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![Jacek Lawrynowicz](/assets/img/avatar_default.png)
ivpu_bo_remove_all_bos_from_context() could race with ivpu_bo_free() when prime buffer was closed after vpu device was closed. Move the bo_list from context to vdev and use a dedicated lock to sync it. This list is not modified when BO is added/removed from a context. Also rename ivpu_bo_free_vpu_addr() to ivpu_bo_unbind() because this function does more then just free vpu_addr. Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231031073156.1301669-3-stanislaw.gruszka@linux.intel.com
953 lines
27 KiB
C
953 lines
27 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2020-2023 Intel Corporation
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*/
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#include <linux/circ_buf.h>
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#include <linux/highmem.h>
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#include "ivpu_drv.h"
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#include "ivpu_hw_reg_io.h"
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#include "ivpu_mmu.h"
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#include "ivpu_mmu_context.h"
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#include "ivpu_pm.h"
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#define IVPU_MMU_REG_IDR0 0x00200000u
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#define IVPU_MMU_REG_IDR1 0x00200004u
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#define IVPU_MMU_REG_IDR3 0x0020000cu
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#define IVPU_MMU_REG_IDR5 0x00200014u
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#define IVPU_MMU_REG_CR0 0x00200020u
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#define IVPU_MMU_REG_CR0ACK 0x00200024u
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#define IVPU_MMU_REG_CR0ACK_VAL_MASK GENMASK(31, 0)
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#define IVPU_MMU_REG_CR1 0x00200028u
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#define IVPU_MMU_REG_CR2 0x0020002cu
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#define IVPU_MMU_REG_IRQ_CTRL 0x00200050u
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#define IVPU_MMU_REG_IRQ_CTRLACK 0x00200054u
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#define IVPU_MMU_REG_IRQ_CTRLACK_VAL_MASK GENMASK(31, 0)
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#define IVPU_MMU_REG_GERROR 0x00200060u
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#define IVPU_MMU_REG_GERROR_CMDQ_MASK BIT_MASK(0)
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#define IVPU_MMU_REG_GERROR_EVTQ_ABT_MASK BIT_MASK(2)
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#define IVPU_MMU_REG_GERROR_PRIQ_ABT_MASK BIT_MASK(3)
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#define IVPU_MMU_REG_GERROR_MSI_CMDQ_ABT_MASK BIT_MASK(4)
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#define IVPU_MMU_REG_GERROR_MSI_EVTQ_ABT_MASK BIT_MASK(5)
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#define IVPU_MMU_REG_GERROR_MSI_PRIQ_ABT_MASK BIT_MASK(6)
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#define IVPU_MMU_REG_GERROR_MSI_ABT_MASK BIT_MASK(7)
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#define IVPU_MMU_REG_GERRORN 0x00200064u
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#define IVPU_MMU_REG_STRTAB_BASE 0x00200080u
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#define IVPU_MMU_REG_STRTAB_BASE_CFG 0x00200088u
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#define IVPU_MMU_REG_CMDQ_BASE 0x00200090u
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#define IVPU_MMU_REG_CMDQ_PROD 0x00200098u
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#define IVPU_MMU_REG_CMDQ_CONS 0x0020009cu
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#define IVPU_MMU_REG_CMDQ_CONS_VAL_MASK GENMASK(23, 0)
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#define IVPU_MMU_REG_CMDQ_CONS_ERR_MASK GENMASK(30, 24)
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#define IVPU_MMU_REG_EVTQ_BASE 0x002000a0u
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#define IVPU_MMU_REG_EVTQ_PROD 0x002000a8u
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#define IVPU_MMU_REG_EVTQ_CONS 0x002000acu
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#define IVPU_MMU_REG_EVTQ_PROD_SEC (0x002000a8u + SZ_64K)
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#define IVPU_MMU_REG_EVTQ_CONS_SEC (0x002000acu + SZ_64K)
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#define IVPU_MMU_IDR0_REF 0x080f3e0f
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#define IVPU_MMU_IDR0_REF_SIMICS 0x080f3e1f
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#define IVPU_MMU_IDR1_REF 0x0e739d18
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#define IVPU_MMU_IDR3_REF 0x0000003c
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#define IVPU_MMU_IDR5_REF 0x00040070
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#define IVPU_MMU_IDR5_REF_SIMICS 0x00000075
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#define IVPU_MMU_IDR5_REF_FPGA 0x00800075
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#define IVPU_MMU_CDTAB_ENT_SIZE 64
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#define IVPU_MMU_CDTAB_ENT_COUNT_LOG2 8 /* 256 entries */
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#define IVPU_MMU_CDTAB_ENT_COUNT ((u32)1 << IVPU_MMU_CDTAB_ENT_COUNT_LOG2)
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#define IVPU_MMU_STREAM_ID0 0
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#define IVPU_MMU_STREAM_ID3 3
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#define IVPU_MMU_STRTAB_ENT_SIZE 64
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#define IVPU_MMU_STRTAB_ENT_COUNT 4
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#define IVPU_MMU_STRTAB_CFG_LOG2SIZE 2
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#define IVPU_MMU_STRTAB_CFG IVPU_MMU_STRTAB_CFG_LOG2SIZE
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#define IVPU_MMU_Q_COUNT_LOG2 4 /* 16 entries */
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#define IVPU_MMU_Q_COUNT ((u32)1 << IVPU_MMU_Q_COUNT_LOG2)
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#define IVPU_MMU_Q_WRAP_BIT (IVPU_MMU_Q_COUNT << 1)
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#define IVPU_MMU_Q_WRAP_MASK (IVPU_MMU_Q_WRAP_BIT - 1)
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#define IVPU_MMU_Q_IDX_MASK (IVPU_MMU_Q_COUNT - 1)
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#define IVPU_MMU_Q_IDX(val) ((val) & IVPU_MMU_Q_IDX_MASK)
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#define IVPU_MMU_CMDQ_CMD_SIZE 16
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#define IVPU_MMU_CMDQ_SIZE (IVPU_MMU_Q_COUNT * IVPU_MMU_CMDQ_CMD_SIZE)
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#define IVPU_MMU_EVTQ_CMD_SIZE 32
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#define IVPU_MMU_EVTQ_SIZE (IVPU_MMU_Q_COUNT * IVPU_MMU_EVTQ_CMD_SIZE)
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#define IVPU_MMU_CMD_OPCODE GENMASK(7, 0)
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#define IVPU_MMU_CMD_SYNC_0_CS GENMASK(13, 12)
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#define IVPU_MMU_CMD_SYNC_0_MSH GENMASK(23, 22)
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#define IVPU_MMU_CMD_SYNC_0_MSI_ATTR GENMASK(27, 24)
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#define IVPU_MMU_CMD_SYNC_0_MSI_ATTR GENMASK(27, 24)
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#define IVPU_MMU_CMD_SYNC_0_MSI_DATA GENMASK(63, 32)
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#define IVPU_MMU_CMD_CFGI_0_SSEC BIT(10)
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#define IVPU_MMU_CMD_CFGI_0_SSV BIT(11)
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#define IVPU_MMU_CMD_CFGI_0_SSID GENMASK(31, 12)
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#define IVPU_MMU_CMD_CFGI_0_SID GENMASK(63, 32)
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#define IVPU_MMU_CMD_CFGI_1_RANGE GENMASK(4, 0)
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#define IVPU_MMU_CMD_TLBI_0_ASID GENMASK(63, 48)
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#define IVPU_MMU_CMD_TLBI_0_VMID GENMASK(47, 32)
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#define CMD_PREFETCH_CFG 0x1
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#define CMD_CFGI_STE 0x3
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#define CMD_CFGI_ALL 0x4
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#define CMD_CFGI_CD 0x5
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#define CMD_CFGI_CD_ALL 0x6
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#define CMD_TLBI_NH_ASID 0x11
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#define CMD_TLBI_EL2_ALL 0x20
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#define CMD_TLBI_NSNH_ALL 0x30
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#define CMD_SYNC 0x46
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#define IVPU_MMU_EVT_F_UUT 0x01
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#define IVPU_MMU_EVT_C_BAD_STREAMID 0x02
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#define IVPU_MMU_EVT_F_STE_FETCH 0x03
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#define IVPU_MMU_EVT_C_BAD_STE 0x04
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#define IVPU_MMU_EVT_F_BAD_ATS_TREQ 0x05
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#define IVPU_MMU_EVT_F_STREAM_DISABLED 0x06
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#define IVPU_MMU_EVT_F_TRANSL_FORBIDDEN 0x07
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#define IVPU_MMU_EVT_C_BAD_SUBSTREAMID 0x08
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#define IVPU_MMU_EVT_F_CD_FETCH 0x09
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#define IVPU_MMU_EVT_C_BAD_CD 0x0a
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#define IVPU_MMU_EVT_F_WALK_EABT 0x0b
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#define IVPU_MMU_EVT_F_TRANSLATION 0x10
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#define IVPU_MMU_EVT_F_ADDR_SIZE 0x11
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#define IVPU_MMU_EVT_F_ACCESS 0x12
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#define IVPU_MMU_EVT_F_PERMISSION 0x13
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#define IVPU_MMU_EVT_F_TLB_CONFLICT 0x20
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#define IVPU_MMU_EVT_F_CFG_CONFLICT 0x21
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#define IVPU_MMU_EVT_E_PAGE_REQUEST 0x24
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#define IVPU_MMU_EVT_F_VMS_FETCH 0x25
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#define IVPU_MMU_EVT_OP_MASK GENMASK_ULL(7, 0)
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#define IVPU_MMU_EVT_SSID_MASK GENMASK_ULL(31, 12)
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#define IVPU_MMU_Q_BASE_RWA BIT(62)
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#define IVPU_MMU_Q_BASE_ADDR_MASK GENMASK_ULL(51, 5)
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#define IVPU_MMU_STRTAB_BASE_RA BIT(62)
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#define IVPU_MMU_STRTAB_BASE_ADDR_MASK GENMASK_ULL(51, 6)
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#define IVPU_MMU_IRQ_EVTQ_EN BIT(2)
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#define IVPU_MMU_IRQ_GERROR_EN BIT(0)
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#define IVPU_MMU_CR0_ATSCHK BIT(4)
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#define IVPU_MMU_CR0_CMDQEN BIT(3)
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#define IVPU_MMU_CR0_EVTQEN BIT(2)
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#define IVPU_MMU_CR0_PRIQEN BIT(1)
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#define IVPU_MMU_CR0_SMMUEN BIT(0)
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#define IVPU_MMU_CR1_TABLE_SH GENMASK(11, 10)
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#define IVPU_MMU_CR1_TABLE_OC GENMASK(9, 8)
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#define IVPU_MMU_CR1_TABLE_IC GENMASK(7, 6)
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#define IVPU_MMU_CR1_QUEUE_SH GENMASK(5, 4)
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#define IVPU_MMU_CR1_QUEUE_OC GENMASK(3, 2)
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#define IVPU_MMU_CR1_QUEUE_IC GENMASK(1, 0)
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#define IVPU_MMU_CACHE_NC 0
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#define IVPU_MMU_CACHE_WB 1
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#define IVPU_MMU_CACHE_WT 2
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#define IVPU_MMU_SH_NSH 0
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#define IVPU_MMU_SH_OSH 2
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#define IVPU_MMU_SH_ISH 3
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#define IVPU_MMU_CMDQ_OP GENMASK_ULL(7, 0)
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#define IVPU_MMU_CD_0_TCR_T0SZ GENMASK_ULL(5, 0)
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#define IVPU_MMU_CD_0_TCR_TG0 GENMASK_ULL(7, 6)
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#define IVPU_MMU_CD_0_TCR_IRGN0 GENMASK_ULL(9, 8)
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#define IVPU_MMU_CD_0_TCR_ORGN0 GENMASK_ULL(11, 10)
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#define IVPU_MMU_CD_0_TCR_SH0 GENMASK_ULL(13, 12)
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#define IVPU_MMU_CD_0_TCR_EPD0 BIT_ULL(14)
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#define IVPU_MMU_CD_0_TCR_EPD1 BIT_ULL(30)
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#define IVPU_MMU_CD_0_ENDI BIT(15)
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#define IVPU_MMU_CD_0_V BIT(31)
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#define IVPU_MMU_CD_0_TCR_IPS GENMASK_ULL(34, 32)
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#define IVPU_MMU_CD_0_TCR_TBI0 BIT_ULL(38)
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#define IVPU_MMU_CD_0_AA64 BIT(41)
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#define IVPU_MMU_CD_0_S BIT(44)
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#define IVPU_MMU_CD_0_R BIT(45)
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#define IVPU_MMU_CD_0_A BIT(46)
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#define IVPU_MMU_CD_0_ASET BIT(47)
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#define IVPU_MMU_CD_0_ASID GENMASK_ULL(63, 48)
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#define IVPU_MMU_T0SZ_48BIT 16
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#define IVPU_MMU_T0SZ_38BIT 26
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#define IVPU_MMU_IPS_48BIT 5
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#define IVPU_MMU_IPS_44BIT 4
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#define IVPU_MMU_IPS_42BIT 3
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#define IVPU_MMU_IPS_40BIT 2
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#define IVPU_MMU_IPS_36BIT 1
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#define IVPU_MMU_IPS_32BIT 0
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#define IVPU_MMU_CD_1_TTB0_MASK GENMASK_ULL(51, 4)
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#define IVPU_MMU_STE_0_S1CDMAX GENMASK_ULL(63, 59)
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#define IVPU_MMU_STE_0_S1FMT GENMASK_ULL(5, 4)
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#define IVPU_MMU_STE_0_S1FMT_LINEAR 0
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#define IVPU_MMU_STE_DWORDS 8
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#define IVPU_MMU_STE_0_CFG_S1_TRANS 5
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#define IVPU_MMU_STE_0_CFG GENMASK_ULL(3, 1)
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#define IVPU_MMU_STE_0_S1CTXPTR_MASK GENMASK_ULL(51, 6)
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#define IVPU_MMU_STE_0_V BIT(0)
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#define IVPU_MMU_STE_1_STRW_NSEL1 0ul
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#define IVPU_MMU_STE_1_CONT GENMASK_ULL(16, 13)
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#define IVPU_MMU_STE_1_STRW GENMASK_ULL(31, 30)
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#define IVPU_MMU_STE_1_PRIVCFG GENMASK_ULL(49, 48)
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#define IVPU_MMU_STE_1_PRIVCFG_UNPRIV 2ul
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#define IVPU_MMU_STE_1_INSTCFG GENMASK_ULL(51, 50)
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#define IVPU_MMU_STE_1_INSTCFG_DATA 2ul
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#define IVPU_MMU_STE_1_MEV BIT(19)
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#define IVPU_MMU_STE_1_S1STALLD BIT(27)
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#define IVPU_MMU_STE_1_S1C_CACHE_NC 0ul
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#define IVPU_MMU_STE_1_S1C_CACHE_WBRA 1ul
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#define IVPU_MMU_STE_1_S1C_CACHE_WT 2ul
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#define IVPU_MMU_STE_1_S1C_CACHE_WB 3ul
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#define IVPU_MMU_STE_1_S1CIR GENMASK_ULL(3, 2)
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#define IVPU_MMU_STE_1_S1COR GENMASK_ULL(5, 4)
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#define IVPU_MMU_STE_1_S1CSH GENMASK_ULL(7, 6)
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#define IVPU_MMU_STE_1_S1DSS GENMASK_ULL(1, 0)
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#define IVPU_MMU_STE_1_S1DSS_TERMINATE 0x0
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#define IVPU_MMU_REG_TIMEOUT_US (10 * USEC_PER_MSEC)
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#define IVPU_MMU_QUEUE_TIMEOUT_US (100 * USEC_PER_MSEC)
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#define IVPU_MMU_GERROR_ERR_MASK ((REG_FLD(IVPU_MMU_REG_GERROR, CMDQ)) | \
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(REG_FLD(IVPU_MMU_REG_GERROR, EVTQ_ABT)) | \
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(REG_FLD(IVPU_MMU_REG_GERROR, PRIQ_ABT)) | \
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(REG_FLD(IVPU_MMU_REG_GERROR, MSI_CMDQ_ABT)) | \
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(REG_FLD(IVPU_MMU_REG_GERROR, MSI_EVTQ_ABT)) | \
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(REG_FLD(IVPU_MMU_REG_GERROR, MSI_PRIQ_ABT)) | \
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(REG_FLD(IVPU_MMU_REG_GERROR, MSI_ABT)))
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#define IVPU_MMU_CERROR_NONE 0x0
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#define IVPU_MMU_CERROR_ILL 0x1
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#define IVPU_MMU_CERROR_ABT 0x2
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#define IVPU_MMU_CERROR_ATC_INV_SYNC 0x3
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static const char *ivpu_mmu_event_to_str(u32 cmd)
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{
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switch (cmd) {
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case IVPU_MMU_EVT_F_UUT:
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return "Unsupported Upstream Transaction";
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case IVPU_MMU_EVT_C_BAD_STREAMID:
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return "Transaction StreamID out of range";
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case IVPU_MMU_EVT_F_STE_FETCH:
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return "Fetch of STE caused external abort";
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case IVPU_MMU_EVT_C_BAD_STE:
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return "Used STE invalid";
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case IVPU_MMU_EVT_F_BAD_ATS_TREQ:
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return "Address Request disallowed for a StreamID";
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case IVPU_MMU_EVT_F_STREAM_DISABLED:
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return "Transaction marks non-substream disabled";
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case IVPU_MMU_EVT_F_TRANSL_FORBIDDEN:
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return "MMU bypass is disallowed for this StreamID";
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case IVPU_MMU_EVT_C_BAD_SUBSTREAMID:
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return "Invalid StreamID";
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case IVPU_MMU_EVT_F_CD_FETCH:
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return "Fetch of CD caused external abort";
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case IVPU_MMU_EVT_C_BAD_CD:
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return "Fetched CD invalid";
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case IVPU_MMU_EVT_F_WALK_EABT:
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return " An external abort occurred fetching a TLB";
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case IVPU_MMU_EVT_F_TRANSLATION:
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return "Translation fault";
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case IVPU_MMU_EVT_F_ADDR_SIZE:
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return " Output address caused address size fault";
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case IVPU_MMU_EVT_F_ACCESS:
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return "Access flag fault";
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case IVPU_MMU_EVT_F_PERMISSION:
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return "Permission fault occurred on page access";
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case IVPU_MMU_EVT_F_TLB_CONFLICT:
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return "A TLB conflict";
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case IVPU_MMU_EVT_F_CFG_CONFLICT:
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return "A configuration cache conflict";
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case IVPU_MMU_EVT_E_PAGE_REQUEST:
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return "Page request hint from a client device";
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case IVPU_MMU_EVT_F_VMS_FETCH:
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return "Fetch of VMS caused external abort";
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default:
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return "Unknown CMDQ command";
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}
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}
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static const char *ivpu_mmu_cmdq_err_to_str(u32 err)
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{
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switch (err) {
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case IVPU_MMU_CERROR_NONE:
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return "No CMDQ Error";
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case IVPU_MMU_CERROR_ILL:
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return "Illegal command";
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case IVPU_MMU_CERROR_ABT:
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return "External abort on CMDQ read";
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case IVPU_MMU_CERROR_ATC_INV_SYNC:
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return "Sync failed to complete ATS invalidation";
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default:
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return "Unknown CMDQ Error";
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}
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}
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static void ivpu_mmu_config_check(struct ivpu_device *vdev)
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{
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u32 val_ref;
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u32 val;
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if (ivpu_is_simics(vdev))
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val_ref = IVPU_MMU_IDR0_REF_SIMICS;
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else
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val_ref = IVPU_MMU_IDR0_REF;
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val = REGV_RD32(IVPU_MMU_REG_IDR0);
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if (val != val_ref)
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ivpu_dbg(vdev, MMU, "IDR0 0x%x != IDR0_REF 0x%x\n", val, val_ref);
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val = REGV_RD32(IVPU_MMU_REG_IDR1);
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if (val != IVPU_MMU_IDR1_REF)
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ivpu_dbg(vdev, MMU, "IDR1 0x%x != IDR1_REF 0x%x\n", val, IVPU_MMU_IDR1_REF);
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val = REGV_RD32(IVPU_MMU_REG_IDR3);
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if (val != IVPU_MMU_IDR3_REF)
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ivpu_dbg(vdev, MMU, "IDR3 0x%x != IDR3_REF 0x%x\n", val, IVPU_MMU_IDR3_REF);
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if (ivpu_is_simics(vdev))
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val_ref = IVPU_MMU_IDR5_REF_SIMICS;
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else if (ivpu_is_fpga(vdev))
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val_ref = IVPU_MMU_IDR5_REF_FPGA;
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else
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val_ref = IVPU_MMU_IDR5_REF;
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val = REGV_RD32(IVPU_MMU_REG_IDR5);
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if (val != val_ref)
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ivpu_dbg(vdev, MMU, "IDR5 0x%x != IDR5_REF 0x%x\n", val, val_ref);
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}
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static int ivpu_mmu_cdtab_alloc(struct ivpu_device *vdev)
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{
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struct ivpu_mmu_info *mmu = vdev->mmu;
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struct ivpu_mmu_cdtab *cdtab = &mmu->cdtab;
|
|
size_t size = IVPU_MMU_CDTAB_ENT_COUNT * IVPU_MMU_CDTAB_ENT_SIZE;
|
|
|
|
cdtab->base = dmam_alloc_coherent(vdev->drm.dev, size, &cdtab->dma, GFP_KERNEL);
|
|
if (!cdtab->base)
|
|
return -ENOMEM;
|
|
|
|
ivpu_dbg(vdev, MMU, "CDTAB alloc: dma=%pad size=%zu\n", &cdtab->dma, size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ivpu_mmu_strtab_alloc(struct ivpu_device *vdev)
|
|
{
|
|
struct ivpu_mmu_info *mmu = vdev->mmu;
|
|
struct ivpu_mmu_strtab *strtab = &mmu->strtab;
|
|
size_t size = IVPU_MMU_STRTAB_ENT_COUNT * IVPU_MMU_STRTAB_ENT_SIZE;
|
|
|
|
strtab->base = dmam_alloc_coherent(vdev->drm.dev, size, &strtab->dma, GFP_KERNEL);
|
|
if (!strtab->base)
|
|
return -ENOMEM;
|
|
|
|
strtab->base_cfg = IVPU_MMU_STRTAB_CFG;
|
|
strtab->dma_q = IVPU_MMU_STRTAB_BASE_RA;
|
|
strtab->dma_q |= strtab->dma & IVPU_MMU_STRTAB_BASE_ADDR_MASK;
|
|
|
|
ivpu_dbg(vdev, MMU, "STRTAB alloc: dma=%pad dma_q=%pad size=%zu\n",
|
|
&strtab->dma, &strtab->dma_q, size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ivpu_mmu_cmdq_alloc(struct ivpu_device *vdev)
|
|
{
|
|
struct ivpu_mmu_info *mmu = vdev->mmu;
|
|
struct ivpu_mmu_queue *q = &mmu->cmdq;
|
|
|
|
q->base = dmam_alloc_coherent(vdev->drm.dev, IVPU_MMU_CMDQ_SIZE, &q->dma, GFP_KERNEL);
|
|
if (!q->base)
|
|
return -ENOMEM;
|
|
|
|
q->dma_q = IVPU_MMU_Q_BASE_RWA;
|
|
q->dma_q |= q->dma & IVPU_MMU_Q_BASE_ADDR_MASK;
|
|
q->dma_q |= IVPU_MMU_Q_COUNT_LOG2;
|
|
|
|
ivpu_dbg(vdev, MMU, "CMDQ alloc: dma=%pad dma_q=%pad size=%u\n",
|
|
&q->dma, &q->dma_q, IVPU_MMU_CMDQ_SIZE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ivpu_mmu_evtq_alloc(struct ivpu_device *vdev)
|
|
{
|
|
struct ivpu_mmu_info *mmu = vdev->mmu;
|
|
struct ivpu_mmu_queue *q = &mmu->evtq;
|
|
|
|
q->base = dmam_alloc_coherent(vdev->drm.dev, IVPU_MMU_EVTQ_SIZE, &q->dma, GFP_KERNEL);
|
|
if (!q->base)
|
|
return -ENOMEM;
|
|
|
|
q->dma_q = IVPU_MMU_Q_BASE_RWA;
|
|
q->dma_q |= q->dma & IVPU_MMU_Q_BASE_ADDR_MASK;
|
|
q->dma_q |= IVPU_MMU_Q_COUNT_LOG2;
|
|
|
|
ivpu_dbg(vdev, MMU, "EVTQ alloc: dma=%pad dma_q=%pad size=%u\n",
|
|
&q->dma, &q->dma_q, IVPU_MMU_EVTQ_SIZE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ivpu_mmu_structs_alloc(struct ivpu_device *vdev)
|
|
{
|
|
int ret;
|
|
|
|
ret = ivpu_mmu_cdtab_alloc(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to allocate cdtab: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = ivpu_mmu_strtab_alloc(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to allocate strtab: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = ivpu_mmu_cmdq_alloc(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to allocate cmdq: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = ivpu_mmu_evtq_alloc(vdev);
|
|
if (ret)
|
|
ivpu_err(vdev, "Failed to allocate evtq: %d\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ivpu_mmu_reg_write_cr0(struct ivpu_device *vdev, u32 val)
|
|
{
|
|
REGV_WR32(IVPU_MMU_REG_CR0, val);
|
|
|
|
return REGV_POLL_FLD(IVPU_MMU_REG_CR0ACK, VAL, val, IVPU_MMU_REG_TIMEOUT_US);
|
|
}
|
|
|
|
static int ivpu_mmu_reg_write_irq_ctrl(struct ivpu_device *vdev, u32 val)
|
|
{
|
|
REGV_WR32(IVPU_MMU_REG_IRQ_CTRL, val);
|
|
|
|
return REGV_POLL_FLD(IVPU_MMU_REG_IRQ_CTRLACK, VAL, val, IVPU_MMU_REG_TIMEOUT_US);
|
|
}
|
|
|
|
static int ivpu_mmu_irqs_setup(struct ivpu_device *vdev)
|
|
{
|
|
u32 irq_ctrl = IVPU_MMU_IRQ_EVTQ_EN | IVPU_MMU_IRQ_GERROR_EN;
|
|
int ret;
|
|
|
|
ret = ivpu_mmu_reg_write_irq_ctrl(vdev, 0);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return ivpu_mmu_reg_write_irq_ctrl(vdev, irq_ctrl);
|
|
}
|
|
|
|
static int ivpu_mmu_cmdq_wait_for_cons(struct ivpu_device *vdev)
|
|
{
|
|
struct ivpu_mmu_queue *cmdq = &vdev->mmu->cmdq;
|
|
int ret;
|
|
|
|
ret = REGV_POLL_FLD(IVPU_MMU_REG_CMDQ_CONS, VAL, cmdq->prod,
|
|
IVPU_MMU_QUEUE_TIMEOUT_US);
|
|
if (ret)
|
|
return ret;
|
|
|
|
cmdq->cons = cmdq->prod;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ivpu_mmu_cmdq_cmd_write(struct ivpu_device *vdev, const char *name, u64 data0, u64 data1)
|
|
{
|
|
struct ivpu_mmu_queue *q = &vdev->mmu->cmdq;
|
|
u64 *queue_buffer = q->base;
|
|
int idx = IVPU_MMU_Q_IDX(q->prod) * (IVPU_MMU_CMDQ_CMD_SIZE / sizeof(*queue_buffer));
|
|
|
|
if (!CIRC_SPACE(IVPU_MMU_Q_IDX(q->prod), IVPU_MMU_Q_IDX(q->cons), IVPU_MMU_Q_COUNT)) {
|
|
ivpu_err(vdev, "Failed to write MMU CMD %s\n", name);
|
|
return -EBUSY;
|
|
}
|
|
|
|
queue_buffer[idx] = data0;
|
|
queue_buffer[idx + 1] = data1;
|
|
q->prod = (q->prod + 1) & IVPU_MMU_Q_WRAP_MASK;
|
|
|
|
ivpu_dbg(vdev, MMU, "CMD write: %s data: 0x%llx 0x%llx\n", name, data0, data1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ivpu_mmu_cmdq_sync(struct ivpu_device *vdev)
|
|
{
|
|
struct ivpu_mmu_queue *q = &vdev->mmu->cmdq;
|
|
u64 val;
|
|
int ret;
|
|
|
|
val = FIELD_PREP(IVPU_MMU_CMD_OPCODE, CMD_SYNC);
|
|
|
|
ret = ivpu_mmu_cmdq_cmd_write(vdev, "SYNC", val, 0);
|
|
if (ret)
|
|
return ret;
|
|
|
|
clflush_cache_range(q->base, IVPU_MMU_CMDQ_SIZE);
|
|
REGV_WR32(IVPU_MMU_REG_CMDQ_PROD, q->prod);
|
|
|
|
ret = ivpu_mmu_cmdq_wait_for_cons(vdev);
|
|
if (ret) {
|
|
u32 err;
|
|
|
|
val = REGV_RD32(IVPU_MMU_REG_CMDQ_CONS);
|
|
err = REG_GET_FLD(IVPU_MMU_REG_CMDQ_CONS, ERR, val);
|
|
|
|
ivpu_err(vdev, "Timed out waiting for MMU consumer: %d, error: %s\n", ret,
|
|
ivpu_mmu_cmdq_err_to_str(err));
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ivpu_mmu_cmdq_write_cfgi_all(struct ivpu_device *vdev)
|
|
{
|
|
u64 data0 = FIELD_PREP(IVPU_MMU_CMD_OPCODE, CMD_CFGI_ALL);
|
|
u64 data1 = FIELD_PREP(IVPU_MMU_CMD_CFGI_1_RANGE, 0x1f);
|
|
|
|
return ivpu_mmu_cmdq_cmd_write(vdev, "CFGI_ALL", data0, data1);
|
|
}
|
|
|
|
static int ivpu_mmu_cmdq_write_tlbi_nh_asid(struct ivpu_device *vdev, u16 ssid)
|
|
{
|
|
u64 val = FIELD_PREP(IVPU_MMU_CMD_OPCODE, CMD_TLBI_NH_ASID) |
|
|
FIELD_PREP(IVPU_MMU_CMD_TLBI_0_ASID, ssid);
|
|
|
|
return ivpu_mmu_cmdq_cmd_write(vdev, "TLBI_NH_ASID", val, 0);
|
|
}
|
|
|
|
static int ivpu_mmu_cmdq_write_tlbi_nsnh_all(struct ivpu_device *vdev)
|
|
{
|
|
u64 val = FIELD_PREP(IVPU_MMU_CMD_OPCODE, CMD_TLBI_NSNH_ALL);
|
|
|
|
return ivpu_mmu_cmdq_cmd_write(vdev, "TLBI_NSNH_ALL", val, 0);
|
|
}
|
|
|
|
static int ivpu_mmu_reset(struct ivpu_device *vdev)
|
|
{
|
|
struct ivpu_mmu_info *mmu = vdev->mmu;
|
|
u32 val;
|
|
int ret;
|
|
|
|
memset(mmu->cmdq.base, 0, IVPU_MMU_CMDQ_SIZE);
|
|
clflush_cache_range(mmu->cmdq.base, IVPU_MMU_CMDQ_SIZE);
|
|
mmu->cmdq.prod = 0;
|
|
mmu->cmdq.cons = 0;
|
|
|
|
memset(mmu->evtq.base, 0, IVPU_MMU_EVTQ_SIZE);
|
|
clflush_cache_range(mmu->evtq.base, IVPU_MMU_EVTQ_SIZE);
|
|
mmu->evtq.prod = 0;
|
|
mmu->evtq.cons = 0;
|
|
|
|
ret = ivpu_mmu_reg_write_cr0(vdev, 0);
|
|
if (ret)
|
|
return ret;
|
|
|
|
val = FIELD_PREP(IVPU_MMU_CR1_TABLE_SH, IVPU_MMU_SH_ISH) |
|
|
FIELD_PREP(IVPU_MMU_CR1_TABLE_OC, IVPU_MMU_CACHE_WB) |
|
|
FIELD_PREP(IVPU_MMU_CR1_TABLE_IC, IVPU_MMU_CACHE_WB) |
|
|
FIELD_PREP(IVPU_MMU_CR1_QUEUE_SH, IVPU_MMU_SH_ISH) |
|
|
FIELD_PREP(IVPU_MMU_CR1_QUEUE_OC, IVPU_MMU_CACHE_WB) |
|
|
FIELD_PREP(IVPU_MMU_CR1_QUEUE_IC, IVPU_MMU_CACHE_WB);
|
|
REGV_WR32(IVPU_MMU_REG_CR1, val);
|
|
|
|
REGV_WR64(IVPU_MMU_REG_STRTAB_BASE, mmu->strtab.dma_q);
|
|
REGV_WR32(IVPU_MMU_REG_STRTAB_BASE_CFG, mmu->strtab.base_cfg);
|
|
|
|
REGV_WR64(IVPU_MMU_REG_CMDQ_BASE, mmu->cmdq.dma_q);
|
|
REGV_WR32(IVPU_MMU_REG_CMDQ_PROD, 0);
|
|
REGV_WR32(IVPU_MMU_REG_CMDQ_CONS, 0);
|
|
|
|
val = IVPU_MMU_CR0_CMDQEN;
|
|
ret = ivpu_mmu_reg_write_cr0(vdev, val);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = ivpu_mmu_cmdq_write_cfgi_all(vdev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = ivpu_mmu_cmdq_write_tlbi_nsnh_all(vdev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = ivpu_mmu_cmdq_sync(vdev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
REGV_WR64(IVPU_MMU_REG_EVTQ_BASE, mmu->evtq.dma_q);
|
|
REGV_WR32(IVPU_MMU_REG_EVTQ_PROD_SEC, 0);
|
|
REGV_WR32(IVPU_MMU_REG_EVTQ_CONS_SEC, 0);
|
|
|
|
val |= IVPU_MMU_CR0_EVTQEN;
|
|
ret = ivpu_mmu_reg_write_cr0(vdev, val);
|
|
if (ret)
|
|
return ret;
|
|
|
|
val |= IVPU_MMU_CR0_ATSCHK;
|
|
ret = ivpu_mmu_reg_write_cr0(vdev, val);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = ivpu_mmu_irqs_setup(vdev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
val |= IVPU_MMU_CR0_SMMUEN;
|
|
return ivpu_mmu_reg_write_cr0(vdev, val);
|
|
}
|
|
|
|
static void ivpu_mmu_strtab_link_cd(struct ivpu_device *vdev, u32 sid)
|
|
{
|
|
struct ivpu_mmu_info *mmu = vdev->mmu;
|
|
struct ivpu_mmu_strtab *strtab = &mmu->strtab;
|
|
struct ivpu_mmu_cdtab *cdtab = &mmu->cdtab;
|
|
u64 *entry = strtab->base + (sid * IVPU_MMU_STRTAB_ENT_SIZE);
|
|
u64 str[2];
|
|
|
|
str[0] = FIELD_PREP(IVPU_MMU_STE_0_CFG, IVPU_MMU_STE_0_CFG_S1_TRANS) |
|
|
FIELD_PREP(IVPU_MMU_STE_0_S1CDMAX, IVPU_MMU_CDTAB_ENT_COUNT_LOG2) |
|
|
FIELD_PREP(IVPU_MMU_STE_0_S1FMT, IVPU_MMU_STE_0_S1FMT_LINEAR) |
|
|
IVPU_MMU_STE_0_V |
|
|
(cdtab->dma & IVPU_MMU_STE_0_S1CTXPTR_MASK);
|
|
|
|
str[1] = FIELD_PREP(IVPU_MMU_STE_1_S1DSS, IVPU_MMU_STE_1_S1DSS_TERMINATE) |
|
|
FIELD_PREP(IVPU_MMU_STE_1_S1CIR, IVPU_MMU_STE_1_S1C_CACHE_NC) |
|
|
FIELD_PREP(IVPU_MMU_STE_1_S1COR, IVPU_MMU_STE_1_S1C_CACHE_NC) |
|
|
FIELD_PREP(IVPU_MMU_STE_1_S1CSH, IVPU_MMU_SH_NSH) |
|
|
FIELD_PREP(IVPU_MMU_STE_1_PRIVCFG, IVPU_MMU_STE_1_PRIVCFG_UNPRIV) |
|
|
FIELD_PREP(IVPU_MMU_STE_1_INSTCFG, IVPU_MMU_STE_1_INSTCFG_DATA) |
|
|
FIELD_PREP(IVPU_MMU_STE_1_STRW, IVPU_MMU_STE_1_STRW_NSEL1) |
|
|
FIELD_PREP(IVPU_MMU_STE_1_CONT, IVPU_MMU_STRTAB_CFG_LOG2SIZE) |
|
|
IVPU_MMU_STE_1_MEV |
|
|
IVPU_MMU_STE_1_S1STALLD;
|
|
|
|
WRITE_ONCE(entry[1], str[1]);
|
|
WRITE_ONCE(entry[0], str[0]);
|
|
|
|
clflush_cache_range(entry, IVPU_MMU_STRTAB_ENT_SIZE);
|
|
|
|
ivpu_dbg(vdev, MMU, "STRTAB write entry (SSID=%u): 0x%llx, 0x%llx\n", sid, str[0], str[1]);
|
|
}
|
|
|
|
static int ivpu_mmu_strtab_init(struct ivpu_device *vdev)
|
|
{
|
|
ivpu_mmu_strtab_link_cd(vdev, IVPU_MMU_STREAM_ID0);
|
|
ivpu_mmu_strtab_link_cd(vdev, IVPU_MMU_STREAM_ID3);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ivpu_mmu_invalidate_tlb(struct ivpu_device *vdev, u16 ssid)
|
|
{
|
|
struct ivpu_mmu_info *mmu = vdev->mmu;
|
|
int ret = 0;
|
|
|
|
mutex_lock(&mmu->lock);
|
|
if (!mmu->on)
|
|
goto unlock;
|
|
|
|
ret = ivpu_mmu_cmdq_write_tlbi_nh_asid(vdev, ssid);
|
|
if (ret)
|
|
goto unlock;
|
|
|
|
ret = ivpu_mmu_cmdq_sync(vdev);
|
|
unlock:
|
|
mutex_unlock(&mmu->lock);
|
|
return ret;
|
|
}
|
|
|
|
static int ivpu_mmu_cd_add(struct ivpu_device *vdev, u32 ssid, u64 cd_dma)
|
|
{
|
|
struct ivpu_mmu_info *mmu = vdev->mmu;
|
|
struct ivpu_mmu_cdtab *cdtab = &mmu->cdtab;
|
|
u64 *entry;
|
|
u64 cd[4];
|
|
int ret = 0;
|
|
|
|
if (ssid > IVPU_MMU_CDTAB_ENT_COUNT)
|
|
return -EINVAL;
|
|
|
|
entry = cdtab->base + (ssid * IVPU_MMU_CDTAB_ENT_SIZE);
|
|
|
|
if (cd_dma != 0) {
|
|
cd[0] = FIELD_PREP(IVPU_MMU_CD_0_TCR_T0SZ, IVPU_MMU_T0SZ_48BIT) |
|
|
FIELD_PREP(IVPU_MMU_CD_0_TCR_TG0, 0) |
|
|
FIELD_PREP(IVPU_MMU_CD_0_TCR_IRGN0, 0) |
|
|
FIELD_PREP(IVPU_MMU_CD_0_TCR_ORGN0, 0) |
|
|
FIELD_PREP(IVPU_MMU_CD_0_TCR_SH0, 0) |
|
|
FIELD_PREP(IVPU_MMU_CD_0_TCR_IPS, IVPU_MMU_IPS_48BIT) |
|
|
FIELD_PREP(IVPU_MMU_CD_0_ASID, ssid) |
|
|
IVPU_MMU_CD_0_TCR_EPD1 |
|
|
IVPU_MMU_CD_0_AA64 |
|
|
IVPU_MMU_CD_0_R |
|
|
IVPU_MMU_CD_0_ASET |
|
|
IVPU_MMU_CD_0_V;
|
|
cd[1] = cd_dma & IVPU_MMU_CD_1_TTB0_MASK;
|
|
cd[2] = 0;
|
|
cd[3] = 0x0000000000007444;
|
|
|
|
/* For global context generate memory fault on VPU */
|
|
if (ssid == IVPU_GLOBAL_CONTEXT_MMU_SSID)
|
|
cd[0] |= IVPU_MMU_CD_0_A;
|
|
} else {
|
|
memset(cd, 0, sizeof(cd));
|
|
}
|
|
|
|
WRITE_ONCE(entry[1], cd[1]);
|
|
WRITE_ONCE(entry[2], cd[2]);
|
|
WRITE_ONCE(entry[3], cd[3]);
|
|
WRITE_ONCE(entry[0], cd[0]);
|
|
|
|
clflush_cache_range(entry, IVPU_MMU_CDTAB_ENT_SIZE);
|
|
|
|
ivpu_dbg(vdev, MMU, "CDTAB %s entry (SSID=%u, dma=%pad): 0x%llx, 0x%llx, 0x%llx, 0x%llx\n",
|
|
cd_dma ? "write" : "clear", ssid, &cd_dma, cd[0], cd[1], cd[2], cd[3]);
|
|
|
|
mutex_lock(&mmu->lock);
|
|
if (!mmu->on)
|
|
goto unlock;
|
|
|
|
ret = ivpu_mmu_cmdq_write_cfgi_all(vdev);
|
|
if (ret)
|
|
goto unlock;
|
|
|
|
ret = ivpu_mmu_cmdq_sync(vdev);
|
|
unlock:
|
|
mutex_unlock(&mmu->lock);
|
|
return ret;
|
|
}
|
|
|
|
static int ivpu_mmu_cd_add_gbl(struct ivpu_device *vdev)
|
|
{
|
|
int ret;
|
|
|
|
ret = ivpu_mmu_cd_add(vdev, 0, vdev->gctx.pgtable.pgd_dma);
|
|
if (ret)
|
|
ivpu_err(vdev, "Failed to add global CD entry: %d\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ivpu_mmu_cd_add_user(struct ivpu_device *vdev, u32 ssid, dma_addr_t cd_dma)
|
|
{
|
|
int ret;
|
|
|
|
if (ssid == 0) {
|
|
ivpu_err(vdev, "Invalid SSID: %u\n", ssid);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = ivpu_mmu_cd_add(vdev, ssid, cd_dma);
|
|
if (ret)
|
|
ivpu_err(vdev, "Failed to add CD entry SSID=%u: %d\n", ssid, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int ivpu_mmu_init(struct ivpu_device *vdev)
|
|
{
|
|
struct ivpu_mmu_info *mmu = vdev->mmu;
|
|
int ret;
|
|
|
|
ivpu_dbg(vdev, MMU, "Init..\n");
|
|
|
|
ivpu_mmu_config_check(vdev);
|
|
|
|
ret = drmm_mutex_init(&vdev->drm, &mmu->lock);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = ivpu_mmu_structs_alloc(vdev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = ivpu_mmu_strtab_init(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize strtab: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = ivpu_mmu_cd_add_gbl(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize strtab: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = ivpu_mmu_enable(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to resume MMU: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ivpu_dbg(vdev, MMU, "Init done\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ivpu_mmu_enable(struct ivpu_device *vdev)
|
|
{
|
|
struct ivpu_mmu_info *mmu = vdev->mmu;
|
|
int ret;
|
|
|
|
mutex_lock(&mmu->lock);
|
|
|
|
mmu->on = true;
|
|
|
|
ret = ivpu_mmu_reset(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to reset MMU: %d\n", ret);
|
|
goto err;
|
|
}
|
|
|
|
ret = ivpu_mmu_cmdq_write_cfgi_all(vdev);
|
|
if (ret)
|
|
goto err;
|
|
|
|
ret = ivpu_mmu_cmdq_write_tlbi_nsnh_all(vdev);
|
|
if (ret)
|
|
goto err;
|
|
|
|
ret = ivpu_mmu_cmdq_sync(vdev);
|
|
if (ret)
|
|
goto err;
|
|
|
|
mutex_unlock(&mmu->lock);
|
|
|
|
return 0;
|
|
err:
|
|
mmu->on = false;
|
|
mutex_unlock(&mmu->lock);
|
|
return ret;
|
|
}
|
|
|
|
void ivpu_mmu_disable(struct ivpu_device *vdev)
|
|
{
|
|
struct ivpu_mmu_info *mmu = vdev->mmu;
|
|
|
|
mutex_lock(&mmu->lock);
|
|
mmu->on = false;
|
|
mutex_unlock(&mmu->lock);
|
|
}
|
|
|
|
static void ivpu_mmu_dump_event(struct ivpu_device *vdev, u32 *event)
|
|
{
|
|
u32 ssid = FIELD_GET(IVPU_MMU_EVT_SSID_MASK, event[0]);
|
|
u32 op = FIELD_GET(IVPU_MMU_EVT_OP_MASK, event[0]);
|
|
u64 fetch_addr = ((u64)event[7]) << 32 | event[6];
|
|
u64 in_addr = ((u64)event[5]) << 32 | event[4];
|
|
u32 sid = event[1];
|
|
|
|
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",
|
|
op, ivpu_mmu_event_to_str(op), ssid, sid, event[2], event[3], in_addr, fetch_addr);
|
|
}
|
|
|
|
static u32 *ivpu_mmu_get_event(struct ivpu_device *vdev)
|
|
{
|
|
struct ivpu_mmu_queue *evtq = &vdev->mmu->evtq;
|
|
u32 idx = IVPU_MMU_Q_IDX(evtq->cons);
|
|
u32 *evt = evtq->base + (idx * IVPU_MMU_EVTQ_CMD_SIZE);
|
|
|
|
evtq->prod = REGV_RD32(IVPU_MMU_REG_EVTQ_PROD_SEC);
|
|
if (!CIRC_CNT(IVPU_MMU_Q_IDX(evtq->prod), IVPU_MMU_Q_IDX(evtq->cons), IVPU_MMU_Q_COUNT))
|
|
return NULL;
|
|
|
|
clflush_cache_range(evt, IVPU_MMU_EVTQ_CMD_SIZE);
|
|
|
|
evtq->cons = (evtq->cons + 1) & IVPU_MMU_Q_WRAP_MASK;
|
|
REGV_WR32(IVPU_MMU_REG_EVTQ_CONS_SEC, evtq->cons);
|
|
|
|
return evt;
|
|
}
|
|
|
|
void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev)
|
|
{
|
|
bool schedule_recovery = false;
|
|
u32 *event;
|
|
u32 ssid;
|
|
|
|
ivpu_dbg(vdev, IRQ, "MMU event queue\n");
|
|
|
|
while ((event = ivpu_mmu_get_event(vdev)) != NULL) {
|
|
ivpu_mmu_dump_event(vdev, event);
|
|
|
|
ssid = FIELD_GET(IVPU_MMU_EVT_SSID_MASK, event[0]);
|
|
if (ssid == IVPU_GLOBAL_CONTEXT_MMU_SSID)
|
|
schedule_recovery = true;
|
|
else
|
|
ivpu_mmu_user_context_mark_invalid(vdev, ssid);
|
|
}
|
|
|
|
if (schedule_recovery)
|
|
ivpu_pm_schedule_recovery(vdev);
|
|
}
|
|
|
|
void ivpu_mmu_irq_gerr_handler(struct ivpu_device *vdev)
|
|
{
|
|
u32 gerror_val, gerrorn_val, active;
|
|
|
|
ivpu_dbg(vdev, IRQ, "MMU error\n");
|
|
|
|
gerror_val = REGV_RD32(IVPU_MMU_REG_GERROR);
|
|
gerrorn_val = REGV_RD32(IVPU_MMU_REG_GERRORN);
|
|
|
|
active = gerror_val ^ gerrorn_val;
|
|
if (!(active & IVPU_MMU_GERROR_ERR_MASK))
|
|
return;
|
|
|
|
if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, MSI_ABT, active))
|
|
ivpu_warn_ratelimited(vdev, "MMU MSI ABT write aborted\n");
|
|
|
|
if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, MSI_PRIQ_ABT, active))
|
|
ivpu_warn_ratelimited(vdev, "MMU PRIQ MSI ABT write aborted\n");
|
|
|
|
if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, MSI_EVTQ_ABT, active))
|
|
ivpu_warn_ratelimited(vdev, "MMU EVTQ MSI ABT write aborted\n");
|
|
|
|
if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, MSI_CMDQ_ABT, active))
|
|
ivpu_warn_ratelimited(vdev, "MMU CMDQ MSI ABT write aborted\n");
|
|
|
|
if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, PRIQ_ABT, active))
|
|
ivpu_err_ratelimited(vdev, "MMU PRIQ write aborted\n");
|
|
|
|
if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, EVTQ_ABT, active))
|
|
ivpu_err_ratelimited(vdev, "MMU EVTQ write aborted\n");
|
|
|
|
if (REG_TEST_FLD(IVPU_MMU_REG_GERROR, CMDQ, active))
|
|
ivpu_err_ratelimited(vdev, "MMU CMDQ write aborted\n");
|
|
|
|
REGV_WR32(IVPU_MMU_REG_GERRORN, gerror_val);
|
|
}
|
|
|
|
int ivpu_mmu_set_pgtable(struct ivpu_device *vdev, int ssid, struct ivpu_mmu_pgtable *pgtable)
|
|
{
|
|
return ivpu_mmu_cd_add_user(vdev, ssid, pgtable->pgd_dma);
|
|
}
|
|
|
|
void ivpu_mmu_clear_pgtable(struct ivpu_device *vdev, int ssid)
|
|
{
|
|
ivpu_mmu_cd_add_user(vdev, ssid, 0); /* 0 will clear CD entry */
|
|
}
|