FreeBSD/Linux Kernel Cross Reference
sys/dev/firewire/firewirereg.h

     /*-
      * Copyright (c) 2003 Hidetoshi Shimokawa
      * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
      * 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the acknowledgement as bellow:
     *
     *    This product includes software developed by K. Kobayashi and H. Shimokawa
     *
     * 4. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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: releng/8.4/sys/dev/firewire/firewirereg.h 171513 2007-07-20 03:42:57Z simokawa $
     *
     */
    
    #ifdef __DragonFly__
    typedef d_thread_t fw_proc;
    #include <sys/select.h>
    #elif __FreeBSD_version >= 500000
    typedef struct thread fw_proc;
    #include <sys/selinfo.h>
    #else
    typedef struct proc fw_proc;
    #include <sys/select.h>
    #endif
    
    #include <sys/uio.h>
    #include <sys/mutex.h>
    #include <sys/taskqueue.h>
    
    #define splfw splimp
    
    STAILQ_HEAD(fw_xferlist, fw_xfer);
    
    struct fw_device{
            uint16_t dst;
            struct fw_eui64 eui;
            uint8_t speed;
            uint8_t maxrec;
            uint8_t nport;
            uint8_t power;
    #define CSRROMOFF 0x400
    #define CSRROMSIZE 0x400
            int rommax;     /* offset from 0xffff f000 0000 */
            uint32_t csrrom[CSRROMSIZE/4];
            int rcnt;
            struct firewire_comm *fc;
            uint32_t status;
    #define FWDEVINIT       1
    #define FWDEVATTACHED   2
    #define FWDEVINVAL      3
            STAILQ_ENTRY(fw_device) link;
    };
    
    struct firewire_softc {
    #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
            struct cdev *dev;
    #endif
            struct firewire_comm *fc;
    };
    
    #define FW_MAX_DMACH 0x20
    #define FW_MAX_DEVCH FW_MAX_DMACH
    #define FW_XFERTIMEOUT 1
    
    struct firewire_dev_comm {
            device_t dev;
            struct firewire_comm *fc;
            void (*post_busreset) (void *);
            void (*post_explore) (void *);
    };
    
    struct tcode_info {
            u_char hdr_len; /* IEEE1394 header length */
            u_char flag;
    #define FWTI_REQ        (1 << 0)
    #define FWTI_RES        (1 << 1)
   #define FWTI_TLABEL     (1 << 2)
   #define FWTI_BLOCK_STR  (1 << 3)
   #define FWTI_BLOCK_ASY  (1 << 4)
           u_char valid_res;
   };
   
   struct firewire_comm{
           device_t dev;
           device_t bdev;
           uint16_t busid:10,
                     nodeid:6;
           u_int mode;
           u_int nport;
           u_int speed;
           u_int maxrec;
           u_int irm;
           u_int max_node;
           u_int max_hop;
   #define FWPHYASYST (1 << 0)
           uint32_t status;
   #define FWBUSDETACH     (-2)
   #define FWBUSNOTREADY   (-1)
   #define FWBUSRESET      0
   #define FWBUSINIT       1
   #define FWBUSCYMELECT   2
   #define FWBUSMGRELECT   3
   #define FWBUSMGRDONE    4
   #define FWBUSEXPLORE    5
   #define FWBUSPHYCONF    6
   #define FWBUSEXPDONE    7
   #define FWBUSCOMPLETION 10
           int nisodma;
           struct fw_eui64 eui;
           struct fw_xferq
                   *arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
           struct fw_xferlist tlabels[0x40];
           u_char last_tlabel[0x40];
           struct mtx tlabel_lock;
           STAILQ_HEAD(, fw_bind) binds;
           STAILQ_HEAD(, fw_device) devices;
           u_int  sid_cnt;
   #define CSRSIZE 0x4000
           uint32_t csr_arc[CSRSIZE/4];
   #define CROMSIZE 0x400
           uint32_t *config_rom;
           struct crom_src_buf *crom_src_buf;
           struct crom_src *crom_src;
           struct crom_chunk *crom_root;
           struct fw_topology_map *topology_map;
           struct fw_speed_map *speed_map;
           struct callout busprobe_callout;
           struct callout bmr_callout;
           struct callout timeout_callout;
           struct task task_timeout;
           uint32_t (*cyctimer) (struct  firewire_comm *);
           void (*ibr) (struct firewire_comm *);
           uint32_t (*set_bmr) (struct firewire_comm *, uint32_t);
           int (*ioctl) (struct cdev *, u_long, caddr_t, int, fw_proc *);
           int (*irx_enable) (struct firewire_comm *, int);
           int (*irx_disable) (struct firewire_comm *, int);
           int (*itx_enable) (struct firewire_comm *, int);
           int (*itx_disable) (struct firewire_comm *, int);
           void (*timeout) (void *);
           void (*poll) (struct firewire_comm *, int, int);
           void (*set_intr) (struct firewire_comm *, int);
           void (*irx_post) (struct firewire_comm *, uint32_t *);
           void (*itx_post) (struct firewire_comm *, uint32_t *);
           struct tcode_info *tcode;
           bus_dma_tag_t dmat;
           struct mtx mtx;
           struct mtx wait_lock;
           struct taskqueue *taskqueue;
           struct proc *probe_thread;
   };
   #define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
   
   #define FW_GMTX(fc)             (&(fc)->mtx)
   #define FW_GLOCK(fc)            mtx_lock(FW_GMTX(fc))
   #define FW_GUNLOCK(fc)          mtx_unlock(FW_GMTX(fc))
   #define FW_GLOCK_ASSERT(fc)     mtx_assert(FW_GMTX(fc), MA_OWNED)
   
   struct fw_xferq {
           int flag;
   #define FWXFERQ_CHTAGMASK 0xff
   #define FWXFERQ_RUNNING (1 << 8)
   #define FWXFERQ_STREAM (1 << 9)
   
   #define FWXFERQ_BULK (1 << 11)
   #define FWXFERQ_MODEMASK (7 << 10)
   
   #define FWXFERQ_EXTBUF (1 << 13)
   #define FWXFERQ_OPEN (1 << 14)
   
   #define FWXFERQ_HANDLER (1 << 16)
   #define FWXFERQ_WAKEUP (1 << 17)
           void (*start) (struct firewire_comm*);
           int dmach;
           struct fw_xferlist q;
           u_int queued;
           u_int maxq;
           u_int psize;
           struct fwdma_alloc_multi *buf;
           u_int bnchunk;
           u_int bnpacket;
           struct fw_bulkxfer *bulkxfer;
           STAILQ_HEAD(, fw_bulkxfer) stvalid;
           STAILQ_HEAD(, fw_bulkxfer) stfree;
           STAILQ_HEAD(, fw_bulkxfer) stdma;
           struct fw_bulkxfer *stproc;
           struct selinfo rsel;
           caddr_t sc;
           void (*hand) (struct fw_xferq *);
   };
   
   struct fw_bulkxfer{
           int poffset;
           struct mbuf *mbuf;
           STAILQ_ENTRY(fw_bulkxfer) link;
           caddr_t start;
           caddr_t end;
           int resp;
   };
   
   struct fw_bind{
           u_int64_t start;
           u_int64_t end;
           struct fw_xferlist xferlist;
           STAILQ_ENTRY(fw_bind) fclist;
           STAILQ_ENTRY(fw_bind) chlist;
           void *sc;
   };
   
   struct fw_xfer{
           caddr_t sc;
           struct firewire_comm *fc;
           struct fw_xferq *q;
           struct timeval tv;
           int8_t resp;
   #define FWXF_INIT       0x00
   #define FWXF_INQ        0x01
   #define FWXF_START      0x02
   #define FWXF_SENT       0x04
   #define FWXF_SENTERR    0x08
   #define FWXF_BUSY       0x10
   #define FWXF_RCVD       0x20
   
   #define FWXF_WAKE       0x80
           uint8_t flag;
           int8_t tl;
           void (*hand) (struct fw_xfer *);
           struct {
                   struct fw_pkt hdr;
                   uint32_t *payload;
                   uint16_t pay_len;
                   uint8_t spd;
           } send, recv;
           struct mbuf *mbuf;
           STAILQ_ENTRY(fw_xfer) link;
           STAILQ_ENTRY(fw_xfer) tlabel;
           struct malloc_type *malloc;
   };
   
   struct fw_rcv_buf {
           struct firewire_comm *fc;
           struct fw_xfer *xfer;
           struct iovec *vec;
           u_int nvec;
           uint8_t spd;
   };
   
   void fw_sidrcv (struct firewire_comm *, uint32_t *, u_int);
   void fw_rcv (struct fw_rcv_buf *);
   void fw_xfer_unload ( struct fw_xfer*);
   void fw_xfer_free_buf ( struct fw_xfer*);
   void fw_xfer_free ( struct fw_xfer*);
   struct fw_xfer *fw_xfer_alloc (struct malloc_type *);
   struct fw_xfer *fw_xfer_alloc_buf (struct malloc_type *, int, int);
   void fw_init (struct firewire_comm *);
   int fw_tbuf_update (struct firewire_comm *, int, int);
   int fw_rbuf_update (struct firewire_comm *, int, int);
   int fw_bindadd (struct firewire_comm *, struct fw_bind *);
   int fw_bindremove (struct firewire_comm *, struct fw_bind *);
   int fw_xferlist_add (struct fw_xferlist *, struct malloc_type *, int, int, int,
       struct firewire_comm *, void *, void (*)(struct fw_xfer *));
   void fw_xferlist_remove (struct fw_xferlist *);
   int fw_asyreq (struct firewire_comm *, int, struct fw_xfer*);
   void fw_busreset (struct firewire_comm *, uint32_t);
   uint16_t fw_crc16 (uint32_t *, uint32_t);
   void fw_xfer_timeout (void *);
   void fw_xfer_done (struct fw_xfer *);
   void fw_xferwake (struct fw_xfer *);
   int fw_xferwait (struct fw_xfer *);
   void fw_asy_callback_free (struct fw_xfer *);
   struct fw_device *fw_noderesolve_nodeid (struct firewire_comm *, int);
   struct fw_device *fw_noderesolve_eui64 (struct firewire_comm *, struct fw_eui64 *);
   struct fw_bind *fw_bindlookup (struct firewire_comm *, uint16_t, uint32_t);
   void fw_drain_txq (struct firewire_comm *);
   int fwdev_makedev (struct firewire_softc *);
   int fwdev_destroydev (struct firewire_softc *);
   void fwdev_clone (void *, struct ucred *, char *, int, struct cdev **);
   int fw_open_isodma(struct firewire_comm *, int);
   
   extern int firewire_debug;
   extern devclass_t firewire_devclass;
   extern int firewire_phydma_enable;
   
   #ifdef __DragonFly__
   #define         FWPRI           PCATCH
   #else
   #define         FWPRI           ((PZERO+8)|PCATCH)
   #endif
   
   #if defined(__DragonFly__) || __FreeBSD_version < 500000
   #define CALLOUT_INIT(x) callout_init(x)
   #else
   #define CALLOUT_INIT(x) callout_init(x, 1 /* mpsafe */)
   #endif
   
   #if defined(__DragonFly__) || __FreeBSD_version < 500000
   /* compatibility shim for 4.X */
   #define bio buf
   #define bio_bcount b_bcount
   #define bio_cmd b_flags
   #define bio_count b_count
   #define bio_data b_data
   #define bio_dev b_dev
   #define bio_error b_error
   #define bio_flags b_flags
   #define bio_offset b_offset
   #define bio_resid b_resid
   #define BIO_ERROR B_ERROR
   #define BIO_READ B_READ
   #define BIO_WRITE B_WRITE
   #define MIN(a,b) (((a)<(b))?(a):(b))
   #define MAX(a,b) (((a)>(b))?(a):(b))
   #endif
   
   MALLOC_DECLARE(M_FW);
   MALLOC_DECLARE(M_FWXFER);

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