52 /*--------- ASID Management -------------------------------------------
58  *  asid in use ("x"s below). Set "limit" to this value.
66  *  Each time MAX_ASID is reached, increment the asid generation. Since
69  *  a context, the asid generation of the GTS asid is rechecked. If it
70  *  doesn't match the current generation, a new asid will be assigned.
75  * All asid manipulation & context loading/unloading is protected by the
79 /* Hit the asid limit. Start over */
89 static int gru_reset_asid_limit(struct gru_state *gru, int asid)  in gru_reset_asid_limit()  argument
93 	gru_dbg(grudev, "gid %d, asid 0x%x\n", gru->gs_gid, asid);  in gru_reset_asid_limit()
96 	if (asid >= limit)  in gru_reset_asid_limit()
97 		asid = gru_wrap_asid(gru);  in gru_reset_asid_limit()
108 		if (inuse_asid == asid) {  in gru_reset_asid_limit()
109 			asid += ASID_INC;  in gru_reset_asid_limit()
110 			if (asid >= limit) {  in gru_reset_asid_limit()
116 				if (asid >= MAX_ASID)  in gru_reset_asid_limit()
117 					asid = gru_wrap_asid(gru);  in gru_reset_asid_limit()
122 		if ((inuse_asid > asid) && (inuse_asid < limit))  in gru_reset_asid_limit()
126 	gru->gs_asid = asid;  in gru_reset_asid_limit()
127 	gru_dbg(grudev, "gid %d, new asid 0x%x, new_limit 0x%x\n", gru->gs_gid,  in gru_reset_asid_limit()
128 					asid, limit);  in gru_reset_asid_limit()
129 	return asid;  in gru_reset_asid_limit()
132 /* Assign a new ASID to a thread context.  */
135 	int asid;  in gru_assign_asid()  local
138 	asid = gru->gs_asid;  in gru_assign_asid()
139 	if (asid >= gru->gs_asid_limit)  in gru_assign_asid()
140 		asid = gru_reset_asid_limit(gru, asid);  in gru_assign_asid()
142 	gru_dbg(grudev, "gid %d, asid 0x%x\n", gru->gs_gid, asid);  in gru_assign_asid()
143 	return asid;  in gru_assign_asid()
226 	int asid;  in gru_load_mm_tracker()  local
229 	asid = asids->mt_asid;  in gru_load_mm_tracker()
232 	if (asid == 0 || (asids->mt_ctxbitmap == 0 && asids->mt_asid_gen !=  in gru_load_mm_tracker()
234 		asid = gru_assign_asid(gru);  in gru_load_mm_tracker()
235 		asids->mt_asid = asid;  in gru_load_mm_tracker()
250 		"gid %d, gts %p, gms %p, ctxnum %d, asid 0x%x, asidmap 0x%lx\n",  in gru_load_mm_tracker()
251 		gru->gs_gid, gts, gms, gts->ts_ctxnum, asid,  in gru_load_mm_tracker()
253 	return asid;  in gru_load_mm_tracker()
578 	int i, err, asid, ctxnum = gts->ts_ctxnum;  in gru_load_context()  local
609 		asid = gru_load_mm_tracker(gru, gts);  in gru_load_context()
611 			cch->asid[i] = asid + i;  in gru_load_context()