[dpdk-dev] [PATCH v6 01/15] vhost: add virtio packed virtqueue defines

Maxime Coquelin maxime.coquelin at redhat.com
Wed Jul 4 18:03:07 CEST 2018



On 07/04/2018 07:37 AM, Tiwei Bie wrote:
> On Mon, Jul 02, 2018 at 10:16:15AM +0200, Maxime Coquelin wrote:
>> From: Jens Freimann <jfreimann at redhat.com>
>>
>> Signed-off-by: Jens Freimann <jfreimann at redhat.com>
>> ---
>>   lib/librte_vhost/vhost.h         |  3 +++
>>   lib/librte_vhost/virtio-packed.h | 22 ++++++++++++++++++++++
>>   2 files changed, 25 insertions(+)
>>   create mode 100644 lib/librte_vhost/virtio-packed.h
>>
>> diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
>> index 3f8fa3a78..cecd5c1ee 100644
>> --- a/lib/librte_vhost/vhost.h
>> +++ b/lib/librte_vhost/vhost.h
>> @@ -191,6 +191,9 @@ struct vhost_msg {
>>   #ifndef VIRTIO_F_VERSION_1
>>    #define VIRTIO_F_VERSION_1 32
>>   #endif
>> +#ifndef VIRTIO_F_RING_PACKED
>> + #define VIRTIO_F_RING_PACKED 34
>> +#endif
>>   
>>   /* Features supported by this builtin vhost-user net driver. */
>>   #define VIRTIO_NET_SUPPORTED_FEATURES ((1ULL << VIRTIO_NET_F_MRG_RXBUF) | \
>> diff --git a/lib/librte_vhost/virtio-packed.h b/lib/librte_vhost/virtio-packed.h
>> new file mode 100644
>> index 000000000..744b3991b
>> --- /dev/null
>> +++ b/lib/librte_vhost/virtio-packed.h
>> @@ -0,0 +1,22 @@
>> +/* SPDX-License-Identifier: BSD-3-Clause
>> + * Copyright(c) Red Hat Inc.
>> + */
>> +
>> +#ifndef __VIRTIO_PACKED_H
>> +#define __VIRTIO_PACKED_H
>> +
>> +#define VRING_DESC_F_NEXT       1
>> +#define VRING_DESC_F_WRITE      2
>> +#define VRING_DESC_F_INDIRECT   4
>> +
>> +#define VRING_DESC_F_AVAIL      (1ULL << 7)
>> +#define VRING_DESC_F_USED	(1ULL << 15)
> 
> Please use space or tab consistently.

Right.

Thanks,
Maxime
>> +
>> +struct vring_desc_packed {
>> +	uint64_t addr;
>> +	uint32_t len;
>> +	uint16_t index;
>> +	uint16_t flags;
>> +};
>> +
>> +#endif /* __VIRTIO_PACKED_H */
>> -- 
>> 2.14.4
>>


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