adapters/pmcs/pmcs_subr.c

2561 	 * expander phy).
3427 	 * Step 3- Check if this expander is part of a wide phy that has
3527 	pmcs_prt(pwp, PMCS_PRT_DEBUG_CONFIG, pptr, NULL, "Config expander %s "
3532 	 * Step 5- figure out how many phys are in this expander.
3550 	 * Step 6- Allocate a list of phys for this expander and figure out
3601 	 * Step 8- Discover things about each phy in the expander.
3640 	 * Set the new children pointer for this expander
3703 	 * if we can't communicate with the expander.
3709 	 * Step 2: Figure out how many phys are in this expander. If
3737 		 * Force a rescan of this expander after dead contents
3753 	 * Step 5: Discover things about each phy in this expander.  We do
3761 		    "%s: No children attached to expander @ %s?", __func__,
3847 				 * Force a rescan of this expander after dead
3871 			 * Force a rescan of this expander after dead
3904 			 * Force a rescan of this expander after dead
3914 			 * re-evaluate its contents.  If it's not an expander,
3999  * each expander.  Since we're not doing any configuration right now, it
4011 	 * Check each expander at this level
4064 		 * If the expander is dead, mark its children dead
4076 	 * If this expander is not dead, we're done here.
4115 		 * expander.  Any children of that expander, subsidiaries or
4148  * expander.
4288 			    "%s: expander %s SMP operation failed (%s)",
4295 		 * doesn't assume this expander is dead for good.
4301 			    "%s: expander %s device state non-operational",
4353 		    "%s: expander at phy %s is still configuring",
4374  * Called with expander locked (and thus, pptr) as well as all PHYs up to
4382 pmcs_expander_content_discover(pmcs_hw_t *pwp, pmcs_phy_t *expander,
4399 	if (!expander->iport || !expander->valid_device_id) {
4400 		pmcs_prt(pwp, PMCS_PRT_DEBUG_CONFIG, expander, expander->target,
4401 		    "%s: Can't reach PHY %s", __func__, expander->path);
4405 	pwrk = pmcs_gwork(pwp, PMCS_TAG_TYPE_WAIT, expander);
4411 	pwrk->dtype = expander->dtype;
4412 	pwrk->xp = expander->target;
4416 	msg[2] = LE_32(expander->device_id);
4422 	if (expander->tolerates_sas2) {
4447 	pmcs_hold_iport(expander->iport);
4448 	iport = expander->iport;
4453 	pmcs_unlock_phy(expander);
4458 	pmcs_lock_phy(expander);
4521 			    "%s: expander %s SMP operation failed (%s)",
4632 			if (expander->parent &&
4633 			    memcmp(expander->parent->sas_address,
4635 			    sizeof (expander->parent->sas_address)) == 0) {
4638 				    "expander (%s)", __func__, pptr->path);
4666 		 * If the attached device is a SATA device and the expander
4667 		 * is (possibly) a SAS2 compliant expander, check for whether
4671 		if (expander->tolerates_sas2 && pptr->dtype == SATA &&
4680 		 * Now run up from the expander's parent up to the top to
4683 		for (ctmp = expander->parent; ctmp; ctmp = ctmp->parent) {
5730 			 * represent the same device (e.g. expander).  It could
7250  * 2. If parent is an expander, then parent is locked along with all its
7253  * responsibility of the caller to individually lock expander subsidiary PHYs
7551  * reported back by an expander.