339 lines
9.4 KiB
C
339 lines
9.4 KiB
C
/*-
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* Copyright (c) 2003 Hidetoshi Shimokawa
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* Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the acknowledgement as bellow:
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*
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* This product includes software developed by K. Kobayashi and H. Shimokawa
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*
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#ifdef __DragonFly__
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typedef d_thread_t fw_proc;
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#include <sys/select.h>
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#elif __FreeBSD_version >= 500000
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typedef struct thread fw_proc;
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#include <sys/selinfo.h>
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#else
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typedef struct proc fw_proc;
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#include <sys/select.h>
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#endif
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#include <sys/uio.h>
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#include <sys/mutex.h>
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#include <sys/taskqueue.h>
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#define splfw splimp
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STAILQ_HEAD(fw_xferlist, fw_xfer);
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struct fw_device{
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uint16_t dst;
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struct fw_eui64 eui;
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uint8_t speed;
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uint8_t maxrec;
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uint8_t nport;
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uint8_t power;
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#define CSRROMOFF 0x400
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#define CSRROMSIZE 0x400
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int rommax; /* offset from 0xffff f000 0000 */
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uint32_t csrrom[CSRROMSIZE/4];
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int rcnt;
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struct firewire_comm *fc;
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uint32_t status;
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#define FWDEVINIT 1
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#define FWDEVATTACHED 2
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#define FWDEVINVAL 3
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STAILQ_ENTRY(fw_device) link;
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};
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struct firewire_softc {
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#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
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struct cdev *dev;
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#endif
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struct firewire_comm *fc;
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};
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#define FW_MAX_DMACH 0x20
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#define FW_MAX_DEVCH FW_MAX_DMACH
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#define FW_XFERTIMEOUT 1
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struct firewire_dev_comm {
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device_t dev;
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struct firewire_comm *fc;
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void (*post_busreset) (void *);
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void (*post_explore) (void *);
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};
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struct tcode_info {
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u_char hdr_len; /* IEEE1394 header length */
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u_char flag;
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#define FWTI_REQ (1 << 0)
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#define FWTI_RES (1 << 1)
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#define FWTI_TLABEL (1 << 2)
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#define FWTI_BLOCK_STR (1 << 3)
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#define FWTI_BLOCK_ASY (1 << 4)
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u_char valid_res;
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};
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struct firewire_comm{
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device_t dev;
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device_t bdev;
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uint16_t busid:10,
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nodeid:6;
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u_int mode;
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u_int nport;
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u_int speed;
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u_int maxrec;
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u_int irm;
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u_int max_node;
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u_int max_hop;
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#define FWPHYASYST (1 << 0)
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uint32_t status;
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#define FWBUSDETACH (-2)
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#define FWBUSNOTREADY (-1)
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#define FWBUSRESET 0
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#define FWBUSINIT 1
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#define FWBUSCYMELECT 2
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#define FWBUSMGRELECT 3
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#define FWBUSMGRDONE 4
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#define FWBUSEXPLORE 5
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#define FWBUSPHYCONF 6
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#define FWBUSEXPDONE 7
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#define FWBUSCOMPLETION 10
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int nisodma;
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struct fw_eui64 eui;
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struct fw_xferq
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*arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
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struct fw_xferlist tlabels[0x40];
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u_char last_tlabel[0x40];
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struct mtx tlabel_lock;
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STAILQ_HEAD(, fw_bind) binds;
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STAILQ_HEAD(, fw_device) devices;
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u_int sid_cnt;
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#define CSRSIZE 0x4000
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uint32_t csr_arc[CSRSIZE/4];
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#define CROMSIZE 0x400
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uint32_t *config_rom;
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struct crom_src_buf *crom_src_buf;
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struct crom_src *crom_src;
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struct crom_chunk *crom_root;
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struct fw_topology_map *topology_map;
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struct fw_speed_map *speed_map;
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struct callout busprobe_callout;
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struct callout bmr_callout;
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struct callout timeout_callout;
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struct task task_timeout;
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uint32_t (*cyctimer) (struct firewire_comm *);
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void (*ibr) (struct firewire_comm *);
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uint32_t (*set_bmr) (struct firewire_comm *, uint32_t);
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int (*ioctl) (struct cdev *, u_long, caddr_t, int, fw_proc *);
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int (*irx_enable) (struct firewire_comm *, int);
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int (*irx_disable) (struct firewire_comm *, int);
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int (*itx_enable) (struct firewire_comm *, int);
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int (*itx_disable) (struct firewire_comm *, int);
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void (*timeout) (void *);
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void (*poll) (struct firewire_comm *, int, int);
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void (*set_intr) (struct firewire_comm *, int);
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void (*irx_post) (struct firewire_comm *, uint32_t *);
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void (*itx_post) (struct firewire_comm *, uint32_t *);
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struct tcode_info *tcode;
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bus_dma_tag_t dmat;
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struct mtx mtx;
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struct mtx wait_lock;
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struct taskqueue *taskqueue;
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struct proc *probe_thread;
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};
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#define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
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#define FW_GMTX(fc) (&(fc)->mtx)
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#define FW_GLOCK(fc) mtx_lock(FW_GMTX(fc))
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#define FW_GUNLOCK(fc) mtx_unlock(FW_GMTX(fc))
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#define FW_GLOCK_ASSERT(fc) mtx_assert(FW_GMTX(fc), MA_OWNED)
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struct fw_xferq {
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int flag;
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#define FWXFERQ_CHTAGMASK 0xff
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#define FWXFERQ_RUNNING (1 << 8)
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#define FWXFERQ_STREAM (1 << 9)
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#define FWXFERQ_BULK (1 << 11)
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#define FWXFERQ_MODEMASK (7 << 10)
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#define FWXFERQ_EXTBUF (1 << 13)
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#define FWXFERQ_OPEN (1 << 14)
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#define FWXFERQ_HANDLER (1 << 16)
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#define FWXFERQ_WAKEUP (1 << 17)
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void (*start) (struct firewire_comm*);
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int dmach;
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struct fw_xferlist q;
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u_int queued;
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u_int maxq;
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u_int psize;
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struct fwdma_alloc_multi *buf;
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u_int bnchunk;
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u_int bnpacket;
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struct fw_bulkxfer *bulkxfer;
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STAILQ_HEAD(, fw_bulkxfer) stvalid;
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STAILQ_HEAD(, fw_bulkxfer) stfree;
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STAILQ_HEAD(, fw_bulkxfer) stdma;
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struct fw_bulkxfer *stproc;
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struct selinfo rsel;
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caddr_t sc;
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void (*hand) (struct fw_xferq *);
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};
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struct fw_bulkxfer{
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int poffset;
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struct mbuf *mbuf;
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STAILQ_ENTRY(fw_bulkxfer) link;
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caddr_t start;
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caddr_t end;
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int resp;
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};
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struct fw_bind{
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u_int64_t start;
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u_int64_t end;
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struct fw_xferlist xferlist;
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STAILQ_ENTRY(fw_bind) fclist;
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STAILQ_ENTRY(fw_bind) chlist;
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void *sc;
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};
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struct fw_xfer{
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caddr_t sc;
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struct firewire_comm *fc;
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struct fw_xferq *q;
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struct timeval tv;
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int8_t resp;
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#define FWXF_INIT 0x00
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#define FWXF_INQ 0x01
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#define FWXF_START 0x02
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#define FWXF_SENT 0x04
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#define FWXF_SENTERR 0x08
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#define FWXF_BUSY 0x10
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#define FWXF_RCVD 0x20
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#define FWXF_WAKE 0x80
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uint8_t flag;
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int8_t tl;
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void (*hand) (struct fw_xfer *);
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struct {
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struct fw_pkt hdr;
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uint32_t *payload;
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uint16_t pay_len;
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uint8_t spd;
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} send, recv;
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struct mbuf *mbuf;
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STAILQ_ENTRY(fw_xfer) link;
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STAILQ_ENTRY(fw_xfer) tlabel;
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struct malloc_type *malloc;
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};
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struct fw_rcv_buf {
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struct firewire_comm *fc;
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struct fw_xfer *xfer;
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struct iovec *vec;
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u_int nvec;
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uint8_t spd;
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};
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void fw_sidrcv (struct firewire_comm *, uint32_t *, u_int);
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void fw_rcv (struct fw_rcv_buf *);
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void fw_xfer_unload ( struct fw_xfer*);
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void fw_xfer_free_buf ( struct fw_xfer*);
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void fw_xfer_free ( struct fw_xfer*);
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struct fw_xfer *fw_xfer_alloc (struct malloc_type *);
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struct fw_xfer *fw_xfer_alloc_buf (struct malloc_type *, int, int);
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void fw_init (struct firewire_comm *);
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int fw_tbuf_update (struct firewire_comm *, int, int);
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int fw_rbuf_update (struct firewire_comm *, int, int);
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int fw_bindadd (struct firewire_comm *, struct fw_bind *);
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int fw_bindremove (struct firewire_comm *, struct fw_bind *);
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int fw_xferlist_add (struct fw_xferlist *, struct malloc_type *, int, int, int,
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struct firewire_comm *, void *, void (*)(struct fw_xfer *));
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void fw_xferlist_remove (struct fw_xferlist *);
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int fw_asyreq (struct firewire_comm *, int, struct fw_xfer*);
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void fw_busreset (struct firewire_comm *, uint32_t);
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uint16_t fw_crc16 (uint32_t *, uint32_t);
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void fw_xfer_timeout (void *);
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void fw_xfer_done (struct fw_xfer *);
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void fw_xferwake (struct fw_xfer *);
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int fw_xferwait (struct fw_xfer *);
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void fw_asy_callback_free (struct fw_xfer *);
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struct fw_device *fw_noderesolve_nodeid (struct firewire_comm *, int);
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struct fw_device *fw_noderesolve_eui64 (struct firewire_comm *, struct fw_eui64 *);
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struct fw_bind *fw_bindlookup (struct firewire_comm *, uint16_t, uint32_t);
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void fw_drain_txq (struct firewire_comm *);
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int fwdev_makedev (struct firewire_softc *);
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int fwdev_destroydev (struct firewire_softc *);
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void fwdev_clone (void *, struct ucred *, char *, int, struct cdev **);
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int fw_open_isodma(struct firewire_comm *, int);
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extern int firewire_debug;
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extern devclass_t firewire_devclass;
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extern int firewire_phydma_enable;
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#ifdef __DragonFly__
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#define FWPRI PCATCH
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#else
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#define FWPRI ((PZERO+8)|PCATCH)
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#endif
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#if defined(__DragonFly__) || __FreeBSD_version < 500000
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#define CALLOUT_INIT(x) callout_init(x)
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#else
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#define CALLOUT_INIT(x) callout_init(x, 1 /* mpsafe */)
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#endif
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#if defined(__DragonFly__) || __FreeBSD_version < 500000
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/* compatibility shim for 4.X */
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#define bio buf
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#define bio_bcount b_bcount
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#define bio_cmd b_flags
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#define bio_count b_count
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#define bio_data b_data
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#define bio_dev b_dev
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#define bio_error b_error
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#define bio_flags b_flags
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#define bio_offset b_offset
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#define bio_resid b_resid
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#define BIO_ERROR B_ERROR
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#define BIO_READ B_READ
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#define BIO_WRITE B_WRITE
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#define MAX(a,b) (((a)>(b))?(a):(b))
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#endif
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MALLOC_DECLARE(M_FW);
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MALLOC_DECLARE(M_FWXFER);
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