On Fri, Feb 11, 2022 at 3:24 PM Xuan Zhuo wrote:
>
> On Fri, 11 Feb 2022 15:05:40 +0800, Jason Wang wrote:
> >
> > 在 2022/2/9 下午8:29, Xuan Zhuo 写道:
> > > This patch implements virtio pci support for QUEUE RESET.
> > >
> > > Performing reset on a queue is divided into these steps:
> > >
> > > 1.
On Fri, Feb 11, 2022 at 3:13 PM Xuan Zhuo wrote:
>
> On Fri, 11 Feb 2022 14:49:03 +0800, Jason Wang wrote:
> >
> > 在 2022/2/9 下午8:28, Xuan Zhuo 写道:
> > > Performing reset on a queue is divided into four steps:
> > >
> > > 1. reset_vq: reset one vq
> > > 2. recycle the buffer from vq by
On Fri, 11 Feb 2022 15:05:40 +0800, Jason Wang wrote:
>
> 在 2022/2/9 下午8:29, Xuan Zhuo 写道:
> > This patch implements virtio pci support for QUEUE RESET.
> >
> > Performing reset on a queue is divided into these steps:
> >
> > 1. reset_vq: reset one vq
> > 2. recycle the buffer from vq by
On Fri, 11 Feb 2022 14:49:03 +0800, Jason Wang wrote:
>
> 在 2022/2/9 下午8:28, Xuan Zhuo 写道:
> > Performing reset on a queue is divided into four steps:
> >
> > 1. reset_vq: reset one vq
> > 2. recycle the buffer from vq by virtqueue_detach_unused_buf()
> > 3. release the ring of the vq by
On Fri, Feb 11, 2022 at 2:34 PM Xuan Zhuo wrote:
>
> On Fri, 11 Feb 2022 13:40:52 +0800, Jason Wang wrote:
> > On Wed, Feb 9, 2022 at 8:29 PM Xuan Zhuo wrote:
> > >
> > > The virtio spec already supports the virtio queue reset function. This
> > > patch set
> > > is to add this function to the
在 2022/2/9 下午8:29, Xuan Zhuo 写道:
This patch implements virtio pci support for QUEUE RESET.
Performing reset on a queue is divided into these steps:
1. reset_vq: reset one vq
2. recycle the buffer from vq by virtqueue_detach_unused_buf()
3. release the ring of the vq by
在 2022/2/9 下午8:28, Xuan Zhuo 写道:
Performing reset on a queue is divided into four steps:
1. reset_vq: reset one vq
2. recycle the buffer from vq by virtqueue_detach_unused_buf()
3. release the ring of the vq by vring_release_virtqueue()
4. enable_reset_vq: re-enable the reset queue
So add two
On Fri, 11 Feb 2022 13:40:52 +0800, Jason Wang wrote:
> On Wed, Feb 9, 2022 at 8:29 PM Xuan Zhuo wrote:
> >
> > The virtio spec already supports the virtio queue reset function. This
> > patch set
> > is to add this function to the kernel. The relevant virtio spec information
> > is
> > here:
On Wed, Feb 9, 2022 at 8:29 PM Xuan Zhuo wrote:
>
> The virtio spec already supports the virtio queue reset function. This patch
> set
> is to add this function to the kernel. The relevant virtio spec information is
> here:
>
> https://github.com/oasis-tcs/virtio-spec/issues/124
>
> Also
On Wed, Feb 09, 2022 at 09:21:17AM +0100, Christoph Hellwig wrote:
> Implement the ->free_disk method to free the msb_data structure only once
> the last gendisk reference goes away instead of keeping a local refcount.
>
The approach looks good, just the error handling needs to be careful,
such
On Wed, Feb 9, 2022 at 7:56 AM Thomas Zimmermann wrote:
>
> Two patches for GEM's SHMEM-backed implementation.
>
> v2:
> * update drivers after vm_ops change
>
> Thomas Zimmermann (2):
> drm/gem-shmem: Set vm_ops in static initializer
> drm/gem-shmem: Don't store mmap'ed buffers in
Hi,
the organizers of the Linux Plumbers Conference 2022 have recently
opened the CfP for microconferences and I thought it would be great to
have another Confidential Computing microconference to bring everyone
together and discuss open problems.
I drafted a proposal for review, feel free to
> -Original Message-
> From: zhenwei pi [mailto:pizhen...@bytedance.com]
> Sent: Thursday, February 10, 2022 4:18 PM
> To: Gonglei (Arei)
> Cc: jasow...@redhat.com; virtualization@lists.linux-foundation.org;
> linux-cry...@vger.kernel.org; linux-ker...@vger.kernel.org;
>
virtqueue_add_packed() only supports virtual addresses, dma is completed
in virtqueue_add_packed().
In some scenarios (such as the AF_XDP scenario), the memory is allocated
and DMA is completed in advance, so it is necessary for us to support
passing the DMA address to virtqueue_add_packed().
virtuque_add() adds parameter predma.
Signed-off-by: Xuan Zhuo
---
drivers/virtio/virtio_ring.c | 11 ++-
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index cfb028ca238e..cf9d118668f1 100644
---
virtqueue_add_split() only supports virtual addresses, dma is completed
in virtqueue_add_split().
In some scenarios (such as the AF_XDP scenario), the memory is allocated
and DMA is completed in advance, so it is necessary for us to support
passing the DMA address to virtqueue_add_split().
And
When calling vring_unmap_desc_packed(), it will not encounter the
situation that the flags contains VRING_DESC_F_INDIRECT. So remove this
logic.
Signed-off-by: Xuan Zhuo
---
drivers/virtio/virtio_ring.c | 18 +-
1 file changed, 5 insertions(+), 13 deletions(-)
diff --git
When calling vring_unmap_one_split_indirect(), it will not encounter the
situation that the flags contains VRING_DESC_F_INDIRECT. So remove this
logic.
Signed-off-by: Xuan Zhuo
---
drivers/virtio/virtio_ring.c | 18 +-
1 file changed, 5 insertions(+), 13 deletions(-)
diff --git
virtqueue_add() only supports virtual addresses, dma is completed in
virtqueue_add().
In some scenarios (such as the AF_XDP scenario), DMA is completed in advance, so
it is necessary for us to support passing the DMA address to virtqueue_add().
Record this predma information in extra->flags,
The actual parameter handled by vring_unmap_state_packed() is that
vring_desc_extra, so this function should use "extra" instead of "state".
Signed-off-by: Xuan Zhuo
---
drivers/virtio/virtio_ring.c | 17 -
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git
/* The accelerator hardware is ready */ #define
VIRTIO_CRYPTO_S_HW_READY (1 << 0) @@ -442,6 +520,7 @@ struct
virtio_crypto_config {
__le32 reserve;
/* Maximum size of each crypto request's content */
__le64 max_size;
+ __le32 akcipher_algo;
};
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