Scsi - Index of

100
285 * maximum, and may be over the transfer limits allowed for
286 * individual devices (e.g. 256 for SCSI-1)
287 */
288 #define SCSI_DEFAULT_MAX_SECTORS 1024
289
290 /*
291 * True if this host adapter can make good use of linked commands.
292 * This will allow more than one command to be queued to a given
293 * unit on a given host. Set this to the maximum number of command
294 * blocks to be provided for each device. Set this to 1 for one
295 * command block per lun, 2 for two, etc. Do not set this to 0.
296 * You should make sure that the host adapter will do the right thing
297 * before you try setting this above 1.
298 */
299 short cmd_per_lun;
300
301 /*
302 * present contains counter indicating how many boards of this
303 * type were found when we did the scan.
304 */
305 unsigned char present;
306
307 /*
308 * true if this host adapter uses unchecked DMA onto an ISA bus.
309 */
310 unsigned unchecked_isa_dma:1;
311
312 /*
313 * true if this host adapter can make good use of clustering.
314 * I originally thought that if the tablesize was large that it
315 * was a waste of CPU cycles to prepare a cluster list, but
316 * it works out that the Buslogic is faster if you use a smaller
317 * number of segments (i.e. use clustering). I guess it is
318 * inefficient.
319 */
320 unsigned use_clustering:1;
321
322 /*
323 * True for emulated SCSI host adapters (e.g. ATAPI)
324 */
325 unsigned emulated:1;
326
327 /*