[SCSI] qla4xxx: Capture minidump for ISP82XX on firmware failure
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>
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 210cd1d..7240948 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -385,6 +385,11 @@
#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 @@
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 */
