diff options
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_sas.h')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_sas.h | 497 |
1 files changed, 497 insertions, 0 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h new file mode 100644 index 000000000000..8e38ca8cd101 --- /dev/null +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -0,0 +1,497 @@ +/* + * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver + * + * Copyright (c) 2008-2009 USI Co., Ltd. + * All rights reserved. + * + * 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, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. + * + */ + +#ifndef _PM8001_SAS_H_ +#define _PM8001_SAS_H_ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/types.h> +#include <linux/ctype.h> +#include <linux/dma-mapping.h> +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/smp_lock.h> +#include <scsi/libsas.h> +#include <scsi/scsi_tcq.h> +#include <scsi/sas_ata.h> +#include <asm/atomic.h> +#include "pm8001_defs.h" + +#define DRV_NAME "pm8001" +#define DRV_VERSION "0.1.36" +#define PM8001_FAIL_LOGGING 0x01 /* Error message logging */ +#define PM8001_INIT_LOGGING 0x02 /* driver init logging */ +#define PM8001_DISC_LOGGING 0x04 /* discovery layer logging */ +#define PM8001_IO_LOGGING 0x08 /* I/O path logging */ +#define PM8001_EH_LOGGING 0x10 /* libsas EH function logging*/ +#define PM8001_IOCTL_LOGGING 0x20 /* IOCTL message logging */ +#define PM8001_MSG_LOGGING 0x40 /* misc message logging */ +#define pm8001_printk(format, arg...) printk(KERN_INFO "%s %d:" format,\ + __func__, __LINE__, ## arg) +#define PM8001_CHECK_LOGGING(HBA, LEVEL, CMD) \ +do { \ + if (unlikely(HBA->logging_level & LEVEL)) \ + do { \ + CMD; \ + } while (0); \ +} while (0); + +#define PM8001_EH_DBG(HBA, CMD) \ + PM8001_CHECK_LOGGING(HBA, PM8001_EH_LOGGING, CMD) + +#define PM8001_INIT_DBG(HBA, CMD) \ + PM8001_CHECK_LOGGING(HBA, PM8001_INIT_LOGGING, CMD) + +#define PM8001_DISC_DBG(HBA, CMD) \ + PM8001_CHECK_LOGGING(HBA, PM8001_DISC_LOGGING, CMD) + +#define PM8001_IO_DBG(HBA, CMD) \ + PM8001_CHECK_LOGGING(HBA, PM8001_IO_LOGGING, CMD) + +#define PM8001_FAIL_DBG(HBA, CMD) \ + PM8001_CHECK_LOGGING(HBA, PM8001_FAIL_LOGGING, CMD) + +#define PM8001_IOCTL_DBG(HBA, CMD) \ + PM8001_CHECK_LOGGING(HBA, PM8001_IOCTL_LOGGING, CMD) + +#define PM8001_MSG_DBG(HBA, CMD) \ + PM8001_CHECK_LOGGING(HBA, PM8001_MSG_LOGGING, CMD) + + +#define PM8001_USE_TASKLET +#define PM8001_USE_MSIX +#define PM8001_READ_VPD + + +#define DEV_IS_EXPANDER(type) ((type == EDGE_DEV) || (type == FANOUT_DEV)) + +#define PM8001_NAME_LENGTH 32/* generic length of strings */ +extern struct list_head hba_list; +extern const struct pm8001_dispatch pm8001_8001_dispatch; + +struct pm8001_hba_info; +struct pm8001_ccb_info; +struct pm8001_device; +/* define task management IU */ +struct pm8001_tmf_task { + u8 tmf; + u32 tag_of_task_to_be_managed; +}; +struct pm8001_ioctl_payload { + u32 signature; + u16 major_function; + u16 minor_function; + u16 length; + u16 status; + u16 offset; + u16 id; + u8 *func_specific; +}; + +struct pm8001_dispatch { + char *name; + int (*chip_init)(struct pm8001_hba_info *pm8001_ha); + int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha, u32 signature); + void (*chip_rst)(struct pm8001_hba_info *pm8001_ha); + int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha); + void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha); + irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha); + u32 (*is_our_interupt)(struct pm8001_hba_info *pm8001_ha); + int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha); + void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha); + void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha); + void (*make_prd)(struct scatterlist *scatter, int nr, void *prd); + int (*smp_req)(struct pm8001_hba_info *pm8001_ha, + struct pm8001_ccb_info *ccb); + int (*ssp_io_req)(struct pm8001_hba_info *pm8001_ha, + struct pm8001_ccb_info *ccb); + int (*sata_req)(struct pm8001_hba_info *pm8001_ha, + struct pm8001_ccb_info *ccb); + int (*phy_start_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id); + int (*phy_stop_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id); + int (*reg_dev_req)(struct pm8001_hba_info *pm8001_ha, + struct pm8001_device *pm8001_dev, u32 flag); + int (*dereg_dev_req)(struct pm8001_hba_info *pm8001_ha, u32 device_id); + int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha, + u32 phy_id, u32 phy_op); + int (*task_abort)(struct pm8001_hba_info *pm8001_ha, + struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, + u32 cmd_tag); + int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha, + struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf); + int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload); + int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload); + int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha, + void *payload); + int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha, + struct pm8001_device *pm8001_dev, u32 state); + int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha, + u32 state); + int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha, + u32 state); + int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha); +}; + +struct pm8001_chip_info { + u32 n_phy; + const struct pm8001_dispatch *dispatch; +}; +#define PM8001_CHIP_DISP (pm8001_ha->chip->dispatch) + +struct pm8001_port { + struct asd_sas_port sas_port; + u8 port_attached; + u8 wide_port_phymap; + u8 port_state; + struct list_head list; +}; + +struct pm8001_phy { + struct pm8001_hba_info *pm8001_ha; + struct pm8001_port *port; + struct asd_sas_phy sas_phy; + struct sas_identify identify; + struct scsi_device *sdev; + u64 dev_sas_addr; + u32 phy_type; + struct completion *enable_completion; + u32 frame_rcvd_size; + u8 frame_rcvd[32]; + u8 phy_attached; + u8 phy_state; + enum sas_linkrate minimum_linkrate; + enum sas_linkrate maximum_linkrate; +}; + +struct pm8001_device { + enum sas_dev_type dev_type; + struct domain_device *sas_device; + u32 attached_phy; + u32 id; + struct completion *dcompletion; + struct completion *setds_completion; + u32 device_id; + u32 running_req; +}; + +struct pm8001_prd_imt { + __le32 len; + __le32 e; +}; + +struct pm8001_prd { + __le64 addr; /* 64-bit buffer address */ + struct pm8001_prd_imt im_len; /* 64-bit length */ +} __attribute__ ((packed)); +/* + * CCB(Command Control Block) + */ +struct pm8001_ccb_info { + struct list_head entry; + struct sas_task *task; + u32 n_elem; + u32 ccb_tag; + dma_addr_t ccb_dma_handle; + struct pm8001_device *device; + struct pm8001_prd buf_prd[PM8001_MAX_DMA_SG]; + struct fw_control_ex *fw_control_context; +}; + +struct mpi_mem { + void *virt_ptr; + dma_addr_t phys_addr; + u32 phys_addr_hi; + u32 phys_addr_lo; + u32 total_len; + u32 num_elements; + u32 element_size; + u32 alignment; +}; + +struct mpi_mem_req { + /* The number of element in the mpiMemory array */ + u32 count; + /* The array of structures that define memroy regions*/ + struct mpi_mem region[USI_MAX_MEMCNT]; +}; + +struct main_cfg_table { + u32 signature; + u32 interface_rev; + u32 firmware_rev; + u32 max_out_io; + u32 max_sgl; + u32 ctrl_cap_flag; + u32 gst_offset; + u32 inbound_queue_offset; + u32 outbound_queue_offset; + u32 inbound_q_nppd_hppd; + u32 outbound_hw_event_pid0_3; + u32 outbound_hw_event_pid4_7; + u32 outbound_ncq_event_pid0_3; + u32 outbound_ncq_event_pid4_7; + u32 outbound_tgt_ITNexus_event_pid0_3; + u32 outbound_tgt_ITNexus_event_pid4_7; + u32 outbound_tgt_ssp_event_pid0_3; + u32 outbound_tgt_ssp_event_pid4_7; + u32 outbound_tgt_smp_event_pid0_3; + u32 outbound_tgt_smp_event_pid4_7; + u32 upper_event_log_addr; + u32 lower_event_log_addr; + u32 event_log_size; + u32 event_log_option; + u32 upper_iop_event_log_addr; + u32 lower_iop_event_log_addr; + u32 iop_event_log_size; + u32 iop_event_log_option; + u32 fatal_err_interrupt; + u32 fatal_err_dump_offset0; + u32 fatal_err_dump_length0; + u32 fatal_err_dump_offset1; + u32 fatal_err_dump_length1; + u32 hda_mode_flag; + u32 anolog_setup_table_offset; +}; +struct general_status_table { + u32 gst_len_mpistate; + u32 iq_freeze_state0; + u32 iq_freeze_state1; + u32 msgu_tcnt; + u32 iop_tcnt; + u32 reserved; + u32 phy_state[8]; + u32 reserved1; + u32 reserved2; + u32 reserved3; + u32 recover_err_info[8]; +}; +struct inbound_queue_table { + u32 element_pri_size_cnt; + u32 upper_base_addr; + u32 lower_base_addr; + u32 ci_upper_base_addr; + u32 ci_lower_base_addr; + u32 pi_pci_bar; + u32 pi_offset; + u32 total_length; + void *base_virt; + void *ci_virt; + u32 reserved; + __le32 consumer_index; + u32 producer_idx; +}; +struct outbound_queue_table { + u32 element_size_cnt; + u32 upper_base_addr; + u32 lower_base_addr; + void *base_virt; + u32 pi_upper_base_addr; + u32 pi_lower_base_addr; + u32 ci_pci_bar; + u32 ci_offset; + u32 total_length; + void *pi_virt; + u32 interrup_vec_cnt_delay; + u32 dinterrup_to_pci_offset; + __le32 producer_index; + u32 consumer_idx; +}; +struct pm8001_hba_memspace { + void __iomem *memvirtaddr; + u64 membase; + u32 memsize; +}; +struct pm8001_hba_info { + char name[PM8001_NAME_LENGTH]; + struct list_head list; + unsigned long flags; + spinlock_t lock;/* host-wide lock */ + struct pci_dev *pdev;/* our device */ + struct device *dev; + struct pm8001_hba_memspace io_mem[6]; + struct mpi_mem_req memoryMap; + void __iomem *msg_unit_tbl_addr;/*Message Unit Table Addr*/ + void __iomem *main_cfg_tbl_addr;/*Main Config Table Addr*/ + void __iomem *general_stat_tbl_addr;/*General Status Table Addr*/ + void __iomem *inbnd_q_tbl_addr;/*Inbound Queue Config Table Addr*/ + void __iomem *outbnd_q_tbl_addr;/*Outbound Queue Config Table Addr*/ + struct main_cfg_table main_cfg_tbl; + struct general_status_table gs_tbl; + struct inbound_queue_table inbnd_q_tbl[PM8001_MAX_INB_NUM]; + struct outbound_queue_table outbnd_q_tbl[PM8001_MAX_OUTB_NUM]; + u8 sas_addr[SAS_ADDR_SIZE]; + struct sas_ha_struct *sas;/* SCSI/SAS glue */ + struct Scsi_Host *shost; + u32 chip_id; + const struct pm8001_chip_info *chip; + struct completion *nvmd_completion; + int tags_num; + unsigned long *tags; + struct pm8001_phy phy[PM8001_MAX_PHYS]; + struct pm8001_port port[PM8001_MAX_PHYS]; + u32 id; + u32 irq; + struct pm8001_device *devices; + struct pm8001_ccb_info *ccb_info; +#ifdef PM8001_USE_MSIX + struct msix_entry msix_entries[16];/*for msi-x interrupt*/ + int number_of_intr;/*will be used in remove()*/ +#endif +#ifdef PM8001_USE_TASKLET + struct tasklet_struct tasklet; +#endif + struct list_head wq_list; + u32 logging_level; + u32 fw_status; + const struct firmware *fw_image; +}; + +struct pm8001_wq { + struct delayed_work work_q; + struct pm8001_hba_info *pm8001_ha; + void *data; + int handler; + struct list_head entry; +}; + +struct pm8001_fw_image_header { + u8 vender_id[8]; + u8 product_id; + u8 hardware_rev; + u8 dest_partition; + u8 reserved; + u8 fw_rev[4]; + __be32 image_length; + __be32 image_crc; + __be32 startup_entry; +} __attribute__((packed, aligned(4))); + + +/** + * FW Flash Update status values + */ +#define FLASH_UPDATE_COMPLETE_PENDING_REBOOT 0x00 +#define FLASH_UPDATE_IN_PROGRESS 0x01 +#define FLASH_UPDATE_HDR_ERR 0x02 +#define FLASH_UPDATE_OFFSET_ERR 0x03 +#define FLASH_UPDATE_CRC_ERR 0x04 +#define FLASH_UPDATE_LENGTH_ERR 0x05 +#define FLASH_UPDATE_HW_ERR 0x06 +#define FLASH_UPDATE_DNLD_NOT_SUPPORTED 0x10 +#define FLASH_UPDATE_DISABLED 0x11 + +/** + * brief param structure for firmware flash update. + */ +struct fw_flash_updata_info { + u32 cur_image_offset; + u32 cur_image_len; + u32 total_image_len; + struct pm8001_prd sgl; +}; + +struct fw_control_info { + u32 retcode;/*ret code (status)*/ + u32 phase;/*ret code phase*/ + u32 phaseCmplt;/*percent complete for the current + update phase */ + u32 version;/*Hex encoded firmware version number*/ + u32 offset;/*Used for downloading firmware */ + u32 len; /*len of buffer*/ + u32 size;/* Used in OS VPD and Trace get size + operations.*/ + u32 reserved;/* padding required for 64 bit + alignment */ + u8 buffer[1];/* Start of buffer */ +}; +struct fw_control_ex { + struct fw_control_info *fw_control; + void *buffer;/* keep buffer pointer to be + freed when the responce comes*/ + void *virtAddr;/* keep virtual address of the data */ + void *usrAddr;/* keep virtual address of the + user data */ + dma_addr_t phys_addr; + u32 len; /* len of buffer */ + void *payload; /* pointer to IOCTL Payload */ + u8 inProgress;/*if 1 - the IOCTL request is in + progress */ + void *param1; + void *param2; + void *param3; +}; + +/******************** function prototype *********************/ +int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out); +void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha); +u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag); +void pm8001_ccb_free(struct pm8001_hba_info *pm8001_ha, u32 ccb_idx); +void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, + struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx); +int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, + void *funcdata); +int pm8001_slave_alloc(struct scsi_device *scsi_dev); +int pm8001_slave_configure(struct scsi_device *sdev); +void pm8001_scan_start(struct Scsi_Host *shost); +int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time); +int pm8001_queue_command(struct sas_task *task, const int num, + gfp_t gfp_flags); +int pm8001_abort_task(struct sas_task *task); +int pm8001_abort_task_set(struct domain_device *dev, u8 *lun); +int pm8001_clear_aca(struct domain_device *dev, u8 *lun); +int pm8001_clear_task_set(struct domain_device *dev, u8 *lun); +int pm8001_dev_found(struct domain_device *dev); +void pm8001_dev_gone(struct domain_device *dev); +int pm8001_lu_reset(struct domain_device *dev, u8 *lun); +int pm8001_I_T_nexus_reset(struct domain_device *dev); +int pm8001_query_task(struct sas_task *task); +int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr, + dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo, + u32 mem_size, u32 align); + + +/* ctl shared API */ +extern struct device_attribute *pm8001_host_attrs[]; + +#endif + |