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freebsd-nq/sys/dev/firewire/firewirereg.h
Hidetoshi Shimokawa 627d85fbdd firewire/fwohci 
- Drain fwohci TX queue first then drain xfer queue which has not started.
- Check validity of the received packet length.
- Don't allocate too large buffer for xfer receive buf.

sbp
- Fix panic for some CROM which doesn't have a text leaf.
	This could fix the PR kern/48129 but no feedback has been gotten from
	the originator yet.
- Put back some M_NOWAIT flags into malloc which could be called
	in interrupt context for 4-stable.
2003-02-13 13:35:57 +00:00

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/*
* 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.
*
* $FreeBSD$
*
*/
#if __FreeBSD_version >= 500000
typedef struct thread fw_proc;
#include <sys/selinfo.h>
#else
typedef struct proc fw_proc;
#include <sys/select.h>
#endif
#define splfw splimp
struct fw_device{
u_int16_t dst;
struct fw_eui64 eui;
#if 0
u_int32_t spec;
u_int32_t ver;
#endif
u_int8_t speed;
u_int8_t maxrec;
u_int8_t nport;
u_int8_t power;
#define CSRROMOFF 0x400
#define CSRROMSIZE 0x400
int rommax; /* offset from 0xffff f000 0000 */
u_int32_t csrrom[CSRROMSIZE/4];
int rcnt;
struct firewire_comm *fc;
u_int32_t status;
#define FWDEVINIT 1
#define FWDEVATTACHED 2
#define FWDEVINVAL 3
STAILQ_ENTRY(fw_device) link;
#if 0
LIST_HEAD(, fw_xfer) txqueue;
LIST_HEAD(, fw_xfer) rxqueue;
#endif
};
struct firewire_softc {
#if __FreeBSD_version >= 500000
dev_t dev;
#else
dev_t dev[FWMAXNDMA+1];
#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_explore) __P((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)
};
struct firewire_comm{
device_t dev;
device_t bdev;
u_int16_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;
u_int max_asyretry;
#define FWPHYASYST (1 << 0)
u_int retry_count;
u_int32_t ongobus:10,
ongonode:6,
ongoaddr:16;
struct fw_device *ongodev;
struct fw_eui64 ongoeui;
#define FWMAXCSRDIR 16
SLIST_HEAD(, csrdir) ongocsr;
SLIST_HEAD(, csrdir) csrfree;
u_int32_t status;
#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;
STAILQ_HEAD(fw_queue, fw_xfer);
struct fw_xferq
*arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
STAILQ_HEAD(, tlabel) tlabels[0x40];
STAILQ_HEAD(, fw_bind) binds;
STAILQ_HEAD(, fw_device) devices;
STAILQ_HEAD(, fw_xfer) pending;
volatile u_int32_t *sid_buf;
u_int sid_cnt;
#define CSRSIZE 0x4000
u_int32_t csr_arc[CSRSIZE/4];
#define CROMSIZE 0x400
u_int32_t *config_rom;
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 callout retry_probe_callout;
u_int32_t (*cyctimer) __P((struct firewire_comm *));
void (*ibr) __P((struct firewire_comm *));
u_int32_t (*set_bmr) __P((struct firewire_comm *, u_int32_t));
int (*ioctl) __P((dev_t, u_long, caddr_t, int, fw_proc *));
int (*irx_enable) __P((struct firewire_comm *, int));
int (*irx_disable) __P((struct firewire_comm *, int));
int (*itx_enable) __P((struct firewire_comm *, int));
int (*itx_disable) __P((struct firewire_comm *, int));
void (*timeout) __P((void *));
void (*poll) __P((struct firewire_comm *, int, int));
void (*set_intr) __P((struct firewire_comm *, int));
void (*irx_post) __P((struct firewire_comm *, u_int32_t *));
void (*itx_post) __P((struct firewire_comm *, u_int32_t *));
struct tcode_info *tcode;
};
#define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
struct csrdir{
u_int32_t ongoaddr;
u_int32_t off;
SLIST_ENTRY(csrdir) link;
};
struct fw_xferq {
int flag;
#define FWXFERQ_CHTAGMASK 0xff
#define FWXFERQ_RUNNING (1 << 8)
#define FWXFERQ_STREAM (1 << 9)
#define FWXFERQ_PACKET (1 << 10)
#define FWXFERQ_BULK (1 << 11)
#if 0 /* BROKEN */
#define FWXFERQ_DV (1 << 12)
#endif
#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) __P((struct firewire_comm*));
void (*drain) __P((struct firewire_comm*, struct fw_xfer*));
struct fw_queue q;
u_int queued;
u_int maxq;
u_int psize;
u_int packets;
STAILQ_HEAD(, fw_bind) binds;
caddr_t 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;
#ifdef FWXFERQ_DV
int dvdbc, dvdiff, dvsync, dvoffset;
struct fw_dvbuf *dvbuf;
STAILQ_HEAD(, fw_dvbuf) dvvalid;
STAILQ_HEAD(, fw_dvbuf) dvfree;
struct fw_dvbuf *dvdma;
struct fw_dvbuf *dvproc;
u_int dvptr;
u_int dvpacket;
#endif
struct selinfo rsel;
caddr_t sc;
void (*hand) __P((struct fw_xferq *));
};
struct fw_bulkxfer{
caddr_t buf;
STAILQ_ENTRY(fw_bulkxfer) link;
caddr_t start;
caddr_t end;
u_int npacket;
};
struct fw_dvbuf{
caddr_t buf;
STAILQ_ENTRY(fw_dvbuf) link;
};
struct tlabel{
struct fw_xfer *xfer;
STAILQ_ENTRY(tlabel) link;
};
struct fw_bind{
u_int32_t start_hi, start_lo, addrlen;
struct fw_xfer* xfer;
STAILQ_ENTRY(fw_bind) fclist;
STAILQ_ENTRY(fw_bind) chlist;
};
struct fw_xfer{
caddr_t sc;
struct firewire_comm *fc;
struct fw_xferq *q;
#ifdef XFER_TIMEOUT
struct callout_handle ch;
#endif
struct timeval tv;
struct fw_tlabel *tlabel;
u_int8_t spd;
u_int8_t tcode;
int resp;
#define FWXF_INIT 0
#define FWXF_INQ 1
#define FWXF_START 2
#define FWXF_SENT 3
#define FWXF_SENTERR 4
#define FWXF_BUSY 8
#define FWXF_RCVD 10
int state;
u_int8_t retry;
u_int8_t tl;
int sub;
int32_t dst;
u_int8_t act_type;
#define FWACT_NULL 0
#define FWACT_XFER 2
#define FWACT_CH 3
void (*retry_req) __P((struct fw_xfer *));
union{
void (*hand) __P((struct fw_xfer *));
} act;
union{
struct {
struct fw_device *device;
} req;
struct {
struct stch *channel;
} stream;
} mode;
struct {
u_int16_t len, off;
caddr_t buf;
} send, recv;
struct mbuf *mbuf;
STAILQ_ENTRY(fw_xfer) link;
struct malloc_type *malloc;
};
void fw_sidrcv __P((struct firewire_comm *, caddr_t, u_int, u_int));
void fw_rcv __P((struct firewire_comm *, caddr_t, u_int, u_int, u_int, u_int));
void fw_xfer_free __P(( struct fw_xfer*));
struct fw_xfer *fw_xfer_alloc __P((struct malloc_type *));
void fw_init __P((struct firewire_comm *));
int fw_tbuf_update __P((struct firewire_comm *, int, int));
int fw_rbuf_update __P((struct firewire_comm *, int, int));
int fw_readreqq __P((struct firewire_comm *, u_int32_t, u_int32_t, u_int32_t *));
int fw_writereqb __P((struct firewire_comm *, u_int32_t, u_int32_t, u_int32_t, u_int32_t *));
int fw_readresb __P((struct firewire_comm *, u_int32_t, u_int32_t, u_int32_t, u_int32_t*));
int fw_writeres __P((struct firewire_comm *, u_int32_t, u_int32_t));
u_int32_t getcsrdata __P((struct fw_device *, u_int8_t));
void fw_asybusy __P((struct fw_xfer *));
int fw_bindadd __P((struct firewire_comm *, struct fw_bind *));
int fw_bindremove __P((struct firewire_comm *, struct fw_bind *));
int fw_asyreq __P((struct firewire_comm *, int, struct fw_xfer*));
void fw_busreset __P((struct firewire_comm *));
u_int16_t fw_crc16 __P((u_int32_t *, u_int32_t));
void fw_xfer_timeout __P((void *));
void fw_xfer_done __P((struct fw_xfer *));
void fw_asy_callback __P((struct fw_xfer *));
struct fw_device *fw_noderesolve_nodeid __P((struct firewire_comm *, int));
struct fw_device *fw_noderesolve_eui64 __P((struct firewire_comm *, struct fw_eui64 *));
struct fw_bind *fw_bindlookup __P((struct firewire_comm *, u_int32_t, u_int32_t));
void fw_drain_txq __P((struct firewire_comm *));
extern int firewire_debug;
extern devclass_t firewire_devclass;
#define DV_BROADCAST_ON (1<<30)
#define IP_CHANNELS 0x0234
#define STATE_CLEAR 0x0000
#define STATE_SET 0x0004
#define NODE_IDS 0x0008
#define RESET_START 0x000c
#define SPLIT_TIMEOUT_HI 0x0018
#define SPLIT_TIMEOUT_LO 0x001c
#define CYCLE_TIME 0x0200
#define BUS_TIME 0x0204
#define BUSY_TIMEOUT 0x0210
#define BUS_MGR_ID 0x021c
#define BANDWIDTH_AV 0x0220
#define CHANNELS_AV_HI 0x0224
#define CHANNELS_AV_LO 0x0228
#define CONF_ROM 0x0400
#define TOPO_MAP 0x1000
#define SPED_MAP 0x2000
#define oMPR 0x900
#define oPCR 0x904
#define iMPR 0x980
#define iPCR 0x984
#define FWPRI ((PZERO+8)|PCATCH)
#ifdef __alpha__
#undef vtophys
#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)(va))
#endif /* __alpha__ */
MALLOC_DECLARE(M_FW);
MALLOC_DECLARE(M_FWXFER);
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