| /* |
| * Copyright 2018 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 "amdgpu.h" |
| #include "amdgpu_sdma.h" |
| #include "amdgpu_ras.h" |
| |
| #define AMDGPU_CSA_SDMA_SIZE 64 |
| /* SDMA CSA reside in the 3rd page of CSA */ |
| #define AMDGPU_CSA_SDMA_OFFSET (4096 * 2) |
| |
| /* |
| * GPU SDMA IP block helpers function. |
| */ |
| |
| struct amdgpu_sdma_instance *amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| int i; |
| |
| for (i = 0; i < adev->sdma.num_instances; i++) |
| if (ring == &adev->sdma.instance[i].ring || |
| ring == &adev->sdma.instance[i].page) |
| return &adev->sdma.instance[i]; |
| |
| return NULL; |
| } |
| |
| int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| int i; |
| |
| for (i = 0; i < adev->sdma.num_instances; i++) { |
| if (ring == &adev->sdma.instance[i].ring || |
| ring == &adev->sdma.instance[i].page) { |
| *index = i; |
| return 0; |
| } |
| } |
| |
| return -EINVAL; |
| } |
| |
| uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, |
| unsigned int vmid) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| uint64_t csa_mc_addr; |
| uint32_t index = 0; |
| int r; |
| |
| /* don't enable OS preemption on SDMA under SRIOV */ |
| if (amdgpu_sriov_vf(adev) || vmid == 0 || !adev->gfx.mcbp) |
| return 0; |
| |
| if (ring->is_mes_queue) { |
| uint32_t offset = 0; |
| |
| offset = offsetof(struct amdgpu_mes_ctx_meta_data, |
| sdma[ring->idx].sdma_meta_data); |
| csa_mc_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); |
| } else { |
| r = amdgpu_sdma_get_index_from_ring(ring, &index); |
| |
| if (r || index > 31) |
| csa_mc_addr = 0; |
| else |
| csa_mc_addr = amdgpu_csa_vaddr(adev) + |
| AMDGPU_CSA_SDMA_OFFSET + |
| index * AMDGPU_CSA_SDMA_SIZE; |
| } |
| |
| return csa_mc_addr; |
| } |
| |
| int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev, |
| struct ras_common_if *ras_block) |
| { |
| int r, i; |
| |
| r = amdgpu_ras_block_late_init(adev, ras_block); |
| if (r) |
| return r; |
| |
| if (amdgpu_ras_is_supported(adev, ras_block->block)) { |
| for (i = 0; i < adev->sdma.num_instances; i++) { |
| r = amdgpu_irq_get(adev, &adev->sdma.ecc_irq, |
| AMDGPU_SDMA_IRQ_INSTANCE0 + i); |
| if (r) |
| goto late_fini; |
| } |
| } |
| |
| return 0; |
| |
| late_fini: |
| amdgpu_ras_block_late_fini(adev, ras_block); |
| return r; |
| } |
| |
| int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev, |
| void *err_data, |
| struct amdgpu_iv_entry *entry) |
| { |
| kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); |
| |
| if (amdgpu_sriov_vf(adev)) |
| return AMDGPU_RAS_SUCCESS; |
| |
| amdgpu_ras_reset_gpu(adev); |
| |
| return AMDGPU_RAS_SUCCESS; |
| } |
| |
| int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev, |
| struct amdgpu_irq_src *source, |
| struct amdgpu_iv_entry *entry) |
| { |
| struct ras_common_if *ras_if = adev->sdma.ras_if; |
| struct ras_dispatch_if ih_data = { |
| .entry = entry, |
| }; |
| |
| if (!ras_if) |
| return 0; |
| |
| ih_data.head = *ras_if; |
| |
| amdgpu_ras_interrupt_dispatch(adev, &ih_data); |
| return 0; |
| } |
| |
| static int amdgpu_sdma_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst) |
| { |
| uint16_t version_major; |
| const struct common_firmware_header *header = NULL; |
| const struct sdma_firmware_header_v1_0 *hdr; |
| const struct sdma_firmware_header_v2_0 *hdr_v2; |
| const struct sdma_firmware_header_v3_0 *hdr_v3; |
| |
| header = (const struct common_firmware_header *) |
| sdma_inst->fw->data; |
| version_major = le16_to_cpu(header->header_version_major); |
| |
| switch (version_major) { |
| case 1: |
| hdr = (const struct sdma_firmware_header_v1_0 *)sdma_inst->fw->data; |
| sdma_inst->fw_version = le32_to_cpu(hdr->header.ucode_version); |
| sdma_inst->feature_version = le32_to_cpu(hdr->ucode_feature_version); |
| break; |
| case 2: |
| hdr_v2 = (const struct sdma_firmware_header_v2_0 *)sdma_inst->fw->data; |
| sdma_inst->fw_version = le32_to_cpu(hdr_v2->header.ucode_version); |
| sdma_inst->feature_version = le32_to_cpu(hdr_v2->ucode_feature_version); |
| break; |
| case 3: |
| hdr_v3 = (const struct sdma_firmware_header_v3_0 *)sdma_inst->fw->data; |
| sdma_inst->fw_version = le32_to_cpu(hdr_v3->header.ucode_version); |
| sdma_inst->feature_version = le32_to_cpu(hdr_v3->ucode_feature_version); |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| if (sdma_inst->feature_version >= 20) |
| sdma_inst->burst_nop = true; |
| |
| return 0; |
| } |
| |
| void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev, |
| bool duplicate) |
| { |
| int i; |
| |
| for (i = 0; i < adev->sdma.num_instances; i++) { |
| amdgpu_ucode_release(&adev->sdma.instance[i].fw); |
| if (duplicate) |
| break; |
| } |
| |
| memset((void *)adev->sdma.instance, 0, |
| sizeof(struct amdgpu_sdma_instance) * AMDGPU_MAX_SDMA_INSTANCES); |
| } |
| |
| int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, |
| u32 instance, bool duplicate) |
| { |
| struct amdgpu_firmware_info *info = NULL; |
| const struct common_firmware_header *header = NULL; |
| int err, i; |
| const struct sdma_firmware_header_v2_0 *sdma_hdr; |
| const struct sdma_firmware_header_v3_0 *sdma_hv3; |
| uint16_t version_major; |
| char ucode_prefix[30]; |
| |
| amdgpu_ucode_ip_version_decode(adev, SDMA0_HWIP, ucode_prefix, sizeof(ucode_prefix)); |
| if (instance == 0) |
| err = amdgpu_ucode_request(adev, &adev->sdma.instance[instance].fw, |
| "amdgpu/%s.bin", ucode_prefix); |
| else |
| err = amdgpu_ucode_request(adev, &adev->sdma.instance[instance].fw, |
| "amdgpu/%s%d.bin", ucode_prefix, instance); |
| if (err) |
| goto out; |
| |
| header = (const struct common_firmware_header *) |
| adev->sdma.instance[instance].fw->data; |
| version_major = le16_to_cpu(header->header_version_major); |
| |
| if ((duplicate && instance) || (!duplicate && version_major > 1)) { |
| err = -EINVAL; |
| goto out; |
| } |
| |
| err = amdgpu_sdma_init_inst_ctx(&adev->sdma.instance[instance]); |
| if (err) |
| goto out; |
| |
| if (duplicate) { |
| for (i = 1; i < adev->sdma.num_instances; i++) |
| memcpy((void *)&adev->sdma.instance[i], |
| (void *)&adev->sdma.instance[0], |
| sizeof(struct amdgpu_sdma_instance)); |
| } |
| |
| DRM_DEBUG("psp_load == '%s'\n", |
| adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false"); |
| |
| if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { |
| switch (version_major) { |
| case 1: |
| for (i = 0; i < adev->sdma.num_instances; i++) { |
| if (!duplicate && (instance != i)) |
| continue; |
| else { |
| /* Use a single copy per SDMA firmware type. PSP uses the same instance for all |
| * groups of SDMAs */ |
| if ((amdgpu_ip_version(adev, SDMA0_HWIP, 0) == |
| IP_VERSION(4, 4, 2) || |
| amdgpu_ip_version(adev, SDMA0_HWIP, 0) == |
| IP_VERSION(4, 4, 5)) && |
| adev->firmware.load_type == |
| AMDGPU_FW_LOAD_PSP && |
| adev->sdma.num_inst_per_aid == i) { |
| break; |
| } |
| info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; |
| info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i; |
| info->fw = adev->sdma.instance[i].fw; |
| adev->firmware.fw_size += |
| ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE); |
| } |
| } |
| break; |
| case 2: |
| sdma_hdr = (const struct sdma_firmware_header_v2_0 *) |
| adev->sdma.instance[0].fw->data; |
| info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA_UCODE_TH0]; |
| info->ucode_id = AMDGPU_UCODE_ID_SDMA_UCODE_TH0; |
| info->fw = adev->sdma.instance[0].fw; |
| adev->firmware.fw_size += |
| ALIGN(le32_to_cpu(sdma_hdr->ctx_ucode_size_bytes), PAGE_SIZE); |
| info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA_UCODE_TH1]; |
| info->ucode_id = AMDGPU_UCODE_ID_SDMA_UCODE_TH1; |
| info->fw = adev->sdma.instance[0].fw; |
| adev->firmware.fw_size += |
| ALIGN(le32_to_cpu(sdma_hdr->ctl_ucode_size_bytes), PAGE_SIZE); |
| break; |
| case 3: |
| sdma_hv3 = (const struct sdma_firmware_header_v3_0 *) |
| adev->sdma.instance[0].fw->data; |
| info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA_RS64]; |
| info->ucode_id = AMDGPU_UCODE_ID_SDMA_RS64; |
| info->fw = adev->sdma.instance[0].fw; |
| adev->firmware.fw_size += |
| ALIGN(le32_to_cpu(sdma_hv3->ucode_size_bytes), PAGE_SIZE); |
| break; |
| default: |
| err = -EINVAL; |
| } |
| } |
| |
| out: |
| if (err) |
| amdgpu_sdma_destroy_inst_ctx(adev, duplicate); |
| return err; |
| } |
| |
| int amdgpu_sdma_ras_sw_init(struct amdgpu_device *adev) |
| { |
| int err = 0; |
| struct amdgpu_sdma_ras *ras = NULL; |
| |
| /* adev->sdma.ras is NULL, which means sdma does not |
| * support ras function, then do nothing here. |
| */ |
| if (!adev->sdma.ras) |
| return 0; |
| |
| ras = adev->sdma.ras; |
| |
| err = amdgpu_ras_register_ras_block(adev, &ras->ras_block); |
| if (err) { |
| dev_err(adev->dev, "Failed to register sdma ras block!\n"); |
| return err; |
| } |
| |
| strcpy(ras->ras_block.ras_comm.name, "sdma"); |
| ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__SDMA; |
| ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE; |
| adev->sdma.ras_if = &ras->ras_block.ras_comm; |
| |
| /* If not define special ras_late_init function, use default ras_late_init */ |
| if (!ras->ras_block.ras_late_init) |
| ras->ras_block.ras_late_init = amdgpu_sdma_ras_late_init; |
| |
| /* If not defined special ras_cb function, use default ras_cb */ |
| if (!ras->ras_block.ras_cb) |
| ras->ras_block.ras_cb = amdgpu_sdma_process_ras_data_cb; |
| |
| return 0; |
| } |