migration/rdma: Drop superfluous assignments to @ret
[qemu/armbru.git] / hw / arm / smmuv3-internal.h
blob648c2e37a279b0924fe51c50da1166269867ba1f
1 /*
2 * ARM SMMUv3 support - Internal API
4 * Copyright (C) 2014-2016 Broadcom Corporation
5 * Copyright (c) 2017 Red Hat, Inc.
6 * Written by Prem Mallappa, Eric Auger
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, see <http://www.gnu.org/licenses/>.
21 #ifndef HW_ARM_SMMUV3_INTERNAL_H
22 #define HW_ARM_SMMUV3_INTERNAL_H
24 #include "hw/arm/smmu-common.h"
26 typedef enum SMMUTranslationStatus {
27 SMMU_TRANS_DISABLE,
28 SMMU_TRANS_ABORT,
29 SMMU_TRANS_BYPASS,
30 SMMU_TRANS_ERROR,
31 SMMU_TRANS_SUCCESS,
32 } SMMUTranslationStatus;
34 /* MMIO Registers */
36 REG32(IDR0, 0x0)
37 FIELD(IDR0, S2P, 0 , 1)
38 FIELD(IDR0, S1P, 1 , 1)
39 FIELD(IDR0, TTF, 2 , 2)
40 FIELD(IDR0, COHACC, 4 , 1)
41 FIELD(IDR0, ASID16, 12, 1)
42 FIELD(IDR0, VMID16, 18, 1)
43 FIELD(IDR0, TTENDIAN, 21, 2)
44 FIELD(IDR0, STALL_MODEL, 24, 2)
45 FIELD(IDR0, TERM_MODEL, 26, 1)
46 FIELD(IDR0, STLEVEL, 27, 2)
48 REG32(IDR1, 0x4)
49 FIELD(IDR1, SIDSIZE, 0 , 6)
50 FIELD(IDR1, EVENTQS, 16, 5)
51 FIELD(IDR1, CMDQS, 21, 5)
53 #define SMMU_IDR1_SIDSIZE 16
54 #define SMMU_CMDQS 19
55 #define SMMU_EVENTQS 19
57 REG32(IDR2, 0x8)
58 REG32(IDR3, 0xc)
59 FIELD(IDR3, HAD, 2, 1);
60 FIELD(IDR3, RIL, 10, 1);
61 FIELD(IDR3, BBML, 11, 2);
62 REG32(IDR4, 0x10)
63 REG32(IDR5, 0x14)
64 FIELD(IDR5, OAS, 0, 3);
65 FIELD(IDR5, GRAN4K, 4, 1);
66 FIELD(IDR5, GRAN16K, 5, 1);
67 FIELD(IDR5, GRAN64K, 6, 1);
69 #define SMMU_IDR5_OAS 4
71 REG32(IIDR, 0x18)
72 REG32(AIDR, 0x1c)
73 REG32(CR0, 0x20)
74 FIELD(CR0, SMMU_ENABLE, 0, 1)
75 FIELD(CR0, EVENTQEN, 2, 1)
76 FIELD(CR0, CMDQEN, 3, 1)
78 #define SMMU_CR0_RESERVED 0xFFFFFC20
80 REG32(CR0ACK, 0x24)
81 REG32(CR1, 0x28)
82 REG32(CR2, 0x2c)
83 REG32(STATUSR, 0x40)
84 REG32(GBPA, 0x44)
85 FIELD(GBPA, ABORT, 20, 1)
86 FIELD(GBPA, UPDATE, 31, 1)
88 /* Use incoming. */
89 #define SMMU_GBPA_RESET_VAL 0x1000
91 REG32(IRQ_CTRL, 0x50)
92 FIELD(IRQ_CTRL, GERROR_IRQEN, 0, 1)
93 FIELD(IRQ_CTRL, PRI_IRQEN, 1, 1)
94 FIELD(IRQ_CTRL, EVENTQ_IRQEN, 2, 1)
96 REG32(IRQ_CTRL_ACK, 0x54)
97 REG32(GERROR, 0x60)
98 FIELD(GERROR, CMDQ_ERR, 0, 1)
99 FIELD(GERROR, EVENTQ_ABT_ERR, 2, 1)
100 FIELD(GERROR, PRIQ_ABT_ERR, 3, 1)
101 FIELD(GERROR, MSI_CMDQ_ABT_ERR, 4, 1)
102 FIELD(GERROR, MSI_EVENTQ_ABT_ERR, 5, 1)
103 FIELD(GERROR, MSI_PRIQ_ABT_ERR, 6, 1)
104 FIELD(GERROR, MSI_GERROR_ABT_ERR, 7, 1)
105 FIELD(GERROR, MSI_SFM_ERR, 8, 1)
107 REG32(GERRORN, 0x64)
109 #define A_GERROR_IRQ_CFG0 0x68 /* 64b */
110 REG32(GERROR_IRQ_CFG1, 0x70)
111 REG32(GERROR_IRQ_CFG2, 0x74)
113 #define A_STRTAB_BASE 0x80 /* 64b */
115 #define SMMU_BASE_ADDR_MASK 0xfffffffffffc0
117 REG32(STRTAB_BASE_CFG, 0x88)
118 FIELD(STRTAB_BASE_CFG, FMT, 16, 2)
119 FIELD(STRTAB_BASE_CFG, SPLIT, 6 , 5)
120 FIELD(STRTAB_BASE_CFG, LOG2SIZE, 0 , 6)
122 #define A_CMDQ_BASE 0x90 /* 64b */
123 REG32(CMDQ_PROD, 0x98)
124 REG32(CMDQ_CONS, 0x9c)
125 FIELD(CMDQ_CONS, ERR, 24, 7)
127 #define A_EVENTQ_BASE 0xa0 /* 64b */
128 REG32(EVENTQ_PROD, 0xa8)
129 REG32(EVENTQ_CONS, 0xac)
131 #define A_EVENTQ_IRQ_CFG0 0xb0 /* 64b */
132 REG32(EVENTQ_IRQ_CFG1, 0xb8)
133 REG32(EVENTQ_IRQ_CFG2, 0xbc)
135 #define A_IDREGS 0xfd0
137 static inline int smmu_enabled(SMMUv3State *s)
139 return FIELD_EX32(s->cr[0], CR0, SMMU_ENABLE);
142 /* Command Queue Entry */
143 typedef struct Cmd {
144 uint32_t word[4];
145 } Cmd;
147 /* Event Queue Entry */
148 typedef struct Evt {
149 uint32_t word[8];
150 } Evt;
152 static inline uint32_t smmuv3_idreg(int regoffset)
155 * Return the value of the Primecell/Corelink ID registers at the
156 * specified offset from the first ID register.
157 * These value indicate an ARM implementation of MMU600 p1
159 static const uint8_t smmuv3_ids[] = {
160 0x04, 0, 0, 0, 0x84, 0xB4, 0xF0, 0x10, 0x0D, 0xF0, 0x05, 0xB1
162 return smmuv3_ids[regoffset / 4];
165 static inline bool smmuv3_eventq_irq_enabled(SMMUv3State *s)
167 return FIELD_EX32(s->irq_ctrl, IRQ_CTRL, EVENTQ_IRQEN);
170 static inline bool smmuv3_gerror_irq_enabled(SMMUv3State *s)
172 return FIELD_EX32(s->irq_ctrl, IRQ_CTRL, GERROR_IRQEN);
175 /* Queue Handling */
177 #define Q_BASE(q) ((q)->base & SMMU_BASE_ADDR_MASK)
178 #define WRAP_MASK(q) (1 << (q)->log2size)
179 #define INDEX_MASK(q) (((1 << (q)->log2size)) - 1)
180 #define WRAP_INDEX_MASK(q) ((1 << ((q)->log2size + 1)) - 1)
182 #define Q_CONS(q) ((q)->cons & INDEX_MASK(q))
183 #define Q_PROD(q) ((q)->prod & INDEX_MASK(q))
185 #define Q_CONS_ENTRY(q) (Q_BASE(q) + (q)->entry_size * Q_CONS(q))
186 #define Q_PROD_ENTRY(q) (Q_BASE(q) + (q)->entry_size * Q_PROD(q))
188 #define Q_CONS_WRAP(q) (((q)->cons & WRAP_MASK(q)) >> (q)->log2size)
189 #define Q_PROD_WRAP(q) (((q)->prod & WRAP_MASK(q)) >> (q)->log2size)
191 static inline bool smmuv3_q_full(SMMUQueue *q)
193 return ((q->cons ^ q->prod) & WRAP_INDEX_MASK(q)) == WRAP_MASK(q);
196 static inline bool smmuv3_q_empty(SMMUQueue *q)
198 return (q->cons & WRAP_INDEX_MASK(q)) == (q->prod & WRAP_INDEX_MASK(q));
201 static inline void queue_prod_incr(SMMUQueue *q)
203 q->prod = (q->prod + 1) & WRAP_INDEX_MASK(q);
206 static inline void queue_cons_incr(SMMUQueue *q)
209 * We have to use deposit for the CONS registers to preserve
210 * the ERR field in the high bits.
212 q->cons = deposit32(q->cons, 0, q->log2size + 1, q->cons + 1);
215 static inline bool smmuv3_cmdq_enabled(SMMUv3State *s)
217 return FIELD_EX32(s->cr[0], CR0, CMDQEN);
220 static inline bool smmuv3_eventq_enabled(SMMUv3State *s)
222 return FIELD_EX32(s->cr[0], CR0, EVENTQEN);
225 static inline void smmu_write_cmdq_err(SMMUv3State *s, uint32_t err_type)
227 s->cmdq.cons = FIELD_DP32(s->cmdq.cons, CMDQ_CONS, ERR, err_type);
230 /* Commands */
232 typedef enum SMMUCommandType {
233 SMMU_CMD_NONE = 0x00,
234 SMMU_CMD_PREFETCH_CONFIG ,
235 SMMU_CMD_PREFETCH_ADDR,
236 SMMU_CMD_CFGI_STE,
237 SMMU_CMD_CFGI_STE_RANGE,
238 SMMU_CMD_CFGI_CD,
239 SMMU_CMD_CFGI_CD_ALL,
240 SMMU_CMD_CFGI_ALL,
241 SMMU_CMD_TLBI_NH_ALL = 0x10,
242 SMMU_CMD_TLBI_NH_ASID,
243 SMMU_CMD_TLBI_NH_VA,
244 SMMU_CMD_TLBI_NH_VAA,
245 SMMU_CMD_TLBI_EL3_ALL = 0x18,
246 SMMU_CMD_TLBI_EL3_VA = 0x1a,
247 SMMU_CMD_TLBI_EL2_ALL = 0x20,
248 SMMU_CMD_TLBI_EL2_ASID,
249 SMMU_CMD_TLBI_EL2_VA,
250 SMMU_CMD_TLBI_EL2_VAA,
251 SMMU_CMD_TLBI_S12_VMALL = 0x28,
252 SMMU_CMD_TLBI_S2_IPA = 0x2a,
253 SMMU_CMD_TLBI_NSNH_ALL = 0x30,
254 SMMU_CMD_ATC_INV = 0x40,
255 SMMU_CMD_PRI_RESP,
256 SMMU_CMD_RESUME = 0x44,
257 SMMU_CMD_STALL_TERM,
258 SMMU_CMD_SYNC,
259 } SMMUCommandType;
261 static const char *cmd_stringify[] = {
262 [SMMU_CMD_PREFETCH_CONFIG] = "SMMU_CMD_PREFETCH_CONFIG",
263 [SMMU_CMD_PREFETCH_ADDR] = "SMMU_CMD_PREFETCH_ADDR",
264 [SMMU_CMD_CFGI_STE] = "SMMU_CMD_CFGI_STE",
265 [SMMU_CMD_CFGI_STE_RANGE] = "SMMU_CMD_CFGI_STE_RANGE",
266 [SMMU_CMD_CFGI_CD] = "SMMU_CMD_CFGI_CD",
267 [SMMU_CMD_CFGI_CD_ALL] = "SMMU_CMD_CFGI_CD_ALL",
268 [SMMU_CMD_CFGI_ALL] = "SMMU_CMD_CFGI_ALL",
269 [SMMU_CMD_TLBI_NH_ALL] = "SMMU_CMD_TLBI_NH_ALL",
270 [SMMU_CMD_TLBI_NH_ASID] = "SMMU_CMD_TLBI_NH_ASID",
271 [SMMU_CMD_TLBI_NH_VA] = "SMMU_CMD_TLBI_NH_VA",
272 [SMMU_CMD_TLBI_NH_VAA] = "SMMU_CMD_TLBI_NH_VAA",
273 [SMMU_CMD_TLBI_EL3_ALL] = "SMMU_CMD_TLBI_EL3_ALL",
274 [SMMU_CMD_TLBI_EL3_VA] = "SMMU_CMD_TLBI_EL3_VA",
275 [SMMU_CMD_TLBI_EL2_ALL] = "SMMU_CMD_TLBI_EL2_ALL",
276 [SMMU_CMD_TLBI_EL2_ASID] = "SMMU_CMD_TLBI_EL2_ASID",
277 [SMMU_CMD_TLBI_EL2_VA] = "SMMU_CMD_TLBI_EL2_VA",
278 [SMMU_CMD_TLBI_EL2_VAA] = "SMMU_CMD_TLBI_EL2_VAA",
279 [SMMU_CMD_TLBI_S12_VMALL] = "SMMU_CMD_TLBI_S12_VMALL",
280 [SMMU_CMD_TLBI_S2_IPA] = "SMMU_CMD_TLBI_S2_IPA",
281 [SMMU_CMD_TLBI_NSNH_ALL] = "SMMU_CMD_TLBI_NSNH_ALL",
282 [SMMU_CMD_ATC_INV] = "SMMU_CMD_ATC_INV",
283 [SMMU_CMD_PRI_RESP] = "SMMU_CMD_PRI_RESP",
284 [SMMU_CMD_RESUME] = "SMMU_CMD_RESUME",
285 [SMMU_CMD_STALL_TERM] = "SMMU_CMD_STALL_TERM",
286 [SMMU_CMD_SYNC] = "SMMU_CMD_SYNC",
289 static inline const char *smmu_cmd_string(SMMUCommandType type)
291 if (type > SMMU_CMD_NONE && type < ARRAY_SIZE(cmd_stringify)) {
292 return cmd_stringify[type] ? cmd_stringify[type] : "UNKNOWN";
293 } else {
294 return "INVALID";
298 /* CMDQ fields */
300 typedef enum {
301 SMMU_CERROR_NONE = 0,
302 SMMU_CERROR_ILL,
303 SMMU_CERROR_ABT,
304 SMMU_CERROR_ATC_INV_SYNC,
305 } SMMUCmdError;
307 enum { /* Command completion notification */
308 CMD_SYNC_SIG_NONE,
309 CMD_SYNC_SIG_IRQ,
310 CMD_SYNC_SIG_SEV,
313 #define CMD_TYPE(x) extract32((x)->word[0], 0 , 8)
314 #define CMD_NUM(x) extract32((x)->word[0], 12 , 5)
315 #define CMD_SCALE(x) extract32((x)->word[0], 20 , 5)
316 #define CMD_SSEC(x) extract32((x)->word[0], 10, 1)
317 #define CMD_SSV(x) extract32((x)->word[0], 11, 1)
318 #define CMD_RESUME_AC(x) extract32((x)->word[0], 12, 1)
319 #define CMD_RESUME_AB(x) extract32((x)->word[0], 13, 1)
320 #define CMD_SYNC_CS(x) extract32((x)->word[0], 12, 2)
321 #define CMD_SSID(x) extract32((x)->word[0], 12, 20)
322 #define CMD_SID(x) ((x)->word[1])
323 #define CMD_VMID(x) extract32((x)->word[1], 0 , 16)
324 #define CMD_ASID(x) extract32((x)->word[1], 16, 16)
325 #define CMD_RESUME_STAG(x) extract32((x)->word[2], 0 , 16)
326 #define CMD_RESP(x) extract32((x)->word[2], 11, 2)
327 #define CMD_LEAF(x) extract32((x)->word[2], 0 , 1)
328 #define CMD_TTL(x) extract32((x)->word[2], 8 , 2)
329 #define CMD_TG(x) extract32((x)->word[2], 10, 2)
330 #define CMD_STE_RANGE(x) extract32((x)->word[2], 0 , 5)
331 #define CMD_ADDR(x) \
332 (((uint64_t)((x)->word[3]) << 32) | \
333 ((extract64((x)->word[2], 12, 20)) << 12))
335 #define SMMU_FEATURE_2LVL_STE (1 << 0)
337 /* Events */
339 typedef enum SMMUEventType {
340 SMMU_EVT_NONE = 0x00,
341 SMMU_EVT_F_UUT ,
342 SMMU_EVT_C_BAD_STREAMID ,
343 SMMU_EVT_F_STE_FETCH ,
344 SMMU_EVT_C_BAD_STE ,
345 SMMU_EVT_F_BAD_ATS_TREQ ,
346 SMMU_EVT_F_STREAM_DISABLED ,
347 SMMU_EVT_F_TRANS_FORBIDDEN ,
348 SMMU_EVT_C_BAD_SUBSTREAMID ,
349 SMMU_EVT_F_CD_FETCH ,
350 SMMU_EVT_C_BAD_CD ,
351 SMMU_EVT_F_WALK_EABT ,
352 SMMU_EVT_F_TRANSLATION = 0x10,
353 SMMU_EVT_F_ADDR_SIZE ,
354 SMMU_EVT_F_ACCESS ,
355 SMMU_EVT_F_PERMISSION ,
356 SMMU_EVT_F_TLB_CONFLICT = 0x20,
357 SMMU_EVT_F_CFG_CONFLICT ,
358 SMMU_EVT_E_PAGE_REQ = 0x24,
359 } SMMUEventType;
361 static const char *event_stringify[] = {
362 [SMMU_EVT_NONE] = "no recorded event",
363 [SMMU_EVT_F_UUT] = "SMMU_EVT_F_UUT",
364 [SMMU_EVT_C_BAD_STREAMID] = "SMMU_EVT_C_BAD_STREAMID",
365 [SMMU_EVT_F_STE_FETCH] = "SMMU_EVT_F_STE_FETCH",
366 [SMMU_EVT_C_BAD_STE] = "SMMU_EVT_C_BAD_STE",
367 [SMMU_EVT_F_BAD_ATS_TREQ] = "SMMU_EVT_F_BAD_ATS_TREQ",
368 [SMMU_EVT_F_STREAM_DISABLED] = "SMMU_EVT_F_STREAM_DISABLED",
369 [SMMU_EVT_F_TRANS_FORBIDDEN] = "SMMU_EVT_F_TRANS_FORBIDDEN",
370 [SMMU_EVT_C_BAD_SUBSTREAMID] = "SMMU_EVT_C_BAD_SUBSTREAMID",
371 [SMMU_EVT_F_CD_FETCH] = "SMMU_EVT_F_CD_FETCH",
372 [SMMU_EVT_C_BAD_CD] = "SMMU_EVT_C_BAD_CD",
373 [SMMU_EVT_F_WALK_EABT] = "SMMU_EVT_F_WALK_EABT",
374 [SMMU_EVT_F_TRANSLATION] = "SMMU_EVT_F_TRANSLATION",
375 [SMMU_EVT_F_ADDR_SIZE] = "SMMU_EVT_F_ADDR_SIZE",
376 [SMMU_EVT_F_ACCESS] = "SMMU_EVT_F_ACCESS",
377 [SMMU_EVT_F_PERMISSION] = "SMMU_EVT_F_PERMISSION",
378 [SMMU_EVT_F_TLB_CONFLICT] = "SMMU_EVT_F_TLB_CONFLICT",
379 [SMMU_EVT_F_CFG_CONFLICT] = "SMMU_EVT_F_CFG_CONFLICT",
380 [SMMU_EVT_E_PAGE_REQ] = "SMMU_EVT_E_PAGE_REQ",
383 static inline const char *smmu_event_string(SMMUEventType type)
385 if (type < ARRAY_SIZE(event_stringify)) {
386 return event_stringify[type] ? event_stringify[type] : "UNKNOWN";
387 } else {
388 return "INVALID";
392 /* Encode an event record */
393 typedef struct SMMUEventInfo {
394 SMMUEventType type;
395 uint32_t sid;
396 bool recorded;
397 bool inval_ste_allowed;
398 union {
399 struct {
400 uint32_t ssid;
401 bool ssv;
402 dma_addr_t addr;
403 bool rnw;
404 bool pnu;
405 bool ind;
406 } f_uut;
407 struct SSIDInfo {
408 uint32_t ssid;
409 bool ssv;
410 } c_bad_streamid;
411 struct SSIDAddrInfo {
412 uint32_t ssid;
413 bool ssv;
414 dma_addr_t addr;
415 } f_ste_fetch;
416 struct SSIDInfo c_bad_ste;
417 struct {
418 dma_addr_t addr;
419 bool rnw;
420 } f_transl_forbidden;
421 struct {
422 uint32_t ssid;
423 } c_bad_substream;
424 struct SSIDAddrInfo f_cd_fetch;
425 struct SSIDInfo c_bad_cd;
426 struct FullInfo {
427 bool stall;
428 uint16_t stag;
429 uint32_t ssid;
430 bool ssv;
431 bool s2;
432 dma_addr_t addr;
433 bool rnw;
434 bool pnu;
435 bool ind;
436 uint8_t class;
437 dma_addr_t addr2;
438 } f_walk_eabt;
439 struct FullInfo f_translation;
440 struct FullInfo f_addr_size;
441 struct FullInfo f_access;
442 struct FullInfo f_permission;
443 struct SSIDInfo f_cfg_conflict;
445 * not supported yet:
446 * F_BAD_ATS_TREQ
447 * F_BAD_ATS_TREQ
448 * F_TLB_CONFLICT
449 * E_PAGE_REQUEST
450 * IMPDEF_EVENTn
452 } u;
453 } SMMUEventInfo;
455 /* EVTQ fields */
457 #define EVT_Q_OVERFLOW (1 << 31)
459 #define EVT_SET_TYPE(x, v) ((x)->word[0] = deposit32((x)->word[0], 0 , 8 , v))
460 #define EVT_SET_SSV(x, v) ((x)->word[0] = deposit32((x)->word[0], 11, 1 , v))
461 #define EVT_SET_SSID(x, v) ((x)->word[0] = deposit32((x)->word[0], 12, 20, v))
462 #define EVT_SET_SID(x, v) ((x)->word[1] = v)
463 #define EVT_SET_STAG(x, v) ((x)->word[2] = deposit32((x)->word[2], 0 , 16, v))
464 #define EVT_SET_STALL(x, v) ((x)->word[2] = deposit32((x)->word[2], 31, 1 , v))
465 #define EVT_SET_PNU(x, v) ((x)->word[3] = deposit32((x)->word[3], 1 , 1 , v))
466 #define EVT_SET_IND(x, v) ((x)->word[3] = deposit32((x)->word[3], 2 , 1 , v))
467 #define EVT_SET_RNW(x, v) ((x)->word[3] = deposit32((x)->word[3], 3 , 1 , v))
468 #define EVT_SET_S2(x, v) ((x)->word[3] = deposit32((x)->word[3], 7 , 1 , v))
469 #define EVT_SET_CLASS(x, v) ((x)->word[3] = deposit32((x)->word[3], 8 , 2 , v))
470 #define EVT_SET_ADDR(x, addr) \
471 do { \
472 (x)->word[5] = (uint32_t)(addr >> 32); \
473 (x)->word[4] = (uint32_t)(addr & 0xffffffff); \
474 } while (0)
475 #define EVT_SET_ADDR2(x, addr) \
476 do { \
477 (x)->word[7] = (uint32_t)(addr >> 32); \
478 (x)->word[6] = (uint32_t)(addr & 0xffffffff); \
479 } while (0)
481 void smmuv3_record_event(SMMUv3State *s, SMMUEventInfo *event);
483 /* Configuration Data */
485 /* STE Level 1 Descriptor */
486 typedef struct STEDesc {
487 uint32_t word[2];
488 } STEDesc;
490 /* CD Level 1 Descriptor */
491 typedef struct CDDesc {
492 uint32_t word[2];
493 } CDDesc;
495 /* Stream Table Entry(STE) */
496 typedef struct STE {
497 uint32_t word[16];
498 } STE;
500 /* Context Descriptor(CD) */
501 typedef struct CD {
502 uint32_t word[16];
503 } CD;
505 /* STE fields */
507 #define STE_VALID(x) extract32((x)->word[0], 0, 1)
509 #define STE_CONFIG(x) extract32((x)->word[0], 1, 3)
510 #define STE_CFG_S1_ENABLED(config) (config & 0x1)
511 #define STE_CFG_S2_ENABLED(config) (config & 0x2)
512 #define STE_CFG_ABORT(config) (!(config & 0x4))
513 #define STE_CFG_BYPASS(config) (config == 0x4)
515 #define STE_S1FMT(x) extract32((x)->word[0], 4 , 2)
516 #define STE_S1CDMAX(x) extract32((x)->word[1], 27, 5)
517 #define STE_S1STALLD(x) extract32((x)->word[2], 27, 1)
518 #define STE_EATS(x) extract32((x)->word[2], 28, 2)
519 #define STE_STRW(x) extract32((x)->word[2], 30, 2)
520 #define STE_S2VMID(x) extract32((x)->word[4], 0 , 16)
521 #define STE_S2T0SZ(x) extract32((x)->word[5], 0 , 6)
522 #define STE_S2SL0(x) extract32((x)->word[5], 6 , 2)
523 #define STE_S2TG(x) extract32((x)->word[5], 14, 2)
524 #define STE_S2PS(x) extract32((x)->word[5], 16, 3)
525 #define STE_S2AA64(x) extract32((x)->word[5], 19, 1)
526 #define STE_S2ENDI(x) extract32((x)->word[5], 20, 1)
527 #define STE_S2AFFD(x) extract32((x)->word[5], 21, 1)
528 #define STE_S2HD(x) extract32((x)->word[5], 23, 1)
529 #define STE_S2HA(x) extract32((x)->word[5], 24, 1)
530 #define STE_S2S(x) extract32((x)->word[5], 25, 1)
531 #define STE_S2R(x) extract32((x)->word[5], 26, 1)
533 #define STE_CTXPTR(x) \
534 ((extract64((x)->word[1], 0, 16) << 32) | \
535 ((x)->word[0] & 0xffffffc0))
537 #define STE_S2TTB(x) \
538 ((extract64((x)->word[7], 0, 16) << 32) | \
539 ((x)->word[6] & 0xfffffff0))
541 static inline int oas2bits(int oas_field)
543 switch (oas_field) {
544 case 0:
545 return 32;
546 case 1:
547 return 36;
548 case 2:
549 return 40;
550 case 3:
551 return 42;
552 case 4:
553 return 44;
554 case 5:
555 return 48;
557 return -1;
560 static inline int pa_range(STE *ste)
562 int oas_field = MIN(STE_S2PS(ste), SMMU_IDR5_OAS);
564 if (!STE_S2AA64(ste)) {
565 return 40;
568 return oas2bits(oas_field);
571 #define MAX_PA(ste) ((1 << pa_range(ste)) - 1)
573 /* CD fields */
575 #define CD_VALID(x) extract32((x)->word[0], 31, 1)
576 #define CD_ASID(x) extract32((x)->word[1], 16, 16)
577 #define CD_TTB(x, sel) \
578 ((extract64((x)->word[(sel) * 2 + 3], 0, 19) << 32) | \
579 ((x)->word[(sel) * 2 + 2] & ~0xfULL))
581 #define CD_HAD(x, sel) extract32((x)->word[(sel) * 2 + 2], 1, 1)
583 #define CD_TSZ(x, sel) extract32((x)->word[0], (16 * (sel)) + 0, 6)
584 #define CD_TG(x, sel) extract32((x)->word[0], (16 * (sel)) + 6, 2)
585 #define CD_EPD(x, sel) extract32((x)->word[0], (16 * (sel)) + 14, 1)
586 #define CD_ENDI(x) extract32((x)->word[0], 15, 1)
587 #define CD_IPS(x) extract32((x)->word[1], 0 , 3)
588 #define CD_TBI(x) extract32((x)->word[1], 6 , 2)
589 #define CD_HD(x) extract32((x)->word[1], 10 , 1)
590 #define CD_HA(x) extract32((x)->word[1], 11 , 1)
591 #define CD_S(x) extract32((x)->word[1], 12, 1)
592 #define CD_R(x) extract32((x)->word[1], 13, 1)
593 #define CD_A(x) extract32((x)->word[1], 14, 1)
594 #define CD_AARCH64(x) extract32((x)->word[1], 9 , 1)
597 * tg2granule - Decodes the CD translation granule size field according
598 * to the ttbr in use
599 * @bits: TG0/1 fields
600 * @ttbr: ttbr index in use
602 static inline int tg2granule(int bits, int ttbr)
604 switch (bits) {
605 case 0:
606 return ttbr ? 0 : 12;
607 case 1:
608 return ttbr ? 14 : 16;
609 case 2:
610 return ttbr ? 12 : 14;
611 case 3:
612 return ttbr ? 16 : 0;
613 default:
614 return 0;
618 static inline uint64_t l1std_l2ptr(STEDesc *desc)
620 uint64_t hi, lo;
622 hi = desc->word[1];
623 lo = desc->word[0] & ~0x1fULL;
624 return hi << 32 | lo;
627 #define L1STD_SPAN(stm) (extract32((stm)->word[0], 0, 5))
629 #endif