150 lines
3.7 KiB
C
150 lines
3.7 KiB
C
/* $NetBSD: mfivar.h,v 1.2 2006/12/20 21:44:06 bouyer Exp $ */
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/* $OpenBSD: mfivar.h,v 1.28 2006/08/31 18:18:46 marco Exp $ */
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/*
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* Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#define DEVNAME(_s) ((_s)->sc_dev.dv_xname)
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/* #define MFI_DEBUG */
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#ifdef MFI_DEBUG
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extern uint32_t mfi_debug;
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#define DPRINTF(x...) do { if (mfi_debug) printf(x); } while(0)
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#define DNPRINTF(n,x...) do { if (mfi_debug & n) printf(x); } while(0)
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#define MFI_D_CMD 0x0001
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#define MFI_D_INTR 0x0002
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#define MFI_D_MISC 0x0004
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#define MFI_D_DMA 0x0008
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#define MFI_D_IOCTL 0x0010
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#define MFI_D_RW 0x0020
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#define MFI_D_MEM 0x0040
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#define MFI_D_CCB 0x0080
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#else
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#define DPRINTF(x...)
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#define DNPRINTF(n,x...)
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#endif
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struct mfi_mem {
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bus_dmamap_t am_map;
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bus_dma_segment_t am_seg;
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size_t am_size;
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caddr_t am_kva;
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};
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#define MFIMEM_MAP(_am) ((_am)->am_map)
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#define MFIMEM_DVA(_am) ((_am)->am_map->dm_segs[0].ds_addr)
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#define MFIMEM_KVA(_am) ((void *)(_am)->am_kva)
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struct mfi_prod_cons {
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uint32_t mpc_producer;
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uint32_t mpc_consumer;
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uint32_t mpc_reply_q[1]; /* compensate for 1 extra reply per spec */
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};
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struct mfi_ccb {
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struct mfi_softc *ccb_sc;
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union mfi_frame *ccb_frame;
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paddr_t ccb_pframe;
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uint32_t ccb_frame_size;
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uint32_t ccb_extra_frames;
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struct mfi_sense *ccb_sense;
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paddr_t ccb_psense;
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bus_dmamap_t ccb_dmamap;
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union mfi_sgl *ccb_sgl;
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/* data for sgl */
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void *ccb_data;
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uint32_t ccb_len;
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uint32_t ccb_direction;
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#define MFI_DATA_NONE 0
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#define MFI_DATA_IN 1
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#define MFI_DATA_OUT 2
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struct scsipi_xfer *ccb_xs;
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void (*ccb_done)(struct mfi_ccb *);
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volatile enum {
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MFI_CCB_FREE,
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MFI_CCB_READY,
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MFI_CCB_DONE
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} ccb_state;
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uint32_t ccb_flags;
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#define MFI_CCB_F_ERR (1<<0)
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TAILQ_ENTRY(mfi_ccb) ccb_link;
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};
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TAILQ_HEAD(mfi_ccb_list, mfi_ccb);
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struct mfi_softc {
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struct device sc_dev;
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struct scsipi_channel sc_chan;
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struct scsipi_adapter sc_adapt;
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void *sc_ih;
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u_int32_t sc_flags;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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bus_dma_tag_t sc_dmat;
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/* save some useful information for logical drives that is missing
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* in sc_ld_list
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*/
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struct {
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uint32_t ld_present;
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char ld_dev[16]; /* device name sd? */
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} sc_ld[MFI_MAX_LD];
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/* scsi ioctl from sd device */
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int (*sc_ioctl)(struct device *, u_long, caddr_t);
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/* firmware determined max, totals and other information*/
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uint32_t sc_max_cmds;
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uint32_t sc_max_sgl;
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uint32_t sc_max_ld;
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uint32_t sc_ld_cnt;
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/* XXX these struct should be local to mgmt function */
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struct mfi_ctrl_info sc_info;
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struct mfi_ld_list sc_ld_list;
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struct mfi_ld_details sc_ld_details;
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/* all commands */
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struct mfi_ccb *sc_ccb;
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/* producer/consumer pointers and reply queue */
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struct mfi_mem *sc_pcq;
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/* frame memory */
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struct mfi_mem *sc_frames;
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uint32_t sc_frames_size;
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/* sense memory */
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struct mfi_mem *sc_sense;
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struct mfi_ccb_list sc_ccb_freeq;
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struct sensor *sc_sensors;
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};
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int mfi_attach(struct mfi_softc *sc);
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int mfi_intr(void *);
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