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authorMustafa Ismail <mustafa.ismail@intel.com>2022-02-25 19:32:10 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-04-08 15:23:36 +0300
commita0051c05312e205bb29d1519d641739e7638cde6 (patch)
tree607fb739798ecc6e28123023bf7fe2a3f3b2d83f /drivers/infiniband
parent5e96bb45c9363c5329399e7c369aba21494e7591 (diff)
downloadlinux-a0051c05312e205bb29d1519d641739e7638cde6.tar.xz
RDMA/irdma: Fix Passthrough mode in VM
[ Upstream commit b200189626b5cefbaf8be9cadd7a28215e065bb9 ] Using PCI_FUNC macro in a VM, when the device is in passthrough mode does not provide the real function instance. This means that currently, devices will not probe unless the instance in the VM matches the instance in the host. Fix this by getting the pf_id from the LAN during the probe. Fixes: 8498a30e1b94 ("RDMA/irdma: Register auxiliary driver and implement private channel OPs") Link: https://lore.kernel.org/r/20220225163211.127-3-shiraz.saleem@intel.com Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/irdma/hw.c2
-rw-r--r--drivers/infiniband/hw/irdma/i40iw_if.c1
-rw-r--r--drivers/infiniband/hw/irdma/main.c1
-rw-r--r--drivers/infiniband/hw/irdma/main.h1
4 files changed, 4 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c
index aa119441eb45..4f763e552eae 100644
--- a/drivers/infiniband/hw/irdma/hw.c
+++ b/drivers/infiniband/hw/irdma/hw.c
@@ -1608,7 +1608,7 @@ static enum irdma_status_code irdma_initialize_dev(struct irdma_pci_f *rf)
info.fpm_commit_buf = mem.va;
info.bar0 = rf->hw.hw_addr;
- info.hmc_fn_id = PCI_FUNC(rf->pcidev->devfn);
+ info.hmc_fn_id = rf->pf_id;
info.hw = &rf->hw;
status = irdma_sc_dev_init(rf->rdma_ver, &rf->sc_dev, &info);
if (status)
diff --git a/drivers/infiniband/hw/irdma/i40iw_if.c b/drivers/infiniband/hw/irdma/i40iw_if.c
index d219f64b2c3d..a6f758b61b0c 100644
--- a/drivers/infiniband/hw/irdma/i40iw_if.c
+++ b/drivers/infiniband/hw/irdma/i40iw_if.c
@@ -77,6 +77,7 @@ static void i40iw_fill_device_info(struct irdma_device *iwdev, struct i40e_info
rf->rdma_ver = IRDMA_GEN_1;
rf->gen_ops.request_reset = i40iw_request_reset;
rf->pcidev = cdev_info->pcidev;
+ rf->pf_id = cdev_info->fid;
rf->hw.hw_addr = cdev_info->hw_addr;
rf->cdev = cdev_info;
rf->msix_count = cdev_info->msix_count;
diff --git a/drivers/infiniband/hw/irdma/main.c b/drivers/infiniband/hw/irdma/main.c
index 51a41359e0b4..c556a36e7670 100644
--- a/drivers/infiniband/hw/irdma/main.c
+++ b/drivers/infiniband/hw/irdma/main.c
@@ -226,6 +226,7 @@ static void irdma_fill_device_info(struct irdma_device *iwdev, struct ice_pf *pf
rf->hw.hw_addr = pf->hw.hw_addr;
rf->pcidev = pf->pdev;
rf->msix_count = pf->num_rdma_msix;
+ rf->pf_id = pf->hw.pf_id;
rf->msix_entries = &pf->msix_entries[pf->rdma_base_vector];
rf->default_vsi.vsi_idx = vsi->vsi_num;
rf->protocol_used = IRDMA_ROCE_PROTOCOL_ONLY;
diff --git a/drivers/infiniband/hw/irdma/main.h b/drivers/infiniband/hw/irdma/main.h
index 8b215f3cee89..454b4b370386 100644
--- a/drivers/infiniband/hw/irdma/main.h
+++ b/drivers/infiniband/hw/irdma/main.h
@@ -257,6 +257,7 @@ struct irdma_pci_f {
u8 *mem_rsrc;
u8 rdma_ver;
u8 rst_to;
+ u8 pf_id;
enum irdma_protocol_used protocol_used;
u32 sd_type;
u32 msix_count;