linux/drivers/scsi/smartpqi/smartpqi_sis.h
Kevin Barnett 6d567dfee0 scsi: smartpqi: Add ctrl ready timeout module parameter
Allow user to override the default driver timeout for controller ready.

There are some rare configurations which require the driver to wait longer
than the normal 3 minutes for the controller to complete its bootup
sequence and be ready to accept commands from the driver.

The module parameter is:

ctrl_ready_timeout= { 0 | 30-1800 }

and specifies the timeout in seconds for the driver to wait for controller
ready. The valid range is 0 or 30-1800. The default value is 0, which
causes the driver to use a timeout of 180 seconds (3 minutes).

Link: https://lore.kernel.org/r/165730607666.177165.9221211345284471213.stgit@brunhilda
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-07-13 23:42:04 -04:00

38 lines
1.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* driver for Microchip PQI-based storage controllers
* Copyright (c) 2019-2021 Microchip Technology Inc. and its subsidiaries
* Copyright (c) 2016-2018 Microsemi Corporation
* Copyright (c) 2016 PMC-Sierra, Inc.
*
* Questions/Comments/Bugfixes to storagedev@microchip.com
*
*/
#if !defined(_SMARTPQI_SIS_H)
#define _SMARTPQI_SIS_H
void sis_verify_structures(void);
int sis_wait_for_ctrl_ready(struct pqi_ctrl_info *ctrl_info);
int sis_wait_for_ctrl_ready_resume(struct pqi_ctrl_info *ctrl_info);
bool sis_is_firmware_running(struct pqi_ctrl_info *ctrl_info);
bool sis_is_kernel_up(struct pqi_ctrl_info *ctrl_info);
int sis_get_ctrl_properties(struct pqi_ctrl_info *ctrl_info);
int sis_get_pqi_capabilities(struct pqi_ctrl_info *ctrl_info);
int sis_init_base_struct_addr(struct pqi_ctrl_info *ctrl_info);
void sis_enable_msix(struct pqi_ctrl_info *ctrl_info);
void sis_enable_intx(struct pqi_ctrl_info *ctrl_info);
void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info,
enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason);
int sis_pqi_reset_quiesce(struct pqi_ctrl_info *ctrl_info);
int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info);
void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value);
u32 sis_read_driver_scratch(struct pqi_ctrl_info *ctrl_info);
void sis_soft_reset(struct pqi_ctrl_info *ctrl_info);
u32 sis_get_product_id(struct pqi_ctrl_info *ctrl_info);
int sis_wait_for_fw_triage_completion(struct pqi_ctrl_info *ctrl_info);
extern unsigned int sis_ctrl_ready_timeout_secs;
#endif /* _SMARTPQI_SIS_H */