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authorLinus Torvalds <torvalds@linux-foundation.org>2022-08-12 19:50:34 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-08-12 19:50:34 +0300
commit7a53e17accce9d310d2e522dfc701d8da7ccfa65 (patch)
treec1ccf061aee42178159cbe9c31c2c4e004b76947 /drivers/remoteproc
parent999324f58c41262f5b64d04b7ac54e8f79b019fd (diff)
parent93e530d2a1c4c0fcce45e01ae6c5c6287a08d3e3 (diff)
downloadlinux-7a53e17accce9d310d2e522dfc701d8da7ccfa65.tar.xz
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin: - A huge patchset supporting vq resize using the new vq reset capability - Features, fixes, and cleanups all over the place * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (88 commits) vdpa/mlx5: Fix possible uninitialized return value vdpa_sim_blk: add support for discard and write-zeroes vdpa_sim_blk: add support for VIRTIO_BLK_T_FLUSH vdpa_sim_blk: make vdpasim_blk_check_range usable by other requests vdpa_sim_blk: check if sector is 0 for commands other than read or write vdpa_sim: Implement suspend vdpa op vhost-vdpa: uAPI to suspend the device vhost-vdpa: introduce SUSPEND backend feature bit vdpa: Add suspend operation virtio-blk: Avoid use-after-free on suspend/resume virtio_vdpa: support the arg sizes of find_vqs() vhost-vdpa: Call ida_simple_remove() when failed vDPA: fix 'cast to restricted le16' warnings in vdpa.c vDPA: !FEATURES_OK should not block querying device config space vDPA/ifcvf: support userspace to query features and MQ of a management device vDPA/ifcvf: get_config_size should return a value no greater than dev implementation vhost scsi: Allow user to control num virtqueues vhost-scsi: Fix max number of virtqueues vdpa/mlx5: Support different address spaces for control and data vdpa/mlx5: Implement susupend virtqueue callback ...
Diffstat (limited to 'drivers/remoteproc')
-rw-r--r--drivers/remoteproc/remoteproc_core.c4
-rw-r--r--drivers/remoteproc/remoteproc_virtio.c13
2 files changed, 10 insertions, 7 deletions
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 89832399e028..e5279ed9a8d7 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -335,7 +335,7 @@ int rproc_alloc_vring(struct rproc_vdev *rvdev, int i)
size_t size;
/* actual size of vring (in bytes) */
- size = PAGE_ALIGN(vring_size(rvring->len, rvring->align));
+ size = PAGE_ALIGN(vring_size(rvring->num, rvring->align));
rsc = (void *)rproc->table_ptr + rvdev->rsc_offset;
@@ -402,7 +402,7 @@ rproc_parse_vring(struct rproc_vdev *rvdev, struct fw_rsc_vdev *rsc, int i)
return -EINVAL;
}
- rvring->len = vring->num;
+ rvring->num = vring->num;
rvring->align = vring->align;
rvring->rvdev = rvdev;
diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c
index 70ab496d0431..81c4f5776109 100644
--- a/drivers/remoteproc/remoteproc_virtio.c
+++ b/drivers/remoteproc/remoteproc_virtio.c
@@ -87,7 +87,7 @@ static struct virtqueue *rp_find_vq(struct virtio_device *vdev,
struct fw_rsc_vdev *rsc;
struct virtqueue *vq;
void *addr;
- int len, size;
+ int num, size;
/* we're temporarily limited to two virtqueues per rvdev */
if (id >= ARRAY_SIZE(rvdev->vring))
@@ -104,20 +104,20 @@ static struct virtqueue *rp_find_vq(struct virtio_device *vdev,
rvring = &rvdev->vring[id];
addr = mem->va;
- len = rvring->len;
+ num = rvring->num;
/* zero vring */
- size = vring_size(len, rvring->align);
+ size = vring_size(num, rvring->align);
memset(addr, 0, size);
dev_dbg(dev, "vring%d: va %pK qsz %d notifyid %d\n",
- id, addr, len, rvring->notifyid);
+ id, addr, num, rvring->notifyid);
/*
* Create the new vq, and tell virtio we're not interested in
* the 'weak' smp barriers, since we're talking with a real device.
*/
- vq = vring_new_virtqueue(id, len, rvring->align, vdev, false, ctx,
+ vq = vring_new_virtqueue(id, num, rvring->align, vdev, false, ctx,
addr, rproc_virtio_notify, callback, name);
if (!vq) {
dev_err(dev, "vring_new_virtqueue %s failed\n", name);
@@ -125,6 +125,8 @@ static struct virtqueue *rp_find_vq(struct virtio_device *vdev,
return ERR_PTR(-ENOMEM);
}
+ vq->num_max = num;
+
rvring->vq = vq;
vq->priv = rvring;
@@ -156,6 +158,7 @@ static int rproc_virtio_find_vqs(struct virtio_device *vdev, unsigned int nvqs,
struct virtqueue *vqs[],
vq_callback_t *callbacks[],
const char * const names[],
+ u32 sizes[],
const bool * ctx,
struct irq_affinity *desc)
{