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Diffstat (limited to 'arch/powerpc/kvm/book3s_hv.c')
-rw-r--r--arch/powerpc/kvm/book3s_hv.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 7629cd3eb91..b0ee3bc9ca7 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -680,13 +680,12 @@ static int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
}
int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
- struct kvm_sregs *sregs)
+ struct kvm_sregs *sregs)
{
int i;
- sregs->pvr = vcpu->arch.pvr;
-
memset(sregs, 0, sizeof(struct kvm_sregs));
+ sregs->pvr = vcpu->arch.pvr;
for (i = 0; i < vcpu->arch.slb_max; i++) {
sregs->u.s.ppc64.slb[i].slbe = vcpu->arch.slb[i].orige;
sregs->u.s.ppc64.slb[i].slbv = vcpu->arch.slb[i].origv;
@@ -696,7 +695,7 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
}
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
- struct kvm_sregs *sregs)
+ struct kvm_sregs *sregs)
{
int i, j;
@@ -1511,10 +1510,10 @@ static inline int lpcr_rmls(unsigned long rma_size)
static int kvm_rma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
- struct kvmppc_linear_info *ri = vma->vm_file->private_data;
struct page *page;
+ struct kvm_rma_info *ri = vma->vm_file->private_data;
- if (vmf->pgoff >= ri->npages)
+ if (vmf->pgoff >= kvm_rma_pages)
return VM_FAULT_SIGBUS;
page = pfn_to_page(ri->base_pfn + vmf->pgoff);
@@ -1536,7 +1535,7 @@ static int kvm_rma_mmap(struct file *file, struct vm_area_struct *vma)
static int kvm_rma_release(struct inode *inode, struct file *filp)
{
- struct kvmppc_linear_info *ri = filp->private_data;
+ struct kvm_rma_info *ri = filp->private_data;
kvm_release_rma(ri);
return 0;
@@ -1549,18 +1548,27 @@ static const struct file_operations kvm_rma_fops = {
long kvm_vm_ioctl_allocate_rma(struct kvm *kvm, struct kvm_allocate_rma *ret)
{
- struct kvmppc_linear_info *ri;
long fd;
+ struct kvm_rma_info *ri;
+ /*
+ * Only do this on PPC970 in HV mode
+ */
+ if (!cpu_has_feature(CPU_FTR_HVMODE) ||
+ !cpu_has_feature(CPU_FTR_ARCH_201))
+ return -EINVAL;
+
+ if (!kvm_rma_pages)
+ return -EINVAL;
ri = kvm_alloc_rma();
if (!ri)
return -ENOMEM;
- fd = anon_inode_getfd("kvm-rma", &kvm_rma_fops, ri, O_RDWR);
+ fd = anon_inode_getfd("kvm-rma", &kvm_rma_fops, ri, O_RDWR | O_CLOEXEC);
if (fd < 0)
kvm_release_rma(ri);
- ret->rma_size = ri->npages << PAGE_SHIFT;
+ ret->rma_size = kvm_rma_pages << PAGE_SHIFT;
return fd;
}
@@ -1725,7 +1733,7 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
{
int err = 0;
struct kvm *kvm = vcpu->kvm;
- struct kvmppc_linear_info *ri = NULL;
+ struct kvm_rma_info *ri = NULL;
unsigned long hva;
struct kvm_memory_slot *memslot;
struct vm_area_struct *vma;
@@ -1803,7 +1811,7 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
} else {
/* Set up to use an RMO region */
- rma_size = ri->npages;
+ rma_size = kvm_rma_pages;
if (rma_size > memslot->npages)
rma_size = memslot->npages;
rma_size <<= PAGE_SHIFT;
@@ -1831,14 +1839,14 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
/* POWER7 */
lpcr &= ~(LPCR_VPM0 | LPCR_VRMA_L);
lpcr |= rmls << LPCR_RMLS_SH;
- kvm->arch.rmor = kvm->arch.rma->base_pfn << PAGE_SHIFT;
+ kvm->arch.rmor = ri->base_pfn << PAGE_SHIFT;
}
kvm->arch.lpcr = lpcr;
pr_info("KVM: Using RMO at %lx size %lx (LPCR = %lx)\n",
ri->base_pfn << PAGE_SHIFT, rma_size, lpcr);
/* Initialize phys addrs of pages in RMO */
- npages = ri->npages;
+ npages = kvm_rma_pages;
porder = __ilog2(npages);
physp = memslot->arch.slot_phys;
if (physp) {