diff options
author | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
tree | 00b793965beeef10db03e0ff021d2d965c410759 /drivers/infiniband/hw/nes/nes_hw.c | |
parent | 4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff) | |
parent | ead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff) | |
download | op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.zip op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.c
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_hw.c')
-rw-r--r-- | drivers/infiniband/hw/nes/nes_hw.c | 205 |
1 files changed, 169 insertions, 36 deletions
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 1513d40..7c49cc8 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -55,18 +55,19 @@ u32 int_mod_cq_depth_24; u32 int_mod_cq_depth_16; u32 int_mod_cq_depth_4; u32 int_mod_cq_depth_1; - +static const u8 nes_max_critical_error_count = 100; #include "nes_cm.h" static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq); static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_count); static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count, - u8 OneG_Mode); + struct nes_adapter *nesadapter, u8 OneG_Mode); static void nes_nic_napi_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq); static void nes_process_aeq(struct nes_device *nesdev, struct nes_hw_aeq *aeq); static void nes_process_ceq(struct nes_device *nesdev, struct nes_hw_ceq *ceq); static void nes_process_iwarp_aeqe(struct nes_device *nesdev, struct nes_hw_aeqe *aeqe); +static void process_critical_error(struct nes_device *nesdev); static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number); static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode); @@ -222,11 +223,10 @@ static void nes_nic_tune_timer(struct nes_device *nesdev) } /* boundary checking */ - if (shared_timer->timer_in_use > NES_NIC_FAST_TIMER_HIGH) - shared_timer->timer_in_use = NES_NIC_FAST_TIMER_HIGH; - else if (shared_timer->timer_in_use < NES_NIC_FAST_TIMER_LOW) { - shared_timer->timer_in_use = NES_NIC_FAST_TIMER_LOW; - } + if (shared_timer->timer_in_use > shared_timer->threshold_high) + shared_timer->timer_in_use = shared_timer->threshold_high; + else if (shared_timer->timer_in_use < shared_timer->threshold_low) + shared_timer->timer_in_use = shared_timer->threshold_low; nesdev->currcq_count = 0; @@ -292,9 +292,6 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) { if ((port_count = nes_reset_adapter_ne020(nesdev, &OneG_Mode)) == 0) return NULL; - if (nes_init_serdes(nesdev, hw_rev, port_count, OneG_Mode)) - return NULL; - nes_init_csr_ne020(nesdev, hw_rev, port_count); max_qp = nes_read_indexed(nesdev, NES_IDX_QP_CTX_SIZE); nes_debug(NES_DBG_INIT, "QP_CTX_SIZE=%u\n", max_qp); @@ -353,6 +350,22 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) { nes_debug(NES_DBG_INIT, "Allocating new nesadapter @ %p, size = %u (actual size = %u).\n", nesadapter, (u32)sizeof(struct nes_adapter), adapter_size); + if (nes_read_eeprom_values(nesdev, nesadapter)) { + printk(KERN_ERR PFX "Unable to read EEPROM data.\n"); + kfree(nesadapter); + return NULL; + } + + if (nes_init_serdes(nesdev, hw_rev, port_count, nesadapter, + OneG_Mode)) { + kfree(nesadapter); + return NULL; + } + nes_init_csr_ne020(nesdev, hw_rev, port_count); + + memset(nesadapter->pft_mcast_map, 255, + sizeof nesadapter->pft_mcast_map); + /* populate the new nesadapter */ nesadapter->devfn = nesdev->pcidev->devfn; nesadapter->bus_number = nesdev->pcidev->bus->number; @@ -468,20 +481,25 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) { /* setup port configuration */ if (nesadapter->port_count == 1) { - u32temp = 0x00000000; + nesadapter->log_port = 0x00000000; if (nes_drv_opt & NES_DRV_OPT_DUAL_LOGICAL_PORT) nes_write_indexed(nesdev, NES_IDX_TX_POOL_SIZE, 0x00000002); else nes_write_indexed(nesdev, NES_IDX_TX_POOL_SIZE, 0x00000003); } else { - if (nesadapter->port_count == 2) - u32temp = 0x00000044; - else - u32temp = 0x000000e4; + if (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) { + nesadapter->log_port = 0x000000D8; + } else { + if (nesadapter->port_count == 2) + nesadapter->log_port = 0x00000044; + else + nesadapter->log_port = 0x000000e4; + } nes_write_indexed(nesdev, NES_IDX_TX_POOL_SIZE, 0x00000003); } - nes_write_indexed(nesdev, NES_IDX_NIC_LOGPORT_TO_PHYPORT, u32temp); + nes_write_indexed(nesdev, NES_IDX_NIC_LOGPORT_TO_PHYPORT, + nesadapter->log_port); nes_debug(NES_DBG_INIT, "Probe time, LOG2PHY=%u\n", nes_read_indexed(nesdev, NES_IDX_NIC_LOGPORT_TO_PHYPORT)); @@ -706,23 +724,43 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_ * nes_init_serdes */ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count, - u8 OneG_Mode) + struct nes_adapter *nesadapter, u8 OneG_Mode) { int i; u32 u32temp; + u32 serdes_common_control; if (hw_rev != NE020_REV) { /* init serdes 0 */ nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL0, 0x000000FF); - if (!OneG_Mode) + if (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) { + serdes_common_control = nes_read_indexed(nesdev, + NES_IDX_ETH_SERDES_COMMON_CONTROL0); + serdes_common_control |= 0x000000100; + nes_write_indexed(nesdev, + NES_IDX_ETH_SERDES_COMMON_CONTROL0, + serdes_common_control); + } else if (!OneG_Mode) { nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_HIGHZ_LANE_MODE0, 0x11110000); - if (port_count > 1) { + } + if (((port_count > 1) && + (nesadapter->phy_type[0] != NES_PHY_TYPE_PUMA_1G)) || + ((port_count > 2) && + (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G))) { /* init serdes 1 */ nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL1, 0x000000FF); - if (!OneG_Mode) + if (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) { + serdes_common_control = nes_read_indexed(nesdev, + NES_IDX_ETH_SERDES_COMMON_CONTROL1); + serdes_common_control |= 0x000000100; + nes_write_indexed(nesdev, + NES_IDX_ETH_SERDES_COMMON_CONTROL1, + serdes_common_control); + } else if (!OneG_Mode) { nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_HIGHZ_LANE_MODE1, 0x11110000); } + } } else { /* init serdes 0 */ nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0, 0x00000008); @@ -826,7 +864,8 @@ static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_cou nes_write_indexed(nesdev, 0x00005000, 0x00018000); /* nes_write_indexed(nesdev, 0x00005000, 0x00010000); */ - nes_write_indexed(nesdev, 0x00005004, 0x00020001); + nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1, (wqm_quanta << 1) | + 0x00000001); nes_write_indexed(nesdev, 0x00005008, 0x1F1F1F1F); nes_write_indexed(nesdev, 0x00005010, 0x1F1F1F1F); nes_write_indexed(nesdev, 0x00005018, 0x1F1F1F1F); @@ -1226,6 +1265,7 @@ int nes_init_phy(struct nes_device *nesdev) if (nesadapter->phy_type[mac_index] == NES_PHY_TYPE_1G) { printk(PFX "%s: Programming mdc config for 1G\n", __func__); tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG); + tx_config &= 0xFFFFFFE3; tx_config |= 0x04; nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config); } @@ -1291,7 +1331,8 @@ int nes_init_phy(struct nes_device *nesdev) (nesadapter->phy_type[mac_index] == NES_PHY_TYPE_ARGUS)) { /* setup 10G MDIO operation */ tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG); - tx_config |= 0x14; + tx_config &= 0xFFFFFFE3; + tx_config |= 0x15; nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config); } if ((nesadapter->phy_type[mac_index] == NES_PHY_TYPE_ARGUS)) { @@ -1315,7 +1356,7 @@ int nes_init_phy(struct nes_device *nesdev) nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x1, 0xc319, 0x0008); nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x1, 0xc31a, 0x0098); nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x3, 0x0026, 0x0E00); - nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x3, 0x0027, 0x0000); + nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x3, 0x0027, 0x0001); nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x3, 0x0028, 0xA528); /* @@ -1759,9 +1800,14 @@ int nes_init_nic_qp(struct nes_device *nesdev, struct net_device *netdev) */ void nes_destroy_nic_qp(struct nes_vnic *nesvnic) { + u64 u64temp; + dma_addr_t bus_address; struct nes_device *nesdev = nesvnic->nesdev; struct nes_hw_cqp_wqe *cqp_wqe; + struct nes_hw_nic_sq_wqe *nic_sqe; struct nes_hw_nic_rq_wqe *nic_rqe; + __le16 *wqe_fragment_length; + u16 wqe_fragment_index; u64 wqe_frag; u32 cqp_head; unsigned long flags; @@ -1770,14 +1816,69 @@ void nes_destroy_nic_qp(struct nes_vnic *nesvnic) /* Free remaining NIC receive buffers */ while (nesvnic->nic.rq_head != nesvnic->nic.rq_tail) { nic_rqe = &nesvnic->nic.rq_vbase[nesvnic->nic.rq_tail]; - wqe_frag = (u64)le32_to_cpu(nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_LOW_IDX]); - wqe_frag |= ((u64)le32_to_cpu(nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_HIGH_IDX])) << 32; + wqe_frag = (u64)le32_to_cpu( + nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_LOW_IDX]); + wqe_frag |= ((u64)le32_to_cpu( + nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_HIGH_IDX]))<<32; pci_unmap_single(nesdev->pcidev, (dma_addr_t)wqe_frag, nesvnic->max_frame_size, PCI_DMA_FROMDEVICE); dev_kfree_skb(nesvnic->nic.rx_skb[nesvnic->nic.rq_tail++]); nesvnic->nic.rq_tail &= (nesvnic->nic.rq_size - 1); } + /* Free remaining NIC transmit buffers */ + while (nesvnic->nic.sq_head != nesvnic->nic.sq_tail) { + nic_sqe = &nesvnic->nic.sq_vbase[nesvnic->nic.sq_tail]; + wqe_fragment_index = 1; + wqe_fragment_length = (__le16 *) + &nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX]; + /* bump past the vlan tag */ + wqe_fragment_length++; + if (le16_to_cpu(wqe_fragment_length[wqe_fragment_index]) != 0) { + u64temp = (u64)le32_to_cpu( + nic_sqe->wqe_words[NES_NIC_SQ_WQE_FRAG0_LOW_IDX+ + wqe_fragment_index*2]); + u64temp += ((u64)le32_to_cpu( + nic_sqe->wqe_words[NES_NIC_SQ_WQE_FRAG0_HIGH_IDX + + wqe_fragment_index*2]))<<32; + bus_address = (dma_addr_t)u64temp; + if (test_and_clear_bit(nesvnic->nic.sq_tail, + nesvnic->nic.first_frag_overflow)) { + pci_unmap_single(nesdev->pcidev, + bus_address, + le16_to_cpu(wqe_fragment_length[ + wqe_fragment_index++]), + PCI_DMA_TODEVICE); + } + for (; wqe_fragment_index < 5; wqe_fragment_index++) { + if (wqe_fragment_length[wqe_fragment_index]) { + u64temp = le32_to_cpu( + nic_sqe->wqe_words[ + NES_NIC_SQ_WQE_FRAG0_LOW_IDX+ + wqe_fragment_index*2]); + u64temp += ((u64)le32_to_cpu( + nic_sqe->wqe_words[ + NES_NIC_SQ_WQE_FRAG0_HIGH_IDX+ + wqe_fragment_index*2]))<<32; + bus_address = (dma_addr_t)u64temp; + pci_unmap_page(nesdev->pcidev, + bus_address, + le16_to_cpu( + wqe_fragment_length[ + wqe_fragment_index]), + PCI_DMA_TODEVICE); + } else + break; + } + } + if (nesvnic->nic.tx_skb[nesvnic->nic.sq_tail]) + dev_kfree_skb( + nesvnic->nic.tx_skb[nesvnic->nic.sq_tail]); + + nesvnic->nic.sq_tail = (++nesvnic->nic.sq_tail) + & (nesvnic->nic.sq_size - 1); + } + spin_lock_irqsave(&nesdev->cqp.lock, flags); /* Destroy NIC QP */ @@ -1894,7 +1995,30 @@ int nes_napi_isr(struct nes_device *nesdev) } } - +static void process_critical_error(struct nes_device *nesdev) +{ + u32 debug_error; + u32 nes_idx_debug_error_masks0 = 0; + u16 error_module = 0; + + debug_error = nes_read_indexed(nesdev, NES_IDX_DEBUG_ERROR_CONTROL_STATUS); + printk(KERN_ERR PFX "Critical Error reported by device!!! 0x%02X\n", + (u16)debug_error); + nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_CONTROL_STATUS, + 0x01010000 | (debug_error & 0x0000ffff)); + if (crit_err_count++ > 10) + nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS1, 1 << 0x17); + error_module = (u16) (debug_error & 0x1F00) >> 8; + if (++nesdev->nesadapter->crit_error_count[error_module-1] >= + nes_max_critical_error_count) { + printk(KERN_ERR PFX "Masking off critical error for module " + "0x%02X\n", (u16)error_module); + nes_idx_debug_error_masks0 = nes_read_indexed(nesdev, + NES_IDX_DEBUG_ERROR_MASKS0); + nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS0, + nes_idx_debug_error_masks0 | (1 << error_module)); + } +} /** * nes_dpc */ @@ -1909,7 +2033,6 @@ void nes_dpc(unsigned long param) u32 timer_stat; u32 temp_int_stat; u32 intf_int_stat; - u32 debug_error; u32 processed_intf_int = 0; u16 processed_timer_int = 0; u16 completion_ints = 0; @@ -1987,14 +2110,7 @@ void nes_dpc(unsigned long param) intf_int_stat = nes_read32(nesdev->regs+NES_INTF_INT_STAT); intf_int_stat &= nesdev->intf_int_req; if (NES_INTF_INT_CRITERR & intf_int_stat) { - debug_error = nes_read_indexed(nesdev, NES_IDX_DEBUG_ERROR_CONTROL_STATUS); - printk(KERN_ERR PFX "Critical Error reported by device!!! 0x%02X\n", - (u16)debug_error); - nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_CONTROL_STATUS, - 0x01010000 | (debug_error & 0x0000ffff)); - /* BUG(); */ - if (crit_err_count++ > 10) - nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS1, 1 << 0x17); + process_critical_error(nesdev); } if (NES_INTF_INT_PCIERR & intf_int_stat) { printk(KERN_ERR PFX "PCI Error reported by device!!!\n"); @@ -2258,7 +2374,8 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number) spin_unlock_irqrestore(&nesadapter->phy_lock, flags); } /* read the PHY interrupt status register */ - if (nesadapter->OneG_Mode) { + if ((nesadapter->OneG_Mode) && + (nesadapter->phy_type[mac_index] != NES_PHY_TYPE_PUMA_1G)) { do { nes_read_1G_phy_reg(nesdev, 0x1a, nesadapter->phy_index[mac_index], &phy_data); @@ -3077,6 +3194,22 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev, nes_cm_disconn(nesqp); break; /* TODO: additional AEs need to be here */ + case NES_AEQE_AEID_AMP_BOUNDS_VIOLATION: + nesqp = *((struct nes_qp **)&context); + spin_lock_irqsave(&nesqp->lock, flags); + nesqp->hw_iwarp_state = iwarp_state; + nesqp->hw_tcp_state = tcp_state; + nesqp->last_aeq = async_event_id; + spin_unlock_irqrestore(&nesqp->lock, flags); + if (nesqp->ibqp.event_handler) { + ibevent.device = nesqp->ibqp.device; + ibevent.element.qp = &nesqp->ibqp; + ibevent.event = IB_EVENT_QP_ACCESS_ERR; + nesqp->ibqp.event_handler(&ibevent, + nesqp->ibqp.qp_context); + } + nes_cm_disconn(nesqp); + break; default: nes_debug(NES_DBG_AEQ, "Processing an iWARP related AE for QP, misc = 0x%04X\n", async_event_id); |