/*
- * This confidential and proprietary software may be used only as
- * authorised by a licensing agreement from ARM Limited
- * (C) COPYRIGHT 2010-2013 ARM Limited
- * ALL RIGHTS RESERVED
- * The entire notice above must be reproduced on all authorised
- * copies and copies may only be made to the extent permitted
- * by a licensing agreement from ARM Limited.
+ * Copyright (C) 2010-2015 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained from Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/fs.h> /* file system operations */
#include <asm/uaccess.h> /* user space access */
#include "mali_session.h"
#include "mali_ukk_wrappers.h"
-int profiling_start_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_start_s __user *uargs)
+int profiling_add_event_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_add_event_s __user *uargs)
{
- _mali_uk_profiling_start_s kargs;
+ _mali_uk_profiling_add_event_s kargs;
_mali_osk_errcode_t err;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
- if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_profiling_start_s))) {
+ if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_profiling_add_event_s))) {
return -EFAULT;
}
- kargs.ctx = session_data;
- err = _mali_ukk_profiling_start(&kargs);
+ kargs.ctx = (uintptr_t)session_data;
+ err = _mali_ukk_profiling_add_event(&kargs);
if (_MALI_OSK_ERR_OK != err) {
return map_errcode(err);
}
- if (0 != put_user(kargs.limit, &uargs->limit)) {
- return -EFAULT;
- }
-
return 0;
}
-int profiling_add_event_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_add_event_s __user *uargs)
+int profiling_report_sw_counters_wrapper(struct mali_session_data *session_data, _mali_uk_sw_counters_report_s __user *uargs)
{
- _mali_uk_profiling_add_event_s kargs;
+ _mali_uk_sw_counters_report_s kargs;
_mali_osk_errcode_t err;
+ u32 *counter_buffer;
+ u32 __user *counters;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
- if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_profiling_add_event_s))) {
+ if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_sw_counters_report_s))) {
return -EFAULT;
}
- kargs.ctx = session_data;
- err = _mali_ukk_profiling_add_event(&kargs);
- if (_MALI_OSK_ERR_OK != err) {
- return map_errcode(err);
+ /* make sure that kargs.num_counters is [at least somewhat] sane */
+ if (kargs.num_counters > 10000) {
+ MALI_DEBUG_PRINT(1, ("User space attempted to allocate too many counters.\n"));
+ return -EINVAL;
}
- return 0;
-}
+ counter_buffer = (u32 *)kmalloc(sizeof(u32) * kargs.num_counters, GFP_KERNEL);
+ if (NULL == counter_buffer) {
+ return -ENOMEM;
+ }
-int profiling_stop_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_stop_s __user *uargs)
-{
- _mali_uk_profiling_stop_s kargs;
- _mali_osk_errcode_t err;
+ counters = (u32 *)(uintptr_t)kargs.counters;
- MALI_CHECK_NON_NULL(uargs, -EINVAL);
+ if (0 != copy_from_user(counter_buffer, counters, sizeof(u32) * kargs.num_counters)) {
+ kfree(counter_buffer);
+ return -EFAULT;
+ }
+
+ kargs.ctx = (uintptr_t)session_data;
+ kargs.counters = (uintptr_t)counter_buffer;
+
+ err = _mali_ukk_sw_counters_report(&kargs);
+
+ kfree(counter_buffer);
- kargs.ctx = session_data;
- err = _mali_ukk_profiling_stop(&kargs);
if (_MALI_OSK_ERR_OK != err) {
return map_errcode(err);
}
- if (0 != put_user(kargs.count, &uargs->count)) {
- return -EFAULT;
- }
-
return 0;
}
-int profiling_get_event_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_get_event_s __user *uargs)
+int profiling_get_stream_fd_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_stream_fd_get_s __user *uargs)
{
- _mali_uk_profiling_get_event_s kargs;
+ _mali_uk_profiling_stream_fd_get_s kargs;
_mali_osk_errcode_t err;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
- if (0 != get_user(kargs.index, &uargs->index)) {
+ if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_profiling_stream_fd_get_s))) {
return -EFAULT;
}
- kargs.ctx = session_data;
-
- err = _mali_ukk_profiling_get_event(&kargs);
+ kargs.ctx = (uintptr_t)session_data;
+ err = _mali_ukk_profiling_stream_fd_get(&kargs);
if (_MALI_OSK_ERR_OK != err) {
return map_errcode(err);
}
- kargs.ctx = NULL; /* prevent kernel address to be returned to user space */
- if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_profiling_get_event_s))) {
+ if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_profiling_stream_fd_get_s))) {
return -EFAULT;
}
return 0;
}
-int profiling_clear_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_clear_s __user *uargs)
+int profiling_control_set_wrapper(struct mali_session_data *session_data, _mali_uk_profiling_control_set_s __user *uargs)
{
- _mali_uk_profiling_clear_s kargs;
+ _mali_uk_profiling_control_set_s kargs;
_mali_osk_errcode_t err;
+ u8 *kernel_control_data = NULL;
+ u8 *kernel_response_data = NULL;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
- kargs.ctx = session_data;
- err = _mali_ukk_profiling_clear(&kargs);
- if (_MALI_OSK_ERR_OK != err) {
- return map_errcode(err);
- }
+ if (0 != get_user(kargs.control_packet_size, &uargs->control_packet_size)) return -EFAULT;
+ if (0 != get_user(kargs.response_packet_size, &uargs->response_packet_size)) return -EFAULT;
- return 0;
-}
+ kargs.ctx = (uintptr_t)session_data;
-int profiling_report_sw_counters_wrapper(struct mali_session_data *session_data, _mali_uk_sw_counters_report_s __user *uargs)
-{
- _mali_uk_sw_counters_report_s kargs;
- _mali_osk_errcode_t err;
- u32 *counter_buffer;
+ if (0 != kargs.control_packet_size) {
- MALI_CHECK_NON_NULL(uargs, -EINVAL);
+ kernel_control_data = _mali_osk_calloc(1, kargs.control_packet_size);
+ if (NULL == kernel_control_data) {
+ return -ENOMEM;
+ }
- if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_sw_counters_report_s))) {
- return -EFAULT;
- }
+ MALI_DEBUG_ASSERT(0 != kargs.response_packet_size);
- /* make sure that kargs.num_counters is [at least somewhat] sane */
- if (kargs.num_counters > 10000) {
- MALI_DEBUG_PRINT(1, ("User space attempted to allocate too many counters.\n"));
- return -EINVAL;
- }
+ kernel_response_data = _mali_osk_calloc(1, kargs.response_packet_size);
+ if (NULL == kernel_response_data) {
+ _mali_osk_free(kernel_control_data);
+ return -ENOMEM;
+ }
- counter_buffer = (u32*)kmalloc(sizeof(u32) * kargs.num_counters, GFP_KERNEL);
- if (NULL == counter_buffer) {
- return -ENOMEM;
- }
+ kargs.control_packet_data = (uintptr_t)kernel_control_data;
+ kargs.response_packet_data = (uintptr_t)kernel_response_data;
- if (0 != copy_from_user(counter_buffer, kargs.counters, sizeof(u32) * kargs.num_counters)) {
- kfree(counter_buffer);
- return -EFAULT;
- }
+ if (0 != copy_from_user((void *)(uintptr_t)kernel_control_data, (void *)(uintptr_t)uargs->control_packet_data, kargs.control_packet_size)) {
+ _mali_osk_free(kernel_control_data);
+ _mali_osk_free(kernel_response_data);
+ return -EFAULT;
+ }
- kargs.ctx = session_data;
- kargs.counters = counter_buffer;
+ err = _mali_ukk_profiling_control_set(&kargs);
+ if (_MALI_OSK_ERR_OK != err) {
+ _mali_osk_free(kernel_control_data);
+ _mali_osk_free(kernel_response_data);
+ return map_errcode(err);
+ }
- err = _mali_ukk_sw_counters_report(&kargs);
+ if (0 != kargs.response_packet_size && 0 != copy_to_user(((void *)(uintptr_t)uargs->response_packet_data), ((void *)(uintptr_t)kargs.response_packet_data), kargs.response_packet_size)) {
+ _mali_osk_free(kernel_control_data);
+ _mali_osk_free(kernel_response_data);
+ return -EFAULT;
+ }
- kfree(counter_buffer);
+ if (0 != put_user(kargs.response_packet_size, &uargs->response_packet_size)) {
+ _mali_osk_free(kernel_control_data);
+ _mali_osk_free(kernel_response_data);
+ return -EFAULT;
+ }
- if (_MALI_OSK_ERR_OK != err) {
- return map_errcode(err);
- }
+ _mali_osk_free(kernel_control_data);
+ _mali_osk_free(kernel_response_data);
+ } else {
+ err = _mali_ukk_profiling_control_set(&kargs);
+ if (_MALI_OSK_ERR_OK != err) {
+ return map_errcode(err);
+ }
+
+ }
return 0;
}
-
-
projects / firefly-linux-kernel-4.4.55.git / blobdiff