diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_nx.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nx.c | 217 |
1 files changed, 177 insertions, 40 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index ae2acacc0003..fdb96a3584a5 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -1079,11 +1079,55 @@ qla82xx_pinit_from_rom(scsi_qla_host_t *vha) /* Halt all the indiviual PEGs and other blocks of the ISP */ qla82xx_rom_lock(ha); + + /* mask all niu interrupts */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff); + /* disable xge rx/tx */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00); + /* disable xg1 rx/tx */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00); + + /* halt sre */ + val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000); + qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1))); + + /* halt epg */ + qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1); + + /* halt timers */ + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0); + + /* halt pegs */ + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1); + + /* big hammer */ + msleep(1000); if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) /* don't reset CAM block on reset */ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff); else qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff); + + /* reset ms */ + val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); + val |= (1 << 1); + qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); + msleep(20); + + /* unreset ms */ + val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); + val &= ~(1 << 1); + qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); + msleep(20); + qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); /* Read the signature value from the flash. @@ -1210,25 +1254,6 @@ qla82xx_pinit_from_rom(scsi_qla_host_t *vha) } static int -qla82xx_check_for_bad_spd(struct qla_hw_data *ha) -{ - u32 val = 0; - val = qla82xx_rd_32(ha, BOOT_LOADER_DIMM_STATUS); - val &= QLA82XX_BOOT_LOADER_MN_ISSUE; - if (val & QLA82XX_PEG_TUNE_MN_SPD_ZEROED) { - qla_printk(KERN_INFO, ha, - "Memory DIMM SPD not programmed. " - " Assumed valid.\n"); - return 1; - } else if (val) { - qla_printk(KERN_INFO, ha, - "Memory DIMM type incorrect.Info:%08X.\n", val); - return 2; - } - return 0; -} - -static int qla82xx_pci_mem_write_2M(struct qla_hw_data *ha, u64 off, void *data, int size) { @@ -1293,11 +1318,6 @@ qla82xx_pci_mem_write_2M(struct qla_hw_data *ha, word[startword+1] |= tmpw >> (sz[0] * 8); } - /* - * don't lock here - write_wx gets the lock if each time - * write_lock_irqsave(&adapter->adapter_lock, flags); - * netxen_nic_pci_change_crbwindow_128M(adapter, 0); - */ for (i = 0; i < loop; i++) { temp = off8 + (i << shift_amount); qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp); @@ -1399,12 +1419,6 @@ qla82xx_pci_mem_read_2M(struct qla_hw_data *ha, off0[1] = 0; sz[1] = size - sz[0]; - /* - * don't lock here - write_wx gets the lock if each time - * write_lock_irqsave(&adapter->adapter_lock, flags); - * netxen_nic_pci_change_crbwindow_128M(adapter, 0); - */ - for (i = 0; i < loop; i++) { temp = off8 + (i << shift_amount); qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp); @@ -1437,11 +1451,6 @@ qla82xx_pci_mem_read_2M(struct qla_hw_data *ha, } } - /* - * netxen_nic_pci_change_crbwindow_128M(adapter, 1); - * write_unlock_irqrestore(&adapter->adapter_lock, flags); - */ - if (j >= MAX_CTL_CHECK) return -1; @@ -1872,7 +1881,6 @@ qla82xx_check_cmdpeg_state(struct qla_hw_data *ha) qla_printk(KERN_INFO, ha, "Cmd Peg initialization failed: 0x%x.\n", val); - qla82xx_check_for_bad_spd(ha); val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE); read_lock(&ha->hw_lock); qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); @@ -2343,6 +2351,17 @@ qla82xx_set_qsnt_ready(struct qla_hw_data *ha) qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); } +void +qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t qsnt_state; + + qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); + qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); +} + static int qla82xx_load_fw(scsi_qla_host_t *vha) { @@ -2542,7 +2561,7 @@ qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg)); - cur_seg++; + cur_seg = sg_next(cur_seg); avail_dsds--; } } @@ -3261,6 +3280,104 @@ dev_ready: return QLA_SUCCESS; } +/* +* qla82xx_need_qsnt_handler +* Code to start quiescence sequence +* +* Note: +* IDC lock must be held upon entry +* +* Return: void +*/ + +static void +qla82xx_need_qsnt_handler(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t dev_state, drv_state, drv_active; + unsigned long reset_timeout; + + if (vha->flags.online) { + /*Block any further I/O and wait for pending cmnds to complete*/ + qla82xx_quiescent_state_cleanup(vha); + } + + /* Set the quiescence ready bit */ + qla82xx_set_qsnt_ready(ha); + + /*wait for 30 secs for other functions to ack */ + reset_timeout = jiffies + (30 * HZ); + + drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + /* Its 2 that is written when qsnt is acked, moving one bit */ + drv_active = drv_active << 0x01; + + while (drv_state != drv_active) { + + if (time_after_eq(jiffies, reset_timeout)) { + /* quiescence timeout, other functions didn't ack + * changing the state to DEV_READY + */ + qla_printk(KERN_INFO, ha, + "%s: QUIESCENT TIMEOUT\n", QLA2XXX_DRIVER_NAME); + qla_printk(KERN_INFO, ha, + "DRV_ACTIVE:%d DRV_STATE:%d\n", drv_active, + drv_state); + qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, + QLA82XX_DEV_READY); + qla_printk(KERN_INFO, ha, + "HW State: DEV_READY\n"); + qla82xx_idc_unlock(ha); + qla2x00_perform_loop_resync(vha); + qla82xx_idc_lock(ha); + + qla82xx_clear_qsnt_ready(vha); + return; + } + + qla82xx_idc_unlock(ha); + msleep(1000); + qla82xx_idc_lock(ha); + + drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + drv_active = drv_active << 0x01; + } + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + /* everyone acked so set the state to DEV_QUIESCENCE */ + if (dev_state == QLA82XX_DEV_NEED_QUIESCENT) { + qla_printk(KERN_INFO, ha, "HW State: DEV_QUIESCENT\n"); + qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_QUIESCENT); + } +} + +/* +* qla82xx_wait_for_state_change +* Wait for device state to change from given current state +* +* Note: +* IDC lock must not be held upon entry +* +* Return: +* Changed device state. +*/ +uint32_t +qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t dev_state; + + do { + msleep(1000); + qla82xx_idc_lock(ha); + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + qla82xx_idc_unlock(ha); + } while (dev_state == curr_state); + + return dev_state; +} + static void qla82xx_dev_failed_handler(scsi_qla_host_t *vha) { @@ -3439,15 +3556,28 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha) qla82xx_idc_lock(ha); break; case QLA82XX_DEV_NEED_RESET: - if (!ql2xdontresethba) - qla82xx_need_reset_handler(vha); + qla82xx_need_reset_handler(vha); break; case QLA82XX_DEV_NEED_QUIESCENT: - qla82xx_set_qsnt_ready(ha); + qla82xx_need_qsnt_handler(vha); + /* Reset timeout value after quiescence handler */ + dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\ + * HZ); + break; case QLA82XX_DEV_QUIESCENT: + /* Owner will exit and other will wait for the state + * to get changed + */ + if (ha->flags.quiesce_owner) + goto exit; + qla82xx_idc_unlock(ha); msleep(1000); qla82xx_idc_lock(ha); + + /* Reset timeout value after quiescence handler */ + dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\ + * HZ); break; case QLA82XX_DEV_FAILED: qla82xx_dev_failed_handler(vha); @@ -3490,6 +3620,13 @@ void qla82xx_watchdog(scsi_qla_host_t *vha) &ha->mbx_cmd_flags)) complete(&ha->mbx_intr_comp); } + } else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT && + !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) { + DEBUG(qla_printk(KERN_INFO, ha, + "scsi(%ld) %s - detected quiescence needed\n", + vha->host_no, __func__)); + set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); } else { qla82xx_check_fw_alive(vha); } |