aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDamien Le Moal <damien.lemoal@wdc.com>2020-07-06 21:33:45 +0900
committerMartin K. Petersen <martin.petersen@oracle.com>2020-07-08 01:00:30 -0400
commit2b46e5c14218c7382aa3907fb78453d8e43d359e (patch)
tree36503e0da54bc9dcf8314e4398f019fd3c131f45
parentscsi: zfcp: Avoid benign overflow of the Request Queue's free-level (diff)
downloadlinux-dev-2b46e5c14218c7382aa3907fb78453d8e43d359e.tar.xz
linux-dev-2b46e5c14218c7382aa3907fb78453d8e43d359e.zip
scsi: megaraid: Fix kdoc comments format
Fix kernel documentation comments to avoid various warnings when compiling with W=1. No functional changes. Link: https://lore.kernel.org/r/20200706123345.451783-1-damien.lemoal@wdc.com Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/megaraid.c206
-rw-r--r--drivers/scsi/megaraid/megaraid_mbox.c4
-rw-r--r--drivers/scsi/megaraid/megaraid_mm.c1
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c171
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c78
5 files changed, 250 insertions, 210 deletions
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index f27ffd088c8a..07ce31c546ba 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -124,7 +124,7 @@ static int trace_level;
/**
* mega_setup_mailbox()
- * @adapter - pointer to our soft state
+ * @adapter: pointer to our soft state
*
* Allocates a 8 byte aligned memory for the handshake mailbox.
*/
@@ -347,7 +347,7 @@ mega_query_adapter(adapter_t *adapter)
/**
* mega_runpendq()
- * @adapter - pointer to our soft state
+ * @adapter: pointer to our soft state
*
* Runs through the list of pending requests.
*/
@@ -413,8 +413,8 @@ static DEF_SCSI_QCMD(megaraid_queue)
/**
* mega_allocate_scb()
- * @adapter - pointer to our soft state
- * @cmd - scsi command from the mid-layer
+ * @adapter: pointer to our soft state
+ * @cmd: scsi command from the mid-layer
*
* Allocate a SCB structure. This is the central structure for controller
* commands.
@@ -444,9 +444,9 @@ mega_allocate_scb(adapter_t *adapter, struct scsi_cmnd *cmd)
/**
* mega_get_ldrv_num()
- * @adapter - pointer to our soft state
- * @cmd - scsi mid layer command
- * @channel - channel on the controller
+ * @adapter: pointer to our soft state
+ * @cmd: scsi mid layer command
+ * @channel: channel on the controller
*
* Calculate the logical drive number based on the information in scsi command
* and the channel number.
@@ -503,9 +503,9 @@ mega_get_ldrv_num(adapter_t *adapter, struct scsi_cmnd *cmd, int channel)
/**
* mega_build_cmd()
- * @adapter - pointer to our soft state
- * @cmd - Prepare using this scsi command
- * @busy - busy flag if no resources
+ * @adapter: pointer to our soft state
+ * @cmd: Prepare using this scsi command
+ * @busy: busy flag if no resources
*
* Prepares a command and scatter gather list for the controller. This routine
* also finds out if the commands is intended for a logical drive or a
@@ -937,11 +937,11 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
/**
* mega_prepare_passthru()
- * @adapter - pointer to our soft state
- * @scb - our scsi control block
- * @cmd - scsi command from the mid-layer
- * @channel - actual channel on the controller
- * @target - actual id on the controller.
+ * @adapter: pointer to our soft state
+ * @scb: our scsi control block
+ * @cmd: scsi command from the mid-layer
+ * @channel: actual channel on the controller
+ * @target: actual id on the controller.
*
* prepare a command for the scsi physical devices.
*/
@@ -1000,11 +1000,11 @@ mega_prepare_passthru(adapter_t *adapter, scb_t *scb, struct scsi_cmnd *cmd,
/**
* mega_prepare_extpassthru()
- * @adapter - pointer to our soft state
- * @scb - our scsi control block
- * @cmd - scsi command from the mid-layer
- * @channel - actual channel on the controller
- * @target - actual id on the controller.
+ * @adapter: pointer to our soft state
+ * @scb: our scsi control block
+ * @cmd: scsi command from the mid-layer
+ * @channel: actual channel on the controller
+ * @target: actual id on the controller.
*
* prepare a command for the scsi physical devices. This rountine prepares
* commands for devices which can take extended CDBs (>10 bytes)
@@ -1085,8 +1085,8 @@ __mega_runpendq(adapter_t *adapter)
/**
* issue_scb()
- * @adapter - pointer to our soft state
- * @scb - scsi control block
+ * @adapter: pointer to our soft state
+ * @scb: scsi control block
*
* Post a command to the card if the mailbox is available, otherwise return
* busy. We also take the scb from the pending list if the mailbox is
@@ -1166,8 +1166,8 @@ mega_busywait_mbox (adapter_t *adapter)
/**
* issue_scb_block()
- * @adapter - pointer to our soft state
- * @raw_mbox - the mailbox
+ * @adapter: pointer to our soft state
+ * @raw_mbox: the mailbox
*
* Issue a scb in synchronous and non-interrupt mode
*/
@@ -1247,8 +1247,8 @@ bug_blocked_mailbox:
/**
* megaraid_isr_iomapped()
- * @irq - irq
- * @devp - pointer to our soft state
+ * @irq: irq
+ * @devp: pointer to our soft state
*
* Interrupt service routine for io-mapped controllers.
* Find out if our device is interrupting. If yes, acknowledge the interrupt
@@ -1323,8 +1323,8 @@ megaraid_isr_iomapped(int irq, void *devp)
/**
* megaraid_isr_memmapped()
- * @irq - irq
- * @devp - pointer to our soft state
+ * @irq: irq
+ * @devp: pointer to our soft state
*
* Interrupt service routine for memory-mapped controllers.
* Find out if our device is interrupting. If yes, acknowledge the interrupt
@@ -1401,10 +1401,10 @@ megaraid_isr_memmapped(int irq, void *devp)
}
/**
* mega_cmd_done()
- * @adapter - pointer to our soft state
- * @completed - array of ids of completed commands
- * @nstatus - number of completed commands
- * @status - status of the last command completed
+ * @adapter: pointer to our soft state
+ * @completed: array of ids of completed commands
+ * @nstatus: number of completed commands
+ * @status: status of the last command completed
*
* Complete the commands and call the scsi mid-layer callback hooks.
*/
@@ -1921,9 +1921,9 @@ megaraid_reset(struct scsi_cmnd *cmd)
/**
* megaraid_abort_and_reset()
- * @adapter - megaraid soft state
- * @cmd - scsi command to be aborted or reset
- * @aor - abort or reset flag
+ * @adapter: megaraid soft state
+ * @cmd: scsi command to be aborted or reset
+ * @aor: abort or reset flag
*
* Try to locate the scsi command in the pending queue. If found and is not
* issued to the controller, abort/reset it. Otherwise return failure
@@ -2021,8 +2021,8 @@ free_local_pdev(struct pci_dev *pdev)
/**
* mega_allocate_inquiry()
- * @dma_handle - handle returned for dma address
- * @pdev - handle to pci device
+ * @dma_handle: handle returned for dma address
+ * @pdev: handle to pci device
*
* allocates memory for inquiry structure
*/
@@ -2045,8 +2045,8 @@ mega_free_inquiry(void *inquiry, dma_addr_t dma_handle, struct pci_dev *pdev)
/**
* proc_show_config()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display configuration information about the controller.
*/
@@ -2109,8 +2109,8 @@ proc_show_config(struct seq_file *m, void *v)
/**
* proc_show_stat()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display statistical information about the I/O activity.
*/
@@ -2143,8 +2143,8 @@ proc_show_stat(struct seq_file *m, void *v)
/**
* proc_show_mbox()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display mailbox information for the last command issued. This information
* is good for debugging.
@@ -2171,8 +2171,8 @@ proc_show_mbox(struct seq_file *m, void *v)
/**
* proc_show_rebuild_rate()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display current rebuild rate
*/
@@ -2214,8 +2214,8 @@ free_pdev:
/**
* proc_show_battery()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display information about the battery module on the controller.
*/
@@ -2317,9 +2317,9 @@ mega_print_inquiry(struct seq_file *m, char *scsi_inq)
/**
* proc_show_pdrv()
- * @m - Synthetic file construction data
- * @page - buffer to write the data in
- * @adapter - pointer to our soft state
+ * @m: Synthetic file construction data
+ * @adapter: pointer to our soft state
+ * @channel: channel
*
* Display information about the physical drives.
*/
@@ -2433,8 +2433,8 @@ free_pdev:
/**
* proc_show_pdrv_ch0()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display information about the physical drives on physical channel 0.
*/
@@ -2447,8 +2447,8 @@ proc_show_pdrv_ch0(struct seq_file *m, void *v)
/**
* proc_show_pdrv_ch1()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display information about the physical drives on physical channel 1.
*/
@@ -2461,8 +2461,8 @@ proc_show_pdrv_ch1(struct seq_file *m, void *v)
/**
* proc_show_pdrv_ch2()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display information about the physical drives on physical channel 2.
*/
@@ -2475,8 +2475,8 @@ proc_show_pdrv_ch2(struct seq_file *m, void *v)
/**
* proc_show_pdrv_ch3()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display information about the physical drives on physical channel 3.
*/
@@ -2489,10 +2489,10 @@ proc_show_pdrv_ch3(struct seq_file *m, void *v)
/**
* proc_show_rdrv()
- * @m - Synthetic file construction data
- * @adapter - pointer to our soft state
- * @start - starting logical drive to display
- * @end - ending logical drive to display
+ * @m: Synthetic file construction data
+ * @adapter: pointer to our soft state
+ * @start: starting logical drive to display
+ * @end: ending logical drive to display
*
* We do not print the inquiry information since its already available through
* /proc/scsi/scsi interface
@@ -2674,8 +2674,8 @@ free_pdev:
/**
* proc_show_rdrv_10()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display real time information about the logical drives 0 through 9.
*/
@@ -2688,8 +2688,8 @@ proc_show_rdrv_10(struct seq_file *m, void *v)
/**
* proc_show_rdrv_20()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display real time information about the logical drives 0 through 9.
*/
@@ -2702,8 +2702,8 @@ proc_show_rdrv_20(struct seq_file *m, void *v)
/**
* proc_show_rdrv_30()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display real time information about the logical drives 0 through 9.
*/
@@ -2716,8 +2716,8 @@ proc_show_rdrv_30(struct seq_file *m, void *v)
/**
* proc_show_rdrv_40()
- * @m - Synthetic file construction data
- * @v - File iterator
+ * @m: Synthetic file construction data
+ * @v: File iterator
*
* Display real time information about the logical drives 0 through 9.
*/
@@ -2729,8 +2729,8 @@ proc_show_rdrv_40(struct seq_file *m, void *v)
/**
* mega_create_proc_entry()
- * @index - index in soft state array
- * @parent - parent node for this /proc entry
+ * @index: index in soft state array
+ * @parent: parent node for this /proc entry
*
* Creates /proc entries for our controllers.
*/
@@ -2785,7 +2785,7 @@ static inline void mega_create_proc_entry(int index, struct proc_dir_entry *pare
#endif
-/**
+/*
* megaraid_biosparam()
*
* Return the disk geometry for a particular disk
@@ -2854,7 +2854,7 @@ megaraid_biosparam(struct scsi_device *sdev, struct block_device *bdev,
/**
* mega_init_scb()
- * @adapter - pointer to our soft state
+ * @adapter: pointer to our soft state
*
* Allocate memory for the various pointers in the scb structures:
* scatter-gather list pointer, passthru and extended passthru structure
@@ -2934,8 +2934,8 @@ mega_init_scb(adapter_t *adapter)
/**
* megadev_open()
- * @inode - unused
- * @filep - unused
+ * @inode: unused
+ * @filep: unused
*
* Routines for the character/ioctl interface to the driver. Find out if this
* is a valid open.
@@ -2954,10 +2954,9 @@ megadev_open (struct inode *inode, struct file *filep)
/**
* megadev_ioctl()
- * @inode - Our device inode
- * @filep - unused
- * @cmd - ioctl command
- * @arg - user buffer
+ * @filep: Our device file
+ * @cmd: ioctl command
+ * @arg: user buffer
*
* ioctl entry point for our private ioctl interface. We move the data in from
* the user space, prepare the command (if necessary, convert the old MIMD
@@ -3370,8 +3369,8 @@ megadev_unlocked_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
/**
* mega_m_to_n()
- * @arg - user address
- * @uioc - new ioctl structure
+ * @arg: user address
+ * @uioc: new ioctl structure
*
* A thin layer to convert older mimd interface ioctl structure to NIT ioctl
* structure
@@ -3498,8 +3497,8 @@ mega_m_to_n(void __user *arg, nitioctl_t *uioc)
/*
* mega_n_to_m()
- * @arg - user address
- * @mc - mailbox command
+ * @arg: user address
+ * @mc: mailbox command
*
* Updates the status information to the application, depending on application
* conforms to older mimd ioctl interface or newer NIT ioctl interface
@@ -3565,7 +3564,7 @@ mega_n_to_m(void __user *arg, megacmd_t *mc)
/**
* mega_is_bios_enabled()
- * @adapter - pointer to our soft state
+ * @adapter: pointer to our soft state
*
* issue command to find out if the BIOS is enabled for this controller
*/
@@ -3596,7 +3595,7 @@ mega_is_bios_enabled(adapter_t *adapter)
/**
* mega_enum_raid_scsi()
- * @adapter - pointer to our soft state
+ * @adapter: pointer to our soft state
*
* Find out what channels are RAID/SCSI. This information is used to
* differentiate the virtual channels and physical channels and to support
@@ -3651,7 +3650,7 @@ mega_enum_raid_scsi(adapter_t *adapter)
/**
* mega_get_boot_drv()
- * @adapter - pointer to our soft state
+ * @adapter: pointer to our soft state
*
* Find out which device is the boot device. Note, any logical drive or any
* phyical device (e.g., a CDROM) can be designated as a boot device.
@@ -3718,7 +3717,7 @@ mega_get_boot_drv(adapter_t *adapter)
/**
* mega_support_random_del()
- * @adapter - pointer to our soft state
+ * @adapter: pointer to our soft state
*
* Find out if this controller supports random deletion and addition of
* logical drives
@@ -3748,7 +3747,7 @@ mega_support_random_del(adapter_t *adapter)
/**
* mega_support_ext_cdb()
- * @adapter - pointer to our soft state
+ * @adapter: pointer to our soft state
*
* Find out if this firmware support cdblen > 10
*/
@@ -3776,8 +3775,8 @@ mega_support_ext_cdb(adapter_t *adapter)
/**
* mega_del_logdrv()
- * @adapter - pointer to our soft state
- * @logdrv - logical drive to be deleted
+ * @adapter: pointer to our soft state
+ * @logdrv: logical drive to be deleted
*
* Delete the specified logical drive. It is the responsibility of the user
* app to let the OS know about this operation.
@@ -3862,7 +3861,7 @@ mega_do_del_logdrv(adapter_t *adapter, int logdrv)
/**
* mega_get_max_sgl()
- * @adapter - pointer to our soft state
+ * @adapter: pointer to our soft state
*
* Find out the maximum number of scatter-gather elements supported by this
* version of the firmware
@@ -3908,7 +3907,7 @@ mega_get_max_sgl(adapter_t *adapter)
/**
* mega_support_cluster()
- * @adapter - pointer to our soft state
+ * @adapter: pointer to our soft state
*
* Find out if this firmware support cluster calls.
*/
@@ -3950,8 +3949,8 @@ mega_support_cluster(adapter_t *adapter)
#ifdef CONFIG_PROC_FS
/**
* mega_adapinq()
- * @adapter - pointer to our soft state
- * @dma_handle - DMA address of the buffer
+ * @adapter: pointer to our soft state
+ * @dma_handle: DMA address of the buffer
*
* Issue internal commands while interrupts are available.
* We only issue direct mailbox commands from within the driver. ioctl()
@@ -3983,11 +3982,12 @@ mega_adapinq(adapter_t *adapter, dma_addr_t dma_handle)
}
-/** mega_internal_dev_inquiry()
- * @adapter - pointer to our soft state
- * @ch - channel for this device
- * @tgt - ID of this device
- * @buf_dma_handle - DMA address of the buffer
+/**
+ * mega_internal_dev_inquiry()
+ * @adapter: pointer to our soft state
+ * @ch: channel for this device
+ * @tgt: ID of this device
+ * @buf_dma_handle: DMA address of the buffer
*
* Issue the scsi inquiry for the specified device.
*/
@@ -4056,9 +4056,9 @@ mega_internal_dev_inquiry(adapter_t *adapter, u8 ch, u8 tgt,
/**
* mega_internal_command()
- * @adapter - pointer to our soft state
- * @mc - the mailbox command
- * @pthru - Passthru structure for DCDB commands
+ * @adapter: pointer to our soft state
+ * @mc: the mailbox command
+ * @pthru: Passthru structure for DCDB commands
*
* Issue the internal commands in interrupt mode.
* The last argument is the address of the passthru structure if the command
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index 8f918df631bf..19469a2c0ea3 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -3304,7 +3304,6 @@ blocked_mailbox:
* megaraid_mbox_display_scb - display SCB information, mostly debug purposes
* @adapter : controller's soft state
* @scb : SCB to be displayed
- * @level : debug level for console print
*
* Diplay information about the given SCB iff the current debug level is
* verbose.
@@ -3972,7 +3971,8 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter)
/**
* megaraid_sysfs_show_app_hndl - display application handle for this adapter
- * @cdev : class device object representation for the host
+ * @dev : class device object representation for the host
+ * @attr : device attribute (unused)
* @buf : buffer to send data to
*
* Display the handle used by the applications while executing management
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index e83163c66884..8df53446641a 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -95,7 +95,6 @@ mraid_mm_open(struct inode *inode, struct file *filep)
/**
* mraid_mm_ioctl - module entry-point for ioctls
- * @inode : inode (ignored)
* @filep : file operations pointer (ignored)
* @cmd : ioctl command
* @arg : user ioctl packet
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 00668335c2af..2fda0dca122a 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -427,14 +427,14 @@ megasas_decode_evt(struct megasas_instance *instance)
evt_detail->description);
}
-/**
-* The following functions are defined for xscale
-* (deviceid : 1064R, PERC5) controllers
-*/
+/*
+ * The following functions are defined for xscale
+ * (deviceid : 1064R, PERC5) controllers
+ */
/**
* megasas_enable_intr_xscale - Enables interrupts
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static inline void
megasas_enable_intr_xscale(struct megasas_instance *instance)
@@ -450,7 +450,7 @@ megasas_enable_intr_xscale(struct megasas_instance *instance)
/**
* megasas_disable_intr_xscale -Disables interrupt
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static inline void
megasas_disable_intr_xscale(struct megasas_instance *instance)
@@ -466,7 +466,7 @@ megasas_disable_intr_xscale(struct megasas_instance *instance)
/**
* megasas_read_fw_status_reg_xscale - returns the current FW status value
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static u32
megasas_read_fw_status_reg_xscale(struct megasas_instance *instance)
@@ -475,7 +475,7 @@ megasas_read_fw_status_reg_xscale(struct megasas_instance *instance)
}
/**
* megasas_clear_interrupt_xscale - Check & clear interrupt
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static int
megasas_clear_intr_xscale(struct megasas_instance *instance)
@@ -509,9 +509,10 @@ megasas_clear_intr_xscale(struct megasas_instance *instance)
/**
* megasas_fire_cmd_xscale - Sends command to the FW
- * @frame_phys_addr : Physical address of cmd
- * @frame_count : Number of frames for the command
- * @regs : MFI register set
+ * @instance: Adapter soft state
+ * @frame_phys_addr : Physical address of cmd
+ * @frame_count : Number of frames for the command
+ * @regs : MFI register set
*/
static inline void
megasas_fire_cmd_xscale(struct megasas_instance *instance,
@@ -529,7 +530,8 @@ megasas_fire_cmd_xscale(struct megasas_instance *instance,
/**
* megasas_adp_reset_xscale - For controller reset
- * @regs: MFI register set
+ * @instance: Adapter soft state
+ * @regs: MFI register set
*/
static int
megasas_adp_reset_xscale(struct megasas_instance *instance,
@@ -570,7 +572,8 @@ megasas_adp_reset_xscale(struct megasas_instance *instance,
/**
* megasas_check_reset_xscale - For controller reset check
- * @regs: MFI register set
+ * @instance: Adapter soft state
+ * @regs: MFI register set
*/
static int
megasas_check_reset_xscale(struct megasas_instance *instance,
@@ -599,19 +602,19 @@ static struct megasas_instance_template megasas_instance_template_xscale = {
.issue_dcmd = megasas_issue_dcmd,
};
-/**
-* This is the end of set of functions & definitions specific
-* to xscale (deviceid : 1064R, PERC5) controllers
-*/
+/*
+ * This is the end of set of functions & definitions specific
+ * to xscale (deviceid : 1064R, PERC5) controllers
+ */
-/**
-* The following functions are defined for ppc (deviceid : 0x60)
-* controllers
-*/
+/*
+ * The following functions are defined for ppc (deviceid : 0x60)
+ * controllers
+ */
/**
* megasas_enable_intr_ppc - Enables interrupts
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static inline void
megasas_enable_intr_ppc(struct megasas_instance *instance)
@@ -629,7 +632,7 @@ megasas_enable_intr_ppc(struct megasas_instance *instance)
/**
* megasas_disable_intr_ppc - Disable interrupt
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static inline void
megasas_disable_intr_ppc(struct megasas_instance *instance)
@@ -645,7 +648,7 @@ megasas_disable_intr_ppc(struct megasas_instance *instance)
/**
* megasas_read_fw_status_reg_ppc - returns the current FW status value
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static u32
megasas_read_fw_status_reg_ppc(struct megasas_instance *instance)
@@ -655,7 +658,7 @@ megasas_read_fw_status_reg_ppc(struct megasas_instance *instance)
/**
* megasas_clear_interrupt_ppc - Check & clear interrupt
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static int
megasas_clear_intr_ppc(struct megasas_instance *instance)
@@ -688,9 +691,10 @@ megasas_clear_intr_ppc(struct megasas_instance *instance)
/**
* megasas_fire_cmd_ppc - Sends command to the FW
- * @frame_phys_addr : Physical address of cmd
- * @frame_count : Number of frames for the command
- * @regs : MFI register set
+ * @instance: Adapter soft state
+ * @frame_phys_addr: Physical address of cmd
+ * @frame_count: Number of frames for the command
+ * @regs: MFI register set
*/
static inline void
megasas_fire_cmd_ppc(struct megasas_instance *instance,
@@ -708,7 +712,8 @@ megasas_fire_cmd_ppc(struct megasas_instance *instance,
/**
* megasas_check_reset_ppc - For controller reset check
- * @regs: MFI register set
+ * @instance: Adapter soft state
+ * @regs: MFI register set
*/
static int
megasas_check_reset_ppc(struct megasas_instance *instance,
@@ -738,7 +743,7 @@ static struct megasas_instance_template megasas_instance_template_ppc = {
/**
* megasas_enable_intr_skinny - Enables interrupts
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static inline void
megasas_enable_intr_skinny(struct megasas_instance *instance)
@@ -756,7 +761,7 @@ megasas_enable_intr_skinny(struct megasas_instance *instance)
/**
* megasas_disable_intr_skinny - Disables interrupt
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static inline void
megasas_disable_intr_skinny(struct megasas_instance *instance)
@@ -772,7 +777,7 @@ megasas_disable_intr_skinny(struct megasas_instance *instance)
/**
* megasas_read_fw_status_reg_skinny - returns the current FW status value
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static u32
megasas_read_fw_status_reg_skinny(struct megasas_instance *instance)
@@ -782,7 +787,7 @@ megasas_read_fw_status_reg_skinny(struct megasas_instance *instance)
/**
* megasas_clear_interrupt_skinny - Check & clear interrupt
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static int
megasas_clear_intr_skinny(struct megasas_instance *instance)
@@ -825,9 +830,10 @@ megasas_clear_intr_skinny(struct megasas_instance *instance)
/**
* megasas_fire_cmd_skinny - Sends command to the FW
- * @frame_phys_addr : Physical address of cmd
- * @frame_count : Number of frames for the command
- * @regs : MFI register set
+ * @instance: Adapter soft state
+ * @frame_phys_addr: Physical address of cmd
+ * @frame_count: Number of frames for the command
+ * @regs: MFI register set
*/
static inline void
megasas_fire_cmd_skinny(struct megasas_instance *instance,
@@ -847,7 +853,8 @@ megasas_fire_cmd_skinny(struct megasas_instance *instance,
/**
* megasas_check_reset_skinny - For controller reset check
- * @regs: MFI register set
+ * @instance: Adapter soft state
+ * @regs: MFI register set
*/
static int
megasas_check_reset_skinny(struct megasas_instance *instance,
@@ -876,14 +883,14 @@ static struct megasas_instance_template megasas_instance_template_skinny = {
};
-/**
-* The following functions are defined for gen2 (deviceid : 0x78 0x79)
-* controllers
-*/
+/*
+ * The following functions are defined for gen2 (deviceid : 0x78 0x79)
+ * controllers
+ */
/**
* megasas_enable_intr_gen2 - Enables interrupts
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static inline void
megasas_enable_intr_gen2(struct megasas_instance *instance)
@@ -902,7 +909,7 @@ megasas_enable_intr_gen2(struct megasas_instance *instance)
/**
* megasas_disable_intr_gen2 - Disables interrupt
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static inline void
megasas_disable_intr_gen2(struct megasas_instance *instance)
@@ -918,7 +925,7 @@ megasas_disable_intr_gen2(struct megasas_instance *instance)
/**
* megasas_read_fw_status_reg_gen2 - returns the current FW status value
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static u32
megasas_read_fw_status_reg_gen2(struct megasas_instance *instance)
@@ -928,7 +935,7 @@ megasas_read_fw_status_reg_gen2(struct megasas_instance *instance)
/**
* megasas_clear_interrupt_gen2 - Check & clear interrupt
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static int
megasas_clear_intr_gen2(struct megasas_instance *instance)
@@ -961,11 +968,13 @@ megasas_clear_intr_gen2(struct megasas_instance *instance)
return mfiStatus;
}
+
/**
* megasas_fire_cmd_gen2 - Sends command to the FW
- * @frame_phys_addr : Physical address of cmd
- * @frame_count : Number of frames for the command
- * @regs : MFI register set
+ * @instance: Adapter soft state
+ * @frame_phys_addr: Physical address of cmd
+ * @frame_count: Number of frames for the command
+ * @regs: MFI register set
*/
static inline void
megasas_fire_cmd_gen2(struct megasas_instance *instance,
@@ -983,7 +992,8 @@ megasas_fire_cmd_gen2(struct megasas_instance *instance,
/**
* megasas_adp_reset_gen2 - For controller reset
- * @regs: MFI register set
+ * @instance: Adapter soft state
+ * @reg_set: MFI register set
*/
static int
megasas_adp_reset_gen2(struct megasas_instance *instance,
@@ -1043,7 +1053,8 @@ megasas_adp_reset_gen2(struct megasas_instance *instance,
/**
* megasas_check_reset_gen2 - For controller reset check
- * @regs: MFI register set
+ * @instance: Adapter soft state
+ * @regs: MFI register set
*/
static int
megasas_check_reset_gen2(struct megasas_instance *instance,
@@ -1071,10 +1082,10 @@ static struct megasas_instance_template megasas_instance_template_gen2 = {
.issue_dcmd = megasas_issue_dcmd,
};
-/**
-* This is the end of set of functions & definitions
-* specific to gen2 (deviceid : 0x78, 0x79) controllers
-*/
+/*
+ * This is the end of set of functions & definitions
+ * specific to gen2 (deviceid : 0x78, 0x79) controllers
+ */
/*
* Template added for TB (Fusion)
@@ -1609,7 +1620,7 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
/**
* megasas_cmd_type - Checks if the cmd is for logical drive/sysPD
* and whether it's RW or non RW
- * @scmd: SCSI command
+ * @cmd: SCSI command
*
*/
inline int megasas_cmd_type(struct scsi_cmnd *cmd)
@@ -1749,8 +1760,8 @@ out_return_cmd:
/**
* megasas_queue_command - Queue entry point
+ * @shost: adapter SCSI host
* @scmd: SCSI command to be queued
- * @done: Callback entry point
*/
static int
megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
@@ -2916,11 +2927,7 @@ megasas_dump(void *buf, int sz, int format)
/**
* megasas_dump_reg_set - This function will print hexdump of register set
- * @buf: Buffer to be dumped
- * @sz: Size in bytes
- * @format: Different formats of dumping e.g. format=n will
- * cause only 'n' 32 bit words to be dumped in a
- * single line.
+ * @reg_set: Register set to be dumped
*/
inline void
megasas_dump_reg_set(void __iomem *reg_set)
@@ -2997,6 +3004,7 @@ megasas_dump_sys_regs(void __iomem *reg_set, char *buf)
/**
* megasas_reset_bus_host - Bus & host reset handler entry point
+ * @scmd: Mid-layer SCSI command
*/
static int megasas_reset_bus_host(struct scsi_cmnd *scmd)
{
@@ -3777,7 +3785,7 @@ megasas_issue_pending_cmds_again(struct megasas_instance *instance)
megasas_register_aen(instance, seq_num, class_locale.word);
}
-/**
+/*
* Move the internal reset pending commands to a deferred queue.
*
* We move the commands pending at internal reset time to a
@@ -3785,7 +3793,7 @@ megasas_issue_pending_cmds_again(struct megasas_instance *instance)
* completion of the internal reset sequence. if the internal reset
* did not complete in time, the kernel reset handler would flush
* these commands.
- **/
+ */
static void
megasas_internal_reset_defer_cmds(struct megasas_instance *instance)
{
@@ -3963,8 +3971,11 @@ megasas_deplete_reply_queue(struct megasas_instance *instance,
tasklet_schedule(&instance->isr_tasklet);
return IRQ_HANDLED;
}
+
/**
* megasas_isr - isr entry point
+ * @irq: IRQ number
+ * @devp: IRQ context address
*/
static irqreturn_t megasas_isr(int irq, void *devp)
{
@@ -3986,6 +3997,7 @@ static irqreturn_t megasas_isr(int irq, void *devp)
/**
* megasas_transition_to_ready - Move the FW to READY state
* @instance: Adapter soft state
+ * @ocr: Adapter reset state
*
* During the initialization, FW passes can potentially be in any one of
* several possible states. If the FW in operational, waiting-for-handshake
@@ -4743,7 +4755,7 @@ megasas_get_ld_list(struct megasas_instance *instance)
/**
* megasas_ld_list_query - Returns FW's ld_list structure
* @instance: Adapter soft state
- * @ld_list: ld_list structure
+ * @query_type: ld_list structure type
*
* Issues an internal command (DCMD) to get the FW's controller PD
* list structure. This information is mainly used to find out SYSTEM
@@ -5653,7 +5665,6 @@ megasas_destroy_irqs(struct megasas_instance *instance) {
/**
* megasas_setup_jbod_map - setup jbod map for FP seq_number.
* @instance: Adapter soft state
- * @is_probe: Driver probe check
*
* Return 0 on success.
*/
@@ -6494,7 +6505,7 @@ dcmd_failed:
* megasas_register_aen - Registers for asynchronous event notification
* @instance: Adapter soft state
* @seq_num: The starting sequence number
- * @class_locale: Class of the event
+ * @class_locale_word: Class of the event
*
* This function subscribes for AEN for events beyond the @seq_num. It requests
* to be notified if and only if the event is of type @class_locale
@@ -7014,8 +7025,9 @@ static inline void megasas_free_ctrl_mem(struct megasas_instance *instance)
* megasas_alloc_ctrl_dma_buffers - Allocate consistent DMA buffers during
* driver load time
*
- * @instance- Adapter soft instance
- * @return- O for SUCCESS
+ * @instance: Adapter soft instance
+ *
+ * @return: O for SUCCESS
*/
static inline
int megasas_alloc_ctrl_dma_buffers(struct megasas_instance *instance)
@@ -7931,7 +7943,7 @@ skip_firing_dcmds:
/**
* megasas_shutdown - Shutdown entry point
- * @device: Generic device structure
+ * @pdev: Generic device structure
*/
static void megasas_shutdown(struct pci_dev *pdev)
{
@@ -7956,8 +7968,10 @@ skip_firing_dcmds:
pci_free_irq_vectors(instance->pdev);
}
-/**
+/*
* megasas_mgmt_open - char node "open" entry point
+ * @inode: char node inode
+ * @filep: char node file
*/
static int megasas_mgmt_open(struct inode *inode, struct file *filep)
{
@@ -7970,8 +7984,11 @@ static int megasas_mgmt_open(struct inode *inode, struct file *filep)
return 0;
}
-/**
+/*
* megasas_mgmt_fasync - Async notifier registration from applications
+ * @fd: char node file descriptor number
+ * @filep: char node file
+ * @mode: notifier on/off
*
* This function adds the calling process to a driver global queue. When an
* event occurs, SIGIO will be sent to all processes in this queue.
@@ -7997,9 +8014,11 @@ static int megasas_mgmt_fasync(int fd, struct file *filep, int mode)
return rc;
}
-/**
+/*
* megasas_mgmt_poll - char node "poll" entry point
- * */
+ * @filep: char node file
+ * @wait: Events to poll for
+ */
static __poll_t megasas_mgmt_poll(struct file *file, poll_table *wait)
{
__poll_t mask;
@@ -8057,7 +8076,8 @@ static int megasas_set_crash_dump_params_ioctl(struct megasas_cmd *cmd)
/**
* megasas_mgmt_fw_ioctl - Issues management ioctls to FW
* @instance: Adapter soft state
- * @argp: User's ioctl packet
+ * @user_ioc: User's ioctl packet
+ * @ioc: ioctl packet
*/
static int
megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
@@ -8397,6 +8417,9 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg)
/**
* megasas_mgmt_ioctl - char node ioctl entry point
+ * @file: char device file pointer
+ * @cmd: ioctl command
+ * @arg: ioctl command arguments address
*/
static long
megasas_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 319f241da4b6..c4f15a52f86b 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -90,9 +90,9 @@ extern u32 megasas_readl(struct megasas_instance *instance,
/**
* megasas_adp_reset_wait_for_ready - initiate chip reset and wait for
* controller to come to ready state
- * @instance - adapter's soft state
- * @do_adp_reset - If true, do a chip reset
- * @ocr_context - If called from OCR context this will
+ * @instance: adapter's soft state
+ * @do_adp_reset: If true, do a chip reset
+ * @ocr_context: If called from OCR context this will
* be set to 1, else 0
*
* This function initates a chip reset followed by a wait for controller to
@@ -146,10 +146,10 @@ out:
/**
* megasas_check_same_4gb_region - check if allocation
* crosses same 4GB boundary or not
- * @instance - adapter's soft instance
- * start_addr - start address of DMA allocation
- * size - size of allocation in bytes
- * return - true : allocation does not cross same
+ * @instance: adapter's soft instance
+ * @start_addr: start address of DMA allocation
+ * @size: size of allocation in bytes
+ * @return: true : allocation does not cross same
* 4GB boundary
* false: allocation crosses same
* 4GB boundary
@@ -174,7 +174,7 @@ static inline bool megasas_check_same_4gb_region
/**
* megasas_enable_intr_fusion - Enables interrupts
- * @regs: MFI register set
+ * @instance: adapter's soft instance
*/
static void
megasas_enable_intr_fusion(struct megasas_instance *instance)
@@ -196,7 +196,7 @@ megasas_enable_intr_fusion(struct megasas_instance *instance)
/**
* megasas_disable_intr_fusion - Disables interrupt
- * @regs: MFI register set
+ * @instance: adapter's soft instance
*/
static void
megasas_disable_intr_fusion(struct megasas_instance *instance)
@@ -238,6 +238,7 @@ megasas_clear_intr_fusion(struct megasas_instance *instance)
/**
* megasas_get_cmd_fusion - Get a command from the free pool
* @instance: Adapter soft state
+ * @blk_tag: Command tag
*
* Returns a blk_tag indexed mpt frame
*/
@@ -309,8 +310,8 @@ megasas_fire_cmd_fusion(struct megasas_instance *instance,
/**
* megasas_fusion_update_can_queue - Do all Adapter Queue depth related calculations here
- * @instance: Adapter soft state
- * fw_boot_context: Whether this function called during probe or after OCR
+ * @instance: Adapter soft state
+ * @fw_boot_context: Whether this function called during probe or after OCR
*
* This function is only for fusion controllers.
* Update host can queue, if firmware downgrade max supported firmware commands.
@@ -1016,6 +1017,7 @@ fail_exit:
* wait_and_poll - Issues a polling command
* @instance: Adapter soft state
* @cmd: Command packet to be issued
+ * @seconds: Maximum poll time
*
* For polling, MFI requires the cmd_status to be set to 0xFF before posting.
*/
@@ -1906,6 +1908,7 @@ fail_alloc_mfi_cmds:
/**
* megasas_fault_detect_work - Worker function of
* FW fault handling workqueue.
+ * @work: FW fault work struct
*/
static void
megasas_fault_detect_work(struct work_struct *work)
@@ -1989,11 +1992,13 @@ megasas_fusion_stop_watchdog(struct megasas_instance *instance)
/**
* map_cmd_status - Maps FW cmd status to OS cmd status
- * @cmd : Pointer to cmd
- * @status : status of cmd returned by FW
- * @ext_status : ext status of cmd returned by FW
+ * @fusion: fusion context
+ * @scmd: Pointer to cmd
+ * @status: status of cmd returned by FW
+ * @ext_status: ext status of cmd returned by FW
+ * @data_length: command data length
+ * @sense: command sense data
*/
-
static void
map_cmd_status(struct fusion_context *fusion,
struct scsi_cmnd *scmd, u8 status, u8 ext_status,
@@ -2234,7 +2239,7 @@ megasas_make_prp_nvme(struct megasas_instance *instance, struct scsi_cmnd *scmd,
* @scp: SCSI command from the mid-layer
* @sgl_ptr: SGL to be filled in
* @cmd: cmd we are working on
- * @sge_count sge count
+ * @sge_count: sge count
*
*/
static void
@@ -2343,9 +2348,12 @@ int megasas_make_sgl(struct megasas_instance *instance, struct scsi_cmnd *scp,
/**
* megasas_set_pd_lba - Sets PD LBA
- * @cdb: CDB
+ * @io_request: IO request
* @cdb_len: cdb length
- * @start_blk: Start block of IO
+ * @io_info: IO information
+ * @scp: SCSI command
+ * @local_map_ptr: Raid map
+ * @ref_tag: Primary reference tag
*
* Used to set the PD LBA in CDB for FP IOs
*/
@@ -2603,10 +2611,12 @@ static void megasas_stream_detect(struct megasas_instance *instance,
* affinity (cpu of the controller) and raid_flags in the raid context
* based on IO type.
*
+ * @fusion: Fusion context
* @praid_context: IO RAID context
* @raid: LD raid map
* @fp_possible: Is fast path possible?
* @is_read: Is read IO?
+ * @scsi_buff_len: SCSI command buffer length
*
*/
static void
@@ -2940,7 +2950,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
/**
* megasas_build_ld_nonrw_fusion - prepares non rw ios for virtual disk
* @instance: Adapter soft state
- * @scp: SCSI command
+ * @scmd: SCSI command
* @cmd: Command to be prepared
*
* Prepares the io_request frame for non-rw io cmds for vd.
@@ -3028,7 +3038,7 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
/**
* megasas_build_syspd_fusion - prepares rw/non-rw ios for syspd
* @instance: Adapter soft state
- * @scp: SCSI command
+ * @scmd: SCSI command
* @cmd: Command to be prepared
* @fp_possible: parameter to detect fast path or firmware path io.
*
@@ -3405,7 +3415,7 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance,
* megasas_complete_r1_command -
* completes R1 FP write commands which has valid peer smid
* @instance: Adapter soft state
- * @cmd_fusion: MPT command frame
+ * @cmd: MPT command frame
*
*/
static inline void
@@ -3459,6 +3469,9 @@ megasas_complete_r1_command(struct megasas_instance *instance,
/**
* complete_cmd_fusion - Completes command
* @instance: Adapter soft state
+ * @MSIxIndex: MSI number
+ * @irq_context: IRQ context
+ *
* Completes all commands that is in reply descriptor queue
*/
static int
@@ -3634,6 +3647,7 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex,
/**
* megasas_enable_irq_poll() - enable irqpoll
+ * @instance: Adapter soft state
*/
static void megasas_enable_irq_poll(struct megasas_instance *instance)
{
@@ -3650,7 +3664,7 @@ static void megasas_enable_irq_poll(struct megasas_instance *instance)
/**
* megasas_sync_irqs - Synchronizes all IRQs owned by adapter
- * @instance: Adapter soft state
+ * @instance_addr: Adapter soft state address
*/
static void megasas_sync_irqs(unsigned long instance_addr)
{
@@ -3706,7 +3720,7 @@ int megasas_irqpoll(struct irq_poll *irqpoll, int budget)
/**
* megasas_complete_cmd_dpc_fusion - Completes command
- * @instance: Adapter soft state
+ * @instance_addr: Adapter soft state address
*
* Tasklet to complete cmds
*/
@@ -3729,6 +3743,8 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)
/**
* megasas_isr_fusion - isr entry point
+ * @irq: IRQ number
+ * @devp: IRQ context
*/
static irqreturn_t megasas_isr_fusion(int irq, void *devp)
{
@@ -3763,7 +3779,7 @@ static irqreturn_t megasas_isr_fusion(int irq, void *devp)
/**
* build_mpt_mfi_pass_thru - builds a cmd fo MFI Pass thru
* @instance: Adapter soft state
- * mfi_cmd: megasas_cmd pointer
+ * @mfi_cmd: megasas_cmd pointer
*
*/
static void
@@ -3880,7 +3896,7 @@ megasas_release_fusion(struct megasas_instance *instance)
/**
* megasas_read_fw_status_reg_fusion - returns the current FW status value
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static u32
megasas_read_fw_status_reg_fusion(struct megasas_instance *instance)
@@ -3891,7 +3907,7 @@ megasas_read_fw_status_reg_fusion(struct megasas_instance *instance)
/**
* megasas_alloc_host_crash_buffer - Host buffers for Crash dump collection from Firmware
* @instance: Controller's soft instance
- * return: Number of allocated host crash buffers
+ * @return: Number of allocated host crash buffers
*/
static void
megasas_alloc_host_crash_buffer(struct megasas_instance *instance)
@@ -3929,6 +3945,7 @@ megasas_free_host_crash_buffer(struct megasas_instance *instance)
/**
* megasas_adp_reset_fusion - For controller reset
+ * @instance: Controller's soft instance
* @regs: MFI register set
*/
static int
@@ -4006,6 +4023,7 @@ megasas_adp_reset_fusion(struct megasas_instance *instance,
/**
* megasas_check_reset_fusion - For controller reset check
+ * @instance: Controller's soft instance
* @regs: MFI register set
*/
static int
@@ -4335,8 +4353,8 @@ static int megasas_track_scsiio(struct megasas_instance *instance,
/**
* megasas_tm_response_code - translation of device response code
- * @ioc: per adapter object
- * @mpi_reply: MPI reply returned by firmware
+ * @instance: Controller's soft instance
+ * @mpi_reply: MPI reply returned by firmware
*
* Return nothing.
*/
@@ -4391,9 +4409,9 @@ megasas_tm_response_code(struct megasas_instance *instance,
* @device_handle: device handle
* @channel: the channel assigned by the OS
* @id: the id assigned by the OS
- * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in megaraid_sas_fusion.c)
* @smid_task: smid assigned to the task
- * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
+ * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in megaraid_sas_fusion.c)
+ * @mr_device_priv_data: private data
* Context: user
*
* MegaRaid use MPT interface for Task Magement request.