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authorLinus Torvalds <torvalds@linux-foundation.org>2022-09-30 09:41:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-09-30 09:41:34 -0700
commit70575e77839f4c5337ce2653b39b86bb365a870e (patch)
treec89c019fdb0360d4861a67580066a03c7d434b45 /tools
parent7bc6e90d7aa4170039abe80b9f4e8c8e4eb35091 (diff)
parenta43ae8057cc154fd26a3a23c0e8643bef104d995 (diff)
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin: "Some last minute fixes. The virtio-blk one is the most important one since it was actually seen in the field, but the rest of them are small and clearly safe, everything here has been in next for a while" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vdpa/mlx5: Fix MQ to support non power of two num queues vduse: prevent uninitialized memory accesses virtio-blk: Fix WARN_ON_ONCE in virtio_queue_rq() virtio_test: fixup for vq reset virtio-crypto: fix memory-leak vdpa/ifcvf: fix the calculation of queuepair
Diffstat (limited to 'tools')
-rw-r--r--tools/virtio/linux/virtio.h3
-rw-r--r--tools/virtio/linux/virtio_config.h5
2 files changed, 8 insertions, 0 deletions
diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h
index 363b98228301..5d3440f474dd 100644
--- a/tools/virtio/linux/virtio.h
+++ b/tools/virtio/linux/virtio.h
@@ -14,6 +14,7 @@ struct virtio_device {
u64 features;
struct list_head vqs;
spinlock_t vqs_list_lock;
+ const struct virtio_config_ops *config;
};
struct virtqueue {
@@ -23,7 +24,9 @@ struct virtqueue {
struct virtio_device *vdev;
unsigned int index;
unsigned int num_free;
+ unsigned int num_max;
void *priv;
+ bool reset;
};
/* Interfaces exported by virtio_ring. */
diff --git a/tools/virtio/linux/virtio_config.h b/tools/virtio/linux/virtio_config.h
index f2640e505c4e..2a8a70e2a950 100644
--- a/tools/virtio/linux/virtio_config.h
+++ b/tools/virtio/linux/virtio_config.h
@@ -3,6 +3,11 @@
#include <linux/virtio.h>
#include <uapi/linux/virtio_config.h>
+struct virtio_config_ops {
+ int (*disable_vq_and_reset)(struct virtqueue *vq);
+ int (*enable_vq_after_reset)(struct virtqueue *vq);
+};
+
/*
* __virtio_test_bit - helper to test feature bits. For use by transports.
* Devices should normally use virtio_has_feature,