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virtio-balloon: use virtio wrappers to access page frame numbers

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
[ pass VirtIODevice * to memory accessors,
  Greg Kurz <gkurz@linux.vnet.ibm.com> ]
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Rusty Russell 2014-06-24 19:43:22 +02:00 • committed by Michael S. Tsirkin
parent 1399c60d70
commit 8609d2a87a
1 changed files with 5 additions and 3 deletions
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8
hw/virtio/virtio-balloon.c
View file

@ -31,6 +31,7 @@
#endif #endif
#include "hw/virtio/virtio-bus.h" #include "hw/virtio/virtio-bus.h"
#include "hw/virtio/virtio-access.h"
static void balloon_page(void *addr, int deflate) static void balloon_page(void *addr, int deflate)
{ {
@ -206,8 +207,9 @@ static void virtio_balloon_handle_output(VirtIODevice *vdev, VirtQueue *vq)
while (iov_to_buf(elem.out_sg, elem.out_num, offset, &pfn, 4) == 4) { while (iov_to_buf(elem.out_sg, elem.out_num, offset, &pfn, 4) == 4) {
ram_addr_t pa; ram_addr_t pa;
ram_addr_t addr; ram_addr_t addr;
int p = virtio_ldl_p(vdev, &pfn);
pa = (ram_addr_t)ldl_p(&pfn) << VIRTIO_BALLOON_PFN_SHIFT; pa = (ram_addr_t) p << VIRTIO_BALLOON_PFN_SHIFT;
offset += 4; offset += 4;
/* FIXME: remove get_system_memory(), but how? */ /* FIXME: remove get_system_memory(), but how? */
@ -248,8 +250,8 @@ static void virtio_balloon_receive_stats(VirtIODevice *vdev, VirtQueue *vq)
while (iov_to_buf(elem->out_sg, elem->out_num, offset, &stat, sizeof(stat)) while (iov_to_buf(elem->out_sg, elem->out_num, offset, &stat, sizeof(stat))
== sizeof(stat)) { == sizeof(stat)) {
uint16_t tag = tswap16(stat.tag); uint16_t tag = virtio_tswap16(vdev, stat.tag);
uint64_t val = tswap64(stat.val); uint64_t val = virtio_tswap64(vdev, stat.val);
offset += sizeof(stat); offset += sizeof(stat);
if (tag < VIRTIO_BALLOON_S_NR) if (tag < VIRTIO_BALLOON_S_NR)