1 // SPDX-License-Identifier: GPL-2.0-only
49 	{ -1,	NULL },
53 	u64		mask;  member
56 	const char	*clear;  member
63 		.mask   = SLB_VSID_B,
66 		.clear  = "ssize: 1T  ",
68 		.mask	= HPTE_V_SECONDARY,
71 		.clear	= "primary  ",
73 		.mask	= HPTE_V_VALID,
76 		.clear	= "invalid",
78 		.mask	= HPTE_V_BOLTED,
81 		.clear	= "",
87 		.mask	= HPTE_R_PP0 | HPTE_R_PP,
89 		.set	= "prot:RW--",
91 		.mask	= HPTE_R_PP0 | HPTE_R_PP,
93 		.set	= "prot:RWR-",
95 		.mask	= HPTE_R_PP0 | HPTE_R_PP,
99 		.mask	= HPTE_R_PP0 | HPTE_R_PP,
101 		.set	= "prot:R-R-",
103 		.mask	= HPTE_R_PP0 | HPTE_R_PP,
105 		.set	= "prot:R---",
107 		.mask	= HPTE_R_KEY_HI | HPTE_R_KEY_LO,
110 		.clear	= "",
113 		.mask	= HPTE_R_R,
116 		.clear	= "   ",
118 		.mask	= HPTE_R_C,
121 		.clear	= "       ",
123 		.mask	= HPTE_R_N,
127 		.mask	= HPTE_R_WIMG,
131 		.mask	= HPTE_R_WIMG,
135 		.mask	= HPTE_R_WIMG,
147 		ps -= 10;  in calculate_pagesize()
150 	seq_printf(st->seq, "  %s_ps: %i%c\t", s, 1<<ps, *unit);  in calculate_pagesize()
164 		if (flag->mask == 0)  in dump_flag_info()
167 		if (flag->is_val) {  in dump_flag_info()
168 			val = pte & flag->val;  in dump_flag_info()
169 			if (flag->shift)  in dump_flag_info()
170 				val = val >> flag->shift;  in dump_flag_info()
171 			seq_printf(st->seq, "  %s:%llx", flag->set, val);  in dump_flag_info()
173 			if ((pte & flag->mask) == flag->val)  in dump_flag_info()
174 				s = flag->set;  in dump_flag_info()
176 				s = flag->clear;  in dump_flag_info()
178 				seq_printf(st->seq, "  %s", s);  in dump_flag_info()
188 	while (ea >= st->marker[1].start_address) {  in dump_hpte_info()
189 		st->marker++;  in dump_hpte_info()
190 		seq_printf(st->seq, "---[ %s ]---\n", st->marker->name);  in dump_hpte_info()
192 	seq_printf(st->seq, "0x%lx:\t", ea);  in dump_hpte_info()
193 	seq_printf(st->seq, "AVPN:%llx\t", HPTE_V_AVPN_VAL(v));  in dump_hpte_info()
195 	seq_printf(st->seq, "  rpn: %lx\t", rpn);  in dump_hpte_info()
201 		seq_printf(st->seq, "LP enc: %lx", lp);  in dump_hpte_info()
202 	seq_putc(st->seq, '\n');  in dump_hpte_info()
226 		hpte_v = be64_to_cpu(hptep->v);  in native_find()
230 			*v = be64_to_cpu(hptep->v);  in native_find()
231 			*r = be64_to_cpu(hptep->r);  in native_find()
236 	return -1;  in native_find()
276 	return -1;  in pseries_find()
283 	unsigned long arpn, mask, lp;  in decode_r()  local
284 	int penc = -2, idx = 0, shift;  in decode_r()
292 	 *  -	find the mmu entry for our base page size  in decode_r()
293 	 *  -	go through all page encodings and use the associated mask to  in decode_r()
302 		if ((penc != -1) && (mmu_psize_defs[idx].shift)) {  in decode_r()
303 			shift = mmu_psize_defs[idx].shift -  HPTE_R_RPN_SHIFT;  in decode_r()
304 			mask = (0x1 << (shift)) - 1;  in decode_r()
305 			if ((lp & mask) == penc) {  in decode_r()
307 				*lp_bits = lp & mask;  in decode_r()
333 		return -1;  in hpte_find()
339 	if (slot == -1)  in hpte_find()
343 	if (slot == -1)  in hpte_find()
344 		return -1;  in hpte_find()
348 	 *  - check that this has the same base page  in hpte_find()
349 	 *  - find the actual page size  in hpte_find()
350 	 *  - find the RPN  in hpte_find()
361 		lp_bits = -1;  in hpte_find()
367 	if (actual_psize == -1)  in hpte_find()
368 		return -1;  in hpte_find()
399 				&& (status != -1)) {  in walk_pte()
401 			seq_printf(st->seq, "page probably bolted before linux"  in walk_pte()
495 		hpte_find(st, ptr->virt_addr, mmu_vmemmap_psize);  in walk_vmemmap()
496 		ptr = ptr->list;  in walk_vmemmap()
498 	seq_puts(st->seq, "---[ vmemmap end ]---\n");  in walk_vmemmap()