>From MES version 0x81, it provide the new API INV_TLBS that support invalidate tlbs with PASID.
Signed-off-by: Shaoyun Liu <shaoyun....@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h | 10 ++++++ drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 16 +++++++++ drivers/gpu/drm/amd/amdgpu/mes_v12_0.c | 43 +++++++++++++++++++++++++ 3 files changed, 69 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h index c0d2c195fe2e..489a4a0f0610 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h @@ -280,6 +280,13 @@ struct mes_reset_queue_input { bool is_kq; }; +struct mes_inv_tlbs_pasid_input { + uint32_t xcc_id; + uint16_t pasid; + uint8_t hub_id; + uint8_t flush_type; +}; + enum mes_misc_opcode { MES_MISC_OP_WRITE_REG, MES_MISC_OP_READ_REG, @@ -367,6 +374,9 @@ struct amdgpu_mes_funcs { int (*reset_hw_queue)(struct amdgpu_mes *mes, struct mes_reset_queue_input *input); + + int (*invalidate_tlbs_pasid)(struct amdgpu_mes *mes, + struct mes_inv_tlbs_pasid_input *input); }; #define amdgpu_mes_kiq_hw_init(adev) (adev)->mes.kiq_hw_init((adev)) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c index feb92e107af8..eed62e9a9b96 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c @@ -339,6 +339,22 @@ static void gmc_v12_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, uint16_t queried; int vmid, i; + if (adev->enable_uni_mes && adev->mes.ring[AMDGPU_MES_SCHED_PIPE].sched.ready && + (adev->mes.sched_version & AMDGPU_MES_VERSION_MASK) >= 0x81) { + struct mes_inv_tlbs_pasid_input input = {0}; + input.pasid = pasid; + input.flush_type = flush_type; + input.hub_id = AMDGPU_GFXHUB(0); + /* MES will invalidate all gc_hub for the device from master */ + adev->mes.funcs->invalidate_tlbs_pasid(&adev->mes, &input); + if (all_hub) { + /* Only need to invalidate mm_hub now, gfx12 only support one mmhub */ + input.hub_id = AMDGPU_MMHUB(0); + adev->mes.funcs->invalidate_tlbs_pasid(&adev->mes, &input); + } + return; + } + for (vmid = 1; vmid < 16; vmid++) { bool valid; diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c index 6b222630f3fa..d0b5deed245d 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c @@ -108,6 +108,7 @@ static const char *mes_v12_0_opcodes[] = { "SET_SE_MODE", "SET_GANG_SUBMIT", "SET_HW_RSRC_1", + "INVALIDATE_TLBS", }; static const char *mes_v12_0_misc_opcodes[] = { @@ -879,6 +880,47 @@ static int mes_v12_0_reset_hw_queue(struct amdgpu_mes *mes, offsetof(union MESAPI__RESET, api_status)); } +static int mes_v12_inv_tlb_convert_hub_id(enum amdgpu_mes_hub_id id) +{ + int mes_hub_id = id; + /* + * MES doesn't support invalidate gc_hub on slave xcc individually + * master xcc will invalidate all gc_hub for the partition + */ + if (AMDGPU_IS_GFXHUB(id)) + return 0; + else if (AMDGPU_IS_MMHUB0(id)) + return 1; + else + return -EINVAL; + +} + +static int mes_v12_0_inv_tlbs_pasid(struct amdgpu_mes *mes, + struct mes_inv_tlbs_pasid_input *input) +{ + union MESAPI__INV_TLBS mes_inv_tlbs; + + memset(&mes_inv_tlbs, 0, sizeof(mes_inv_tlbs)); + + mes_inv_tlbs.header.type = MES_API_TYPE_SCHEDULER; + mes_inv_tlbs.header.opcode = MES_SCH_API_INV_TLBS; + mes_inv_tlbs.header.dwsize = API_FRAME_SIZE_IN_DWORDS; + + mes_inv_tlbs.invalidate_tlbs.inv_sel = 0; + mes_inv_tlbs.invalidate_tlbs.flush_type = input->flush_type; + mes_inv_tlbs.invalidate_tlbs.inv_sel_id = input->pasid; + + /*convert amdgpu_mes_hub_id to mes expected hub_id */ + mes_inv_tlbs.invalidate_tlbs.hub_id = mes_v12_inv_tlb_convert_hub_id(input->hub_id); + if (mes_inv_tlbs.invalidate_tlbs.hub_id < 0) + return -EINVAL; + return mes_v12_0_submit_pkt_and_poll_completion(mes, AMDGPU_MES_KIQ_PIPE, + &mes_inv_tlbs, sizeof(mes_inv_tlbs), + offsetof(union MESAPI__INV_TLBS, api_status)); + +} + static const struct amdgpu_mes_funcs mes_v12_0_funcs = { .add_hw_queue = mes_v12_0_add_hw_queue, .remove_hw_queue = mes_v12_0_remove_hw_queue, @@ -888,6 +930,7 @@ static const struct amdgpu_mes_funcs mes_v12_0_funcs = { .resume_gang = mes_v12_0_resume_gang, .misc_op = mes_v12_0_misc_op, .reset_hw_queue = mes_v12_0_reset_hw_queue, + .invalidate_tlbs_pasid = mes_v12_0_inv_tlbs_pasid, }; static int mes_v12_0_allocate_ucode_buffer(struct amdgpu_device *adev, -- 2.34.1