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author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2020-11-25 14:06:33 +0400 |
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committer | Michael S. Tsirkin <mst@redhat.com> | 2020-12-08 13:48:58 -0500 |
commit | 0ca293155b7bada98afdb250b74577fd5895f0bb (patch) | |
tree | 2bd66516fc0175eb28e3af5b0d1770ac864517ce /contrib | |
parent | 576a00bdeb5bf93275e1d8e923d71daa80935f21 (diff) | |
download | qemu-0ca293155b7bada98afdb250b74577fd5895f0bb.zip qemu-0ca293155b7bada98afdb250b74577fd5895f0bb.tar.gz qemu-0ca293155b7bada98afdb250b74577fd5895f0bb.tar.bz2 |
libvhost-user: replace qemu/bswap.h with glibc endian.h
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20201125100640.366523-2-marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'contrib')
-rw-r--r-- | contrib/libvhost-user/libvhost-user.c | 77 |
1 files changed, 40 insertions, 37 deletions
diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c index 5c73ffd..1c1cfbf 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)); |