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[SCSI] qla4xxx: Capture minidump for ISP82XX on firmware failure

Browse source 
Added support to capture dump (Minidump) which allows us to
catpure a snapshot of the firmware/hardware states at the time
of firmware failure

Signed-off-by: Tej Parkash <tej.parkash@qlogic.com>
Signed-off-by: Shyam Sundar <shyam.sundar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Tej Parkash 2012-05-18 04:41:44 -04:00 committed by James Bottomley
parent f7b4aa6365
commit 068237c87c
9 changed files with 1293 additions and 16 deletions
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134
drivers/scsi/qla4xxx/ql4_attr.c
View file

@ -9,6 +9,140 @@
#include "ql4_glbl.h"
#include "ql4_dbg.h"
static ssize_t
qla4_8xxx_sysfs_read_fw_dump(struct file *filep, struct kobject *kobj,
struct bin_attribute *ba, char *buf, loff_t off,
size_t count)
{
struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
struct device, kobj)));
if (!is_qla8022(ha))
return -EINVAL;
if (!test_bit(AF_82XX_DUMP_READING, &ha->flags))
return 0;
return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
ha->fw_dump_size);
}
static ssize_t
qla4_8xxx_sysfs_write_fw_dump(struct file *filep, struct kobject *kobj,
struct bin_attribute *ba, char *buf, loff_t off,
size_t count)
{
struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
struct device, kobj)));
uint32_t dev_state;
long reading;
int ret = 0;
if (!is_qla8022(ha))
return -EINVAL;
if (off != 0)
return ret;
buf[1] = 0;
ret = kstrtol(buf, 10, &reading);
if (ret) {
ql4_printk(KERN_ERR, ha, "%s: Invalid input. Return err %d\n",
__func__, ret);
return ret;
}
switch (reading) {
case 0:
/* clear dump collection flags */
if (test_and_clear_bit(AF_82XX_DUMP_READING, &ha->flags)) {
clear_bit(AF_82XX_FW_DUMPED, &ha->flags);
/* Reload minidump template */
qla4xxx_alloc_fw_dump(ha);
DEBUG2(ql4_printk(KERN_INFO, ha,
"Firmware template reloaded\n"));
}
break;
case 1:
/* Set flag to read dump */
if (test_bit(AF_82XX_FW_DUMPED, &ha->flags) &&
!test_bit(AF_82XX_DUMP_READING, &ha->flags)) {
set_bit(AF_82XX_DUMP_READING, &ha->flags);
DEBUG2(ql4_printk(KERN_INFO, ha,
"Raw firmware dump ready for read on (%ld).\n",
ha->host_no));
}
break;
case 2:
/* Reset HBA */
qla4_8xxx_idc_lock(ha);
dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
if (dev_state == QLA82XX_DEV_READY) {
ql4_printk(KERN_INFO, ha,
"%s: Setting Need reset, reset_owner is 0x%x.\n",
__func__, ha->func_num);
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
QLA82XX_DEV_NEED_RESET);
set_bit(AF_82XX_RST_OWNER, &ha->flags);
} else
ql4_printk(KERN_INFO, ha,
"%s: Reset not performed as device state is 0x%x\n",
__func__, dev_state);
qla4_8xxx_idc_unlock(ha);
break;
default:
/* do nothing */
break;
}
return count;
}
static struct bin_attribute sysfs_fw_dump_attr = {
.attr = {
.name = "fw_dump",
.mode = S_IRUSR | S_IWUSR,
},
.size = 0,
.read = qla4_8xxx_sysfs_read_fw_dump,
.write = qla4_8xxx_sysfs_write_fw_dump,
};
static struct sysfs_entry {
char *name;
struct bin_attribute *attr;
} bin_file_entries[] = {
{ "fw_dump", &sysfs_fw_dump_attr },
{ NULL },
};
void qla4_8xxx_alloc_sysfs_attr(struct scsi_qla_host *ha)
{
struct Scsi_Host *host = ha->host;
struct sysfs_entry *iter;
int ret;
for (iter = bin_file_entries; iter->name; iter++) {
ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
iter->attr);
if (ret)
ql4_printk(KERN_ERR, ha,
"Unable to create sysfs %s binary attribute (%d).\n",
iter->name, ret);
}
}
void qla4_8xxx_free_sysfs_attr(struct scsi_qla_host *ha)
{
struct Scsi_Host *host = ha->host;
struct sysfs_entry *iter;
for (iter = bin_file_entries; iter->name; iter++)
sysfs_remove_bin_file(&host->shost_gendev.kobj,
iter->attr);
}
/* Scsi_Host attributes. */
static ssize_t
qla4xxx_fw_version_show(struct device *dev,

22
drivers/scsi/qla4xxx/ql4_def.h
View file

@ -398,6 +398,16 @@ struct isp_operations {
int (*get_sys_info) (struct scsi_qla_host *);
};
struct ql4_mdump_size_table {
uint32_t size;
uint32_t size_cmask_02;
uint32_t size_cmask_04;
uint32_t size_cmask_08;
uint32_t size_cmask_10;
uint32_t size_cmask_FF;
uint32_t version;
};
/*qla4xxx ipaddress configuration details */
struct ipaddress_config {
uint16_t ipv4_options;
@ -485,6 +495,10 @@ struct scsi_qla_host {
#define AF_EEH_BUSY 20 /* 0x00100000 */
#define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */
#define AF_BUILD_DDB_LIST 22 /* 0x00400000 */
#define AF_82XX_FW_DUMPED 24 /* 0x01000000 */
#define AF_82XX_RST_OWNER 25 /* 0x02000000 */
#define AF_82XX_DUMP_READING 26 /* 0x04000000 */
unsigned long dpc_flags;
#define DPC_RESET_HA 1 /* 0x00000002 */
@ -662,6 +676,11 @@ struct scsi_qla_host {
uint32_t nx_dev_init_timeout;
uint32_t nx_reset_timeout;
void *fw_dump;
uint32_t fw_dump_size;
uint32_t fw_dump_capture_mask;
void *fw_dump_tmplt_hdr;
uint32_t fw_dump_tmplt_size;
struct completion mbx_intr_comp;
@ -936,4 +955,7 @@ static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
#define PROCESS_ALL_AENS 0
#define FLUSH_DDB_CHANGED_AENS 1
/* Defines for udev events */
#define QL4_UEVENT_CODE_FW_DUMP 0
#endif /*_QLA4XXX_H */

28
drivers/scsi/qla4xxx/ql4_fw.h
View file

@ -385,6 +385,11 @@ struct qla_flt_region {
#define MBOX_CMD_GET_IP_ADDR_STATE 0x0091
#define MBOX_CMD_SEND_IPV6_ROUTER_SOL 0x0092
#define MBOX_CMD_GET_DB_ENTRY_CURRENT_IP_ADDR 0x0093
#define MBOX_CMD_MINIDUMP 0x0129
/* Minidump subcommand */
#define MINIDUMP_GET_SIZE_SUBCOMMAND 0x00
#define MINIDUMP_GET_TMPLT_SUBCOMMAND 0x01
/* Mailbox 1 */
#define FW_STATE_READY 0x0000
@ -1190,4 +1195,27 @@ struct ql_iscsi_stats {
uint8_t reserved2[264]; /* 0x0308 - 0x040F */
};
#define QLA82XX_DBG_STATE_ARRAY_LEN 16
#define QLA82XX_DBG_CAP_SIZE_ARRAY_LEN 8
#define QLA82XX_DBG_RSVD_ARRAY_LEN 8
struct qla4_8xxx_minidump_template_hdr {
uint32_t entry_type;
uint32_t first_entry_offset;
uint32_t size_of_template;
uint32_t capture_debug_level;
uint32_t num_of_entries;
uint32_t version;
uint32_t driver_timestamp;
uint32_t checksum;
uint32_t driver_capture_mask;
uint32_t driver_info_word2;
uint32_t driver_info_word3;
uint32_t driver_info_word4;
uint32_t saved_state_array[QLA82XX_DBG_STATE_ARRAY_LEN];
uint32_t capture_size_array[QLA82XX_DBG_CAP_SIZE_ARRAY_LEN];
};
#endif /* _QLA4X_FW_H */

8
drivers/scsi/qla4xxx/ql4_glbl.h
View file

@ -196,10 +196,18 @@ int qla4xxx_bsg_request(struct bsg_job *bsg_job);
int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job);
void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry);
int qla4xxx_get_minidump_template(struct scsi_qla_host *ha,
dma_addr_t phys_addr);
int qla4xxx_req_template_size(struct scsi_qla_host *ha);
void qla4_8xxx_alloc_sysfs_attr(struct scsi_qla_host *ha);
void qla4_8xxx_free_sysfs_attr(struct scsi_qla_host *ha);
void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha);
extern int ql4xextended_error_logging;
extern int ql4xdontresethba;
extern int ql4xenablemsix;
extern int ql4xmdcapmask;
extern int ql4xenablemd;
extern struct device_attribute *qla4xxx_host_attrs[];
#endif /* _QLA4x_GBL_H */

92
drivers/scsi/qla4xxx/ql4_init.c
View file

@ -277,6 +277,94 @@ qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha)
return ipv4_wait|ipv6_wait;
}
/**
* qla4xxx_alloc_fw_dump - Allocate memory for minidump data.
* @ha: pointer to host adapter structure.
**/
void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha)
{
int status;
uint32_t capture_debug_level;
int hdr_entry_bit, k;
void *md_tmp;
dma_addr_t md_tmp_dma;
struct qla4_8xxx_minidump_template_hdr *md_hdr;
if (ha->fw_dump) {
ql4_printk(KERN_WARNING, ha,
"Firmware dump previously allocated.\n");
return;
}
status = qla4xxx_req_template_size(ha);
if (status != QLA_SUCCESS) {
ql4_printk(KERN_INFO, ha,
"scsi%ld: Failed to get template size\n",
ha->host_no);
return;
}
clear_bit(AF_82XX_FW_DUMPED, &ha->flags);
/* Allocate memory for saving the template */
md_tmp = dma_alloc_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size,
&md_tmp_dma, GFP_KERNEL);
/* Request template */
status = qla4xxx_get_minidump_template(ha, md_tmp_dma);
if (status != QLA_SUCCESS) {
ql4_printk(KERN_INFO, ha,
"scsi%ld: Failed to get minidump template\n",
ha->host_no);
goto alloc_cleanup;
}
md_hdr = (struct qla4_8xxx_minidump_template_hdr *)md_tmp;
capture_debug_level = md_hdr->capture_debug_level;
/* Get capture mask based on module loadtime setting. */
if (ql4xmdcapmask >= 0x3 && ql4xmdcapmask <= 0x7F)
ha->fw_dump_capture_mask = ql4xmdcapmask;
else
ha->fw_dump_capture_mask = capture_debug_level;
md_hdr->driver_capture_mask = ha->fw_dump_capture_mask;
DEBUG2(ql4_printk(KERN_INFO, ha, "Minimum num of entries = %d\n",
md_hdr->num_of_entries));
DEBUG2(ql4_printk(KERN_INFO, ha, "Dump template size = %d\n",
ha->fw_dump_tmplt_size));
DEBUG2(ql4_printk(KERN_INFO, ha, "Selected Capture mask =0x%x\n",
ha->fw_dump_capture_mask));
/* Calculate fw_dump_size */
for (hdr_entry_bit = 0x2, k = 1; (hdr_entry_bit & 0xFF);
hdr_entry_bit <<= 1, k++) {
if (hdr_entry_bit & ha->fw_dump_capture_mask)
ha->fw_dump_size += md_hdr->capture_size_array[k];
}
/* Total firmware dump size including command header */
ha->fw_dump_size += ha->fw_dump_tmplt_size;
ha->fw_dump = vmalloc(ha->fw_dump_size);
if (!ha->fw_dump)
goto alloc_cleanup;
DEBUG2(ql4_printk(KERN_INFO, ha,
"Minidump Tempalate Size = 0x%x KB\n",
ha->fw_dump_tmplt_size));
DEBUG2(ql4_printk(KERN_INFO, ha,
"Total Minidump size = 0x%x KB\n", ha->fw_dump_size));
memcpy(ha->fw_dump, md_tmp, ha->fw_dump_tmplt_size);
ha->fw_dump_tmplt_hdr = ha->fw_dump;
alloc_cleanup:
dma_free_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size,
md_tmp, md_tmp_dma);
}
static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
{
uint32_t timeout_count;
@ -445,9 +533,13 @@ static int qla4xxx_init_firmware(struct scsi_qla_host *ha)
"control block\n", ha->host_no, __func__));
return status;
}
if (!qla4xxx_fw_ready(ha))
return status;
if (is_qla8022(ha) && !test_bit(AF_INIT_DONE, &ha->flags))
qla4xxx_alloc_fw_dump(ha);
return qla4xxx_get_firmware_status(ha);
}

73
drivers/scsi/qla4xxx/ql4_mbx.c
View file

@ -270,6 +270,79 @@ mbox_exit:
return status;
}
/**
* qla4xxx_get_minidump_template - Get the firmware template
* @ha: Pointer to host adapter structure.
* @phys_addr: dma address for template
*
* Obtain the minidump template from firmware during initialization
* as it may not be available when minidump is desired.
**/
int qla4xxx_get_minidump_template(struct scsi_qla_host *ha,
dma_addr_t phys_addr)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
int status;
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
mbox_cmd[0] = MBOX_CMD_MINIDUMP;
mbox_cmd[1] = MINIDUMP_GET_TMPLT_SUBCOMMAND;
mbox_cmd[2] = LSDW(phys_addr);
mbox_cmd[3] = MSDW(phys_addr);
mbox_cmd[4] = ha->fw_dump_tmplt_size;
mbox_cmd[5] = 0;
status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
&mbox_sts[0]);
if (status != QLA_SUCCESS) {
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: %s: Cmd = %08X, mbx[0] = 0x%04x, mbx[1] = 0x%04x\n",
ha->host_no, __func__, mbox_cmd[0],
mbox_sts[0], mbox_sts[1]));
}
return status;
}
/**
* qla4xxx_req_template_size - Get minidump template size from firmware.
* @ha: Pointer to host adapter structure.
**/
int qla4xxx_req_template_size(struct scsi_qla_host *ha)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
int status;
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
mbox_cmd[0] = MBOX_CMD_MINIDUMP;
mbox_cmd[1] = MINIDUMP_GET_SIZE_SUBCOMMAND;
status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0],
&mbox_sts[0]);
if (status == QLA_SUCCESS) {
ha->fw_dump_tmplt_size = mbox_sts[1];
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: sts[0]=0x%04x, template size=0x%04x, size_cm_02=0x%04x, size_cm_04=0x%04x, size_cm_08=0x%04x, size_cm_10=0x%04x, size_cm_FF=0x%04x, version=0x%04x\n",
__func__, mbox_sts[0], mbox_sts[1],
mbox_sts[2], mbox_sts[3], mbox_sts[4],
mbox_sts[5], mbox_sts[6], mbox_sts[7]));
if (ha->fw_dump_tmplt_size == 0)
status = QLA_ERROR;
} else {
ql4_printk(KERN_WARNING, ha,
"%s: Error sts[0]=0x%04x, mbx[1]=0x%04x\n",
__func__, mbox_sts[0], mbox_sts[1]);
status = QLA_ERROR;
}
return status;
}
void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
{
set_bit(AF_FW_RECOVERY, &ha->flags);

738
drivers/scsi/qla4xxx/ql4_nx.c
View file

@ -7,6 +7,7 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/pci.h>
#include <linux/ratelimit.h>
#include "ql4_def.h"
#include "ql4_glbl.h"
@ -420,6 +421,38 @@ qla4_8xxx_rd_32(struct scsi_qla_host *ha, ulong off)
return data;
}
/* Minidump related functions */
static int qla4_8xxx_md_rw_32(struct scsi_qla_host *ha, uint32_t off,
u32 data, uint8_t flag)
{
uint32_t win_read, off_value, rval = QLA_SUCCESS;
off_value = off & 0xFFFF0000;
writel(off_value, (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
/* Read back value to make sure write has gone through before trying
* to use it.
*/
win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
if (win_read != off_value) {
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: Written (0x%x) != Read (0x%x), off=0x%x\n",
__func__, off_value, win_read, off));
return QLA_ERROR;
}
off_value = off & 0x0000FFFF;
if (flag)
writel(data, (void __iomem *)(off_value + CRB_INDIRECT_2M +
ha->nx_pcibase));
else
rval = readl((void __iomem *)(off_value + CRB_INDIRECT_2M +
ha->nx_pcibase));
return rval;
}
#define CRB_WIN_LOCK_TIMEOUT 100000000
int qla4_8xxx_crb_win_lock(struct scsi_qla_host *ha)
@ -1252,9 +1285,9 @@ qla4_8xxx_pci_mem_read_2M(struct scsi_qla_host *ha,
}
if (j >= MAX_CTL_CHECK) {
if (printk_ratelimit())
ql4_printk(KERN_ERR, ha,
"failed to read through agent\n");
printk_ratelimited(KERN_ERR
"%s: failed to read through agent\n",
__func__);
break;
}
@ -1390,7 +1423,8 @@ qla4_8xxx_pci_mem_write_2M(struct scsi_qla_host *ha,
if (j >= MAX_CTL_CHECK) {
if (printk_ratelimit())
ql4_printk(KERN_ERR, ha,
"failed to write through agent\n");
"%s: failed to read through agent\n",
__func__);
ret = -1;
break;
}
@ -1462,6 +1496,8 @@ qla4_8xxx_set_drv_active(struct scsi_qla_host *ha)
drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
drv_active |= (1 << (ha->func_num * 4));
ql4_printk(KERN_INFO, ha, "%s(%ld): drv_active: 0x%08x\n",
__func__, ha->host_no, drv_active);
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
}
@ -1472,6 +1508,8 @@ qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha)
drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
drv_active &= ~(1 << (ha->func_num * 4));
ql4_printk(KERN_INFO, ha, "%s(%ld): drv_active: 0x%08x\n",
__func__, ha->host_no, drv_active);
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
}
@ -1497,6 +1535,8 @@ qla4_8xxx_set_rst_ready(struct scsi_qla_host *ha)
drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
drv_state |= (1 << (ha->func_num * 4));
ql4_printk(KERN_INFO, ha, "%s(%ld): drv_state: 0x%08x\n",
__func__, ha->host_no, drv_state);
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
}
@ -1507,6 +1547,8 @@ qla4_8xxx_clear_rst_ready(struct scsi_qla_host *ha)
drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
drv_state &= ~(1 << (ha->func_num * 4));
ql4_printk(KERN_INFO, ha, "%s(%ld): drv_state: 0x%08x\n",
__func__, ha->host_no, drv_state);
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
}
@ -1601,6 +1643,629 @@ static void qla4_8xxx_rom_lock_recovery(struct scsi_qla_host *ha)
qla4_8xxx_rom_unlock(ha);
}
static void qla4_8xxx_minidump_process_rdcrb(struct scsi_qla_host *ha,
struct qla82xx_minidump_entry_hdr *entry_hdr,
uint32_t **d_ptr)
{
uint32_t r_addr, r_stride, loop_cnt, i, r_value;
struct qla82xx_minidump_entry_crb *crb_hdr;
uint32_t *data_ptr = *d_ptr;
DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
crb_hdr = (struct qla82xx_minidump_entry_crb *)entry_hdr;
r_addr = crb_hdr->addr;
r_stride = crb_hdr->crb_strd.addr_stride;
loop_cnt = crb_hdr->op_count;
for (i = 0; i < loop_cnt; i++) {
r_value = qla4_8xxx_md_rw_32(ha, r_addr, 0, 0);
*data_ptr++ = cpu_to_le32(r_addr);
*data_ptr++ = cpu_to_le32(r_value);
r_addr += r_stride;
}
*d_ptr = data_ptr;
}
static int qla4_8xxx_minidump_process_l2tag(struct scsi_qla_host *ha,
struct qla82xx_minidump_entry_hdr *entry_hdr,
uint32_t **d_ptr)
{
uint32_t addr, r_addr, c_addr, t_r_addr;
uint32_t i, k, loop_count, t_value, r_cnt, r_value;
unsigned long p_wait, w_time, p_mask;
uint32_t c_value_w, c_value_r;
struct qla82xx_minidump_entry_cache *cache_hdr;
int rval = QLA_ERROR;
uint32_t *data_ptr = *d_ptr;
DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
cache_hdr = (struct qla82xx_minidump_entry_cache *)entry_hdr;
loop_count = cache_hdr->op_count;
r_addr = cache_hdr->read_addr;
c_addr = cache_hdr->control_addr;
c_value_w = cache_hdr->cache_ctrl.write_value;
t_r_addr = cache_hdr->tag_reg_addr;
t_value = cache_hdr->addr_ctrl.init_tag_value;
r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
p_wait = cache_hdr->cache_ctrl.poll_wait;
p_mask = cache_hdr->cache_ctrl.poll_mask;
for (i = 0; i < loop_count; i++) {
qla4_8xxx_md_rw_32(ha, t_r_addr, t_value, 1);
if (c_value_w)
qla4_8xxx_md_rw_32(ha, c_addr, c_value_w, 1);
if (p_mask) {
w_time = jiffies + p_wait;
do {
c_value_r = qla4_8xxx_md_rw_32(ha, c_addr,
0, 0);
if ((c_value_r & p_mask) == 0) {
break;
} else if (time_after_eq(jiffies, w_time)) {
/* capturing dump failed */
return rval;
}
} while (1);
}
addr = r_addr;
for (k = 0; k < r_cnt; k++) {
r_value = qla4_8xxx_md_rw_32(ha, addr, 0, 0);
*data_ptr++ = cpu_to_le32(r_value);
addr += cache_hdr->read_ctrl.read_addr_stride;
}
t_value += cache_hdr->addr_ctrl.tag_value_stride;
}
*d_ptr = data_ptr;
return QLA_SUCCESS;
}
static int qla4_8xxx_minidump_process_control(struct scsi_qla_host *ha,
struct qla82xx_minidump_entry_hdr *entry_hdr)
{
struct qla82xx_minidump_entry_crb *crb_entry;
uint32_t read_value, opcode, poll_time, addr, index, rval = QLA_SUCCESS;
uint32_t crb_addr;
unsigned long wtime;
struct qla4_8xxx_minidump_template_hdr *tmplt_hdr;
int i;
DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *)
ha->fw_dump_tmplt_hdr;
crb_entry = (struct qla82xx_minidump_entry_crb *)entry_hdr;
crb_addr = crb_entry->addr;
for (i = 0; i < crb_entry->op_count; i++) {
opcode = crb_entry->crb_ctrl.opcode;
if (opcode & QLA82XX_DBG_OPCODE_WR) {
qla4_8xxx_md_rw_32(ha, crb_addr,
crb_entry->value_1, 1);
opcode &= ~QLA82XX_DBG_OPCODE_WR;
}
if (opcode & QLA82XX_DBG_OPCODE_RW) {
read_value = qla4_8xxx_md_rw_32(ha, crb_addr, 0, 0);
qla4_8xxx_md_rw_32(ha, crb_addr, read_value, 1);
opcode &= ~QLA82XX_DBG_OPCODE_RW;
}
if (opcode & QLA82XX_DBG_OPCODE_AND) {
read_value = qla4_8xxx_md_rw_32(ha, crb_addr, 0, 0);
read_value &= crb_entry->value_2;
opcode &= ~QLA82XX_DBG_OPCODE_AND;
if (opcode & QLA82XX_DBG_OPCODE_OR) {
read_value |= crb_entry->value_3;
opcode &= ~QLA82XX_DBG_OPCODE_OR;
}
qla4_8xxx_md_rw_32(ha, crb_addr, read_value, 1);
}
if (opcode & QLA82XX_DBG_OPCODE_OR) {
read_value = qla4_8xxx_md_rw_32(ha, crb_addr, 0, 0);
read_value |= crb_entry->value_3;
qla4_8xxx_md_rw_32(ha, crb_addr, read_value, 1);
opcode &= ~QLA82XX_DBG_OPCODE_OR;
}
if (opcode & QLA82XX_DBG_OPCODE_POLL) {
poll_time = crb_entry->crb_strd.poll_timeout;
wtime = jiffies + poll_time;
read_value = qla4_8xxx_md_rw_32(ha, crb_addr, 0, 0);
do {
if ((read_value & crb_entry->value_2) ==
crb_entry->value_1)
break;
else if (time_after_eq(jiffies, wtime)) {
/* capturing dump failed */
rval = QLA_ERROR;
break;
} else
read_value = qla4_8xxx_md_rw_32(ha,
crb_addr, 0, 0);
} while (1);
opcode &= ~QLA82XX_DBG_OPCODE_POLL;
}
if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) {
if (crb_entry->crb_strd.state_index_a) {
index = crb_entry->crb_strd.state_index_a;
addr = tmplt_hdr->saved_state_array[index];
} else {
addr = crb_addr;
}
read_value = qla4_8xxx_md_rw_32(ha, addr, 0, 0);
index = crb_entry->crb_ctrl.state_index_v;
tmplt_hdr->saved_state_array[index] = read_value;
opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE;
}
if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) {
if (crb_entry->crb_strd.state_index_a) {
index = crb_entry->crb_strd.state_index_a;
addr = tmplt_hdr->saved_state_array[index];
} else {
addr = crb_addr;
}
if (crb_entry->crb_ctrl.state_index_v) {
index = crb_entry->crb_ctrl.state_index_v;
read_value =
tmplt_hdr->saved_state_array[index];
} else {
read_value = crb_entry->value_1;
}
qla4_8xxx_md_rw_32(ha, addr, read_value, 1);
opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE;
}
if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) {
index = crb_entry->crb_ctrl.state_index_v;
read_value = tmplt_hdr->saved_state_array[index];
read_value <<= crb_entry->crb_ctrl.shl;
read_value >>= crb_entry->crb_ctrl.shr;
if (crb_entry->value_2)
read_value &= crb_entry->value_2;
read_value |= crb_entry->value_3;
read_value += crb_entry->value_1;
tmplt_hdr->saved_state_array[index] = read_value;
opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE;
}
crb_addr += crb_entry->crb_strd.addr_stride;
}
DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s\n", __func__));
return rval;
}
static void qla4_8xxx_minidump_process_rdocm(struct scsi_qla_host *ha,
struct qla82xx_minidump_entry_hdr *entry_hdr,
uint32_t **d_ptr)
{
uint32_t r_addr, r_stride, loop_cnt, i, r_value;
struct qla82xx_minidump_entry_rdocm *ocm_hdr;
uint32_t *data_ptr = *d_ptr;
DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
ocm_hdr = (struct qla82xx_minidump_entry_rdocm *)entry_hdr;
r_addr = ocm_hdr->read_addr;
r_stride = ocm_hdr->read_addr_stride;
loop_cnt = ocm_hdr->op_count;
DEBUG2(ql4_printk(KERN_INFO, ha,
"[%s]: r_addr: 0x%x, r_stride: 0x%x, loop_cnt: 0x%x\n",
__func__, r_addr, r_stride, loop_cnt));
for (i = 0; i < loop_cnt; i++) {
r_value = readl((void __iomem *)(r_addr + ha->nx_pcibase));
*data_ptr++ = cpu_to_le32(r_value);
r_addr += r_stride;
}
DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s datacount: 0x%lx\n",
__func__, (loop_cnt * sizeof(uint32_t))));
*d_ptr = data_ptr;
}
static void qla4_8xxx_minidump_process_rdmux(struct scsi_qla_host *ha,
struct qla82xx_minidump_entry_hdr *entry_hdr,
uint32_t **d_ptr)
{
uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value;
struct qla82xx_minidump_entry_mux *mux_hdr;
uint32_t *data_ptr = *d_ptr;
DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
mux_hdr = (struct qla82xx_minidump_entry_mux *)entry_hdr;
r_addr = mux_hdr->read_addr;
s_addr = mux_hdr->select_addr;
s_stride = mux_hdr->select_value_stride;
s_value = mux_hdr->select_value;
loop_cnt = mux_hdr->op_count;
for (i = 0; i < loop_cnt; i++) {
qla4_8xxx_md_rw_32(ha, s_addr, s_value, 1);
r_value = qla4_8xxx_md_rw_32(ha, r_addr, 0, 0);
*data_ptr++ = cpu_to_le32(s_value);
*data_ptr++ = cpu_to_le32(r_value);
s_value += s_stride;
}
*d_ptr = data_ptr;
}
static void qla4_8xxx_minidump_process_l1cache(struct scsi_qla_host *ha,
struct qla82xx_minidump_entry_hdr *entry_hdr,
uint32_t **d_ptr)
{
uint32_t addr, r_addr, c_addr, t_r_addr;
uint32_t i, k, loop_count, t_value, r_cnt, r_value;
uint32_t c_value_w;
struct qla82xx_minidump_entry_cache *cache_hdr;
uint32_t *data_ptr = *d_ptr;
cache_hdr = (struct qla82xx_minidump_entry_cache *)entry_hdr;
loop_count = cache_hdr->op_count;
r_addr = cache_hdr->read_addr;
c_addr = cache_hdr->control_addr;
c_value_w = cache_hdr->cache_ctrl.write_value;
t_r_addr = cache_hdr->tag_reg_addr;
t_value = cache_hdr->addr_ctrl.init_tag_value;
r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
for (i = 0; i < loop_count; i++) {
qla4_8xxx_md_rw_32(ha, t_r_addr, t_value, 1);
qla4_8xxx_md_rw_32(ha, c_addr, c_value_w, 1);
addr = r_addr;
for (k = 0; k < r_cnt; k++) {
r_value = qla4_8xxx_md_rw_32(ha, addr, 0, 0);
*data_ptr++ = cpu_to_le32(r_value);
addr += cache_hdr->read_ctrl.read_addr_stride;
}
t_value += cache_hdr->addr_ctrl.tag_value_stride;
}
*d_ptr = data_ptr;
}
static void qla4_8xxx_minidump_process_queue(struct scsi_qla_host *ha,
struct qla82xx_minidump_entry_hdr *entry_hdr,
uint32_t **d_ptr)
{
uint32_t s_addr, r_addr;
uint32_t r_stride, r_value, r_cnt, qid = 0;
uint32_t i, k, loop_cnt;
struct qla82xx_minidump_entry_queue *q_hdr;
uint32_t *data_ptr = *d_ptr;
DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
q_hdr = (struct qla82xx_minidump_entry_queue *)entry_hdr;
s_addr = q_hdr->select_addr;
r_cnt = q_hdr->rd_strd.read_addr_cnt;
r_stride = q_hdr->rd_strd.read_addr_stride;
loop_cnt = q_hdr->op_count;
for (i = 0; i < loop_cnt; i++) {
qla4_8xxx_md_rw_32(ha, s_addr, qid, 1);
r_addr = q_hdr->read_addr;
for (k = 0; k < r_cnt; k++) {
r_value = qla4_8xxx_md_rw_32(ha, r_addr, 0, 0);
*data_ptr++ = cpu_to_le32(r_value);
r_addr += r_stride;
}
qid += q_hdr->q_strd.queue_id_stride;
}
*d_ptr = data_ptr;
}
#define MD_DIRECT_ROM_WINDOW 0x42110030
#define MD_DIRECT_ROM_READ_BASE 0x42150000
static void qla4_8xxx_minidump_process_rdrom(struct scsi_qla_host *ha,
struct qla82xx_minidump_entry_hdr *entry_hdr,
uint32_t **d_ptr)
{
uint32_t r_addr, r_value;
uint32_t i, loop_cnt;
struct qla82xx_minidump_entry_rdrom *rom_hdr;
uint32_t *data_ptr = *d_ptr;
DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
rom_hdr = (struct qla82xx_minidump_entry_rdrom *)entry_hdr;
r_addr = rom_hdr->read_addr;
loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t);
DEBUG2(ql4_printk(KERN_INFO, ha,
"[%s]: flash_addr: 0x%x, read_data_size: 0x%x\n",
__func__, r_addr, loop_cnt));
for (i = 0; i < loop_cnt; i++) {
qla4_8xxx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW,
(r_addr & 0xFFFF0000), 1);
r_value = qla4_8xxx_md_rw_32(ha,
MD_DIRECT_ROM_READ_BASE +
(r_addr & 0x0000FFFF), 0, 0);
*data_ptr++ = cpu_to_le32(r_value);
r_addr += sizeof(uint32_t);
}
*d_ptr = data_ptr;
}
#define MD_MIU_TEST_AGT_CTRL 0x41000090
#define MD_MIU_TEST_AGT_ADDR_LO 0x41000094
#define MD_MIU_TEST_AGT_ADDR_HI 0x41000098
static int qla4_8xxx_minidump_process_rdmem(struct scsi_qla_host *ha,
struct qla82xx_minidump_entry_hdr *entry_hdr,
uint32_t **d_ptr)
{
uint32_t r_addr, r_value, r_data;
uint32_t i, j, loop_cnt;
struct qla82xx_minidump_entry_rdmem *m_hdr;
unsigned long flags;
uint32_t *data_ptr = *d_ptr;
DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
m_hdr = (struct qla82xx_minidump_entry_rdmem *)entry_hdr;
r_addr = m_hdr->read_addr;
loop_cnt = m_hdr->read_data_size/16;
DEBUG2(ql4_printk(KERN_INFO, ha,
"[%s]: Read addr: 0x%x, read_data_size: 0x%x\n",
__func__, r_addr, m_hdr->read_data_size));
if (r_addr & 0xf) {
DEBUG2(ql4_printk(KERN_INFO, ha,
"[%s]: Read addr 0x%x not 16 bytes alligned\n",
__func__, r_addr));
return QLA_ERROR;
}
if (m_hdr->read_data_size % 16) {
DEBUG2(ql4_printk(KERN_INFO, ha,
"[%s]: Read data[0x%x] not multiple of 16 bytes\n",
__func__, m_hdr->read_data_size));
return QLA_ERROR;
}
DEBUG2(ql4_printk(KERN_INFO, ha,
"[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n",
__func__, r_addr, m_hdr->read_data_size, loop_cnt));
write_lock_irqsave(&ha->hw_lock, flags);
for (i = 0; i < loop_cnt; i++) {
qla4_8xxx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1);
r_value = 0;
qla4_8xxx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1);
r_value = MIU_TA_CTL_ENABLE;
qla4_8xxx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
qla4_8xxx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
for (j = 0; j < MAX_CTL_CHECK; j++) {
r_value = qla4_8xxx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL,
0, 0);
if ((r_value & MIU_TA_CTL_BUSY) == 0)
break;
}
if (j >= MAX_CTL_CHECK) {
printk_ratelimited(KERN_ERR
"%s: failed to read through agent\n",
__func__);
write_unlock_irqrestore(&ha->hw_lock, flags);
return QLA_SUCCESS;
}
for (j = 0; j < 4; j++) {
r_data = qla4_8xxx_md_rw_32(ha,
MD_MIU_TEST_AGT_RDDATA[j],
0, 0);
*data_ptr++ = cpu_to_le32(r_data);
}
r_addr += 16;
}
write_unlock_irqrestore(&ha->hw_lock, flags);
DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s datacount: 0x%x\n",
__func__, (loop_cnt * 16)));
*d_ptr = data_ptr;
return QLA_SUCCESS;
}
static void ql4_8xxx_mark_entry_skipped(struct scsi_qla_host *ha,
struct qla82xx_minidump_entry_hdr *entry_hdr,
int index)
{
entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG;
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi(%ld): Skipping entry[%d]: ETYPE[0x%x]-ELEVEL[0x%x]\n",
ha->host_no, index, entry_hdr->entry_type,
entry_hdr->d_ctrl.entry_capture_mask));
}
/**
* qla82xx_collect_md_data - Retrieve firmware minidump data.
* @ha: pointer to adapter structure
**/
static int qla4_8xxx_collect_md_data(struct scsi_qla_host *ha)
{
int num_entry_hdr = 0;
struct qla82xx_minidump_entry_hdr *entry_hdr;
struct qla4_8xxx_minidump_template_hdr *tmplt_hdr;
uint32_t *data_ptr;
uint32_t data_collected = 0;
int i, rval = QLA_ERROR;
uint64_t now;
uint32_t timestamp;
if (!ha->fw_dump) {
ql4_printk(KERN_INFO, ha, "%s(%ld) No buffer to dump\n",
__func__, ha->host_no);
return rval;
}
tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *)
ha->fw_dump_tmplt_hdr;
data_ptr = (uint32_t *)((uint8_t *)ha->fw_dump +
ha->fw_dump_tmplt_size);
data_collected += ha->fw_dump_tmplt_size;
num_entry_hdr = tmplt_hdr->num_of_entries;
ql4_printk(KERN_INFO, ha, "[%s]: starting data ptr: %p\n",
__func__, data_ptr);
ql4_printk(KERN_INFO, ha,
"[%s]: no of entry headers in Template: 0x%x\n",
__func__, num_entry_hdr);
ql4_printk(KERN_INFO, ha, "[%s]: Capture Mask obtained: 0x%x\n",
__func__, ha->fw_dump_capture_mask);
ql4_printk(KERN_INFO, ha, "[%s]: Total_data_size 0x%x, %d obtained\n",
__func__, ha->fw_dump_size, ha->fw_dump_size);
/* Update current timestamp before taking dump */
now = get_jiffies_64();
timestamp = (u32)(jiffies_to_msecs(now) / 1000);
tmplt_hdr->driver_timestamp = timestamp;
entry_hdr = (struct qla82xx_minidump_entry_hdr *)
(((uint8_t *)ha->fw_dump_tmplt_hdr) +
tmplt_hdr->first_entry_offset);
/* Walk through the entry headers - validate/perform required action */
for (i = 0; i < num_entry_hdr; i++) {
if (data_collected >= ha->fw_dump_size) {
ql4_printk(KERN_INFO, ha,
"Data collected: [0x%x], Total Dump size: [0x%x]\n",
data_collected, ha->fw_dump_size);
return rval;
}
if (!(entry_hdr->d_ctrl.entry_capture_mask &
ha->fw_dump_capture_mask)) {
entry_hdr->d_ctrl.driver_flags |=
QLA82XX_DBG_SKIPPED_FLAG;
goto skip_nxt_entry;
}
DEBUG2(ql4_printk(KERN_INFO, ha,
"Data collected: [0x%x], Dump size left:[0x%x]\n",
data_collected,
(ha->fw_dump_size - data_collected)));
/* Decode the entry type and take required action to capture
* debug data
*/
switch (entry_hdr->entry_type) {
case QLA82XX_RDEND:
ql4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
break;
case QLA82XX_CNTRL:
rval = qla4_8xxx_minidump_process_control(ha,
entry_hdr);
if (rval != QLA_SUCCESS) {
ql4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
goto md_failed;
}
break;
case QLA82XX_RDCRB:
qla4_8xxx_minidump_process_rdcrb(ha, entry_hdr,
&data_ptr);
break;
case QLA82XX_RDMEM:
rval = qla4_8xxx_minidump_process_rdmem(ha, entry_hdr,
&data_ptr);
if (rval != QLA_SUCCESS) {
ql4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
goto md_failed;
}
break;
case QLA82XX_BOARD:
case QLA82XX_RDROM:
qla4_8xxx_minidump_process_rdrom(ha, entry_hdr,
&data_ptr);
break;
case QLA82XX_L2DTG:
case QLA82XX_L2ITG:
case QLA82XX_L2DAT:
case QLA82XX_L2INS:
rval = qla4_8xxx_minidump_process_l2tag(ha, entry_hdr,
&data_ptr);
if (rval != QLA_SUCCESS) {
ql4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
goto md_failed;
}
break;
case QLA82XX_L1DAT:
case QLA82XX_L1INS:
qla4_8xxx_minidump_process_l1cache(ha, entry_hdr,
&data_ptr);
break;
case QLA82XX_RDOCM:
qla4_8xxx_minidump_process_rdocm(ha, entry_hdr,
&data_ptr);
break;
case QLA82XX_RDMUX:
qla4_8xxx_minidump_process_rdmux(ha, entry_hdr,
&data_ptr);
break;
case QLA82XX_QUEUE:
qla4_8xxx_minidump_process_queue(ha, entry_hdr,
&data_ptr);
break;
case QLA82XX_RDNOP:
default:
ql4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
break;
}
data_collected = (uint8_t *)data_ptr -
((uint8_t *)((uint8_t *)ha->fw_dump +
ha->fw_dump_tmplt_size));
skip_nxt_entry:
/* next entry in the template */
entry_hdr = (struct qla82xx_minidump_entry_hdr *)
(((uint8_t *)entry_hdr) +
entry_hdr->entry_size);
}
if ((data_collected + ha->fw_dump_tmplt_size) != ha->fw_dump_size) {
ql4_printk(KERN_INFO, ha,
"Dump data mismatch: Data collected: [0x%x], total_data_size:[0x%x]\n",
data_collected, ha->fw_dump_size);
goto md_failed;
}
DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s Last entry: 0x%x\n",
__func__, i));
md_failed:
return rval;
}
/**
* qla4_8xxx_uevent_emit - Send uevent when the firmware dump is ready.
* @ha: pointer to adapter structure
**/
static void qla4_8xxx_uevent_emit(struct scsi_qla_host *ha, u32 code)
{
char event_string[40];
char *envp[] = { event_string, NULL };
switch (code) {
case QL4_UEVENT_CODE_FW_DUMP:
snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
ha->host_no);
break;
default:
/*do nothing*/
break;
}
kobject_uevent_env(&(&ha->pdev->dev)->kobj, KOBJ_CHANGE, envp);
}
/**
* qla4_8xxx_device_bootstrap - Initialize device, set DEV_READY, start fw
* @ha: pointer to adapter structure
@ -1659,6 +2324,15 @@ dev_initialize:
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION);
qla4_8xxx_idc_unlock(ha);
if (ql4xenablemd && test_bit(AF_FW_RECOVERY, &ha->flags) &&
!test_and_set_bit(AF_82XX_FW_DUMPED, &ha->flags)) {
if (!qla4_8xxx_collect_md_data(ha)) {
qla4_8xxx_uevent_emit(ha, QL4_UEVENT_CODE_FW_DUMP);
} else {
ql4_printk(KERN_INFO, ha, "Unable to collect minidump\n");
clear_bit(AF_82XX_FW_DUMPED, &ha->flags);
}
}
rval = qla4_8xxx_try_start_fw(ha);
qla4_8xxx_idc_lock(ha);
@ -1686,6 +2360,7 @@ static void
qla4_8xxx_need_reset_handler(struct scsi_qla_host *ha)
{
uint32_t dev_state, drv_state, drv_active;
uint32_t active_mask = 0xFFFFFFFF;
unsigned long reset_timeout;
ql4_printk(KERN_INFO, ha,
@ -1697,7 +2372,14 @@ qla4_8xxx_need_reset_handler(struct scsi_qla_host *ha)
qla4_8xxx_idc_lock(ha);
}
qla4_8xxx_set_rst_ready(ha);
if (!test_bit(AF_82XX_RST_OWNER, &ha->flags)) {
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s(%ld): reset acknowledged\n",
__func__, ha->host_no));
qla4_8xxx_set_rst_ready(ha);
} else {
active_mask = (~(1 << (ha->func_num * 4)));
}
/* wait for 10 seconds for reset ack from all functions */
reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
@ -1709,12 +2391,24 @@ qla4_8xxx_need_reset_handler(struct scsi_qla_host *ha)
"%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n",
__func__, ha->host_no, drv_state, drv_active);
while (drv_state != drv_active) {
while (drv_state != (drv_active & active_mask)) {
if (time_after_eq(jiffies, reset_timeout)) {
printk("%s: RESET TIMEOUT!\n", DRIVER_NAME);
ql4_printk(KERN_INFO, ha,
"%s: RESET TIMEOUT! drv_state: 0x%08x, drv_active: 0x%08x\n",
DRIVER_NAME, drv_state, drv_active);
break;
}
/*
* When reset_owner times out, check which functions
* acked/did not ack
*/
if (test_bit(AF_82XX_RST_OWNER, &ha->flags)) {
ql4_printk(KERN_INFO, ha,
"%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n",
__func__, ha->host_no, drv_state,
drv_active);
}
qla4_8xxx_idc_unlock(ha);
msleep(1000);
qla4_8xxx_idc_lock(ha);
@ -1723,14 +2417,18 @@ qla4_8xxx_need_reset_handler(struct scsi_qla_host *ha)
drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
}
/* Clear RESET OWNER as we are not going to use it any further */
clear_bit(AF_82XX_RST_OWNER, &ha->flags);
dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
ql4_printk(KERN_INFO, ha, "3:Device state is 0x%x = %s\n", dev_state,
dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n", dev_state,
dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
/* Force to DEV_COLD unless someone else is starting a reset */
if (dev_state != QLA82XX_DEV_INITIALIZING) {
ql4_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n");
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD);
qla4_8xxx_set_rst_ready(ha);
}
}
@ -1765,8 +2463,9 @@ int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha)
}
dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
ql4_printk(KERN_INFO, ha, "1:Device state is 0x%x = %s\n", dev_state,
dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
DEBUG2(ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n",
dev_state, dev_state < MAX_STATES ?
qdev_state[dev_state] : "Unknown"));
/* wait for 30 seconds for device to go ready */
dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
@ -1775,15 +2474,19 @@ int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha)
while (1) {
if (time_after_eq(jiffies, dev_init_timeout)) {
ql4_printk(KERN_WARNING, ha, "Device init failed!\n");
ql4_printk(KERN_WARNING, ha,
"%s: Device Init Failed 0x%x = %s\n",
DRIVER_NAME,
dev_state, dev_state < MAX_STATES ?
qdev_state[dev_state] : "Unknown");
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
QLA82XX_DEV_FAILED);
}
dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
ql4_printk(KERN_INFO, ha,
"2:Device state is 0x%x = %s\n", dev_state,
dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n",
dev_state, dev_state < MAX_STATES ?
qdev_state[dev_state] : "Unknown");
/* NOTE: Make sure idc unlocked upon exit of switch statement */
switch (dev_state) {
@ -2184,6 +2887,7 @@ qla4_8xxx_isp_reset(struct scsi_qla_host *ha)
ql4_printk(KERN_INFO, ha, "HW State: NEED RESET\n");
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
QLA82XX_DEV_NEED_RESET);
set_bit(AF_82XX_RST_OWNER, &ha->flags);
} else
ql4_printk(KERN_INFO, ha, "HW State: DEVICE INITIALIZING\n");
@ -2195,8 +2899,10 @@ qla4_8xxx_isp_reset(struct scsi_qla_host *ha)
qla4_8xxx_clear_rst_ready(ha);
qla4_8xxx_idc_unlock(ha);
if (rval == QLA_SUCCESS)
if (rval == QLA_SUCCESS) {
ql4_printk(KERN_INFO, ha, "Clearing AF_RECOVERY in qla4_8xxx_isp_reset\n");
clear_bit(AF_FW_RECOVERY, &ha->flags);
}
return rval;
}

192
drivers/scsi/qla4xxx/ql4_nx.h
View file

@ -792,4 +792,196 @@ struct crb_addr_pair {
#define MIU_TEST_AGT_WRDATA_UPPER_LO (0x0b0)
#define MIU_TEST_AGT_WRDATA_UPPER_HI (0x0b4)
/* Minidump related */
/* Entry Type Defines */
#define QLA82XX_RDNOP 0
#define QLA82XX_RDCRB 1
#define QLA82XX_RDMUX 2
#define QLA82XX_QUEUE 3
#define QLA82XX_BOARD 4
#define QLA82XX_RDOCM 6
#define QLA82XX_PREGS 7
#define QLA82XX_L1DTG 8
#define QLA82XX_L1ITG 9
#define QLA82XX_L1DAT 11
#define QLA82XX_L1INS 12
#define QLA82XX_L2DTG 21
#define QLA82XX_L2ITG 22
#define QLA82XX_L2DAT 23
#define QLA82XX_L2INS 24
#define QLA82XX_RDROM 71
#define QLA82XX_RDMEM 72
#define QLA82XX_CNTRL 98
#define QLA82XX_RDEND 255
/* Opcodes for Control Entries.
* These Flags are bit fields.
*/
#define QLA82XX_DBG_OPCODE_WR 0x01
#define QLA82XX_DBG_OPCODE_RW 0x02
#define QLA82XX_DBG_OPCODE_AND 0x04
#define QLA82XX_DBG_OPCODE_OR 0x08
#define QLA82XX_DBG_OPCODE_POLL 0x10
#define QLA82XX_DBG_OPCODE_RDSTATE 0x20
#define QLA82XX_DBG_OPCODE_WRSTATE 0x40
#define QLA82XX_DBG_OPCODE_MDSTATE 0x80
/* Driver Flags */
#define QLA82XX_DBG_SKIPPED_FLAG 0x80 /* driver skipped this entry */
#define QLA82XX_DBG_SIZE_ERR_FLAG 0x40 /* Entry vs Capture size
* mismatch */
/* Driver_code is for driver to write some info about the entry
* currently not used.
*/
struct qla82xx_minidump_entry_hdr {
uint32_t entry_type;
uint32_t entry_size;
uint32_t entry_capture_size;
struct {
uint8_t entry_capture_mask;
uint8_t entry_code;
uint8_t driver_code;
uint8_t driver_flags;
} d_ctrl;
};
/* Read CRB entry header */
struct qla82xx_minidump_entry_crb {
struct qla82xx_minidump_entry_hdr h;
uint32_t addr;
struct {
uint8_t addr_stride;
uint8_t state_index_a;
uint16_t poll_timeout;
} crb_strd;
uint32_t data_size;
uint32_t op_count;
struct {
uint8_t opcode;
uint8_t state_index_v;
uint8_t shl;
uint8_t shr;
} crb_ctrl;
uint32_t value_1;
uint32_t value_2;
uint32_t value_3;
};
struct qla82xx_minidump_entry_cache {
struct qla82xx_minidump_entry_hdr h;
uint32_t tag_reg_addr;
struct {
uint16_t tag_value_stride;
uint16_t init_tag_value;
} addr_ctrl;
uint32_t data_size;
uint32_t op_count;
uint32_t control_addr;
struct {
uint16_t write_value;
uint8_t poll_mask;
uint8_t poll_wait;
} cache_ctrl;
uint32_t read_addr;
struct {
uint8_t read_addr_stride;
uint8_t read_addr_cnt;
uint16_t rsvd_1;
} read_ctrl;
};
/* Read OCM */
struct qla82xx_minidump_entry_rdocm {
struct qla82xx_minidump_entry_hdr h;
uint32_t rsvd_0;
uint32_t rsvd_1;
uint32_t data_size;
uint32_t op_count;
uint32_t rsvd_2;
uint32_t rsvd_3;
uint32_t read_addr;
uint32_t read_addr_stride;
};
/* Read Memory */
struct qla82xx_minidump_entry_rdmem {
struct qla82xx_minidump_entry_hdr h;
uint32_t rsvd[6];
uint32_t read_addr;
uint32_t read_data_size;
};
/* Read ROM */
struct qla82xx_minidump_entry_rdrom {
struct qla82xx_minidump_entry_hdr h;
uint32_t rsvd[6];
uint32_t read_addr;
uint32_t read_data_size;
};
/* Mux entry */
struct qla82xx_minidump_entry_mux {
struct qla82xx_minidump_entry_hdr h;
uint32_t select_addr;
uint32_t rsvd_0;
uint32_t data_size;
uint32_t op_count;
uint32_t select_value;
uint32_t select_value_stride;
uint32_t read_addr;
uint32_t rsvd_1;
};
/* Queue entry */
struct qla82xx_minidump_entry_queue {
struct qla82xx_minidump_entry_hdr h;
uint32_t select_addr;
struct {
uint16_t queue_id_stride;
uint16_t rsvd_0;
} q_strd;
uint32_t data_size;
uint32_t op_count;
uint32_t rsvd_1;
uint32_t rsvd_2;
uint32_t read_addr;
struct {
uint8_t read_addr_stride;
uint8_t read_addr_cnt;
uint16_t rsvd_3;
} rd_strd;
};
#define QLA82XX_MINIDUMP_OCM0_SIZE (256 * 1024)
#define QLA82XX_MINIDUMP_L1C_SIZE (256 * 1024)
#define QLA82XX_MINIDUMP_L2C_SIZE 1572864
#define QLA82XX_MINIDUMP_COMMON_STR_SIZE 0
#define QLA82XX_MINIDUMP_FCOE_STR_SIZE 0
#define QLA82XX_MINIDUMP_MEM_SIZE 0
#define QLA82XX_MAX_ENTRY_HDR 4
struct qla82xx_minidump {
uint32_t md_ocm0_data[QLA82XX_MINIDUMP_OCM0_SIZE];
uint32_t md_l1c_data[QLA82XX_MINIDUMP_L1C_SIZE];
uint32_t md_l2c_data[QLA82XX_MINIDUMP_L2C_SIZE];
uint32_t md_cs_data[QLA82XX_MINIDUMP_COMMON_STR_SIZE];
uint32_t md_fcoes_data[QLA82XX_MINIDUMP_FCOE_STR_SIZE];
uint32_t md_mem_data[QLA82XX_MINIDUMP_MEM_SIZE];
};
#define MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE 0x129
#define RQST_TMPLT_SIZE 0x0
#define RQST_TMPLT 0x1
#define MD_DIRECT_ROM_WINDOW 0x42110030
#define MD_DIRECT_ROM_READ_BASE 0x42150000
#define MD_MIU_TEST_AGT_CTRL 0x41000090
#define MD_MIU_TEST_AGT_ADDR_LO 0x41000094
#define MD_MIU_TEST_AGT_ADDR_HI 0x41000098
static const int MD_MIU_TEST_AGT_RDDATA[] = { 0x410000A8,
0x410000AC, 0x410000B8, 0x410000BC };
#endif

22
drivers/scsi/qla4xxx/ql4_os.c
View file

@ -82,6 +82,20 @@ MODULE_PARM_DESC(ql4xsess_recovery_tmo,
" Target Session Recovery Timeout.\n"
"\t\t Default: 120 sec.");
int ql4xmdcapmask = 0x1F;
module_param(ql4xmdcapmask, int, S_IRUGO);
MODULE_PARM_DESC(ql4xmdcapmask,
" Set the Minidump driver capture mask level.\n"
"\t\t Default is 0x1F.\n"
"\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F");
int ql4xenablemd = 1;
module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xenablemd,
" Set to enable minidump.\n"
"\t\t 0 - disable minidump\n"
"\t\t 1 - enable minidump (Default)");
static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
/*
* SCSI host template entry points
@ -2265,6 +2279,9 @@ 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);
ha->queues_len = 0;
ha->queues = NULL;
ha->queues_dma = 0;
@ -2274,6 +2291,8 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha)
ha->response_dma = 0;
ha->shadow_regs = NULL;
ha->shadow_regs_dma = 0;
ha->fw_dump = NULL;
ha->fw_dump_size = 0;
/* Free srb pool. */
if (ha->srb_mempool)
@ -5068,6 +5087,8 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
set_bit(AF_INIT_DONE, &ha->flags);
qla4_8xxx_alloc_sysfs_attr(ha);
printk(KERN_INFO
" QLogic iSCSI HBA Driver version: %s\n"
" QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
@ -5194,6 +5215,7 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev)
iscsi_boot_destroy_kset(ha->boot_kset);
qla4xxx_destroy_fw_ddb_session(ha);
qla4_8xxx_free_sysfs_attr(ha);
scsi_remove_host(ha->host);