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freebsd/sys/dev/firewire/firewirereg.h
Hidetoshi Shimokawa b0f99fbdbc Protect transaction labels by its own lock to reduce lock contention. 
Approved by: re (rwatson)
2007-07-20 03:42:57 +00:00

339 lines
9.4 KiB
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/*-
* 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.
*
* $FreeBSD$
*
*/
#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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