Re: [PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-26 Thread Stefano Garzarella
On Thu, May 25, 2023 at 08:30:03PM +0200, Markus Armbruster wrote: Stefan Hajnoczi writes: On Wed, May 17, 2023 at 09:19:26AM +0200, Stefano Garzarella wrote: CCing Markus for some advice. On Tue, May 16, 2023 at 11:04:21AM -0500, Jonathon Jongsma wrote: [...] > I need some way to determ

Re: [PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-25 Thread Jonathon Jongsma
On 5/25/23 1:30 PM, Markus Armbruster wrote: Stefan Hajnoczi writes: On Wed, May 17, 2023 at 09:19:26AM +0200, Stefano Garzarella wrote: CCing Markus for some advice. On Tue, May 16, 2023 at 11:04:21AM -0500, Jonathon Jongsma wrote: [...] I need some way to determine that the particular

Re: [PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-25 Thread Markus Armbruster
Stefan Hajnoczi writes: > On Wed, May 17, 2023 at 09:19:26AM +0200, Stefano Garzarella wrote: >> CCing Markus for some advice. >> >> On Tue, May 16, 2023 at 11:04:21AM -0500, Jonathon Jongsma wrote: [...] >> > I need some way to determine that the particular qemu binary can accept >> > a /dev/

Re: [PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-25 Thread Stefan Hajnoczi
On Wed, May 24, 2023 at 11:05:38AM +0200, Stefano Garzarella wrote: > Gentle ping :-) > > On Wed, May 17, 2023 at 4:30 PM Stefan Hajnoczi wrote: > > > > On Wed, May 17, 2023 at 09:19:26AM +0200, Stefano Garzarella wrote: > > > CCing Markus for some advice. > > > > > > On Tue, May 16, 2023 at 11:0

Re: [PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-24 Thread Stefano Garzarella
Gentle ping :-) On Wed, May 17, 2023 at 4:30 PM Stefan Hajnoczi wrote: > > On Wed, May 17, 2023 at 09:19:26AM +0200, Stefano Garzarella wrote: > > CCing Markus for some advice. > > > > On Tue, May 16, 2023 at 11:04:21AM -0500, Jonathon Jongsma wrote: > > > On 5/15/23 5:10 AM, Stefano Garzarella w

Re: [PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-17 Thread Stefan Hajnoczi
On Wed, May 17, 2023 at 09:19:26AM +0200, Stefano Garzarella wrote: > CCing Markus for some advice. > > On Tue, May 16, 2023 at 11:04:21AM -0500, Jonathon Jongsma wrote: > > On 5/15/23 5:10 AM, Stefano Garzarella wrote: > > > On Thu, May 11, 2023 at 11:03:22AM -0500, Jonathon Jongsma wrote: > > >

Re: [PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-17 Thread Stefano Garzarella
CCing Markus for some advice. On Tue, May 16, 2023 at 11:04:21AM -0500, Jonathon Jongsma wrote: On 5/15/23 5:10 AM, Stefano Garzarella wrote: On Thu, May 11, 2023 at 11:03:22AM -0500, Jonathon Jongsma wrote: On 5/11/23 4:15 AM, Stefano Garzarella wrote: The virtio-blk-vhost-vdpa driver in lib

Re: [PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-16 Thread Jonathon Jongsma
On 5/15/23 5:10 AM, Stefano Garzarella wrote: On Thu, May 11, 2023 at 11:03:22AM -0500, Jonathon Jongsma wrote: On 5/11/23 4:15 AM, Stefano Garzarella wrote: The virtio-blk-vhost-vdpa driver in libblkio 1.3.0 supports the new 'fd' property. Let's expose this to the user, so the management layer

Re: [PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-15 Thread Stefano Garzarella
On Thu, May 11, 2023 at 11:03:22AM -0500, Jonathon Jongsma wrote: On 5/11/23 4:15 AM, Stefano Garzarella wrote: The virtio-blk-vhost-vdpa driver in libblkio 1.3.0 supports the new 'fd' property. Let's expose this to the user, so the management layer can pass the file descriptor of an already ope

Re: [PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-11 Thread Jonathon Jongsma
On 5/11/23 4:15 AM, Stefano Garzarella wrote: The virtio-blk-vhost-vdpa driver in libblkio 1.3.0 supports the new 'fd' property. Let's expose this to the user, so the management layer can pass the file descriptor of an already opened vhost-vdpa character device. This is useful especially when the

[PATCH v3 1/1] block/blkio: use qemu_open() to support fd passing for virtio-blk

2023-05-11 Thread Stefano Garzarella
The virtio-blk-vhost-vdpa driver in libblkio 1.3.0 supports the new 'fd' property. Let's expose this to the user, so the management layer can pass the file descriptor of an already opened vhost-vdpa character device. This is useful especially when the device can only be accessed with certain privil