQ_MASK 0x0c20U /* ISA IRQs 5,10,11 are PCI connected */ > > #define ACPI_TIS_HDR_ADDRESS 0xFED40F00UL > +#define ACPI_CRB_HDR_ADDRESS 0xFED40034UL I understand it may not be feasible to express this here as a proper derivation from other constants, but then you want to have a BUILD_BUG_ON() somewhere making (and guaranteeing) the connection. Thi may of course involve moving the #define to a header which both hvmloader and libacpi can (legitimately) include. > --- a/tools/firmware/hvmloader/util.c > +++ b/tools/firmware/hvmloader/util.c > @@ -1009,6 +1009,13 @@ void hvmloader_acpi_build_tables(struct acpi_config *config, > config->table_flags |= ACPI_HAS_TPM; > config->tis_hdr = (uint16_t *)ACPI_TIS_HDR_ADDRESS; > break; > + case 2: > + config->table_flags |= ACPI_HAS_TPM; > + config->crb_hdr = (uint16_t *)ACPI_CRB_HDR_ADDRESS; > + > + mem_hole_populate_ram(TPM_LOG_AREA_ADDRESS >> PAGE_SHIFT, TPM_LOG_SIZE >> PAGE_SHIFT); Nit: Long line. > + memset((void *)(TPM_LOG_AREA_ADDRESS), 0, TPM_LOG_SIZE); No need to parenthesize the operand of the cast? Jan
Hi, Are any further changes needed to upstream this patch series? Cheers, -jenny -----Original Message----- From: Jennifer Herbert <jennifer.herbert@citrix.com> Sent: 15 September 2022 21:40 To: jbeulich@suse.com; Andrew Cooper <Andrew.Cooper3@citrix.com>; wl@xen.org; Roger Pau Monne <roger.pau@citrix.com> Cc: xen-devel@lists.xenproject.org; Jennifer Herbert <jennifer.herbert@citrix.com> Subject: [PATCH 2/2] acpi: Add TPM2 interface definition. This patch introduces an optional TPM 2 interface definition to the ACPI table, which is to be used as part of a vTPM 2 implementation. Signed-off-by: Jennifer Herbert <jennifer.herbert@citrix.com> --- tools/firmware/hvmloader/config.h | 1 + tools/firmware/hvmloader/util.c | 7 ++++++ tools/libacpi/Makefile | 2 +- tools/libacpi/acpi2_0.h | 26 ++++++++++++++++++++++ tools/libacpi/build.c | 35 ++++++++++++++++++++++++++++++ tools/libacpi/libacpi.h | 1 + tools/libacpi/ssdt_tpm2.asl | 36 +++++++++++++++++++++++++++++++ 7 files changed, 107 insertions(+), 1 deletion(-) create mode 100644 tools/libacpi/ssdt_tpm2.asl diff --git a/tools/firmware/hvmloader/config.h b/tools/firmware/hvmloader/config.h index c82adf6dc5..4dec7195f0 100644 --- a/tools/firmware/hvmloader/config.h +++ b/tools/firmware/hvmloader/config.h @@ -56,6 +56,7 @@ extern uint8_t ioapic_version; #define PCI_ISA_IRQ_MASK 0x0c20U /* ISA IRQs 5,10,11 are PCI connected */ #define ACPI_TIS_HDR_ADDRESS 0xFED40F00UL +#define ACPI_CRB_HDR_ADDRESS 0xFED40034UL extern uint32_t pci_mem_start; extern const uint32_t pci_mem_end; diff --git a/tools/firmware/hvmloader/util.c b/tools/firmware/hvmloader/util.c index 87bc2d677f..6e5d3609b9 100644 --- a/tools/firmware/hvmloader/util.c +++ b/tools/firmware/hvmloader/util.c @@ -1009,6 +1009,13 @@ void hvmloader_acpi_build_tables(struct acpi_config *config, config->table_flags |= ACPI_HAS_TPM; config->tis_hdr = (uint16_t *)ACPI_TIS_HDR_ADDRESS; break; + case 2: + config->table_flags |= ACPI_HAS_TPM; + config->crb_hdr = (uint16_t *)ACPI_CRB_HDR_ADDRESS; + + mem_hole_populate_ram(TPM_LOG_AREA_ADDRESS >> PAGE_SHIFT, TPM_LOG_SIZE >> PAGE_SHIFT); + memset((void *)(TPM_LOG_AREA_ADDRESS), 0, TPM_LOG_SIZE); + break; } config->numa.nr_vmemranges = nr_vmemranges; diff --git a/tools/libacpi/Makefile b/tools/libacpi/Makefile index 60860eaa00..125f29fb54 100644 --- a/tools/libacpi/Makefile +++ b/tools/libacpi/Makefile @@ -25,7 +25,7 @@ C_SRC-$(CONFIG_X86) = dsdt_anycpu.c dsdt_15cpu.c dsdt_anycpu_qemu_xen.c dsdt_pvh C_SRC-$(CONFIG_ARM_64) = dsdt_anycpu_arm.c DSDT_FILES ?= $(C_SRC-y) C_SRC = $(addprefix $(ACPI_BUILD_DIR)/, $(DSDT_FILES)) -H_SRC = $(addprefix $(ACPI_BUILD_DIR)/, ssdt_s3.h ssdt_s4.h ssdt_pm.h ssdt_tpm.h ssdt_laptop_slate.h) +H_SRC = $(addprefix $(ACPI_BUILD_DIR)/, ssdt_s3.h ssdt_s4.h ssdt_pm.h +ssdt_tpm.h ssdt_tpm2.h ssdt_laptop_slate.h) MKDSDT_CFLAGS-$(CONFIG_ARM_64) = -DCONFIG_ARM_64 MKDSDT_CFLAGS-$(CONFIG_X86) = -DCONFIG_X86 diff --git a/tools/libacpi/acpi2_0.h b/tools/libacpi/acpi2_0.h index 2619ba32db..f4eb4d715b 100644 --- a/tools/libacpi/acpi2_0.h +++ b/tools/libacpi/acpi2_0.h @@ -121,6 +121,30 @@ struct acpi_20_tcpa { }; #define ACPI_2_0_TCPA_LAML_SIZE (64*1024) +/* + * TPM2 + */ +struct acpi_20_tpm2 { + struct acpi_header header; + uint16_t platform_class; + uint16_t reserved; + uint64_t control_area_address; + uint32_t start_method; + uint8_t start_method_params[12]; + uint32_t log_area_minimum_length; + uint64_t log_area_start_address; +}; +#define TPM2_ACPI_CLASS_CLIENT 0 +#define TPM2_START_METHOD_CRB 7 + +#define TPM_CRB_ADDR_BASE 0xFED40000 +#define TPM_CRB_ADDR_CTRL (TPM_CRB_ADDR_BASE + 0x40) + +#define TPM_LOG_AREA_ADDRESS 0xFED50000 + +#define TPM_LOG_AREA_MINIMUM_SIZE (64 << 10) +#define TPM_LOG_SIZE (64 << 10) + /* * Fixed ACPI Description Table Structure (FADT) in ACPI 1.0. */ @@ -431,6 +455,7 @@ struct acpi_20_slit { #define ACPI_2_0_RSDT_SIGNATURE ASCII32('R','S','D','T') #define ACPI_2_0_XSDT_SIGNATURE ASCII32('X','S','D','T') #define ACPI_2_0_TCPA_SIGNATURE ASCII32('T','C','P','A') +#define ACPI_2_0_TPM2_SIGNATURE ASCII32('T','P','M','2') #define ACPI_2_0_HPET_SIGNATURE ASCII32('H','P','E','T') #define ACPI_2_0_WAET_SIGNATURE ASCII32('W','A','E','T') #define ACPI_2_0_SRAT_SIGNATURE ASCII32('S','R','A','T') @@ -444,6 +469,7 @@ struct acpi_20_slit { #define ACPI_2_0_RSDT_REVISION 0x01 #define ACPI_2_0_XSDT_REVISION 0x01 #define ACPI_2_0_TCPA_REVISION 0x02 +#define ACPI_2_0_TPM2_REVISION 0x04 #define ACPI_2_0_HPET_REVISION 0x01 #define ACPI_2_0_WAET_REVISION 0x01 #define ACPI_1_0_FADT_REVISION 0x01 diff --git a/tools/libacpi/build.c b/tools/libacpi/build.c index d313ccd8cf..d4f25a68d2 100644 --- a/tools/libacpi/build.c +++ b/tools/libacpi/build.c @@ -19,6 +19,7 @@ #include "ssdt_s3.h" #include "ssdt_s4.h" #include "ssdt_tpm.h" +#include "ssdt_tpm2.h" #include "ssdt_pm.h" #include "ssdt_laptop_slate.h" #include <xen/hvm/hvm_info_table.h> @@ -352,6 +353,7 @@ static int construct_secondary_tables(struct acpi_ctxt *ctxt, struct acpi_20_tcpa *tcpa; unsigned char *ssdt; void *lasa; + struct acpi_20_tpm2 *tpm2; /* MADT. */ if ( (config->hvminfo->nr_vcpus > 1) || config->hvminfo->apic_mode ) @@ -449,6 +451,39 @@ static int construct_secondary_tables(struct acpi_ctxt *ctxt, tcpa->header.length); } break; + + case 2: + if (!config->crb_hdr || + config->crb_hdr[0] == 0 || config->crb_hdr[0] == 0xffff) + break; + + ssdt = ctxt->mem_ops.alloc(ctxt, sizeof(ssdt_tpm2), 16); + if (!ssdt) return -1; + memcpy(ssdt, ssdt_tpm2, sizeof(ssdt_tpm2)); + table_ptrs[nr_tables++] = ctxt->mem_ops.v2p(ctxt, ssdt); + + tpm2 = ctxt->mem_ops.alloc(ctxt, sizeof(struct acpi_20_tpm2), 16); + if (!tpm2) return -1; + memset(tpm2, 0, sizeof(*tpm2)); + table_ptrs[nr_tables++] = ctxt->mem_ops.v2p(ctxt, tpm2); + + tpm2->header.signature = ACPI_2_0_TPM2_SIGNATURE; + tpm2->header.length = sizeof(*tpm2); + tpm2->header.revision = ACPI_2_0_TPM2_REVISION; + fixed_strcpy(tpm2->header.oem_id, ACPI_OEM_ID); + fixed_strcpy(tpm2->header.oem_table_id, ACPI_OEM_TABLE_ID); + tpm2->header.oem_revision = ACPI_OEM_REVISION; + tpm2->header.creator_id = ACPI_CREATOR_ID; + tpm2->header.creator_revision = ACPI_CREATOR_REVISION; + tpm2->platform_class = TPM2_ACPI_CLASS_CLIENT; + tpm2->control_area_address = TPM_CRB_ADDR_CTRL; + tpm2->start_method = TPM2_START_METHOD_CRB; + tpm2->log_area_minimum_length = TPM_LOG_AREA_MINIMUM_SIZE; + tpm2->log_area_start_address = TPM_LOG_AREA_ADDRESS; + + set_checksum(tpm2, + offsetof(struct acpi_header, checksum), + tpm2->header.length); } } diff --git a/tools/libacpi/libacpi.h b/tools/libacpi/libacpi.h index 9143616130..b5d08ff09b 100644 --- a/tools/libacpi/libacpi.h +++ b/tools/libacpi/libacpi.h @@ -80,6 +80,7 @@ struct acpi_config { uint8_t tpm_version; const uint16_t *tis_hdr; + const uint16_t *crb_hdr; /* * Address where acpi_info should be placed. * This must match the OperationRegion(BIOS, SystemMemory, ....) diff --git a/tools/libacpi/ssdt_tpm2.asl b/tools/libacpi/ssdt_tpm2.asl new file mode 100644 index 0000000000..1801c338df --- /dev/null +++ b/tools/libacpi/ssdt_tpm2.asl @@ -0,0 +1,36 @@ +/* + * ssdt_tpm2.asl + * + * Copyright (c) 2018-2022, Citrix Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as +published + * by the Free Software Foundation; version 2.1 only. with the special + * exception on linking described in file LICENSE. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + */ + +/* SSDT for TPM CRB Interface for Xen with Qemu device model. */ + +DefinitionBlock ("SSDT_TPM2.aml", "SSDT", 2, "Xen", "HVM", 0) { + Device (TPM) + { + Name (_HID, "MSFT0101" /* TPM 2.0 Security Device */) // _HID: Hardware ID + Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings + { + Memory32Fixed (ReadWrite, + 0xFED40000, // Address Base + 0x00001000, // Address Length + ) + }) + Method (_STA, 0, NotSerialized) // _STA: Status + { + Return (0x0F) + } + } +} -- 2.31.1
On 11.10.2022 17:53, Jennifer Herbert wrote:
> Are any further changes needed to upstream this patch series?
On Sept 19th Jason and I gave comments on the series, which will want
addressing one way or another (presumably in a v2).
Jan
diff --git a/tools/firmware/hvmloader/config.h b/tools/firmware/hvmloader/config.h index c82adf6dc5..4dec7195f0 100644 --- a/tools/firmware/hvmloader/config.h +++ b/tools/firmware/hvmloader/config.h @@ -56,6 +56,7 @@ extern uint8_t ioapic_version; #define PCI_ISA_IRQ_MASK 0x0c20U /* ISA IRQs 5,10,11 are PCI connected */ #define ACPI_TIS_HDR_ADDRESS 0xFED40F00UL +#define ACPI_CRB_HDR_ADDRESS 0xFED40034UL extern uint32_t pci_mem_start; extern const uint32_t pci_mem_end; diff --git a/tools/firmware/hvmloader/util.c b/tools/firmware/hvmloader/util.c index 87bc2d677f..6e5d3609b9 100644 --- a/tools/firmware/hvmloader/util.c +++ b/tools/firmware/hvmloader/util.c @@ -1009,6 +1009,13 @@ void hvmloader_acpi_build_tables(struct acpi_config *config, config->table_flags |= ACPI_HAS_TPM; config->tis_hdr = (uint16_t *)ACPI_TIS_HDR_ADDRESS; break; + case 2: + config->table_flags |= ACPI_HAS_TPM; + config->crb_hdr = (uint16_t *)ACPI_CRB_HDR_ADDRESS; + + mem_hole_populate_ram(TPM_LOG_AREA_ADDRESS >> PAGE_SHIFT, TPM_LOG_SIZE >> PAGE_SHIFT); + memset((void *)(TPM_LOG_AREA_ADDRESS), 0, TPM_LOG_SIZE); + break; } config->numa.nr_vmemranges = nr_vmemranges; diff --git a/tools/libacpi/Makefile b/tools/libacpi/Makefile index 60860eaa00..125f29fb54 100644 --- a/tools/libacpi/Makefile +++ b/tools/libacpi/Makefile @@ -25,7 +25,7 @@ C_SRC-$(CONFIG_X86) = dsdt_anycpu.c dsdt_15cpu.c dsdt_anycpu_qemu_xen.c dsdt_pvh C_SRC-$(CONFIG_ARM_64) = dsdt_anycpu_arm.c DSDT_FILES ?= $(C_SRC-y) C_SRC = $(addprefix $(ACPI_BUILD_DIR)/, $(DSDT_FILES)) -H_SRC = $(addprefix $(ACPI_BUILD_DIR)/, ssdt_s3.h ssdt_s4.h ssdt_pm.h ssdt_tpm.h ssdt_laptop_slate.h) +H_SRC = $(addprefix $(ACPI_BUILD_DIR)/, ssdt_s3.h ssdt_s4.h ssdt_pm.h ssdt_tpm.h ssdt_tpm2.h ssdt_laptop_slate.h) MKDSDT_CFLAGS-$(CONFIG_ARM_64) = -DCONFIG_ARM_64 MKDSDT_CFLAGS-$(CONFIG_X86) = -DCONFIG_X86 diff --git a/tools/libacpi/acpi2_0.h b/tools/libacpi/acpi2_0.h index 2619ba32db..f4eb4d715b 100644 --- a/tools/libacpi/acpi2_0.h +++ b/tools/libacpi/acpi2_0.h @@ -121,6 +121,30 @@ struct acpi_20_tcpa { }; #define ACPI_2_0_TCPA_LAML_SIZE (64*1024) +/* + * TPM2 + */ +struct acpi_20_tpm2 { + struct acpi_header header; + uint16_t platform_class; + uint16_t reserved; + uint64_t control_area_address; + uint32_t start_method; + uint8_t start_method_params[12]; + uint32_t log_area_minimum_length; + uint64_t log_area_start_address; +}; +#define TPM2_ACPI_CLASS_CLIENT 0 +#define TPM2_START_METHOD_CRB 7 + +#define TPM_CRB_ADDR_BASE 0xFED40000 +#define TPM_CRB_ADDR_CTRL (TPM_CRB_ADDR_BASE + 0x40) + +#define TPM_LOG_AREA_ADDRESS 0xFED50000 + +#define TPM_LOG_AREA_MINIMUM_SIZE (64 << 10) +#define TPM_LOG_SIZE (64 << 10) + /* * Fixed ACPI Description Table Structure (FADT) in ACPI 1.0. */ @@ -431,6 +455,7 @@ struct acpi_20_slit { #define ACPI_2_0_RSDT_SIGNATURE ASCII32('R','S','D','T') #define ACPI_2_0_XSDT_SIGNATURE ASCII32('X','S','D','T') #define ACPI_2_0_TCPA_SIGNATURE ASCII32('T','C','P','A') +#define ACPI_2_0_TPM2_SIGNATURE ASCII32('T','P','M','2') #define ACPI_2_0_HPET_SIGNATURE ASCII32('H','P','E','T') #define ACPI_2_0_WAET_SIGNATURE ASCII32('W','A','E','T') #define ACPI_2_0_SRAT_SIGNATURE ASCII32('S','R','A','T') @@ -444,6 +469,7 @@ struct acpi_20_slit { #define ACPI_2_0_RSDT_REVISION 0x01 #define ACPI_2_0_XSDT_REVISION 0x01 #define ACPI_2_0_TCPA_REVISION 0x02 +#define ACPI_2_0_TPM2_REVISION 0x04 #define ACPI_2_0_HPET_REVISION 0x01 #define ACPI_2_0_WAET_REVISION 0x01 #define ACPI_1_0_FADT_REVISION 0x01 diff --git a/tools/libacpi/build.c b/tools/libacpi/build.c index d313ccd8cf..d4f25a68d2 100644 --- a/tools/libacpi/build.c +++ b/tools/libacpi/build.c @@ -19,6 +19,7 @@ #include "ssdt_s3.h" #include "ssdt_s4.h" #include "ssdt_tpm.h" +#include "ssdt_tpm2.h" #include "ssdt_pm.h" #include "ssdt_laptop_slate.h" #include <xen/hvm/hvm_info_table.h> @@ -352,6 +353,7 @@ static int construct_secondary_tables(struct acpi_ctxt *ctxt, struct acpi_20_tcpa *tcpa; unsigned char *ssdt; void *lasa; + struct acpi_20_tpm2 *tpm2; /* MADT. */ if ( (config->hvminfo->nr_vcpus > 1) || config->hvminfo->apic_mode ) @@ -449,6 +451,39 @@ static int construct_secondary_tables(struct acpi_ctxt *ctxt, tcpa->header.length); } break; + + case 2: + if (!config->crb_hdr || + config->crb_hdr[0] == 0 || config->crb_hdr[0] == 0xffff) + break; + + ssdt = ctxt->mem_ops.alloc(ctxt, sizeof(ssdt_tpm2), 16); + if (!ssdt) return -1; + memcpy(ssdt, ssdt_tpm2, sizeof(ssdt_tpm2)); + table_ptrs[nr_tables++] = ctxt->mem_ops.v2p(ctxt, ssdt); + + tpm2 = ctxt->mem_ops.alloc(ctxt, sizeof(struct acpi_20_tpm2), 16); + if (!tpm2) return -1; + memset(tpm2, 0, sizeof(*tpm2)); + table_ptrs[nr_tables++] = ctxt->mem_ops.v2p(ctxt, tpm2); + + tpm2->header.signature = ACPI_2_0_TPM2_SIGNATURE; + tpm2->header.length = sizeof(*tpm2); + tpm2->header.revision = ACPI_2_0_TPM2_REVISION; + fixed_strcpy(tpm2->header.oem_id, ACPI_OEM_ID); + fixed_strcpy(tpm2->header.oem_table_id, ACPI_OEM_TABLE_ID); + tpm2->header.oem_revision = ACPI_OEM_REVISION; + tpm2->header.creator_id = ACPI_CREATOR_ID; + tpm2->header.creator_revision = ACPI_CREATOR_REVISION; + tpm2->platform_class = TPM2_ACPI_CLASS_CLIENT; + tpm2->control_area_address = TPM_CRB_ADDR_CTRL; + tpm2->start_method = TPM2_START_METHOD_CRB; + tpm2->log_area_minimum_length = TPM_LOG_AREA_MINIMUM_SIZE; + tpm2->log_area_start_address = TPM_LOG_AREA_ADDRESS; + + set_checksum(tpm2, + offsetof(struct acpi_header, checksum), + tpm2->header.length); } } diff --git a/tools/libacpi/libacpi.h b/tools/libacpi/libacpi.h index 9143616130..b5d08ff09b 100644 --- a/tools/libacpi/libacpi.h +++ b/tools/libacpi/libacpi.h @@ -80,6 +80,7 @@ struct acpi_config { uint8_t tpm_version; const uint16_t *tis_hdr; + const uint16_t *crb_hdr; /* * Address where acpi_info should be placed. * This must match the OperationRegion(BIOS, SystemMemory, ....) diff --git a/tools/libacpi/ssdt_tpm2.asl b/tools/libacpi/ssdt_tpm2.asl new file mode 100644 index 0000000000..1801c338df --- /dev/null +++ b/tools/libacpi/ssdt_tpm2.asl @@ -0,0 +1,36 @@ +/* + * ssdt_tpm2.asl + * + * Copyright (c) 2018-2022, Citrix Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; version 2.1 only. with the special + * exception on linking described in file LICENSE. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + */ + +/* SSDT for TPM CRB Interface for Xen with Qemu device model. */ + +DefinitionBlock ("SSDT_TPM2.aml", "SSDT", 2, "Xen", "HVM", 0) +{ + Device (TPM) + { + Name (_HID, "MSFT0101" /* TPM 2.0 Security Device */) // _HID: Hardware ID + Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings + { + Memory32Fixed (ReadWrite, + 0xFED40000, // Address Base + 0x00001000, // Address Length + ) + }) + Method (_STA, 0, NotSerialized) // _STA: Status + { + Return (0x0F) + } + } +}
This patch introduces an optional TPM 2 interface definition to the ACPI table, which is to be used as part of a vTPM 2 implementation. Signed-off-by: Jennifer Herbert <jennifer.herbert@citrix.com> --- tools/firmware/hvmloader/config.h | 1 + tools/firmware/hvmloader/util.c | 7 ++++++ tools/libacpi/Makefile | 2 +- tools/libacpi/acpi2_0.h | 26 ++++++++++++++++++++++ tools/libacpi/build.c | 35 ++++++++++++++++++++++++++++++ tools/libacpi/libacpi.h | 1 + tools/libacpi/ssdt_tpm2.asl | 36 +++++++++++++++++++++++++++++++ 7 files changed, 107 insertions(+), 1 deletion(-) create mode 100644 tools/libacpi/ssdt_tpm2.asl