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/linux/arch/arm/xen/
H A Dhypercall.S57 #define HYPERCALL_SIMPLE(hypercall) \ argument
58 ENTRY(HYPERVISOR_##hypercall) \
59 mov r12, #__HYPERVISOR_##hypercall; \
62 ENDPROC(HYPERVISOR_##hypercall)
70 #define HYPERCALL5(hypercall) \ argument
71 ENTRY(HYPERVISOR_##hypercall) \
74 mov r12, #__HYPERVISOR_##hypercall; \
78 ENDPROC(HYPERVISOR_##hypercall)
H A DMakefile2 obj-y := enlighten.o hypercall.o grant-table.o p2m.o mm.o
/linux/Documentation/virt/kvm/x86/
H A Dhypercalls.rst13 The hypercall number should be placed in rax and the return value will be
15 by the particular hypercall.
18 R2-R7 are used for parameters 1-6. In addition, R1 is used for hypercall
21 S390 uses diagnose instruction as hypercall (0x500) along with hypercall
28 It uses R3-R10 and hypercall number in R11. R4-R11 are used as output registers.
31 KVM hypercalls uses 4 byte opcode, that are patched with 'hypercall-instructions'
36 KVM hypercalls use the HYPCALL instruction with code 0 and the hypercall
43 The template for each hypercall is:
70 :Purpose: Expose hypercall availability to the guest. On x86 platforms, cpuid
73 OR KVM specific enumeration mechanism (which is this hypercall)
[all …]
H A Dcpuid.rst100 using the map gpa range hypercall
/linux/Documentation/virt/kvm/loongarch/
H A Dhypercalls.rst7 KVM hypercalls use the HVCL instruction with code 0x100 and the hypercall
30 KVM hypercall ABI
33 The KVM hypercall ABI is simple, with one scratch register a0 (v0) and at most
36 remain unmodified during a hypercall.
66 The template for each hypercall is as follows:
81 The hypercall lets a guest send multiple IPIs (Inter-Process Interrupts) with
82 at most 128 destinations per hypercall. The destinations are represented in a
/linux/arch/arm64/xen/
H A Dhypercall.S58 #define HYPERCALL_SIMPLE(hypercall) \ argument
59 SYM_FUNC_START(HYPERVISOR_##hypercall) \
60 mov x16, #__HYPERVISOR_##hypercall; \
63 SYM_FUNC_END(HYPERVISOR_##hypercall)
H A DMakefile3 obj-y := xen-arm.o hypercall.o
/linux/tools/testing/selftests/kvm/x86/
H A Dprivate_mem_conversions_test.c292 uint64_t gpa = run->hypercall.args[0]; in handle_exit_hypercall()
293 uint64_t size = run->hypercall.args[1] * PAGE_SIZE; in handle_exit_hypercall()
294 bool set_attributes = run->hypercall.args[2] & MAP_GPA_SET_ATTRIBUTES; in handle_exit_hypercall()
295 bool map_shared = run->hypercall.args[2] & MAP_GPA_SHARED; in handle_exit_hypercall()
296 bool do_fallocate = run->hypercall.args[2] & MAP_GPA_DO_FALLOCATE; in handle_exit_hypercall()
299 TEST_ASSERT(run->hypercall.nr == KVM_HC_MAP_GPA_RANGE, in handle_exit_hypercall()
301 KVM_HC_MAP_GPA_RANGE, run->hypercall.nr); in handle_exit_hypercall()
309 run->hypercall.ret = 0; in handle_exit_hypercall()
/linux/Documentation/virt/kvm/
H A Dppc-pv.rst35 'hypercall-instructions'. This property contains at most 4 opcodes that make
36 up the hypercall. To call a hypercall, just call these instructions.
52 r11 hypercall number 8th output value
56 Hypercall definitions are shared in generic code, so the same hypercall numbers
57 apply for x86 and powerpc alike with the exception that each KVM hypercall
75 map this shared page using the KVM hypercall KVM_HC_PPC_MAP_MAGIC_PAGE.
77 With this hypercall issued the guest always gets the magic page mapped at the
88 also define a new hypercall feature to indicate that the host can give you more
97 When mapping the magic page using the KVM hypercall KVM_HC_PPC_MAP_MAGIC_PAGE,
206 These are ePAPR compliant hypercall implementation (mentioned above). Even
[all …]
/linux/Documentation/arch/powerpc/
H A Dultravisor.rst173 registers not needed for the hypercall then reflects the call to
174 the hypervisor for processing. The H_RANDOM hypercall is performed
323 ``H_SVM_PAGE_OUT`` hypercall to the Hypervisor. The Hypervisor will
510 processing an hypercall or interrupt that was forwarded (aka
529 When an SVM makes an hypercall or incurs some other exception, the
537 * If returning from an hypercall, register R0 contains the return
539 contain any output values of the hypercall.
548 the SVM such as processing hypercall and other exceptions. After
864 additional parameters to the hypercall, if any. On output, register
866 other output values from the hypercall.
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/linux/tools/testing/selftests/kvm/arm64/
H A Dsmccc_filter.c227 TEST_ASSERT(run->hypercall.nr == func_id, in expect_call_fwd_to_user()
228 "Unexpected SMCCC function: %llu", run->hypercall.nr); in expect_call_fwd_to_user()
231 TEST_ASSERT(run->hypercall.flags & KVM_HYPERCALL_EXIT_SMC, in expect_call_fwd_to_user()
234 TEST_ASSERT(!(run->hypercall.flags & KVM_HYPERCALL_EXIT_SMC), in expect_call_fwd_to_user()
/linux/arch/loongarch/kvm/
H A Dexit.c724 kvm_write_reg(vcpu, LOONGARCH_GPR_A0, run->hypercall.ret); in kvm_complete_user_service()
908 vcpu->run->hypercall.nr = KVM_HCALL_USER_SERVICE; in kvm_handle_hypercall()
909 vcpu->run->hypercall.args[0] = kvm_read_reg(vcpu, LOONGARCH_GPR_A0); in kvm_handle_hypercall()
910 vcpu->run->hypercall.args[1] = kvm_read_reg(vcpu, LOONGARCH_GPR_A1); in kvm_handle_hypercall()
911 vcpu->run->hypercall.args[2] = kvm_read_reg(vcpu, LOONGARCH_GPR_A2); in kvm_handle_hypercall()
912 vcpu->run->hypercall.args[3] = kvm_read_reg(vcpu, LOONGARCH_GPR_A3); in kvm_handle_hypercall()
913 vcpu->run->hypercall.args[4] = kvm_read_reg(vcpu, LOONGARCH_GPR_A4); in kvm_handle_hypercall()
914 vcpu->run->hypercall.args[5] = kvm_read_reg(vcpu, LOONGARCH_GPR_A5); in kvm_handle_hypercall()
915 vcpu->run->hypercall.flags = 0; in kvm_handle_hypercall()
919 vcpu->run->hypercall.ret = KVM_HCALL_INVALID_CODE; in kvm_handle_hypercall()
/linux/Documentation/virt/kvm/arm/
H A Dhyp-abi.rst59 This hypercall is not expected to return to its caller.
74 The return value of a stub hypercall is held by r0/x0, and is 0 on
75 success, and HVC_STUB_ERR on error. A stub hypercall is allowed to
78 the hypercall.
H A Dfw-pseudo-registers.rst7 KVM handles the hypercall services as requested by the guests. New hypercall
13 is tied to a particular version of a hypercall service, or if a migration
82 hypercall services in the form of a feature-bitmap to the userspace. This
89 hypercall services via GET_ONE_REG. The user-space can write-back the
H A Dpvtime.rst22 the PV_TIME_FEATURES hypercall should be probed using the SMCCC 1.1
54 The structure pointed to by the PV_TIME_ST hypercall is as follows:
H A Dptp_kvm.rst8 host to the guest using a KVM-specific hypercall.
/linux/arch/x86/hyperv/
H A Divm.c65 } hypercall; member
95 hv_ghcb->hypercall.outputgpa = (u64)output; in hv_ghcb_hypercall()
96 hv_ghcb->hypercall.hypercallinput.asuint64 = 0; in hv_ghcb_hypercall()
97 hv_ghcb->hypercall.hypercallinput.callcode = control; in hv_ghcb_hypercall()
100 memcpy(hv_ghcb->hypercall.hypercalldata, input, input_size); in hv_ghcb_hypercall()
108 status = hv_ghcb->hypercall.hypercalloutput.callstatus; in hv_ghcb_hypercall()
/linux/drivers/xen/
H A Dprivcmd.c98 struct privcmd_hypercall hypercall; in privcmd_ioctl_hypercall() local
105 if (copy_from_user(&hypercall, udata, sizeof(hypercall))) in privcmd_ioctl_hypercall()
109 ret = privcmd_call(hypercall.op, in privcmd_ioctl_hypercall()
110 hypercall.arg[0], hypercall.arg[1], in privcmd_ioctl_hypercall()
111 hypercall.arg[2], hypercall.arg[3], in privcmd_ioctl_hypercall()
112 hypercall.arg[4]); in privcmd_ioctl_hypercall()
/linux/Documentation/devicetree/bindings/arm/
H A Dxen.txt12 hypercall.
62 http://xenbits.xen.org/docs/unstable/hypercall/x86_64/include,public,platform.h.html.
/linux/Documentation/translations/zh_CN/virt/acrn/
H A Dintroduction.rst40 +---------------------hypercall----------------------------------------+
/linux/Documentation/virt/acrn/
H A Dintroduction.rst29 +---------------------hypercall----------------------------------------+
/linux/arch/powerpc/platforms/ps3/
H A DKconfig91 bool "PS3 Verbose LV1 hypercall results" if PS3_ADVANCED
94 Enables more verbose log messages for LV1 hypercall results.
/linux/arch/arm64/kvm/
H A Dhypercalls.c259 run->hypercall = (typeof(run->hypercall)) { in kvm_prepare_hypercall_exit()
/linux/arch/x86/kvm/svm/
H A Dsev.c3723 if (vcpu->run->hypercall.ret) in snp_complete_psc_msr()
3748 vcpu->run->hypercall.nr = KVM_HC_MAP_GPA_RANGE; in snp_begin_psc_msr()
3755 vcpu->run->hypercall.ret = 0; in snp_begin_psc_msr()
3756 vcpu->run->hypercall.args[0] = gpa; in snp_begin_psc_msr()
3757 vcpu->run->hypercall.args[1] = 1; in snp_begin_psc_msr()
3758 vcpu->run->hypercall.args[2] = (op == SNP_PAGE_STATE_PRIVATE) in snp_begin_psc_msr()
3761 vcpu->run->hypercall.args[2] |= KVM_MAP_GPA_RANGE_PAGE_SZ_4K; in snp_begin_psc_msr()
3817 if (vcpu->run->hypercall.ret) { in snp_complete_one_psc()
3925 vcpu->run->hypercall.nr = KVM_HC_MAP_GPA_RANGE; in snp_begin_psc()
3932 vcpu->run->hypercall.ret = 0; in snp_begin_psc()
[all …]
/linux/arch/x86/kvm/vmx/
H A Dtdx.c1164 tdvmcall_set_return_code(vcpu, vcpu->run->hypercall.ret); in complete_hypercall_exit()
1191 if (vcpu->run->hypercall.ret) { in tdx_complete_vmcall_map_gpa()
1225 tdx->vcpu.run->hypercall.nr = KVM_HC_MAP_GPA_RANGE; in __tdx_map_gpa()
1232 tdx->vcpu.run->hypercall.ret = 0; in __tdx_map_gpa()
1233 tdx->vcpu.run->hypercall.args[0] = gpa & ~gfn_to_gpa(kvm_gfn_direct_bits(tdx->vcpu.kvm)); in __tdx_map_gpa()
1234 tdx->vcpu.run->hypercall.args[1] = size / PAGE_SIZE; in __tdx_map_gpa()
1235 tdx->vcpu.run->hypercall.args[2] = vt_is_tdx_private_gpa(tdx->vcpu.kvm, gpa) ? in __tdx_map_gpa()
1238 tdx->vcpu.run->hypercall.flags = KVM_EXIT_HYPERCALL_LONG_MODE; in __tdx_map_gpa()

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