2006-10-12 17:38:32 +00:00
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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
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#include <assert.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/poll.h>
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#include <camlib.h>
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#include <cam/scsi/scsi_message.h>
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#include <cam/scsi/scsi_pass.h>
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#include <err.h> /* XXX */
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#include "transport.h"
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#include "drive.h"
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#include "sg.h"
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#include "spc.h"
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#include "mmc.h"
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#include "sbc.h"
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#include "debug.h"
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#include "toc.h"
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#include "util.h"
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2006-10-17 03:09:29 +00:00
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#include "libdax_msgs.h"
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extern struct libdax_msgs *libdax_messenger;
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2006-10-12 17:38:32 +00:00
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static void enumerate_common(char *fname, int bus_no, int host_no,
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int channel_no, int target_no, int lun_no);
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/* ts A51221 */
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int burn_drive_is_banned(char *device_address);
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/* ts A60813 : storage objects are in libburn/init.c
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wether to use O_EXCL
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wether to use O_NOBLOCK with open(2) on devices
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wether to take O_EXCL rejection as fatal error */
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extern int burn_sg_open_o_excl;
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extern int burn_sg_open_o_nonblock;
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extern int burn_sg_open_abort_busy;
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/* ts A60821
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<<< debug: for tracing calls which might use open drive fds */
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int mmc_function_spy(char * text);
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2006-10-14 12:24:03 +00:00
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/** Returns the next index number and the next enumerated drive address.
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@param idx An opaque handle. Make no own theories about it.
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@param adr Takes the reply
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@param adr_size Gives maximum size of reply including final 0
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@param initialize 1 = start new,
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0 = continue, use no other values for now
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-1 = finish
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@return 1 = reply is a valid address , 0 = no further address available
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-1 = severe error (e.g. adr_size too small)
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*/
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int sg_give_next_adr(burn_drive_enumerator_t *idx,
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char adr[], int adr_size, int initialize)
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2006-10-12 17:38:32 +00:00
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{
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return (0);
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}
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int sg_is_enumerable_adr(char* adr)
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{
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return (0);
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}
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int sg_obtain_scsi_adr(char *path, int *bus_no, int *host_no, int *channel_no,
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int *target_no, int *lun_no)
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{
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return (0);
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}
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int sg_close_drive(struct burn_drive * d)
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{
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if (d->cam != NULL) {
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cam_close_device(d->cam);
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d->cam = NULL;
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}
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return 0;
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}
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void ata_enumerate(void)
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{
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/* Do not supported */
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}
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void sg_enumerate(void)
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{
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union ccb ccb;
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int bufsize, fd;
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unsigned int i;
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int skip_device = 0;
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if ((fd = open(XPT_DEVICE, O_RDWR)) == -1) {
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warn("couldn't open %s", XPT_DEVICE);
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return;
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}
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bzero(&ccb, sizeof(union ccb));
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ccb.ccb_h.path_id = CAM_XPT_PATH_ID;
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ccb.ccb_h.target_id = CAM_TARGET_WILDCARD;
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ccb.ccb_h.target_lun = CAM_LUN_WILDCARD;
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ccb.ccb_h.func_code = XPT_DEV_MATCH;
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bufsize = sizeof(struct dev_match_result) * 100;
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ccb.cdm.match_buf_len = bufsize;
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ccb.cdm.matches = (struct dev_match_result *)malloc(bufsize);
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if (ccb.cdm.matches == NULL) {
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warnx("can't malloc memory for matches");
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close(fd);
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return;
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}
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ccb.cdm.num_matches = 0;
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/*
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* We fetch all nodes, since we display most of them in the default
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* case, and all in the verbose case.
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*/
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ccb.cdm.num_patterns = 0;
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ccb.cdm.pattern_buf_len = 0;
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/*
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* We do the ioctl multiple times if necessary, in case there are
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* more than 100 nodes in the EDT.
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*/
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do {
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if (ioctl(fd, CAMIOCOMMAND, &ccb) == -1) {
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warn("error sending CAMIOCOMMAND ioctl");
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break;
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}
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if ((ccb.ccb_h.status != CAM_REQ_CMP)
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|| ((ccb.cdm.status != CAM_DEV_MATCH_LAST)
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&& (ccb.cdm.status != CAM_DEV_MATCH_MORE))) {
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warnx("got CAM error %#x, CDM error %d\n",
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ccb.ccb_h.status, ccb.cdm.status);
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break;
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}
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for (i = 0; i < ccb.cdm.num_matches; i++) {
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switch (ccb.cdm.matches[i].type) {
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case DEV_MATCH_BUS:
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break;
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case DEV_MATCH_DEVICE: {
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struct device_match_result* result;
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result = &ccb.cdm.matches[i].result.device_result;
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if (result->flags & DEV_RESULT_UNCONFIGURED)
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skip_device = 1;
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else
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skip_device = 0;
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break;
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}
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case DEV_MATCH_PERIPH: {
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struct periph_match_result* result;
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char buf[64];
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result = &ccb.cdm.matches[i].result.periph_result;
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if (skip_device || strcmp(result->periph_name, "pass") == 0)
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break;
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snprintf(buf, sizeof (buf), "/dev/%s%d", result->periph_name, result->unit_number);
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/* ts A51221 */
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if (burn_drive_is_banned(buf))
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break;
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enumerate_common(buf, result->path_id, result->path_id, 0,
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result->target_id, result->target_lun);
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break;
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}
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default:
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fprintf(stdout, "unknown match type\n");
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break;
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}
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}
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} while ((ccb.ccb_h.status == CAM_REQ_CMP)
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&& (ccb.cdm.status == CAM_DEV_MATCH_MORE));
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close(fd);
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}
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static void enumerate_common(char *fname, int bus_no, int host_no,
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int channel_no, int target_no, int lun_no)
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{
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struct burn_drive *t;
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struct burn_drive out;
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/* ts A60923 */
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out.bus_no = bus_no;
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out.host = host_no;
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out.id = target_no;
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out.channel = channel_no;
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out.lun = lun_no;
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out.devname = burn_strdup(fname);
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out.cam = NULL;
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2006-10-20 11:34:52 +00:00
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out.start_lba= -2000000000;
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out.end_lba= -2000000000;
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2006-10-21 10:34:15 +00:00
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out.read_atip = mmc_read_atip;
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2006-10-20 11:34:52 +00:00
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2006-10-12 17:38:32 +00:00
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out.grab = sg_grab;
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out.release = sg_release;
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out.issue_command = sg_issue_command;
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out.getcaps = spc_getcaps;
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out.released = 1;
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out.status = BURN_DISC_UNREADY;
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out.eject = sbc_eject;
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out.load = sbc_load;
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out.lock = spc_prevent;
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out.unlock = spc_allow;
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out.read_disc_info = spc_sense_write_params;
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out.get_erase_progress = spc_get_erase_progress;
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out.test_unit_ready = spc_test_unit_ready;
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out.probe_write_modes = spc_probe_write_modes;
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out.read_toc = mmc_read_toc;
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out.write = mmc_write;
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out.erase = mmc_erase;
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out.read_sectors = mmc_read_sectors;
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out.perform_opc = mmc_perform_opc;
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out.set_speed = mmc_set_speed;
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out.send_parameters = spc_select_error_params;
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out.send_write_parameters = spc_select_write_params;
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out.send_cue_sheet = mmc_send_cue_sheet;
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out.sync_cache = mmc_sync_cache;
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out.get_nwa = mmc_get_nwa;
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out.close_disc = mmc_close_disc;
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out.close_session = mmc_close_session;
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out.idata = malloc(sizeof(struct burn_scsi_inquiry_data));
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out.idata->valid = 0;
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out.mdata = malloc(sizeof(struct scsi_mode_data));
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out.mdata->valid = 0;
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2006-10-17 03:09:29 +00:00
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if (out.idata == NULL || out.mdata == NULL) {
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libdax_msgs_submit(libdax_messenger, -1, 0x00020108,
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LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
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"Could not allocate new drive object", 0, 0);
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return;
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}
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2006-10-12 17:38:32 +00:00
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memset(&out.params, 0, sizeof(struct params));
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t = burn_drive_register(&out);
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/* ts A60821
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<<< debug: for tracing calls which might use open drive fds */
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mmc_function_spy("enumerate_common : -------- doing grab");
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/* try to get the drive info */
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if (t->grab(t)) {
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burn_print(2, "getting drive info\n");
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t->getcaps(t);
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t->unlock(t);
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t->released = 1;
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} else {
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burn_print(2, "unable to grab new located drive\n");
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}
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/* ts A60821
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<<< debug: for tracing calls which might use open drive fds */
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mmc_function_spy("enumerate_common : ----- would release ");
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}
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/*
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we use the sg reference count to decide whether we can use the
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drive or not.
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if refcount is not one, drive is open somewhere else.
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*/
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int sg_grab(struct burn_drive *d)
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{
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int count;
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struct cam_device *cam;
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2006-10-17 03:09:29 +00:00
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mmc_function_spy("sg_grab");
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assert(d->cam == NULL);
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2006-10-12 17:38:32 +00:00
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cam = cam_open_device(d->devname, O_RDWR);
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2006-10-17 03:09:29 +00:00
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if (cam == NULL) {
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libdax_msgs_submit(libdax_messenger, d->global_index, 0x00020003,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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"Could not grab drive", 0/*os_errno*/, 0);
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2006-10-12 17:38:32 +00:00
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return 0;
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2006-10-17 03:09:29 +00:00
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}
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2006-10-12 17:38:32 +00:00
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/* er = ioctl(fd, SG_GET_ACCESS_COUNT, &count);*/
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count = 1;
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if (1 == count) {
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d->cam = cam;
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fcntl(cam->fd, F_SETOWN, getpid());
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d->released = 0;
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return 1;
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}
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burn_print(1, "could not acquire drive - already open\n");
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sg_close_drive(d);
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return 0;
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}
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/*
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non zero return means you still have the drive and it's not
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in a state to be released? (is that even possible?)
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*/
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int sg_release(struct burn_drive *d)
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{
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2006-10-17 03:09:29 +00:00
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mmc_function_spy("sg_release");
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2006-10-12 17:38:32 +00:00
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if (d->cam == NULL) {
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burn_print(1, "release an ungrabbed drive. die\n");
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return 0;
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}
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2006-10-17 03:09:29 +00:00
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mmc_function_spy("sg_release ----------- closing.");
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2006-10-12 17:38:32 +00:00
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sg_close_drive(d);
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return 0;
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}
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int sg_issue_command(struct burn_drive *d, struct command *c)
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{
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int done = 0;
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int err;
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union ccb *ccb;
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2006-10-17 03:09:29 +00:00
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char buf[161];
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snprintf(buf, sizeof (buf), "sg_issue_command d->cam=%p d->released=%d",
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(void*)d->cam, d->released);
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mmc_function_spy(buf);
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if (d->cam == NULL) {
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c->error = 0;
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return 0;
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}
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2006-10-12 17:38:32 +00:00
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c->error = 0;
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ccb = cam_getccb(d->cam);
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cam_fill_csio(&ccb->csio,
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1, /* retries */
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NULL, /* cbfncp */
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CAM_DEV_QFRZDIS, /* flags */
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MSG_SIMPLE_Q_TAG, /* tag_action */
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NULL, /* data_ptr */
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0, /* dxfer_len */
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sizeof (ccb->csio.sense_data), /* sense_len */
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0, /* cdb_len */
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30*1000); /* timeout */
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switch (c->dir) {
|
|
|
|
case TO_DRIVE:
|
|
|
|
ccb->csio.ccb_h.flags |= CAM_DIR_OUT;
|
|
|
|
break;
|
|
|
|
case FROM_DRIVE:
|
|
|
|
ccb->csio.ccb_h.flags |= CAM_DIR_IN;
|
|
|
|
break;
|
|
|
|
case NO_TRANSFER:
|
|
|
|
ccb->csio.ccb_h.flags |= CAM_DIR_NONE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
ccb->csio.cdb_len = c->oplen;
|
|
|
|
memcpy(&ccb->csio.cdb_io.cdb_bytes, &c->opcode, c->oplen);
|
|
|
|
|
|
|
|
memset(&ccb->csio.sense_data, 0, sizeof (ccb->csio.sense_data));
|
|
|
|
|
|
|
|
if (c->page) {
|
|
|
|
ccb->csio.data_ptr = c->page->data;
|
|
|
|
if (c->dir == FROM_DRIVE) {
|
|
|
|
ccb->csio.dxfer_len = BUFFER_SIZE;
|
|
|
|
/* touch page so we can use valgrind */
|
|
|
|
memset(c->page->data, 0, BUFFER_SIZE);
|
|
|
|
} else {
|
|
|
|
assert(c->page->bytes > 0);
|
|
|
|
ccb->csio.dxfer_len = c->page->bytes;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
ccb->csio.data_ptr = NULL;
|
|
|
|
ccb->csio.dxfer_len = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
do {
|
|
|
|
err = cam_send_ccb(d->cam, ccb);
|
2006-10-17 03:09:29 +00:00
|
|
|
if (err == -1) {
|
|
|
|
libdax_msgs_submit(libdax_messenger,
|
|
|
|
d->global_index, 0x0002010c,
|
|
|
|
LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
|
|
|
|
"Failed to transfer command to drive",
|
|
|
|
errno, 0);
|
|
|
|
cam_freeccb(ccb);
|
|
|
|
sg_close_drive(d);
|
|
|
|
d->released = 1;
|
|
|
|
d->busy = BURN_DRIVE_IDLE;
|
|
|
|
c->error = 1;
|
|
|
|
return -1;
|
|
|
|
}
|
2006-10-12 17:38:32 +00:00
|
|
|
/* XXX */
|
|
|
|
memcpy(c->sense, &ccb->csio.sense_data, ccb->csio.sense_len);
|
|
|
|
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
|
|
|
|
if (!c->retry) {
|
|
|
|
c->error = 1;
|
|
|
|
cam_freeccb(ccb);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
switch (scsi_error(d, c->sense, 0)) {
|
|
|
|
case RETRY:
|
|
|
|
done = 0;
|
|
|
|
break;
|
|
|
|
case FAIL:
|
|
|
|
done = 1;
|
|
|
|
c->error = 1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
done = 1;
|
|
|
|
}
|
|
|
|
} while (!done);
|
|
|
|
cam_freeccb(ccb);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
enum response scsi_error(struct burn_drive *d, unsigned char *sense,
|
|
|
|
int senselen)
|
|
|
|
{
|
|
|
|
int key, asc, ascq;
|
|
|
|
|
|
|
|
senselen = senselen;
|
|
|
|
key = sense[2];
|
|
|
|
asc = sense[12];
|
|
|
|
ascq = sense[13];
|
|
|
|
|
|
|
|
burn_print(12, "CONDITION: 0x%x 0x%x 0x%x on %s %s\n",
|
|
|
|
key, asc, ascq, d->idata->vendor, d->idata->product);
|
|
|
|
|
|
|
|
switch (asc) {
|
|
|
|
case 0:
|
|
|
|
burn_print(12, "NO ERROR!\n");
|
|
|
|
return RETRY;
|
|
|
|
|
|
|
|
case 2:
|
|
|
|
burn_print(1, "not ready\n");
|
|
|
|
return RETRY;
|
|
|
|
case 4:
|
|
|
|
burn_print(1,
|
|
|
|
"logical unit is in the process of becoming ready\n");
|
|
|
|
return RETRY;
|
|
|
|
case 0x20:
|
|
|
|
if (key == 5)
|
|
|
|
burn_print(1, "bad opcode\n");
|
|
|
|
return FAIL;
|
|
|
|
case 0x21:
|
|
|
|
burn_print(1, "invalid address or something\n");
|
|
|
|
return FAIL;
|
|
|
|
case 0x24:
|
|
|
|
if (key == 5)
|
|
|
|
burn_print(1, "invalid field in cdb\n");
|
|
|
|
else
|
|
|
|
break;
|
|
|
|
return FAIL;
|
|
|
|
case 0x26:
|
|
|
|
if (key == 5)
|
|
|
|
burn_print( 1, "invalid field in parameter list\n" );
|
|
|
|
return FAIL;
|
|
|
|
case 0x28:
|
|
|
|
if (key == 6)
|
|
|
|
burn_print(1,
|
|
|
|
"Not ready to ready change, medium may have changed\n");
|
|
|
|
else
|
|
|
|
break;
|
|
|
|
return RETRY;
|
|
|
|
case 0x3A:
|
|
|
|
burn_print(12, "Medium not present in %s %s\n",
|
|
|
|
d->idata->vendor, d->idata->product);
|
|
|
|
|
|
|
|
d->status = BURN_DISC_EMPTY;
|
|
|
|
return FAIL;
|
|
|
|
}
|
|
|
|
burn_print(1, "unknown failure\n");
|
|
|
|
burn_print(1, "key:0x%x, asc:0x%x, ascq:0x%x\n", key, asc, ascq);
|
|
|
|
return FAIL;
|
|
|
|
}
|
2006-10-17 03:09:29 +00:00
|
|
|
|