diff options
Diffstat (limited to 'drivers/accel/amdxdna/aie2_pci.c')
| -rw-r--r-- | drivers/accel/amdxdna/aie2_pci.c | 1187 |
1 files changed, 1187 insertions, 0 deletions
diff --git a/drivers/accel/amdxdna/aie2_pci.c b/drivers/accel/amdxdna/aie2_pci.c new file mode 100644 index 000000000000..ceef1c502e9e --- /dev/null +++ b/drivers/accel/amdxdna/aie2_pci.c @@ -0,0 +1,1187 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2023-2024, Advanced Micro Devices, Inc. + */ + +#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> +#include <drm/gpu_scheduler.h> +#include <linux/cleanup.h> +#include <linux/errno.h> +#include <linux/firmware.h> +#include <linux/iommu.h> +#include <linux/iopoll.h> +#include <linux/pci.h> +#include <linux/xarray.h> + +#include "aie2_msg_priv.h" +#include "aie2_pci.h" +#include "aie2_solver.h" +#include "amdxdna_ctx.h" +#include "amdxdna_gem.h" +#include "amdxdna_mailbox.h" +#include "amdxdna_pci_drv.h" +#include "amdxdna_pm.h" + +static int aie2_max_col = XRS_MAX_COL; +module_param(aie2_max_col, uint, 0600); +MODULE_PARM_DESC(aie2_max_col, "Maximum column could be used"); + +/* + * The management mailbox channel is allocated by firmware. + * The related register and ring buffer information is on SRAM BAR. + * This struct is the register layout. + */ +#define MGMT_MBOX_MAGIC 0x55504e5f /* _NPU */ +struct mgmt_mbox_chann_info { + __u32 x2i_tail; + __u32 x2i_head; + __u32 x2i_buf; + __u32 x2i_buf_sz; + __u32 i2x_tail; + __u32 i2x_head; + __u32 i2x_buf; + __u32 i2x_buf_sz; + __u32 magic; + __u32 msi_id; + __u32 prot_major; + __u32 prot_minor; + __u32 rsvd[4]; +}; + +static int aie2_check_protocol(struct amdxdna_dev_hdl *ndev, u32 fw_major, u32 fw_minor) +{ + const struct aie2_fw_feature_tbl *feature; + struct amdxdna_dev *xdna = ndev->xdna; + + /* + * The driver supported mailbox behavior is defined by + * ndev->priv->protocol_major and protocol_minor. + * + * When protocol_major and fw_major are different, it means driver + * and firmware are incompatible. + */ + if (ndev->priv->protocol_major != fw_major) { + XDNA_ERR(xdna, "Incompatible firmware protocol major %d minor %d", + fw_major, fw_minor); + return -EINVAL; + } + + /* + * When protocol_minor is greater then fw_minor, that means driver + * relies on operation the installed firmware does not support. + */ + if (ndev->priv->protocol_minor > fw_minor) { + XDNA_ERR(xdna, "Firmware minor version smaller than supported"); + return -EINVAL; + } + + for (feature = ndev->priv->fw_feature_tbl; feature && feature->min_minor; + feature++) { + if (fw_minor < feature->min_minor) + continue; + if (feature->max_minor > 0 && fw_minor > feature->max_minor) + continue; + + set_bit(feature->feature, &ndev->feature_mask); + } + + return 0; +} + +static void aie2_dump_chann_info_debug(struct amdxdna_dev_hdl *ndev) +{ + struct amdxdna_dev *xdna = ndev->xdna; + + XDNA_DBG(xdna, "i2x tail 0x%x", ndev->mgmt_i2x.mb_tail_ptr_reg); + XDNA_DBG(xdna, "i2x head 0x%x", ndev->mgmt_i2x.mb_head_ptr_reg); + XDNA_DBG(xdna, "i2x ringbuf 0x%x", ndev->mgmt_i2x.rb_start_addr); + XDNA_DBG(xdna, "i2x rsize 0x%x", ndev->mgmt_i2x.rb_size); + XDNA_DBG(xdna, "x2i tail 0x%x", ndev->mgmt_x2i.mb_tail_ptr_reg); + XDNA_DBG(xdna, "x2i head 0x%x", ndev->mgmt_x2i.mb_head_ptr_reg); + XDNA_DBG(xdna, "x2i ringbuf 0x%x", ndev->mgmt_x2i.rb_start_addr); + XDNA_DBG(xdna, "x2i rsize 0x%x", ndev->mgmt_x2i.rb_size); + XDNA_DBG(xdna, "x2i chann index 0x%x", ndev->mgmt_chan_idx); + XDNA_DBG(xdna, "mailbox protocol major 0x%x", ndev->mgmt_prot_major); + XDNA_DBG(xdna, "mailbox protocol minor 0x%x", ndev->mgmt_prot_minor); +} + +static int aie2_get_mgmt_chann_info(struct amdxdna_dev_hdl *ndev) +{ + struct mgmt_mbox_chann_info info_regs; + struct xdna_mailbox_chann_res *i2x; + struct xdna_mailbox_chann_res *x2i; + u32 addr, off; + u32 *reg; + int ret; + int i; + + /* + * Once firmware is alive, it will write management channel + * information in SRAM BAR and write the address of that information + * at FW_ALIVE_OFF offset in SRMA BAR. + * + * Read a non-zero value from FW_ALIVE_OFF implies that firmware + * is alive. + */ + ret = readx_poll_timeout(readl, SRAM_GET_ADDR(ndev, FW_ALIVE_OFF), + addr, addr, AIE2_INTERVAL, AIE2_TIMEOUT); + if (ret || !addr) + return -ETIME; + + off = AIE2_SRAM_OFF(ndev, addr); + reg = (u32 *)&info_regs; + for (i = 0; i < sizeof(info_regs) / sizeof(u32); i++) + reg[i] = readl(ndev->sram_base + off + i * sizeof(u32)); + + if (info_regs.magic != MGMT_MBOX_MAGIC) { + XDNA_ERR(ndev->xdna, "Invalid mbox magic 0x%x", info_regs.magic); + ret = -EINVAL; + goto done; + } + + i2x = &ndev->mgmt_i2x; + x2i = &ndev->mgmt_x2i; + + i2x->mb_head_ptr_reg = AIE2_MBOX_OFF(ndev, info_regs.i2x_head); + i2x->mb_tail_ptr_reg = AIE2_MBOX_OFF(ndev, info_regs.i2x_tail); + i2x->rb_start_addr = AIE2_SRAM_OFF(ndev, info_regs.i2x_buf); + i2x->rb_size = info_regs.i2x_buf_sz; + + x2i->mb_head_ptr_reg = AIE2_MBOX_OFF(ndev, info_regs.x2i_head); + x2i->mb_tail_ptr_reg = AIE2_MBOX_OFF(ndev, info_regs.x2i_tail); + x2i->rb_start_addr = AIE2_SRAM_OFF(ndev, info_regs.x2i_buf); + x2i->rb_size = info_regs.x2i_buf_sz; + + ndev->mgmt_chan_idx = info_regs.msi_id; + ndev->mgmt_prot_major = info_regs.prot_major; + ndev->mgmt_prot_minor = info_regs.prot_minor; + + ret = aie2_check_protocol(ndev, ndev->mgmt_prot_major, ndev->mgmt_prot_minor); + +done: + aie2_dump_chann_info_debug(ndev); + + /* Must clear address at FW_ALIVE_OFF */ + writel(0, SRAM_GET_ADDR(ndev, FW_ALIVE_OFF)); + + return ret; +} + +int aie2_runtime_cfg(struct amdxdna_dev_hdl *ndev, + enum rt_config_category category, u32 *val) +{ + const struct rt_config *cfg; + u32 value; + int ret; + + for (cfg = ndev->priv->rt_config; cfg->type; cfg++) { + if (cfg->category != category) + continue; + + if (cfg->feature_mask && + bitmap_subset(&cfg->feature_mask, &ndev->feature_mask, AIE2_FEATURE_MAX)) + continue; + + value = val ? *val : cfg->value; + ret = aie2_set_runtime_cfg(ndev, cfg->type, value); + if (ret) { + XDNA_ERR(ndev->xdna, "Set type %d value %d failed", + cfg->type, value); + return ret; + } + } + + return 0; +} + +static int aie2_xdna_reset(struct amdxdna_dev_hdl *ndev) +{ + int ret; + + ret = aie2_suspend_fw(ndev); + if (ret) { + XDNA_ERR(ndev->xdna, "Suspend firmware failed"); + return ret; + } + + ret = aie2_resume_fw(ndev); + if (ret) { + XDNA_ERR(ndev->xdna, "Resume firmware failed"); + return ret; + } + + return 0; +} + +static int aie2_mgmt_fw_init(struct amdxdna_dev_hdl *ndev) +{ + int ret; + + ret = aie2_runtime_cfg(ndev, AIE2_RT_CFG_INIT, NULL); + if (ret) { + XDNA_ERR(ndev->xdna, "Runtime config failed"); + return ret; + } + + ret = aie2_assign_mgmt_pasid(ndev, 0); + if (ret) { + XDNA_ERR(ndev->xdna, "Can not assign PASID"); + return ret; + } + + ret = aie2_xdna_reset(ndev); + if (ret) { + XDNA_ERR(ndev->xdna, "Reset firmware failed"); + return ret; + } + + return 0; +} + +static int aie2_mgmt_fw_query(struct amdxdna_dev_hdl *ndev) +{ + int ret; + + ret = aie2_query_firmware_version(ndev, &ndev->xdna->fw_ver); + if (ret) { + XDNA_ERR(ndev->xdna, "query firmware version failed"); + return ret; + } + + ret = aie2_query_aie_version(ndev, &ndev->version); + if (ret) { + XDNA_ERR(ndev->xdna, "Query AIE version failed"); + return ret; + } + + ret = aie2_query_aie_metadata(ndev, &ndev->metadata); + if (ret) { + XDNA_ERR(ndev->xdna, "Query AIE metadata failed"); + return ret; + } + + ndev->total_col = min(aie2_max_col, ndev->metadata.cols); + + return 0; +} + +static void aie2_mgmt_fw_fini(struct amdxdna_dev_hdl *ndev) +{ + if (aie2_suspend_fw(ndev)) + XDNA_ERR(ndev->xdna, "Suspend_fw failed"); + XDNA_DBG(ndev->xdna, "Firmware suspended"); +} + +static int aie2_xrs_load(void *cb_arg, struct xrs_action_load *action) +{ + struct amdxdna_hwctx *hwctx = cb_arg; + struct amdxdna_dev *xdna; + int ret; + + xdna = hwctx->client->xdna; + + hwctx->start_col = action->part.start_col; + hwctx->num_col = action->part.ncols; + ret = aie2_create_context(xdna->dev_handle, hwctx); + if (ret) + XDNA_ERR(xdna, "create context failed, ret %d", ret); + + return ret; +} + +static int aie2_xrs_unload(void *cb_arg) +{ + struct amdxdna_hwctx *hwctx = cb_arg; + struct amdxdna_dev *xdna; + int ret; + + xdna = hwctx->client->xdna; + + ret = aie2_destroy_context(xdna->dev_handle, hwctx); + if (ret) + XDNA_ERR(xdna, "destroy context failed, ret %d", ret); + + return ret; +} + +static int aie2_xrs_set_dft_dpm_level(struct drm_device *ddev, u32 dpm_level) +{ + struct amdxdna_dev *xdna = to_xdna_dev(ddev); + struct amdxdna_dev_hdl *ndev; + + drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock)); + + ndev = xdna->dev_handle; + ndev->dft_dpm_level = dpm_level; + if (ndev->pw_mode != POWER_MODE_DEFAULT || ndev->dpm_level == dpm_level) + return 0; + + return ndev->priv->hw_ops.set_dpm(ndev, dpm_level); +} + +static struct xrs_action_ops aie2_xrs_actions = { + .load = aie2_xrs_load, + .unload = aie2_xrs_unload, + .set_dft_dpm_level = aie2_xrs_set_dft_dpm_level, +}; + +static void aie2_hw_stop(struct amdxdna_dev *xdna) +{ + struct pci_dev *pdev = to_pci_dev(xdna->ddev.dev); + struct amdxdna_dev_hdl *ndev = xdna->dev_handle; + + if (ndev->dev_status <= AIE2_DEV_INIT) { + XDNA_ERR(xdna, "device is already stopped"); + return; + } + + aie2_mgmt_fw_fini(ndev); + xdna_mailbox_stop_channel(ndev->mgmt_chann); + xdna_mailbox_destroy_channel(ndev->mgmt_chann); + ndev->mgmt_chann = NULL; + drmm_kfree(&xdna->ddev, ndev->mbox); + ndev->mbox = NULL; + aie2_psp_stop(ndev->psp_hdl); + aie2_smu_fini(ndev); + aie2_error_async_events_free(ndev); + pci_disable_device(pdev); + + ndev->dev_status = AIE2_DEV_INIT; +} + +static int aie2_hw_start(struct amdxdna_dev *xdna) +{ + struct pci_dev *pdev = to_pci_dev(xdna->ddev.dev); + struct amdxdna_dev_hdl *ndev = xdna->dev_handle; + struct xdna_mailbox_res mbox_res; + u32 xdna_mailbox_intr_reg; + int mgmt_mb_irq, ret; + + if (ndev->dev_status >= AIE2_DEV_START) { + XDNA_INFO(xdna, "device is already started"); + return 0; + } + + ret = pci_enable_device(pdev); + if (ret) { + XDNA_ERR(xdna, "failed to enable device, ret %d", ret); + return ret; + } + pci_set_master(pdev); + + ret = aie2_smu_init(ndev); + if (ret) { + XDNA_ERR(xdna, "failed to init smu, ret %d", ret); + goto disable_dev; + } + + ret = aie2_psp_start(ndev->psp_hdl); + if (ret) { + XDNA_ERR(xdna, "failed to start psp, ret %d", ret); + goto fini_smu; + } + + ret = aie2_get_mgmt_chann_info(ndev); + if (ret) { + XDNA_ERR(xdna, "firmware is not alive"); + goto stop_psp; + } + + mbox_res.ringbuf_base = ndev->sram_base; + mbox_res.ringbuf_size = pci_resource_len(pdev, xdna->dev_info->sram_bar); + mbox_res.mbox_base = ndev->mbox_base; + mbox_res.mbox_size = MBOX_SIZE(ndev); + mbox_res.name = "xdna_mailbox"; + ndev->mbox = xdnam_mailbox_create(&xdna->ddev, &mbox_res); + if (!ndev->mbox) { + XDNA_ERR(xdna, "failed to create mailbox device"); + ret = -ENODEV; + goto stop_psp; + } + + mgmt_mb_irq = pci_irq_vector(pdev, ndev->mgmt_chan_idx); + if (mgmt_mb_irq < 0) { + ret = mgmt_mb_irq; + XDNA_ERR(xdna, "failed to alloc irq vector, ret %d", ret); + goto stop_psp; + } + + xdna_mailbox_intr_reg = ndev->mgmt_i2x.mb_head_ptr_reg + 4; + ndev->mgmt_chann = xdna_mailbox_create_channel(ndev->mbox, + &ndev->mgmt_x2i, + &ndev->mgmt_i2x, + xdna_mailbox_intr_reg, + mgmt_mb_irq); + if (!ndev->mgmt_chann) { + XDNA_ERR(xdna, "failed to create management mailbox channel"); + ret = -EINVAL; + goto stop_psp; + } + + ret = aie2_pm_init(ndev); + if (ret) { + XDNA_ERR(xdna, "failed to init pm, ret %d", ret); + goto destroy_mgmt_chann; + } + + ret = aie2_mgmt_fw_init(ndev); + if (ret) { + XDNA_ERR(xdna, "initial mgmt firmware failed, ret %d", ret); + goto destroy_mgmt_chann; + } + + ret = aie2_mgmt_fw_query(ndev); + if (ret) { + XDNA_ERR(xdna, "failed to query fw, ret %d", ret); + goto destroy_mgmt_chann; + } + + ret = aie2_error_async_events_alloc(ndev); + if (ret) { + XDNA_ERR(xdna, "Allocate async events failed, ret %d", ret); + goto destroy_mgmt_chann; + } + + ndev->dev_status = AIE2_DEV_START; + + return 0; + +destroy_mgmt_chann: + xdna_mailbox_stop_channel(ndev->mgmt_chann); + xdna_mailbox_destroy_channel(ndev->mgmt_chann); +stop_psp: + aie2_psp_stop(ndev->psp_hdl); +fini_smu: + aie2_smu_fini(ndev); +disable_dev: + pci_disable_device(pdev); + + return ret; +} + +static int aie2_hw_suspend(struct amdxdna_dev *xdna) +{ + struct amdxdna_client *client; + + guard(mutex)(&xdna->dev_lock); + list_for_each_entry(client, &xdna->client_list, node) + aie2_hwctx_suspend(client); + + aie2_hw_stop(xdna); + + return 0; +} + +static int aie2_hw_resume(struct amdxdna_dev *xdna) +{ + struct amdxdna_client *client; + int ret; + + ret = aie2_hw_start(xdna); + if (ret) { + XDNA_ERR(xdna, "Start hardware failed, %d", ret); + return ret; + } + + list_for_each_entry(client, &xdna->client_list, node) { + ret = aie2_hwctx_resume(client); + if (ret) + break; + } + + return ret; +} + +static int aie2_init(struct amdxdna_dev *xdna) +{ + struct pci_dev *pdev = to_pci_dev(xdna->ddev.dev); + void __iomem *tbl[PCI_NUM_RESOURCES] = {0}; + struct init_config xrs_cfg = { 0 }; + struct amdxdna_dev_hdl *ndev; + struct psp_config psp_conf; + const struct firmware *fw; + unsigned long bars = 0; + int i, nvec, ret; + + ndev = drmm_kzalloc(&xdna->ddev, sizeof(*ndev), GFP_KERNEL); + if (!ndev) + return -ENOMEM; + + ndev->priv = xdna->dev_info->dev_priv; + ndev->xdna = xdna; + + ret = request_firmware(&fw, ndev->priv->fw_path, &pdev->dev); + if (ret) { + XDNA_ERR(xdna, "failed to request_firmware %s, ret %d", + ndev->priv->fw_path, ret); + return ret; + } + + ret = pcim_enable_device(pdev); + if (ret) { + XDNA_ERR(xdna, "pcim enable device failed, ret %d", ret); + goto release_fw; + } + + for (i = 0; i < PSP_MAX_REGS; i++) + set_bit(PSP_REG_BAR(ndev, i), &bars); + + set_bit(xdna->dev_info->sram_bar, &bars); + set_bit(xdna->dev_info->smu_bar, &bars); + set_bit(xdna->dev_info->mbox_bar, &bars); + + for (i = 0; i < PCI_NUM_RESOURCES; i++) { + if (!test_bit(i, &bars)) + continue; + tbl[i] = pcim_iomap(pdev, i, 0); + if (!tbl[i]) { + XDNA_ERR(xdna, "map bar %d failed", i); + ret = -ENOMEM; + goto release_fw; + } + } + + ndev->sram_base = tbl[xdna->dev_info->sram_bar]; + ndev->smu_base = tbl[xdna->dev_info->smu_bar]; + ndev->mbox_base = tbl[xdna->dev_info->mbox_bar]; + + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (ret) { + XDNA_ERR(xdna, "Failed to set DMA mask: %d", ret); + goto release_fw; + } + + nvec = pci_msix_vec_count(pdev); + if (nvec <= 0) { + XDNA_ERR(xdna, "does not get number of interrupt vector"); + ret = -EINVAL; + goto release_fw; + } + + ret = pci_alloc_irq_vectors(pdev, nvec, nvec, PCI_IRQ_MSIX); + if (ret < 0) { + XDNA_ERR(xdna, "failed to alloc irq vectors, ret %d", ret); + goto release_fw; + } + + psp_conf.fw_size = fw->size; + psp_conf.fw_buf = fw->data; + for (i = 0; i < PSP_MAX_REGS; i++) + psp_conf.psp_regs[i] = tbl[PSP_REG_BAR(ndev, i)] + PSP_REG_OFF(ndev, i); + ndev->psp_hdl = aie2m_psp_create(&xdna->ddev, &psp_conf); + if (!ndev->psp_hdl) { + XDNA_ERR(xdna, "failed to create psp"); + ret = -ENOMEM; + goto release_fw; + } + xdna->dev_handle = ndev; + + ret = aie2_hw_start(xdna); + if (ret) { + XDNA_ERR(xdna, "start npu failed, ret %d", ret); + goto release_fw; + } + + xrs_cfg.clk_list.num_levels = ndev->max_dpm_level + 1; + for (i = 0; i < xrs_cfg.clk_list.num_levels; i++) + xrs_cfg.clk_list.cu_clk_list[i] = ndev->priv->dpm_clk_tbl[i].hclk; + xrs_cfg.sys_eff_factor = 1; + xrs_cfg.ddev = &xdna->ddev; + xrs_cfg.actions = &aie2_xrs_actions; + xrs_cfg.total_col = ndev->total_col; + + xdna->xrs_hdl = xrsm_init(&xrs_cfg); + if (!xdna->xrs_hdl) { + XDNA_ERR(xdna, "Initialize resolver failed"); + ret = -EINVAL; + goto stop_hw; + } + + release_firmware(fw); + aie2_msg_init(ndev); + amdxdna_pm_init(xdna); + return 0; + +stop_hw: + aie2_hw_stop(xdna); +release_fw: + release_firmware(fw); + + return ret; +} + +static void aie2_fini(struct amdxdna_dev *xdna) +{ + amdxdna_pm_fini(xdna); + aie2_hw_stop(xdna); +} + +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_firmware_version(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_query_firmware_version version; + struct amdxdna_dev *xdna = client->xdna; + + version.major = xdna->fw_ver.major; + version.minor = xdna->fw_ver.minor; + version.patch = xdna->fw_ver.sub; + version.build = xdna->fw_ver.build; + + if (copy_to_user(u64_to_user_ptr(args->buffer), &version, sizeof(version))) + return -EFAULT; + + return 0; +} + +static int aie2_get_power_mode(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_get_power_mode mode = {}; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_dev_hdl *ndev; + + ndev = xdna->dev_handle; + mode.power_mode = ndev->pw_mode; + + if (copy_to_user(u64_to_user_ptr(args->buffer), &mode, sizeof(mode))) + 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; + + snprintf(clock->mp_npu_clock.name, sizeof(clock->mp_npu_clock.name), + "MP-NPU Clock"); + clock->mp_npu_clock.freq_mhz = ndev->npuclk_freq; + snprintf(clock->h_clock.name, sizeof(clock->h_clock.name), "H Clock"); + clock->h_clock.freq_mhz = ndev->hclk_freq; + + if (copy_to_user(u64_to_user_ptr(args->buffer), clock, sizeof(*clock))) + ret = -EFAULT; + + kfree(clock); + return ret; +} + +static int aie2_hwctx_status_cb(struct amdxdna_hwctx *hwctx, void *arg) +{ + struct amdxdna_drm_hwctx_entry *tmp __free(kfree) = NULL; + struct amdxdna_drm_get_array *array_args = arg; + struct amdxdna_drm_hwctx_entry __user *buf; + u32 size; + + if (!array_args->num_element) + return -EINVAL; + + tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + tmp->pid = hwctx->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; + tmp->pasid = hwctx->client->pasid; + tmp->priority = hwctx->qos.priority; + tmp->gops = hwctx->qos.gops; + tmp->fps = hwctx->qos.fps; + tmp->dma_bandwidth = hwctx->qos.dma_bandwidth; + tmp->latency = hwctx->qos.latency; + tmp->frame_exec_time = hwctx->qos.frame_exec_time; + tmp->state = AMDXDNA_HWCTX_STATE_ACTIVE; + + buf = u64_to_user_ptr(array_args->buffer); + size = min(sizeof(*tmp), array_args->element_size); + + if (copy_to_user(buf, tmp, size)) + return -EFAULT; + + array_args->buffer += size; + array_args->num_element--; + + return 0; +} + +static int aie2_get_hwctx_status(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_get_array array_args; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_client *tmp_client; + int ret; + + drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock)); + + array_args.element_size = sizeof(struct amdxdna_drm_query_hwctx); + array_args.buffer = args->buffer; + array_args.num_element = args->buffer_size / array_args.element_size; + list_for_each_entry(tmp_client, &xdna->client_list, node) { + ret = amdxdna_hwctx_walk(tmp_client, &array_args, + aie2_hwctx_status_cb); + if (ret) + break; + } + + args->buffer_size -= (u32)(array_args.buffer - args->buffer); + return 0; +} + +static int aie2_query_resource_info(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_get_resource_info res_info; + const struct amdxdna_dev_priv *priv; + struct amdxdna_dev_hdl *ndev; + struct amdxdna_dev *xdna; + + xdna = client->xdna; + ndev = xdna->dev_handle; + priv = ndev->priv; + + res_info.npu_clk_max = priv->dpm_clk_tbl[ndev->max_dpm_level].hclk; + res_info.npu_tops_max = ndev->max_tops; + res_info.npu_task_max = priv->hwctx_limit; + res_info.npu_tops_curr = ndev->curr_tops; + res_info.npu_task_curr = ndev->hwctx_num; + + if (copy_to_user(u64_to_user_ptr(args->buffer), &res_info, sizeof(res_info))) + return -EFAULT; + + return 0; +} + +static int aie2_fill_hwctx_map(struct amdxdna_hwctx *hwctx, void *arg) +{ + struct amdxdna_dev *xdna = hwctx->client->xdna; + u32 *map = arg; + + if (hwctx->fw_ctx_id >= xdna->dev_handle->priv->hwctx_limit) { + XDNA_ERR(xdna, "Invalid fw ctx id %d/%d ", hwctx->fw_ctx_id, + xdna->dev_handle->priv->hwctx_limit); + return -EINVAL; + } + + map[hwctx->fw_ctx_id] = hwctx->id; + return 0; +} + +static int aie2_get_telemetry(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_query_telemetry_header *header __free(kfree) = NULL; + u32 telemetry_data_sz, header_sz, elem_num; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_client *tmp_client; + int ret; + + elem_num = xdna->dev_handle->priv->hwctx_limit; + header_sz = struct_size(header, map, elem_num); + if (args->buffer_size <= header_sz) { + XDNA_ERR(xdna, "Invalid buffer size"); + return -EINVAL; + } + + telemetry_data_sz = args->buffer_size - header_sz; + if (telemetry_data_sz > SZ_4M) { + XDNA_ERR(xdna, "Buffer size is too big, %d", telemetry_data_sz); + return -EINVAL; + } + + header = kzalloc(header_sz, GFP_KERNEL); + if (!header) + return -ENOMEM; + + if (copy_from_user(header, u64_to_user_ptr(args->buffer), sizeof(*header))) { + XDNA_ERR(xdna, "Failed to copy telemetry header from user"); + return -EFAULT; + } + + header->map_num_elements = elem_num; + list_for_each_entry(tmp_client, &xdna->client_list, node) { + ret = amdxdna_hwctx_walk(tmp_client, &header->map, + aie2_fill_hwctx_map); + if (ret) + return ret; + } + + ret = aie2_query_telemetry(xdna->dev_handle, + u64_to_user_ptr(args->buffer + header_sz), + telemetry_data_sz, header); + if (ret) { + XDNA_ERR(xdna, "Query telemetry failed ret %d", ret); + return ret; + } + + if (copy_to_user(u64_to_user_ptr(args->buffer), header, header_sz)) { + XDNA_ERR(xdna, "Copy header failed"); + return -EFAULT; + } + + return 0; +} + +static int aie2_get_preempt_state(struct amdxdna_client *client, + struct amdxdna_drm_get_info *args) +{ + struct amdxdna_drm_attribute_state state = {}; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_dev_hdl *ndev; + + ndev = xdna->dev_handle; + if (args->param == DRM_AMDXDNA_GET_FORCE_PREEMPT_STATE) + state.state = ndev->force_preempt_enabled; + else if (args->param == DRM_AMDXDNA_GET_FRAME_BOUNDARY_PREEMPT_STATE) + state.state = ndev->frame_boundary_preempt; + + if (copy_to_user(u64_to_user_ptr(args->buffer), &state, sizeof(state))) + return -EFAULT; + + return 0; +} + +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; + + ret = amdxdna_pm_resume_get(xdna); + if (ret) + goto dev_exit; + + 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; + case DRM_AMDXDNA_QUERY_FIRMWARE_VERSION: + ret = aie2_get_firmware_version(client, args); + break; + case DRM_AMDXDNA_GET_POWER_MODE: + ret = aie2_get_power_mode(client, args); + break; + case DRM_AMDXDNA_QUERY_TELEMETRY: + ret = aie2_get_telemetry(client, args); + break; + case DRM_AMDXDNA_QUERY_RESOURCE_INFO: + ret = aie2_query_resource_info(client, args); + break; + case DRM_AMDXDNA_GET_FORCE_PREEMPT_STATE: + case DRM_AMDXDNA_GET_FRAME_BOUNDARY_PREEMPT_STATE: + ret = aie2_get_preempt_state(client, args); + break; + default: + XDNA_ERR(xdna, "Not supported request parameter %u", args->param); + ret = -EOPNOTSUPP; + } + + amdxdna_pm_suspend_put(xdna); + XDNA_DBG(xdna, "Got param %d", args->param); + +dev_exit: + drm_dev_exit(idx); + return ret; +} + +static int aie2_query_ctx_status_array(struct amdxdna_client *client, + struct amdxdna_drm_get_array *args) +{ + struct amdxdna_drm_get_array array_args; + struct amdxdna_dev *xdna = client->xdna; + struct amdxdna_client *tmp_client; + int ret; + + drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock)); + + if (args->element_size > SZ_4K || args->num_element > SZ_1K) { + XDNA_DBG(xdna, "Invalid element size %d or number of element %d", + args->element_size, args->num_element); + return -EINVAL; + } + + array_args.element_size = min(args->element_size, + sizeof(struct amdxdna_drm_hwctx_entry)); + array_args.buffer = args->buffer; + array_args.num_element = args->num_element * args->element_size / + array_args.element_size; + list_for_each_entry(tmp_client, &xdna->client_list, node) { + ret = amdxdna_hwctx_walk(tmp_client, &array_args, + aie2_hwctx_status_cb); + if (ret) + break; + } + + args->element_size = array_args.element_size; + args->num_element = (u32)((array_args.buffer - args->buffer) / + args->element_size); + + return 0; +} + +static int aie2_get_array(struct amdxdna_client *client, + struct amdxdna_drm_get_array *args) +{ + struct amdxdna_dev *xdna = client->xdna; + int ret, idx; + + if (!drm_dev_enter(&xdna->ddev, &idx)) + return -ENODEV; + + ret = amdxdna_pm_resume_get(xdna); + if (ret) + goto dev_exit; + + switch (args->param) { + case DRM_AMDXDNA_HW_CONTEXT_ALL: + ret = aie2_query_ctx_status_array(client, args); + break; + case DRM_AMDXDNA_HW_LAST_ASYNC_ERR: + ret = aie2_get_array_async_error(xdna->dev_handle, args); + break; + default: + XDNA_ERR(xdna, "Not supported request parameter %u", args->param); + ret = -EOPNOTSUPP; + } + + amdxdna_pm_suspend_put(xdna); + XDNA_DBG(xdna, "Got param %d", args->param); + +dev_exit: + drm_dev_exit(idx); + return ret; +} + +static int aie2_set_power_mode(struct amdxdna_client *client, + struct amdxdna_drm_set_state *args) +{ + struct amdxdna_drm_set_power_mode power_state; + enum amdxdna_power_mode_type power_mode; + struct amdxdna_dev *xdna = client->xdna; + + if (copy_from_user(&power_state, u64_to_user_ptr(args->buffer), + sizeof(power_state))) { + XDNA_ERR(xdna, "Failed to copy power mode request into kernel"); + return -EFAULT; + } + + if (XDNA_MBZ_DBG(xdna, power_state.pad, sizeof(power_state.pad))) + return -EINVAL; + + power_mode = power_state.power_mode; + if (power_mode > POWER_MODE_TURBO) { + XDNA_ERR(xdna, "Invalid power mode %d", power_mode); + return -EINVAL; + } + + return aie2_pm_set_mode(xdna->dev_handle, power_mode); +} + +static int aie2_set_preempt_state(struct amdxdna_client *client, + struct amdxdna_drm_set_state *args) +{ + struct amdxdna_dev_hdl *ndev = client->xdna->dev_handle; + struct amdxdna_drm_attribute_state state; + u32 val; + int ret; + + if (copy_from_user(&state, u64_to_user_ptr(args->buffer), sizeof(state))) + return -EFAULT; + + if (state.state > 1) + return -EINVAL; + + if (XDNA_MBZ_DBG(client->xdna, state.pad, sizeof(state.pad))) + return -EINVAL; + + if (args->param == DRM_AMDXDNA_SET_FORCE_PREEMPT) { + ndev->force_preempt_enabled = state.state; + } else if (args->param == DRM_AMDXDNA_SET_FRAME_BOUNDARY_PREEMPT) { + val = state.state; + ret = aie2_runtime_cfg(ndev, AIE2_RT_CFG_FRAME_BOUNDARY_PREEMPT, + &val); + if (ret) + return ret; + + ndev->frame_boundary_preempt = state.state; + } + + return 0; +} + +static int aie2_set_state(struct amdxdna_client *client, + struct amdxdna_drm_set_state *args) +{ + struct amdxdna_dev *xdna = client->xdna; + int ret, idx; + + if (!drm_dev_enter(&xdna->ddev, &idx)) + return -ENODEV; + + ret = amdxdna_pm_resume_get(xdna); + if (ret) + goto dev_exit; + + switch (args->param) { + case DRM_AMDXDNA_SET_POWER_MODE: + ret = aie2_set_power_mode(client, args); + break; + case DRM_AMDXDNA_SET_FORCE_PREEMPT: + case DRM_AMDXDNA_SET_FRAME_BOUNDARY_PREEMPT: + ret = aie2_set_preempt_state(client, args); + break; + default: + XDNA_ERR(xdna, "Not supported request parameter %u", args->param); + ret = -EOPNOTSUPP; + break; + } + + amdxdna_pm_suspend_put(xdna); +dev_exit: + drm_dev_exit(idx); + return ret; +} + +const struct amdxdna_dev_ops aie2_ops = { + .init = aie2_init, + .fini = aie2_fini, + .resume = aie2_hw_resume, + .suspend = aie2_hw_suspend, + .get_aie_info = aie2_get_info, + .set_aie_state = aie2_set_state, + .hwctx_init = aie2_hwctx_init, + .hwctx_fini = aie2_hwctx_fini, + .hwctx_config = aie2_hwctx_config, + .hwctx_sync_debug_bo = aie2_hwctx_sync_debug_bo, + .cmd_submit = aie2_cmd_submit, + .hmm_invalidate = aie2_hmm_invalidate, + .get_array = aie2_get_array, +}; |
