Lines Matching +full:x +full:- +full:rc
1 // SPDX-License-Identifier: GPL-2.0
15 #include "kvm-s390.h"
17 int kvm_s390_pv_destroy_cpu(struct kvm_vcpu *vcpu, u16 *rc, u16 *rrc) in kvm_s390_pv_destroy_cpu() argument
24 cc = uv_cmd_nodata(kvm_s390_pv_cpu_get_handle(vcpu), UVC_CMD_DESTROY_SEC_CPU, rc, rrc); in kvm_s390_pv_destroy_cpu()
26 KVM_UV_EVENT(vcpu->kvm, 3, "PROTVIRT DESTROY VCPU %d: rc %x rrc %x", in kvm_s390_pv_destroy_cpu()
27 vcpu->vcpu_id, *rc, *rrc); in kvm_s390_pv_destroy_cpu()
28 WARN_ONCE(cc, "protvirt destroy cpu failed rc %x rrc %x", *rc, *rrc); in kvm_s390_pv_destroy_cpu()
32 free_pages(vcpu->arch.pv.stor_base, in kvm_s390_pv_destroy_cpu()
35 free_page(sida_origin(vcpu->arch.sie_block)); in kvm_s390_pv_destroy_cpu()
36 vcpu->arch.sie_block->pv_handle_cpu = 0; in kvm_s390_pv_destroy_cpu()
37 vcpu->arch.sie_block->pv_handle_config = 0; in kvm_s390_pv_destroy_cpu()
38 memset(&vcpu->arch.pv, 0, sizeof(vcpu->arch.pv)); in kvm_s390_pv_destroy_cpu()
39 vcpu->arch.sie_block->sdf = 0; in kvm_s390_pv_destroy_cpu()
45 vcpu->arch.sie_block->gbea = 1; in kvm_s390_pv_destroy_cpu()
51 int kvm_s390_pv_create_cpu(struct kvm_vcpu *vcpu, u16 *rc, u16 *rrc) in kvm_s390_pv_create_cpu() argument
60 return -EINVAL; in kvm_s390_pv_create_cpu()
62 vcpu->arch.pv.stor_base = __get_free_pages(GFP_KERNEL, in kvm_s390_pv_create_cpu()
64 if (!vcpu->arch.pv.stor_base) in kvm_s390_pv_create_cpu()
65 return -ENOMEM; in kvm_s390_pv_create_cpu()
68 uvcb.guest_handle = kvm_s390_pv_get_handle(vcpu->kvm); in kvm_s390_pv_create_cpu()
69 uvcb.num = vcpu->arch.sie_block->icpua; in kvm_s390_pv_create_cpu()
70 uvcb.state_origin = (u64)vcpu->arch.sie_block; in kvm_s390_pv_create_cpu()
71 uvcb.stor_origin = (u64)vcpu->arch.pv.stor_base; in kvm_s390_pv_create_cpu()
74 vcpu->arch.sie_block->sidad = __get_free_page(GFP_KERNEL | __GFP_ZERO); in kvm_s390_pv_create_cpu()
75 if (!vcpu->arch.sie_block->sidad) { in kvm_s390_pv_create_cpu()
76 free_pages(vcpu->arch.pv.stor_base, in kvm_s390_pv_create_cpu()
78 return -ENOMEM; in kvm_s390_pv_create_cpu()
82 *rc = uvcb.header.rc; in kvm_s390_pv_create_cpu()
84 KVM_UV_EVENT(vcpu->kvm, 3, in kvm_s390_pv_create_cpu()
85 "PROTVIRT CREATE VCPU: cpu %d handle %llx rc %x rrc %x", in kvm_s390_pv_create_cpu()
86 vcpu->vcpu_id, uvcb.cpu_handle, uvcb.header.rc, in kvm_s390_pv_create_cpu()
93 return -EIO; in kvm_s390_pv_create_cpu()
97 vcpu->arch.pv.handle = uvcb.cpu_handle; in kvm_s390_pv_create_cpu()
98 vcpu->arch.sie_block->pv_handle_cpu = uvcb.cpu_handle; in kvm_s390_pv_create_cpu()
99 vcpu->arch.sie_block->pv_handle_config = kvm_s390_pv_get_handle(vcpu->kvm); in kvm_s390_pv_create_cpu()
100 vcpu->arch.sie_block->sdf = 2; in kvm_s390_pv_create_cpu()
108 vfree(kvm->arch.pv.stor_var); in kvm_s390_pv_dealloc_vm()
109 free_pages(kvm->arch.pv.stor_base, in kvm_s390_pv_dealloc_vm()
111 memset(&kvm->arch.pv, 0, sizeof(kvm->arch.pv)); in kvm_s390_pv_dealloc_vm()
121 kvm->arch.pv.stor_var = NULL; in kvm_s390_pv_alloc_vm()
122 kvm->arch.pv.stor_base = __get_free_pages(GFP_KERNEL, get_order(base)); in kvm_s390_pv_alloc_vm()
123 if (!kvm->arch.pv.stor_base) in kvm_s390_pv_alloc_vm()
124 return -ENOMEM; in kvm_s390_pv_alloc_vm()
132 mutex_lock(&kvm->slots_lock); in kvm_s390_pv_alloc_vm()
133 memslot = kvm_memslots(kvm)->memslots; in kvm_s390_pv_alloc_vm()
134 npages = memslot->base_gfn + memslot->npages; in kvm_s390_pv_alloc_vm()
135 mutex_unlock(&kvm->slots_lock); in kvm_s390_pv_alloc_vm()
137 kvm->arch.pv.guest_len = npages * PAGE_SIZE; in kvm_s390_pv_alloc_vm()
142 kvm->arch.pv.stor_var = vzalloc(vlen); in kvm_s390_pv_alloc_vm()
143 if (!kvm->arch.pv.stor_var) in kvm_s390_pv_alloc_vm()
149 return -ENOMEM; in kvm_s390_pv_alloc_vm()
153 int kvm_s390_pv_deinit_vm(struct kvm *kvm, u16 *rc, u16 *rrc) in kvm_s390_pv_deinit_vm() argument
158 s390_reset_acc(kvm->mm); in kvm_s390_pv_deinit_vm()
161 UVC_CMD_DESTROY_SEC_CONF, rc, rrc); in kvm_s390_pv_deinit_vm()
162 WRITE_ONCE(kvm->arch.gmap->guest_handle, 0); in kvm_s390_pv_deinit_vm()
163 atomic_set(&kvm->mm->context.is_protected, 0); in kvm_s390_pv_deinit_vm()
164 KVM_UV_EVENT(kvm, 3, "PROTVIRT DESTROY VM: rc %x rrc %x", *rc, *rrc); in kvm_s390_pv_deinit_vm()
165 WARN_ONCE(cc, "protvirt destroy vm failed rc %x rrc %x", *rc, *rrc); in kvm_s390_pv_deinit_vm()
171 s390_replace_asce(kvm->arch.gmap); in kvm_s390_pv_deinit_vm()
172 return -EIO; in kvm_s390_pv_deinit_vm()
175 int kvm_s390_pv_init_vm(struct kvm *kvm, u16 *rc, u16 *rrc) in kvm_s390_pv_init_vm() argument
190 uvcb.guest_stor_len = kvm->arch.pv.guest_len; in kvm_s390_pv_init_vm()
191 uvcb.guest_asce = kvm->arch.gmap->asce; in kvm_s390_pv_init_vm()
192 uvcb.guest_sca = (unsigned long)kvm->arch.sca; in kvm_s390_pv_init_vm()
193 uvcb.conf_base_stor_origin = (u64)kvm->arch.pv.stor_base; in kvm_s390_pv_init_vm()
194 uvcb.conf_virt_stor_origin = (u64)kvm->arch.pv.stor_var; in kvm_s390_pv_init_vm()
197 *rc = uvcb.header.rc; in kvm_s390_pv_init_vm()
199 KVM_UV_EVENT(kvm, 3, "PROTVIRT CREATE VM: handle %llx len %llx rc %x rrc %x", in kvm_s390_pv_init_vm()
200 uvcb.guest_handle, uvcb.guest_stor_len, *rc, *rrc); in kvm_s390_pv_init_vm()
203 kvm->arch.pv.handle = uvcb.guest_handle; in kvm_s390_pv_init_vm()
206 if (uvcb.header.rc & UVC_RC_NEED_DESTROY) in kvm_s390_pv_init_vm()
210 return -EIO; in kvm_s390_pv_init_vm()
212 kvm->arch.gmap->guest_handle = uvcb.guest_handle; in kvm_s390_pv_init_vm()
216 int kvm_s390_pv_set_sec_parms(struct kvm *kvm, void *hdr, u64 length, u16 *rc, in kvm_s390_pv_set_sec_parms() argument
228 *rc = uvcb.header.rc; in kvm_s390_pv_set_sec_parms()
230 KVM_UV_EVENT(kvm, 3, "PROTVIRT VM SET PARMS: rc %x rrc %x", in kvm_s390_pv_set_sec_parms()
231 *rc, *rrc); in kvm_s390_pv_set_sec_parms()
233 atomic_set(&kvm->mm->context.is_protected, 1); in kvm_s390_pv_set_sec_parms()
234 return cc ? -EINVAL : 0; in kvm_s390_pv_set_sec_parms()
238 u64 offset, u16 *rc, u16 *rrc) in unpack_one() argument
248 int ret = gmap_make_secure(kvm->arch.gmap, addr, &uvcb); in unpack_one()
250 *rc = uvcb.header.rc; in unpack_one()
253 if (ret && ret != -EAGAIN) in unpack_one()
254 KVM_UV_EVENT(kvm, 3, "PROTVIRT VM UNPACK: failed addr %llx with rc %x rrc %x", in unpack_one()
255 uvcb.gaddr, *rc, *rrc); in unpack_one()
260 unsigned long tweak, u16 *rc, u16 *rrc) in kvm_s390_pv_unpack() argument
266 return -EINVAL; in kvm_s390_pv_unpack()
272 ret = unpack_one(kvm, addr, tweak, offset, rc, rrc); in kvm_s390_pv_unpack()
273 if (ret == -EAGAIN) { in kvm_s390_pv_unpack()
300 KVM_UV_EVENT(vcpu->kvm, 3, "PROTVIRT SET CPU %d STATE %d rc %x rrc %x", in kvm_s390_pv_set_cpu_state()
301 vcpu->vcpu_id, state, uvcb.header.rc, uvcb.header.rrc); in kvm_s390_pv_set_cpu_state()
303 return -EINVAL; in kvm_s390_pv_set_cpu_state()