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From 2d7ef4b34427e1e1b2f55fdcc7868e7ce001a194 Mon Sep 17 00:00:00 2001
From: "t.feng" <fengtao40@huawei.com>
Date: Tue, 28 Feb 2023 16:25:30 +0800
Subject: [PATCH] add tpcm support with ipmi channel
t.feng(2):
add tpcm support with ipmi channel
use uefi hash interface
zhangqiumiao(3):
reset response length when getting results failed
fix firmwarehash length and uiCmdLength error
clean code
zhangqiumiao(4):
skip verification when just opening the grub.cfg without loading it
support control switch
modify GRUB_IPMI_TIMEOUT_MS from 7000 to 2000
Signed-off-by: "t.feng" <fengtao40@huawei.com>
Signed-off-by: zhangqiumiao <zhangqiumiao1@huawei.com>
---
grub-core/Makefile.core.def | 6 +
grub-core/commands/efi/tpcm.c | 476 ++++++++++++++++++++++++++++++++++
include/grub/efi/tpcm.h | 236 +++++++++++++++++
3 files changed, 718 insertions(+)
create mode 100644 grub-core/commands/efi/tpcm.c
create mode 100644 include/grub/efi/tpcm.h
diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
index 6b00eb5..ee6ff17 100644
--- a/grub-core/Makefile.core.def
+++ b/grub-core/Makefile.core.def
@@ -2564,6 +2564,12 @@ module = {
enable = efi;
};
+module = {
+ name = tpcm;
+ common = commands/efi/tpcm.c;
+ enable = efi;
+};
+
module = {
name = tr;
common = commands/tr.c;
diff --git a/grub-core/commands/efi/tpcm.c b/grub-core/commands/efi/tpcm.c
new file mode 100644
index 0000000..57a4cea
--- /dev/null
+++ b/grub-core/commands/efi/tpcm.c
@@ -0,0 +1,476 @@
+#include <grub/err.h>
+#include <grub/i18n.h>
+#include <grub/efi/api.h>
+#include <grub/efi/efi.h>
+#include <grub/efi/tpcm.h>
+#include <grub/mm.h>
+#include <grub/verify.h>
+#include <grub/term.h>
+#include <grub/misc.h>
+#include <grub/time.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+#define TRANS(value) (((value << 24 ) & 0xFF000000) | \
+ ((value << 8 ) & 0x00FF0000) | \
+ ((value >> 8 ) & 0x0000FF00) | \
+ ((value >> 24 ) & 0x000000FF))
+
+static grub_efi_guid_t gIpmiInterfaceProtocolGuid = EFI_TPCM_GUID;
+static grub_efi_guid_t hash2_service_binding_guid = GRUB_EFI_HASH2_SERVICE_BINDING_PROTOCOL_GUID;
+static grub_efi_guid_t hash2_guid = GRUB_EFI_HASH2_PROTOCOL_GUID;
+static grub_efi_guid_t sm3_guid = GRUB_HASH_ALGORITHM_SM3_GUID;
+
+static grub_efi_ipmi_interface_protocol_t *tpcm_ipmi;
+static grub_efi_uint16_t grub_tcpm_file_type = GRUB_FILE_TYPE_NONE;
+
+static grub_uint32_t bm_stage_base = 2000;
+static grub_efi_uint8_t permissive = 0;
+
+static grub_efi_handle_t
+grub_efi_service_binding (grub_efi_guid_t *service_binding_guid)
+{
+ grub_efi_service_binding_t *service;
+ grub_efi_status_t status;
+ grub_efi_handle_t child_dev = NULL;
+ grub_efi_handle_t *handles;
+ grub_efi_uintn_t num_handles;
+
+ handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL, service_binding_guid, 0, &num_handles);
+ if (!handles)
+ {
+ grub_printf ("couldn't locate service binding protocol handles\n");
+ return NULL;
+ }
+
+ service = grub_efi_open_protocol (handles[0], service_binding_guid, GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+ if (!service)
+ {
+ grub_printf ("couldn't open efi service binding protocol\n");
+ return NULL;
+ }
+
+ status = efi_call_2 (service->create_child, service, &child_dev);
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ grub_printf ("Failed to create child device of efi service %x\n", status);
+ return NULL;
+ }
+
+ return child_dev;
+}
+
+static inline void
+util_dump_hex (const char *name, void *p, int bytes)
+{
+
+ int i = 0;
+ char *data = p;
+ int add_newline = 1;
+ grub_dprintf ("tpcm", "%s length=%d:\n", name, bytes);
+ if (bytes != 0)
+ {
+ grub_dprintf ("tpcm", "%02x ", (unsigned char)data[i]);
+ i++;
+ }
+ while (i < bytes)
+ {
+ grub_dprintf ("tpcm", "%02x ", (unsigned char)data[i]);
+ i++;
+ if (i % 16 == 0)
+ {
+ grub_dprintf("tpcm", "\n");
+ add_newline = 0;
+ }
+ else
+ add_newline = 1;
+ }
+ if (add_newline)
+ grub_dprintf("tpcm", "\n");
+}
+
+static grub_efi_status_t
+grub_efi_hash (unsigned char *buf, grub_size_t size, unsigned char *content)
+{
+ grub_efi_status_t status = GRUB_EFI_SUCCESS;
+ grub_efi_hash2_protocol_t *hash2;
+ grub_efi_handle_t hash_handle;
+ unsigned char output[DEFAULT_HASH_SIZE] = {0};
+ grub_dprintf("tpcm", "grub_efi_hash binding service.\n");
+ hash_handle = grub_efi_service_binding (&hash2_service_binding_guid);
+ if (!hash_handle)
+ {
+ grub_dprintf ("tpcm", "hash2 service binding failed.\n");
+ status = GRUB_EFI_NOT_FOUND;
+ goto fail;
+ }
+ grub_dprintf("tpcm", "grub_efi_hash binding service success.\n");
+ hash2 = grub_efi_open_protocol (hash_handle, &hash2_guid, GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+ if (!hash2)
+ {
+ grub_dprintf ("tpcm", "hash2 protocol open failed.\n");
+ status = GRUB_EFI_PROTOCOL_ERROR;
+ goto fail;
+ }
+ grub_dprintf("tpcm", "grub_efi_hash get protocol success.\n");
+ status = hash2->hash_init(hash2, &sm3_guid);
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ grub_dprintf("tpcm", "hash_init failed.\n");
+ goto fail;
+ }
+ status = hash2->hash_update(hash2, buf, size);
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ grub_dprintf("tpcm", "hash_update failed.\n");
+ goto fail;
+ }
+ status = hash2->hash_final(hash2, output);
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ grub_dprintf("tpcm", "hash_final failed.\n");
+ goto fail;
+ }
+ util_dump_hex ("tpcm BIOS hash output: ", output, DEFAULT_HASH_SIZE);
+ grub_memcpy(content, output, DEFAULT_HASH_SIZE);
+
+fail:
+ return status;
+}
+
+static grub_err_t
+tpcm_ipmi_init (grub_file_t io,
+ enum grub_file_type type __attribute__ ((unused)),
+ void **context, enum grub_verify_flags *flags)
+{
+ *context = io->name;
+ grub_tcpm_file_type = type & GRUB_FILE_TYPE_MASK;
+ *flags |= GRUB_VERIFY_FLAGS_SINGLE_CHUNK;
+ return GRUB_ERR_NONE;
+}
+
+static grub_efi_uint8_t
+get_firmware_hash_content(unsigned char *buf, grub_size_t size, unsigned char *content)
+{
+ grub_efi_status_t status;
+
+ grub_dprintf ("tpcm", "grub_efi_hash:\n");
+ status = grub_efi_hash (buf, size, content);
+
+ return status;
+}
+
+static grub_err_t
+grub_tpcm_set_firmware_detailtype (grub_efi_uint8_t *type)
+{
+ switch (grub_tcpm_file_type)
+ {
+ case GRUB_FILE_TYPE_LINUX_KERNEL:
+ *type = IPMI_FW_DETAIL_KERNEL;
+ break;
+ case GRUB_FILE_TYPE_LINUX_INITRD:
+ *type = IPMI_FW_DETAIL_INITRD;
+ break;
+ case GRUB_FILE_TYPE_CONFIG:
+ *type = IPMI_FW_DETAIL_GRUB_CFG;
+ break;
+ default:
+ grub_dprintf ("tpcm", "%d is not a file type that TPCM cares about.\n", grub_tcpm_file_type);
+ grub_tcpm_file_type = GRUB_FILE_TYPE_NONE;
+ break;
+ }
+
+ return GRUB_ERR_NONE;
+}
+
+static void
+grub_tpcm_fillup_content (OEM_BMC_MEASURE_REQUSET *request_data, unsigned char *output)
+{
+ grub_efi_uint32_t filename_len = 0;
+ switch (grub_tcpm_file_type)
+ {
+ case GRUB_FILE_TYPE_LINUX_KERNEL:
+ filename_len = grub_strlen("kernel");
+ grub_memcpy ((grub_efi_uint8_t *)(request_data->FirmwareHashContent.uaObj),
+ "kernel", filename_len);
+ break;
+ case GRUB_FILE_TYPE_LINUX_INITRD:
+ filename_len = grub_strlen("initrd");
+ grub_memcpy ((grub_efi_uint8_t *)(request_data->FirmwareHashContent.uaObj),
+ "initrd", filename_len);
+ break;
+ case GRUB_FILE_TYPE_CONFIG:
+ filename_len = grub_strlen("grub.cfg");
+ grub_memcpy ((grub_efi_uint8_t *)(request_data->FirmwareHashContent.uaObj),
+ "grub.cfg", filename_len);
+ break;
+ default:
+ grub_dprintf ("tpcm", "%d is not a file type that TPCM cares about.\n", grub_tcpm_file_type);
+ break;
+ }
+
+ request_data->FirmwareHashContent.uiCmdTag = TRANS (TPCM_TAG_REQ_COMMAND);
+ request_data->FirmwareHashContent.uiCmdLength = TRANS (sizeof (extern_simple_bmeasure_req_st));
+ request_data->FirmwareHashContent.uiCmdCode = TRANS (TPCM_ORD_ExternSimpleBootMeasure);
+ request_data->FirmwareHashContent.uiPcr = TRANS (0);
+
+ grub_uint32_t stage_base = bm_stage_base++;
+ request_data->FirmwareHashContent.uiStage = TRANS (stage_base);
+
+ grub_memcpy ((grub_efi_uint8_t *)(request_data->FirmwareHashContent.uaDigest),
+ output, DEFAULT_HASH_SIZE);
+ request_data->FirmwareHashContent.uiObjLen = TRANS (filename_len);
+
+ return;
+}
+
+static grub_efi_status_t
+grub_tpcm_request_result (void)
+{
+ grub_efi_status_t status = GRUB_EFI_SUCCESS;
+ grub_ipmi_cmd_header request = {IPMI_BMC_LUN,
+ IPMI_NETFN_OEM,
+ IPMI_CMD_GET_MEASURE_PARM};
+ grub_efi_uint8_t response_length;
+ OEM_BMC_GET_RESULT_REQUSET get_result_request_data;
+ OEM_BMC_GET_RESULT_RESPONSE get_result_response_data;
+
+ grub_efi_int16_t timeout_ms = GRUB_IPMI_TIMEOUT_MS;
+
+ grub_memset (&get_result_request_data, 0, sizeof(get_result_request_data));
+ grub_memset (&get_result_response_data, 0, sizeof(get_result_response_data));
+
+ get_result_request_data.OemSignature[0] = 0xDB;
+ get_result_request_data.OemSignature[1] = 0x07;
+ get_result_request_data.OemSignature[2] = 0x00;
+ get_result_request_data.SubCmd = IPMI_SUB_CMD_CONTROL_REQ;
+ get_result_request_data.FirmwareType = IPMI_FW_OS;
+
+ // TODO: we should not load files expect: grub.cfg vmlinuz and initrd
+ grub_tpcm_set_firmware_detailtype (&(get_result_request_data.FirmwareDetailType));
+
+ while (timeout_ms > 0)
+ {
+ response_length = sizeof (OEM_BMC_GET_RESULT_RESPONSE);
+ grub_millisleep (200);
+ timeout_ms -= 200;
+
+ grub_dprintf ("tpcm", "get result request: request_size[%lu], response_length[%d]\n",
+ sizeof(get_result_request_data), response_length);
+
+ status = tpcm_ipmi->excute_ipmi_cmd (tpcm_ipmi, request, &get_result_request_data,
+ sizeof(get_result_request_data), &get_result_response_data,
+ &response_length, NULL);
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ grub_dprintf ("tpcm", "excute_ipmi_cmd failed, request sub_cmd:%d, ret:%lu\n",
+ get_result_request_data.SubCmd, status);
+ continue;
+ }
+
+ if (response_length == sizeof (OEM_BMC_GET_RESULT_RESPONSE) && \
+ get_result_response_data.ControlResult != IPMI_MEASURE_UNKNOW)
+ {
+ grub_dprintf ("tpcm", "request ControlResult success, ControlResult:%d\n",
+ get_result_response_data.ControlResult);
+ break;
+ }
+ }
+
+ if (get_result_response_data.ControlResult == IPMI_MEASURE_SUCCESS)
+ {
+ return GRUB_EFI_SUCCESS;
+ }
+ else if (timeout_ms <= 0)
+ {
+ grub_dprintf ("tpcm", "request TPCM constrol result timout");
+ return GRUB_EFI_TIMEOUT;
+ }
+
+ return GRUB_EFI_UNSUPPORTED;
+}
+
+static grub_err_t
+grub_tpcm_log_event (unsigned char *buf, grub_size_t size, const char *description)
+{
+ grub_err_t err = GRUB_ERR_NONE;
+ grub_efi_status_t status = GRUB_EFI_SUCCESS;
+ grub_ipmi_cmd_header request = {IPMI_BMC_LUN,
+ IPMI_NETFN_OEM,
+ IPMI_CMD_GET_MEASURE_PARM};
+ OEM_BMC_MEASURE_REQUSET *request_data = NULL;
+ OEM_BMC_MEASURE_RESPONSE response_data;
+
+ unsigned char output[DEFAULT_HASH_SIZE] = {0};
+ grub_efi_uint8_t response_length = sizeof (OEM_BMC_MEASURE_RESPONSE);
+
+ grub_memset (&response_data, 0, sizeof (response_data));
+
+ request_data = grub_calloc (1, sizeof (OEM_BMC_MEASURE_REQUSET));
+ if (!request_data)
+ {
+ grub_dprintf ("tpcm", "malloc request_data failed.\n");
+ grub_error (GRUB_ERR_OUT_OF_MEMORY, "out of memory");
+ return grub_errno;
+ }
+
+ request_data->OemSignature[0] = 0xDB;
+ request_data->OemSignature[1] = 0x07;
+ request_data->OemSignature[2] = 0x00;
+ request_data->SubCmd = IPMI_SUB_CMD_MEASURE_REQ;
+ request_data->FirmwareType = IPMI_FW_OS;
+ request_data->FirmwareHashAlgoType = IPMI_FW_HASH_SM3;
+
+ grub_tpcm_set_firmware_detailtype (&(request_data->FirmwareDetailType));
+
+ status = get_firmware_hash_content (buf, size, output);
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ if (permissive)
+ grub_dprintf ("tpcm", "tpcm control switch turned off, ignore get firmware hash content failure.\n");
+ else
+ {
+ grub_printf ("get firmware hash content failed\n");
+ err = GRUB_ERR_BUG;
+ }
+ goto fail;
+ }
+
+ request_data->FirmwareHashLen = sizeof(extern_simple_bmeasure_req_st);
+ grub_tpcm_fillup_content (request_data, output);
+
+ status = tpcm_ipmi->excute_ipmi_cmd (tpcm_ipmi, request, request_data,
+ sizeof (OEM_BMC_MEASURE_REQUSET), &response_data,
+ &response_length, NULL);
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ if (permissive)
+ grub_dprintf ("tpcm", "tpcm control switch turned off, ignore excute_ipmi_cmd failure.\n");
+ else
+ {
+ err = grub_error (GRUB_ERR_BUG,
+ "excute_ipmi_cmd failed, request sub_cmd:0x%x, ret:%lu\n",
+ request_data->SubCmd, status);
+ }
+ goto fail;
+ }
+ grub_dprintf ("tpcm", "send tpcm measure request success\n");
+
+ status = grub_tpcm_request_result ();
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ if (permissive)
+ grub_dprintf ("tpcm", "tpcm control switch turned off, ignore measurement failure.\n");
+ else
+ {
+ err = grub_error (GRUB_ERR_BAD_SIGNATURE, "bad tpcm signature");
+ goto fail;
+ }
+ }
+ else
+ grub_dprintf ("tpcm", "tpcm hash verify success, file:%s\n", description);
+
+ fail:
+ if (request_data)
+ {
+ grub_free (request_data);
+ }
+ return err;
+}
+
+static grub_efi_uint8_t
+tpcm_ipmi_get_switch (void)
+{
+ grub_efi_status_t status = GRUB_EFI_SUCCESS;
+ grub_ipmi_cmd_header request = {IPMI_BMC_LUN,
+ IPMI_NETFN_OEM,
+ IPMI_CMD_GET_MEASURE_PARM};
+ OEM_BMC_GET_SWITCH_REQUSET request_data;
+ OEM_BMC_GET_SWITCH_RESPONSE response_data;
+ grub_efi_uint8_t response_length;
+
+ grub_memset (&request_data, 0, sizeof (request_data));
+ grub_memset (&response_data, 0, sizeof (response_data));
+
+ request_data.OemSignature[0] = 0xDB;
+ request_data.OemSignature[1] = 0x07;
+ request_data.OemSignature[2] = 0x00;
+ request_data.SubCmd = IPMI_SUB_CMD_SWITCH_REQ;
+ request_data.FirmwareType = IPMI_FW_OS;
+ request_data.FirmwareDetailType = IPMI_FW_DETAIL_GRUB_CFG;
+
+ response_length = sizeof (OEM_BMC_GET_SWITCH_RESPONSE);
+
+ // TODO: 确认bios接口excute_ipmi_cmd, 请求开关控制结果这块代码是否需要轮询
+ status = tpcm_ipmi->excute_ipmi_cmd (tpcm_ipmi, request, &request_data,
+ sizeof(request_data), &response_data,
+ &response_length, NULL);
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ grub_printf ("excute_ipmi_cmd failed, request sub_cmd:%d, ret:%lu\n",
+ request_data.SubCmd, status);
+ /* if we excute_ipmi_cmd, it could be the fllowing results:
+ * 1. uefi have this interface, but did not implement it.
+ * 2. uefi have implemented, but bmc did not support TPCM
+ * All of these situation should booting normally.
+ */
+ goto out;
+ }
+
+ if (response_data.ControlResult == IPMI_TPCM_OPEN || response_data.ControlResult == IPMI_TPCM_PERMISSIVE)
+ {
+ permissive = (response_data.ControlResult == IPMI_TPCM_PERMISSIVE) ? 1 : 0;
+ grub_dprintf ("tpcm", "tpcm: Enabled, ControlResult: %d\n", response_data.ControlResult);
+ return 1;
+ }
+
+ out:
+ grub_dprintf ("tpcm", "tpcm: Disabled or Unknown, ControlResult: %d\n", response_data.ControlResult);
+ return 0;
+}
+
+static grub_err_t
+tpcm_ipmi_measure (unsigned char *buf, grub_size_t size, const char *description)
+{
+ if (tpcm_ipmi_get_switch())
+ {
+ grub_dprintf("tpcm", "hash file: %s\n", description);
+ return grub_tpcm_log_event(buf, size, description);
+ }
+
+ return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+tpcm_ipmi_write (void *context __attribute__ ((unused)), void *buf, grub_size_t size)
+{
+ grub_err_t err;
+ err = tpcm_ipmi_measure (buf, size, context);
+ grub_tcpm_file_type = GRUB_FILE_TYPE_NONE;
+ return err;
+}
+
+struct grub_file_verifier tpcm =
+ {
+ .name = "tpcm",
+ .init = tpcm_ipmi_init,
+ .write = tpcm_ipmi_write
+ };
+
+
+GRUB_MOD_INIT(tpcm)
+{
+ tpcm_ipmi = grub_efi_locate_protocol (&gIpmiInterfaceProtocolGuid, 0);
+ if (!tpcm_ipmi)
+ {
+ grub_dprintf ("tpcm", "locate IpmiInterfaceProtocol failed, TPCM unsupported in the machine.\n");
+ return;
+ }
+ grub_verifier_register (&tpcm);
+}
+
+GRUB_MOD_FINI(tpcm)
+{
+ grub_verifier_unregister (&tpcm);
+}
+
diff --git a/include/grub/efi/tpcm.h b/include/grub/efi/tpcm.h
new file mode 100644
index 0000000..d4cf93b
--- /dev/null
+++ b/include/grub/efi/tpcm.h
@@ -0,0 +1,236 @@
+#ifndef GRUB_EFI_TPCM_HEADER
+#define GRUB_EFI_TPCM_HEADER 1
+
+#define GRUB_EFI_HASH2_SERVICE_BINDING_PROTOCOL_GUID \
+ { \
+ 0xda836f8d, 0x217f, 0x4ca0, { 0x99, 0xc2, 0x1c, 0xa4, 0xe1, 0x60, 0x77, 0xea } \
+ }
+
+#define GRUB_EFI_HASH2_PROTOCOL_GUID \
+ { \
+ 0x55b1d734, 0xc5e1, 0x49db, { 0x96, 0x47, 0xb1, 0x6a, 0xfb, 0xe, 0x30, 0x5b } \
+ }
+
+#define EFI_TPCM_GUID \
+ { \
+ 0xa37e200e, 0xda90, 0x473b, { 0x8b, 0xb5, 0x1d, 0x7b, 0x11, 0xba, 0x32, 0x33 } \
+ }
+
+#define GRUB_HASH_ALGORITHM_SM3_GUID \
+ { \
+ 0x9DCD754B, 0x3479, 0x27AD, { 0x56, 0x4C, 0x68, 0x7C, 0x68, 0xEC, 0xF9, 0xB9 } \
+ }
+
+
+#define OEM_SIG_SIZE 3
+#define FIRMWARE_VERSION_SIZE 32
+#define FIRMWARE_HASH_CONTENT_SIZE 32
+#define FIRMWARE_NAME_SIZE 32
+#define GRUB_IPMI_TIMEOUT_MS 2000
+
+// LUN
+#define IPMI_BMC_LUN 0x00
+// Net Function Definition
+#define IPMI_NETFN_OEM 0x30
+
+#define IPMI_CMD_GET_MEASURE_PARM 0x92 //change a name
+
+#define IPMI_SUB_CMD_MEASURE_REQ 0x57 //change a name
+#define IPMI_SUB_CMD_CONTROL_REQ 0x58
+#define IPMI_SUB_CMD_SWITCH_REQ 0x59
+
+//bmeasure
+#define DEFAULT_HASH_SIZE 32
+#define MEASURE_DATA_MEM_SIZE 0x100000
+
+#define TPCM_TAG_REQ_COMMAND 0x000000C1
+#define TPCM_ORD_ExternSimpleBootMeasure 0x00001053
+
+typedef struct {
+ grub_efi_uint32_t uiCmdTag;
+ grub_efi_uint32_t uiCmdLength;
+ grub_efi_uint32_t uiCmdCode;
+ grub_efi_uint32_t uiPcr;
+ grub_efi_uint32_t uiStage;
+ grub_efi_uint8_t uaDigest[DEFAULT_HASH_SIZE];
+ grub_efi_uint32_t uiObjLen;
+ grub_efi_uint8_t uaObj[FIRMWARE_NAME_SIZE];
+}extern_simple_bmeasure_req_st;
+
+typedef struct {
+ grub_efi_uint8_t OemSignature[OEM_SIG_SIZE];
+ grub_efi_uint8_t SubCmd;
+ grub_efi_uint8_t FirmwareType;
+ grub_efi_uint8_t FirmwareDetailType;
+ grub_efi_uint8_t FirmwareHashAlgoType;
+ grub_efi_uint8_t FirmwareHashLen;
+ extern_simple_bmeasure_req_st FirmwareHashContent;
+ // reserved for kernel and initrd's version
+ grub_efi_uint8_t FirmwareVerionLen;
+ grub_efi_uint8_t FirmwareVerion[0];
+} OEM_BMC_MEASURE_REQUSET;
+
+typedef struct {
+ grub_efi_uint8_t CompletionCode;
+ grub_efi_uint8_t OemSignature[OEM_SIG_SIZE];
+} OEM_BMC_MEASURE_RESPONSE;
+
+typedef struct {
+ grub_efi_uint8_t OemSignature[OEM_SIG_SIZE];
+ grub_efi_uint8_t SubCmd;
+ grub_efi_uint8_t FirmwareType;
+ grub_efi_uint8_t FirmwareDetailType;
+} OEM_BMC_GET_RESULT_REQUSET;
+
+typedef struct {
+ /* In the specification of BMC <--> BIOS(GRUB2), we need CompletionCode
+ * But, BIOS has pre-processed CompletionCode in function: excute_ipmi_cmd
+ * So, we delete the word:
+ * grub_efi_uint8_t CompletionCode;
+ */
+ grub_efi_uint8_t OemSignature[OEM_SIG_SIZE];
+ grub_efi_uint8_t ControlResult;
+} OEM_BMC_GET_RESULT_RESPONSE;
+
+typedef struct {
+ grub_efi_uint8_t OemSignature[OEM_SIG_SIZE];
+ grub_efi_uint8_t SubCmd;
+ grub_efi_uint8_t FirmwareType;
+ grub_efi_uint8_t FirmwareDetailType;
+} OEM_BMC_GET_SWITCH_REQUSET;
+
+typedef struct {
+ /* In the specification of BMC <--> BIOS(GRUB2), we need CompletionCode
+ * But, BIOS has pre-processed CompletionCode in function: excute_ipmi_cmd
+ * So, we delete the word:
+ * grub_efi_uint8_t CompletionCode;
+ */
+ grub_efi_uint8_t OemSignature[OEM_SIG_SIZE];
+ grub_efi_uint8_t ControlResult;
+} OEM_BMC_GET_SWITCH_RESPONSE;
+
+typedef enum {
+ IPMI_SYSTEM_INTERFACE_UNKNOWN, // IPMI_SYSTEM_INTERFACE_TYPE->UNKNOWN
+ IPMI_SYSTEM_INTERFACE_KCS,
+ IPMI_SYSTEM_INTERFACE_SMIC,
+ IPMI_SYSTEM_INTERFACE_BT, // IPMI_SYSTEM_INTERFACE_TYPE->BT
+ IPMI_SYSTEM_INTERFACE_SSIF,
+ IPMI_SYSTEM_INTERFACE_MAX_TYPE // IPMI_SYSTEM_INTERFACE_TYPE->MAX_TYPE
+} grub_ipmi_system_interface_type;
+
+
+typedef struct {
+ grub_efi_uint8_t lun : 2;
+ grub_efi_uint8_t net_fn : 6;
+ grub_efi_uint8_t cmd;
+} grub_ipmi_cmd_header;
+
+typedef enum {
+ IPMI_MEMORY,
+ IPMI_IO, // IPMI_IO
+ IPMI_MAX_INTERFACE_ADDRESS_TYPE
+} grub_ipmi_interface_address_type;
+
+typedef enum {
+ IPMI_FW_SHIM,
+ IPMI_FW_SHIM_GRUB,
+ IPMI_FW_OS
+} grub_ipmi_firmware_type;
+
+typedef enum {
+ IPMI_FW_DETAIL_GRUB_CFG,
+ IPMI_FW_DETAIL_KERNEL,
+ IPMI_FW_DETAIL_INITRD
+} grub_ipmi_firmware_detail_type;
+
+typedef enum {
+ IPMI_FW_HASH_SM3,
+ IPMI_FW_HASH_RESERVED1,
+ IPMI_FW_HASH_RESERVED2
+} grub_ipmi_firmware_hash_algo_type;
+
+typedef enum {
+ IPMI_MEASURE_UNKNOW,
+ IPMI_MEASURE_SUCCESS,
+ IPMI_MEASURE_FAIL
+} grub_ipmi_measure_result_type;
+
+typedef enum {
+ IPMI_TPCM_UNKNOW,
+ IPMI_TPCM_OPEN,
+ IPMI_TPCM_CLOSE,
+ IPMI_TPCM_PERMISSIVE
+} grub_ipmi_tpcm_result_type;
+
+
+typedef grub_efi_uint8_t EFI_MD5_HASH2[16];
+typedef grub_efi_uint8_t EFI_SHA1_HASH2[20];
+typedef grub_efi_uint8_t EFI_SHA224_HASH2[28];
+typedef grub_efi_uint8_t EFI_SHA256_HASH2[32];
+typedef grub_efi_uint8_t EFI_SHA384_HASH2[48];
+typedef grub_efi_uint8_t EFI_SHA512_HASH2[64];
+typedef grub_efi_uint8_t EFI_SM3_HASH2[32];
+
+typedef union {
+ EFI_MD5_HASH2 Md5Hash;
+ EFI_SHA1_HASH2 Sha1Hash;
+ EFI_SHA224_HASH2 Sha224Hash;
+ EFI_SHA256_HASH2 Sha256Hash;
+ EFI_SHA384_HASH2 Sha384Hash;
+ EFI_SHA512_HASH2 Sha512Hash;
+ EFI_SM3_HASH2 Sm3Hash;
+} grub_efi_hash2_output;
+
+struct grub_efi_hash2_protocol {
+ grub_efi_status_t
+ (*get_hash_size) (struct grub_efi_hash2_protocol *this,
+ grub_efi_guid_t *hash_algorithm,
+ grub_efi_uintn_t hash_size);
+
+ grub_efi_status_t
+ (*hash) (struct grub_efi_hash2_protocol *this,
+ grub_efi_guid_t *hash_algorithm,
+ grub_efi_uint8_t *message,
+ grub_efi_uintn_t message_size,
+ grub_efi_hash2_output *hash);
+
+ grub_efi_status_t
+ (*hash_init) (struct grub_efi_hash2_protocol *this,
+ grub_efi_guid_t *hash_algorithm);
+
+ grub_efi_status_t
+ (*hash_update) (struct grub_efi_hash2_protocol *this,
+ grub_efi_uint8_t *message,
+ grub_efi_uintn_t message_size);
+
+ grub_efi_status_t
+ (*hash_final) (struct grub_efi_hash2_protocol *this,
+ grub_efi_hash2_output *hash);
+};
+typedef struct grub_efi_hash2_protocol grub_efi_hash2_protocol_t;
+
+struct grub_efi_ipmi_interface_protocol {
+ grub_efi_status_t
+ (*excute_ipmi_cmd) (struct grub_efi_ipmi_interface_protocol *this,
+ grub_ipmi_cmd_header request,
+ void *send_data,
+ grub_efi_uint8_t send_length,
+ void *recv_data,
+ grub_efi_uint8_t *recv_length,
+ grub_efi_uint16_t *status_codes);
+
+ grub_ipmi_system_interface_type
+ (*get_ipmi_interface_type) (struct grub_efi_ipmi_interface_protocol *this);
+
+ grub_efi_uint16_t
+ (*get_ipmi_base_address) (struct grub_efi_ipmi_interface_protocol *this);
+
+ grub_ipmi_interface_address_type
+ (*get_ipmi_base_address_type) (struct grub_efi_ipmi_interface_protocol *this);
+
+ grub_efi_uint8_t
+ (*get_ipmi_version) (struct grub_efi_ipmi_interface_protocol *this);
+};
+typedef struct grub_efi_ipmi_interface_protocol grub_efi_ipmi_interface_protocol_t;
+
+#endif
--
2.27.0
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