diff options
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/kvm/vcpu.h | 4 | ||||
| -rw-r--r-- | arch/ia64/kvm/vtlb.c | 39 |
2 files changed, 19 insertions, 24 deletions
diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h index b2f12a562bd..042af92ced8 100644 --- a/arch/ia64/kvm/vcpu.h +++ b/arch/ia64/kvm/vcpu.h @@ -703,7 +703,7 @@ extern u64 guest_vhpt_lookup(u64 iha, u64 *pte); extern void thash_purge_entries(struct kvm_vcpu *v, u64 va, u64 ps); extern void thash_purge_entries_remote(struct kvm_vcpu *v, u64 va, u64 ps); extern u64 translate_phy_pte(u64 *pte, u64 itir, u64 va); -extern int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, +extern void thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir, u64 ifa, int type); extern void thash_purge_all(struct kvm_vcpu *v); extern struct thash_data *vtlb_lookup(struct kvm_vcpu *v, @@ -738,7 +738,7 @@ void kvm_init_vhpt(struct kvm_vcpu *v); void thash_init(struct thash_cb *hcb, u64 sz); void panic_vm(struct kvm_vcpu *v, const char *fmt, ...); - +u64 kvm_gpa_to_mpa(u64 gpa); extern u64 ia64_call_vsa(u64 proc, u64 arg1, u64 arg2, u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7); diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c index ac94867f826..38232b37668 100644 --- a/arch/ia64/kvm/vtlb.c +++ b/arch/ia64/kvm/vtlb.c @@ -164,11 +164,11 @@ static void vhpt_insert(u64 pte, u64 itir, u64 ifa, u64 gpte) unsigned long ps, gpaddr; ps = itir_ps(itir); + rr.val = ia64_get_rr(ifa); - gpaddr = ((gpte & _PAGE_PPN_MASK) >> ps << ps) | - (ifa & ((1UL << ps) - 1)); + gpaddr = ((gpte & _PAGE_PPN_MASK) >> ps << ps) | + (ifa & ((1UL << ps) - 1)); - rr.val = ia64_get_rr(ifa); head = (struct thash_data *)ia64_thash(ifa); head->etag = INVALID_TI_TAG; ia64_mf(); @@ -412,16 +412,14 @@ u64 translate_phy_pte(u64 *pte, u64 itir, u64 va) /* * Purge overlap TCs and then insert the new entry to emulate itc ops. - * Notes: Only TC entry can purge and insert. - * 1 indicates this is MMIO + * Notes: Only TC entry can purge and insert. */ -int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir, +void thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir, u64 ifa, int type) { u64 ps; u64 phy_pte, io_mask, index; union ia64_rr vrr, mrr; - int ret = 0; ps = itir_ps(itir); vrr.val = vcpu_get_rr(v, ifa); @@ -441,25 +439,19 @@ int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir, phy_pte &= ~_PAGE_MA_MASK; } - if (pte & VTLB_PTE_IO) - ret = 1; - vtlb_purge(v, ifa, ps); vhpt_purge(v, ifa, ps); - if (ps == mrr.ps) { - if (!(pte&VTLB_PTE_IO)) { - vhpt_insert(phy_pte, itir, ifa, pte); - } else { - vtlb_insert(v, pte, itir, ifa); - vcpu_quick_region_set(VMX(v, tc_regions), ifa); - } - } else if (ps > mrr.ps) { + if ((ps != mrr.ps) || (pte & VTLB_PTE_IO)) { vtlb_insert(v, pte, itir, ifa); vcpu_quick_region_set(VMX(v, tc_regions), ifa); - if (!(pte&VTLB_PTE_IO)) - vhpt_insert(phy_pte, itir, ifa, pte); - } else { + } + if (pte & VTLB_PTE_IO) + return; + + if (ps >= mrr.ps) + vhpt_insert(phy_pte, itir, ifa, pte); + else { u64 psr; phy_pte &= ~PAGE_FLAGS_RV_MASK; psr = ia64_clear_ic(); @@ -469,7 +461,6 @@ int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir, if (!(pte&VTLB_PTE_IO)) mark_pages_dirty(v, pte, ps); - return ret; } /* @@ -570,6 +561,10 @@ void thash_init(struct thash_cb *hcb, u64 sz) u64 kvm_get_mpt_entry(u64 gpfn) { u64 *base = (u64 *) KVM_P2M_BASE; + + if (gpfn >= (KVM_P2M_SIZE >> 3)) + panic_vm(current_vcpu, "Invalid gpfn =%lx\n", gpfn); + return *(base + gpfn); } |