Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

tools/virtio: remove virtqueue_add_buf() from tests.

Browse source 
Make the rest of the paths use virtqueue_add_sgs or add_outbuf.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2013-03-20 15:44:30 +10:30
parent 0b36f1adcb
commit cf994e0afa
3 changed files with 15 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
tools/virtio/linux/virtio.h
View file

@ -49,13 +49,6 @@ struct virtqueue {
const char *__MODULE_LICENSE_name = __MODULE_LICENSE_value
/* Interfaces exported by virtio_ring. */
int virtqueue_add_buf(struct virtqueue *vq,
struct scatterlist sg[],
unsigned int out_num,
unsigned int in_num,
void *data,
gfp_t gfp);
int virtqueue_add_sgs(struct virtqueue *vq,
struct scatterlist *sgs[],
unsigned int out_sgs,

6
tools/virtio/virtio_test.c
View file

@ -166,9 +166,9 @@ static void run_test(struct vdev_info *dev, struct vq_info *vq,
do {
if (started < bufs) {
sg_init_one(&sl, dev->buf, dev->buf_size);
r = virtqueue_add_buf(vq->vq, &sl, 1, 0,
dev->buf + started,
GFP_ATOMIC);
r = virtqueue_add_outbuf(vq->vq, &sl, 1,
dev->buf + started,
GFP_ATOMIC);
if (likely(r == 0)) {
++started;
virtqueue_kick(vq->vq);

22
tools/virtio/vringh_test.c
View file

@ -388,7 +388,7 @@ static int parallel_test(unsigned long features,
}
if (err)
errx(1, "virtqueue_add_buf: %i", err);
errx(1, "virtqueue_add_in/outbuf: %i", err);
xfers++;
virtqueue_kick(vq);
@ -431,7 +431,7 @@ int main(int argc, char *argv[])
struct virtio_device vdev;
struct virtqueue *vq;
struct vringh vrh;
struct scatterlist guest_sg[RINGSIZE];
struct scatterlist guest_sg[RINGSIZE], *sgs[2];
struct iovec host_riov[2], host_wiov[2];
struct vringh_iov riov, wiov;
struct vring_used_elem used[RINGSIZE];
@ -492,12 +492,14 @@ int main(int argc, char *argv[])
sg_set_buf(&guest_sg[0], __user_addr_max - 1, 1);
sg_init_table(guest_sg+1, 1);
sg_set_buf(&guest_sg[1], __user_addr_max - 3, 2);
sgs[0] = &guest_sg[0];
sgs[1] = &guest_sg[1];
/* May allocate an indirect, so force it to allocate user addr */
__kmalloc_fake = __user_addr_min + vring_size(RINGSIZE, ALIGN);
err = virtqueue_add_buf(vq, guest_sg, 1, 1, &err, GFP_KERNEL);
err = virtqueue_add_sgs(vq, sgs, 1, 1, &err, GFP_KERNEL);
if (err)
errx(1, "virtqueue_add_buf: %i", err);
errx(1, "virtqueue_add_sgs: %i", err);
__kmalloc_fake = NULL;
/* Host retreives it. */
@ -564,9 +566,9 @@ int main(int argc, char *argv[])
/* This will allocate an indirect, so force it to allocate user addr */
__kmalloc_fake = __user_addr_min + vring_size(RINGSIZE, ALIGN);
err = virtqueue_add_buf(vq, guest_sg, RINGSIZE, 0, &err, GFP_KERNEL);
err = virtqueue_add_outbuf(vq, guest_sg, RINGSIZE, &err, GFP_KERNEL);
if (err)
errx(1, "virtqueue_add_buf (large): %i", err);
errx(1, "virtqueue_add_outbuf (large): %i", err);
__kmalloc_fake = NULL;
/* Host picks it up (allocates new iov). */
@ -616,9 +618,9 @@ int main(int argc, char *argv[])
sg_init_table(guest_sg, 1);
sg_set_buf(&guest_sg[0], __user_addr_max - 1, 1);
for (i = 0; i < RINGSIZE; i++) {
err = virtqueue_add_buf(vq, guest_sg, 1, 0, &err, GFP_KERNEL);
err = virtqueue_add_outbuf(vq, guest_sg, 1, &err, GFP_KERNEL);
if (err)
errx(1, "virtqueue_add_buf (multiple): %i", err);
errx(1, "virtqueue_add_outbuf (multiple): %i", err);
}
/* Now get many, and consume them all at once. */
@ -664,9 +666,9 @@ int main(int argc, char *argv[])
sg_set_buf(&guest_sg[2], data + 6, 4);
sg_set_buf(&guest_sg[3], d + 3, sizeof(*d)*3);
err = virtqueue_add_buf(vq, guest_sg, 4, 0, &err, GFP_KERNEL);
err = virtqueue_add_outbuf(vq, guest_sg, 4, &err, GFP_KERNEL);
if (err)
errx(1, "virtqueue_add_buf (indirect): %i", err);
errx(1, "virtqueue_add_outbuf (indirect): %i", err);
vring_init(&vring, RINGSIZE, __user_addr_min, ALIGN);