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Re: [Qemu-devel] [PATCH v6 2/8] virtio: allow byte swapping for vring an
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [PATCH v6 2/8] virtio: allow byte swapping for vring and config access |
Date: |
Mon, 31 Mar 2014 18:26:54 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
Am 31.03.2014 18:24, schrieb Alexander Graf:
> On 03/28/2014 11:57 AM, Greg Kurz wrote:
>> From: Rusty Russell <address@hidden>
>>
>> This is based on a simpler patch by Anthony Liguouri, which only handled
>> the vring accesses. We also need some drivers to access these helpers,
>> eg. for data which contains headers.
>>
>> Signed-off-by: Rusty Russell <address@hidden>
>> [ ldq_phys() API change,
>> use per-device needs_byteswap flag,
>> Greg Kurz <address@hidden> ]
>> Signed-off-by: Greg Kurz <address@hidden>
>> ---
>> hw/virtio/virtio.c | 93
>> ++++++++++++++++++++++++++++++----------------------
>> 1 file changed, 53 insertions(+), 40 deletions(-)
>>
>> diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
>> index 24b565f..1877b46 100644
>> --- a/hw/virtio/virtio.c
>> +++ b/hw/virtio/virtio.c
>> @@ -102,53 +102,57 @@ static void virtqueue_init(VirtQueue *vq)
>> vq->vring.align);
>> }
>> -static inline uint64_t vring_desc_addr(hwaddr desc_pa, int i)
>> +static inline uint64_t vring_desc_addr(hwaddr desc_pa, int i,
>> + struct VirtIODevice *vdev)
>
> The logical ordering for helper is usually to have the device as the
> first parameter (it's basically the self object). Could you please order
> it accordingly?
Also please note that QEMU Coding Style requests the use of typedefs,
i.e. drop the "struct".
Regards,
Andreas
--
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
- [Qemu-devel] [PATCH v6 1/8] virtio_legacy_get_byteswap: endian-ambivalent targets using legacy virtio, (continued)
- [Qemu-devel] [PATCH v6 1/8] virtio_legacy_get_byteswap: endian-ambivalent targets using legacy virtio, Greg Kurz, 2014/03/28
- [Qemu-devel] [PATCH v6 2/8] virtio: allow byte swapping for vring and config access, Greg Kurz, 2014/03/28
- [Qemu-devel] [PATCH v6 3/8] virtio-net: use virtio wrappers to access headers, Greg Kurz, 2014/03/28
- [Qemu-devel] [PATCH v6 4/8] virtio-balloon: use virtio wrappers to access page frame numbers, Greg Kurz, 2014/03/28
- [Qemu-devel] [PATCH v6 5/8] virtio-blk: use virtio wrappers to access headers, Greg Kurz, 2014/03/28
- [Qemu-devel] [PATCH v6 6/8] virtio-scsi: use virtio wrappers to access headers, Greg Kurz, 2014/03/28