diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/kvm/powerpc.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/powerpc/kvm/powerpc.c | 818 |
1 files changed, 0 insertions, 818 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/kvm/powerpc.c b/ANDROID_3.4.5/arch/powerpc/kvm/powerpc.c deleted file mode 100644 index 00d7e345..00000000 --- a/ANDROID_3.4.5/arch/powerpc/kvm/powerpc.c +++ /dev/null @@ -1,818 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2007 - * - * Authors: Hollis Blanchard <hollisb@us.ibm.com> - * Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> - */ - -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/kvm_host.h> -#include <linux/vmalloc.h> -#include <linux/hrtimer.h> -#include <linux/fs.h> -#include <linux/slab.h> -#include <asm/cputable.h> -#include <asm/uaccess.h> -#include <asm/kvm_ppc.h> -#include <asm/tlbflush.h> -#include <asm/cputhreads.h> -#include "timing.h" -#include "../mm/mmu_decl.h" - -#define CREATE_TRACE_POINTS -#include "trace.h" - -int kvm_arch_vcpu_runnable(struct kvm_vcpu *v) -{ - return !(v->arch.shared->msr & MSR_WE) || - !!(v->arch.pending_exceptions) || - v->requests; -} - -int kvmppc_kvm_pv(struct kvm_vcpu *vcpu) -{ - int nr = kvmppc_get_gpr(vcpu, 11); - int r; - unsigned long __maybe_unused param1 = kvmppc_get_gpr(vcpu, 3); - unsigned long __maybe_unused param2 = kvmppc_get_gpr(vcpu, 4); - unsigned long __maybe_unused param3 = kvmppc_get_gpr(vcpu, 5); - unsigned long __maybe_unused param4 = kvmppc_get_gpr(vcpu, 6); - unsigned long r2 = 0; - - if (!(vcpu->arch.shared->msr & MSR_SF)) { - /* 32 bit mode */ - param1 &= 0xffffffff; - param2 &= 0xffffffff; - param3 &= 0xffffffff; - param4 &= 0xffffffff; - } - - switch (nr) { - case HC_VENDOR_KVM | KVM_HC_PPC_MAP_MAGIC_PAGE: - { - vcpu->arch.magic_page_pa = param1; - vcpu->arch.magic_page_ea = param2; - - r2 = KVM_MAGIC_FEAT_SR | KVM_MAGIC_FEAT_MAS0_TO_SPRG7; - - r = HC_EV_SUCCESS; - break; - } - case HC_VENDOR_KVM | KVM_HC_FEATURES: - r = HC_EV_SUCCESS; -#if defined(CONFIG_PPC_BOOK3S) || defined(CONFIG_KVM_E500) - /* XXX Missing magic page on 44x */ - r2 |= (1 << KVM_FEATURE_MAGIC_PAGE); -#endif - - /* Second return value is in r4 */ - break; - default: - r = HC_EV_UNIMPLEMENTED; - break; - } - - kvmppc_set_gpr(vcpu, 4, r2); - - return r; -} - -int kvmppc_sanity_check(struct kvm_vcpu *vcpu) -{ - int r = false; - - /* We have to know what CPU to virtualize */ - if (!vcpu->arch.pvr) - goto out; - - /* PAPR only works with book3s_64 */ - if ((vcpu->arch.cpu_type != KVM_CPU_3S_64) && vcpu->arch.papr_enabled) - goto out; - -#ifdef CONFIG_KVM_BOOK3S_64_HV - /* HV KVM can only do PAPR mode for now */ - if (!vcpu->arch.papr_enabled) - goto out; -#endif - - r = true; - -out: - vcpu->arch.sane = r; - return r ? 0 : -EINVAL; -} - -int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu) -{ - enum emulation_result er; - int r; - - er = kvmppc_emulate_instruction(run, vcpu); - switch (er) { - case EMULATE_DONE: - /* Future optimization: only reload non-volatiles if they were - * actually modified. */ - r = RESUME_GUEST_NV; - break; - case EMULATE_DO_MMIO: - run->exit_reason = KVM_EXIT_MMIO; - /* We must reload nonvolatiles because "update" load/store - * instructions modify register state. */ - /* Future optimization: only reload non-volatiles if they were - * actually modified. */ - r = RESUME_HOST_NV; - break; - case EMULATE_FAIL: - /* XXX Deliver Program interrupt to guest. */ - printk(KERN_EMERG "%s: emulation failed (%08x)\n", __func__, - kvmppc_get_last_inst(vcpu)); - r = RESUME_HOST; - break; - default: - BUG(); - } - - return r; -} - -int kvm_arch_hardware_enable(void *garbage) -{ - return 0; -} - -void kvm_arch_hardware_disable(void *garbage) -{ -} - -int kvm_arch_hardware_setup(void) -{ - return 0; -} - -void kvm_arch_hardware_unsetup(void) -{ -} - -void kvm_arch_check_processor_compat(void *rtn) -{ - *(int *)rtn = kvmppc_core_check_processor_compat(); -} - -int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) -{ - if (type) - return -EINVAL; - - return kvmppc_core_init_vm(kvm); -} - -void kvm_arch_destroy_vm(struct kvm *kvm) -{ - unsigned int i; - struct kvm_vcpu *vcpu; - - kvm_for_each_vcpu(i, vcpu, kvm) - kvm_arch_vcpu_free(vcpu); - - mutex_lock(&kvm->lock); - for (i = 0; i < atomic_read(&kvm->online_vcpus); i++) - kvm->vcpus[i] = NULL; - - atomic_set(&kvm->online_vcpus, 0); - - kvmppc_core_destroy_vm(kvm); - - mutex_unlock(&kvm->lock); -} - -void kvm_arch_sync_events(struct kvm *kvm) -{ -} - -int kvm_dev_ioctl_check_extension(long ext) -{ - int r; - - switch (ext) { -#ifdef CONFIG_BOOKE - case KVM_CAP_PPC_BOOKE_SREGS: -#else - case KVM_CAP_PPC_SEGSTATE: - case KVM_CAP_PPC_HIOR: - case KVM_CAP_PPC_PAPR: -#endif - case KVM_CAP_PPC_UNSET_IRQ: - case KVM_CAP_PPC_IRQ_LEVEL: - case KVM_CAP_ENABLE_CAP: - case KVM_CAP_ONE_REG: - r = 1; - break; -#ifndef CONFIG_KVM_BOOK3S_64_HV - case KVM_CAP_PPC_PAIRED_SINGLES: - case KVM_CAP_PPC_OSI: - case KVM_CAP_PPC_GET_PVINFO: -#ifdef CONFIG_KVM_E500 - case KVM_CAP_SW_TLB: -#endif - r = 1; - break; - case KVM_CAP_COALESCED_MMIO: - r = KVM_COALESCED_MMIO_PAGE_OFFSET; - break; -#endif -#ifdef CONFIG_KVM_BOOK3S_64_HV - case KVM_CAP_SPAPR_TCE: - r = 1; - break; - case KVM_CAP_PPC_SMT: - r = threads_per_core; - break; - case KVM_CAP_PPC_RMA: - r = 1; - /* PPC970 requires an RMA */ - if (cpu_has_feature(CPU_FTR_ARCH_201)) - r = 2; - break; - case KVM_CAP_SYNC_MMU: - r = cpu_has_feature(CPU_FTR_ARCH_206) ? 1 : 0; - break; -#endif - case KVM_CAP_NR_VCPUS: - /* - * Recommending a number of CPUs is somewhat arbitrary; we - * return the number of present CPUs for -HV (since a host - * will have secondary threads "offline"), and for other KVM - * implementations just count online CPUs. - */ -#ifdef CONFIG_KVM_BOOK3S_64_HV - r = num_present_cpus(); -#else - r = num_online_cpus(); -#endif - break; - case KVM_CAP_MAX_VCPUS: - r = KVM_MAX_VCPUS; - break; - default: - r = 0; - break; - } - return r; - -} - -long kvm_arch_dev_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) -{ - return -EINVAL; -} - -void kvm_arch_free_memslot(struct kvm_memory_slot *free, - struct kvm_memory_slot *dont) -{ -} - -int kvm_arch_create_memslot(struct kvm_memory_slot *slot, unsigned long npages) -{ - return 0; -} - -int kvm_arch_prepare_memory_region(struct kvm *kvm, - struct kvm_memory_slot *memslot, - struct kvm_memory_slot old, - struct kvm_userspace_memory_region *mem, - int user_alloc) -{ - return kvmppc_core_prepare_memory_region(kvm, mem); -} - -void kvm_arch_commit_memory_region(struct kvm *kvm, - struct kvm_userspace_memory_region *mem, - struct kvm_memory_slot old, - int user_alloc) -{ - kvmppc_core_commit_memory_region(kvm, mem); -} - - -void kvm_arch_flush_shadow(struct kvm *kvm) -{ -} - -struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id) -{ - struct kvm_vcpu *vcpu; - vcpu = kvmppc_core_vcpu_create(kvm, id); - if (!IS_ERR(vcpu)) { - vcpu->arch.wqp = &vcpu->wq; - kvmppc_create_vcpu_debugfs(vcpu, id); - } - return vcpu; -} - -void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu) -{ - /* Make sure we're not using the vcpu anymore */ - hrtimer_cancel(&vcpu->arch.dec_timer); - tasklet_kill(&vcpu->arch.tasklet); - - kvmppc_remove_vcpu_debugfs(vcpu); - kvmppc_core_vcpu_free(vcpu); -} - -void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) -{ - kvm_arch_vcpu_free(vcpu); -} - -int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu) -{ - return kvmppc_core_pending_dec(vcpu); -} - -/* - * low level hrtimer wake routine. Because this runs in hardirq context - * we schedule a tasklet to do the real work. - */ -enum hrtimer_restart kvmppc_decrementer_wakeup(struct hrtimer *timer) -{ - struct kvm_vcpu *vcpu; - - vcpu = container_of(timer, struct kvm_vcpu, arch.dec_timer); - tasklet_schedule(&vcpu->arch.tasklet); - - return HRTIMER_NORESTART; -} - -int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) -{ - hrtimer_init(&vcpu->arch.dec_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS); - tasklet_init(&vcpu->arch.tasklet, kvmppc_decrementer_func, (ulong)vcpu); - vcpu->arch.dec_timer.function = kvmppc_decrementer_wakeup; - vcpu->arch.dec_expires = ~(u64)0; - -#ifdef CONFIG_KVM_EXIT_TIMING - mutex_init(&vcpu->arch.exit_timing_lock); -#endif - - return 0; -} - -void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) -{ - kvmppc_mmu_destroy(vcpu); -} - -void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) -{ -#ifdef CONFIG_BOOKE - /* - * vrsave (formerly usprg0) isn't used by Linux, but may - * be used by the guest. - * - * On non-booke this is associated with Altivec and - * is handled by code in book3s.c. - */ - mtspr(SPRN_VRSAVE, vcpu->arch.vrsave); -#endif - kvmppc_core_vcpu_load(vcpu, cpu); - vcpu->cpu = smp_processor_id(); -} - -void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) -{ - kvmppc_core_vcpu_put(vcpu); -#ifdef CONFIG_BOOKE - vcpu->arch.vrsave = mfspr(SPRN_VRSAVE); -#endif - vcpu->cpu = -1; -} - -int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, - struct kvm_guest_debug *dbg) -{ - return -EINVAL; -} - -static void kvmppc_complete_dcr_load(struct kvm_vcpu *vcpu, - struct kvm_run *run) -{ - kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, run->dcr.data); -} - -static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu, - struct kvm_run *run) -{ - u64 uninitialized_var(gpr); - - if (run->mmio.len > sizeof(gpr)) { - printk(KERN_ERR "bad MMIO length: %d\n", run->mmio.len); - return; - } - - if (vcpu->arch.mmio_is_bigendian) { - switch (run->mmio.len) { - case 8: gpr = *(u64 *)run->mmio.data; break; - case 4: gpr = *(u32 *)run->mmio.data; break; - case 2: gpr = *(u16 *)run->mmio.data; break; - case 1: gpr = *(u8 *)run->mmio.data; break; - } - } else { - /* Convert BE data from userland back to LE. */ - switch (run->mmio.len) { - case 4: gpr = ld_le32((u32 *)run->mmio.data); break; - case 2: gpr = ld_le16((u16 *)run->mmio.data); break; - case 1: gpr = *(u8 *)run->mmio.data; break; - } - } - - if (vcpu->arch.mmio_sign_extend) { - switch (run->mmio.len) { -#ifdef CONFIG_PPC64 - case 4: - gpr = (s64)(s32)gpr; - break; -#endif - case 2: - gpr = (s64)(s16)gpr; - break; - case 1: - gpr = (s64)(s8)gpr; - break; - } - } - - kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, gpr); - - switch (vcpu->arch.io_gpr & KVM_MMIO_REG_EXT_MASK) { - case KVM_MMIO_REG_GPR: - kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, gpr); - break; - case KVM_MMIO_REG_FPR: - vcpu->arch.fpr[vcpu->arch.io_gpr & KVM_MMIO_REG_MASK] = gpr; - break; -#ifdef CONFIG_PPC_BOOK3S - case KVM_MMIO_REG_QPR: - vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_MMIO_REG_MASK] = gpr; - break; - case KVM_MMIO_REG_FQPR: - vcpu->arch.fpr[vcpu->arch.io_gpr & KVM_MMIO_REG_MASK] = gpr; - vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_MMIO_REG_MASK] = gpr; - break; -#endif - default: - BUG(); - } -} - -int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, - unsigned int rt, unsigned int bytes, int is_bigendian) -{ - if (bytes > sizeof(run->mmio.data)) { - printk(KERN_ERR "%s: bad MMIO length: %d\n", __func__, - run->mmio.len); - } - - run->mmio.phys_addr = vcpu->arch.paddr_accessed; - run->mmio.len = bytes; - run->mmio.is_write = 0; - - vcpu->arch.io_gpr = rt; - vcpu->arch.mmio_is_bigendian = is_bigendian; - vcpu->mmio_needed = 1; - vcpu->mmio_is_write = 0; - vcpu->arch.mmio_sign_extend = 0; - - return EMULATE_DO_MMIO; -} - -/* Same as above, but sign extends */ -int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu, - unsigned int rt, unsigned int bytes, int is_bigendian) -{ - int r; - - r = kvmppc_handle_load(run, vcpu, rt, bytes, is_bigendian); - vcpu->arch.mmio_sign_extend = 1; - - return r; -} - -int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu, - u64 val, unsigned int bytes, int is_bigendian) -{ - void *data = run->mmio.data; - - if (bytes > sizeof(run->mmio.data)) { - printk(KERN_ERR "%s: bad MMIO length: %d\n", __func__, - run->mmio.len); - } - - run->mmio.phys_addr = vcpu->arch.paddr_accessed; - run->mmio.len = bytes; - run->mmio.is_write = 1; - vcpu->mmio_needed = 1; - vcpu->mmio_is_write = 1; - - /* Store the value at the lowest bytes in 'data'. */ - if (is_bigendian) { - switch (bytes) { - case 8: *(u64 *)data = val; break; - case 4: *(u32 *)data = val; break; - case 2: *(u16 *)data = val; break; - case 1: *(u8 *)data = val; break; - } - } else { - /* Store LE value into 'data'. */ - switch (bytes) { - case 4: st_le32(data, val); break; - case 2: st_le16(data, val); break; - case 1: *(u8 *)data = val; break; - } - } - - return EMULATE_DO_MMIO; -} - -int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) -{ - int r; - sigset_t sigsaved; - - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); - - if (vcpu->mmio_needed) { - if (!vcpu->mmio_is_write) - kvmppc_complete_mmio_load(vcpu, run); - vcpu->mmio_needed = 0; - } else if (vcpu->arch.dcr_needed) { - if (!vcpu->arch.dcr_is_write) - kvmppc_complete_dcr_load(vcpu, run); - vcpu->arch.dcr_needed = 0; - } else if (vcpu->arch.osi_needed) { - u64 *gprs = run->osi.gprs; - int i; - - for (i = 0; i < 32; i++) - kvmppc_set_gpr(vcpu, i, gprs[i]); - vcpu->arch.osi_needed = 0; - } else if (vcpu->arch.hcall_needed) { - int i; - - kvmppc_set_gpr(vcpu, 3, run->papr_hcall.ret); - for (i = 0; i < 9; ++i) - kvmppc_set_gpr(vcpu, 4 + i, run->papr_hcall.args[i]); - vcpu->arch.hcall_needed = 0; - } - - r = kvmppc_vcpu_run(run, vcpu); - - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &sigsaved, NULL); - - return r; -} - -void kvm_vcpu_kick(struct kvm_vcpu *vcpu) -{ - int me; - int cpu = vcpu->cpu; - - me = get_cpu(); - if (waitqueue_active(vcpu->arch.wqp)) { - wake_up_interruptible(vcpu->arch.wqp); - vcpu->stat.halt_wakeup++; - } else if (cpu != me && cpu != -1) { - smp_send_reschedule(vcpu->cpu); - } - put_cpu(); -} - -int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq) -{ - if (irq->irq == KVM_INTERRUPT_UNSET) { - kvmppc_core_dequeue_external(vcpu, irq); - return 0; - } - - kvmppc_core_queue_external(vcpu, irq); - kvm_vcpu_kick(vcpu); - - return 0; -} - -static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu, - struct kvm_enable_cap *cap) -{ - int r; - - if (cap->flags) - return -EINVAL; - - switch (cap->cap) { - case KVM_CAP_PPC_OSI: - r = 0; - vcpu->arch.osi_enabled = true; - break; - case KVM_CAP_PPC_PAPR: - r = 0; - vcpu->arch.papr_enabled = true; - break; -#ifdef CONFIG_KVM_E500 - case KVM_CAP_SW_TLB: { - struct kvm_config_tlb cfg; - void __user *user_ptr = (void __user *)(uintptr_t)cap->args[0]; - - r = -EFAULT; - if (copy_from_user(&cfg, user_ptr, sizeof(cfg))) - break; - - r = kvm_vcpu_ioctl_config_tlb(vcpu, &cfg); - break; - } -#endif - default: - r = -EINVAL; - break; - } - - if (!r) - r = kvmppc_sanity_check(vcpu); - - return r; -} - -int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, - struct kvm_mp_state *mp_state) -{ - return -EINVAL; -} - -int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, - struct kvm_mp_state *mp_state) -{ - return -EINVAL; -} - -long kvm_arch_vcpu_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) -{ - struct kvm_vcpu *vcpu = filp->private_data; - void __user *argp = (void __user *)arg; - long r; - - switch (ioctl) { - case KVM_INTERRUPT: { - struct kvm_interrupt irq; - r = -EFAULT; - if (copy_from_user(&irq, argp, sizeof(irq))) - goto out; - r = kvm_vcpu_ioctl_interrupt(vcpu, &irq); - goto out; - } - - case KVM_ENABLE_CAP: - { - struct kvm_enable_cap cap; - r = -EFAULT; - if (copy_from_user(&cap, argp, sizeof(cap))) - goto out; - r = kvm_vcpu_ioctl_enable_cap(vcpu, &cap); - break; - } - - case KVM_SET_ONE_REG: - case KVM_GET_ONE_REG: - { - struct kvm_one_reg reg; - r = -EFAULT; - if (copy_from_user(®, argp, sizeof(reg))) - goto out; - if (ioctl == KVM_SET_ONE_REG) - r = kvm_vcpu_ioctl_set_one_reg(vcpu, ®); - else - r = kvm_vcpu_ioctl_get_one_reg(vcpu, ®); - break; - } - -#ifdef CONFIG_KVM_E500 - case KVM_DIRTY_TLB: { - struct kvm_dirty_tlb dirty; - r = -EFAULT; - if (copy_from_user(&dirty, argp, sizeof(dirty))) - goto out; - r = kvm_vcpu_ioctl_dirty_tlb(vcpu, &dirty); - break; - } -#endif - - default: - r = -EINVAL; - } - -out: - return r; -} - -int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) -{ - return VM_FAULT_SIGBUS; -} - -static int kvm_vm_ioctl_get_pvinfo(struct kvm_ppc_pvinfo *pvinfo) -{ - u32 inst_lis = 0x3c000000; - u32 inst_ori = 0x60000000; - u32 inst_nop = 0x60000000; - u32 inst_sc = 0x44000002; - u32 inst_imm_mask = 0xffff; - - /* - * The hypercall to get into KVM from within guest context is as - * follows: - * - * lis r0, r0, KVM_SC_MAGIC_R0@h - * ori r0, KVM_SC_MAGIC_R0@l - * sc - * nop - */ - pvinfo->hcall[0] = inst_lis | ((KVM_SC_MAGIC_R0 >> 16) & inst_imm_mask); - pvinfo->hcall[1] = inst_ori | (KVM_SC_MAGIC_R0 & inst_imm_mask); - pvinfo->hcall[2] = inst_sc; - pvinfo->hcall[3] = inst_nop; - - return 0; -} - -long kvm_arch_vm_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) -{ - void __user *argp = (void __user *)arg; - long r; - - switch (ioctl) { - case KVM_PPC_GET_PVINFO: { - struct kvm_ppc_pvinfo pvinfo; - memset(&pvinfo, 0, sizeof(pvinfo)); - r = kvm_vm_ioctl_get_pvinfo(&pvinfo); - if (copy_to_user(argp, &pvinfo, sizeof(pvinfo))) { - r = -EFAULT; - goto out; - } - - break; - } -#ifdef CONFIG_KVM_BOOK3S_64_HV - case KVM_CREATE_SPAPR_TCE: { - struct kvm_create_spapr_tce create_tce; - struct kvm *kvm = filp->private_data; - - r = -EFAULT; - if (copy_from_user(&create_tce, argp, sizeof(create_tce))) - goto out; - r = kvm_vm_ioctl_create_spapr_tce(kvm, &create_tce); - goto out; - } - - case KVM_ALLOCATE_RMA: { - struct kvm *kvm = filp->private_data; - struct kvm_allocate_rma rma; - - r = kvm_vm_ioctl_allocate_rma(kvm, &rma); - if (r >= 0 && copy_to_user(argp, &rma, sizeof(rma))) - r = -EFAULT; - break; - } -#endif /* CONFIG_KVM_BOOK3S_64_HV */ - - default: - r = -ENOTTY; - } - -out: - return r; -} - -int kvm_arch_init(void *opaque) -{ - return 0; -} - -void kvm_arch_exit(void) -{ -} |