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virtio: Revert "virtio: find_vqs() add arg sizes"

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This reverts commit a10fba0377: the
proposed API isn't supported on all transports but no
effort was made to address this.

It might not be hard to fix if we want to: maybe just
rename size to size_hint and make sure legacy
transports ignore the hint.

But it's not sure what the benefit is in any case, so
let's drop it.

Fixes: a10fba0377 ("virtio: find_vqs() add arg sizes")
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20220816053602.173815-8-mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2022-08-16 01:36:58 -04:00
parent 9e82eb574c
commit 9993a4f989
10 changed files with 10 additions and 22 deletions
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2
arch/um/drivers/virtio_uml.c
View File

@ -1011,7 +1011,7 @@ error_kzalloc:
static int vu_find_vqs(struct virtio_device *vdev, unsigned nvqs,
struct virtqueue *vqs[], vq_callback_t *callbacks[],
const char * const names[], u32 sizes[], const bool *ctx,
const char * const names[], const bool *ctx,
struct irq_affinity *desc)
{
struct virtio_uml_device *vu_dev = to_virtio_uml_device(vdev);

1
drivers/platform/mellanox/mlxbf-tmfifo.c
View File

@ -928,7 +928,6 @@ static int mlxbf_tmfifo_virtio_find_vqs(struct virtio_device *vdev,
struct virtqueue *vqs[],
vq_callback_t *callbacks[],
const char * const names[],
u32 sizes[],
const bool *ctx,
struct irq_affinity *desc)
{

1
drivers/remoteproc/remoteproc_virtio.c
View File

@ -158,7 +158,6 @@ 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)
{

1
drivers/s390/virtio/virtio_ccw.c
View File

@ -637,7 +637,6 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
struct virtqueue *vqs[],
vq_callback_t *callbacks[],
const char * const names[],
u32 sizes[],
const bool *ctx,
struct irq_affinity *desc)
{

1
drivers/virtio/virtio_mmio.c
View File

@ -474,7 +474,6 @@ static int vm_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)
{

2
drivers/virtio/virtio_pci_common.c
View File

@ -396,7 +396,7 @@ out_del_vqs:
/* the config->find_vqs() implementation */
int vp_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,
const char * const names[], const bool *ctx,
struct irq_affinity *desc)
{
int err;

2
drivers/virtio/virtio_pci_common.h
View File

@ -110,7 +110,7 @@ void vp_del_vqs(struct virtio_device *vdev);
/* the config->find_vqs() implementation */
int vp_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,
const char * const names[], const bool *ctx,
struct irq_affinity *desc);
const char *vp_bus_name(struct virtio_device *vdev);

7
drivers/virtio/virtio_pci_modern.c
View File

@ -347,15 +347,12 @@ err:
static int vp_modern_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,
const char * const names[], const bool *ctx,
struct irq_affinity *desc)
{
struct virtio_pci_device *vp_dev = to_vp_device(vdev);
struct virtqueue *vq;
int rc = vp_find_vqs(vdev, nvqs, vqs, callbacks, names, sizes, ctx,
desc);
int rc = vp_find_vqs(vdev, nvqs, vqs, callbacks, names, ctx, desc);
if (rc)
return rc;

1
drivers/virtio/virtio_vdpa.c
View File

@ -269,7 +269,6 @@ static int virtio_vdpa_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)
{

14
include/linux/virtio_config.h
View File

@ -55,7 +55,6 @@ struct virtio_shm_region {
* include a NULL entry for vqs that do not need a callback
* names: array of virtqueue names (mainly for debugging)
* include a NULL entry for vqs unused by driver
* sizes: array of virtqueue sizes
* Returns 0 on success or error status
* @del_vqs: free virtqueues found by find_vqs().
* @synchronize_cbs: synchronize with the virtqueue callbacks (optional)
@ -104,9 +103,7 @@ struct virtio_config_ops {
void (*reset)(struct virtio_device *vdev);
int (*find_vqs)(struct virtio_device *, unsigned nvqs,
struct virtqueue *vqs[], vq_callback_t *callbacks[],
const char * const names[],
u32 sizes[],
const bool *ctx,
const char * const names[], const bool *ctx,
struct irq_affinity *desc);
void (*del_vqs)(struct virtio_device *);
void (*synchronize_cbs)(struct virtio_device *);
@ -215,7 +212,7 @@ struct virtqueue *virtio_find_single_vq(struct virtio_device *vdev,
const char *names[] = { n };
struct virtqueue *vq;
int err = vdev->config->find_vqs(vdev, 1, &vq, callbacks, names, NULL,
NULL, NULL);
NULL);
if (err < 0)
return ERR_PTR(err);
return vq;
@ -227,8 +224,7 @@ int virtio_find_vqs(struct virtio_device *vdev, unsigned nvqs,
const char * const names[],
struct irq_affinity *desc)
{
return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, NULL,
NULL, desc);
return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, NULL, desc);
}
static inline
@ -237,8 +233,8 @@ int virtio_find_vqs_ctx(struct virtio_device *vdev, unsigned nvqs,
const char * const names[], const bool *ctx,
struct irq_affinity *desc)
{
return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, NULL,
ctx, desc);
return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, ctx,
desc);
}
/**