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path: root/drivers/net/ethernet/sfc/ef100_sriov.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/ef100_sriov.c')
-rw-r--r--drivers/net/ethernet/sfc/ef100_sriov.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/net/ethernet/sfc/ef100_sriov.c b/drivers/net/ethernet/sfc/ef100_sriov.c
index 664578176bfe..94bdbfcb47e8 100644
--- a/drivers/net/ethernet/sfc/ef100_sriov.c
+++ b/drivers/net/ethernet/sfc/ef100_sriov.c
@@ -11,46 +11,62 @@
#include "ef100_sriov.h"
#include "ef100_nic.h"
+#include "ef100_rep.h"
static int efx_ef100_pci_sriov_enable(struct efx_nic *efx, int num_vfs)
{
+ struct ef100_nic_data *nic_data = efx->nic_data;
struct pci_dev *dev = efx->pci_dev;
- int rc;
+ struct efx_rep *efv, *next;
+ int rc, i;
efx->vf_count = num_vfs;
rc = pci_enable_sriov(dev, num_vfs);
if (rc)
- goto fail;
+ goto fail1;
+ if (!nic_data->grp_mae)
+ return 0;
+
+ for (i = 0; i < num_vfs; i++) {
+ rc = efx_ef100_vfrep_create(efx, i);
+ if (rc)
+ goto fail2;
+ }
return 0;
-fail:
+fail2:
+ list_for_each_entry_safe(efv, next, &efx->vf_reps, list)
+ efx_ef100_vfrep_destroy(efx, efv);
+ pci_disable_sriov(dev);
+fail1:
netif_err(efx, probe, efx->net_dev, "Failed to enable SRIOV VFs\n");
efx->vf_count = 0;
return rc;
}
-int efx_ef100_pci_sriov_disable(struct efx_nic *efx)
+int efx_ef100_pci_sriov_disable(struct efx_nic *efx, bool force)
{
struct pci_dev *dev = efx->pci_dev;
unsigned int vfs_assigned;
vfs_assigned = pci_vfs_assigned(dev);
- if (vfs_assigned) {
+ if (vfs_assigned && !force) {
netif_info(efx, drv, efx->net_dev, "VFs are assigned to guests; "
"please detach them before disabling SR-IOV\n");
return -EBUSY;
}
- pci_disable_sriov(dev);
-
+ efx_ef100_fini_vfreps(efx);
+ if (!vfs_assigned)
+ pci_disable_sriov(dev);
return 0;
}
int efx_ef100_sriov_configure(struct efx_nic *efx, int num_vfs)
{
if (num_vfs == 0)
- return efx_ef100_pci_sriov_disable(efx);
+ return efx_ef100_pci_sriov_disable(efx, false);
else
return efx_ef100_pci_sriov_enable(efx, num_vfs);
}