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/linux-6.15/tools/testing/selftests/kvm/x86/
H A Dhyperv_features.c90 GUEST_ASSERT_NE(hcall->control, 0); in guest_hcall()
103 if (hcall->ud_expected) { in guest_hcall()
106 hcall->control, vector); in guest_hcall()
110 hcall->control, vector); in guest_hcall()
111 GUEST_ASSERT_EQ(res, hcall->expect); in guest_hcall()
527 struct hcall_data *hcall; in guest_test_hcalls_access() local
554 hcall->control = 0xbeef; in guest_test_hcalls_access()
613 hcall->control = HVCALL_SEND_IPI; in guest_test_hcalls_access()
618 hcall->control = HVCALL_SEND_IPI; in guest_test_hcalls_access()
639 hcall->ud_expected = true; in guest_test_hcalls_access()
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H A Dxen_vmcall_test.c113 TEST_ASSERT_EQ(run->xen.u.hcall.cpl, 0); in main()
114 TEST_ASSERT_EQ(run->xen.u.hcall.longmode, 1); in main()
115 TEST_ASSERT_EQ(run->xen.u.hcall.input, INPUTVALUE); in main()
116 TEST_ASSERT_EQ(run->xen.u.hcall.params[0], ARGVALUE(1)); in main()
117 TEST_ASSERT_EQ(run->xen.u.hcall.params[1], ARGVALUE(2)); in main()
118 TEST_ASSERT_EQ(run->xen.u.hcall.params[2], ARGVALUE(3)); in main()
119 TEST_ASSERT_EQ(run->xen.u.hcall.params[3], ARGVALUE(4)); in main()
120 TEST_ASSERT_EQ(run->xen.u.hcall.params[4], ARGVALUE(5)); in main()
121 TEST_ASSERT_EQ(run->xen.u.hcall.params[5], ARGVALUE(6)); in main()
122 run->xen.u.hcall.result = RETVALUE; in main()
H A Dhyperv_extended_hypercalls.c76 outval = addr_gpa2hva(vm, run->hyperv.u.hcall.params[1]); in main()
78 run->hyperv.u.hcall.result = HV_STATUS_SUCCESS; in main()
/linux-6.15/Documentation/ABI/testing/
H A Ddebugfs-pfo-nx-crypto15 only errors counted here are those returned from the hcall, H_COP_OP.
18 The most recent non-zero return code from the H_COP_OP hcall. -EBUSY is not
19 recorded here (the hcall will retry until -EBUSY goes away).
23 hcall.
H A Dsysfs-bus-papr-pmem9 response to H_SCM_HEALTH hcall. The details of the bit
10 flags returned in response to this hcall is available
/linux-6.15/Documentation/arch/powerpc/
H A Dpapr_hcalls.rst28 Hence a Hypercall (hcall) is essentially a request by the pseries guest
36 The ABI specification for a hcall between a pseries guest and PAPR hypervisor
39 and any in-arguments for the hcall are provided in registers *r4-r12*. If values
44 'HVCS' instruction the return value of the hcall is available in *r3* and any
69 | r3 | Y | hcall opcode/return value |
123 success or failure of the hcall. In case of a failure an error code indicates
127 In some cases a hcall can potentially take a long time and need to be issued
131 servicing the hcall yet.
135 for each subsequent hcall until hypervisor returns a non *H_CONTINUE*
286 The hcall returns H_BUSY when the flush takes longer time and the hcall needs
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H A Dkvm-nested.rst29 KVM: PPC: Book3S HV: Framework and hcall stubs for nested virtualization
38 This API works primarily using a single hcall h_enter_nested(). This
48 it's partition table using the h_set_partition_table() hcall. All
69 hcall.
83 - L1 requests the L0 runs the vCPU running H_GUEST_VCPU_RUN() hcall
286 hcall.
288 This hcall also has associated input and output GSBs. Unlike
290 parameters to the hcall (This was done in the interest of
299 On exit from the hcall, the output buffer is filled with elements
304 state likely needed to service the hcall. If additional state is
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/linux-6.15/arch/powerpc/kvm/
H A Dbook3s_pr_papr.c489 unsigned int hcall; in kvmppc_pr_init_default_hcalls() local
492 hcall = default_hcall_list[i]; in kvmppc_pr_init_default_hcalls()
493 WARN_ON(!kvmppc_hcall_impl_pr(hcall)); in kvmppc_pr_init_default_hcalls()
494 __set_bit(hcall / 4, kvm->arch.enabled_hcalls); in kvmppc_pr_init_default_hcalls()
H A Dpowerpc.c2110 pvinfo->hcall[0] = cpu_to_be32(inst_sc1); in kvm_vm_ioctl_get_pvinfo()
2111 pvinfo->hcall[1] = cpu_to_be32(inst_nop); in kvm_vm_ioctl_get_pvinfo()
2112 pvinfo->hcall[2] = cpu_to_be32(inst_nop); in kvm_vm_ioctl_get_pvinfo()
2113 pvinfo->hcall[3] = cpu_to_be32(inst_nop); in kvm_vm_ioctl_get_pvinfo()
2131 pvinfo->hcall[2] = cpu_to_be32(inst_sc); in kvm_vm_ioctl_get_pvinfo()
2132 pvinfo->hcall[3] = cpu_to_be32(inst_nop); in kvm_vm_ioctl_get_pvinfo()
2179 unsigned long hcall = cap->args[0]; in kvm_vm_ioctl_enable_cap() local
2182 if (hcall > MAX_HCALL_OPCODE || (hcall & 3) || in kvm_vm_ioctl_enable_cap()
2185 if (!kvmppc_book3s_hcall_implemented(kvm, hcall)) in kvm_vm_ioctl_enable_cap()
2188 set_bit(hcall / 4, kvm->arch.enabled_hcalls); in kvm_vm_ioctl_enable_cap()
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H A Dbook3s.c1016 int kvmppc_book3s_hcall_implemented(struct kvm *kvm, unsigned long hcall) in kvmppc_book3s_hcall_implemented() argument
1018 return kvm->arch.kvm_ops->hcall_implemented(hcall); in kvmppc_book3s_hcall_implemented()
H A Dbook3s_xics.c848 int kvmppc_xics_rm_complete(struct kvm_vcpu *vcpu, u32 hcall) in kvmppc_xics_rm_complete() argument
854 hcall, icp->rm_action, icp->rm_dbgstate.raw, icp->rm_dbgtgt); in kvmppc_xics_rm_complete()
H A Dbook3s_hv.c2821 {"hypercall", offsetof(struct kvm_vcpu, arch.hcall)},
5168 accumulate_time(vcpu, &vcpu->arch.hcall); in kvmppc_vcpu_run_hv()
6249 unsigned int hcall; in init_default_hcalls() local
6252 hcall = default_hcall_list[i]; in init_default_hcalls()
6253 WARN_ON(!kvmppc_hcall_impl_hv(hcall)); in init_default_hcalls()
6254 __set_bit(hcall / 4, default_enabled_hcalls); in init_default_hcalls()
/linux-6.15/arch/x86/kvm/
H A Dxen.c1422 return kvm_xen_hypercall_set_result(vcpu, run->xen.u.hcall.result); in kvm_xen_hypercall_complete_userspace()
1755 vcpu->run->xen.u.hcall.longmode = longmode; in kvm_xen_hypercall()
1756 vcpu->run->xen.u.hcall.cpl = cpl; in kvm_xen_hypercall()
1757 vcpu->run->xen.u.hcall.input = input; in kvm_xen_hypercall()
1758 vcpu->run->xen.u.hcall.params[0] = params[0]; in kvm_xen_hypercall()
1759 vcpu->run->xen.u.hcall.params[1] = params[1]; in kvm_xen_hypercall()
1760 vcpu->run->xen.u.hcall.params[2] = params[2]; in kvm_xen_hypercall()
1761 vcpu->run->xen.u.hcall.params[3] = params[3]; in kvm_xen_hypercall()
1762 vcpu->run->xen.u.hcall.params[4] = params[4]; in kvm_xen_hypercall()
1763 vcpu->run->xen.u.hcall.params[5] = params[5]; in kvm_xen_hypercall()
H A Dhyperv.c2404 return kvm_hv_hypercall_complete(vcpu, vcpu->run->hyperv.u.hcall.result); in kvm_hv_hypercall_complete_userspace()
2685 vcpu->run->hyperv.u.hcall.input = hc.param; in kvm_hv_hypercall()
2686 vcpu->run->hyperv.u.hcall.params[0] = hc.ingpa; in kvm_hv_hypercall()
2687 vcpu->run->hyperv.u.hcall.params[1] = hc.outgpa; in kvm_hv_hypercall()
/linux-6.15/arch/powerpc/platforms/pseries/
H A Dvas.c168 int h_query_vas_capabilities(const u64 hcall, u8 query_type, u64 result) in h_query_vas_capabilities() argument
172 rc = plpar_hcall_norets(hcall, query_type, result); in h_query_vas_capabilities()
180 (hcall == H_QUERY_VAS_CAPABILITIES) ? in h_query_vas_capabilities()
H A DKconfig147 this enables code that uses the hcall GetPerfCounterInfo and 24x7
/linux-6.15/arch/powerpc/include/asm/
H A Dvas.h271 int h_query_vas_capabilities(const u64 hcall, u8 query_type, u64 result);
H A Dkvm_ppc.h301 int (*hcall_implemented)(unsigned long hcall);
672 extern int kvmppc_xics_rm_complete(struct kvm_vcpu *vcpu, u32 hcall);
701 static inline int kvmppc_xics_rm_complete(struct kvm_vcpu *vcpu, u32 hcall) in kvmppc_xics_rm_complete() argument
H A Dkvm_host.h862 struct kvmhv_tb_accumulator hcall; member
/linux-6.15/tools/include/uapi/linux/
H A Dkvm.h111 } hcall; member
134 } hcall; member
/linux-6.15/include/uapi/linux/
H A Dkvm.h111 } hcall; member
134 } hcall; member
/linux-6.15/tools/arch/powerpc/include/uapi/asm/
H A Dkvm.h745 __u32 hcall[4]; member
/linux-6.15/arch/powerpc/include/uapi/asm/
H A Dkvm.h745 __u32 hcall[4]; member
/linux-6.15/Documentation/virt/kvm/
H A Dppc-pv.rst207 generic hypercalls are implemented here, like the ePAPR idle hcall. These are
H A Dapi.rst1858 __u32 hcall[4];
1865 The hcall array defines 4 instructions that make up a hypercall.
1872 /* the host supports the ePAPR idle hcall
2186 When the guest issues an H_PUT_TCE hcall on a liobn for which a TCE
6947 } hcall;
7075 } hcall;
7547 :Parameters: args[0] is the sPAPR hcall number;
7552 handling of an hcall is effective across the VM. On creation, an
7561 If the hcall number specified is not one that has an in-kernel
8890 IBM pSeries (sPAPR) guest starts using them if "hcall-multi-tce" is
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