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Re: [Qemu-devel] [PATCH v2 8/8] virtio-crypto: use virtqueue_error for e
From: |
Ladi Prosek |
Subject: |
Re: [Qemu-devel] [PATCH v2 8/8] virtio-crypto: use virtqueue_error for errors with queue context |
Date: |
Thu, 13 Jul 2017 17:31:59 +0200 |
On Thu, Jul 13, 2017 at 5:20 PM, Cornelia Huck <address@hidden> wrote:
> On Thu, 13 Jul 2017 13:02:37 +0200
> Ladi Prosek <address@hidden> wrote:
>
>> virtqueue_error includes queue index in the error output and is preferred
>> for errors that pertain to a virtqueue rather than to the device as a whole.
>>
>> Signed-off-by: Ladi Prosek <address@hidden>
>> ---
>> hw/virtio/virtio-crypto.c | 56
>> ++++++++++++++++++++++++-----------------------
>> 1 file changed, 29 insertions(+), 27 deletions(-)
>>
>> diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c
>> index 0353eb6..08e6c03 100644
>> --- a/hw/virtio/virtio-crypto.c
>> +++ b/hw/virtio/virtio-crypto.c
>> @@ -35,6 +35,7 @@ static inline int virtio_crypto_vq2q(int queue_index)
>>
>> static int
>> virtio_crypto_cipher_session_helper(VirtIODevice *vdev,
>> + VirtQueue *ctrl_vq,
>> CryptoDevBackendSymSessionInfo *info,
>> struct virtio_crypto_cipher_session_para *cipher_para,
>> struct iovec **iov, unsigned int *out_num)
>> @@ -61,7 +62,7 @@ virtio_crypto_cipher_session_helper(VirtIODevice *vdev,
>> info->cipher_key = g_malloc(info->key_len);
>> s = iov_to_buf(*iov, num, 0, info->cipher_key, info->key_len);
>> if (unlikely(s != info->key_len)) {
>> - virtio_error(vdev, "virtio-crypto cipher key incorrect");
>> + virtqueue_error(ctrl_vq, "virtio-crypto cipher key incorrect");
>
> As virtio-crypto devices always have one control queue, I would just
> use the pointer stored in the vcrypto structure. This avoids some of
> the cascading function signature changes.
Will do. I wanted to be explicit to make the change more future-proof,
but maybe it is better to keep it simple. Thanks!
>> return -EFAULT;
>> }
>> iov_discard_front(iov, &num, info->key_len);
Re: [Qemu-devel] [PATCH v2 0/8] virtio: enhance virtio_error messages, Greg Kurz, 2017/07/13