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Message-ID: <20200406210108.148131-10-mst@redhat.com>
Date: Mon, 6 Apr 2020 17:34:43 -0400
From: "Michael S. Tsirkin" <mst@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Jason Wang <jasowang@...hat.com>,
virtualization@...ts.linux-foundation.org
Subject: [PATCH v4 09/12] tools/virtio: switch to virtio_legacy_init/size
These are used for legacy ring format, switch to APIs that make this
explicit.
Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---
tools/virtio/ringtest/virtio_ring_0_9.c | 6 +++---
tools/virtio/virtio_test.c | 6 +++---
tools/virtio/vringh_test.c | 18 +++++++++---------
3 files changed, 15 insertions(+), 15 deletions(-)
diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c
index 13a035a390e9..e2ab6ac53966 100644
--- a/tools/virtio/ringtest/virtio_ring_0_9.c
+++ b/tools/virtio/ringtest/virtio_ring_0_9.c
@@ -67,13 +67,13 @@ void alloc_ring(void)
int i;
void *p;
- ret = posix_memalign(&p, 0x1000, vring_size(ring_size, 0x1000));
+ ret = posix_memalign(&p, 0x1000, vring_legacy_size(ring_size, 0x1000));
if (ret) {
perror("Unable to allocate ring buffer.\n");
exit(3);
}
- memset(p, 0, vring_size(ring_size, 0x1000));
- vring_init(&ring, ring_size, p, 0x1000);
+ memset(p, 0, vring_legacy_size(ring_size, 0x1000));
+ vring_legacy_init(&ring, ring_size, p, 0x1000);
guest.avail_idx = 0;
guest.kicked_avail_idx = -1;
diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
index 93d81cd64ba0..25be607d8711 100644
--- a/tools/virtio/virtio_test.c
+++ b/tools/virtio/virtio_test.c
@@ -102,10 +102,10 @@ static void vq_info_add(struct vdev_info *dev, int num)
info->idx = dev->nvqs;
info->kick = eventfd(0, EFD_NONBLOCK);
info->call = eventfd(0, EFD_NONBLOCK);
- r = posix_memalign(&info->ring, 4096, vring_size(num, 4096));
+ r = posix_memalign(&info->ring, 4096, vring_legacy_size(num, 4096));
assert(r >= 0);
- memset(info->ring, 0, vring_size(num, 4096));
- vring_init(&info->vring, num, info->ring, 4096);
+ memset(info->ring, 0, vring_legacy_size(num, 4096));
+ vring_legacy_init(&info->vring, num, info->ring, 4096);
info->vq = vring_new_virtqueue(info->idx,
info->vring.num, 4096, &dev->vdev,
true, false, info->ring,
diff --git a/tools/virtio/vringh_test.c b/tools/virtio/vringh_test.c
index 293653463303..8ee2c9a6ad46 100644
--- a/tools/virtio/vringh_test.c
+++ b/tools/virtio/vringh_test.c
@@ -151,7 +151,7 @@ static int parallel_test(u64 features,
err(1, "Opening /tmp/vringh_test-file");
/* Extra room at the end for some data, and indirects */
- mapsize = vring_size(RINGSIZE, ALIGN)
+ mapsize = vring_legacy_size(RINGSIZE, ALIGN)
+ RINGSIZE * 2 * sizeof(int)
+ RINGSIZE * 6 * sizeof(struct vring_desc);
mapsize = (mapsize + getpagesize() - 1) & ~(getpagesize() - 1);
@@ -185,7 +185,7 @@ static int parallel_test(u64 features,
close(to_guest[0]);
close(to_host[1]);
- vring_init(&vrh.vring, RINGSIZE, host_map, ALIGN);
+ vring_legacy_init(&vrh.vring, RINGSIZE, host_map, ALIGN);
vringh_init_user(&vrh, features, RINGSIZE, true,
vrh.vring.desc, vrh.vring.avail, vrh.vring.used);
CPU_SET(first_cpu, &cpu_set);
@@ -297,7 +297,7 @@ static int parallel_test(u64 features,
unsigned int finished = 0;
/* We pass sg[]s pointing into here, but we need RINGSIZE+1 */
- data = guest_map + vring_size(RINGSIZE, ALIGN);
+ data = guest_map + vring_legacy_size(RINGSIZE, ALIGN);
indirects = (void *)data + (RINGSIZE + 1) * 2 * sizeof(int);
/* We are the guest. */
@@ -478,7 +478,7 @@ int main(int argc, char *argv[])
if (posix_memalign(&__user_addr_min, PAGE_SIZE, USER_MEM) != 0)
abort();
__user_addr_max = __user_addr_min + USER_MEM;
- memset(__user_addr_min, 0, vring_size(RINGSIZE, ALIGN));
+ memset(__user_addr_min, 0, vring_legacy_size(RINGSIZE, ALIGN));
/* Set up guest side. */
vq = vring_new_virtqueue(0, RINGSIZE, ALIGN, &vdev, true, false,
@@ -487,7 +487,7 @@ int main(int argc, char *argv[])
"guest vq");
/* Set up host side. */
- vring_init(&vrh.vring, RINGSIZE, __user_addr_min, ALIGN);
+ vring_legacy_init(&vrh.vring, RINGSIZE, __user_addr_min, ALIGN);
vringh_init_user(&vrh, vdev.features, RINGSIZE, true,
vrh.vring.desc, vrh.vring.avail, vrh.vring.used);
@@ -506,7 +506,7 @@ int main(int argc, char *argv[])
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);
+ __kmalloc_fake = __user_addr_min + vring_legacy_size(RINGSIZE, ALIGN);
err = virtqueue_add_sgs(vq, sgs, 1, 1, &err, GFP_KERNEL);
if (err)
errx(1, "virtqueue_add_sgs: %i", err);
@@ -556,7 +556,7 @@ int main(int argc, char *argv[])
errx(1, "vringh_complete_user: %i", err);
/* Guest should see used token now. */
- __kfree_ignore_start = __user_addr_min + vring_size(RINGSIZE, ALIGN);
+ __kfree_ignore_start = __user_addr_min + vring_legacy_size(RINGSIZE, ALIGN);
__kfree_ignore_end = __kfree_ignore_start + 1;
ret = virtqueue_get_buf(vq, &i);
if (ret != &err)
@@ -575,7 +575,7 @@ int main(int argc, char *argv[])
((char *)__user_addr_max - USER_MEM/4)[i] = i;
/* This will allocate an indirect, so force it to allocate user addr */
- __kmalloc_fake = __user_addr_min + vring_size(RINGSIZE, ALIGN);
+ __kmalloc_fake = __user_addr_min + vring_legacy_size(RINGSIZE, ALIGN);
err = virtqueue_add_outbuf(vq, guest_sg, RINGSIZE, &err, GFP_KERNEL);
if (err)
errx(1, "virtqueue_add_outbuf (large): %i", err);
@@ -680,7 +680,7 @@ int main(int argc, char *argv[])
if (err)
errx(1, "virtqueue_add_outbuf (indirect): %i", err);
- vring_init(&vring, RINGSIZE, __user_addr_min, ALIGN);
+ vring_legacy_init(&vring, RINGSIZE, __user_addr_min, ALIGN);
/* They're used in order, but double-check... */
assert(vring.desc[0].addr == (unsigned long)d);
--
MST
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