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cxgb4/cxgb4vf: read the correct bits of PL Who Am I register

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Read the correct bits of PL Who Am I for the Source PF field which has
changed in T6

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai 2015-08-04 14:36:19 +05:30 committed by David S. Miller
parent bf8ebb67da
commit d86bd29e0b
4 changed files with 45 additions and 4 deletions
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34
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View File

@ -4551,6 +4551,32 @@ static void free_some_resources(struct adapter *adapter)
NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA)
#define SEGMENT_SIZE 128
static int get_chip_type(struct pci_dev *pdev, u32 pl_rev)
{
int ver, chip;
u16 device_id;
/* Retrieve adapter's device ID */
pci_read_config_word(pdev, PCI_DEVICE_ID, &device_id);
ver = device_id >> 12;
switch (ver) {
case CHELSIO_T4:
chip |= CHELSIO_CHIP_CODE(CHELSIO_T4, pl_rev);
break;
case CHELSIO_T5:
chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, pl_rev);
break;
case CHELSIO_T6:
chip |= CHELSIO_CHIP_CODE(CHELSIO_T6, pl_rev);
break;
default:
dev_err(&pdev->dev, "Device %d is not supported\n",
device_id);
return -EINVAL;
}
return chip;
}
static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int func, i, err, s_qpp, qpp, num_seg;
@ -4558,6 +4584,8 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
bool highdma = false;
struct adapter *adapter = NULL;
void __iomem *regs;
u32 whoami, pl_rev;
enum chip_type chip;
printk_once(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION);
@ -4586,7 +4614,11 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
goto out_unmap_bar0;
/* We control everything through one PF */
func = SOURCEPF_G(readl(regs + PL_WHOAMI_A));
whoami = readl(regs + PL_WHOAMI_A);
pl_rev = REV_G(readl(regs + PL_REV_A));
chip = get_chip_type(pdev, pl_rev);
func = CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5 ?
SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami);
if (func != ent->driver_data) {
iounmap(regs);
pci_disable_device(pdev);

8
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
View File

@ -3529,7 +3529,9 @@ int t4_slow_intr_handler(struct adapter *adapter)
void t4_intr_enable(struct adapter *adapter)
{
u32 val = 0;
u32 pf = SOURCEPF_G(t4_read_reg(adapter, PL_WHOAMI_A));
u32 whoami = t4_read_reg(adapter, PL_WHOAMI_A);
u32 pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ?
SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami);
if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
val = ERR_DROPPED_DB_F | ERR_EGR_CTXT_PRIO_F | DBFIFO_HP_INT_F;
@ -3554,7 +3556,9 @@ void t4_intr_enable(struct adapter *adapter)
*/
void t4_intr_disable(struct adapter *adapter)
{
u32 pf = SOURCEPF_G(t4_read_reg(adapter, PL_WHOAMI_A));
u32 whoami = t4_read_reg(adapter, PL_WHOAMI_A);
u32 pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ?
SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami);
t4_write_reg(adapter, MYPF_REG(PL_PF_INT_ENABLE_A), 0);
t4_set_reg_field(adapter, PL_INT_MAP0_A, 1 << pf, 0);

4
drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
View File

@ -2588,6 +2588,10 @@
#define SOURCEPF_M 0x7U
#define SOURCEPF_G(x) (((x) >> SOURCEPF_S) & SOURCEPF_M)
#define T6_SOURCEPF_S 9
#define T6_SOURCEPF_M 0x7U
#define T6_SOURCEPF_G(x) (((x) >> T6_SOURCEPF_S) & T6_SOURCEPF_M)
#define PL_INT_CAUSE_A 0x1940c
#define ULP_TX_S 27

3
drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
View File

@ -619,7 +619,8 @@ int t4vf_get_sge_params(struct adapter *adapter)
*/
whoami = t4_read_reg(adapter,
T4VF_PL_BASE_ADDR + PL_VF_WHOAMI_A);
pf = SOURCEPF_G(whoami);
pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ?
SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami);
s_hps = (HOSTPAGESIZEPF0_S +
(HOSTPAGESIZEPF1_S - HOSTPAGESIZEPF0_S) * pf);