diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 746 |
1 files changed, 561 insertions, 185 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index e32ae906d797..04cf9b207e62 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -26,6 +26,16 @@ #include <drm/drm_drv.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) { @@ -37,106 +47,20 @@ bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev) void amdgpu_virt_init_setting(struct amdgpu_device *adev) { + struct drm_device *ddev = adev_to_drm(adev); + /* enable virtual display */ - adev->mode_info.num_crtc = 1; - adev->enable_virtual_display = true; - adev->ddev->driver->driver_features &= ~DRIVER_ATOMIC; + if (adev->asic_type != CHIP_ALDEBARAN && + adev->asic_type != CHIP_ARCTURUS) { + 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; } -uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg) -{ - signed long r, cnt = 0; - unsigned long flags; - uint32_t seq; - struct amdgpu_kiq *kiq = &adev->gfx.kiq; - struct amdgpu_ring *ring = &kiq->ring; - - BUG_ON(!ring->funcs->emit_rreg); - - spin_lock_irqsave(&kiq->ring_lock, flags); - amdgpu_ring_alloc(ring, 32); - amdgpu_ring_emit_rreg(ring, reg); - amdgpu_fence_emit_polling(ring, &seq); - 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 gpu reset case because this way may - * block gpu_recover() routine forever, e.g. this virt_kiq_rreg - * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will - * never return if we keep waiting in virt_kiq_rreg, which cause - * gpu_recover() hang there. - * - * also don't wait anymore for IRQ context - * */ - if (r < 1 && (adev->in_gpu_reset || in_interrupt())) - goto failed_kiq_read; - - 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_read; - - return adev->wb.wb[adev->virt.reg_val_offs]; - -failed_kiq_read: - pr_err("failed to read reg:%x\n", reg); - return ~0; -} - -void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) -{ - signed long r, cnt = 0; - unsigned long flags; - uint32_t seq; - struct amdgpu_kiq *kiq = &adev->gfx.kiq; - struct amdgpu_ring *ring = &kiq->ring; - - BUG_ON(!ring->funcs->emit_wreg); - - spin_lock_irqsave(&kiq->ring_lock, flags); - amdgpu_ring_alloc(ring, 32); - amdgpu_ring_emit_wreg(ring, reg, v); - amdgpu_fence_emit_polling(ring, &seq); - 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 gpu reset case because this way may - * block gpu_recover() routine forever, e.g. this virt_kiq_rreg - * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will - * never return if we keep waiting in virt_kiq_rreg, which cause - * gpu_recover() hang there. - * - * also don't wait anymore for IRQ context - * */ - if (r < 1 && (adev->in_gpu_reset || in_interrupt())) - goto failed_kiq_write; - - 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_write; - - return; - -failed_kiq_write: - pr_err("failed to write reg:%x\n", reg); -} - void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev, uint32_t reg0, uint32_t reg1, uint32_t ref, uint32_t mask) @@ -151,7 +75,10 @@ void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev, amdgpu_ring_alloc(ring, 32); amdgpu_ring_emit_reg_write_reg_wait(ring, reg0, reg1, ref, mask); - amdgpu_fence_emit_polling(ring, &seq); + 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); @@ -173,13 +100,16 @@ void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev, return; +failed_undo: + amdgpu_ring_undo(ring); + spin_unlock_irqrestore(&kiq->ring_lock, flags); failed_kiq: - pr_err("failed to write reg %x wait reg %x\n", reg0, reg1); + dev_err(adev->dev, "failed to write reg %x wait reg %x\n", reg0, reg1); } /** * amdgpu_virt_request_full_gpu() - request full gpu access - * @amdgpu: amdgpu device. + * @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. @@ -202,7 +132,7 @@ int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init) /** * amdgpu_virt_release_full_gpu() - release full gpu access - * @amdgpu: amdgpu device. + * @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. @@ -224,7 +154,7 @@ int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init) /** * amdgpu_virt_reset_gpu() - reset gpu - * @amdgpu: amdgpu device. + * @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. */ @@ -244,9 +174,22 @@ int amdgpu_virt_reset_gpu(struct amdgpu_device *adev) 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 - * @amdgpu: amdgpu device. + * @adev: amdgpu device. * Wait for GPU reset completed. * Return: Zero if reset success, otherwise will return error. */ @@ -262,7 +205,7 @@ int amdgpu_virt_wait_reset(struct amdgpu_device *adev) /** * amdgpu_virt_alloc_mm_table() - alloc memory for mm table - * @amdgpu: amdgpu device. + * @adev: amdgpu device. * MM table is used by UVD and VCE for its initialization * Return: Zero if allocate success. */ @@ -292,7 +235,7 @@ int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev) /** * amdgpu_virt_free_mm_table() - free mm table memory - * @amdgpu: amdgpu device. + * @adev: amdgpu device. * Free MM table memory */ void amdgpu_virt_free_mm_table(struct amdgpu_device *adev) @@ -307,10 +250,10 @@ void amdgpu_virt_free_mm_table(struct amdgpu_device *adev) } -int amdgpu_virt_fw_reserve_get_checksum(void *obj, - unsigned long obj_size, - unsigned int key, - unsigned int chksum) +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; @@ -320,113 +263,546 @@ int amdgpu_virt_fw_reserve_get_checksum(void *obj, /* calculate checksum */ for (i = 0; i < obj_size; ++i) ret += *(pos + i); - /* minus the chksum itself */ - pos = (char *)&chksum; - for (i = 0; i < sizeof(chksum); ++i) + /* minus the checksum itself */ + pos = (char *)&checksum; + for (i = 0; i < sizeof(checksum); ++i) ret -= *(pos + i); return ret; } -void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev) +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) + return -ENOMEM; + + bps = kmalloc_array(align_space, sizeof((*data)->bps), GFP_KERNEL); + bps_bo = kmalloc_array(align_space, sizeof((*data)->bps_bo), GFP_KERNEL); + + if (!bps || !bps_bo) { + kfree(bps); + kfree(bps_bo); + kfree(*data); + return -ENOMEM; + } + + (*data)->bps = bps; + (*data)->bps_bo = bps_bo; + (*data)->count = 0; + (*data)->last_reserved = 0; + + virt->ras_init_done = true; + + return 0; +} + +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, + AMDGPU_GEM_DOMAIN_VRAM, + &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) { - uint32_t pf2vf_size = 0; - uint32_t checksum = 0; + 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; + + 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 *)(adev->mman.fw_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; - char *str; + + 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; + struct ttm_resource_manager *vram_man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM); + + 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 = amdgpu_vram_mgr_usage(vram_man) >> 20; + vf2pf_info->fb_vis_usage = amdgpu_vram_mgr_vis_usage(vram_man) >> 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) +{ + uint64_t bp_block_offset = 0; + uint32_t bp_block_size = 0; + struct amd_sriov_msg_pf2vf_info *pf2vf_v2 = NULL; 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 != NULL) { + adev->virt.vf2pf_update_interval_ms = 2000; - if (adev->fw_vram_usage.va != NULL) { adev->virt.fw_reserve.p_pf2vf = - (struct amd_sriov_msg_pf2vf_info_header *)( - adev->fw_vram_usage.va + AMDGIM_DATAEXCHANGE_OFFSET); - AMDGPU_FW_VRAM_PF2VF_READ(adev, header.size, &pf2vf_size); - AMDGPU_FW_VRAM_PF2VF_READ(adev, checksum, &checksum); - AMDGPU_FW_VRAM_PF2VF_READ(adev, feature_flags, &adev->virt.gim_feature); - - /* pf2vf message must be in 4K */ - if (pf2vf_size > 0 && pf2vf_size < 4096) { - checkval = amdgpu_virt_fw_reserve_get_checksum( - adev->virt.fw_reserve.p_pf2vf, pf2vf_size, - adev->virt.fw_reserve.checksum_key, checksum); - if (checkval == checksum) { - adev->virt.fw_reserve.p_vf2pf = - ((void *)adev->virt.fw_reserve.p_pf2vf + - pf2vf_size); - memset((void *)adev->virt.fw_reserve.p_vf2pf, 0, - sizeof(amdgim_vf2pf_info)); - AMDGPU_FW_VRAM_VF2PF_WRITE(adev, header.version, - AMDGPU_FW_VRAM_VF2PF_VER); - AMDGPU_FW_VRAM_VF2PF_WRITE(adev, header.size, - sizeof(amdgim_vf2pf_info)); - AMDGPU_FW_VRAM_VF2PF_READ(adev, driver_version, - &str); -#ifdef MODULE - if (THIS_MODULE->version != NULL) - strcpy(str, THIS_MODULE->version); - else -#endif - strcpy(str, "N/A"); - AMDGPU_FW_VRAM_VF2PF_WRITE(adev, driver_cert, - 0); - AMDGPU_FW_VRAM_VF2PF_WRITE(adev, checksum, - amdgpu_virt_fw_reserve_get_checksum( - adev->virt.fw_reserve.p_vf2pf, - pf2vf_size, - adev->virt.fw_reserve.checksum_key, 0)); + (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)); + + 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); } + } else if (adev->bios != NULL) { + 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); + + return; + } + + if (adev->virt.vf2pf_update_interval_ms != 0) { + INIT_DELAYED_WORK(&adev->virt.vf2pf_work, amdgpu_virt_update_vf2pf_work_item); + schedule_delayed_work(&(adev->virt.vf2pf_work), adev->virt.vf2pf_update_interval_ms); + } +} + +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: + 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) { + if (is_virtual_machine()) /* passthrough mode exclus sriov mod */ + adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; + } + + /* 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: + 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: + 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 uint32_t parse_clk(char *buf, bool min) +static bool amdgpu_virt_access_debugfs_is_mmio(struct amdgpu_device *adev) { - char *ptr = buf; - uint32_t clk = 0; - - do { - ptr = strchr(ptr, ':'); - if (!ptr) - break; - ptr+=2; - if (kstrtou32(ptr, 10, &clk)) - return 0; - } while (!min); - - return clk * 100; + return amdgpu_sriov_is_debug(adev) ? true : false; } -uint32_t amdgpu_virt_get_sclk(struct amdgpu_device *adev, bool lowest) +static bool amdgpu_virt_access_debugfs_is_kiq(struct amdgpu_device *adev) { - char *buf = NULL; - uint32_t clk = 0; + return amdgpu_sriov_is_normal(adev) ? true : false; +} - buf = kzalloc(PAGE_SIZE, GFP_KERNEL); - if (!buf) - return -ENOMEM; +int amdgpu_virt_enable_access_debugfs(struct amdgpu_device *adev) +{ + if (!amdgpu_sriov_vf(adev) || + amdgpu_virt_access_debugfs_is_kiq(adev)) + return 0; - adev->virt.ops->get_pp_clk(adev, PP_SCLK, buf); - clk = parse_clk(buf, lowest); + if (amdgpu_virt_access_debugfs_is_mmio(adev)) + adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; + else + return -EPERM; - kfree(buf); + return 0; +} - return clk; +void amdgpu_virt_disable_access_debugfs(struct amdgpu_device *adev) +{ + if (amdgpu_sriov_vf(adev)) + adev->virt.caps |= AMDGPU_SRIOV_CAPS_RUNTIME; } -uint32_t amdgpu_virt_get_mclk(struct amdgpu_device *adev, bool lowest) +enum amdgpu_sriov_vf_mode amdgpu_virt_get_sriov_vf_mode(struct amdgpu_device *adev) { - char *buf = NULL; - uint32_t clk = 0; + 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; + } - buf = kzalloc(PAGE_SIZE, GFP_KERNEL); - if (!buf) - return -ENOMEM; + return mode; +} - adev->virt.ops->get_pp_clk(adev, PP_MCLK, buf); - clk = parse_clk(buf, lowest); +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; - kfree(buf); + if (!adev->virt.is_mm_bw_enabled) + return; - return clk; + 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; + } + } } |