From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Vijay Srivastava <vijay.srivastava@xilinx.com>, dev@dpdk.org
Cc: chenbo.xia@intel.com, andrew.rybchenko@oktetlabs.ru,
Vijay Kumar Srivastava <vsrivast@xilinx.com>
Subject: Re: [dpdk-dev] [PATCH 07/10] vdpa/sfc: add support to get queue notify area info
Date: Mon, 30 Aug 2021 15:22:49 +0200 [thread overview]
Message-ID: <13ae51b1-84c8-3e0e-dc28-8b0ebc098b03@redhat.com> (raw)
In-Reply-To: <20210706164418.32615-8-vsrivast@xilinx.com>
On 7/6/21 6:44 PM, Vijay Srivastava wrote:
> From: Vijay Kumar Srivastava <vsrivast@xilinx.com>
>
> Implement the vDPA ops get_notify_area to get the notify
> area info of the queue.
>
> Signed-off-by: Vijay Kumar Srivastava <vsrivast@xilinx.com>
> ---
> drivers/vdpa/sfc/sfc_vdpa_ops.c | 166 ++++++++++++++++++++++++++++++++++++++--
> drivers/vdpa/sfc/sfc_vdpa_ops.h | 2 +
> 2 files changed, 162 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/vdpa/sfc/sfc_vdpa_ops.c b/drivers/vdpa/sfc/sfc_vdpa_ops.c
...
> +static int
> +sfc_vdpa_get_notify_area(int vid, int qid, uint64_t *offset, uint64_t *size)
> +{
> + int ret;
> + efx_nic_t *nic;
> + int vfio_dev_fd;
> + efx_rc_t rc;
> + unsigned int bar_offset;
> + struct rte_vdpa_device *vdpa_dev;
> + struct sfc_vdpa_ops_data *ops_data;
> + struct vfio_region_info reg = { .argsz = sizeof(reg) };
> + const efx_nic_cfg_t *encp;
> + int max_vring_cnt;
> + int64_t len;
> + void *dev;
> +
> + vdpa_dev = rte_vhost_get_vdpa_device(vid);
> +
> + ops_data = sfc_vdpa_get_data_by_dev(vdpa_dev);
> + if (ops_data == NULL)
> + return -1;
> +
> + dev = ops_data->dev_handle;
> +
> + vfio_dev_fd = sfc_vdpa_adapter_by_dev_handle(dev)->vfio_dev_fd;
> + max_vring_cnt =
> + (sfc_vdpa_adapter_by_dev_handle(dev)->max_queue_count * 2);
> +
> + nic = sfc_vdpa_adapter_by_dev_handle(ops_data->dev_handle)->nic;
> + encp = efx_nic_cfg_get(nic);
> +
> + if (qid >= max_vring_cnt) {
> + sfc_vdpa_err(dev, "invalid qid : %d", qid);
> + return -1;
> + }
> +
> + if (ops_data->vq_cxt[qid].enable != B_TRUE) {
> + sfc_vdpa_err(dev, "vq is not enabled");
> + return -1;
> + }
> +
> + rc = efx_virtio_get_doorbell_offset(ops_data->vq_cxt[qid].vq,
> + &bar_offset);
> + if (rc != 0) {
> + sfc_vdpa_err(dev, "failed to get doorbell offset: %s",
> + rte_strerror(rc));
> + return rc;
> + }
> +
> + reg.index = sfc_vdpa_adapter_by_dev_handle(dev)->mem_bar.esb_rid;
> + ret = ioctl(vfio_dev_fd, VFIO_DEVICE_GET_REGION_INFO, ®);
> + if (ret != 0) {
> + sfc_vdpa_err(dev, "could not get device region info: %s",
> + strerror(errno));
> + return ret;
> + }
> +
> + *offset = reg.offset + bar_offset;
> +
> + len = (1U << encp->enc_vi_window_shift) / 2;
> + if (len >= sysconf(_SC_PAGESIZE))
> + *size = sysconf(_SC_PAGESIZE);
> + else
> + return -1;
This error case may deserve an error messageto be logged.
> +
> + sfc_vdpa_info(dev, "vDPA ops get_notify_area :: offset : 0x%" PRIx64,
> + *offset);
> +
> + return 0;
> +}
> +
next prev parent reply other threads:[~2021-08-30 13:22 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-06 16:44 [dpdk-dev] [PATCH 00/10] vdpa/sfc: introduce Xilinx vDPA driver Vijay Srivastava
2021-07-06 16:44 ` [dpdk-dev] [PATCH 01/10] " Vijay Srivastava
2021-08-11 2:26 ` Xia, Chenbo
2021-08-13 8:38 ` Andrew Rybchenko
2021-08-13 9:23 ` Xia, Chenbo
2021-08-13 9:31 ` Andrew Rybchenko
2021-08-16 1:35 ` Xia, Chenbo
2021-08-13 15:34 ` Stephen Hemminger
2021-08-13 15:36 ` Stephen Hemminger
2021-10-29 11:32 ` Vijay Kumar Srivastava
2021-08-13 15:36 ` Stephen Hemminger
2021-10-28 18:13 ` Vijay Kumar Srivastava
2021-07-06 16:44 ` [dpdk-dev] [PATCH 02/10] vdpa/sfc: add support for device initialization Vijay Srivastava
2021-08-30 9:16 ` Maxime Coquelin
2021-08-30 10:52 ` Xia, Chenbo
2021-09-03 13:19 ` Vijay Kumar Srivastava
2021-09-06 3:02 ` Xia, Chenbo
2021-10-01 17:31 ` Vijay Kumar Srivastava
2021-10-09 3:06 ` Xia, Chenbo
2021-10-18 10:06 ` Vijay Kumar Srivastava
2021-10-19 2:16 ` Xia, Chenbo
2021-10-25 6:11 ` Vijay Kumar Srivastava
2021-07-06 16:44 ` [dpdk-dev] [PATCH 03/10] vdpa/sfc: add support to get device and protocol features Vijay Srivastava
2021-08-30 9:34 ` Maxime Coquelin
2021-07-06 16:44 ` [dpdk-dev] [PATCH 04/10] vdpa/sfc: get device supported max queue count Vijay Srivastava
2021-08-30 9:35 ` Maxime Coquelin
2021-07-06 16:44 ` [dpdk-dev] [PATCH 05/10] vdpa/sfc: add support to get VFIO device fd Vijay Srivastava
2021-08-30 9:39 ` Maxime Coquelin
2021-07-06 16:44 ` [dpdk-dev] [PATCH 06/10] vdpa/sfc: add support for dev conf and dev close ops Vijay Srivastava
2021-08-30 11:35 ` Maxime Coquelin
2021-09-03 13:22 ` Vijay Kumar Srivastava
2021-07-06 16:44 ` [dpdk-dev] [PATCH 07/10] vdpa/sfc: add support to get queue notify area info Vijay Srivastava
2021-08-30 13:22 ` Maxime Coquelin [this message]
2021-07-06 16:44 ` [dpdk-dev] [PATCH 08/10] vdpa/sfc: add support for MAC filter config Vijay Srivastava
2021-08-30 13:47 ` Maxime Coquelin
2021-09-03 13:20 ` Vijay Kumar Srivastava
2021-07-06 16:44 ` [dpdk-dev] [PATCH 09/10] vdpa/sfc: add support to set vring state Vijay Srivastava
2021-08-30 13:58 ` Maxime Coquelin
2021-07-06 16:44 ` [dpdk-dev] [PATCH 10/10] vdpa/sfc: set a multicast filter during vDPA init Vijay Srivastava
2021-07-07 8:30 ` [dpdk-dev] [PATCH 00/10] vdpa/sfc: introduce Xilinx vDPA driver Xia, Chenbo
2021-07-07 11:09 ` Andrew Rybchenko
2021-10-27 13:18 ` Maxime Coquelin
2021-10-27 15:04 ` Andrew Rybchenko
2021-10-27 19:56 ` Maxime Coquelin
2021-10-28 18:01 ` Vijay Kumar Srivastava
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 " Vijay Srivastava
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 01/10] " Vijay Srivastava
2021-10-28 8:21 ` Xia, Chenbo
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 02/10] vdpa/sfc: add support for device initialization Vijay Srivastava
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 03/10] vdpa/sfc: add support to get device and protocol features Vijay Srivastava
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 04/10] vdpa/sfc: get device supported max queue count Vijay Srivastava
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 05/10] vdpa/sfc: add support to get VFIO device fd Vijay Srivastava
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 06/10] vdpa/sfc: add support for dev conf and dev close ops Vijay Srivastava
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 07/10] vdpa/sfc: add support to get queue notify area info Vijay Srivastava
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 08/10] vdpa/sfc: add support for MAC filter config Vijay Srivastava
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 09/10] vdpa/sfc: add support to set vring state Vijay Srivastava
2021-10-28 7:54 ` [dpdk-dev] [PATCH v2 10/10] vdpa/sfc: set a multicast filter during vDPA init Vijay Srivastava
2021-10-28 8:08 ` [dpdk-dev] [PATCH v2 00/10] vdpa/sfc: introduce Xilinx vDPA driver Xia, Chenbo
2021-10-28 8:11 ` Maxime Coquelin
2021-10-28 14:35 ` Maxime Coquelin
2021-10-28 18:03 ` Vijay Kumar Srivastava
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 " Vijay Srivastava
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 01/10] " Vijay Srivastava
2021-10-29 20:07 ` Mattias Rönnblom
2021-11-01 8:13 ` Vijay Kumar Srivastava
2021-11-01 8:30 ` Xia, Chenbo
2021-11-01 8:59 ` Andrew Rybchenko
2021-11-01 9:10 ` Xia, Chenbo
2021-11-01 9:53 ` Vijay Kumar Srivastava
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 02/10] vdpa/sfc: add support for device initialization Vijay Srivastava
2021-10-29 20:21 ` Mattias Rönnblom
2021-11-01 8:09 ` Andrew Rybchenko
2021-11-01 11:48 ` Xia, Chenbo
2021-11-02 4:38 ` Vijay Kumar Srivastava
2021-11-02 5:16 ` Xia, Chenbo
2021-11-02 9:50 ` Vijay Kumar Srivastava
2021-11-02 7:42 ` Vijay Kumar Srivastava
2021-11-02 7:50 ` Xia, Chenbo
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 03/10] vdpa/sfc: add support to get device and protocol features Vijay Srivastava
2021-11-02 7:09 ` Xia, Chenbo
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 04/10] vdpa/sfc: get device supported max queue count Vijay Srivastava
2021-11-02 7:10 ` Xia, Chenbo
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 05/10] vdpa/sfc: add support to get VFIO device fd Vijay Srivastava
2021-11-02 7:10 ` Xia, Chenbo
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 06/10] vdpa/sfc: add support for dev conf and dev close ops Vijay Srivastava
2021-11-02 7:10 ` Xia, Chenbo
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 07/10] vdpa/sfc: add support to get queue notify area info Vijay Srivastava
2021-11-02 7:35 ` Xia, Chenbo
2021-11-02 9:47 ` Vijay Kumar Srivastava
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 08/10] vdpa/sfc: add support for MAC filter config Vijay Srivastava
2021-11-02 8:18 ` Xia, Chenbo
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 09/10] vdpa/sfc: add support to set vring state Vijay Srivastava
2021-11-02 8:18 ` Xia, Chenbo
2021-10-29 14:46 ` [dpdk-dev] [PATCH v3 10/10] vdpa/sfc: set a multicast filter during vDPA init Vijay Srivastava
2021-11-02 8:18 ` Xia, Chenbo
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 00/10] vdpa/sfc: introduce Xilinx vDPA driver Vijay Srivastava
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 01/10] " Vijay Srivastava
2021-11-04 9:28 ` Maxime Coquelin
2021-11-05 9:01 ` Ferruh Yigit
2021-11-05 9:03 ` Maxime Coquelin
2021-11-05 9:09 ` Ferruh Yigit
2021-11-05 9:13 ` Ferruh Yigit
2021-11-05 9:28 ` Andrew Rybchenko
2021-11-05 9:40 ` Ferruh Yigit
2021-11-08 9:34 ` Hemant Agrawal
2021-11-05 9:42 ` Ferruh Yigit
2021-11-05 10:07 ` Ferruh Yigit
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 02/10] vdpa/sfc: add support for device initialization Vijay Srivastava
2021-11-04 9:54 ` Maxime Coquelin
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 03/10] vdpa/sfc: add support to get device and protocol features Vijay Srivastava
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 04/10] vdpa/sfc: get device supported max queue count Vijay Srivastava
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 05/10] vdpa/sfc: add support to get VFIO device fd Vijay Srivastava
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 06/10] vdpa/sfc: add support for dev conf and dev close ops Vijay Srivastava
2021-11-04 10:15 ` Maxime Coquelin
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 07/10] vdpa/sfc: add support to get queue notify area info Vijay Srivastava
2021-11-04 10:50 ` Maxime Coquelin
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 08/10] vdpa/sfc: add support for MAC filter config Vijay Srivastava
2021-11-04 10:58 ` Maxime Coquelin
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 09/10] vdpa/sfc: add support to set vring state Vijay Srivastava
2021-11-03 13:57 ` [dpdk-dev] [PATCH v4 10/10] vdpa/sfc: set a multicast filter during vDPA init Vijay Srivastava
2021-11-04 11:12 ` Maxime Coquelin
2021-11-04 13:07 ` [dpdk-dev] [PATCH v4 00/10] vdpa/sfc: introduce Xilinx vDPA driver Maxime Coquelin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=13ae51b1-84c8-3e0e-dc28-8b0ebc098b03@redhat.com \
--to=maxime.coquelin@redhat.com \
--cc=andrew.rybchenko@oktetlabs.ru \
--cc=chenbo.xia@intel.com \
--cc=dev@dpdk.org \
--cc=vijay.srivastava@xilinx.com \
--cc=vsrivast@xilinx.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).