Convert KVM to use the MIPS_ENTRYLO_* definitions from <asm/mipsregs.h>
rather than custom definitions in kvm_host.h
Signed-off-by: James Hogan <james.hogan@xxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Radim Krčmář <rkrcmar@xxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Cc: kvm@xxxxxxxxxxxxxxx
---
arch/mips/include/asm/kvm_host.h | 11 ++++-------
arch/mips/kvm/mmu.c | 22 ++++++++++++----------
arch/mips/kvm/tlb.c | 23 ++++++++++++-----------
3 files changed, 28 insertions(+), 28 deletions(-)
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index 83a3212b956d..d0432b5f2343 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -19,6 +19,8 @@
#include <linux/threads.h>
#include <linux/spinlock.h>
+#include <asm/mipsregs.h>
+
/* MIPS KVM register ids */
#define MIPS_CP0_32(_R, _S) \
(KVM_REG_MIPS_CP0 | KVM_REG_SIZE_U32 | (8 * (_R) + (_S)))
@@ -295,11 +297,6 @@ enum emulation_result {
EMULATE_PRIV_FAIL,
};
-#define MIPS3_PG_G 0x00000001 /* Global; ignore ASID if in lo0 & lo1 */
-#define MIPS3_PG_V 0x00000002 /* Valid */
-#define MIPS3_PG_NV 0x00000000
-#define MIPS3_PG_D 0x00000004 /* Dirty */
-
#define mips3_paddr_to_tlbpfn(x) \
(((unsigned long)(x) >> MIPS3_PG_SHIFT) & MIPS3_PG_FRAME)
#define mips3_tlbpfn_to_paddr(x) \
@@ -310,11 +307,11 @@ enum emulation_result {
#define VPN2_MASK 0xffffe000
#define KVM_ENTRYHI_ASID MIPS_ENTRYHI_ASID
-#define TLB_IS_GLOBAL(x) ((x).tlb_lo[0] & (x).tlb_lo[1] & MIPS3_PG_G)
+#define TLB_IS_GLOBAL(x) ((x).tlb_lo[0] & (x).tlb_lo[1] & ENTRYLO_G)
#define TLB_VPN2(x) ((x).tlb_hi & VPN2_MASK)
#define TLB_ASID(x) ((x).tlb_hi & KVM_ENTRYHI_ASID)
#define TLB_LO_IDX(x, va) (((va) >> PAGE_SHIFT) & 1)
-#define TLB_IS_VALID(x, va) ((x).tlb_lo[TLB_LO_IDX(x, va)] & MIPS3_PG_V)
+#define TLB_IS_VALID(x, va) ((x).tlb_lo[TLB_LO_IDX(x, va)] & ENTRYLO_V)
#define TLB_HI_VPN2_HIT(x, y) ((TLB_VPN2(x) & ~(x).tlb_mask) == \
((y) & VPN2_MASK & ~(x).tlb_mask))
#define TLB_HI_ASID_HIT(x, y) (TLB_IS_GLOBAL(x) || \
diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
index 14996aa5e7c4..ad3125fa9c61 100644
--- a/arch/mips/kvm/mmu.c
+++ b/arch/mips/kvm/mmu.c
@@ -115,10 +115,10 @@ int kvm_mips_handle_kseg0_tlb_fault(unsigned long badvaddr,
pfn0 = kvm->arch.guest_pmap[gfn & ~0x1];
pfn1 = kvm->arch.guest_pmap[gfn | 0x1];
- entrylo0 = mips3_paddr_to_tlbpfn(pfn0 << PAGE_SHIFT) | (0x3 << 3) |
- (1 << 2) | (0x1 << 1);
- entrylo1 = mips3_paddr_to_tlbpfn(pfn1 << PAGE_SHIFT) | (0x3 << 3) |
- (1 << 2) | (0x1 << 1);
+ entrylo0 = mips3_paddr_to_tlbpfn(pfn0 << PAGE_SHIFT) |
+ (0x3 << ENTRYLO_C_SHIFT) | ENTRYLO_D | ENTRYLO_V;
+ entrylo1 = mips3_paddr_to_tlbpfn(pfn1 << PAGE_SHIFT) |
+ (0x3 << ENTRYLO_C_SHIFT) | ENTRYLO_D | ENTRYLO_V;
preempt_disable();
entryhi = (vaddr | kvm_mips_get_kernel_asid(vcpu));
@@ -156,12 +156,14 @@ int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu,
}
/* Get attributes from the Guest TLB */
- entrylo0 = mips3_paddr_to_tlbpfn(pfn0 << PAGE_SHIFT) | (0x3 << 3) |
- (tlb->tlb_lo[0] & MIPS3_PG_D) |
- (tlb->tlb_lo[0] & MIPS3_PG_V);
- entrylo1 = mips3_paddr_to_tlbpfn(pfn1 << PAGE_SHIFT) | (0x3 << 3) |
- (tlb->tlb_lo[1] & MIPS3_PG_D) |
- (tlb->tlb_lo[1] & MIPS3_PG_V);
+ entrylo0 = mips3_paddr_to_tlbpfn(pfn0 << PAGE_SHIFT) |
+ (0x3 << ENTRYLO_C_SHIFT) |
+ (tlb->tlb_lo[0] & ENTRYLO_D) |
+ (tlb->tlb_lo[0] & ENTRYLO_V);
+ entrylo1 = mips3_paddr_to_tlbpfn(pfn1 << PAGE_SHIFT) |
+ (0x3 << ENTRYLO_C_SHIFT) |
+ (tlb->tlb_lo[1] & ENTRYLO_D) |
+ (tlb->tlb_lo[1] & ENTRYLO_V);
kvm_debug("@ %#lx tlb_lo0: 0x%08lx tlb_lo1: 0x%08lx\n", vcpu->arch.pc,
tlb->tlb_lo[0], tlb->tlb_lo[1]);
diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c
index 4825d0dbb65e..8012e686d4ae 100644
--- a/arch/mips/kvm/tlb.c
+++ b/arch/mips/kvm/tlb.c
@@ -86,19 +86,20 @@ void kvm_mips_dump_guest_tlbs(struct kvm_vcpu *vcpu)
for (i = 0; i < KVM_MIPS_GUEST_TLB_SIZE; i++) {
tlb = vcpu->arch.guest_tlb[i];
kvm_info("TLB%c%3d Hi 0x%08lx ",
- (tlb.tlb_lo[0] | tlb.tlb_lo[1]) & MIPS3_PG_V
+ (tlb.tlb_lo[0] | tlb.tlb_lo[1]) & ENTRYLO_V
? ' ' : '*',
i, tlb.tlb_hi);
kvm_info("Lo0=0x%09llx %c%c attr %lx ",
(u64) mips3_tlbpfn_to_paddr(tlb.tlb_lo[0]),
- (tlb.tlb_lo[0] & MIPS3_PG_D) ? 'D' : ' ',
- (tlb.tlb_lo[0] & MIPS3_PG_G) ? 'G' : ' ',
- (tlb.tlb_lo[0] >> 3) & 7);
+ (tlb.tlb_lo[0] & ENTRYLO_D) ? 'D' : ' ',
+ (tlb.tlb_lo[0] & ENTRYLO_G) ? 'G' : ' ',
+ (tlb.tlb_lo[0] & ENTRYLO_C) >> ENTRYLO_C_SHIFT);
kvm_info("Lo1=0x%09llx %c%c attr %lx sz=%lx\n",
(u64) mips3_tlbpfn_to_paddr(tlb.tlb_lo[1]),
- (tlb.tlb_lo[1] & MIPS3_PG_D) ? 'D' : ' ',
- (tlb.tlb_lo[1] & MIPS3_PG_G) ? 'G' : ' ',
- (tlb.tlb_lo[1] >> 3) & 7, tlb.tlb_mask);
+ (tlb.tlb_lo[1] & ENTRYLO_D) ? 'D' : ' ',
+ (tlb.tlb_lo[1] & ENTRYLO_G) ? 'G' : ' ',
+ (tlb.tlb_lo[1] & ENTRYLO_C) >> ENTRYLO_C_SHIFT,
+ tlb.tlb_mask);
}
}
EXPORT_SYMBOL_GPL(kvm_mips_dump_guest_tlbs);
@@ -146,12 +147,12 @@ int kvm_mips_host_tlb_write(struct kvm_vcpu *vcpu, unsigned long entryhi,
/* Flush D-cache */
if (flush_dcache_mask) {
- if (entrylo0 & MIPS3_PG_V) {
+ if (entrylo0 & ENTRYLO_V) {
++vcpu->stat.flush_dcache_exits;
flush_data_cache_page((entryhi & VPN2_MASK) &
~flush_dcache_mask);
}
- if (entrylo1 & MIPS3_PG_V) {
+ if (entrylo1 & ENTRYLO_V) {
++vcpu->stat.flush_dcache_exits;
flush_data_cache_page(((entryhi & VPN2_MASK) &
~flush_dcache_mask) |
@@ -176,8 +177,8 @@ int kvm_mips_handle_commpage_tlb_fault(unsigned long badvaddr,
pfn0 = CPHYSADDR(vcpu->arch.kseg0_commpage) >> PAGE_SHIFT;
pfn1 = 0;
- entrylo0 = mips3_paddr_to_tlbpfn(pfn0 << PAGE_SHIFT) | (0x3 << 3) |
- (1 << 2) | (0x1 << 1);
+ entrylo0 = mips3_paddr_to_tlbpfn(pfn0 << PAGE_SHIFT) |
+ (0x3 << ENTRYLO_C_SHIFT) | ENTRYLO_D | ENTRYLO_V;
entrylo1 = 0;
local_irq_save(flags);
--
2.4.10
