diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/habanalabs_ioctl.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs_ioctl.c | 1190 |
1 files changed, 0 insertions, 1190 deletions
diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c deleted file mode 100644 index 079483421e12..000000000000 --- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c +++ /dev/null @@ -1,1190 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -/* - * Copyright 2016-2022 HabanaLabs, Ltd. - * All Rights Reserved. - */ - -#define pr_fmt(fmt) "habanalabs: " fmt - -#include <uapi/drm/habanalabs_accel.h> -#include "habanalabs.h" - -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/uaccess.h> -#include <linux/vmalloc.h> - -static u32 hl_debug_struct_size[HL_DEBUG_OP_TIMESTAMP + 1] = { - [HL_DEBUG_OP_ETR] = sizeof(struct hl_debug_params_etr), - [HL_DEBUG_OP_ETF] = sizeof(struct hl_debug_params_etf), - [HL_DEBUG_OP_STM] = sizeof(struct hl_debug_params_stm), - [HL_DEBUG_OP_FUNNEL] = 0, - [HL_DEBUG_OP_BMON] = sizeof(struct hl_debug_params_bmon), - [HL_DEBUG_OP_SPMU] = sizeof(struct hl_debug_params_spmu), - [HL_DEBUG_OP_TIMESTAMP] = 0 - -}; - -static int device_status_info(struct hl_device *hdev, struct hl_info_args *args) -{ - struct hl_info_device_status dev_stat = {0}; - u32 size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!size) || (!out)) - return -EINVAL; - - dev_stat.status = hl_device_status(hdev); - - return copy_to_user(out, &dev_stat, - min((size_t)size, sizeof(dev_stat))) ? -EFAULT : 0; -} - -static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args) -{ - struct hl_info_hw_ip_info hw_ip = {0}; - u32 size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - struct asic_fixed_properties *prop = &hdev->asic_prop; - u64 sram_kmd_size, dram_kmd_size, dram_available_size; - - if ((!size) || (!out)) - return -EINVAL; - - sram_kmd_size = (prop->sram_user_base_address - - prop->sram_base_address); - dram_kmd_size = (prop->dram_user_base_address - - prop->dram_base_address); - - hw_ip.device_id = hdev->asic_funcs->get_pci_id(hdev); - hw_ip.sram_base_address = prop->sram_user_base_address; - hw_ip.dram_base_address = - hdev->mmu_enable && prop->dram_supports_virtual_memory ? - prop->dmmu.start_addr : prop->dram_user_base_address; - hw_ip.tpc_enabled_mask = prop->tpc_enabled_mask & 0xFF; - hw_ip.tpc_enabled_mask_ext = prop->tpc_enabled_mask; - - hw_ip.sram_size = prop->sram_size - sram_kmd_size; - - dram_available_size = prop->dram_size - dram_kmd_size; - - if (hdev->mmu_enable == MMU_EN_ALL) - hw_ip.dram_size = DIV_ROUND_DOWN_ULL(dram_available_size, - prop->dram_page_size) * prop->dram_page_size; - else - hw_ip.dram_size = dram_available_size; - - if (hw_ip.dram_size > PAGE_SIZE) - hw_ip.dram_enabled = 1; - - hw_ip.dram_page_size = prop->dram_page_size; - hw_ip.device_mem_alloc_default_page_size = prop->device_mem_alloc_default_page_size; - hw_ip.num_of_events = prop->num_of_events; - - memcpy(hw_ip.cpucp_version, prop->cpucp_info.cpucp_version, - min(VERSION_MAX_LEN, HL_INFO_VERSION_MAX_LEN)); - - memcpy(hw_ip.card_name, prop->cpucp_info.card_name, - min(CARD_NAME_MAX_LEN, HL_INFO_CARD_NAME_MAX_LEN)); - - hw_ip.cpld_version = le32_to_cpu(prop->cpucp_info.cpld_version); - hw_ip.module_id = le32_to_cpu(prop->cpucp_info.card_location); - - hw_ip.psoc_pci_pll_nr = prop->psoc_pci_pll_nr; - hw_ip.psoc_pci_pll_nf = prop->psoc_pci_pll_nf; - hw_ip.psoc_pci_pll_od = prop->psoc_pci_pll_od; - hw_ip.psoc_pci_pll_div_factor = prop->psoc_pci_pll_div_factor; - - hw_ip.decoder_enabled_mask = prop->decoder_enabled_mask; - hw_ip.mme_master_slave_mode = prop->mme_master_slave_mode; - hw_ip.first_available_interrupt_id = prop->first_available_user_interrupt; - hw_ip.number_of_user_interrupts = prop->user_interrupt_count; - - hw_ip.edma_enabled_mask = prop->edma_enabled_mask; - hw_ip.server_type = prop->server_type; - hw_ip.security_enabled = prop->fw_security_enabled; - hw_ip.revision_id = hdev->pdev->revision; - - return copy_to_user(out, &hw_ip, - min((size_t) size, sizeof(hw_ip))) ? -EFAULT : 0; -} - -static int hw_events_info(struct hl_device *hdev, bool aggregate, - struct hl_info_args *args) -{ - u32 size, max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - void *arr; - - if ((!max_size) || (!out)) - return -EINVAL; - - arr = hdev->asic_funcs->get_events_stat(hdev, aggregate, &size); - if (!arr) { - dev_err(hdev->dev, "Events info not supported\n"); - return -EOPNOTSUPP; - } - - return copy_to_user(out, arr, min(max_size, size)) ? -EFAULT : 0; -} - -static int events_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - u32 max_size = args->return_size; - u64 events_mask; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((max_size < sizeof(u64)) || (!out)) - return -EINVAL; - - mutex_lock(&hpriv->notifier_event.lock); - events_mask = hpriv->notifier_event.events_mask; - hpriv->notifier_event.events_mask = 0; - mutex_unlock(&hpriv->notifier_event.lock); - - return copy_to_user(out, &events_mask, sizeof(u64)) ? -EFAULT : 0; -} - -static int dram_usage_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - struct hl_info_dram_usage dram_usage = {0}; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - struct asic_fixed_properties *prop = &hdev->asic_prop; - u64 dram_kmd_size; - - if ((!max_size) || (!out)) - return -EINVAL; - - dram_kmd_size = (prop->dram_user_base_address - - prop->dram_base_address); - dram_usage.dram_free_mem = (prop->dram_size - dram_kmd_size) - - atomic64_read(&hdev->dram_used_mem); - if (hpriv->ctx) - dram_usage.ctx_dram_mem = - atomic64_read(&hpriv->ctx->dram_phys_mem); - - return copy_to_user(out, &dram_usage, - min((size_t) max_size, sizeof(dram_usage))) ? -EFAULT : 0; -} - -static int hw_idle(struct hl_device *hdev, struct hl_info_args *args) -{ - struct hl_info_hw_idle hw_idle = {0}; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!max_size) || (!out)) - return -EINVAL; - - hw_idle.is_idle = hdev->asic_funcs->is_device_idle(hdev, - hw_idle.busy_engines_mask_ext, - HL_BUSY_ENGINES_MASK_EXT_SIZE, NULL); - hw_idle.busy_engines_mask = - lower_32_bits(hw_idle.busy_engines_mask_ext[0]); - - return copy_to_user(out, &hw_idle, - min((size_t) max_size, sizeof(hw_idle))) ? -EFAULT : 0; -} - -static int debug_coresight(struct hl_device *hdev, struct hl_ctx *ctx, struct hl_debug_args *args) -{ - struct hl_debug_params *params; - void *input = NULL, *output = NULL; - int rc; - - params = kzalloc(sizeof(*params), GFP_KERNEL); - if (!params) - return -ENOMEM; - - params->reg_idx = args->reg_idx; - params->enable = args->enable; - params->op = args->op; - - if (args->input_ptr && args->input_size) { - input = kzalloc(hl_debug_struct_size[args->op], GFP_KERNEL); - if (!input) { - rc = -ENOMEM; - goto out; - } - - if (copy_from_user(input, u64_to_user_ptr(args->input_ptr), - args->input_size)) { - rc = -EFAULT; - dev_err(hdev->dev, "failed to copy input debug data\n"); - goto out; - } - - params->input = input; - } - - if (args->output_ptr && args->output_size) { - output = kzalloc(args->output_size, GFP_KERNEL); - if (!output) { - rc = -ENOMEM; - goto out; - } - - params->output = output; - params->output_size = args->output_size; - } - - rc = hdev->asic_funcs->debug_coresight(hdev, ctx, params); - if (rc) { - dev_err(hdev->dev, - "debug coresight operation failed %d\n", rc); - goto out; - } - - if (output && copy_to_user((void __user *) (uintptr_t) args->output_ptr, - output, args->output_size)) { - dev_err(hdev->dev, "copy to user failed in debug ioctl\n"); - rc = -EFAULT; - goto out; - } - - -out: - kfree(params); - kfree(output); - kfree(input); - - return rc; -} - -static int device_utilization(struct hl_device *hdev, struct hl_info_args *args) -{ - struct hl_info_device_utilization device_util = {0}; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - int rc; - - if ((!max_size) || (!out)) - return -EINVAL; - - rc = hl_device_utilization(hdev, &device_util.utilization); - if (rc) - return -EINVAL; - - return copy_to_user(out, &device_util, - min((size_t) max_size, sizeof(device_util))) ? -EFAULT : 0; -} - -static int get_clk_rate(struct hl_device *hdev, struct hl_info_args *args) -{ - struct hl_info_clk_rate clk_rate = {0}; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - int rc; - - if ((!max_size) || (!out)) - return -EINVAL; - - rc = hl_fw_get_clk_rate(hdev, &clk_rate.cur_clk_rate_mhz, &clk_rate.max_clk_rate_mhz); - if (rc) - return rc; - - return copy_to_user(out, &clk_rate, min_t(size_t, max_size, sizeof(clk_rate))) - ? -EFAULT : 0; -} - -static int get_reset_count(struct hl_device *hdev, struct hl_info_args *args) -{ - struct hl_info_reset_count reset_count = {0}; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!max_size) || (!out)) - return -EINVAL; - - reset_count.hard_reset_cnt = hdev->reset_info.hard_reset_cnt; - reset_count.soft_reset_cnt = hdev->reset_info.compute_reset_cnt; - - return copy_to_user(out, &reset_count, - min((size_t) max_size, sizeof(reset_count))) ? -EFAULT : 0; -} - -static int time_sync_info(struct hl_device *hdev, struct hl_info_args *args) -{ - struct hl_info_time_sync time_sync = {0}; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!max_size) || (!out)) - return -EINVAL; - - time_sync.device_time = hdev->asic_funcs->get_device_time(hdev); - time_sync.host_time = ktime_get_raw_ns(); - - return copy_to_user(out, &time_sync, - min((size_t) max_size, sizeof(time_sync))) ? -EFAULT : 0; -} - -static int pci_counters_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - struct hl_info_pci_counters pci_counters = {0}; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - int rc; - - if ((!max_size) || (!out)) - return -EINVAL; - - rc = hl_fw_cpucp_pci_counters_get(hdev, &pci_counters); - if (rc) - return rc; - - return copy_to_user(out, &pci_counters, - min((size_t) max_size, sizeof(pci_counters))) ? -EFAULT : 0; -} - -static int clk_throttle_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - struct hl_device *hdev = hpriv->hdev; - struct hl_info_clk_throttle clk_throttle = {0}; - ktime_t end_time, zero_time = ktime_set(0, 0); - u32 max_size = args->return_size; - int i; - - if ((!max_size) || (!out)) - return -EINVAL; - - mutex_lock(&hdev->clk_throttling.lock); - - clk_throttle.clk_throttling_reason = hdev->clk_throttling.current_reason; - - for (i = 0 ; i < HL_CLK_THROTTLE_TYPE_MAX ; i++) { - if (!(hdev->clk_throttling.aggregated_reason & BIT(i))) - continue; - - clk_throttle.clk_throttling_timestamp_us[i] = - ktime_to_us(hdev->clk_throttling.timestamp[i].start); - - if (ktime_compare(hdev->clk_throttling.timestamp[i].end, zero_time)) - end_time = hdev->clk_throttling.timestamp[i].end; - else - end_time = ktime_get(); - - clk_throttle.clk_throttling_duration_ns[i] = - ktime_to_ns(ktime_sub(end_time, - hdev->clk_throttling.timestamp[i].start)); - - } - mutex_unlock(&hdev->clk_throttling.lock); - - return copy_to_user(out, &clk_throttle, - min((size_t) max_size, sizeof(clk_throttle))) ? -EFAULT : 0; -} - -static int cs_counters_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - struct hl_info_cs_counters cs_counters = {0}; - struct hl_device *hdev = hpriv->hdev; - struct hl_cs_counters_atomic *cntr; - u32 max_size = args->return_size; - - cntr = &hdev->aggregated_cs_counters; - - if ((!max_size) || (!out)) - return -EINVAL; - - cs_counters.total_out_of_mem_drop_cnt = - atomic64_read(&cntr->out_of_mem_drop_cnt); - cs_counters.total_parsing_drop_cnt = - atomic64_read(&cntr->parsing_drop_cnt); - cs_counters.total_queue_full_drop_cnt = - atomic64_read(&cntr->queue_full_drop_cnt); - cs_counters.total_device_in_reset_drop_cnt = - atomic64_read(&cntr->device_in_reset_drop_cnt); - cs_counters.total_max_cs_in_flight_drop_cnt = - atomic64_read(&cntr->max_cs_in_flight_drop_cnt); - cs_counters.total_validation_drop_cnt = - atomic64_read(&cntr->validation_drop_cnt); - - if (hpriv->ctx) { - cs_counters.ctx_out_of_mem_drop_cnt = - atomic64_read( - &hpriv->ctx->cs_counters.out_of_mem_drop_cnt); - cs_counters.ctx_parsing_drop_cnt = - atomic64_read( - &hpriv->ctx->cs_counters.parsing_drop_cnt); - cs_counters.ctx_queue_full_drop_cnt = - atomic64_read( - &hpriv->ctx->cs_counters.queue_full_drop_cnt); - cs_counters.ctx_device_in_reset_drop_cnt = - atomic64_read( - &hpriv->ctx->cs_counters.device_in_reset_drop_cnt); - cs_counters.ctx_max_cs_in_flight_drop_cnt = - atomic64_read( - &hpriv->ctx->cs_counters.max_cs_in_flight_drop_cnt); - cs_counters.ctx_validation_drop_cnt = - atomic64_read( - &hpriv->ctx->cs_counters.validation_drop_cnt); - } - - return copy_to_user(out, &cs_counters, - min((size_t) max_size, sizeof(cs_counters))) ? -EFAULT : 0; -} - -static int sync_manager_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - struct asic_fixed_properties *prop = &hdev->asic_prop; - struct hl_info_sync_manager sm_info = {0}; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!max_size) || (!out)) - return -EINVAL; - - if (args->dcore_id >= HL_MAX_DCORES) - return -EINVAL; - - sm_info.first_available_sync_object = - prop->first_available_user_sob[args->dcore_id]; - sm_info.first_available_monitor = - prop->first_available_user_mon[args->dcore_id]; - sm_info.first_available_cq = - prop->first_available_cq[args->dcore_id]; - - return copy_to_user(out, &sm_info, min_t(size_t, (size_t) max_size, - sizeof(sm_info))) ? -EFAULT : 0; -} - -static int total_energy_consumption_info(struct hl_fpriv *hpriv, - struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - struct hl_info_energy total_energy = {0}; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - int rc; - - if ((!max_size) || (!out)) - return -EINVAL; - - rc = hl_fw_cpucp_total_energy_get(hdev, - &total_energy.total_energy_consumption); - if (rc) - return rc; - - return copy_to_user(out, &total_energy, - min((size_t) max_size, sizeof(total_energy))) ? -EFAULT : 0; -} - -static int pll_frequency_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - struct hl_pll_frequency_info freq_info = { {0} }; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - int rc; - - if ((!max_size) || (!out)) - return -EINVAL; - - rc = hl_fw_cpucp_pll_info_get(hdev, args->pll_index, freq_info.output); - if (rc) - return rc; - - return copy_to_user(out, &freq_info, - min((size_t) max_size, sizeof(freq_info))) ? -EFAULT : 0; -} - -static int power_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - u32 max_size = args->return_size; - struct hl_power_info power_info = {0}; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - int rc; - - if ((!max_size) || (!out)) - return -EINVAL; - - rc = hl_fw_cpucp_power_get(hdev, &power_info.power); - if (rc) - return rc; - - return copy_to_user(out, &power_info, - min((size_t) max_size, sizeof(power_info))) ? -EFAULT : 0; -} - -static int open_stats_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - u32 max_size = args->return_size; - struct hl_open_stats_info open_stats_info = {0}; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!max_size) || (!out)) - return -EINVAL; - - open_stats_info.last_open_period_ms = jiffies64_to_msecs( - hdev->last_open_session_duration_jif); - open_stats_info.open_counter = hdev->open_counter; - open_stats_info.is_compute_ctx_active = hdev->is_compute_ctx_active; - open_stats_info.compute_ctx_in_release = hdev->compute_ctx_in_release; - - return copy_to_user(out, &open_stats_info, - min((size_t) max_size, sizeof(open_stats_info))) ? -EFAULT : 0; -} - -static int dram_pending_rows_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - u32 max_size = args->return_size; - u32 pend_rows_num = 0; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - int rc; - - if ((!max_size) || (!out)) - return -EINVAL; - - rc = hl_fw_dram_pending_row_get(hdev, &pend_rows_num); - if (rc) - return rc; - - return copy_to_user(out, &pend_rows_num, - min_t(size_t, max_size, sizeof(pend_rows_num))) ? -EFAULT : 0; -} - -static int dram_replaced_rows_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - u32 max_size = args->return_size; - struct cpucp_hbm_row_info info = {0}; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - int rc; - - if ((!max_size) || (!out)) - return -EINVAL; - - rc = hl_fw_dram_replaced_row_get(hdev, &info); - if (rc) - return rc; - - return copy_to_user(out, &info, min_t(size_t, max_size, sizeof(info))) ? -EFAULT : 0; -} - -static int last_err_open_dev_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_info_last_err_open_dev_time info = {0}; - struct hl_device *hdev = hpriv->hdev; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!max_size) || (!out)) - return -EINVAL; - - info.timestamp = ktime_to_ns(hdev->last_successful_open_ktime); - - return copy_to_user(out, &info, min_t(size_t, max_size, sizeof(info))) ? -EFAULT : 0; -} - -static int cs_timeout_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_info_cs_timeout_event info = {0}; - struct hl_device *hdev = hpriv->hdev; - u32 max_size = args->return_size; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!max_size) || (!out)) - return -EINVAL; - - info.seq = hdev->captured_err_info.cs_timeout.seq; - info.timestamp = ktime_to_ns(hdev->captured_err_info.cs_timeout.timestamp); - - return copy_to_user(out, &info, min_t(size_t, max_size, sizeof(info))) ? -EFAULT : 0; -} - -static int razwi_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - u32 max_size = args->return_size; - struct hl_info_razwi_event *info = &hdev->captured_err_info.razwi; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!max_size) || (!out)) - return -EINVAL; - - return copy_to_user(out, info, min_t(size_t, max_size, sizeof(struct hl_info_razwi_event))) - ? -EFAULT : 0; -} - -static int undefined_opcode_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - u32 max_size = args->return_size; - struct hl_info_undefined_opcode_event info = {0}; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!max_size) || (!out)) - return -EINVAL; - - info.timestamp = ktime_to_ns(hdev->captured_err_info.undef_opcode.timestamp); - info.engine_id = hdev->captured_err_info.undef_opcode.engine_id; - info.cq_addr = hdev->captured_err_info.undef_opcode.cq_addr; - info.cq_size = hdev->captured_err_info.undef_opcode.cq_size; - info.stream_id = hdev->captured_err_info.undef_opcode.stream_id; - info.cb_addr_streams_len = hdev->captured_err_info.undef_opcode.cb_addr_streams_len; - memcpy(info.cb_addr_streams, hdev->captured_err_info.undef_opcode.cb_addr_streams, - sizeof(info.cb_addr_streams)); - - return copy_to_user(out, &info, min_t(size_t, max_size, sizeof(info))) ? -EFAULT : 0; -} - -static int dev_mem_alloc_page_sizes_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - struct hl_info_dev_memalloc_page_sizes info = {0}; - struct hl_device *hdev = hpriv->hdev; - u32 max_size = args->return_size; - - if ((!max_size) || (!out)) - return -EINVAL; - - /* - * Future ASICs that will support multiple DRAM page sizes will support only "powers of 2" - * pages (unlike some of the ASICs before supporting multiple page sizes). - * For this reason for all ASICs that not support multiple page size the function will - * return an empty bitmask indicating that multiple page sizes is not supported. - */ - info.page_order_bitmask = hdev->asic_prop.dmmu.supported_pages_mask; - - return copy_to_user(out, &info, min_t(size_t, max_size, sizeof(info))) ? -EFAULT : 0; -} - -static int sec_attest_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - struct cpucp_sec_attest_info *sec_attest_info; - struct hl_info_sec_attest *info; - u32 max_size = args->return_size; - int rc; - - if ((!max_size) || (!out)) - return -EINVAL; - - sec_attest_info = kmalloc(sizeof(*sec_attest_info), GFP_KERNEL); - if (!sec_attest_info) - return -ENOMEM; - - info = kmalloc(sizeof(*info), GFP_KERNEL); - if (!info) { - rc = -ENOMEM; - goto free_sec_attest_info; - } - - rc = hl_fw_get_sec_attest_info(hpriv->hdev, sec_attest_info, args->sec_attest_nonce); - if (rc) - goto free_info; - - info->nonce = le32_to_cpu(sec_attest_info->nonce); - info->pcr_quote_len = le16_to_cpu(sec_attest_info->pcr_quote_len); - info->pub_data_len = le16_to_cpu(sec_attest_info->pub_data_len); - info->certificate_len = le16_to_cpu(sec_attest_info->certificate_len); - info->pcr_num_reg = sec_attest_info->pcr_num_reg; - info->pcr_reg_len = sec_attest_info->pcr_reg_len; - info->quote_sig_len = sec_attest_info->quote_sig_len; - memcpy(&info->pcr_data, &sec_attest_info->pcr_data, sizeof(info->pcr_data)); - memcpy(&info->pcr_quote, &sec_attest_info->pcr_quote, sizeof(info->pcr_quote)); - memcpy(&info->public_data, &sec_attest_info->public_data, sizeof(info->public_data)); - memcpy(&info->certificate, &sec_attest_info->certificate, sizeof(info->certificate)); - memcpy(&info->quote_sig, &sec_attest_info->quote_sig, sizeof(info->quote_sig)); - - rc = copy_to_user(out, info, - min_t(size_t, max_size, sizeof(*info))) ? -EFAULT : 0; - -free_info: - kfree(info); -free_sec_attest_info: - kfree(sec_attest_info); - - return rc; -} - -static int eventfd_register(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - int rc; - - /* check if there is already a registered on that process */ - mutex_lock(&hpriv->notifier_event.lock); - if (hpriv->notifier_event.eventfd) { - mutex_unlock(&hpriv->notifier_event.lock); - return -EINVAL; - } - - hpriv->notifier_event.eventfd = eventfd_ctx_fdget(args->eventfd); - if (IS_ERR(hpriv->notifier_event.eventfd)) { - rc = PTR_ERR(hpriv->notifier_event.eventfd); - hpriv->notifier_event.eventfd = NULL; - mutex_unlock(&hpriv->notifier_event.lock); - return rc; - } - - mutex_unlock(&hpriv->notifier_event.lock); - return 0; -} - -static int eventfd_unregister(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - mutex_lock(&hpriv->notifier_event.lock); - if (!hpriv->notifier_event.eventfd) { - mutex_unlock(&hpriv->notifier_event.lock); - return -EINVAL; - } - - eventfd_ctx_put(hpriv->notifier_event.eventfd); - hpriv->notifier_event.eventfd = NULL; - mutex_unlock(&hpriv->notifier_event.lock); - return 0; -} - -static int engine_status_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - u32 status_buf_size = args->return_size; - struct hl_device *hdev = hpriv->hdev; - struct engines_data eng_data; - int rc; - - if ((status_buf_size < SZ_1K) || (status_buf_size > HL_ENGINES_DATA_MAX_SIZE) || (!out)) - return -EINVAL; - - eng_data.actual_size = 0; - eng_data.allocated_buf_size = status_buf_size; - eng_data.buf = vmalloc(status_buf_size); - if (!eng_data.buf) - return -ENOMEM; - - hdev->asic_funcs->is_device_idle(hdev, NULL, 0, &eng_data); - - if (eng_data.actual_size > eng_data.allocated_buf_size) { - dev_err(hdev->dev, - "Engines data size (%d Bytes) is bigger than allocated size (%u Bytes)\n", - eng_data.actual_size, status_buf_size); - vfree(eng_data.buf); - return -ENOMEM; - } - - args->user_buffer_actual_size = eng_data.actual_size; - rc = copy_to_user(out, eng_data.buf, min_t(size_t, status_buf_size, eng_data.actual_size)) ? - -EFAULT : 0; - - vfree(eng_data.buf); - - return rc; -} - -static int page_fault_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - struct hl_device *hdev = hpriv->hdev; - u32 max_size = args->return_size; - struct hl_page_fault_info *info = &hdev->captured_err_info.pgf_info.pgf; - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - - if ((!max_size) || (!out)) - return -EINVAL; - - return copy_to_user(out, info, min_t(size_t, max_size, sizeof(struct hl_page_fault_info))) - ? -EFAULT : 0; -} - -static int user_mappings_info(struct hl_fpriv *hpriv, struct hl_info_args *args) -{ - void __user *out = (void __user *) (uintptr_t) args->return_pointer; - u32 user_buf_size = args->return_size; - struct hl_device *hdev = hpriv->hdev; - struct page_fault_info *pgf_info; - u64 actual_size; - - pgf_info = &hdev->captured_err_info.pgf_info; - args->array_size = pgf_info->num_of_user_mappings; - - if (!out) - return -EINVAL; - - actual_size = pgf_info->num_of_user_mappings * sizeof(struct hl_user_mapping); - if (user_buf_size < actual_size) - return -ENOMEM; - - return copy_to_user(out, pgf_info->user_mappings, min_t(size_t, user_buf_size, actual_size)) - ? -EFAULT : 0; -} - -static int send_fw_generic_request(struct hl_device *hdev, struct hl_info_args *info_args) -{ - void __user *buff = (void __user *) (uintptr_t) info_args->return_pointer; - u32 size = info_args->return_size; - dma_addr_t dma_handle; - bool need_input_buff; - void *fw_buff; - int rc = 0; - - switch (info_args->fw_sub_opcode) { - case HL_PASSTHROUGH_VERSIONS: - need_input_buff = false; - break; - default: - return -EINVAL; - } - - if (size > SZ_1M) { - dev_err(hdev->dev, "buffer size cannot exceed 1MB\n"); - return -EINVAL; - } - - fw_buff = hl_cpu_accessible_dma_pool_alloc(hdev, size, &dma_handle); - if (!fw_buff) - return -ENOMEM; - - - if (need_input_buff && copy_from_user(fw_buff, buff, size)) { - dev_dbg(hdev->dev, "Failed to copy from user FW buff\n"); - rc = -EFAULT; - goto free_buff; - } - - rc = hl_fw_send_generic_request(hdev, info_args->fw_sub_opcode, dma_handle, &size); - if (rc) - goto free_buff; - - if (copy_to_user(buff, fw_buff, min(size, info_args->return_size))) { - dev_dbg(hdev->dev, "Failed to copy to user FW generic req output\n"); - rc = -EFAULT; - } - -free_buff: - hl_cpu_accessible_dma_pool_free(hdev, info_args->return_size, fw_buff); - - return rc; -} - -static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, - struct device *dev) -{ - enum hl_device_status status; - struct hl_info_args *args = data; - struct hl_device *hdev = hpriv->hdev; - - int rc; - - /* - * Information is returned for the following opcodes even if the device - * is disabled or in reset. - */ - switch (args->op) { - case HL_INFO_HW_IP_INFO: - return hw_ip_info(hdev, args); - - case HL_INFO_DEVICE_STATUS: - return device_status_info(hdev, args); - - case HL_INFO_RESET_COUNT: - return get_reset_count(hdev, args); - - case HL_INFO_HW_EVENTS: - return hw_events_info(hdev, false, args); - - case HL_INFO_HW_EVENTS_AGGREGATE: - return hw_events_info(hdev, true, args); - - case HL_INFO_CS_COUNTERS: - return cs_counters_info(hpriv, args); - - case HL_INFO_CLK_THROTTLE_REASON: - return clk_throttle_info(hpriv, args); - - case HL_INFO_SYNC_MANAGER: - return sync_manager_info(hpriv, args); - - case HL_INFO_OPEN_STATS: - return open_stats_info(hpriv, args); - - case HL_INFO_LAST_ERR_OPEN_DEV_TIME: - return last_err_open_dev_info(hpriv, args); - - case HL_INFO_CS_TIMEOUT_EVENT: - return cs_timeout_info(hpriv, args); - - case HL_INFO_RAZWI_EVENT: - return razwi_info(hpriv, args); - - case HL_INFO_UNDEFINED_OPCODE_EVENT: - return undefined_opcode_info(hpriv, args); - - case HL_INFO_DEV_MEM_ALLOC_PAGE_SIZES: - return dev_mem_alloc_page_sizes_info(hpriv, args); - - case HL_INFO_GET_EVENTS: - return events_info(hpriv, args); - - case HL_INFO_PAGE_FAULT_EVENT: - return page_fault_info(hpriv, args); - - case HL_INFO_USER_MAPPINGS: - return user_mappings_info(hpriv, args); - - case HL_INFO_UNREGISTER_EVENTFD: - return eventfd_unregister(hpriv, args); - - default: - break; - } - - if (!hl_device_operational(hdev, &status)) { - dev_warn_ratelimited(dev, - "Device is %s. Can't execute INFO IOCTL\n", - hdev->status[status]); - return -EBUSY; - } - - switch (args->op) { - case HL_INFO_DRAM_USAGE: - rc = dram_usage_info(hpriv, args); - break; - - case HL_INFO_HW_IDLE: - rc = hw_idle(hdev, args); - break; - - case HL_INFO_DEVICE_UTILIZATION: - rc = device_utilization(hdev, args); - break; - - case HL_INFO_CLK_RATE: - rc = get_clk_rate(hdev, args); - break; - - case HL_INFO_TIME_SYNC: - return time_sync_info(hdev, args); - - case HL_INFO_PCI_COUNTERS: - return pci_counters_info(hpriv, args); - - case HL_INFO_TOTAL_ENERGY: - return total_energy_consumption_info(hpriv, args); - - case HL_INFO_PLL_FREQUENCY: - return pll_frequency_info(hpriv, args); - - case HL_INFO_POWER: - return power_info(hpriv, args); - - - case HL_INFO_DRAM_REPLACED_ROWS: - return dram_replaced_rows_info(hpriv, args); - - case HL_INFO_DRAM_PENDING_ROWS: - return dram_pending_rows_info(hpriv, args); - - case HL_INFO_SECURED_ATTESTATION: - return sec_attest_info(hpriv, args); - - case HL_INFO_REGISTER_EVENTFD: - return eventfd_register(hpriv, args); - - case HL_INFO_ENGINE_STATUS: - return engine_status_info(hpriv, args); - - case HL_INFO_FW_GENERIC_REQ: - return send_fw_generic_request(hdev, args); - - default: - dev_err(dev, "Invalid request %d\n", args->op); - rc = -EINVAL; - break; - } - - return rc; -} - -static int hl_info_ioctl(struct hl_fpriv *hpriv, void *data) -{ - return _hl_info_ioctl(hpriv, data, hpriv->hdev->dev); -} - -static int hl_info_ioctl_control(struct hl_fpriv *hpriv, void *data) -{ - return _hl_info_ioctl(hpriv, data, hpriv->hdev->dev_ctrl); -} - -static int hl_debug_ioctl(struct hl_fpriv *hpriv, void *data) -{ - struct hl_debug_args *args = data; - struct hl_device *hdev = hpriv->hdev; - enum hl_device_status status; - - int rc = 0; - - if (!hl_device_operational(hdev, &status)) { - dev_warn_ratelimited(hdev->dev, - "Device is %s. Can't execute DEBUG IOCTL\n", - hdev->status[status]); - return -EBUSY; - } - - switch (args->op) { - case HL_DEBUG_OP_ETR: - case HL_DEBUG_OP_ETF: - case HL_DEBUG_OP_STM: - case HL_DEBUG_OP_FUNNEL: - case HL_DEBUG_OP_BMON: - case HL_DEBUG_OP_SPMU: - case HL_DEBUG_OP_TIMESTAMP: - if (!hdev->in_debug) { - dev_err_ratelimited(hdev->dev, - "Rejecting debug configuration request because device not in debug mode\n"); - return -EFAULT; - } - args->input_size = min(args->input_size, hl_debug_struct_size[args->op]); - rc = debug_coresight(hdev, hpriv->ctx, args); - break; - - case HL_DEBUG_OP_SET_MODE: - rc = hl_device_set_debug_mode(hdev, hpriv->ctx, (bool) args->enable); - break; - - default: - dev_err(hdev->dev, "Invalid request %d\n", args->op); - rc = -EINVAL; - break; - } - - return rc; -} - -#define HL_IOCTL_DEF(ioctl, _func) \ - [_IOC_NR(ioctl)] = {.cmd = ioctl, .func = _func} - -static const struct hl_ioctl_desc hl_ioctls[] = { - HL_IOCTL_DEF(HL_IOCTL_INFO, hl_info_ioctl), - HL_IOCTL_DEF(HL_IOCTL_CB, hl_cb_ioctl), - HL_IOCTL_DEF(HL_IOCTL_CS, hl_cs_ioctl), - HL_IOCTL_DEF(HL_IOCTL_WAIT_CS, hl_wait_ioctl), - HL_IOCTL_DEF(HL_IOCTL_MEMORY, hl_mem_ioctl), - HL_IOCTL_DEF(HL_IOCTL_DEBUG, hl_debug_ioctl) -}; - -static const struct hl_ioctl_desc hl_ioctls_control[] = { - HL_IOCTL_DEF(HL_IOCTL_INFO, hl_info_ioctl_control) -}; - -static long _hl_ioctl(struct file *filep, unsigned int cmd, unsigned long arg, - const struct hl_ioctl_desc *ioctl, struct device *dev) -{ - struct hl_fpriv *hpriv = filep->private_data; - unsigned int nr = _IOC_NR(cmd); - char stack_kdata[128] = {0}; - char *kdata = NULL; - unsigned int usize, asize; - hl_ioctl_t *func; - u32 hl_size; - int retcode; - - /* Do not trust userspace, use our own definition */ - func = ioctl->func; - - if (unlikely(!func)) { - dev_dbg(dev, "no function\n"); - retcode = -ENOTTY; - goto out_err; - } - - hl_size = _IOC_SIZE(ioctl->cmd); - usize = asize = _IOC_SIZE(cmd); - if (hl_size > asize) - asize = hl_size; - - cmd = ioctl->cmd; - - if (cmd & (IOC_IN | IOC_OUT)) { - if (asize <= sizeof(stack_kdata)) { - kdata = stack_kdata; - } else { - kdata = kzalloc(asize, GFP_KERNEL); - if (!kdata) { - retcode = -ENOMEM; - goto out_err; - } - } - } - - if (cmd & IOC_IN) { - if (copy_from_user(kdata, (void __user *)arg, usize)) { - retcode = -EFAULT; - goto out_err; - } - } else if (cmd & IOC_OUT) { - memset(kdata, 0, usize); - } - - retcode = func(hpriv, kdata); - - if ((cmd & IOC_OUT) && copy_to_user((void __user *)arg, kdata, usize)) - retcode = -EFAULT; - -out_err: - if (retcode) - dev_dbg(dev, "error in ioctl: pid=%d, cmd=0x%02x, nr=0x%02x\n", - task_pid_nr(current), cmd, nr); - - if (kdata != stack_kdata) - kfree(kdata); - - return retcode; -} - -long hl_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) -{ - struct hl_fpriv *hpriv = filep->private_data; - struct hl_device *hdev = hpriv->hdev; - const struct hl_ioctl_desc *ioctl = NULL; - unsigned int nr = _IOC_NR(cmd); - - if (!hdev) { - pr_err_ratelimited("Sending ioctl after device was removed! Please close FD\n"); - return -ENODEV; - } - - if ((nr >= HL_COMMAND_START) && (nr < HL_COMMAND_END)) { - ioctl = &hl_ioctls[nr]; - } else { - dev_err(hdev->dev, "invalid ioctl: pid=%d, nr=0x%02x\n", - task_pid_nr(current), nr); - return -ENOTTY; - } - - return _hl_ioctl(filep, cmd, arg, ioctl, hdev->dev); -} - -long hl_ioctl_control(struct file *filep, unsigned int cmd, unsigned long arg) -{ - struct hl_fpriv *hpriv = filep->private_data; - struct hl_device *hdev = hpriv->hdev; - const struct hl_ioctl_desc *ioctl = NULL; - unsigned int nr = _IOC_NR(cmd); - - if (!hdev) { - pr_err_ratelimited("Sending ioctl after device was removed! Please close FD\n"); - return -ENODEV; - } - - if (nr == _IOC_NR(HL_IOCTL_INFO)) { - ioctl = &hl_ioctls_control[nr]; - } else { - dev_err(hdev->dev_ctrl, "invalid ioctl: pid=%d, nr=0x%02x\n", - task_pid_nr(current), nr); - return -ENOTTY; - } - - return _hl_ioctl(filep, cmd, arg, ioctl, hdev->dev_ctrl); -} |