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authorPaolo Bonzini <pbonzini@redhat.com>2015-04-08 13:30:58 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2015-04-30 16:55:32 +0200
commit4c6637525290dc863a00be7f58fc11d07b780bd4 (patch)
tree06859ebc2c73a788523d8a2c60d572510e95a607 /kvm-all.c
parentf8a9f720dd2fa5c1560838c26c6dad396a0cef5b (diff)
downloadqemu-arm-4c6637525290dc863a00be7f58fc11d07b780bd4.tar.gz
kvm: add support for memory transaction attributes
Let kvm_arch_post_run convert fields in the kvm_run struct to MemTxAttrs. These are then passed to address_space_rw. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'kvm-all.c')
-rw-r--r--kvm-all.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/kvm-all.c b/kvm-all.c
index 28f4589219..17a3771efe 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1669,14 +1669,14 @@ void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len)
s->sigmask_len = sigmask_len;
}
-static void kvm_handle_io(uint16_t port, void *data, int direction, int size,
- uint32_t count)
+static void kvm_handle_io(uint16_t port, MemTxAttrs attrs, void *data, int direction,
+ int size, uint32_t count)
{
int i;
uint8_t *ptr = data;
for (i = 0; i < count; i++) {
- address_space_rw(&address_space_io, port, MEMTXATTRS_UNSPECIFIED,
+ address_space_rw(&address_space_io, port, attrs,
ptr, size,
direction == KVM_EXIT_IO_OUT);
ptr += size;
@@ -1796,6 +1796,8 @@ int kvm_cpu_exec(CPUState *cpu)
}
do {
+ MemTxAttrs attrs;
+
if (cpu->kvm_vcpu_dirty) {
kvm_arch_put_registers(cpu, KVM_PUT_RUNTIME_STATE);
cpu->kvm_vcpu_dirty = false;
@@ -1816,7 +1818,7 @@ int kvm_cpu_exec(CPUState *cpu)
run_ret = kvm_vcpu_ioctl(cpu, KVM_RUN, 0);
qemu_mutex_lock_iothread();
- kvm_arch_post_run(cpu, run);
+ attrs = kvm_arch_post_run(cpu, run);
if (run_ret < 0) {
if (run_ret == -EINTR || run_ret == -EAGAIN) {
@@ -1834,7 +1836,7 @@ int kvm_cpu_exec(CPUState *cpu)
switch (run->exit_reason) {
case KVM_EXIT_IO:
DPRINTF("handle_io\n");
- kvm_handle_io(run->io.port,
+ kvm_handle_io(run->io.port, attrs,
(uint8_t *)run + run->io.data_offset,
run->io.direction,
run->io.size,
@@ -1843,10 +1845,11 @@ int kvm_cpu_exec(CPUState *cpu)
break;
case KVM_EXIT_MMIO:
DPRINTF("handle_mmio\n");
- cpu_physical_memory_rw(run->mmio.phys_addr,
- run->mmio.data,
- run->mmio.len,
- run->mmio.is_write);
+ address_space_rw(&address_space_memory,
+ run->mmio.phys_addr, attrs,
+ run->mmio.data,
+ run->mmio.len,
+ run->mmio.is_write);
ret = 0;
break;
case KVM_EXIT_IRQ_WINDOW_OPEN: