[PATCH 2/9] remove kvm_mmio_read and kvm_mmio_write

[Glauber Costa <glommer@redhat.com>]

all they did was to call a qemu function. Call this function instead.

Signed-off-by: Glauber Costa <glommer@redhat.com>
---
 qemu-kvm-x86.c |    7 +------
 qemu-kvm.c     |   34 ++++++++--------------------------
 2 files changed, 9 insertions(+), 32 deletions(-)

diff --git a/qemu-kvm-x86.c b/qemu-kvm-x86.c
index 40a90bf..76c7631 100644
--- a/qemu-kvm-x86.c
+++ b/qemu-kvm-x86.c
@@ -364,7 +364,6 @@ void kvm_show_code(kvm_vcpu_context_t vcpu)
 	unsigned char code;
 	char code_str[SHOW_CODE_LEN * 3 + 1];
 	unsigned long rip;
-	kvm_context_t kvm = vcpu->kvm;
 
 	r = ioctl(fd, KVM_GET_SREGS, &sregs);
 	if (r == -1) {
@@ -384,11 +383,7 @@ void kvm_show_code(kvm_vcpu_context_t vcpu)
 	for (n = -back_offset; n < SHOW_CODE_LEN-back_offset; ++n) {
 		if (n == 0)
 			strcat(code_str, " -->");
-		r = kvm_mmio_read(kvm->opaque, rip + n, &code, 1);
-		if (r < 0) {
-			strcat(code_str, " xx");
-			continue;
-		}
+		cpu_physical_memory_rw(rip + n, &code, 1, 0);
 		sprintf(code_str + strlen(code_str), " %02x", code);
 	}
 	fprintf(stderr, "code:%s\n", code_str);
diff --git a/qemu-kvm.c b/qemu-kvm.c
index 8c36eac..65042d2 100644
--- a/qemu-kvm.c
+++ b/qemu-kvm.c
@@ -97,18 +97,6 @@ static int kvm_debug(void *opaque, void *data,
 }
 #endif
 
-int kvm_mmio_read(void *opaque, uint64_t addr, uint8_t *data, int len)
-{
-	cpu_physical_memory_rw(addr, data, len, 0);
-	return 0;
-}
-
-int kvm_mmio_write(void *opaque, uint64_t addr, uint8_t *data, int len)
-{
-	cpu_physical_memory_rw(addr, data, len, 1);
-	return 0;
-}
-
 static int handle_unhandled(uint64_t reason)
 {
     fprintf(stderr, "kvm: unhandled exit %"PRIx64"\n", reason);
@@ -879,23 +867,17 @@ int kvm_set_mpstate(kvm_vcpu_context_t vcpu, struct kvm_mp_state *mp_state)
 }
 #endif
 
-static int handle_mmio(kvm_vcpu_context_t vcpu)
+static void handle_mmio(kvm_vcpu_context_t vcpu)
 {
 	unsigned long addr = vcpu->run->mmio.phys_addr;
-	kvm_context_t kvm = vcpu->kvm;
 	struct kvm_run *kvm_run = vcpu->run;
 	void *data = kvm_run->mmio.data;
 
 	/* hack: Red Hat 7.1 generates these weird accesses. */
 	if ((addr > 0xa0000-4 && addr <= 0xa0000) && kvm_run->mmio.len == 3)
-	    return 0;
+	    return;
 
-	if (kvm_run->mmio.is_write)
-		return kvm_mmio_write(kvm->opaque, addr, data,
-					kvm_run->mmio.len);
-	else
-		return kvm_mmio_read(kvm->opaque, addr, data,
-					kvm_run->mmio.len);
+    cpu_physical_memory_rw(addr, data, kvm_run->mmio.len, kvm_run->mmio.is_write);
 }
 
 int handle_io_window(kvm_context_t kvm)
@@ -980,10 +962,9 @@ again:
 	        struct kvm_coalesced_mmio_ring *ring = (void *)run +
 						kvm_state->coalesced_mmio * PAGE_SIZE;
 		while (ring->first != ring->last) {
-			kvm_mmio_write(kvm->opaque,
-				 ring->coalesced_mmio[ring->first].phys_addr,
-				&ring->coalesced_mmio[ring->first].data[0],
-				 ring->coalesced_mmio[ring->first].len);
+            cpu_physical_memory_rw(ring->coalesced_mmio[ring->first].phys_addr,
+                                   &ring->coalesced_mmio[ring->first].data[0],
+                                   ring->coalesced_mmio[ring->first].len, 1);
 			smp_wmb();
 			ring->first = (ring->first + 1) %
 							KVM_COALESCED_MMIO_MAX;
@@ -1020,7 +1001,8 @@ again:
 			r = handle_debug(vcpu, env);
 			break;
 		case KVM_EXIT_MMIO:
-			r = handle_mmio(vcpu);
+            r = 0;
+			handle_mmio(vcpu);
 			break;
 		case KVM_EXIT_HLT:
 			r = handle_halt(vcpu);
-- 
1.6.2.2