diff options
| author | Yuval Mintz <Yuval.Mintz@qlogic.com> | 2016-05-11 16:36:14 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-05-12 07:04:07 +0300 |
| commit | 1408cc1fa48c5450c0dc4b40cbd9718ecb09d1c9 (patch) | |
| tree | 2132f8f209c0ad8f818b6ab6795d9ae5f677e6b0 /drivers/net/ethernet/qlogic/qede | |
| parent | 37bff2b9c6addf6216c8d04e95be596678e8deff (diff) | |
| download | linux-1408cc1fa48c5450c0dc4b40cbd9718ecb09d1c9.tar.xz | |
qed: Introduce VFs
This adds the qed VFs for the first time -
The vfs are limited functions, with a very different PCI bar structure
[when compared with PFs] to better impose the related security demands
associated with them.
This patch includes the logic neccesary to allow VFs to successfully probe
[without actually adding the ability to enable iov].
This includes diverging all the flows that would occur as part of the pci
probe of the driver, preventing VF from accessing registers/memories it
can't and instead utilize the VF->PF channel to query the PF for needed
information.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qede')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede_main.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 075faa52eb48..2d5f2735dc0a 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -2283,8 +2283,9 @@ enum qede_probe_mode { }; static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, - enum qede_probe_mode mode) + bool is_vf, enum qede_probe_mode mode) { + struct qed_probe_params probe_params; struct qed_slowpath_params params; struct qed_dev_eth_info dev_info; struct qede_dev *edev; @@ -2294,8 +2295,12 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, if (unlikely(dp_level & QED_LEVEL_INFO)) pr_notice("Starting qede probe\n"); - cdev = qed_ops->common->probe(pdev, QED_PROTOCOL_ETH, - dp_module, dp_level); + memset(&probe_params, 0, sizeof(probe_params)); + probe_params.protocol = QED_PROTOCOL_ETH; + probe_params.dp_module = dp_module; + probe_params.dp_level = dp_level; + probe_params.is_vf = is_vf; + cdev = qed_ops->common->probe(pdev, &probe_params); if (!cdev) { rc = -ENODEV; goto err0; @@ -2365,7 +2370,7 @@ static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id) qede_config_debug(debug, &dp_module, &dp_level); - return __qede_probe(pdev, dp_module, dp_level, + return __qede_probe(pdev, dp_module, dp_level, false, QEDE_PROBE_NORMAL); } |