/* * 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/workqueue.h> #include <scsi/libsas.h> #include <scsi/scsi_tcq.h> #include <scsi/sas_ata.h> #include <linux/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 u32 logging_level; u32 fw_status; const struct firmware *fw_image; }; struct pm8001_work { struct work_struct work; struct pm8001_hba_info *pm8001_ha; void *data; int handler; }; 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 response 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; }; /* pm8001 workqueue */ extern struct workqueue_struct *pm8001_wq; /******************** 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); 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