diff options
| -rw-r--r-- | drivers/accel/amdxdna/aie2_message.c | 65 | ||||
| -rw-r--r-- | drivers/accel/amdxdna/aie2_pci.c | 222 | ||||
| -rw-r--r-- | drivers/accel/amdxdna/aie2_pci.h | 1 | ||||
| -rw-r--r-- | drivers/accel/amdxdna/amdxdna_pci_drv.c | 19 | ||||
| -rw-r--r-- | drivers/accel/amdxdna/amdxdna_pci_drv.h | 3 | ||||
| -rw-r--r-- | include/uapi/drm/amdxdna_accel.h | 166 |
6 files changed, 476 insertions, 0 deletions
diff --git a/drivers/accel/amdxdna/aie2_message.c b/drivers/accel/amdxdna/aie2_message.c index eb7e27045213..c01a1d957b56 100644 --- a/drivers/accel/amdxdna/aie2_message.c +++ b/drivers/accel/amdxdna/aie2_message.c @@ -308,6 +308,71 @@ int aie2_map_host_buf(struct amdxdna_dev_hdl *ndev, u32 context_id, u64 addr, u6 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; + struct amdxdna_hwctx *hwctx; + dma_addr_t dma_addr; + u32 aie_bitmap = 0; + u8 *buff_addr; + int next = 0; + int ret, idx; + + 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) { + idx = srcu_read_lock(&client->hwctx_srcu); + idr_for_each_entry_continue(&client->hwctx_idr, hwctx, next) + aie_bitmap |= amdxdna_hwctx_col_map(hwctx); + srcu_read_unlock(&client->hwctx_srcu, idx); + } + + *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; + } + + if (resp.status != AIE2_STATUS_SUCCESS) { + XDNA_ERR(xdna, "Query NPU status failed, status 0x%x", resp.status); + ret = -EINVAL; + 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_register_asyn_event_msg(struct amdxdna_dev_hdl *ndev, dma_addr_t addr, u32 size, void *handle, int (*cb)(void*, const u32 *, size_t)) { diff --git a/drivers/accel/amdxdna/aie2_pci.c b/drivers/accel/amdxdna/aie2_pci.c index 5467aabe7308..349ada697e48 100644 --- a/drivers/accel/amdxdna/aie2_pci.c +++ b/drivers/accel/amdxdna/aie2_pci.c @@ -5,6 +5,7 @@ #include <drm/amdxdna_accel.h> #include <drm/drm_device.h> +#include <drm/drm_drv.h> #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_managed.h> #include <drm/drm_print.h> @@ -525,11 +526,232 @@ static void aie2_fini(struct amdxdna_dev *xdna) pci_free_irq_vectors(pdev); } +static int aie2_get_aie_status(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_query_aie_status status; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_dev_hdl *ndev; + int ret; + + ndev = xdna->dev_handle; + if (copy_from_user(&status, u64_to_user_ptr(args->buffer), sizeof(status))) { + XDNA_ERR(xdna, "Failed to copy AIE request into kernel"); + return -EFAULT; + } + + if (ndev->metadata.cols * ndev->metadata.size < status.buffer_size) { + XDNA_ERR(xdna, "Invalid buffer size. Given Size: %u. Need Size: %u.", + status.buffer_size, ndev->metadata.cols * ndev->metadata.size); + return -EINVAL; + } + + ret = aie2_query_status(ndev, u64_to_user_ptr(status.buffer), + status.buffer_size, &status.cols_filled); + if (ret) { + XDNA_ERR(xdna, "Failed to get AIE status info. Ret: %d", ret); + return ret; + } + + if (copy_to_user(u64_to_user_ptr(args->buffer), &status, sizeof(status))) { + XDNA_ERR(xdna, "Failed to copy AIE request info to user space"); + return -EFAULT; + } + + return 0; +} + +static int aie2_get_aie_metadata(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_query_aie_metadata *meta; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_dev_hdl *ndev; + int ret = 0; + + ndev = xdna->dev_handle; + meta = kzalloc(sizeof(*meta), GFP_KERNEL); + if (!meta) + return -ENOMEM; + + meta->col_size = ndev->metadata.size; + meta->cols = ndev->metadata.cols; + meta->rows = ndev->metadata.rows; + + meta->version.major = ndev->metadata.version.major; + meta->version.minor = ndev->metadata.version.minor; + + meta->core.row_count = ndev->metadata.core.row_count; + meta->core.row_start = ndev->metadata.core.row_start; + meta->core.dma_channel_count = ndev->metadata.core.dma_channel_count; + meta->core.lock_count = ndev->metadata.core.lock_count; + meta->core.event_reg_count = ndev->metadata.core.event_reg_count; + + meta->mem.row_count = ndev->metadata.mem.row_count; + meta->mem.row_start = ndev->metadata.mem.row_start; + meta->mem.dma_channel_count = ndev->metadata.mem.dma_channel_count; + meta->mem.lock_count = ndev->metadata.mem.lock_count; + meta->mem.event_reg_count = ndev->metadata.mem.event_reg_count; + + meta->shim.row_count = ndev->metadata.shim.row_count; + meta->shim.row_start = ndev->metadata.shim.row_start; + meta->shim.dma_channel_count = ndev->metadata.shim.dma_channel_count; + meta->shim.lock_count = ndev->metadata.shim.lock_count; + meta->shim.event_reg_count = ndev->metadata.shim.event_reg_count; + + if (copy_to_user(u64_to_user_ptr(args->buffer), meta, sizeof(*meta))) + ret = -EFAULT; + + kfree(meta); + return ret; +} + +static int aie2_get_aie_version(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_query_aie_version version; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_dev_hdl *ndev; + + ndev = xdna->dev_handle; + version.major = ndev->version.major; + version.minor = ndev->version.minor; + + if (copy_to_user(u64_to_user_ptr(args->buffer), &version, sizeof(version))) + return -EFAULT; + + return 0; +} + +static int aie2_get_clock_metadata(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_query_clock_metadata *clock; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_dev_hdl *ndev; + int ret = 0; + + ndev = xdna->dev_handle; + clock = kzalloc(sizeof(*clock), GFP_KERNEL); + if (!clock) + return -ENOMEM; + + memcpy(clock->mp_npu_clock.name, ndev->mp_npu_clock.name, + sizeof(clock->mp_npu_clock.name)); + clock->mp_npu_clock.freq_mhz = ndev->mp_npu_clock.freq_mhz; + memcpy(clock->h_clock.name, ndev->h_clock.name, sizeof(clock->h_clock.name)); + clock->h_clock.freq_mhz = ndev->h_clock.freq_mhz; + + if (copy_to_user(u64_to_user_ptr(args->buffer), clock, sizeof(*clock))) + ret = -EFAULT; + + kfree(clock); + return ret; +} + +static int aie2_get_hwctx_status(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_query_hwctx __user *buf; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_drm_query_hwctx *tmp; + struct amdxdna_client *tmp_client; + struct amdxdna_hwctx *hwctx; + bool overflow = false; + u32 req_bytes = 0; + u32 hw_i = 0; + int ret = 0; + int next; + int idx; + + drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock)); + + tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + buf = u64_to_user_ptr(args->buffer); + list_for_each_entry(tmp_client, &xdna->client_list, node) { + idx = srcu_read_lock(&tmp_client->hwctx_srcu); + next = 0; + idr_for_each_entry_continue(&tmp_client->hwctx_idr, hwctx, next) { + req_bytes += sizeof(*tmp); + if (args->buffer_size < req_bytes) { + /* Continue iterating to get the required size */ + overflow = true; + continue; + } + + memset(tmp, 0, sizeof(*tmp)); + tmp->pid = tmp_client->pid; + tmp->context_id = hwctx->id; + tmp->start_col = hwctx->start_col; + tmp->num_col = hwctx->num_col; + tmp->command_submissions = hwctx->priv->seq; + tmp->command_completions = hwctx->priv->completed; + + if (copy_to_user(&buf[hw_i], tmp, sizeof(*tmp))) { + ret = -EFAULT; + srcu_read_unlock(&tmp_client->hwctx_srcu, idx); + goto out; + } + hw_i++; + } + srcu_read_unlock(&tmp_client->hwctx_srcu, idx); + } + + if (overflow) { + XDNA_ERR(xdna, "Invalid buffer size. Given: %u Need: %u.", + args->buffer_size, req_bytes); + ret = -EINVAL; + } + +out: + kfree(tmp); + args->buffer_size = req_bytes; + return ret; +} + +static int aie2_get_info(struct amdxdna_client *client, struct amdxdna_drm_get_info *args) +{ + struct amdxdna_dev *xdna = client->xdna; + int ret, idx; + + if (!drm_dev_enter(&xdna->ddev, &idx)) + return -ENODEV; + + switch (args->param) { + case DRM_AMDXDNA_QUERY_AIE_STATUS: + ret = aie2_get_aie_status(client, args); + break; + case DRM_AMDXDNA_QUERY_AIE_METADATA: + ret = aie2_get_aie_metadata(client, args); + break; + case DRM_AMDXDNA_QUERY_AIE_VERSION: + ret = aie2_get_aie_version(client, args); + break; + case DRM_AMDXDNA_QUERY_CLOCK_METADATA: + ret = aie2_get_clock_metadata(client, args); + break; + case DRM_AMDXDNA_QUERY_HW_CONTEXTS: + ret = aie2_get_hwctx_status(client, args); + break; + default: + XDNA_ERR(xdna, "Not supported request parameter %u", args->param); + ret = -EOPNOTSUPP; + } + XDNA_DBG(xdna, "Got param %d", args->param); + + drm_dev_exit(idx); + return ret; +} + const struct amdxdna_dev_ops aie2_ops = { .init = aie2_init, .fini = aie2_fini, .resume = aie2_hw_start, .suspend = aie2_hw_stop, + .get_aie_info = aie2_get_info, .hwctx_init = aie2_hwctx_init, .hwctx_fini = aie2_hwctx_fini, .hwctx_config = aie2_hwctx_config, diff --git a/drivers/accel/amdxdna/aie2_pci.h b/drivers/accel/amdxdna/aie2_pci.h index 4422dd6c985e..6a2686255c9c 100644 --- a/drivers/accel/amdxdna/aie2_pci.h +++ b/drivers/accel/amdxdna/aie2_pci.h @@ -231,6 +231,7 @@ int aie2_query_firmware_version(struct amdxdna_dev_hdl *ndev, int aie2_create_context(struct amdxdna_dev_hdl *ndev, struct amdxdna_hwctx *hwctx); int aie2_destroy_context(struct amdxdna_dev_hdl *ndev, struct amdxdna_hwctx *hwctx); int aie2_map_host_buf(struct amdxdna_dev_hdl *ndev, u32 context_id, u64 addr, u64 size); +int aie2_query_status(struct amdxdna_dev_hdl *ndev, char *buf, u32 size, u32 *cols_filled); int aie2_register_asyn_event_msg(struct amdxdna_dev_hdl *ndev, dma_addr_t addr, u32 size, void *handle, int (*cb)(void*, const u32 *, size_t)); int aie2_config_cu(struct amdxdna_hwctx *hwctx); diff --git a/drivers/accel/amdxdna/amdxdna_pci_drv.c b/drivers/accel/amdxdna/amdxdna_pci_drv.c index c4df674fdf50..02533732d4ca 100644 --- a/drivers/accel/amdxdna/amdxdna_pci_drv.c +++ b/drivers/accel/amdxdna/amdxdna_pci_drv.c @@ -143,6 +143,23 @@ static int amdxdna_flush(struct file *f, fl_owner_t id) return 0; } +static int amdxdna_drm_get_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) +{ + struct amdxdna_client *client = filp->driver_priv; + struct amdxdna_dev *xdna = to_xdna_dev(dev); + struct amdxdna_drm_get_info *args = data; + int ret; + + if (!xdna->dev_info->ops->get_aie_info) + return -EOPNOTSUPP; + + XDNA_DBG(xdna, "Request parameter %u", args->param); + mutex_lock(&xdna->dev_lock); + ret = xdna->dev_info->ops->get_aie_info(client, args); + mutex_unlock(&xdna->dev_lock); + return ret; +} + static const struct drm_ioctl_desc amdxdna_drm_ioctls[] = { /* Context */ DRM_IOCTL_DEF_DRV(AMDXDNA_CREATE_HWCTX, amdxdna_drm_create_hwctx_ioctl, 0), @@ -154,6 +171,8 @@ static const struct drm_ioctl_desc amdxdna_drm_ioctls[] = { DRM_IOCTL_DEF_DRV(AMDXDNA_SYNC_BO, amdxdna_drm_sync_bo_ioctl, 0), /* Execution */ DRM_IOCTL_DEF_DRV(AMDXDNA_EXEC_CMD, amdxdna_drm_submit_cmd_ioctl, 0), + /* AIE hardware */ + DRM_IOCTL_DEF_DRV(AMDXDNA_GET_INFO, amdxdna_drm_get_info_ioctl, 0), }; static const struct file_operations amdxdna_fops = { diff --git a/drivers/accel/amdxdna/amdxdna_pci_drv.h b/drivers/accel/amdxdna/amdxdna_pci_drv.h index 52c59249c8a0..c50d65a050ad 100644 --- a/drivers/accel/amdxdna/amdxdna_pci_drv.h +++ b/drivers/accel/amdxdna/amdxdna_pci_drv.h @@ -17,7 +17,9 @@ extern const struct drm_driver amdxdna_drm_drv; +struct amdxdna_client; struct amdxdna_dev; +struct amdxdna_drm_get_info; struct amdxdna_gem_obj; struct amdxdna_hwctx; struct amdxdna_sched_job; @@ -37,6 +39,7 @@ struct amdxdna_dev_ops { void (*hwctx_suspend)(struct amdxdna_hwctx *hwctx); void (*hwctx_resume)(struct amdxdna_hwctx *hwctx); int (*cmd_submit)(struct amdxdna_hwctx *hwctx, struct amdxdna_sched_job *job, u64 *seq); + int (*get_aie_info)(struct amdxdna_client *client, struct amdxdna_drm_get_info *args); }; /* diff --git a/include/uapi/drm/amdxdna_accel.h b/include/uapi/drm/amdxdna_accel.h index 3e88ed386fac..af12af8bd699 100644 --- a/include/uapi/drm/amdxdna_accel.h +++ b/include/uapi/drm/amdxdna_accel.h @@ -32,6 +32,7 @@ enum amdxdna_drm_ioctl_id { DRM_AMDXDNA_GET_BO_INFO, DRM_AMDXDNA_SYNC_BO, DRM_AMDXDNA_EXEC_CMD, + DRM_AMDXDNA_GET_INFO, }; /** @@ -235,6 +236,167 @@ struct amdxdna_drm_exec_cmd { __u64 seq; }; +/** + * struct amdxdna_drm_query_aie_status - Query the status of the AIE hardware + * @buffer: The user space buffer that will return the AIE status. + * @buffer_size: The size of the user space buffer. + * @cols_filled: A bitmap of AIE columns whose data has been returned in the buffer. + */ +struct amdxdna_drm_query_aie_status { + __u64 buffer; /* out */ + __u32 buffer_size; /* in */ + __u32 cols_filled; /* out */ +}; + +/** + * struct amdxdna_drm_query_aie_version - Query the version of the AIE hardware + * @major: The major version number. + * @minor: The minor version number. + */ +struct amdxdna_drm_query_aie_version { + __u32 major; /* out */ + __u32 minor; /* out */ +}; + +/** + * struct amdxdna_drm_query_aie_tile_metadata - Query the metadata of AIE tile (core, mem, shim) + * @row_count: The number of rows. + * @row_start: The starting row number. + * @dma_channel_count: The number of dma channels. + * @lock_count: The number of locks. + * @event_reg_count: The number of events. + * @pad: Structure padding. + */ +struct amdxdna_drm_query_aie_tile_metadata { + __u16 row_count; + __u16 row_start; + __u16 dma_channel_count; + __u16 lock_count; + __u16 event_reg_count; + __u16 pad[3]; +}; + +/** + * struct amdxdna_drm_query_aie_metadata - Query the metadata of the AIE hardware + * @col_size: The size of a column in bytes. + * @cols: The total number of columns. + * @rows: The total number of rows. + * @version: The version of the AIE hardware. + * @core: The metadata for all core tiles. + * @mem: The metadata for all mem tiles. + * @shim: The metadata for all shim tiles. + */ +struct amdxdna_drm_query_aie_metadata { + __u32 col_size; + __u16 cols; + __u16 rows; + struct amdxdna_drm_query_aie_version version; + struct amdxdna_drm_query_aie_tile_metadata core; + struct amdxdna_drm_query_aie_tile_metadata mem; + struct amdxdna_drm_query_aie_tile_metadata shim; +}; + +/** + * struct amdxdna_drm_query_clock - Metadata for a clock + * @name: The clock name. + * @freq_mhz: The clock frequency. + * @pad: Structure padding. + */ +struct amdxdna_drm_query_clock { + __u8 name[16]; + __u32 freq_mhz; + __u32 pad; +}; + +/** + * struct amdxdna_drm_query_clock_metadata - Query metadata for clocks + * @mp_npu_clock: The metadata for MP-NPU clock. + * @h_clock: The metadata for H clock. + */ +struct amdxdna_drm_query_clock_metadata { + struct amdxdna_drm_query_clock mp_npu_clock; + struct amdxdna_drm_query_clock h_clock; +}; + +enum amdxdna_sensor_type { + AMDXDNA_SENSOR_TYPE_POWER +}; + +/** + * struct amdxdna_drm_query_sensor - The data for single sensor. + * @label: The name for a sensor. + * @input: The current value of the sensor. + * @max: The maximum value possible for the sensor. + * @average: The average value of the sensor. + * @highest: The highest recorded sensor value for this driver load for the sensor. + * @status: The sensor status. + * @units: The sensor units. + * @unitm: Translates value member variables into the correct unit via (pow(10, unitm) * value). + * @type: The sensor type from enum amdxdna_sensor_type. + * @pad: Structure padding. + */ +struct amdxdna_drm_query_sensor { + __u8 label[64]; + __u32 input; + __u32 max; + __u32 average; + __u32 highest; + __u8 status[64]; + __u8 units[16]; + __s8 unitm; + __u8 type; + __u8 pad[6]; +}; + +/** + * struct amdxdna_drm_query_hwctx - The data for single context. + * @context_id: The ID for this context. + * @start_col: The starting column for the partition assigned to this context. + * @num_col: The number of columns in the partition assigned to this context. + * @pad: Structure padding. + * @pid: The Process ID of the process that created this context. + * @command_submissions: The number of commands submitted to this context. + * @command_completions: The number of commands completed by this context. + * @migrations: The number of times this context has been moved to a different partition. + * @preemptions: The number of times this context has been preempted by another context in the + * same partition. + * @errors: The errors for this context. + */ +struct amdxdna_drm_query_hwctx { + __u32 context_id; + __u32 start_col; + __u32 num_col; + __u32 pad; + __s64 pid; + __u64 command_submissions; + __u64 command_completions; + __u64 migrations; + __u64 preemptions; + __u64 errors; +}; + +enum amdxdna_drm_get_param { + DRM_AMDXDNA_QUERY_AIE_STATUS, + DRM_AMDXDNA_QUERY_AIE_METADATA, + DRM_AMDXDNA_QUERY_AIE_VERSION, + DRM_AMDXDNA_QUERY_CLOCK_METADATA, + DRM_AMDXDNA_QUERY_SENSORS, + DRM_AMDXDNA_QUERY_HW_CONTEXTS, + DRM_AMDXDNA_NUM_GET_PARAM, +}; + +/** + * struct amdxdna_drm_get_info - Get some information from the AIE hardware. + * @param: Value in enum amdxdna_drm_get_param. Specifies the structure passed in the buffer. + * @buffer_size: Size of the input buffer. Size needed/written by the kernel. + * @buffer: A structure specified by the param struct member. + */ +struct amdxdna_drm_get_info { + __u32 param; /* in */ + __u32 buffer_size; /* in/out */ + __u64 buffer; /* in/out */ +}; + #define DRM_IOCTL_AMDXDNA_CREATE_HWCTX \ DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_CREATE_HWCTX, \ struct amdxdna_drm_create_hwctx) @@ -263,6 +425,10 @@ struct amdxdna_drm_exec_cmd { DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_EXEC_CMD, \ struct amdxdna_drm_exec_cmd) +#define DRM_IOCTL_AMDXDNA_GET_INFO \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_GET_INFO, \ + struct amdxdna_drm_get_info) + #if defined(__cplusplus) } /* extern c end */ #endif |