diff options
| author | Brett Creeley <brett.creeley@amd.com> | 2023-08-07 23:57:51 +0300 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2023-08-16 19:53:20 +0300 |
| commit | 63f77a7161a2df9924eea9be3b6c63be10151252 (patch) | |
| tree | 399103fd5310a959d3121564f2cacb93d984c8fc /drivers/vfio/pci/pds/pci_drv.c | |
| parent | b021d05e106e14b603a584b38ce62720e7d0f363 (diff) | |
| download | linux-63f77a7161a2df9924eea9be3b6c63be10151252.tar.xz | |
vfio/pds: register with the pds_core PF
The pds_core driver will supply adminq services, so find the PF
and register with the DSC services.
Use the following commands to enable a VF:
echo 1 > /sys/bus/pci/drivers/pds_core/$PF_BDF/sriov_numvfs
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230807205755.29579-5-brett.creeley@amd.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio/pci/pds/pci_drv.c')
| -rw-r--r-- | drivers/vfio/pci/pds/pci_drv.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/vfio/pci/pds/pci_drv.c b/drivers/vfio/pci/pds/pci_drv.c index 4670ddda603a..d9d2725e2faa 100644 --- a/drivers/vfio/pci/pds/pci_drv.c +++ b/drivers/vfio/pci/pds/pci_drv.c @@ -8,9 +8,13 @@ #include <linux/types.h> #include <linux/vfio.h> +#include <linux/pds/pds_common.h> #include <linux/pds/pds_core_if.h> +#include <linux/pds/pds_adminq.h> #include "vfio_dev.h" +#include "pci_drv.h" +#include "cmds.h" #define PDS_VFIO_DRV_DESCRIPTION "AMD/Pensando VFIO Device Driver" #define PCI_VENDOR_ID_PENSANDO 0x1dd8 @@ -32,8 +36,17 @@ static int pds_vfio_pci_probe(struct pci_dev *pdev, if (err) goto out_put_vdev; + err = pds_vfio_register_client_cmd(pds_vfio); + if (err) { + dev_err(&pdev->dev, "failed to register as client: %pe\n", + ERR_PTR(err)); + goto out_unregister_coredev; + } + return 0; +out_unregister_coredev: + vfio_pci_core_unregister_device(&pds_vfio->vfio_coredev); out_put_vdev: vfio_put_device(&pds_vfio->vfio_coredev.vdev); return err; @@ -43,6 +56,7 @@ static void pds_vfio_pci_remove(struct pci_dev *pdev) { struct pds_vfio_pci_device *pds_vfio = pds_vfio_pci_drvdata(pdev); + pds_vfio_unregister_client_cmd(pds_vfio); vfio_pci_core_unregister_device(&pds_vfio->vfio_coredev); vfio_put_device(&pds_vfio->vfio_coredev.vdev); } |