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path: root/drivers/scsi/qla2xxx/qla_nx.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_nx.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_nx.c218
1 files changed, 178 insertions, 40 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 8d9edfb39803..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--;
}
}
@@ -2749,6 +2768,7 @@ sufficient_dsds:
goto queuing_error_fcp_cmnd;
int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
+ host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
/* build FCP_CMND IU */
memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd));
@@ -3260,6 +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)
{
@@ -3438,15 +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);
@@ -3489,6 +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);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.