Displaying 20 results from an estimated 50 matches for "virtio_ccw_find_vqs".
2016 Mar 01
3
[PATCH 0/2] virtio/s390 patches
Hi Michael,
here are two virtio/s390 patches (one cleanup, one bugfix), prepared
against your vhost branch of mst/vhost.git.
Please apply.
Cornelia Huck (1):
virtio/s390: size of SET_IND payload
Geliang Tang (1):
virtio/s390: use dev_to_virtio
drivers/s390/virtio/virtio_ccw.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
--
2.3.9
2016 Mar 01
3
[PATCH 0/2] virtio/s390 patches
Hi Michael,
here are two virtio/s390 patches (one cleanup, one bugfix), prepared
against your vhost branch of mst/vhost.git.
Please apply.
Cornelia Huck (1):
virtio/s390: size of SET_IND payload
Geliang Tang (1):
virtio/s390: use dev_to_virtio
drivers/s390/virtio/virtio_ccw.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
--
2.3.9
2018 Dec 27
1
[PATCH v37 0/3] Virtio-balloon: support free page reporting
..., VIRTIO_BALLOON_VQ_MAX,
> + err = vb->vdev->config->find_vqs(vb->vdev, 3, //VIRTIO_BALLOON_VQ_MAX,
> vqs, callbacks, names, NULL, NULL);
> if (err)
> return err;
>
>
> To me it looks like that virtio_ccw_find_vqs will abort if any of the virtqueues
> that it is been asked for does not exist (including the earlier ones).
>
This "hack" makes the random crashes go away, but the balloon interface itself
does not work. (setting the value to anything will hang the guest).
As patch 1 also modif...
2019 Apr 26
0
[PATCH 08/10] virtio/s390: add indirection to indicators access
...= sizeof(indicators(vcdev));
ccw->cda = (__u32)(unsigned long) indicatorp;
}
/* Deregister indicators from host. */
- vcdev->indicators = 0;
+ *indicators(vcdev) = 0;
ccw->flags = 0;
ret = ccw_io_helper(vcdev, ccw,
vcdev->is_thinint ?
@@ -656,10 +666,10 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
* We need a data area under 2G to communicate. Our payload is
* the address of the indicators.
*/
- indicatorp = kmalloc(sizeof(&vcdev->indicators), GFP_DMA | GFP_KERNEL);
+ indicatorp = kmalloc(sizeof(indicators(vcdev)), GFP_DMA | GFP_KERNE...
2019 May 23
0
[PATCH v2 6/8] virtio/s390: add indirection to indicators access
...= sizeof(indicators(vcdev));
ccw->cda = (__u32)(unsigned long) indicatorp;
}
/* Deregister indicators from host. */
- vcdev->indicators = 0;
+ *indicators(vcdev) = 0;
ccw->flags = 0;
ret = ccw_io_helper(vcdev, ccw,
vcdev->is_thinint ?
@@ -657,10 +667,10 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
* We need a data area under 2G to communicate. Our payload is
* the address of the indicators.
*/
- indicatorp = kmalloc(sizeof(&vcdev->indicators), GFP_DMA | GFP_KERNEL);
+ indicatorp = kmalloc(sizeof(indicators(vcdev)), GFP_DMA | GFP_KERNE...
2019 Jun 12
0
[PATCH v5 6/8] virtio/s390: add indirection to indicators access
...= sizeof(indicators(vcdev));
ccw->cda = (__u32)(unsigned long) indicatorp;
}
/* Deregister indicators from host. */
- vcdev->indicators = 0;
+ *indicators(vcdev) = 0;
ccw->flags = 0;
ret = ccw_io_helper(vcdev, ccw,
vcdev->is_thinint ?
@@ -657,10 +667,10 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
* We need a data area under 2G to communicate. Our payload is
* the address of the indicators.
*/
- indicatorp = kmalloc(sizeof(&vcdev->indicators), GFP_DMA | GFP_KERNEL);
+ indicatorp = kmalloc(sizeof(indicators(vcdev)), GFP_DMA | GFP_KERNE...
2019 May 29
0
[PATCH v3 6/8] virtio/s390: add indirection to indicators access
...= sizeof(indicators(vcdev));
ccw->cda = (__u32)(unsigned long) indicatorp;
}
/* Deregister indicators from host. */
- vcdev->indicators = 0;
+ *indicators(vcdev) = 0;
ccw->flags = 0;
ret = ccw_io_helper(vcdev, ccw,
vcdev->is_thinint ?
@@ -657,10 +667,10 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
* We need a data area under 2G to communicate. Our payload is
* the address of the indicators.
*/
- indicatorp = kmalloc(sizeof(&vcdev->indicators), GFP_DMA | GFP_KERNEL);
+ indicatorp = kmalloc(sizeof(indicators(vcdev)), GFP_DMA | GFP_KERNE...
2018 Dec 28
0
[PATCH v1 2/2] virtio: don't allocate vqs when names[i] = NULL
...ctx ? ctx[i] : false);
if (IS_ERR(vqs[i])) {
ret = PTR_ERR(vqs[i]);
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index fc9dbad..ae1d56d 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -635,7 +635,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
{
struct virtio_ccw_device *vcdev = to_vc_device(vdev);
unsigned long *indicatorp = NULL;
- int ret, i;
+ int ret, i, queue_idx = 0;
struct ccw1 *ccw;
ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL);
@@ -643,8 +643,14 @@ static int virtio_ccw_...
2023 Mar 05
0
[PATCH AUTOSEL 6.2 05/16] s390/virtio: sort out physical vs virtual pointers usage
...CCW_FLAG_SLI;
ccw->count = sizeof(*thinint_area);
- ccw->cda = (__u32)(unsigned long)thinint_area;
+ ccw->cda = (__u32)virt_to_phys(thinint_area);
ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_IND_ADAPTER);
if (ret) {
if (ret == -EOPNOTSUPP) {
@@ -686,7 +688,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
ccw->cmd_code = CCW_CMD_SET_IND;
ccw->flags = 0;
ccw->count = sizeof(indicators(vcdev));
- ccw->cda = (__u32)(unsigned long) indicatorp;
+ ccw->cda = (__u32)virt_to_phys(indicatorp);
ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_D...
2023 Mar 05
0
[PATCH AUTOSEL 6.1 05/15] s390/virtio: sort out physical vs virtual pointers usage
...CCW_FLAG_SLI;
ccw->count = sizeof(*thinint_area);
- ccw->cda = (__u32)(unsigned long)thinint_area;
+ ccw->cda = (__u32)virt_to_phys(thinint_area);
ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_IND_ADAPTER);
if (ret) {
if (ret == -EOPNOTSUPP) {
@@ -686,7 +688,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
ccw->cmd_code = CCW_CMD_SET_IND;
ccw->flags = 0;
ccw->count = sizeof(indicators(vcdev));
- ccw->cda = (__u32)(unsigned long) indicatorp;
+ ccw->cda = (__u32)virt_to_phys(indicatorp);
ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_D...
2019 Apr 26
0
[PATCH 09/10] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...t = -ENOMEM;
goto out;
@@ -626,7 +645,7 @@ static int virtio_ccw_register_adapter_ind(struct virtio_ccw_device *vcdev,
virtio_ccw_drop_indicators(vcdev);
}
out:
- kfree(thinint_area);
+ vc_dma_free_struct(&vcdev->vdev, thinint_area);
return ret;
}
@@ -642,7 +661,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
int ret, i, queue_idx = 0;
struct ccw1 *ccw;
- ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL);
+ vc_dma_alloc_struct(vdev, ccw);
if (!ccw)
return -ENOMEM;
@@ -666,7 +685,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsign...
2019 May 23
0
[PATCH v2 7/8] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...t = -ENOMEM;
goto out;
@@ -627,7 +646,7 @@ static int virtio_ccw_register_adapter_ind(struct virtio_ccw_device *vcdev,
virtio_ccw_drop_indicators(vcdev);
}
out:
- kfree(thinint_area);
+ vc_dma_free_struct(&vcdev->vdev, thinint_area);
return ret;
}
@@ -643,7 +662,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
int ret, i, queue_idx = 0;
struct ccw1 *ccw;
- ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL);
+ vc_dma_alloc_struct(vdev, ccw);
if (!ccw)
return -ENOMEM;
@@ -667,7 +686,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsign...
2019 May 29
0
[PATCH v3 7/8] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...t = -ENOMEM;
goto out;
@@ -627,7 +646,7 @@ static int virtio_ccw_register_adapter_ind(struct virtio_ccw_device *vcdev,
virtio_ccw_drop_indicators(vcdev);
}
out:
- kfree(thinint_area);
+ vc_dma_free_struct(&vcdev->vdev, thinint_area);
return ret;
}
@@ -643,7 +662,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
int ret, i, queue_idx = 0;
struct ccw1 *ccw;
- ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL);
+ vc_dma_alloc_struct(vdev, ccw);
if (!ccw)
return -ENOMEM;
@@ -667,7 +686,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsign...
2019 Jun 06
0
[PATCH v4 7/8] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...o out;
@@ -627,7 +634,7 @@ static int virtio_ccw_register_adapter_ind(struct virtio_ccw_device *vcdev,
virtio_ccw_drop_indicators(vcdev);
}
out:
- kfree(thinint_area);
+ ccw_device_dma_free(vcdev->cdev, thinint_area, sizeof(*thinint_area));
return ret;
}
@@ -643,7 +650,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
int ret, i, queue_idx = 0;
struct ccw1 *ccw;
- ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL);
+ ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));
if (!ccw)
return -ENOMEM;
@@ -667,7 +674,8 @@ static int virtio_ccw_find_vqs(struct...
2019 Jun 12
0
[PATCH v5 7/8] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...o out;
@@ -627,7 +634,7 @@ static int virtio_ccw_register_adapter_ind(struct virtio_ccw_device *vcdev,
virtio_ccw_drop_indicators(vcdev);
}
out:
- kfree(thinint_area);
+ ccw_device_dma_free(vcdev->cdev, thinint_area, sizeof(*thinint_area));
return ret;
}
@@ -643,7 +650,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
int ret, i, queue_idx = 0;
struct ccw1 *ccw;
- ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL);
+ ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));
if (!ccw)
return -ENOMEM;
@@ -667,7 +674,8 @@ static int virtio_ccw_find_vqs(struct...
2018 Dec 27
2
[PATCH v37 0/3] Virtio-balloon: support free page reporting
This patch triggers random crashes in the guest kernel on s390 early during boot.
No migration and no setting of the balloon is involved.
On 27.08.2018 03:32, Wei Wang wrote:
> The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this
> series enables the virtio-balloon driver to report hints of guest free
> pages to host. It can be used to accelerate virtual machine (VM)
2018 Dec 27
2
[PATCH v37 0/3] Virtio-balloon: support free page reporting
This patch triggers random crashes in the guest kernel on s390 early during boot.
No migration and no setting of the balloon is involved.
On 27.08.2018 03:32, Wei Wang wrote:
> The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this
> series enables the virtio-balloon driver to report hints of guest free
> pages to host. It can be used to accelerate virtual machine (VM)
2019 May 08
2
[PATCH 08/10] virtio/s390: add indirection to indicators access
...= (__u32)(unsigned long) indicatorp;
> }
> /* Deregister indicators from host. */
> - vcdev->indicators = 0;
> + *indicators(vcdev) = 0;
> ccw->flags = 0;
> ret = ccw_io_helper(vcdev, ccw,
> vcdev->is_thinint ?
> @@ -656,10 +666,10 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
> * We need a data area under 2G to communicate. Our payload is
> * the address of the indicators.
> */
> - indicatorp = kmalloc(sizeof(&vcdev->indicators), GFP_DMA | GFP_KERNEL);
> + indicatorp = kmalloc(sizeof(indicators(...
2019 May 08
2
[PATCH 08/10] virtio/s390: add indirection to indicators access
...= (__u32)(unsigned long) indicatorp;
> }
> /* Deregister indicators from host. */
> - vcdev->indicators = 0;
> + *indicators(vcdev) = 0;
> ccw->flags = 0;
> ret = ccw_io_helper(vcdev, ccw,
> vcdev->is_thinint ?
> @@ -656,10 +666,10 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
> * We need a data area under 2G to communicate. Our payload is
> * the address of the indicators.
> */
> - indicatorp = kmalloc(sizeof(&vcdev->indicators), GFP_DMA | GFP_KERNEL);
> + indicatorp = kmalloc(sizeof(indicators(...
2019 Jan 03
0
[PATCH] virtio-ccw: wire up ->bus_name callback
...;dev);
+}
+
static const struct virtio_config_ops virtio_ccw_config_ops = {
.get_features = virtio_ccw_get_features,
.finalize_features = virtio_ccw_finalize_features,
@@ -977,6 +984,7 @@ static const struct virtio_config_ops virtio_ccw_config_ops = {
.reset = virtio_ccw_reset,
.find_vqs = virtio_ccw_find_vqs,
.del_vqs = virtio_ccw_del_vqs,
+ .bus_name = virtio_ccw_bus_name,
};
--
2.17.2