diff options
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fusion.c')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 93 |
1 files changed, 48 insertions, 45 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index fcf03f733e41..0824410f78f8 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -48,9 +48,6 @@ #include "megaraid_sas.h" -extern void megasas_free_cmds(struct megasas_instance *instance); -extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance - *instance); extern void megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, u8 alt_status); @@ -58,24 +55,14 @@ int wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, int seconds); -void -megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd); -int megasas_alloc_cmds(struct megasas_instance *instance); int megasas_clear_intr_fusion(struct megasas_instance *instance); -int -megasas_issue_polled(struct megasas_instance *instance, - struct megasas_cmd *cmd); -void -megasas_check_and_restore_queue_depth(struct megasas_instance *instance); int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); -void megaraid_sas_kill_hba(struct megasas_instance *instance); extern u32 megasas_dbg_lvl; int megasas_sriov_start_heartbeat(struct megasas_instance *instance, int initial); -void megasas_start_timer(struct megasas_instance *instance); extern struct megasas_mgmt_info megasas_mgmt_info; extern unsigned int resetwaittime; extern unsigned int dual_qdepth_disable; @@ -84,15 +71,13 @@ static void megasas_free_reply_fusion(struct megasas_instance *instance); static inline void megasas_configure_queue_sizes(struct megasas_instance *instance); static void megasas_fusion_crash_dump(struct megasas_instance *instance); -extern u32 megasas_readl(struct megasas_instance *instance, - const volatile void __iomem *addr); /** * 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 +131,10 @@ 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 +159,7 @@ 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 +181,7 @@ 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 +223,7 @@ 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 +295,8 @@ 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 +1002,7 @@ 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 +1893,7 @@ 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 +1977,13 @@ 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 +2224,7 @@ 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 +2333,12 @@ 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 +2596,12 @@ 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 +2935,7 @@ 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 +3023,7 @@ 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 +3400,7 @@ 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 +3454,9 @@ 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 +3632,7 @@ 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 +3649,7 @@ 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 +3705,7 @@ 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 +3728,8 @@ 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) { @@ -3761,7 +3762,7 @@ 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 @@ -3878,7 +3879,7 @@ 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) @@ -3889,7 +3890,7 @@ 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) @@ -3927,6 +3928,7 @@ 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 @@ -4004,6 +4006,7 @@ 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 @@ -4333,8 +4336,8 @@ 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. */ @@ -4389,9 +4392,9 @@ 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. |