/*
* Copyright 2022 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 "amdgpu.h"
#include "amdgpu_xcp.h"
#include "gfxhub_v1_2.h"
#include "gfxhub_v1_1.h"
#include "gc/gc_9_4_3_offset.h"
#include "gc/gc_9_4_3_sh_mask.h"
#include "vega10_enum.h"
#include "soc15_common.h"
#define regVM_L2_CNTL3_DEFAULT 0x80100007
#define regVM_L2_CNTL4_DEFAULT 0x000000c1
static u64 gfxhub_v1_2_get_mc_fb_offset(struct amdgpu_device *adev)
{
return (u64)RREG32_SOC15(GC, GET_INST(GC, 0), regMC_VM_FB_OFFSET) << 24;
}
static void gfxhub_v1_2_xcc_setup_vm_pt_regs(struct amdgpu_device *adev,
uint32_t vmid,
uint64_t page_table_base,
uint32_t xcc_mask)
{
struct amdgpu_vmhub *hub;
int i;
for_each_inst(i, xcc_mask) {
hub = &adev->vmhub[AMDGPU_GFXHUB(i)];
WREG32_SOC15_OFFSET(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
hub->ctx_addr_distance * vmid,
lower_32_bits(page_table_base));
WREG32_SOC15_OFFSET(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
hub->ctx_addr_distance * vmid,
upper_32_bits(page_table_base));
}
}
static void gfxhub_v1_2_setup_vm_pt_regs(struct amdgpu_device *adev,
uint32_t vmid,
uint64_t page_table_base)
{
uint32_t xcc_mask;
xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0);
gfxhub_v1_2_xcc_setup_vm_pt_regs(adev, vmid, page_table_base, xcc_mask);
}
static void gfxhub_v1_2_xcc_init_gart_aperture_regs(struct amdgpu_device *adev,
uint32_t xcc_mask)
{
uint64_t pt_base;
int i;
if (adev->gmc.pdb0_bo)
pt_base = amdgpu_gmc_pd_addr(adev->gmc.pdb0_bo);
else
pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
gfxhub_v1_2_xcc_setup_vm_pt_regs(adev, 0, pt_base, xcc_mask);
/* If use GART for FB translation, vmid0 page table covers both
* vram and system memory (gart)
*/
for_each_inst(i, xcc_mask) {
if (adev->gmc.pdb0_bo) {
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
(u32)(adev->gmc.fb_start >> 12));
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
(u32)(adev->gmc.fb_start >> 44));
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
(u32)(adev->gmc.gart_end >> 12));
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
(u32)(adev->gmc.gart_end >> 44));
} else {
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
(u32)(adev->gmc.gart_start >> 12));
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
(u32)(adev->gmc.gart_start >> 44));
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
(u32)(adev->gmc.gart_end >> 12));
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
(u32)(adev->gmc.gart_end >> 44));
}
}
}
static void
gfxhub_v1_2_xcc_init_system_aperture_regs(struct amdgpu_device *adev,
uint32_t xcc_mask)
{
uint64_t value;
uint32_t tmp;
int i;
for_each_inst(i, xcc_mask) {
/* Program the AGP BAR */
WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_AGP_BASE, 0);
WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
if (!amdgpu_sriov_vf(adev) || adev->asic_type <= CHIP_VEGA10) {
/* Program the system aperture low logical page number. */
WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_LOW_ADDR,
min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
if (adev->apu_flags & (AMD_APU_IS_RAVEN2 |
AMD_APU_IS_RENOIR |
AMD_APU_IS_GREEN_SARDINE))
/*
* Raven2 has a HW issue that it is unable to use the
* vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR.
* So here is the workaround that increase system
* aperture high address (add 1) to get rid of the VM
* fault and hardware hang.
*/
WREG32_SOC15_RLC(GC, GET_INST(GC, i),
regMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max((adev->gmc.fb_end >> 18) + 0x1,
adev->gmc.agp_end >> 18));
else
WREG32_SOC15_RLC(GC, GET_INST(GC, i),
regMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
/* Set default page address. */
value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr);
WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
(u32)(value >> 12));
WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
(u32)(value >> 44));
/* Program "protection fault". */
WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
(u32)(adev->dummy_page_addr >> 12));
WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
(u32)((u64)adev->dummy_page_addr >> 44));
tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL2);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL2, tmp);
}
/* In the case squeezing vram into GART aperture, we don't use
* FB aperture and AGP aperture. Disable them.
*/
if (adev->gmc.pdb0_bo) {
WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_FB_LOCATION_TOP, 0);
WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_FB_LOCATION_BASE, 0x00FFFFFF);
WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_AGP_TOP, 0);
WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_AGP_BOT, 0xFFFFFF);
WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF);
WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0);
}
}
}
static void gfxhub_v1_2_xcc_init_tlb_regs(struct amdgpu_device *adev,
uint32_t xcc_mask)
{
uint32_t tmp;
int i;
for_each_inst(i, xcc_mask) {
/* Setup TLB control */
tmp = RREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_MX_L1_TLB_CNTL);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
ENABLE_L1_TLB, 1);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
SYSTEM_ACCESS_MODE, 3);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
ENABLE_ADVANCED_DRIVER_MODEL, 1);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
MTYPE, MTYPE_UC);/* XXX for emulation. */
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_MX_L1_TLB_CNTL, tmp);
}
}
static void gfxhub_v1_2_xcc_init_cache_regs(struct amdgpu_device *adev,
uint32_t xcc_mask)
{
uint32_t tmp;
int i;
for_each_inst(i, xcc_mask) {
/* Setup L2 cache */
tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_CNTL);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
/* XXX for emulation, Refer to closed source code.*/
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
0);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL, tmp);
tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_CNTL2);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL2, tmp);
tmp = regVM_L2_CNTL3_DEFAULT;
if (adev->gmc.translate_further) {
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
} else {
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
}
WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL3, tmp);
tmp = regVM_L2_CNTL4_DEFAULT;
/* For AMD APP APUs setup WC memory */
if (adev->gmc.xgmi.connected_to_cpu || adev->gmc.is_app_apu) {
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 1);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 1);
} else {
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
}
WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL4, tmp);
}
}
static void gfxhub_v1_2_xcc_enable_system_domain(struct amdgpu_device *adev,
uint32_t xcc_mask)
{
uint32_t tmp;
int i;
for_each_inst(i, xcc_mask) {
tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_CONTEXT0_CNTL);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH,
adev->gmc.vmid0_page_table_depth);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_BLOCK_SIZE,
adev->gmc.vmid0_page_table_block_size);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
WREG32_SOC15(GC, GET_INST(GC, i), regVM_CONTEXT0_CNTL, tmp);
}
}
static void
gfxhub_v1_2_xcc_disable_identity_aperture(struct amdgpu_device *adev,
uint32_t xcc_mask)
{
int i;
for_each_inst(i, xcc_mask) {
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
0XFFFFFFFF);
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
0x0000000F);
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
0);
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
0);
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
WREG32_SOC15(GC, GET_INST(GC, i),
regVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
}
}
static void gfxhub_v1_2_xcc_setup_vmid_config(struct amdgpu_device *adev,
uint32_t xcc_mask)
{
struct amdgpu_vmhub *hub;
unsigned int num_level, block_size;
uint32_t tmp;
int i, j;
num_level = adev->vm_manager.num_level;
block_size = adev->vm_manager.block_size;
if (adev->gmc.translate_further)
num_level -= 1;
else
block_size -= 9;
for_each_inst(j, xcc_mask) {
hub = &adev->vmhub[AMDGPU_GFXHUB(j)];
for (i = 0; i <= 14; i++) {
tmp = RREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_CONTEXT1_CNTL,
i * hub->ctx_distance);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
num_level);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
PAGE_TABLE_BLOCK_SIZE,
block_size);
/* Send no-retry XNACK on fault to suppress VM fault storm.
* On 9.4.2 and 9.4.3, XNACK can be enabled in
* the SQ per-process.
* Retry faults need to be enabled for that to work.
*/
tmp = REG_SET_FIELD(
tmp, VM_CONTEXT1_CNTL,
RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
!adev->gmc.noretry ||
amdgpu_ip_version(adev, GC_HWIP, 0) ==
IP_VERSION(9, 4, 2) ||
amdgpu_ip_version(adev, GC_HWIP, 0) ==
IP_VERSION(9, 4, 3) ||
amdgpu_ip_version(adev, GC_HWIP, 0) ==
IP_VERSION(9, 4, 4));
WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_CONTEXT1_CNTL,
i * hub->ctx_distance, tmp);
WREG32_SOC15_OFFSET(GC, GET_INST(GC, j),
regVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
i * hub->ctx_addr_distance, 0);
WREG32_SOC15_OFFSET(GC, GET_INST(GC, j),
regVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
i * hub->ctx_addr_distance, 0);
WREG32_SOC15_OFFSET(GC, GET_INST(GC, j),
regVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
i * hub->ctx_addr_distance,
lower_32_bits(adev->vm_manager.max_pfn - 1));
WREG32_SOC15_OFFSET(GC, GET_INST(GC, j),
regVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
i * hub->ctx_addr_distance,
upper_32_bits(adev->vm_manager.max_pfn - 1));
}
}
}
static void gfxhub_v1_2_xcc_program_invalidation(struct amdgpu_device *adev,
uint32_t xcc_mask)
{
struct amdgpu_vmhub *hub;
unsigned int i, j;
for_each_inst(j, xcc_mask) {
hub = &adev->vmhub[AMDGPU_GFXHUB(j)];
for (i = 0 ; i < 18; ++i) {
WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
i * hub->eng_addr_distance, 0xffffffff);
WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
i * hub->eng_addr_distance, 0x1f);
}
}
}
static int gfxhub_v1_2_xcc_gart_enable(struct amdgpu_device *adev,
uint32_t xcc_mask)
{
/* GART Enable. */
gfxhub_v1_2_xcc_init_gart_aperture_regs(adev, xcc_mask);
gfxhub_v1_2_xcc_init_system_aperture_regs(adev, xcc_mask);
gfxhub_v1_2_xcc_init_tlb_regs(adev, xcc_mask);
if (!amdgpu_sriov_vf(adev))
gfxhub_v1_2_xcc_init_cache_regs(adev, xcc_mask);
gfxhub_v1_2_xcc_enable_system_domain(adev, xcc_mask);
if (!amdgpu_sriov_vf(adev))
gfxhub_v1_2_xcc_disable_identity_aperture(adev, xcc_mask);
gfxhub_v1_2_xcc_setup_vmid_config(adev, xcc_mask);
gfxhub_v1_2_xcc_program_invalidation(adev, xcc_mask);
return 0;
}
static int gfxhub_v1_2_gart_enable(struct amdgpu_device *adev)
{
uint32_t xcc_mask;
xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0);
return gfxhub_v1_2_xcc_gart_enable(adev, xcc_mask);
}
static void gfxhub_v1_2_xcc_gart_disable(struct amdgpu_device *adev,
uint32_t xcc_mask)
{
struct amdgpu_vmhub *hub;
u32 tmp;
u32 i, j;
for_each_inst(j, xcc_mask) {
hub = &adev->vmhub[AMDGPU_GFXHUB(j)];
/* Disable all tables */
for (i = 0; i < 16; i++)
WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_CONTEXT0_CNTL,
i * hub->ctx_distance, 0);
/* Setup TLB control */
tmp = RREG32_SOC15(GC, GET_INST(GC, j), regMC_VM_MX_L1_TLB_CNTL);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
ENABLE_ADVANCED_DRIVER_MODEL,
0);
WREG32_SOC15_RLC(GC, GET_INST(GC, j), regMC_VM_MX_L1_TLB_CNTL, tmp);
/* Setup L2 cache */
if (!amdgpu_sriov_vf(adev)) {
tmp = RREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
WREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL, tmp);
WREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL3, 0);
}
}
}
static void gfxhub_v1_2_gart_disable(struct amdgpu_device *adev)
{
uint32_t xcc_mask;
xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0);
gfxhub_v1_2_xcc_gart_disable(adev, xcc_mask);
}
static void gfxhub_v1_2_xcc_set_fault_enable_default(struct amdgpu_device *adev,
bool value,
uint32_t xcc_mask)
{
u32 tmp;
int i;
for_each_inst(i, xcc_mask) {
tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp,
VM_L2_PROTECTION_FAULT_CNTL,
TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
if (!value) {
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
CRASH_ON_NO_RETRY_FAULT, 1);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
CRASH_ON_RETRY_FAULT, 1);
}
WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL, tmp);
}
}
/**
* gfxhub_v1_2_set_fault_enable_default - update GART/VM fault handling
*
* @adev: amdgpu_device pointer
* @value: true redirects VM faults to the default page
*/
static void gfxhub_v1_2_set_fault_enable_default(struct amdgpu_device *adev,
bool value)
{
uint32_t xcc_mask;
xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0);
gfxhub_v1_2_xcc_set_fault_enable_default(adev, value, xcc_mask);
}
static void gfxhub_v1_2_xcc_init(struct amdgpu_device *adev, uint32_t xcc_mask)
{
struct amdgpu_vmhub *hub;
int i;
for_each_inst(i, xcc_mask) {
hub = &adev->vmhub[AMDGPU_GFXHUB(i)];
hub->ctx0_ptb_addr_lo32 =
SOC15_REG_OFFSET(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
hub->ctx0_ptb_addr_hi32 =
SOC15_REG_OFFSET(GC, GET_INST(GC, i),
regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
hub->vm_inv_eng0_sem =
SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_INVALIDATE_ENG0_SEM);
hub->vm_inv_eng0_req =
SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_INVALIDATE_ENG0_REQ);
hub->vm_inv_eng0_ack =
SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_INVALIDATE_ENG0_ACK);
hub->vm_context0_cntl =
SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_CONTEXT0_CNTL);
hub->vm_l2_pro_fault_status =
SOC15_REG_OFFSET(GC, GET_INST(GC, i),
regVM_L2_PROTECTION_FAULT_STATUS);
hub->vm_l2_pro_fault_cntl =
SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL);
hub->ctx_distance = regVM_CONTEXT1_CNTL -
regVM_CONTEXT0_CNTL;
hub->ctx_addr_distance =
regVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
hub->eng_distance = regVM_INVALIDATE_ENG1_REQ -
regVM_INVALIDATE_ENG0_REQ;
hub->eng_addr_distance =
regVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
}
}
static void gfxhub_v1_2_init(struct amdgpu_device *adev)
{
uint32_t xcc_mask;
xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0);
gfxhub_v1_2_xcc_init(adev, xcc_mask);
}
static int gfxhub_v1_2_get_xgmi_info(struct amdgpu_device *adev)
{
u32 max_num_physical_nodes;
u32 max_physical_node_id;
u32 xgmi_lfb_cntl;
u32 max_region;
u64 seg_size;
xgmi_lfb_cntl = RREG32_SOC15(GC, GET_INST(GC, 0), regMC_VM_XGMI_LFB_CNTL);
seg_size = REG_GET_FIELD(
RREG32_SOC15(GC, GET_INST(GC, 0), regMC_VM_XGMI_LFB_SIZE),
MC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24;
max_region =
REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION);
max_num_physical_nodes = 8;
max_physical_node_id = 7;
/* PF_MAX_REGION=0 means xgmi is disabled */
if (max_region || adev->gmc.xgmi.connected_to_cpu) {
adev->gmc.xgmi.num_physical_nodes = max_region + 1;
if (adev->gmc.xgmi.num_physical_nodes > max_num_physical_nodes)
return -EINVAL;
adev->gmc.xgmi.physical_node_id =
REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL,
PF_LFB_REGION);
if (adev->gmc.xgmi.physical_node_id > max_physical_node_id)
return -EINVAL;
adev->gmc.xgmi.node_segment_size = seg_size;
}
return 0;
}
const struct amdgpu_gfxhub_funcs gfxhub_v1_2_funcs = {
.get_mc_fb_offset = gfxhub_v1_2_get_mc_fb_offset,
.setup_vm_pt_regs = gfxhub_v1_2_setup_vm_pt_regs,
.gart_enable = gfxhub_v1_2_gart_enable,
.gart_disable = gfxhub_v1_2_gart_disable,
.set_fault_enable_default = gfxhub_v1_2_set_fault_enable_default,
.init = gfxhub_v1_2_init,
.get_xgmi_info = gfxhub_v1_2_get_xgmi_info,
};
static int gfxhub_v1_2_xcp_resume(void *handle, uint32_t inst_mask)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
bool value;
if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
value = false;
else
value = true;
gfxhub_v1_2_xcc_set_fault_enable_default(adev, value, inst_mask);
if (!amdgpu_sriov_vf(adev))
return gfxhub_v1_2_xcc_gart_enable(adev, inst_mask);
return 0;
}
static int gfxhub_v1_2_xcp_suspend(void *handle, uint32_t inst_mask)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!amdgpu_sriov_vf(adev))
gfxhub_v1_2_xcc_gart_disable(adev, inst_mask);
return 0;
}
struct amdgpu_xcp_ip_funcs gfxhub_v1_2_xcp_funcs = {
.suspend = &gfxhub_v1_2_xcp_suspend,
.resume = &gfxhub_v1_2_xcp_resume
};
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