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path: root/drivers/accel/amdxdna/aie2_message.c
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Diffstat (limited to 'drivers/accel/amdxdna/aie2_message.c')
-rw-r--r--drivers/accel/amdxdna/aie2_message.c1074
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);
+}