aboutsummaryrefslogtreecommitdiff
path: root/contrib/libvhost-user/libvhost-user.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/libvhost-user/libvhost-user.c')
-rw-r--r--contrib/libvhost-user/libvhost-user.c77
1 files changed, 40 insertions, 37 deletions
diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c
index 5c73ffdd6b..1c1cfbf1e7 100644
--- a/contrib/libvhost-user/libvhost-user.c
+++ b/contrib/libvhost-user/libvhost-user.c
@@ -26,6 +26,7 @@
#include <sys/socket.h>
#include <sys/eventfd.h>
#include <sys/mman.h>
+#include <endian.h>
#include "qemu/compiler.h"
#if defined(__linux__)
@@ -42,7 +43,6 @@
#include "qemu/atomic.h"
#include "qemu/osdep.h"
-#include "qemu/bswap.h"
#include "qemu/memfd.h"
#include "libvhost-user.h"
@@ -1081,7 +1081,7 @@ vu_set_vring_addr_exec(VuDev *dev, VhostUserMsg *vmsg)
return false;
}
- vq->used_idx = lduw_le_p(&vq->vring.used->idx);
+ vq->used_idx = le16toh(vq->vring.used->idx);
if (vq->last_avail_idx != vq->used_idx) {
bool resume = dev->iface->queue_is_processed_in_order &&
@@ -1198,7 +1198,7 @@ vu_check_queue_inflights(VuDev *dev, VuVirtq *vq)
return 0;
}
- vq->used_idx = lduw_le_p(&vq->vring.used->idx);
+ vq->used_idx = le16toh(vq->vring.used->idx);
vq->resubmit_num = 0;
vq->resubmit_list = NULL;
vq->counter = 0;
@@ -2031,13 +2031,13 @@ vu_queue_started(const VuDev *dev, const VuVirtq *vq)
static inline uint16_t
vring_avail_flags(VuVirtq *vq)
{
- return lduw_le_p(&vq->vring.avail->flags);
+ return le16toh(vq->vring.avail->flags);
}
static inline uint16_t
vring_avail_idx(VuVirtq *vq)
{
- vq->shadow_avail_idx = lduw_le_p(&vq->vring.avail->idx);
+ vq->shadow_avail_idx = le16toh(vq->vring.avail->idx);
return vq->shadow_avail_idx;
}
@@ -2045,7 +2045,7 @@ vring_avail_idx(VuVirtq *vq)
static inline uint16_t
vring_avail_ring(VuVirtq *vq, int i)
{
- return lduw_le_p(&vq->vring.avail->ring[i]);
+ return le16toh(vq->vring.avail->ring[i]);
}
static inline uint16_t
@@ -2133,12 +2133,12 @@ virtqueue_read_next_desc(VuDev *dev, struct vring_desc *desc,
int i, unsigned int max, unsigned int *next)
{
/* If this descriptor says it doesn't chain, we're done. */
- if (!(lduw_le_p(&desc[i].flags) & VRING_DESC_F_NEXT)) {
+ if (!(le16toh(desc[i].flags) & VRING_DESC_F_NEXT)) {
return VIRTQUEUE_READ_DESC_DONE;
}
/* Check they're not leading us off end of descriptors. */
- *next = lduw_le_p(&desc[i].next);
+ *next = le16toh(desc[i].next);
/* Make sure compiler knows to grab that: we don't want it changing! */
smp_wmb();
@@ -2181,8 +2181,8 @@ vu_queue_get_avail_bytes(VuDev *dev, VuVirtq *vq, unsigned int *in_bytes,
}
desc = vq->vring.desc;
- if (lduw_le_p(&desc[i].flags) & VRING_DESC_F_INDIRECT) {
- if (ldl_le_p(&desc[i].len) % sizeof(struct vring_desc)) {
+ if (le16toh(desc[i].flags) & VRING_DESC_F_INDIRECT) {
+ if (le32toh(desc[i].len) % sizeof(struct vring_desc)) {
vu_panic(dev, "Invalid size for indirect buffer table");
goto err;
}
@@ -2195,8 +2195,8 @@ vu_queue_get_avail_bytes(VuDev *dev, VuVirtq *vq, unsigned int *in_bytes,
/* loop over the indirect descriptor table */
indirect = 1;
- desc_addr = ldq_le_p(&desc[i].addr);
- desc_len = ldl_le_p(&desc[i].len);
+ desc_addr = le64toh(desc[i].addr);
+ desc_len = le32toh(desc[i].len);
max = desc_len / sizeof(struct vring_desc);
read_len = desc_len;
desc = vu_gpa_to_va(dev, &read_len, desc_addr);
@@ -2223,10 +2223,10 @@ vu_queue_get_avail_bytes(VuDev *dev, VuVirtq *vq, unsigned int *in_bytes,
goto err;
}
- if (lduw_le_p(&desc[i].flags) & VRING_DESC_F_WRITE) {
- in_total += ldl_le_p(&desc[i].len);
+ if (le16toh(desc[i].flags) & VRING_DESC_F_WRITE) {
+ in_total += le32toh(desc[i].len);
} else {
- out_total += ldl_le_p(&desc[i].len);
+ out_total += le32toh(desc[i].len);
}
if (in_total >= max_in_bytes && out_total >= max_out_bytes) {
goto done;
@@ -2377,7 +2377,7 @@ vring_used_flags_set_bit(VuVirtq *vq, int mask)
flags = (uint16_t *)((char*)vq->vring.used +
offsetof(struct vring_used, flags));
- stw_le_p(flags, lduw_le_p(flags) | mask);
+ *flags = htole16(le16toh(*flags) | mask);
}
static inline void
@@ -2387,17 +2387,20 @@ vring_used_flags_unset_bit(VuVirtq *vq, int mask)
flags = (uint16_t *)((char*)vq->vring.used +
offsetof(struct vring_used, flags));
- stw_le_p(flags, lduw_le_p(flags) & ~mask);
+ *flags = htole16(le16toh(*flags) & ~mask);
}
static inline void
vring_set_avail_event(VuVirtq *vq, uint16_t val)
{
+ uint16_t *avail;
+
if (!vq->notification) {
return;
}
- stw_le_p(&vq->vring.used->ring[vq->vring.num], val);
+ avail = (uint16_t *)&vq->vring.used->ring[vq->vring.num];
+ *avail = htole16(val);
}
void
@@ -2487,15 +2490,15 @@ vu_queue_map_desc(VuDev *dev, VuVirtq *vq, unsigned int idx, size_t sz)
struct vring_desc desc_buf[VIRTQUEUE_MAX_SIZE];
int rc;
- if (lduw_le_p(&desc[i].flags) & VRING_DESC_F_INDIRECT) {
- if (ldl_le_p(&desc[i].len) % sizeof(struct vring_desc)) {
+ if (le16toh(desc[i].flags) & VRING_DESC_F_INDIRECT) {
+ if (le32toh(desc[i].len) % sizeof(struct vring_desc)) {
vu_panic(dev, "Invalid size for indirect buffer table");
return NULL;
}
/* loop over the indirect descriptor table */
- desc_addr = ldq_le_p(&desc[i].addr);
- desc_len = ldl_le_p(&desc[i].len);
+ desc_addr = le64toh(desc[i].addr);
+ desc_len = le32toh(desc[i].len);
max = desc_len / sizeof(struct vring_desc);
read_len = desc_len;
desc = vu_gpa_to_va(dev, &read_len, desc_addr);
@@ -2517,11 +2520,11 @@ vu_queue_map_desc(VuDev *dev, VuVirtq *vq, unsigned int idx, size_t sz)
/* Collect all the descriptors */
do {
- if (lduw_le_p(&desc[i].flags) & VRING_DESC_F_WRITE) {
+ if (le16toh(desc[i].flags) & VRING_DESC_F_WRITE) {
if (!virtqueue_map_desc(dev, &in_num, iov + out_num,
VIRTQUEUE_MAX_SIZE - out_num, true,
- ldq_le_p(&desc[i].addr),
- ldl_le_p(&desc[i].len))) {
+ le64toh(desc[i].addr),
+ le32toh(desc[i].len))) {
return NULL;
}
} else {
@@ -2531,8 +2534,8 @@ vu_queue_map_desc(VuDev *dev, VuVirtq *vq, unsigned int idx, size_t sz)
}
if (!virtqueue_map_desc(dev, &out_num, iov,
VIRTQUEUE_MAX_SIZE, false,
- ldq_le_p(&desc[i].addr),
- ldl_le_p(&desc[i].len))) {
+ le64toh(desc[i].addr),
+ le32toh(desc[i].len))) {
return NULL;
}
}
@@ -2731,15 +2734,15 @@ vu_log_queue_fill(VuDev *dev, VuVirtq *vq,
max = vq->vring.num;
i = elem->index;
- if (lduw_le_p(&desc[i].flags) & VRING_DESC_F_INDIRECT) {
- if (ldl_le_p(&desc[i].len) % sizeof(struct vring_desc)) {
+ if (le16toh(desc[i].flags) & VRING_DESC_F_INDIRECT) {
+ if (le32toh(desc[i].len) % sizeof(struct vring_desc)) {
vu_panic(dev, "Invalid size for indirect buffer table");
return;
}
/* loop over the indirect descriptor table */
- desc_addr = ldq_le_p(&desc[i].addr);
- desc_len = ldl_le_p(&desc[i].len);
+ desc_addr = le64toh(desc[i].addr);
+ desc_len = le32toh(desc[i].len);
max = desc_len / sizeof(struct vring_desc);
read_len = desc_len;
desc = vu_gpa_to_va(dev, &read_len, desc_addr);
@@ -2765,9 +2768,9 @@ vu_log_queue_fill(VuDev *dev, VuVirtq *vq,
return;
}
- if (lduw_le_p(&desc[i].flags) & VRING_DESC_F_WRITE) {
- min = MIN(ldl_le_p(&desc[i].len), len);
- vu_log_write(dev, ldq_le_p(&desc[i].addr), min);
+ if (le16toh(desc[i].flags) & VRING_DESC_F_WRITE) {
+ min = MIN(le32toh(desc[i].len), len);
+ vu_log_write(dev, le64toh(desc[i].addr), min);
len -= min;
}
@@ -2792,15 +2795,15 @@ vu_queue_fill(VuDev *dev, VuVirtq *vq,
idx = (idx + vq->used_idx) % vq->vring.num;
- stl_le_p(&uelem.id, elem->index);
- stl_le_p(&uelem.len, len);
+ uelem.id = htole32(elem->index);
+ uelem.len = htole32(len);
vring_used_write(dev, vq, &uelem, idx);
}
static inline
void vring_used_idx_set(VuDev *dev, VuVirtq *vq, uint16_t val)
{
- stw_le_p(&vq->vring.used->idx, val);
+ vq->vring.used->idx = htole16(val);
vu_log_write(dev,
vq->vring.log_guest_addr + offsetof(struct vring_used, idx),
sizeof(vq->vring.used->idx));
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-15 01:17:48 +0000