Message ID | 20211029144645.30295-6-vsrivast@xilinx.com (mailing list archive) |
---|---|
State | Superseded, archived |
Delegated to: | Maxime Coquelin |
Headers |
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Series |
vdpa/sfc: introduce Xilinx vDPA driver
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Checks
Context | Check | Description |
---|---|---|
ci/checkpatch | success | coding style OK |
Commit Message
Vijay Srivastava
Oct. 29, 2021, 2:46 p.m. UTC
From: Vijay Kumar Srivastava <vsrivast@xilinx.com> Implement vDPA ops get_vfio_device_fd to get the VFIO device fd. Signed-off-by: Vijay Kumar Srivastava <vsrivast@xilinx.com> Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com> --- drivers/vdpa/sfc/sfc_vdpa_ops.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
Comments
> -----Original Message----- > From: Vijay Srivastava <vijay.srivastava@xilinx.com> > Sent: Friday, October 29, 2021 10:47 PM > To: dev@dpdk.org > Cc: maxime.coquelin@redhat.com; Xia, Chenbo <chenbo.xia@intel.com>; > andrew.rybchenko@oktetlabs.ru; Vijay Kumar Srivastava <vsrivast@xilinx.com> > Subject: [PATCH v3 05/10] vdpa/sfc: add support to get VFIO device fd > > From: Vijay Kumar Srivastava <vsrivast@xilinx.com> > > Implement vDPA ops get_vfio_device_fd to get the VFIO device fd. > > Signed-off-by: Vijay Kumar Srivastava <vsrivast@xilinx.com> > Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru> > Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com> > --- > drivers/vdpa/sfc/sfc_vdpa_ops.c | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/drivers/vdpa/sfc/sfc_vdpa_ops.c b/drivers/vdpa/sfc/sfc_vdpa_ops.c > index 6c702e1..5253adb 100644 > --- a/drivers/vdpa/sfc/sfc_vdpa_ops.c > +++ b/drivers/vdpa/sfc/sfc_vdpa_ops.c > @@ -145,6 +145,29 @@ > return -1; > } > > +static int > +sfc_vdpa_get_vfio_device_fd(int vid) > +{ > + struct rte_vdpa_device *vdpa_dev; > + struct sfc_vdpa_ops_data *ops_data; > + int vfio_dev_fd; > + 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; > + > + sfc_vdpa_info(dev, "vDPA ops get_vfio_device_fd :: vfio fd : %d", > + vfio_dev_fd); > + > + return vfio_dev_fd; > +} > + > static struct rte_vdpa_dev_ops sfc_vdpa_ops = { > .get_queue_num = sfc_vdpa_get_queue_num, > .get_features = sfc_vdpa_get_features, > @@ -153,6 +176,7 @@ > .dev_close = sfc_vdpa_dev_close, > .set_vring_state = sfc_vdpa_set_vring_state, > .set_features = sfc_vdpa_set_features, > + .get_vfio_device_fd = sfc_vdpa_get_vfio_device_fd, > }; > > struct sfc_vdpa_ops_data * > -- > 1.8.3.1 Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
diff --git a/drivers/vdpa/sfc/sfc_vdpa_ops.c b/drivers/vdpa/sfc/sfc_vdpa_ops.c index 6c702e1..5253adb 100644 --- a/drivers/vdpa/sfc/sfc_vdpa_ops.c +++ b/drivers/vdpa/sfc/sfc_vdpa_ops.c @@ -145,6 +145,29 @@ return -1; } +static int +sfc_vdpa_get_vfio_device_fd(int vid) +{ + struct rte_vdpa_device *vdpa_dev; + struct sfc_vdpa_ops_data *ops_data; + int vfio_dev_fd; + 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; + + sfc_vdpa_info(dev, "vDPA ops get_vfio_device_fd :: vfio fd : %d", + vfio_dev_fd); + + return vfio_dev_fd; +} + static struct rte_vdpa_dev_ops sfc_vdpa_ops = { .get_queue_num = sfc_vdpa_get_queue_num, .get_features = sfc_vdpa_get_features, @@ -153,6 +176,7 @@ .dev_close = sfc_vdpa_dev_close, .set_vring_state = sfc_vdpa_set_vring_state, .set_features = sfc_vdpa_set_features, + .get_vfio_device_fd = sfc_vdpa_get_vfio_device_fd, }; struct sfc_vdpa_ops_data *