On Sun, 24 Jan 2021, Anton Yakovlev wrote:
Enumerate all available jacks and create ALSA controls.
At the moment jacks have a simple implementation and can only be used
to receive notifications about a plugged in/out device.
Signed-off-by: Anton Yakovlev
---
sound/virtio/Makefile |
One more thing I missed yesterday:
On Mon, 25 Jan 2021, Guennadi Liakhovetski wrote:
On Sun, 24 Jan 2021, Anton Yakovlev wrote:
Introduce the operators required for the operation of substreams.
Signed-off-by: Anton Yakovlev
---
sound/virtio/Makefile | 3 +-
Looks fine. A few comments below around code re-use.
On 1/22/21 4:26 AM, Parav Pandit wrote:
> diff --git a/vdpa/vdpa.c b/vdpa/vdpa.c
> new file mode 100644
> index ..942524b7
> --- /dev/null
> +++ b/vdpa/vdpa.c
> @@ -0,0 +1,828 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +
> +#include
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> We will soon use the same structure to handle IO-APIC interrupts as
> well. Introduce an enum to identify the source and a data structure for
> IO-APIC RTE.
>
> While at it, update pci-hyperv.c to use the enum.
>
> No functional
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> They are used to deposit pages into Microsoft Hypervisor and bring up
> logical and virtual processors.
>
> Signed-off-by: Lillian Grassin-Drake
> Signed-off-by: Sunil Muthuswamy
> Signed-off-by: Nuno Das Neves
> Co-Developed-by:
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> Microsoft Hypervisor requires the root partition to make a few
> hypercalls to setup application processors before they can be used.
>
> Signed-off-by: Lillian Grassin-Drake
> Signed-off-by: Sunil Muthuswamy
> Co-Developed-by:
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> We will soon need to access fields inside the MSI address and MSI data
> fields. Introduce hv_msi_address_register and hv_msi_data_register.
>
> Fix up one user of hv_msi_entry in mshyperv.h.
>
> No functional change expected.
>
>
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> When Linux runs as the root partition, it will need to make hypercalls
> which return data from the hypervisor.
>
> Allocate pages for storing results when Linux runs as the root
> partition.
>
> Signed-off-by: Lillian Grassin-Drake
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> Signed-off-by: Sunil Muthuswamy
> Co-Developed-by: Sunil Muthuswamy
> Signed-off-by: Wei Liu
> ---
> arch/x86/include/asm/hyperv-tlfs.h | 13 +++
> include/asm-generic/hyperv-tlfs.h | 36 ++
> 2
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> We will need to identify the device we want Microsoft Hypervisor to
> manipulate. Introduce the data structures for that purpose.
>
> They will be used in a later patch.
>
> Signed-off-by: Sunil Muthuswamy
> Co-Developed-by: Sunil
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> When Linux is running as the root partition, the hypercall page will
> have already been setup by Hyper-V. Copy the content over to the
> allocated page.
>
> Add checks to hv_suspend & co to bail early because they are not
> supported
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> We will need the partition ID for executing some hypercalls later.
>
> Signed-off-by: Lillian Grassin-Drake
> Co-Developed-by: Sunil Muthuswamy
> Signed-off-by: Wei Liu
> ---
> v3:
> 1. Make hv_get_partition_id static.
> 2. Change
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> This makes the name match Hyper-V TLFS.
>
> Signed-off-by: Wei Liu
> Reviewed-by: Vitaly Kuznetsov
> ---
> include/asm-generic/hyperv-tlfs.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> When Linux runs as the root partition, the setup required for TSC page
> is different. Luckily Linux also has access to the MSR based
> clocksource. We can just disable the TSC page clocksource if Linux is
> the root partition.
>
>
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> The IOMMU code needs more work. We're sure for now the IRQ remapping
> hooks are not applicable when Linux is the root partition.
>
> Signed-off-by: Wei Liu
> Acked-by: Joerg Roedel
> Reviewed-by: Vitaly Kuznetsov
> ---
>
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> There is no VMBus and the other infrastructures initialized in
> hv_acpi_init when Linux is running as the root partition.
>
> Signed-off-by: Wei Liu
> ---
> v3: Return 0 instead of -ENODEV.
> ---
> drivers/hv/vmbus_drv.c | 3 +++
>
From: Wei Liu Sent: Wednesday, January 20, 2021 4:01 AM
>
> For now we can use the privilege flag to check. Stash the value to be
> used later.
>
> Put in a bunch of defines for future use when we want to have more
> fine-grained detection.
>
> Signed-off-by: Wei Liu
> ---
> v3: move
On Sun, 24 Jan 2021, Anton Yakovlev wrote:
Introduce the operators required for the operation of substreams.
Signed-off-by: Anton Yakovlev
---
sound/virtio/Makefile | 3 +-
sound/virtio/virtio_pcm.c | 5 +-
sound/virtio/virtio_pcm.h | 2 +
sound/virtio/virtio_pcm_ops.c |
On Sun, 24 Jan 2021, Anton Yakovlev wrote:
The driver implements a message-based transport for I/O substream
operations. Before the start of the substream, the hardware buffer is
sliced into I/O messages, the number of which is equal to the current
number of periods. The size of each message
On Sun, 24 Jan 2021, Anton Yakovlev wrote:
Like the HDA specification, the virtio sound device specification links
PCM substreams, jacks and PCM channel maps into functional groups. For
each discovered group, a PCM device is created, the number of which
coincides with the group number.
I think the use of (devm_)kmalloc() and friends needs some refinement in
several patches in the series.
On Sun, 24 Jan 2021, Anton Yakovlev wrote:
The control queue can be used by different parts of the driver to send
commands to the device. Control messages can be either synchronous or
Hi Anton,
A couple of mostly cosmetic comments inline.
On Sun, 24 Jan 2021, Anton Yakovlev wrote:
Introduce skeleton of the virtio sound driver. The driver implements
the virtio sound device specification, which has become part of the
virtio standard.
Initial initialization of the device,
> > Just calling ttm_bo_unpin() here makes lockdep unhappy.
>
> How does that one splat? But yeah if that's a problem should be
> explained in the comment. I'd then also only do a pin_count--; to make
> sure you can still catch other pin leaks if you have them. Setting it
> to 0 kinda defeats the
On Fri, Jan 22, 2021 at 02:52:35PM +, Colin King wrote:
From: Colin Ian King
There are two error return paths that neglect to free the allocated
object msg that lead to memory leaks. Fix this by adding an error
exit path that frees msg.
Addresses-Coverity: ("Resource leak")
Fixes:
Hi Vivek,
On 1/21/21 6:34 PM, Vivek Kumar Gautam wrote:
> Hi Eric,
>
>
> On 1/19/21 2:33 PM, Auger Eric wrote:
>> Hi Vivek,
>>
>> On 1/15/21 1:13 PM, Vivek Gautam wrote:
>>> This patch-series aims at enabling Nested stage translation in guests
>>> using virtio-iommu as the paravirtualized
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