Paul Mackerras <paulus@xxxxxxxxx> writes:
>
>> diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
>> index 71d0c90..d2c9932 100644
>> --- a/arch/powerpc/kvm/book3s_hv.c
>> +++ b/arch/powerpc/kvm/book3s_hv.c
>> @@ -1515,7 +1515,12 @@ static void kvmppc_add_seg_page_size(struct kvm_ppc_one_seg_page_size **sps,
>> (*sps)->page_shift = def->shift;
>> (*sps)->slb_enc = def->sllp;
>> (*sps)->enc[0].page_shift = def->shift;
>> - (*sps)->enc[0].pte_enc = def->penc;
>> + /*
>> + * FIXME!!
>> + * This is returned to user space. Do we need to
>> + * return details of MPSS here ?
>
> Yes, we do, probably a separate entry for each valid base/actual page
> size pair.
>
How about
commit fb7bca460d5e3a517dce24c0fe28cc94ffde37fa
Author: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Date: Sun Feb 24 22:55:38 2013 +0530
powerpc: Return all the valid pte ecndoing in KVM_PPC_GET_SMMU_INFO ioctl
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 48f6d99..e50eb0d 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -1508,14 +1508,21 @@ long kvm_vm_ioctl_allocate_rma(struct kvm *kvm, struct kvm_allocate_rma *ret)
static void kvmppc_add_seg_page_size(struct kvm_ppc_one_seg_page_size **sps,
int linux_psize)
{
+ int i, index = 0;
struct mmu_psize_def *def = &mmu_psize_defs[linux_psize];
if (!def->shift)
return;
(*sps)->page_shift = def->shift;
(*sps)->slb_enc = def->sllp;
- (*sps)->enc[0].page_shift = def->shift;
- (*sps)->enc[0].pte_enc = def->penc[linux_psize];
+ for (i = 0; i < MMU_PAGE_COUNT; i++) {
+ if ((signed int)def->penc[i] != -1) {
+ BUG_ON(index >= KVM_PPC_PAGE_SIZES_MAX_SZ);
+ (*sps)->enc[index].page_shift = mmu_psize_defs[i].shift;
+ (*sps)->enc[index].pte_enc = def->penc[i];
+ index++;
+ }
+ }
(*sps)++;
}
--
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