2 * Copyright (C) 2014-2016 Broadcom Corporation
3 * Copyright (c) 2017 Red Hat, Inc.
4 * Written by Prem Mallappa, Eric Auger
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, see <http://www.gnu.org/licenses/>.
19 #include "qemu/osdep.h"
20 #include "qemu/bitops.h"
22 #include "hw/sysbus.h"
23 #include "migration/vmstate.h"
24 #include "hw/qdev-core.h"
25 #include "hw/pci/pci.h"
26 #include "exec/address-spaces.h"
30 #include "qemu/error-report.h"
31 #include "qapi/error.h"
33 #include "hw/arm/smmuv3.h"
34 #include "smmuv3-internal.h"
37 * smmuv3_trigger_irq - pulse @irq if enabled and update
38 * GERROR register in case of GERROR interrupt
41 * @gerror_mask: mask of gerrors to toggle (relevant if @irq is GERROR)
43 static void smmuv3_trigger_irq(SMMUv3State
*s
, SMMUIrq irq
,
51 pulse
= smmuv3_eventq_irq_enabled(s
);
54 qemu_log_mask(LOG_UNIMP
, "PRI not yet supported\n");
56 case SMMU_IRQ_CMD_SYNC
:
61 uint32_t pending
= s
->gerror
^ s
->gerrorn
;
62 uint32_t new_gerrors
= ~pending
& gerror_mask
;
65 /* only toggle non pending errors */
68 s
->gerror
^= new_gerrors
;
69 trace_smmuv3_write_gerror(new_gerrors
, s
->gerror
);
71 pulse
= smmuv3_gerror_irq_enabled(s
);
76 trace_smmuv3_trigger_irq(irq
);
77 qemu_irq_pulse(s
->irq
[irq
]);
81 static void smmuv3_write_gerrorn(SMMUv3State
*s
, uint32_t new_gerrorn
)
83 uint32_t pending
= s
->gerror
^ s
->gerrorn
;
84 uint32_t toggled
= s
->gerrorn
^ new_gerrorn
;
86 if (toggled
& ~pending
) {
87 qemu_log_mask(LOG_GUEST_ERROR
,
88 "guest toggles non pending errors = 0x%x\n",
93 * We do not raise any error in case guest toggles bits corresponding
94 * to not active IRQs (CONSTRAINED UNPREDICTABLE)
96 s
->gerrorn
= new_gerrorn
;
98 trace_smmuv3_write_gerrorn(toggled
& pending
, s
->gerrorn
);
101 static inline MemTxResult
queue_read(SMMUQueue
*q
, void *data
)
103 dma_addr_t addr
= Q_CONS_ENTRY(q
);
105 return dma_memory_read(&address_space_memory
, addr
, data
, q
->entry_size
);
108 static MemTxResult
queue_write(SMMUQueue
*q
, void *data
)
110 dma_addr_t addr
= Q_PROD_ENTRY(q
);
113 ret
= dma_memory_write(&address_space_memory
, addr
, data
, q
->entry_size
);
114 if (ret
!= MEMTX_OK
) {
122 static MemTxResult
smmuv3_write_eventq(SMMUv3State
*s
, Evt
*evt
)
124 SMMUQueue
*q
= &s
->eventq
;
127 if (!smmuv3_eventq_enabled(s
)) {
131 if (smmuv3_q_full(q
)) {
135 r
= queue_write(q
, evt
);
140 if (!smmuv3_q_empty(q
)) {
141 smmuv3_trigger_irq(s
, SMMU_IRQ_EVTQ
, 0);
146 void smmuv3_record_event(SMMUv3State
*s
, SMMUEventInfo
*info
)
151 if (!smmuv3_eventq_enabled(s
)) {
155 EVT_SET_TYPE(&evt
, info
->type
);
156 EVT_SET_SID(&evt
, info
->sid
);
158 switch (info
->type
) {
162 EVT_SET_SSID(&evt
, info
->u
.f_uut
.ssid
);
163 EVT_SET_SSV(&evt
, info
->u
.f_uut
.ssv
);
164 EVT_SET_ADDR(&evt
, info
->u
.f_uut
.addr
);
165 EVT_SET_RNW(&evt
, info
->u
.f_uut
.rnw
);
166 EVT_SET_PNU(&evt
, info
->u
.f_uut
.pnu
);
167 EVT_SET_IND(&evt
, info
->u
.f_uut
.ind
);
169 case SMMU_EVT_C_BAD_STREAMID
:
170 EVT_SET_SSID(&evt
, info
->u
.c_bad_streamid
.ssid
);
171 EVT_SET_SSV(&evt
, info
->u
.c_bad_streamid
.ssv
);
173 case SMMU_EVT_F_STE_FETCH
:
174 EVT_SET_SSID(&evt
, info
->u
.f_ste_fetch
.ssid
);
175 EVT_SET_SSV(&evt
, info
->u
.f_ste_fetch
.ssv
);
176 EVT_SET_ADDR2(&evt
, info
->u
.f_ste_fetch
.addr
);
178 case SMMU_EVT_C_BAD_STE
:
179 EVT_SET_SSID(&evt
, info
->u
.c_bad_ste
.ssid
);
180 EVT_SET_SSV(&evt
, info
->u
.c_bad_ste
.ssv
);
182 case SMMU_EVT_F_STREAM_DISABLED
:
184 case SMMU_EVT_F_TRANS_FORBIDDEN
:
185 EVT_SET_ADDR(&evt
, info
->u
.f_transl_forbidden
.addr
);
186 EVT_SET_RNW(&evt
, info
->u
.f_transl_forbidden
.rnw
);
188 case SMMU_EVT_C_BAD_SUBSTREAMID
:
189 EVT_SET_SSID(&evt
, info
->u
.c_bad_substream
.ssid
);
191 case SMMU_EVT_F_CD_FETCH
:
192 EVT_SET_SSID(&evt
, info
->u
.f_cd_fetch
.ssid
);
193 EVT_SET_SSV(&evt
, info
->u
.f_cd_fetch
.ssv
);
194 EVT_SET_ADDR(&evt
, info
->u
.f_cd_fetch
.addr
);
196 case SMMU_EVT_C_BAD_CD
:
197 EVT_SET_SSID(&evt
, info
->u
.c_bad_cd
.ssid
);
198 EVT_SET_SSV(&evt
, info
->u
.c_bad_cd
.ssv
);
200 case SMMU_EVT_F_WALK_EABT
:
201 case SMMU_EVT_F_TRANSLATION
:
202 case SMMU_EVT_F_ADDR_SIZE
:
203 case SMMU_EVT_F_ACCESS
:
204 case SMMU_EVT_F_PERMISSION
:
205 EVT_SET_STALL(&evt
, info
->u
.f_walk_eabt
.stall
);
206 EVT_SET_STAG(&evt
, info
->u
.f_walk_eabt
.stag
);
207 EVT_SET_SSID(&evt
, info
->u
.f_walk_eabt
.ssid
);
208 EVT_SET_SSV(&evt
, info
->u
.f_walk_eabt
.ssv
);
209 EVT_SET_S2(&evt
, info
->u
.f_walk_eabt
.s2
);
210 EVT_SET_ADDR(&evt
, info
->u
.f_walk_eabt
.addr
);
211 EVT_SET_RNW(&evt
, info
->u
.f_walk_eabt
.rnw
);
212 EVT_SET_PNU(&evt
, info
->u
.f_walk_eabt
.pnu
);
213 EVT_SET_IND(&evt
, info
->u
.f_walk_eabt
.ind
);
214 EVT_SET_CLASS(&evt
, info
->u
.f_walk_eabt
.class);
215 EVT_SET_ADDR2(&evt
, info
->u
.f_walk_eabt
.addr2
);
217 case SMMU_EVT_F_CFG_CONFLICT
:
218 EVT_SET_SSID(&evt
, info
->u
.f_cfg_conflict
.ssid
);
219 EVT_SET_SSV(&evt
, info
->u
.f_cfg_conflict
.ssv
);
221 /* rest is not implemented */
222 case SMMU_EVT_F_BAD_ATS_TREQ
:
223 case SMMU_EVT_F_TLB_CONFLICT
:
224 case SMMU_EVT_E_PAGE_REQ
:
226 g_assert_not_reached();
229 trace_smmuv3_record_event(smmu_event_string(info
->type
), info
->sid
);
230 r
= smmuv3_write_eventq(s
, &evt
);
232 smmuv3_trigger_irq(s
, SMMU_IRQ_GERROR
, R_GERROR_EVENTQ_ABT_ERR_MASK
);
234 info
->recorded
= true;
237 static void smmuv3_init_regs(SMMUv3State
*s
)
240 * IDR0: stage1 only, AArch64 only, coherent access, 16b ASID,
241 * multi-level stream table
243 s
->idr
[0] = FIELD_DP32(s
->idr
[0], IDR0
, S1P
, 1); /* stage 1 supported */
244 s
->idr
[0] = FIELD_DP32(s
->idr
[0], IDR0
, TTF
, 2); /* AArch64 PTW only */
245 s
->idr
[0] = FIELD_DP32(s
->idr
[0], IDR0
, COHACC
, 1); /* IO coherent */
246 s
->idr
[0] = FIELD_DP32(s
->idr
[0], IDR0
, ASID16
, 1); /* 16-bit ASID */
247 s
->idr
[0] = FIELD_DP32(s
->idr
[0], IDR0
, TTENDIAN
, 2); /* little endian */
248 s
->idr
[0] = FIELD_DP32(s
->idr
[0], IDR0
, STALL_MODEL
, 1); /* No stall */
249 /* terminated transaction will always be aborted/error returned */
250 s
->idr
[0] = FIELD_DP32(s
->idr
[0], IDR0
, TERM_MODEL
, 1);
251 /* 2-level stream table supported */
252 s
->idr
[0] = FIELD_DP32(s
->idr
[0], IDR0
, STLEVEL
, 1);
254 s
->idr
[1] = FIELD_DP32(s
->idr
[1], IDR1
, SIDSIZE
, SMMU_IDR1_SIDSIZE
);
255 s
->idr
[1] = FIELD_DP32(s
->idr
[1], IDR1
, EVENTQS
, SMMU_EVENTQS
);
256 s
->idr
[1] = FIELD_DP32(s
->idr
[1], IDR1
, CMDQS
, SMMU_CMDQS
);
258 s
->idr
[3] = FIELD_DP32(s
->idr
[3], IDR3
, RIL
, 1);
259 s
->idr
[3] = FIELD_DP32(s
->idr
[3], IDR3
, HAD
, 1);
261 /* 4K and 64K granule support */
262 s
->idr
[5] = FIELD_DP32(s
->idr
[5], IDR5
, GRAN4K
, 1);
263 s
->idr
[5] = FIELD_DP32(s
->idr
[5], IDR5
, GRAN64K
, 1);
264 s
->idr
[5] = FIELD_DP32(s
->idr
[5], IDR5
, OAS
, SMMU_IDR5_OAS
); /* 44 bits */
266 s
->cmdq
.base
= deposit64(s
->cmdq
.base
, 0, 5, SMMU_CMDQS
);
269 s
->cmdq
.entry_size
= sizeof(struct Cmd
);
270 s
->eventq
.base
= deposit64(s
->eventq
.base
, 0, 5, SMMU_EVENTQS
);
273 s
->eventq
.entry_size
= sizeof(struct Evt
);
280 static int smmu_get_ste(SMMUv3State
*s
, dma_addr_t addr
, STE
*buf
,
281 SMMUEventInfo
*event
)
285 trace_smmuv3_get_ste(addr
);
286 /* TODO: guarantee 64-bit single-copy atomicity */
287 ret
= dma_memory_read(&address_space_memory
, addr
, buf
, sizeof(*buf
));
288 if (ret
!= MEMTX_OK
) {
289 qemu_log_mask(LOG_GUEST_ERROR
,
290 "Cannot fetch pte at address=0x%"PRIx64
"\n", addr
);
291 event
->type
= SMMU_EVT_F_STE_FETCH
;
292 event
->u
.f_ste_fetch
.addr
= addr
;
299 /* @ssid > 0 not supported yet */
300 static int smmu_get_cd(SMMUv3State
*s
, STE
*ste
, uint32_t ssid
,
301 CD
*buf
, SMMUEventInfo
*event
)
303 dma_addr_t addr
= STE_CTXPTR(ste
);
306 trace_smmuv3_get_cd(addr
);
307 /* TODO: guarantee 64-bit single-copy atomicity */
308 ret
= dma_memory_read(&address_space_memory
, addr
, buf
, sizeof(*buf
));
309 if (ret
!= MEMTX_OK
) {
310 qemu_log_mask(LOG_GUEST_ERROR
,
311 "Cannot fetch pte at address=0x%"PRIx64
"\n", addr
);
312 event
->type
= SMMU_EVT_F_CD_FETCH
;
313 event
->u
.f_ste_fetch
.addr
= addr
;
319 /* Returns < 0 in case of invalid STE, 0 otherwise */
320 static int decode_ste(SMMUv3State
*s
, SMMUTransCfg
*cfg
,
321 STE
*ste
, SMMUEventInfo
*event
)
325 if (!STE_VALID(ste
)) {
326 if (!event
->inval_ste_allowed
) {
327 qemu_log_mask(LOG_GUEST_ERROR
, "invalid STE\n");
332 config
= STE_CONFIG(ste
);
334 if (STE_CFG_ABORT(config
)) {
339 if (STE_CFG_BYPASS(config
)) {
340 cfg
->bypassed
= true;
344 if (STE_CFG_S2_ENABLED(config
)) {
345 qemu_log_mask(LOG_UNIMP
, "SMMUv3 does not support stage 2 yet\n");
349 if (STE_S1CDMAX(ste
) != 0) {
350 qemu_log_mask(LOG_UNIMP
,
351 "SMMUv3 does not support multiple context descriptors yet\n");
355 if (STE_S1STALLD(ste
)) {
356 qemu_log_mask(LOG_UNIMP
,
357 "SMMUv3 S1 stalling fault model not allowed yet\n");
363 event
->type
= SMMU_EVT_C_BAD_STE
;
368 * smmu_find_ste - Return the stream table entry associated
373 * @ste: returned stream table entry
374 * @event: handle to an event info
376 * Supports linear and 2-level stream table
377 * Return 0 on success, -EINVAL otherwise
379 static int smmu_find_ste(SMMUv3State
*s
, uint32_t sid
, STE
*ste
,
380 SMMUEventInfo
*event
)
382 dma_addr_t addr
, strtab_base
;
384 int strtab_size_shift
;
387 trace_smmuv3_find_ste(sid
, s
->features
, s
->sid_split
);
388 log2size
= FIELD_EX32(s
->strtab_base_cfg
, STRTAB_BASE_CFG
, LOG2SIZE
);
390 * Check SID range against both guest-configured and implementation limits
392 if (sid
>= (1 << MIN(log2size
, SMMU_IDR1_SIDSIZE
))) {
393 event
->type
= SMMU_EVT_C_BAD_STREAMID
;
396 if (s
->features
& SMMU_FEATURE_2LVL_STE
) {
397 int l1_ste_offset
, l2_ste_offset
, max_l2_ste
, span
;
398 dma_addr_t l1ptr
, l2ptr
;
402 * Align strtab base address to table size. For this purpose, assume it
403 * is not bounded by SMMU_IDR1_SIDSIZE.
405 strtab_size_shift
= MAX(5, (int)log2size
- s
->sid_split
- 1 + 3);
406 strtab_base
= s
->strtab_base
& SMMU_BASE_ADDR_MASK
&
407 ~MAKE_64BIT_MASK(0, strtab_size_shift
);
408 l1_ste_offset
= sid
>> s
->sid_split
;
409 l2_ste_offset
= sid
& ((1 << s
->sid_split
) - 1);
410 l1ptr
= (dma_addr_t
)(strtab_base
+ l1_ste_offset
* sizeof(l1std
));
411 /* TODO: guarantee 64-bit single-copy atomicity */
412 ret
= dma_memory_read(&address_space_memory
, l1ptr
, &l1std
,
414 if (ret
!= MEMTX_OK
) {
415 qemu_log_mask(LOG_GUEST_ERROR
,
416 "Could not read L1PTR at 0X%"PRIx64
"\n", l1ptr
);
417 event
->type
= SMMU_EVT_F_STE_FETCH
;
418 event
->u
.f_ste_fetch
.addr
= l1ptr
;
422 span
= L1STD_SPAN(&l1std
);
425 /* l2ptr is not valid */
426 if (!event
->inval_ste_allowed
) {
427 qemu_log_mask(LOG_GUEST_ERROR
,
428 "invalid sid=%d (L1STD span=0)\n", sid
);
430 event
->type
= SMMU_EVT_C_BAD_STREAMID
;
433 max_l2_ste
= (1 << span
) - 1;
434 l2ptr
= l1std_l2ptr(&l1std
);
435 trace_smmuv3_find_ste_2lvl(s
->strtab_base
, l1ptr
, l1_ste_offset
,
436 l2ptr
, l2_ste_offset
, max_l2_ste
);
437 if (l2_ste_offset
> max_l2_ste
) {
438 qemu_log_mask(LOG_GUEST_ERROR
,
439 "l2_ste_offset=%d > max_l2_ste=%d\n",
440 l2_ste_offset
, max_l2_ste
);
441 event
->type
= SMMU_EVT_C_BAD_STE
;
444 addr
= l2ptr
+ l2_ste_offset
* sizeof(*ste
);
446 strtab_size_shift
= log2size
+ 5;
447 strtab_base
= s
->strtab_base
& SMMU_BASE_ADDR_MASK
&
448 ~MAKE_64BIT_MASK(0, strtab_size_shift
);
449 addr
= strtab_base
+ sid
* sizeof(*ste
);
452 if (smmu_get_ste(s
, addr
, ste
, event
)) {
459 static int decode_cd(SMMUTransCfg
*cfg
, CD
*cd
, SMMUEventInfo
*event
)
464 if (!CD_VALID(cd
) || !CD_AARCH64(cd
)) {
468 goto bad_cd
; /* SMMU_IDR0.TERM_MODEL == 1 */
471 goto bad_cd
; /* !STE_SECURE && SMMU_IDR0.STALL_MODEL == 1 */
473 if (CD_HA(cd
) || CD_HD(cd
)) {
474 goto bad_cd
; /* HTTU = 0 */
477 /* we support only those at the moment */
481 cfg
->oas
= oas2bits(CD_IPS(cd
));
482 cfg
->oas
= MIN(oas2bits(SMMU_IDR5_OAS
), cfg
->oas
);
483 cfg
->tbi
= CD_TBI(cd
);
484 cfg
->asid
= CD_ASID(cd
);
486 trace_smmuv3_decode_cd(cfg
->oas
);
488 /* decode data dependent on TT */
489 for (i
= 0; i
<= 1; i
++) {
491 SMMUTransTableInfo
*tt
= &cfg
->tt
[i
];
493 cfg
->tt
[i
].disabled
= CD_EPD(cd
, i
);
494 if (cfg
->tt
[i
].disabled
) {
499 if (tsz
< 16 || tsz
> 39) {
504 tt
->granule_sz
= tg2granule(tg
, i
);
505 if ((tt
->granule_sz
!= 12 && tt
->granule_sz
!= 16) || CD_ENDI(cd
)) {
510 tt
->ttb
= CD_TTB(cd
, i
);
511 if (tt
->ttb
& ~(MAKE_64BIT_MASK(0, cfg
->oas
))) {
514 tt
->had
= CD_HAD(cd
, i
);
515 trace_smmuv3_decode_cd_tt(i
, tt
->tsz
, tt
->ttb
, tt
->granule_sz
, tt
->had
);
518 event
->record_trans_faults
= CD_R(cd
);
523 event
->type
= SMMU_EVT_C_BAD_CD
;
528 * smmuv3_decode_config - Prepare the translation configuration
529 * for the @mr iommu region
530 * @mr: iommu memory region the translation config must be prepared for
531 * @cfg: output translation configuration which is populated through
532 * the different configuration decoding steps
533 * @event: must be zero'ed by the caller
535 * return < 0 in case of config decoding error (@event is filled
536 * accordingly). Return 0 otherwise.
538 static int smmuv3_decode_config(IOMMUMemoryRegion
*mr
, SMMUTransCfg
*cfg
,
539 SMMUEventInfo
*event
)
541 SMMUDevice
*sdev
= container_of(mr
, SMMUDevice
, iommu
);
542 uint32_t sid
= smmu_get_sid(sdev
);
543 SMMUv3State
*s
= sdev
->smmu
;
548 ret
= smmu_find_ste(s
, sid
, &ste
, event
);
553 ret
= decode_ste(s
, cfg
, &ste
, event
);
558 if (cfg
->aborted
|| cfg
->bypassed
) {
562 ret
= smmu_get_cd(s
, &ste
, 0 /* ssid */, &cd
, event
);
567 return decode_cd(cfg
, &cd
, event
);
571 * smmuv3_get_config - Look up for a cached copy of configuration data for
572 * @sdev and on cache miss performs a configuration structure decoding from
575 * @sdev: SMMUDevice handle
576 * @event: output event info
578 * The configuration cache contains data resulting from both STE and CD
579 * decoding under the form of an SMMUTransCfg struct. The hash table is indexed
580 * by the SMMUDevice handle.
582 static SMMUTransCfg
*smmuv3_get_config(SMMUDevice
*sdev
, SMMUEventInfo
*event
)
584 SMMUv3State
*s
= sdev
->smmu
;
585 SMMUState
*bc
= &s
->smmu_state
;
588 cfg
= g_hash_table_lookup(bc
->configs
, sdev
);
590 sdev
->cfg_cache_hits
++;
591 trace_smmuv3_config_cache_hit(smmu_get_sid(sdev
),
592 sdev
->cfg_cache_hits
, sdev
->cfg_cache_misses
,
593 100 * sdev
->cfg_cache_hits
/
594 (sdev
->cfg_cache_hits
+ sdev
->cfg_cache_misses
));
596 sdev
->cfg_cache_misses
++;
597 trace_smmuv3_config_cache_miss(smmu_get_sid(sdev
),
598 sdev
->cfg_cache_hits
, sdev
->cfg_cache_misses
,
599 100 * sdev
->cfg_cache_hits
/
600 (sdev
->cfg_cache_hits
+ sdev
->cfg_cache_misses
));
601 cfg
= g_new0(SMMUTransCfg
, 1);
603 if (!smmuv3_decode_config(&sdev
->iommu
, cfg
, event
)) {
604 g_hash_table_insert(bc
->configs
, sdev
, cfg
);
613 static void smmuv3_flush_config(SMMUDevice
*sdev
)
615 SMMUv3State
*s
= sdev
->smmu
;
616 SMMUState
*bc
= &s
->smmu_state
;
618 trace_smmuv3_config_cache_inv(smmu_get_sid(sdev
));
619 g_hash_table_remove(bc
->configs
, sdev
);
622 static IOMMUTLBEntry
smmuv3_translate(IOMMUMemoryRegion
*mr
, hwaddr addr
,
623 IOMMUAccessFlags flag
, int iommu_idx
)
625 SMMUDevice
*sdev
= container_of(mr
, SMMUDevice
, iommu
);
626 SMMUv3State
*s
= sdev
->smmu
;
627 uint32_t sid
= smmu_get_sid(sdev
);
628 SMMUEventInfo event
= {.type
= SMMU_EVT_NONE
,
630 .inval_ste_allowed
= false};
631 SMMUPTWEventInfo ptw_info
= {};
632 SMMUTranslationStatus status
;
633 SMMUState
*bs
= ARM_SMMU(s
);
634 uint64_t page_mask
, aligned_addr
;
635 SMMUTLBEntry
*cached_entry
= NULL
;
636 SMMUTransTableInfo
*tt
;
637 SMMUTransCfg
*cfg
= NULL
;
638 IOMMUTLBEntry entry
= {
639 .target_as
= &address_space_memory
,
641 .translated_addr
= addr
,
642 .addr_mask
= ~(hwaddr
)0,
646 qemu_mutex_lock(&s
->mutex
);
648 if (!smmu_enabled(s
)) {
649 status
= SMMU_TRANS_DISABLE
;
653 cfg
= smmuv3_get_config(sdev
, &event
);
655 status
= SMMU_TRANS_ERROR
;
660 status
= SMMU_TRANS_ABORT
;
665 status
= SMMU_TRANS_BYPASS
;
669 tt
= select_tt(cfg
, addr
);
671 if (event
.record_trans_faults
) {
672 event
.type
= SMMU_EVT_F_TRANSLATION
;
673 event
.u
.f_translation
.addr
= addr
;
674 event
.u
.f_translation
.rnw
= flag
& 0x1;
676 status
= SMMU_TRANS_ERROR
;
680 page_mask
= (1ULL << (tt
->granule_sz
)) - 1;
681 aligned_addr
= addr
& ~page_mask
;
683 cached_entry
= smmu_iotlb_lookup(bs
, cfg
, tt
, aligned_addr
);
685 if ((flag
& IOMMU_WO
) && !(cached_entry
->entry
.perm
& IOMMU_WO
)) {
686 status
= SMMU_TRANS_ERROR
;
687 if (event
.record_trans_faults
) {
688 event
.type
= SMMU_EVT_F_PERMISSION
;
689 event
.u
.f_permission
.addr
= addr
;
690 event
.u
.f_permission
.rnw
= flag
& 0x1;
693 status
= SMMU_TRANS_SUCCESS
;
698 cached_entry
= g_new0(SMMUTLBEntry
, 1);
700 if (smmu_ptw(cfg
, aligned_addr
, flag
, cached_entry
, &ptw_info
)) {
701 g_free(cached_entry
);
702 switch (ptw_info
.type
) {
703 case SMMU_PTW_ERR_WALK_EABT
:
704 event
.type
= SMMU_EVT_F_WALK_EABT
;
705 event
.u
.f_walk_eabt
.addr
= addr
;
706 event
.u
.f_walk_eabt
.rnw
= flag
& 0x1;
707 event
.u
.f_walk_eabt
.class = 0x1;
708 event
.u
.f_walk_eabt
.addr2
= ptw_info
.addr
;
710 case SMMU_PTW_ERR_TRANSLATION
:
711 if (event
.record_trans_faults
) {
712 event
.type
= SMMU_EVT_F_TRANSLATION
;
713 event
.u
.f_translation
.addr
= addr
;
714 event
.u
.f_translation
.rnw
= flag
& 0x1;
717 case SMMU_PTW_ERR_ADDR_SIZE
:
718 if (event
.record_trans_faults
) {
719 event
.type
= SMMU_EVT_F_ADDR_SIZE
;
720 event
.u
.f_addr_size
.addr
= addr
;
721 event
.u
.f_addr_size
.rnw
= flag
& 0x1;
724 case SMMU_PTW_ERR_ACCESS
:
725 if (event
.record_trans_faults
) {
726 event
.type
= SMMU_EVT_F_ACCESS
;
727 event
.u
.f_access
.addr
= addr
;
728 event
.u
.f_access
.rnw
= flag
& 0x1;
731 case SMMU_PTW_ERR_PERMISSION
:
732 if (event
.record_trans_faults
) {
733 event
.type
= SMMU_EVT_F_PERMISSION
;
734 event
.u
.f_permission
.addr
= addr
;
735 event
.u
.f_permission
.rnw
= flag
& 0x1;
739 g_assert_not_reached();
741 status
= SMMU_TRANS_ERROR
;
743 smmu_iotlb_insert(bs
, cfg
, cached_entry
);
744 status
= SMMU_TRANS_SUCCESS
;
748 qemu_mutex_unlock(&s
->mutex
);
750 case SMMU_TRANS_SUCCESS
:
752 entry
.translated_addr
= cached_entry
->entry
.translated_addr
+
753 (addr
& cached_entry
->entry
.addr_mask
);
754 entry
.addr_mask
= cached_entry
->entry
.addr_mask
;
755 trace_smmuv3_translate_success(mr
->parent_obj
.name
, sid
, addr
,
756 entry
.translated_addr
, entry
.perm
);
758 case SMMU_TRANS_DISABLE
:
760 entry
.addr_mask
= ~TARGET_PAGE_MASK
;
761 trace_smmuv3_translate_disable(mr
->parent_obj
.name
, sid
, addr
,
764 case SMMU_TRANS_BYPASS
:
766 entry
.addr_mask
= ~TARGET_PAGE_MASK
;
767 trace_smmuv3_translate_bypass(mr
->parent_obj
.name
, sid
, addr
,
770 case SMMU_TRANS_ABORT
:
771 /* no event is recorded on abort */
772 trace_smmuv3_translate_abort(mr
->parent_obj
.name
, sid
, addr
,
775 case SMMU_TRANS_ERROR
:
776 qemu_log_mask(LOG_GUEST_ERROR
,
777 "%s translation failed for iova=0x%"PRIx64
"(%s)\n",
778 mr
->parent_obj
.name
, addr
, smmu_event_string(event
.type
));
779 smmuv3_record_event(s
, &event
);
787 * smmuv3_notify_iova - call the notifier @n for a given
788 * @asid and @iova tuple.
790 * @mr: IOMMU mr region handle
791 * @n: notifier to be called
792 * @asid: address space ID or negative value if we don't care
794 * @tg: translation granule (if communicated through range invalidation)
795 * @num_pages: number of @granule sized pages (if tg != 0), otherwise 1
797 static void smmuv3_notify_iova(IOMMUMemoryRegion
*mr
,
799 int asid
, dma_addr_t iova
,
800 uint8_t tg
, uint64_t num_pages
)
802 SMMUDevice
*sdev
= container_of(mr
, SMMUDevice
, iommu
);
807 SMMUEventInfo event
= {.inval_ste_allowed
= true};
808 SMMUTransCfg
*cfg
= smmuv3_get_config(sdev
, &event
);
809 SMMUTransTableInfo
*tt
;
815 if (asid
>= 0 && cfg
->asid
!= asid
) {
819 tt
= select_tt(cfg
, iova
);
823 granule
= tt
->granule_sz
;
825 granule
= tg
* 2 + 10;
828 event
.type
= IOMMU_NOTIFIER_UNMAP
;
829 event
.entry
.target_as
= &address_space_memory
;
830 event
.entry
.iova
= iova
;
831 event
.entry
.addr_mask
= num_pages
* (1 << granule
) - 1;
832 event
.entry
.perm
= IOMMU_NONE
;
834 memory_region_notify_iommu_one(n
, &event
);
837 /* invalidate an asid/iova range tuple in all mr's */
838 static void smmuv3_inv_notifiers_iova(SMMUState
*s
, int asid
, dma_addr_t iova
,
839 uint8_t tg
, uint64_t num_pages
)
843 QLIST_FOREACH(sdev
, &s
->devices_with_notifiers
, next
) {
844 IOMMUMemoryRegion
*mr
= &sdev
->iommu
;
847 trace_smmuv3_inv_notifiers_iova(mr
->parent_obj
.name
, asid
, iova
,
850 IOMMU_NOTIFIER_FOREACH(n
, mr
) {
851 smmuv3_notify_iova(mr
, n
, asid
, iova
, tg
, num_pages
);
856 static void smmuv3_s1_range_inval(SMMUState
*s
, Cmd
*cmd
)
858 uint8_t scale
= 0, num
= 0, ttl
= 0;
859 dma_addr_t addr
= CMD_ADDR(cmd
);
860 uint8_t type
= CMD_TYPE(cmd
);
861 uint16_t vmid
= CMD_VMID(cmd
);
862 bool leaf
= CMD_LEAF(cmd
);
863 uint8_t tg
= CMD_TG(cmd
);
864 hwaddr num_pages
= 1;
868 scale
= CMD_SCALE(cmd
);
871 num_pages
= (num
+ 1) * BIT_ULL(scale
);
874 if (type
== SMMU_CMD_TLBI_NH_VA
) {
875 asid
= CMD_ASID(cmd
);
877 trace_smmuv3_s1_range_inval(vmid
, asid
, addr
, tg
, num_pages
, ttl
, leaf
);
878 smmuv3_inv_notifiers_iova(s
, asid
, addr
, tg
, num_pages
);
879 smmu_iotlb_inv_iova(s
, asid
, addr
, tg
, num_pages
, ttl
);
882 static int smmuv3_cmdq_consume(SMMUv3State
*s
)
884 SMMUState
*bs
= ARM_SMMU(s
);
885 SMMUCmdError cmd_error
= SMMU_CERROR_NONE
;
886 SMMUQueue
*q
= &s
->cmdq
;
887 SMMUCommandType type
= 0;
889 if (!smmuv3_cmdq_enabled(s
)) {
893 * some commands depend on register values, typically CR0. In case those
894 * register values change while handling the command, spec says it
895 * is UNPREDICTABLE whether the command is interpreted under the new
899 while (!smmuv3_q_empty(q
)) {
900 uint32_t pending
= s
->gerror
^ s
->gerrorn
;
903 trace_smmuv3_cmdq_consume(Q_PROD(q
), Q_CONS(q
),
904 Q_PROD_WRAP(q
), Q_CONS_WRAP(q
));
906 if (FIELD_EX32(pending
, GERROR
, CMDQ_ERR
)) {
910 if (queue_read(q
, &cmd
) != MEMTX_OK
) {
911 cmd_error
= SMMU_CERROR_ABT
;
915 type
= CMD_TYPE(&cmd
);
917 trace_smmuv3_cmdq_opcode(smmu_cmd_string(type
));
919 qemu_mutex_lock(&s
->mutex
);
922 if (CMD_SYNC_CS(&cmd
) & CMD_SYNC_SIG_IRQ
) {
923 smmuv3_trigger_irq(s
, SMMU_IRQ_CMD_SYNC
, 0);
926 case SMMU_CMD_PREFETCH_CONFIG
:
927 case SMMU_CMD_PREFETCH_ADDR
:
929 case SMMU_CMD_CFGI_STE
:
931 uint32_t sid
= CMD_SID(&cmd
);
932 IOMMUMemoryRegion
*mr
= smmu_iommu_mr(bs
, sid
);
935 if (CMD_SSEC(&cmd
)) {
936 cmd_error
= SMMU_CERROR_ILL
;
944 trace_smmuv3_cmdq_cfgi_ste(sid
);
945 sdev
= container_of(mr
, SMMUDevice
, iommu
);
946 smmuv3_flush_config(sdev
);
950 case SMMU_CMD_CFGI_STE_RANGE
: /* same as SMMU_CMD_CFGI_ALL */
952 uint32_t start
= CMD_SID(&cmd
), end
, i
;
953 uint8_t range
= CMD_STE_RANGE(&cmd
);
955 if (CMD_SSEC(&cmd
)) {
956 cmd_error
= SMMU_CERROR_ILL
;
960 end
= start
+ (1 << (range
+ 1)) - 1;
961 trace_smmuv3_cmdq_cfgi_ste_range(start
, end
);
963 for (i
= start
; i
<= end
; i
++) {
964 IOMMUMemoryRegion
*mr
= smmu_iommu_mr(bs
, i
);
970 sdev
= container_of(mr
, SMMUDevice
, iommu
);
971 smmuv3_flush_config(sdev
);
975 case SMMU_CMD_CFGI_CD
:
976 case SMMU_CMD_CFGI_CD_ALL
:
978 uint32_t sid
= CMD_SID(&cmd
);
979 IOMMUMemoryRegion
*mr
= smmu_iommu_mr(bs
, sid
);
982 if (CMD_SSEC(&cmd
)) {
983 cmd_error
= SMMU_CERROR_ILL
;
991 trace_smmuv3_cmdq_cfgi_cd(sid
);
992 sdev
= container_of(mr
, SMMUDevice
, iommu
);
993 smmuv3_flush_config(sdev
);
996 case SMMU_CMD_TLBI_NH_ASID
:
998 uint16_t asid
= CMD_ASID(&cmd
);
1000 trace_smmuv3_cmdq_tlbi_nh_asid(asid
);
1001 smmu_inv_notifiers_all(&s
->smmu_state
);
1002 smmu_iotlb_inv_asid(bs
, asid
);
1005 case SMMU_CMD_TLBI_NH_ALL
:
1006 case SMMU_CMD_TLBI_NSNH_ALL
:
1007 trace_smmuv3_cmdq_tlbi_nh();
1008 smmu_inv_notifiers_all(&s
->smmu_state
);
1009 smmu_iotlb_inv_all(bs
);
1011 case SMMU_CMD_TLBI_NH_VAA
:
1012 case SMMU_CMD_TLBI_NH_VA
:
1013 smmuv3_s1_range_inval(bs
, &cmd
);
1015 case SMMU_CMD_TLBI_EL3_ALL
:
1016 case SMMU_CMD_TLBI_EL3_VA
:
1017 case SMMU_CMD_TLBI_EL2_ALL
:
1018 case SMMU_CMD_TLBI_EL2_ASID
:
1019 case SMMU_CMD_TLBI_EL2_VA
:
1020 case SMMU_CMD_TLBI_EL2_VAA
:
1021 case SMMU_CMD_TLBI_S12_VMALL
:
1022 case SMMU_CMD_TLBI_S2_IPA
:
1023 case SMMU_CMD_ATC_INV
:
1024 case SMMU_CMD_PRI_RESP
:
1025 case SMMU_CMD_RESUME
:
1026 case SMMU_CMD_STALL_TERM
:
1027 trace_smmuv3_unhandled_cmd(type
);
1030 cmd_error
= SMMU_CERROR_ILL
;
1031 qemu_log_mask(LOG_GUEST_ERROR
,
1032 "Illegal command type: %d\n", CMD_TYPE(&cmd
));
1035 qemu_mutex_unlock(&s
->mutex
);
1040 * We only increment the cons index after the completion of
1041 * the command. We do that because the SYNC returns immediately
1042 * and does not check the completion of previous commands
1048 trace_smmuv3_cmdq_consume_error(smmu_cmd_string(type
), cmd_error
);
1049 smmu_write_cmdq_err(s
, cmd_error
);
1050 smmuv3_trigger_irq(s
, SMMU_IRQ_GERROR
, R_GERROR_CMDQ_ERR_MASK
);
1053 trace_smmuv3_cmdq_consume_out(Q_PROD(q
), Q_CONS(q
),
1054 Q_PROD_WRAP(q
), Q_CONS_WRAP(q
));
1059 static MemTxResult
smmu_writell(SMMUv3State
*s
, hwaddr offset
,
1060 uint64_t data
, MemTxAttrs attrs
)
1063 case A_GERROR_IRQ_CFG0
:
1064 s
->gerror_irq_cfg0
= data
;
1067 s
->strtab_base
= data
;
1070 s
->cmdq
.base
= data
;
1071 s
->cmdq
.log2size
= extract64(s
->cmdq
.base
, 0, 5);
1072 if (s
->cmdq
.log2size
> SMMU_CMDQS
) {
1073 s
->cmdq
.log2size
= SMMU_CMDQS
;
1077 s
->eventq
.base
= data
;
1078 s
->eventq
.log2size
= extract64(s
->eventq
.base
, 0, 5);
1079 if (s
->eventq
.log2size
> SMMU_EVENTQS
) {
1080 s
->eventq
.log2size
= SMMU_EVENTQS
;
1083 case A_EVENTQ_IRQ_CFG0
:
1084 s
->eventq_irq_cfg0
= data
;
1087 qemu_log_mask(LOG_UNIMP
,
1088 "%s Unexpected 64-bit access to 0x%"PRIx64
" (WI)\n",
1094 static MemTxResult
smmu_writel(SMMUv3State
*s
, hwaddr offset
,
1095 uint64_t data
, MemTxAttrs attrs
)
1100 s
->cr0ack
= data
& ~SMMU_CR0_RESERVED
;
1101 /* in case the command queue has been enabled */
1102 smmuv3_cmdq_consume(s
);
1114 smmuv3_write_gerrorn(s
, data
);
1116 * By acknowledging the CMDQ_ERR, SW may notify cmds can
1117 * be processed again
1119 smmuv3_cmdq_consume(s
);
1121 case A_GERROR_IRQ_CFG0
: /* 64b */
1122 s
->gerror_irq_cfg0
= deposit64(s
->gerror_irq_cfg0
, 0, 32, data
);
1124 case A_GERROR_IRQ_CFG0
+ 4:
1125 s
->gerror_irq_cfg0
= deposit64(s
->gerror_irq_cfg0
, 32, 32, data
);
1127 case A_GERROR_IRQ_CFG1
:
1128 s
->gerror_irq_cfg1
= data
;
1130 case A_GERROR_IRQ_CFG2
:
1131 s
->gerror_irq_cfg2
= data
;
1133 case A_STRTAB_BASE
: /* 64b */
1134 s
->strtab_base
= deposit64(s
->strtab_base
, 0, 32, data
);
1136 case A_STRTAB_BASE
+ 4:
1137 s
->strtab_base
= deposit64(s
->strtab_base
, 32, 32, data
);
1139 case A_STRTAB_BASE_CFG
:
1140 s
->strtab_base_cfg
= data
;
1141 if (FIELD_EX32(data
, STRTAB_BASE_CFG
, FMT
) == 1) {
1142 s
->sid_split
= FIELD_EX32(data
, STRTAB_BASE_CFG
, SPLIT
);
1143 s
->features
|= SMMU_FEATURE_2LVL_STE
;
1146 case A_CMDQ_BASE
: /* 64b */
1147 s
->cmdq
.base
= deposit64(s
->cmdq
.base
, 0, 32, data
);
1148 s
->cmdq
.log2size
= extract64(s
->cmdq
.base
, 0, 5);
1149 if (s
->cmdq
.log2size
> SMMU_CMDQS
) {
1150 s
->cmdq
.log2size
= SMMU_CMDQS
;
1153 case A_CMDQ_BASE
+ 4: /* 64b */
1154 s
->cmdq
.base
= deposit64(s
->cmdq
.base
, 32, 32, data
);
1157 s
->cmdq
.prod
= data
;
1158 smmuv3_cmdq_consume(s
);
1161 s
->cmdq
.cons
= data
;
1163 case A_EVENTQ_BASE
: /* 64b */
1164 s
->eventq
.base
= deposit64(s
->eventq
.base
, 0, 32, data
);
1165 s
->eventq
.log2size
= extract64(s
->eventq
.base
, 0, 5);
1166 if (s
->eventq
.log2size
> SMMU_EVENTQS
) {
1167 s
->eventq
.log2size
= SMMU_EVENTQS
;
1170 case A_EVENTQ_BASE
+ 4:
1171 s
->eventq
.base
= deposit64(s
->eventq
.base
, 32, 32, data
);
1174 s
->eventq
.prod
= data
;
1177 s
->eventq
.cons
= data
;
1179 case A_EVENTQ_IRQ_CFG0
: /* 64b */
1180 s
->eventq_irq_cfg0
= deposit64(s
->eventq_irq_cfg0
, 0, 32, data
);
1182 case A_EVENTQ_IRQ_CFG0
+ 4:
1183 s
->eventq_irq_cfg0
= deposit64(s
->eventq_irq_cfg0
, 32, 32, data
);
1185 case A_EVENTQ_IRQ_CFG1
:
1186 s
->eventq_irq_cfg1
= data
;
1188 case A_EVENTQ_IRQ_CFG2
:
1189 s
->eventq_irq_cfg2
= data
;
1192 qemu_log_mask(LOG_UNIMP
,
1193 "%s Unexpected 32-bit access to 0x%"PRIx64
" (WI)\n",
1199 static MemTxResult
smmu_write_mmio(void *opaque
, hwaddr offset
, uint64_t data
,
1200 unsigned size
, MemTxAttrs attrs
)
1202 SMMUState
*sys
= opaque
;
1203 SMMUv3State
*s
= ARM_SMMUV3(sys
);
1206 /* CONSTRAINED UNPREDICTABLE choice to have page0/1 be exact aliases */
1211 r
= smmu_writell(s
, offset
, data
, attrs
);
1214 r
= smmu_writel(s
, offset
, data
, attrs
);
1221 trace_smmuv3_write_mmio(offset
, data
, size
, r
);
1225 static MemTxResult
smmu_readll(SMMUv3State
*s
, hwaddr offset
,
1226 uint64_t *data
, MemTxAttrs attrs
)
1229 case A_GERROR_IRQ_CFG0
:
1230 *data
= s
->gerror_irq_cfg0
;
1233 *data
= s
->strtab_base
;
1236 *data
= s
->cmdq
.base
;
1239 *data
= s
->eventq
.base
;
1243 qemu_log_mask(LOG_UNIMP
,
1244 "%s Unexpected 64-bit access to 0x%"PRIx64
" (RAZ)\n",
1250 static MemTxResult
smmu_readl(SMMUv3State
*s
, hwaddr offset
,
1251 uint64_t *data
, MemTxAttrs attrs
)
1254 case A_IDREGS
... A_IDREGS
+ 0x2f:
1255 *data
= smmuv3_idreg(offset
- A_IDREGS
);
1257 case A_IDR0
... A_IDR5
:
1258 *data
= s
->idr
[(offset
- A_IDR0
) / 4];
1282 case A_IRQ_CTRL_ACK
:
1283 *data
= s
->irq_ctrl
;
1291 case A_GERROR_IRQ_CFG0
: /* 64b */
1292 *data
= extract64(s
->gerror_irq_cfg0
, 0, 32);
1294 case A_GERROR_IRQ_CFG0
+ 4:
1295 *data
= extract64(s
->gerror_irq_cfg0
, 32, 32);
1297 case A_GERROR_IRQ_CFG1
:
1298 *data
= s
->gerror_irq_cfg1
;
1300 case A_GERROR_IRQ_CFG2
:
1301 *data
= s
->gerror_irq_cfg2
;
1303 case A_STRTAB_BASE
: /* 64b */
1304 *data
= extract64(s
->strtab_base
, 0, 32);
1306 case A_STRTAB_BASE
+ 4: /* 64b */
1307 *data
= extract64(s
->strtab_base
, 32, 32);
1309 case A_STRTAB_BASE_CFG
:
1310 *data
= s
->strtab_base_cfg
;
1312 case A_CMDQ_BASE
: /* 64b */
1313 *data
= extract64(s
->cmdq
.base
, 0, 32);
1315 case A_CMDQ_BASE
+ 4:
1316 *data
= extract64(s
->cmdq
.base
, 32, 32);
1319 *data
= s
->cmdq
.prod
;
1322 *data
= s
->cmdq
.cons
;
1324 case A_EVENTQ_BASE
: /* 64b */
1325 *data
= extract64(s
->eventq
.base
, 0, 32);
1327 case A_EVENTQ_BASE
+ 4: /* 64b */
1328 *data
= extract64(s
->eventq
.base
, 32, 32);
1331 *data
= s
->eventq
.prod
;
1334 *data
= s
->eventq
.cons
;
1338 qemu_log_mask(LOG_UNIMP
,
1339 "%s unhandled 32-bit access at 0x%"PRIx64
" (RAZ)\n",
1345 static MemTxResult
smmu_read_mmio(void *opaque
, hwaddr offset
, uint64_t *data
,
1346 unsigned size
, MemTxAttrs attrs
)
1348 SMMUState
*sys
= opaque
;
1349 SMMUv3State
*s
= ARM_SMMUV3(sys
);
1352 /* CONSTRAINED UNPREDICTABLE choice to have page0/1 be exact aliases */
1357 r
= smmu_readll(s
, offset
, data
, attrs
);
1360 r
= smmu_readl(s
, offset
, data
, attrs
);
1367 trace_smmuv3_read_mmio(offset
, *data
, size
, r
);
1371 static const MemoryRegionOps smmu_mem_ops
= {
1372 .read_with_attrs
= smmu_read_mmio
,
1373 .write_with_attrs
= smmu_write_mmio
,
1374 .endianness
= DEVICE_LITTLE_ENDIAN
,
1376 .min_access_size
= 4,
1377 .max_access_size
= 8,
1380 .min_access_size
= 4,
1381 .max_access_size
= 8,
1385 static void smmu_init_irq(SMMUv3State
*s
, SysBusDevice
*dev
)
1389 for (i
= 0; i
< ARRAY_SIZE(s
->irq
); i
++) {
1390 sysbus_init_irq(dev
, &s
->irq
[i
]);
1394 static void smmu_reset(DeviceState
*dev
)
1396 SMMUv3State
*s
= ARM_SMMUV3(dev
);
1397 SMMUv3Class
*c
= ARM_SMMUV3_GET_CLASS(s
);
1399 c
->parent_reset(dev
);
1401 smmuv3_init_regs(s
);
1404 static void smmu_realize(DeviceState
*d
, Error
**errp
)
1406 SMMUState
*sys
= ARM_SMMU(d
);
1407 SMMUv3State
*s
= ARM_SMMUV3(sys
);
1408 SMMUv3Class
*c
= ARM_SMMUV3_GET_CLASS(s
);
1409 SysBusDevice
*dev
= SYS_BUS_DEVICE(d
);
1410 Error
*local_err
= NULL
;
1412 c
->parent_realize(d
, &local_err
);
1414 error_propagate(errp
, local_err
);
1418 qemu_mutex_init(&s
->mutex
);
1420 memory_region_init_io(&sys
->iomem
, OBJECT(s
),
1421 &smmu_mem_ops
, sys
, TYPE_ARM_SMMUV3
, 0x20000);
1423 sys
->mrtypename
= TYPE_SMMUV3_IOMMU_MEMORY_REGION
;
1425 sysbus_init_mmio(dev
, &sys
->iomem
);
1427 smmu_init_irq(s
, dev
);
1430 static const VMStateDescription vmstate_smmuv3_queue
= {
1431 .name
= "smmuv3_queue",
1433 .minimum_version_id
= 1,
1434 .fields
= (VMStateField
[]) {
1435 VMSTATE_UINT64(base
, SMMUQueue
),
1436 VMSTATE_UINT32(prod
, SMMUQueue
),
1437 VMSTATE_UINT32(cons
, SMMUQueue
),
1438 VMSTATE_UINT8(log2size
, SMMUQueue
),
1439 VMSTATE_END_OF_LIST(),
1443 static const VMStateDescription vmstate_smmuv3
= {
1446 .minimum_version_id
= 1,
1447 .priority
= MIG_PRI_IOMMU
,
1448 .fields
= (VMStateField
[]) {
1449 VMSTATE_UINT32(features
, SMMUv3State
),
1450 VMSTATE_UINT8(sid_size
, SMMUv3State
),
1451 VMSTATE_UINT8(sid_split
, SMMUv3State
),
1453 VMSTATE_UINT32_ARRAY(cr
, SMMUv3State
, 3),
1454 VMSTATE_UINT32(cr0ack
, SMMUv3State
),
1455 VMSTATE_UINT32(statusr
, SMMUv3State
),
1456 VMSTATE_UINT32(irq_ctrl
, SMMUv3State
),
1457 VMSTATE_UINT32(gerror
, SMMUv3State
),
1458 VMSTATE_UINT32(gerrorn
, SMMUv3State
),
1459 VMSTATE_UINT64(gerror_irq_cfg0
, SMMUv3State
),
1460 VMSTATE_UINT32(gerror_irq_cfg1
, SMMUv3State
),
1461 VMSTATE_UINT32(gerror_irq_cfg2
, SMMUv3State
),
1462 VMSTATE_UINT64(strtab_base
, SMMUv3State
),
1463 VMSTATE_UINT32(strtab_base_cfg
, SMMUv3State
),
1464 VMSTATE_UINT64(eventq_irq_cfg0
, SMMUv3State
),
1465 VMSTATE_UINT32(eventq_irq_cfg1
, SMMUv3State
),
1466 VMSTATE_UINT32(eventq_irq_cfg2
, SMMUv3State
),
1468 VMSTATE_STRUCT(cmdq
, SMMUv3State
, 0, vmstate_smmuv3_queue
, SMMUQueue
),
1469 VMSTATE_STRUCT(eventq
, SMMUv3State
, 0, vmstate_smmuv3_queue
, SMMUQueue
),
1471 VMSTATE_END_OF_LIST(),
1475 static void smmuv3_instance_init(Object
*obj
)
1477 /* Nothing much to do here as of now */
1480 static void smmuv3_class_init(ObjectClass
*klass
, void *data
)
1482 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1483 SMMUv3Class
*c
= ARM_SMMUV3_CLASS(klass
);
1485 dc
->vmsd
= &vmstate_smmuv3
;
1486 device_class_set_parent_reset(dc
, smmu_reset
, &c
->parent_reset
);
1487 c
->parent_realize
= dc
->realize
;
1488 dc
->realize
= smmu_realize
;
1491 static int smmuv3_notify_flag_changed(IOMMUMemoryRegion
*iommu
,
1492 IOMMUNotifierFlag old
,
1493 IOMMUNotifierFlag
new,
1496 SMMUDevice
*sdev
= container_of(iommu
, SMMUDevice
, iommu
);
1497 SMMUv3State
*s3
= sdev
->smmu
;
1498 SMMUState
*s
= &(s3
->smmu_state
);
1500 if (new & IOMMU_NOTIFIER_DEVIOTLB_UNMAP
) {
1501 error_setg(errp
, "SMMUv3 does not support dev-iotlb yet");
1505 if (new & IOMMU_NOTIFIER_MAP
) {
1507 "device %02x.%02x.%x requires iommu MAP notifier which is "
1508 "not currently supported", pci_bus_num(sdev
->bus
),
1509 PCI_SLOT(sdev
->devfn
), PCI_FUNC(sdev
->devfn
));
1513 if (old
== IOMMU_NOTIFIER_NONE
) {
1514 trace_smmuv3_notify_flag_add(iommu
->parent_obj
.name
);
1515 QLIST_INSERT_HEAD(&s
->devices_with_notifiers
, sdev
, next
);
1516 } else if (new == IOMMU_NOTIFIER_NONE
) {
1517 trace_smmuv3_notify_flag_del(iommu
->parent_obj
.name
);
1518 QLIST_REMOVE(sdev
, next
);
1523 static void smmuv3_iommu_memory_region_class_init(ObjectClass
*klass
,
1526 IOMMUMemoryRegionClass
*imrc
= IOMMU_MEMORY_REGION_CLASS(klass
);
1528 imrc
->translate
= smmuv3_translate
;
1529 imrc
->notify_flag_changed
= smmuv3_notify_flag_changed
;
1532 static const TypeInfo smmuv3_type_info
= {
1533 .name
= TYPE_ARM_SMMUV3
,
1534 .parent
= TYPE_ARM_SMMU
,
1535 .instance_size
= sizeof(SMMUv3State
),
1536 .instance_init
= smmuv3_instance_init
,
1537 .class_size
= sizeof(SMMUv3Class
),
1538 .class_init
= smmuv3_class_init
,
1541 static const TypeInfo smmuv3_iommu_memory_region_info
= {
1542 .parent
= TYPE_IOMMU_MEMORY_REGION
,
1543 .name
= TYPE_SMMUV3_IOMMU_MEMORY_REGION
,
1544 .class_init
= smmuv3_iommu_memory_region_class_init
,
1547 static void smmuv3_register_types(void)
1549 type_register(&smmuv3_type_info
);
1550 type_register(&smmuv3_iommu_memory_region_info
);
1553 type_init(smmuv3_register_types
)