freebsd-nq/sys/dev/firewire/bus_mgm.c
Katsushi Kobayashi 3c60ba66c4 Initial import for IEEE1394 OHCI chipdet device driver and SBP-2 (Serial
Bus Protocol 2:SCSI over IEEE1394) support for CAM.
2002-09-13 12:31:56 +00:00

457 lines
10 KiB
C

/*
* Copyright (C) 2002
* 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 following acknowledgement:
*
* This product includes software developed by Hidetoshi Shimokawa.
*
* 4. Neither the name of the author nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <dev/firewire/firewire.h>
#include <dev/firewire/iec13213.h>
#include <netinet/in.h>
#include <fcntl.h>
#include <stdio.h>
#include <err.h>
#include <stdlib.h>
#include <string.h>
void
usage(void)
{
printf("bus_mgm [-g gap_count] [-b pri_req] [-c node]"
" [-r] [-t] [-s]\n");
printf("\t-g: broadcast gap_count by phy_config packet\n");
printf("\t-b: set PRIORITY_BUDGET register on all supported nodes\n");
printf("\t-c: read configuration ROM\n");
printf("\t-r: bus reset\n");
printf("\t-t: read topology map\n");
printf("\t-s: read speed map\n");
exit(0);
}
void
get_num_of_dev(int fd, struct fw_devlstreq *data)
{
int i;
data->n = 64;
if( ioctl(fd, FW_GDEVLST, data) < 0) {
err(1, "ioctl");
}
#if 1
printf("%d devices\n", data->n);
for (i = 0; i < data->n; i++) {
printf("%d node %d eui:%08x%08x status:%d\n",
i,
data->dst[i],
data->eui[i].hi,
data->eui[i].lo,
data->status[i]
);
}
#endif
}
u_int32_t
read_write_quad(int fd, struct fw_eui64 eui, u_int32_t addr_lo, int read, u_int32_t data)
{
struct fw_asyreq *asyreq;
u_int32_t *qld, res;
asyreq = (struct fw_asyreq *)malloc(sizeof(struct fw_asyreq_t) + 16);
asyreq->req.len = 16;
asyreq->req.type = FWASREQEUI;
asyreq->req.dst.eui = eui;
#if 0
asyreq->pkt.mode.rreqq.dst = htons(FWLOCALBUS | node);
#endif
asyreq->pkt.mode.rreqq.tlrt = 0;
if (read)
asyreq->pkt.mode.rreqq.tcode = FWTCODE_RREQQ;
else
asyreq->pkt.mode.rreqq.tcode = FWTCODE_WREQQ;
asyreq->pkt.mode.rreqq.dest_hi = htons(0xffff);
asyreq->pkt.mode.rreqq.dest_lo = htonl(addr_lo);
qld = (u_int32_t *)&asyreq->pkt;
if (!read)
asyreq->pkt.mode.wreqq.data = data;
if (ioctl(fd, FW_ASYREQ, asyreq) < 0) {
err(1, "ioctl");
}
res = qld[3];
free(asyreq);
if (read)
return ntohl(res);
else
return 0;
}
void
send_phy_config(int fd, int root_node, int gap_count)
{
struct fw_asyreq *asyreq;
asyreq = (struct fw_asyreq *)malloc(sizeof(struct fw_asyreq_t) + 12);
asyreq->req.len = 12;
asyreq->req.type = FWASREQNODE;
asyreq->pkt.mode.ld[0] = 0;
asyreq->pkt.mode.ld[1] = 0;
asyreq->pkt.mode.common.tcode = FWTCODE_PHY;
if (root_node >= 0)
asyreq->pkt.mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23);
if (gap_count >= 0)
asyreq->pkt.mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16);
asyreq->pkt.mode.ld[2] = ~asyreq->pkt.mode.ld[1];
printf("send phy_config root_node=%d gap_count=%d\n",
root_node, gap_count);
if (ioctl(fd, FW_ASYREQ, asyreq) < 0) {
err(1, "ioctl");
}
}
void
set_pri_req(int fd, int pri_req)
{
struct fw_devlstreq data;
u_int32_t max, reg, old;
int i;
get_num_of_dev(fd, &data);
#define BUGET_REG 0xf0000218
for (i = 0; i < data.n; i++) {
if (!data.status[i])
continue;
reg = read_write_quad(fd, data.eui[i], BUGET_REG, 1, 0);
printf("%d %08x:%08x, %08x",
data.dst[i], data.eui[i].hi, data.eui[i].lo, reg);
if (reg > 0 && pri_req >= 0) {
old = (reg & 0x3f);
max = (reg & 0x3f00) >> 8;
if (pri_req > max)
pri_req = max;
printf(" 0x%x -> 0x%x\n", old, pri_req);
read_write_quad(fd, data.eui[i], BUGET_REG, 0, pri_req);
} else {
printf("\n");
}
}
}
void
parse_text(struct csrtext *textleaf)
{
char buf[256];
u_int32_t *bp;
int i, len;
bp = (u_int32_t *)&buf[0];
len = textleaf->crc_len - 2;
for (i = 0; i < len; i ++) {
*bp++ = ntohl(textleaf->text[i]);
}
*bp = 0;
printf("'%s'", buf);
}
void
parse_crom(struct csrdirectory *dir, int depth)
{
int i, j;
struct csrreg *reg;
printf(" len=0x%04x(%d) crc=0x%04x\n",
dir->crc_len, dir->crc_len, dir->crc);
if (dir->crc_len > 0xff) {
printf(" too long!\n");
return;
}
for (i = 0; i < dir->crc_len; i ++) {
for (j = 0; j < depth; j++)
printf("\t");
reg = &dir->entry[i];
printf("0x%02x 0x%06x ", reg->key, reg->val);
switch (reg->key) {
case 0x03:
printf("module_vendor_ID");
break;
case 0x04:
printf("XXX");
break;
case 0x0c:
printf("node_capabilities");
break;
case 0x12:
printf("unit_spec_ID");
break;
case 0x13:
printf("unit_sw_version");
break;
case 0x14:
printf("logical_unit_number");
break;
case 0x17:
printf("model_ID");
break;
case 0x38:
printf("command_set_spec_ID");
break;
case 0x39:
printf("command_set");
break;
case 0x3a:
printf("unit_characteristics");
break;
case 0x3b:
printf("command_set_revision");
break;
case 0x3c:
printf("firmware_revision");
break;
case 0x3d:
printf("reconnect_timeout");
break;
case 0x54:
printf("management_agent");
break;
case 0x81:
printf("text_leaf: ");
parse_text((struct csrtext *)(reg + reg->val));
break;
case 0xd1:
printf("unit_directory");
parse_crom((struct csrdirectory *)(reg + reg->val),
depth + 1);
break;
default:
printf("uknown");
break;
}
printf("\n");
}
}
void parse_bus_info_block(u_int32_t *p, int info_len)
{
int i;
for (i = 0; i < info_len; i++) {
printf("bus_info: 0x%08x\n", *p++);
}
}
void
show_crom(int fd, int node)
{
struct fw_devlstreq data;
struct fw_crom_buf buf;
struct csrhdr *hdr;
u_int32_t *p;
int i;
get_num_of_dev(fd, &data);
for (i = 0; i < data.n; i++) {
if (data.dst[i] == node && data.eui[i].lo != 0)
break;
}
if (i != data.n) {
printf("node: %d\n", node);
buf.eui = data.eui[i];
} else {
printf("no such node: %d\n", node);
return;
}
buf.len = 256 * 4;
buf.ptr = malloc(buf.len);
if (ioctl(fd, FW_GCROM, &buf) < 0) {
err(1, "ioctl");
}
p = (u_int32_t *)buf.ptr;
printf("first quad: 0x%08x\n", *p);
hdr = (struct csrhdr *)p;
if (hdr->info_len == 1) {
/* minimum ROM */
struct csrreg *reg;
reg = (struct csrreg *)p;
printf("verndor ID: 0x%06x\n", reg->val);
return;
}
printf("len: %d\n", hdr->crc_len);
parse_bus_info_block(p+1, hdr->info_len);
p += 1 + hdr->info_len;
printf("root_directory");
parse_crom((struct csrdirectory *)p, 0);
}
static void
show_topology_map(int fd)
{
struct fw_topology_map *tmap;
union fw_self_id sid;
int i;
static char *port_status[] = {" ", "-", "P", "C"};
static char *pwr_class[] = {" 0W", "15W", "30W", "45W",
"-1W", "-2W", "-5W", "-9W"};
static char *speed[] = {"S100", "S200", "S400", "S800"};
tmap = malloc(sizeof(struct fw_topology_map));
if (tmap == NULL)
return;
if (ioctl(fd, FW_GTPMAP, tmap) < 0) {
err(1, "ioctl");
}
printf("crc_len: %d generation:%d node_count:%d sid_count:%d\n",
tmap->crc_len, tmap->generation,
tmap->node_count, tmap->self_id_count);
printf("id link gap_cnt speed delay cIRM power port0 port1 port2"
" ini more\n");
for (i = 0; i < tmap->crc_len - 2; i++) {
sid = tmap->self_id[i];
if (sid.p0.sequel) {
printf("%02d sequel packet\n", sid.p0.phy_id);
continue;
}
printf("%02d %2d %d %4s %d %d %3s"
" %s %s %s %d %d\n",
sid.p0.phy_id,
sid.p0.link_active,
sid.p0.gap_count,
speed[sid.p0.phy_speed],
sid.p0.phy_delay,
sid.p0.contender,
pwr_class[sid.p0.power_class],
port_status[sid.p0.port0],
port_status[sid.p0.port1],
port_status[sid.p0.port2],
sid.p0.initiated_reset,
sid.p0.more_packets
);
}
}
static void
show_speed_map(int fd)
{
struct fw_speed_map *smap;
int i,j;
smap = malloc(sizeof(struct fw_speed_map));
if (smap == NULL)
return;
if (ioctl(fd, FW_GSPMAP, &smap) < 0) {
err(1, "ioctl");
}
printf("crc_len: %d generation:%d\n", smap->crc_len, smap->generation);
for (i = 0; i < 64; i ++) {
for (j = 0; j < 64; j ++)
printf("%d", smap->speed[i][j]);
printf("\n");
}
}
int
main(int argc, char **argv)
{
char devname[] = "/dev/fw1";
int fd, tmp;
if ((fd = open(devname, O_RDWR)) < 0)
err(1, "open");
if (argc < 2) {
usage();
}
argv++;
argc--;
while (argc > 0) {
if (strcmp(*argv, "-g") == 0) {
/* gap count */
argv++;
argc--;
if (argc > 0) {
tmp = strtoul(*argv, (char **)NULL, 0);
argv++;
argc--;
send_phy_config(fd, -1, tmp);
} else {
usage();
}
} else if (strcmp(*argv, "-b") == 0) {
argv++;
argc--;
tmp = -1;
if (argc > 0) {
tmp = strtoul(*argv, (char **)NULL, 0);
argv++;
argc--;
} else {
usage();
}
set_pri_req(fd, tmp);
} else if (strcmp(*argv, "-r") == 0) {
argv++;
argc--;
/* bus reset */
if(ioctl(fd, FW_IBUSRST, &tmp) < 0) {
err(1, "ioctl");
}
} else if (strcmp(*argv, "-t") == 0) {
argv++;
argc--;
show_topology_map(fd);
} else if (strcmp(*argv, "-s") == 0) {
argv++;
argc--;
show_speed_map(fd);
} else if (strcmp(*argv, "-c") == 0) {
argv++;
argc--;
if (argc > 0) {
tmp = strtoul(*argv, (char **)NULL, 0);
argv++;
argc--;
} else {
usage();
}
show_crom(fd, tmp);
} else
usage();
}
return 0;
}