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path: root/drivers/scsi/qla4xxx/ql4_os.c
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Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_os.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c152
1 files changed, 82 insertions, 70 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 5504ab11decc..9e849f6b0d0f 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* QLogic iSCSI HBA Driver
* Copyright (c) 2003-2013 QLogic Corporation
- *
- * See LICENSE.qla4xxx for copyright and licensing details.
*/
#include <linux/moduleparam.h>
#include <linux/slab.h>
@@ -188,11 +187,46 @@ static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess);
static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
QLA82XX_LEGACY_INTR_CONFIG;
+static const uint32_t qla4_82xx_reg_tbl[] = {
+ QLA82XX_PEG_HALT_STATUS1,
+ QLA82XX_PEG_HALT_STATUS2,
+ QLA82XX_PEG_ALIVE_COUNTER,
+ QLA82XX_CRB_DRV_ACTIVE,
+ QLA82XX_CRB_DEV_STATE,
+ QLA82XX_CRB_DRV_STATE,
+ QLA82XX_CRB_DRV_SCRATCH,
+ QLA82XX_CRB_DEV_PART_INFO,
+ QLA82XX_CRB_DRV_IDC_VERSION,
+ QLA82XX_FW_VERSION_MAJOR,
+ QLA82XX_FW_VERSION_MINOR,
+ QLA82XX_FW_VERSION_SUB,
+ CRB_CMDPEG_STATE,
+ CRB_TEMP_STATE,
+};
+
+static const uint32_t qla4_83xx_reg_tbl[] = {
+ QLA83XX_PEG_HALT_STATUS1,
+ QLA83XX_PEG_HALT_STATUS2,
+ QLA83XX_PEG_ALIVE_COUNTER,
+ QLA83XX_CRB_DRV_ACTIVE,
+ QLA83XX_CRB_DEV_STATE,
+ QLA83XX_CRB_DRV_STATE,
+ QLA83XX_CRB_DRV_SCRATCH,
+ QLA83XX_CRB_DEV_PART_INFO1,
+ QLA83XX_CRB_IDC_VER_MAJOR,
+ QLA83XX_FW_VER_MAJOR,
+ QLA83XX_FW_VER_MINOR,
+ QLA83XX_FW_VER_SUB,
+ QLA83XX_CMDPEG_STATE,
+ QLA83XX_ASIC_TEMP,
+};
+
static struct scsi_host_template qla4xxx_driver_template = {
.module = THIS_MODULE,
.name = DRIVER_NAME,
.proc_name = DRIVER_NAME,
.queuecommand = qla4xxx_queuecommand,
+ .cmd_size = sizeof(struct qla4xxx_cmd_priv),
.eh_abort_handler = qla4xxx_eh_abort,
.eh_device_reset_handler = qla4xxx_eh_device_reset,
@@ -208,7 +242,7 @@ static struct scsi_host_template qla4xxx_driver_template = {
.sg_tablesize = SG_ALL,
.max_sectors = 0xFFFF,
- .shost_attrs = qla4xxx_host_attrs,
+ .shost_groups = qla4xxx_host_groups,
.host_reset = qla4xxx_host_reset,
.vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC,
};
@@ -226,6 +260,7 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
.start_conn = qla4xxx_conn_start,
.create_conn = qla4xxx_conn_create,
.bind_conn = qla4xxx_conn_bind,
+ .unbind_conn = iscsi_conn_unbind,
.stop_conn = iscsi_conn_stop,
.destroy_conn = qla4xxx_conn_destroy,
.set_param = iscsi_set_param,
@@ -585,7 +620,7 @@ static umode_t qla4_attr_is_visible(int param_type, int param)
}
/**
- * qla4xxx_create chap_list - Create CHAP list from FLASH
+ * qla4xxx_create_chap_list - Create CHAP list from FLASH
* @ha: pointer to adapter structure
*
* Read flash and make a list of CHAP entries, during login when a CHAP entry
@@ -636,7 +671,6 @@ static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
goto exit_chap_list;
}
- memset(ha->chap_list, 0, chap_size);
memcpy(ha->chap_list, chap_flash_data, chap_size);
exit_chap_list:
@@ -652,7 +686,6 @@ static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
if (!ha->chap_list) {
ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
- rval = QLA_ERROR;
goto exit_get_chap;
}
@@ -664,14 +697,12 @@ static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
if (chap_index > max_chap_entries) {
ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
- rval = QLA_ERROR;
goto exit_get_chap;
}
*chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
if ((*chap_entry)->cookie !=
- __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
- rval = QLA_ERROR;
+ cpu_to_le16(CHAP_VALID_COOKIE)) {
*chap_entry = NULL;
} else {
rval = QLA_SUCCESS;
@@ -714,7 +745,7 @@ static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
chap_table = (struct ql4_chap_table *)ha->chap_list + i;
if ((chap_table->cookie !=
- __constant_cpu_to_le16(CHAP_VALID_COOKIE)) &&
+ cpu_to_le16(CHAP_VALID_COOKIE)) &&
(i > MAX_RESRV_CHAP_IDX)) {
free_index = i;
break;
@@ -763,7 +794,7 @@ static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
for (i = chap_tbl_idx; i < max_chap_entries; i++) {
chap_table = (struct ql4_chap_table *)ha->chap_list + i;
if (chap_table->cookie !=
- __constant_cpu_to_le16(CHAP_VALID_COOKIE))
+ cpu_to_le16(CHAP_VALID_COOKIE))
continue;
chap_rec->chap_tbl_idx = i;
@@ -784,8 +815,6 @@ static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
valid_chap_entries++;
if (valid_chap_entries == *num_entries)
break;
- else
- continue;
}
mutex_unlock(&ha->chap_sem);
@@ -811,7 +840,7 @@ static int __qla4xxx_is_chap_active(struct device *dev, void *data)
sess = cls_session->dd_data;
ddb_entry = sess->dd_data;
- if (iscsi_session_chkready(cls_session))
+ if (iscsi_is_session_online(cls_session))
goto exit_is_chap_active;
if (ddb_entry->chap_tbl_idx == *chap_tbl_idx)
@@ -894,7 +923,7 @@ static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
goto exit_delete_chap;
}
- chap_table->cookie = __constant_cpu_to_le16(0xFFFF);
+ chap_table->cookie = cpu_to_le16(0xFFFF);
offset = FLASH_CHAP_OFFSET |
(chap_tbl_idx * sizeof(struct ql4_chap_table));
@@ -966,7 +995,7 @@ static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len)
"%s: No such sysfs attribute\n", __func__);
rc = -ENOSYS;
goto exit_set_chap;
- };
+ }
}
if (chap_rec.chap_type == CHAP_TYPE_IN)
@@ -1220,7 +1249,7 @@ static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len)
le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error);
exit_host_stats:
if (ql_iscsi_stats)
- dma_free_coherent(&ha->pdev->dev, host_stats_size,
+ dma_free_coherent(&ha->pdev->dev, stats_size,
ql_iscsi_stats, iscsi_stats_dma);
ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n",
@@ -1845,12 +1874,10 @@ exit_get_stats:
static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
{
struct iscsi_cls_session *session;
- struct iscsi_session *sess;
unsigned long flags;
enum blk_eh_timer_return ret = BLK_EH_DONE;
session = starget_to_session(scsi_target(sc->device));
- sess = session->dd_data;
spin_lock_irqsave(&session->lock, flags);
if (session->state == ISCSI_SESSION_FAILED)
@@ -2875,7 +2902,7 @@ static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
chap_tbl.secret_len);
}
}
- /* fall through */
+ fallthrough;
default:
return iscsi_session_get_param(cls_sess, param, buf);
}
@@ -3059,7 +3086,6 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
struct ddb_entry *ddb_entry;
uint16_t ddb_index;
struct iscsi_session *sess;
- struct sockaddr *dst_addr;
int ret;
if (!ep) {
@@ -3068,7 +3094,6 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
}
qla_ep = ep->dd_data;
- dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
ha = to_qla_host(qla_ep->host);
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
ha->host_no));
@@ -3208,6 +3233,7 @@ static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
conn = cls_conn->dd_data;
qla_conn = conn->dd_data;
qla_conn->qla_ep = ep->dd_data;
+ iscsi_put_endpoint(ep);
return 0;
}
@@ -3613,7 +3639,6 @@ static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
struct dev_db_entry *fw_ddb_entry)
{
uint16_t options;
- int rc = 0;
options = le16_to_cpu(fw_ddb_entry->options);
SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11);
@@ -3712,7 +3737,7 @@ static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
COPY_ISID(fw_ddb_entry->isid, sess->isid);
- return rc;
+ return 0;
}
static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
@@ -4028,7 +4053,7 @@ static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
srb->ddb = ddb_entry;
srb->cmd = cmd;
srb->flags = 0;
- CMD_SP(cmd) = (void *)srb;
+ qla4xxx_cmd_priv(cmd)->srb = srb;
return srb;
}
@@ -4041,7 +4066,7 @@ static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
scsi_dma_unmap(cmd);
srb->flags &= ~SRB_DMA_VALID;
}
- CMD_SP(cmd) = NULL;
+ qla4xxx_cmd_priv(cmd)->srb = NULL;
}
void qla4xxx_srb_compl(struct kref *ref)
@@ -4054,7 +4079,7 @@ void qla4xxx_srb_compl(struct kref *ref)
mempool_free(srb, ha->srb_mempool);
- cmd->scsi_done(cmd);
+ scsi_done(cmd);
}
/**
@@ -4128,7 +4153,7 @@ qc_host_busy:
return SCSI_MLQUEUE_HOST_BUSY;
qc_fail_command:
- cmd->scsi_done(cmd);
+ scsi_done(cmd);
return 0;
}
@@ -4145,8 +4170,7 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha)
dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues,
ha->queues_dma);
- if (ha->fw_dump)
- vfree(ha->fw_dump);
+ vfree(ha->fw_dump);
ha->queues_len = 0;
ha->queues = NULL;
@@ -4166,8 +4190,7 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha)
dma_pool_destroy(ha->chap_dma_pool);
- if (ha->chap_list)
- vfree(ha->chap_list);
+ vfree(ha->chap_list);
ha->chap_list = NULL;
dma_pool_destroy(ha->fw_ddb_dma_pool);
@@ -4185,8 +4208,7 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha)
iounmap(ha->reg);
}
- if (ha->reset_tmplt.buff)
- vfree(ha->reset_tmplt.buff);
+ vfree(ha->reset_tmplt.buff);
pci_release_regions(ha->pdev);
}
@@ -4515,7 +4537,7 @@ static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
/**
* qla4xxx_timer - checks every second for work to do.
- * @ha: Pointer to host adapter structure.
+ * @t: Context to obtain pointer to host adapter structure.
**/
static void qla4xxx_timer(struct timer_list *t)
{
@@ -4617,7 +4639,7 @@ static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
* the scsi/block layer is going to prevent
* the tag from being released.
*/
- if (cmd != NULL && CMD_SP(cmd))
+ if (cmd != NULL && qla4xxx_cmd_priv(cmd)->srb)
break;
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -5073,7 +5095,7 @@ int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
" start scan\n", ha->host_no, __func__,
ddb_entry->fw_ddb_index);
- scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
+ queue_work(ddb_entry->sess->workq, &ddb_entry->sess->scan_work);
}
return QLA_SUCCESS;
}
@@ -5269,7 +5291,7 @@ static void qla4xxx_do_work(struct scsi_qla_host *ha)
/**
* qla4xxx_do_dpc - dpc routine
- * @data: in our case pointer to adapter structure
+ * @work: Context to obtain pointer to host adapter structure.
*
* This routine is a task that is schedule by the interrupt handler
* to perform the background processing for interrupts. We put it
@@ -5492,7 +5514,7 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
{
int status = 0;
- unsigned long mem_base, mem_len, db_base, db_len;
+ unsigned long mem_base, mem_len;
struct pci_dev *pdev = ha->pdev;
status = pci_request_regions(pdev, DRIVER_NAME);
@@ -5536,9 +5558,6 @@ int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
((uint8_t *)ha->nx_pcibase);
}
- db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
- db_len = pci_resource_len(pdev, 4);
-
return 0;
iospace_error_exit:
return -ENOMEM;
@@ -5714,7 +5733,7 @@ static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
switch (type) {
case ISCSI_BOOT_ETH_FLAGS:
- rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
+ rc = sprintf(str, "%d\n", (char)SYSFS_FLAG_FW_SEL_BOOT);
break;
case ISCSI_BOOT_ETH_INDEX:
rc = sprintf(str, "0\n");
@@ -5823,7 +5842,7 @@ qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
(char *)&boot_conn->chap.intr_secret);
break;
case ISCSI_BOOT_TGT_FLAGS:
- rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
+ rc = sprintf(str, "%d\n", (char)SYSFS_FLAG_FW_SEL_BOOT);
break;
case ISCSI_BOOT_TGT_NIC_ASSOC:
rc = sprintf(str, "0\n");
@@ -6023,7 +6042,7 @@ static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
for (i = 0; i < max_chap_entries; i++) {
chap_table = (struct ql4_chap_table *)ha->chap_list + i;
if (chap_table->cookie !=
- __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+ cpu_to_le16(CHAP_VALID_COOKIE)) {
continue;
}
@@ -6249,14 +6268,12 @@ kset_free:
static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
struct ql4_tuple_ddb *tddb)
{
- struct scsi_qla_host *ha;
struct iscsi_cls_session *cls_sess;
struct iscsi_cls_conn *cls_conn;
struct iscsi_session *sess;
struct iscsi_conn *conn;
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
- ha = ddb_entry->ha;
cls_sess = ddb_entry->sess;
sess = cls_sess->dd_data;
cls_conn = ddb_entry->conn;
@@ -6375,10 +6392,8 @@ static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
}
exit_check:
- if (fw_tddb)
- vfree(fw_tddb);
- if (tmp_tddb)
- vfree(tmp_tddb);
+ vfree(fw_tddb);
+ vfree(tmp_tddb);
return ret;
}
@@ -6530,10 +6545,8 @@ static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
}
exit_check:
- if (fw_tddb)
- vfree(fw_tddb);
- if (tmp_tddb)
- vfree(tmp_tddb);
+ vfree(fw_tddb);
+ vfree(tmp_tddb);
return ret;
}
@@ -6940,7 +6953,7 @@ static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
if (is_reset == RESET_ADAPTER) {
iscsi_block_session(cls_sess);
/* Use the relogin path to discover new devices
- * by short-circuting the logic of setting
+ * by short-circuiting the logic of setting
* timer to relogin - instead set the flags
* to initiate login right away.
*/
@@ -7813,10 +7826,8 @@ static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
ret = -ESRCH;
exit_ddb_logout:
- if (flash_tddb)
- vfree(flash_tddb);
- if (tmp_tddb)
- vfree(tmp_tddb);
+ vfree(flash_tddb);
+ vfree(tmp_tddb);
if (fw_ddb_entry)
dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
@@ -8591,7 +8602,7 @@ exit_login_resp:
/**
* qla4xxx_probe_adapter - callback function to probe HBA
* @pdev: pointer to pci_dev structure
- * @pci_device_id: pointer to pci_device entry
+ * @ent: pointer to pci_device entry
*
* This routine will probe for Qlogic 4xxx iSCSI host adapters.
* It returns zero if successful. It also initializes all data necessary for
@@ -8977,7 +8988,7 @@ static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
}
/**
* qla4xxx_remove_adapter - callback function to remove adapter.
- * @pci_dev: PCI device pointer
+ * @pdev: PCI device pointer
**/
static void qla4xxx_remove_adapter(struct pci_dev *pdev)
{
@@ -9067,7 +9078,7 @@ struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
if (!cmd)
return srb;
- srb = (struct srb *)CMD_SP(cmd);
+ srb = qla4xxx_cmd_priv(cmd)->srb;
if (!srb)
return srb;
@@ -9109,7 +9120,7 @@ static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
do {
/* Checking to see if its returned to OS */
- rp = (struct srb *) CMD_SP(cmd);
+ rp = qla4xxx_cmd_priv(cmd)->srb;
if (rp == NULL) {
done++;
break;
@@ -9144,8 +9155,8 @@ static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha)
/**
* qla4xxx_eh_wait_for_commands - wait for active cmds to finish.
* @ha: pointer to HBA
- * @t: target id
- * @l: lun id
+ * @stgt: pointer to SCSI target
+ * @sdev: pointer to SCSI device
*
* This function waits for all outstanding commands to a lun to complete. It
* returns 0 if all pending commands are returned and 1 otherwise.
@@ -9203,7 +9214,7 @@ static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
}
spin_lock_irqsave(&ha->hardware_lock, flags);
- srb = (struct srb *) CMD_SP(cmd);
+ srb = qla4xxx_cmd_priv(cmd)->srb;
if (!srb) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n",
@@ -9270,7 +9281,7 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
DEBUG2(printk(KERN_INFO
"scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x,"
"dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no,
- cmd, jiffies, cmd->request->timeout / HZ,
+ cmd, jiffies, scsi_cmd_to_rq(cmd)->timeout / HZ,
ha->dpc_flags, cmd->result, cmd->allowed));
rval = qla4xxx_isp_check_reg(ha);
@@ -9337,7 +9348,7 @@ static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd)
DEBUG2(printk(KERN_INFO
"scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
"to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
- ha->host_no, cmd, jiffies, cmd->request->timeout / HZ,
+ ha->host_no, cmd, jiffies, scsi_cmd_to_rq(cmd)->timeout / HZ,
ha->dpc_flags, cmd->result, cmd->allowed));
rval = qla4xxx_isp_check_reg(ha);
@@ -9612,9 +9623,10 @@ qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
}
/**
- * qla4xxx_pci_mmio_enabled() gets called if
+ * qla4xxx_pci_mmio_enabled() - gets called if
* qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER
* and read/write to the device still works.
+ * @pdev: PCI device pointer
**/
static pci_ers_result_t
qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)