pm80xx: Firmware logging support.

index 5a19e19..247cb1c 100644
@@ -309,6 +309,78 @@ static ssize_t pm8001_ctl_aap_log_show(struct device *cdev,
 }
 static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL);
 /**
+ * pm8001_ctl_ib_queue_log_show - Out bound Queue log
+ * @cdev:pointer to embedded class device
+ * @buf: the buffer returned
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_ib_queue_log_show(struct device *cdev,
+	struct device_attribute *attr, char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(cdev);
+	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
+	int offset;
+	char *str = buf;
+	int start = 0;
+#define IB_MEMMAP(c)		\
+		(*(u32 *)((u8 *)pm8001_ha->		\
+		memoryMap.region[IB].virt_ptr +		\
+		pm8001_ha->evtlog_ib_offset + (c)))
+
+	for (offset = 0; offset < IB_OB_READ_TIMES; offset++) {
+		str += sprintf(str, "0x%08x\n", IB_MEMMAP(start));
+		start = start + 4;
+	}
+	pm8001_ha->evtlog_ib_offset += SYSFS_OFFSET;
+	if ((((pm8001_ha->evtlog_ib_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0)
+		&& (pm8001_ha->chip_id != chip_8001))
+		pm8001_ha->evtlog_ib_offset = 0;
+	if ((((pm8001_ha->evtlog_ib_offset) % (PM8001_IB_OB_QUEUE_SIZE)) == 0)
+		&& (pm8001_ha->chip_id == chip_8001))
+		pm8001_ha->evtlog_ib_offset = 0;
+
+	return str - buf;
+}
+
+static DEVICE_ATTR(ib_log, S_IRUGO, pm8001_ctl_ib_queue_log_show, NULL);
+/**
+ * pm8001_ctl_ob_queue_log_show - Out bound Queue log
+ * @cdev:pointer to embedded class device
+ * @buf: the buffer returned
+ * A sysfs 'read-only' shost attribute.
+ */
+
+static ssize_t pm8001_ctl_ob_queue_log_show(struct device *cdev,
+	struct device_attribute *attr, char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(cdev);
+	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
+	int offset;
+	char *str = buf;
+	int start = 0;
+#define OB_MEMMAP(c)		\
+		(*(u32 *)((u8 *)pm8001_ha->		\
+		memoryMap.region[OB].virt_ptr +		\
+		pm8001_ha->evtlog_ob_offset + (c)))
+
+	for (offset = 0; offset < IB_OB_READ_TIMES; offset++) {
+		str += sprintf(str, "0x%08x\n", OB_MEMMAP(start));
+		start = start + 4;
+	}
+	pm8001_ha->evtlog_ob_offset += SYSFS_OFFSET;
+	if ((((pm8001_ha->evtlog_ob_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0)
+			&& (pm8001_ha->chip_id != chip_8001))
+		pm8001_ha->evtlog_ob_offset = 0;
+	if ((((pm8001_ha->evtlog_ob_offset) % (PM8001_IB_OB_QUEUE_SIZE)) == 0)
+			&& (pm8001_ha->chip_id == chip_8001))
+		pm8001_ha->evtlog_ob_offset = 0;
+
+	return str - buf;
+}
+static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL);
+/**
  * pm8001_ctl_bios_version_show - Bios version Display
  * @cdev:pointer to embedded class device
  * @buf:the buffer returned

@@ -377,6 +449,43 @@ static ssize_t pm8001_ctl_iop_log_show(struct device *cdev,
 }
 static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL);
 
+/**
+ ** pm8001_ctl_fatal_log_show - fatal error logging
+ ** @cdev:pointer to embedded class device
+ ** @buf: the buffer returned
+ **
+ ** A sysfs 'read-only' shost attribute.
+ **/
+
+static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev,
+	struct device_attribute *attr, char *buf)
+{
+	u32 count;
+
+	count = pm80xx_get_fatal_dump(cdev, attr, buf);
+	return count;
+}
+
+static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL);
+
+
+/**
+ ** pm8001_ctl_gsm_log_show - gsm dump collection
+ ** @cdev:pointer to embedded class device
+ ** @buf: the buffer returned
+ **A sysfs 'read-only' shost attribute.
+ **/
+static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev,
+	struct device_attribute *attr, char *buf)
+{
+	u32 count;
+
+	count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf);
+	return count;
+}
+
+static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL);
+
 #define FLASH_CMD_NONE      0x00
 #define FLASH_CMD_UPDATE    0x01
 #define FLASH_CMD_SET_NVMD    0x02

@@ -636,6 +745,8 @@ struct device_attribute *pm8001_host_attrs[] = {
 	&dev_attr_update_fw,
 	&dev_attr_aap_log,
 	&dev_attr_iop_log,
+	&dev_attr_fatal_log,
+	&dev_attr_gsm_log,
 	&dev_attr_max_out_io,
 	&dev_attr_max_devices,
 	&dev_attr_max_sg_list,

@@ -643,6 +754,8 @@ struct device_attribute *pm8001_host_attrs[] = {
 	&dev_attr_logging_level,
 	&dev_attr_host_sas_address,
 	&dev_attr_bios_version,
+	&dev_attr_ib_log,
+	&dev_attr_ob_log,
 	NULL,
 };
 

index c6d8fdd..d0d43a2 100644
@@ -55,5 +55,9 @@
 #define FAIL_OUT_MEMORY                 0x000c00
 #define FLASH_IN_PROGRESS               0x001000
 
+#define IB_OB_READ_TIMES                256
+#define SYSFS_OFFSET                    1024
+#define PM80XX_IB_OB_QUEUE_SIZE         (32 * 1024)
+#define PM8001_IB_OB_QUEUE_SIZE         (16 * 1024)
 #endif /* PM8001_CTL_H_INCLUDED */
 

index 4bb304d..74a4bb9 100644
@@ -102,7 +102,8 @@ enum memory_region_num {
 	NVMD,	    /* NVM device */
 	DEV_MEM,    /* memory for devices */
 	CCB_MEM,    /* memory for command control block */
-	FW_FLASH    /* memory for fw flash update */
+	FW_FLASH,    /* memory for fw flash update */
+	FORENSIC_MEM  /* memory for fw forensic data */
 };
 #define	PM8001_EVENT_LOG_SIZE	 (128 * 1024)
 

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index d7c1e20..6d91e24 100644
@@ -1027,5 +1027,8 @@ struct set_dev_state_resp {
 #define DEVREG_FAILURE_PORT_NOT_VALID_STATE		0x06
 #define DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID		0x07
 
+#define GSM_BASE					0x4F0000
+#define SHIFT_REG_64K_MASK				0xffff0000
+#define SHIFT_REG_BIT_SHIFT				8
 #endif
 

index 87d3a2e..7b57fcd 100644
@@ -347,6 +347,10 @@ static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha,
 	/* Memory region for fw flash */
 	pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096;
 
+	pm8001_ha->memoryMap.region[FORENSIC_MEM].num_elements = 1;
+	pm8001_ha->memoryMap.region[FORENSIC_MEM].total_len = 0x10000;
+	pm8001_ha->memoryMap.region[FORENSIC_MEM].element_size = 0x10000;
+	pm8001_ha->memoryMap.region[FORENSIC_MEM].alignment = 0x10000;
 	for (i = 0; i < USI_MAX_MEMCNT; i++) {
 		if (pm8001_mem_alloc(pm8001_ha->pdev,
 			&pm8001_ha->memoryMap.region[i].virt_ptr,

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index 872d5cf..c86816b 100644
@@ -1525,4 +1525,6 @@ typedef struct SASProtocolTimerConfig SASProtocolTimerConfig_t;
 #define DEVREG_FAILURE_PORT_NOT_VALID_STATE		0x06
 #define DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID		0x07
 
+
+#define MEMBASE_II_SHIFT_REGISTER       0x1010
 #endif