FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/mfivar.h

     /* $NetBSD: mfivar.h,v 1.10.6.1 2010/03/28 15:03:22 snj Exp $ */
     /* $OpenBSD: mfivar.h,v 1.28 2006/08/31 18:18:46 marco Exp $ */
     /*
      * Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
      *
      * Permission to use, copy, modify, and distribute this software for any
      * purpose with or without fee is hereby granted, provided that the above
      * copyright notice and this permission notice appear in all copies.
      *
     * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     */
    
    #include <dev/sysmon/sysmonvar.h>
    #include <sys/envsys.h>
    
    #define DEVNAME(_s)     (device_xname((_s)->sc_dev))
    
    /* #define MFI_DEBUG */
    #ifdef MFI_DEBUG
    extern uint32_t                 mfi_debug;
    #define DPRINTF(x...)           do { if (mfi_debug) printf(x); } while(0)
    #define DNPRINTF(n,x...)        do { if (mfi_debug & n) printf(x); } while(0)
    #define MFI_D_CMD               0x0001
    #define MFI_D_INTR              0x0002
    #define MFI_D_MISC              0x0004
    #define MFI_D_DMA               0x0008
    #define MFI_D_IOCTL             0x0010
    #define MFI_D_RW                0x0020
    #define MFI_D_MEM               0x0040
    #define MFI_D_CCB               0x0080
    #else
    #define DPRINTF(x, ...)
    #define DNPRINTF(n, x, ...)
    #endif
    
    struct mfi_mem {
            bus_dmamap_t            am_map;
            bus_dma_segment_t       am_seg;
            size_t                  am_size;
            void *                  am_kva;
    };
    
    #define MFIMEM_MAP(_am)         ((_am)->am_map)
    #define MFIMEM_DVA(_am)         ((_am)->am_map->dm_segs[0].ds_addr)
    #define MFIMEM_KVA(_am)         ((void *)(_am)->am_kva)
    
    struct mfi_prod_cons {
            uint32_t                mpc_producer;
            uint32_t                mpc_consumer;
            uint32_t                mpc_reply_q[1]; /* compensate for 1 extra reply per spec */
    };
    
    struct mfi_ccb {
            struct mfi_softc        *ccb_sc;
    
            union mfi_frame         *ccb_frame;
            paddr_t                 ccb_pframe;
            uint32_t                ccb_frame_size;
            uint32_t                ccb_extra_frames;
    
            struct mfi_sense        *ccb_sense;
            paddr_t                 ccb_psense;
    
            bus_dmamap_t            ccb_dmamap;
    
            union mfi_sgl           *ccb_sgl;
    
            /* data for sgl */
            void                    *ccb_data;
            uint32_t                ccb_len;
    
            uint32_t                ccb_direction;
    #define MFI_DATA_NONE   0
    #define MFI_DATA_IN     1
    #define MFI_DATA_OUT    2
    
            struct scsipi_xfer      *ccb_xs;
    
            void                    (*ccb_done)(struct mfi_ccb *);
    
            volatile enum {
                    MFI_CCB_FREE,
                    MFI_CCB_READY,
                    MFI_CCB_DONE
            }                       ccb_state;
            uint32_t                ccb_flags;
    #define MFI_CCB_F_ERR                   (1<<0)
            TAILQ_ENTRY(mfi_ccb)    ccb_link;
    };
    
    TAILQ_HEAD(mfi_ccb_list, mfi_ccb);
    
    enum mfi_iop {
           MFI_IOP_XSCALE,
           MFI_IOP_PPC,
           MFI_IOP_GEN2
   };
   
   struct mfi_iop_ops {
           uint32_t                (*mio_fw_state)(struct mfi_softc *);
           void                    (*mio_intr_ena)(struct mfi_softc *);
           int                     (*mio_intr)(struct mfi_softc *);
           void                    (*mio_post)(struct mfi_softc *, struct mfi_ccb *);
   };
   
   struct mfi_softc {
           device_t                sc_dev;
           struct scsipi_channel   sc_chan;
           struct scsipi_adapter   sc_adapt;
   
           const struct mfi_iop_ops *sc_iop;
   
           void                    *sc_ih;
   
           uint32_t                sc_flags;
   
           bus_space_tag_t         sc_iot;
           bus_space_handle_t      sc_ioh;
           bus_dma_tag_t           sc_dmat;
   
           /* save some useful information for logical drives that is missing
            * in sc_ld_list
            */
           struct {
                   uint32_t        ld_present;
                   char            ld_dev[16];     /* device name sd? */
           }                       sc_ld[MFI_MAX_LD];
   
           /* firmware determined max, totals and other information*/
           uint32_t                sc_max_cmds;
           uint32_t                sc_max_sgl;
           uint32_t                sc_max_ld;
           uint32_t                sc_ld_cnt;
           /* XXX these struct should be local to mgmt function */
           struct mfi_ctrl_info    sc_info;
           struct mfi_ld_list      sc_ld_list;
           struct mfi_ld_details   sc_ld_details;
   
           /* all commands */
           struct mfi_ccb          *sc_ccb;
   
           /* producer/consumer pointers and reply queue */
           struct mfi_mem          *sc_pcq;
   
           /* frame memory */
           struct mfi_mem          *sc_frames;
           uint32_t                sc_frames_size;
   
           /* sense memory */
           struct mfi_mem          *sc_sense;
   
           struct mfi_ccb_list     sc_ccb_freeq;
   
           struct sysmon_envsys    *sc_sme;
           envsys_data_t           *sc_sensor;
   
   };
   
   int     mfi_attach(struct mfi_softc *sc, enum mfi_iop);
   int     mfi_intr(void *);

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