Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This consists of the usual driver updates (ufs, target, tcmu,
  smartpqi, lpfc, zfcp, qla2xxx, mpt3sas, pm80xx).

  The major core change is using a sbitmap instead of an atomic for
  queue tracking"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (412 commits)
  scsi: target: tcm_fc: Fix a kernel-doc header
  scsi: target: Shorten ALUA error messages
  scsi: target: Fix two format specifiers
  scsi: target: Compare explicitly with SAM_STAT_GOOD
  scsi: sd: Introduce a new local variable in sd_check_events()
  scsi: dc395x: Open-code status_byte(u8) calls
  scsi: 53c700: Open-code status_byte(u8) calls
  scsi: smartpqi: Remove unused functions
  scsi: qla4xxx: Remove an unused function
  scsi: myrs: Remove unused functions
  scsi: myrb: Remove unused functions
  scsi: mpt3sas: Fix two kernel-doc headers
  scsi: fcoe: Suppress a compiler warning
  scsi: libfc: Fix a format specifier
  scsi: aacraid: Remove an unused function
  scsi: core: Introduce enum scsi_disposition
  scsi: core: Modify the scsi_send_eh_cmnd() return value for the SDEV_BLOCK case
  scsi: core: Rename scsi_softirq_done() into scsi_complete()
  scsi: core: Remove an incorrect comment
  scsi: core: Make the scsi_alloc_sgtables() documentation more accurate
  ...

1 files changed, 133 insertions, 18 deletions

diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index 12035baf0997..0b8802beb7ce 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -41,6 +41,7 @@
 #include <linux/slab.h>
 #include "pm8001_sas.h"
 #include "pm8001_ctl.h"
+#include "pm8001_chips.h"
 
 /* scsi host attributes */
 
@@ -299,7 +300,7 @@ static DEVICE_ATTR(sas_spec_support, S_IRUGO,
 		   pm8001_ctl_sas_spec_support_show, NULL);
 
 /**
- * pm8001_ctl_sas_address_show - sas address
+ * pm8001_ctl_host_sas_address_show - sas address
  * @cdev: pointer to embedded class device
  * @attr: device attribute (unused)
  * @buf: the buffer returned
@@ -369,24 +370,22 @@ static ssize_t pm8001_ctl_aap_log_show(struct device *cdev,
 	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;
+	u8 *ptr = (u8 *)pm8001_ha->memoryMap.region[AAP1].virt_ptr;
 	int i;
-#define AAP1_MEMMAP(r, c) \
-	(*(u32 *)((u8*)pm8001_ha->memoryMap.region[AAP1].virt_ptr + (r) * 32 \
-	+ (c)))
 
 	char *str = buf;
 	int max = 2;
 	for (i = 0; i < max; i++) {
 		str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x"
 			       "0x%08x 0x%08x\n",
-			       AAP1_MEMMAP(i, 0),
-			       AAP1_MEMMAP(i, 4),
-			       AAP1_MEMMAP(i, 8),
-			       AAP1_MEMMAP(i, 12),
-			       AAP1_MEMMAP(i, 16),
-			       AAP1_MEMMAP(i, 20),
-			       AAP1_MEMMAP(i, 24),
-			       AAP1_MEMMAP(i, 28));
+			       pm8001_ctl_aap1_memmap(ptr, i, 0),
+			       pm8001_ctl_aap1_memmap(ptr, i, 4),
+			       pm8001_ctl_aap1_memmap(ptr, i, 8),
+			       pm8001_ctl_aap1_memmap(ptr, i, 12),
+			       pm8001_ctl_aap1_memmap(ptr, i, 16),
+			       pm8001_ctl_aap1_memmap(ptr, i, 20),
+			       pm8001_ctl_aap1_memmap(ptr, i, 24),
+			       pm8001_ctl_aap1_memmap(ptr, i, 28));
 	}
 
 	return str - buf;
@@ -518,7 +517,7 @@ static ssize_t event_log_size_show(struct device *cdev,
 }
 static DEVICE_ATTR_RO(event_log_size);
 /**
- * pm8001_ctl_aap_log_show - IOP event log
+ * pm8001_ctl_iop_log_show - IOP event log
  * @cdev: pointer to embedded class device
  * @attr: device attribute (unused)
  * @buf: the buffer returned
@@ -647,8 +646,7 @@ struct flash_command {
      int     code;
 };
 
-static struct flash_command flash_command_table[] =
-{
+static const struct flash_command flash_command_table[] = {
      {"set_nvmd",    FLASH_CMD_SET_NVMD},
      {"update",      FLASH_CMD_UPDATE},
      {"",            FLASH_CMD_NONE} /* Last entry should be NULL. */
@@ -659,8 +657,7 @@ struct error_fw {
      int     err_code;
 };
 
-static struct error_fw flash_error_table[] =
-{
+static const struct error_fw flash_error_table[] = {
      {"Failed to open fw image file",	FAIL_OPEN_BIOS_FILE},
      {"image header mismatch",		FLASH_UPDATE_HDR_ERR},
      {"image offset mismatch",		FLASH_UPDATE_OFFSET_ERR},
@@ -883,9 +880,122 @@ static ssize_t pm8001_show_update_fw(struct device *cdev,
 			flash_error_table[i].err_code,
 			flash_error_table[i].reason);
 }
-
 static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP,
 	pm8001_show_update_fw, pm8001_store_update_fw);
+
+/**
+ * ctl_mpi_state_show - controller MPI state check
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+
+static const char *const mpiStateText[] = {
+	"MPI is not initialized",
+	"MPI is successfully initialized",
+	"MPI termination is in progress",
+	"MPI initialization failed with error in [31:16]"
+};
+
+static ssize_t ctl_mpi_state_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;
+	unsigned int mpidw0;
+
+	mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0);
+	return sysfs_emit(buf, "%s\n", mpiStateText[mpidw0 & 0x0003]);
+}
+static DEVICE_ATTR_RO(ctl_mpi_state);
+
+/**
+ * ctl_hmi_error_show - controller MPI initialization fails
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+
+static ssize_t ctl_hmi_error_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;
+	unsigned int mpidw0;
+
+	mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0);
+	return sysfs_emit(buf, "0x%08x\n", (mpidw0 >> 16));
+}
+static DEVICE_ATTR_RO(ctl_hmi_error);
+
+/**
+ * ctl_raae_count_show - controller raae count check
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+
+static ssize_t ctl_raae_count_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;
+	unsigned int raaecnt;
+
+	raaecnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 12);
+	return sysfs_emit(buf, "0x%08x\n", raaecnt);
+}
+static DEVICE_ATTR_RO(ctl_raae_count);
+
+/**
+ * ctl_iop0_count_show - controller iop0 count check
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+
+static ssize_t ctl_iop0_count_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;
+	unsigned int iop0cnt;
+
+	iop0cnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 16);
+	return sysfs_emit(buf, "0x%08x\n", iop0cnt);
+}
+static DEVICE_ATTR_RO(ctl_iop0_count);
+
+/**
+ * ctl_iop1_count_show - controller iop1 count check
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+
+static ssize_t ctl_iop1_count_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;
+	unsigned int iop1cnt;
+
+	iop1cnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 20);
+	return sysfs_emit(buf, "0x%08x\n", iop1cnt);
+
+}
+static DEVICE_ATTR_RO(ctl_iop1_count);
+
 struct device_attribute *pm8001_host_attrs[] = {
 	&dev_attr_interface_rev,
 	&dev_attr_controller_fatal_error,
@@ -909,6 +1019,11 @@ struct device_attribute *pm8001_host_attrs[] = {
 	&dev_attr_ob_log,
 	&dev_attr_ila_version,
 	&dev_attr_inc_fw_ver,
+	&dev_attr_ctl_mpi_state,
+	&dev_attr_ctl_hmi_error,
+	&dev_attr_ctl_raae_count,
+	&dev_attr_ctl_iop0_count,
+	&dev_attr_ctl_iop1_count,
 	NULL,
 };