Home
last modified time | relevance | path

Searched refs:ghcb (Results 1 – 18 of 18) sorted by relevance

/linux/arch/x86/coco/sev/
H A Dvc-shared.c308 static enum es_result vc_handle_ioio(struct ghcb *ghcb, struct es_em_ctxt *ctxt) in vc_handle_ioio() argument
335 ghcb_count = sizeof(ghcb->shared_buffer) / io_bytes; in vc_handle_ioio()
347 ghcb->shared_buffer, io_bytes, in vc_handle_ioio()
358 sw_scratch = __pa(ghcb) + offsetof(struct ghcb, shared_buffer); in vc_handle_ioio()
359 ghcb_set_sw_scratch(ghcb, sw_scratch); in vc_handle_ioio()
360 ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_IOIO, in vc_handle_ioio()
369 ghcb->shared_buffer, io_bytes, in vc_handle_ioio()
400 ghcb_set_rax(ghcb, rax); in vc_handle_ioio()
402 ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_IOIO, exit_info_1, 0); in vc_handle_ioio()
407 if (!ghcb_rax_is_valid(ghcb)) in vc_handle_ioio()
[all …]
H A Dnoinstr.c96 struct ghcb *ghcb; in __sev_es_nmi_complete() local
98 ghcb = __sev_get_ghcb(&state); in __sev_es_nmi_complete()
100 vc_ghcb_invalidate(ghcb); in __sev_es_nmi_complete()
101 ghcb_set_sw_exit_code(ghcb, SVM_VMGEXIT_NMI_COMPLETE); in __sev_es_nmi_complete()
102 ghcb_set_sw_exit_info_1(ghcb, 0); in __sev_es_nmi_complete()
103 ghcb_set_sw_exit_info_2(ghcb, 0); in __sev_es_nmi_complete()
105 sev_es_wr_ghcb_msr(__pa_nodebug(ghcb)); in __sev_es_nmi_complete()
117 noinstr struct ghcb *__sev_get_ghcb(struct ghcb_state *state) in __sev_get_ghcb()
120 struct ghcb *ghcb; in __sev_get_ghcb() local
128 ghcb = &data->ghcb_page; in __sev_get_ghcb()
[all …]
H A Dvc-handle.c39 static enum es_result vc_slow_virt_to_phys(struct ghcb *ghcb, struct es_em_ctxt *ctxt, in vc_slow_virt_to_phys() argument
407 enum es_result __vc_handle_msr(struct ghcb *ghcb, struct es_em_ctxt *ctxt, bool write) in __vc_handle_msr() argument
433 ghcb_set_rcx(ghcb, regs->cx); in __vc_handle_msr()
435 ghcb_set_rax(ghcb, regs->ax); in __vc_handle_msr()
436 ghcb_set_rdx(ghcb, regs->dx); in __vc_handle_msr()
439 ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_MSR, write, 0); in __vc_handle_msr()
442 regs->ax = ghcb->save.rax; in __vc_handle_msr()
443 regs->dx = ghcb->save.rdx; in __vc_handle_msr()
449 static enum es_result vc_handle_msr(struct ghcb *ghcb, struct es_em_ctxt *ctxt) in vc_handle_msr() argument
451 return __vc_handle_msr(ghcb, ctxt, ctxt->insn.opcode.bytes[1] == 0x30); in vc_handle_msr()
[all …]
H A Dcore.c127 static struct ghcb boot_ghcb_page __bss_decrypted __aligned(PAGE_SIZE);
133 struct ghcb *boot_ghcb __section(".data");
159 struct ghcb *ghcb; in get_jump_table_addr() local
167 ghcb = __sev_get_ghcb(&state); in get_jump_table_addr()
169 vc_ghcb_invalidate(ghcb); in get_jump_table_addr()
170 ghcb_set_sw_exit_code(ghcb, SVM_VMGEXIT_AP_JUMP_TABLE); in get_jump_table_addr()
171 ghcb_set_sw_exit_info_1(ghcb, SVM_VMGEXIT_GET_AP_JUMP_TABLE); in get_jump_table_addr()
172 ghcb_set_sw_exit_info_2(ghcb, 0); in get_jump_table_addr()
174 sev_es_wr_ghcb_msr(__pa(ghcb)); in get_jump_table_addr()
177 if (ghcb_sw_exit_info_1_is_valid(ghcb) && in get_jump_table_addr()
[all …]
H A Dsvsm.c30 static int svsm_perform_ghcb_protocol(struct ghcb *ghcb, struct svsm_call *call) in svsm_perform_ghcb_protocol() argument
35 vc_ghcb_invalidate(ghcb); in svsm_perform_ghcb_protocol()
41 ghcb->protocol_version = ghcb_version; in svsm_perform_ghcb_protocol()
42 ghcb->ghcb_usage = GHCB_DEFAULT_USAGE; in svsm_perform_ghcb_protocol()
44 ghcb_set_sw_exit_code(ghcb, SVM_VMGEXIT_SNP_RUN_VMPL); in svsm_perform_ghcb_protocol()
45 ghcb_set_sw_exit_info_1(ghcb, 0); in svsm_perform_ghcb_protocol()
46 ghcb_set_sw_exit_info_2(ghcb, 0); in svsm_perform_ghcb_protocol()
48 sev_es_wr_ghcb_msr(__pa(ghcb)); in svsm_perform_ghcb_protocol()
55 switch (verify_exception_info(ghcb, &ctxt)) { in svsm_perform_ghcb_protocol()
72 struct ghcb *ghcb; in svsm_perform_call_protocol() local
[all …]
H A Dinternal.h12 struct ghcb ghcb_page;
21 struct ghcb backup_ghcb;
48 struct ghcb *ghcb; member
53 struct ghcb *__sev_get_ghcb(struct ghcb_state *state);
67 enum es_result verify_exception_info(struct ghcb *ghcb, struct es_em_ctxt *ctxt);
88 enum es_result __vc_handle_msr(struct ghcb *ghcb, struct es_em_ctxt *ctxt, bool write);
/linux/arch/x86/kernel/cpu/
H A Dvmware.c550 static void vmware_sev_es_hcall_prepare(struct ghcb *ghcb, in vmware_sev_es_hcall_prepare() argument
554 ghcb_set_rip(ghcb, regs->ip); in vmware_sev_es_hcall_prepare()
555 ghcb_set_rbx(ghcb, regs->bx); in vmware_sev_es_hcall_prepare()
556 ghcb_set_rcx(ghcb, regs->cx); in vmware_sev_es_hcall_prepare()
557 ghcb_set_rdx(ghcb, regs->dx); in vmware_sev_es_hcall_prepare()
558 ghcb_set_rsi(ghcb, regs->si); in vmware_sev_es_hcall_prepare()
559 ghcb_set_rdi(ghcb, regs->di); in vmware_sev_es_hcall_prepare()
560 ghcb_set_rbp(ghcb, regs->bp); in vmware_sev_es_hcall_prepare()
563 static bool vmware_sev_es_hcall_finish(struct ghcb *ghcb, struct pt_regs *regs) in vmware_sev_es_hcall_finish() argument
565 if (!(ghcb_rbx_is_valid(ghcb) && in vmware_sev_es_hcall_finish()
[all …]
H A Dmshyperv.c770 static void hv_sev_es_hcall_prepare(struct ghcb *ghcb, struct pt_regs *regs) in hv_sev_es_hcall_prepare() argument
773 ghcb_set_rcx(ghcb, regs->cx); in hv_sev_es_hcall_prepare()
774 ghcb_set_rdx(ghcb, regs->dx); in hv_sev_es_hcall_prepare()
775 ghcb_set_r8(ghcb, regs->r8); in hv_sev_es_hcall_prepare()
778 static bool hv_sev_es_hcall_finish(struct ghcb *ghcb, struct pt_regs *regs) in hv_sev_es_hcall_finish() argument
/linux/arch/x86/hyperv/
H A Divm.c36 struct ghcb ghcb; member
92 hv_ghcb->ghcb.protocol_version = GHCB_PROTOCOL_MAX; in hv_ghcb_hypercall()
93 hv_ghcb->ghcb.ghcb_usage = GHCB_USAGE_HYPERV_CALL; in hv_ghcb_hypercall()
104 hv_ghcb->ghcb.ghcb_usage = 0xffffffff; in hv_ghcb_hypercall()
105 memset(hv_ghcb->ghcb.save.valid_bitmap, 0, in hv_ghcb_hypercall()
106 sizeof(hv_ghcb->ghcb.save.valid_bitmap)); in hv_ghcb_hypercall()
125 static enum es_result hv_ghcb_hv_call(struct ghcb *ghcb, u64 exit_code, in hv_ghcb_hv_call() argument
129 ghcb->protocol_version = hv_ghcb_version; in hv_ghcb_hv_call()
130 ghcb->ghcb_usage = GHCB_DEFAULT_USAGE; in hv_ghcb_hv_call()
132 ghcb_set_sw_exit_code(ghcb, exit_code); in hv_ghcb_hv_call()
[all …]
/linux/arch/x86/boot/compressed/
H A Dsev.c30 static struct ghcb boot_ghcb_page __aligned(PAGE_SIZE);
31 struct ghcb *boot_ghcb __section(".data");
146 static void __noreturn sev_es_ghcb_terminate(struct ghcb *ghcb, unsigned int set, in sev_es_ghcb_terminate() argument
151 vc_ghcb_invalidate(ghcb); in sev_es_ghcb_terminate()
152 ghcb_set_sw_exit_code(ghcb, SVM_VMGEXIT_TERM_REQUEST); in sev_es_ghcb_terminate()
153 ghcb_set_sw_exit_info_1(ghcb, exit_info_1); in sev_es_ghcb_terminate()
154 ghcb_set_sw_exit_info_2(ghcb, exit_info_2); in sev_es_ghcb_terminate()
156 sev_es_wr_ghcb_msr(__pa(ghcb)); in sev_es_ghcb_terminate()
/linux/arch/x86/include/asm/
H A Dsvm.h525 struct ghcb { struct
567 BUILD_BUG_ON(sizeof(struct ghcb) != EXPECTED_GHCB_SIZE); in __unused_size_checks()
600 BUILD_BUG_RESERVED_OFFSET(ghcb, 0xff0); in __unused_size_checks()
664 static __always_inline bool ghcb_##field##_is_valid(const struct ghcb *ghcb) \
667 (unsigned long *)&ghcb->save.valid_bitmap); \
670 static __always_inline u64 ghcb_get_##field(struct ghcb *ghcb) \
672 return ghcb->save.field; \
675 static __always_inline u64 ghcb_get_##field##_if_valid(struct ghcb *ghcb) \
677 return ghcb_##field##_is_valid(ghcb) ? ghcb->save.field : 0; \
680 static __always_inline void ghcb_set_##field(struct ghcb *ghcb, u64 value) \
[all …]
H A Dx86_init.h5 struct ghcb;
284 void (*sev_es_hcall_prepare)(struct ghcb *ghcb, struct pt_regs *regs);
285 bool (*sev_es_hcall_finish)(struct ghcb *ghcb, struct pt_regs *regs);
H A Dsev.h539 static __always_inline void vc_ghcb_invalidate(struct ghcb *ghcb) in vc_ghcb_invalidate() argument
541 ghcb->save.sw_exit_code = 0; in vc_ghcb_invalidate()
542 __builtin_memset(ghcb->save.valid_bitmap, 0, sizeof(ghcb->save.valid_bitmap)); in vc_ghcb_invalidate()
564 enum es_result sev_es_ghcb_hv_call(struct ghcb *ghcb,
573 extern struct ghcb *boot_ghcb;
/linux/arch/x86/kernel/
H A Dkvm.c1027 static void kvm_sev_es_hcall_prepare(struct ghcb *ghcb, struct pt_regs *regs) in kvm_sev_es_hcall_prepare() argument
1030 ghcb_set_rbx(ghcb, regs->bx); in kvm_sev_es_hcall_prepare()
1031 ghcb_set_rcx(ghcb, regs->cx); in kvm_sev_es_hcall_prepare()
1032 ghcb_set_rdx(ghcb, regs->dx); in kvm_sev_es_hcall_prepare()
1033 ghcb_set_rsi(ghcb, regs->si); in kvm_sev_es_hcall_prepare()
1036 static bool kvm_sev_es_hcall_finish(struct ghcb *ghcb, struct pt_regs *regs) in kvm_sev_es_hcall_finish() argument
/linux/arch/x86/kvm/
H A Dtrace.h1845 TP_PROTO(unsigned int vcpu_id, struct ghcb *ghcb),
1846 TP_ARGS(vcpu_id, ghcb),
1857 __entry->exit_reason = ghcb->save.sw_exit_code;
1858 __entry->info1 = ghcb->save.sw_exit_info_1;
1859 __entry->info2 = ghcb->save.sw_exit_info_2;
1871 TP_PROTO(unsigned int vcpu_id, struct ghcb *ghcb),
1872 TP_ARGS(vcpu_id, ghcb),
1883 __entry->exit_reason = ghcb->save.sw_exit_code;
1884 __entry->info1 = ghcb->save.sw_exit_info_1;
1885 __entry->info2 = ghcb->save.sw_exit_info_2;
/linux/arch/x86/kvm/svm/
H A Dsev.c3319 struct ghcb *ghcb = svm->sev_es.ghcb; in sev_es_sync_to_ghcb() local
3329 ghcb_set_rax(ghcb, vcpu->arch.regs[VCPU_REGS_RAX]); in sev_es_sync_to_ghcb()
3330 ghcb_set_rbx(ghcb, vcpu->arch.regs[VCPU_REGS_RBX]); in sev_es_sync_to_ghcb()
3331 ghcb_set_rcx(ghcb, vcpu->arch.regs[VCPU_REGS_RCX]); in sev_es_sync_to_ghcb()
3332 ghcb_set_rdx(ghcb, vcpu->arch.regs[VCPU_REGS_RDX]); in sev_es_sync_to_ghcb()
3339 struct ghcb *ghcb = svm->sev_es.ghcb; in sev_es_sync_from_ghcb() local
3355 BUILD_BUG_ON(sizeof(svm->sev_es.valid_bitmap) != sizeof(ghcb->save.valid_bitmap)); in sev_es_sync_from_ghcb()
3356 memcpy(&svm->sev_es.valid_bitmap, &ghcb->save.valid_bitmap, sizeof(ghcb->save.valid_bitmap)); in sev_es_sync_from_ghcb()
3379 memset(ghcb->save.valid_bitmap, 0, sizeof(ghcb->save.valid_bitmap)); in sev_es_sync_from_ghcb()
3389 if (svm->sev_es.ghcb->ghcb_usage) { in sev_es_validate_vmgexit()
[all …]
H A Dsvm.h226 struct ghcb *ghcb; member
623 ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, response); in svm_vmgexit_set_return_code()
624 ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, data); in svm_vmgexit_set_return_code()
949 return READ_ONCE(svm->sev_es.ghcb->save.field); \
H A Dsvm.c2865 if (!err || !sev_es_guest(vcpu->kvm) || WARN_ON_ONCE(!svm->sev_es.ghcb)) in svm_complete_emulated_msr()