Annotation of sys/dev/ic/mfivar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: mfivar.h,v 1.30 2007/03/22 16:55:31 deraadt Exp $ */
! 2: /*
! 3: * Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
! 4: *
! 5: * Permission to use, copy, modify, and distribute this software for any
! 6: * purpose with or without fee is hereby granted, provided that the above
! 7: * copyright notice and this permission notice appear in all copies.
! 8: *
! 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 16: */
! 17:
! 18: #include <sys/sensors.h>
! 19:
! 20: #define DEVNAME(_s) ((_s)->sc_dev.dv_xname)
! 21:
! 22: /* #define MFI_DEBUG */
! 23: #ifdef MFI_DEBUG
! 24: extern uint32_t mfi_debug;
! 25: #define DPRINTF(x...) do { if (mfi_debug) printf(x); } while(0)
! 26: #define DNPRINTF(n,x...) do { if (mfi_debug & n) printf(x); } while(0)
! 27: #define MFI_D_CMD 0x0001
! 28: #define MFI_D_INTR 0x0002
! 29: #define MFI_D_MISC 0x0004
! 30: #define MFI_D_DMA 0x0008
! 31: #define MFI_D_IOCTL 0x0010
! 32: #define MFI_D_RW 0x0020
! 33: #define MFI_D_MEM 0x0040
! 34: #define MFI_D_CCB 0x0080
! 35: #else
! 36: #define DPRINTF(x...)
! 37: #define DNPRINTF(n,x...)
! 38: #endif
! 39:
! 40: struct mfi_mem {
! 41: bus_dmamap_t am_map;
! 42: bus_dma_segment_t am_seg;
! 43: size_t am_size;
! 44: caddr_t am_kva;
! 45: };
! 46:
! 47: #define MFIMEM_MAP(_am) ((_am)->am_map)
! 48: #define MFIMEM_DVA(_am) ((_am)->am_map->dm_segs[0].ds_addr)
! 49: #define MFIMEM_KVA(_am) ((void *)(_am)->am_kva)
! 50:
! 51: struct mfi_prod_cons {
! 52: uint32_t mpc_producer;
! 53: uint32_t mpc_consumer;
! 54: uint32_t mpc_reply_q[1]; /* compensate for 1 extra reply per spec */
! 55: };
! 56:
! 57: struct mfi_ccb {
! 58: struct mfi_softc *ccb_sc;
! 59:
! 60: union mfi_frame *ccb_frame;
! 61: paddr_t ccb_pframe;
! 62: uint32_t ccb_frame_size;
! 63: uint32_t ccb_extra_frames;
! 64:
! 65: struct mfi_sense *ccb_sense;
! 66: paddr_t ccb_psense;
! 67:
! 68: bus_dmamap_t ccb_dmamap;
! 69:
! 70: union mfi_sgl *ccb_sgl;
! 71:
! 72: /* data for sgl */
! 73: void *ccb_data;
! 74: uint32_t ccb_len;
! 75:
! 76: uint32_t ccb_direction;
! 77: #define MFI_DATA_NONE 0
! 78: #define MFI_DATA_IN 1
! 79: #define MFI_DATA_OUT 2
! 80:
! 81: struct scsi_xfer *ccb_xs;
! 82:
! 83: void (*ccb_done)(struct mfi_ccb *);
! 84:
! 85: volatile enum {
! 86: MFI_CCB_FREE,
! 87: MFI_CCB_READY,
! 88: MFI_CCB_DONE
! 89: } ccb_state;
! 90: uint32_t ccb_flags;
! 91: #define MFI_CCB_F_ERR (1<<0)
! 92: TAILQ_ENTRY(mfi_ccb) ccb_link;
! 93: };
! 94:
! 95: TAILQ_HEAD(mfi_ccb_list, mfi_ccb);
! 96:
! 97: struct mfi_softc {
! 98: struct device sc_dev;
! 99: void *sc_ih;
! 100: struct scsi_link sc_link;
! 101:
! 102: u_int32_t sc_flags;
! 103:
! 104: bus_space_tag_t sc_iot;
! 105: bus_space_handle_t sc_ioh;
! 106: bus_dma_tag_t sc_dmat;
! 107:
! 108: /* mgmt lock */
! 109: struct rwlock sc_lock;
! 110:
! 111: /* save some useful information for logical drives that is missing
! 112: * in sc_ld_list
! 113: */
! 114: struct {
! 115: uint32_t ld_present;
! 116: char ld_dev[16]; /* device name sd? */
! 117: } sc_ld[MFI_MAX_LD];
! 118:
! 119: /* scsi ioctl from sd device */
! 120: int (*sc_ioctl)(struct device *, u_long, caddr_t);
! 121:
! 122: /* firmware determined max, totals and other information*/
! 123: uint32_t sc_max_cmds;
! 124: uint32_t sc_max_sgl;
! 125: uint32_t sc_max_ld;
! 126: uint32_t sc_ld_cnt;
! 127: /* XXX these struct should be local to mgmt function */
! 128: struct mfi_ctrl_info sc_info;
! 129: struct mfi_ld_list sc_ld_list;
! 130: struct mfi_ld_details sc_ld_details;
! 131:
! 132: /* all commands */
! 133: struct mfi_ccb *sc_ccb;
! 134:
! 135: /* producer/consumer pointers and reply queue */
! 136: struct mfi_mem *sc_pcq;
! 137:
! 138: /* frame memory */
! 139: struct mfi_mem *sc_frames;
! 140: uint32_t sc_frames_size;
! 141:
! 142: /* sense memory */
! 143: struct mfi_mem *sc_sense;
! 144:
! 145: struct mfi_ccb_list sc_ccb_freeq;
! 146:
! 147: struct ksensor *sc_sensors;
! 148: struct ksensordev sc_sensordev;
! 149: };
! 150:
! 151: int mfi_attach(struct mfi_softc *sc);
! 152: int mfi_intr(void *);
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