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authorShradha Shah <sshah@solarflare.com>2015-05-06 00:58:14 +0100
committerDavid S. Miller <davem@davemloft.net>2015-05-09 16:16:47 -0400
commit02246a7f966c2e66ff0453d12d9b8d1bff895cf9 (patch)
tree81e42c59db4509aae03f30f76b4d195d238029f2 /drivers/net/ethernet/sfc/efx.c
parent1cd9ecbbe6e9261578510962ad899415053acc1d (diff)
sfc: Prepare to bind the sfc driver to the VF.
Added efx_nic_type structure for VF. Mapped a different BAR for VF as it uses BAR 0 for memory. Added functions sriov_init and sriov_fini. Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
-rw-r--r--drivers/net/ethernet/sfc/efx.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index f1dd34c1b464..8b2edda65d73 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -1201,10 +1201,12 @@ static int efx_init_io(struct efx_nic *efx)
struct pci_dev *pci_dev = efx->pci_dev;
dma_addr_t dma_mask = efx->type->max_dma_mask;
unsigned int mem_map_size = efx->type->mem_map_size(efx);
- int rc;
+ int rc, bar;
netif_dbg(efx, probe, efx->net_dev, "initialising I/O\n");
+ bar = efx->type->mem_bar;
+
rc = pci_enable_device(pci_dev);
if (rc) {
netif_err(efx, probe, efx->net_dev,
@@ -1235,8 +1237,8 @@ static int efx_init_io(struct efx_nic *efx)
netif_dbg(efx, probe, efx->net_dev,
"using DMA mask %llx\n", (unsigned long long) dma_mask);
- efx->membase_phys = pci_resource_start(efx->pci_dev, EFX_MEM_BAR);
- rc = pci_request_region(pci_dev, EFX_MEM_BAR, "sfc");
+ efx->membase_phys = pci_resource_start(efx->pci_dev, bar);
+ rc = pci_request_region(pci_dev, bar, "sfc");
if (rc) {
netif_err(efx, probe, efx->net_dev,
"request for memory BAR failed\n");
@@ -1259,7 +1261,7 @@ static int efx_init_io(struct efx_nic *efx)
return 0;
fail4:
- pci_release_region(efx->pci_dev, EFX_MEM_BAR);
+ pci_release_region(efx->pci_dev, bar);
fail3:
efx->membase_phys = 0;
fail2:
@@ -1270,6 +1272,8 @@ static int efx_init_io(struct efx_nic *efx)
static void efx_fini_io(struct efx_nic *efx)
{
+ int bar;
+
netif_dbg(efx, drv, efx->net_dev, "shutting down I/O\n");
if (efx->membase) {
@@ -1278,7 +1282,8 @@ static void efx_fini_io(struct efx_nic *efx)
}
if (efx->membase_phys) {
- pci_release_region(efx->pci_dev, EFX_MEM_BAR);
+ bar = efx->type->mem_bar;
+ pci_release_region(efx->pci_dev, bar);
efx->membase_phys = 0;
}