| /linux-6.12.1/arch/x86/coco/sev/ |
| D | core.c | 84 static struct ghcb boot_ghcb_page __bss_decrypted __aligned(PAGE_SIZE);
90 static struct ghcb *boot_ghcb __section(".data");
97 struct ghcb ghcb_page;
106 struct ghcb backup_ghcb;
133 struct ghcb *ghcb; member
248 static noinstr struct ghcb *__sev_get_ghcb(struct ghcb_state *state) in __sev_get_ghcb()
251 struct ghcb *ghcb; in __sev_get_ghcb() local
256 ghcb = &data->ghcb_page; in __sev_get_ghcb()
279 state->ghcb = &data->backup_ghcb; in __sev_get_ghcb()
282 *state->ghcb = *ghcb; in __sev_get_ghcb()
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| D | shared.c | 193 static __always_inline void vc_ghcb_invalidate(struct ghcb *ghcb) in vc_ghcb_invalidate() argument
195 ghcb->save.sw_exit_code = 0; in vc_ghcb_invalidate()
196 __builtin_memset(ghcb->save.valid_bitmap, 0, sizeof(ghcb->save.valid_bitmap)); in vc_ghcb_invalidate()
226 static enum es_result verify_exception_info(struct ghcb *ghcb, struct es_em_ctxt *ctxt) in verify_exception_info() argument
230 ret = ghcb->save.sw_exit_info_1 & GENMASK_ULL(31, 0); in verify_exception_info()
235 u64 info = ghcb->save.sw_exit_info_2; in verify_exception_info()
336 static int svsm_perform_ghcb_protocol(struct ghcb *ghcb, struct svsm_call *call) in svsm_perform_ghcb_protocol() argument
341 vc_ghcb_invalidate(ghcb); in svsm_perform_ghcb_protocol()
347 ghcb->protocol_version = RIP_REL_REF(ghcb_version); in svsm_perform_ghcb_protocol()
348 ghcb->ghcb_usage = GHCB_DEFAULT_USAGE; in svsm_perform_ghcb_protocol()
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| /linux-6.12.1/arch/x86/kernel/cpu/ |
| D | vmware.c | 545 static void vmware_sev_es_hcall_prepare(struct ghcb *ghcb, in vmware_sev_es_hcall_prepare() argument
549 ghcb_set_rip(ghcb, regs->ip); in vmware_sev_es_hcall_prepare()
550 ghcb_set_rbx(ghcb, regs->bx); in vmware_sev_es_hcall_prepare()
551 ghcb_set_rcx(ghcb, regs->cx); in vmware_sev_es_hcall_prepare()
552 ghcb_set_rdx(ghcb, regs->dx); in vmware_sev_es_hcall_prepare()
553 ghcb_set_rsi(ghcb, regs->si); in vmware_sev_es_hcall_prepare()
554 ghcb_set_rdi(ghcb, regs->di); in vmware_sev_es_hcall_prepare()
555 ghcb_set_rbp(ghcb, regs->bp); in vmware_sev_es_hcall_prepare()
558 static bool vmware_sev_es_hcall_finish(struct ghcb *ghcb, struct pt_regs *regs) in vmware_sev_es_hcall_finish() argument
560 if (!(ghcb_rbx_is_valid(ghcb) && in vmware_sev_es_hcall_finish()
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| D | mshyperv.c | 629 static void hv_sev_es_hcall_prepare(struct ghcb *ghcb, struct pt_regs *regs) in hv_sev_es_hcall_prepare() argument
632 ghcb_set_rcx(ghcb, regs->cx); in hv_sev_es_hcall_prepare()
633 ghcb_set_rdx(ghcb, regs->dx); in hv_sev_es_hcall_prepare()
634 ghcb_set_r8(ghcb, regs->r8); in hv_sev_es_hcall_prepare()
637 static bool hv_sev_es_hcall_finish(struct ghcb *ghcb, struct pt_regs *regs) in hv_sev_es_hcall_finish() argument
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| /linux-6.12.1/arch/x86/hyperv/ |
| D | ivm.c | 33 struct ghcb ghcb; member
89 hv_ghcb->ghcb.protocol_version = GHCB_PROTOCOL_MAX; in hv_ghcb_hypercall()
90 hv_ghcb->ghcb.ghcb_usage = GHCB_USAGE_HYPERV_CALL; in hv_ghcb_hypercall()
101 hv_ghcb->ghcb.ghcb_usage = 0xffffffff; in hv_ghcb_hypercall()
102 memset(hv_ghcb->ghcb.save.valid_bitmap, 0, in hv_ghcb_hypercall()
103 sizeof(hv_ghcb->ghcb.save.valid_bitmap)); in hv_ghcb_hypercall()
122 static enum es_result hv_ghcb_hv_call(struct ghcb *ghcb, u64 exit_code, in hv_ghcb_hv_call() argument
126 ghcb->protocol_version = hv_ghcb_version; in hv_ghcb_hv_call()
127 ghcb->ghcb_usage = GHCB_DEFAULT_USAGE; in hv_ghcb_hv_call()
129 ghcb_set_sw_exit_code(ghcb, exit_code); in hv_ghcb_hv_call()
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| /linux-6.12.1/arch/x86/boot/compressed/ |
| D | sev.c | 29 static struct ghcb boot_ghcb_page __aligned(PAGE_SIZE);
30 struct ghcb *boot_ghcb;
144 struct ghcb *ghcb; in svsm_perform_call_protocol() local
148 ghcb = boot_ghcb; in svsm_perform_call_protocol()
150 ghcb = NULL; in svsm_perform_call_protocol()
153 ret = ghcb ? svsm_perform_ghcb_protocol(ghcb, call) in svsm_perform_call_protocol()
313 static void __noreturn sev_es_ghcb_terminate(struct ghcb *ghcb, unsigned int set, in sev_es_ghcb_terminate() argument
318 vc_ghcb_invalidate(ghcb); in sev_es_ghcb_terminate()
319 ghcb_set_sw_exit_code(ghcb, SVM_VMGEXIT_TERM_REQUEST); in sev_es_ghcb_terminate()
320 ghcb_set_sw_exit_info_1(ghcb, exit_info_1); in sev_es_ghcb_terminate()
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| /linux-6.12.1/arch/x86/include/asm/ |
| D | svm.h | 508 struct ghcb { struct
550 BUILD_BUG_ON(sizeof(struct ghcb) != EXPECTED_GHCB_SIZE); in __unused_size_checks()
583 BUILD_BUG_RESERVED_OFFSET(ghcb, 0xff0); in __unused_size_checks()
647 static __always_inline bool ghcb_##field##_is_valid(const struct ghcb *ghcb) \
650 (unsigned long *)&ghcb->save.valid_bitmap); \
653 static __always_inline u64 ghcb_get_##field(struct ghcb *ghcb) \
655 return ghcb->save.field; \
658 static __always_inline u64 ghcb_get_##field##_if_valid(struct ghcb *ghcb) \
660 return ghcb_##field##_is_valid(ghcb) ? ghcb->save.field : 0; \
663 static __always_inline void ghcb_set_##field(struct ghcb *ghcb, u64 value) \
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| D | x86_init.h | 5 struct ghcb;
282 void (*sev_es_hcall_prepare)(struct ghcb *ghcb, struct pt_regs *regs);
283 bool (*sev_es_hcall_finish)(struct ghcb *ghcb, struct pt_regs *regs);
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| /linux-6.12.1/arch/x86/kvm/svm/ |
| D | sev.c | 3201 struct ghcb *ghcb = svm->sev_es.ghcb; in dump_ghcb() local
3210 nbits = sizeof(ghcb->save.valid_bitmap) * 8; in dump_ghcb()
3214 ghcb->save.sw_exit_code, ghcb_sw_exit_code_is_valid(ghcb)); in dump_ghcb()
3216 ghcb->save.sw_exit_info_1, ghcb_sw_exit_info_1_is_valid(ghcb)); in dump_ghcb()
3218 ghcb->save.sw_exit_info_2, ghcb_sw_exit_info_2_is_valid(ghcb)); in dump_ghcb()
3220 ghcb->save.sw_scratch, ghcb_sw_scratch_is_valid(ghcb)); in dump_ghcb()
3221 pr_err("%-20s%*pb\n", "valid_bitmap", nbits, ghcb->save.valid_bitmap); in dump_ghcb()
3227 struct ghcb *ghcb = svm->sev_es.ghcb; in sev_es_sync_to_ghcb() local
3237 ghcb_set_rax(ghcb, vcpu->arch.regs[VCPU_REGS_RAX]); in sev_es_sync_to_ghcb()
3238 ghcb_set_rbx(ghcb, vcpu->arch.regs[VCPU_REGS_RBX]); in sev_es_sync_to_ghcb()
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| D | svm.h | 218 struct ghcb *ghcb; member
812 …static __always_inline u64 kvm_ghcb_get_##field##_if_valid(struct vcpu_svm *svm, struct ghcb *ghcb…
814 return kvm_ghcb_##field##_is_valid(svm) ? ghcb->save.field : 0; \
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| D | svm.c | 2975 if (!err || !sev_es_guest(vcpu->kvm) || WARN_ON_ONCE(!svm->sev_es.ghcb)) in svm_complete_emulated_msr()
2978 ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 1); in svm_complete_emulated_msr()
2979 ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, in svm_complete_emulated_msr()
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| /linux-6.12.1/arch/x86/kernel/ |
| D | kvm.c | 990 static void kvm_sev_es_hcall_prepare(struct ghcb *ghcb, struct pt_regs *regs) in kvm_sev_es_hcall_prepare() argument
993 ghcb_set_rbx(ghcb, regs->bx); in kvm_sev_es_hcall_prepare()
994 ghcb_set_rcx(ghcb, regs->cx); in kvm_sev_es_hcall_prepare()
995 ghcb_set_rdx(ghcb, regs->dx); in kvm_sev_es_hcall_prepare()
996 ghcb_set_rsi(ghcb, regs->si); in kvm_sev_es_hcall_prepare()
999 static bool kvm_sev_es_hcall_finish(struct ghcb *ghcb, struct pt_regs *regs) in kvm_sev_es_hcall_finish() argument
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| /linux-6.12.1/arch/x86/kvm/ |
| D | trace.h | 1751 TP_PROTO(unsigned int vcpu_id, struct ghcb *ghcb),
1752 TP_ARGS(vcpu_id, ghcb),
1763 __entry->exit_reason = ghcb->save.sw_exit_code;
1764 __entry->info1 = ghcb->save.sw_exit_info_1;
1765 __entry->info2 = ghcb->save.sw_exit_info_2;
1777 TP_PROTO(unsigned int vcpu_id, struct ghcb *ghcb),
1778 TP_ARGS(vcpu_id, ghcb),
1789 __entry->exit_reason = ghcb->save.sw_exit_code;
1790 __entry->info1 = ghcb->save.sw_exit_info_1;
1791 __entry->info2 = ghcb->save.sw_exit_info_2;
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