From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Yuanhan Liu <yliu@fridaylinux.org>
Cc: dev@dpdk.org, remy.horton@intel.com, tiwei.bie@intel.com,
mst@redhat.com, jfreiman@redhat.com, vkaplans@redhat.com,
jasowang@redhat.com
Subject: Re: [dpdk-dev] [PATCH v2 17/19] vhost-user: iommu: postpone device creation until ring are mapped
Date: Fri, 29 Sep 2017 14:51:39 +0200 [thread overview]
Message-ID: <c63316a4-ccfd-9a11-4cfd-857f4a9a51e9@redhat.com> (raw)
In-Reply-To: <20170929123432.GP2251@yliu-home>
On 09/29/2017 02:34 PM, Yuanhan Liu wrote:
> On Sun, Sep 24, 2017 at 06:19:19PM +0200, Maxime Coquelin wrote:
>> static int
>> -vhost_user_iotlb_msg(struct virtio_net *dev, struct VhostUserMsg *msg)
>> +is_vring_iotlb_update(struct vhost_virtqueue *vq, struct vhost_iotlb_msg *imsg)
>> {
>> + struct vhost_vring_addr *ra;
>> + uint64_t start, end;
>> +
>> + start = imsg->iova;
>> + end = start + imsg->size;
>> +
>> + ra = &vq->ring_addrs;
>> + if (ra->desc_user_addr >= start && ra->desc_user_addr < end)
>> + return 1;
>> + if (ra->avail_user_addr >= start && ra->avail_user_addr < end)
>> + return 1;
>> + if (ra->used_user_addr >= start && ra->used_user_addr < end)
>> + return 1;
>> +
>> + return -1;
>
> It should be "return 0" here.
Oops, thanks for spotting this.
Maxime
> --yliu
>> +}
next prev parent reply other threads:[~2017-09-29 12:51 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-24 16:19 [dpdk-dev] [PATCH v2 00/19] Vhost-user: Implement device IOTLB support Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 01/19] Revert "vhost: workaround MQ fails to startup" Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 02/19] vhost: make error handling consistent in rx path Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 03/19] vhost: prepare send_vhost_message() to slave requests Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 04/19] vhost: add support to slave requests channel Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 05/19] vhost: declare missing IOMMU-related definitions for old kernels Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 06/19] vhost: add iotlb helper functions Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 07/19] vhost: iotlb: add pending miss request list and helpers Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 08/19] vhost-user: add support to IOTLB miss slave requests Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 09/19] vhost: initialize vrings IOTLB caches Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 10/19] vhost-user: handle IOTLB update and invalidate requests Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 11/19] vhost: introduce guest IOVA to backend VA helper Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 12/19] vhost: use the guest IOVA to host " Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 13/19] vhost: enable rings at the right time Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 14/19] vhost: don't dereference invalid dev pointer after its reallocation Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 15/19] vhost: postpone rings addresses translation Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 16/19] vhost-user: translate ring addresses when IOMMU enabled Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 17/19] vhost-user: iommu: postpone device creation until ring are mapped Maxime Coquelin
2017-09-29 12:34 ` Yuanhan Liu
2017-09-29 12:51 ` Maxime Coquelin [this message]
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 18/19] vhost: iommu: Invalidate vring in case of matching IOTLB invalidate Maxime Coquelin
2017-09-24 16:19 ` [dpdk-dev] [PATCH v2 19/19] vhost: enable IOMMU support Maxime Coquelin
2017-09-29 12:36 ` Yuanhan Liu
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