diff options
Diffstat (limited to 'drivers/accel/amdxdna/aie2_message.c')
| -rw-r--r-- | drivers/accel/amdxdna/aie2_message.c | 1074 |
1 files changed, 1074 insertions, 0 deletions
diff --git a/drivers/accel/amdxdna/aie2_message.c b/drivers/accel/amdxdna/aie2_message.c new file mode 100644 index 000000000000..d493bb1c3360 --- /dev/null +++ b/drivers/accel/amdxdna/aie2_message.c @@ -0,0 +1,1074 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2023-2024, Advanced Micro Devices, Inc. + */ + +#include <drm/amdxdna_accel.h> +#include <drm/drm_cache.h> +#include <drm/drm_device.h> +#include <drm/drm_gem.h> +#include <drm/drm_gem_shmem_helper.h> +#include <drm/drm_print.h> +#include <drm/gpu_scheduler.h> +#include <linux/bitfield.h> +#include <linux/errno.h> +#include <linux/pci.h> +#include <linux/types.h> +#include <linux/xarray.h> + +#include "aie2_msg_priv.h" +#include "aie2_pci.h" +#include "amdxdna_ctx.h" +#include "amdxdna_gem.h" +#include "amdxdna_mailbox.h" +#include "amdxdna_mailbox_helper.h" +#include "amdxdna_pci_drv.h" + +#define DECLARE_AIE2_MSG(name, op) \ + DECLARE_XDNA_MSG_COMMON(name, op, MAX_AIE2_STATUS_CODE) + +#define EXEC_MSG_OPS(xdna) ((xdna)->dev_handle->exec_msg_ops) + +static int aie2_send_mgmt_msg_wait(struct amdxdna_dev_hdl *ndev, + struct xdna_mailbox_msg *msg) +{ + struct amdxdna_dev *xdna = ndev->xdna; + struct xdna_notify *hdl = msg->handle; + int ret; + + if (!ndev->mgmt_chann) + return -ENODEV; + + drm_WARN_ON(&xdna->ddev, xdna->rpm_on && !mutex_is_locked(&xdna->dev_lock)); + ret = xdna_send_msg_wait(xdna, ndev->mgmt_chann, msg); + if (ret == -ETIME) { + xdna_mailbox_stop_channel(ndev->mgmt_chann); + xdna_mailbox_destroy_channel(ndev->mgmt_chann); + ndev->mgmt_chann = NULL; + } + + if (!ret && *hdl->status != AIE2_STATUS_SUCCESS) { + XDNA_ERR(xdna, "command opcode 0x%x failed, status 0x%x", + msg->opcode, *hdl->data); + ret = -EINVAL; + } + + return ret; +} + +int aie2_suspend_fw(struct amdxdna_dev_hdl *ndev) +{ + DECLARE_AIE2_MSG(suspend, MSG_OP_SUSPEND); + + return aie2_send_mgmt_msg_wait(ndev, &msg); +} + +int aie2_resume_fw(struct amdxdna_dev_hdl *ndev) +{ + DECLARE_AIE2_MSG(suspend, MSG_OP_RESUME); + + return aie2_send_mgmt_msg_wait(ndev, &msg); +} + +int aie2_set_runtime_cfg(struct amdxdna_dev_hdl *ndev, u32 type, u64 value) +{ + DECLARE_AIE2_MSG(set_runtime_cfg, MSG_OP_SET_RUNTIME_CONFIG); + int ret; + + req.type = type; + req.value = value; + + ret = aie2_send_mgmt_msg_wait(ndev, &msg); + if (ret) { + XDNA_ERR(ndev->xdna, "Failed to set runtime config, ret %d", ret); + return ret; + } + + return 0; +} + +int aie2_get_runtime_cfg(struct amdxdna_dev_hdl *ndev, u32 type, u64 *value) +{ + DECLARE_AIE2_MSG(get_runtime_cfg, MSG_OP_GET_RUNTIME_CONFIG); + int ret; + + req.type = type; + ret = aie2_send_mgmt_msg_wait(ndev, &msg); + if (ret) { + XDNA_ERR(ndev->xdna, "Failed to get runtime config, ret %d", ret); + return ret; + } + + *value = resp.value; + return 0; +} + +int aie2_assign_mgmt_pasid(struct amdxdna_dev_hdl *ndev, u16 pasid) +{ + DECLARE_AIE2_MSG(assign_mgmt_pasid, MSG_OP_ASSIGN_MGMT_PASID); + + req.pasid = pasid; + + return aie2_send_mgmt_msg_wait(ndev, &msg); +} + +int aie2_query_aie_version(struct amdxdna_dev_hdl *ndev, struct aie_version *version) +{ + DECLARE_AIE2_MSG(aie_version_info, MSG_OP_QUERY_AIE_VERSION); + struct amdxdna_dev *xdna = ndev->xdna; + int ret; + + ret = aie2_send_mgmt_msg_wait(ndev, &msg); + if (ret) + return ret; + + XDNA_DBG(xdna, "Query AIE version - major: %u minor: %u completed", + resp.major, resp.minor); + + version->major = resp.major; + version->minor = resp.minor; + + return 0; +} + +int aie2_query_aie_metadata(struct amdxdna_dev_hdl *ndev, struct aie_metadata *metadata) +{ + DECLARE_AIE2_MSG(aie_tile_info, MSG_OP_QUERY_AIE_TILE_INFO); + int ret; + + ret = aie2_send_mgmt_msg_wait(ndev, &msg); + if (ret) + return ret; + + metadata->size = resp.info.size; + metadata->cols = resp.info.cols; + metadata->rows = resp.info.rows; + + metadata->version.major = resp.info.major; + metadata->version.minor = resp.info.minor; + + metadata->core.row_count = resp.info.core_rows; + metadata->core.row_start = resp.info.core_row_start; + metadata->core.dma_channel_count = resp.info.core_dma_channels; + metadata->core.lock_count = resp.info.core_locks; + metadata->core.event_reg_count = resp.info.core_events; + + metadata->mem.row_count = resp.info.mem_rows; + metadata->mem.row_start = resp.info.mem_row_start; + metadata->mem.dma_channel_count = resp.info.mem_dma_channels; + metadata->mem.lock_count = resp.info.mem_locks; + metadata->mem.event_reg_count = resp.info.mem_events; + + metadata->shim.row_count = resp.info.shim_rows; + metadata->shim.row_start = resp.info.shim_row_start; + metadata->shim.dma_channel_count = resp.info.shim_dma_channels; + metadata->shim.lock_count = resp.info.shim_locks; + metadata->shim.event_reg_count = resp.info.shim_events; + + return 0; +} + +int aie2_query_firmware_version(struct amdxdna_dev_hdl *ndev, + struct amdxdna_fw_ver *fw_ver) +{ + DECLARE_AIE2_MSG(firmware_version, MSG_OP_GET_FIRMWARE_VERSION); + int ret; + + ret = aie2_send_mgmt_msg_wait(ndev, &msg); + if (ret) + return ret; + + fw_ver->major = resp.major; + fw_ver->minor = resp.minor; + fw_ver->sub = resp.sub; + fw_ver->build = resp.build; + + return 0; +} + +int aie2_create_context(struct amdxdna_dev_hdl *ndev, struct amdxdna_hwctx *hwctx) +{ + DECLARE_AIE2_MSG(create_ctx, MSG_OP_CREATE_CONTEXT); + struct amdxdna_dev *xdna = ndev->xdna; + struct xdna_mailbox_chann_res x2i; + struct xdna_mailbox_chann_res i2x; + struct cq_pair *cq_pair; + u32 intr_reg; + int ret; + + req.aie_type = 1; + req.start_col = hwctx->start_col; + req.num_col = hwctx->num_col; + req.num_cq_pairs_requested = 1; + req.pasid = hwctx->client->pasid; + req.context_priority = 2; + + ret = aie2_send_mgmt_msg_wait(ndev, &msg); + if (ret) + return ret; + + hwctx->fw_ctx_id = resp.context_id; + WARN_ONCE(hwctx->fw_ctx_id == -1, "Unexpected context id"); + + if (ndev->force_preempt_enabled) { + ret = aie2_runtime_cfg(ndev, AIE2_RT_CFG_FORCE_PREEMPT, &hwctx->fw_ctx_id); + if (ret) { + XDNA_ERR(xdna, "failed to enable force preempt %d", ret); + return ret; + } + } + + cq_pair = &resp.cq_pair[0]; + x2i.mb_head_ptr_reg = AIE2_MBOX_OFF(ndev, cq_pair->x2i_q.head_addr); + x2i.mb_tail_ptr_reg = AIE2_MBOX_OFF(ndev, cq_pair->x2i_q.tail_addr); + x2i.rb_start_addr = AIE2_SRAM_OFF(ndev, cq_pair->x2i_q.buf_addr); + x2i.rb_size = cq_pair->x2i_q.buf_size; + + i2x.mb_head_ptr_reg = AIE2_MBOX_OFF(ndev, cq_pair->i2x_q.head_addr); + i2x.mb_tail_ptr_reg = AIE2_MBOX_OFF(ndev, cq_pair->i2x_q.tail_addr); + i2x.rb_start_addr = AIE2_SRAM_OFF(ndev, cq_pair->i2x_q.buf_addr); + i2x.rb_size = cq_pair->i2x_q.buf_size; + + ret = pci_irq_vector(to_pci_dev(xdna->ddev.dev), resp.msix_id); + if (ret == -EINVAL) { + XDNA_ERR(xdna, "not able to create channel"); + goto out_destroy_context; + } + + intr_reg = i2x.mb_head_ptr_reg + 4; + hwctx->priv->mbox_chann = xdna_mailbox_create_channel(ndev->mbox, &x2i, &i2x, + intr_reg, ret); + if (!hwctx->priv->mbox_chann) { + XDNA_ERR(xdna, "not able to create channel"); + ret = -EINVAL; + goto out_destroy_context; + } + ndev->hwctx_num++; + + XDNA_DBG(xdna, "%s mailbox channel irq: %d, msix_id: %d", + hwctx->name, ret, resp.msix_id); + XDNA_DBG(xdna, "%s created fw ctx %d pasid %d", hwctx->name, + hwctx->fw_ctx_id, hwctx->client->pasid); + + return 0; + +out_destroy_context: + aie2_destroy_context(ndev, hwctx); + return ret; +} + +int aie2_destroy_context(struct amdxdna_dev_hdl *ndev, struct amdxdna_hwctx *hwctx) +{ + DECLARE_AIE2_MSG(destroy_ctx, MSG_OP_DESTROY_CONTEXT); + struct amdxdna_dev *xdna = ndev->xdna; + int ret; + + if (hwctx->fw_ctx_id == -1) + return 0; + + xdna_mailbox_stop_channel(hwctx->priv->mbox_chann); + + req.context_id = hwctx->fw_ctx_id; + ret = aie2_send_mgmt_msg_wait(ndev, &msg); + if (ret) + XDNA_WARN(xdna, "%s destroy context failed, ret %d", hwctx->name, ret); + + xdna_mailbox_destroy_channel(hwctx->priv->mbox_chann); + XDNA_DBG(xdna, "%s destroyed fw ctx %d", hwctx->name, + hwctx->fw_ctx_id); + hwctx->priv->mbox_chann = NULL; + hwctx->fw_ctx_id = -1; + ndev->hwctx_num--; + + return ret; +} + +int aie2_map_host_buf(struct amdxdna_dev_hdl *ndev, u32 context_id, u64 addr, u64 size) +{ + DECLARE_AIE2_MSG(map_host_buffer, MSG_OP_MAP_HOST_BUFFER); + struct amdxdna_dev *xdna = ndev->xdna; + int ret; + + req.context_id = context_id; + req.buf_addr = addr; + req.buf_size = size; + ret = aie2_send_mgmt_msg_wait(ndev, &msg); + if (ret) + return ret; + + XDNA_DBG(xdna, "fw ctx %d map host buf addr 0x%llx size 0x%llx", + context_id, addr, size); + + return 0; +} + +static int amdxdna_hwctx_col_map(struct amdxdna_hwctx *hwctx, void *arg) +{ + u32 *bitmap = arg; + + *bitmap |= GENMASK(hwctx->start_col + hwctx->num_col - 1, hwctx->start_col); + + return 0; +} + +int aie2_query_status(struct amdxdna_dev_hdl *ndev, char __user *buf, + u32 size, u32 *cols_filled) +{ + DECLARE_AIE2_MSG(aie_column_info, MSG_OP_QUERY_COL_STATUS); + struct amdxdna_dev *xdna = ndev->xdna; + struct amdxdna_client *client; + dma_addr_t dma_addr; + u32 aie_bitmap = 0; + u8 *buff_addr; + int ret; + + buff_addr = dma_alloc_noncoherent(xdna->ddev.dev, size, &dma_addr, + DMA_FROM_DEVICE, GFP_KERNEL); + if (!buff_addr) + return -ENOMEM; + + /* Go through each hardware context and mark the AIE columns that are active */ + list_for_each_entry(client, &xdna->client_list, node) + amdxdna_hwctx_walk(client, &aie_bitmap, amdxdna_hwctx_col_map); + + *cols_filled = 0; + req.dump_buff_addr = dma_addr; + req.dump_buff_size = size; + req.num_cols = hweight32(aie_bitmap); + req.aie_bitmap = aie_bitmap; + + drm_clflush_virt_range(buff_addr, size); /* device can access */ + ret = aie2_send_mgmt_msg_wait(ndev, &msg); + if (ret) { + XDNA_ERR(xdna, "Error during NPU query, status %d", ret); + goto fail; + } + + XDNA_DBG(xdna, "Query NPU status completed"); + + if (size < resp.size) { + ret = -EINVAL; + XDNA_ERR(xdna, "Bad buffer size. Available: %u. Needs: %u", size, resp.size); + goto fail; + } + + if (copy_to_user(buf, buff_addr, resp.size)) { + ret = -EFAULT; + XDNA_ERR(xdna, "Failed to copy NPU status to user space"); + goto fail; + } + + *cols_filled = aie_bitmap; + +fail: + dma_free_noncoherent(xdna->ddev.dev, size, buff_addr, dma_addr, DMA_FROM_DEVICE); + return ret; +} + +int aie2_query_telemetry(struct amdxdna_dev_hdl *ndev, + char __user *buf, u32 size, + struct amdxdna_drm_query_telemetry_header *header) +{ + DECLARE_AIE2_MSG(get_telemetry, MSG_OP_GET_TELEMETRY); + struct amdxdna_dev *xdna = ndev->xdna; + dma_addr_t dma_addr; + u8 *addr; + int ret; + + if (header->type >= MAX_TELEMETRY_TYPE) + return -EINVAL; + + addr = dma_alloc_noncoherent(xdna->ddev.dev, size, &dma_addr, + DMA_FROM_DEVICE, GFP_KERNEL); + if (!addr) + return -ENOMEM; + + req.buf_addr = dma_addr; + req.buf_size = size; + req.type = header->type; + + drm_clflush_virt_range(addr, size); /* device can access */ + ret = aie2_send_mgmt_msg_wait(ndev, &msg); + if (ret) { + XDNA_ERR(xdna, "Query telemetry failed, status %d", ret); + goto free_buf; + } + + if (size < resp.size) { + ret = -EINVAL; + XDNA_ERR(xdna, "Bad buffer size. Available: %u. Needs: %u", size, resp.size); + goto free_buf; + } + + if (copy_to_user(buf, addr, resp.size)) { + ret = -EFAULT; + XDNA_ERR(xdna, "Failed to copy telemetry to user space"); + goto free_buf; + } + + header->major = resp.major; + header->minor = resp.minor; + +free_buf: + dma_free_noncoherent(xdna->ddev.dev, size, addr, dma_addr, DMA_FROM_DEVICE); + return ret; +} + +int aie2_register_asyn_event_msg(struct amdxdna_dev_hdl *ndev, dma_addr_t addr, u32 size, + void *handle, int (*cb)(void*, void __iomem *, size_t)) +{ + struct async_event_msg_req req = { 0 }; + struct xdna_mailbox_msg msg = { + .send_data = (u8 *)&req, + .send_size = sizeof(req), + .handle = handle, + .opcode = MSG_OP_REGISTER_ASYNC_EVENT_MSG, + .notify_cb = cb, + }; + + req.buf_addr = addr; + req.buf_size = size; + + XDNA_DBG(ndev->xdna, "Register addr 0x%llx size 0x%x", addr, size); + return xdna_mailbox_send_msg(ndev->mgmt_chann, &msg, TX_TIMEOUT); +} + +int aie2_config_cu(struct amdxdna_hwctx *hwctx, + int (*notify_cb)(void *, void __iomem *, size_t)) +{ + struct mailbox_channel *chann = hwctx->priv->mbox_chann; + struct amdxdna_dev *xdna = hwctx->client->xdna; + u32 shift = xdna->dev_info->dev_mem_buf_shift; + struct config_cu_req req = { 0 }; + struct xdna_mailbox_msg msg; + struct drm_gem_object *gobj; + struct amdxdna_gem_obj *abo; + int i; + + if (!chann) + return -ENODEV; + + if (hwctx->cus->num_cus > MAX_NUM_CUS) { + XDNA_DBG(xdna, "Exceed maximum CU %d", MAX_NUM_CUS); + return -EINVAL; + } + + for (i = 0; i < hwctx->cus->num_cus; i++) { + struct amdxdna_cu_config *cu = &hwctx->cus->cu_configs[i]; + + if (XDNA_MBZ_DBG(xdna, cu->pad, sizeof(cu->pad))) + return -EINVAL; + + gobj = drm_gem_object_lookup(hwctx->client->filp, cu->cu_bo); + if (!gobj) { + XDNA_ERR(xdna, "Lookup GEM object failed"); + return -EINVAL; + } + abo = to_xdna_obj(gobj); + + if (abo->type != AMDXDNA_BO_DEV) { + drm_gem_object_put(gobj); + XDNA_ERR(xdna, "Invalid BO type"); + return -EINVAL; + } + + req.cfgs[i] = FIELD_PREP(AIE2_MSG_CFG_CU_PDI_ADDR, + abo->mem.dev_addr >> shift); + req.cfgs[i] |= FIELD_PREP(AIE2_MSG_CFG_CU_FUNC, cu->cu_func); + XDNA_DBG(xdna, "CU %d full addr 0x%llx, cfg 0x%x", i, + abo->mem.dev_addr, req.cfgs[i]); + drm_gem_object_put(gobj); + } + req.num_cus = hwctx->cus->num_cus; + + msg.send_data = (u8 *)&req; + msg.send_size = sizeof(req); + msg.handle = hwctx; + msg.opcode = MSG_OP_CONFIG_CU; + msg.notify_cb = notify_cb; + return xdna_mailbox_send_msg(chann, &msg, TX_TIMEOUT); +} + +static int aie2_init_exec_cu_req(struct amdxdna_gem_obj *cmd_bo, void *req, + size_t *size, u32 *msg_op) +{ + struct execute_buffer_req *cu_req = req; + u32 cmd_len; + void *cmd; + + cmd = amdxdna_cmd_get_payload(cmd_bo, &cmd_len); + if (cmd_len > sizeof(cu_req->payload)) + return -EINVAL; + + cu_req->cu_idx = amdxdna_cmd_get_cu_idx(cmd_bo); + if (cu_req->cu_idx == INVALID_CU_IDX) + return -EINVAL; + + memcpy(cu_req->payload, cmd, cmd_len); + + *size = sizeof(*cu_req); + *msg_op = MSG_OP_EXECUTE_BUFFER_CF; + return 0; +} + +static int aie2_init_exec_dpu_req(struct amdxdna_gem_obj *cmd_bo, void *req, + size_t *size, u32 *msg_op) +{ + struct exec_dpu_req *dpu_req = req; + struct amdxdna_cmd_start_npu *sn; + u32 cmd_len; + + sn = amdxdna_cmd_get_payload(cmd_bo, &cmd_len); + if (cmd_len - sizeof(*sn) > sizeof(dpu_req->payload)) + return -EINVAL; + + dpu_req->cu_idx = amdxdna_cmd_get_cu_idx(cmd_bo); + if (dpu_req->cu_idx == INVALID_CU_IDX) + return -EINVAL; + + dpu_req->inst_buf_addr = sn->buffer; + dpu_req->inst_size = sn->buffer_size; + dpu_req->inst_prop_cnt = sn->prop_count; + memcpy(dpu_req->payload, sn->prop_args, cmd_len - sizeof(*sn)); + + *size = sizeof(*dpu_req); + *msg_op = MSG_OP_EXEC_DPU; + return 0; +} + +static void aie2_init_exec_chain_req(void *req, u64 slot_addr, size_t size, u32 cmd_cnt) +{ + struct cmd_chain_req *chain_req = req; + + chain_req->buf_addr = slot_addr; + chain_req->buf_size = size; + chain_req->count = cmd_cnt; +} + +static void aie2_init_npu_chain_req(void *req, u64 slot_addr, size_t size, u32 cmd_cnt) +{ + struct cmd_chain_npu_req *npu_chain_req = req; + + npu_chain_req->flags = 0; + npu_chain_req->reserved = 0; + npu_chain_req->buf_addr = slot_addr; + npu_chain_req->buf_size = size; + npu_chain_req->count = cmd_cnt; +} + +static int +aie2_cmdlist_fill_cf(struct amdxdna_gem_obj *cmd_bo, void *slot, size_t *size) +{ + struct cmd_chain_slot_execbuf_cf *cf_slot = slot; + u32 cmd_len; + void *cmd; + + cmd = amdxdna_cmd_get_payload(cmd_bo, &cmd_len); + if (*size < sizeof(*cf_slot) + cmd_len) + return -EINVAL; + + cf_slot->cu_idx = amdxdna_cmd_get_cu_idx(cmd_bo); + if (cf_slot->cu_idx == INVALID_CU_IDX) + return -EINVAL; + + cf_slot->arg_cnt = cmd_len / sizeof(u32); + memcpy(cf_slot->args, cmd, cmd_len); + /* Accurate slot size to hint firmware to do necessary copy */ + *size = sizeof(*cf_slot) + cmd_len; + return 0; +} + +static int +aie2_cmdlist_fill_dpu(struct amdxdna_gem_obj *cmd_bo, void *slot, size_t *size) +{ + struct cmd_chain_slot_dpu *dpu_slot = slot; + struct amdxdna_cmd_start_npu *sn; + u32 cmd_len; + u32 arg_sz; + + sn = amdxdna_cmd_get_payload(cmd_bo, &cmd_len); + arg_sz = cmd_len - sizeof(*sn); + if (cmd_len < sizeof(*sn) || arg_sz > MAX_DPU_ARGS_SIZE) + return -EINVAL; + + if (*size < sizeof(*dpu_slot) + arg_sz) + return -EINVAL; + + dpu_slot->cu_idx = amdxdna_cmd_get_cu_idx(cmd_bo); + if (dpu_slot->cu_idx == INVALID_CU_IDX) + return -EINVAL; + + dpu_slot->inst_buf_addr = sn->buffer; + dpu_slot->inst_size = sn->buffer_size; + dpu_slot->inst_prop_cnt = sn->prop_count; + dpu_slot->arg_cnt = arg_sz / sizeof(u32); + memcpy(dpu_slot->args, sn->prop_args, arg_sz); + + /* Accurate slot size to hint firmware to do necessary copy */ + *size = sizeof(*dpu_slot) + arg_sz; + return 0; +} + +static int aie2_cmdlist_unsupp(struct amdxdna_gem_obj *cmd_bo, void *slot, size_t *size) +{ + return -EOPNOTSUPP; +} + +static u32 aie2_get_chain_msg_op(u32 cmd_op) +{ + switch (cmd_op) { + case ERT_START_CU: + return MSG_OP_CHAIN_EXEC_BUFFER_CF; + case ERT_START_NPU: + return MSG_OP_CHAIN_EXEC_DPU; + default: + break; + } + + return MSG_OP_MAX_OPCODE; +} + +static struct aie2_exec_msg_ops legacy_exec_message_ops = { + .init_cu_req = aie2_init_exec_cu_req, + .init_dpu_req = aie2_init_exec_dpu_req, + .init_chain_req = aie2_init_exec_chain_req, + .fill_cf_slot = aie2_cmdlist_fill_cf, + .fill_dpu_slot = aie2_cmdlist_fill_dpu, + .fill_preempt_slot = aie2_cmdlist_unsupp, + .fill_elf_slot = aie2_cmdlist_unsupp, + .get_chain_msg_op = aie2_get_chain_msg_op, +}; + +static int +aie2_cmdlist_fill_npu_cf(struct amdxdna_gem_obj *cmd_bo, void *slot, size_t *size) +{ + struct cmd_chain_slot_npu *npu_slot = slot; + u32 cmd_len; + void *cmd; + + cmd = amdxdna_cmd_get_payload(cmd_bo, &cmd_len); + if (*size < sizeof(*npu_slot) + cmd_len) + return -EINVAL; + + npu_slot->cu_idx = amdxdna_cmd_get_cu_idx(cmd_bo); + if (npu_slot->cu_idx == INVALID_CU_IDX) + return -EINVAL; + + memset(npu_slot, 0, sizeof(*npu_slot)); + npu_slot->type = EXEC_NPU_TYPE_NON_ELF; + npu_slot->arg_cnt = cmd_len / sizeof(u32); + memcpy(npu_slot->args, cmd, cmd_len); + + *size = sizeof(*npu_slot) + cmd_len; + return 0; +} + +static int +aie2_cmdlist_fill_npu_dpu(struct amdxdna_gem_obj *cmd_bo, void *slot, size_t *size) +{ + struct cmd_chain_slot_npu *npu_slot = slot; + struct amdxdna_cmd_start_npu *sn; + u32 cmd_len; + u32 arg_sz; + + sn = amdxdna_cmd_get_payload(cmd_bo, &cmd_len); + arg_sz = cmd_len - sizeof(*sn); + if (cmd_len < sizeof(*sn) || arg_sz > MAX_NPU_ARGS_SIZE) + return -EINVAL; + + if (*size < sizeof(*npu_slot) + arg_sz) + return -EINVAL; + + npu_slot->cu_idx = amdxdna_cmd_get_cu_idx(cmd_bo); + if (npu_slot->cu_idx == INVALID_CU_IDX) + return -EINVAL; + + memset(npu_slot, 0, sizeof(*npu_slot)); + npu_slot->type = EXEC_NPU_TYPE_PARTIAL_ELF; + npu_slot->inst_buf_addr = sn->buffer; + npu_slot->inst_size = sn->buffer_size; + npu_slot->inst_prop_cnt = sn->prop_count; + npu_slot->arg_cnt = arg_sz / sizeof(u32); + memcpy(npu_slot->args, sn->prop_args, arg_sz); + + *size = sizeof(*npu_slot) + arg_sz; + return 0; +} + +static int +aie2_cmdlist_fill_npu_preempt(struct amdxdna_gem_obj *cmd_bo, void *slot, size_t *size) +{ + struct cmd_chain_slot_npu *npu_slot = slot; + struct amdxdna_cmd_preempt_data *pd; + u32 cmd_len; + u32 arg_sz; + + pd = amdxdna_cmd_get_payload(cmd_bo, &cmd_len); + arg_sz = cmd_len - sizeof(*pd); + if (cmd_len < sizeof(*pd) || arg_sz > MAX_NPU_ARGS_SIZE) + return -EINVAL; + + if (*size < sizeof(*npu_slot) + arg_sz) + return -EINVAL; + + npu_slot->cu_idx = amdxdna_cmd_get_cu_idx(cmd_bo); + if (npu_slot->cu_idx == INVALID_CU_IDX) + return -EINVAL; + + memset(npu_slot, 0, sizeof(*npu_slot)); + npu_slot->type = EXEC_NPU_TYPE_PREEMPT; + npu_slot->inst_buf_addr = pd->inst_buf; + npu_slot->save_buf_addr = pd->save_buf; + npu_slot->restore_buf_addr = pd->restore_buf; + npu_slot->inst_size = pd->inst_size; + npu_slot->save_size = pd->save_size; + npu_slot->restore_size = pd->restore_size; + npu_slot->inst_prop_cnt = pd->inst_prop_cnt; + npu_slot->arg_cnt = arg_sz / sizeof(u32); + memcpy(npu_slot->args, pd->prop_args, arg_sz); + + *size = sizeof(*npu_slot) + arg_sz; + return 0; +} + +static int +aie2_cmdlist_fill_npu_elf(struct amdxdna_gem_obj *cmd_bo, void *slot, size_t *size) +{ + struct cmd_chain_slot_npu *npu_slot = slot; + struct amdxdna_cmd_preempt_data *pd; + u32 cmd_len; + u32 arg_sz; + + pd = amdxdna_cmd_get_payload(cmd_bo, &cmd_len); + arg_sz = cmd_len - sizeof(*pd); + if (cmd_len < sizeof(*pd) || arg_sz > MAX_NPU_ARGS_SIZE) + return -EINVAL; + + if (*size < sizeof(*npu_slot) + arg_sz) + return -EINVAL; + + memset(npu_slot, 0, sizeof(*npu_slot)); + npu_slot->type = EXEC_NPU_TYPE_ELF; + npu_slot->inst_buf_addr = pd->inst_buf; + npu_slot->save_buf_addr = pd->save_buf; + npu_slot->restore_buf_addr = pd->restore_buf; + npu_slot->inst_size = pd->inst_size; + npu_slot->save_size = pd->save_size; + npu_slot->restore_size = pd->restore_size; + npu_slot->inst_prop_cnt = pd->inst_prop_cnt; + npu_slot->arg_cnt = 1; + npu_slot->args[0] = AIE2_EXEC_BUFFER_KERNEL_OP_TXN; + + *size = struct_size(npu_slot, args, npu_slot->arg_cnt); + return 0; +} + +static u32 aie2_get_npu_chain_msg_op(u32 cmd_op) +{ + return MSG_OP_CHAIN_EXEC_NPU; +} + +static struct aie2_exec_msg_ops npu_exec_message_ops = { + .init_cu_req = aie2_init_exec_cu_req, + .init_dpu_req = aie2_init_exec_dpu_req, + .init_chain_req = aie2_init_npu_chain_req, + .fill_cf_slot = aie2_cmdlist_fill_npu_cf, + .fill_dpu_slot = aie2_cmdlist_fill_npu_dpu, + .fill_preempt_slot = aie2_cmdlist_fill_npu_preempt, + .fill_elf_slot = aie2_cmdlist_fill_npu_elf, + .get_chain_msg_op = aie2_get_npu_chain_msg_op, +}; + +static int aie2_init_exec_req(void *req, struct amdxdna_gem_obj *cmd_abo, + size_t *size, u32 *msg_op) +{ + struct amdxdna_dev *xdna = cmd_abo->client->xdna; + int ret; + u32 op; + + + op = amdxdna_cmd_get_op(cmd_abo); + switch (op) { + case ERT_START_CU: + ret = EXEC_MSG_OPS(xdna)->init_cu_req(cmd_abo, req, size, msg_op); + if (ret) { + XDNA_DBG(xdna, "Init CU req failed ret %d", ret); + return ret; + } + break; + case ERT_START_NPU: + ret = EXEC_MSG_OPS(xdna)->init_dpu_req(cmd_abo, req, size, msg_op); + if (ret) { + XDNA_DBG(xdna, "Init DPU req failed ret %d", ret); + return ret; + } + + break; + default: + XDNA_ERR(xdna, "Unsupported op %d", op); + ret = -EOPNOTSUPP; + break; + } + + return ret; +} + +static int +aie2_cmdlist_fill_slot(void *slot, struct amdxdna_gem_obj *cmd_abo, + size_t *size, u32 *cmd_op) +{ + struct amdxdna_dev *xdna = cmd_abo->client->xdna; + int ret; + u32 op; + + op = amdxdna_cmd_get_op(cmd_abo); + if (*cmd_op == ERT_INVALID_CMD) + *cmd_op = op; + else if (op != *cmd_op) + return -EINVAL; + + switch (op) { + case ERT_START_CU: + ret = EXEC_MSG_OPS(xdna)->fill_cf_slot(cmd_abo, slot, size); + break; + case ERT_START_NPU: + ret = EXEC_MSG_OPS(xdna)->fill_dpu_slot(cmd_abo, slot, size); + break; + case ERT_START_NPU_PREEMPT: + if (!AIE2_FEATURE_ON(xdna->dev_handle, AIE2_PREEMPT)) + return -EOPNOTSUPP; + ret = EXEC_MSG_OPS(xdna)->fill_preempt_slot(cmd_abo, slot, size); + break; + case ERT_START_NPU_PREEMPT_ELF: + if (!AIE2_FEATURE_ON(xdna->dev_handle, AIE2_PREEMPT)) + return -EOPNOTSUPP; + ret = EXEC_MSG_OPS(xdna)->fill_elf_slot(cmd_abo, slot, size); + break; + default: + XDNA_INFO(xdna, "Unsupported op %d", op); + ret = -EOPNOTSUPP; + break; + } + + return ret; +} + +void aie2_msg_init(struct amdxdna_dev_hdl *ndev) +{ + if (AIE2_FEATURE_ON(ndev, AIE2_NPU_COMMAND)) + ndev->exec_msg_ops = &npu_exec_message_ops; + else + ndev->exec_msg_ops = &legacy_exec_message_ops; +} + +static inline struct amdxdna_gem_obj * +aie2_cmdlist_get_cmd_buf(struct amdxdna_sched_job *job) +{ + int idx = get_job_idx(job->seq); + + return job->hwctx->priv->cmd_buf[idx]; +} + +int aie2_execbuf(struct amdxdna_hwctx *hwctx, struct amdxdna_sched_job *job, + int (*notify_cb)(void *, void __iomem *, size_t)) +{ + struct mailbox_channel *chann = hwctx->priv->mbox_chann; + struct amdxdna_dev *xdna = hwctx->client->xdna; + struct amdxdna_gem_obj *cmd_abo = job->cmd_bo; + struct xdna_mailbox_msg msg; + union exec_req req; + int ret; + + if (!chann) + return -ENODEV; + + ret = aie2_init_exec_req(&req, cmd_abo, &msg.send_size, &msg.opcode); + if (ret) + return ret; + + msg.handle = job; + msg.notify_cb = notify_cb; + msg.send_data = (u8 *)&req; + print_hex_dump_debug("cmd: ", DUMP_PREFIX_OFFSET, 16, 4, &req, + 0x40, false); + + ret = xdna_mailbox_send_msg(chann, &msg, TX_TIMEOUT); + if (ret) { + XDNA_ERR(xdna, "Send message failed"); + return ret; + } + + return 0; +} + +int aie2_cmdlist_multi_execbuf(struct amdxdna_hwctx *hwctx, + struct amdxdna_sched_job *job, + int (*notify_cb)(void *, void __iomem *, size_t)) +{ + struct amdxdna_gem_obj *cmdbuf_abo = aie2_cmdlist_get_cmd_buf(job); + struct mailbox_channel *chann = hwctx->priv->mbox_chann; + struct amdxdna_client *client = hwctx->client; + struct amdxdna_gem_obj *cmd_abo = job->cmd_bo; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_cmd_chain *payload; + struct xdna_mailbox_msg msg; + union exec_chain_req req; + u32 payload_len; + u32 offset = 0; + size_t size; + int ret; + u32 op; + u32 i; + + op = amdxdna_cmd_get_op(cmd_abo); + payload = amdxdna_cmd_get_payload(cmd_abo, &payload_len); + if (op != ERT_CMD_CHAIN || !payload || + payload_len < struct_size(payload, data, payload->command_count)) + return -EINVAL; + + op = ERT_INVALID_CMD; + for (i = 0; i < payload->command_count; i++) { + u32 boh = (u32)(payload->data[i]); + struct amdxdna_gem_obj *abo; + + abo = amdxdna_gem_get_obj(client, boh, AMDXDNA_BO_CMD); + if (!abo) { + XDNA_ERR(xdna, "Failed to find cmd BO %d", boh); + return -ENOENT; + } + + size = cmdbuf_abo->mem.size - offset; + ret = aie2_cmdlist_fill_slot(cmdbuf_abo->mem.kva + offset, + abo, &size, &op); + amdxdna_gem_put_obj(abo); + if (ret) + return ret; + + offset += size; + } + msg.opcode = EXEC_MSG_OPS(xdna)->get_chain_msg_op(op); + if (msg.opcode == MSG_OP_MAX_OPCODE) + return -EOPNOTSUPP; + + /* The offset is the accumulated total size of the cmd buffer */ + EXEC_MSG_OPS(xdna)->init_chain_req(&req, cmdbuf_abo->mem.dev_addr, + offset, payload->command_count); + drm_clflush_virt_range(cmdbuf_abo->mem.kva, offset); + + msg.handle = job; + msg.notify_cb = notify_cb; + msg.send_data = (u8 *)&req; + msg.send_size = sizeof(req); + ret = xdna_mailbox_send_msg(chann, &msg, TX_TIMEOUT); + if (ret) { + XDNA_ERR(xdna, "Send message failed"); + return ret; + } + + return 0; +} + +int aie2_cmdlist_single_execbuf(struct amdxdna_hwctx *hwctx, + struct amdxdna_sched_job *job, + int (*notify_cb)(void *, void __iomem *, size_t)) +{ + struct amdxdna_gem_obj *cmdbuf_abo = aie2_cmdlist_get_cmd_buf(job); + struct mailbox_channel *chann = hwctx->priv->mbox_chann; + struct amdxdna_dev *xdna = hwctx->client->xdna; + struct amdxdna_gem_obj *cmd_abo = job->cmd_bo; + struct xdna_mailbox_msg msg; + union exec_chain_req req; + u32 op = ERT_INVALID_CMD; + size_t size; + int ret; + + size = cmdbuf_abo->mem.size; + ret = aie2_cmdlist_fill_slot(cmdbuf_abo->mem.kva, cmd_abo, &size, &op); + if (ret) + return ret; + + msg.opcode = EXEC_MSG_OPS(xdna)->get_chain_msg_op(op); + if (msg.opcode == MSG_OP_MAX_OPCODE) + return -EOPNOTSUPP; + + EXEC_MSG_OPS(xdna)->init_chain_req(&req, cmdbuf_abo->mem.dev_addr, + size, 1); + drm_clflush_virt_range(cmdbuf_abo->mem.kva, size); + + msg.handle = job; + msg.notify_cb = notify_cb; + msg.send_data = (u8 *)&req; + msg.send_size = sizeof(req); + ret = xdna_mailbox_send_msg(chann, &msg, TX_TIMEOUT); + if (ret) { + XDNA_ERR(hwctx->client->xdna, "Send message failed"); + return ret; + } + + return 0; +} + +int aie2_sync_bo(struct amdxdna_hwctx *hwctx, struct amdxdna_sched_job *job, + int (*notify_cb)(void *, void __iomem *, size_t)) +{ + struct mailbox_channel *chann = hwctx->priv->mbox_chann; + struct amdxdna_gem_obj *abo = to_xdna_obj(job->bos[0]); + struct amdxdna_dev *xdna = hwctx->client->xdna; + struct xdna_mailbox_msg msg; + struct sync_bo_req req; + int ret = 0; + + req.src_addr = 0; + req.dst_addr = amdxdna_dev_bo_offset(abo); + req.size = abo->mem.size; + + /* Device to Host */ + req.type = FIELD_PREP(AIE2_MSG_SYNC_BO_SRC_TYPE, SYNC_BO_DEV_MEM) | + FIELD_PREP(AIE2_MSG_SYNC_BO_DST_TYPE, SYNC_BO_HOST_MEM); + + XDNA_DBG(xdna, "sync %d bytes src(0x%llx) to dst(0x%llx) completed", + req.size, req.src_addr, req.dst_addr); + + msg.handle = job; + msg.notify_cb = notify_cb; + msg.send_data = (u8 *)&req; + msg.send_size = sizeof(req); + msg.opcode = MSG_OP_SYNC_BO; + + ret = xdna_mailbox_send_msg(chann, &msg, TX_TIMEOUT); + if (ret) { + XDNA_ERR(xdna, "Send message failed"); + return ret; + } + + return 0; +} + +int aie2_config_debug_bo(struct amdxdna_hwctx *hwctx, struct amdxdna_sched_job *job, + int (*notify_cb)(void *, void __iomem *, size_t)) +{ + struct mailbox_channel *chann = hwctx->priv->mbox_chann; + struct amdxdna_gem_obj *abo = to_xdna_obj(job->bos[0]); + struct amdxdna_dev *xdna = hwctx->client->xdna; + struct config_debug_bo_req req; + struct xdna_mailbox_msg msg; + + if (job->drv_cmd->opcode == ATTACH_DEBUG_BO) + req.config = DEBUG_BO_REGISTER; + else + req.config = DEBUG_BO_UNREGISTER; + + req.offset = amdxdna_dev_bo_offset(abo); + req.size = abo->mem.size; + + XDNA_DBG(xdna, "offset 0x%llx size 0x%llx config %d", + req.offset, req.size, req.config); + + msg.handle = job; + msg.notify_cb = notify_cb; + msg.send_data = (u8 *)&req; + msg.send_size = sizeof(req); + msg.opcode = MSG_OP_CONFIG_DEBUG_BO; + + return xdna_mailbox_send_msg(chann, &msg, TX_TIMEOUT); +} |
