powerpc.c (d93618da6b6d453c6a9684a3460ffd51b9b4ef2e) powerpc.c (d663b8a285986072428a6a145e5994bc275df994)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 *
4 * Copyright IBM Corp. 2007
5 *
6 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
7 * Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
8 */

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31#ifdef CONFIG_PPC_PSERIES
32#include <asm/hvcall.h>
33#include <asm/plpar_wrappers.h>
34#endif
35#include <asm/ultravisor.h>
36#include <asm/setup.h>
37
38#include "timing.h"
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 *
4 * Copyright IBM Corp. 2007
5 *
6 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
7 * Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
8 */

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31#ifdef CONFIG_PPC_PSERIES
32#include <asm/hvcall.h>
33#include <asm/plpar_wrappers.h>
34#endif
35#include <asm/ultravisor.h>
36#include <asm/setup.h>
37
38#include "timing.h"
39#include "irq.h"
40#include "../mm/mmu_decl.h"
41
42#define CREATE_TRACE_POINTS
43#include "trace.h"
44
45struct kvmppc_ops *kvmppc_hv_ops;
46EXPORT_SYMBOL_GPL(kvmppc_hv_ops);
47struct kvmppc_ops *kvmppc_pr_ops;

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2160 pvinfo->hcall[3] = cpu_to_be32(inst_nop);
2161#endif
2162
2163 pvinfo->flags = KVM_PPC_PVINFO_FLAGS_EV_IDLE;
2164
2165 return 0;
2166}
2167
39#include "../mm/mmu_decl.h"
40
41#define CREATE_TRACE_POINTS
42#include "trace.h"
43
44struct kvmppc_ops *kvmppc_hv_ops;
45EXPORT_SYMBOL_GPL(kvmppc_hv_ops);
46struct kvmppc_ops *kvmppc_pr_ops;

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2159 pvinfo->hcall[3] = cpu_to_be32(inst_nop);
2160#endif
2161
2162 pvinfo->flags = KVM_PPC_PVINFO_FLAGS_EV_IDLE;
2163
2164 return 0;
2165}
2166
2167bool kvm_arch_irqchip_in_kernel(struct kvm *kvm)
2168{
2169 int ret = 0;
2170
2171#ifdef CONFIG_KVM_MPIC
2172 ret = ret || (kvm->arch.mpic != NULL);
2173#endif
2174#ifdef CONFIG_KVM_XICS
2175 ret = ret || (kvm->arch.xics != NULL);
2176 ret = ret || (kvm->arch.xive != NULL);
2177#endif
2178 smp_rmb();
2179 return ret;
2180}
2181
2168int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event,
2169 bool line_status)
2170{
2182int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event,
2183 bool line_status)
2184{
2171 if (!irqchip_in_kernel(kvm))
2185 if (!kvm_arch_irqchip_in_kernel(kvm))
2172 return -ENXIO;
2173
2174 irq_event->status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
2175 irq_event->irq, irq_event->level,
2176 line_status);
2177 return 0;
2178}
2179

--- 372 unchanged lines hidden --- 		2186 return -ENXIO;
2187
2188 irq_event->status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
2189 irq_event->irq, irq_event->level,
2190 line_status);
2191 return 0;
2192}
2193

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