From: Santosh Shukla <santosh.shukla@xxxxxxx>
Define the new VMCB fields that will beused to save and restore the
satate of the following fetch and op IBS related MSRs.
* MSRC001_1030 [IBS Fetch Control]
* MSRC001_1031 [IBS Fetch Linear Address]
* MSRC001_1033 [IBS Execution Control]
* MSRC001_1034 [IBS Op Logical Address]
* MSRC001_1035 [IBS Op Data]
* MSRC001_1036 [IBS Op Data 2]
* MSRC001_1037 [IBS Op Data 3]
* MSRC001_1038 [IBS DC Linear Address]
* MSRC001_103B [IBS Branch Target Address]
* MSRC001_103C [IBS Fetch Control Extended]
Signed-off-by: Santosh Shukla <santosh.shukla@xxxxxxx>
Signed-off-by: Manali Shukla <manali.shukla@xxxxxxx>
---
arch/x86/include/asm/svm.h | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index ad954a1a6656..b62049b51ebb 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -356,6 +356,17 @@ struct vmcb_save_area {
u64 last_excp_to;
u8 reserved_0x298[72];
u64 spec_ctrl; /* Guest version of SPEC_CTRL at 0x2E0 */
+ u8 reserved_0x2e8[1168];
+ u64 ibs_fetch_ctl;
+ u64 ibs_fetch_linear_addr;
+ u64 ibs_op_ctl;
+ u64 ibs_op_rip;
+ u64 ibs_op_data;
+ u64 ibs_op_data2;
+ u64 ibs_op_data3;
+ u64 ibs_dc_linear_addr;
+ u64 ibs_br_target;
+ u64 ibs_fetch_extd_ctl;
} __packed;
/* Save area definition for SEV-ES and SEV-SNP guests */
@@ -538,7 +549,7 @@ struct vmcb {
};
} __packed;
-#define EXPECTED_VMCB_SAVE_AREA_SIZE 744
+#define EXPECTED_VMCB_SAVE_AREA_SIZE 1992
#define EXPECTED_GHCB_SAVE_AREA_SIZE 1032
#define EXPECTED_SEV_ES_SAVE_AREA_SIZE 1648
#define EXPECTED_VMCB_CONTROL_AREA_SIZE 1024
@@ -564,6 +575,7 @@ static inline void __unused_size_checks(void)
BUILD_BUG_RESERVED_OFFSET(vmcb_save_area, 0x180);
BUILD_BUG_RESERVED_OFFSET(vmcb_save_area, 0x248);
BUILD_BUG_RESERVED_OFFSET(vmcb_save_area, 0x298);
+ BUILD_BUG_RESERVED_OFFSET(vmcb_save_area, 0x2e8);
BUILD_BUG_RESERVED_OFFSET(sev_es_save_area, 0xc8);
BUILD_BUG_RESERVED_OFFSET(sev_es_save_area, 0xcc);
--
2.43.0
