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gmc_v9_0.c
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gmc_v9_0.c
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/*
* Copyright 2016 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <linux/firmware.h>
#include <linux/pci.h>
#include <drm/drm_cache.h>
#include "amdgpu.h"
#include "gmc_v9_0.h"
#include "amdgpu_atomfirmware.h"
#include "amdgpu_gem.h"
#include "gc/gc_9_0_sh_mask.h"
#include "dce/dce_12_0_offset.h"
#include "dce/dce_12_0_sh_mask.h"
#include "vega10_enum.h"
#include "mmhub/mmhub_1_0_offset.h"
#include "athub/athub_1_0_sh_mask.h"
#include "athub/athub_1_0_offset.h"
#include "oss/osssys_4_0_offset.h"
#include "soc15.h"
#include "soc15d.h"
#include "soc15_common.h"
#include "umc/umc_6_0_sh_mask.h"
#include "gfxhub_v1_0.h"
#include "mmhub_v1_0.h"
#include "athub_v1_0.h"
#include "gfxhub_v1_1.h"
#include "gfxhub_v1_2.h"
#include "mmhub_v9_4.h"
#include "mmhub_v1_7.h"
#include "mmhub_v1_8.h"
#include "umc_v6_1.h"
#include "umc_v6_0.h"
#include "umc_v6_7.h"
#include "hdp_v4_0.h"
#include "mca_v3_0.h"
#include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
#include "amdgpu_ras.h"
#include "amdgpu_xgmi.h"
#include "amdgpu_reset.h"
/* add these here since we already include dce12 headers and these are for DCN */
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION 0x055d
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_BASE_IDX 2
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH__SHIFT 0x0
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT__SHIFT 0x10
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH_MASK 0x00003FFFL
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT_MASK 0x3FFF0000L
#define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0 0x049d
#define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0_BASE_IDX 2
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2 0x05ea
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2_BASE_IDX 2
#define MAX_MEM_RANGES 8
static const char * const gfxhub_client_ids[] = {
"CB",
"DB",
"IA",
"WD",
"CPF",
"CPC",
"CPG",
"RLC",
"TCP",
"SQC (inst)",
"SQC (data)",
"SQG",
"PA",
};
static const char *mmhub_client_ids_raven[][2] = {
[0][0] = "MP1",
[1][0] = "MP0",
[2][0] = "VCN",
[3][0] = "VCNU",
[4][0] = "HDP",
[5][0] = "DCE",
[13][0] = "UTCL2",
[19][0] = "TLS",
[26][0] = "OSS",
[27][0] = "SDMA0",
[0][1] = "MP1",
[1][1] = "MP0",
[2][1] = "VCN",
[3][1] = "VCNU",
[4][1] = "HDP",
[5][1] = "XDP",
[6][1] = "DBGU0",
[7][1] = "DCE",
[8][1] = "DCEDWB0",
[9][1] = "DCEDWB1",
[26][1] = "OSS",
[27][1] = "SDMA0",
};
static const char *mmhub_client_ids_renoir[][2] = {
[0][0] = "MP1",
[1][0] = "MP0",
[2][0] = "HDP",
[4][0] = "DCEDMC",
[5][0] = "DCEVGA",
[13][0] = "UTCL2",
[19][0] = "TLS",
[26][0] = "OSS",
[27][0] = "SDMA0",
[28][0] = "VCN",
[29][0] = "VCNU",
[30][0] = "JPEG",
[0][1] = "MP1",
[1][1] = "MP0",
[2][1] = "HDP",
[3][1] = "XDP",
[6][1] = "DBGU0",
[7][1] = "DCEDMC",
[8][1] = "DCEVGA",
[9][1] = "DCEDWB",
[26][1] = "OSS",
[27][1] = "SDMA0",
[28][1] = "VCN",
[29][1] = "VCNU",
[30][1] = "JPEG",
};
static const char *mmhub_client_ids_vega10[][2] = {
[0][0] = "MP0",
[1][0] = "UVD",
[2][0] = "UVDU",
[3][0] = "HDP",
[13][0] = "UTCL2",
[14][0] = "OSS",
[15][0] = "SDMA1",
[32+0][0] = "VCE0",
[32+1][0] = "VCE0U",
[32+2][0] = "XDMA",
[32+3][0] = "DCE",
[32+4][0] = "MP1",
[32+14][0] = "SDMA0",
[0][1] = "MP0",
[1][1] = "UVD",
[2][1] = "UVDU",
[3][1] = "DBGU0",
[4][1] = "HDP",
[5][1] = "XDP",
[14][1] = "OSS",
[15][1] = "SDMA0",
[32+0][1] = "VCE0",
[32+1][1] = "VCE0U",
[32+2][1] = "XDMA",
[32+3][1] = "DCE",
[32+4][1] = "DCEDWB",
[32+5][1] = "MP1",
[32+6][1] = "DBGU1",
[32+14][1] = "SDMA1",
};
static const char *mmhub_client_ids_vega12[][2] = {
[0][0] = "MP0",
[1][0] = "VCE0",
[2][0] = "VCE0U",
[3][0] = "HDP",
[13][0] = "UTCL2",
[14][0] = "OSS",
[15][0] = "SDMA1",
[32+0][0] = "DCE",
[32+1][0] = "XDMA",
[32+2][0] = "UVD",
[32+3][0] = "UVDU",
[32+4][0] = "MP1",
[32+15][0] = "SDMA0",
[0][1] = "MP0",
[1][1] = "VCE0",
[2][1] = "VCE0U",
[3][1] = "DBGU0",
[4][1] = "HDP",
[5][1] = "XDP",
[14][1] = "OSS",
[15][1] = "SDMA0",
[32+0][1] = "DCE",
[32+1][1] = "DCEDWB",
[32+2][1] = "XDMA",
[32+3][1] = "UVD",
[32+4][1] = "UVDU",
[32+5][1] = "MP1",
[32+6][1] = "DBGU1",
[32+15][1] = "SDMA1",
};
static const char *mmhub_client_ids_vega20[][2] = {
[0][0] = "XDMA",
[1][0] = "DCE",
[2][0] = "VCE0",
[3][0] = "VCE0U",
[4][0] = "UVD",
[5][0] = "UVD1U",
[13][0] = "OSS",
[14][0] = "HDP",
[15][0] = "SDMA0",
[32+0][0] = "UVD",
[32+1][0] = "UVDU",
[32+2][0] = "MP1",
[32+3][0] = "MP0",
[32+12][0] = "UTCL2",
[32+14][0] = "SDMA1",
[0][1] = "XDMA",
[1][1] = "DCE",
[2][1] = "DCEDWB",
[3][1] = "VCE0",
[4][1] = "VCE0U",
[5][1] = "UVD1",
[6][1] = "UVD1U",
[7][1] = "DBGU0",
[8][1] = "XDP",
[13][1] = "OSS",
[14][1] = "HDP",
[15][1] = "SDMA0",
[32+0][1] = "UVD",
[32+1][1] = "UVDU",
[32+2][1] = "DBGU1",
[32+3][1] = "MP1",
[32+4][1] = "MP0",
[32+14][1] = "SDMA1",
};
static const char *mmhub_client_ids_arcturus[][2] = {
[0][0] = "DBGU1",
[1][0] = "XDP",
[2][0] = "MP1",
[14][0] = "HDP",
[171][0] = "JPEG",
[172][0] = "VCN",
[173][0] = "VCNU",
[203][0] = "JPEG1",
[204][0] = "VCN1",
[205][0] = "VCN1U",
[256][0] = "SDMA0",
[257][0] = "SDMA1",
[258][0] = "SDMA2",
[259][0] = "SDMA3",
[260][0] = "SDMA4",
[261][0] = "SDMA5",
[262][0] = "SDMA6",
[263][0] = "SDMA7",
[384][0] = "OSS",
[0][1] = "DBGU1",
[1][1] = "XDP",
[2][1] = "MP1",
[14][1] = "HDP",
[171][1] = "JPEG",
[172][1] = "VCN",
[173][1] = "VCNU",
[203][1] = "JPEG1",
[204][1] = "VCN1",
[205][1] = "VCN1U",
[256][1] = "SDMA0",
[257][1] = "SDMA1",
[258][1] = "SDMA2",
[259][1] = "SDMA3",
[260][1] = "SDMA4",
[261][1] = "SDMA5",
[262][1] = "SDMA6",
[263][1] = "SDMA7",
[384][1] = "OSS",
};
static const char *mmhub_client_ids_aldebaran[][2] = {
[2][0] = "MP1",
[3][0] = "MP0",
[32+1][0] = "DBGU_IO0",
[32+2][0] = "DBGU_IO2",
[32+4][0] = "MPIO",
[96+11][0] = "JPEG0",
[96+12][0] = "VCN0",
[96+13][0] = "VCNU0",
[128+11][0] = "JPEG1",
[128+12][0] = "VCN1",
[128+13][0] = "VCNU1",
[160+1][0] = "XDP",
[160+14][0] = "HDP",
[256+0][0] = "SDMA0",
[256+1][0] = "SDMA1",
[256+2][0] = "SDMA2",
[256+3][0] = "SDMA3",
[256+4][0] = "SDMA4",
[384+0][0] = "OSS",
[2][1] = "MP1",
[3][1] = "MP0",
[32+1][1] = "DBGU_IO0",
[32+2][1] = "DBGU_IO2",
[32+4][1] = "MPIO",
[96+11][1] = "JPEG0",
[96+12][1] = "VCN0",
[96+13][1] = "VCNU0",
[128+11][1] = "JPEG1",
[128+12][1] = "VCN1",
[128+13][1] = "VCNU1",
[160+1][1] = "XDP",
[160+14][1] = "HDP",
[256+0][1] = "SDMA0",
[256+1][1] = "SDMA1",
[256+2][1] = "SDMA2",
[256+3][1] = "SDMA3",
[256+4][1] = "SDMA4",
[384+0][1] = "OSS",
};
static const struct soc15_reg_golden golden_settings_mmhub_1_0_0[] = {
SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmDAGB1_WRCLI2, 0x00000007, 0xfe5fe0fa),
SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmMMEA1_DRAM_WR_CLI2GRP_MAP0, 0x00000030, 0x55555565)
};
static const struct soc15_reg_golden golden_settings_athub_1_0_0[] = {
SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL, 0x0000ff00, 0x00000800),
SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL2, 0x00ff00ff, 0x00080008)
};
static const uint32_t ecc_umc_mcumc_ctrl_addrs[] = {
(0x000143c0 + 0x00000000),
(0x000143c0 + 0x00000800),
(0x000143c0 + 0x00001000),
(0x000143c0 + 0x00001800),
(0x000543c0 + 0x00000000),
(0x000543c0 + 0x00000800),
(0x000543c0 + 0x00001000),
(0x000543c0 + 0x00001800),
(0x000943c0 + 0x00000000),
(0x000943c0 + 0x00000800),
(0x000943c0 + 0x00001000),
(0x000943c0 + 0x00001800),
(0x000d43c0 + 0x00000000),
(0x000d43c0 + 0x00000800),
(0x000d43c0 + 0x00001000),
(0x000d43c0 + 0x00001800),
(0x001143c0 + 0x00000000),
(0x001143c0 + 0x00000800),
(0x001143c0 + 0x00001000),
(0x001143c0 + 0x00001800),
(0x001543c0 + 0x00000000),
(0x001543c0 + 0x00000800),
(0x001543c0 + 0x00001000),
(0x001543c0 + 0x00001800),
(0x001943c0 + 0x00000000),
(0x001943c0 + 0x00000800),
(0x001943c0 + 0x00001000),
(0x001943c0 + 0x00001800),
(0x001d43c0 + 0x00000000),
(0x001d43c0 + 0x00000800),
(0x001d43c0 + 0x00001000),
(0x001d43c0 + 0x00001800),
};
static const uint32_t ecc_umc_mcumc_ctrl_mask_addrs[] = {
(0x000143e0 + 0x00000000),
(0x000143e0 + 0x00000800),
(0x000143e0 + 0x00001000),
(0x000143e0 + 0x00001800),
(0x000543e0 + 0x00000000),
(0x000543e0 + 0x00000800),
(0x000543e0 + 0x00001000),
(0x000543e0 + 0x00001800),
(0x000943e0 + 0x00000000),
(0x000943e0 + 0x00000800),
(0x000943e0 + 0x00001000),
(0x000943e0 + 0x00001800),
(0x000d43e0 + 0x00000000),
(0x000d43e0 + 0x00000800),
(0x000d43e0 + 0x00001000),
(0x000d43e0 + 0x00001800),
(0x001143e0 + 0x00000000),
(0x001143e0 + 0x00000800),
(0x001143e0 + 0x00001000),
(0x001143e0 + 0x00001800),
(0x001543e0 + 0x00000000),
(0x001543e0 + 0x00000800),
(0x001543e0 + 0x00001000),
(0x001543e0 + 0x00001800),
(0x001943e0 + 0x00000000),
(0x001943e0 + 0x00000800),
(0x001943e0 + 0x00001000),
(0x001943e0 + 0x00001800),
(0x001d43e0 + 0x00000000),
(0x001d43e0 + 0x00000800),
(0x001d43e0 + 0x00001000),
(0x001d43e0 + 0x00001800),
};
static int gmc_v9_0_ecc_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned int type,
enum amdgpu_interrupt_state state)
{
u32 bits, i, tmp, reg;
/* Devices newer then VEGA10/12 shall have these programming
* sequences performed by PSP BL
*/
if (adev->asic_type >= CHIP_VEGA20)
return 0;
bits = 0x7f;
switch (state) {
case AMDGPU_IRQ_STATE_DISABLE:
for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_addrs[i];
tmp = RREG32(reg);
tmp &= ~bits;
WREG32(reg, tmp);
}
for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
tmp = RREG32(reg);
tmp &= ~bits;
WREG32(reg, tmp);
}
break;
case AMDGPU_IRQ_STATE_ENABLE:
for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_addrs[i];
tmp = RREG32(reg);
tmp |= bits;
WREG32(reg, tmp);
}
for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
tmp = RREG32(reg);
tmp |= bits;
WREG32(reg, tmp);
}
break;
default:
break;
}
return 0;
}
static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned int type,
enum amdgpu_interrupt_state state)
{
struct amdgpu_vmhub *hub;
u32 tmp, reg, bits, i, j;
bits = VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
switch (state) {
case AMDGPU_IRQ_STATE_DISABLE:
for_each_set_bit(j, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) {
hub = &adev->vmhub[j];
for (i = 0; i < 16; i++) {
reg = hub->vm_context0_cntl + i;
/* This works because this interrupt is only
* enabled at init/resume and disabled in
* fini/suspend, so the overall state doesn't
* change over the course of suspend/resume.
*/
if (adev->in_s0ix && (j == AMDGPU_GFXHUB(0)))
continue;
if (j >= AMDGPU_MMHUB0(0))
tmp = RREG32_SOC15_IP(MMHUB, reg);
else
tmp = RREG32_SOC15_IP(GC, reg);
tmp &= ~bits;
if (j >= AMDGPU_MMHUB0(0))
WREG32_SOC15_IP(MMHUB, reg, tmp);
else
WREG32_SOC15_IP(GC, reg, tmp);
}
}
break;
case AMDGPU_IRQ_STATE_ENABLE:
for_each_set_bit(j, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) {
hub = &adev->vmhub[j];
for (i = 0; i < 16; i++) {
reg = hub->vm_context0_cntl + i;
/* This works because this interrupt is only
* enabled at init/resume and disabled in
* fini/suspend, so the overall state doesn't
* change over the course of suspend/resume.
*/
if (adev->in_s0ix && (j == AMDGPU_GFXHUB(0)))
continue;
if (j >= AMDGPU_MMHUB0(0))
tmp = RREG32_SOC15_IP(MMHUB, reg);
else
tmp = RREG32_SOC15_IP(GC, reg);
tmp |= bits;
if (j >= AMDGPU_MMHUB0(0))
WREG32_SOC15_IP(MMHUB, reg, tmp);
else
WREG32_SOC15_IP(GC, reg, tmp);
}
}
break;
default:
break;
}
return 0;
}
static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
bool retry_fault = !!(entry->src_data[1] & 0x80);
bool write_fault = !!(entry->src_data[1] & 0x20);
uint32_t status = 0, cid = 0, rw = 0;
struct amdgpu_task_info task_info;
struct amdgpu_vmhub *hub;
const char *mmhub_cid;
const char *hub_name;
u64 addr;
uint32_t cam_index = 0;
int ret, xcc_id = 0;
uint32_t node_id;
node_id = entry->node_id;
addr = (u64)entry->src_data[0] << 12;
addr |= ((u64)entry->src_data[1] & 0xf) << 44;
if (entry->client_id == SOC15_IH_CLIENTID_VMC) {
hub_name = "mmhub0";
hub = &adev->vmhub[AMDGPU_MMHUB0(node_id / 4)];
} else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) {
hub_name = "mmhub1";
hub = &adev->vmhub[AMDGPU_MMHUB1(0)];
} else {
hub_name = "gfxhub0";
if (adev->gfx.funcs->ih_node_to_logical_xcc) {
xcc_id = adev->gfx.funcs->ih_node_to_logical_xcc(adev,
node_id);
if (xcc_id < 0)
xcc_id = 0;
}
hub = &adev->vmhub[xcc_id];
}
if (retry_fault) {
if (adev->irq.retry_cam_enabled) {
/* Delegate it to a different ring if the hardware hasn't
* already done it.
*/
if (entry->ih == &adev->irq.ih) {
amdgpu_irq_delegate(adev, entry, 8);
return 1;
}
cam_index = entry->src_data[2] & 0x3ff;
ret = amdgpu_vm_handle_fault(adev, entry->pasid, entry->vmid, node_id,
addr, write_fault);
WDOORBELL32(adev->irq.retry_cam_doorbell_index, cam_index);
if (ret)
return 1;
} else {
/* Process it onyl if it's the first fault for this address */
if (entry->ih != &adev->irq.ih_soft &&
amdgpu_gmc_filter_faults(adev, entry->ih, addr, entry->pasid,
entry->timestamp))
return 1;
/* Delegate it to a different ring if the hardware hasn't
* already done it.
*/
if (entry->ih == &adev->irq.ih) {
amdgpu_irq_delegate(adev, entry, 8);
return 1;
}
/* Try to handle the recoverable page faults by filling page
* tables
*/
if (amdgpu_vm_handle_fault(adev, entry->pasid, entry->vmid, node_id,
addr, write_fault))
return 1;
}
}
if (!printk_ratelimit())
return 0;
memset(&task_info, 0, sizeof(struct amdgpu_task_info));
amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
dev_err(adev->dev,
"[%s] %s page fault (src_id:%u ring:%u vmid:%u pasid:%u, for process %s pid %d thread %s pid %d)\n",
hub_name, retry_fault ? "retry" : "no-retry",
entry->src_id, entry->ring_id, entry->vmid,
entry->pasid, task_info.process_name, task_info.tgid,
task_info.task_name, task_info.pid);
dev_err(adev->dev, " in page starting at address 0x%016llx from IH client 0x%x (%s)\n",
addr, entry->client_id,
soc15_ih_clientid_name[entry->client_id]);
if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3))
dev_err(adev->dev, " cookie node_id %d fault from die %s%d%s\n",
node_id, node_id % 4 == 3 ? "RSV" : "AID", node_id / 4,
node_id % 4 == 1 ? ".XCD0" : node_id % 4 == 2 ? ".XCD1" : "");
if (amdgpu_sriov_vf(adev))
return 0;
/*
* Issue a dummy read to wait for the status register to
* be updated to avoid reading an incorrect value due to
* the new fast GRBM interface.
*/
if ((entry->vmid_src == AMDGPU_GFXHUB(0)) &&
(adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 4, 2)))
RREG32(hub->vm_l2_pro_fault_status);
status = RREG32(hub->vm_l2_pro_fault_status);
cid = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, CID);
rw = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, RW);
WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
dev_err(adev->dev,
"VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
status);
if (entry->vmid_src == AMDGPU_GFXHUB(0)) {
dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" :
gfxhub_client_ids[cid],
cid);
} else {
switch (adev->ip_versions[MMHUB_HWIP][0]) {
case IP_VERSION(9, 0, 0):
mmhub_cid = mmhub_client_ids_vega10[cid][rw];
break;
case IP_VERSION(9, 3, 0):
mmhub_cid = mmhub_client_ids_vega12[cid][rw];
break;
case IP_VERSION(9, 4, 0):
mmhub_cid = mmhub_client_ids_vega20[cid][rw];
break;
case IP_VERSION(9, 4, 1):
mmhub_cid = mmhub_client_ids_arcturus[cid][rw];
break;
case IP_VERSION(9, 1, 0):
case IP_VERSION(9, 2, 0):
mmhub_cid = mmhub_client_ids_raven[cid][rw];
break;
case IP_VERSION(1, 5, 0):
case IP_VERSION(2, 4, 0):
mmhub_cid = mmhub_client_ids_renoir[cid][rw];
break;
case IP_VERSION(1, 8, 0):
case IP_VERSION(9, 4, 2):
mmhub_cid = mmhub_client_ids_aldebaran[cid][rw];
break;
default:
mmhub_cid = NULL;
break;
}
dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
mmhub_cid ? mmhub_cid : "unknown", cid);
}
dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
dev_err(adev->dev, "\t RW: 0x%x\n", rw);
return 0;
}
static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs = {
.set = gmc_v9_0_vm_fault_interrupt_state,
.process = gmc_v9_0_process_interrupt,
};
static const struct amdgpu_irq_src_funcs gmc_v9_0_ecc_funcs = {
.set = gmc_v9_0_ecc_interrupt_state,
.process = amdgpu_umc_process_ecc_irq,
};
static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->gmc.vm_fault.num_types = 1;
adev->gmc.vm_fault.funcs = &gmc_v9_0_irq_funcs;
if (!amdgpu_sriov_vf(adev) &&
!adev->gmc.xgmi.connected_to_cpu) {
adev->gmc.ecc_irq.num_types = 1;
adev->gmc.ecc_irq.funcs = &gmc_v9_0_ecc_funcs;
}
}
static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid,
uint32_t flush_type)
{
u32 req = 0;
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
PER_VMID_INVALIDATE_REQ, 1 << vmid);
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
return req;
}
/**
* gmc_v9_0_use_invalidate_semaphore - judge whether to use semaphore
*
* @adev: amdgpu_device pointer
* @vmhub: vmhub type
*
*/
static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev,
uint32_t vmhub)
{
if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2) ||
adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3))
return false;
return ((vmhub == AMDGPU_MMHUB0(0) ||
vmhub == AMDGPU_MMHUB1(0)) &&
(!amdgpu_sriov_vf(adev)) &&
(!(!(adev->apu_flags & AMD_APU_IS_RAVEN2) &&
(adev->apu_flags & AMD_APU_IS_PICASSO))));
}
static bool gmc_v9_0_get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev,
uint8_t vmid, uint16_t *p_pasid)
{
uint32_t value;
value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
+ vmid);
*p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
}
/*
* GART
* VMID 0 is the physical GPU addresses as used by the kernel.
* VMIDs 1-15 are used for userspace clients and are handled
* by the amdgpu vm/hsa code.
*/
/**
* gmc_v9_0_flush_gpu_tlb - tlb flush with certain type
*
* @adev: amdgpu_device pointer
* @vmid: vm instance to flush
* @vmhub: which hub to flush
* @flush_type: the flush type
*
* Flush the TLB for the requested page table using certain type.
*/
static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
uint32_t vmhub, uint32_t flush_type)
{
bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(adev, vmhub);
const unsigned int eng = 17;
u32 j, inv_req, inv_req2, tmp;
struct amdgpu_vmhub *hub;
BUG_ON(vmhub >= AMDGPU_MAX_VMHUBS);
hub = &adev->vmhub[vmhub];
if (adev->gmc.xgmi.num_physical_nodes &&
adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0)) {
/* Vega20+XGMI caches PTEs in TC and TLB. Add a
* heavy-weight TLB flush (type 2), which flushes
* both. Due to a race condition with concurrent
* memory accesses using the same TLB cache line, we
* still need a second TLB flush after this.
*/
inv_req = gmc_v9_0_get_invalidate_req(vmid, 2);
inv_req2 = gmc_v9_0_get_invalidate_req(vmid, flush_type);
} else if (flush_type == 2 &&
adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3) &&
adev->rev_id == 0) {
inv_req = gmc_v9_0_get_invalidate_req(vmid, 0);
inv_req2 = gmc_v9_0_get_invalidate_req(vmid, flush_type);
} else {
inv_req = gmc_v9_0_get_invalidate_req(vmid, flush_type);
inv_req2 = 0;
}
/* This is necessary for a HW workaround under SRIOV as well
* as GFXOFF under bare metal
*/
if (adev->gfx.kiq[0].ring.sched.ready &&
(amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) &&
down_read_trylock(&adev->reset_domain->sem)) {
uint32_t req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
uint32_t ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req,
1 << vmid);
up_read(&adev->reset_domain->sem);
return;
}
spin_lock(&adev->gmc.invalidate_lock);
/*
* It may lose gpuvm invalidate acknowldege state across power-gating
* off cycle, add semaphore acquire before invalidation and semaphore
* release after invalidation to avoid entering power gated state
* to WA the Issue
*/
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
if (use_semaphore) {
for (j = 0; j < adev->usec_timeout; j++) {
/* a read return value of 1 means semaphore acquire */
if (vmhub >= AMDGPU_MMHUB0(0))
tmp = RREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_sem + hub->eng_distance * eng);
else
tmp = RREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_sem + hub->eng_distance * eng);
if (tmp & 0x1)
break;
udelay(1);
}
if (j >= adev->usec_timeout)
DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
}
do {
if (vmhub >= AMDGPU_MMHUB0(0))
WREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req);
else
WREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req);
/*
* Issue a dummy read to wait for the ACK register to
* be cleared to avoid a false ACK due to the new fast
* GRBM interface.
*/
if ((vmhub == AMDGPU_GFXHUB(0)) &&
(adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 4, 2)))
RREG32_NO_KIQ(hub->vm_inv_eng0_req +
hub->eng_distance * eng);
for (j = 0; j < adev->usec_timeout; j++) {
if (vmhub >= AMDGPU_MMHUB0(0))
tmp = RREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_ack + hub->eng_distance * eng);
else
tmp = RREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_ack + hub->eng_distance * eng);
if (tmp & (1 << vmid))
break;
udelay(1);
}
inv_req = inv_req2;
inv_req2 = 0;
} while (inv_req);
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
if (use_semaphore) {
/*
* add semaphore release after invalidation,
* write with 0 means semaphore release
*/
if (vmhub >= AMDGPU_MMHUB0(0))
WREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_sem + hub->eng_distance * eng, 0);
else
WREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_sem + hub->eng_distance * eng, 0);
}
spin_unlock(&adev->gmc.invalidate_lock);
if (j < adev->usec_timeout)
return;
DRM_ERROR("Timeout waiting for VM flush ACK!\n");
}
/**
* gmc_v9_0_flush_gpu_tlb_pasid - tlb flush via pasid
*
* @adev: amdgpu_device pointer
* @pasid: pasid to be flush
* @flush_type: the flush type
* @all_hub: flush all hubs
* @inst: is used to select which instance of KIQ to use for the invalidation
*
* Flush the TLB for the requested pasid.
*/
static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
uint16_t pasid, uint32_t flush_type,
bool all_hub, uint32_t inst)
{
int vmid, i;
signed long r;
uint32_t seq;
uint16_t queried_pasid;
bool ret;
u32 usec_timeout = amdgpu_sriov_vf(adev) ? SRIOV_USEC_TIMEOUT : adev->usec_timeout;
struct amdgpu_ring *ring = &adev->gfx.kiq[inst].ring;
struct amdgpu_kiq *kiq = &adev->gfx.kiq[inst];
if (amdgpu_in_reset(adev))
return -EIO;
if (ring->sched.ready && down_read_trylock(&adev->reset_domain->sem)) {
/* Vega20+XGMI caches PTEs in TC and TLB. Add a
* heavy-weight TLB flush (type 2), which flushes
* both. Due to a race condition with concurrent
* memory accesses using the same TLB cache line, we
* still need a second TLB flush after this.
*/
bool vega20_xgmi_wa = (adev->gmc.xgmi.num_physical_nodes &&
adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0));
/* 2 dwords flush + 8 dwords fence */
unsigned int ndw = kiq->pmf->invalidate_tlbs_size + 8;
if (vega20_xgmi_wa)
ndw += kiq->pmf->invalidate_tlbs_size;
spin_lock(&adev->gfx.kiq[inst].ring_lock);
/* 2 dwords flush + 8 dwords fence */
amdgpu_ring_alloc(ring, ndw);
if (vega20_xgmi_wa)
kiq->pmf->kiq_invalidate_tlbs(ring,
pasid, 2, all_hub);
if (flush_type == 2 &&
adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3) &&
adev->rev_id == 0)
kiq->pmf->kiq_invalidate_tlbs(ring,
pasid, 0, all_hub);
kiq->pmf->kiq_invalidate_tlbs(ring,
pasid, flush_type, all_hub);
r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
if (r) {
amdgpu_ring_undo(ring);
spin_unlock(&adev->gfx.kiq[inst].ring_lock);
up_read(&adev->reset_domain->sem);
return -ETIME;
}
amdgpu_ring_commit(ring);