tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2020-2023 Intel Corporation
4 */
5
6#include <linux/circ_buf.h>
7#include <linux/highmem.h>
8
9#include "ivpu_drv.h"
10#include "ivpu_hw.h"
11#include "ivpu_hw_reg_io.h"
12#include "ivpu_mmu.h"
13#include "ivpu_mmu_context.h"
14#include "ivpu_pm.h"
15
16#define IVPU_MMU_REG_IDR0 0x00200000u
17#define IVPU_MMU_REG_IDR1 0x00200004u
18#define IVPU_MMU_REG_IDR3 0x0020000cu
19#define IVPU_MMU_REG_IDR5 0x00200014u
20#define IVPU_MMU_REG_CR0 0x00200020u
21#define IVPU_MMU_REG_CR0ACK 0x00200024u
22#define IVPU_MMU_REG_CR0ACK_VAL_MASK GENMASK(31, 0)
23#define IVPU_MMU_REG_CR1 0x00200028u
24#define IVPU_MMU_REG_CR2 0x0020002cu
25#define IVPU_MMU_REG_IRQ_CTRL 0x00200050u
26#define IVPU_MMU_REG_IRQ_CTRLACK 0x00200054u
27#define IVPU_MMU_REG_IRQ_CTRLACK_VAL_MASK GENMASK(31, 0)
28
29#define IVPU_MMU_REG_GERROR 0x00200060u
30#define IVPU_MMU_REG_GERROR_CMDQ_MASK BIT_MASK(0)
31#define IVPU_MMU_REG_GERROR_EVTQ_ABT_MASK BIT_MASK(2)
32#define IVPU_MMU_REG_GERROR_PRIQ_ABT_MASK BIT_MASK(3)
33#define IVPU_MMU_REG_GERROR_MSI_CMDQ_ABT_MASK BIT_MASK(4)
34#define IVPU_MMU_REG_GERROR_MSI_EVTQ_ABT_MASK BIT_MASK(5)
35#define IVPU_MMU_REG_GERROR_MSI_PRIQ_ABT_MASK BIT_MASK(6)
36#define IVPU_MMU_REG_GERROR_MSI_ABT_MASK BIT_MASK(7)
37
38#define IVPU_MMU_REG_GERRORN 0x00200064u
39
40#define IVPU_MMU_REG_STRTAB_BASE 0x00200080u
41#define IVPU_MMU_REG_STRTAB_BASE_CFG 0x00200088u
42#define IVPU_MMU_REG_CMDQ_BASE 0x00200090u
43#define IVPU_MMU_REG_CMDQ_PROD 0x00200098u
44#define IVPU_MMU_REG_CMDQ_CONS 0x0020009cu
45#define IVPU_MMU_REG_CMDQ_CONS_VAL_MASK GENMASK(23, 0)
46#define IVPU_MMU_REG_CMDQ_CONS_ERR_MASK GENMASK(30, 24)
47#define IVPU_MMU_REG_EVTQ_BASE 0x002000a0u
48#define IVPU_MMU_REG_EVTQ_PROD 0x002000a8u
49#define IVPU_MMU_REG_EVTQ_CONS 0x002000acu
50#define IVPU_MMU_REG_EVTQ_PROD_SEC (0x002000a8u + SZ_64K)
51#define IVPU_MMU_REG_EVTQ_CONS_SEC (0x002000acu + SZ_64K)
52
53#define IVPU_MMU_IDR0_REF 0x080f3e0f
54#define IVPU_MMU_IDR0_REF_SIMICS 0x080f3e1f
55#define IVPU_MMU_IDR1_REF 0x0e739d18
56#define IVPU_MMU_IDR3_REF 0x0000003c
57#define IVPU_MMU_IDR5_REF 0x00040070
58#define IVPU_MMU_IDR5_REF_SIMICS 0x00000075
59#define IVPU_MMU_IDR5_REF_FPGA 0x00800075
60
61#define IVPU_MMU_CDTAB_ENT_SIZE 64
62#define IVPU_MMU_CDTAB_ENT_COUNT_LOG2 8 /* 256 entries */
63#define IVPU_MMU_CDTAB_ENT_COUNT ((u32)1 << IVPU_MMU_CDTAB_ENT_COUNT_LOG2)
64
65#define IVPU_MMU_STREAM_ID0 0
66#define IVPU_MMU_STREAM_ID3 3
67
68#define IVPU_MMU_STRTAB_ENT_SIZE 64
69#define IVPU_MMU_STRTAB_ENT_COUNT 4
70#define IVPU_MMU_STRTAB_CFG_LOG2SIZE 2
71#define IVPU_MMU_STRTAB_CFG IVPU_MMU_STRTAB_CFG_LOG2SIZE
72
73#define IVPU_MMU_Q_COUNT_LOG2 4 /* 16 entries */
74#define IVPU_MMU_Q_COUNT ((u32)1 << IVPU_MMU_Q_COUNT_LOG2)
75#define IVPU_MMU_Q_WRAP_MASK GENMASK(IVPU_MMU_Q_COUNT_LOG2, 0)
76#define IVPU_MMU_Q_IDX_MASK (IVPU_MMU_Q_COUNT - 1)
77#define IVPU_MMU_Q_IDX(val) ((val) & IVPU_MMU_Q_IDX_MASK)
78#define IVPU_MMU_Q_WRP(val) ((val) & IVPU_MMU_Q_COUNT)
79
80#define IVPU_MMU_CMDQ_CMD_SIZE 16
81#define IVPU_MMU_CMDQ_SIZE (IVPU_MMU_Q_COUNT * IVPU_MMU_CMDQ_CMD_SIZE)
82
83#define IVPU_MMU_EVTQ_CMD_SIZE 32
84#define IVPU_MMU_EVTQ_SIZE (IVPU_MMU_Q_COUNT * IVPU_MMU_EVTQ_CMD_SIZE)
85
86#define IVPU_MMU_CMD_OPCODE GENMASK(7, 0)
87
88#define IVPU_MMU_CMD_SYNC_0_CS GENMASK(13, 12)
89#define IVPU_MMU_CMD_SYNC_0_MSH GENMASK(23, 22)
90#define IVPU_MMU_CMD_SYNC_0_MSI_ATTR GENMASK(27, 24)
91#define IVPU_MMU_CMD_SYNC_0_MSI_ATTR GENMASK(27, 24)
92#define IVPU_MMU_CMD_SYNC_0_MSI_DATA GENMASK(63, 32)
93
94#define IVPU_MMU_CMD_CFGI_0_SSEC BIT(10)
95#define IVPU_MMU_CMD_CFGI_0_SSV BIT(11)
96#define IVPU_MMU_CMD_CFGI_0_SSID GENMASK(31, 12)
97#define IVPU_MMU_CMD_CFGI_0_SID GENMASK(63, 32)
98#define IVPU_MMU_CMD_CFGI_1_RANGE GENMASK(4, 0)
99
100#define IVPU_MMU_CMD_TLBI_0_ASID GENMASK(63, 48)
101#define IVPU_MMU_CMD_TLBI_0_VMID GENMASK(47, 32)
102
103#define CMD_PREFETCH_CFG 0x1
104#define CMD_CFGI_STE 0x3
105#define CMD_CFGI_ALL 0x4
106#define CMD_CFGI_CD 0x5
107#define CMD_CFGI_CD_ALL 0x6
108#define CMD_TLBI_NH_ASID 0x11
109#define CMD_TLBI_EL2_ALL 0x20
110#define CMD_TLBI_NSNH_ALL 0x30
111#define CMD_SYNC 0x46
112
113#define IVPU_MMU_EVT_F_UUT 0x01
114#define IVPU_MMU_EVT_C_BAD_STREAMID 0x02
115#define IVPU_MMU_EVT_F_STE_FETCH 0x03
116#define IVPU_MMU_EVT_C_BAD_STE 0x04
117#define IVPU_MMU_EVT_F_BAD_ATS_TREQ 0x05
118#define IVPU_MMU_EVT_F_STREAM_DISABLED 0x06
119#define IVPU_MMU_EVT_F_TRANSL_FORBIDDEN 0x07
120#define IVPU_MMU_EVT_C_BAD_SUBSTREAMID 0x08
121#define IVPU_MMU_EVT_F_CD_FETCH 0x09
122#define IVPU_MMU_EVT_C_BAD_CD 0x0a
123#define IVPU_MMU_EVT_F_WALK_EABT 0x0b
124#define IVPU_MMU_EVT_F_TRANSLATION 0x10
125#define IVPU_MMU_EVT_F_ADDR_SIZE 0x11
126#define IVPU_MMU_EVT_F_ACCESS 0x12
127#define IVPU_MMU_EVT_F_PERMISSION 0x13
128#define IVPU_MMU_EVT_F_TLB_CONFLICT 0x20
129#define IVPU_MMU_EVT_F_CFG_CONFLICT 0x21
130#define IVPU_MMU_EVT_E_PAGE_REQUEST 0x24
131#define IVPU_MMU_EVT_F_VMS_FETCH 0x25
132
133#define IVPU_MMU_EVT_OP_MASK GENMASK_ULL(7, 0)
134#define IVPU_MMU_EVT_SSID_MASK GENMASK_ULL(31, 12)
135
136#define IVPU_MMU_Q_BASE_RWA BIT(62)
137#define IVPU_MMU_Q_BASE_ADDR_MASK GENMASK_ULL(51, 5)
138#define IVPU_MMU_STRTAB_BASE_RA BIT(62)
139#define IVPU_MMU_STRTAB_BASE_ADDR_MASK GENMASK_ULL(51, 6)
140
141#define IVPU_MMU_IRQ_EVTQ_EN BIT(2)
142#define IVPU_MMU_IRQ_GERROR_EN BIT(0)
143
144#define IVPU_MMU_CR0_ATSCHK BIT(4)
145#define IVPU_MMU_CR0_CMDQEN BIT(3)
146#define IVPU_MMU_CR0_EVTQEN BIT(2)
147#define IVPU_MMU_CR0_PRIQEN BIT(1)
148#define IVPU_MMU_CR0_SMMUEN BIT(0)
149
150#define IVPU_MMU_CR1_TABLE_SH GENMASK(11, 10)
151#define IVPU_MMU_CR1_TABLE_OC GENMASK(9, 8)
152#define IVPU_MMU_CR1_TABLE_IC GENMASK(7, 6)
153#define IVPU_MMU_CR1_QUEUE_SH GENMASK(5, 4)
154#define IVPU_MMU_CR1_QUEUE_OC GENMASK(3, 2)
155#define IVPU_MMU_CR1_QUEUE_IC GENMASK(1, 0)
156#define IVPU_MMU_CACHE_NC 0
157#define IVPU_MMU_CACHE_WB 1
158#define IVPU_MMU_CACHE_WT 2
159#define IVPU_MMU_SH_NSH 0
160#define IVPU_MMU_SH_OSH 2
161#define IVPU_MMU_SH_ISH 3
162
163#define IVPU_MMU_CMDQ_OP GENMASK_ULL(7, 0)
164
165#define IVPU_MMU_CD_0_TCR_T0SZ GENMASK_ULL(5, 0)
166#define IVPU_MMU_CD_0_TCR_TG0 GENMASK_ULL(7, 6)
167#define IVPU_MMU_CD_0_TCR_IRGN0 GENMASK_ULL(9, 8)
168#define IVPU_MMU_CD_0_TCR_ORGN0 GENMASK_ULL(11, 10)
169#define IVPU_MMU_CD_0_TCR_SH0 GENMASK_ULL(13, 12)
170#define IVPU_MMU_CD_0_TCR_EPD0 BIT_ULL(14)
171#define IVPU_MMU_CD_0_TCR_EPD1 BIT_ULL(30)
172#define IVPU_MMU_CD_0_ENDI BIT(15)
173#define IVPU_MMU_CD_0_V BIT(31)
174#define IVPU_MMU_CD_0_TCR_IPS GENMASK_ULL(34, 32)
175#define IVPU_MMU_CD_0_TCR_TBI0 BIT_ULL(38)
176#define IVPU_MMU_CD_0_AA64 BIT(41)
177#define IVPU_MMU_CD_0_S BIT(44)
178#define IVPU_MMU_CD_0_R BIT(45)
179#define IVPU_MMU_CD_0_A BIT(46)
180#define IVPU_MMU_CD_0_ASET BIT(47)
181#define IVPU_MMU_CD_0_ASID GENMASK_ULL(63, 48)
182
183#define IVPU_MMU_T0SZ_48BIT 16
184#define IVPU_MMU_T0SZ_38BIT 26
185
186#define IVPU_MMU_IPS_48BIT 5
187#define IVPU_MMU_IPS_44BIT 4
188#define IVPU_MMU_IPS_42BIT 3
189#define IVPU_MMU_IPS_40BIT 2
190#define IVPU_MMU_IPS_36BIT 1
191#define IVPU_MMU_IPS_32BIT 0
192
193#define IVPU_MMU_CD_1_TTB0_MASK GENMASK_ULL(51, 4)
194
195#define IVPU_MMU_STE_0_S1CDMAX GENMASK_ULL(63, 59)
196#define IVPU_MMU_STE_0_S1FMT GENMASK_ULL(5, 4)
197#define IVPU_MMU_STE_0_S1FMT_LINEAR 0
198#define IVPU_MMU_STE_DWORDS 8
199#define IVPU_MMU_STE_0_CFG_S1_TRANS 5
200#define IVPU_MMU_STE_0_CFG GENMASK_ULL(3, 1)
201#define IVPU_MMU_STE_0_S1CTXPTR_MASK GENMASK_ULL(51, 6)
202#define IVPU_MMU_STE_0_V BIT(0)
203
204#define IVPU_MMU_STE_1_STRW_NSEL1 0ul
205#define IVPU_MMU_STE_1_CONT GENMASK_ULL(16, 13)
206#define IVPU_MMU_STE_1_STRW GENMASK_ULL(31, 30)
207#define IVPU_MMU_STE_1_PRIVCFG GENMASK_ULL(49, 48)
208#define IVPU_MMU_STE_1_PRIVCFG_UNPRIV 2ul
209#define IVPU_MMU_STE_1_INSTCFG GENMASK_ULL(51, 50)
210#define IVPU_MMU_STE_1_INSTCFG_DATA 2ul
211#define IVPU_MMU_STE_1_MEV BIT(19)
212#define IVPU_MMU_STE_1_S1STALLD BIT(27)
213#define IVPU_MMU_STE_1_S1C_CACHE_NC 0ul
214#define IVPU_MMU_STE_1_S1C_CACHE_WBRA 1ul
215#define IVPU_MMU_STE_1_S1C_CACHE_WT 2ul
216#define IVPU_MMU_STE_1_S1C_CACHE_WB 3ul
217#define IVPU_MMU_STE_1_S1CIR GENMASK_ULL(3, 2)
218#define IVPU_MMU_STE_1_S1COR GENMASK_ULL(5, 4)
219#define IVPU_MMU_STE_1_S1CSH GENMASK_ULL(7, 6)
220#define IVPU_MMU_STE_1_S1DSS GENMASK_ULL(1, 0)
221#define IVPU_MMU_STE_1_S1DSS_TERMINATE 0x0
222
223#define IVPU_MMU_REG_TIMEOUT_US (10 * USEC_PER_MSEC)
224#define IVPU_MMU_QUEUE_TIMEOUT_US (100 * USEC_PER_MSEC)
225
226#define IVPU_MMU_GERROR_ERR_MASK ((REG_FLD(IVPU_MMU_REG_GERROR, CMDQ)) | \
227 (REG_FLD(IVPU_MMU_REG_GERROR, EVTQ_ABT)) | \
228 (REG_FLD(IVPU_MMU_REG_GERROR, PRIQ_ABT)) | \
229 (REG_FLD(IVPU_MMU_REG_GERROR, MSI_CMDQ_ABT)) | \
230 (REG_FLD(IVPU_MMU_REG_GERROR, MSI_EVTQ_ABT)) | \
231 (REG_FLD(IVPU_MMU_REG_GERROR, MSI_PRIQ_ABT)) | \
232 (REG_FLD(IVPU_MMU_REG_GERROR, MSI_ABT)))
233
234#define IVPU_MMU_CERROR_NONE 0x0
235#define IVPU_MMU_CERROR_ILL 0x1
236#define IVPU_MMU_CERROR_ABT 0x2
237#define IVPU_MMU_CERROR_ATC_INV_SYNC 0x3
238
239static const char *ivpu_mmu_event_to_str(u32 cmd)
240{
241 switch (cmd) {
242 case IVPU_MMU_EVT_F_UUT:
243 return "Unsupported Upstream Transaction";
244 case IVPU_MMU_EVT_C_BAD_STREAMID:
245 return "Transaction StreamID out of range";
246 case IVPU_MMU_EVT_F_STE_FETCH:
247 return "Fetch of STE caused external abort";
248 case IVPU_MMU_EVT_C_BAD_STE:
249 return "Used STE invalid";
250 case IVPU_MMU_EVT_F_BAD_ATS_TREQ:
251 return "Address Request disallowed for a StreamID";
252 case IVPU_MMU_EVT_F_STREAM_DISABLED:
253 return "Transaction marks non-substream disabled";
254 case IVPU_MMU_EVT_F_TRANSL_FORBIDDEN:
255 return "MMU bypass is disallowed for this StreamID";
256 case IVPU_MMU_EVT_C_BAD_SUBSTREAMID:
257 return "Invalid StreamID";
258 case IVPU_MMU_EVT_F_CD_FETCH:
259 return "Fetch of CD caused external abort";
260 case IVPU_MMU_EVT_C_BAD_CD:
261 return "Fetched CD invalid";
262 case IVPU_MMU_EVT_F_WALK_EABT:
263 return " An external abort occurred fetching a TLB";
264 case IVPU_MMU_EVT_F_TRANSLATION:
265 return "Translation fault";
266 case IVPU_MMU_EVT_F_ADDR_SIZE:
267 return " Output address caused address size fault";
268 case IVPU_MMU_EVT_F_ACCESS:
269 return "Access flag fault";
270 case IVPU_MMU_EVT_F_PERMISSION:
271 return "Permission fault occurred on page access";
272 case IVPU_MMU_EVT_F_TLB_CONFLICT:
273 return "A TLB conflict";
274 case IVPU_MMU_EVT_F_CFG_CONFLICT:
275 return "A configuration cache conflict";
276 case IVPU_MMU_EVT_E_PAGE_REQUEST:
277 return "Page request hint from a client device";
278 case IVPU_MMU_EVT_F_VMS_FETCH:
279 return "Fetch of VMS caused external abort";
280 default:
281 return "Unknown event";
282 }
283}
284
285static const char *ivpu_mmu_cmdq_err_to_str(u32 err)
286{
287 switch (err) {
288 case IVPU_MMU_CERROR_NONE:
289 return "No error";
290 case IVPU_MMU_CERROR_ILL:
291 return "Illegal command";
292 case IVPU_MMU_CERROR_ABT:
293 return "External abort on command queue read";
294 case IVPU_MMU_CERROR_ATC_INV_SYNC:
295 return "Sync failed to complete ATS invalidation";
296 default:
297 return "Unknown error";
298 }
299}
300
301static void ivpu_mmu_config_check(struct ivpu_device *vdev)
302{
303 u32 val_ref;
304 u32 val;
305
306 if (ivpu_is_simics(vdev))
307 val_ref = IVPU_MMU_IDR0_REF_SIMICS;
308 else
309 val_ref = IVPU_MMU_IDR0_REF;
310
311 val = REGV_RD32(IVPU_MMU_REG_IDR0);
312 if (val != val_ref)
313 ivpu_dbg(vdev, MMU, "IDR0 0x%x != IDR0_REF 0x%x\n", val, val_ref);
314
315 val = REGV_RD32(IVPU_MMU_REG_IDR1);
316 if (val != IVPU_MMU_IDR1_REF)
317 ivpu_dbg(vdev, MMU, "IDR1 0x%x != IDR1_REF 0x%x\n", val, IVPU_MMU_IDR1_REF);
318
319 val = REGV_RD32(IVPU_MMU_REG_IDR3);
320 if (val != IVPU_MMU_IDR3_REF)
321 ivpu_dbg(vdev, MMU, "IDR3 0x%x != IDR3_REF 0x%x\n", val, IVPU_MMU_IDR3_REF);
322
323 if (ivpu_is_simics(vdev))
324 val_ref = IVPU_MMU_IDR5_REF_SIMICS;
325 else if (ivpu_is_fpga(vdev))
326 val_ref = IVPU_MMU_IDR5_REF_FPGA;
327 else
328 val_ref = IVPU_MMU_IDR5_REF;
329
330 val = REGV_RD32(IVPU_MMU_REG_IDR5);
331 if (val != val_ref)
332 ivpu_dbg(vdev, MMU, "IDR5 0x%x != IDR5_REF 0x%x\n", val, val_ref);
333}
334
335static int ivpu_mmu_cdtab_alloc(struct ivpu_device *vdev)
336{
337 struct ivpu_mmu_info *mmu = vdev->mmu;
338 struct ivpu_mmu_cdtab *cdtab = &mmu->cdtab;
339 size_t size = IVPU_MMU_CDTAB_ENT_COUNT * IVPU_MMU_CDTAB_ENT_SIZE;
340
341 cdtab->base = dmam_alloc_coherent(vdev->drm.dev, size, &cdtab->dma, GFP_KERNEL);
342 if (!cdtab->base)
343 return -ENOMEM;
344
345 ivpu_dbg(vdev, MMU, "CDTAB alloc: dma=%pad size=%zu\n", &cdtab->dma, size);
346
347 return 0;
348}
349
350static int ivpu_mmu_strtab_alloc(struct ivpu_device *vdev)
351{
352 struct ivpu_mmu_info *mmu = vdev->mmu;
353 struct ivpu_mmu_strtab *strtab = &mmu->strtab;
354 size_t size = IVPU_MMU_STRTAB_ENT_COUNT * IVPU_MMU_STRTAB_ENT_SIZE;
355
356 strtab->base = dmam_alloc_coherent(vdev->drm.dev, size, &strtab->dma, GFP_KERNEL);
357 if (!strtab->base)
358 return -ENOMEM;
359
360 strtab->base_cfg = IVPU_MMU_STRTAB_CFG;
361 strtab->dma_q = IVPU_MMU_STRTAB_BASE_RA;
362 strtab->dma_q |= strtab->dma & IVPU_MMU_STRTAB_BASE_ADDR_MASK;
363
364 ivpu_dbg(vdev, MMU, "STRTAB alloc: dma=%pad dma_q=%pad size=%zu\n",
365 &strtab->dma, &strtab->dma_q, size);
366
367 return 0;
368}
369
370static int ivpu_mmu_cmdq_alloc(struct ivpu_device *vdev)
371{
372 struct ivpu_mmu_info *mmu = vdev->mmu;
373 struct ivpu_mmu_queue *q = &mmu->cmdq;
374
375 q->base = dmam_alloc_coherent(vdev->drm.dev, IVPU_MMU_CMDQ_SIZE, &q->dma, GFP_KERNEL);
376 if (!q->base)
377 return -ENOMEM;
378
379 q->dma_q = IVPU_MMU_Q_BASE_RWA;
380 q->dma_q |= q->dma & IVPU_MMU_Q_BASE_ADDR_MASK;
381 q->dma_q |= IVPU_MMU_Q_COUNT_LOG2;
382
383 ivpu_dbg(vdev, MMU, "CMDQ alloc: dma=%pad dma_q=%pad size=%u\n",
384 &q->dma, &q->dma_q, IVPU_MMU_CMDQ_SIZE);
385
386 return 0;
387}
388
389static int ivpu_mmu_evtq_alloc(struct ivpu_device *vdev)
390{
391 struct ivpu_mmu_info *mmu = vdev->mmu;
392 struct ivpu_mmu_queue *q = &mmu->evtq;
393
394 q->base = dmam_alloc_coherent(vdev->drm.dev, IVPU_MMU_EVTQ_SIZE, &q->dma, GFP_KERNEL);
395 if (!q->base)
396 return -ENOMEM;
397
398 q->dma_q = IVPU_MMU_Q_BASE_RWA;
399 q->dma_q |= q->dma & IVPU_MMU_Q_BASE_ADDR_MASK;
400 q->dma_q |= IVPU_MMU_Q_COUNT_LOG2;
401
402 ivpu_dbg(vdev, MMU, "EVTQ alloc: dma=%pad dma_q=%pad size=%u\n",
403 &q->dma, &q->dma_q, IVPU_MMU_EVTQ_SIZE);
404
405 return 0;
406}
407
408static int ivpu_mmu_structs_alloc(struct ivpu_device *vdev)
409{
410 int ret;
411
412 ret = ivpu_mmu_cdtab_alloc(vdev);
413 if (ret) {
414 ivpu_err(vdev, "Failed to allocate cdtab: %d\n", ret);
415 return ret;
416 }
417
418 ret = ivpu_mmu_strtab_alloc(vdev);
419 if (ret) {
420 ivpu_err(vdev, "Failed to allocate strtab: %d\n", ret);
421 return ret;
422 }
423
424 ret = ivpu_mmu_cmdq_alloc(vdev);
425 if (ret) {
426 ivpu_err(vdev, "Failed to allocate cmdq: %d\n", ret);
427 return ret;
428 }
429
430 ret = ivpu_mmu_evtq_alloc(vdev);
431 if (ret)
432 ivpu_err(vdev, "Failed to allocate evtq: %d\n", ret);
433
434 return ret;
435}
436
437static int ivpu_mmu_reg_write_cr0(struct ivpu_device *vdev, u32 val)
438{
439 REGV_WR32(IVPU_MMU_REG_CR0, val);
440
441 return REGV_POLL_FLD(IVPU_MMU_REG_CR0ACK, VAL, val, IVPU_MMU_REG_TIMEOUT_US);
442}
443
444static int ivpu_mmu_reg_write_irq_ctrl(struct ivpu_device *vdev, u32 val)
445{
446 REGV_WR32(IVPU_MMU_REG_IRQ_CTRL, val);
447
448 return REGV_POLL_FLD(IVPU_MMU_REG_IRQ_CTRLACK, VAL, val, IVPU_MMU_REG_TIMEOUT_US);
449}
450
451static int ivpu_mmu_irqs_setup(struct ivpu_device *vdev)
452{
453 u32 irq_ctrl = IVPU_MMU_IRQ_EVTQ_EN | IVPU_MMU_IRQ_GERROR_EN;
454 int ret;
455
456 ret = ivpu_mmu_reg_write_irq_ctrl(vdev, 0);
457 if (ret)
458 return ret;
459
460 return ivpu_mmu_reg_write_irq_ctrl(vdev, irq_ctrl);
461}
462
463static int ivpu_mmu_cmdq_wait_for_cons(struct ivpu_device *vdev)
464{
465 struct ivpu_mmu_queue *cmdq = &vdev->mmu->cmdq;
466 int ret;
467
468 ret = REGV_POLL_FLD(IVPU_MMU_REG_CMDQ_CONS, VAL, cmdq->prod,
469 IVPU_MMU_QUEUE_TIMEOUT_US);
470 if (ret)
471 return ret;
472
473 cmdq->cons = cmdq->prod;
474
475 return 0;
476}
477
478static bool ivpu_mmu_queue_is_full(struct ivpu_mmu_queue *q)
479{
480 return ((IVPU_MMU_Q_IDX(q->prod) == IVPU_MMU_Q_IDX(q->cons)) &&
481 (IVPU_MMU_Q_WRP(q->prod) != IVPU_MMU_Q_WRP(q->cons)));
482}
483
484static bool ivpu_mmu_queue_is_empty(struct ivpu_mmu_queue *q)
485{
486 return ((IVPU_MMU_Q_IDX(q->prod) == IVPU_MMU_Q_IDX(q->cons)) &&
487 (IVPU_MMU_Q_WRP(q->prod) == IVPU_MMU_Q_WRP(q->cons)));
488}
489
490static int ivpu_mmu_cmdq_cmd_write(struct ivpu_device *vdev, const char *name, u64 data0, u64 data1)
491{
492 struct ivpu_mmu_queue *cmdq = &vdev->mmu->cmdq;
493 u64 *queue_buffer = cmdq->base;
494 int idx = IVPU_MMU_Q_IDX(cmdq->prod) * (IVPU_MMU_CMDQ_CMD_SIZE / sizeof(*queue_buffer));
495
496 if (ivpu_mmu_queue_is_full(cmdq)) {
497 ivpu_err(vdev, "Failed to write MMU CMD %s\n", name);
498 return -EBUSY;
499 }
500
501 queue_buffer[idx] = data0;
502 queue_buffer[idx + 1] = data1;
503 cmdq->prod = (cmdq->prod + 1) & IVPU_MMU_Q_WRAP_MASK;
504
505 ivpu_dbg(vdev, MMU, "CMD write: %s data: 0x%llx 0x%llx\n", name, data0, data1);
506
507 return 0;
508}
509
510static int ivpu_mmu_cmdq_sync(struct ivpu_device *vdev)
511{
512 struct ivpu_mmu_queue *q = &vdev->mmu->cmdq;
513 u64 val;
514 int ret;
515
516 val = FIELD_PREP(IVPU_MMU_CMD_OPCODE, CMD_SYNC);
517
518 ret = ivpu_mmu_cmdq_cmd_write(vdev, "SYNC", val, 0);
519 if (ret)
520 return ret;
521
522 clflush_cache_range(q->base, IVPU_MMU_CMDQ_SIZE);
523 REGV_WR32(IVPU_MMU_REG_CMDQ_PROD, q->prod);
524
525 ret = ivpu_mmu_cmdq_wait_for_cons(vdev);
526 if (ret) {
527 u32 err;
528
529 val = REGV_RD32(IVPU_MMU_REG_CMDQ_CONS);
530 err = REG_GET_FLD(IVPU_MMU_REG_CMDQ_CONS, ERR, val);
531
532 ivpu_err(vdev, "Timed out waiting for MMU consumer: %d, error: %s\n", ret,
533 ivpu_mmu_cmdq_err_to_str(err));
534 ivpu_hw_diagnose_failure(vdev);
535 }
536
537 return ret;
538}
539
540static int ivpu_mmu_cmdq_write_cfgi_all(struct ivpu_device *vdev)
541{
542 u64 data0 = FIELD_PREP(IVPU_MMU_CMD_OPCODE, CMD_CFGI_ALL);
543 u64 data1 = FIELD_PREP(IVPU_MMU_CMD_CFGI_1_RANGE, 0x1f);
544
545 return ivpu_mmu_cmdq_cmd_write(vdev, "CFGI_ALL", data0, data1);
546}
547
548static int ivpu_mmu_cmdq_write_tlbi_nh_asid(struct ivpu_device *vdev, u16 ssid)
549{
550 u64 val = FIELD_PREP(IVPU_MMU_CMD_OPCODE, CMD_TLBI_NH_ASID) |
551 FIELD_PREP(IVPU_MMU_CMD_TLBI_0_ASID, ssid);
552
553 return ivpu_mmu_cmdq_cmd_write(vdev, "TLBI_NH_ASID", val, 0);
554}
555
556static int ivpu_mmu_cmdq_write_tlbi_nsnh_all(struct ivpu_device *vdev)
557{
558 u64 val = FIELD_PREP(IVPU_MMU_CMD_OPCODE, CMD_TLBI_NSNH_ALL);
559
560 return ivpu_mmu_cmdq_cmd_write(vdev, "TLBI_NSNH_ALL", val, 0);
561}
562
563static int ivpu_mmu_reset(struct ivpu_device *vdev)
564{
565 struct ivpu_mmu_info *mmu = vdev->mmu;
566 u32 val;
567 int ret;
568
569 memset(mmu->cmdq.base, 0, IVPU_MMU_CMDQ_SIZE);
570 clflush_cache_range(mmu->cmdq.base, IVPU_MMU_CMDQ_SIZE);
571 mmu->cmdq.prod = 0;
572 mmu->cmdq.cons = 0;
573
574 memset(mmu->evtq.base, 0, IVPU_MMU_EVTQ_SIZE);
575 mmu->evtq.prod = 0;
576 mmu->evtq.cons = 0;
577
578 ret = ivpu_mmu_reg_write_cr0(vdev, 0);
579 if (ret)
580 return ret;
581
582 val = FIELD_PREP(IVPU_MMU_CR1_TABLE_SH, IVPU_MMU_SH_ISH) |
583 FIELD_PREP(IVPU_MMU_CR1_TABLE_OC, IVPU_MMU_CACHE_WB) |
584 FIELD_PREP(IVPU_MMU_CR1_TABLE_IC, IVPU_MMU_CACHE_WB) |
585 FIELD_PREP(IVPU_MMU_CR1_QUEUE_SH, IVPU_MMU_SH_ISH) |
586 FIELD_PREP(IVPU_MMU_CR1_QUEUE_OC, IVPU_MMU_CACHE_WB) |
587 FIELD_PREP(IVPU_MMU_CR1_QUEUE_IC, IVPU_MMU_CACHE_WB);
588 REGV_WR32(IVPU_MMU_REG_CR1, val);
589
590 REGV_WR64(IVPU_MMU_REG_STRTAB_BASE, mmu->strtab.dma_q);
591 REGV_WR32(IVPU_MMU_REG_STRTAB_BASE_CFG, mmu->strtab.base_cfg);
592
593 REGV_WR64(IVPU_MMU_REG_CMDQ_BASE, mmu->cmdq.dma_q);
594 REGV_WR32(IVPU_MMU_REG_CMDQ_PROD, 0);
595 REGV_WR32(IVPU_MMU_REG_CMDQ_CONS, 0);
596
597 val = IVPU_MMU_CR0_CMDQEN;
598 ret = ivpu_mmu_reg_write_cr0(vdev, val);
599 if (ret)
600 return ret;
601
602 ret = ivpu_mmu_cmdq_write_cfgi_all(vdev);
603 if (ret)
604 return ret;
605
606 ret = ivpu_mmu_cmdq_write_tlbi_nsnh_all(vdev);
607 if (ret)
608 return ret;
609
610 ret = ivpu_mmu_cmdq_sync(vdev);
611 if (ret)
612 return ret;
613
614 REGV_WR64(IVPU_MMU_REG_EVTQ_BASE, mmu->evtq.dma_q);
615 REGV_WR32(IVPU_MMU_REG_EVTQ_PROD_SEC, 0);
616 REGV_WR32(IVPU_MMU_REG_EVTQ_CONS_SEC, 0);
617
618 val |= IVPU_MMU_CR0_EVTQEN;
619 ret = ivpu_mmu_reg_write_cr0(vdev, val);
620 if (ret)
621 return ret;
622
623 val |= IVPU_MMU_CR0_ATSCHK;
624 ret = ivpu_mmu_reg_write_cr0(vdev, val);
625 if (ret)
626 return ret;
627
628 ret = ivpu_mmu_irqs_setup(vdev);
629 if (ret)
630 return ret;
631
632 val |= IVPU_MMU_CR0_SMMUEN;
633 return ivpu_mmu_reg_write_cr0(vdev, val);
634}
635
636static void ivpu_mmu_strtab_link_cd(struct ivpu_device *vdev, u32 sid)
637{
638 struct ivpu_mmu_info *mmu = vdev->mmu;
639 struct ivpu_mmu_strtab *strtab = &mmu->strtab;
640 struct ivpu_mmu_cdtab *cdtab = &mmu->cdtab;
641 u64 *entry = strtab->base + (sid * IVPU_MMU_STRTAB_ENT_SIZE);
642 u64 str[2];
643
644 str[0] = FIELD_PREP(IVPU_MMU_STE_0_CFG, IVPU_MMU_STE_0_CFG_S1_TRANS) |
645 FIELD_PREP(IVPU_MMU_STE_0_S1CDMAX, IVPU_MMU_CDTAB_ENT_COUNT_LOG2) |
646 FIELD_PREP(IVPU_MMU_STE_0_S1FMT, IVPU_MMU_STE_0_S1FMT_LINEAR) |
647 IVPU_MMU_STE_0_V |
648 (cdtab->dma & IVPU_MMU_STE_0_S1CTXPTR_MASK);
649
650 str[1] = FIELD_PREP(IVPU_MMU_STE_1_S1DSS, IVPU_MMU_STE_1_S1DSS_TERMINATE) |
651 FIELD_PREP(IVPU_MMU_STE_1_S1CIR, IVPU_MMU_STE_1_S1C_CACHE_NC) |
652 FIELD_PREP(IVPU_MMU_STE_1_S1COR, IVPU_MMU_STE_1_S1C_CACHE_NC) |
653 FIELD_PREP(IVPU_MMU_STE_1_S1CSH, IVPU_MMU_SH_NSH) |
654 FIELD_PREP(IVPU_MMU_STE_1_PRIVCFG, IVPU_MMU_STE_1_PRIVCFG_UNPRIV) |
655 FIELD_PREP(IVPU_MMU_STE_1_INSTCFG, IVPU_MMU_STE_1_INSTCFG_DATA) |
656 FIELD_PREP(IVPU_MMU_STE_1_STRW, IVPU_MMU_STE_1_STRW_NSEL1) |
657 FIELD_PREP(IVPU_MMU_STE_1_CONT, IVPU_MMU_STRTAB_CFG_LOG2SIZE) |
658 IVPU_MMU_STE_1_MEV |
659 IVPU_MMU_STE_1_S1STALLD;
660
661 WRITE_ONCE(entry[1], str[1]);
662 WRITE_ONCE(entry[0], str[0]);
663
664 clflush_cache_range(entry, IVPU_MMU_STRTAB_ENT_SIZE);
665
666 ivpu_dbg(vdev, MMU, "STRTAB write entry (SSID=%u): 0x%llx, 0x%llx\n", sid, str[0], str[1]);
667}
668
669static int ivpu_mmu_strtab_init(struct ivpu_device *vdev)
670{
671 ivpu_mmu_strtab_link_cd(vdev, IVPU_MMU_STREAM_ID0);
672 ivpu_mmu_strtab_link_cd(vdev, IVPU_MMU_STREAM_ID3);
673
674 return 0;
675}
676
677int ivpu_mmu_invalidate_tlb(struct ivpu_device *vdev, u16 ssid)
678{
679 struct ivpu_mmu_info *mmu = vdev->mmu;
680 int ret = 0;
681
682 mutex_lock(&mmu->lock);
683 if (!mmu->on)
684 goto unlock;
685
686 ret = ivpu_mmu_cmdq_write_tlbi_nh_asid(vdev, ssid);
687 if (ret)
688 goto unlock;
689
690 ret = ivpu_mmu_cmdq_sync(vdev);
691unlock:
692 mutex_unlock(&mmu->lock);
693 return ret;
694}
695
696static int ivpu_mmu_cd_add(struct ivpu_device *vdev, u32 ssid, u64 cd_dma)
697{
698 struct ivpu_mmu_info *mmu = vdev->mmu;
699 struct ivpu_mmu_cdtab *cdtab = &mmu->cdtab;
700 u64 *entry;
701 u64 cd[4];
702 int ret = 0;
703
704 if (ssid > IVPU_MMU_CDTAB_ENT_COUNT)
705 return -EINVAL;
706
707 entry = cdtab->base + (ssid * IVPU_MMU_CDTAB_ENT_SIZE);
708
709 if (cd_dma != 0) {
710 cd[0] = FIELD_PREP(IVPU_MMU_CD_0_TCR_T0SZ, IVPU_MMU_T0SZ_48BIT) |
711 FIELD_PREP(IVPU_MMU_CD_0_TCR_TG0, 0) |
712 FIELD_PREP(IVPU_MMU_CD_0_TCR_IRGN0, 0) |
713 FIELD_PREP(IVPU_MMU_CD_0_TCR_ORGN0, 0) |
714 FIELD_PREP(IVPU_MMU_CD_0_TCR_SH0, 0) |
715 FIELD_PREP(IVPU_MMU_CD_0_TCR_IPS, IVPU_MMU_IPS_48BIT) |
716 FIELD_PREP(IVPU_MMU_CD_0_ASID, ssid) |
717 IVPU_MMU_CD_0_TCR_EPD1 |
718 IVPU_MMU_CD_0_AA64 |
719 IVPU_MMU_CD_0_R |
720 IVPU_MMU_CD_0_ASET |
721 IVPU_MMU_CD_0_V;
722 cd[1] = cd_dma & IVPU_MMU_CD_1_TTB0_MASK;
723 cd[2] = 0;
724 cd[3] = 0x0000000000007444;
725
726 /* For global context generate memory fault on VPU */
727 if (ssid == IVPU_GLOBAL_CONTEXT_MMU_SSID)
728 cd[0] |= IVPU_MMU_CD_0_A;
729 } else {
730 memset(cd, 0, sizeof(cd));
731 }
732
733 WRITE_ONCE(entry[1], cd[1]);
734 WRITE_ONCE(entry[2], cd[2]);
735 WRITE_ONCE(entry[3], cd[3]);
736 WRITE_ONCE(entry[0], cd[0]);
737
738 clflush_cache_range(entry, IVPU_MMU_CDTAB_ENT_SIZE);
739
740 ivpu_dbg(vdev, MMU, "CDTAB %s entry (SSID=%u, dma=%pad): 0x%llx, 0x%llx, 0x%llx, 0x%llx\n",
741 cd_dma ? "write" : "clear", ssid, &cd_dma, cd[0], cd[1], cd[2], cd[3]);
742
743 mutex_lock(&mmu->lock);
744 if (!mmu->on)
745 goto unlock;
746
747 ret = ivpu_mmu_cmdq_write_cfgi_all(vdev);
748 if (ret)
749 goto unlock;
750
751 ret = ivpu_mmu_cmdq_sync(vdev);
752unlock:
753 mutex_unlock(&mmu->lock);
754 return ret;
755}
756
757static int ivpu_mmu_cd_add_gbl(struct ivpu_device *vdev)
758{
759 int ret;
760
761 ret = ivpu_mmu_cd_add(vdev, 0, vdev->gctx.pgtable.pgd_dma);
762 if (ret)
763 ivpu_err(vdev, "Failed to add global CD entry: %d\n", ret);
764
765 return ret;
766}
767
768static int ivpu_mmu_cd_add_user(struct ivpu_device *vdev, u32 ssid, dma_addr_t cd_dma)
769{
770 int ret;
771
772 if (ssid == 0) {
773 ivpu_err(vdev, "Invalid SSID: %u\n", ssid);
774 return -EINVAL;
775 }
776
777 ret = ivpu_mmu_cd_add(vdev, ssid, cd_dma);
778 if (ret)
779 ivpu_err(vdev, "Failed to add CD entry SSID=%u: %d\n", ssid, ret);
780
781 return ret;
782}
783
784int ivpu_mmu_init(struct ivpu_device *vdev)
785{
786 struct ivpu_mmu_info *mmu = vdev->mmu;
787 int ret;
788
789 ivpu_dbg(vdev, MMU, "Init..\n");
790
791 ivpu_mmu_config_check(vdev);
792
793 ret = drmm_mutex_init(&vdev->drm, &mmu->lock);
794 if (ret)
795 return ret;
796
797 ret = ivpu_mmu_structs_alloc(vdev);
798 if (ret)
799 return ret;
800
801 ret = ivpu_mmu_strtab_init(vdev);
802 if (ret) {
803 ivpu_err(vdev, "Failed to initialize strtab: %d\n", ret);
804 return ret;
805 }
806
807 ret = ivpu_mmu_cd_add_gbl(vdev);
808 if (ret) {
809 ivpu_err(vdev, "Failed to initialize strtab: %d\n", ret);
810 return ret;
811 }
812
813 ret = ivpu_mmu_enable(vdev);
814 if (ret) {
815 ivpu_err(vdev, "Failed to resume MMU: %d\n", ret);
816 return ret;
817 }
818
819 ivpu_dbg(vdev, MMU, "Init done\n");
820
821 return 0;
822}
823
824int ivpu_mmu_enable(struct ivpu_device *vdev)
825{
826 struct ivpu_mmu_info *mmu = vdev->mmu;
827 int ret;
828
829 mutex_lock(&mmu->lock);
830
831 mmu->on = true;
832
833 ret = ivpu_mmu_reset(vdev);
834 if (ret) {
835 ivpu_err(vdev, "Failed to reset MMU: %d\n", ret);
836 goto err;
837 }
838
839 ret = ivpu_mmu_cmdq_write_cfgi_all(vdev);
840 if (ret)
841 goto err;
842
843 ret = ivpu_mmu_cmdq_write_tlbi_nsnh_all(vdev);
844 if (ret)
845 goto err;
846
847 ret = ivpu_mmu_cmdq_sync(vdev);
848 if (ret)
849 goto err;
850
851 mutex_unlock(&mmu->lock);
852
853 return 0;
854err:
855 mmu->on = false;
856 mutex_unlock(&mmu->lock);
857 return ret;
858}
859
860void ivpu_mmu_disable(struct ivpu_device *vdev)
861{
862 struct ivpu_mmu_info *mmu = vdev->mmu;
863
864 mutex_lock(&mmu->lock);
865 mmu->on = false;
866 mutex_unlock(&mmu->lock);
867}
868
869static void ivpu_mmu_dump_event(struct ivpu_device *vdev, u32 *event)
870{
871 u32 ssid = FIELD_GET(IVPU_MMU_EVT_SSID_MASK, event[0]);
872 u32 op = FIELD_GET(IVPU_MMU_EVT_OP_MASK, event[0]);
873 u64 fetch_addr = ((u64)event[7]) << 32 | event[6];
874 u64 in_addr = ((u64)event[5]) << 32 | event[4];
875 u32 sid = event[1];
876
877 ivpu_err(vdev, "MMU EVTQ: 0x%x (%s) SSID: %d SID: %d, e[2] %08x, e[3] %08x, in addr: 0x%llx, fetch addr: 0x%llx\n",
878 op, ivpu_mmu_event_to_str(op), ssid, sid, event[2], event[3], in_addr, fetch_addr);
879}
880
881static u32 *ivpu_mmu_get_event(struct ivpu_device *vdev)
882{
883 struct ivpu_mmu_queue *evtq = &vdev->mmu->evtq;
884 u32 idx = IVPU_MMU_Q_IDX(evtq->cons);
885 u32 *evt = evtq->base + (idx * IVPU_MMU_EVTQ_CMD_SIZE);
886
887 evtq->prod = REGV_RD32(IVPU_MMU_REG_EVTQ_PROD_SEC);
888 if (ivpu_mmu_queue_is_empty(evtq))
889 return NULL;
890
891 evtq->cons = (evtq->cons + 1) & IVPU_MMU_Q_WRAP_MASK;
892 return evt;
893}
894
895void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev)
896{
897 u32 *event;
898 u32 ssid;
899
900 ivpu_dbg(vdev, IRQ, "MMU event queue\n");
901
902 while ((event = ivpu_mmu_get_event(vdev)) != NULL) {
903 ivpu_mmu_dump_event(vdev, event);
904
905 ssid = FIELD_GET(IVPU_MMU_EVT_SSID_MASK, event[0]);
906 if (ssid == IVPU_GLOBAL_CONTEXT_MMU_SSID) {
907 ivpu_pm_trigger_recovery(vdev, "MMU event");
908 return;
909 }
910
911 ivpu_mmu_user_context_mark_invalid(vdev, ssid);
912 REGV_WR32(IVPU_MMU_REG_EVTQ_CONS_SEC, vdev->mmu->evtq.cons);
913 }
914}
915
916void ivpu_mmu_evtq_dump(struct ivpu_device *vdev)
917{
918 u32 *event;
919
920 while ((event = ivpu_mmu_get_event(vdev)) != NULL)
921 ivpu_mmu_dump_event(vdev, event);
922}
923
924void ivpu_mmu_irq_gerr_handler(struct ivpu_device *vdev)
925{
926 u32 gerror_val, gerrorn_val, active;
927
928 ivpu_dbg(vdev, IRQ, "MMU error\n");
929
930 gerror_val = REGV_RD32(IVPU_MMU_REG_GERROR);
931 gerrorn_val = REGV_RD32(IVPU_MMU_REG_GERRORN);
932
933 active = gerror_val ^ gerrorn_val;
934 if (!(active & IVPU_MMU_GERROR_ERR_MASK))
935 return;
936
937 if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, MSI_ABT, active))
938 ivpu_warn_ratelimited(vdev, "MMU MSI ABT write aborted\n");
939
940 if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, MSI_PRIQ_ABT, active))
941 ivpu_warn_ratelimited(vdev, "MMU PRIQ MSI ABT write aborted\n");
942
943 if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, MSI_EVTQ_ABT, active))
944 ivpu_warn_ratelimited(vdev, "MMU EVTQ MSI ABT write aborted\n");
945
946 if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, MSI_CMDQ_ABT, active))
947 ivpu_warn_ratelimited(vdev, "MMU CMDQ MSI ABT write aborted\n");
948
949 if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, PRIQ_ABT, active))
950 ivpu_err_ratelimited(vdev, "MMU PRIQ write aborted\n");
951
952 if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, EVTQ_ABT, active))
953 ivpu_err_ratelimited(vdev, "MMU EVTQ write aborted\n");
954
955 if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, CMDQ, active))
956 ivpu_err_ratelimited(vdev, "MMU CMDQ write aborted\n");
957
958 REGV_WR32(IVPU_MMU_REG_GERRORN, gerror_val);
959}
960
961int ivpu_mmu_set_pgtable(struct ivpu_device *vdev, int ssid, struct ivpu_mmu_pgtable *pgtable)
962{
963 return ivpu_mmu_cd_add_user(vdev, ssid, pgtable->pgd_dma);
964}
965
966void ivpu_mmu_clear_pgtable(struct ivpu_device *vdev, int ssid)
967{
968 ivpu_mmu_cd_add_user(vdev, ssid, 0); /* 0 will clear CD entry */
969}