KVM: ppc: change kvmppc_mmu_map() parameters
Passing just the TLB index will ease an e500 implementation. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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58a96214a3
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@ -55,7 +55,6 @@ extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
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/* Core-specific hooks */
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extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
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u64 asid, u32 flags, u32 max_bytes,
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unsigned int gtlb_idx);
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extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
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extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
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@ -269,15 +269,19 @@ void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu)
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* Caller must ensure that the specified guest TLB entry is safe to insert into
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* the shadow TLB.
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*/
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void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr, u64 asid,
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u32 flags, u32 max_bytes, unsigned int gtlb_index)
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void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
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unsigned int gtlb_index)
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{
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struct kvmppc_44x_tlbe stlbe;
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struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu);
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struct kvmppc_44x_tlbe *gtlbe = &vcpu_44x->guest_tlb[gtlb_index];
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struct kvmppc_44x_shadow_ref *ref;
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struct page *new_page;
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hpa_t hpaddr;
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gfn_t gfn;
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u32 asid = gtlbe->tid;
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u32 flags = gtlbe->word2;
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u32 max_bytes = get_tlb_bytes(gtlbe);
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unsigned int victim;
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/* Select TLB entry to clobber. Indirectly guard against races with the TLB
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@ -448,10 +452,8 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
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}
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if (tlbe_is_host_safe(vcpu, tlbe)) {
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u64 asid;
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gva_t eaddr;
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gpa_t gpaddr;
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u32 flags;
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u32 bytes;
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eaddr = get_tlb_eaddr(tlbe);
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@ -462,10 +464,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
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eaddr &= ~(bytes - 1);
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gpaddr &= ~(bytes - 1);
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asid = (tlbe->word0 & PPC44x_TLB_TS) | tlbe->tid;
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flags = tlbe->word2 & 0xffff;
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kvmppc_mmu_map(vcpu, eaddr, gpaddr, asid, flags, bytes, gtlb_index);
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kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlb_index);
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}
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KVMTRACE_5D(GTLB_WRITE, vcpu, gtlb_index, tlbe->tid, tlbe->word0,
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@ -316,8 +316,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
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* b) the guest used a large mapping which we're faking
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* Either way, we need to satisfy the fault without
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* invoking the guest. */
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kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlbe->tid,
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gtlbe->word2, get_tlb_bytes(gtlbe), gtlb_index);
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kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlb_index);
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kvmppc_account_exit(vcpu, DTLB_VIRT_MISS_EXITS);
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r = RESUME_GUEST;
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} else {
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@ -364,8 +363,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
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* b) the guest used a large mapping which we're faking
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* Either way, we need to satisfy the fault without
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* invoking the guest. */
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kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlbe->tid,
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gtlbe->word2, get_tlb_bytes(gtlbe), gtlb_index);
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kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlb_index);
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} else {
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/* Guest mapped and leaped at non-RAM! */
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kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_MACHINE_CHECK);
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