diff options
| -rw-r--r-- | drivers/net/cxgb3/common.h | 1 | ||||
| -rw-r--r-- | drivers/net/cxgb3/cxgb3_main.c | 10 | ||||
| -rw-r--r-- | drivers/net/cxgb3/regs.h | 8 | ||||
| -rw-r--r-- | drivers/net/cxgb3/sge.c | 29 | ||||
| -rw-r--r-- | drivers/net/cxgb3/t3_hw.c | 28 |
5 files changed, 70 insertions, 6 deletions
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h index 91ee7277b81..579bee42a5c 100644 --- a/drivers/net/cxgb3/common.h +++ b/drivers/net/cxgb3/common.h @@ -698,6 +698,7 @@ void mac_prep(struct cmac *mac, struct adapter *adapter, int index); void early_hw_init(struct adapter *adapter, const struct adapter_info *ai); int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai, int reset); +int t3_replay_prep_adapter(struct adapter *adapter); void t3_led_ready(struct adapter *adapter); void t3_fatal_err(struct adapter *adapter); void t3_set_vlan_accel(struct adapter *adapter, unsigned int ports, int on); diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index d67fc10a6b3..3a312721679 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -2430,9 +2430,6 @@ static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) offload_close(&adapter->tdev); - /* Free sge resources */ - t3_free_sge_resources(adapter); - adapter->flags &= ~FULL_INIT_DONE; pci_disable_device(pdev); @@ -2457,8 +2454,12 @@ static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev) goto err; } pci_set_master(pdev); + pci_restore_state(pdev); + + /* Free sge resources */ + t3_free_sge_resources(adapter); - if (t3_prep_adapter(adapter, adapter->params.info, 1)) + if (t3_replay_prep_adapter(adapter)) goto err; return PCI_ERS_RESULT_RECOVERED; @@ -2610,6 +2611,7 @@ static int __devinit init_one(struct pci_dev *pdev, } pci_set_master(pdev); + pci_save_state(pdev); mmio_start = pci_resource_start(pdev, 0); mmio_len = pci_resource_len(pdev, 0); diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h index 02dbbb30092..56717887934 100644 --- a/drivers/net/cxgb3/regs.h +++ b/drivers/net/cxgb3/regs.h @@ -444,6 +444,14 @@ #define A_PCIE_CFG 0x88 +#define S_ENABLELINKDWNDRST 21 +#define V_ENABLELINKDWNDRST(x) ((x) << S_ENABLELINKDWNDRST) +#define F_ENABLELINKDWNDRST V_ENABLELINKDWNDRST(1U) + +#define S_ENABLELINKDOWNRST 20 +#define V_ENABLELINKDOWNRST(x) ((x) << S_ENABLELINKDOWNRST) +#define F_ENABLELINKDOWNRST V_ENABLELINKDOWNRST(1U) + #define S_PCIE_CLIDECEN 16 #define V_PCIE_CLIDECEN(x) ((x) << S_PCIE_CLIDECEN) #define F_PCIE_CLIDECEN V_PCIE_CLIDECEN(1U) diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 98a6bbd11d4..796eb305cdc 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -539,6 +539,31 @@ static void *alloc_ring(struct pci_dev *pdev, size_t nelem, size_t elem_size, } /** + * t3_reset_qset - reset a sge qset + * @q: the queue set + * + * Reset the qset structure. + * the NAPI structure is preserved in the event of + * the qset's reincarnation, for example during EEH recovery. + */ +static void t3_reset_qset(struct sge_qset *q) +{ + if (q->adap && + !(q->adap->flags & NAPI_INIT)) { + memset(q, 0, sizeof(*q)); + return; + } + + q->adap = NULL; + memset(&q->rspq, 0, sizeof(q->rspq)); + memset(q->fl, 0, sizeof(struct sge_fl) * SGE_RXQ_PER_SET); + memset(q->txq, 0, sizeof(struct sge_txq) * SGE_TXQ_PER_SET); + q->txq_stopped = 0; + memset(&q->tx_reclaim_timer, 0, sizeof(q->tx_reclaim_timer)); +} + + +/** * free_qset - free the resources of an SGE queue set * @adapter: the adapter owning the queue set * @q: the queue set @@ -594,7 +619,7 @@ static void t3_free_qset(struct adapter *adapter, struct sge_qset *q) q->rspq.desc, q->rspq.phys_addr); } - memset(q, 0, sizeof(*q)); + t3_reset_qset(q); } /** @@ -1365,7 +1390,7 @@ static void restart_ctrlq(unsigned long data) */ int t3_mgmt_tx(struct adapter *adap, struct sk_buff *skb) { - int ret; + int ret; local_bh_disable(); ret = ctrl_xmit(adap, &adap->sge.qs[0].txq[TXQ_CTRL], skb); local_bh_enable(); diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index a99496a431c..d405a932c73 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -3264,6 +3264,7 @@ static void config_pcie(struct adapter *adap) t3_write_reg(adap, A_PCIE_PEX_ERR, 0xffffffff); t3_set_reg_field(adap, A_PCIE_CFG, 0, + F_ENABLELINKDWNDRST | F_ENABLELINKDOWNRST | F_PCIE_DMASTOPEN | F_PCIE_CLIDECEN); } @@ -3655,3 +3656,30 @@ void t3_led_ready(struct adapter *adapter) t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, F_GPIO0_OUT_VAL); } + +int t3_replay_prep_adapter(struct adapter *adapter) +{ + const struct adapter_info *ai = adapter->params.info; + unsigned int i, j = 0; + int ret; + + early_hw_init(adapter, ai); + ret = init_parity(adapter); + if (ret) + return ret; + + for_each_port(adapter, i) { + struct port_info *p = adap2pinfo(adapter, i); + while (!adapter->params.vpd.port_type[j]) + ++j; + + p->port_type->phy_prep(&p->phy, adapter, ai->phy_base_addr + j, + ai->mdio_ops); + + p->phy.ops->power_down(&p->phy, 1); + ++j; + } + +return 0; +} + |