Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1 | /*Qualcomm Secure Execution Environment Communicator (QSEECOM) driver |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2 | * |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 3 | * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved. |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 and |
| 7 | * only version 2 as published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | */ |
| 14 | |
| 15 | #define pr_fmt(fmt) "QSEECOM: %s: " fmt, __func__ |
| 16 | |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/slab.h> |
| 19 | #include <linux/module.h> |
| 20 | #include <linux/fs.h> |
| 21 | #include <linux/platform_device.h> |
| 22 | #include <linux/debugfs.h> |
| 23 | #include <linux/cdev.h> |
| 24 | #include <linux/uaccess.h> |
| 25 | #include <linux/sched.h> |
| 26 | #include <linux/list.h> |
| 27 | #include <linux/mutex.h> |
| 28 | #include <linux/io.h> |
Mitchel Humpherys | 4f8be2e | 2012-09-06 10:41:41 -0700 | [diff] [blame] | 29 | #include <linux/msm_ion.h> |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 30 | #include <linux/types.h> |
| 31 | #include <linux/clk.h> |
| 32 | #include <linux/qseecom.h> |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 33 | #include <linux/elf.h> |
| 34 | #include <linux/firmware.h> |
Mona Hossain | acea102 | 2012-04-09 13:37:27 -0700 | [diff] [blame] | 35 | #include <linux/freezer.h> |
Mona Hossain | f1f2ed6 | 2012-11-15 19:51:33 -0800 | [diff] [blame] | 36 | #include <linux/scatterlist.h> |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 37 | #include <mach/board.h> |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 38 | #include <mach/msm_bus.h> |
| 39 | #include <mach/msm_bus_board.h> |
| 40 | #include <mach/scm.h> |
Stephen Boyd | 77db8bb | 2012-06-27 15:15:16 -0700 | [diff] [blame] | 41 | #include <mach/subsystem_restart.h> |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 42 | #include <mach/socinfo.h> |
Mona Hossain | 803c3d9 | 2012-11-21 13:33:42 -0800 | [diff] [blame] | 43 | #include <mach/qseecomi.h> |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 44 | #include <asm/cacheflush.h> |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 45 | #include "qseecom_legacy.h" |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 46 | #include "qseecom_kernel.h" |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 47 | |
| 48 | #define QSEECOM_DEV "qseecom" |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 49 | #define QSEOS_VERSION_14 0x14 |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 50 | #define QSEEE_VERSION_00 0x400000 |
Mona Hossain | 5b76a62 | 2012-11-15 20:09:08 -0800 | [diff] [blame] | 51 | #define QSEE_VERSION_01 0x401000 |
| 52 | #define QSEE_VERSION_02 0x402000 |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 53 | #define QSEE_VERSION_03 0x403000 |
Amir Samuelov | d1fc741 | 2013-03-10 16:56:13 +0200 | [diff] [blame] | 54 | #define QSEE_VERSION_04 0x404000 |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 55 | #define QSEE_VERSION_05 0x405000 |
| 56 | |
Mona Hossain | 5b76a62 | 2012-11-15 20:09:08 -0800 | [diff] [blame] | 57 | |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 58 | |
| 59 | #define QSEOS_CHECK_VERSION_CMD 0x00001803 |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 60 | |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 61 | #define QSEE_CE_CLK_100MHZ 100000000 |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 62 | |
Mona Hossain | 13dd892 | 2013-01-03 06:11:09 -0800 | [diff] [blame] | 63 | #define QSEECOM_MAX_SG_ENTRY 512 |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 64 | #define QSEECOM_DISK_ENCRYTPION_KEY_ID 0 |
Mona Hossain | f1f2ed6 | 2012-11-15 19:51:33 -0800 | [diff] [blame] | 65 | |
Amir Samuelov | d1fc741 | 2013-03-10 16:56:13 +0200 | [diff] [blame] | 66 | /* Save partition image hash for authentication check */ |
| 67 | #define SCM_SAVE_PARTITION_HASH_ID 0x01 |
| 68 | |
| 69 | /* Check if enterprise security is activate */ |
| 70 | #define SCM_IS_ACTIVATED_ID 0x02 |
| 71 | |
Zhen Kong | 7812dc1 | 2013-07-09 17:12:55 -0700 | [diff] [blame] | 72 | #define RPMB_SERVICE 0x2000 |
| 73 | |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 74 | #define QSEECOM_SEND_CMD_CRYPTO_TIMEOUT 2000 |
| 75 | #define QSEECOM_LOAD_APP_CRYPTO_TIMEOUT 2000 |
| 76 | |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 77 | enum qseecom_clk_definitions { |
| 78 | CLK_DFAB = 0, |
| 79 | CLK_SFPB, |
| 80 | }; |
| 81 | |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 82 | enum qseecom_client_handle_type { |
AnilKumar Chimata | f732bbe | 2013-07-24 00:44:09 +0530 | [diff] [blame] | 83 | QSEECOM_CLIENT_APP = 1, |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 84 | QSEECOM_LISTENER_SERVICE, |
| 85 | QSEECOM_SECURE_SERVICE, |
| 86 | QSEECOM_GENERIC, |
AnilKumar Chimata | f732bbe | 2013-07-24 00:44:09 +0530 | [diff] [blame] | 87 | QSEECOM_UNAVAILABLE_CLIENT_APP, |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 88 | }; |
| 89 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 90 | enum qseecom_ce_hw_instance { |
| 91 | CLK_QSEE = 0, |
| 92 | CLK_CE_DRV, |
| 93 | }; |
| 94 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 95 | static struct class *driver_class; |
| 96 | static dev_t qseecom_device_no; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 97 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 98 | static DEFINE_MUTEX(qsee_bw_mutex); |
| 99 | static DEFINE_MUTEX(app_access_lock); |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 100 | static DEFINE_MUTEX(clk_access_lock); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 101 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 102 | struct qseecom_registered_listener_list { |
| 103 | struct list_head list; |
| 104 | struct qseecom_register_listener_req svc; |
Zhen Kong | f494819 | 2013-11-25 13:05:35 -0800 | [diff] [blame] | 105 | uint32_t user_virt_sb_base; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 106 | u8 *sb_virt; |
| 107 | s32 sb_phys; |
| 108 | size_t sb_length; |
| 109 | struct ion_handle *ihandle; /* Retrieve phy addr */ |
| 110 | |
| 111 | wait_queue_head_t rcv_req_wq; |
| 112 | int rcv_req_flag; |
| 113 | }; |
| 114 | |
| 115 | struct qseecom_registered_app_list { |
| 116 | struct list_head list; |
| 117 | u32 app_id; |
| 118 | u32 ref_cnt; |
| 119 | }; |
| 120 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 121 | struct qseecom_registered_kclient_list { |
| 122 | struct list_head list; |
| 123 | struct qseecom_handle *handle; |
| 124 | }; |
| 125 | |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 126 | struct ce_hw_usage_info { |
| 127 | uint32_t qsee_ce_hw_instance; |
| 128 | uint32_t hlos_ce_hw_instance; |
| 129 | uint32_t disk_encrypt_pipe; |
| 130 | }; |
| 131 | |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 132 | struct qseecom_clk { |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 133 | enum qseecom_ce_hw_instance instance; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 134 | struct clk *ce_core_clk; |
| 135 | struct clk *ce_clk; |
| 136 | struct clk *ce_core_src_clk; |
| 137 | struct clk *ce_bus_clk; |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 138 | uint32_t clk_access_cnt; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 139 | }; |
| 140 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 141 | struct qseecom_control { |
| 142 | struct ion_client *ion_clnt; /* Ion client */ |
| 143 | struct list_head registered_listener_list_head; |
| 144 | spinlock_t registered_listener_list_lock; |
| 145 | |
| 146 | struct list_head registered_app_list_head; |
| 147 | spinlock_t registered_app_list_lock; |
| 148 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 149 | struct list_head registered_kclient_list_head; |
| 150 | spinlock_t registered_kclient_list_lock; |
| 151 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 152 | wait_queue_head_t send_resp_wq; |
| 153 | int send_resp_flag; |
| 154 | |
| 155 | uint32_t qseos_version; |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 156 | uint32_t qsee_version; |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 157 | struct device *pdev; |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 158 | bool commonlib_loaded; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 159 | struct ce_hw_usage_info ce_info; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 160 | |
| 161 | int qsee_bw_count; |
| 162 | int qsee_sfpb_bw_count; |
| 163 | |
| 164 | uint32_t qsee_perf_client; |
| 165 | struct qseecom_clk qsee; |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 166 | struct qseecom_clk ce_drv; |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 167 | |
| 168 | bool support_bus_scaling; |
| 169 | uint32_t cumulative_mode; |
| 170 | enum qseecom_bandwidth_request_mode current_mode; |
| 171 | struct timer_list bw_scale_down_timer; |
| 172 | struct work_struct bw_inactive_req_ws; |
Zhen Kong | ea5d4bb | 2014-02-18 14:59:53 -0800 | [diff] [blame] | 173 | struct cdev cdev; |
| 174 | bool timer_running; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 175 | }; |
| 176 | |
| 177 | struct qseecom_client_handle { |
| 178 | u32 app_id; |
| 179 | u8 *sb_virt; |
| 180 | s32 sb_phys; |
| 181 | uint32_t user_virt_sb_base; |
| 182 | size_t sb_length; |
| 183 | struct ion_handle *ihandle; /* Retrieve phy addr */ |
| 184 | }; |
| 185 | |
| 186 | struct qseecom_listener_handle { |
| 187 | u32 id; |
| 188 | }; |
| 189 | |
| 190 | static struct qseecom_control qseecom; |
| 191 | |
| 192 | struct qseecom_dev_handle { |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 193 | enum qseecom_client_handle_type type; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 194 | union { |
| 195 | struct qseecom_client_handle client; |
| 196 | struct qseecom_listener_handle listener; |
| 197 | }; |
| 198 | bool released; |
| 199 | int abort; |
| 200 | wait_queue_head_t abort_wq; |
| 201 | atomic_t ioctl_count; |
Mona Hossain | c9c83c7 | 2013-04-11 12:43:48 -0700 | [diff] [blame] | 202 | bool perf_enabled; |
| 203 | bool fast_load_enabled; |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 204 | enum qseecom_bandwidth_request_mode mode; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 205 | }; |
| 206 | |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 207 | enum qseecom_set_clear_key_flag { |
| 208 | QSEECOM_CLEAR_CE_KEY_CMD = 0, |
| 209 | QSEECOM_SET_CE_KEY_CMD, |
| 210 | }; |
| 211 | |
| 212 | struct qseecom_set_key_parameter { |
| 213 | uint32_t ce_hw; |
| 214 | uint32_t pipe; |
| 215 | uint32_t flags; |
| 216 | uint8_t key_id[QSEECOM_KEY_ID_SIZE]; |
| 217 | unsigned char hash32[QSEECOM_HASH_SIZE]; |
| 218 | enum qseecom_set_clear_key_flag set_clear_key_flag; |
| 219 | }; |
| 220 | |
Mona Hossain | f1f2ed6 | 2012-11-15 19:51:33 -0800 | [diff] [blame] | 221 | struct qseecom_sg_entry { |
| 222 | uint32_t phys_addr; |
| 223 | uint32_t len; |
| 224 | }; |
| 225 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 226 | uint8_t *key_id_array[QSEECOM_KEY_ID_SIZE] = { |
| 227 | "Disk Encryption" |
| 228 | }; |
| 229 | |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 230 | /* Function proto types */ |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 231 | static int qsee_vote_for_clock(struct qseecom_dev_handle *, int32_t); |
| 232 | static void qsee_disable_clock_vote(struct qseecom_dev_handle *, int32_t); |
Zhen Kong | 7812dc1 | 2013-07-09 17:12:55 -0700 | [diff] [blame] | 233 | static int __qseecom_enable_clk(enum qseecom_ce_hw_instance ce); |
| 234 | static void __qseecom_disable_clk(enum qseecom_ce_hw_instance ce); |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 235 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 236 | static int __qseecom_is_svc_unique(struct qseecom_dev_handle *data, |
Mona Hossain | 0af10ab | 2012-02-28 18:26:41 -0800 | [diff] [blame] | 237 | struct qseecom_register_listener_req *svc) |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 238 | { |
| 239 | struct qseecom_registered_listener_list *ptr; |
| 240 | int unique = 1; |
| 241 | unsigned long flags; |
| 242 | |
| 243 | spin_lock_irqsave(&qseecom.registered_listener_list_lock, flags); |
| 244 | list_for_each_entry(ptr, &qseecom.registered_listener_list_head, list) { |
Mona Hossain | 0af10ab | 2012-02-28 18:26:41 -0800 | [diff] [blame] | 245 | if (ptr->svc.listener_id == svc->listener_id) { |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 246 | pr_err("Service id: %u is already registered\n", |
| 247 | ptr->svc.listener_id); |
| 248 | unique = 0; |
| 249 | break; |
| 250 | } |
| 251 | } |
| 252 | spin_unlock_irqrestore(&qseecom.registered_listener_list_lock, flags); |
| 253 | return unique; |
| 254 | } |
| 255 | |
| 256 | static struct qseecom_registered_listener_list *__qseecom_find_svc( |
| 257 | int32_t listener_id) |
| 258 | { |
| 259 | struct qseecom_registered_listener_list *entry = NULL; |
| 260 | unsigned long flags; |
| 261 | |
| 262 | spin_lock_irqsave(&qseecom.registered_listener_list_lock, flags); |
| 263 | list_for_each_entry(entry, &qseecom.registered_listener_list_head, list) |
| 264 | { |
| 265 | if (entry->svc.listener_id == listener_id) |
| 266 | break; |
| 267 | } |
| 268 | spin_unlock_irqrestore(&qseecom.registered_listener_list_lock, flags); |
AnilKumar Chimata | 69b857a | 2013-07-23 23:03:26 +0530 | [diff] [blame] | 269 | |
| 270 | if ((entry != NULL) && (entry->svc.listener_id != listener_id)) { |
| 271 | pr_err("Service id: %u is not found\n", listener_id); |
| 272 | return NULL; |
| 273 | } |
| 274 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 275 | return entry; |
| 276 | } |
| 277 | |
| 278 | static int __qseecom_set_sb_memory(struct qseecom_registered_listener_list *svc, |
| 279 | struct qseecom_dev_handle *handle, |
| 280 | struct qseecom_register_listener_req *listener) |
| 281 | { |
| 282 | int ret = 0; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 283 | struct qseecom_register_listener_ireq req; |
| 284 | struct qseecom_command_scm_resp resp; |
| 285 | ion_phys_addr_t pa; |
| 286 | |
| 287 | /* Get the handle of the shared fd */ |
Laura Abbott | b14ed96 | 2012-01-30 14:18:08 -0800 | [diff] [blame] | 288 | svc->ihandle = ion_import_dma_buf(qseecom.ion_clnt, |
| 289 | listener->ifd_data_fd); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 290 | if (svc->ihandle == NULL) { |
| 291 | pr_err("Ion client could not retrieve the handle\n"); |
| 292 | return -ENOMEM; |
| 293 | } |
| 294 | |
| 295 | /* Get the physical address of the ION BUF */ |
| 296 | ret = ion_phys(qseecom.ion_clnt, svc->ihandle, &pa, &svc->sb_length); |
| 297 | |
| 298 | /* Populate the structure for sending scm call to load image */ |
Mitchel Humpherys | 911b4b7 | 2012-09-12 14:42:50 -0700 | [diff] [blame] | 299 | svc->sb_virt = (char *) ion_map_kernel(qseecom.ion_clnt, svc->ihandle); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 300 | svc->sb_phys = pa; |
| 301 | |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 302 | req.qsee_cmd_id = QSEOS_REGISTER_LISTENER; |
| 303 | req.listener_id = svc->svc.listener_id; |
| 304 | req.sb_len = svc->sb_length; |
| 305 | req.sb_ptr = (void *)svc->sb_phys; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 306 | |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 307 | resp.result = QSEOS_RESULT_INCOMPLETE; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 308 | |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 309 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, &req, |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 310 | sizeof(req), &resp, sizeof(resp)); |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 311 | if (ret) { |
| 312 | pr_err("qseecom_scm_call failed with err: %d\n", ret); |
| 313 | return -EINVAL; |
| 314 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 315 | |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 316 | if (resp.result != QSEOS_RESULT_SUCCESS) { |
| 317 | pr_err("Error SB registration req: resp.result = %d\n", |
| 318 | resp.result); |
| 319 | return -EPERM; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 320 | } |
| 321 | return 0; |
| 322 | } |
| 323 | |
| 324 | static int qseecom_register_listener(struct qseecom_dev_handle *data, |
| 325 | void __user *argp) |
| 326 | { |
| 327 | int ret = 0; |
| 328 | unsigned long flags; |
| 329 | struct qseecom_register_listener_req rcvd_lstnr; |
| 330 | struct qseecom_registered_listener_list *new_entry; |
| 331 | |
| 332 | ret = copy_from_user(&rcvd_lstnr, argp, sizeof(rcvd_lstnr)); |
| 333 | if (ret) { |
| 334 | pr_err("copy_from_user failed\n"); |
| 335 | return ret; |
| 336 | } |
Zhen Kong | f494819 | 2013-11-25 13:05:35 -0800 | [diff] [blame] | 337 | if (!access_ok(VERIFY_WRITE, (void __user *)rcvd_lstnr.virt_sb_base, |
| 338 | rcvd_lstnr.sb_size)) |
| 339 | return -EFAULT; |
| 340 | |
Mona Hossain | 0af10ab | 2012-02-28 18:26:41 -0800 | [diff] [blame] | 341 | data->listener.id = 0; |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 342 | data->type = QSEECOM_LISTENER_SERVICE; |
Mona Hossain | 0af10ab | 2012-02-28 18:26:41 -0800 | [diff] [blame] | 343 | if (!__qseecom_is_svc_unique(data, &rcvd_lstnr)) { |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 344 | pr_err("Service is not unique and is already registered\n"); |
Mona Hossain | 0af10ab | 2012-02-28 18:26:41 -0800 | [diff] [blame] | 345 | data->released = true; |
| 346 | return -EBUSY; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | new_entry = kmalloc(sizeof(*new_entry), GFP_KERNEL); |
| 350 | if (!new_entry) { |
| 351 | pr_err("kmalloc failed\n"); |
| 352 | return -ENOMEM; |
| 353 | } |
| 354 | memcpy(&new_entry->svc, &rcvd_lstnr, sizeof(rcvd_lstnr)); |
| 355 | new_entry->rcv_req_flag = 0; |
| 356 | |
| 357 | new_entry->svc.listener_id = rcvd_lstnr.listener_id; |
| 358 | new_entry->sb_length = rcvd_lstnr.sb_size; |
Zhen Kong | f494819 | 2013-11-25 13:05:35 -0800 | [diff] [blame] | 359 | new_entry->user_virt_sb_base = rcvd_lstnr.virt_sb_base; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 360 | if (__qseecom_set_sb_memory(new_entry, data, &rcvd_lstnr)) { |
| 361 | pr_err("qseecom_set_sb_memoryfailed\n"); |
| 362 | kzfree(new_entry); |
| 363 | return -ENOMEM; |
| 364 | } |
Mona Hossain | 0af10ab | 2012-02-28 18:26:41 -0800 | [diff] [blame] | 365 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 366 | data->listener.id = rcvd_lstnr.listener_id; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 367 | init_waitqueue_head(&new_entry->rcv_req_wq); |
| 368 | |
| 369 | spin_lock_irqsave(&qseecom.registered_listener_list_lock, flags); |
| 370 | list_add_tail(&new_entry->list, &qseecom.registered_listener_list_head); |
| 371 | spin_unlock_irqrestore(&qseecom.registered_listener_list_lock, flags); |
Mona Hossain | 0af10ab | 2012-02-28 18:26:41 -0800 | [diff] [blame] | 372 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 373 | return ret; |
| 374 | } |
| 375 | |
| 376 | static int qseecom_unregister_listener(struct qseecom_dev_handle *data) |
| 377 | { |
| 378 | int ret = 0; |
| 379 | unsigned long flags; |
| 380 | uint32_t unmap_mem = 0; |
| 381 | struct qseecom_register_listener_ireq req; |
| 382 | struct qseecom_registered_listener_list *ptr_svc = NULL; |
| 383 | struct qseecom_command_scm_resp resp; |
| 384 | struct ion_handle *ihandle = NULL; /* Retrieve phy addr */ |
| 385 | |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 386 | req.qsee_cmd_id = QSEOS_DEREGISTER_LISTENER; |
| 387 | req.listener_id = data->listener.id; |
| 388 | resp.result = QSEOS_RESULT_INCOMPLETE; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 389 | |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 390 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, &req, |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 391 | sizeof(req), &resp, sizeof(resp)); |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 392 | if (ret) { |
| 393 | pr_err("scm_call() failed with err: %d (lstnr id=%d)\n", |
| 394 | ret, data->listener.id); |
| 395 | return ret; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 396 | } |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 397 | |
| 398 | if (resp.result != QSEOS_RESULT_SUCCESS) { |
| 399 | pr_err("Failed resp.result=%d,(lstnr id=%d)\n", |
| 400 | resp.result, data->listener.id); |
| 401 | return -EPERM; |
| 402 | } |
| 403 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 404 | data->abort = 1; |
| 405 | spin_lock_irqsave(&qseecom.registered_listener_list_lock, flags); |
| 406 | list_for_each_entry(ptr_svc, &qseecom.registered_listener_list_head, |
| 407 | list) { |
| 408 | if (ptr_svc->svc.listener_id == data->listener.id) { |
| 409 | wake_up_all(&ptr_svc->rcv_req_wq); |
| 410 | break; |
| 411 | } |
| 412 | } |
| 413 | spin_unlock_irqrestore(&qseecom.registered_listener_list_lock, flags); |
| 414 | |
| 415 | while (atomic_read(&data->ioctl_count) > 1) { |
Mona Hossain | acea102 | 2012-04-09 13:37:27 -0700 | [diff] [blame] | 416 | if (wait_event_freezable(data->abort_wq, |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 417 | atomic_read(&data->ioctl_count) <= 1)) { |
| 418 | pr_err("Interrupted from abort\n"); |
| 419 | ret = -ERESTARTSYS; |
| 420 | break; |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | spin_lock_irqsave(&qseecom.registered_listener_list_lock, flags); |
| 425 | list_for_each_entry(ptr_svc, |
| 426 | &qseecom.registered_listener_list_head, |
| 427 | list) |
| 428 | { |
| 429 | if (ptr_svc->svc.listener_id == data->listener.id) { |
| 430 | if (ptr_svc->sb_virt) { |
| 431 | unmap_mem = 1; |
| 432 | ihandle = ptr_svc->ihandle; |
| 433 | } |
| 434 | list_del(&ptr_svc->list); |
| 435 | kzfree(ptr_svc); |
| 436 | break; |
| 437 | } |
| 438 | } |
| 439 | spin_unlock_irqrestore(&qseecom.registered_listener_list_lock, flags); |
| 440 | |
| 441 | /* Unmap the memory */ |
| 442 | if (unmap_mem) { |
| 443 | if (!IS_ERR_OR_NULL(ihandle)) { |
| 444 | ion_unmap_kernel(qseecom.ion_clnt, ihandle); |
| 445 | ion_free(qseecom.ion_clnt, ihandle); |
| 446 | } |
| 447 | } |
| 448 | data->released = true; |
| 449 | return ret; |
| 450 | } |
| 451 | |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 452 | static int __qseecom_set_msm_bus_request(uint32_t mode) |
| 453 | { |
| 454 | int ret = 0; |
| 455 | struct qseecom_clk *qclk; |
| 456 | |
| 457 | qclk = &qseecom.qsee; |
| 458 | if (qclk->ce_core_src_clk != NULL) { |
| 459 | if (mode == INACTIVE) { |
| 460 | __qseecom_disable_clk(CLK_QSEE); |
| 461 | } else { |
| 462 | ret = __qseecom_enable_clk(CLK_QSEE); |
| 463 | if (ret) |
| 464 | pr_err("CLK enabling failed (%d) MODE (%d)\n", |
| 465 | ret, mode); |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | if ((!ret) && (qseecom.current_mode != mode)) { |
| 470 | ret = msm_bus_scale_client_update_request( |
| 471 | qseecom.qsee_perf_client, mode); |
| 472 | if (ret) { |
| 473 | pr_err("Bandwidth req failed(%d) MODE (%d)\n", |
| 474 | ret, mode); |
| 475 | if (qclk->ce_core_src_clk != NULL) { |
| 476 | if (mode == INACTIVE) |
| 477 | __qseecom_enable_clk(CLK_QSEE); |
| 478 | else |
| 479 | __qseecom_disable_clk(CLK_QSEE); |
| 480 | } |
| 481 | } |
| 482 | qseecom.current_mode = mode; |
| 483 | } |
| 484 | return ret; |
| 485 | } |
| 486 | |
| 487 | static void qseecom_bw_inactive_req_work(struct work_struct *work) |
| 488 | { |
| 489 | mutex_lock(&app_access_lock); |
| 490 | mutex_lock(&qsee_bw_mutex); |
| 491 | __qseecom_set_msm_bus_request(INACTIVE); |
| 492 | pr_debug("current_mode = %d, cumulative_mode = %d\n", |
| 493 | qseecom.current_mode, qseecom.cumulative_mode); |
Zhen Kong | ea5d4bb | 2014-02-18 14:59:53 -0800 | [diff] [blame] | 494 | qseecom.timer_running = false; |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 495 | mutex_unlock(&qsee_bw_mutex); |
| 496 | mutex_unlock(&app_access_lock); |
| 497 | return; |
| 498 | } |
| 499 | |
| 500 | static void qseecom_scale_bus_bandwidth_timer_callback(unsigned long data) |
| 501 | { |
| 502 | schedule_work(&qseecom.bw_inactive_req_ws); |
| 503 | return; |
| 504 | } |
| 505 | |
Zhen Kong | ea5d4bb | 2014-02-18 14:59:53 -0800 | [diff] [blame] | 506 | static void __qseecom_decrease_clk_ref_count(enum qseecom_ce_hw_instance ce) |
| 507 | { |
| 508 | struct qseecom_clk *qclk; |
| 509 | mutex_lock(&clk_access_lock); |
| 510 | if (ce == CLK_QSEE) |
| 511 | qclk = &qseecom.qsee; |
| 512 | else |
| 513 | qclk = &qseecom.ce_drv; |
| 514 | |
| 515 | if (qclk->clk_access_cnt == 0) { |
| 516 | mutex_unlock(&clk_access_lock); |
| 517 | return; |
| 518 | } |
| 519 | qclk->clk_access_cnt--; |
| 520 | mutex_unlock(&clk_access_lock); |
| 521 | return; |
| 522 | } |
| 523 | |
| 524 | |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 525 | static int qseecom_scale_bus_bandwidth_timer(uint32_t mode, uint32_t duration) |
| 526 | { |
| 527 | int32_t ret = 0; |
| 528 | int32_t request_mode = INACTIVE; |
| 529 | |
| 530 | mutex_lock(&qsee_bw_mutex); |
| 531 | if (mode == 0) { |
| 532 | if (qseecom.cumulative_mode > MEDIUM) |
| 533 | request_mode = HIGH; |
| 534 | else |
| 535 | request_mode = qseecom.cumulative_mode; |
| 536 | } else { |
| 537 | request_mode = mode; |
| 538 | } |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 539 | |
Zhen Kong | ea5d4bb | 2014-02-18 14:59:53 -0800 | [diff] [blame] | 540 | __qseecom_set_msm_bus_request(request_mode); |
| 541 | if (qseecom.timer_running) { |
| 542 | __qseecom_decrease_clk_ref_count(CLK_QSEE); |
| 543 | del_timer_sync(&(qseecom.bw_scale_down_timer)); |
| 544 | } |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 545 | mutex_unlock(&qsee_bw_mutex); |
| 546 | return ret; |
| 547 | } |
| 548 | |
| 549 | |
| 550 | static int qseecom_unregister_bus_bandwidth_needs( |
| 551 | struct qseecom_dev_handle *data) |
| 552 | { |
| 553 | int32_t ret = 0; |
| 554 | |
| 555 | qseecom.cumulative_mode -= data->mode; |
| 556 | data->mode = INACTIVE; |
| 557 | |
| 558 | return ret; |
| 559 | } |
| 560 | |
| 561 | static int __qseecom_register_bus_bandwidth_needs( |
| 562 | struct qseecom_dev_handle *data, uint32_t request_mode) |
| 563 | { |
| 564 | int32_t ret = 0; |
| 565 | |
| 566 | if (data->mode == INACTIVE) { |
| 567 | qseecom.cumulative_mode += request_mode; |
| 568 | data->mode = request_mode; |
| 569 | } else { |
| 570 | if (data->mode != request_mode) { |
| 571 | qseecom.cumulative_mode -= data->mode; |
| 572 | qseecom.cumulative_mode += request_mode; |
| 573 | data->mode = request_mode; |
| 574 | } |
| 575 | } |
| 576 | return ret; |
| 577 | } |
| 578 | |
| 579 | static int qseecom_scale_bus_bandwidth(struct qseecom_dev_handle *data, |
| 580 | void __user *argp) |
| 581 | { |
| 582 | int32_t ret = 0; |
| 583 | int32_t req_mode; |
| 584 | |
| 585 | ret = copy_from_user(&req_mode, argp, sizeof(req_mode)); |
| 586 | if (ret) { |
| 587 | pr_err("copy_from_user failed\n"); |
| 588 | return ret; |
| 589 | } |
| 590 | if (req_mode > HIGH) { |
| 591 | pr_err("Invalid bandwidth mode (%d)\n", req_mode); |
| 592 | return ret; |
| 593 | } |
| 594 | mutex_lock(&qsee_bw_mutex); |
| 595 | ret = __qseecom_register_bus_bandwidth_needs(data, req_mode); |
| 596 | mutex_unlock(&qsee_bw_mutex); |
| 597 | |
| 598 | return ret; |
| 599 | } |
| 600 | |
| 601 | static void __qseecom_disable_clk_scale_down(struct qseecom_dev_handle *data) |
| 602 | { |
| 603 | if (!qseecom.support_bus_scaling) |
| 604 | qsee_disable_clock_vote(data, CLK_SFPB); |
Zhen Kong | 06418b7 | 2014-02-05 17:36:23 -0800 | [diff] [blame] | 605 | else { |
| 606 | mutex_lock(&qsee_bw_mutex); |
| 607 | qseecom.bw_scale_down_timer.expires = jiffies + |
| 608 | msecs_to_jiffies(QSEECOM_LOAD_APP_CRYPTO_TIMEOUT); |
| 609 | add_timer(&(qseecom.bw_scale_down_timer)); |
| 610 | qseecom.timer_running = true; |
| 611 | mutex_unlock(&qsee_bw_mutex); |
| 612 | } |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 613 | return; |
| 614 | } |
| 615 | |
| 616 | static int __qseecom_enable_clk_scale_up(struct qseecom_dev_handle *data) |
| 617 | { |
| 618 | int ret = 0; |
| 619 | if (qseecom.support_bus_scaling) { |
| 620 | qseecom_scale_bus_bandwidth_timer( |
| 621 | MEDIUM, QSEECOM_LOAD_APP_CRYPTO_TIMEOUT); |
| 622 | } else { |
| 623 | ret = qsee_vote_for_clock(data, CLK_SFPB); |
| 624 | if (ret) |
| 625 | pr_err("Fail vote for clk SFPB ret %d\n", ret); |
| 626 | } |
| 627 | return ret; |
| 628 | } |
| 629 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 630 | static int qseecom_set_client_mem_param(struct qseecom_dev_handle *data, |
| 631 | void __user *argp) |
| 632 | { |
| 633 | ion_phys_addr_t pa; |
| 634 | int32_t ret; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 635 | struct qseecom_set_sb_mem_param_req req; |
| 636 | uint32_t len; |
| 637 | |
| 638 | /* Copy the relevant information needed for loading the image */ |
Hariprasad Dhalinarasimha | e201495 | 2013-10-01 18:25:21 -0700 | [diff] [blame] | 639 | if (copy_from_user(&req, (void __user *)argp, sizeof(req))) |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 640 | return -EFAULT; |
| 641 | |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 642 | if ((req.ifd_data_fd <= 0) || (req.virt_sb_base == 0) || |
| 643 | (req.sb_len == 0)) { |
| 644 | pr_err("Inavlid input(s)ion_fd(%d), sb_len(%d), vaddr(0x%x)\n", |
| 645 | req.ifd_data_fd, req.sb_len, req.virt_sb_base); |
| 646 | return -EFAULT; |
| 647 | } |
Zhen Kong | f494819 | 2013-11-25 13:05:35 -0800 | [diff] [blame] | 648 | if (!access_ok(VERIFY_WRITE, (void __user *)req.virt_sb_base, |
| 649 | req.sb_len)) |
| 650 | return -EFAULT; |
| 651 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 652 | /* Get the handle of the shared fd */ |
Laura Abbott | b14ed96 | 2012-01-30 14:18:08 -0800 | [diff] [blame] | 653 | data->client.ihandle = ion_import_dma_buf(qseecom.ion_clnt, |
| 654 | req.ifd_data_fd); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 655 | if (IS_ERR_OR_NULL(data->client.ihandle)) { |
| 656 | pr_err("Ion client could not retrieve the handle\n"); |
| 657 | return -ENOMEM; |
| 658 | } |
| 659 | /* Get the physical address of the ION BUF */ |
| 660 | ret = ion_phys(qseecom.ion_clnt, data->client.ihandle, &pa, &len); |
| 661 | /* Populate the structure for sending scm call to load image */ |
| 662 | data->client.sb_virt = (char *) ion_map_kernel(qseecom.ion_clnt, |
Mitchel Humpherys | 911b4b7 | 2012-09-12 14:42:50 -0700 | [diff] [blame] | 663 | data->client.ihandle); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 664 | data->client.sb_phys = pa; |
| 665 | data->client.sb_length = req.sb_len; |
| 666 | data->client.user_virt_sb_base = req.virt_sb_base; |
| 667 | return 0; |
| 668 | } |
| 669 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 670 | static int __qseecom_listener_has_sent_rsp(struct qseecom_dev_handle *data) |
| 671 | { |
| 672 | int ret; |
| 673 | ret = (qseecom.send_resp_flag != 0); |
| 674 | return ret || data->abort; |
| 675 | } |
| 676 | |
| 677 | static int __qseecom_process_incomplete_cmd(struct qseecom_dev_handle *data, |
| 678 | struct qseecom_command_scm_resp *resp) |
| 679 | { |
| 680 | int ret = 0; |
Mona Hossain | 0b3a279 | 2013-02-05 17:38:55 -0800 | [diff] [blame] | 681 | int rc = 0; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 682 | uint32_t lstnr; |
| 683 | unsigned long flags; |
| 684 | struct qseecom_client_listener_data_irsp send_data_rsp; |
| 685 | struct qseecom_registered_listener_list *ptr_svc = NULL; |
Mona Hossain | 91da2c5 | 2013-03-29 17:28:31 -0700 | [diff] [blame] | 686 | sigset_t new_sigset; |
| 687 | sigset_t old_sigset; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 688 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 689 | while (resp->result == QSEOS_RESULT_INCOMPLETE) { |
| 690 | lstnr = resp->data; |
| 691 | /* |
| 692 | * Wake up blocking lsitener service with the lstnr id |
| 693 | */ |
| 694 | spin_lock_irqsave(&qseecom.registered_listener_list_lock, |
| 695 | flags); |
| 696 | list_for_each_entry(ptr_svc, |
| 697 | &qseecom.registered_listener_list_head, list) { |
| 698 | if (ptr_svc->svc.listener_id == lstnr) { |
| 699 | ptr_svc->rcv_req_flag = 1; |
| 700 | wake_up_interruptible(&ptr_svc->rcv_req_wq); |
| 701 | break; |
| 702 | } |
| 703 | } |
| 704 | spin_unlock_irqrestore(&qseecom.registered_listener_list_lock, |
| 705 | flags); |
Zhen Kong | c4d4951 | 2013-10-03 13:47:23 -0700 | [diff] [blame] | 706 | |
| 707 | if (ptr_svc == NULL) { |
| 708 | pr_err("Listener Svc %d does not exist\n", lstnr); |
| 709 | return -EINVAL; |
| 710 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 711 | if (ptr_svc->svc.listener_id != lstnr) { |
| 712 | pr_warning("Service requested for does on exist\n"); |
| 713 | return -ERESTARTSYS; |
| 714 | } |
| 715 | pr_debug("waking up rcv_req_wq and " |
| 716 | "waiting for send_resp_wq\n"); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 717 | |
Mona Hossain | 91da2c5 | 2013-03-29 17:28:31 -0700 | [diff] [blame] | 718 | /* initialize the new signal mask with all signals*/ |
| 719 | sigfillset(&new_sigset); |
| 720 | /* block all signals */ |
| 721 | sigprocmask(SIG_SETMASK, &new_sigset, &old_sigset); |
| 722 | |
| 723 | do { |
| 724 | if (!wait_event_freezable(qseecom.send_resp_wq, |
| 725 | __qseecom_listener_has_sent_rsp(data))) |
| 726 | break; |
| 727 | } while (1); |
| 728 | |
| 729 | /* restore signal mask */ |
| 730 | sigprocmask(SIG_SETMASK, &old_sigset, NULL); |
| 731 | if (data->abort) { |
Mona Hossain | eaa69b7 | 2013-04-15 17:20:15 -0700 | [diff] [blame] | 732 | pr_err("Abort clnt %d waiting on lstnr svc %d, ret %d", |
| 733 | data->client.app_id, lstnr, ret); |
Mona Hossain | 91da2c5 | 2013-03-29 17:28:31 -0700 | [diff] [blame] | 734 | rc = -ENODEV; |
Mona Hossain | 0b3a279 | 2013-02-05 17:38:55 -0800 | [diff] [blame] | 735 | send_data_rsp.status = QSEOS_RESULT_FAILURE; |
| 736 | } else { |
| 737 | send_data_rsp.status = QSEOS_RESULT_SUCCESS; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 738 | } |
Mona Hossain | 0b3a279 | 2013-02-05 17:38:55 -0800 | [diff] [blame] | 739 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 740 | qseecom.send_resp_flag = 0; |
| 741 | send_data_rsp.qsee_cmd_id = QSEOS_LISTENER_DATA_RSP_COMMAND; |
| 742 | send_data_rsp.listener_id = lstnr ; |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 743 | if (ptr_svc) |
| 744 | msm_ion_do_cache_op(qseecom.ion_clnt, ptr_svc->ihandle, |
| 745 | ptr_svc->sb_virt, ptr_svc->sb_length, |
| 746 | ION_IOC_CLEAN_INV_CACHES); |
Zhen Kong | 7812dc1 | 2013-07-09 17:12:55 -0700 | [diff] [blame] | 747 | |
| 748 | if (lstnr == RPMB_SERVICE) |
| 749 | __qseecom_enable_clk(CLK_QSEE); |
| 750 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 751 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, |
| 752 | (const void *)&send_data_rsp, |
| 753 | sizeof(send_data_rsp), resp, |
| 754 | sizeof(*resp)); |
| 755 | if (ret) { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 756 | pr_err("scm_call() failed with err: %d (app_id = %d)\n", |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 757 | ret, data->client.app_id); |
Zhen Kong | 7812dc1 | 2013-07-09 17:12:55 -0700 | [diff] [blame] | 758 | if (lstnr == RPMB_SERVICE) |
| 759 | __qseecom_disable_clk(CLK_QSEE); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 760 | return ret; |
| 761 | } |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 762 | if ((resp->result != QSEOS_RESULT_SUCCESS) && |
| 763 | (resp->result != QSEOS_RESULT_INCOMPLETE)) { |
| 764 | pr_err("fail:resp res= %d,app_id = %d,lstr = %d\n", |
| 765 | resp->result, data->client.app_id, lstnr); |
| 766 | ret = -EINVAL; |
Mona Hossain | bb0bca1 | 2012-04-12 11:47:45 -0700 | [diff] [blame] | 767 | } |
Zhen Kong | 7812dc1 | 2013-07-09 17:12:55 -0700 | [diff] [blame] | 768 | if (lstnr == RPMB_SERVICE) |
| 769 | __qseecom_disable_clk(CLK_QSEE); |
| 770 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 771 | } |
Mona Hossain | 0b3a279 | 2013-02-05 17:38:55 -0800 | [diff] [blame] | 772 | if (rc) |
| 773 | return rc; |
| 774 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 775 | return ret; |
| 776 | } |
| 777 | |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 778 | static int __qseecom_check_app_exists(struct qseecom_check_app_ireq req) |
| 779 | { |
| 780 | int32_t ret; |
| 781 | struct qseecom_command_scm_resp resp; |
| 782 | |
| 783 | /* SCM_CALL to check if app_id for the mentioned app exists */ |
| 784 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, &req, |
| 785 | sizeof(struct qseecom_check_app_ireq), |
| 786 | &resp, sizeof(resp)); |
| 787 | if (ret) { |
| 788 | pr_err("scm_call to check if app is already loaded failed\n"); |
| 789 | return -EINVAL; |
| 790 | } |
| 791 | |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 792 | if (resp.result == QSEOS_RESULT_FAILURE) { |
| 793 | return 0; |
| 794 | } else { |
| 795 | switch (resp.resp_type) { |
| 796 | /*qsee returned listener type response */ |
| 797 | case QSEOS_LISTENER_ID: |
| 798 | pr_err("resp type is of listener type instead of app"); |
| 799 | return -EINVAL; |
| 800 | break; |
| 801 | case QSEOS_APP_ID: |
| 802 | return resp.data; |
| 803 | default: |
| 804 | pr_err("invalid resp type (%d) from qsee", |
| 805 | resp.resp_type); |
| 806 | return -ENODEV; |
| 807 | break; |
| 808 | } |
| 809 | } |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 810 | } |
| 811 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 812 | static int qseecom_load_app(struct qseecom_dev_handle *data, void __user *argp) |
| 813 | { |
| 814 | struct qseecom_registered_app_list *entry = NULL; |
| 815 | unsigned long flags = 0; |
| 816 | u32 app_id = 0; |
| 817 | struct ion_handle *ihandle; /* Ion handle */ |
| 818 | struct qseecom_load_img_req load_img_req; |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 819 | int32_t ret = 0; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 820 | ion_phys_addr_t pa = 0; |
| 821 | uint32_t len; |
| 822 | struct qseecom_command_scm_resp resp; |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 823 | struct qseecom_check_app_ireq req; |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 824 | struct qseecom_load_app_ireq load_req; |
| 825 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 826 | /* Copy the relevant information needed for loading the image */ |
Hariprasad Dhalinarasimha | e201495 | 2013-10-01 18:25:21 -0700 | [diff] [blame] | 827 | if (copy_from_user(&load_img_req, |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 828 | (void __user *)argp, |
| 829 | sizeof(struct qseecom_load_img_req))) { |
| 830 | pr_err("copy_from_user failed\n"); |
| 831 | return -EFAULT; |
| 832 | } |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 833 | /* Vote for the SFPB clock */ |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 834 | ret = __qseecom_enable_clk_scale_up(data); |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 835 | if (ret) |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 836 | return ret; |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 837 | req.qsee_cmd_id = QSEOS_APP_LOOKUP_COMMAND; |
Hariprasad Dhalinarasimha | 7a01882 | 2013-10-03 16:52:16 -0700 | [diff] [blame] | 838 | load_img_req.img_name[MAX_APP_NAME_SIZE-1] = '\0'; |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 839 | memcpy(req.app_name, load_img_req.img_name, MAX_APP_NAME_SIZE); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 840 | |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 841 | ret = __qseecom_check_app_exists(req); |
AnilKumar Chimata | 5370c7a | 2013-06-12 12:43:55 +0530 | [diff] [blame] | 842 | if (ret < 0) { |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 843 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 844 | return ret; |
AnilKumar Chimata | 5370c7a | 2013-06-12 12:43:55 +0530 | [diff] [blame] | 845 | } |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 846 | |
AnilKumar Chimata | 5370c7a | 2013-06-12 12:43:55 +0530 | [diff] [blame] | 847 | app_id = ret; |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 848 | if (app_id) { |
Mona Hossain | 7c44320 | 2013-04-18 12:08:58 -0700 | [diff] [blame] | 849 | pr_debug("App id %d (%s) already exists\n", app_id, |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 850 | (char *)(req.app_name)); |
| 851 | spin_lock_irqsave(&qseecom.registered_app_list_lock, flags); |
| 852 | list_for_each_entry(entry, |
| 853 | &qseecom.registered_app_list_head, list){ |
| 854 | if (entry->app_id == app_id) { |
| 855 | entry->ref_cnt++; |
| 856 | break; |
| 857 | } |
| 858 | } |
| 859 | spin_unlock_irqrestore( |
| 860 | &qseecom.registered_app_list_lock, flags); |
| 861 | } else { |
| 862 | pr_warn("App (%s) does'nt exist, loading apps for first time\n", |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 863 | (char *)(load_img_req.img_name)); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 864 | /* Get the handle of the shared fd */ |
| 865 | ihandle = ion_import_dma_buf(qseecom.ion_clnt, |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 866 | load_img_req.ifd_data_fd); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 867 | if (IS_ERR_OR_NULL(ihandle)) { |
| 868 | pr_err("Ion client could not retrieve the handle\n"); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 869 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 870 | return -ENOMEM; |
| 871 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 872 | |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 873 | /* Get the physical address of the ION BUF */ |
| 874 | ret = ion_phys(qseecom.ion_clnt, ihandle, &pa, &len); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 875 | |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 876 | /* Populate the structure for sending scm call to load image */ |
| 877 | memcpy(load_req.app_name, load_img_req.img_name, |
| 878 | MAX_APP_NAME_SIZE); |
| 879 | load_req.qsee_cmd_id = QSEOS_APP_START_COMMAND; |
| 880 | load_req.mdt_len = load_img_req.mdt_len; |
| 881 | load_req.img_len = load_img_req.img_len; |
| 882 | load_req.phy_addr = pa; |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 883 | msm_ion_do_cache_op(qseecom.ion_clnt, ihandle, NULL, len, |
| 884 | ION_IOC_CLEAN_INV_CACHES); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 885 | |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 886 | /* SCM_CALL to load the app and get the app_id back */ |
| 887 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, &load_req, |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 888 | sizeof(struct qseecom_load_app_ireq), |
| 889 | &resp, sizeof(resp)); |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 890 | if (ret) { |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 891 | pr_err("scm_call to load app failed\n"); |
Hariprasad Dhalinarasimha | 56d3512 | 2013-02-28 17:55:51 -0800 | [diff] [blame] | 892 | if (!IS_ERR_OR_NULL(ihandle)) |
| 893 | ion_free(qseecom.ion_clnt, ihandle); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 894 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 895 | return -EINVAL; |
| 896 | } |
| 897 | |
| 898 | if (resp.result == QSEOS_RESULT_FAILURE) { |
| 899 | pr_err("scm_call rsp.result is QSEOS_RESULT_FAILURE\n"); |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 900 | if (!IS_ERR_OR_NULL(ihandle)) |
| 901 | ion_free(qseecom.ion_clnt, ihandle); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 902 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 903 | return -EFAULT; |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 904 | } |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 905 | |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 906 | if (resp.result == QSEOS_RESULT_INCOMPLETE) { |
| 907 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
| 908 | if (ret) { |
| 909 | pr_err("process_incomplete_cmd failed err: %d\n", |
| 910 | ret); |
| 911 | if (!IS_ERR_OR_NULL(ihandle)) |
| 912 | ion_free(qseecom.ion_clnt, ihandle); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 913 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 914 | return ret; |
| 915 | } |
| 916 | } |
| 917 | |
| 918 | if (resp.result != QSEOS_RESULT_SUCCESS) { |
| 919 | pr_err("scm_call failed resp.result unknown, %d\n", |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 920 | resp.result); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 921 | if (!IS_ERR_OR_NULL(ihandle)) |
| 922 | ion_free(qseecom.ion_clnt, ihandle); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 923 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 924 | return -EFAULT; |
| 925 | } |
| 926 | |
| 927 | app_id = resp.data; |
| 928 | |
| 929 | entry = kmalloc(sizeof(*entry), GFP_KERNEL); |
| 930 | if (!entry) { |
| 931 | pr_err("kmalloc failed\n"); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 932 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 933 | return -ENOMEM; |
| 934 | } |
| 935 | entry->app_id = app_id; |
| 936 | entry->ref_cnt = 1; |
| 937 | |
| 938 | /* Deallocate the handle */ |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 939 | if (!IS_ERR_OR_NULL(ihandle)) |
| 940 | ion_free(qseecom.ion_clnt, ihandle); |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 941 | |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 942 | spin_lock_irqsave(&qseecom.registered_app_list_lock, flags); |
| 943 | list_add_tail(&entry->list, &qseecom.registered_app_list_head); |
| 944 | spin_unlock_irqrestore(&qseecom.registered_app_list_lock, |
| 945 | flags); |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 946 | |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 947 | pr_warn("App with id %d (%s) now loaded\n", app_id, |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 948 | (char *)(load_img_req.img_name)); |
Mona Hossain | 436b75f | 2012-11-20 17:10:40 -0800 | [diff] [blame] | 949 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 950 | data->client.app_id = app_id; |
| 951 | load_img_req.app_id = app_id; |
| 952 | if (copy_to_user(argp, &load_img_req, sizeof(load_img_req))) { |
| 953 | pr_err("copy_to_user failed\n"); |
| 954 | kzfree(entry); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 955 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 956 | return -EFAULT; |
| 957 | } |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 958 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 959 | return 0; |
| 960 | } |
| 961 | |
| 962 | static int __qseecom_cleanup_app(struct qseecom_dev_handle *data) |
| 963 | { |
| 964 | wake_up_all(&qseecom.send_resp_wq); |
| 965 | while (atomic_read(&data->ioctl_count) > 1) { |
Mona Hossain | acea102 | 2012-04-09 13:37:27 -0700 | [diff] [blame] | 966 | if (wait_event_freezable(data->abort_wq, |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 967 | atomic_read(&data->ioctl_count) <= 1)) { |
| 968 | pr_err("Interrupted from abort\n"); |
| 969 | return -ERESTARTSYS; |
| 970 | break; |
| 971 | } |
| 972 | } |
| 973 | /* Set unload app */ |
| 974 | return 1; |
| 975 | } |
| 976 | |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 977 | static int qseecom_unmap_ion_allocated_memory(struct qseecom_dev_handle *data) |
| 978 | { |
| 979 | int ret = 0; |
| 980 | if (!IS_ERR_OR_NULL(data->client.ihandle)) { |
| 981 | ion_unmap_kernel(qseecom.ion_clnt, data->client.ihandle); |
| 982 | ion_free(qseecom.ion_clnt, data->client.ihandle); |
| 983 | data->client.ihandle = NULL; |
| 984 | } |
| 985 | return ret; |
| 986 | } |
| 987 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 988 | static int qseecom_unload_app(struct qseecom_dev_handle *data) |
| 989 | { |
| 990 | unsigned long flags; |
| 991 | int ret = 0; |
| 992 | struct qseecom_command_scm_resp resp; |
| 993 | struct qseecom_registered_app_list *ptr_app; |
Mona Hossain | 340dba8 | 2012-08-07 19:54:46 -0700 | [diff] [blame] | 994 | bool unload = false; |
| 995 | bool found_app = false; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 996 | |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 997 | if (data->client.app_id > 0) { |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 998 | spin_lock_irqsave(&qseecom.registered_app_list_lock, flags); |
| 999 | list_for_each_entry(ptr_app, &qseecom.registered_app_list_head, |
| 1000 | list) { |
| 1001 | if (ptr_app->app_id == data->client.app_id) { |
Mona Hossain | 340dba8 | 2012-08-07 19:54:46 -0700 | [diff] [blame] | 1002 | found_app = true; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1003 | if (ptr_app->ref_cnt == 1) { |
Mona Hossain | 340dba8 | 2012-08-07 19:54:46 -0700 | [diff] [blame] | 1004 | unload = true; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1005 | break; |
| 1006 | } else { |
| 1007 | ptr_app->ref_cnt--; |
Mona Hossain | 7c44320 | 2013-04-18 12:08:58 -0700 | [diff] [blame] | 1008 | pr_debug("Can't unload app(%d) inuse\n", |
Mona Hossain | a5f1aab | 2012-03-29 10:18:07 -0700 | [diff] [blame] | 1009 | ptr_app->app_id); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1010 | break; |
| 1011 | } |
| 1012 | } |
| 1013 | } |
| 1014 | spin_unlock_irqrestore(&qseecom.registered_app_list_lock, |
| 1015 | flags); |
Mona Hossain | 1fb538f | 2012-08-30 16:19:38 -0700 | [diff] [blame] | 1016 | if (found_app == false) { |
| 1017 | pr_err("Cannot find app with id = %d\n", |
| 1018 | data->client.app_id); |
| 1019 | return -EINVAL; |
| 1020 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1021 | } |
| 1022 | |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 1023 | if (unload) { |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1024 | struct qseecom_unload_app_ireq req; |
| 1025 | |
Mona Hossain | 340dba8 | 2012-08-07 19:54:46 -0700 | [diff] [blame] | 1026 | __qseecom_cleanup_app(data); |
| 1027 | spin_lock_irqsave(&qseecom.registered_app_list_lock, flags); |
| 1028 | list_del(&ptr_app->list); |
| 1029 | kzfree(ptr_app); |
| 1030 | spin_unlock_irqrestore(&qseecom.registered_app_list_lock, |
| 1031 | flags); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1032 | /* Populate the structure for sending scm call to load image */ |
| 1033 | req.qsee_cmd_id = QSEOS_APP_SHUTDOWN_COMMAND; |
| 1034 | req.app_id = data->client.app_id; |
| 1035 | |
| 1036 | /* SCM_CALL to unload the app */ |
| 1037 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, &req, |
| 1038 | sizeof(struct qseecom_unload_app_ireq), |
| 1039 | &resp, sizeof(resp)); |
| 1040 | if (ret) { |
Mona Hossain | bb0bca1 | 2012-04-12 11:47:45 -0700 | [diff] [blame] | 1041 | pr_err("scm_call to unload app (id = %d) failed\n", |
| 1042 | req.app_id); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1043 | return -EFAULT; |
Mona Hossain | bb0bca1 | 2012-04-12 11:47:45 -0700 | [diff] [blame] | 1044 | } else { |
| 1045 | pr_warn("App id %d now unloaded\n", req.app_id); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1046 | } |
| 1047 | if (resp.result == QSEOS_RESULT_INCOMPLETE) { |
| 1048 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
| 1049 | if (ret) { |
| 1050 | pr_err("process_incomplete_cmd fail err: %d\n", |
| 1051 | ret); |
| 1052 | return ret; |
| 1053 | } |
| 1054 | } |
| 1055 | } |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1056 | qseecom_unmap_ion_allocated_memory(data); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1057 | data->released = true; |
| 1058 | return ret; |
| 1059 | } |
| 1060 | |
| 1061 | static uint32_t __qseecom_uvirt_to_kphys(struct qseecom_dev_handle *data, |
| 1062 | uint32_t virt) |
| 1063 | { |
| 1064 | return data->client.sb_phys + (virt - data->client.user_virt_sb_base); |
| 1065 | } |
| 1066 | |
Zhen Kong | f494819 | 2013-11-25 13:05:35 -0800 | [diff] [blame] | 1067 | static uint32_t __qseecom_uvirt_to_kvirt(struct qseecom_dev_handle *data, |
| 1068 | uint32_t virt) |
| 1069 | { |
| 1070 | return (uint32_t)data->client.sb_virt + |
| 1071 | (virt - data->client.user_virt_sb_base); |
| 1072 | } |
| 1073 | |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1074 | int __qseecom_process_rpmb_svc_cmd(struct qseecom_dev_handle *data_ptr, |
| 1075 | struct qseecom_send_svc_cmd_req *req_ptr, |
| 1076 | struct qseecom_client_send_service_ireq *send_svc_ireq_ptr) |
| 1077 | { |
| 1078 | int ret = 0; |
Hariprasad Dhalinarasimha | fd86ecd | 2013-09-27 18:38:53 -0700 | [diff] [blame] | 1079 | void *req_buf = NULL; |
| 1080 | |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1081 | if ((req_ptr == NULL) || (send_svc_ireq_ptr == NULL)) { |
| 1082 | pr_err("Error with pointer: req_ptr = %p, send_svc_ptr = %p\n", |
| 1083 | req_ptr, send_svc_ireq_ptr); |
| 1084 | return -EINVAL; |
| 1085 | } |
Hariprasad Dhalinarasimha | fd86ecd | 2013-09-27 18:38:53 -0700 | [diff] [blame] | 1086 | |
Hariprasad Dhalinarasimha | 10aed74 | 2013-11-18 11:54:03 -0800 | [diff] [blame] | 1087 | if ((!req_ptr->cmd_req_buf) || (!req_ptr->resp_buf)) { |
| 1088 | pr_err("Invalid req/resp buffer, exiting\n"); |
| 1089 | return -EINVAL; |
| 1090 | } |
| 1091 | |
Hariprasad Dhalinarasimha | 4b61e2a | 2014-02-12 19:43:02 -0800 | [diff] [blame] | 1092 | /* Clients need to ensure req_buf is at base offset of shared buffer */ |
| 1093 | if ((uint32_t)req_ptr->cmd_req_buf != |
| 1094 | data_ptr->client.user_virt_sb_base) { |
| 1095 | pr_err("cmd buf not pointing to base offset of shared buffer\n"); |
Hariprasad Dhalinarasimha | fd86ecd | 2013-09-27 18:38:53 -0700 | [diff] [blame] | 1096 | return -EINVAL; |
| 1097 | } |
| 1098 | |
Hariprasad Dhalinarasimha | fd86ecd | 2013-09-27 18:38:53 -0700 | [diff] [blame] | 1099 | if (((uint32_t)req_ptr->resp_buf < data_ptr->client.user_virt_sb_base) |
| 1100 | || ((uint32_t)req_ptr->resp_buf >= |
| 1101 | (data_ptr->client.user_virt_sb_base + |
| 1102 | data_ptr->client.sb_length))){ |
| 1103 | pr_err("response buffer address not within shared bufffer\n"); |
| 1104 | return -EINVAL; |
| 1105 | } |
| 1106 | |
| 1107 | req_buf = data_ptr->client.sb_virt; |
| 1108 | |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1109 | send_svc_ireq_ptr->qsee_cmd_id = req_ptr->cmd_id; |
| 1110 | send_svc_ireq_ptr->key_type = |
Hariprasad Dhalinarasimha | fd86ecd | 2013-09-27 18:38:53 -0700 | [diff] [blame] | 1111 | ((struct qseecom_rpmb_provision_key *)req_buf)->key_type; |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1112 | send_svc_ireq_ptr->req_len = req_ptr->cmd_req_len; |
| 1113 | send_svc_ireq_ptr->rsp_ptr = (void *)(__qseecom_uvirt_to_kphys(data_ptr, |
| 1114 | (uint32_t)req_ptr->resp_buf)); |
| 1115 | send_svc_ireq_ptr->rsp_len = req_ptr->resp_len; |
| 1116 | |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1117 | return ret; |
| 1118 | } |
| 1119 | |
| 1120 | static int qseecom_send_service_cmd(struct qseecom_dev_handle *data, |
| 1121 | void __user *argp) |
| 1122 | { |
| 1123 | int ret = 0; |
| 1124 | struct qseecom_client_send_service_ireq send_svc_ireq; |
| 1125 | struct qseecom_command_scm_resp resp; |
| 1126 | struct qseecom_send_svc_cmd_req req; |
| 1127 | /*struct qseecom_command_scm_resp resp;*/ |
| 1128 | |
Hariprasad Dhalinarasimha | e201495 | 2013-10-01 18:25:21 -0700 | [diff] [blame] | 1129 | if (copy_from_user(&req, |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1130 | (void __user *)argp, |
| 1131 | sizeof(req))) { |
| 1132 | pr_err("copy_from_user failed\n"); |
| 1133 | return -EFAULT; |
| 1134 | } |
| 1135 | |
| 1136 | if (req.resp_buf == NULL) { |
| 1137 | pr_err("cmd buffer or response buffer is null\n"); |
| 1138 | return -EINVAL; |
| 1139 | } |
| 1140 | |
Hariprasad Dhalinarasimha | 4b61e2a | 2014-02-12 19:43:02 -0800 | [diff] [blame] | 1141 | if (data->client.sb_virt == NULL) { |
| 1142 | pr_err("sb_virt null\n"); |
| 1143 | return -EINVAL; |
| 1144 | } |
| 1145 | |
| 1146 | if (data->client.user_virt_sb_base == 0) { |
| 1147 | pr_err("user_virt_sb_base is null\n"); |
| 1148 | return -EINVAL; |
| 1149 | } |
| 1150 | |
| 1151 | if (data->client.sb_length == 0) { |
| 1152 | pr_err("sb_length is 0\n"); |
| 1153 | return -EINVAL; |
| 1154 | } |
| 1155 | |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1156 | data->type = QSEECOM_SECURE_SERVICE; |
| 1157 | |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1158 | switch (req.cmd_id) { |
Hariprasad Dhalinarasimha | b383224 | 2013-07-23 15:35:26 -0700 | [diff] [blame] | 1159 | case QSEOS_RPMB_PROVISION_KEY_COMMAND: |
| 1160 | case QSEOS_RPMB_ERASE_COMMAND: |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1161 | if (__qseecom_process_rpmb_svc_cmd(data, &req, |
| 1162 | &send_svc_ireq)) |
| 1163 | return -EINVAL; |
| 1164 | break; |
| 1165 | default: |
| 1166 | pr_err("Unsupported cmd_id %d\n", req.cmd_id); |
| 1167 | return -EINVAL; |
| 1168 | } |
AnilKumar Chimata | 80f1d1b | 2013-08-03 05:16:14 +0530 | [diff] [blame] | 1169 | |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1170 | if (qseecom.support_bus_scaling) { |
| 1171 | qseecom_scale_bus_bandwidth_timer(HIGH, |
| 1172 | QSEECOM_SEND_CMD_CRYPTO_TIMEOUT); |
| 1173 | if (ret) { |
| 1174 | pr_err("Fail to set bw HIGH%d\n", ret); |
| 1175 | return ret; |
| 1176 | } |
| 1177 | } else { |
| 1178 | ret = qsee_vote_for_clock(data, CLK_DFAB); |
| 1179 | if (ret) { |
| 1180 | pr_err("Failed to vote for DFAB clock%d\n", ret); |
| 1181 | return ret; |
| 1182 | } |
| 1183 | ret = qsee_vote_for_clock(data, CLK_SFPB); |
| 1184 | if (ret) { |
| 1185 | qsee_disable_clock_vote(data, CLK_DFAB); |
| 1186 | pr_err("Failed to vote for SFPB clock%d\n", ret); |
| 1187 | goto exit; |
| 1188 | } |
AnilKumar Chimata | 80f1d1b | 2013-08-03 05:16:14 +0530 | [diff] [blame] | 1189 | } |
| 1190 | |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 1191 | msm_ion_do_cache_op(qseecom.ion_clnt, data->client.ihandle, |
| 1192 | data->client.sb_virt, data->client.sb_length, |
| 1193 | ION_IOC_CLEAN_INV_CACHES); |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1194 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, (const void *) &send_svc_ireq, |
| 1195 | sizeof(send_svc_ireq), |
| 1196 | &resp, sizeof(resp)); |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 1197 | msm_ion_do_cache_op(qseecom.ion_clnt, data->client.ihandle, |
| 1198 | data->client.sb_virt, data->client.sb_length, |
| 1199 | ION_IOC_INV_CACHES); |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1200 | if (ret) { |
| 1201 | pr_err("qseecom_scm_call failed with err: %d\n", ret); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1202 | if (!qseecom.support_bus_scaling) { |
| 1203 | qsee_disable_clock_vote(data, CLK_DFAB); |
| 1204 | qsee_disable_clock_vote(data, CLK_SFPB); |
Zhen Kong | 06418b7 | 2014-02-05 17:36:23 -0800 | [diff] [blame] | 1205 | } else { |
| 1206 | mutex_lock(&qsee_bw_mutex); |
| 1207 | qseecom.bw_scale_down_timer.expires = jiffies + |
| 1208 | msecs_to_jiffies( |
| 1209 | QSEECOM_SEND_CMD_CRYPTO_TIMEOUT); |
| 1210 | add_timer(&(qseecom.bw_scale_down_timer)); |
| 1211 | qseecom.timer_running = true; |
| 1212 | mutex_unlock(&qsee_bw_mutex); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1213 | } |
Zhen Kong | 06418b7 | 2014-02-05 17:36:23 -0800 | [diff] [blame] | 1214 | |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1215 | goto exit; |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1216 | } |
| 1217 | |
| 1218 | switch (resp.result) { |
| 1219 | case QSEOS_RESULT_SUCCESS: |
| 1220 | break; |
| 1221 | case QSEOS_RESULT_INCOMPLETE: |
| 1222 | pr_err("qseos_result_incomplete\n"); |
| 1223 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
| 1224 | if (ret) { |
| 1225 | pr_err("process_incomplete_cmd fail: err: %d\n", |
| 1226 | ret); |
| 1227 | } |
| 1228 | break; |
| 1229 | case QSEOS_RESULT_FAILURE: |
| 1230 | pr_err("process_incomplete_cmd failed err: %d\n", ret); |
| 1231 | break; |
| 1232 | default: |
| 1233 | pr_err("Response result %d not supported\n", |
| 1234 | resp.result); |
| 1235 | ret = -EINVAL; |
| 1236 | break; |
| 1237 | } |
Zhen Kong | 06418b7 | 2014-02-05 17:36:23 -0800 | [diff] [blame] | 1238 | if (!qseecom.support_bus_scaling) { |
| 1239 | qsee_disable_clock_vote(data, CLK_DFAB); |
| 1240 | qsee_disable_clock_vote(data, CLK_SFPB); |
| 1241 | } else { |
| 1242 | mutex_lock(&qsee_bw_mutex); |
| 1243 | qseecom.bw_scale_down_timer.expires = jiffies + |
| 1244 | msecs_to_jiffies(QSEECOM_SEND_CMD_CRYPTO_TIMEOUT); |
| 1245 | add_timer(&(qseecom.bw_scale_down_timer)); |
| 1246 | qseecom.timer_running = true; |
| 1247 | mutex_unlock(&qsee_bw_mutex); |
| 1248 | } |
| 1249 | |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1250 | exit: |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1251 | return ret; |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1252 | } |
| 1253 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1254 | static int __qseecom_send_cmd(struct qseecom_dev_handle *data, |
| 1255 | struct qseecom_send_cmd_req *req) |
| 1256 | { |
| 1257 | int ret = 0; |
| 1258 | u32 reqd_len_sb_in = 0; |
| 1259 | struct qseecom_client_send_data_ireq send_data_req; |
| 1260 | struct qseecom_command_scm_resp resp; |
| 1261 | |
| 1262 | if (req->cmd_req_buf == NULL || req->resp_buf == NULL) { |
| 1263 | pr_err("cmd buffer or response buffer is null\n"); |
| 1264 | return -EINVAL; |
| 1265 | } |
Mona Hossain | dddf444 | 2013-10-01 14:08:20 -0700 | [diff] [blame] | 1266 | if (((uint32_t)req->cmd_req_buf < data->client.user_virt_sb_base) || |
| 1267 | ((uint32_t)req->cmd_req_buf >= (data->client.user_virt_sb_base + |
| 1268 | data->client.sb_length))) { |
| 1269 | pr_err("cmd buffer address not within shared bufffer\n"); |
| 1270 | return -EINVAL; |
| 1271 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1272 | |
Mona Hossain | dddf444 | 2013-10-01 14:08:20 -0700 | [diff] [blame] | 1273 | |
| 1274 | if (((uint32_t)req->resp_buf < data->client.user_virt_sb_base) || |
| 1275 | ((uint32_t)req->resp_buf >= (data->client.user_virt_sb_base + |
| 1276 | data->client.sb_length))){ |
| 1277 | pr_err("response buffer address not within shared bufffer\n"); |
| 1278 | return -EINVAL; |
| 1279 | } |
| 1280 | |
| 1281 | if ((req->cmd_req_len == 0) || (req->resp_len == 0) || |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1282 | req->cmd_req_len > data->client.sb_length || |
| 1283 | req->resp_len > data->client.sb_length) { |
| 1284 | pr_err("cmd buffer length or " |
| 1285 | "response buffer length not valid\n"); |
| 1286 | return -EINVAL; |
| 1287 | } |
| 1288 | |
Hariprasad Dhalinarasimha | 528400a | 2013-10-03 16:43:39 -0700 | [diff] [blame] | 1289 | if (req->cmd_req_len > UINT_MAX - req->resp_len) { |
| 1290 | pr_err("Integer overflow detected in req_len & rsp_len, exiting now\n"); |
| 1291 | return -EINVAL; |
| 1292 | } |
| 1293 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1294 | reqd_len_sb_in = req->cmd_req_len + req->resp_len; |
| 1295 | if (reqd_len_sb_in > data->client.sb_length) { |
| 1296 | pr_debug("Not enough memory to fit cmd_buf and " |
| 1297 | "resp_buf. Required: %u, Available: %u\n", |
| 1298 | reqd_len_sb_in, data->client.sb_length); |
| 1299 | return -ENOMEM; |
| 1300 | } |
| 1301 | |
| 1302 | send_data_req.qsee_cmd_id = QSEOS_CLIENT_SEND_DATA_COMMAND; |
| 1303 | send_data_req.app_id = data->client.app_id; |
| 1304 | send_data_req.req_ptr = (void *)(__qseecom_uvirt_to_kphys(data, |
| 1305 | (uint32_t)req->cmd_req_buf)); |
| 1306 | send_data_req.req_len = req->cmd_req_len; |
| 1307 | send_data_req.rsp_ptr = (void *)(__qseecom_uvirt_to_kphys(data, |
| 1308 | (uint32_t)req->resp_buf)); |
| 1309 | send_data_req.rsp_len = req->resp_len; |
| 1310 | |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 1311 | msm_ion_do_cache_op(qseecom.ion_clnt, data->client.ihandle, |
| 1312 | data->client.sb_virt, |
Hariprasad Dhalinarasimha | 528400a | 2013-10-03 16:43:39 -0700 | [diff] [blame] | 1313 | reqd_len_sb_in, |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 1314 | ION_IOC_CLEAN_INV_CACHES); |
| 1315 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1316 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, (const void *) &send_data_req, |
| 1317 | sizeof(send_data_req), |
| 1318 | &resp, sizeof(resp)); |
| 1319 | if (ret) { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 1320 | pr_err("scm_call() failed with err: %d (app_id = %d)\n", |
| 1321 | ret, data->client.app_id); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1322 | return ret; |
| 1323 | } |
| 1324 | |
| 1325 | if (resp.result == QSEOS_RESULT_INCOMPLETE) { |
| 1326 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
| 1327 | if (ret) { |
| 1328 | pr_err("process_incomplete_cmd failed err: %d\n", ret); |
| 1329 | return ret; |
| 1330 | } |
Mona Hossain | bb0bca1 | 2012-04-12 11:47:45 -0700 | [diff] [blame] | 1331 | } else { |
| 1332 | if (resp.result != QSEOS_RESULT_SUCCESS) { |
| 1333 | pr_err("Response result %d not supported\n", |
| 1334 | resp.result); |
| 1335 | ret = -EINVAL; |
| 1336 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1337 | } |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 1338 | msm_ion_do_cache_op(qseecom.ion_clnt, data->client.ihandle, |
| 1339 | data->client.sb_virt, data->client.sb_length, |
| 1340 | ION_IOC_INV_CACHES); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1341 | return ret; |
| 1342 | } |
| 1343 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1344 | static int qseecom_send_cmd(struct qseecom_dev_handle *data, void __user *argp) |
| 1345 | { |
| 1346 | int ret = 0; |
| 1347 | struct qseecom_send_cmd_req req; |
| 1348 | |
| 1349 | ret = copy_from_user(&req, argp, sizeof(req)); |
| 1350 | if (ret) { |
| 1351 | pr_err("copy_from_user failed\n"); |
| 1352 | return ret; |
| 1353 | } |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 1354 | ret = __qseecom_send_cmd(data, &req); |
| 1355 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1356 | if (ret) |
| 1357 | return ret; |
| 1358 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1359 | return ret; |
| 1360 | } |
| 1361 | |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 1362 | static int __qseecom_update_cmd_buf(void *msg, bool cleanup, |
| 1363 | struct qseecom_dev_handle *data, |
| 1364 | bool listener_svc) |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1365 | { |
| 1366 | struct ion_handle *ihandle; |
| 1367 | char *field; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1368 | int ret = 0; |
| 1369 | int i = 0; |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 1370 | uint32_t len = 0; |
| 1371 | struct scatterlist *sg; |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 1372 | struct qseecom_send_modfd_cmd_req *cmd_req = NULL; |
| 1373 | struct qseecom_send_modfd_listener_resp *lstnr_resp = NULL; |
| 1374 | struct qseecom_registered_listener_list *this_lstnr = NULL; |
| 1375 | |
| 1376 | if (msg == NULL) { |
| 1377 | pr_err("Invalid address\n"); |
| 1378 | return -EINVAL; |
| 1379 | } |
| 1380 | if (listener_svc) { |
| 1381 | lstnr_resp = (struct qseecom_send_modfd_listener_resp *)msg; |
| 1382 | this_lstnr = __qseecom_find_svc(data->listener.id); |
| 1383 | if (IS_ERR_OR_NULL(this_lstnr)) { |
| 1384 | pr_err("Invalid listener ID\n"); |
| 1385 | return -ENOMEM; |
| 1386 | } |
| 1387 | } else { |
| 1388 | cmd_req = (struct qseecom_send_modfd_cmd_req *)msg; |
| 1389 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1390 | |
| 1391 | for (i = 0; i < MAX_ION_FD; i++) { |
Mona Hossain | f1f2ed6 | 2012-11-15 19:51:33 -0800 | [diff] [blame] | 1392 | struct sg_table *sg_ptr = NULL; |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 1393 | if ((!listener_svc) && (cmd_req->ifd_data[i].fd > 0)) { |
Laura Abbott | b14ed96 | 2012-01-30 14:18:08 -0800 | [diff] [blame] | 1394 | ihandle = ion_import_dma_buf(qseecom.ion_clnt, |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 1395 | cmd_req->ifd_data[i].fd); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1396 | if (IS_ERR_OR_NULL(ihandle)) { |
| 1397 | pr_err("Ion client can't retrieve the handle\n"); |
| 1398 | return -ENOMEM; |
| 1399 | } |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 1400 | field = (char *) cmd_req->cmd_req_buf + |
| 1401 | cmd_req->ifd_data[i].cmd_buf_offset; |
| 1402 | } else if ((listener_svc) && |
| 1403 | (lstnr_resp->ifd_data[i].fd > 0)) { |
| 1404 | ihandle = ion_import_dma_buf(qseecom.ion_clnt, |
| 1405 | lstnr_resp->ifd_data[i].fd); |
| 1406 | if (IS_ERR_OR_NULL(ihandle)) { |
| 1407 | pr_err("Ion client can't retrieve the handle\n"); |
| 1408 | return -ENOMEM; |
Mona Hossain | f1f2ed6 | 2012-11-15 19:51:33 -0800 | [diff] [blame] | 1409 | } |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 1410 | field = lstnr_resp->resp_buf_ptr + |
| 1411 | lstnr_resp->ifd_data[i].cmd_buf_offset; |
| 1412 | } else { |
| 1413 | return ret; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1414 | } |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 1415 | /* Populate the cmd data structure with the phys_addr */ |
| 1416 | sg_ptr = ion_sg_table(qseecom.ion_clnt, ihandle); |
| 1417 | if (sg_ptr == NULL) { |
| 1418 | pr_err("IOn client could not retrieve sg table\n"); |
| 1419 | goto err; |
| 1420 | } |
| 1421 | if (sg_ptr->nents == 0) { |
| 1422 | pr_err("Num of scattered entries is 0\n"); |
| 1423 | goto err; |
| 1424 | } |
| 1425 | if (sg_ptr->nents > QSEECOM_MAX_SG_ENTRY) { |
| 1426 | pr_err("Num of scattered entries"); |
| 1427 | pr_err(" (%d) is greater than max supported %d\n", |
| 1428 | sg_ptr->nents, QSEECOM_MAX_SG_ENTRY); |
| 1429 | goto err; |
| 1430 | } |
| 1431 | sg = sg_ptr->sgl; |
| 1432 | if (sg_ptr->nents == 1) { |
| 1433 | uint32_t *update; |
| 1434 | update = (uint32_t *) field; |
| 1435 | if (cleanup) |
| 1436 | *update = 0; |
| 1437 | else |
| 1438 | *update = (uint32_t)sg_dma_address( |
| 1439 | sg_ptr->sgl); |
| 1440 | len += (uint32_t)sg->length; |
| 1441 | } else { |
| 1442 | struct qseecom_sg_entry *update; |
| 1443 | int j = 0; |
| 1444 | update = (struct qseecom_sg_entry *) field; |
| 1445 | for (j = 0; j < sg_ptr->nents; j++) { |
| 1446 | if (cleanup) { |
| 1447 | update->phys_addr = 0; |
| 1448 | update->len = 0; |
| 1449 | } else { |
| 1450 | update->phys_addr = (uint32_t) |
| 1451 | sg_dma_address(sg); |
| 1452 | update->len = sg->length; |
| 1453 | } |
| 1454 | len += sg->length; |
| 1455 | update++; |
| 1456 | sg = sg_next(sg); |
| 1457 | } |
| 1458 | } |
| 1459 | if (cleanup) |
| 1460 | msm_ion_do_cache_op(qseecom.ion_clnt, |
| 1461 | ihandle, NULL, len, |
| 1462 | ION_IOC_INV_CACHES); |
| 1463 | else |
| 1464 | msm_ion_do_cache_op(qseecom.ion_clnt, |
| 1465 | ihandle, NULL, len, |
| 1466 | ION_IOC_CLEAN_INV_CACHES); |
| 1467 | /* Deallocate the handle */ |
| 1468 | if (!IS_ERR_OR_NULL(ihandle)) |
| 1469 | ion_free(qseecom.ion_clnt, ihandle); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1470 | } |
| 1471 | return ret; |
Mona Hossain | f1f2ed6 | 2012-11-15 19:51:33 -0800 | [diff] [blame] | 1472 | err: |
| 1473 | if (!IS_ERR_OR_NULL(ihandle)) |
| 1474 | ion_free(qseecom.ion_clnt, ihandle); |
| 1475 | return -ENOMEM; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1476 | } |
| 1477 | |
| 1478 | static int qseecom_send_modfd_cmd(struct qseecom_dev_handle *data, |
| 1479 | void __user *argp) |
| 1480 | { |
| 1481 | int ret = 0; |
Mona Hossain | dddf444 | 2013-10-01 14:08:20 -0700 | [diff] [blame] | 1482 | int i; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1483 | struct qseecom_send_modfd_cmd_req req; |
| 1484 | struct qseecom_send_cmd_req send_cmd_req; |
| 1485 | |
| 1486 | ret = copy_from_user(&req, argp, sizeof(req)); |
| 1487 | if (ret) { |
| 1488 | pr_err("copy_from_user failed\n"); |
| 1489 | return ret; |
| 1490 | } |
Zhen Kong | f494819 | 2013-11-25 13:05:35 -0800 | [diff] [blame] | 1491 | |
| 1492 | if (req.cmd_req_buf == NULL || req.resp_buf == NULL) { |
| 1493 | pr_err("cmd buffer or response buffer is null\n"); |
| 1494 | return -EINVAL; |
| 1495 | } |
| 1496 | if (((uint32_t)req.cmd_req_buf < data->client.user_virt_sb_base) || |
| 1497 | ((uint32_t)req.cmd_req_buf >= (data->client.user_virt_sb_base + |
| 1498 | data->client.sb_length))) { |
| 1499 | pr_err("cmd buffer address not within shared bufffer\n"); |
| 1500 | return -EINVAL; |
| 1501 | } |
| 1502 | |
| 1503 | if (((uint32_t)req.resp_buf < data->client.user_virt_sb_base) || |
| 1504 | ((uint32_t)req.resp_buf >= (data->client.user_virt_sb_base + |
| 1505 | data->client.sb_length))){ |
| 1506 | pr_err("response buffer address not within shared bufffer\n"); |
| 1507 | return -EINVAL; |
| 1508 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1509 | send_cmd_req.cmd_req_buf = req.cmd_req_buf; |
| 1510 | send_cmd_req.cmd_req_len = req.cmd_req_len; |
| 1511 | send_cmd_req.resp_buf = req.resp_buf; |
| 1512 | send_cmd_req.resp_len = req.resp_len; |
| 1513 | |
Mona Hossain | dddf444 | 2013-10-01 14:08:20 -0700 | [diff] [blame] | 1514 | /* validate offsets */ |
| 1515 | for (i = 0; i < MAX_ION_FD; i++) { |
| 1516 | if (req.ifd_data[i].cmd_buf_offset >= req.cmd_req_len) { |
| 1517 | pr_err("Invalid offset %d = 0x%x\n", |
| 1518 | i, req.ifd_data[i].cmd_buf_offset); |
| 1519 | return -EINVAL; |
| 1520 | } |
| 1521 | } |
Zhen Kong | f494819 | 2013-11-25 13:05:35 -0800 | [diff] [blame] | 1522 | req.cmd_req_buf = (void *)__qseecom_uvirt_to_kvirt(data, |
| 1523 | (uint32_t)req.cmd_req_buf); |
| 1524 | req.resp_buf = (void *)__qseecom_uvirt_to_kvirt(data, |
| 1525 | (uint32_t)req.resp_buf); |
| 1526 | |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 1527 | ret = __qseecom_update_cmd_buf(&req, false, data, false); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1528 | if (ret) |
| 1529 | return ret; |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 1530 | ret = __qseecom_send_cmd(data, &send_cmd_req); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1531 | if (ret) |
| 1532 | return ret; |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 1533 | ret = __qseecom_update_cmd_buf(&req, true, data, false); |
Mona Hossain | c56584d | 2013-05-28 09:06:26 -0700 | [diff] [blame] | 1534 | if (ret) |
| 1535 | return ret; |
Zhen Kong | 04f65b8 | 2013-10-03 13:58:45 -0700 | [diff] [blame] | 1536 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1537 | return ret; |
| 1538 | } |
| 1539 | |
| 1540 | static int __qseecom_listener_has_rcvd_req(struct qseecom_dev_handle *data, |
| 1541 | struct qseecom_registered_listener_list *svc) |
| 1542 | { |
| 1543 | int ret; |
| 1544 | ret = (svc->rcv_req_flag != 0); |
| 1545 | return ret || data->abort; |
| 1546 | } |
| 1547 | |
| 1548 | static int qseecom_receive_req(struct qseecom_dev_handle *data) |
| 1549 | { |
| 1550 | int ret = 0; |
| 1551 | struct qseecom_registered_listener_list *this_lstnr; |
| 1552 | |
| 1553 | this_lstnr = __qseecom_find_svc(data->listener.id); |
AnilKumar Chimata | 69b857a | 2013-07-23 23:03:26 +0530 | [diff] [blame] | 1554 | if (!this_lstnr) { |
| 1555 | pr_err("Invalid listener ID\n"); |
| 1556 | return -ENODATA; |
| 1557 | } |
| 1558 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1559 | while (1) { |
Mona Hossain | acea102 | 2012-04-09 13:37:27 -0700 | [diff] [blame] | 1560 | if (wait_event_freezable(this_lstnr->rcv_req_wq, |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1561 | __qseecom_listener_has_rcvd_req(data, |
| 1562 | this_lstnr))) { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 1563 | pr_warning("Interrupted: exiting Listener Service = %d\n", |
| 1564 | (uint32_t)data->listener.id); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1565 | /* woken up for different reason */ |
| 1566 | return -ERESTARTSYS; |
| 1567 | } |
| 1568 | |
| 1569 | if (data->abort) { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 1570 | pr_err("Aborting Listener Service = %d\n", |
| 1571 | (uint32_t)data->listener.id); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1572 | return -ENODEV; |
| 1573 | } |
| 1574 | this_lstnr->rcv_req_flag = 0; |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 1575 | break; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 1576 | } |
| 1577 | return ret; |
| 1578 | } |
| 1579 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1580 | static bool __qseecom_is_fw_image_valid(const struct firmware *fw_entry) |
| 1581 | { |
| 1582 | struct elf32_hdr *ehdr; |
| 1583 | |
| 1584 | if (fw_entry->size < sizeof(*ehdr)) { |
| 1585 | pr_err("%s: Not big enough to be an elf header\n", |
| 1586 | qseecom.pdev->init_name); |
| 1587 | return false; |
| 1588 | } |
| 1589 | ehdr = (struct elf32_hdr *)fw_entry->data; |
| 1590 | if (memcmp(ehdr->e_ident, ELFMAG, SELFMAG)) { |
| 1591 | pr_err("%s: Not an elf header\n", |
| 1592 | qseecom.pdev->init_name); |
| 1593 | return false; |
| 1594 | } |
| 1595 | |
| 1596 | if (ehdr->e_phnum == 0) { |
| 1597 | pr_err("%s: No loadable segments\n", |
| 1598 | qseecom.pdev->init_name); |
| 1599 | return false; |
| 1600 | } |
| 1601 | if (sizeof(struct elf32_phdr) * ehdr->e_phnum + |
| 1602 | sizeof(struct elf32_hdr) > fw_entry->size) { |
| 1603 | pr_err("%s: Program headers not within mdt\n", |
| 1604 | qseecom.pdev->init_name); |
| 1605 | return false; |
| 1606 | } |
| 1607 | return true; |
| 1608 | } |
| 1609 | |
| 1610 | static int __qseecom_get_fw_size(char *appname, uint32_t *fw_size) |
| 1611 | { |
| 1612 | int ret = -1; |
| 1613 | int i = 0, rc = 0; |
| 1614 | const struct firmware *fw_entry = NULL; |
| 1615 | struct elf32_phdr *phdr; |
| 1616 | char fw_name[MAX_APP_NAME_SIZE]; |
| 1617 | struct elf32_hdr *ehdr; |
| 1618 | int num_images = 0; |
| 1619 | |
| 1620 | snprintf(fw_name, sizeof(fw_name), "%s.mdt", appname); |
| 1621 | rc = request_firmware(&fw_entry, fw_name, qseecom.pdev); |
| 1622 | if (rc) { |
| 1623 | pr_err("error with request_firmware\n"); |
| 1624 | ret = -EIO; |
| 1625 | goto err; |
| 1626 | } |
| 1627 | if (!__qseecom_is_fw_image_valid(fw_entry)) { |
| 1628 | ret = -EIO; |
| 1629 | goto err; |
| 1630 | } |
| 1631 | *fw_size = fw_entry->size; |
| 1632 | phdr = (struct elf32_phdr *)(fw_entry->data + sizeof(struct elf32_hdr)); |
| 1633 | ehdr = (struct elf32_hdr *)fw_entry->data; |
| 1634 | num_images = ehdr->e_phnum; |
| 1635 | release_firmware(fw_entry); |
| 1636 | for (i = 0; i < num_images; i++, phdr++) { |
| 1637 | memset(fw_name, 0, sizeof(fw_name)); |
| 1638 | snprintf(fw_name, ARRAY_SIZE(fw_name), "%s.b%02d", appname, i); |
| 1639 | ret = request_firmware(&fw_entry, fw_name, qseecom.pdev); |
| 1640 | if (ret) |
| 1641 | goto err; |
| 1642 | *fw_size += fw_entry->size; |
| 1643 | release_firmware(fw_entry); |
| 1644 | } |
| 1645 | return ret; |
| 1646 | err: |
| 1647 | if (fw_entry) |
| 1648 | release_firmware(fw_entry); |
| 1649 | *fw_size = 0; |
| 1650 | return ret; |
| 1651 | } |
| 1652 | |
| 1653 | static int __qseecom_get_fw_data(char *appname, u8 *img_data, |
| 1654 | struct qseecom_load_app_ireq *load_req) |
| 1655 | { |
| 1656 | int ret = -1; |
| 1657 | int i = 0, rc = 0; |
| 1658 | const struct firmware *fw_entry = NULL; |
| 1659 | char fw_name[MAX_APP_NAME_SIZE]; |
| 1660 | u8 *img_data_ptr = img_data; |
| 1661 | struct elf32_hdr *ehdr; |
| 1662 | int num_images = 0; |
| 1663 | |
| 1664 | snprintf(fw_name, sizeof(fw_name), "%s.mdt", appname); |
| 1665 | rc = request_firmware(&fw_entry, fw_name, qseecom.pdev); |
| 1666 | if (rc) { |
| 1667 | ret = -EIO; |
| 1668 | goto err; |
| 1669 | } |
| 1670 | load_req->img_len = fw_entry->size; |
| 1671 | memcpy(img_data_ptr, fw_entry->data, fw_entry->size); |
| 1672 | img_data_ptr = img_data_ptr + fw_entry->size; |
| 1673 | load_req->mdt_len = fw_entry->size; /*Get MDT LEN*/ |
| 1674 | ehdr = (struct elf32_hdr *)fw_entry->data; |
| 1675 | num_images = ehdr->e_phnum; |
| 1676 | release_firmware(fw_entry); |
| 1677 | for (i = 0; i < num_images; i++) { |
| 1678 | snprintf(fw_name, ARRAY_SIZE(fw_name), "%s.b%02d", appname, i); |
| 1679 | ret = request_firmware(&fw_entry, fw_name, qseecom.pdev); |
| 1680 | if (ret) { |
| 1681 | pr_err("Failed to locate blob %s\n", fw_name); |
| 1682 | goto err; |
| 1683 | } |
| 1684 | memcpy(img_data_ptr, fw_entry->data, fw_entry->size); |
| 1685 | img_data_ptr = img_data_ptr + fw_entry->size; |
| 1686 | load_req->img_len += fw_entry->size; |
| 1687 | release_firmware(fw_entry); |
| 1688 | } |
| 1689 | load_req->phy_addr = virt_to_phys(img_data); |
| 1690 | return ret; |
| 1691 | err: |
| 1692 | release_firmware(fw_entry); |
| 1693 | return ret; |
| 1694 | } |
| 1695 | |
| 1696 | static int __qseecom_load_fw(struct qseecom_dev_handle *data, char *appname) |
| 1697 | { |
| 1698 | int ret = -1; |
| 1699 | uint32_t fw_size = 0; |
| 1700 | struct qseecom_load_app_ireq load_req = {0, 0, 0, 0}; |
| 1701 | struct qseecom_command_scm_resp resp; |
| 1702 | u8 *img_data = NULL; |
| 1703 | |
| 1704 | if (__qseecom_get_fw_size(appname, &fw_size)) |
| 1705 | return -EIO; |
| 1706 | |
| 1707 | img_data = kzalloc(fw_size, GFP_KERNEL); |
| 1708 | if (!img_data) { |
| 1709 | pr_err("Failied to allocate memory for copying image data\n"); |
| 1710 | return -ENOMEM; |
| 1711 | } |
| 1712 | ret = __qseecom_get_fw_data(appname, img_data, &load_req); |
| 1713 | if (ret) { |
| 1714 | kzfree(img_data); |
| 1715 | return -EIO; |
| 1716 | } |
| 1717 | |
| 1718 | /* Populate the remaining parameters */ |
| 1719 | load_req.qsee_cmd_id = QSEOS_APP_START_COMMAND; |
| 1720 | memcpy(load_req.app_name, appname, MAX_APP_NAME_SIZE); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1721 | ret = __qseecom_enable_clk_scale_up(data); |
Mona Hossain | 60f9fb0 | 2012-11-05 13:51:50 -0800 | [diff] [blame] | 1722 | if (ret) { |
| 1723 | kzfree(img_data); |
Mona Hossain | 60f9fb0 | 2012-11-05 13:51:50 -0800 | [diff] [blame] | 1724 | return -EIO; |
| 1725 | } |
| 1726 | |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 1727 | __cpuc_flush_dcache_area((void *)img_data, fw_size); |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1728 | /* SCM_CALL to load the image */ |
| 1729 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, &load_req, |
| 1730 | sizeof(struct qseecom_load_app_ireq), |
| 1731 | &resp, sizeof(resp)); |
| 1732 | kzfree(img_data); |
| 1733 | if (ret) { |
| 1734 | pr_err("scm_call to load failed : ret %d\n", ret); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1735 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1736 | return -EIO; |
| 1737 | } |
| 1738 | |
| 1739 | switch (resp.result) { |
| 1740 | case QSEOS_RESULT_SUCCESS: |
| 1741 | ret = resp.data; |
| 1742 | break; |
| 1743 | case QSEOS_RESULT_INCOMPLETE: |
| 1744 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
| 1745 | if (ret) |
| 1746 | pr_err("process_incomplete_cmd FAILED\n"); |
| 1747 | else |
| 1748 | ret = resp.data; |
| 1749 | break; |
| 1750 | case QSEOS_RESULT_FAILURE: |
| 1751 | pr_err("scm call failed with response QSEOS_RESULT FAILURE\n"); |
| 1752 | break; |
| 1753 | default: |
| 1754 | pr_err("scm call return unknown response %d\n", resp.result); |
| 1755 | ret = -EINVAL; |
| 1756 | break; |
| 1757 | } |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1758 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 60f9fb0 | 2012-11-05 13:51:50 -0800 | [diff] [blame] | 1759 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1760 | return ret; |
| 1761 | } |
| 1762 | |
Mona Hossain | 9498f5e | 2013-01-23 18:08:45 -0800 | [diff] [blame] | 1763 | static int qseecom_load_commonlib_image(struct qseecom_dev_handle *data) |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 1764 | { |
| 1765 | int32_t ret = 0; |
| 1766 | uint32_t fw_size = 0; |
| 1767 | struct qseecom_load_app_ireq load_req = {0, 0, 0, 0}; |
| 1768 | struct qseecom_command_scm_resp resp; |
| 1769 | u8 *img_data = NULL; |
| 1770 | |
Hariprasad Dhalinarasimha | a3b9644 | 2013-01-02 10:40:40 -0800 | [diff] [blame] | 1771 | if (__qseecom_get_fw_size("cmnlib", &fw_size)) |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 1772 | return -EIO; |
| 1773 | |
| 1774 | img_data = kzalloc(fw_size, GFP_KERNEL); |
| 1775 | if (!img_data) { |
| 1776 | pr_err("Mem allocation for lib image data failed\n"); |
| 1777 | return -ENOMEM; |
| 1778 | } |
Hariprasad Dhalinarasimha | a3b9644 | 2013-01-02 10:40:40 -0800 | [diff] [blame] | 1779 | ret = __qseecom_get_fw_data("cmnlib", img_data, &load_req); |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 1780 | if (ret) { |
| 1781 | kzfree(img_data); |
| 1782 | return -EIO; |
| 1783 | } |
| 1784 | /* Populate the remaining parameters */ |
| 1785 | load_req.qsee_cmd_id = QSEOS_LOAD_SERV_IMAGE_COMMAND; |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 1786 | /* Vote for the SFPB clock */ |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1787 | ret = __qseecom_enable_clk_scale_up(data); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 1788 | if (ret) { |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 1789 | kzfree(img_data); |
| 1790 | return -EIO; |
| 1791 | } |
| 1792 | |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 1793 | __cpuc_flush_dcache_area((void *)img_data, fw_size); |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 1794 | /* SCM_CALL to load the image */ |
| 1795 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, &load_req, |
| 1796 | sizeof(struct qseecom_load_lib_image_ireq), |
| 1797 | &resp, sizeof(resp)); |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 1798 | if (ret) { |
| 1799 | pr_err("scm_call to load failed : ret %d\n", ret); |
| 1800 | ret = -EIO; |
| 1801 | } else { |
| 1802 | switch (resp.result) { |
| 1803 | case QSEOS_RESULT_SUCCESS: |
| 1804 | break; |
| 1805 | case QSEOS_RESULT_FAILURE: |
| 1806 | pr_err("scm call failed w/response result%d\n", |
| 1807 | resp.result); |
| 1808 | ret = -EINVAL; |
| 1809 | break; |
Mona Hossain | 9498f5e | 2013-01-23 18:08:45 -0800 | [diff] [blame] | 1810 | case QSEOS_RESULT_INCOMPLETE: |
| 1811 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
| 1812 | if (ret) |
| 1813 | pr_err("process_incomplete_cmd failed err: %d\n", |
| 1814 | ret); |
| 1815 | break; |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 1816 | default: |
| 1817 | pr_err("scm call return unknown response %d\n", |
| 1818 | resp.result); |
| 1819 | ret = -EINVAL; |
| 1820 | break; |
| 1821 | } |
| 1822 | } |
Hariprasad Dhalinarasimha | 1a81ca3 | 2013-01-31 18:32:32 -0800 | [diff] [blame] | 1823 | kzfree(img_data); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 1824 | __qseecom_disable_clk_scale_down(data); |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 1825 | return ret; |
| 1826 | } |
| 1827 | |
| 1828 | static int qseecom_unload_commonlib_image(void) |
| 1829 | { |
| 1830 | int ret = -EINVAL; |
| 1831 | struct qseecom_unload_lib_image_ireq unload_req = {0}; |
| 1832 | struct qseecom_command_scm_resp resp; |
| 1833 | |
| 1834 | /* Populate the remaining parameters */ |
| 1835 | unload_req.qsee_cmd_id = QSEOS_UNLOAD_SERV_IMAGE_COMMAND; |
| 1836 | /* SCM_CALL to load the image */ |
| 1837 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, &unload_req, |
| 1838 | sizeof(struct qseecom_unload_lib_image_ireq), |
| 1839 | &resp, sizeof(resp)); |
| 1840 | if (ret) { |
| 1841 | pr_err("scm_call to unload lib failed : ret %d\n", ret); |
| 1842 | ret = -EIO; |
| 1843 | } else { |
| 1844 | switch (resp.result) { |
| 1845 | case QSEOS_RESULT_SUCCESS: |
| 1846 | break; |
| 1847 | case QSEOS_RESULT_FAILURE: |
| 1848 | pr_err("scm fail resp.result QSEOS_RESULT FAILURE\n"); |
| 1849 | break; |
| 1850 | default: |
| 1851 | pr_err("scm call return unknown response %d\n", |
| 1852 | resp.result); |
| 1853 | ret = -EINVAL; |
| 1854 | break; |
| 1855 | } |
| 1856 | } |
| 1857 | return ret; |
| 1858 | } |
| 1859 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1860 | int qseecom_start_app(struct qseecom_handle **handle, |
| 1861 | char *app_name, uint32_t size) |
| 1862 | { |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 1863 | int32_t ret = 0; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1864 | unsigned long flags = 0; |
| 1865 | struct qseecom_dev_handle *data = NULL; |
| 1866 | struct qseecom_check_app_ireq app_ireq; |
| 1867 | struct qseecom_registered_app_list *entry = NULL; |
| 1868 | struct qseecom_registered_kclient_list *kclient_entry = NULL; |
| 1869 | bool found_app = false; |
| 1870 | uint32_t len; |
| 1871 | ion_phys_addr_t pa; |
| 1872 | |
Mona Hossain | 823f988 | 2012-11-23 14:42:20 -0800 | [diff] [blame] | 1873 | *handle = kzalloc(sizeof(struct qseecom_handle), GFP_KERNEL); |
| 1874 | if (!(*handle)) { |
| 1875 | pr_err("failed to allocate memory for kernel client handle\n"); |
| 1876 | return -ENOMEM; |
| 1877 | } |
| 1878 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1879 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
| 1880 | if (!data) { |
| 1881 | pr_err("kmalloc failed\n"); |
| 1882 | if (ret == 0) { |
| 1883 | kfree(*handle); |
| 1884 | *handle = NULL; |
| 1885 | } |
| 1886 | return -ENOMEM; |
| 1887 | } |
| 1888 | data->abort = 0; |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 1889 | data->type = QSEECOM_CLIENT_APP; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1890 | data->released = false; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1891 | data->client.sb_length = size; |
| 1892 | data->client.user_virt_sb_base = 0; |
| 1893 | data->client.ihandle = NULL; |
| 1894 | |
| 1895 | init_waitqueue_head(&data->abort_wq); |
| 1896 | atomic_set(&data->ioctl_count, 0); |
| 1897 | |
| 1898 | data->client.ihandle = ion_alloc(qseecom.ion_clnt, size, 4096, |
| 1899 | ION_HEAP(ION_QSECOM_HEAP_ID), 0); |
| 1900 | if (IS_ERR_OR_NULL(data->client.ihandle)) { |
| 1901 | pr_err("Ion client could not retrieve the handle\n"); |
| 1902 | kfree(data); |
| 1903 | kfree(*handle); |
| 1904 | *handle = NULL; |
| 1905 | return -EINVAL; |
| 1906 | } |
Mona Hossain | b2dc0f8 | 2013-05-22 09:26:50 -0700 | [diff] [blame] | 1907 | mutex_lock(&app_access_lock); |
Mona Hossain | 9498f5e | 2013-01-23 18:08:45 -0800 | [diff] [blame] | 1908 | if (qseecom.qsee_version > QSEEE_VERSION_00) { |
Mona Hossain | 9498f5e | 2013-01-23 18:08:45 -0800 | [diff] [blame] | 1909 | if (qseecom.commonlib_loaded == false) { |
| 1910 | ret = qseecom_load_commonlib_image(data); |
| 1911 | if (ret == 0) |
| 1912 | qseecom.commonlib_loaded = true; |
| 1913 | } |
Mona Hossain | 9498f5e | 2013-01-23 18:08:45 -0800 | [diff] [blame] | 1914 | } |
Mona Hossain | 9498f5e | 2013-01-23 18:08:45 -0800 | [diff] [blame] | 1915 | if (ret) { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 1916 | pr_err("Failed to load commonlib image\n"); |
Mona Hossain | b2dc0f8 | 2013-05-22 09:26:50 -0700 | [diff] [blame] | 1917 | ret = -EIO; |
| 1918 | goto err; |
Mona Hossain | 9498f5e | 2013-01-23 18:08:45 -0800 | [diff] [blame] | 1919 | } |
| 1920 | |
| 1921 | app_ireq.qsee_cmd_id = QSEOS_APP_LOOKUP_COMMAND; |
| 1922 | memcpy(app_ireq.app_name, app_name, MAX_APP_NAME_SIZE); |
| 1923 | ret = __qseecom_check_app_exists(app_ireq); |
Mona Hossain | b2dc0f8 | 2013-05-22 09:26:50 -0700 | [diff] [blame] | 1924 | if (ret < 0) |
| 1925 | goto err; |
| 1926 | |
Hariprasad Dhalinarasimha | efecbfd | 2013-04-10 15:13:03 -0700 | [diff] [blame] | 1927 | data->client.app_id = ret; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1928 | if (ret > 0) { |
| 1929 | pr_warn("App id %d for [%s] app exists\n", ret, |
| 1930 | (char *)app_ireq.app_name); |
| 1931 | spin_lock_irqsave(&qseecom.registered_app_list_lock, flags); |
| 1932 | list_for_each_entry(entry, |
| 1933 | &qseecom.registered_app_list_head, list){ |
| 1934 | if (entry->app_id == ret) { |
| 1935 | entry->ref_cnt++; |
| 1936 | found_app = true; |
| 1937 | break; |
| 1938 | } |
| 1939 | } |
| 1940 | spin_unlock_irqrestore( |
| 1941 | &qseecom.registered_app_list_lock, flags); |
| 1942 | if (!found_app) |
| 1943 | pr_warn("App_id %d [%s] was loaded but not registered\n", |
| 1944 | ret, (char *)app_ireq.app_name); |
| 1945 | } else { |
| 1946 | /* load the app and get the app_id */ |
| 1947 | pr_debug("%s: Loading app for the first time'\n", |
| 1948 | qseecom.pdev->init_name); |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1949 | ret = __qseecom_load_fw(data, app_name); |
Mona Hossain | b2dc0f8 | 2013-05-22 09:26:50 -0700 | [diff] [blame] | 1950 | if (ret < 0) |
| 1951 | goto err; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1952 | data->client.app_id = ret; |
| 1953 | } |
| 1954 | if (!found_app) { |
| 1955 | entry = kmalloc(sizeof(*entry), GFP_KERNEL); |
| 1956 | if (!entry) { |
Mona Hossain | b2dc0f8 | 2013-05-22 09:26:50 -0700 | [diff] [blame] | 1957 | pr_err("kmalloc for app entry failed\n"); |
| 1958 | ret = -ENOMEM; |
| 1959 | goto err; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1960 | } |
| 1961 | entry->app_id = ret; |
| 1962 | entry->ref_cnt = 1; |
| 1963 | |
| 1964 | spin_lock_irqsave(&qseecom.registered_app_list_lock, flags); |
| 1965 | list_add_tail(&entry->list, &qseecom.registered_app_list_head); |
| 1966 | spin_unlock_irqrestore(&qseecom.registered_app_list_lock, |
| 1967 | flags); |
| 1968 | } |
| 1969 | |
| 1970 | /* Get the physical address of the ION BUF */ |
| 1971 | ret = ion_phys(qseecom.ion_clnt, data->client.ihandle, &pa, &len); |
| 1972 | /* Populate the structure for sending scm call to load image */ |
| 1973 | data->client.sb_virt = (char *) ion_map_kernel(qseecom.ion_clnt, |
| 1974 | data->client.ihandle); |
Hariprasad Dhalinarasimha | acfb09c | 2013-01-10 13:16:15 -0800 | [diff] [blame] | 1975 | data->client.user_virt_sb_base = (uint32_t)data->client.sb_virt; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1976 | data->client.sb_phys = pa; |
| 1977 | (*handle)->dev = (void *)data; |
| 1978 | (*handle)->sbuf = (unsigned char *)data->client.sb_virt; |
| 1979 | (*handle)->sbuf_len = data->client.sb_length; |
| 1980 | |
| 1981 | kclient_entry = kzalloc(sizeof(*kclient_entry), GFP_KERNEL); |
| 1982 | if (!kclient_entry) { |
| 1983 | pr_err("kmalloc failed\n"); |
Mona Hossain | b2dc0f8 | 2013-05-22 09:26:50 -0700 | [diff] [blame] | 1984 | ret = -ENOMEM; |
| 1985 | goto err; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1986 | } |
| 1987 | kclient_entry->handle = *handle; |
| 1988 | |
| 1989 | spin_lock_irqsave(&qseecom.registered_kclient_list_lock, flags); |
| 1990 | list_add_tail(&kclient_entry->list, |
| 1991 | &qseecom.registered_kclient_list_head); |
| 1992 | spin_unlock_irqrestore(&qseecom.registered_kclient_list_lock, flags); |
| 1993 | |
Mona Hossain | b2dc0f8 | 2013-05-22 09:26:50 -0700 | [diff] [blame] | 1994 | mutex_unlock(&app_access_lock); |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 1995 | return 0; |
Mona Hossain | b2dc0f8 | 2013-05-22 09:26:50 -0700 | [diff] [blame] | 1996 | |
| 1997 | err: |
| 1998 | kfree(data); |
| 1999 | kfree(*handle); |
| 2000 | *handle = NULL; |
| 2001 | mutex_unlock(&app_access_lock); |
| 2002 | return ret; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 2003 | } |
| 2004 | EXPORT_SYMBOL(qseecom_start_app); |
| 2005 | |
| 2006 | int qseecom_shutdown_app(struct qseecom_handle **handle) |
| 2007 | { |
| 2008 | int ret = -EINVAL; |
Mona Hossain | 3382402 | 2013-02-25 09:32:33 -0800 | [diff] [blame] | 2009 | struct qseecom_dev_handle *data; |
| 2010 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 2011 | struct qseecom_registered_kclient_list *kclient = NULL; |
| 2012 | unsigned long flags = 0; |
| 2013 | bool found_handle = false; |
| 2014 | |
Mona Hossain | 3382402 | 2013-02-25 09:32:33 -0800 | [diff] [blame] | 2015 | if ((handle == NULL) || (*handle == NULL)) { |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 2016 | pr_err("Handle is not initialized\n"); |
| 2017 | return -EINVAL; |
| 2018 | } |
Mona Hossain | 3382402 | 2013-02-25 09:32:33 -0800 | [diff] [blame] | 2019 | data = (struct qseecom_dev_handle *) ((*handle)->dev); |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 2020 | spin_lock_irqsave(&qseecom.registered_kclient_list_lock, flags); |
| 2021 | list_for_each_entry(kclient, &qseecom.registered_kclient_list_head, |
| 2022 | list) { |
| 2023 | if (kclient->handle == (*handle)) { |
| 2024 | list_del(&kclient->list); |
| 2025 | found_handle = true; |
| 2026 | break; |
| 2027 | } |
| 2028 | } |
| 2029 | spin_unlock_irqrestore(&qseecom.registered_kclient_list_lock, flags); |
| 2030 | if (!found_handle) |
| 2031 | pr_err("Unable to find the handle, exiting\n"); |
| 2032 | else |
| 2033 | ret = qseecom_unload_app(data); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 2034 | |
| 2035 | if (qseecom.support_bus_scaling) { |
| 2036 | mutex_lock(&qsee_bw_mutex); |
| 2037 | if (data->mode != INACTIVE) { |
| 2038 | qseecom_unregister_bus_bandwidth_needs(data); |
| 2039 | if (qseecom.cumulative_mode == INACTIVE) { |
| 2040 | ret = __qseecom_set_msm_bus_request(INACTIVE); |
| 2041 | if (ret) |
| 2042 | pr_err("Fail to scale down bus\n"); |
| 2043 | } |
| 2044 | } |
| 2045 | mutex_unlock(&qsee_bw_mutex); |
| 2046 | } else { |
| 2047 | if (data->fast_load_enabled == true) |
| 2048 | qsee_disable_clock_vote(data, CLK_SFPB); |
| 2049 | if (data->perf_enabled == true) |
| 2050 | qsee_disable_clock_vote(data, CLK_DFAB); |
| 2051 | } |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 2052 | if (ret == 0) { |
| 2053 | kzfree(data); |
| 2054 | kzfree(*handle); |
| 2055 | kzfree(kclient); |
| 2056 | *handle = NULL; |
| 2057 | } |
| 2058 | return ret; |
| 2059 | } |
| 2060 | EXPORT_SYMBOL(qseecom_shutdown_app); |
| 2061 | |
| 2062 | int qseecom_send_command(struct qseecom_handle *handle, void *send_buf, |
| 2063 | uint32_t sbuf_len, void *resp_buf, uint32_t rbuf_len) |
| 2064 | { |
| 2065 | int ret = 0; |
| 2066 | struct qseecom_send_cmd_req req = {0, 0, 0, 0}; |
| 2067 | struct qseecom_dev_handle *data; |
| 2068 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 2069 | if (handle == NULL) { |
| 2070 | pr_err("Handle is not initialized\n"); |
| 2071 | return -EINVAL; |
| 2072 | } |
| 2073 | data = handle->dev; |
| 2074 | |
| 2075 | req.cmd_req_len = sbuf_len; |
| 2076 | req.resp_len = rbuf_len; |
| 2077 | req.cmd_req_buf = send_buf; |
| 2078 | req.resp_buf = resp_buf; |
| 2079 | |
| 2080 | mutex_lock(&app_access_lock); |
| 2081 | atomic_inc(&data->ioctl_count); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 2082 | if (qseecom.support_bus_scaling) |
| 2083 | qseecom_scale_bus_bandwidth_timer(INACTIVE, |
| 2084 | QSEECOM_SEND_CMD_CRYPTO_TIMEOUT); |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 2085 | ret = __qseecom_send_cmd(data, &req); |
Zhen Kong | 06418b7 | 2014-02-05 17:36:23 -0800 | [diff] [blame] | 2086 | if (qseecom.support_bus_scaling) { |
| 2087 | mutex_lock(&qsee_bw_mutex); |
| 2088 | qseecom.bw_scale_down_timer.expires = jiffies + |
| 2089 | msecs_to_jiffies(QSEECOM_SEND_CMD_CRYPTO_TIMEOUT); |
| 2090 | add_timer(&(qseecom.bw_scale_down_timer)); |
| 2091 | qseecom.timer_running = true; |
| 2092 | mutex_unlock(&qsee_bw_mutex); |
| 2093 | } |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 2094 | |
| 2095 | atomic_dec(&data->ioctl_count); |
| 2096 | mutex_unlock(&app_access_lock); |
| 2097 | |
| 2098 | if (ret) |
| 2099 | return ret; |
| 2100 | |
| 2101 | pr_debug("sending cmd_req->rsp size: %u, ptr: 0x%p\n", |
| 2102 | req.resp_len, req.resp_buf); |
| 2103 | return ret; |
| 2104 | } |
| 2105 | EXPORT_SYMBOL(qseecom_send_command); |
| 2106 | |
Mona Hossain | 91a8fc9 | 2012-11-07 19:58:30 -0800 | [diff] [blame] | 2107 | int qseecom_set_bandwidth(struct qseecom_handle *handle, bool high) |
| 2108 | { |
Mona Hossain | fca6f42 | 2013-01-12 13:00:35 -0800 | [diff] [blame] | 2109 | int ret = 0; |
Mona Hossain | 91a8fc9 | 2012-11-07 19:58:30 -0800 | [diff] [blame] | 2110 | if ((handle == NULL) || (handle->dev == NULL)) { |
| 2111 | pr_err("No valid kernel client\n"); |
| 2112 | return -EINVAL; |
| 2113 | } |
Mona Hossain | fca6f42 | 2013-01-12 13:00:35 -0800 | [diff] [blame] | 2114 | if (high) { |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 2115 | if (qseecom.support_bus_scaling) { |
| 2116 | mutex_lock(&qsee_bw_mutex); |
| 2117 | __qseecom_register_bus_bandwidth_needs(handle->dev, |
| 2118 | HIGH); |
| 2119 | mutex_unlock(&qsee_bw_mutex); |
| 2120 | if (ret) |
| 2121 | pr_err("Failed to scale bus (med) %d\n", ret); |
| 2122 | } else { |
| 2123 | ret = qsee_vote_for_clock(handle->dev, CLK_DFAB); |
| 2124 | if (ret) |
| 2125 | pr_err("Failed to vote for DFAB clock%d\n", |
| 2126 | ret); |
| 2127 | ret = qsee_vote_for_clock(handle->dev, CLK_SFPB); |
| 2128 | if (ret) { |
| 2129 | pr_err("Failed to vote for SFPB clock%d\n", |
| 2130 | ret); |
| 2131 | qsee_disable_clock_vote(handle->dev, CLK_DFAB); |
| 2132 | } |
Mona Hossain | fca6f42 | 2013-01-12 13:00:35 -0800 | [diff] [blame] | 2133 | } |
| 2134 | } else { |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 2135 | if (!qseecom.support_bus_scaling) { |
| 2136 | qsee_disable_clock_vote(handle->dev, CLK_DFAB); |
| 2137 | qsee_disable_clock_vote(handle->dev, CLK_SFPB); |
| 2138 | } |
Mona Hossain | 91a8fc9 | 2012-11-07 19:58:30 -0800 | [diff] [blame] | 2139 | } |
Mona Hossain | fca6f42 | 2013-01-12 13:00:35 -0800 | [diff] [blame] | 2140 | return ret; |
Mona Hossain | 91a8fc9 | 2012-11-07 19:58:30 -0800 | [diff] [blame] | 2141 | } |
| 2142 | EXPORT_SYMBOL(qseecom_set_bandwidth); |
| 2143 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2144 | static int qseecom_send_resp(void) |
| 2145 | { |
| 2146 | qseecom.send_resp_flag = 1; |
| 2147 | wake_up_interruptible(&qseecom.send_resp_wq); |
| 2148 | return 0; |
| 2149 | } |
| 2150 | |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 2151 | |
| 2152 | static int qseecom_send_modfd_resp(struct qseecom_dev_handle *data, |
| 2153 | void __user *argp) |
| 2154 | { |
| 2155 | struct qseecom_send_modfd_listener_resp resp; |
Mona Hossain | dddf444 | 2013-10-01 14:08:20 -0700 | [diff] [blame] | 2156 | int i; |
Zhen Kong | f494819 | 2013-11-25 13:05:35 -0800 | [diff] [blame] | 2157 | struct qseecom_registered_listener_list *this_lstnr = NULL; |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 2158 | |
| 2159 | if (copy_from_user(&resp, argp, sizeof(resp))) { |
| 2160 | pr_err("copy_from_user failed"); |
| 2161 | return -EINVAL; |
| 2162 | } |
Zhen Kong | f494819 | 2013-11-25 13:05:35 -0800 | [diff] [blame] | 2163 | this_lstnr = __qseecom_find_svc(data->listener.id); |
| 2164 | if (this_lstnr == NULL) |
| 2165 | return -EINVAL; |
| 2166 | |
| 2167 | if (resp.resp_buf_ptr == NULL) { |
| 2168 | pr_err("Invalid resp_buf_ptr\n"); |
| 2169 | return -EINVAL; |
| 2170 | } |
Mona Hossain | dddf444 | 2013-10-01 14:08:20 -0700 | [diff] [blame] | 2171 | /* validate offsets */ |
| 2172 | for (i = 0; i < MAX_ION_FD; i++) { |
| 2173 | if (resp.ifd_data[i].cmd_buf_offset >= resp.resp_len) { |
| 2174 | pr_err("Invalid offset %d = 0x%x\n", |
| 2175 | i, resp.ifd_data[i].cmd_buf_offset); |
| 2176 | return -EINVAL; |
| 2177 | } |
| 2178 | } |
Zhen Kong | f494819 | 2013-11-25 13:05:35 -0800 | [diff] [blame] | 2179 | |
| 2180 | if (((uint32_t)resp.resp_buf_ptr < |
| 2181 | this_lstnr->user_virt_sb_base) |
| 2182 | || ((uint32_t)resp.resp_buf_ptr >= |
| 2183 | (this_lstnr->user_virt_sb_base + |
| 2184 | this_lstnr->sb_length))) { |
| 2185 | pr_err("resp_buf_ptr address not within shared buffer\n"); |
| 2186 | return -EINVAL; |
| 2187 | } |
| 2188 | resp.resp_buf_ptr = (uint32_t)this_lstnr->sb_virt + |
| 2189 | (resp.resp_buf_ptr - this_lstnr->user_virt_sb_base); |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 2190 | __qseecom_update_cmd_buf(&resp, false, data, true); |
| 2191 | qseecom.send_resp_flag = 1; |
| 2192 | wake_up_interruptible(&qseecom.send_resp_wq); |
| 2193 | return 0; |
| 2194 | } |
| 2195 | |
| 2196 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2197 | static int qseecom_get_qseos_version(struct qseecom_dev_handle *data, |
| 2198 | void __user *argp) |
| 2199 | { |
| 2200 | struct qseecom_qseos_version_req req; |
| 2201 | |
| 2202 | if (copy_from_user(&req, argp, sizeof(req))) { |
| 2203 | pr_err("copy_from_user failed"); |
| 2204 | return -EINVAL; |
| 2205 | } |
| 2206 | req.qseos_version = qseecom.qseos_version; |
| 2207 | if (copy_to_user(argp, &req, sizeof(req))) { |
| 2208 | pr_err("copy_to_user failed"); |
| 2209 | return -EINVAL; |
| 2210 | } |
| 2211 | return 0; |
| 2212 | } |
| 2213 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2214 | static int __qseecom_enable_clk(enum qseecom_ce_hw_instance ce) |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2215 | { |
| 2216 | int rc = 0; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2217 | struct qseecom_clk *qclk; |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2218 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2219 | if (ce == CLK_QSEE) |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2220 | qclk = &qseecom.qsee; |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2221 | else |
| 2222 | qclk = &qseecom.ce_drv; |
| 2223 | |
| 2224 | mutex_lock(&clk_access_lock); |
Zhen Kong | 1f09c769 | 2013-05-03 17:50:32 -0700 | [diff] [blame] | 2225 | |
| 2226 | if (qclk->clk_access_cnt == ULONG_MAX) |
| 2227 | goto err; |
| 2228 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2229 | if (qclk->clk_access_cnt > 0) { |
| 2230 | qclk->clk_access_cnt++; |
| 2231 | mutex_unlock(&clk_access_lock); |
| 2232 | return rc; |
| 2233 | } |
| 2234 | |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2235 | /* Enable CE core clk */ |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2236 | rc = clk_prepare_enable(qclk->ce_core_clk); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2237 | if (rc) { |
| 2238 | pr_err("Unable to enable/prepare CE core clk\n"); |
| 2239 | goto err; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2240 | } |
| 2241 | /* Enable CE clk */ |
| 2242 | rc = clk_prepare_enable(qclk->ce_clk); |
| 2243 | if (rc) { |
| 2244 | pr_err("Unable to enable/prepare CE iface clk\n"); |
| 2245 | goto ce_clk_err; |
| 2246 | } |
| 2247 | /* Enable AXI clk */ |
| 2248 | rc = clk_prepare_enable(qclk->ce_bus_clk); |
| 2249 | if (rc) { |
| 2250 | pr_err("Unable to enable/prepare CE bus clk\n"); |
| 2251 | goto ce_bus_clk_err; |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2252 | } |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2253 | qclk->clk_access_cnt++; |
| 2254 | mutex_unlock(&clk_access_lock); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2255 | return 0; |
| 2256 | |
| 2257 | ce_bus_clk_err: |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2258 | clk_disable_unprepare(qclk->ce_clk); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2259 | ce_clk_err: |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2260 | clk_disable_unprepare(qclk->ce_core_clk); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2261 | err: |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2262 | mutex_unlock(&clk_access_lock); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2263 | return -EIO; |
| 2264 | } |
| 2265 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2266 | static void __qseecom_disable_clk(enum qseecom_ce_hw_instance ce) |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2267 | { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2268 | struct qseecom_clk *qclk; |
| 2269 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2270 | if (ce == CLK_QSEE) |
| 2271 | qclk = &qseecom.qsee; |
| 2272 | else |
| 2273 | qclk = &qseecom.ce_drv; |
| 2274 | |
| 2275 | mutex_lock(&clk_access_lock); |
Zhen Kong | 1f09c769 | 2013-05-03 17:50:32 -0700 | [diff] [blame] | 2276 | |
| 2277 | if (qclk->clk_access_cnt == 0) { |
| 2278 | mutex_unlock(&clk_access_lock); |
| 2279 | return; |
| 2280 | } |
| 2281 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2282 | if (qclk->clk_access_cnt == 1) { |
| 2283 | if (qclk->ce_clk != NULL) |
| 2284 | clk_disable_unprepare(qclk->ce_clk); |
| 2285 | if (qclk->ce_core_clk != NULL) |
| 2286 | clk_disable_unprepare(qclk->ce_core_clk); |
| 2287 | if (qclk->ce_bus_clk != NULL) |
| 2288 | clk_disable_unprepare(qclk->ce_bus_clk); |
| 2289 | } |
| 2290 | qclk->clk_access_cnt--; |
| 2291 | mutex_unlock(&clk_access_lock); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2292 | } |
| 2293 | |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 2294 | static int qsee_vote_for_clock(struct qseecom_dev_handle *data, |
| 2295 | int32_t clk_type) |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2296 | { |
| 2297 | int ret = 0; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2298 | struct qseecom_clk *qclk; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2299 | |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2300 | qclk = &qseecom.qsee; |
| 2301 | if (!qseecom.qsee_perf_client) |
Ramesh Masavarapu | e640e84 | 2012-04-03 11:21:54 -0700 | [diff] [blame] | 2302 | return ret; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2303 | |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2304 | switch (clk_type) { |
| 2305 | case CLK_DFAB: |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2306 | mutex_lock(&qsee_bw_mutex); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2307 | if (!qseecom.qsee_bw_count) { |
| 2308 | if (qseecom.qsee_sfpb_bw_count > 0) |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2309 | ret = msm_bus_scale_client_update_request( |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2310 | qseecom.qsee_perf_client, 3); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 2311 | else { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2312 | if (qclk->ce_core_src_clk != NULL) |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2313 | ret = __qseecom_enable_clk(CLK_QSEE); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2314 | if (!ret) { |
| 2315 | ret = |
| 2316 | msm_bus_scale_client_update_request( |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2317 | qseecom.qsee_perf_client, 1); |
| 2318 | if ((ret) && |
| 2319 | (qclk->ce_core_src_clk != NULL)) |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2320 | __qseecom_disable_clk(CLK_QSEE); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2321 | } |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 2322 | } |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2323 | if (ret) |
| 2324 | pr_err("DFAB Bandwidth req failed (%d)\n", |
| 2325 | ret); |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 2326 | else { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2327 | qseecom.qsee_bw_count++; |
Mona Hossain | c9c83c7 | 2013-04-11 12:43:48 -0700 | [diff] [blame] | 2328 | data->perf_enabled = true; |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 2329 | } |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2330 | } else { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2331 | qseecom.qsee_bw_count++; |
Mona Hossain | c9c83c7 | 2013-04-11 12:43:48 -0700 | [diff] [blame] | 2332 | data->perf_enabled = true; |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2333 | } |
| 2334 | mutex_unlock(&qsee_bw_mutex); |
| 2335 | break; |
| 2336 | case CLK_SFPB: |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2337 | mutex_lock(&qsee_bw_mutex); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2338 | if (!qseecom.qsee_sfpb_bw_count) { |
| 2339 | if (qseecom.qsee_bw_count > 0) |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2340 | ret = msm_bus_scale_client_update_request( |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2341 | qseecom.qsee_perf_client, 3); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 2342 | else { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2343 | if (qclk->ce_core_src_clk != NULL) |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2344 | ret = __qseecom_enable_clk(CLK_QSEE); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2345 | if (!ret) { |
| 2346 | ret = |
| 2347 | msm_bus_scale_client_update_request( |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2348 | qseecom.qsee_perf_client, 2); |
| 2349 | if ((ret) && |
| 2350 | (qclk->ce_core_src_clk != NULL)) |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2351 | __qseecom_disable_clk(CLK_QSEE); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2352 | } |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 2353 | } |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2354 | |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2355 | if (ret) |
| 2356 | pr_err("SFPB Bandwidth req failed (%d)\n", |
| 2357 | ret); |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 2358 | else { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2359 | qseecom.qsee_sfpb_bw_count++; |
Mona Hossain | c9c83c7 | 2013-04-11 12:43:48 -0700 | [diff] [blame] | 2360 | data->fast_load_enabled = true; |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 2361 | } |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2362 | } else { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2363 | qseecom.qsee_sfpb_bw_count++; |
Mona Hossain | c9c83c7 | 2013-04-11 12:43:48 -0700 | [diff] [blame] | 2364 | data->fast_load_enabled = true; |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2365 | } |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2366 | mutex_unlock(&qsee_bw_mutex); |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2367 | break; |
| 2368 | default: |
| 2369 | pr_err("Clock type not defined\n"); |
| 2370 | break; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2371 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2372 | return ret; |
| 2373 | } |
| 2374 | |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 2375 | static void qsee_disable_clock_vote(struct qseecom_dev_handle *data, |
| 2376 | int32_t clk_type) |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2377 | { |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2378 | int32_t ret = 0; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2379 | struct qseecom_clk *qclk; |
Ramesh Masavarapu | a1bc0e4 | 2012-03-05 07:42:48 -0800 | [diff] [blame] | 2380 | |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2381 | qclk = &qseecom.qsee; |
| 2382 | if (!qseecom.qsee_perf_client) |
Ramesh Masavarapu | a1bc0e4 | 2012-03-05 07:42:48 -0800 | [diff] [blame] | 2383 | return; |
| 2384 | |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2385 | switch (clk_type) { |
| 2386 | case CLK_DFAB: |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2387 | mutex_lock(&qsee_bw_mutex); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2388 | if (qseecom.qsee_bw_count == 0) { |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2389 | pr_err("Client error.Extra call to disable DFAB clk\n"); |
| 2390 | mutex_unlock(&qsee_bw_mutex); |
| 2391 | return; |
| 2392 | } |
| 2393 | |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2394 | if (qseecom.qsee_bw_count == 1) { |
| 2395 | if (qseecom.qsee_sfpb_bw_count > 0) |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2396 | ret = msm_bus_scale_client_update_request( |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2397 | qseecom.qsee_perf_client, 2); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 2398 | else { |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2399 | ret = msm_bus_scale_client_update_request( |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2400 | qseecom.qsee_perf_client, 0); |
| 2401 | if ((!ret) && (qclk->ce_core_src_clk != NULL)) |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2402 | __qseecom_disable_clk(CLK_QSEE); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 2403 | } |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2404 | if (ret) |
| 2405 | pr_err("SFPB Bandwidth req fail (%d)\n", |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2406 | ret); |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 2407 | else { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2408 | qseecom.qsee_bw_count--; |
Mona Hossain | c9c83c7 | 2013-04-11 12:43:48 -0700 | [diff] [blame] | 2409 | data->perf_enabled = false; |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 2410 | } |
| 2411 | } else { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2412 | qseecom.qsee_bw_count--; |
Mona Hossain | c9c83c7 | 2013-04-11 12:43:48 -0700 | [diff] [blame] | 2413 | data->perf_enabled = false; |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2414 | } |
| 2415 | mutex_unlock(&qsee_bw_mutex); |
| 2416 | break; |
| 2417 | case CLK_SFPB: |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2418 | mutex_lock(&qsee_bw_mutex); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2419 | if (qseecom.qsee_sfpb_bw_count == 0) { |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2420 | pr_err("Client error.Extra call to disable SFPB clk\n"); |
| 2421 | mutex_unlock(&qsee_bw_mutex); |
| 2422 | return; |
| 2423 | } |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2424 | if (qseecom.qsee_sfpb_bw_count == 1) { |
| 2425 | if (qseecom.qsee_bw_count > 0) |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2426 | ret = msm_bus_scale_client_update_request( |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2427 | qseecom.qsee_perf_client, 1); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 2428 | else { |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2429 | ret = msm_bus_scale_client_update_request( |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2430 | qseecom.qsee_perf_client, 0); |
| 2431 | if ((!ret) && (qclk->ce_core_src_clk != NULL)) |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2432 | __qseecom_disable_clk(CLK_QSEE); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 2433 | } |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2434 | if (ret) |
| 2435 | pr_err("SFPB Bandwidth req fail (%d)\n", |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2436 | ret); |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 2437 | else { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2438 | qseecom.qsee_sfpb_bw_count--; |
Mona Hossain | c9c83c7 | 2013-04-11 12:43:48 -0700 | [diff] [blame] | 2439 | data->fast_load_enabled = false; |
Mona Hossain | 04d3fac | 2012-12-03 10:10:37 -0800 | [diff] [blame] | 2440 | } |
| 2441 | } else { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 2442 | qseecom.qsee_sfpb_bw_count--; |
Mona Hossain | c9c83c7 | 2013-04-11 12:43:48 -0700 | [diff] [blame] | 2443 | data->fast_load_enabled = false; |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2444 | } |
Ramesh Masavarapu | 8d75658 | 2012-10-03 10:18:06 -0700 | [diff] [blame] | 2445 | mutex_unlock(&qsee_bw_mutex); |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 2446 | break; |
| 2447 | default: |
| 2448 | pr_err("Clock type not defined\n"); |
| 2449 | break; |
Ramesh Masavarapu | e640e84 | 2012-04-03 11:21:54 -0700 | [diff] [blame] | 2450 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2451 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2452 | } |
| 2453 | |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2454 | static int qseecom_load_external_elf(struct qseecom_dev_handle *data, |
| 2455 | void __user *argp) |
| 2456 | { |
| 2457 | struct ion_handle *ihandle; /* Ion handle */ |
| 2458 | struct qseecom_load_img_req load_img_req; |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2459 | int ret; |
| 2460 | int set_cpu_ret = 0; |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2461 | ion_phys_addr_t pa = 0; |
| 2462 | uint32_t len; |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2463 | struct cpumask mask; |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2464 | struct qseecom_load_app_ireq load_req; |
| 2465 | struct qseecom_command_scm_resp resp; |
| 2466 | |
| 2467 | /* Copy the relevant information needed for loading the image */ |
Hariprasad Dhalinarasimha | e201495 | 2013-10-01 18:25:21 -0700 | [diff] [blame] | 2468 | if (copy_from_user(&load_img_req, |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2469 | (void __user *)argp, |
| 2470 | sizeof(struct qseecom_load_img_req))) { |
| 2471 | pr_err("copy_from_user failed\n"); |
| 2472 | return -EFAULT; |
| 2473 | } |
| 2474 | |
| 2475 | /* Get the handle of the shared fd */ |
Laura Abbott | b14ed96 | 2012-01-30 14:18:08 -0800 | [diff] [blame] | 2476 | ihandle = ion_import_dma_buf(qseecom.ion_clnt, |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2477 | load_img_req.ifd_data_fd); |
| 2478 | if (IS_ERR_OR_NULL(ihandle)) { |
| 2479 | pr_err("Ion client could not retrieve the handle\n"); |
| 2480 | return -ENOMEM; |
| 2481 | } |
| 2482 | |
| 2483 | /* Get the physical address of the ION BUF */ |
| 2484 | ret = ion_phys(qseecom.ion_clnt, ihandle, &pa, &len); |
| 2485 | |
| 2486 | /* Populate the structure for sending scm call to load image */ |
| 2487 | load_req.qsee_cmd_id = QSEOS_LOAD_EXTERNAL_ELF_COMMAND; |
| 2488 | load_req.mdt_len = load_img_req.mdt_len; |
| 2489 | load_req.img_len = load_img_req.img_len; |
| 2490 | load_req.phy_addr = pa; |
| 2491 | |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2492 | /* SCM_CALL tied to Core0 */ |
| 2493 | mask = CPU_MASK_CPU0; |
| 2494 | set_cpu_ret = set_cpus_allowed_ptr(current, &mask); |
| 2495 | if (set_cpu_ret) { |
| 2496 | pr_err("set_cpus_allowed_ptr failed : ret %d\n", |
| 2497 | set_cpu_ret); |
| 2498 | ret = -EFAULT; |
AnilKumar Chimata | c470bc9 | 2013-06-12 13:08:37 +0530 | [diff] [blame] | 2499 | goto exit_ion_free; |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2500 | } |
AnilKumar Chimata | c470bc9 | 2013-06-12 13:08:37 +0530 | [diff] [blame] | 2501 | |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2502 | /* Vote for the SFPB clock */ |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 2503 | ret = __qseecom_enable_clk_scale_up(data); |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2504 | if (ret) { |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2505 | ret = -EIO; |
AnilKumar Chimata | c470bc9 | 2013-06-12 13:08:37 +0530 | [diff] [blame] | 2506 | goto exit_cpu_restore; |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 2507 | } |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 2508 | msm_ion_do_cache_op(qseecom.ion_clnt, ihandle, NULL, len, |
| 2509 | ION_IOC_CLEAN_INV_CACHES); |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2510 | /* SCM_CALL to load the external elf */ |
| 2511 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, &load_req, |
| 2512 | sizeof(struct qseecom_load_app_ireq), |
| 2513 | &resp, sizeof(resp)); |
| 2514 | if (ret) { |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2515 | pr_err("scm_call to load failed : ret %d\n", |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2516 | ret); |
| 2517 | ret = -EFAULT; |
AnilKumar Chimata | c470bc9 | 2013-06-12 13:08:37 +0530 | [diff] [blame] | 2518 | goto exit_disable_clock; |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2519 | } |
| 2520 | |
AnilKumar Chimata | c470bc9 | 2013-06-12 13:08:37 +0530 | [diff] [blame] | 2521 | switch (resp.result) { |
| 2522 | case QSEOS_RESULT_SUCCESS: |
| 2523 | break; |
| 2524 | case QSEOS_RESULT_INCOMPLETE: |
| 2525 | pr_err("%s: qseos result incomplete\n", __func__); |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2526 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
| 2527 | if (ret) |
AnilKumar Chimata | c470bc9 | 2013-06-12 13:08:37 +0530 | [diff] [blame] | 2528 | pr_err("process_incomplete_cmd failed: err: %d\n", ret); |
| 2529 | break; |
| 2530 | case QSEOS_RESULT_FAILURE: |
| 2531 | pr_err("scm_call rsp.result is QSEOS_RESULT_FAILURE\n"); |
| 2532 | ret = -EFAULT; |
| 2533 | break; |
| 2534 | default: |
| 2535 | pr_err("scm_call response result %d not supported\n", |
| 2536 | resp.result); |
| 2537 | ret = -EFAULT; |
| 2538 | break; |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2539 | } |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2540 | |
AnilKumar Chimata | c470bc9 | 2013-06-12 13:08:37 +0530 | [diff] [blame] | 2541 | exit_disable_clock: |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 2542 | __qseecom_disable_clk_scale_down(data); |
AnilKumar Chimata | c470bc9 | 2013-06-12 13:08:37 +0530 | [diff] [blame] | 2543 | exit_cpu_restore: |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2544 | /* Restore the CPU mask */ |
| 2545 | mask = CPU_MASK_ALL; |
| 2546 | set_cpu_ret = set_cpus_allowed_ptr(current, &mask); |
| 2547 | if (set_cpu_ret) { |
| 2548 | pr_err("set_cpus_allowed_ptr failed to restore mask: ret %d\n", |
| 2549 | set_cpu_ret); |
| 2550 | ret = -EFAULT; |
| 2551 | } |
AnilKumar Chimata | c470bc9 | 2013-06-12 13:08:37 +0530 | [diff] [blame] | 2552 | exit_ion_free: |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2553 | /* Deallocate the handle */ |
| 2554 | if (!IS_ERR_OR_NULL(ihandle)) |
| 2555 | ion_free(qseecom.ion_clnt, ihandle); |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2556 | return ret; |
| 2557 | } |
| 2558 | |
| 2559 | static int qseecom_unload_external_elf(struct qseecom_dev_handle *data) |
| 2560 | { |
| 2561 | int ret = 0; |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2562 | int set_cpu_ret = 0; |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2563 | struct qseecom_command_scm_resp resp; |
| 2564 | struct qseecom_unload_app_ireq req; |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2565 | struct cpumask mask; |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2566 | |
AnilKumar Chimata | f732bbe | 2013-07-24 00:44:09 +0530 | [diff] [blame] | 2567 | /* unavailable client app */ |
| 2568 | data->type = QSEECOM_UNAVAILABLE_CLIENT_APP; |
| 2569 | |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2570 | /* Populate the structure for sending scm call to unload image */ |
| 2571 | req.qsee_cmd_id = QSEOS_UNLOAD_EXTERNAL_ELF_COMMAND; |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2572 | |
| 2573 | /* SCM_CALL tied to Core0 */ |
| 2574 | mask = CPU_MASK_CPU0; |
| 2575 | ret = set_cpus_allowed_ptr(current, &mask); |
| 2576 | if (ret) { |
| 2577 | pr_err("set_cpus_allowed_ptr failed : ret %d\n", |
| 2578 | ret); |
| 2579 | return -EFAULT; |
| 2580 | } |
| 2581 | |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2582 | /* SCM_CALL to unload the external elf */ |
| 2583 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, &req, |
| 2584 | sizeof(struct qseecom_unload_app_ireq), |
| 2585 | &resp, sizeof(resp)); |
| 2586 | if (ret) { |
| 2587 | pr_err("scm_call to unload failed : ret %d\n", |
| 2588 | ret); |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2589 | ret = -EFAULT; |
| 2590 | goto qseecom_unload_external_elf_scm_err; |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2591 | } |
| 2592 | if (resp.result == QSEOS_RESULT_INCOMPLETE) { |
| 2593 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
| 2594 | if (ret) |
| 2595 | pr_err("process_incomplete_cmd fail err: %d\n", |
| 2596 | ret); |
| 2597 | } else { |
| 2598 | if (resp.result != QSEOS_RESULT_SUCCESS) { |
| 2599 | pr_err("scm_call to unload image failed resp.result =%d\n", |
| 2600 | resp.result); |
| 2601 | ret = -EFAULT; |
| 2602 | } |
| 2603 | } |
Ramesh Masavarapu | 41af8ab | 2012-05-21 11:08:00 -0700 | [diff] [blame] | 2604 | |
| 2605 | qseecom_unload_external_elf_scm_err: |
| 2606 | /* Restore the CPU mask */ |
| 2607 | mask = CPU_MASK_ALL; |
| 2608 | set_cpu_ret = set_cpus_allowed_ptr(current, &mask); |
| 2609 | if (set_cpu_ret) { |
| 2610 | pr_err("set_cpus_allowed_ptr failed to restore mask: ret %d\n", |
| 2611 | set_cpu_ret); |
| 2612 | ret = -EFAULT; |
| 2613 | } |
| 2614 | |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 2615 | return ret; |
| 2616 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 2617 | |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 2618 | static int qseecom_query_app_loaded(struct qseecom_dev_handle *data, |
| 2619 | void __user *argp) |
| 2620 | { |
| 2621 | |
| 2622 | int32_t ret; |
| 2623 | struct qseecom_qseos_app_load_query query_req; |
| 2624 | struct qseecom_check_app_ireq req; |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 2625 | struct qseecom_registered_app_list *entry = NULL; |
| 2626 | unsigned long flags = 0; |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 2627 | |
| 2628 | /* Copy the relevant information needed for loading the image */ |
Hariprasad Dhalinarasimha | e201495 | 2013-10-01 18:25:21 -0700 | [diff] [blame] | 2629 | if (copy_from_user(&query_req, |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 2630 | (void __user *)argp, |
| 2631 | sizeof(struct qseecom_qseos_app_load_query))) { |
| 2632 | pr_err("copy_from_user failed\n"); |
| 2633 | return -EFAULT; |
| 2634 | } |
| 2635 | |
| 2636 | req.qsee_cmd_id = QSEOS_APP_LOOKUP_COMMAND; |
Hariprasad Dhalinarasimha | 7a01882 | 2013-10-03 16:52:16 -0700 | [diff] [blame] | 2637 | query_req.app_name[MAX_APP_NAME_SIZE-1] = '\0'; |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 2638 | memcpy(req.app_name, query_req.app_name, MAX_APP_NAME_SIZE); |
| 2639 | |
| 2640 | ret = __qseecom_check_app_exists(req); |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 2641 | |
| 2642 | if ((ret == -EINVAL) || (ret == -ENODEV)) { |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 2643 | pr_err(" scm call to check if app is loaded failed"); |
| 2644 | return ret; /* scm call failed */ |
| 2645 | } else if (ret > 0) { |
Mona Hossain | 7c44320 | 2013-04-18 12:08:58 -0700 | [diff] [blame] | 2646 | pr_debug("App id %d (%s) already exists\n", ret, |
Ramesh Masavarapu | 13d9967 | 2012-07-17 11:05:15 -0700 | [diff] [blame] | 2647 | (char *)(req.app_name)); |
| 2648 | spin_lock_irqsave(&qseecom.registered_app_list_lock, flags); |
| 2649 | list_for_each_entry(entry, |
| 2650 | &qseecom.registered_app_list_head, list){ |
| 2651 | if (entry->app_id == ret) { |
| 2652 | entry->ref_cnt++; |
| 2653 | break; |
| 2654 | } |
| 2655 | } |
| 2656 | spin_unlock_irqrestore( |
| 2657 | &qseecom.registered_app_list_lock, flags); |
| 2658 | data->client.app_id = ret; |
| 2659 | query_req.app_id = ret; |
| 2660 | |
| 2661 | if (copy_to_user(argp, &query_req, sizeof(query_req))) { |
| 2662 | pr_err("copy_to_user failed\n"); |
| 2663 | return -EFAULT; |
| 2664 | } |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 2665 | return -EEXIST; /* app already loaded */ |
| 2666 | } else { |
| 2667 | return 0; /* app not loaded */ |
| 2668 | } |
| 2669 | } |
| 2670 | |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2671 | static int __qseecom_get_ce_pipe_info( |
| 2672 | enum qseecom_key_management_usage_type usage, |
| 2673 | uint32_t *pipe, uint32_t *ce_hw) |
| 2674 | { |
| 2675 | int ret; |
| 2676 | switch (usage) { |
| 2677 | case QSEOS_KM_USAGE_DISK_ENCRYPTION: |
| 2678 | if (qseecom.ce_info.disk_encrypt_pipe == 0xFF || |
| 2679 | qseecom.ce_info.hlos_ce_hw_instance == 0xFF) { |
| 2680 | pr_err("nfo unavailable: disk encr pipe %d ce_hw %d\n", |
| 2681 | qseecom.ce_info.disk_encrypt_pipe, |
| 2682 | qseecom.ce_info.hlos_ce_hw_instance); |
| 2683 | ret = -EINVAL; |
| 2684 | } else { |
| 2685 | *pipe = qseecom.ce_info.disk_encrypt_pipe; |
| 2686 | *ce_hw = qseecom.ce_info.hlos_ce_hw_instance; |
| 2687 | ret = 0; |
| 2688 | } |
| 2689 | break; |
| 2690 | default: |
| 2691 | ret = -EINVAL; |
| 2692 | break; |
| 2693 | } |
| 2694 | return ret; |
| 2695 | } |
| 2696 | |
| 2697 | static int __qseecom_generate_and_save_key(struct qseecom_dev_handle *data, |
| 2698 | enum qseecom_key_management_usage_type usage, |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2699 | struct qseecom_key_generate_ireq *ireq) |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2700 | { |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2701 | struct qseecom_command_scm_resp resp; |
| 2702 | int ret; |
| 2703 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2704 | if (usage < QSEOS_KM_USAGE_DISK_ENCRYPTION || |
| 2705 | usage >= QSEOS_KM_USAGE_MAX) { |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2706 | pr_err("Error:: unsupported usage %d\n", usage); |
| 2707 | return -EFAULT; |
| 2708 | } |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2709 | __qseecom_enable_clk(CLK_QSEE); |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2710 | |
| 2711 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2712 | ireq, sizeof(struct qseecom_key_generate_ireq), |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2713 | &resp, sizeof(resp)); |
| 2714 | if (ret) { |
| 2715 | pr_err("scm call to generate key failed : %d\n", ret); |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2716 | __qseecom_disable_clk(CLK_QSEE); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 2717 | return -EFAULT; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2718 | } |
| 2719 | |
| 2720 | switch (resp.result) { |
| 2721 | case QSEOS_RESULT_SUCCESS: |
| 2722 | break; |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2723 | case QSEOS_RESULT_FAIL_KEY_ID_EXISTS: |
Zhen Kong | db2bf74 | 2013-05-13 23:55:42 -0700 | [diff] [blame] | 2724 | pr_debug("process_incomplete_cmd return Key ID exists.\n"); |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2725 | break; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2726 | case QSEOS_RESULT_INCOMPLETE: |
| 2727 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2728 | if (ret) { |
| 2729 | if (resp.result == QSEOS_RESULT_FAIL_KEY_ID_EXISTS) { |
Zhen Kong | db2bf74 | 2013-05-13 23:55:42 -0700 | [diff] [blame] | 2730 | pr_debug("process_incomplete_cmd return Key ID exists.\n"); |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2731 | ret = 0; |
| 2732 | } else { |
| 2733 | pr_err("process_incomplete_cmd FAILED, resp.result %d\n", |
| 2734 | resp.result); |
| 2735 | } |
| 2736 | } |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2737 | break; |
| 2738 | case QSEOS_RESULT_FAILURE: |
| 2739 | default: |
| 2740 | pr_err("gen key scm call failed resp.result %d\n", resp.result); |
| 2741 | ret = -EINVAL; |
| 2742 | break; |
| 2743 | } |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2744 | __qseecom_disable_clk(CLK_QSEE); |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2745 | return ret; |
| 2746 | } |
| 2747 | |
| 2748 | static int __qseecom_delete_saved_key(struct qseecom_dev_handle *data, |
| 2749 | enum qseecom_key_management_usage_type usage, |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2750 | struct qseecom_key_delete_ireq *ireq) |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2751 | { |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2752 | struct qseecom_command_scm_resp resp; |
| 2753 | int ret; |
| 2754 | |
| 2755 | if (usage != QSEOS_KM_USAGE_DISK_ENCRYPTION) { |
| 2756 | pr_err("Error:: unsupported usage %d\n", usage); |
| 2757 | return -EFAULT; |
| 2758 | } |
| 2759 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2760 | __qseecom_enable_clk(CLK_QSEE); |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2761 | |
| 2762 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2763 | ireq, sizeof(struct qseecom_key_delete_ireq), |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2764 | &resp, sizeof(struct qseecom_command_scm_resp)); |
| 2765 | if (ret) { |
| 2766 | pr_err("scm call to delete key failed : %d\n", ret); |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2767 | __qseecom_disable_clk(CLK_QSEE); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 2768 | return -EFAULT; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2769 | } |
| 2770 | |
| 2771 | switch (resp.result) { |
| 2772 | case QSEOS_RESULT_SUCCESS: |
| 2773 | break; |
| 2774 | case QSEOS_RESULT_INCOMPLETE: |
| 2775 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 2776 | if (ret) { |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2777 | pr_err("process_incomplete_cmd FAILED, resp.result %d\n", |
| 2778 | resp.result); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 2779 | if (resp.result == QSEOS_RESULT_FAIL_MAX_ATTEMPT) { |
| 2780 | pr_debug("Max attempts to input password reached.\n"); |
| 2781 | ret = -ERANGE; |
| 2782 | } |
| 2783 | } |
| 2784 | break; |
| 2785 | case QSEOS_RESULT_FAIL_MAX_ATTEMPT: |
| 2786 | pr_debug("Max attempts to input password reached.\n"); |
| 2787 | ret = -ERANGE; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2788 | break; |
| 2789 | case QSEOS_RESULT_FAILURE: |
| 2790 | default: |
| 2791 | pr_err("Delete key scm call failed resp.result %d\n", |
| 2792 | resp.result); |
| 2793 | ret = -EINVAL; |
| 2794 | break; |
| 2795 | } |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2796 | __qseecom_disable_clk(CLK_QSEE); |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2797 | return ret; |
| 2798 | } |
| 2799 | |
| 2800 | static int __qseecom_set_clear_ce_key(struct qseecom_dev_handle *data, |
| 2801 | enum qseecom_key_management_usage_type usage, |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2802 | struct qseecom_key_select_ireq *ireq) |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2803 | { |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2804 | struct qseecom_command_scm_resp resp; |
| 2805 | int ret; |
| 2806 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2807 | if (usage < QSEOS_KM_USAGE_DISK_ENCRYPTION || |
| 2808 | usage >= QSEOS_KM_USAGE_MAX) { |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2809 | pr_err("Error:: unsupported usage %d\n", usage); |
| 2810 | return -EFAULT; |
| 2811 | } |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2812 | |
Zhen Kong | db2bf74 | 2013-05-13 23:55:42 -0700 | [diff] [blame] | 2813 | __qseecom_enable_clk(CLK_QSEE); |
| 2814 | if (qseecom.qsee.instance != qseecom.ce_drv.instance) |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2815 | __qseecom_enable_clk(CLK_CE_DRV); |
| 2816 | |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2817 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2818 | ireq, sizeof(struct qseecom_key_select_ireq), |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2819 | &resp, sizeof(struct qseecom_command_scm_resp)); |
| 2820 | if (ret) { |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2821 | pr_err("scm call to set QSEOS_PIPE_ENC key failed : %d\n", ret); |
Zhen Kong | db2bf74 | 2013-05-13 23:55:42 -0700 | [diff] [blame] | 2822 | __qseecom_disable_clk(CLK_QSEE); |
| 2823 | if (qseecom.qsee.instance != qseecom.ce_drv.instance) |
| 2824 | __qseecom_disable_clk(CLK_CE_DRV); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 2825 | return -EFAULT; |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2826 | } |
| 2827 | |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2828 | switch (resp.result) { |
| 2829 | case QSEOS_RESULT_SUCCESS: |
| 2830 | break; |
| 2831 | case QSEOS_RESULT_INCOMPLETE: |
| 2832 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 2833 | if (ret) { |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 2834 | pr_err("process_incomplete_cmd FAILED, resp.result %d\n", |
| 2835 | resp.result); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 2836 | if (resp.result == QSEOS_RESULT_FAIL_MAX_ATTEMPT) { |
| 2837 | pr_debug("Max attempts to input password reached.\n"); |
| 2838 | ret = -ERANGE; |
| 2839 | } |
| 2840 | } |
| 2841 | break; |
| 2842 | case QSEOS_RESULT_FAIL_MAX_ATTEMPT: |
| 2843 | pr_debug("Max attempts to input password reached.\n"); |
| 2844 | ret = -ERANGE; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2845 | break; |
| 2846 | case QSEOS_RESULT_FAILURE: |
| 2847 | default: |
| 2848 | pr_err("Set key scm call failed resp.result %d\n", resp.result); |
| 2849 | ret = -EINVAL; |
| 2850 | break; |
| 2851 | } |
| 2852 | |
Zhen Kong | db2bf74 | 2013-05-13 23:55:42 -0700 | [diff] [blame] | 2853 | __qseecom_disable_clk(CLK_QSEE); |
| 2854 | if (qseecom.qsee.instance != qseecom.ce_drv.instance) |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 2855 | __qseecom_disable_clk(CLK_CE_DRV); |
| 2856 | |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2857 | return ret; |
| 2858 | } |
| 2859 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2860 | static int __qseecom_update_current_key_user_info( |
| 2861 | struct qseecom_dev_handle *data, |
| 2862 | enum qseecom_key_management_usage_type usage, |
| 2863 | struct qseecom_key_userinfo_update_ireq *ireq) |
| 2864 | { |
| 2865 | struct qseecom_command_scm_resp resp; |
| 2866 | int ret; |
| 2867 | |
| 2868 | if (usage < QSEOS_KM_USAGE_DISK_ENCRYPTION || |
| 2869 | usage >= QSEOS_KM_USAGE_MAX) { |
| 2870 | pr_err("Error:: unsupported usage %d\n", usage); |
| 2871 | return -EFAULT; |
| 2872 | } |
| 2873 | |
| 2874 | __qseecom_enable_clk(CLK_QSEE); |
| 2875 | |
| 2876 | ret = scm_call(SCM_SVC_TZSCHEDULER, 1, |
| 2877 | ireq, sizeof(struct qseecom_key_userinfo_update_ireq), |
| 2878 | &resp, sizeof(struct qseecom_command_scm_resp)); |
| 2879 | if (ret) { |
| 2880 | pr_err("scm call to update key userinfo failed : %d\n", ret); |
| 2881 | __qseecom_disable_clk(CLK_QSEE); |
| 2882 | if (qseecom.qsee.instance != qseecom.ce_drv.instance) |
| 2883 | __qseecom_disable_clk(CLK_CE_DRV); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 2884 | return -EFAULT; |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2885 | } |
| 2886 | |
| 2887 | switch (resp.result) { |
| 2888 | case QSEOS_RESULT_SUCCESS: |
| 2889 | break; |
| 2890 | case QSEOS_RESULT_INCOMPLETE: |
| 2891 | ret = __qseecom_process_incomplete_cmd(data, &resp); |
| 2892 | if (ret) |
| 2893 | pr_err("process_incomplete_cmd FAILED, resp.result %d\n", |
| 2894 | resp.result); |
| 2895 | break; |
| 2896 | case QSEOS_RESULT_FAILURE: |
| 2897 | default: |
| 2898 | pr_err("Set key scm call failed resp.result %d\n", resp.result); |
| 2899 | ret = -EINVAL; |
| 2900 | break; |
| 2901 | } |
| 2902 | |
| 2903 | __qseecom_disable_clk(CLK_QSEE); |
| 2904 | return ret; |
| 2905 | } |
| 2906 | |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2907 | static int qseecom_create_key(struct qseecom_dev_handle *data, |
| 2908 | void __user *argp) |
| 2909 | { |
| 2910 | uint32_t ce_hw = 0; |
| 2911 | uint32_t pipe = 0; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2912 | int ret = 0; |
| 2913 | uint32_t flags = 0; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2914 | struct qseecom_create_key_req create_key_req; |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2915 | struct qseecom_key_generate_ireq generate_key_ireq; |
| 2916 | struct qseecom_key_select_ireq set_key_ireq; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2917 | |
| 2918 | ret = copy_from_user(&create_key_req, argp, sizeof(create_key_req)); |
| 2919 | if (ret) { |
| 2920 | pr_err("copy_from_user failed\n"); |
| 2921 | return ret; |
| 2922 | } |
| 2923 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2924 | if (create_key_req.usage < QSEOS_KM_USAGE_DISK_ENCRYPTION || |
| 2925 | create_key_req.usage >= QSEOS_KM_USAGE_MAX) { |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2926 | pr_err("Error:: unsupported usage %d\n", create_key_req.usage); |
| 2927 | return -EFAULT; |
| 2928 | } |
| 2929 | |
| 2930 | ret = __qseecom_get_ce_pipe_info(create_key_req.usage, &pipe, &ce_hw); |
| 2931 | if (ret) { |
| 2932 | pr_err("Failed to retrieve pipe/ce_hw info: %d\n", ret); |
| 2933 | return -EINVAL; |
| 2934 | } |
| 2935 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2936 | generate_key_ireq.flags = flags; |
| 2937 | generate_key_ireq.qsee_command_id = QSEOS_GENERATE_KEY; |
| 2938 | memset((void *)generate_key_ireq.key_id, 0, QSEECOM_KEY_ID_SIZE); |
| 2939 | memset((void *)generate_key_ireq.hash32, 0, QSEECOM_HASH_SIZE); |
| 2940 | memcpy((void *)generate_key_ireq.key_id, |
| 2941 | (void *)key_id_array[create_key_req.usage - 1], |
| 2942 | QSEECOM_KEY_ID_SIZE); |
| 2943 | memcpy((void *)generate_key_ireq.hash32, |
| 2944 | (void *)create_key_req.hash32, QSEECOM_HASH_SIZE); |
| 2945 | |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2946 | ret = __qseecom_generate_and_save_key(data, create_key_req.usage, |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2947 | &generate_key_ireq); |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2948 | if (ret) { |
| 2949 | pr_err("Failed to generate key on storage: %d\n", ret); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 2950 | return ret; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2951 | } |
| 2952 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2953 | set_key_ireq.qsee_command_id = QSEOS_SET_KEY; |
| 2954 | set_key_ireq.ce = ce_hw; |
| 2955 | set_key_ireq.pipe = pipe; |
| 2956 | set_key_ireq.flags = flags; |
| 2957 | |
| 2958 | /* set both PIPE_ENC and PIPE_ENC_XTS*/ |
| 2959 | set_key_ireq.pipe_type = QSEOS_PIPE_ENC|QSEOS_PIPE_ENC_XTS; |
| 2960 | memset((void *)set_key_ireq.key_id, 0, QSEECOM_KEY_ID_SIZE); |
| 2961 | memset((void *)set_key_ireq.hash32, 0, QSEECOM_HASH_SIZE); |
| 2962 | memcpy((void *)set_key_ireq.key_id, |
| 2963 | (void *)key_id_array[create_key_req.usage - 1], |
| 2964 | QSEECOM_KEY_ID_SIZE); |
| 2965 | memcpy((void *)set_key_ireq.hash32, (void *)create_key_req.hash32, |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2966 | QSEECOM_HASH_SIZE); |
| 2967 | |
| 2968 | ret = __qseecom_set_clear_ce_key(data, create_key_req.usage, |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2969 | &set_key_ireq); |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2970 | if (ret) { |
| 2971 | pr_err("Failed to create key: pipe %d, ce %d: %d\n", |
| 2972 | pipe, ce_hw, ret); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 2973 | return ret; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2974 | } |
| 2975 | |
| 2976 | return ret; |
| 2977 | } |
| 2978 | |
| 2979 | static int qseecom_wipe_key(struct qseecom_dev_handle *data, |
| 2980 | void __user *argp) |
| 2981 | { |
| 2982 | uint32_t ce_hw = 0; |
| 2983 | uint32_t pipe = 0; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2984 | int ret = 0; |
| 2985 | uint32_t flags = 0; |
| 2986 | int i; |
| 2987 | struct qseecom_wipe_key_req wipe_key_req; |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2988 | struct qseecom_key_delete_ireq delete_key_ireq; |
| 2989 | struct qseecom_key_select_ireq clear_key_ireq; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2990 | |
| 2991 | ret = copy_from_user(&wipe_key_req, argp, sizeof(wipe_key_req)); |
| 2992 | if (ret) { |
| 2993 | pr_err("copy_from_user failed\n"); |
| 2994 | return ret; |
| 2995 | } |
| 2996 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 2997 | if (wipe_key_req.usage < QSEOS_KM_USAGE_DISK_ENCRYPTION || |
| 2998 | wipe_key_req.usage >= QSEOS_KM_USAGE_MAX) { |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 2999 | pr_err("Error:: unsupported usage %d\n", wipe_key_req.usage); |
| 3000 | return -EFAULT; |
| 3001 | } |
| 3002 | |
| 3003 | ret = __qseecom_get_ce_pipe_info(wipe_key_req.usage, &pipe, &ce_hw); |
| 3004 | if (ret) { |
| 3005 | pr_err("Failed to retrieve pipe/ce_hw info: %d\n", ret); |
| 3006 | return -EINVAL; |
| 3007 | } |
| 3008 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 3009 | delete_key_ireq.flags = flags; |
| 3010 | delete_key_ireq.qsee_command_id = QSEOS_DELETE_KEY; |
| 3011 | memset((void *)delete_key_ireq.key_id, 0, QSEECOM_KEY_ID_SIZE); |
| 3012 | memcpy((void *)delete_key_ireq.key_id, |
| 3013 | (void *)key_id_array[wipe_key_req.usage - 1], |
| 3014 | QSEECOM_KEY_ID_SIZE); |
| 3015 | memset((void *)delete_key_ireq.hash32, 0, QSEECOM_HASH_SIZE); |
| 3016 | |
| 3017 | ret = __qseecom_delete_saved_key(data, wipe_key_req.usage, |
| 3018 | &delete_key_ireq); |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3019 | if (ret) { |
| 3020 | pr_err("Failed to delete key from ssd storage: %d\n", ret); |
| 3021 | return -EFAULT; |
| 3022 | } |
| 3023 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 3024 | clear_key_ireq.qsee_command_id = QSEOS_SET_KEY; |
| 3025 | clear_key_ireq.ce = ce_hw; |
| 3026 | clear_key_ireq.pipe = pipe; |
| 3027 | clear_key_ireq.flags = flags; |
| 3028 | clear_key_ireq.pipe_type = QSEOS_PIPE_ENC|QSEOS_PIPE_ENC_XTS; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3029 | for (i = 0; i < QSEECOM_KEY_ID_SIZE; i++) |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 3030 | clear_key_ireq.key_id[i] = 0xff; |
| 3031 | memset((void *)clear_key_ireq.hash32, 0, QSEECOM_HASH_SIZE); |
| 3032 | |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3033 | ret = __qseecom_set_clear_ce_key(data, wipe_key_req.usage, |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 3034 | &clear_key_ireq); |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3035 | if (ret) { |
| 3036 | pr_err("Failed to wipe key: pipe %d, ce %d: %d\n", |
| 3037 | pipe, ce_hw, ret); |
| 3038 | return -EFAULT; |
| 3039 | } |
| 3040 | |
| 3041 | return ret; |
| 3042 | } |
| 3043 | |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 3044 | static int qseecom_update_key_user_info(struct qseecom_dev_handle *data, |
| 3045 | void __user *argp) |
| 3046 | { |
| 3047 | int ret = 0; |
| 3048 | uint32_t flags = 0; |
| 3049 | struct qseecom_update_key_userinfo_req update_key_req; |
| 3050 | struct qseecom_key_userinfo_update_ireq ireq; |
| 3051 | |
| 3052 | ret = copy_from_user(&update_key_req, argp, sizeof(update_key_req)); |
| 3053 | if (ret) { |
| 3054 | pr_err("copy_from_user failed\n"); |
| 3055 | return ret; |
| 3056 | } |
| 3057 | |
| 3058 | if (update_key_req.usage < QSEOS_KM_USAGE_DISK_ENCRYPTION || |
| 3059 | update_key_req.usage >= QSEOS_KM_USAGE_MAX) { |
| 3060 | pr_err("Error:: unsupported usage %d\n", update_key_req.usage); |
| 3061 | return -EFAULT; |
| 3062 | } |
| 3063 | |
| 3064 | ireq.qsee_command_id = QSEOS_UPDATE_KEY_USERINFO; |
| 3065 | ireq.flags = flags; |
| 3066 | memset(ireq.key_id, 0, QSEECOM_KEY_ID_SIZE); |
| 3067 | memset((void *)ireq.current_hash32, 0, QSEECOM_HASH_SIZE); |
| 3068 | memset((void *)ireq.new_hash32, 0, QSEECOM_HASH_SIZE); |
| 3069 | memcpy(ireq.key_id, key_id_array[update_key_req.usage - 1], |
| 3070 | QSEECOM_KEY_ID_SIZE); |
| 3071 | memcpy((void *)ireq.current_hash32, |
| 3072 | (void *)update_key_req.current_hash32, QSEECOM_HASH_SIZE); |
| 3073 | memcpy((void *)ireq.new_hash32, |
| 3074 | (void *)update_key_req.new_hash32, QSEECOM_HASH_SIZE); |
| 3075 | |
| 3076 | ret = __qseecom_update_current_key_user_info(data, update_key_req.usage, |
| 3077 | &ireq); |
| 3078 | if (ret) { |
| 3079 | pr_err("Failed to update key info: %d\n", ret); |
Zhen Kong | ca39e44 | 2013-12-25 22:57:08 -0800 | [diff] [blame] | 3080 | return ret; |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 3081 | } |
| 3082 | return ret; |
| 3083 | |
| 3084 | } |
| 3085 | |
Amir Samuelov | d1fc741 | 2013-03-10 16:56:13 +0200 | [diff] [blame] | 3086 | static int qseecom_is_es_activated(void __user *argp) |
| 3087 | { |
| 3088 | struct qseecom_is_es_activated_req req; |
| 3089 | int ret; |
| 3090 | int resp_buf; |
| 3091 | |
| 3092 | if (qseecom.qsee_version < QSEE_VERSION_04) { |
| 3093 | pr_err("invalid qsee version"); |
| 3094 | return -ENODEV; |
| 3095 | } |
| 3096 | |
| 3097 | if (argp == NULL) { |
| 3098 | pr_err("arg is null"); |
| 3099 | return -EINVAL; |
| 3100 | } |
| 3101 | |
| 3102 | ret = scm_call(SCM_SVC_ES, SCM_IS_ACTIVATED_ID, NULL, 0, |
| 3103 | (void *) &resp_buf, sizeof(resp_buf)); |
| 3104 | if (ret) { |
| 3105 | pr_err("scm_call failed"); |
| 3106 | return ret; |
| 3107 | } |
| 3108 | |
| 3109 | req.is_activated = resp_buf; |
| 3110 | ret = copy_to_user(argp, &req, sizeof(req)); |
| 3111 | if (ret) { |
| 3112 | pr_err("copy_to_user failed"); |
| 3113 | return ret; |
| 3114 | } |
| 3115 | |
| 3116 | return 0; |
| 3117 | } |
| 3118 | |
| 3119 | static int qseecom_save_partition_hash(void __user *argp) |
| 3120 | { |
| 3121 | struct qseecom_save_partition_hash_req req; |
| 3122 | int ret; |
| 3123 | |
| 3124 | if (qseecom.qsee_version < QSEE_VERSION_04) { |
| 3125 | pr_err("invalid qsee version "); |
| 3126 | return -ENODEV; |
| 3127 | } |
| 3128 | |
| 3129 | if (argp == NULL) { |
| 3130 | pr_err("arg is null"); |
| 3131 | return -EINVAL; |
| 3132 | } |
| 3133 | |
| 3134 | ret = copy_from_user(&req, argp, sizeof(req)); |
| 3135 | if (ret) { |
| 3136 | pr_err("copy_from_user failed"); |
| 3137 | return ret; |
| 3138 | } |
| 3139 | |
| 3140 | ret = scm_call(SCM_SVC_ES, SCM_SAVE_PARTITION_HASH_ID, |
| 3141 | (void *) &req, sizeof(req), NULL, 0); |
| 3142 | if (ret) { |
Hariprasad Dhalinarasimha | 682d1c3 | 2013-05-19 21:22:10 -0700 | [diff] [blame] | 3143 | pr_err("qseecom_scm_call failed"); |
Amir Samuelov | d1fc741 | 2013-03-10 16:56:13 +0200 | [diff] [blame] | 3144 | return ret; |
| 3145 | } |
| 3146 | |
| 3147 | return 0; |
| 3148 | } |
| 3149 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3150 | static long qseecom_ioctl(struct file *file, unsigned cmd, |
| 3151 | unsigned long arg) |
| 3152 | { |
| 3153 | int ret = 0; |
| 3154 | struct qseecom_dev_handle *data = file->private_data; |
| 3155 | void __user *argp = (void __user *) arg; |
| 3156 | |
AnilKumar Chimata | 11e1f52 | 2013-07-23 06:02:23 +0530 | [diff] [blame] | 3157 | if (!data) { |
| 3158 | pr_err("Invalid/uninitialized device handle\n"); |
| 3159 | return -EINVAL; |
| 3160 | } |
| 3161 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3162 | if (data->abort) { |
| 3163 | pr_err("Aborting qseecom driver\n"); |
| 3164 | return -ENODEV; |
| 3165 | } |
| 3166 | |
| 3167 | switch (cmd) { |
| 3168 | case QSEECOM_IOCTL_REGISTER_LISTENER_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3169 | if (data->type != QSEECOM_GENERIC) { |
| 3170 | pr_err("reg lstnr req: invalid handle (%d)\n", |
| 3171 | data->type); |
| 3172 | ret = -EINVAL; |
| 3173 | break; |
| 3174 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3175 | pr_debug("ioctl register_listener_req()\n"); |
| 3176 | atomic_inc(&data->ioctl_count); |
Hariprasad Dhalinarasimha | 492530f | 2013-08-19 12:45:18 -0700 | [diff] [blame] | 3177 | data->type = QSEECOM_LISTENER_SERVICE; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3178 | ret = qseecom_register_listener(data, argp); |
| 3179 | atomic_dec(&data->ioctl_count); |
| 3180 | wake_up_all(&data->abort_wq); |
| 3181 | if (ret) |
| 3182 | pr_err("failed qseecom_register_listener: %d\n", ret); |
| 3183 | break; |
| 3184 | } |
| 3185 | case QSEECOM_IOCTL_UNREGISTER_LISTENER_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3186 | if ((data->listener.id == 0) || |
| 3187 | (data->type != QSEECOM_LISTENER_SERVICE)) { |
| 3188 | pr_err("unreg lstnr req: invalid handle (%d) lid(%d)\n", |
| 3189 | data->type, data->listener.id); |
| 3190 | ret = -EINVAL; |
| 3191 | break; |
| 3192 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3193 | pr_debug("ioctl unregister_listener_req()\n"); |
| 3194 | atomic_inc(&data->ioctl_count); |
| 3195 | ret = qseecom_unregister_listener(data); |
| 3196 | atomic_dec(&data->ioctl_count); |
| 3197 | wake_up_all(&data->abort_wq); |
| 3198 | if (ret) |
| 3199 | pr_err("failed qseecom_unregister_listener: %d\n", ret); |
| 3200 | break; |
| 3201 | } |
| 3202 | case QSEECOM_IOCTL_SEND_CMD_REQ: { |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3203 | pr_debug("qseecom.current_mode %d\n", qseecom.current_mode); |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3204 | if ((data->client.app_id == 0) || |
| 3205 | (data->type != QSEECOM_CLIENT_APP)) { |
| 3206 | pr_err("send cmd req: invalid handle (%d) app_id(%d)\n", |
| 3207 | data->type, data->client.app_id); |
| 3208 | ret = -EINVAL; |
| 3209 | break; |
| 3210 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3211 | /* Only one client allowed here at a time */ |
Ramesh Masavarapu | d861011 | 2012-06-26 15:32:52 -0700 | [diff] [blame] | 3212 | mutex_lock(&app_access_lock); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3213 | if (qseecom.support_bus_scaling) |
| 3214 | qseecom_scale_bus_bandwidth_timer(INACTIVE, |
| 3215 | QSEECOM_SEND_CMD_CRYPTO_TIMEOUT); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3216 | atomic_inc(&data->ioctl_count); |
| 3217 | ret = qseecom_send_cmd(data, argp); |
Zhen Kong | 06418b7 | 2014-02-05 17:36:23 -0800 | [diff] [blame] | 3218 | if (qseecom.support_bus_scaling) { |
| 3219 | mutex_lock(&qsee_bw_mutex); |
| 3220 | qseecom.bw_scale_down_timer.expires = jiffies + |
| 3221 | msecs_to_jiffies( |
| 3222 | QSEECOM_SEND_CMD_CRYPTO_TIMEOUT); |
| 3223 | add_timer(&(qseecom.bw_scale_down_timer)); |
| 3224 | qseecom.timer_running = true; |
| 3225 | mutex_unlock(&qsee_bw_mutex); |
| 3226 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3227 | atomic_dec(&data->ioctl_count); |
| 3228 | wake_up_all(&data->abort_wq); |
Ramesh Masavarapu | d861011 | 2012-06-26 15:32:52 -0700 | [diff] [blame] | 3229 | mutex_unlock(&app_access_lock); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3230 | if (ret) |
| 3231 | pr_err("failed qseecom_send_cmd: %d\n", ret); |
| 3232 | break; |
| 3233 | } |
| 3234 | case QSEECOM_IOCTL_SEND_MODFD_CMD_REQ: { |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3235 | pr_debug("qseecom.current_mode %d\n", qseecom.current_mode); |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3236 | if ((data->client.app_id == 0) || |
| 3237 | (data->type != QSEECOM_CLIENT_APP)) { |
| 3238 | pr_err("send mdfd cmd: invalid handle (%d) appid(%d)\n", |
| 3239 | data->type, data->client.app_id); |
| 3240 | ret = -EINVAL; |
| 3241 | break; |
| 3242 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3243 | /* Only one client allowed here at a time */ |
Ramesh Masavarapu | d861011 | 2012-06-26 15:32:52 -0700 | [diff] [blame] | 3244 | mutex_lock(&app_access_lock); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3245 | if (qseecom.support_bus_scaling) |
| 3246 | qseecom_scale_bus_bandwidth_timer(INACTIVE, |
| 3247 | QSEECOM_SEND_CMD_CRYPTO_TIMEOUT); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3248 | atomic_inc(&data->ioctl_count); |
| 3249 | ret = qseecom_send_modfd_cmd(data, argp); |
Zhen Kong | 06418b7 | 2014-02-05 17:36:23 -0800 | [diff] [blame] | 3250 | if (qseecom.support_bus_scaling) { |
| 3251 | mutex_lock(&qsee_bw_mutex); |
| 3252 | qseecom.bw_scale_down_timer.expires = jiffies + |
| 3253 | msecs_to_jiffies( |
| 3254 | QSEECOM_SEND_CMD_CRYPTO_TIMEOUT); |
| 3255 | add_timer(&(qseecom.bw_scale_down_timer)); |
| 3256 | qseecom.timer_running = true; |
| 3257 | mutex_unlock(&qsee_bw_mutex); |
| 3258 | } atomic_dec(&data->ioctl_count); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3259 | wake_up_all(&data->abort_wq); |
Ramesh Masavarapu | d861011 | 2012-06-26 15:32:52 -0700 | [diff] [blame] | 3260 | mutex_unlock(&app_access_lock); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3261 | if (ret) |
| 3262 | pr_err("failed qseecom_send_cmd: %d\n", ret); |
| 3263 | break; |
| 3264 | } |
| 3265 | case QSEECOM_IOCTL_RECEIVE_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3266 | if ((data->listener.id == 0) || |
| 3267 | (data->type != QSEECOM_LISTENER_SERVICE)) { |
| 3268 | pr_err("receive req: invalid handle (%d), lid(%d)\n", |
| 3269 | data->type, data->listener.id); |
| 3270 | ret = -EINVAL; |
| 3271 | break; |
| 3272 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3273 | atomic_inc(&data->ioctl_count); |
| 3274 | ret = qseecom_receive_req(data); |
| 3275 | atomic_dec(&data->ioctl_count); |
| 3276 | wake_up_all(&data->abort_wq); |
| 3277 | if (ret) |
| 3278 | pr_err("failed qseecom_receive_req: %d\n", ret); |
| 3279 | break; |
| 3280 | } |
| 3281 | case QSEECOM_IOCTL_SEND_RESP_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3282 | if ((data->listener.id == 0) || |
| 3283 | (data->type != QSEECOM_LISTENER_SERVICE)) { |
| 3284 | pr_err("send resp req: invalid handle (%d), lid(%d)\n", |
| 3285 | data->type, data->listener.id); |
| 3286 | ret = -EINVAL; |
| 3287 | break; |
| 3288 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3289 | atomic_inc(&data->ioctl_count); |
| 3290 | ret = qseecom_send_resp(); |
| 3291 | atomic_dec(&data->ioctl_count); |
| 3292 | wake_up_all(&data->abort_wq); |
| 3293 | if (ret) |
| 3294 | pr_err("failed qseecom_send_resp: %d\n", ret); |
| 3295 | break; |
| 3296 | } |
| 3297 | case QSEECOM_IOCTL_SET_MEM_PARAM_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3298 | if ((data->type != QSEECOM_CLIENT_APP) && |
| 3299 | (data->type != QSEECOM_GENERIC) && |
| 3300 | (data->type != QSEECOM_SECURE_SERVICE)) { |
| 3301 | pr_err("set mem param req: invalid handle (%d)\n", |
| 3302 | data->type); |
| 3303 | ret = -EINVAL; |
| 3304 | break; |
| 3305 | } |
Hariprasad Dhalinarasimha | 492530f | 2013-08-19 12:45:18 -0700 | [diff] [blame] | 3306 | pr_debug("SET_MEM_PARAM: qseecom addr = 0x%x\n", (u32)data); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3307 | ret = qseecom_set_client_mem_param(data, argp); |
| 3308 | if (ret) |
| 3309 | pr_err("failed Qqseecom_set_mem_param request: %d\n", |
| 3310 | ret); |
| 3311 | break; |
| 3312 | } |
| 3313 | case QSEECOM_IOCTL_LOAD_APP_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3314 | if ((data->type != QSEECOM_GENERIC) && |
| 3315 | (data->type != QSEECOM_CLIENT_APP)) { |
| 3316 | pr_err("load app req: invalid handle (%d)\n", |
| 3317 | data->type); |
| 3318 | ret = -EINVAL; |
| 3319 | break; |
| 3320 | } |
Hariprasad Dhalinarasimha | 492530f | 2013-08-19 12:45:18 -0700 | [diff] [blame] | 3321 | data->type = QSEECOM_CLIENT_APP; |
| 3322 | pr_debug("LOAD_APP_REQ: qseecom_addr = 0x%x\n", (u32)data); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3323 | mutex_lock(&app_access_lock); |
| 3324 | atomic_inc(&data->ioctl_count); |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 3325 | if (qseecom.qsee_version > QSEEE_VERSION_00) { |
| 3326 | if (qseecom.commonlib_loaded == false) { |
Mona Hossain | 9498f5e | 2013-01-23 18:08:45 -0800 | [diff] [blame] | 3327 | ret = qseecom_load_commonlib_image(data); |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 3328 | if (ret == 0) |
| 3329 | qseecom.commonlib_loaded = true; |
| 3330 | } |
| 3331 | } |
| 3332 | if (ret == 0) |
| 3333 | ret = qseecom_load_app(data, argp); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3334 | atomic_dec(&data->ioctl_count); |
| 3335 | mutex_unlock(&app_access_lock); |
| 3336 | if (ret) |
| 3337 | pr_err("failed load_app request: %d\n", ret); |
| 3338 | break; |
| 3339 | } |
| 3340 | case QSEECOM_IOCTL_UNLOAD_APP_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3341 | if ((data->client.app_id == 0) || |
| 3342 | (data->type != QSEECOM_CLIENT_APP)) { |
| 3343 | pr_err("unload app req:invalid handle(%d) app_id(%d)\n", |
| 3344 | data->type, data->client.app_id); |
| 3345 | ret = -EINVAL; |
| 3346 | break; |
| 3347 | } |
Hariprasad Dhalinarasimha | 492530f | 2013-08-19 12:45:18 -0700 | [diff] [blame] | 3348 | pr_debug("UNLOAD_APP: qseecom_addr = 0x%x\n", (u32)data); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3349 | mutex_lock(&app_access_lock); |
| 3350 | atomic_inc(&data->ioctl_count); |
| 3351 | ret = qseecom_unload_app(data); |
| 3352 | atomic_dec(&data->ioctl_count); |
| 3353 | mutex_unlock(&app_access_lock); |
| 3354 | if (ret) |
| 3355 | pr_err("failed unload_app request: %d\n", ret); |
| 3356 | break; |
| 3357 | } |
| 3358 | case QSEECOM_IOCTL_GET_QSEOS_VERSION_REQ: { |
| 3359 | atomic_inc(&data->ioctl_count); |
| 3360 | ret = qseecom_get_qseos_version(data, argp); |
| 3361 | if (ret) |
| 3362 | pr_err("qseecom_get_qseos_version: %d\n", ret); |
| 3363 | atomic_dec(&data->ioctl_count); |
| 3364 | break; |
| 3365 | } |
| 3366 | case QSEECOM_IOCTL_PERF_ENABLE_REQ:{ |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3367 | if ((data->type != QSEECOM_GENERIC) && |
| 3368 | (data->type != QSEECOM_CLIENT_APP)) { |
| 3369 | pr_err("perf enable req: invalid handle (%d)\n", |
| 3370 | data->type); |
| 3371 | ret = -EINVAL; |
| 3372 | break; |
| 3373 | } |
| 3374 | if ((data->type == QSEECOM_CLIENT_APP) && |
| 3375 | (data->client.app_id == 0)) { |
| 3376 | pr_err("perf enable req:invalid handle(%d) appid(%d)\n", |
| 3377 | data->type, data->client.app_id); |
| 3378 | ret = -EINVAL; |
| 3379 | break; |
| 3380 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3381 | atomic_inc(&data->ioctl_count); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3382 | if (qseecom.support_bus_scaling) { |
| 3383 | mutex_lock(&qsee_bw_mutex); |
| 3384 | __qseecom_register_bus_bandwidth_needs(data, HIGH); |
| 3385 | mutex_unlock(&qsee_bw_mutex); |
| 3386 | } else { |
| 3387 | ret = qsee_vote_for_clock(data, CLK_DFAB); |
| 3388 | if (ret) |
| 3389 | pr_err("Fail to vote for DFAB clock%d\n", ret); |
| 3390 | ret = qsee_vote_for_clock(data, CLK_SFPB); |
| 3391 | if (ret) |
| 3392 | pr_err("Fail to vote for SFPB clock%d\n", ret); |
| 3393 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3394 | atomic_dec(&data->ioctl_count); |
| 3395 | break; |
| 3396 | } |
| 3397 | case QSEECOM_IOCTL_PERF_DISABLE_REQ:{ |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3398 | if ((data->type != QSEECOM_SECURE_SERVICE) && |
| 3399 | (data->type != QSEECOM_CLIENT_APP)) { |
| 3400 | pr_err("perf disable req: invalid handle (%d)\n", |
| 3401 | data->type); |
| 3402 | ret = -EINVAL; |
| 3403 | break; |
| 3404 | } |
| 3405 | if ((data->type == QSEECOM_CLIENT_APP) && |
| 3406 | (data->client.app_id == 0)) { |
| 3407 | pr_err("perf disable: invalid handle (%d)app_id(%d)\n", |
| 3408 | data->type, data->client.app_id); |
| 3409 | ret = -EINVAL; |
| 3410 | break; |
| 3411 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3412 | atomic_inc(&data->ioctl_count); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3413 | if (!qseecom.support_bus_scaling) { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3414 | qsee_disable_clock_vote(data, CLK_DFAB); |
| 3415 | qsee_disable_clock_vote(data, CLK_SFPB); |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3416 | } |
| 3417 | atomic_dec(&data->ioctl_count); |
| 3418 | break; |
| 3419 | } |
| 3420 | |
| 3421 | case QSEECOM_IOCTL_SET_BUS_SCALING_REQ: { |
| 3422 | if ((data->client.app_id == 0) || |
| 3423 | (data->type != QSEECOM_CLIENT_APP)) { |
| 3424 | pr_err("set bus scale: invalid handle (%d) appid(%d)\n", |
| 3425 | data->type, data->client.app_id); |
| 3426 | ret = -EINVAL; |
| 3427 | break; |
| 3428 | } |
| 3429 | atomic_inc(&data->ioctl_count); |
| 3430 | ret = qseecom_scale_bus_bandwidth(data, argp); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3431 | atomic_dec(&data->ioctl_count); |
| 3432 | break; |
| 3433 | } |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 3434 | case QSEECOM_IOCTL_LOAD_EXTERNAL_ELF_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3435 | if (data->type != QSEECOM_GENERIC) { |
| 3436 | pr_err("load ext elf req: invalid client handle (%d)\n", |
| 3437 | data->type); |
| 3438 | ret = -EINVAL; |
| 3439 | break; |
| 3440 | } |
Hariprasad Dhalinarasimha | 492530f | 2013-08-19 12:45:18 -0700 | [diff] [blame] | 3441 | data->type = QSEECOM_UNAVAILABLE_CLIENT_APP; |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 3442 | data->released = true; |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 3443 | mutex_lock(&app_access_lock); |
| 3444 | atomic_inc(&data->ioctl_count); |
| 3445 | ret = qseecom_load_external_elf(data, argp); |
| 3446 | atomic_dec(&data->ioctl_count); |
| 3447 | mutex_unlock(&app_access_lock); |
| 3448 | if (ret) |
| 3449 | pr_err("failed load_external_elf request: %d\n", ret); |
| 3450 | break; |
| 3451 | } |
| 3452 | case QSEECOM_IOCTL_UNLOAD_EXTERNAL_ELF_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3453 | if (data->type != QSEECOM_UNAVAILABLE_CLIENT_APP) { |
| 3454 | pr_err("unload ext elf req: invalid handle (%d)\n", |
| 3455 | data->type); |
| 3456 | ret = -EINVAL; |
| 3457 | break; |
| 3458 | } |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 3459 | data->released = true; |
Mona Hossain | 5ab9d77 | 2012-04-11 21:00:40 -0700 | [diff] [blame] | 3460 | mutex_lock(&app_access_lock); |
| 3461 | atomic_inc(&data->ioctl_count); |
| 3462 | ret = qseecom_unload_external_elf(data); |
| 3463 | atomic_dec(&data->ioctl_count); |
| 3464 | mutex_unlock(&app_access_lock); |
| 3465 | if (ret) |
| 3466 | pr_err("failed unload_app request: %d\n", ret); |
| 3467 | break; |
| 3468 | } |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 3469 | case QSEECOM_IOCTL_APP_LOADED_QUERY_REQ: { |
Hariprasad Dhalinarasimha | 492530f | 2013-08-19 12:45:18 -0700 | [diff] [blame] | 3470 | data->type = QSEECOM_CLIENT_APP; |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 3471 | mutex_lock(&app_access_lock); |
| 3472 | atomic_inc(&data->ioctl_count); |
Hariprasad Dhalinarasimha | 492530f | 2013-08-19 12:45:18 -0700 | [diff] [blame] | 3473 | pr_debug("APP_LOAD_QUERY: qseecom_addr = 0x%x\n", (u32)data); |
Ramesh Masavarapu | 1ee4ac8 | 2012-06-22 15:38:34 -0700 | [diff] [blame] | 3474 | ret = qseecom_query_app_loaded(data, argp); |
| 3475 | atomic_dec(&data->ioctl_count); |
| 3476 | mutex_unlock(&app_access_lock); |
| 3477 | break; |
| 3478 | } |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3479 | case QSEECOM_IOCTL_SEND_CMD_SERVICE_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3480 | if (data->type != QSEECOM_GENERIC) { |
| 3481 | pr_err("send cmd svc req: invalid handle (%d)\n", |
| 3482 | data->type); |
| 3483 | ret = -EINVAL; |
| 3484 | break; |
| 3485 | } |
Hariprasad Dhalinarasimha | 492530f | 2013-08-19 12:45:18 -0700 | [diff] [blame] | 3486 | data->type = QSEECOM_SECURE_SERVICE; |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3487 | if (qseecom.qsee_version < QSEE_VERSION_03) { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3488 | pr_err("SEND_CMD_SERVICE_REQ: Invalid qsee ver %u\n", |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3489 | qseecom.qsee_version); |
| 3490 | return -EINVAL; |
| 3491 | } |
| 3492 | mutex_lock(&app_access_lock); |
| 3493 | atomic_inc(&data->ioctl_count); |
| 3494 | ret = qseecom_send_service_cmd(data, argp); |
| 3495 | atomic_dec(&data->ioctl_count); |
| 3496 | mutex_unlock(&app_access_lock); |
| 3497 | break; |
| 3498 | } |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3499 | case QSEECOM_IOCTL_CREATE_KEY_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3500 | if (data->type != QSEECOM_GENERIC) { |
| 3501 | pr_err("create key req: invalid handle (%d)\n", |
| 3502 | data->type); |
| 3503 | ret = -EINVAL; |
| 3504 | break; |
| 3505 | } |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 3506 | if (qseecom.qsee_version < QSEE_VERSION_05) { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3507 | pr_err("Create Key feature unsupported: qsee ver %u\n", |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 3508 | qseecom.qsee_version); |
| 3509 | return -EINVAL; |
| 3510 | } |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3511 | data->released = true; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3512 | atomic_inc(&data->ioctl_count); |
| 3513 | ret = qseecom_create_key(data, argp); |
| 3514 | if (ret) |
| 3515 | pr_err("failed to create encryption key: %d\n", ret); |
| 3516 | |
| 3517 | atomic_dec(&data->ioctl_count); |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3518 | break; |
| 3519 | } |
| 3520 | case QSEECOM_IOCTL_WIPE_KEY_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3521 | if (data->type != QSEECOM_GENERIC) { |
| 3522 | pr_err("wipe key req: invalid handle (%d)\n", |
| 3523 | data->type); |
| 3524 | ret = -EINVAL; |
| 3525 | break; |
| 3526 | } |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 3527 | if (qseecom.qsee_version < QSEE_VERSION_05) { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3528 | pr_err("Wipe Key feature unsupported in qsee ver %u\n", |
Zhen Kong | 336636e | 2013-04-15 11:04:54 -0700 | [diff] [blame] | 3529 | qseecom.qsee_version); |
| 3530 | return -EINVAL; |
| 3531 | } |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3532 | data->released = true; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3533 | atomic_inc(&data->ioctl_count); |
| 3534 | ret = qseecom_wipe_key(data, argp); |
| 3535 | if (ret) |
| 3536 | pr_err("failed to wipe encryption key: %d\n", ret); |
| 3537 | atomic_dec(&data->ioctl_count); |
Zhen Kong | 9730ddf | 2013-12-17 16:49:43 -0800 | [diff] [blame] | 3538 | break; |
| 3539 | } |
| 3540 | case QSEECOM_IOCTL_UPDATE_KEY_USER_INFO_REQ: { |
| 3541 | if (data->type != QSEECOM_GENERIC) { |
| 3542 | pr_err("update key req: invalid handle (%d)\n", |
| 3543 | data->type); |
| 3544 | ret = -EINVAL; |
| 3545 | break; |
| 3546 | } |
| 3547 | if (qseecom.qsee_version < QSEE_VERSION_05) { |
| 3548 | pr_err("Update Key feature unsupported in qsee ver %u\n", |
| 3549 | qseecom.qsee_version); |
| 3550 | return -EINVAL; |
| 3551 | } |
| 3552 | data->released = true; |
| 3553 | atomic_inc(&data->ioctl_count); |
| 3554 | ret = qseecom_update_key_user_info(data, argp); |
| 3555 | if (ret) |
| 3556 | pr_err("failed to update key user info: %d\n", ret); |
| 3557 | atomic_dec(&data->ioctl_count); |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3558 | break; |
| 3559 | } |
Amir Samuelov | d1fc741 | 2013-03-10 16:56:13 +0200 | [diff] [blame] | 3560 | case QSEECOM_IOCTL_SAVE_PARTITION_HASH_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3561 | if (data->type != QSEECOM_GENERIC) { |
| 3562 | pr_err("save part hash req: invalid handle (%d)\n", |
| 3563 | data->type); |
| 3564 | ret = -EINVAL; |
| 3565 | break; |
| 3566 | } |
Amir Samuelov | d1fc741 | 2013-03-10 16:56:13 +0200 | [diff] [blame] | 3567 | data->released = true; |
| 3568 | mutex_lock(&app_access_lock); |
| 3569 | atomic_inc(&data->ioctl_count); |
| 3570 | ret = qseecom_save_partition_hash(argp); |
| 3571 | atomic_dec(&data->ioctl_count); |
| 3572 | mutex_unlock(&app_access_lock); |
| 3573 | break; |
| 3574 | } |
| 3575 | case QSEECOM_IOCTL_IS_ES_ACTIVATED_REQ: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3576 | if (data->type != QSEECOM_GENERIC) { |
| 3577 | pr_err("ES activated req: invalid handle (%d)\n", |
| 3578 | data->type); |
| 3579 | ret = -EINVAL; |
| 3580 | break; |
| 3581 | } |
Amir Samuelov | d1fc741 | 2013-03-10 16:56:13 +0200 | [diff] [blame] | 3582 | data->released = true; |
| 3583 | mutex_lock(&app_access_lock); |
| 3584 | atomic_inc(&data->ioctl_count); |
| 3585 | ret = qseecom_is_es_activated(argp); |
| 3586 | atomic_dec(&data->ioctl_count); |
| 3587 | mutex_unlock(&app_access_lock); |
| 3588 | break; |
| 3589 | } |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 3590 | case QSEECOM_IOCTL_SEND_MODFD_RESP: { |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3591 | if ((data->listener.id == 0) || |
| 3592 | (data->type != QSEECOM_LISTENER_SERVICE)) { |
| 3593 | pr_err("receive req: invalid handle (%d), lid(%d)\n", |
| 3594 | data->type, data->listener.id); |
| 3595 | ret = -EINVAL; |
| 3596 | break; |
| 3597 | } |
Hariprasad Dhalinarasimha | 23fdcd9 | 2013-05-01 14:51:09 -0700 | [diff] [blame] | 3598 | /* Only one client allowed here at a time */ |
| 3599 | atomic_inc(&data->ioctl_count); |
| 3600 | ret = qseecom_send_modfd_resp(data, argp); |
| 3601 | atomic_dec(&data->ioctl_count); |
| 3602 | wake_up_all(&data->abort_wq); |
| 3603 | if (ret) |
| 3604 | pr_err("failed qseecom_send_mod_resp: %d\n", ret); |
| 3605 | break; |
| 3606 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3607 | default: |
Mona Hossain | a1124de | 2013-10-01 13:41:09 -0700 | [diff] [blame] | 3608 | pr_err("Invalid IOCTL: %d\n", cmd); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3609 | return -EINVAL; |
| 3610 | } |
| 3611 | return ret; |
| 3612 | } |
| 3613 | |
| 3614 | static int qseecom_open(struct inode *inode, struct file *file) |
| 3615 | { |
| 3616 | int ret = 0; |
| 3617 | struct qseecom_dev_handle *data; |
| 3618 | |
| 3619 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
| 3620 | if (!data) { |
| 3621 | pr_err("kmalloc failed\n"); |
| 3622 | return -ENOMEM; |
| 3623 | } |
| 3624 | file->private_data = data; |
| 3625 | data->abort = 0; |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3626 | data->type = QSEECOM_GENERIC; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3627 | data->released = false; |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3628 | data->mode = INACTIVE; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3629 | init_waitqueue_head(&data->abort_wq); |
| 3630 | atomic_set(&data->ioctl_count, 0); |
Mona Hossain | d4613de | 2013-05-15 16:49:29 -0700 | [diff] [blame] | 3631 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3632 | return ret; |
| 3633 | } |
| 3634 | |
| 3635 | static int qseecom_release(struct inode *inode, struct file *file) |
| 3636 | { |
| 3637 | struct qseecom_dev_handle *data = file->private_data; |
| 3638 | int ret = 0; |
| 3639 | |
| 3640 | if (data->released == false) { |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3641 | pr_warn("data: released=false, type=%d, mode=%d, data=0x%x\n", |
| 3642 | data->type, data->mode, (u32)data); |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3643 | switch (data->type) { |
| 3644 | case QSEECOM_LISTENER_SERVICE: |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3645 | ret = qseecom_unregister_listener(data); |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3646 | break; |
| 3647 | case QSEECOM_CLIENT_APP: |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3648 | ret = qseecom_unload_app(data); |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3649 | break; |
| 3650 | case QSEECOM_SECURE_SERVICE: |
Mona Hossain | d4b70573 | 2013-04-05 21:56:28 -0700 | [diff] [blame] | 3651 | case QSEECOM_GENERIC: |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3652 | ret = qseecom_unmap_ion_allocated_memory(data); |
Hariprasad Dhalinarasimha | 492530f | 2013-08-19 12:45:18 -0700 | [diff] [blame] | 3653 | if (ret) |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3654 | pr_err("Close failed\n"); |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3655 | break; |
AnilKumar Chimata | f732bbe | 2013-07-24 00:44:09 +0530 | [diff] [blame] | 3656 | case QSEECOM_UNAVAILABLE_CLIENT_APP: |
| 3657 | break; |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3658 | default: |
| 3659 | pr_err("Unsupported clnt_handle_type %d", |
| 3660 | data->type); |
| 3661 | break; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3662 | } |
| 3663 | } |
Hariprasad Dhalinarasimha | adf27a8 | 2013-02-11 15:07:59 -0800 | [diff] [blame] | 3664 | |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3665 | if (qseecom.support_bus_scaling) { |
| 3666 | mutex_lock(&qsee_bw_mutex); |
| 3667 | if (data->mode != INACTIVE) { |
| 3668 | qseecom_unregister_bus_bandwidth_needs(data); |
| 3669 | if (qseecom.cumulative_mode == INACTIVE) { |
| 3670 | ret = __qseecom_set_msm_bus_request(INACTIVE); |
| 3671 | if (ret) |
| 3672 | pr_err("Fail to scale down bus\n"); |
| 3673 | } |
| 3674 | } |
| 3675 | mutex_unlock(&qsee_bw_mutex); |
| 3676 | } else { |
| 3677 | if (data->fast_load_enabled == true) |
| 3678 | qsee_disable_clock_vote(data, CLK_SFPB); |
| 3679 | if (data->perf_enabled == true) |
| 3680 | qsee_disable_clock_vote(data, CLK_DFAB); |
| 3681 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3682 | kfree(data); |
Ramesh Masavarapu | a1bc0e4 | 2012-03-05 07:42:48 -0800 | [diff] [blame] | 3683 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3684 | return ret; |
| 3685 | } |
| 3686 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3687 | static const struct file_operations qseecom_fops = { |
| 3688 | .owner = THIS_MODULE, |
| 3689 | .unlocked_ioctl = qseecom_ioctl, |
| 3690 | .open = qseecom_open, |
| 3691 | .release = qseecom_release |
| 3692 | }; |
| 3693 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3694 | static int __qseecom_init_clk(enum qseecom_ce_hw_instance ce) |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3695 | { |
| 3696 | int rc = 0; |
| 3697 | struct device *pdev; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3698 | struct qseecom_clk *qclk; |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3699 | char *core_clk_src = NULL; |
| 3700 | char *core_clk = NULL; |
| 3701 | char *iface_clk = NULL; |
| 3702 | char *bus_clk = NULL; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3703 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3704 | switch (ce) { |
| 3705 | case CLK_QSEE: { |
| 3706 | core_clk_src = "core_clk_src"; |
| 3707 | core_clk = "core_clk"; |
| 3708 | iface_clk = "iface_clk"; |
| 3709 | bus_clk = "bus_clk"; |
| 3710 | qclk = &qseecom.qsee; |
| 3711 | qclk->instance = CLK_QSEE; |
| 3712 | break; |
| 3713 | }; |
| 3714 | case CLK_CE_DRV: { |
| 3715 | core_clk_src = "ce_drv_core_clk_src"; |
| 3716 | core_clk = "ce_drv_core_clk"; |
| 3717 | iface_clk = "ce_drv_iface_clk"; |
| 3718 | bus_clk = "ce_drv_bus_clk"; |
| 3719 | qclk = &qseecom.ce_drv; |
| 3720 | qclk->instance = CLK_CE_DRV; |
| 3721 | break; |
| 3722 | }; |
| 3723 | default: |
| 3724 | pr_err("Invalid ce hw instance: %d!\n", ce); |
| 3725 | return -EIO; |
| 3726 | } |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3727 | pdev = qseecom.pdev; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3728 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3729 | /* Get CE3 src core clk. */ |
| 3730 | qclk->ce_core_src_clk = clk_get(pdev, core_clk_src); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3731 | if (!IS_ERR(qclk->ce_core_src_clk)) { |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 3732 | /* Set the core src clk @100Mhz */ |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3733 | rc = clk_set_rate(qclk->ce_core_src_clk, QSEE_CE_CLK_100MHZ); |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3734 | if (rc) { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3735 | clk_put(qclk->ce_core_src_clk); |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3736 | pr_err("Unable to set the core src clk @100Mhz.\n"); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 3737 | return -EIO; |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3738 | } |
| 3739 | } else { |
| 3740 | pr_warn("Unable to get CE core src clk, set to NULL\n"); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3741 | qclk->ce_core_src_clk = NULL; |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3742 | } |
| 3743 | |
| 3744 | /* Get CE core clk */ |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3745 | qclk->ce_core_clk = clk_get(pdev, core_clk); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3746 | if (IS_ERR(qclk->ce_core_clk)) { |
| 3747 | rc = PTR_ERR(qclk->ce_core_clk); |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3748 | pr_err("Unable to get CE core clk\n"); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3749 | if (qclk->ce_core_src_clk != NULL) |
| 3750 | clk_put(qclk->ce_core_src_clk); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 3751 | return -EIO; |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3752 | } |
| 3753 | |
| 3754 | /* Get CE Interface clk */ |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3755 | qclk->ce_clk = clk_get(pdev, iface_clk); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3756 | if (IS_ERR(qclk->ce_clk)) { |
| 3757 | rc = PTR_ERR(qclk->ce_clk); |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3758 | pr_err("Unable to get CE interface clk\n"); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3759 | if (qclk->ce_core_src_clk != NULL) |
| 3760 | clk_put(qclk->ce_core_src_clk); |
| 3761 | clk_put(qclk->ce_core_clk); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 3762 | return -EIO; |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3763 | } |
| 3764 | |
| 3765 | /* Get CE AXI clk */ |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3766 | qclk->ce_bus_clk = clk_get(pdev, bus_clk); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3767 | if (IS_ERR(qclk->ce_bus_clk)) { |
| 3768 | rc = PTR_ERR(qclk->ce_bus_clk); |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3769 | pr_err("Unable to get CE BUS interface clk\n"); |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3770 | if (qclk->ce_core_src_clk != NULL) |
| 3771 | clk_put(qclk->ce_core_src_clk); |
| 3772 | clk_put(qclk->ce_core_clk); |
| 3773 | clk_put(qclk->ce_clk); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 3774 | return -EIO; |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3775 | } |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3776 | return rc; |
| 3777 | } |
| 3778 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3779 | static void __qseecom_deinit_clk(enum qseecom_ce_hw_instance ce) |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3780 | { |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3781 | struct qseecom_clk *qclk; |
| 3782 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3783 | if (ce == CLK_QSEE) |
| 3784 | qclk = &qseecom.qsee; |
| 3785 | else |
| 3786 | qclk = &qseecom.ce_drv; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3787 | |
| 3788 | if (qclk->ce_clk != NULL) { |
| 3789 | clk_put(qclk->ce_clk); |
| 3790 | qclk->ce_clk = NULL; |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 3791 | } |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3792 | if (qclk->ce_core_clk != NULL) { |
| 3793 | clk_put(qclk->ce_core_clk); |
| 3794 | qclk->ce_clk = NULL; |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 3795 | } |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3796 | if (qclk->ce_bus_clk != NULL) { |
| 3797 | clk_put(qclk->ce_bus_clk); |
| 3798 | qclk->ce_clk = NULL; |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 3799 | } |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3800 | if (qclk->ce_core_src_clk != NULL) { |
| 3801 | clk_put(qclk->ce_core_src_clk); |
| 3802 | qclk->ce_core_src_clk = NULL; |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 3803 | } |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3804 | } |
| 3805 | |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 3806 | static int __devinit qseecom_probe(struct platform_device *pdev) |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3807 | { |
| 3808 | int rc; |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 3809 | int ret = 0; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3810 | struct device *class_dev; |
| 3811 | char qsee_not_legacy = 0; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 3812 | struct msm_bus_scale_pdata *qseecom_platform_support = NULL; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3813 | uint32_t system_call_id = QSEOS_CHECK_VERSION_CMD; |
| 3814 | |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3815 | qseecom.qsee_bw_count = 0; |
| 3816 | qseecom.qsee_perf_client = 0; |
| 3817 | qseecom.qsee_sfpb_bw_count = 0; |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 3818 | |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 3819 | qseecom.qsee.ce_core_clk = NULL; |
| 3820 | qseecom.qsee.ce_clk = NULL; |
| 3821 | qseecom.qsee.ce_core_src_clk = NULL; |
| 3822 | qseecom.qsee.ce_bus_clk = NULL; |
Ramesh Masavarapu | e640e84 | 2012-04-03 11:21:54 -0700 | [diff] [blame] | 3823 | |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3824 | qseecom.cumulative_mode = 0; |
| 3825 | qseecom.current_mode = INACTIVE; |
| 3826 | qseecom.support_bus_scaling = false; |
| 3827 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3828 | qseecom.ce_drv.ce_core_clk = NULL; |
| 3829 | qseecom.ce_drv.ce_clk = NULL; |
| 3830 | qseecom.ce_drv.ce_core_src_clk = NULL; |
| 3831 | qseecom.ce_drv.ce_bus_clk = NULL; |
| 3832 | |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3833 | rc = alloc_chrdev_region(&qseecom_device_no, 0, 1, QSEECOM_DEV); |
| 3834 | if (rc < 0) { |
| 3835 | pr_err("alloc_chrdev_region failed %d\n", rc); |
| 3836 | return rc; |
| 3837 | } |
| 3838 | |
| 3839 | driver_class = class_create(THIS_MODULE, QSEECOM_DEV); |
| 3840 | if (IS_ERR(driver_class)) { |
| 3841 | rc = -ENOMEM; |
| 3842 | pr_err("class_create failed %d\n", rc); |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3843 | goto exit_unreg_chrdev_region; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3844 | } |
| 3845 | |
| 3846 | class_dev = device_create(driver_class, NULL, qseecom_device_no, NULL, |
| 3847 | QSEECOM_DEV); |
| 3848 | if (!class_dev) { |
| 3849 | pr_err("class_device_create failed %d\n", rc); |
| 3850 | rc = -ENOMEM; |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3851 | goto exit_destroy_class; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3852 | } |
| 3853 | |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3854 | cdev_init(&qseecom.cdev, &qseecom_fops); |
| 3855 | qseecom.cdev.owner = THIS_MODULE; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3856 | |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3857 | rc = cdev_add(&qseecom.cdev, MKDEV(MAJOR(qseecom_device_no), 0), 1); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3858 | if (rc < 0) { |
| 3859 | pr_err("cdev_add failed %d\n", rc); |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3860 | goto exit_destroy_device; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3861 | } |
| 3862 | |
| 3863 | INIT_LIST_HEAD(&qseecom.registered_listener_list_head); |
| 3864 | spin_lock_init(&qseecom.registered_listener_list_lock); |
| 3865 | INIT_LIST_HEAD(&qseecom.registered_app_list_head); |
| 3866 | spin_lock_init(&qseecom.registered_app_list_lock); |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 3867 | INIT_LIST_HEAD(&qseecom.registered_kclient_list_head); |
| 3868 | spin_lock_init(&qseecom.registered_kclient_list_lock); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3869 | init_waitqueue_head(&qseecom.send_resp_wq); |
| 3870 | qseecom.send_resp_flag = 0; |
| 3871 | |
| 3872 | rc = scm_call(6, 1, &system_call_id, sizeof(system_call_id), |
| 3873 | &qsee_not_legacy, sizeof(qsee_not_legacy)); |
| 3874 | if (rc) { |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 3875 | pr_err("Failed to retrieve QSEOS version information %d\n", rc); |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3876 | goto exit_del_cdev; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3877 | } |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 3878 | if (qsee_not_legacy) { |
| 3879 | uint32_t feature = 10; |
| 3880 | |
| 3881 | qseecom.qsee_version = QSEEE_VERSION_00; |
| 3882 | rc = scm_call(6, 3, &feature, sizeof(feature), |
| 3883 | &qseecom.qsee_version, sizeof(qseecom.qsee_version)); |
| 3884 | if (rc) { |
| 3885 | pr_err("Failed to get QSEE version info %d\n", rc); |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3886 | goto exit_del_cdev; |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 3887 | } |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3888 | qseecom.qseos_version = QSEOS_VERSION_14; |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 3889 | } else { |
Mona Hossain | 9c1f6c5 | 2013-05-19 21:27:26 -0700 | [diff] [blame] | 3890 | pr_err("QSEE legacy version is not supported:"); |
| 3891 | pr_err("Support for TZ1.3 and earlier is deprecated\n"); |
| 3892 | rc = -EINVAL; |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3893 | goto exit_del_cdev; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3894 | } |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 3895 | qseecom.commonlib_loaded = false; |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3896 | qseecom.pdev = class_dev; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3897 | /* Create ION msm client */ |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 3898 | qseecom.ion_clnt = msm_ion_client_create(-1, "qseecom-kernel"); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3899 | if (qseecom.ion_clnt == NULL) { |
| 3900 | pr_err("Ion client cannot be created\n"); |
| 3901 | rc = -ENOMEM; |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3902 | goto exit_del_cdev; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 3903 | } |
| 3904 | |
| 3905 | /* register client for bus scaling */ |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3906 | if (pdev->dev.of_node) { |
AnilKumar Chimata | bb51272 | 2014-01-29 00:12:35 +0530 | [diff] [blame] | 3907 | qseecom.pdev->of_node = pdev->dev.of_node; |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 3908 | qseecom.support_bus_scaling = |
| 3909 | of_property_read_bool((&pdev->dev)->of_node, |
| 3910 | "qcom,support-bus-scaling"); |
| 3911 | pr_warn("support_bus_scaling=0x%x", |
| 3912 | qseecom.support_bus_scaling); |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3913 | if (of_property_read_u32((&pdev->dev)->of_node, |
| 3914 | "qcom,disk-encrypt-pipe-pair", |
| 3915 | &qseecom.ce_info.disk_encrypt_pipe)) { |
| 3916 | pr_err("Fail to get disk-encrypt pipe pair information.\n"); |
| 3917 | qseecom.ce_info.disk_encrypt_pipe = 0xff; |
| 3918 | rc = -EINVAL; |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3919 | goto exit_destroy_ion_client; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3920 | } else { |
| 3921 | pr_warn("bam_pipe_pair=0x%x", |
| 3922 | qseecom.ce_info.disk_encrypt_pipe); |
| 3923 | } |
| 3924 | |
| 3925 | if (of_property_read_u32((&pdev->dev)->of_node, |
| 3926 | "qcom,qsee-ce-hw-instance", |
| 3927 | &qseecom.ce_info.qsee_ce_hw_instance)) { |
| 3928 | pr_err("Fail to get qsee ce hw instance information.\n"); |
| 3929 | qseecom.ce_info.qsee_ce_hw_instance = 0xff; |
| 3930 | rc = -EINVAL; |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3931 | goto exit_destroy_ion_client; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3932 | } else { |
| 3933 | pr_warn("qsee-ce-hw-instance=0x%x", |
| 3934 | qseecom.ce_info.qsee_ce_hw_instance); |
| 3935 | } |
| 3936 | |
| 3937 | if (of_property_read_u32((&pdev->dev)->of_node, |
| 3938 | "qcom,hlos-ce-hw-instance", |
| 3939 | &qseecom.ce_info.hlos_ce_hw_instance)) { |
| 3940 | pr_err("Fail to get hlos ce hw instance information.\n"); |
| 3941 | qseecom.ce_info.hlos_ce_hw_instance = 0xff; |
| 3942 | rc = -EINVAL; |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3943 | goto exit_destroy_ion_client; |
Mona Hossain | 4cf78a9 | 2013-02-14 12:06:41 -0800 | [diff] [blame] | 3944 | } else { |
| 3945 | pr_warn("hlos-ce-hw-instance=0x%x", |
| 3946 | qseecom.ce_info.hlos_ce_hw_instance); |
| 3947 | } |
| 3948 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3949 | qseecom.qsee.instance = qseecom.ce_info.qsee_ce_hw_instance; |
| 3950 | qseecom.ce_drv.instance = qseecom.ce_info.hlos_ce_hw_instance; |
| 3951 | |
| 3952 | ret = __qseecom_init_clk(CLK_QSEE); |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3953 | if (ret) |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3954 | goto exit_destroy_ion_client; |
Mona Hossain | 6311d57 | 2013-03-01 15:54:02 -0800 | [diff] [blame] | 3955 | |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3956 | if (qseecom.qsee.instance != qseecom.ce_drv.instance) { |
| 3957 | ret = __qseecom_init_clk(CLK_CE_DRV); |
| 3958 | if (ret) { |
| 3959 | __qseecom_deinit_clk(CLK_QSEE); |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3960 | goto exit_destroy_ion_client; |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 3961 | } |
| 3962 | } else { |
| 3963 | struct qseecom_clk *qclk; |
| 3964 | |
| 3965 | qclk = &qseecom.qsee; |
| 3966 | qseecom.ce_drv.ce_core_clk = qclk->ce_core_clk; |
| 3967 | qseecom.ce_drv.ce_clk = qclk->ce_clk; |
| 3968 | qseecom.ce_drv.ce_core_src_clk = qclk->ce_core_src_clk; |
| 3969 | qseecom.ce_drv.ce_bus_clk = qclk->ce_bus_clk; |
| 3970 | } |
| 3971 | |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 3972 | qseecom_platform_support = (struct msm_bus_scale_pdata *) |
| 3973 | msm_bus_cl_get_pdata(pdev); |
Mona Hossain | 5b76a62 | 2012-11-15 20:09:08 -0800 | [diff] [blame] | 3974 | if (qseecom.qsee_version >= (QSEE_VERSION_02)) { |
| 3975 | struct resource *resource = NULL; |
| 3976 | struct qsee_apps_region_info_ireq req; |
| 3977 | struct qseecom_command_scm_resp resp; |
| 3978 | |
| 3979 | resource = platform_get_resource_byname(pdev, |
| 3980 | IORESOURCE_MEM, "secapp-region"); |
| 3981 | if (resource) { |
| 3982 | req.qsee_cmd_id = QSEOS_APP_REGION_NOTIFICATION; |
| 3983 | req.addr = resource->start; |
| 3984 | req.size = resource_size(resource); |
| 3985 | pr_warn("secure app region addr=0x%x size=0x%x", |
| 3986 | req.addr, req.size); |
| 3987 | } else { |
| 3988 | pr_err("Fail to get secure app region info\n"); |
| 3989 | rc = -EINVAL; |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3990 | goto exit_destroy_ion_client; |
Mona Hossain | 5b76a62 | 2012-11-15 20:09:08 -0800 | [diff] [blame] | 3991 | } |
| 3992 | rc = scm_call(SCM_SVC_TZSCHEDULER, 1, &req, sizeof(req), |
| 3993 | &resp, sizeof(resp)); |
Mona Hossain | 32deb98 | 2013-08-06 16:25:44 -0700 | [diff] [blame] | 3994 | if (rc || (resp.result != QSEOS_RESULT_SUCCESS)) { |
| 3995 | pr_err("send secapp reg fail %d resp.res %d\n", |
| 3996 | rc, resp.result); |
| 3997 | rc = -EINVAL; |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 3998 | goto exit_destroy_ion_client; |
Mona Hossain | 5b76a62 | 2012-11-15 20:09:08 -0800 | [diff] [blame] | 3999 | } |
| 4000 | } |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 4001 | } else { |
Ramesh Masavarapu | fb1f01e | 2012-06-14 09:40:40 -0700 | [diff] [blame] | 4002 | qseecom_platform_support = (struct msm_bus_scale_pdata *) |
| 4003 | pdev->dev.platform_data; |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 4004 | } |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 4005 | if (qseecom.support_bus_scaling) { |
| 4006 | init_timer(&(qseecom.bw_scale_down_timer)); |
| 4007 | INIT_WORK(&qseecom.bw_inactive_req_ws, |
| 4008 | qseecom_bw_inactive_req_work); |
| 4009 | qseecom.bw_scale_down_timer.function = |
| 4010 | qseecom_scale_bus_bandwidth_timer_callback; |
| 4011 | } |
Zhen Kong | ea5d4bb | 2014-02-18 14:59:53 -0800 | [diff] [blame] | 4012 | qseecom.timer_running = false; |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 4013 | qseecom.qsee_perf_client = msm_bus_scale_register_client( |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 4014 | qseecom_platform_support); |
| 4015 | |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 4016 | if (!qseecom.qsee_perf_client) |
Ramesh Masavarapu | ff37703 | 2012-09-14 12:11:32 -0700 | [diff] [blame] | 4017 | pr_err("Unable to register bus client\n"); |
| 4018 | return 0; |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4019 | |
| 4020 | exit_destroy_ion_client: |
| 4021 | ion_client_destroy(qseecom.ion_clnt); |
| 4022 | exit_del_cdev: |
| 4023 | cdev_del(&qseecom.cdev); |
| 4024 | exit_destroy_device: |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 4025 | device_destroy(driver_class, qseecom_device_no); |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4026 | exit_destroy_class: |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 4027 | class_destroy(driver_class); |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4028 | exit_unreg_chrdev_region: |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 4029 | unregister_chrdev_region(qseecom_device_no, 1); |
| 4030 | return rc; |
| 4031 | } |
| 4032 | |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 4033 | static int __devinit qseecom_remove(struct platform_device *pdev) |
| 4034 | { |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 4035 | struct qseecom_registered_kclient_list *kclient = NULL; |
| 4036 | unsigned long flags = 0; |
| 4037 | int ret = 0; |
| 4038 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 4039 | spin_lock_irqsave(&qseecom.registered_kclient_list_lock, flags); |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4040 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 4041 | list_for_each_entry(kclient, &qseecom.registered_kclient_list_head, |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4042 | list) { |
| 4043 | if (!kclient) |
| 4044 | goto exit_irqrestore; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 4045 | |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4046 | /* Break the loop if client handle is NULL */ |
| 4047 | if (!kclient->handle) |
| 4048 | goto exit_free_kclient; |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 4049 | |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4050 | if (list_empty(&kclient->list)) |
| 4051 | goto exit_free_kc_handle; |
| 4052 | |
| 4053 | list_del(&kclient->list); |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 4054 | ret = qseecom_unload_app(kclient->handle->dev); |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4055 | if (!ret) { |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 4056 | kzfree(kclient->handle->dev); |
| 4057 | kzfree(kclient->handle); |
| 4058 | kzfree(kclient); |
| 4059 | } |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 4060 | } |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4061 | |
| 4062 | exit_free_kc_handle: |
| 4063 | kzfree(kclient->handle); |
| 4064 | exit_free_kclient: |
| 4065 | kzfree(kclient); |
| 4066 | exit_irqrestore: |
| 4067 | spin_unlock_irqrestore(&qseecom.registered_kclient_list_lock, flags); |
| 4068 | |
| 4069 | if (qseecom.qseos_version > QSEEE_VERSION_00) |
Mona Hossain | 05c7356 | 2012-10-29 17:49:01 -0700 | [diff] [blame] | 4070 | qseecom_unload_commonlib_image(); |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 4071 | |
Mona Hossain | 17a4faf | 2013-03-22 16:40:56 -0700 | [diff] [blame] | 4072 | if (qseecom.qsee_perf_client) |
| 4073 | msm_bus_scale_client_update_request(qseecom.qsee_perf_client, |
| 4074 | 0); |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4075 | if (pdev->dev.platform_data != NULL) |
| 4076 | msm_bus_scale_unregister_client(qseecom.qsee_perf_client); |
| 4077 | |
Zhen Kong | 2edf90d | 2013-08-27 12:05:06 -0700 | [diff] [blame] | 4078 | if (qseecom.support_bus_scaling) { |
| 4079 | cancel_work_sync(&qseecom.bw_inactive_req_ws); |
| 4080 | del_timer_sync(&qseecom.bw_scale_down_timer); |
| 4081 | } |
| 4082 | |
Mona Hossain | d39e33b | 2012-11-05 13:36:40 -0800 | [diff] [blame] | 4083 | /* register client for bus scaling */ |
Mona Hossain | c92629e | 2013-04-01 13:37:46 -0700 | [diff] [blame] | 4084 | if (pdev->dev.of_node) { |
| 4085 | __qseecom_deinit_clk(CLK_QSEE); |
| 4086 | if (qseecom.qsee.instance != qseecom.ce_drv.instance) |
| 4087 | __qseecom_deinit_clk(CLK_CE_DRV); |
| 4088 | } |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4089 | |
| 4090 | ion_client_destroy(qseecom.ion_clnt); |
| 4091 | |
| 4092 | cdev_del(&qseecom.cdev); |
| 4093 | |
| 4094 | device_destroy(driver_class, qseecom_device_no); |
| 4095 | |
| 4096 | class_destroy(driver_class); |
| 4097 | |
| 4098 | unregister_chrdev_region(qseecom_device_no, 1); |
| 4099 | |
Mona Hossain | d44a384 | 2012-10-15 09:41:35 -0700 | [diff] [blame] | 4100 | return ret; |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4101 | } |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 4102 | |
Zhen Kong | a0944b8 | 2013-11-06 17:02:00 -0800 | [diff] [blame] | 4103 | static int qseecom_suspend(struct platform_device *pdev, pm_message_t state) |
| 4104 | { |
| 4105 | int ret = 0; |
| 4106 | struct qseecom_clk *qclk; |
| 4107 | qclk = &qseecom.qsee; |
| 4108 | |
| 4109 | if (qseecom.cumulative_mode != INACTIVE) { |
| 4110 | ret = __qseecom_set_msm_bus_request(INACTIVE); |
| 4111 | if (ret) |
| 4112 | pr_err("Fail to scale down bus\n"); |
| 4113 | } |
| 4114 | mutex_lock(&clk_access_lock); |
| 4115 | if (qclk->clk_access_cnt) { |
| 4116 | if (qclk->ce_clk != NULL) |
| 4117 | clk_disable_unprepare(qclk->ce_clk); |
| 4118 | if (qclk->ce_core_clk != NULL) |
| 4119 | clk_disable_unprepare(qclk->ce_core_clk); |
| 4120 | if (qclk->ce_bus_clk != NULL) |
| 4121 | clk_disable_unprepare(qclk->ce_bus_clk); |
| 4122 | } |
| 4123 | mutex_unlock(&clk_access_lock); |
| 4124 | return 0; |
| 4125 | } |
| 4126 | |
| 4127 | static int qseecom_resume(struct platform_device *pdev) |
| 4128 | { |
| 4129 | int mode = 0; |
| 4130 | int ret = 0; |
| 4131 | struct qseecom_clk *qclk; |
| 4132 | qclk = &qseecom.qsee; |
| 4133 | |
| 4134 | if (qseecom.cumulative_mode >= HIGH) |
| 4135 | mode = HIGH; |
| 4136 | else |
| 4137 | mode = qseecom.cumulative_mode; |
| 4138 | |
| 4139 | if (qseecom.cumulative_mode != INACTIVE) { |
| 4140 | ret = __qseecom_set_msm_bus_request(mode); |
| 4141 | if (ret) |
| 4142 | pr_err("Fail to scale down bus\n"); |
| 4143 | } |
| 4144 | |
| 4145 | mutex_lock(&clk_access_lock); |
| 4146 | if (qclk->clk_access_cnt) { |
| 4147 | |
| 4148 | ret = clk_prepare_enable(qclk->ce_core_clk); |
| 4149 | if (ret) { |
| 4150 | pr_err("Unable to enable/prepare CE core clk\n"); |
| 4151 | qclk->clk_access_cnt = 0; |
| 4152 | goto err; |
| 4153 | } |
| 4154 | |
| 4155 | ret = clk_prepare_enable(qclk->ce_clk); |
| 4156 | if (ret) { |
| 4157 | pr_err("Unable to enable/prepare CE iface clk\n"); |
| 4158 | qclk->clk_access_cnt = 0; |
| 4159 | goto ce_clk_err; |
| 4160 | } |
| 4161 | |
| 4162 | ret = clk_prepare_enable(qclk->ce_bus_clk); |
| 4163 | if (ret) { |
| 4164 | pr_err("Unable to enable/prepare CE bus clk\n"); |
| 4165 | qclk->clk_access_cnt = 0; |
| 4166 | goto ce_bus_clk_err; |
| 4167 | } |
| 4168 | } |
| 4169 | mutex_unlock(&clk_access_lock); |
| 4170 | return 0; |
| 4171 | |
| 4172 | ce_bus_clk_err: |
| 4173 | clk_disable_unprepare(qclk->ce_clk); |
| 4174 | ce_clk_err: |
| 4175 | clk_disable_unprepare(qclk->ce_core_clk); |
| 4176 | err: |
| 4177 | mutex_unlock(&clk_access_lock); |
| 4178 | return -EIO; |
| 4179 | } |
Ramesh Masavarapu | fb1f01e | 2012-06-14 09:40:40 -0700 | [diff] [blame] | 4180 | static struct of_device_id qseecom_match[] = { |
| 4181 | { |
| 4182 | .compatible = "qcom,qseecom", |
| 4183 | }, |
| 4184 | {} |
| 4185 | }; |
| 4186 | |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 4187 | static struct platform_driver qseecom_plat_driver = { |
| 4188 | .probe = qseecom_probe, |
| 4189 | .remove = qseecom_remove, |
Zhen Kong | a0944b8 | 2013-11-06 17:02:00 -0800 | [diff] [blame] | 4190 | .suspend = qseecom_suspend, |
| 4191 | .resume = qseecom_resume, |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 4192 | .driver = { |
| 4193 | .name = "qseecom", |
| 4194 | .owner = THIS_MODULE, |
Ramesh Masavarapu | fb1f01e | 2012-06-14 09:40:40 -0700 | [diff] [blame] | 4195 | .of_match_table = qseecom_match, |
Ramesh Masavarapu | a26cce7 | 2012-04-09 12:32:25 -0700 | [diff] [blame] | 4196 | }, |
| 4197 | }; |
| 4198 | |
| 4199 | static int __devinit qseecom_init(void) |
| 4200 | { |
| 4201 | return platform_driver_register(&qseecom_plat_driver); |
| 4202 | } |
| 4203 | |
| 4204 | static void __devexit qseecom_exit(void) |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 4205 | { |
AnilKumar Chimata | a253a03 | 2013-10-04 18:53:42 +0530 | [diff] [blame] | 4206 | platform_driver_unregister(&qseecom_plat_driver); |
Mona Hossain | 2892b6b | 2012-02-17 13:53:11 -0800 | [diff] [blame] | 4207 | } |
| 4208 | |
| 4209 | MODULE_LICENSE("GPL v2"); |
| 4210 | MODULE_DESCRIPTION("Qualcomm Secure Execution Environment Communicator"); |
| 4211 | |
| 4212 | module_init(qseecom_init); |
| 4213 | module_exit(qseecom_exit); |