scsi/targets/st.c

349 /* default density offsets in the table above */
1138 		 * For default devices set the density to the
1139 		 * preferred default density for this device.
1888 	 * all the density codes are the same..
1974 	-1,		0,		UINT8_MAX,	"density code",
1975 	-1,		0,		3,		"default density",
2055 				    "%s density[%d] value too low: value ="
2060 				    "%s density[%d] value too high: value ="
2065 				    "%s density[%d] value = 0x%X\n",
2458 	 * entries by available density support length. If multiple
2467 		    "st_get_conf_from_tape_drive(): fail to report density.\n");
2483 			    "fail to report density.\n");
2512 	 * supports only the four highest densities. Since density code
2514 	 * last entry of density support data block descriptor.
3311 	 * Make sure the density can be selected correctly.
3322 		    "st_tape_init: EIO can't determine density\n");
3329 	 * density so that a later read at BOT comes along
3330 	 * does the right density determination.
3339 	 * will get/set the right density, etc..
4241 	 * determine/set the correct density. We also may have
4534 	 * density device has been opened
4636 	 * density device has been opened
4736  * it determines whether we know the density and if not will
4761 	 * If we don't yet know the density of the tape we have inserted,
4768 	 * the tape density yet, we have to do so now...
4774 			    "density\n");
5839 				    "determine density");
5877 			    "density/wfm failed");
5895 			    "density/wfm failed");
6016 			    "st_do_mtioctop : EIO:MTEOM check density/wfm "
7068 	switch (un->un_mspl->density) {
7072 		 * default density, cannot determine any other
7231 	 * If we're past BOT, density is determined already.
7241 			 * XXX: change density past BOT.
7255 	 * If we're going to be writing, we set the density
7267 	 * If density is known already,
7283  * Try to determine density. We do this by attempting to read the
7284  * first record off the tape, cycling through the available density
7304 	 * only one density and there is no point in attempting
7307 	 * Since most modern drives auto detect the density
7337 	 * Start at the specified density
7345 		 * If we've done this density before,
7353 		    "trying density 0x%x\n", dens);
7389 	    "st_set_density(un = 0x%p): density = 0x%x\n", (void*)un,
7394 	un->un_mspl->density = un->un_dp->densities[un->un_curdens];
7398 		 * If auto density override is not set, Use mode select
7399 		 * to set density and compression.
7406 		 * If auto density and mode select compression are set,
7407 		 * This is a drive with one density code but compression
7409 		 * Set compression but no need to set density.
7419 	/* If sucessful set density and/or compression, mark density known */
7916 	 * special density codes. Return ENOTTY so caller
7928 	 * If this the compression density or
8055 	 * already set since need to set density code
8202 	    "st_modeselect(dev = 0x%lx): density = 0x%x\n",
8203 	    un->un_dev, un->un_mspl->density);
8228 	 * If configured to use a specific density code for a media type.
8243 				 * to exceed the density selected by the open.
8255 			    "found media 0x%X using density 0x%X\n",
8258 			un->un_mspl->density = un->un_dp->densities[best];
8260 			/* Otherwise set density based on minor node opened */
8261 			un->un_mspl->density =
8265 		un->un_mspl->density = un->un_dp->densities[un->un_curdens];
8288 		/* need to set the density code */
11409 			 * the density codes set in the modesense
12370 	const char density[] = { 'l', 'm', 'h', 'c' };
12383 	name[nprt] = density[(minor & MT_DENSITY_MASK) >> 3];
13942 		switch (un->un_mspl->density) {
13962 			    un->un_mspl->density);
15312 		    "st_mtfsf_ioctl: EIO : MTFSF density/wfm failed");
16017 		    "st_ioctl : EIO : MTBSR : can't set density or wfm");