diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 1233 |
1 files changed, 1233 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c new file mode 100644 index 000000000..8b25940c1 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -0,0 +1,1233 @@ +/* + * 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 <drm/drm_cache.h> +#include "amdgpu.h" +#include "gmc_v9_0.h" +#include "amdgpu_atomfirmware.h" + +#include "hdp/hdp_4_0_offset.h" +#include "hdp/hdp_4_0_sh_mask.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_offset.h" +#include "oss/osssys_4_0_offset.h" + +#include "soc15.h" +#include "soc15_common.h" +#include "umc/umc_6_0_sh_mask.h" + +#include "gfxhub_v1_0.h" +#include "mmhub_v1_0.h" + +#include "ivsrcid/vmc/irqsrcs_vmc_1_0.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 + +/* XXX Move this macro to VEGA10 header file, which is like vid.h for VI.*/ +#define AMDGPU_NUM_OF_VMIDS 8 + +static const u32 golden_settings_vega10_hdp[] = +{ + 0xf64, 0x0fffffff, 0x00000000, + 0xf65, 0x0fffffff, 0x00000000, + 0xf66, 0x0fffffff, 0x00000000, + 0xf67, 0x0fffffff, 0x00000000, + 0xf68, 0x0fffffff, 0x00000000, + 0xf6a, 0x0fffffff, 0x00000000, + 0xf6b, 0x0fffffff, 0x00000000, + 0xf6c, 0x0fffffff, 0x00000000, + 0xf6d, 0x0fffffff, 0x00000000, + 0xf6e, 0x0fffffff, 0x00000000, +}; + +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) +}; + +/* Ecc related register addresses, (BASE + reg offset) */ +/* Universal Memory Controller caps (may be fused). */ +/* UMCCH:UmcLocalCap */ +#define UMCLOCALCAPS_ADDR0 (0x00014306 + 0x00000000) +#define UMCLOCALCAPS_ADDR1 (0x00014306 + 0x00000800) +#define UMCLOCALCAPS_ADDR2 (0x00014306 + 0x00001000) +#define UMCLOCALCAPS_ADDR3 (0x00014306 + 0x00001800) +#define UMCLOCALCAPS_ADDR4 (0x00054306 + 0x00000000) +#define UMCLOCALCAPS_ADDR5 (0x00054306 + 0x00000800) +#define UMCLOCALCAPS_ADDR6 (0x00054306 + 0x00001000) +#define UMCLOCALCAPS_ADDR7 (0x00054306 + 0x00001800) +#define UMCLOCALCAPS_ADDR8 (0x00094306 + 0x00000000) +#define UMCLOCALCAPS_ADDR9 (0x00094306 + 0x00000800) +#define UMCLOCALCAPS_ADDR10 (0x00094306 + 0x00001000) +#define UMCLOCALCAPS_ADDR11 (0x00094306 + 0x00001800) +#define UMCLOCALCAPS_ADDR12 (0x000d4306 + 0x00000000) +#define UMCLOCALCAPS_ADDR13 (0x000d4306 + 0x00000800) +#define UMCLOCALCAPS_ADDR14 (0x000d4306 + 0x00001000) +#define UMCLOCALCAPS_ADDR15 (0x000d4306 + 0x00001800) + +/* Universal Memory Controller Channel config. */ +/* UMCCH:UMC_CONFIG */ +#define UMCCH_UMC_CONFIG_ADDR0 (0x00014040 + 0x00000000) +#define UMCCH_UMC_CONFIG_ADDR1 (0x00014040 + 0x00000800) +#define UMCCH_UMC_CONFIG_ADDR2 (0x00014040 + 0x00001000) +#define UMCCH_UMC_CONFIG_ADDR3 (0x00014040 + 0x00001800) +#define UMCCH_UMC_CONFIG_ADDR4 (0x00054040 + 0x00000000) +#define UMCCH_UMC_CONFIG_ADDR5 (0x00054040 + 0x00000800) +#define UMCCH_UMC_CONFIG_ADDR6 (0x00054040 + 0x00001000) +#define UMCCH_UMC_CONFIG_ADDR7 (0x00054040 + 0x00001800) +#define UMCCH_UMC_CONFIG_ADDR8 (0x00094040 + 0x00000000) +#define UMCCH_UMC_CONFIG_ADDR9 (0x00094040 + 0x00000800) +#define UMCCH_UMC_CONFIG_ADDR10 (0x00094040 + 0x00001000) +#define UMCCH_UMC_CONFIG_ADDR11 (0x00094040 + 0x00001800) +#define UMCCH_UMC_CONFIG_ADDR12 (0x000d4040 + 0x00000000) +#define UMCCH_UMC_CONFIG_ADDR13 (0x000d4040 + 0x00000800) +#define UMCCH_UMC_CONFIG_ADDR14 (0x000d4040 + 0x00001000) +#define UMCCH_UMC_CONFIG_ADDR15 (0x000d4040 + 0x00001800) + +/* Universal Memory Controller Channel Ecc config. */ +/* UMCCH:EccCtrl */ +#define UMCCH_ECCCTRL_ADDR0 (0x00014053 + 0x00000000) +#define UMCCH_ECCCTRL_ADDR1 (0x00014053 + 0x00000800) +#define UMCCH_ECCCTRL_ADDR2 (0x00014053 + 0x00001000) +#define UMCCH_ECCCTRL_ADDR3 (0x00014053 + 0x00001800) +#define UMCCH_ECCCTRL_ADDR4 (0x00054053 + 0x00000000) +#define UMCCH_ECCCTRL_ADDR5 (0x00054053 + 0x00000800) +#define UMCCH_ECCCTRL_ADDR6 (0x00054053 + 0x00001000) +#define UMCCH_ECCCTRL_ADDR7 (0x00054053 + 0x00001800) +#define UMCCH_ECCCTRL_ADDR8 (0x00094053 + 0x00000000) +#define UMCCH_ECCCTRL_ADDR9 (0x00094053 + 0x00000800) +#define UMCCH_ECCCTRL_ADDR10 (0x00094053 + 0x00001000) +#define UMCCH_ECCCTRL_ADDR11 (0x00094053 + 0x00001800) +#define UMCCH_ECCCTRL_ADDR12 (0x000d4053 + 0x00000000) +#define UMCCH_ECCCTRL_ADDR13 (0x000d4053 + 0x00000800) +#define UMCCH_ECCCTRL_ADDR14 (0x000d4053 + 0x00001000) +#define UMCCH_ECCCTRL_ADDR15 (0x000d4053 + 0x00001800) + +static const uint32_t ecc_umclocalcap_addrs[] = { + UMCLOCALCAPS_ADDR0, + UMCLOCALCAPS_ADDR1, + UMCLOCALCAPS_ADDR2, + UMCLOCALCAPS_ADDR3, + UMCLOCALCAPS_ADDR4, + UMCLOCALCAPS_ADDR5, + UMCLOCALCAPS_ADDR6, + UMCLOCALCAPS_ADDR7, + UMCLOCALCAPS_ADDR8, + UMCLOCALCAPS_ADDR9, + UMCLOCALCAPS_ADDR10, + UMCLOCALCAPS_ADDR11, + UMCLOCALCAPS_ADDR12, + UMCLOCALCAPS_ADDR13, + UMCLOCALCAPS_ADDR14, + UMCLOCALCAPS_ADDR15, +}; + +static const uint32_t ecc_umcch_umc_config_addrs[] = { + UMCCH_UMC_CONFIG_ADDR0, + UMCCH_UMC_CONFIG_ADDR1, + UMCCH_UMC_CONFIG_ADDR2, + UMCCH_UMC_CONFIG_ADDR3, + UMCCH_UMC_CONFIG_ADDR4, + UMCCH_UMC_CONFIG_ADDR5, + UMCCH_UMC_CONFIG_ADDR6, + UMCCH_UMC_CONFIG_ADDR7, + UMCCH_UMC_CONFIG_ADDR8, + UMCCH_UMC_CONFIG_ADDR9, + UMCCH_UMC_CONFIG_ADDR10, + UMCCH_UMC_CONFIG_ADDR11, + UMCCH_UMC_CONFIG_ADDR12, + UMCCH_UMC_CONFIG_ADDR13, + UMCCH_UMC_CONFIG_ADDR14, + UMCCH_UMC_CONFIG_ADDR15, +}; + +static const uint32_t ecc_umcch_eccctrl_addrs[] = { + UMCCH_ECCCTRL_ADDR0, + UMCCH_ECCCTRL_ADDR1, + UMCCH_ECCCTRL_ADDR2, + UMCCH_ECCCTRL_ADDR3, + UMCCH_ECCCTRL_ADDR4, + UMCCH_ECCCTRL_ADDR5, + UMCCH_ECCCTRL_ADDR6, + UMCCH_ECCCTRL_ADDR7, + UMCCH_ECCCTRL_ADDR8, + UMCCH_ECCCTRL_ADDR9, + UMCCH_ECCCTRL_ADDR10, + UMCCH_ECCCTRL_ADDR11, + UMCCH_ECCCTRL_ADDR12, + UMCCH_ECCCTRL_ADDR13, + UMCCH_ECCCTRL_ADDR14, + UMCCH_ECCCTRL_ADDR15, +}; + +static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *src, + unsigned 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 (j = 0; j < AMDGPU_MAX_VMHUBS; j++) { + hub = &adev->vmhub[j]; + for (i = 0; i < 16; i++) { + reg = hub->vm_context0_cntl + i; + tmp = RREG32(reg); + tmp &= ~bits; + WREG32(reg, tmp); + } + } + break; + case AMDGPU_IRQ_STATE_ENABLE: + for (j = 0; j < AMDGPU_MAX_VMHUBS; j++) { + hub = &adev->vmhub[j]; + for (i = 0; i < 16; i++) { + reg = hub->vm_context0_cntl + i; + tmp = RREG32(reg); + tmp |= bits; + WREG32(reg, tmp); + } + } + 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) +{ + struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_src]; + uint32_t status = 0; + u64 addr; + + addr = (u64)entry->src_data[0] << 12; + addr |= ((u64)entry->src_data[1] & 0xf) << 44; + + if (!amdgpu_sriov_vf(adev)) { + status = RREG32(hub->vm_l2_pro_fault_status); + WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); + } + + if (printk_ratelimit()) { + struct amdgpu_task_info task_info = { 0 }; + + amdgpu_vm_get_task_info(adev, entry->pasid, &task_info); + + dev_err(adev->dev, + "[%s] VMC page fault (src_id:%u ring:%u vmid:%u pasid:%u, for process %s pid %d thread %s pid %d\n)\n", + entry->vmid_src ? "mmhub" : "gfxhub", + 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, " at address 0x%016llx from %d\n", + addr, entry->client_id); + if (!amdgpu_sriov_vf(adev)) + dev_err(adev->dev, + "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", + status); + } + + 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 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; +} + +static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid) +{ + u32 req = 0; + + /* invalidate using legacy mode on vmid*/ + 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, 0); + 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; +} + +/* + * 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 - gart tlb flush callback + * + * @adev: amdgpu_device pointer + * @vmid: vm instance to flush + * + * Flush the TLB for the requested page table. + */ +static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, + uint32_t vmid) +{ + /* Use register 17 for GART */ + const unsigned eng = 17; + unsigned i, j; + + spin_lock(&adev->gmc.invalidate_lock); + + for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) { + struct amdgpu_vmhub *hub = &adev->vmhub[i]; + u32 tmp = gmc_v9_0_get_invalidate_req(vmid); + + WREG32_NO_KIQ(hub->vm_inv_eng0_req + eng, tmp); + + /* Busy wait for ACK.*/ + for (j = 0; j < 100; j++) { + tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + eng); + tmp &= 1 << vmid; + if (tmp) + break; + cpu_relax(); + } + if (j < 100) + continue; + + /* Wait for ACK with a delay.*/ + for (j = 0; j < adev->usec_timeout; j++) { + tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + eng); + tmp &= 1 << vmid; + if (tmp) + break; + udelay(1); + } + if (j < adev->usec_timeout) + continue; + + DRM_ERROR("Timeout waiting for VM flush ACK!\n"); + } + + spin_unlock(&adev->gmc.invalidate_lock); +} + +static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, + unsigned vmid, uint64_t pd_addr) +{ + struct amdgpu_device *adev = ring->adev; + struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub]; + uint32_t req = gmc_v9_0_get_invalidate_req(vmid); + uint64_t flags = AMDGPU_PTE_VALID; + unsigned eng = ring->vm_inv_eng; + + amdgpu_gmc_get_vm_pde(adev, -1, &pd_addr, &flags); + pd_addr |= flags; + + amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + (2 * vmid), + lower_32_bits(pd_addr)); + + amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + (2 * vmid), + upper_32_bits(pd_addr)); + + amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req + eng, + hub->vm_inv_eng0_ack + eng, + req, 1 << vmid); + + return pd_addr; +} + +static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, + unsigned pasid) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t reg; + + if (ring->funcs->vmhub == AMDGPU_GFXHUB) + reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid; + else + reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid; + + amdgpu_ring_emit_wreg(ring, reg, pasid); +} + +/** + * gmc_v9_0_set_pte_pde - update the page tables using MMIO + * + * @adev: amdgpu_device pointer + * @cpu_pt_addr: cpu address of the page table + * @gpu_page_idx: entry in the page table to update + * @addr: dst addr to write into pte/pde + * @flags: access flags + * + * Update the page tables using the CPU. + */ +static int gmc_v9_0_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_addr, + uint32_t gpu_page_idx, uint64_t addr, + uint64_t flags) +{ + void __iomem *ptr = (void *)cpu_pt_addr; + uint64_t value; + + /* + * PTE format on VEGA 10: + * 63:59 reserved + * 58:57 mtype + * 56 F + * 55 L + * 54 P + * 53 SW + * 52 T + * 50:48 reserved + * 47:12 4k physical page base address + * 11:7 fragment + * 6 write + * 5 read + * 4 exe + * 3 Z + * 2 snooped + * 1 system + * 0 valid + * + * PDE format on VEGA 10: + * 63:59 block fragment size + * 58:55 reserved + * 54 P + * 53:48 reserved + * 47:6 physical base address of PD or PTE + * 5:3 reserved + * 2 C + * 1 system + * 0 valid + */ + + /* + * The following is for PTE only. GART does not have PDEs. + */ + value = addr & 0x0000FFFFFFFFF000ULL; + value |= flags; + writeq(value, ptr + (gpu_page_idx * 8)); + return 0; +} + +static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device *adev, + uint32_t flags) + +{ + uint64_t pte_flag = 0; + + if (flags & AMDGPU_VM_PAGE_EXECUTABLE) + pte_flag |= AMDGPU_PTE_EXECUTABLE; + if (flags & AMDGPU_VM_PAGE_READABLE) + pte_flag |= AMDGPU_PTE_READABLE; + if (flags & AMDGPU_VM_PAGE_WRITEABLE) + pte_flag |= AMDGPU_PTE_WRITEABLE; + + switch (flags & AMDGPU_VM_MTYPE_MASK) { + case AMDGPU_VM_MTYPE_DEFAULT: + pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC); + break; + case AMDGPU_VM_MTYPE_NC: + pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC); + break; + case AMDGPU_VM_MTYPE_WC: + pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_WC); + break; + case AMDGPU_VM_MTYPE_CC: + pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_CC); + break; + case AMDGPU_VM_MTYPE_UC: + pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_UC); + break; + default: + pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC); + break; + } + + if (flags & AMDGPU_VM_PAGE_PRT) + pte_flag |= AMDGPU_PTE_PRT; + + return pte_flag; +} + +static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level, + uint64_t *addr, uint64_t *flags) +{ + if (!(*flags & AMDGPU_PDE_PTE)) + *addr = adev->vm_manager.vram_base_offset + *addr - + adev->gmc.vram_start; + BUG_ON(*addr & 0xFFFF00000000003FULL); + + if (!adev->gmc.translate_further) + return; + + if (level == AMDGPU_VM_PDB1) { + /* Set the block fragment size */ + if (!(*flags & AMDGPU_PDE_PTE)) + *flags |= AMDGPU_PDE_BFS(0x9); + + } else if (level == AMDGPU_VM_PDB0) { + if (*flags & AMDGPU_PDE_PTE) + *flags &= ~AMDGPU_PDE_PTE; + else + *flags |= AMDGPU_PTE_TF; + } +} + +static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = { + .flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb, + .emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb, + .emit_pasid_mapping = gmc_v9_0_emit_pasid_mapping, + .set_pte_pde = gmc_v9_0_set_pte_pde, + .get_vm_pte_flags = gmc_v9_0_get_vm_pte_flags, + .get_vm_pde = gmc_v9_0_get_vm_pde +}; + +static void gmc_v9_0_set_gmc_funcs(struct amdgpu_device *adev) +{ + if (adev->gmc.gmc_funcs == NULL) + adev->gmc.gmc_funcs = &gmc_v9_0_gmc_funcs; +} + +static int gmc_v9_0_early_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + gmc_v9_0_set_gmc_funcs(adev); + gmc_v9_0_set_irq_funcs(adev); + + adev->gmc.shared_aperture_start = 0x2000000000000000ULL; + adev->gmc.shared_aperture_end = + adev->gmc.shared_aperture_start + (4ULL << 30) - 1; + adev->gmc.private_aperture_start = 0x1000000000000000ULL; + adev->gmc.private_aperture_end = + adev->gmc.private_aperture_start + (4ULL << 30) - 1; + + return 0; +} + +static int gmc_v9_0_ecc_available(struct amdgpu_device *adev) +{ + uint32_t reg_val; + uint32_t reg_addr; + uint32_t field_val; + size_t i; + uint32_t fv2; + size_t lost_sheep; + + DRM_DEBUG("ecc: gmc_v9_0_ecc_available()\n"); + + lost_sheep = 0; + for (i = 0; i < ARRAY_SIZE(ecc_umclocalcap_addrs); ++i) { + reg_addr = ecc_umclocalcap_addrs[i]; + DRM_DEBUG("ecc: " + "UMCCH_UmcLocalCap[%zu]: reg_addr: 0x%08x\n", + i, reg_addr); + reg_val = RREG32(reg_addr); + field_val = REG_GET_FIELD(reg_val, UMCCH0_0_UmcLocalCap, + EccDis); + DRM_DEBUG("ecc: " + "reg_val: 0x%08x, " + "EccDis: 0x%08x, ", + reg_val, field_val); + if (field_val) { + DRM_ERROR("ecc: UmcLocalCap:EccDis is set.\n"); + ++lost_sheep; + } + } + + for (i = 0; i < ARRAY_SIZE(ecc_umcch_umc_config_addrs); ++i) { + reg_addr = ecc_umcch_umc_config_addrs[i]; + DRM_DEBUG("ecc: " + "UMCCH0_0_UMC_CONFIG[%zu]: reg_addr: 0x%08x", + i, reg_addr); + reg_val = RREG32(reg_addr); + field_val = REG_GET_FIELD(reg_val, UMCCH0_0_UMC_CONFIG, + DramReady); + DRM_DEBUG("ecc: " + "reg_val: 0x%08x, " + "DramReady: 0x%08x\n", + reg_val, field_val); + + if (!field_val) { + DRM_ERROR("ecc: UMC_CONFIG:DramReady is not set.\n"); + ++lost_sheep; + } + } + + for (i = 0; i < ARRAY_SIZE(ecc_umcch_eccctrl_addrs); ++i) { + reg_addr = ecc_umcch_eccctrl_addrs[i]; + DRM_DEBUG("ecc: " + "UMCCH_EccCtrl[%zu]: reg_addr: 0x%08x, ", + i, reg_addr); + reg_val = RREG32(reg_addr); + field_val = REG_GET_FIELD(reg_val, UMCCH0_0_EccCtrl, + WrEccEn); + fv2 = REG_GET_FIELD(reg_val, UMCCH0_0_EccCtrl, + RdEccEn); + DRM_DEBUG("ecc: " + "reg_val: 0x%08x, " + "WrEccEn: 0x%08x, " + "RdEccEn: 0x%08x\n", + reg_val, field_val, fv2); + + if (!field_val) { + DRM_DEBUG("ecc: WrEccEn is not set\n"); + ++lost_sheep; + } + if (!fv2) { + DRM_DEBUG("ecc: RdEccEn is not set\n"); + ++lost_sheep; + } + } + + DRM_DEBUG("ecc: lost_sheep: %zu\n", lost_sheep); + return lost_sheep == 0; +} + +static int gmc_v9_0_late_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + /* + * The latest engine allocation on gfx9 is: + * Engine 0, 1: idle + * Engine 2, 3: firmware + * Engine 4~13: amdgpu ring, subject to change when ring number changes + * Engine 14~15: idle + * Engine 16: kfd tlb invalidation + * Engine 17: Gart flushes + */ + unsigned vm_inv_eng[AMDGPU_MAX_VMHUBS] = { 4, 4 }; + unsigned i; + int r; + + /* + * TODO - Uncomment once GART corruption issue is fixed. + */ + /* amdgpu_bo_late_init(adev); */ + + for(i = 0; i < adev->num_rings; ++i) { + struct amdgpu_ring *ring = adev->rings[i]; + unsigned vmhub = ring->funcs->vmhub; + + ring->vm_inv_eng = vm_inv_eng[vmhub]++; + dev_info(adev->dev, "ring %u(%s) uses VM inv eng %u on hub %u\n", + ring->idx, ring->name, ring->vm_inv_eng, + ring->funcs->vmhub); + } + + /* Engine 16 is used for KFD and 17 for GART flushes */ + for(i = 0; i < AMDGPU_MAX_VMHUBS; ++i) + BUG_ON(vm_inv_eng[i] > 16); + + if (adev->asic_type == CHIP_VEGA10 && !amdgpu_sriov_vf(adev)) { + r = gmc_v9_0_ecc_available(adev); + if (r == 1) { + DRM_INFO("ECC is active.\n"); + } else if (r == 0) { + DRM_INFO("ECC is not present.\n"); + adev->df_funcs->enable_ecc_force_par_wr_rmw(adev, false); + } else { + DRM_ERROR("gmc_v9_0_ecc_available() failed. r: %d\n", r); + return r; + } + } + + return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); +} + +static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev, + struct amdgpu_gmc *mc) +{ + u64 base = 0; + if (!amdgpu_sriov_vf(adev)) + base = mmhub_v1_0_get_fb_location(adev); + amdgpu_device_vram_location(adev, &adev->gmc, base); + amdgpu_device_gart_location(adev, mc); + /* base offset of vram pages */ + adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev); +} + +/** + * gmc_v9_0_mc_init - initialize the memory controller driver params + * + * @adev: amdgpu_device pointer + * + * Look up the amount of vram, vram width, and decide how to place + * vram and gart within the GPU's physical address space. + * Returns 0 for success. + */ +static int gmc_v9_0_mc_init(struct amdgpu_device *adev) +{ + int chansize, numchan; + int r; + + if (amdgpu_emu_mode != 1) + adev->gmc.vram_width = amdgpu_atomfirmware_get_vram_width(adev); + if (!adev->gmc.vram_width) { + /* hbm memory channel size */ + if (adev->flags & AMD_IS_APU) + chansize = 64; + else + chansize = 128; + + numchan = adev->df_funcs->get_hbm_channel_number(adev); + adev->gmc.vram_width = numchan * chansize; + } + + /* size in MB on si */ + adev->gmc.mc_vram_size = + adev->nbio_funcs->get_memsize(adev) * 1024ULL * 1024ULL; + adev->gmc.real_vram_size = adev->gmc.mc_vram_size; + + if (!(adev->flags & AMD_IS_APU)) { + r = amdgpu_device_resize_fb_bar(adev); + if (r) + return r; + } + adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); + adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); + +#ifdef CONFIG_X86_64 + if (adev->flags & AMD_IS_APU) { + adev->gmc.aper_base = gfxhub_v1_0_get_mc_fb_offset(adev); + adev->gmc.aper_size = adev->gmc.real_vram_size; + } +#endif + /* In case the PCI BAR is larger than the actual amount of vram */ + adev->gmc.visible_vram_size = adev->gmc.aper_size; + if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) + adev->gmc.visible_vram_size = adev->gmc.real_vram_size; + + /* set the gart size */ + if (amdgpu_gart_size == -1) { + switch (adev->asic_type) { + case CHIP_VEGA10: /* all engines support GPUVM */ + case CHIP_VEGA12: /* all engines support GPUVM */ + case CHIP_VEGA20: + default: + adev->gmc.gart_size = 512ULL << 20; + break; + case CHIP_RAVEN: /* DCE SG support */ + adev->gmc.gart_size = 1024ULL << 20; + break; + } + } else { + adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; + } + + gmc_v9_0_vram_gtt_location(adev, &adev->gmc); + + return 0; +} + +static int gmc_v9_0_gart_init(struct amdgpu_device *adev) +{ + int r; + + if (adev->gart.robj) { + WARN(1, "VEGA10 PCIE GART already initialized\n"); + return 0; + } + /* Initialize common gart structure */ + r = amdgpu_gart_init(adev); + if (r) + return r; + adev->gart.table_size = adev->gart.num_gpu_pages * 8; + adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE(MTYPE_UC) | + AMDGPU_PTE_EXECUTABLE; + return amdgpu_gart_table_vram_alloc(adev); +} + +static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev) +{ +#if 0 + u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL); +#endif + unsigned size; + + /* + * TODO Remove once GART corruption is resolved + * Check related code in gmc_v9_0_sw_fini + * */ + size = 9 * 1024 * 1024; + +#if 0 + if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { + size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */ + } else { + u32 viewport; + + switch (adev->asic_type) { + case CHIP_RAVEN: + viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION); + size = (REG_GET_FIELD(viewport, + HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) * + REG_GET_FIELD(viewport, + HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) * + 4); + break; + case CHIP_VEGA10: + case CHIP_VEGA12: + default: + viewport = RREG32_SOC15(DCE, 0, mmSCL0_VIEWPORT_SIZE); + size = (REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_HEIGHT) * + REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_WIDTH) * + 4); + break; + } + } + /* return 0 if the pre-OS buffer uses up most of vram */ + if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) + return 0; + +#endif + return size; +} + +static int gmc_v9_0_sw_init(void *handle) +{ + int r; + int dma_bits; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + gfxhub_v1_0_init(adev); + mmhub_v1_0_init(adev); + + spin_lock_init(&adev->gmc.invalidate_lock); + + adev->gmc.vram_type = amdgpu_atomfirmware_get_vram_type(adev); + switch (adev->asic_type) { + case CHIP_RAVEN: + if (adev->rev_id == 0x0 || adev->rev_id == 0x1) { + amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); + } else { + /* vm_size is 128TB + 512GB for legacy 3-level page support */ + amdgpu_vm_adjust_size(adev, 128 * 1024 + 512, 9, 2, 48); + adev->gmc.translate_further = + adev->vm_manager.num_level > 1; + } + break; + case CHIP_VEGA10: + case CHIP_VEGA12: + case CHIP_VEGA20: + /* + * To fulfill 4-level page support, + * vm size is 256TB (48bit), maximum size of Vega10, + * block size 512 (9bit) + */ + amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); + break; + default: + break; + } + + /* This interrupt is VMC page fault.*/ + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC, VMC_1_0__SRCID__VM_FAULT, + &adev->gmc.vm_fault); + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2, UTCL2_1_0__SRCID__FAULT, + &adev->gmc.vm_fault); + + if (r) + return r; + + /* Set the internal MC address mask + * This is the max address of the GPU's + * internal address space. + */ + adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ + + /* set DMA mask + need_dma32 flags. + * PCIE - can handle 44-bits. + * IGP - can handle 44-bits + * PCI - dma32 for legacy pci gart, 44 bits on vega10 + */ + adev->need_dma32 = false; + dma_bits = adev->need_dma32 ? 32 : 44; + r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); + if (r) { + adev->need_dma32 = true; + dma_bits = 32; + printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); + } + r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); + if (r) { + pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32)); + printk(KERN_WARNING "amdgpu: No coherent DMA available.\n"); + } + adev->need_swiotlb = drm_get_max_iomem() > ((u64)1 << dma_bits); + + r = gmc_v9_0_mc_init(adev); + if (r) + return r; + + adev->gmc.stolen_size = gmc_v9_0_get_vbios_fb_size(adev); + + /* Memory manager */ + r = amdgpu_bo_init(adev); + if (r) + return r; + + r = gmc_v9_0_gart_init(adev); + if (r) + return r; + + /* + * number of VMs + * VMID 0 is reserved for System + * amdgpu graphics/compute will use VMIDs 1-7 + * amdkfd will use VMIDs 8-15 + */ + adev->vm_manager.id_mgr[AMDGPU_GFXHUB].num_ids = AMDGPU_NUM_OF_VMIDS; + adev->vm_manager.id_mgr[AMDGPU_MMHUB].num_ids = AMDGPU_NUM_OF_VMIDS; + + amdgpu_vm_manager_init(adev); + + return 0; +} + +static int gmc_v9_0_sw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + amdgpu_gem_force_release(adev); + amdgpu_vm_manager_fini(adev); + + /* + * TODO: + * Currently there is a bug where some memory client outside + * of the driver writes to first 8M of VRAM on S3 resume, + * this overrides GART which by default gets placed in first 8M and + * causes VM_FAULTS once GTT is accessed. + * Keep the stolen memory reservation until the while this is not solved. + * Also check code in gmc_v9_0_get_vbios_fb_size and gmc_v9_0_late_init + */ + amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, NULL); + + amdgpu_gart_table_vram_free(adev); + amdgpu_bo_fini(adev); + amdgpu_gart_fini(adev); + + return 0; +} + +static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev) +{ + + switch (adev->asic_type) { + case CHIP_VEGA10: + case CHIP_VEGA20: + soc15_program_register_sequence(adev, + golden_settings_mmhub_1_0_0, + ARRAY_SIZE(golden_settings_mmhub_1_0_0)); + soc15_program_register_sequence(adev, + golden_settings_athub_1_0_0, + ARRAY_SIZE(golden_settings_athub_1_0_0)); + break; + case CHIP_VEGA12: + break; + case CHIP_RAVEN: + soc15_program_register_sequence(adev, + golden_settings_athub_1_0_0, + ARRAY_SIZE(golden_settings_athub_1_0_0)); + break; + default: + break; + } +} + +/** + * gmc_v9_0_restore_registers - restores regs + * + * @adev: amdgpu_device pointer + * + * This restores register values, saved at suspend. + */ +static void gmc_v9_0_restore_registers(struct amdgpu_device *adev) +{ + if (adev->asic_type == CHIP_RAVEN) + WREG32(mmDCHUBBUB_SDPIF_MMIO_CNTRL_0, adev->gmc.sdpif_register); +} + +/** + * gmc_v9_0_gart_enable - gart enable + * + * @adev: amdgpu_device pointer + */ +static int gmc_v9_0_gart_enable(struct amdgpu_device *adev) +{ + int r; + bool value; + u32 tmp; + + amdgpu_device_program_register_sequence(adev, + golden_settings_vega10_hdp, + ARRAY_SIZE(golden_settings_vega10_hdp)); + + if (adev->gart.robj == NULL) { + dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); + return -EINVAL; + } + r = amdgpu_gart_table_vram_pin(adev); + if (r) + return r; + + switch (adev->asic_type) { + case CHIP_RAVEN: + mmhub_v1_0_initialize_power_gating(adev); + mmhub_v1_0_update_power_gating(adev, true); + break; + default: + break; + } + + r = gfxhub_v1_0_gart_enable(adev); + if (r) + return r; + + r = mmhub_v1_0_gart_enable(adev); + if (r) + return r; + + WREG32_FIELD15(HDP, 0, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 1); + + tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL); + WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp); + + WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8)); + WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE_HI, (adev->gmc.vram_start >> 40)); + + /* After HDP is initialized, flush HDP.*/ + adev->nbio_funcs->hdp_flush(adev, NULL); + + if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) + value = false; + else + value = true; + + gfxhub_v1_0_set_fault_enable_default(adev, value); + mmhub_v1_0_set_fault_enable_default(adev, value); + gmc_v9_0_flush_gpu_tlb(adev, 0); + + DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", + (unsigned)(adev->gmc.gart_size >> 20), + (unsigned long long)adev->gart.table_addr); + adev->gart.ready = true; + return 0; +} + +static int gmc_v9_0_hw_init(void *handle) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + /* The sequence of these two function calls matters.*/ + gmc_v9_0_init_golden_registers(adev); + + if (adev->mode_info.num_crtc) { + /* Lockout access through VGA aperture*/ + WREG32_FIELD15(DCE, 0, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); + + /* disable VGA render */ + WREG32_FIELD15(DCE, 0, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); + } + + r = gmc_v9_0_gart_enable(adev); + + return r; +} + +/** + * gmc_v9_0_save_registers - saves regs + * + * @adev: amdgpu_device pointer + * + * This saves potential register values that should be + * restored upon resume + */ +static void gmc_v9_0_save_registers(struct amdgpu_device *adev) +{ + if (adev->asic_type == CHIP_RAVEN) + adev->gmc.sdpif_register = RREG32(mmDCHUBBUB_SDPIF_MMIO_CNTRL_0); +} + +/** + * gmc_v9_0_gart_disable - gart disable + * + * @adev: amdgpu_device pointer + * + * This disables all VM page table. + */ +static void gmc_v9_0_gart_disable(struct amdgpu_device *adev) +{ + gfxhub_v1_0_gart_disable(adev); + mmhub_v1_0_gart_disable(adev); + amdgpu_gart_table_vram_unpin(adev); +} + +static int gmc_v9_0_hw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (amdgpu_sriov_vf(adev)) { + /* full access mode, so don't touch any GMC register */ + DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); + return 0; + } + + amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); + gmc_v9_0_gart_disable(adev); + + return 0; +} + +static int gmc_v9_0_suspend(void *handle) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + r = gmc_v9_0_hw_fini(adev); + if (r) + return r; + + gmc_v9_0_save_registers(adev); + + return 0; +} + +static int gmc_v9_0_resume(void *handle) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + gmc_v9_0_restore_registers(adev); + r = gmc_v9_0_hw_init(adev); + if (r) + return r; + + amdgpu_vmid_reset_all(adev); + + return 0; +} + +static bool gmc_v9_0_is_idle(void *handle) +{ + /* MC is always ready in GMC v9.*/ + return true; +} + +static int gmc_v9_0_wait_for_idle(void *handle) +{ + /* There is no need to wait for MC idle in GMC v9.*/ + return 0; +} + +static int gmc_v9_0_soft_reset(void *handle) +{ + /* XXX for emulation.*/ + return 0; +} + +static int gmc_v9_0_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + return mmhub_v1_0_set_clockgating(adev, state); +} + +static void gmc_v9_0_get_clockgating_state(void *handle, u32 *flags) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + mmhub_v1_0_get_clockgating(adev, flags); +} + +static int gmc_v9_0_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + return 0; +} + +const struct amd_ip_funcs gmc_v9_0_ip_funcs = { + .name = "gmc_v9_0", + .early_init = gmc_v9_0_early_init, + .late_init = gmc_v9_0_late_init, + .sw_init = gmc_v9_0_sw_init, + .sw_fini = gmc_v9_0_sw_fini, + .hw_init = gmc_v9_0_hw_init, + .hw_fini = gmc_v9_0_hw_fini, + .suspend = gmc_v9_0_suspend, + .resume = gmc_v9_0_resume, + .is_idle = gmc_v9_0_is_idle, + .wait_for_idle = gmc_v9_0_wait_for_idle, + .soft_reset = gmc_v9_0_soft_reset, + .set_clockgating_state = gmc_v9_0_set_clockgating_state, + .set_powergating_state = gmc_v9_0_set_powergating_state, + .get_clockgating_state = gmc_v9_0_get_clockgating_state, +}; + +const struct amdgpu_ip_block_version gmc_v9_0_ip_block = +{ + .type = AMD_IP_BLOCK_TYPE_GMC, + .major = 9, + .minor = 0, + .rev = 0, + .funcs = &gmc_v9_0_ip_funcs, +}; |