/* ******************************************************************************* ** O.S : Linux ** FILE NAME : arcmsr_hba.c ** BY : Nick Cheng, C.L. Huang ** Description: SCSI RAID Device Driver for Areca RAID Controller ******************************************************************************* ** Copyright (C) 2002 - 2014, Areca Technology Corporation All rights reserved ** ** Web site: www.areca.com.tw ** E-mail: [email protected] ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License version 2 as ** published by the Free Software Foundation. ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ******************************************************************************* ** Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions ** are met: ** 1. Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** 2. Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in the ** documentation and/or other materials provided with the distribution. ** 3. The name of the author may not be used to endorse or promote products ** derived from this software without specific prior written permission. ** ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING,BUT ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ******************************************************************************* ** For history of changes, see Documentation/scsi/ChangeLog.arcmsr ** Firmware Specification, see Documentation/scsi/arcmsr_spec.rst ******************************************************************************* */ #include <linux/module.h> #include <linux/reboot.h> #include <linux/spinlock.h> #include <linux/pci_ids.h> #include <linux/interrupt.h> #include <linux/moduleparam.h> #include <linux/errno.h> #include <linux/types.h> #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/timer.h> #include <linux/slab.h> #include <linux/pci.h> #include <linux/circ_buf.h> #include <asm/dma.h> #include <asm/io.h> #include <linux/uaccess.h> #include <scsi/scsi_host.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_tcq.h> #include <scsi/scsi_device.h> #include <scsi/scsi_transport.h> #include <scsi/scsicam.h> #include "arcmsr.h" MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_VERSION(…); static int msix_enable = …; module_param(msix_enable, int, S_IRUGO); MODULE_PARM_DESC(…) …; static int msi_enable = …; module_param(msi_enable, int, S_IRUGO); MODULE_PARM_DESC(…) …; static int host_can_queue = …; module_param(host_can_queue, int, S_IRUGO); MODULE_PARM_DESC(…) …; static int cmd_per_lun = …; module_param(cmd_per_lun, int, S_IRUGO); MODULE_PARM_DESC(…) …; static int dma_mask_64 = …; module_param(dma_mask_64, int, S_IRUGO); MODULE_PARM_DESC(…) …; static int set_date_time = …; module_param(set_date_time, int, S_IRUGO); MODULE_PARM_DESC(…) …; static int cmd_timeout = …; module_param(cmd_timeout, int, S_IRUGO); MODULE_PARM_DESC(…) …; #define ARCMSR_SLEEPTIME … #define ARCMSR_RETRYCOUNT … static wait_queue_head_t wait_q; static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd); static int arcmsr_iop_confirm(struct AdapterControlBlock *acb); static int arcmsr_abort(struct scsi_cmnd *); static int arcmsr_bus_reset(struct scsi_cmnd *); static int arcmsr_bios_param(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int *info); static int arcmsr_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd); static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id); static int __maybe_unused arcmsr_suspend(struct device *dev); static int __maybe_unused arcmsr_resume(struct device *dev); static void arcmsr_remove(struct pci_dev *pdev); static void arcmsr_shutdown(struct pci_dev *pdev); static void arcmsr_iop_init(struct AdapterControlBlock *acb); static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb); static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb); static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, u32 intmask_org); static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb); static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb); static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb); static void arcmsr_request_device_map(struct timer_list *t); static void arcmsr_message_isr_bh_fn(struct work_struct *work); static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb); static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb); static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *pACB); static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb); static void arcmsr_hbaE_message_isr(struct AdapterControlBlock *acb); static void arcmsr_hbaE_postqueue_isr(struct AdapterControlBlock *acb); static void arcmsr_hbaF_postqueue_isr(struct AdapterControlBlock *acb); static void arcmsr_hardware_reset(struct AdapterControlBlock *acb); static const char *arcmsr_info(struct Scsi_Host *); static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); static void arcmsr_free_irq(struct pci_dev *, struct AdapterControlBlock *); static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb); static void arcmsr_set_iop_datetime(struct timer_list *); static int arcmsr_slave_config(struct scsi_device *sdev); static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth) { … } static const struct scsi_host_template arcmsr_scsi_host_template = …; static struct pci_device_id arcmsr_device_id_table[] = …; MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table); static SIMPLE_DEV_PM_OPS(arcmsr_pm_ops, arcmsr_suspend, arcmsr_resume); static struct pci_driver arcmsr_pci_driver = …; /* **************************************************************************** **************************************************************************** */ static void arcmsr_free_io_queue(struct AdapterControlBlock *acb) { … } static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) { … } static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb) { … } static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id) { … } static int arcmsr_bios_param(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int *geom) { … } static uint8_t arcmsr_hbaA_wait_msgint_ready(struct AdapterControlBlock *acb) { … } static uint8_t arcmsr_hbaB_wait_msgint_ready(struct AdapterControlBlock *acb) { … } static uint8_t arcmsr_hbaC_wait_msgint_ready(struct AdapterControlBlock *pACB) { … } static bool arcmsr_hbaD_wait_msgint_ready(struct AdapterControlBlock *pACB) { … } static bool arcmsr_hbaE_wait_msgint_ready(struct AdapterControlBlock *pACB) { … } static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB) { … } static void arcmsr_hbaD_flush_cache(struct AdapterControlBlock *pACB) { … } static void arcmsr_hbaE_flush_cache(struct AdapterControlBlock *pACB) { … } static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaB_assign_regAddr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaD_assign_regAddr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaF_assign_regAddr(struct AdapterControlBlock *acb) { … } static bool arcmsr_alloc_io_queue(struct AdapterControlBlock *acb) { … } static int arcmsr_alloc_xor_buffer(struct AdapterControlBlock *acb) { … } static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) { … } static void arcmsr_message_isr_bh_fn(struct work_struct *work) { … } static int arcmsr_request_irq(struct pci_dev *pdev, struct AdapterControlBlock *acb) { … } static void arcmsr_init_get_devmap_timer(struct AdapterControlBlock *pacb) { … } static void arcmsr_init_set_datetime_timer(struct AdapterControlBlock *pacb) { … } static int arcmsr_set_dma_mask(struct AdapterControlBlock *acb) { … } static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) { … } static void arcmsr_free_irq(struct pci_dev *pdev, struct AdapterControlBlock *acb) { … } static int __maybe_unused arcmsr_suspend(struct device *dev) { … } static int __maybe_unused arcmsr_resume(struct device *dev) { … } static uint8_t arcmsr_hbaA_abort_allcmd(struct AdapterControlBlock *acb) { … } static uint8_t arcmsr_hbaB_abort_allcmd(struct AdapterControlBlock *acb) { … } static uint8_t arcmsr_hbaC_abort_allcmd(struct AdapterControlBlock *pACB) { … } static uint8_t arcmsr_hbaD_abort_allcmd(struct AdapterControlBlock *pACB) { … } static uint8_t arcmsr_hbaE_abort_allcmd(struct AdapterControlBlock *pACB) { … } static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) { … } static void arcmsr_ccb_complete(struct CommandControlBlock *ccb) { … } static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) { … } static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) { … } static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb, bool error) { … } static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error) { … } static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) { … } static void arcmsr_remove_scsi_devices(struct AdapterControlBlock *acb) { … } static void arcmsr_free_pcidev(struct AdapterControlBlock *acb) { … } static void arcmsr_remove(struct pci_dev *pdev) { … } static void arcmsr_shutdown(struct pci_dev *pdev) { … } static int __init arcmsr_module_init(void) { … } static void __exit arcmsr_module_exit(void) { … } module_init(…) …; module_exit(arcmsr_module_exit); static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, u32 intmask_org) { … } static int arcmsr_build_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd) { … } static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { … } static void arcmsr_hbaA_stop_bgrb(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaB_stop_bgrb(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaC_stop_bgrb(struct AdapterControlBlock *pACB) { … } static void arcmsr_hbaD_stop_bgrb(struct AdapterControlBlock *pACB) { … } static void arcmsr_hbaE_stop_bgrb(struct AdapterControlBlock *pACB) { … } static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) { … } static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) { … } static void arcmsr_iop_message_read(struct AdapterControlBlock *acb) { … } static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) { … } struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) { … } static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb) { … } static uint32_t arcmsr_Read_iop_rqbuffer_in_DWORD(struct AdapterControlBlock *acb, struct QBUFFER __iomem *prbuffer) { … } uint32_t arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *acb, struct QBUFFER __iomem *prbuffer) { … } static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) { … } static void arcmsr_write_ioctldata2iop_in_DWORD(struct AdapterControlBlock *acb) { … } void arcmsr_write_ioctldata2iop(struct AdapterControlBlock *acb) { … } static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaA_doorbell_isr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaC_doorbell_isr(struct AdapterControlBlock *pACB) { … } static void arcmsr_hbaD_doorbell_isr(struct AdapterControlBlock *pACB) { … } static void arcmsr_hbaE_doorbell_isr(struct AdapterControlBlock *pACB) { … } static void arcmsr_hbaA_postqueue_isr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaB_postqueue_isr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaC_postqueue_isr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaD_postqueue_isr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaE_postqueue_isr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaF_postqueue_isr(struct AdapterControlBlock *acb) { … } /* ********************************************************************************** ** Handle a message interrupt ** ** The only message interrupt we expect is in response to a query for the current adapter config. ** We want this in order to compare the drivemap so that we can detect newly-attached drives. ********************************************************************************** */ static void arcmsr_hbaA_message_isr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaB_message_isr(struct AdapterControlBlock *acb) { … } /* ********************************************************************************** ** Handle a message interrupt ** ** The only message interrupt we expect is in response to a query for the ** current adapter config. ** We want this in order to compare the drivemap so that we can detect newly-attached drives. ********************************************************************************** */ static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaE_message_isr(struct AdapterControlBlock *acb) { … } static int arcmsr_hbaA_handle_isr(struct AdapterControlBlock *acb) { … } static int arcmsr_hbaB_handle_isr(struct AdapterControlBlock *acb) { … } static int arcmsr_hbaC_handle_isr(struct AdapterControlBlock *pACB) { … } static irqreturn_t arcmsr_hbaD_handle_isr(struct AdapterControlBlock *pACB) { … } static irqreturn_t arcmsr_hbaE_handle_isr(struct AdapterControlBlock *pACB) { … } static irqreturn_t arcmsr_hbaF_handle_isr(struct AdapterControlBlock *pACB) { … } static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) { … } static void arcmsr_iop_parking(struct AdapterControlBlock *acb) { … } void arcmsr_clear_iop2drv_rqueue_buffer(struct AdapterControlBlock *acb) { … } static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd) { … } static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock *acb) { … } static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd) { … } static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd) { … } static DEF_SCSI_QCMD(arcmsr_queue_command) static int arcmsr_slave_config(struct scsi_device *sdev) { … } static void arcmsr_get_adapter_config(struct AdapterControlBlock *pACB, uint32_t *rwbuffer) { … } static bool arcmsr_hbaA_get_config(struct AdapterControlBlock *acb) { … } static bool arcmsr_hbaB_get_config(struct AdapterControlBlock *acb) { … } static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB) { … } static bool arcmsr_hbaD_get_config(struct AdapterControlBlock *acb) { … } static bool arcmsr_hbaE_get_config(struct AdapterControlBlock *pACB) { … } static bool arcmsr_hbaF_get_config(struct AdapterControlBlock *pACB) { … } static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) { … } static int arcmsr_hbaA_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { … } static int arcmsr_hbaB_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { … } static int arcmsr_hbaC_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { … } static int arcmsr_hbaD_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { … } static int arcmsr_hbaE_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { … } static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { … } static void arcmsr_set_iop_datetime(struct timer_list *t) { … } static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) { … } static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) { … } static void arcmsr_request_device_map(struct timer_list *t) { … } static void arcmsr_hbaA_start_bgrb(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaB_start_bgrb(struct AdapterControlBlock *acb) { … } static void arcmsr_hbaC_start_bgrb(struct AdapterControlBlock *pACB) { … } static void arcmsr_hbaD_start_bgrb(struct AdapterControlBlock *pACB) { … } static void arcmsr_hbaE_start_bgrb(struct AdapterControlBlock *pACB) { … } static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) { … } static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) { … } static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) { … } static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) { … } static bool arcmsr_reset_in_progress(struct AdapterControlBlock *acb) { … } static void arcmsr_iop_init(struct AdapterControlBlock *acb) { … } static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) { … } static int arcmsr_bus_reset(struct scsi_cmnd *cmd) { … } static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { … } static int arcmsr_abort(struct scsi_cmnd *cmd) { … } static const char *arcmsr_info(struct Scsi_Host *host) { … }
Codebase Browser
linux