FreeBSD/Linux Kernel Cross Reference
sys/dev/raid/hptiop/hptiop.h

     /*
      * HighPoint RR3xxx/4xxx RAID Driver for FreeBSD
      * Copyright (C) 2007-2012 HighPoint Technologies, Inc. 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.
      * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
     *
     * $FreeBSD: src/sys/dev/hptiop/hptiop.h,v 1.6 2012/10/25 17:29:11 delphij Exp $
     */
    
    #ifndef _HPTIOP_H
    #define _HPTIOP_H
    
    #include <sys/ioccom.h>
    
    #define DBG 0
    
    #ifdef DBG
    int hpt_iop_dbg_level = 0;
    #define KdPrint(x)  do { if (hpt_iop_dbg_level) kprintf x; } while (0)
    #else
    #define KdPrint(x)
    #endif
    
    #define HPT_SRB_MAX_REQ_SIZE                600
    #define HPT_SRB_MAX_QUEUE_SIZE              0x100
    
    /* beyond 64G mem */
    #define HPT_SRB_FLAG_HIGH_MEM_ACESS         0x1
    #define HPT_SRB_MAX_SIZE  ((sizeof(struct hpt_iop_srb) + 0x1f) & ~0x1f)
    #ifndef offsetof
    #define offsetof(TYPE, MEM) ((size_t)&((TYPE*)0)->MEM)
    #endif
    
    #ifndef MIN
    #define MIN(a, b)               ((a) < (b) ? (a) : (b))
    #endif
    
    #define HPT_IOCTL_MAGIC   0xA1B2C3D4
    #define HPT_IOCTL_MAGIC32   0x1A2B3C4D
    
    struct hpt_iopmu_itl {
            u_int32_t resrved0[4];
            u_int32_t inbound_msgaddr0;
            u_int32_t inbound_msgaddr1;
            u_int32_t outbound_msgaddr0;
            u_int32_t outbound_msgaddr1;
            u_int32_t inbound_doorbell;
            u_int32_t inbound_intstatus;
            u_int32_t inbound_intmask;
            u_int32_t outbound_doorbell;
            u_int32_t outbound_intstatus;
            u_int32_t outbound_intmask;
            u_int32_t reserved1[2];
            u_int32_t inbound_queue;
            u_int32_t outbound_queue;
    };
    
    #define IOPMU_QUEUE_EMPTY            0xffffffff
    #define IOPMU_QUEUE_MASK_HOST_BITS   0xf0000000
    #define IOPMU_QUEUE_ADDR_HOST_BIT    0x80000000
    #define IOPMU_QUEUE_REQUEST_SIZE_BIT    0x40000000
    #define IOPMU_QUEUE_REQUEST_RESULT_BIT   0x40000000
    #define IOPMU_MAX_MEM_SUPPORT_MASK_64G 0xfffffff000000000ull
    #define IOPMU_MAX_MEM_SUPPORT_MASK_32G 0xfffffff800000000ull
    
    #define IOPMU_OUTBOUND_INT_MSG0      1
    #define IOPMU_OUTBOUND_INT_MSG1      2
    #define IOPMU_OUTBOUND_INT_DOORBELL  4
    #define IOPMU_OUTBOUND_INT_POSTQUEUE 8
    #define IOPMU_OUTBOUND_INT_PCI       0x10
    
    #define IOPMU_INBOUND_INT_MSG0       1
    #define IOPMU_INBOUND_INT_MSG1       2
    #define IOPMU_INBOUND_INT_DOORBELL   4
    #define IOPMU_INBOUND_INT_ERROR      8
    #define IOPMU_INBOUND_INT_POSTQUEUE  0x10
    
    #define MVIOP_QUEUE_LEN  512
    struct hpt_iopmu_mv {
            u_int32_t inbound_head;
            u_int32_t inbound_tail;
           u_int32_t outbound_head;
           u_int32_t outbound_tail;
           u_int32_t inbound_msg;
           u_int32_t outbound_msg;
           u_int32_t reserve[10];
           u_int64_t inbound_q[MVIOP_QUEUE_LEN];
           u_int64_t outbound_q[MVIOP_QUEUE_LEN];
   };
   
   struct hpt_iopmv_regs {
           u_int32_t reserved[0x20400 / 4];
           u_int32_t inbound_doorbell;
           u_int32_t inbound_intmask;
           u_int32_t outbound_doorbell;
           u_int32_t outbound_intmask;
   };
   
   #define CL_POINTER_TOGGLE        0x00004000
   #define CPU_TO_F0_DRBL_MSG_A_BIT 0x02000000
   
   #pragma pack(1)
   struct hpt_iopmu_mvfrey {
           u_int32_t reserved[0x4000 / 4];
   
           /* hpt_frey_com_reg */
           u_int32_t inbound_base; /* 0x4000 : 0 */
           u_int32_t inbound_base_high; /* 4 */
           u_int32_t reserved2[(0x18 - 8)/ 4];
           u_int32_t inbound_write_ptr; /* 0x18 */
           u_int32_t inbound_read_ptr; /* 0x1c */
           u_int32_t reserved3[(0x2c - 0x20) / 4];
           u_int32_t inbound_conf_ctl; /* 0x2c */
           u_int32_t reserved4[(0x50 - 0x30) / 4];
           u_int32_t outbound_base; /* 0x50 */
           u_int32_t outbound_base_high; /* 0x54 */
           u_int32_t outbound_shadow_base; /* 0x58 */
           u_int32_t outbound_shadow_base_high; /* 0x5c */
           u_int32_t reserved5[(0x68 - 0x60) / 4];
           u_int32_t outbound_write; /* 0x68 */
           u_int32_t reserved6[(0x70 - 0x6c) / 4];
           u_int32_t outbound_read; /* 0x70 */
           u_int32_t reserved7[(0x88 - 0x74) / 4];
           u_int32_t isr_cause; /* 0x88 */
           u_int32_t isr_enable; /* 0x8c */
   
           u_int32_t reserved8[(0x10200 - 0x4090) / 4];
   
           /* hpt_frey_intr_ctl intr_ctl */
           u_int32_t main_int_cuase; /* 0x10200: 0 */
           u_int32_t main_irq_enable; /* 4 */
           u_int32_t main_fiq_enable; /* 8 */
           u_int32_t pcie_f0_int_enable; /* 0xc */
           u_int32_t pcie_f1_int_enable; /* 0x10 */
           u_int32_t pcie_f2_int_enable; /* 0x14 */
           u_int32_t pcie_f3_int_enable; /* 0x18 */
   
           u_int32_t reserved9[(0x10400 - 0x1021c) / 4];
   
           /* hpt_frey_msg_drbl */
           u_int32_t f0_to_cpu_msg_a; /* 0x10400: 0 */
           u_int32_t reserved10[(0x20 - 4) / 4];
           u_int32_t cpu_to_f0_msg_a; /* 0x20 */
           u_int32_t reserved11[(0x80 - 0x24) / 4];
           u_int32_t f0_doorbell; /* 0x80 */
           u_int32_t f0_doorbell_enable; /* 0x84 */
   };
   
   struct mvfrey_inlist_entry {
           u_int64_t addr;
           u_int32_t intrfc_len;
           u_int32_t reserved;
   };
   
   struct mvfrey_outlist_entry {
           u_int32_t val;
   };
   
   #pragma pack()
   
   #define MVIOP_IOCTLCFG_SIZE     0x800
   #define MVIOP_MU_QUEUE_ADDR_HOST_MASK   (~(0x1full))
   #define MVIOP_MU_QUEUE_ADDR_HOST_BIT    4
   
   #define MVIOP_MU_QUEUE_ADDR_IOP_HIGH32  0xffffffff
   #define MVIOP_MU_QUEUE_REQUEST_RESULT_BIT   1
   #define MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT 2
   
   #define MVIOP_MU_INBOUND_INT_MSG        1
   #define MVIOP_MU_INBOUND_INT_POSTQUEUE  2
   #define MVIOP_MU_OUTBOUND_INT_MSG       1
   #define MVIOP_MU_OUTBOUND_INT_POSTQUEUE 2
   
   #define MVIOP_CMD_TYPE_GET_CONFIG (1 << 5)
   #define MVIOP_CMD_TYPE_SET_CONFIG (1 << 6)
   #define MVIOP_CMD_TYPE_SCSI (1 << 7)
   #define MVIOP_CMD_TYPE_IOCTL (1 << 8)
   #define MVIOP_CMD_TYPE_BLOCK (1 << 9)
   
   #define MVIOP_REQUEST_NUMBER_START_BIT 16
   
   #define MVFREYIOPMU_QUEUE_REQUEST_RESULT_BIT   0x40000000
   
   enum hpt_iopmu_message {
           /* host-to-iop messages */
           IOPMU_INBOUND_MSG0_NOP = 0,
           IOPMU_INBOUND_MSG0_RESET,
           IOPMU_INBOUND_MSG0_FLUSH,
           IOPMU_INBOUND_MSG0_SHUTDOWN,
           IOPMU_INBOUND_MSG0_STOP_BACKGROUND_TASK,
           IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK,
           IOPMU_INBOUND_MSG0_RESET_COMM,
           IOPMU_INBOUND_MSG0_MAX = 0xff,
           /* iop-to-host messages */
           IOPMU_OUTBOUND_MSG0_REGISTER_DEVICE_0 = 0x100,
           IOPMU_OUTBOUND_MSG0_REGISTER_DEVICE_MAX = 0x1ff,
           IOPMU_OUTBOUND_MSG0_UNREGISTER_DEVICE_0 = 0x200,
           IOPMU_OUTBOUND_MSG0_UNREGISTER_DEVICE_MAX = 0x2ff,
           IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_0 = 0x300,
           IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_MAX = 0x3ff,
   };
   
   #define IOP_REQUEST_FLAG_SYNC_REQUEST 1
   #define IOP_REQUEST_FLAG_BIST_REQUEST 2
   #define IOP_REQUEST_FLAG_REMAPPED     4
   #define IOP_REQUEST_FLAG_OUTPUT_CONTEXT 8
   
   #define IOP_REQUEST_FLAG_ADDR_BITS 0x40 /* flags[31:16] is phy_addr[47:32] */
   
   enum hpt_iop_request_type {
           IOP_REQUEST_TYPE_GET_CONFIG = 0,
           IOP_REQUEST_TYPE_SET_CONFIG,
           IOP_REQUEST_TYPE_BLOCK_COMMAND,
           IOP_REQUEST_TYPE_SCSI_COMMAND,
           IOP_REQUEST_TYPE_IOCTL_COMMAND,
           IOP_REQUEST_TYPE_MAX
   };
   
   enum hpt_iop_result_type {
           IOP_RESULT_PENDING = 0,
           IOP_RESULT_SUCCESS,
           IOP_RESULT_FAIL,
           IOP_RESULT_BUSY,
           IOP_RESULT_RESET,
           IOP_RESULT_INVALID_REQUEST,
           IOP_RESULT_BAD_TARGET,
           IOP_RESULT_CHECK_CONDITION,
   };
   
   #pragma pack(1)
   struct hpt_iop_request_header {
           u_int32_t size;
           u_int32_t type;
           u_int32_t flags;
           u_int32_t result;
           u_int64_t context; /* host context */
   };
   
   struct hpt_iop_request_get_config {
           struct hpt_iop_request_header header;
           u_int32_t interface_version;
           u_int32_t firmware_version;
           u_int32_t max_requests;
           u_int32_t request_size;
           u_int32_t max_sg_count;
           u_int32_t data_transfer_length;
           u_int32_t alignment_mask;
           u_int32_t max_devices;
           u_int32_t sdram_size;
   };
   
   struct hpt_iop_request_set_config {
           struct hpt_iop_request_header header;
           u_int32_t iop_id;
           u_int16_t vbus_id;
           u_int16_t max_host_request_size;
           u_int32_t reserve[6];
   };
   
   struct hpt_iopsg {
           u_int32_t size;
           u_int32_t eot; /* non-zero: end of table */
           u_int64_t pci_address;
   };
   
   #define IOP_BLOCK_COMMAND_READ     1
   #define IOP_BLOCK_COMMAND_WRITE    2
   #define IOP_BLOCK_COMMAND_VERIFY   3
   #define IOP_BLOCK_COMMAND_FLUSH    4
   #define IOP_BLOCK_COMMAND_SHUTDOWN 5
   struct hpt_iop_request_block_command {
           struct hpt_iop_request_header header;
           u_int8_t     channel;
           u_int8_t     target;
           u_int8_t     lun;
           u_int8_t     pad1;
           u_int16_t    command; /* IOP_BLOCK_COMMAND_{READ,WRITE} */
           u_int16_t    sectors;
           u_int64_t    lba;
           struct hpt_iopsg sg_list[1];
   };
   
   struct hpt_iop_request_scsi_command {
           struct hpt_iop_request_header header;
           u_int8_t     channel;
           u_int8_t     target;
           u_int8_t     lun;
           u_int8_t     pad1;
           u_int8_t     cdb[16];
           u_int32_t    dataxfer_length;
           struct hpt_iopsg sg_list[1];
   };
   
   struct hpt_iop_request_ioctl_command {
           struct hpt_iop_request_header header;
           u_int32_t    ioctl_code;
           u_int32_t    inbuf_size;
           u_int32_t    outbuf_size;
           u_int32_t    bytes_returned;
           u_int8_t     buf[1];
           /* out data should be put at buf[(inbuf_size+3)&~3] */
   };
   
   struct hpt_iop_ioctl_param {
           u_int32_t        Magic;                 /* used to check if it's a valid ioctl packet */
           u_int32_t        dwIoControlCode;       /* operation control code */
           unsigned long    lpInBuffer;            /* input data buffer */
           u_int32_t        nInBufferSize;         /* size of input data buffer */
           unsigned long    lpOutBuffer;           /* output data buffer */
           u_int32_t        nOutBufferSize;        /* size of output data buffer */
           unsigned long    lpBytesReturned;       /* count of HPT_U8s returned */
   } __packed;
   
   #define HPT_IOCTL_FLAG_OPEN 1
   #define HPT_CTL_CODE_BSD_TO_IOP(x) ((x)-0xff00)
   
   typedef struct cdev * ioctl_dev_t;
   
   typedef struct thread * ioctl_thread_t;
   
   struct hpt_iop_hba {
           struct hptiop_adapter_ops *ops;
           union {
                   struct {
                           struct hpt_iopmu_itl *mu;
                   } itl;
                   struct {
                           struct hpt_iopmv_regs *regs;
                           struct hpt_iopmu_mv *mu;
                   } mv;
                   struct {
                           struct hpt_iop_request_get_config *config;
                           struct hpt_iopmu_mvfrey *mu;
   
                           int internal_mem_size;
                           int list_count;
                           struct mvfrey_inlist_entry *inlist;
                           u_int64_t inlist_phy;
                           u_int32_t inlist_wptr;
                           struct mvfrey_outlist_entry *outlist;
                           u_int64_t outlist_phy;
                           u_int32_t *outlist_cptr; /* copy pointer shadow */
                           u_int64_t outlist_cptr_phy;
                           u_int32_t outlist_rptr;
                   } mvfrey;
           } u;
   
           struct hpt_iop_hba    *next;
   
           u_int32_t             firmware_version;
           u_int32_t             interface_version;
           u_int32_t             max_devices;
           u_int32_t             max_requests;
           u_int32_t             max_request_size;
           u_int32_t             max_sg_count;
   
           u_int32_t             msg_done;
   
           device_t              pcidev;
           ioctl_dev_t           ioctl_dev;
   
           bus_dma_tag_t         parent_dmat;
           bus_dma_tag_t         io_dmat;
           bus_dma_tag_t         srb_dmat;
           bus_dma_tag_t         ctlcfg_dmat;
   
           bus_dmamap_t          srb_dmamap;
           bus_dmamap_t          ctlcfg_dmamap;
   
           struct resource       *bar0_res;
           bus_space_tag_t       bar0t;
           bus_space_handle_t    bar0h;
           int                   bar0_rid;
   
           struct resource       *bar2_res;
           bus_space_tag_t       bar2t;
           bus_space_handle_t    bar2h;
           int                   bar2_rid;
   
           /* to release */
           u_int8_t              *uncached_ptr;
           void                  *ctlcfg_ptr;
           /* for scsi request block */
           struct hpt_iop_srb    *srb_list;
           /* for interrupt */
           struct resource       *irq_res;
           void                  *irq_handle;
   
           /* for ioctl and set/get config */
           struct resource       *ctlcfg_res;
           void                  *ctlcfg_handle;
           u_int64_t             ctlcfgcmd_phy;
           u_int32_t             config_done; /* can be negative value */
           u_int32_t             initialized:1;
   
           /* other resources */
           struct cam_sim        *sim;
           struct cam_path       *path;
           void                  *req;
           struct lock           lock;
   #define HPT_IOCTL_FLAG_OPEN     1
           u_int32_t             flag;
           struct hpt_iop_srb* srb[HPT_SRB_MAX_QUEUE_SIZE];
   };
   
   #pragma pack()
   
   enum hptiop_family {
           INTEL_BASED_IOP = 0,
           MV_BASED_IOP,
           MVFREY_BASED_IOP,
           UNKNOWN_BASED_IOP = 0xf
   };
   struct hptiop_adapter_ops {
           enum hptiop_family family;
           int  (*iop_wait_ready)(struct hpt_iop_hba *hba, u_int32_t millisec);
           int  (*internal_memalloc)(struct hpt_iop_hba *hba);
           int  (*internal_memfree)(struct hpt_iop_hba *hba);
           int  (*alloc_pci_res)(struct hpt_iop_hba *hba);
           void (*release_pci_res)(struct hpt_iop_hba *hba);
           void (*enable_intr)(struct hpt_iop_hba *hba);
           void (*disable_intr)(struct hpt_iop_hba *hba);
           int  (*get_config)(struct hpt_iop_hba *hba,
                                   struct hpt_iop_request_get_config *config);
           int  (*set_config)(struct hpt_iop_hba *hba,
                                   struct hpt_iop_request_set_config *config);
           int  (*iop_intr)(struct hpt_iop_hba *hba);
           void (*post_msg)(struct hpt_iop_hba *hba, u_int32_t msg);
           void (*post_req)(struct hpt_iop_hba *hba, struct hpt_iop_srb *srb, bus_dma_segment_t *segs, int nsegs);
           int (*do_ioctl)(struct hpt_iop_hba *hba, struct hpt_iop_ioctl_param * pParams);
           int (*reset_comm)(struct hpt_iop_hba *hba);
   };
   
   struct hpt_iop_srb {
           u_int8_t             req[HPT_SRB_MAX_REQ_SIZE];
           struct hpt_iop_hba   *hba;
           union ccb            *ccb;
           struct hpt_iop_srb   *next;
           bus_dmamap_t         dma_map;
           u_int64_t            phy_addr;
           u_int32_t            srb_flag;
           int                  index;
   };
   
   #define hptiop_lock_adapter(hba)   lockmgr(&(hba)->lock, LK_EXCLUSIVE)
   #define hptiop_unlock_adapter(hba) lockmgr(&(hba)->lock, LK_RELEASE)
   
   #define HPT_OSM_TIMEOUT (20*hz)  /* timeout value for OS commands */
   
   #define HPT_DO_IOCONTROL    _IOW('H', 0, struct hpt_iop_ioctl_param)
   #define HPT_SCAN_BUS        _IO('H', 1)
   
   static  __inline int hptiop_sleep(struct hpt_iop_hba *hba, void *ident,
                                   int priority, const char *wmesg, int timo)
   {
   
           int retval;
   
           retval = lksleep(ident, &hba->lock, priority, wmesg, timo);
   
           return retval;
   
   }
   
   #endif

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