diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 1095 |
1 files changed, 1095 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c new file mode 100644 index 0000000000..96857ae7fb --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -0,0 +1,1095 @@ +/* + * 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/module.h> + +#ifdef CONFIG_X86 +#include <asm/hypervisor.h> +#endif + +#include <drm/drm_drv.h> +#include <xen/xen.h> + +#include "amdgpu.h" +#include "amdgpu_ras.h" +#include "vi.h" +#include "soc15.h" +#include "nv.h" + +#define POPULATE_UCODE_INFO(vf2pf_info, ucode, ver) \ + do { \ + vf2pf_info->ucode_info[ucode].id = ucode; \ + vf2pf_info->ucode_info[ucode].version = ver; \ + } while (0) + +bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev) +{ + /* By now all MMIO pages except mailbox are blocked */ + /* if blocking is enabled in hypervisor. Choose the */ + /* SCRATCH_REG0 to test. */ + return RREG32_NO_KIQ(0xc040) == 0xffffffff; +} + +void amdgpu_virt_init_setting(struct amdgpu_device *adev) +{ + struct drm_device *ddev = adev_to_drm(adev); + + /* enable virtual display */ + if (adev->asic_type != CHIP_ALDEBARAN && + adev->asic_type != CHIP_ARCTURUS && + ((adev->pdev->class >> 8) != PCI_CLASS_ACCELERATOR_PROCESSING)) { + if (adev->mode_info.num_crtc == 0) + adev->mode_info.num_crtc = 1; + adev->enable_virtual_display = true; + } + ddev->driver_features &= ~DRIVER_ATOMIC; + adev->cg_flags = 0; + adev->pg_flags = 0; + + /* Reduce kcq number to 2 to reduce latency */ + if (amdgpu_num_kcq == -1) + amdgpu_num_kcq = 2; +} + +void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev, + uint32_t reg0, uint32_t reg1, + uint32_t ref, uint32_t mask) +{ + struct amdgpu_kiq *kiq = &adev->gfx.kiq[0]; + struct amdgpu_ring *ring = &kiq->ring; + signed long r, cnt = 0; + unsigned long flags; + uint32_t seq; + + if (adev->mes.ring.sched.ready) { + amdgpu_mes_reg_write_reg_wait(adev, reg0, reg1, + ref, mask); + return; + } + + spin_lock_irqsave(&kiq->ring_lock, flags); + amdgpu_ring_alloc(ring, 32); + amdgpu_ring_emit_reg_write_reg_wait(ring, reg0, reg1, + ref, mask); + r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT); + if (r) + goto failed_undo; + + amdgpu_ring_commit(ring); + spin_unlock_irqrestore(&kiq->ring_lock, flags); + + r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT); + + /* don't wait anymore for IRQ context */ + if (r < 1 && in_interrupt()) + goto failed_kiq; + + might_sleep(); + while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) { + + msleep(MAX_KIQ_REG_BAILOUT_INTERVAL); + r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT); + } + + if (cnt > MAX_KIQ_REG_TRY) + goto failed_kiq; + + return; + +failed_undo: + amdgpu_ring_undo(ring); + spin_unlock_irqrestore(&kiq->ring_lock, flags); +failed_kiq: + dev_err(adev->dev, "failed to write reg %x wait reg %x\n", reg0, reg1); +} + +/** + * amdgpu_virt_request_full_gpu() - request full gpu access + * @adev: amdgpu device. + * @init: is driver init time. + * When start to init/fini driver, first need to request full gpu access. + * Return: Zero if request success, otherwise will return error. + */ +int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init) +{ + struct amdgpu_virt *virt = &adev->virt; + int r; + + if (virt->ops && virt->ops->req_full_gpu) { + r = virt->ops->req_full_gpu(adev, init); + if (r) + return r; + + adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; + } + + return 0; +} + +/** + * amdgpu_virt_release_full_gpu() - release full gpu access + * @adev: amdgpu device. + * @init: is driver init time. + * When finishing driver init/fini, need to release full gpu access. + * Return: Zero if release success, otherwise will returen error. + */ +int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init) +{ + struct amdgpu_virt *virt = &adev->virt; + int r; + + if (virt->ops && virt->ops->rel_full_gpu) { + r = virt->ops->rel_full_gpu(adev, init); + if (r) + return r; + + adev->virt.caps |= AMDGPU_SRIOV_CAPS_RUNTIME; + } + return 0; +} + +/** + * amdgpu_virt_reset_gpu() - reset gpu + * @adev: amdgpu device. + * Send reset command to GPU hypervisor to reset GPU that VM is using + * Return: Zero if reset success, otherwise will return error. + */ +int amdgpu_virt_reset_gpu(struct amdgpu_device *adev) +{ + struct amdgpu_virt *virt = &adev->virt; + int r; + + if (virt->ops && virt->ops->reset_gpu) { + r = virt->ops->reset_gpu(adev); + if (r) + return r; + + adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; + } + + return 0; +} + +void amdgpu_virt_request_init_data(struct amdgpu_device *adev) +{ + struct amdgpu_virt *virt = &adev->virt; + + if (virt->ops && virt->ops->req_init_data) + virt->ops->req_init_data(adev); + + if (adev->virt.req_init_data_ver > 0) + DRM_INFO("host supports REQ_INIT_DATA handshake\n"); + else + DRM_WARN("host doesn't support REQ_INIT_DATA handshake\n"); +} + +/** + * amdgpu_virt_wait_reset() - wait for reset gpu completed + * @adev: amdgpu device. + * Wait for GPU reset completed. + * Return: Zero if reset success, otherwise will return error. + */ +int amdgpu_virt_wait_reset(struct amdgpu_device *adev) +{ + struct amdgpu_virt *virt = &adev->virt; + + if (!virt->ops || !virt->ops->wait_reset) + return -EINVAL; + + return virt->ops->wait_reset(adev); +} + +/** + * amdgpu_virt_alloc_mm_table() - alloc memory for mm table + * @adev: amdgpu device. + * MM table is used by UVD and VCE for its initialization + * Return: Zero if allocate success. + */ +int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev) +{ + int r; + + if (!amdgpu_sriov_vf(adev) || adev->virt.mm_table.gpu_addr) + return 0; + + r = amdgpu_bo_create_kernel(adev, PAGE_SIZE, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM | + AMDGPU_GEM_DOMAIN_GTT, + &adev->virt.mm_table.bo, + &adev->virt.mm_table.gpu_addr, + (void *)&adev->virt.mm_table.cpu_addr); + if (r) { + DRM_ERROR("failed to alloc mm table and error = %d.\n", r); + return r; + } + + memset((void *)adev->virt.mm_table.cpu_addr, 0, PAGE_SIZE); + DRM_INFO("MM table gpu addr = 0x%llx, cpu addr = %p.\n", + adev->virt.mm_table.gpu_addr, + adev->virt.mm_table.cpu_addr); + return 0; +} + +/** + * amdgpu_virt_free_mm_table() - free mm table memory + * @adev: amdgpu device. + * Free MM table memory + */ +void amdgpu_virt_free_mm_table(struct amdgpu_device *adev) +{ + if (!amdgpu_sriov_vf(adev) || !adev->virt.mm_table.gpu_addr) + return; + + amdgpu_bo_free_kernel(&adev->virt.mm_table.bo, + &adev->virt.mm_table.gpu_addr, + (void *)&adev->virt.mm_table.cpu_addr); + adev->virt.mm_table.gpu_addr = 0; +} + + +unsigned int amd_sriov_msg_checksum(void *obj, + unsigned long obj_size, + unsigned int key, + unsigned int checksum) +{ + unsigned int ret = key; + unsigned long i = 0; + unsigned char *pos; + + pos = (char *)obj; + /* calculate checksum */ + for (i = 0; i < obj_size; ++i) + ret += *(pos + i); + /* minus the checksum itself */ + pos = (char *)&checksum; + for (i = 0; i < sizeof(checksum); ++i) + ret -= *(pos + i); + return ret; +} + +static int amdgpu_virt_init_ras_err_handler_data(struct amdgpu_device *adev) +{ + struct amdgpu_virt *virt = &adev->virt; + struct amdgpu_virt_ras_err_handler_data **data = &virt->virt_eh_data; + /* GPU will be marked bad on host if bp count more then 10, + * so alloc 512 is enough. + */ + unsigned int align_space = 512; + void *bps = NULL; + struct amdgpu_bo **bps_bo = NULL; + + *data = kmalloc(sizeof(struct amdgpu_virt_ras_err_handler_data), GFP_KERNEL); + if (!*data) + goto data_failure; + + bps = kmalloc_array(align_space, sizeof((*data)->bps), GFP_KERNEL); + if (!bps) + goto bps_failure; + + bps_bo = kmalloc_array(align_space, sizeof((*data)->bps_bo), GFP_KERNEL); + if (!bps_bo) + goto bps_bo_failure; + + (*data)->bps = bps; + (*data)->bps_bo = bps_bo; + (*data)->count = 0; + (*data)->last_reserved = 0; + + virt->ras_init_done = true; + + return 0; + +bps_bo_failure: + kfree(bps); +bps_failure: + kfree(*data); +data_failure: + return -ENOMEM; +} + +static void amdgpu_virt_ras_release_bp(struct amdgpu_device *adev) +{ + struct amdgpu_virt *virt = &adev->virt; + struct amdgpu_virt_ras_err_handler_data *data = virt->virt_eh_data; + struct amdgpu_bo *bo; + int i; + + if (!data) + return; + + for (i = data->last_reserved - 1; i >= 0; i--) { + bo = data->bps_bo[i]; + amdgpu_bo_free_kernel(&bo, NULL, NULL); + data->bps_bo[i] = bo; + data->last_reserved = i; + } +} + +void amdgpu_virt_release_ras_err_handler_data(struct amdgpu_device *adev) +{ + struct amdgpu_virt *virt = &adev->virt; + struct amdgpu_virt_ras_err_handler_data *data = virt->virt_eh_data; + + virt->ras_init_done = false; + + if (!data) + return; + + amdgpu_virt_ras_release_bp(adev); + + kfree(data->bps); + kfree(data->bps_bo); + kfree(data); + virt->virt_eh_data = NULL; +} + +static void amdgpu_virt_ras_add_bps(struct amdgpu_device *adev, + struct eeprom_table_record *bps, int pages) +{ + struct amdgpu_virt *virt = &adev->virt; + struct amdgpu_virt_ras_err_handler_data *data = virt->virt_eh_data; + + if (!data) + return; + + memcpy(&data->bps[data->count], bps, pages * sizeof(*data->bps)); + data->count += pages; +} + +static void amdgpu_virt_ras_reserve_bps(struct amdgpu_device *adev) +{ + struct amdgpu_virt *virt = &adev->virt; + struct amdgpu_virt_ras_err_handler_data *data = virt->virt_eh_data; + struct amdgpu_bo *bo = NULL; + uint64_t bp; + int i; + + if (!data) + return; + + for (i = data->last_reserved; i < data->count; i++) { + bp = data->bps[i].retired_page; + + /* There are two cases of reserve error should be ignored: + * 1) a ras bad page has been allocated (used by someone); + * 2) a ras bad page has been reserved (duplicate error injection + * for one page); + */ + if (amdgpu_bo_create_kernel_at(adev, bp << AMDGPU_GPU_PAGE_SHIFT, + AMDGPU_GPU_PAGE_SIZE, + &bo, NULL)) + DRM_DEBUG("RAS WARN: reserve vram for retired page %llx fail\n", bp); + + data->bps_bo[i] = bo; + data->last_reserved = i + 1; + bo = NULL; + } +} + +static bool amdgpu_virt_ras_check_bad_page(struct amdgpu_device *adev, + uint64_t retired_page) +{ + struct amdgpu_virt *virt = &adev->virt; + struct amdgpu_virt_ras_err_handler_data *data = virt->virt_eh_data; + int i; + + if (!data) + return true; + + for (i = 0; i < data->count; i++) + if (retired_page == data->bps[i].retired_page) + return true; + + return false; +} + +static void amdgpu_virt_add_bad_page(struct amdgpu_device *adev, + uint64_t bp_block_offset, uint32_t bp_block_size) +{ + struct eeprom_table_record bp; + uint64_t retired_page; + uint32_t bp_idx, bp_cnt; + void *vram_usage_va = NULL; + + if (adev->mman.fw_vram_usage_va) + vram_usage_va = adev->mman.fw_vram_usage_va; + else + vram_usage_va = adev->mman.drv_vram_usage_va; + + if (bp_block_size) { + bp_cnt = bp_block_size / sizeof(uint64_t); + for (bp_idx = 0; bp_idx < bp_cnt; bp_idx++) { + retired_page = *(uint64_t *)(vram_usage_va + + bp_block_offset + bp_idx * sizeof(uint64_t)); + bp.retired_page = retired_page; + + if (amdgpu_virt_ras_check_bad_page(adev, retired_page)) + continue; + + amdgpu_virt_ras_add_bps(adev, &bp, 1); + + amdgpu_virt_ras_reserve_bps(adev); + } + } +} + +static int amdgpu_virt_read_pf2vf_data(struct amdgpu_device *adev) +{ + struct amd_sriov_msg_pf2vf_info_header *pf2vf_info = adev->virt.fw_reserve.p_pf2vf; + uint32_t checksum; + uint32_t checkval; + + uint32_t i; + uint32_t tmp; + + if (adev->virt.fw_reserve.p_pf2vf == NULL) + return -EINVAL; + + if (pf2vf_info->size > 1024) { + DRM_ERROR("invalid pf2vf message size\n"); + return -EINVAL; + } + + switch (pf2vf_info->version) { + case 1: + checksum = ((struct amdgim_pf2vf_info_v1 *)pf2vf_info)->checksum; + checkval = amd_sriov_msg_checksum( + adev->virt.fw_reserve.p_pf2vf, pf2vf_info->size, + adev->virt.fw_reserve.checksum_key, checksum); + if (checksum != checkval) { + DRM_ERROR("invalid pf2vf message\n"); + return -EINVAL; + } + + adev->virt.gim_feature = + ((struct amdgim_pf2vf_info_v1 *)pf2vf_info)->feature_flags; + break; + case 2: + /* TODO: missing key, need to add it later */ + checksum = ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->checksum; + checkval = amd_sriov_msg_checksum( + adev->virt.fw_reserve.p_pf2vf, pf2vf_info->size, + 0, checksum); + if (checksum != checkval) { + DRM_ERROR("invalid pf2vf message\n"); + return -EINVAL; + } + + adev->virt.vf2pf_update_interval_ms = + ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->vf2pf_update_interval_ms; + adev->virt.gim_feature = + ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->feature_flags.all; + adev->virt.reg_access = + ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->reg_access_flags.all; + + adev->virt.decode_max_dimension_pixels = 0; + adev->virt.decode_max_frame_pixels = 0; + adev->virt.encode_max_dimension_pixels = 0; + adev->virt.encode_max_frame_pixels = 0; + adev->virt.is_mm_bw_enabled = false; + for (i = 0; i < AMD_SRIOV_MSG_RESERVE_VCN_INST; i++) { + tmp = ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->mm_bw_management[i].decode_max_dimension_pixels; + adev->virt.decode_max_dimension_pixels = max(tmp, adev->virt.decode_max_dimension_pixels); + + tmp = ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->mm_bw_management[i].decode_max_frame_pixels; + adev->virt.decode_max_frame_pixels = max(tmp, adev->virt.decode_max_frame_pixels); + + tmp = ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->mm_bw_management[i].encode_max_dimension_pixels; + adev->virt.encode_max_dimension_pixels = max(tmp, adev->virt.encode_max_dimension_pixels); + + tmp = ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->mm_bw_management[i].encode_max_frame_pixels; + adev->virt.encode_max_frame_pixels = max(tmp, adev->virt.encode_max_frame_pixels); + } + if ((adev->virt.decode_max_dimension_pixels > 0) || (adev->virt.encode_max_dimension_pixels > 0)) + adev->virt.is_mm_bw_enabled = true; + + adev->unique_id = + ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->uuid; + break; + default: + DRM_ERROR("invalid pf2vf version\n"); + return -EINVAL; + } + + /* correct too large or too little interval value */ + if (adev->virt.vf2pf_update_interval_ms < 200 || adev->virt.vf2pf_update_interval_ms > 10000) + adev->virt.vf2pf_update_interval_ms = 2000; + + return 0; +} + +static void amdgpu_virt_populate_vf2pf_ucode_info(struct amdgpu_device *adev) +{ + struct amd_sriov_msg_vf2pf_info *vf2pf_info; + vf2pf_info = (struct amd_sriov_msg_vf2pf_info *) adev->virt.fw_reserve.p_vf2pf; + + if (adev->virt.fw_reserve.p_vf2pf == NULL) + return; + + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_VCE, adev->vce.fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_UVD, adev->uvd.fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_MC, adev->gmc.fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_ME, adev->gfx.me_fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_PFP, adev->gfx.pfp_fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_CE, adev->gfx.ce_fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_RLC, adev->gfx.rlc_fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_RLC_SRLC, adev->gfx.rlc_srlc_fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_RLC_SRLG, adev->gfx.rlc_srlg_fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_RLC_SRLS, adev->gfx.rlc_srls_fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_MEC, adev->gfx.mec_fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_MEC2, adev->gfx.mec2_fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_SOS, adev->psp.sos.fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_ASD, + adev->psp.asd_context.bin_desc.fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_TA_RAS, + adev->psp.ras_context.context.bin_desc.fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_TA_XGMI, + adev->psp.xgmi_context.context.bin_desc.fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_SMC, adev->pm.fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_SDMA, adev->sdma.instance[0].fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_SDMA2, adev->sdma.instance[1].fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_VCN, adev->vcn.fw_version); + POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_DMCU, adev->dm.dmcu_fw_version); +} + +static int amdgpu_virt_write_vf2pf_data(struct amdgpu_device *adev) +{ + struct amd_sriov_msg_vf2pf_info *vf2pf_info; + + vf2pf_info = (struct amd_sriov_msg_vf2pf_info *) adev->virt.fw_reserve.p_vf2pf; + + if (adev->virt.fw_reserve.p_vf2pf == NULL) + return -EINVAL; + + memset(vf2pf_info, 0, sizeof(struct amd_sriov_msg_vf2pf_info)); + + vf2pf_info->header.size = sizeof(struct amd_sriov_msg_vf2pf_info); + vf2pf_info->header.version = AMD_SRIOV_MSG_FW_VRAM_VF2PF_VER; + +#ifdef MODULE + if (THIS_MODULE->version != NULL) + strcpy(vf2pf_info->driver_version, THIS_MODULE->version); + else +#endif + strcpy(vf2pf_info->driver_version, "N/A"); + + vf2pf_info->pf2vf_version_required = 0; // no requirement, guest understands all + vf2pf_info->driver_cert = 0; + vf2pf_info->os_info.all = 0; + + vf2pf_info->fb_usage = + ttm_resource_manager_usage(&adev->mman.vram_mgr.manager) >> 20; + vf2pf_info->fb_vis_usage = + amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr) >> 20; + vf2pf_info->fb_size = adev->gmc.real_vram_size >> 20; + vf2pf_info->fb_vis_size = adev->gmc.visible_vram_size >> 20; + + amdgpu_virt_populate_vf2pf_ucode_info(adev); + + /* TODO: read dynamic info */ + vf2pf_info->gfx_usage = 0; + vf2pf_info->compute_usage = 0; + vf2pf_info->encode_usage = 0; + vf2pf_info->decode_usage = 0; + + vf2pf_info->dummy_page_addr = (uint64_t)adev->dummy_page_addr; + vf2pf_info->checksum = + amd_sriov_msg_checksum( + vf2pf_info, vf2pf_info->header.size, 0, 0); + + return 0; +} + +static void amdgpu_virt_update_vf2pf_work_item(struct work_struct *work) +{ + struct amdgpu_device *adev = container_of(work, struct amdgpu_device, virt.vf2pf_work.work); + int ret; + + ret = amdgpu_virt_read_pf2vf_data(adev); + if (ret) + goto out; + amdgpu_virt_write_vf2pf_data(adev); + +out: + schedule_delayed_work(&(adev->virt.vf2pf_work), adev->virt.vf2pf_update_interval_ms); +} + +void amdgpu_virt_fini_data_exchange(struct amdgpu_device *adev) +{ + if (adev->virt.vf2pf_update_interval_ms != 0) { + DRM_INFO("clean up the vf2pf work item\n"); + cancel_delayed_work_sync(&adev->virt.vf2pf_work); + adev->virt.vf2pf_update_interval_ms = 0; + } +} + +void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev) +{ + adev->virt.fw_reserve.p_pf2vf = NULL; + adev->virt.fw_reserve.p_vf2pf = NULL; + adev->virt.vf2pf_update_interval_ms = 0; + + if (adev->mman.fw_vram_usage_va && adev->mman.drv_vram_usage_va) { + DRM_WARN("Currently fw_vram and drv_vram should not have values at the same time!"); + } else if (adev->mman.fw_vram_usage_va || adev->mman.drv_vram_usage_va) { + /* go through this logic in ip_init and reset to init workqueue*/ + amdgpu_virt_exchange_data(adev); + + INIT_DELAYED_WORK(&adev->virt.vf2pf_work, amdgpu_virt_update_vf2pf_work_item); + schedule_delayed_work(&(adev->virt.vf2pf_work), msecs_to_jiffies(adev->virt.vf2pf_update_interval_ms)); + } else if (adev->bios != NULL) { + /* got through this logic in early init stage to get necessary flags, e.g. rlcg_acc related*/ + adev->virt.fw_reserve.p_pf2vf = + (struct amd_sriov_msg_pf2vf_info_header *) + (adev->bios + (AMD_SRIOV_MSG_PF2VF_OFFSET_KB << 10)); + + amdgpu_virt_read_pf2vf_data(adev); + } +} + + +void amdgpu_virt_exchange_data(struct amdgpu_device *adev) +{ + uint64_t bp_block_offset = 0; + uint32_t bp_block_size = 0; + struct amd_sriov_msg_pf2vf_info *pf2vf_v2 = NULL; + + if (adev->mman.fw_vram_usage_va || adev->mman.drv_vram_usage_va) { + if (adev->mman.fw_vram_usage_va) { + adev->virt.fw_reserve.p_pf2vf = + (struct amd_sriov_msg_pf2vf_info_header *) + (adev->mman.fw_vram_usage_va + (AMD_SRIOV_MSG_PF2VF_OFFSET_KB << 10)); + adev->virt.fw_reserve.p_vf2pf = + (struct amd_sriov_msg_vf2pf_info_header *) + (adev->mman.fw_vram_usage_va + (AMD_SRIOV_MSG_VF2PF_OFFSET_KB << 10)); + } else if (adev->mman.drv_vram_usage_va) { + adev->virt.fw_reserve.p_pf2vf = + (struct amd_sriov_msg_pf2vf_info_header *) + (adev->mman.drv_vram_usage_va + (AMD_SRIOV_MSG_PF2VF_OFFSET_KB << 10)); + adev->virt.fw_reserve.p_vf2pf = + (struct amd_sriov_msg_vf2pf_info_header *) + (adev->mman.drv_vram_usage_va + (AMD_SRIOV_MSG_VF2PF_OFFSET_KB << 10)); + } + + amdgpu_virt_read_pf2vf_data(adev); + amdgpu_virt_write_vf2pf_data(adev); + + /* bad page handling for version 2 */ + if (adev->virt.fw_reserve.p_pf2vf->version == 2) { + pf2vf_v2 = (struct amd_sriov_msg_pf2vf_info *)adev->virt.fw_reserve.p_pf2vf; + + bp_block_offset = ((uint64_t)pf2vf_v2->bp_block_offset_low & 0xFFFFFFFF) | + ((((uint64_t)pf2vf_v2->bp_block_offset_high) << 32) & 0xFFFFFFFF00000000); + bp_block_size = pf2vf_v2->bp_block_size; + + if (bp_block_size && !adev->virt.ras_init_done) + amdgpu_virt_init_ras_err_handler_data(adev); + + if (adev->virt.ras_init_done) + amdgpu_virt_add_bad_page(adev, bp_block_offset, bp_block_size); + } + } +} + +void amdgpu_detect_virtualization(struct amdgpu_device *adev) +{ + uint32_t reg; + + switch (adev->asic_type) { + case CHIP_TONGA: + case CHIP_FIJI: + reg = RREG32(mmBIF_IOV_FUNC_IDENTIFIER); + break; + case CHIP_VEGA10: + case CHIP_VEGA20: + case CHIP_NAVI10: + case CHIP_NAVI12: + case CHIP_SIENNA_CICHLID: + case CHIP_ARCTURUS: + case CHIP_ALDEBARAN: + case CHIP_IP_DISCOVERY: + reg = RREG32(mmRCC_IOV_FUNC_IDENTIFIER); + break; + default: /* other chip doesn't support SRIOV */ + reg = 0; + break; + } + + if (reg & 1) + adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF; + + if (reg & 0x80000000) + adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV; + + if (!reg) { + /* passthrough mode exclus sriov mod */ + if (is_virtual_machine() && !xen_initial_domain()) + adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; + } + + if (amdgpu_sriov_vf(adev) && adev->asic_type == CHIP_SIENNA_CICHLID) + /* VF MMIO access (except mailbox range) from CPU + * will be blocked during sriov runtime + */ + adev->virt.caps |= AMDGPU_VF_MMIO_ACCESS_PROTECT; + + /* we have the ability to check now */ + if (amdgpu_sriov_vf(adev)) { + switch (adev->asic_type) { + case CHIP_TONGA: + case CHIP_FIJI: + vi_set_virt_ops(adev); + break; + case CHIP_VEGA10: + soc15_set_virt_ops(adev); +#ifdef CONFIG_X86 + /* not send GPU_INIT_DATA with MS_HYPERV*/ + if (!hypervisor_is_type(X86_HYPER_MS_HYPERV)) +#endif + /* send a dummy GPU_INIT_DATA request to host on vega10 */ + amdgpu_virt_request_init_data(adev); + break; + case CHIP_VEGA20: + case CHIP_ARCTURUS: + case CHIP_ALDEBARAN: + soc15_set_virt_ops(adev); + break; + case CHIP_NAVI10: + case CHIP_NAVI12: + case CHIP_SIENNA_CICHLID: + case CHIP_IP_DISCOVERY: + nv_set_virt_ops(adev); + /* try send GPU_INIT_DATA request to host */ + amdgpu_virt_request_init_data(adev); + break; + default: /* other chip doesn't support SRIOV */ + DRM_ERROR("Unknown asic type: %d!\n", adev->asic_type); + break; + } + } +} + +static bool amdgpu_virt_access_debugfs_is_mmio(struct amdgpu_device *adev) +{ + return amdgpu_sriov_is_debug(adev) ? true : false; +} + +static bool amdgpu_virt_access_debugfs_is_kiq(struct amdgpu_device *adev) +{ + return amdgpu_sriov_is_normal(adev) ? true : false; +} + +int amdgpu_virt_enable_access_debugfs(struct amdgpu_device *adev) +{ + if (!amdgpu_sriov_vf(adev) || + amdgpu_virt_access_debugfs_is_kiq(adev)) + return 0; + + if (amdgpu_virt_access_debugfs_is_mmio(adev)) + adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; + else + return -EPERM; + + return 0; +} + +void amdgpu_virt_disable_access_debugfs(struct amdgpu_device *adev) +{ + if (amdgpu_sriov_vf(adev)) + adev->virt.caps |= AMDGPU_SRIOV_CAPS_RUNTIME; +} + +enum amdgpu_sriov_vf_mode amdgpu_virt_get_sriov_vf_mode(struct amdgpu_device *adev) +{ + enum amdgpu_sriov_vf_mode mode; + + if (amdgpu_sriov_vf(adev)) { + if (amdgpu_sriov_is_pp_one_vf(adev)) + mode = SRIOV_VF_MODE_ONE_VF; + else + mode = SRIOV_VF_MODE_MULTI_VF; + } else { + mode = SRIOV_VF_MODE_BARE_METAL; + } + + return mode; +} + +void amdgpu_virt_post_reset(struct amdgpu_device *adev) +{ + if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(11, 0, 3)) { + /* force set to GFXOFF state after reset, + * to avoid some invalid operation before GC enable + */ + adev->gfx.is_poweron = false; + } +} + +bool amdgpu_virt_fw_load_skip_check(struct amdgpu_device *adev, uint32_t ucode_id) +{ + switch (adev->ip_versions[MP0_HWIP][0]) { + case IP_VERSION(13, 0, 0): + /* no vf autoload, white list */ + if (ucode_id == AMDGPU_UCODE_ID_VCN1 || + ucode_id == AMDGPU_UCODE_ID_VCN) + return false; + else + return true; + case IP_VERSION(11, 0, 9): + case IP_VERSION(11, 0, 7): + /* black list for CHIP_NAVI12 and CHIP_SIENNA_CICHLID */ + if (ucode_id == AMDGPU_UCODE_ID_RLC_G + || ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL + || ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM + || ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM + || ucode_id == AMDGPU_UCODE_ID_SMC) + return true; + else + return false; + case IP_VERSION(13, 0, 10): + /* white list */ + if (ucode_id == AMDGPU_UCODE_ID_CAP + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_PFP + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_ME + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_MEC + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_PFP_P0_STACK + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_PFP_P1_STACK + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_ME_P0_STACK + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_ME_P1_STACK + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_MEC_P0_STACK + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_MEC_P1_STACK + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_MEC_P2_STACK + || ucode_id == AMDGPU_UCODE_ID_CP_RS64_MEC_P3_STACK + || ucode_id == AMDGPU_UCODE_ID_CP_MES + || ucode_id == AMDGPU_UCODE_ID_CP_MES_DATA + || ucode_id == AMDGPU_UCODE_ID_CP_MES1 + || ucode_id == AMDGPU_UCODE_ID_CP_MES1_DATA + || ucode_id == AMDGPU_UCODE_ID_VCN1 + || ucode_id == AMDGPU_UCODE_ID_VCN) + return false; + else + return true; + default: + /* lagacy black list */ + if (ucode_id == AMDGPU_UCODE_ID_SDMA0 + || ucode_id == AMDGPU_UCODE_ID_SDMA1 + || ucode_id == AMDGPU_UCODE_ID_SDMA2 + || ucode_id == AMDGPU_UCODE_ID_SDMA3 + || ucode_id == AMDGPU_UCODE_ID_SDMA4 + || ucode_id == AMDGPU_UCODE_ID_SDMA5 + || ucode_id == AMDGPU_UCODE_ID_SDMA6 + || ucode_id == AMDGPU_UCODE_ID_SDMA7 + || ucode_id == AMDGPU_UCODE_ID_RLC_G + || ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL + || ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM + || ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM + || ucode_id == AMDGPU_UCODE_ID_SMC) + return true; + else + return false; + } +} + +void amdgpu_virt_update_sriov_video_codec(struct amdgpu_device *adev, + struct amdgpu_video_codec_info *encode, uint32_t encode_array_size, + struct amdgpu_video_codec_info *decode, uint32_t decode_array_size) +{ + uint32_t i; + + if (!adev->virt.is_mm_bw_enabled) + return; + + if (encode) { + for (i = 0; i < encode_array_size; i++) { + encode[i].max_width = adev->virt.encode_max_dimension_pixels; + encode[i].max_pixels_per_frame = adev->virt.encode_max_frame_pixels; + if (encode[i].max_width > 0) + encode[i].max_height = encode[i].max_pixels_per_frame / encode[i].max_width; + else + encode[i].max_height = 0; + } + } + + if (decode) { + for (i = 0; i < decode_array_size; i++) { + decode[i].max_width = adev->virt.decode_max_dimension_pixels; + decode[i].max_pixels_per_frame = adev->virt.decode_max_frame_pixels; + if (decode[i].max_width > 0) + decode[i].max_height = decode[i].max_pixels_per_frame / decode[i].max_width; + else + decode[i].max_height = 0; + } + } +} + +static bool amdgpu_virt_get_rlcg_reg_access_flag(struct amdgpu_device *adev, + u32 acc_flags, u32 hwip, + bool write, u32 *rlcg_flag) +{ + bool ret = false; + + switch (hwip) { + case GC_HWIP: + if (amdgpu_sriov_reg_indirect_gc(adev)) { + *rlcg_flag = + write ? AMDGPU_RLCG_GC_WRITE : AMDGPU_RLCG_GC_READ; + ret = true; + /* only in new version, AMDGPU_REGS_NO_KIQ and + * AMDGPU_REGS_RLC are enabled simultaneously */ + } else if ((acc_flags & AMDGPU_REGS_RLC) && + !(acc_flags & AMDGPU_REGS_NO_KIQ) && write) { + *rlcg_flag = AMDGPU_RLCG_GC_WRITE_LEGACY; + ret = true; + } + break; + case MMHUB_HWIP: + if (amdgpu_sriov_reg_indirect_mmhub(adev) && + (acc_flags & AMDGPU_REGS_RLC) && write) { + *rlcg_flag = AMDGPU_RLCG_MMHUB_WRITE; + ret = true; + } + break; + default: + break; + } + return ret; +} + +static u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v, u32 flag, u32 xcc_id) +{ + struct amdgpu_rlcg_reg_access_ctrl *reg_access_ctrl; + uint32_t timeout = 50000; + uint32_t i, tmp; + uint32_t ret = 0; + void *scratch_reg0; + void *scratch_reg1; + void *scratch_reg2; + void *scratch_reg3; + void *spare_int; + + if (!adev->gfx.rlc.rlcg_reg_access_supported) { + dev_err(adev->dev, + "indirect registers access through rlcg is not available\n"); + return 0; + } + + if (adev->gfx.xcc_mask && (((1 << xcc_id) & adev->gfx.xcc_mask) == 0)) { + dev_err(adev->dev, "invalid xcc\n"); + return 0; + } + + reg_access_ctrl = &adev->gfx.rlc.reg_access_ctrl[xcc_id]; + scratch_reg0 = (void __iomem *)adev->rmmio + 4 * reg_access_ctrl->scratch_reg0; + scratch_reg1 = (void __iomem *)adev->rmmio + 4 * reg_access_ctrl->scratch_reg1; + scratch_reg2 = (void __iomem *)adev->rmmio + 4 * reg_access_ctrl->scratch_reg2; + scratch_reg3 = (void __iomem *)adev->rmmio + 4 * reg_access_ctrl->scratch_reg3; + if (reg_access_ctrl->spare_int) + spare_int = (void __iomem *)adev->rmmio + 4 * reg_access_ctrl->spare_int; + + if (offset == reg_access_ctrl->grbm_cntl) { + /* if the target reg offset is grbm_cntl, write to scratch_reg2 */ + writel(v, scratch_reg2); + if (flag == AMDGPU_RLCG_GC_WRITE_LEGACY) + writel(v, ((void __iomem *)adev->rmmio) + (offset * 4)); + } else if (offset == reg_access_ctrl->grbm_idx) { + /* if the target reg offset is grbm_idx, write to scratch_reg3 */ + writel(v, scratch_reg3); + if (flag == AMDGPU_RLCG_GC_WRITE_LEGACY) + writel(v, ((void __iomem *)adev->rmmio) + (offset * 4)); + } else { + /* + * SCRATCH_REG0 = read/write value + * SCRATCH_REG1[30:28] = command + * SCRATCH_REG1[19:0] = address in dword + * SCRATCH_REG1[26:24] = Error reporting + */ + writel(v, scratch_reg0); + writel((offset | flag), scratch_reg1); + if (reg_access_ctrl->spare_int) + writel(1, spare_int); + + for (i = 0; i < timeout; i++) { + tmp = readl(scratch_reg1); + if (!(tmp & AMDGPU_RLCG_SCRATCH1_ADDRESS_MASK)) + break; + udelay(10); + } + + if (i >= timeout) { + if (amdgpu_sriov_rlcg_error_report_enabled(adev)) { + if (tmp & AMDGPU_RLCG_VFGATE_DISABLED) { + dev_err(adev->dev, + "vfgate is disabled, rlcg failed to program reg: 0x%05x\n", offset); + } else if (tmp & AMDGPU_RLCG_WRONG_OPERATION_TYPE) { + dev_err(adev->dev, + "wrong operation type, rlcg failed to program reg: 0x%05x\n", offset); + } else if (tmp & AMDGPU_RLCG_REG_NOT_IN_RANGE) { + dev_err(adev->dev, + "register is not in range, rlcg failed to program reg: 0x%05x\n", offset); + } else { + dev_err(adev->dev, + "unknown error type, rlcg failed to program reg: 0x%05x\n", offset); + } + } else { + dev_err(adev->dev, + "timeout: rlcg faled to program reg: 0x%05x\n", offset); + } + } + } + + ret = readl(scratch_reg0); + return ret; +} + +void amdgpu_sriov_wreg(struct amdgpu_device *adev, + u32 offset, u32 value, + u32 acc_flags, u32 hwip, u32 xcc_id) +{ + u32 rlcg_flag; + + if (!amdgpu_sriov_runtime(adev) && + amdgpu_virt_get_rlcg_reg_access_flag(adev, acc_flags, hwip, true, &rlcg_flag)) { + amdgpu_virt_rlcg_reg_rw(adev, offset, value, rlcg_flag, xcc_id); + return; + } + + if (acc_flags & AMDGPU_REGS_NO_KIQ) + WREG32_NO_KIQ(offset, value); + else + WREG32(offset, value); +} + +u32 amdgpu_sriov_rreg(struct amdgpu_device *adev, + u32 offset, u32 acc_flags, u32 hwip, u32 xcc_id) +{ + u32 rlcg_flag; + + if (!amdgpu_sriov_runtime(adev) && + amdgpu_virt_get_rlcg_reg_access_flag(adev, acc_flags, hwip, false, &rlcg_flag)) + return amdgpu_virt_rlcg_reg_rw(adev, offset, 0, rlcg_flag, xcc_id); + + if (acc_flags & AMDGPU_REGS_NO_KIQ) + return RREG32_NO_KIQ(offset); + else + return RREG32(offset); +} |