freebsd-ports/graphics/sane/files/patch-ae

--- sanei/sanei_scsi.c.orig	Sat Aug 12 23:54:15 2000
+++ sanei/sanei_scsi.c	Fri Sep  8 22:38:49 2000
@@ -2424,6 +2424,169 @@
    cam_freeccb(ccb);
    return SANE_STATUS_GOOD;
 }
+
+#define WE_HAVE_FIND_DEVICES
+
+int
+cam_compare_inquiry(int fd, path_id_t path_id,
+		    target_id_t target_id, lun_id_t target_lun,
+		    const char *vendor, const char *product, const char *type)
+{
+  struct ccb_dev_match	cdm;
+  struct device_match_pattern *pattern;
+  struct scsi_inquiry_data *inq;
+  int retval = 0;
+
+  /* build ccb for device match */
+  bzero(&cdm, sizeof(cdm));
+  cdm.ccb_h.func_code = XPT_DEV_MATCH;
+
+  /* result buffer */
+  cdm.match_buf_len = sizeof(struct dev_match_result);
+  cdm.matches = (struct dev_match_result *)malloc(cdm.match_buf_len);
+  cdm.num_matches = 0;
+
+  /* pattern buffer */
+  cdm.num_patterns = 1;
+  cdm.pattern_buf_len = sizeof(struct dev_match_pattern);
+  cdm.patterns = (struct dev_match_pattern *)malloc(cdm.pattern_buf_len);
+
+  /* assemble conditions */
+  cdm.patterns[0].type = DEV_MATCH_DEVICE;
+  pattern = &cdm.patterns[0].pattern.device_pattern;
+  pattern->flags = DEV_MATCH_PATH | DEV_MATCH_TARGET | DEV_MATCH_LUN;
+  pattern->path_id = path_id;
+  pattern->target_id = target_id;
+  pattern->target_lun = target_lun;
+  
+  if (ioctl(fd, CAMIOCOMMAND, &cdm) == -1) {
+    DBG (1, "error sending CAMIOCOMMAND ioctl");
+    retval = -1;
+    goto ret;
+  }
+
+  if ((cdm.ccb_h.status != CAM_REQ_CMP)
+      || ((cdm.status != CAM_DEV_MATCH_LAST)
+	  && (cdm.status != CAM_DEV_MATCH_MORE))) {
+    DBG (1, "got CAM error %#x, CDM error %d\n",
+	 cdm.ccb_h.status, cdm.status);
+    retval = -1;
+    goto ret;
+  }
+
+  if (cdm.num_matches == 0) {
+    DBG (1, "not found\n");
+    retval = -1;
+    goto ret;
+  }
+	    
+  if (cdm.matches[0].type != DEV_MATCH_DEVICE) {
+    DBG (1, "no device match\n");
+    retval = -1;
+    goto ret;
+  }
+
+  inq = &cdm.matches[0].result.device_result.inq_data;
+  if ((vendor && cam_strmatch(inq->vendor, vendor, SID_VENDOR_SIZE)) ||
+      (product && cam_strmatch(inq->product, product, SID_PRODUCT_SIZE)))
+    retval = 1;
+ 
+ ret:
+  free(cdm.patterns);
+  free(cdm.matches);
+  return(retval);
+}
+
+void
+sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
+			 const char *findtype,
+			 int findbus, int findchannel, int findid, int findlun,
+			 SANE_Status (*attach) (const char *dev))
+{
+  int		fd;
+  struct ccb_dev_match	cdm;
+  struct periph_match_pattern *pattern;
+  struct periph_match_result *result;
+  int		i;
+  char devname[16];
+
+  DBG_INIT();
+
+  if ((fd = open(XPT_DEVICE, O_RDWR)) == -1) {
+    DBG (1, "could not open %s\n", XPT_DEVICE);
+    return;
+  }
+
+  /* build ccb for device match */
+  bzero(&cdm, sizeof(cdm));
+  cdm.ccb_h.func_code = XPT_DEV_MATCH;
+
+  /* result buffer */
+  cdm.match_buf_len = sizeof(struct dev_match_result) * 100;
+  cdm.matches = (struct dev_match_result *)malloc(cdm.match_buf_len);
+  cdm.num_matches = 0;
+
+  /* pattern buffer */
+  cdm.num_patterns = 1;
+  cdm.pattern_buf_len = sizeof(struct dev_match_pattern);
+  cdm.patterns = (struct dev_match_pattern *)malloc(cdm.pattern_buf_len);
+
+  /* assemble conditions ... findchannel is ignored */
+  cdm.patterns[0].type = DEV_MATCH_PERIPH;
+  pattern = &cdm.patterns[0].pattern.periph_pattern;
+  pattern->flags = PERIPH_MATCH_NAME;
+  strcpy(pattern->periph_name, "pass");
+  if (findbus != -1) {
+    pattern->path_id = findbus;
+    pattern->flags |= PERIPH_MATCH_PATH;
+  }    
+  if (findid != -1) {
+    pattern->target_id = findid;
+    pattern->flags |= PERIPH_MATCH_TARGET;
+  }
+  if (findlun != -1) {
+    pattern->target_lun = findlun;
+    pattern->flags |= PERIPH_MATCH_LUN;
+  }
+
+  /* result loop */
+  do {
+    if (ioctl(fd, CAMIOCOMMAND, &cdm) == -1) {
+      DBG (1, "error sending CAMIOCOMMAND ioctl");
+      break;
+    }
+
+    if ((cdm.ccb_h.status != CAM_REQ_CMP)
+	|| ((cdm.status != CAM_DEV_MATCH_LAST)
+	    && (cdm.status != CAM_DEV_MATCH_MORE))) {
+      DBG (1, "got CAM error %#x, CDM error %d\n", 
+	   cdm.ccb_h.status, cdm.status);
+      break;
+    }
+    
+    for (i = 0; i < cdm.num_matches; i++) {
+      if (cdm.matches[i].type != DEV_MATCH_PERIPH)
+	continue;
+      result = &cdm.matches[i].result.periph_result;
+      DBG (4, "%s%d on scbus%d %d:%d\n",
+	      result->periph_name, result->unit_number,
+	      result->path_id, result->target_id, result->target_lun);
+      if (cam_compare_inquiry(fd, result->path_id,
+			      result->target_id, result->target_lun,
+			      findvendor, findmodel, findtype) == 0) {
+	sprintf(devname, "/dev/%s%d", result->periph_name, result->unit_number);
+	(*attach) (devname);
+      }
+    }
+  } while ((cdm.ccb_h.status == CAM_REQ_CMP)
+	   && (cdm.status == CAM_DEV_MATCH_MORE));
+
+  free(cdm.patterns);
+  free(cdm.matches);
+  close(fd);
+  return;
+}
+
 #endif
 
 
@@ -3722,6 +3885,7 @@
 			 int findbus, int findchannel, int findid, int findlun,
 			 SANE_Status (*attach) (const char *dev))
 {
+  DBG_INIT();
   DBG (1, "sanei_scsi_find_devices: not implemented for this platform\n");
 }