Add 'qcom/opensource/graphics-kernel/' from commit 'b4fdc4c04295ac59109ae19d64747522740c3f14'
git-subtree-dir: qcom/opensource/graphics-kernel git-subtree-mainline:992813d9c1git-subtree-split:b4fdc4c042Change-Id: repo: https://git.codelinaro.org/clo/la/platform/vendor/qcom/opensource/graphics-kernel tag: GRAPHICS.LA.14.0.r1-07700-lanai.0
This commit is contained in:
David Wronek
194
qcom/opensource/graphics-kernel/kgsl_ioctl.c
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194
qcom/opensource/graphics-kernel/kgsl_ioctl.c
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2008-2021, The Linux Foundation. All rights reserved.
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* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#include "kgsl_device.h"
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#include "kgsl_sync.h"
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static const struct kgsl_ioctl kgsl_ioctl_funcs[] = {
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KGSL_IOCTL_FUNC(IOCTL_KGSL_DEVICE_GETPROPERTY,
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kgsl_ioctl_device_getproperty),
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/* IOCTL_KGSL_DEVICE_WAITTIMESTAMP is no longer supported */
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KGSL_IOCTL_FUNC(IOCTL_KGSL_DEVICE_WAITTIMESTAMP_CTXTID,
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kgsl_ioctl_device_waittimestamp_ctxtid),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_RINGBUFFER_ISSUEIBCMDS,
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kgsl_ioctl_rb_issueibcmds),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SUBMIT_COMMANDS,
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kgsl_ioctl_submit_commands),
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/* IOCTL_KGSL_CMDSTREAM_READTIMESTAMP is no longer supported */
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KGSL_IOCTL_FUNC(IOCTL_KGSL_CMDSTREAM_READTIMESTAMP_CTXTID,
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kgsl_ioctl_cmdstream_readtimestamp_ctxtid),
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/* IOCTL_KGSL_CMDSTREAM_FREEMEMONTIMESTAMP is no longer supported */
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KGSL_IOCTL_FUNC(IOCTL_KGSL_CMDSTREAM_FREEMEMONTIMESTAMP_CTXTID,
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kgsl_ioctl_cmdstream_freememontimestamp_ctxtid),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_DRAWCTXT_CREATE,
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kgsl_ioctl_drawctxt_create),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_DRAWCTXT_DESTROY,
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kgsl_ioctl_drawctxt_destroy),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_MAP_USER_MEM,
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kgsl_ioctl_map_user_mem),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SHAREDMEM_FROM_PMEM,
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kgsl_ioctl_map_user_mem),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SHAREDMEM_FREE,
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kgsl_ioctl_sharedmem_free),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SHAREDMEM_FLUSH_CACHE,
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kgsl_ioctl_sharedmem_flush_cache),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUMEM_ALLOC,
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kgsl_ioctl_gpumem_alloc),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_TIMESTAMP_EVENT,
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kgsl_ioctl_timestamp_event),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SETPROPERTY,
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kgsl_ioctl_device_setproperty),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUMEM_ALLOC_ID,
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kgsl_ioctl_gpumem_alloc_id),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUMEM_FREE_ID,
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kgsl_ioctl_gpumem_free_id),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUMEM_GET_INFO,
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kgsl_ioctl_gpumem_get_info),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUMEM_SYNC_CACHE,
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kgsl_ioctl_gpumem_sync_cache),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUMEM_SYNC_CACHE_BULK,
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kgsl_ioctl_gpumem_sync_cache_bulk),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SYNCSOURCE_CREATE,
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kgsl_ioctl_syncsource_create),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SYNCSOURCE_DESTROY,
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kgsl_ioctl_syncsource_destroy),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SYNCSOURCE_CREATE_FENCE,
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kgsl_ioctl_syncsource_create_fence),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SYNCSOURCE_SIGNAL_FENCE,
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kgsl_ioctl_syncsource_signal_fence),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUOBJ_ALLOC,
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kgsl_ioctl_gpuobj_alloc),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUOBJ_FREE,
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kgsl_ioctl_gpuobj_free),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUOBJ_INFO,
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kgsl_ioctl_gpuobj_info),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUOBJ_IMPORT,
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kgsl_ioctl_gpuobj_import),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUOBJ_SYNC,
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kgsl_ioctl_gpuobj_sync),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPU_COMMAND,
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kgsl_ioctl_gpu_command),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUOBJ_SET_INFO,
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kgsl_ioctl_gpuobj_set_info),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SPARSE_PHYS_ALLOC,
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NULL),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SPARSE_PHYS_FREE,
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NULL),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SPARSE_VIRT_ALLOC,
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NULL),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SPARSE_VIRT_FREE,
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NULL),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_SPARSE_BIND,
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NULL),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPU_SPARSE_COMMAND,
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NULL),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPUMEM_BIND_RANGES,
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kgsl_ioctl_gpumem_bind_ranges),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GPU_AUX_COMMAND,
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kgsl_ioctl_gpu_aux_command),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_TIMELINE_CREATE,
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kgsl_ioctl_timeline_create),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_TIMELINE_WAIT,
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kgsl_ioctl_timeline_wait),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_TIMELINE_FENCE_GET,
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kgsl_ioctl_timeline_fence_get),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_TIMELINE_QUERY,
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kgsl_ioctl_timeline_query),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_TIMELINE_SIGNAL,
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kgsl_ioctl_timeline_signal),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_TIMELINE_DESTROY,
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kgsl_ioctl_timeline_destroy),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_GET_FAULT_REPORT,
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kgsl_ioctl_get_fault_report),
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KGSL_IOCTL_FUNC(IOCTL_KGSL_RECURRING_COMMAND,
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kgsl_ioctl_recurring_command),
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};
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long kgsl_ioctl_copy_in(unsigned int kernel_cmd, unsigned int user_cmd,
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unsigned long arg, unsigned char *ptr)
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{
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unsigned int usize = _IOC_SIZE(user_cmd);
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unsigned int ksize = _IOC_SIZE(kernel_cmd);
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unsigned int copy = ksize < usize ? ksize : usize;
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if ((kernel_cmd & IOC_IN) && (user_cmd & IOC_IN)) {
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if (copy > 0 && copy_from_user(ptr, (void __user *) arg, copy))
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return -EFAULT;
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}
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return 0;
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}
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long kgsl_ioctl_copy_out(unsigned int kernel_cmd, unsigned int user_cmd,
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unsigned long arg, unsigned char *ptr)
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{
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unsigned int usize = _IOC_SIZE(user_cmd);
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unsigned int ksize = _IOC_SIZE(kernel_cmd);
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unsigned int copy = ksize < usize ? ksize : usize;
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if ((kernel_cmd & IOC_OUT) && (user_cmd & IOC_OUT)) {
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if (copy > 0 && copy_to_user((void __user *) arg, ptr, copy))
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return -EFAULT;
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}
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return 0;
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}
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long kgsl_ioctl_helper(struct file *filep, unsigned int cmd, unsigned long arg,
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const struct kgsl_ioctl *cmds, int len)
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{
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struct kgsl_device_private *dev_priv = filep->private_data;
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unsigned char data[128] = { 0 };
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unsigned int nr = _IOC_NR(cmd);
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long ret;
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if (nr >= len || cmds[nr].func == NULL)
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return -ENOIOCTLCMD;
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if (_IOC_SIZE(cmds[nr].cmd) > sizeof(data)) {
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dev_err_ratelimited(dev_priv->device->dev,
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"data too big for ioctl 0x%08x: %d/%zu\n",
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cmd, _IOC_SIZE(cmds[nr].cmd), sizeof(data));
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return -EINVAL;
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}
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if (_IOC_SIZE(cmds[nr].cmd)) {
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ret = kgsl_ioctl_copy_in(cmds[nr].cmd, cmd, arg, data);
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if (ret)
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return ret;
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}
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ret = cmds[nr].func(dev_priv, cmd, data);
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if (ret == 0 && _IOC_SIZE(cmds[nr].cmd))
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ret = kgsl_ioctl_copy_out(cmds[nr].cmd, cmd, arg, data);
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return ret;
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}
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long kgsl_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
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{
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struct kgsl_device_private *dev_priv = filep->private_data;
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struct kgsl_device *device = dev_priv->device;
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long ret;
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ret = kgsl_ioctl_helper(filep, cmd, arg, kgsl_ioctl_funcs,
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ARRAY_SIZE(kgsl_ioctl_funcs));
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/*
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* If the command was unrecognized in the generic core, try the device
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* specific function
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*/
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if (ret == -ENOIOCTLCMD) {
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if (is_compat_task())
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return device->ftbl->compat_ioctl(dev_priv, cmd, arg);
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return device->ftbl->ioctl(dev_priv, cmd, arg);
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}
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return ret;
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}
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