[SCSI] qla2xxx: Add support for ISP82xx to capture dump (minidump) on failure.
Minidump allows us to catpure a snapshot of the firmware/hardware states at the
time of failure for further analysis.
[jejb: added missing #include <linux/vmalloc.h>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> ]
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index a31e05f..df0002f 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -23,11 +23,23 @@
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
if (ha->fw_dump_reading == 0)
return 0;
- return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
+ if (IS_QLA82XX(ha)) {
+ if (off < ha->md_template_size) {
+ rval = memory_read_from_buffer(buf, count,
+ &off, ha->md_tmplt_hdr, ha->md_template_size);
+ return rval;
+ }
+ off -= ha->md_template_size;
+ rval = memory_read_from_buffer(buf, count,
+ &off, ha->md_dump, ha->md_dump_size);
+ return rval;
+ } else
+ return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
ha->fw_dump_len);
}
@@ -41,12 +53,6 @@
struct qla_hw_data *ha = vha->hw;
int reading;
- if (IS_QLA82XX(ha)) {
- ql_dbg(ql_dbg_user, vha, 0x705b,
- "Firmware dump not supported for ISP82xx\n");
- return count;
- }
-
if (off != 0)
return (0);
@@ -59,6 +65,10 @@
ql_log(ql_log_info, vha, 0x705d,
"Firmware dump cleared on (%ld).\n", vha->host_no);
+ if (IS_QLA82XX(vha->hw)) {
+ qla82xx_md_free(vha);
+ qla82xx_md_prep(vha);
+ }
ha->fw_dump_reading = 0;
ha->fw_dumped = 0;
break;
@@ -75,7 +85,26 @@
qla2x00_alloc_fw_dump(vha);
break;
case 3:
- qla2x00_system_error(vha);
+ if (IS_QLA82XX(ha)) {
+ qla82xx_idc_lock(ha);
+ qla82xx_set_reset_owner(vha);
+ qla82xx_idc_unlock(ha);
+ } else
+ qla2x00_system_error(vha);
+ break;
+ case 4:
+ if (IS_QLA82XX(ha)) {
+ if (ha->md_tmplt_hdr)
+ ql_dbg(ql_dbg_user, vha, 0x705b,
+ "MiniDump supported with this firmware.\n");
+ else
+ ql_dbg(ql_dbg_user, vha, 0x709d,
+ "MiniDump not supported with this firmware.\n");
+ }
+ break;
+ case 5:
+ if (IS_QLA82XX(ha))
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
}
return (count);
@@ -546,6 +575,11 @@
scsi_block_requests(vha->host);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ if (IS_QLA82XX(ha)) {
+ qla82xx_idc_lock(ha);
+ qla82xx_set_reset_owner(vha);
+ qla82xx_idc_unlock(ha);
+ }
qla2xxx_wake_dpc(vha);
qla2x00_wait_for_chip_reset(vha);
scsi_unblock_requests(vha->host);
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index d79cd8a..238bc91 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -403,7 +403,7 @@
return ptr + sizeof(struct qla2xxx_mq_chain);
}
-static void
+void
qla2xxx_dump_post_process(scsi_qla_host_t *vha, int rval)
{
struct qla_hw_data *ha = vha->hw;
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index a03eaf4..fcf052c 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2438,7 +2438,8 @@
uint32_t quiesce_owner:1;
uint32_t thermal_supported:1;
uint32_t isp82xx_reset_hdlr_active:1;
- /* 26 bits */
+ uint32_t isp82xx_reset_owner:1;
+ /* 28 bits */
} flags;
/* This spinlock is used to protect "io transactions", you must
@@ -2822,6 +2823,12 @@
uint8_t fw_type;
__le32 file_prd_off; /* File firmware product offset */
+
+ uint32_t md_template_size;
+ void *md_tmplt_hdr;
+ dma_addr_t md_tmplt_hdr_dma;
+ void *md_dump;
+ uint32_t md_dump_size;
};
/*
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 29b1a3e..df58e24 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -104,6 +104,8 @@
extern int ql2xtargetreset;
extern int ql2xdontresethba;
extern unsigned int ql2xmaxlun;
+extern int ql2xmdcapmask;
+extern int ql2xmdenable;
extern int qla2x00_loop_reset(scsi_qla_host_t *);
extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
@@ -442,6 +444,7 @@
extern void ql_dump_regs(uint32_t, scsi_qla_host_t *, int32_t);
extern void ql_dump_buffer(uint32_t, scsi_qla_host_t *, int32_t,
uint8_t *, uint32_t);
+extern void qla2xxx_dump_post_process(scsi_qla_host_t *, int);
/*
* Global Function Prototypes in qla_gs.c source file.
@@ -570,6 +573,7 @@
extern void qla82xx_start_iocbs(srb_t *);
extern int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *);
extern void qla82xx_chip_reset_cleanup(scsi_qla_host_t *);
+extern char *qdev_state(uint32_t);
/* BSG related functions */
extern int qla24xx_bsg_request(struct fc_bsg_job *);
@@ -579,4 +583,14 @@
dma_addr_t, size_t, uint32_t);
extern int qla2x00_get_idma_speed(scsi_qla_host_t *, uint16_t,
uint16_t *, uint16_t *);
+
+/* Minidump related functions */
+extern int qla82xx_md_get_template_size(scsi_qla_host_t *);
+extern int qla82xx_md_get_template(scsi_qla_host_t *);
+extern int qla82xx_md_alloc(scsi_qla_host_t *);
+extern void qla82xx_md_free(scsi_qla_host_t *);
+extern int qla82xx_md_collect(scsi_qla_host_t *);
+extern void qla82xx_md_prep(scsi_qla_host_t *);
+extern void qla82xx_set_reset_owner(scsi_qla_host_t *);
+
#endif /* _QLA_GBL_H */
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 37da04d..2375e38 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1503,10 +1503,8 @@
&ha->fw_xcb_count, NULL, NULL,
&ha->max_npiv_vports, NULL);
- if (!fw_major_version && ql2xallocfwdump) {
- if (!IS_QLA82XX(ha))
- qla2x00_alloc_fw_dump(vha);
- }
+ if (!fw_major_version && ql2xallocfwdump)
+ qla2x00_alloc_fw_dump(vha);
}
} else {
ql_log(ql_log_fatal, vha, 0x00cd,
@@ -1924,7 +1922,7 @@
rval = qla84xx_init_chip(vha);
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn,
- vha, 0x8043,
+ vha, 0x8026,
"Init chip failed.\n");
break;
}
@@ -1933,7 +1931,7 @@
cs84xx_time = jiffies - cs84xx_time;
wtime += cs84xx_time;
mtime += cs84xx_time;
- ql_dbg(ql_dbg_taskm, vha, 0x8042,
+ ql_dbg(ql_dbg_taskm, vha, 0x8025,
"Increasing wait time by %ld. "
"New time %ld.\n", cs84xx_time,
wtime);
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index f7604ea..a411374 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -4186,3 +4186,92 @@
return rval;
}
+
+int
+qla82xx_md_get_template_size(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+ int rval = QLA_FUNCTION_FAILED;
+
+ ql_dbg(ql_dbg_mbx, vha, 0x111f, "Entered %s.\n", __func__);
+
+ memset(mcp->mb, 0 , sizeof(mcp->mb));
+ mcp->mb[0] = LSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
+ mcp->mb[1] = MSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
+ mcp->mb[2] = LSW(RQST_TMPLT_SIZE);
+ mcp->mb[3] = MSW(RQST_TMPLT_SIZE);
+
+ mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
+ mcp->in_mb = MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
+ MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
+
+ mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
+ mcp->tov = MBX_TOV_SECONDS;
+ rval = qla2x00_mailbox_command(vha, mcp);
+
+ /* Always copy back return mailbox values. */
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_mbx, vha, 0x1120,
+ "mailbox command FAILED=0x%x, subcode=%x.\n",
+ (mcp->mb[1] << 16) | mcp->mb[0],
+ (mcp->mb[3] << 16) | mcp->mb[2]);
+ } else {
+ ql_dbg(ql_dbg_mbx, vha, 0x1121, "Done %s.\n", __func__);
+ ha->md_template_size = ((mcp->mb[3] << 16) | mcp->mb[2]);
+ if (!ha->md_template_size) {
+ ql_dbg(ql_dbg_mbx, vha, 0x1122,
+ "Null template size obtained.\n");
+ rval = QLA_FUNCTION_FAILED;
+ }
+ }
+ return rval;
+}
+
+int
+qla82xx_md_get_template(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+ int rval = QLA_FUNCTION_FAILED;
+
+ ql_dbg(ql_dbg_mbx, vha, 0x1123, "Entered %s.\n", __func__);
+
+ ha->md_tmplt_hdr = dma_alloc_coherent(&ha->pdev->dev,
+ ha->md_template_size, &ha->md_tmplt_hdr_dma, GFP_KERNEL);
+ if (!ha->md_tmplt_hdr) {
+ ql_log(ql_log_warn, vha, 0x1124,
+ "Unable to allocate memory for Minidump template.\n");
+ return rval;
+ }
+
+ memset(mcp->mb, 0 , sizeof(mcp->mb));
+ mcp->mb[0] = LSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
+ mcp->mb[1] = MSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
+ mcp->mb[2] = LSW(RQST_TMPLT);
+ mcp->mb[3] = MSW(RQST_TMPLT);
+ mcp->mb[4] = LSW(LSD(ha->md_tmplt_hdr_dma));
+ mcp->mb[5] = MSW(LSD(ha->md_tmplt_hdr_dma));
+ mcp->mb[6] = LSW(MSD(ha->md_tmplt_hdr_dma));
+ mcp->mb[7] = MSW(MSD(ha->md_tmplt_hdr_dma));
+ mcp->mb[8] = LSW(ha->md_template_size);
+ mcp->mb[9] = MSW(ha->md_template_size);
+
+ mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
+ mcp->tov = MBX_TOV_SECONDS;
+ mcp->out_mb = MBX_11|MBX_10|MBX_9|MBX_8|
+ MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
+ mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
+ rval = qla2x00_mailbox_command(vha, mcp);
+
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_mbx, vha, 0x1125,
+ "mailbox command FAILED=0x%x, subcode=%x.\n",
+ ((mcp->mb[1] << 16) | mcp->mb[0]),
+ ((mcp->mb[3] << 16) | mcp->mb[2]));
+ } else
+ ql_dbg(ql_dbg_mbx, vha, 0x1126, "Done %s.\n", __func__);
+ return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 049807c..43a0a9a 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -7,6 +7,8 @@
#include "qla_def.h"
#include <linux/delay.h>
#include <linux/pci.h>
+#include <linux/ratelimit.h>
+#include <linux/vmalloc.h>
#include <scsi/scsi_tcq.h>
#define MASK(n) ((1ULL<<(n))-1)
@@ -328,7 +330,7 @@
};
/* Device states */
-char *qdev_state[] = {
+char *q_dev_state[] = {
"Unknown",
"Cold",
"Initializing",
@@ -339,6 +341,11 @@
"Quiescent",
};
+char *qdev_state(uint32_t dev_state)
+{
+ return q_dev_state[dev_state];
+}
+
/*
* In: 'off' is offset from CRB space in 128M pci map
* Out: 'off' is 2M pci map addr
@@ -2355,9 +2362,13 @@
uint32_t drv_state;
int rval;
- drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
- rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
- return rval;
+ if (ha->flags.isp82xx_reset_owner)
+ return 1;
+ else {
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
+ return rval;
+ }
}
static inline void
@@ -2374,8 +2385,8 @@
drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
}
drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
- ql_log(ql_log_info, vha, 0x00bb,
- "drv_state = 0x%x.\n", drv_state);
+ ql_dbg(ql_dbg_init, vha, 0x00bb,
+ "drv_state = 0x%08x.\n", drv_state);
qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
}
@@ -3528,7 +3539,7 @@
static void
qla82xx_need_reset_handler(scsi_qla_host_t *vha)
{
- uint32_t dev_state, drv_state, drv_active;
+ uint32_t dev_state, drv_state, drv_active, active_mask;
unsigned long reset_timeout;
struct qla_hw_data *ha = vha->hw;
struct req_que *req = ha->req_q_map[0];
@@ -3541,15 +3552,32 @@
qla82xx_idc_lock(ha);
}
- qla82xx_set_rst_ready(ha);
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ if (!ha->flags.isp82xx_reset_owner) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb028,
+ "reset_acknowledged by 0x%x\n", ha->portnum);
+ qla82xx_set_rst_ready(ha);
+ } else {
+ active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
+ drv_active &= active_mask;
+ ql_dbg(ql_dbg_p3p, vha, 0xb029,
+ "active_mask: 0x%08x\n", active_mask);
+ }
/* wait for 10 seconds for reset ack from all functions */
reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
- while (drv_state != drv_active) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb02a,
+ "drv_state: 0x%08x, drv_active: 0x%08x, "
+ "dev_state: 0x%08x, active_mask: 0x%08x\n",
+ drv_state, drv_active, dev_state, active_mask);
+
+ while (drv_state != drv_active &&
+ dev_state != QLA82XX_DEV_INITIALIZING) {
if (time_after_eq(jiffies, reset_timeout)) {
ql_log(ql_log_warn, vha, 0x00b5,
"Reset timeout.\n");
@@ -3560,22 +3588,78 @@
qla82xx_idc_lock(ha);
drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ if (ha->flags.isp82xx_reset_owner)
+ drv_active &= active_mask;
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
}
- dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+ ql_dbg(ql_dbg_p3p, vha, 0xb02b,
+ "drv_state: 0x%08x, drv_active: 0x%08x, "
+ "dev_state: 0x%08x, active_mask: 0x%08x\n",
+ drv_state, drv_active, dev_state, active_mask);
+
ql_log(ql_log_info, vha, 0x00b6,
"Device state is 0x%x = %s.\n",
dev_state,
- dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
+ 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) {
+ if (dev_state != QLA82XX_DEV_INITIALIZING &&
+ dev_state != QLA82XX_DEV_COLD) {
ql_log(ql_log_info, vha, 0x00b7,
"HW State: COLD/RE-INIT.\n");
qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD);
+ if (ql2xmdenable) {
+ if (qla82xx_md_collect(vha))
+ ql_log(ql_log_warn, vha, 0xb02c,
+ "Not able to collect minidump.\n");
+ } else
+ ql_log(ql_log_warn, vha, 0xb04f,
+ "Minidump disabled.\n");
}
}
+static void
+qla82xx_check_md_needed(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint16_t fw_major_version, fw_minor_version, fw_subminor_version;
+ uint16_t fw_attributes;
+ uint32_t fw_memory_size, mpi_capabilities;
+ uint8_t mpi_version[3], phy_version[3];
+
+ if (!ha->fw_dumped) {
+ qla2x00_get_fw_version(vha,
+ &fw_major_version,
+ &fw_minor_version,
+ &fw_subminor_version,
+ &fw_attributes, &fw_memory_size,
+ mpi_version, &mpi_capabilities,
+ phy_version);
+
+ if (fw_major_version != ha->fw_major_version ||
+ fw_minor_version != ha->fw_minor_version ||
+ fw_subminor_version != ha->fw_subminor_version) {
+ ql_log(ql_log_info, vha, 0xb02d,
+ "Firmware version differs "
+ "Previous version: %d:%d:%d - "
+ "New version: %d:%d:%d\n",
+ ha->fw_major_version,
+ ha->fw_minor_version, ha->fw_subminor_version,
+ fw_major_version, fw_minor_version,
+ fw_subminor_version);
+ /* Release MiniDump resources */
+ qla82xx_md_free(vha);
+ /* ALlocate MiniDump resources */
+ qla82xx_md_prep(vha);
+ }
+ } else
+ ql_log(ql_log_info, vha, 0xb02e,
+ "Firmware dump available to retrieve\n",
+ vha->host_no);
+}
+
+
int
qla82xx_check_fw_alive(scsi_qla_host_t *vha)
{
@@ -3637,7 +3721,7 @@
ql_log(ql_log_info, vha, 0x009b,
"Device state is 0x%x = %s.\n",
dev_state,
- dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
+ 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);
@@ -3659,16 +3743,18 @@
ql_log(ql_log_info, vha, 0x009d,
"Device state is 0x%x = %s.\n",
dev_state,
- dev_state < MAX_STATES ? qdev_state[dev_state] :
+ dev_state < MAX_STATES ? qdev_state(dev_state) :
"Unknown");
}
switch (dev_state) {
case QLA82XX_DEV_READY:
+ qla82xx_check_md_needed(vha);
+ ha->flags.isp82xx_reset_owner = 0;
goto exit;
case QLA82XX_DEV_COLD:
rval = qla82xx_device_bootstrap(vha);
- goto exit;
+ break;
case QLA82XX_DEV_INITIALIZING:
qla82xx_idc_unlock(ha);
msleep(1000);
@@ -3791,6 +3877,28 @@
return rval;
}
+void
+qla82xx_set_reset_owner(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t dev_state;
+
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+ if (dev_state == QLA82XX_DEV_READY) {
+ ql_log(ql_log_info, vha, 0xb02f,
+ "HW State: NEED RESET\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_NEED_RESET);
+ ha->flags.isp82xx_reset_owner = 1;
+ ql_dbg(ql_dbg_p3p, vha, 0xb030,
+ "reset_owner is 0x%x\n", ha->portnum);
+ } else
+ ql_log(ql_log_info, vha, 0xb031,
+ "Device state is 0x%x = %s.\n",
+ dev_state,
+ dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
+}
+
/*
* qla82xx_abort_isp
* Resets ISP and aborts all outstanding commands.
@@ -3806,7 +3914,6 @@
{
int rval;
struct qla_hw_data *ha = vha->hw;
- uint32_t dev_state;
if (vha->device_flags & DFLG_DEV_FAILED) {
ql_log(ql_log_warn, vha, 0x8024,
@@ -3816,16 +3923,7 @@
ha->flags.isp82xx_reset_hdlr_active = 1;
qla82xx_idc_lock(ha);
- dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
- if (dev_state == QLA82XX_DEV_READY) {
- ql_log(ql_log_info, vha, 0x8025,
- "HW State: NEED RESET.\n");
- qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
- QLA82XX_DEV_NEED_RESET);
- } else
- ql_log(ql_log_info, vha, 0x8026,
- "Hw State: %s.\n", dev_state < MAX_STATES ?
- qdev_state[dev_state] : "Unknown");
+ qla82xx_set_reset_owner(vha);
qla82xx_idc_unlock(ha);
rval = qla82xx_device_state_handler(vha);
@@ -4016,3 +4114,763 @@
}
}
}
+
+/* Minidump related functions */
+int
+qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag)
+{
+ uint32_t off_value, rval = 0;
+
+ WRT_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase),
+ (off & 0xFFFF0000));
+
+ /* Read back value to make sure write has gone through */
+ RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase));
+ off_value = (off & 0x0000FFFF);
+
+ if (flag)
+ WRT_REG_DWORD((void *)
+ (off_value + CRB_INDIRECT_2M + ha->nx_pcibase),
+ data);
+ else
+ rval = RD_REG_DWORD((void *)
+ (off_value + CRB_INDIRECT_2M + ha->nx_pcibase));
+
+ return rval;
+}
+
+static int
+qla82xx_minidump_process_control(scsi_qla_host_t *vha,
+ qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla82xx_md_entry_crb *crb_entry;
+ uint32_t read_value, opcode, poll_time;
+ uint32_t addr, index, crb_addr;
+ unsigned long wtime;
+ struct qla82xx_md_template_hdr *tmplt_hdr;
+ uint32_t rval = QLA_SUCCESS;
+ int i;
+
+ tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
+ crb_entry = (struct qla82xx_md_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) {
+ qla82xx_md_rw_32(ha, crb_addr,
+ crb_entry->value_1, 1);
+ opcode &= ~QLA82XX_DBG_OPCODE_WR;
+ }
+
+ if (opcode & QLA82XX_DBG_OPCODE_RW) {
+ read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
+ qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
+ opcode &= ~QLA82XX_DBG_OPCODE_RW;
+ }
+
+ if (opcode & QLA82XX_DBG_OPCODE_AND) {
+ read_value = qla82xx_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;
+ }
+ qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
+ }
+
+ if (opcode & QLA82XX_DBG_OPCODE_OR) {
+ read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
+ read_value |= crb_entry->value_3;
+ qla82xx_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 = qla82xx_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_FUNCTION_FAILED;
+ break;
+ } else
+ read_value = qla82xx_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 = qla82xx_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;
+
+ qla82xx_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;
+ }
+ return rval;
+}
+
+static void
+qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha,
+ qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t r_addr, r_stride, loop_cnt, i, r_value;
+ struct qla82xx_md_entry_rdocm *ocm_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr;
+ r_addr = ocm_hdr->read_addr;
+ r_stride = ocm_hdr->read_addr_stride;
+ loop_cnt = ocm_hdr->op_count;
+
+ for (i = 0; i < loop_cnt; i++) {
+ r_value = RD_REG_DWORD((void *)(r_addr + ha->nx_pcibase));
+ *data_ptr++ = cpu_to_le32(r_value);
+ r_addr += r_stride;
+ }
+ *d_ptr = data_ptr;
+}
+
+static void
+qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha,
+ qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value;
+ struct qla82xx_md_entry_mux *mux_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ mux_hdr = (struct qla82xx_md_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++) {
+ qla82xx_md_rw_32(ha, s_addr, s_value, 1);
+ r_value = qla82xx_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
+qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha,
+ qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t r_addr, r_stride, loop_cnt, i, r_value;
+ struct qla82xx_md_entry_crb *crb_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ crb_hdr = (struct qla82xx_md_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 = qla82xx_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
+qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha,
+ qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ 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_md_entry_cache *cache_hdr;
+ int rval = QLA_FUNCTION_FAILED;
+ uint32_t *data_ptr = *d_ptr;
+
+ cache_hdr = (struct qla82xx_md_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++) {
+ qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
+ if (c_value_w)
+ qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
+
+ if (p_mask) {
+ w_time = jiffies + p_wait;
+ do {
+ c_value_r = qla82xx_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 */
+ ql_dbg(ql_dbg_p3p, vha, 0xb032,
+ "c_value_r: 0x%x, poll_mask: 0x%lx, "
+ "w_time: 0x%lx\n",
+ c_value_r, p_mask, w_time);
+ return rval;
+ }
+ } while (1);
+ }
+
+ addr = r_addr;
+ for (k = 0; k < r_cnt; k++) {
+ r_value = qla82xx_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 void
+qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha,
+ qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ 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_md_entry_cache *cache_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ cache_hdr = (struct qla82xx_md_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++) {
+ qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
+ qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
+ addr = r_addr;
+ for (k = 0; k < r_cnt; k++) {
+ r_value = qla82xx_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
+qla82xx_minidump_process_queue(scsi_qla_host_t *vha,
+ qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t s_addr, r_addr;
+ uint32_t r_stride, r_value, r_cnt, qid = 0;
+ uint32_t i, k, loop_cnt;
+ struct qla82xx_md_entry_queue *q_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ q_hdr = (struct qla82xx_md_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++) {
+ qla82xx_md_rw_32(ha, s_addr, qid, 1);
+ r_addr = q_hdr->read_addr;
+ for (k = 0; k < r_cnt; k++) {
+ r_value = qla82xx_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;
+}
+
+static void
+qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha,
+ qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t r_addr, r_value;
+ uint32_t i, loop_cnt;
+ struct qla82xx_md_entry_rdrom *rom_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr;
+ r_addr = rom_hdr->read_addr;
+ loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t);
+
+ for (i = 0; i < loop_cnt; i++) {
+ qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW,
+ (r_addr & 0xFFFF0000), 1);
+ r_value = qla82xx_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;
+}
+
+static int
+qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha,
+ qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t r_addr, r_value, r_data;
+ uint32_t i, j, loop_cnt;
+ struct qla82xx_md_entry_rdmem *m_hdr;
+ unsigned long flags;
+ int rval = QLA_FUNCTION_FAILED;
+ uint32_t *data_ptr = *d_ptr;
+
+ m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr;
+ r_addr = m_hdr->read_addr;
+ loop_cnt = m_hdr->read_data_size/16;
+
+ if (r_addr & 0xf) {
+ ql_log(ql_log_warn, vha, 0xb033,
+ "Read addr 0x%x not 16 bytes alligned\n", r_addr);
+ return rval;
+ }
+
+ if (m_hdr->read_data_size % 16) {
+ ql_log(ql_log_warn, vha, 0xb034,
+ "Read data[0x%x] not multiple of 16 bytes\n",
+ m_hdr->read_data_size);
+ return rval;
+ }
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb035,
+ "[%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++) {
+ qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1);
+ r_value = 0;
+ qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1);
+ r_value = MIU_TA_CTL_ENABLE;
+ qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
+ r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+ qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ r_value = qla82xx_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
+ "failed to read through agent\n");
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ return rval;
+ }
+
+ for (j = 0; j < 4; j++) {
+ r_data = qla82xx_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);
+ *d_ptr = data_ptr;
+ return QLA_SUCCESS;
+}
+
+static int
+qla82xx_validate_template_chksum(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint64_t chksum = 0;
+ uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr;
+ int count = ha->md_template_size/sizeof(uint32_t);
+
+ while (count-- > 0)
+ chksum += *d_ptr++;
+ while (chksum >> 32)
+ chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32);
+ return ~chksum;
+}
+
+static void
+qla82xx_mark_entry_skipped(scsi_qla_host_t *vha,
+ qla82xx_md_entry_hdr_t *entry_hdr, int index)
+{
+ entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG;
+ ql_dbg(ql_dbg_p3p, vha, 0xb036,
+ "Skipping entry[%d]: "
+ "ETYPE[0x%x]-ELEVEL[0x%x]\n",
+ index, entry_hdr->entry_type,
+ entry_hdr->d_ctrl.entry_capture_mask);
+}
+
+int
+qla82xx_md_collect(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int no_entry_hdr = 0;
+ qla82xx_md_entry_hdr_t *entry_hdr;
+ struct qla82xx_md_template_hdr *tmplt_hdr;
+ uint32_t *data_ptr;
+ uint32_t total_data_size = 0, f_capture_mask, data_collected = 0;
+ int i = 0, rval = QLA_FUNCTION_FAILED;
+
+ tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
+ data_ptr = (uint32_t *)ha->md_dump;
+
+ if (ha->fw_dumped) {
+ ql_log(ql_log_info, vha, 0xb037,
+ "Firmware dump available to retrive\n");
+ goto md_failed;
+ }
+
+ ha->fw_dumped = 0;
+
+ if (!ha->md_tmplt_hdr || !ha->md_dump) {
+ ql_log(ql_log_warn, vha, 0xb038,
+ "Memory not allocated for minidump capture\n");
+ goto md_failed;
+ }
+
+ if (qla82xx_validate_template_chksum(vha)) {
+ ql_log(ql_log_info, vha, 0xb039,
+ "Template checksum validation error\n");
+ goto md_failed;
+ }
+
+ no_entry_hdr = tmplt_hdr->num_of_entries;
+ ql_dbg(ql_dbg_p3p, vha, 0xb03a,
+ "No of entry headers in Template: 0x%x\n", no_entry_hdr);
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb03b,
+ "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level);
+
+ f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF;
+
+ /* Validate whether required debug level is set */
+ if ((f_capture_mask & 0x3) != 0x3) {
+ ql_log(ql_log_warn, vha, 0xb03c,
+ "Minimum required capture mask[0x%x] level not set\n",
+ f_capture_mask);
+ goto md_failed;
+ }
+ tmplt_hdr->driver_capture_mask = ql2xmdcapmask;
+
+ tmplt_hdr->driver_info[0] = vha->host_no;
+ tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) |
+ (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) |
+ QLA_DRIVER_BETA_VER;
+
+ total_data_size = ha->md_dump_size;
+
+ ql_dbg(ql_log_info, vha, 0xb03d,
+ "Total minidump data_size 0x%x to be captured\n", total_data_size);
+
+ /* Check whether template obtained is valid */
+ if (tmplt_hdr->entry_type != QLA82XX_TLHDR) {
+ ql_log(ql_log_warn, vha, 0xb04e,
+ "Bad template header entry type: 0x%x obtained\n",
+ tmplt_hdr->entry_type);
+ goto md_failed;
+ }
+
+ entry_hdr = (qla82xx_md_entry_hdr_t *) \
+ (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset);
+
+ /* Walk through the entry headers */
+ for (i = 0; i < no_entry_hdr; i++) {
+
+ if (data_collected > total_data_size) {
+ ql_log(ql_log_warn, vha, 0xb03e,
+ "More MiniDump data collected: [0x%x]\n",
+ data_collected);
+ goto md_failed;
+ }
+
+ if (!(entry_hdr->d_ctrl.entry_capture_mask &
+ ql2xmdcapmask)) {
+ entry_hdr->d_ctrl.driver_flags |=
+ QLA82XX_DBG_SKIPPED_FLAG;
+ ql_dbg(ql_dbg_p3p, vha, 0xb03f,
+ "Skipping entry[%d]: "
+ "ETYPE[0x%x]-ELEVEL[0x%x]\n",
+ i, entry_hdr->entry_type,
+ entry_hdr->d_ctrl.entry_capture_mask);
+ goto skip_nxt_entry;
+ }
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb040,
+ "[%s]: data ptr[%d]: %p, entry_hdr: %p\n"
+ "entry_type: 0x%x, captrue_mask: 0x%x\n",
+ __func__, i, data_ptr, entry_hdr,
+ entry_hdr->entry_type,
+ entry_hdr->d_ctrl.entry_capture_mask);
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb041,
+ "Data collected: [0x%x], Dump size left:[0x%x]\n",
+ data_collected, (ha->md_dump_size - data_collected));
+
+ /* Decode the entry type and take
+ * required action to capture debug data */
+ switch (entry_hdr->entry_type) {
+ case QLA82XX_RDEND:
+ qla82xx_mark_entry_skipped(vha, entry_hdr, i);
+ break;
+ case QLA82XX_CNTRL:
+ rval = qla82xx_minidump_process_control(vha,
+ entry_hdr, &data_ptr);
+ if (rval != QLA_SUCCESS) {
+ qla82xx_mark_entry_skipped(vha, entry_hdr, i);
+ goto md_failed;
+ }
+ break;
+ case QLA82XX_RDCRB:
+ qla82xx_minidump_process_rdcrb(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA82XX_RDMEM:
+ rval = qla82xx_minidump_process_rdmem(vha,
+ entry_hdr, &data_ptr);
+ if (rval != QLA_SUCCESS) {
+ qla82xx_mark_entry_skipped(vha, entry_hdr, i);
+ goto md_failed;
+ }
+ break;
+ case QLA82XX_BOARD:
+ case QLA82XX_RDROM:
+ qla82xx_minidump_process_rdrom(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA82XX_L2DTG:
+ case QLA82XX_L2ITG:
+ case QLA82XX_L2DAT:
+ case QLA82XX_L2INS:
+ rval = qla82xx_minidump_process_l2tag(vha,
+ entry_hdr, &data_ptr);
+ if (rval != QLA_SUCCESS) {
+ qla82xx_mark_entry_skipped(vha, entry_hdr, i);
+ goto md_failed;
+ }
+ break;
+ case QLA82XX_L1DAT:
+ case QLA82XX_L1INS:
+ qla82xx_minidump_process_l1cache(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA82XX_RDOCM:
+ qla82xx_minidump_process_rdocm(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA82XX_RDMUX:
+ qla82xx_minidump_process_rdmux(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA82XX_QUEUE:
+ qla82xx_minidump_process_queue(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA82XX_RDNOP:
+ default:
+ qla82xx_mark_entry_skipped(vha, entry_hdr, i);
+ break;
+ }
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb042,
+ "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr);
+
+ data_collected = (uint8_t *)data_ptr -
+ (uint8_t *)ha->md_dump;
+skip_nxt_entry:
+ entry_hdr = (qla82xx_md_entry_hdr_t *) \
+ (((uint8_t *)entry_hdr) + entry_hdr->entry_size);
+ }
+
+ if (data_collected != total_data_size) {
+ ql_dbg(ql_log_warn, vha, 0xb043,
+ "MiniDump data mismatch: Data collected: [0x%x],"
+ "total_data_size:[0x%x]\n",
+ data_collected, total_data_size);
+ goto md_failed;
+ }
+
+ ql_log(ql_log_info, vha, 0xb044,
+ "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n",
+ vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump);
+ ha->fw_dumped = 1;
+ qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
+
+md_failed:
+ return rval;
+}
+
+int
+qla82xx_md_alloc(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int i, k;
+ struct qla82xx_md_template_hdr *tmplt_hdr;
+
+ tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
+
+ if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) {
+ ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF;
+ ql_log(ql_log_info, vha, 0xb045,
+ "Forcing driver capture mask to firmware default capture mask: 0x%x.\n",
+ ql2xmdcapmask);
+ }
+
+ for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) {
+ if (i & ql2xmdcapmask)
+ ha->md_dump_size += tmplt_hdr->capture_size_array[k];
+ }
+
+ if (ha->md_dump) {
+ ql_log(ql_log_warn, vha, 0xb046,
+ "Firmware dump previously allocated.\n");
+ return 1;
+ }
+
+ ha->md_dump = vmalloc(ha->md_dump_size);
+ if (ha->md_dump == NULL) {
+ ql_log(ql_log_warn, vha, 0xb047,
+ "Unable to allocate memory for Minidump size "
+ "(0x%x).\n", ha->md_dump_size);
+ return 1;
+ }
+ return 0;
+}
+
+void
+qla82xx_md_free(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ /* Release the template header allocated */
+ if (ha->md_tmplt_hdr) {
+ ql_log(ql_log_info, vha, 0xb048,
+ "Free MiniDump template: %p, size (%d KB)\n",
+ ha->md_tmplt_hdr, ha->md_template_size / 1024);
+ dma_free_coherent(&ha->pdev->dev, ha->md_template_size,
+ ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
+ ha->md_tmplt_hdr = 0;
+ }
+
+ /* Release the template data buffer allocated */
+ if (ha->md_dump) {
+ ql_log(ql_log_info, vha, 0xb049,
+ "Free MiniDump memory: %p, size (%d KB)\n",
+ ha->md_dump, ha->md_dump_size / 1024);
+ vfree(ha->md_dump);
+ ha->md_dump_size = 0;
+ ha->md_dump = 0;
+ }
+}
+
+void
+qla82xx_md_prep(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int rval;
+
+ /* Get Minidump template size */
+ rval = qla82xx_md_get_template_size(vha);
+ if (rval == QLA_SUCCESS) {
+ ql_log(ql_log_info, vha, 0xb04a,
+ "MiniDump Template size obtained (%d KB)\n",
+ ha->md_template_size / 1024);
+
+ /* Get Minidump template */
+ rval = qla82xx_md_get_template(vha);
+ if (rval == QLA_SUCCESS) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb04b,
+ "MiniDump Template obtained\n");
+
+ /* Allocate memory for minidump */
+ rval = qla82xx_md_alloc(vha);
+ if (rval == QLA_SUCCESS)
+ ql_log(ql_log_info, vha, 0xb04c,
+ "MiniDump memory allocated (%d KB)\n",
+ ha->md_dump_size / 1024);
+ else {
+ ql_log(ql_log_info, vha, 0xb04d,
+ "Free MiniDump template: %p, size: (%d KB)\n",
+ ha->md_tmplt_hdr,
+ ha->md_template_size / 1024);
+ dma_free_coherent(&ha->pdev->dev,
+ ha->md_template_size,
+ ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
+ ha->md_tmplt_hdr = 0;
+ }
+
+ }
+ }
+}
diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h
index 8a21832..97ee250 100644
--- a/drivers/scsi/qla2xxx/qla_nx.h
+++ b/drivers/scsi/qla2xxx/qla_nx.h
@@ -484,8 +484,6 @@
#define QLA82XX_ADDR_OCM1 (0x0000000200400000ULL)
#define QLA82XX_ADDR_OCM1_MAX (0x00000002004fffffULL)
#define QLA82XX_ADDR_QDR_NET (0x0000000300000000ULL)
-
-#define QLA82XX_P2_ADDR_QDR_NET_MAX (0x00000003001fffffULL)
#define QLA82XX_P3_ADDR_QDR_NET_MAX (0x0000000303ffffffULL)
#define QLA82XX_PCI_CRBSPACE (unsigned long)0x06000000
@@ -922,4 +920,256 @@
#define M25P_INSTR_DP 0xb9
#define M25P_INSTR_RES 0xab
+/* Minidump related */
+
+/*
+ * Version of the template
+ * 4 Bytes
+ * X.Major.Minor.RELEASE
+ */
+#define QLA82XX_MINIDUMP_VERSION 0x10101
+
+/*
+ * 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_RDSRE 5
+#define QLA82XX_RDOCM 6
+#define QLA82XX_CACHE 10
+#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_TLHDR 99
+#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
+
+/*
+ * Template Header and Entry Header definitions start here.
+ */
+
+/*
+ * Template Header
+ * Parts of the template header can be modified by the driver.
+ * These include the saved_state_array, capture_debug_level, driver_timestamp
+ */
+
+#define QLA82XX_DBG_STATE_ARRAY_LEN 16
+#define QLA82XX_DBG_CAP_SIZE_ARRAY_LEN 8
+#define QLA82XX_DBG_RSVD_ARRAY_LEN 8
+
+/*
+ * Driver Flags
+ */
+#define QLA82XX_DBG_SKIPPED_FLAG 0x80 /* driver skipped this entry */
+#define QLA82XX_DEFAULT_CAP_MASK 0xFF /* default capture mask */
+
+struct qla82xx_md_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 template_checksum;
+
+ uint32_t driver_capture_mask;
+ uint32_t driver_info[3];
+
+ uint32_t saved_state_array[QLA82XX_DBG_STATE_ARRAY_LEN];
+ uint32_t capture_size_array[QLA82XX_DBG_CAP_SIZE_ARRAY_LEN];
+
+ /* markers_array used to capture some special locations on board */
+ uint32_t markers_array[QLA82XX_DBG_RSVD_ARRAY_LEN];
+ uint32_t num_of_free_entries; /* For internal use */
+ uint32_t free_entry_offset; /* For internal use */
+ uint32_t total_table_size; /* For internal use */
+ uint32_t bkup_table_offset; /* For internal use */
+} __packed;
+
+/*
+ * Entry Header: Common to All Entry Types
+ */
+
+/*
+ * Driver Code is for driver to write some info about the entry.
+ * Currently not used.
+ */
+typedef struct qla82xx_md_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;
+} __packed qla82xx_md_entry_hdr_t;
+
+/*
+ * Read CRB entry header
+ */
+struct qla82xx_md_entry_crb {
+ qla82xx_md_entry_hdr_t 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;
+} __packed;
+
+/*
+ * Cache entry header
+ */
+struct qla82xx_md_entry_cache {
+ qla82xx_md_entry_hdr_t 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;
+} __packed;
+
+/*
+ * Read OCM
+ */
+struct qla82xx_md_entry_rdocm {
+ qla82xx_md_entry_hdr_t 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;
+ uint32_t read_addr_cntrl;
+} __packed;
+
+/*
+ * Read Memory
+ */
+struct qla82xx_md_entry_rdmem {
+ qla82xx_md_entry_hdr_t h;
+ uint32_t rsvd[6];
+ uint32_t read_addr;
+ uint32_t read_data_size;
+} __packed;
+
+/*
+ * Read ROM
+ */
+struct qla82xx_md_entry_rdrom {
+ qla82xx_md_entry_hdr_t h;
+ uint32_t rsvd[6];
+ uint32_t read_addr;
+ uint32_t read_data_size;
+} __packed;
+
+struct qla82xx_md_entry_mux {
+ qla82xx_md_entry_hdr_t 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;
+} __packed;
+
+struct qla82xx_md_entry_queue {
+ qla82xx_md_entry_hdr_t 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;
+} __packed;
+
+#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
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 4cace3f..e37556c 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -160,9 +160,9 @@
int ql2xdbwr = 1;
module_param(ql2xdbwr, int, S_IRUGO);
MODULE_PARM_DESC(ql2xdbwr,
- "Option to specify scheme for request queue posting.\n"
- " 0 -- Regular doorbell.\n"
- " 1 -- CAMRAM doorbell (faster).\n");
+ "Option to specify scheme for request queue posting.\n"
+ " 0 -- Regular doorbell.\n"
+ " 1 -- CAMRAM doorbell (faster).\n");
int ql2xtargetreset = 1;
module_param(ql2xtargetreset, int, S_IRUGO);
@@ -185,9 +185,9 @@
int ql2xdontresethba;
module_param(ql2xdontresethba, int, S_IRUGO);
MODULE_PARM_DESC(ql2xdontresethba,
- "Option to specify reset behaviour.\n"
- " 0 (Default) -- Reset on failure.\n"
- " 1 -- Do not reset on failure.\n");
+ "Option to specify reset behaviour.\n"
+ " 0 (Default) -- Reset on failure.\n"
+ " 1 -- Do not reset on failure.\n");
uint ql2xmaxlun = MAX_LUNS;
module_param(ql2xmaxlun, uint, S_IRUGO);
@@ -195,6 +195,19 @@
"Defines the maximum LU number to register with the SCSI "
"midlayer. Default is 65535.");
+int ql2xmdcapmask = 0x1F;
+module_param(ql2xmdcapmask, int, S_IRUGO);
+MODULE_PARM_DESC(ql2xmdcapmask,
+ "Set the Minidump driver capture mask level. "
+ "Default is 0x7F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
+
+int ql2xmdenable;
+module_param(ql2xmdenable, int, S_IRUGO);
+MODULE_PARM_DESC(ql2xmdenable,
+ "Enable/disable MiniDump. "
+ "0 (Default) - MiniDump disabled. "
+ "1 - MiniDump enabled.");
+
/*
* SCSI host template entry points
*/
@@ -2669,6 +2682,8 @@
qla2x00_mem_free(ha);
+ qla82xx_md_free(vha);
+
qla2x00_free_queues(ha);
}