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241 char *proc_name;<br />
242<br />
243 /*<br />
244 * Used to store the procfs directory if a driver implements the<br />
245 * proc_info method.<br />
246 */<br />
247 struct proc_dir_entry *proc_dir;<br />
248<br />
249 /*<br />
250 * This determines if we will use a non-interrupt driven<br />
251 * or an interrupt driven scheme, It is set to the maximum number<br />
252 * <strong>of</strong> simultaneous commands a given host adapter will accept.<br />
253 */<br />
254 int can_queue;<br />
255<br />
256 /*<br />
257 * In many instances, especially where disconnect / reconnect are<br />
258 * supported, our host also has an ID on the SCSI bus. If this is<br />
259 * the case, then it must be reserved. Please set this_id to -1 if<br />
260 * your setup is in single initiator mode, and the host lacks an<br />
261 * ID.<br />
262 */<br />
263 int this_id;<br />
264<br />
265 /*<br />
266 * This determines the degree to which the host adapter is capable<br />
267 * <strong>of</strong> scatter-gather.<br />
268 */<br />
269 unsigned short sg_tablesize;<br />
270<br />
271 /*<br />
272 * If the host adapter has limitations beside segment count<br />
273 */<br />
274 unsigned short max_sectors;<br />
275<br />
276 /*<br />
277 * dma scatter gather segment boundary limit. a segment crossing this<br />
278 * boundary will be split in two.<br />
279 */<br />
280 unsigned long dma_boundary;<br />
281<br />
282 /*<br />
283 * This specifies "machine infinity" for host templates which don't<br />
284 * limit the transfer size. Note this limit represents an absolute
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