From 660c9a95104b37c947e0c2f6aeda4c92698b40f4 Mon Sep 17 00:00:00 2001 From: Terje Bergstrom Date: Thu, 23 Mar 2017 12:49:58 -0700 Subject: gpu: nvgpu: Move ctrl IOCTL creation to Linux module Move all code related to ctrl devnode to under Linux module. JIRA NVGPU-16 Change-Id: I834b46ec4172076d7bde459168f1e6bc8c5d6c0c Signed-off-by: Terje Bergstrom Reviewed-on: http://git-master/r/1330802 Reviewed-by: svccoveritychecker GVS: Gerrit_Virtual_Submit --- drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c | 1522 ---------------------------------- drivers/gpu/nvgpu/gk20a/ctrl_gk20a.h | 23 - 2 files changed, 1545 deletions(-) delete mode 100644 drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c delete mode 100644 drivers/gpu/nvgpu/gk20a/ctrl_gk20a.h (limited to 'drivers/gpu/nvgpu/gk20a') diff --git a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c deleted file mode 100644 index fba39a50..00000000 --- a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c +++ /dev/null @@ -1,1522 +0,0 @@ -/* - * Copyright (c) 2011-2017, NVIDIA Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include "gk20a.h" -#include "fence_gk20a.h" - -#define HZ_TO_MHZ(a) ((a > 0xF414F9CD7) ? 0xffff : (a >> 32) ? \ - (u32) ((a * 0x10C8ULL) >> 32) : (u16) ((u32) a/MHZ)) -#define MHZ_TO_HZ(a) ((u64)a * MHZ) - -struct gk20a_ctrl_priv { - struct device *dev; - struct gk20a *g; -#ifdef CONFIG_ARCH_TEGRA_18x_SOC - struct nvgpu_clk_session *clk_session; -#endif -}; - -int gk20a_ctrl_dev_open(struct inode *inode, struct file *filp) -{ - struct gk20a *g; - struct gk20a_ctrl_priv *priv; - int err = 0; - - gk20a_dbg_fn(""); - - g = container_of(inode->i_cdev, - struct gk20a, ctrl.cdev); - g = gk20a_get(g); - if (!g) - return -ENODEV; - - priv = nvgpu_kzalloc(g, sizeof(struct gk20a_ctrl_priv)); - if (!priv) { - err = -ENOMEM; - goto free_ref; - } - filp->private_data = priv; - priv->dev = g->dev; - /* - * We dont close the arbiter fd's after driver teardown to support - * GPU_LOST events, so we store g here, instead of dereferencing the - * dev structure on teardown - */ - priv->g = g; - - if (!g->gr.sw_ready) { - err = gk20a_busy(g); - if (err) - goto free_ref; - gk20a_idle(g); - } - -#ifdef CONFIG_ARCH_TEGRA_18x_SOC - err = nvgpu_clk_arb_init_session(g, &priv->clk_session); -#endif -free_ref: - if (err) - gk20a_put(g); - return err; -} -int gk20a_ctrl_dev_release(struct inode *inode, struct file *filp) -{ - struct gk20a_ctrl_priv *priv = filp->private_data; - struct gk20a *g = priv->g; - - gk20a_dbg_fn(""); - -#ifdef CONFIG_ARCH_TEGRA_18x_SOC - if (priv->clk_session) - nvgpu_clk_arb_release_session(g, priv->clk_session); -#endif - - gk20a_put(g); - nvgpu_kfree(g, priv); - - return 0; -} - -static long -gk20a_ctrl_ioctl_gpu_characteristics( - struct gk20a *g, - struct nvgpu_gpu_get_characteristics *request) -{ - struct nvgpu_gpu_characteristics *pgpu = &g->gpu_characteristics; - long err = 0; - - if (request->gpu_characteristics_buf_size > 0) { - size_t write_size = sizeof(*pgpu); - - if (write_size > request->gpu_characteristics_buf_size) - write_size = request->gpu_characteristics_buf_size; - - err = copy_to_user((void __user *)(uintptr_t) - request->gpu_characteristics_buf_addr, - pgpu, write_size); - } - - if (err == 0) - request->gpu_characteristics_buf_size = sizeof(*pgpu); - - return err; -} - -static int gk20a_ctrl_prepare_compressible_read( - struct gk20a *g, - struct nvgpu_gpu_prepare_compressible_read_args *args) -{ - struct nvgpu_fence fence; - struct gk20a_fence *fence_out = NULL; - int ret = 0; - int flags = args->submit_flags; - - fence.id = args->fence.syncpt_id; - fence.value = args->fence.syncpt_value; - - ret = gk20a_prepare_compressible_read(g, args->handle, - args->request_compbits, args->offset, - args->compbits_hoffset, args->compbits_voffset, - args->scatterbuffer_offset, - args->width, args->height, args->block_height_log2, - flags, &fence, &args->valid_compbits, - &args->zbc_color, &fence_out); - - if (ret) - return ret; - - /* Convert fence_out to something we can pass back to user space. */ - if (flags & NVGPU_SUBMIT_GPFIFO_FLAGS_FENCE_GET) { - if (flags & NVGPU_SUBMIT_GPFIFO_FLAGS_SYNC_FENCE) { - if (fence_out) { - int fd = gk20a_fence_install_fd(fence_out); - if (fd < 0) - ret = fd; - else - args->fence.fd = fd; - } else { - args->fence.fd = -1; - } - } else { - if (fence_out) { - args->fence.syncpt_id = fence_out->syncpt_id; - args->fence.syncpt_value = - fence_out->syncpt_value; - } else { - args->fence.syncpt_id = -1; - args->fence.syncpt_value = 0; - } - } - } - gk20a_fence_put(fence_out); - - return 0; -} - -static int gk20a_ctrl_mark_compressible_write( - struct gk20a *g, - struct nvgpu_gpu_mark_compressible_write_args *args) -{ - int ret; - - ret = gk20a_mark_compressible_write(g, args->handle, - args->valid_compbits, args->offset, args->zbc_color); - - return ret; -} - -static int gk20a_ctrl_alloc_as( - struct gk20a *g, - struct nvgpu_alloc_as_args *args) -{ - struct gk20a_as_share *as_share; - int err; - int fd; - struct file *file; - char name[64]; - - err = get_unused_fd_flags(O_RDWR); - if (err < 0) - return err; - fd = err; - - snprintf(name, sizeof(name), "nvhost-%s-fd%d", g->name, fd); - - file = anon_inode_getfile(name, g->as.cdev.ops, NULL, O_RDWR); - if (IS_ERR(file)) { - err = PTR_ERR(file); - goto clean_up; - } - - err = gk20a_as_alloc_share(&g->as, args->big_page_size, args->flags, - &as_share); - if (err) - goto clean_up_file; - - fd_install(fd, file); - file->private_data = as_share; - - args->as_fd = fd; - return 0; - -clean_up_file: - fput(file); -clean_up: - put_unused_fd(fd); - return err; -} - -static int gk20a_ctrl_open_tsg(struct gk20a *g, - struct nvgpu_gpu_open_tsg_args *args) -{ - int err; - int fd; - struct file *file; - char name[64]; - - err = get_unused_fd_flags(O_RDWR); - if (err < 0) - return err; - fd = err; - - snprintf(name, sizeof(name), "nvgpu-%s-tsg%d", g->name, fd); - - file = anon_inode_getfile(name, g->tsg.cdev.ops, NULL, O_RDWR); - if (IS_ERR(file)) { - err = PTR_ERR(file); - goto clean_up; - } - - err = gk20a_tsg_open(g, file); - if (err) - goto clean_up_file; - - fd_install(fd, file); - args->tsg_fd = fd; - return 0; - -clean_up_file: - fput(file); -clean_up: - put_unused_fd(fd); - return err; -} - -static int gk20a_ctrl_get_tpc_masks(struct gk20a *g, - struct nvgpu_gpu_get_tpc_masks_args *args) -{ - struct gr_gk20a *gr = &g->gr; - int err = 0; - const u32 gpc_tpc_mask_size = sizeof(u32) * gr->gpc_count; - - if (args->mask_buf_size > 0) { - size_t write_size = gpc_tpc_mask_size; - - if (write_size > args->mask_buf_size) - write_size = args->mask_buf_size; - - err = copy_to_user((void __user *)(uintptr_t) - args->mask_buf_addr, - gr->gpc_tpc_mask, write_size); - } - - if (err == 0) - args->mask_buf_size = gpc_tpc_mask_size; - - return err; -} - -static int gk20a_ctrl_get_fbp_l2_masks( - struct gk20a *g, struct nvgpu_gpu_get_fbp_l2_masks_args *args) -{ - struct gr_gk20a *gr = &g->gr; - int err = 0; - const u32 fbp_l2_mask_size = sizeof(u32) * gr->max_fbps_count; - - if (args->mask_buf_size > 0) { - size_t write_size = fbp_l2_mask_size; - - if (write_size > args->mask_buf_size) - write_size = args->mask_buf_size; - - err = copy_to_user((void __user *)(uintptr_t) - args->mask_buf_addr, - gr->fbp_rop_l2_en_mask, write_size); - } - - if (err == 0) - args->mask_buf_size = fbp_l2_mask_size; - - return err; -} - -static int nvgpu_gpu_ioctl_l2_fb_ops(struct gk20a *g, - struct nvgpu_gpu_l2_fb_args *args) -{ - int err = 0; - - if (args->l2_flush) - g->ops.mm.l2_flush(g, args->l2_invalidate ? true : false); - - if (args->fb_flush) - g->ops.mm.fb_flush(g); - - return err; -} - -/* Invalidate i-cache for kepler & maxwell */ -static int nvgpu_gpu_ioctl_inval_icache( - struct gk20a *g, - struct nvgpu_gpu_inval_icache_args *args) -{ - struct channel_gk20a *ch; - int err; - - ch = gk20a_get_channel_from_file(args->channel_fd); - if (!ch) - return -EINVAL; - - /* Take the global lock, since we'll be doing global regops */ - nvgpu_mutex_acquire(&g->dbg_sessions_lock); - err = g->ops.gr.inval_icache(g, ch); - nvgpu_mutex_release(&g->dbg_sessions_lock); - return err; -} - -static int nvgpu_gpu_ioctl_set_mmu_debug_mode( - struct gk20a *g, - struct nvgpu_gpu_mmu_debug_mode_args *args) -{ - if (gk20a_busy(g)) { - gk20a_err(dev_from_gk20a(g), "failed to power on gpu\n"); - return -EINVAL; - } - - nvgpu_mutex_acquire(&g->dbg_sessions_lock); - g->ops.fb.set_debug_mode(g, args->state == 1); - nvgpu_mutex_release(&g->dbg_sessions_lock); - - gk20a_idle(g); - return 0; -} - -static int nvgpu_gpu_ioctl_set_debug_mode( - struct gk20a *g, - struct nvgpu_gpu_sm_debug_mode_args *args) -{ - struct channel_gk20a *ch; - int err; - - ch = gk20a_get_channel_from_file(args->channel_fd); - if (!ch) - return -EINVAL; - - nvgpu_mutex_acquire(&g->dbg_sessions_lock); - if (g->ops.gr.set_sm_debug_mode) - err = g->ops.gr.set_sm_debug_mode(g, ch, - args->sms, !!args->enable); - else - err = -ENOSYS; - nvgpu_mutex_release(&g->dbg_sessions_lock); - - return err; -} - -static int nvgpu_gpu_ioctl_trigger_suspend(struct gk20a *g) -{ - int err; - - nvgpu_mutex_acquire(&g->dbg_sessions_lock); - err = g->ops.gr.trigger_suspend(g); - nvgpu_mutex_release(&g->dbg_sessions_lock); - return err; -} - -static int nvgpu_gpu_ioctl_wait_for_pause(struct gk20a *g, - struct nvgpu_gpu_wait_pause_args *args) -{ - int err = 0; - struct warpstate *w_state; - u32 sm_count, size; - - sm_count = g->gr.gpc_count * g->gr.tpc_count; - size = sm_count * sizeof(struct warpstate); - w_state = nvgpu_kzalloc(g, size); - if (!w_state) - return -ENOMEM; - - nvgpu_mutex_acquire(&g->dbg_sessions_lock); - g->ops.gr.wait_for_pause(g, w_state); - - /* Copy to user space - pointed by "args->pwarpstate" */ - if (copy_to_user((void __user *)(uintptr_t)args->pwarpstate, w_state, size)) { - gk20a_dbg_fn("copy_to_user failed!"); - err = -EFAULT; - } - - nvgpu_mutex_release(&g->dbg_sessions_lock); - nvgpu_kfree(g, w_state); - return err; -} - -static int nvgpu_gpu_ioctl_resume_from_pause(struct gk20a *g) -{ - int err = 0; - - nvgpu_mutex_acquire(&g->dbg_sessions_lock); - err = g->ops.gr.resume_from_pause(g); - nvgpu_mutex_release(&g->dbg_sessions_lock); - return err; -} - -static int nvgpu_gpu_ioctl_clear_sm_errors(struct gk20a *g) -{ - return g->ops.gr.clear_sm_errors(g); -} - -static int nvgpu_gpu_ioctl_has_any_exception( - struct gk20a *g, - struct nvgpu_gpu_tpc_exception_en_status_args *args) -{ - u32 tpc_exception_en; - - nvgpu_mutex_acquire(&g->dbg_sessions_lock); - tpc_exception_en = g->ops.gr.tpc_enabled_exceptions(g); - nvgpu_mutex_release(&g->dbg_sessions_lock); - - args->tpc_exception_en_sm_mask = tpc_exception_en; - - return 0; -} - -static int gk20a_ctrl_get_num_vsms(struct gk20a *g, - struct nvgpu_gpu_num_vsms *args) -{ - struct gr_gk20a *gr = &g->gr; - args->num_vsms = gr->no_of_sm; - return 0; -} - -static int gk20a_ctrl_vsm_mapping(struct gk20a *g, - struct nvgpu_gpu_vsms_mapping *args) -{ - int err = 0; - struct gr_gk20a *gr = &g->gr; - size_t write_size = gr->no_of_sm * - sizeof(struct nvgpu_gpu_vsms_mapping_entry); - struct nvgpu_gpu_vsms_mapping_entry *vsms_buf; - u32 i; - - vsms_buf = nvgpu_kzalloc(g, write_size); - if (vsms_buf == NULL) - return -ENOMEM; - - for (i = 0; i < gr->no_of_sm; i++) { - vsms_buf[i].gpc_index = gr->sm_to_cluster[i].gpc_index; - vsms_buf[i].tpc_index = gr->sm_to_cluster[i].tpc_index; - } - - err = copy_to_user((void __user *)(uintptr_t) - args->vsms_map_buf_addr, - vsms_buf, write_size); - nvgpu_kfree(g, vsms_buf); - - return err; -} - -static int gk20a_ctrl_get_buffer_info( - struct gk20a *g, struct nvgpu_gpu_get_buffer_info_args *args) -{ - return gk20a_mm_get_buffer_info(dev_from_gk20a(g), args->in.dmabuf_fd, - &args->out.id, &args->out.length); -} - -static inline u64 get_cpu_timestamp_tsc(void) -{ - return ((u64) get_cycles()); -} - -static inline u64 get_cpu_timestamp_jiffies(void) -{ - return (get_jiffies_64() - INITIAL_JIFFIES); -} - -static inline u64 get_cpu_timestamp_timeofday(void) -{ - struct timeval tv; - - do_gettimeofday(&tv); - return timeval_to_jiffies(&tv); -} - -static inline int get_timestamps_zipper(struct gk20a *g, - u64 (*get_cpu_timestamp)(void), - struct nvgpu_gpu_get_cpu_time_correlation_info_args *args) -{ - int err = 0; - unsigned int i = 0; - - if (gk20a_busy(g)) { - gk20a_err(dev_from_gk20a(g), "GPU not powered on\n"); - err = -EINVAL; - goto end; - } - - for (i = 0; i < args->count; i++) { - err = g->ops.bus.read_ptimer(g, &args->samples[i].gpu_timestamp); - if (err) - return err; - - args->samples[i].cpu_timestamp = get_cpu_timestamp(); - } - -end: - gk20a_idle(g); - return err; -} - -static int nvgpu_gpu_get_cpu_time_correlation_info( - struct gk20a *g, - struct nvgpu_gpu_get_cpu_time_correlation_info_args *args) -{ - int err = 0; - u64 (*get_cpu_timestamp)(void) = NULL; - - if (args->count > NVGPU_GPU_GET_CPU_TIME_CORRELATION_INFO_MAX_COUNT) - return -EINVAL; - - switch (args->source_id) { - case NVGPU_GPU_GET_CPU_TIME_CORRELATION_INFO_SRC_ID_TSC: - get_cpu_timestamp = get_cpu_timestamp_tsc; - break; - case NVGPU_GPU_GET_CPU_TIME_CORRELATION_INFO_SRC_ID_JIFFIES: - get_cpu_timestamp = get_cpu_timestamp_jiffies; - break; - case NVGPU_GPU_GET_CPU_TIME_CORRELATION_INFO_SRC_ID_TIMEOFDAY: - get_cpu_timestamp = get_cpu_timestamp_timeofday; - break; - default: - gk20a_err(dev_from_gk20a(g), "invalid cpu clock source id\n"); - return -EINVAL; - } - - err = get_timestamps_zipper(g, get_cpu_timestamp, args); - return err; -} - -static int nvgpu_gpu_get_gpu_time( - struct gk20a *g, - struct nvgpu_gpu_get_gpu_time_args *args) -{ - u64 time; - int err; - - err = gk20a_busy(g); - if (err) - return err; - - err = g->ops.bus.read_ptimer(g, &time); - if (!err) - args->gpu_timestamp = time; - - gk20a_idle(g); - return err; -} - -static int nvgpu_gpu_get_engine_info( - struct gk20a *g, - struct nvgpu_gpu_get_engine_info_args *args) -{ - int err = 0; - u32 engine_enum = ENGINE_INVAL_GK20A; - u32 report_index = 0; - u32 engine_id_idx; - const u32 max_buffer_engines = args->engine_info_buf_size / - sizeof(struct nvgpu_gpu_get_engine_info_item); - struct nvgpu_gpu_get_engine_info_item __user *dst_item_list = - (void __user *)(uintptr_t)args->engine_info_buf_addr; - - for (engine_id_idx = 0; engine_id_idx < g->fifo.num_engines; - ++engine_id_idx) { - u32 active_engine_id = g->fifo.active_engines_list[engine_id_idx]; - const struct fifo_engine_info_gk20a *src_info = - &g->fifo.engine_info[active_engine_id]; - struct nvgpu_gpu_get_engine_info_item dst_info; - - memset(&dst_info, 0, sizeof(dst_info)); - - engine_enum = src_info->engine_enum; - - switch (engine_enum) { - case ENGINE_GR_GK20A: - dst_info.engine_id = NVGPU_GPU_ENGINE_ID_GR; - break; - - case ENGINE_GRCE_GK20A: - dst_info.engine_id = NVGPU_GPU_ENGINE_ID_GR_COPY; - break; - - case ENGINE_ASYNC_CE_GK20A: - dst_info.engine_id = NVGPU_GPU_ENGINE_ID_ASYNC_COPY; - break; - - default: - gk20a_err(dev_from_gk20a(g), "Unmapped engine enum %u\n", - engine_enum); - continue; - } - - dst_info.engine_instance = src_info->inst_id; - dst_info.runlist_id = src_info->runlist_id; - - if (report_index < max_buffer_engines) { - err = copy_to_user(&dst_item_list[report_index], - &dst_info, sizeof(dst_info)); - if (err) - goto clean_up; - } - - ++report_index; - } - - args->engine_info_buf_size = - report_index * sizeof(struct nvgpu_gpu_get_engine_info_item); - -clean_up: - return err; -} - -static int nvgpu_gpu_alloc_vidmem(struct gk20a *g, - struct nvgpu_gpu_alloc_vidmem_args *args) -{ - u32 align = args->in.alignment ? args->in.alignment : SZ_4K; - int fd; - - gk20a_dbg_fn(""); - - /* not yet supported */ - if (WARN_ON(args->in.flags & NVGPU_GPU_ALLOC_VIDMEM_FLAG_CPU_MASK)) - return -EINVAL; - - /* not yet supported */ - if (WARN_ON(args->in.flags & NVGPU_GPU_ALLOC_VIDMEM_FLAG_VPR)) - return -EINVAL; - - if (args->in.size & (SZ_4K - 1)) - return -EINVAL; - - if (!args->in.size) - return -EINVAL; - - if (align & (align - 1)) - return -EINVAL; - - if (align > roundup_pow_of_two(args->in.size)) { - /* log this special case, buddy allocator detail */ - gk20a_warn(dev_from_gk20a(g), - "alignment larger than buffer size rounded up to power of 2 is not supported"); - return -EINVAL; - } - - fd = gk20a_vidmem_buf_alloc(g, args->in.size); - if (fd < 0) - return fd; - - args->out.dmabuf_fd = fd; - - gk20a_dbg_fn("done, fd=%d", fd); - - return 0; -} - -static int nvgpu_gpu_get_memory_state(struct gk20a *g, - struct nvgpu_gpu_get_memory_state_args *args) -{ - int err; - - gk20a_dbg_fn(""); - - if (args->reserved[0] || args->reserved[1] || - args->reserved[2] || args->reserved[3]) - return -EINVAL; - - err = gk20a_vidmem_get_space(g, &args->total_free_bytes); - - gk20a_dbg_fn("done, err=%d, bytes=%lld", err, args->total_free_bytes); - - return err; -} - -#ifdef CONFIG_ARCH_TEGRA_18x_SOC -static int nvgpu_gpu_clk_get_vf_points(struct gk20a *g, - struct gk20a_ctrl_priv *priv, - struct nvgpu_gpu_clk_vf_points_args *args) -{ - struct nvgpu_gpu_clk_vf_point clk_point; - struct nvgpu_gpu_clk_vf_point __user *entry; - struct nvgpu_clk_session *session = priv->clk_session; - u32 clk_domains = 0; - int err; - u16 last_mhz; - u16 *fpoints; - u32 i; - u32 max_points = 0; - u32 num_points = 0; - u16 min_mhz; - u16 max_mhz; - - gk20a_dbg_fn(""); - - if (!session || args->flags) - return -EINVAL; - - clk_domains = nvgpu_clk_arb_get_arbiter_clk_domains(g); - args->num_entries = 0; - - if (!nvgpu_clk_arb_is_valid_domain(g, args->clk_domain)) - return -EINVAL; - - err = nvgpu_clk_arb_get_arbiter_clk_f_points(g, - args->clk_domain, &max_points, NULL); - if (err) - return err; - - if (!args->max_entries) { - args->max_entries = max_points; - return 0; - } - - if (args->max_entries < max_points) - return -EINVAL; - - err = nvgpu_clk_arb_get_arbiter_clk_range(g, args->clk_domain, - &min_mhz, &max_mhz); - if (err) - return err; - - fpoints = nvgpu_kcalloc(g, max_points, sizeof(u16)); - if (!fpoints) - return -ENOMEM; - - err = nvgpu_clk_arb_get_arbiter_clk_f_points(g, - args->clk_domain, &max_points, fpoints); - if (err) - goto fail; - - entry = (struct nvgpu_gpu_clk_vf_point __user *) - (uintptr_t)args->clk_vf_point_entries; - - last_mhz = 0; - num_points = 0; - for (i = 0; (i < max_points) && !err; i++) { - - /* filter out duplicate frequencies */ - if (fpoints[i] == last_mhz) - continue; - - /* filter out out-of-range frequencies */ - if ((fpoints[i] < min_mhz) || (fpoints[i] > max_mhz)) - continue; - - last_mhz = fpoints[i]; - clk_point.freq_hz = MHZ_TO_HZ(fpoints[i]); - - err = copy_to_user((void __user *)entry, &clk_point, - sizeof(clk_point)); - - num_points++; - entry++; - } - - args->num_entries = num_points; - -fail: - nvgpu_kfree(g, fpoints); - return err; -} - -static int nvgpu_gpu_clk_get_range(struct gk20a *g, - struct gk20a_ctrl_priv *priv, - struct nvgpu_gpu_clk_range_args *args) -{ - struct nvgpu_gpu_clk_range clk_range; - struct nvgpu_gpu_clk_range __user *entry; - struct nvgpu_clk_session *session = priv->clk_session; - - u32 clk_domains = 0; - u32 num_domains; - u32 num_entries; - u32 i; - int bit; - int err; - u16 min_mhz, max_mhz; - - gk20a_dbg_fn(""); - - if (!session) - return -EINVAL; - - clk_domains = nvgpu_clk_arb_get_arbiter_clk_domains(g); - num_domains = hweight_long(clk_domains); - - if (!args->flags) { - if (!args->num_entries) { - args->num_entries = num_domains; - return 0; - } - - if (args->num_entries < num_domains) - return -EINVAL; - - args->num_entries = 0; - num_entries = num_domains; - - } else { - if (args->flags != NVGPU_GPU_CLK_FLAG_SPECIFIC_DOMAINS) - return -EINVAL; - - num_entries = args->num_entries; - if (num_entries > num_domains) - return -EINVAL; - } - - entry = (struct nvgpu_gpu_clk_range __user *) - (uintptr_t)args->clk_range_entries; - - for (i = 0; i < num_entries; i++, entry++) { - - if (args->flags == NVGPU_GPU_CLK_FLAG_SPECIFIC_DOMAINS) { - if (copy_from_user(&clk_range, (void __user *)entry, - sizeof(clk_range))) - return -EFAULT; - } else { - bit = ffs(clk_domains) - 1; - clk_range.clk_domain = bit; - clk_domains &= ~BIT(bit); - } - - clk_range.flags = 0; - err = nvgpu_clk_arb_get_arbiter_clk_range(g, - clk_range.clk_domain, - &min_mhz, &max_mhz); - clk_range.min_hz = MHZ_TO_HZ(min_mhz); - clk_range.max_hz = MHZ_TO_HZ(max_mhz); - - if (err) - return err; - - err = copy_to_user(entry, &clk_range, sizeof(clk_range)); - if (err) - return -EFAULT; - } - - args->num_entries = num_entries; - - return 0; -} - - -static int nvgpu_gpu_clk_set_info(struct gk20a *g, - struct gk20a_ctrl_priv *priv, - struct nvgpu_gpu_clk_set_info_args *args) -{ - struct nvgpu_gpu_clk_info clk_info; - struct nvgpu_gpu_clk_info __user *entry; - struct nvgpu_clk_session *session = priv->clk_session; - - int fd; - u32 clk_domains = 0; - u16 freq_mhz; - int i; - int ret; - - gk20a_dbg_fn(""); - - if (!session || args->flags) - return -EINVAL; - - gk20a_dbg_info("line=%d", __LINE__); - - clk_domains = nvgpu_clk_arb_get_arbiter_clk_domains(g); - if (!clk_domains) - return -EINVAL; - - entry = (struct nvgpu_gpu_clk_info __user *) - (uintptr_t)args->clk_info_entries; - - gk20a_dbg_info("line=%d", __LINE__); - - for (i = 0; i < args->num_entries; i++, entry++) { - - gk20a_dbg_info("line=%d", __LINE__); - if (copy_from_user(&clk_info, entry, sizeof(clk_info))) - return -EFAULT; - - gk20a_dbg_info("i=%d domain=0x%08x", i, clk_info.clk_domain); - - if (!nvgpu_clk_arb_is_valid_domain(g, clk_info.clk_domain)) - return -EINVAL; - } - - entry = (struct nvgpu_gpu_clk_info __user *) - (uintptr_t)args->clk_info_entries; - - ret = nvgpu_clk_arb_install_request_fd(g, session, &fd); - if (ret < 0) - return ret; - - for (i = 0; i < args->num_entries; i++, entry++) { - - if (copy_from_user(&clk_info, (void __user *)entry, - sizeof(clk_info))) - return -EFAULT; - freq_mhz = HZ_TO_MHZ(clk_info.freq_hz); - - nvgpu_clk_arb_set_session_target_mhz(session, fd, - clk_info.clk_domain, freq_mhz); - } - - ret = nvgpu_clk_arb_commit_request_fd(g, session, fd); - if (ret < 0) - return ret; - - args->completion_fd = fd; - - return ret; -} - -static int nvgpu_gpu_clk_get_info(struct gk20a *g, - struct gk20a_ctrl_priv *priv, - struct nvgpu_gpu_clk_get_info_args *args) -{ - struct nvgpu_gpu_clk_info clk_info; - struct nvgpu_gpu_clk_info __user *entry; - struct nvgpu_clk_session *session = priv->clk_session; - u32 clk_domains = 0; - u32 num_domains; - u32 num_entries; - u32 i; - u16 freq_mhz; - int err; - int bit; - - gk20a_dbg_fn(""); - - if (!session) - return -EINVAL; - - clk_domains = nvgpu_clk_arb_get_arbiter_clk_domains(g); - num_domains = hweight_long(clk_domains); - - if (!args->flags) { - if (!args->num_entries) { - args->num_entries = num_domains; - return 0; - } - - if (args->num_entries < num_domains) - return -EINVAL; - - args->num_entries = 0; - num_entries = num_domains; - - } else { - if (args->flags != NVGPU_GPU_CLK_FLAG_SPECIFIC_DOMAINS) - return -EINVAL; - - num_entries = args->num_entries; - if (num_entries > num_domains * 3) - return -EINVAL; - } - - entry = (struct nvgpu_gpu_clk_info __user *) - (uintptr_t)args->clk_info_entries; - - for (i = 0; i < num_entries; i++, entry++) { - - if (args->flags == NVGPU_GPU_CLK_FLAG_SPECIFIC_DOMAINS) { - if (copy_from_user(&clk_info, (void __user *)entry, - sizeof(clk_info))) - return -EFAULT; - } else { - bit = ffs(clk_domains) - 1; - clk_info.clk_domain = bit; - clk_domains &= ~BIT(bit); - clk_info.clk_type = args->clk_type; - } - - switch (clk_info.clk_type) { - case NVGPU_GPU_CLK_TYPE_TARGET: - err = nvgpu_clk_arb_get_session_target_mhz(session, - clk_info.clk_domain, &freq_mhz); - break; - case NVGPU_GPU_CLK_TYPE_ACTUAL: - err = nvgpu_clk_arb_get_arbiter_actual_mhz(g, - clk_info.clk_domain, &freq_mhz); - break; - case NVGPU_GPU_CLK_TYPE_EFFECTIVE: - err = nvgpu_clk_arb_get_arbiter_effective_mhz(g, - clk_info.clk_domain, &freq_mhz); - break; - default: - freq_mhz = 0; - err = -EINVAL; - break; - } - if (err) - return err; - - clk_info.flags = 0; - clk_info.freq_hz = MHZ_TO_HZ(freq_mhz); - - err = copy_to_user((void __user *)entry, &clk_info, - sizeof(clk_info)); - if (err) - return -EFAULT; - } - - args->num_entries = num_entries; - - return 0; -} - -static int nvgpu_gpu_get_event_fd(struct gk20a *g, - struct gk20a_ctrl_priv *priv, - struct nvgpu_gpu_get_event_fd_args *args) -{ - struct nvgpu_clk_session *session = priv->clk_session; - - gk20a_dbg_fn(""); - - if (!session) - return -EINVAL; - - return nvgpu_clk_arb_install_event_fd(g, session, &args->event_fd, - args->flags); -} - -static int nvgpu_gpu_get_voltage(struct gk20a *g, - struct nvgpu_gpu_get_voltage_args *args) -{ - int err = -EINVAL; - - gk20a_dbg_fn(""); - - if (args->reserved) - return -EINVAL; - - if (!(g->gpu_characteristics.flags & NVGPU_GPU_FLAGS_SUPPORT_GET_VOLTAGE)) - return -EINVAL; - - err = gk20a_busy(g); - if (err) - return err; - - switch (args->which) { - case NVGPU_GPU_VOLTAGE_CORE: - err = volt_get_voltage(g, CTRL_VOLT_DOMAIN_LOGIC, &args->voltage); - break; - case NVGPU_GPU_VOLTAGE_SRAM: - err = volt_get_voltage(g, CTRL_VOLT_DOMAIN_SRAM, &args->voltage); - break; - case NVGPU_GPU_VOLTAGE_BUS: - err = pmgr_pwr_devices_get_voltage(g, &args->voltage); - break; - default: - err = -EINVAL; - } - - gk20a_idle(g); - - return err; -} - -static int nvgpu_gpu_get_current(struct gk20a *g, - struct nvgpu_gpu_get_current_args *args) -{ - int err; - - gk20a_dbg_fn(""); - - if (args->reserved[0] || args->reserved[1] || args->reserved[2]) - return -EINVAL; - - if (!(g->gpu_characteristics.flags & NVGPU_GPU_FLAGS_SUPPORT_GET_CURRENT)) - return -EINVAL; - - err = gk20a_busy(g); - if (err) - return err; - - err = pmgr_pwr_devices_get_current(g, &args->currnt); - - gk20a_idle(g); - - return err; -} - -static int nvgpu_gpu_get_power(struct gk20a *g, - struct nvgpu_gpu_get_power_args *args) -{ - int err; - - gk20a_dbg_fn(""); - - if (args->reserved[0] || args->reserved[1] || args->reserved[2]) - return -EINVAL; - - if (!(g->gpu_characteristics.flags & NVGPU_GPU_FLAGS_SUPPORT_GET_POWER)) - return -EINVAL; - - err = gk20a_busy(g); - if (err) - return err; - - err = pmgr_pwr_devices_get_power(g, &args->power); - - gk20a_idle(g); - - return err; -} - -static int nvgpu_gpu_get_temperature(struct gk20a *g, - struct nvgpu_gpu_get_temperature_args *args) -{ - int err; - u32 temp_f24_8; - - gk20a_dbg_fn(""); - - if (args->reserved[0] || args->reserved[1] || args->reserved[2]) - return -EINVAL; - - if (!g->ops.therm.get_internal_sensor_curr_temp) - return -EINVAL; - - err = gk20a_busy(g); - if (err) - return err; - - err = g->ops.therm.get_internal_sensor_curr_temp(g, &temp_f24_8); - - gk20a_idle(g); - - args->temp_f24_8 = (s32)temp_f24_8; - - return err; -} -#endif - -static int nvgpu_gpu_set_therm_alert_limit(struct gk20a *g, - struct nvgpu_gpu_set_therm_alert_limit_args *args) -{ - int err; - - gk20a_dbg_fn(""); - - if (args->reserved[0] || args->reserved[1] || args->reserved[2]) - return -EINVAL; - - if (!g->ops.therm.configure_therm_alert) - return -EINVAL; - - err = gk20a_busy(g); - if (err) - return err; - - err = g->ops.therm.configure_therm_alert(g, args->temp_f24_8); - - gk20a_idle(g); - - return err; -} - -long gk20a_ctrl_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -{ - struct gk20a_ctrl_priv *priv = filp->private_data; - struct gk20a *g = priv->g; - struct nvgpu_gpu_zcull_get_ctx_size_args *get_ctx_size_args; - struct nvgpu_gpu_zcull_get_info_args *get_info_args; - struct nvgpu_gpu_zbc_set_table_args *set_table_args; - struct nvgpu_gpu_zbc_query_table_args *query_table_args; - u8 buf[NVGPU_GPU_IOCTL_MAX_ARG_SIZE]; - struct gr_zcull_info *zcull_info; - struct zbc_entry *zbc_val; - struct zbc_query_params *zbc_tbl; - int i, err = 0; - - gk20a_dbg_fn(""); - - if ((_IOC_TYPE(cmd) != NVGPU_GPU_IOCTL_MAGIC) || - (_IOC_NR(cmd) == 0) || - (_IOC_NR(cmd) > NVGPU_GPU_IOCTL_LAST) || - (_IOC_SIZE(cmd) > NVGPU_GPU_IOCTL_MAX_ARG_SIZE)) - return -EINVAL; - - memset(buf, 0, sizeof(buf)); - if (_IOC_DIR(cmd) & _IOC_WRITE) { - if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) - return -EFAULT; - } - - if (!g->gr.sw_ready) { - err = gk20a_busy(g); - if (err) - return err; - - gk20a_idle(g); - } - - switch (cmd) { - case NVGPU_GPU_IOCTL_ZCULL_GET_CTX_SIZE: - get_ctx_size_args = (struct nvgpu_gpu_zcull_get_ctx_size_args *)buf; - - get_ctx_size_args->size = gr_gk20a_get_ctxsw_zcull_size(g, &g->gr); - - break; - case NVGPU_GPU_IOCTL_ZCULL_GET_INFO: - get_info_args = (struct nvgpu_gpu_zcull_get_info_args *)buf; - - memset(get_info_args, 0, sizeof(struct nvgpu_gpu_zcull_get_info_args)); - - zcull_info = nvgpu_kzalloc(g, sizeof(struct gr_zcull_info)); - if (zcull_info == NULL) - return -ENOMEM; - - err = g->ops.gr.get_zcull_info(g, &g->gr, zcull_info); - if (err) { - nvgpu_kfree(g, zcull_info); - break; - } - - get_info_args->width_align_pixels = zcull_info->width_align_pixels; - get_info_args->height_align_pixels = zcull_info->height_align_pixels; - get_info_args->pixel_squares_by_aliquots = zcull_info->pixel_squares_by_aliquots; - get_info_args->aliquot_total = zcull_info->aliquot_total; - get_info_args->region_byte_multiplier = zcull_info->region_byte_multiplier; - get_info_args->region_header_size = zcull_info->region_header_size; - get_info_args->subregion_header_size = zcull_info->subregion_header_size; - get_info_args->subregion_width_align_pixels = zcull_info->subregion_width_align_pixels; - get_info_args->subregion_height_align_pixels = zcull_info->subregion_height_align_pixels; - get_info_args->subregion_count = zcull_info->subregion_count; - - nvgpu_kfree(g, zcull_info); - break; - case NVGPU_GPU_IOCTL_ZBC_SET_TABLE: - set_table_args = (struct nvgpu_gpu_zbc_set_table_args *)buf; - - zbc_val = nvgpu_kzalloc(g, sizeof(struct zbc_entry)); - if (zbc_val == NULL) - return -ENOMEM; - - zbc_val->format = set_table_args->format; - zbc_val->type = set_table_args->type; - - switch (zbc_val->type) { - case GK20A_ZBC_TYPE_COLOR: - for (i = 0; i < GK20A_ZBC_COLOR_VALUE_SIZE; i++) { - zbc_val->color_ds[i] = set_table_args->color_ds[i]; - zbc_val->color_l2[i] = set_table_args->color_l2[i]; - } - break; - case GK20A_ZBC_TYPE_DEPTH: - case T19X_ZBC: - zbc_val->depth = set_table_args->depth; - break; - default: - err = -EINVAL; - } - - if (!err) { - err = gk20a_busy(g); - if (!err) { - err = g->ops.gr.zbc_set_table(g, &g->gr, - zbc_val); - gk20a_idle(g); - } - } - - if (zbc_val) - nvgpu_kfree(g, zbc_val); - break; - case NVGPU_GPU_IOCTL_ZBC_QUERY_TABLE: - query_table_args = (struct nvgpu_gpu_zbc_query_table_args *)buf; - - zbc_tbl = nvgpu_kzalloc(g, sizeof(struct zbc_query_params)); - if (zbc_tbl == NULL) - return -ENOMEM; - - zbc_tbl->type = query_table_args->type; - zbc_tbl->index_size = query_table_args->index_size; - - err = g->ops.gr.zbc_query_table(g, &g->gr, zbc_tbl); - - if (!err) { - switch (zbc_tbl->type) { - case GK20A_ZBC_TYPE_COLOR: - for (i = 0; i < GK20A_ZBC_COLOR_VALUE_SIZE; i++) { - query_table_args->color_ds[i] = zbc_tbl->color_ds[i]; - query_table_args->color_l2[i] = zbc_tbl->color_l2[i]; - } - break; - case GK20A_ZBC_TYPE_DEPTH: - case T19X_ZBC: - query_table_args->depth = zbc_tbl->depth; - break; - case GK20A_ZBC_TYPE_INVALID: - query_table_args->index_size = zbc_tbl->index_size; - break; - default: - err = -EINVAL; - } - if (!err) { - query_table_args->format = zbc_tbl->format; - query_table_args->ref_cnt = zbc_tbl->ref_cnt; - } - } - - if (zbc_tbl) - nvgpu_kfree(g, zbc_tbl); - break; - - case NVGPU_GPU_IOCTL_GET_CHARACTERISTICS: - err = gk20a_ctrl_ioctl_gpu_characteristics( - g, (struct nvgpu_gpu_get_characteristics *)buf); - break; - case NVGPU_GPU_IOCTL_PREPARE_COMPRESSIBLE_READ: - err = gk20a_ctrl_prepare_compressible_read(g, - (struct nvgpu_gpu_prepare_compressible_read_args *)buf); - break; - case NVGPU_GPU_IOCTL_MARK_COMPRESSIBLE_WRITE: - err = gk20a_ctrl_mark_compressible_write(g, - (struct nvgpu_gpu_mark_compressible_write_args *)buf); - break; - case NVGPU_GPU_IOCTL_ALLOC_AS: - err = gk20a_ctrl_alloc_as(g, - (struct nvgpu_alloc_as_args *)buf); - break; - case NVGPU_GPU_IOCTL_OPEN_TSG: - err = gk20a_ctrl_open_tsg(g, - (struct nvgpu_gpu_open_tsg_args *)buf); - break; - case NVGPU_GPU_IOCTL_GET_TPC_MASKS: - err = gk20a_ctrl_get_tpc_masks(g, - (struct nvgpu_gpu_get_tpc_masks_args *)buf); - break; - case NVGPU_GPU_IOCTL_GET_FBP_L2_MASKS: - err = gk20a_ctrl_get_fbp_l2_masks(g, - (struct nvgpu_gpu_get_fbp_l2_masks_args *)buf); - break; - case NVGPU_GPU_IOCTL_OPEN_CHANNEL: - /* this arg type here, but ..gpu_open_channel_args in nvgpu.h - * for consistency - they are the same */ - err = gk20a_channel_open_ioctl(g, - (struct nvgpu_channel_open_args *)buf); - break; - case NVGPU_GPU_IOCTL_FLUSH_L2: - err = nvgpu_gpu_ioctl_l2_fb_ops(g, - (struct nvgpu_gpu_l2_fb_args *)buf); - break; - case NVGPU_GPU_IOCTL_INVAL_ICACHE: - err = gr_gk20a_elpg_protected_call(g, - nvgpu_gpu_ioctl_inval_icache(g, (struct nvgpu_gpu_inval_icache_args *)buf)); - break; - - case NVGPU_GPU_IOCTL_SET_MMUDEBUG_MODE: - err = nvgpu_gpu_ioctl_set_mmu_debug_mode(g, - (struct nvgpu_gpu_mmu_debug_mode_args *)buf); - break; - - case NVGPU_GPU_IOCTL_SET_SM_DEBUG_MODE: - err = gr_gk20a_elpg_protected_call(g, - nvgpu_gpu_ioctl_set_debug_mode(g, (struct nvgpu_gpu_sm_debug_mode_args *)buf)); - break; - - case NVGPU_GPU_IOCTL_TRIGGER_SUSPEND: - err = nvgpu_gpu_ioctl_trigger_suspend(g); - break; - - case NVGPU_GPU_IOCTL_WAIT_FOR_PAUSE: - err = nvgpu_gpu_ioctl_wait_for_pause(g, - (struct nvgpu_gpu_wait_pause_args *)buf); - break; - - case NVGPU_GPU_IOCTL_RESUME_FROM_PAUSE: - err = nvgpu_gpu_ioctl_resume_from_pause(g); - break; - - case NVGPU_GPU_IOCTL_CLEAR_SM_ERRORS: - err = nvgpu_gpu_ioctl_clear_sm_errors(g); - break; - - case NVGPU_GPU_IOCTL_GET_TPC_EXCEPTION_EN_STATUS: - err = nvgpu_gpu_ioctl_has_any_exception(g, - (struct nvgpu_gpu_tpc_exception_en_status_args *)buf); - break; - - case NVGPU_GPU_IOCTL_NUM_VSMS: - err = gk20a_ctrl_get_num_vsms(g, - (struct nvgpu_gpu_num_vsms *)buf); - break; - case NVGPU_GPU_IOCTL_VSMS_MAPPING: - err = gk20a_ctrl_vsm_mapping(g, - (struct nvgpu_gpu_vsms_mapping *)buf); - break; - - case NVGPU_GPU_IOCTL_GET_BUFFER_INFO: - err = gk20a_ctrl_get_buffer_info(g, - (struct nvgpu_gpu_get_buffer_info_args *)buf); - break; - - case NVGPU_GPU_IOCTL_GET_CPU_TIME_CORRELATION_INFO: - err = nvgpu_gpu_get_cpu_time_correlation_info(g, - (struct nvgpu_gpu_get_cpu_time_correlation_info_args *)buf); - break; - - case NVGPU_GPU_IOCTL_GET_GPU_TIME: - err = nvgpu_gpu_get_gpu_time(g, - (struct nvgpu_gpu_get_gpu_time_args *)buf); - break; - - case NVGPU_GPU_IOCTL_GET_ENGINE_INFO: - err = nvgpu_gpu_get_engine_info(g, - (struct nvgpu_gpu_get_engine_info_args *)buf); - break; - - case NVGPU_GPU_IOCTL_ALLOC_VIDMEM: - err = nvgpu_gpu_alloc_vidmem(g, - (struct nvgpu_gpu_alloc_vidmem_args *)buf); - break; - - case NVGPU_GPU_IOCTL_GET_MEMORY_STATE: - err = nvgpu_gpu_get_memory_state(g, - (struct nvgpu_gpu_get_memory_state_args *)buf); - break; - -#ifdef CONFIG_ARCH_TEGRA_18x_SOC - case NVGPU_GPU_IOCTL_CLK_GET_RANGE: - err = nvgpu_gpu_clk_get_range(g, priv, - (struct nvgpu_gpu_clk_range_args *)buf); - break; - - case NVGPU_GPU_IOCTL_CLK_GET_VF_POINTS: - err = nvgpu_gpu_clk_get_vf_points(g, priv, - (struct nvgpu_gpu_clk_vf_points_args *)buf); - break; - - case NVGPU_GPU_IOCTL_CLK_SET_INFO: - err = nvgpu_gpu_clk_set_info(g, priv, - (struct nvgpu_gpu_clk_set_info_args *)buf); - break; - - case NVGPU_GPU_IOCTL_CLK_GET_INFO: - err = nvgpu_gpu_clk_get_info(g, priv, - (struct nvgpu_gpu_clk_get_info_args *)buf); - break; - - case NVGPU_GPU_IOCTL_GET_EVENT_FD: - err = nvgpu_gpu_get_event_fd(g, priv, - (struct nvgpu_gpu_get_event_fd_args *)buf); - break; - - case NVGPU_GPU_IOCTL_GET_VOLTAGE: - err = nvgpu_gpu_get_voltage(g, - (struct nvgpu_gpu_get_voltage_args *)buf); - break; - - case NVGPU_GPU_IOCTL_GET_CURRENT: - err = nvgpu_gpu_get_current(g, - (struct nvgpu_gpu_get_current_args *)buf); - break; - - case NVGPU_GPU_IOCTL_GET_POWER: - err = nvgpu_gpu_get_power(g, - (struct nvgpu_gpu_get_power_args *)buf); - break; - - case NVGPU_GPU_IOCTL_GET_TEMPERATURE: - err = nvgpu_gpu_get_temperature(g, - (struct nvgpu_gpu_get_temperature_args *)buf); - break; -#endif - - case NVGPU_GPU_IOCTL_SET_THERM_ALERT_LIMIT: - err = nvgpu_gpu_set_therm_alert_limit(g, - (struct nvgpu_gpu_set_therm_alert_limit_args *)buf); - break; - - default: - dev_dbg(dev_from_gk20a(g), "unrecognized gpu ioctl cmd: 0x%x", cmd); - err = -ENOTTY; - break; - } - - if ((err == 0) && (_IOC_DIR(cmd) & _IOC_READ)) - err = copy_to_user((void __user *)arg, buf, _IOC_SIZE(cmd)); - - return err; -} diff --git a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.h b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.h deleted file mode 100644 index 26ca4e20..00000000 --- a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ -#ifndef CTRL_GK20A_H -#define CTRL_GK20A_H - -int gk20a_ctrl_dev_open(struct inode *inode, struct file *filp); -int gk20a_ctrl_dev_release(struct inode *inode, struct file *filp); -long gk20a_ctrl_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); - -#endif /* CTRL_GK20A_H */ -- cgit v1.2.2