Akshay Pandit | 0e2e68a | 2020-02-05 17:58:06 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/clk.h> |
| 14 | #include <linux/compat.h> |
| 15 | #include <linux/device.h> |
| 16 | #include <linux/dmapool.h> |
| 17 | #include <linux/fs.h> |
| 18 | #include <linux/genalloc.h> |
| 19 | #include <linux/init.h> |
| 20 | #include <linux/kernel.h> |
| 21 | #include <linux/mm.h> |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/of.h> |
| 24 | #include <linux/of_platform.h> |
| 25 | #include <linux/platform_device.h> |
| 26 | #include <linux/rbtree.h> |
| 27 | #include <linux/of_gpio.h> |
| 28 | #include <linux/uaccess.h> |
| 29 | #include <linux/interrupt.h> |
| 30 | #include <linux/msm-bus.h> |
| 31 | #include <linux/msm-bus-board.h> |
| 32 | #include <linux/netdevice.h> |
| 33 | #include <linux/delay.h> |
| 34 | #include <linux/msm_gsi.h> |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 35 | #include <linux/time.h> |
| 36 | #include <linux/hashtable.h> |
Amir Levy | d9f5113 | 2016-11-14 16:55:35 +0200 | [diff] [blame] | 37 | #include <linux/jhash.h> |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 38 | #include <linux/pci.h> |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 39 | #include <soc/qcom/subsystem_restart.h> |
| 40 | #include <soc/qcom/smem.h> |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 41 | #include <soc/qcom/scm.h> |
Amir Levy | 635bced | 2016-12-19 09:20:42 +0200 | [diff] [blame] | 42 | #include <asm/cacheflush.h> |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 43 | |
| 44 | #ifdef CONFIG_ARM64 |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 45 | /* Outer caches unsupported on ARM64 platforms */ |
| 46 | #define outer_flush_range(x, y) |
| 47 | #define __cpuc_flush_dcache_area __flush_dcache_area |
| 48 | |
| 49 | #endif |
| 50 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 51 | #define IPA_SUBSYSTEM_NAME "ipa_fws" |
| 52 | #include "ipa_i.h" |
| 53 | #include "../ipa_rm_i.h" |
| 54 | #include "ipahal/ipahal.h" |
| 55 | #include "ipahal/ipahal_fltrt.h" |
| 56 | |
| 57 | #define CREATE_TRACE_POINTS |
| 58 | #include "ipa_trace.h" |
| 59 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 60 | /* |
| 61 | * The following for adding code (ie. for EMULATION) not found on x86. |
| 62 | */ |
| 63 | #if IPA_EMULATION_COMPILE == 1 |
| 64 | # include "ipa_emulation_stubs.h" |
| 65 | #endif |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 66 | |
| 67 | #ifdef CONFIG_COMPAT |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 68 | /** |
| 69 | * struct ipa3_ioc_nat_alloc_mem32 - nat table memory allocation |
| 70 | * properties |
| 71 | * @dev_name: input parameter, the name of table |
| 72 | * @size: input parameter, size of table in bytes |
| 73 | * @offset: output parameter, offset into page in case of system memory |
| 74 | */ |
| 75 | struct ipa3_ioc_nat_alloc_mem32 { |
| 76 | char dev_name[IPA_RESOURCE_NAME_MAX]; |
| 77 | compat_size_t size; |
| 78 | compat_off_t offset; |
| 79 | }; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 80 | |
| 81 | /** |
| 82 | * struct ipa_ioc_nat_ipv6ct_table_alloc32 - table memory allocation |
| 83 | * properties |
| 84 | * @size: input parameter, size of table in bytes |
| 85 | * @offset: output parameter, offset into page in case of system memory |
| 86 | */ |
| 87 | struct ipa_ioc_nat_ipv6ct_table_alloc32 { |
| 88 | compat_size_t size; |
| 89 | compat_off_t offset; |
| 90 | }; |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 91 | #endif /* #ifdef CONFIG_COMPAT */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 92 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 93 | #define IPA_TZ_UNLOCK_ATTRIBUTE 0x0C0311 |
| 94 | #define TZ_MEM_PROTECT_REGION_ID 0x10 |
| 95 | |
| 96 | struct tz_smmu_ipa_protect_region_iovec_s { |
| 97 | u64 input_addr; |
| 98 | u64 output_addr; |
| 99 | u64 size; |
| 100 | u32 attr; |
| 101 | } __packed; |
| 102 | |
| 103 | struct tz_smmu_ipa_protect_region_s { |
| 104 | phys_addr_t iovec_buf; |
| 105 | u32 size_bytes; |
| 106 | } __packed; |
| 107 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 108 | static void ipa3_start_tag_process(struct work_struct *work); |
| 109 | static DECLARE_WORK(ipa3_tag_work, ipa3_start_tag_process); |
| 110 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 111 | static void ipa3_transport_release_resource(struct work_struct *work); |
| 112 | static DECLARE_DELAYED_WORK(ipa3_transport_release_resource_work, |
| 113 | ipa3_transport_release_resource); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 114 | static void ipa_gsi_notify_cb(struct gsi_per_notify *notify); |
| 115 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 116 | static int ipa3_attach_to_smmu(void); |
| 117 | static int ipa3_alloc_pkt_init(void); |
| 118 | |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 119 | static void ipa3_load_ipa_fw(struct work_struct *work); |
| 120 | static DECLARE_WORK(ipa3_fw_loading_work, ipa3_load_ipa_fw); |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 121 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 122 | static void ipa_dec_clients_disable_clks_on_wq(struct work_struct *work); |
| 123 | static DECLARE_WORK(ipa_dec_clients_disable_clks_on_wq_work, |
| 124 | ipa_dec_clients_disable_clks_on_wq); |
| 125 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 126 | static struct ipa3_plat_drv_res ipa3_res = {0, }; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 127 | |
| 128 | static struct clk *ipa3_clk; |
| 129 | |
| 130 | struct ipa3_context *ipa3_ctx; |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 131 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 132 | static struct { |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 133 | bool present[IPA_SMMU_CB_MAX]; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 134 | bool arm_smmu; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 135 | bool fast_map; |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 136 | bool s1_bypass_arr[IPA_SMMU_CB_MAX]; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 137 | bool use_64_bit_dma_mask; |
| 138 | u32 ipa_base; |
| 139 | u32 ipa_size; |
| 140 | } smmu_info; |
| 141 | |
| 142 | static char *active_clients_table_buf; |
| 143 | |
| 144 | int ipa3_active_clients_log_print_buffer(char *buf, int size) |
| 145 | { |
| 146 | int i; |
| 147 | int nbytes; |
| 148 | int cnt = 0; |
| 149 | int start_idx; |
| 150 | int end_idx; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 151 | unsigned long flags; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 152 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 153 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 154 | start_idx = (ipa3_ctx->ipa3_active_clients_logging.log_tail + 1) % |
| 155 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 156 | end_idx = ipa3_ctx->ipa3_active_clients_logging.log_head; |
| 157 | for (i = start_idx; i != end_idx; |
| 158 | i = (i + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES) { |
| 159 | nbytes = scnprintf(buf + cnt, size - cnt, "%s\n", |
| 160 | ipa3_ctx->ipa3_active_clients_logging |
| 161 | .log_buffer[i]); |
| 162 | cnt += nbytes; |
| 163 | } |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 164 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 165 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 166 | |
| 167 | return cnt; |
| 168 | } |
| 169 | |
| 170 | int ipa3_active_clients_log_print_table(char *buf, int size) |
| 171 | { |
| 172 | int i; |
| 173 | struct ipa3_active_client_htable_entry *iterator; |
| 174 | int cnt = 0; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 175 | unsigned long flags; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 176 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 177 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 178 | cnt = scnprintf(buf, size, "\n---- Active Clients Table ----\n"); |
| 179 | hash_for_each(ipa3_ctx->ipa3_active_clients_logging.htable, i, |
| 180 | iterator, list) { |
| 181 | switch (iterator->type) { |
| 182 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_EP: |
| 183 | cnt += scnprintf(buf + cnt, size - cnt, |
| 184 | "%-40s %-3d ENDPOINT\n", |
| 185 | iterator->id_string, iterator->count); |
| 186 | break; |
| 187 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_SIMPLE: |
| 188 | cnt += scnprintf(buf + cnt, size - cnt, |
| 189 | "%-40s %-3d SIMPLE\n", |
| 190 | iterator->id_string, iterator->count); |
| 191 | break; |
| 192 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_RESOURCE: |
| 193 | cnt += scnprintf(buf + cnt, size - cnt, |
| 194 | "%-40s %-3d RESOURCE\n", |
| 195 | iterator->id_string, iterator->count); |
| 196 | break; |
| 197 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_SPECIAL: |
| 198 | cnt += scnprintf(buf + cnt, size - cnt, |
| 199 | "%-40s %-3d SPECIAL\n", |
| 200 | iterator->id_string, iterator->count); |
| 201 | break; |
| 202 | default: |
| 203 | IPAERR("Trying to print illegal active_clients type"); |
| 204 | break; |
| 205 | } |
| 206 | } |
| 207 | cnt += scnprintf(buf + cnt, size - cnt, |
| 208 | "\nTotal active clients count: %d\n", |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 209 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 210 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 211 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 212 | |
| 213 | return cnt; |
| 214 | } |
| 215 | |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 216 | static int ipa3_clean_modem_rule(void) |
| 217 | { |
| 218 | struct ipa_install_fltr_rule_req_msg_v01 *req; |
| 219 | struct ipa_install_fltr_rule_req_ex_msg_v01 *req_ex; |
| 220 | int val = 0; |
| 221 | |
| 222 | if (ipa3_ctx->ipa_hw_type < IPA_HW_v3_0) { |
| 223 | req = kzalloc( |
| 224 | sizeof(struct ipa_install_fltr_rule_req_msg_v01), |
| 225 | GFP_KERNEL); |
| 226 | if (!req) { |
| 227 | IPAERR("mem allocated failed!\n"); |
| 228 | return -ENOMEM; |
| 229 | } |
| 230 | req->filter_spec_list_valid = false; |
| 231 | req->filter_spec_list_len = 0; |
| 232 | req->source_pipe_index_valid = 0; |
| 233 | val = ipa3_qmi_filter_request_send(req); |
| 234 | kfree(req); |
| 235 | } else { |
| 236 | req_ex = kzalloc( |
| 237 | sizeof(struct ipa_install_fltr_rule_req_ex_msg_v01), |
| 238 | GFP_KERNEL); |
| 239 | if (!req_ex) { |
| 240 | IPAERR("mem allocated failed!\n"); |
| 241 | return -ENOMEM; |
| 242 | } |
| 243 | req_ex->filter_spec_ex_list_valid = false; |
| 244 | req_ex->filter_spec_ex_list_len = 0; |
| 245 | req_ex->source_pipe_index_valid = 0; |
| 246 | val = ipa3_qmi_filter_request_ex_send(req_ex); |
| 247 | kfree(req_ex); |
| 248 | } |
| 249 | |
| 250 | return val; |
| 251 | } |
| 252 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 253 | static int ipa3_active_clients_panic_notifier(struct notifier_block *this, |
| 254 | unsigned long event, void *ptr) |
| 255 | { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 256 | ipa3_active_clients_log_print_table(active_clients_table_buf, |
| 257 | IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE); |
Michael Adisumarta | edba22d | 2018-04-19 12:28:33 -0700 | [diff] [blame] | 258 | IPAERR("%s\n", active_clients_table_buf); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 259 | |
| 260 | return NOTIFY_DONE; |
| 261 | } |
| 262 | |
| 263 | static struct notifier_block ipa3_active_clients_panic_blk = { |
| 264 | .notifier_call = ipa3_active_clients_panic_notifier, |
| 265 | }; |
| 266 | |
| 267 | static int ipa3_active_clients_log_insert(const char *string) |
| 268 | { |
| 269 | int head; |
| 270 | int tail; |
| 271 | |
| 272 | if (!ipa3_ctx->ipa3_active_clients_logging.log_rdy) |
| 273 | return -EPERM; |
| 274 | |
| 275 | head = ipa3_ctx->ipa3_active_clients_logging.log_head; |
| 276 | tail = ipa3_ctx->ipa3_active_clients_logging.log_tail; |
| 277 | |
| 278 | memset(ipa3_ctx->ipa3_active_clients_logging.log_buffer[head], '_', |
| 279 | IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN); |
| 280 | strlcpy(ipa3_ctx->ipa3_active_clients_logging.log_buffer[head], string, |
| 281 | (size_t)IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN); |
| 282 | head = (head + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 283 | if (tail == head) |
| 284 | tail = (tail + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 285 | |
| 286 | ipa3_ctx->ipa3_active_clients_logging.log_tail = tail; |
| 287 | ipa3_ctx->ipa3_active_clients_logging.log_head = head; |
| 288 | |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | static int ipa3_active_clients_log_init(void) |
| 293 | { |
| 294 | int i; |
| 295 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 296 | spin_lock_init(&ipa3_ctx->ipa3_active_clients_logging.lock); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 297 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[0] = kzalloc( |
| 298 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES * |
| 299 | sizeof(char[IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN]), |
| 300 | GFP_KERNEL); |
| 301 | active_clients_table_buf = kzalloc(sizeof( |
| 302 | char[IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE]), GFP_KERNEL); |
| 303 | if (ipa3_ctx->ipa3_active_clients_logging.log_buffer == NULL) { |
| 304 | pr_err("Active Clients Logging memory allocation failed"); |
| 305 | goto bail; |
| 306 | } |
| 307 | for (i = 0; i < IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; i++) { |
| 308 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[i] = |
| 309 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[0] + |
| 310 | (IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN * i); |
| 311 | } |
| 312 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 313 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 314 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
| 315 | hash_init(ipa3_ctx->ipa3_active_clients_logging.htable); |
| 316 | atomic_notifier_chain_register(&panic_notifier_list, |
| 317 | &ipa3_active_clients_panic_blk); |
| 318 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = 1; |
| 319 | |
| 320 | return 0; |
| 321 | |
| 322 | bail: |
| 323 | return -ENOMEM; |
| 324 | } |
| 325 | |
| 326 | void ipa3_active_clients_log_clear(void) |
| 327 | { |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 328 | unsigned long flags; |
| 329 | |
| 330 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 331 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 332 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 333 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 334 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 335 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | static void ipa3_active_clients_log_destroy(void) |
| 339 | { |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 340 | unsigned long flags; |
| 341 | |
| 342 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 343 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = 0; |
Ghanim Fodi | c48ba99 | 2017-12-24 19:28:38 +0200 | [diff] [blame] | 344 | kfree(active_clients_table_buf); |
| 345 | active_clients_table_buf = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 346 | kfree(ipa3_ctx->ipa3_active_clients_logging.log_buffer[0]); |
| 347 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 348 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 349 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 350 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 351 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 352 | } |
| 353 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 354 | static struct ipa_smmu_cb_ctx smmu_cb[IPA_SMMU_CB_MAX]; |
| 355 | |
| 356 | struct iommu_domain *ipa3_get_smmu_domain(void) |
| 357 | { |
| 358 | if (smmu_cb[IPA_SMMU_CB_AP].valid) |
| 359 | return smmu_cb[IPA_SMMU_CB_AP].mapping->domain; |
| 360 | |
| 361 | IPAERR("CB not valid\n"); |
| 362 | |
| 363 | return NULL; |
| 364 | } |
| 365 | |
| 366 | struct iommu_domain *ipa3_get_uc_smmu_domain(void) |
| 367 | { |
| 368 | if (smmu_cb[IPA_SMMU_CB_UC].valid) |
| 369 | return smmu_cb[IPA_SMMU_CB_UC].mapping->domain; |
| 370 | |
| 371 | IPAERR("CB not valid\n"); |
| 372 | |
| 373 | return NULL; |
| 374 | } |
| 375 | |
| 376 | struct iommu_domain *ipa3_get_wlan_smmu_domain(void) |
| 377 | { |
| 378 | if (smmu_cb[IPA_SMMU_CB_WLAN].valid) |
| 379 | return smmu_cb[IPA_SMMU_CB_WLAN].iommu; |
| 380 | |
| 381 | IPAERR("CB not valid\n"); |
| 382 | |
| 383 | return NULL; |
| 384 | } |
| 385 | |
Michael Adisumarta | b1bafa4 | 2018-04-16 16:48:10 -0700 | [diff] [blame] | 386 | struct iommu_domain *ipa3_get_smmu_domain_by_type(enum ipa_smmu_cb_type cb_type) |
| 387 | { |
| 388 | |
| 389 | if (cb_type == IPA_SMMU_CB_WLAN && smmu_cb[IPA_SMMU_CB_WLAN].valid) |
| 390 | return smmu_cb[IPA_SMMU_CB_WLAN].iommu; |
| 391 | |
| 392 | if (smmu_cb[cb_type].valid) |
| 393 | return smmu_cb[cb_type].mapping->domain; |
| 394 | |
| 395 | IPAERR("CB#%d not valid\n", cb_type); |
| 396 | |
| 397 | return NULL; |
| 398 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 399 | |
| 400 | struct device *ipa3_get_dma_dev(void) |
| 401 | { |
| 402 | return ipa3_ctx->pdev; |
| 403 | } |
| 404 | |
| 405 | /** |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 406 | * ipa3_get_smmu_ctx()- Return smmu context for the given cb_type |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 407 | * |
| 408 | * Return value: pointer to smmu context address |
| 409 | */ |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 410 | struct ipa_smmu_cb_ctx *ipa3_get_smmu_ctx(enum ipa_smmu_cb_type cb_type) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 411 | { |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 412 | return &smmu_cb[cb_type]; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 413 | } |
| 414 | |
| 415 | static int ipa3_open(struct inode *inode, struct file *filp) |
| 416 | { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 417 | IPADBG_LOW("ENTER\n"); |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 418 | filp->private_data = ipa3_ctx; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 419 | |
| 420 | return 0; |
| 421 | } |
| 422 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 423 | static void ipa3_wan_msg_free_cb(void *buff, u32 len, u32 type) |
| 424 | { |
| 425 | if (!buff) { |
| 426 | IPAERR("Null buffer\n"); |
| 427 | return; |
| 428 | } |
| 429 | |
| 430 | if (type != WAN_UPSTREAM_ROUTE_ADD && |
| 431 | type != WAN_UPSTREAM_ROUTE_DEL && |
| 432 | type != WAN_EMBMS_CONNECT) { |
| 433 | IPAERR("Wrong type given. buff %p type %d\n", buff, type); |
| 434 | return; |
| 435 | } |
| 436 | |
| 437 | kfree(buff); |
| 438 | } |
| 439 | |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 440 | static int ipa3_send_wan_msg(unsigned long usr_param, uint8_t msg_type, |
| 441 | bool is_cache) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 442 | { |
| 443 | int retval; |
| 444 | struct ipa_wan_msg *wan_msg; |
| 445 | struct ipa_msg_meta msg_meta; |
Mohammed Javid | 616bb99 | 2017-10-03 13:10:05 +0530 | [diff] [blame] | 446 | struct ipa_wan_msg cache_wan_msg; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 447 | |
| 448 | wan_msg = kzalloc(sizeof(struct ipa_wan_msg), GFP_KERNEL); |
| 449 | if (!wan_msg) { |
| 450 | IPAERR("no memory\n"); |
| 451 | return -ENOMEM; |
| 452 | } |
| 453 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 454 | if (copy_from_user(wan_msg, (const void __user *)usr_param, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 455 | sizeof(struct ipa_wan_msg))) { |
| 456 | kfree(wan_msg); |
| 457 | return -EFAULT; |
| 458 | } |
| 459 | |
Mohammed Javid | 616bb99 | 2017-10-03 13:10:05 +0530 | [diff] [blame] | 460 | memcpy(&cache_wan_msg, wan_msg, sizeof(cache_wan_msg)); |
| 461 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 462 | memset(&msg_meta, 0, sizeof(struct ipa_msg_meta)); |
| 463 | msg_meta.msg_type = msg_type; |
| 464 | msg_meta.msg_len = sizeof(struct ipa_wan_msg); |
| 465 | retval = ipa3_send_msg(&msg_meta, wan_msg, ipa3_wan_msg_free_cb); |
| 466 | if (retval) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 467 | IPAERR_RL("ipa3_send_msg failed: %d\n", retval); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 468 | kfree(wan_msg); |
| 469 | return retval; |
| 470 | } |
| 471 | |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 472 | if (is_cache) { |
| 473 | mutex_lock(&ipa3_ctx->ipa_cne_evt_lock); |
| 474 | |
| 475 | /* cache the cne event */ |
| 476 | memcpy(&ipa3_ctx->ipa_cne_evt_req_cache[ |
| 477 | ipa3_ctx->num_ipa_cne_evt_req].wan_msg, |
Mohammed Javid | 616bb99 | 2017-10-03 13:10:05 +0530 | [diff] [blame] | 478 | &cache_wan_msg, |
| 479 | sizeof(cache_wan_msg)); |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 480 | |
| 481 | memcpy(&ipa3_ctx->ipa_cne_evt_req_cache[ |
| 482 | ipa3_ctx->num_ipa_cne_evt_req].msg_meta, |
| 483 | &msg_meta, |
| 484 | sizeof(struct ipa_msg_meta)); |
| 485 | |
| 486 | ipa3_ctx->num_ipa_cne_evt_req++; |
| 487 | ipa3_ctx->num_ipa_cne_evt_req %= IPA_MAX_NUM_REQ_CACHE; |
| 488 | mutex_unlock(&ipa3_ctx->ipa_cne_evt_lock); |
| 489 | } |
| 490 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 491 | return 0; |
| 492 | } |
| 493 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 494 | static void ipa3_vlan_l2tp_msg_free_cb(void *buff, u32 len, u32 type) |
| 495 | { |
| 496 | if (!buff) { |
| 497 | IPAERR("Null buffer\n"); |
| 498 | return; |
| 499 | } |
| 500 | |
Amir Levy | 4f8b483 | 2018-06-05 15:48:03 +0300 | [diff] [blame] | 501 | switch (type) { |
| 502 | case ADD_VLAN_IFACE: |
| 503 | case DEL_VLAN_IFACE: |
| 504 | case ADD_L2TP_VLAN_MAPPING: |
| 505 | case DEL_L2TP_VLAN_MAPPING: |
| 506 | case ADD_BRIDGE_VLAN_MAPPING: |
| 507 | case DEL_BRIDGE_VLAN_MAPPING: |
| 508 | break; |
| 509 | default: |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 510 | IPAERR("Wrong type given. buff %pK type %d\n", buff, type); |
| 511 | return; |
| 512 | } |
| 513 | |
| 514 | kfree(buff); |
| 515 | } |
| 516 | |
| 517 | static int ipa3_send_vlan_l2tp_msg(unsigned long usr_param, uint8_t msg_type) |
| 518 | { |
| 519 | int retval; |
| 520 | struct ipa_ioc_vlan_iface_info *vlan_info; |
| 521 | struct ipa_ioc_l2tp_vlan_mapping_info *mapping_info; |
Amir Levy | 4f8b483 | 2018-06-05 15:48:03 +0300 | [diff] [blame] | 522 | struct ipa_ioc_bridge_vlan_mapping_info *bridge_vlan_info; |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 523 | struct ipa_msg_meta msg_meta; |
Amir Levy | 4f8b483 | 2018-06-05 15:48:03 +0300 | [diff] [blame] | 524 | void *buff; |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 525 | |
Amir Levy | 4f8b483 | 2018-06-05 15:48:03 +0300 | [diff] [blame] | 526 | IPADBG("type %d\n", msg_type); |
| 527 | |
| 528 | memset(&msg_meta, 0, sizeof(msg_meta)); |
| 529 | msg_meta.msg_type = msg_type; |
| 530 | |
| 531 | if ((msg_type == ADD_VLAN_IFACE) || |
| 532 | (msg_type == DEL_VLAN_IFACE)) { |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 533 | vlan_info = kzalloc(sizeof(struct ipa_ioc_vlan_iface_info), |
| 534 | GFP_KERNEL); |
| 535 | if (!vlan_info) { |
| 536 | IPAERR("no memory\n"); |
| 537 | return -ENOMEM; |
| 538 | } |
| 539 | |
| 540 | if (copy_from_user((u8 *)vlan_info, (void __user *)usr_param, |
| 541 | sizeof(struct ipa_ioc_vlan_iface_info))) { |
| 542 | kfree(vlan_info); |
| 543 | return -EFAULT; |
| 544 | } |
| 545 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 546 | msg_meta.msg_len = sizeof(struct ipa_ioc_vlan_iface_info); |
Amir Levy | 4f8b483 | 2018-06-05 15:48:03 +0300 | [diff] [blame] | 547 | buff = vlan_info; |
| 548 | } else if ((msg_type == ADD_L2TP_VLAN_MAPPING) || |
| 549 | (msg_type == DEL_L2TP_VLAN_MAPPING)) { |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 550 | mapping_info = kzalloc(sizeof(struct |
| 551 | ipa_ioc_l2tp_vlan_mapping_info), GFP_KERNEL); |
| 552 | if (!mapping_info) { |
| 553 | IPAERR("no memory\n"); |
| 554 | return -ENOMEM; |
| 555 | } |
| 556 | |
| 557 | if (copy_from_user((u8 *)mapping_info, |
| 558 | (void __user *)usr_param, |
| 559 | sizeof(struct ipa_ioc_l2tp_vlan_mapping_info))) { |
| 560 | kfree(mapping_info); |
| 561 | return -EFAULT; |
| 562 | } |
| 563 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 564 | msg_meta.msg_len = sizeof(struct |
| 565 | ipa_ioc_l2tp_vlan_mapping_info); |
Amir Levy | 4f8b483 | 2018-06-05 15:48:03 +0300 | [diff] [blame] | 566 | buff = mapping_info; |
| 567 | } else if ((msg_type == ADD_BRIDGE_VLAN_MAPPING) || |
| 568 | (msg_type == DEL_BRIDGE_VLAN_MAPPING)) { |
| 569 | bridge_vlan_info = kzalloc( |
| 570 | sizeof(struct ipa_ioc_bridge_vlan_mapping_info), |
| 571 | GFP_KERNEL); |
| 572 | if (!bridge_vlan_info) { |
| 573 | IPAERR("no memory\n"); |
| 574 | return -ENOMEM; |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 575 | } |
Amir Levy | 4f8b483 | 2018-06-05 15:48:03 +0300 | [diff] [blame] | 576 | |
| 577 | if (copy_from_user((u8 *)bridge_vlan_info, |
| 578 | (void __user *)usr_param, |
| 579 | sizeof(struct ipa_ioc_bridge_vlan_mapping_info))) { |
| 580 | kfree(bridge_vlan_info); |
| 581 | IPAERR("copy from user failed\n"); |
| 582 | return -EFAULT; |
| 583 | } |
| 584 | |
| 585 | msg_meta.msg_len = sizeof(struct |
| 586 | ipa_ioc_bridge_vlan_mapping_info); |
| 587 | buff = bridge_vlan_info; |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 588 | } else { |
| 589 | IPAERR("Unexpected event\n"); |
| 590 | return -EFAULT; |
| 591 | } |
| 592 | |
Amir Levy | 4f8b483 | 2018-06-05 15:48:03 +0300 | [diff] [blame] | 593 | retval = ipa3_send_msg(&msg_meta, buff, |
| 594 | ipa3_vlan_l2tp_msg_free_cb); |
| 595 | if (retval) { |
| 596 | IPAERR("ipa3_send_msg failed: %d, msg_type %d\n", |
| 597 | retval, |
| 598 | msg_type); |
| 599 | kfree(buff); |
| 600 | return retval; |
| 601 | } |
| 602 | IPADBG("exit\n"); |
| 603 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 604 | return 0; |
| 605 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 606 | |
Mohammed Javid | a0f23d9 | 2018-09-11 10:50:28 +0530 | [diff] [blame] | 607 | static void ipa3_gsb_msg_free_cb(void *buff, u32 len, u32 type) |
| 608 | { |
| 609 | if (!buff) { |
| 610 | IPAERR("Null buffer\n"); |
| 611 | return; |
| 612 | } |
| 613 | |
| 614 | switch (type) { |
| 615 | case IPA_GSB_CONNECT: |
| 616 | case IPA_GSB_DISCONNECT: |
| 617 | break; |
| 618 | default: |
| 619 | IPAERR("Wrong type given. buff %pK type %d\n", buff, type); |
| 620 | return; |
| 621 | } |
| 622 | |
| 623 | kfree(buff); |
| 624 | } |
| 625 | |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 626 | static void ipa3_get_usb_ep_info( |
| 627 | struct ipa_ioc_get_ep_info *ep_info, |
| 628 | struct ipa_ep_pair_info *pair_info |
| 629 | ) |
| 630 | { |
| 631 | int ep_index = -1, i; |
Akshay Pandit | 709d2b7 | 2020-03-26 14:48:18 +0530 | [diff] [blame] | 632 | int pair_id = 0; |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 633 | |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 634 | for (i = 0; i < ep_info->max_ep_pairs; i++) { |
| 635 | pair_info[i].consumer_pipe_num = -1; |
| 636 | pair_info[i].producer_pipe_num = -1; |
| 637 | pair_info[i].ep_id = -1; |
| 638 | } |
Akshay Pandit | 0e2e68a | 2020-02-05 17:58:06 +0530 | [diff] [blame] | 639 | |
Akshay Pandit | 709d2b7 | 2020-03-26 14:48:18 +0530 | [diff] [blame] | 640 | if ((!ep_info->teth_prot_valid) || (ep_info->teth_prot_valid && |
| 641 | ep_info->teth_prot == IPA_PROT_RMNET_CV2X)) { |
| 642 | ep_index = ipa3_get_ep_mapping(IPA_CLIENT_USB2_PROD); |
Akshay Pandit | 0e2e68a | 2020-02-05 17:58:06 +0530 | [diff] [blame] | 643 | |
Akshay Pandit | 709d2b7 | 2020-03-26 14:48:18 +0530 | [diff] [blame] | 644 | if ((ep_index != -1) && ipa3_ctx->ep[ep_index].valid) { |
| 645 | pair_info[pair_id].consumer_pipe_num = ep_index; |
| 646 | ep_index = ipa3_get_ep_mapping(IPA_CLIENT_USB2_CONS); |
| 647 | |
| 648 | if ((ep_index != -1) && |
| 649 | (ipa3_ctx->ep[ep_index].valid)) { |
| 650 | pair_info[pair_id].producer_pipe_num = ep_index; |
| 651 | pair_info[pair_id].ep_id = IPA_USB1_EP_ID; |
| 652 | |
| 653 | IPADBG("ep_pair_info consumer_pipe_num %d", |
| 654 | pair_info[pair_id].consumer_pipe_num); |
| 655 | IPADBG(" producer_pipe_num %d ep_id %d\n", |
| 656 | pair_info[pair_id].producer_pipe_num, |
| 657 | pair_info[pair_id].ep_id); |
| 658 | pair_id++; |
| 659 | } else { |
| 660 | pair_info[pair_id].consumer_pipe_num = -1; |
| 661 | IPADBG("ep_pair_info consumer_pipe_num %d", |
| 662 | pair_info[pair_id].consumer_pipe_num); |
| 663 | IPADBG(" producer_pipe_num %d ep_id %d\n", |
| 664 | pair_info[pair_id].producer_pipe_num, |
| 665 | pair_info[pair_id].ep_id); |
| 666 | } |
Akshay Pandit | 0e2e68a | 2020-02-05 17:58:06 +0530 | [diff] [blame] | 667 | } |
| 668 | } |
| 669 | |
Akshay Pandit | 709d2b7 | 2020-03-26 14:48:18 +0530 | [diff] [blame] | 670 | if ((!ep_info->teth_prot_valid) || (ep_info->teth_prot_valid && |
| 671 | ep_info->teth_prot == IPA_PROT_RMNET)) { |
| 672 | ep_index = ipa3_get_ep_mapping(IPA_CLIENT_USB_PROD); |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 673 | |
Akshay Pandit | 709d2b7 | 2020-03-26 14:48:18 +0530 | [diff] [blame] | 674 | if ((ep_index != -1) && ipa3_ctx->ep[ep_index].valid) { |
| 675 | pair_info[pair_id].consumer_pipe_num = ep_index; |
| 676 | ep_index = ipa3_get_ep_mapping(IPA_CLIENT_USB_CONS); |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 677 | |
Akshay Pandit | 709d2b7 | 2020-03-26 14:48:18 +0530 | [diff] [blame] | 678 | if ((ep_index != -1) && |
| 679 | (ipa3_ctx->ep[ep_index].valid)) { |
| 680 | pair_info[pair_id].producer_pipe_num = ep_index; |
| 681 | pair_info[pair_id].ep_id = IPA_USB0_EP_ID; |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 682 | |
Akshay Pandit | 709d2b7 | 2020-03-26 14:48:18 +0530 | [diff] [blame] | 683 | IPADBG("ep_pair_info consumer_pipe_num %d", |
| 684 | pair_info[pair_id].consumer_pipe_num); |
| 685 | IPADBG(" producer_pipe_num %d ep_id %d\n", |
| 686 | pair_info[pair_id].producer_pipe_num, |
| 687 | pair_info[pair_id].ep_id); |
| 688 | pair_id++; |
| 689 | } else { |
| 690 | pair_info[pair_id].consumer_pipe_num = -1; |
| 691 | IPADBG("ep_pair_info consumer_pipe_num %d", |
| 692 | pair_info[pair_id].consumer_pipe_num); |
| 693 | IPADBG(" producer_pipe_num %d ep_id %d\n", |
| 694 | pair_info[pair_id].producer_pipe_num, |
| 695 | pair_info[pair_id].ep_id); |
| 696 | } |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 697 | } |
| 698 | } |
Akshay Pandit | 709d2b7 | 2020-03-26 14:48:18 +0530 | [diff] [blame] | 699 | ep_info->num_ep_pairs = pair_id; |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 700 | |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 701 | } |
| 702 | |
| 703 | static void ipa3_get_pcie_ep_info( |
| 704 | struct ipa_ioc_get_ep_info *ep_info, |
| 705 | struct ipa_ep_pair_info *pair_info |
| 706 | ) |
| 707 | { |
| 708 | int ep_index = -1, i; |
| 709 | |
| 710 | ep_info->num_ep_pairs = 0; |
| 711 | for (i = 0; i < ep_info->max_ep_pairs; i++) { |
| 712 | pair_info[i].consumer_pipe_num = -1; |
| 713 | pair_info[i].producer_pipe_num = -1; |
| 714 | pair_info[i].ep_id = -1; |
| 715 | } |
| 716 | |
Akshay Pandit | 0e2e68a | 2020-02-05 17:58:06 +0530 | [diff] [blame] | 717 | ep_index = ipa3_get_ep_mapping(IPA_CLIENT_MHI2_PROD); |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 718 | |
| 719 | if ((ep_index != -1) && ipa3_ctx->ep[ep_index].valid) { |
| 720 | pair_info[ep_info->num_ep_pairs].consumer_pipe_num = ep_index; |
Akshay Pandit | 0e2e68a | 2020-02-05 17:58:06 +0530 | [diff] [blame] | 721 | ep_index = ipa3_get_ep_mapping(IPA_CLIENT_MHI2_CONS); |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 722 | if ((ep_index != -1) && (ipa3_ctx->ep[ep_index].valid)) { |
| 723 | pair_info[ep_info->num_ep_pairs].producer_pipe_num = |
| 724 | ep_index; |
| 725 | pair_info[ep_info->num_ep_pairs].ep_id = |
Akshay Pandit | 0e2e68a | 2020-02-05 17:58:06 +0530 | [diff] [blame] | 726 | IPA_PCIE1_EP_ID; |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 727 | |
| 728 | IPADBG("ep_pair_info consumer_pipe_num %d", |
| 729 | pair_info[ep_info->num_ep_pairs]. |
| 730 | consumer_pipe_num); |
| 731 | IPADBG(" producer_pipe_num %d ep_id %d\n", |
| 732 | pair_info[ep_info->num_ep_pairs]. |
| 733 | producer_pipe_num, |
| 734 | pair_info[ep_info->num_ep_pairs].ep_id); |
| 735 | ep_info->num_ep_pairs++; |
| 736 | } else { |
| 737 | pair_info[ep_info->num_ep_pairs].consumer_pipe_num = -1; |
| 738 | IPADBG("ep_pair_info consumer_pipe_num %d", |
| 739 | pair_info[ep_info->num_ep_pairs]. |
| 740 | consumer_pipe_num); |
| 741 | IPADBG(" producer_pipe_num %d ep_id %d\n", |
| 742 | pair_info[ep_info->num_ep_pairs]. |
| 743 | producer_pipe_num, |
| 744 | pair_info[ep_info->num_ep_pairs].ep_id); |
| 745 | } |
| 746 | } |
| 747 | |
Akshay Pandit | 0e2e68a | 2020-02-05 17:58:06 +0530 | [diff] [blame] | 748 | ep_index = ipa3_get_ep_mapping(IPA_CLIENT_MHI_PROD); |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 749 | |
| 750 | if ((ep_index != -1) && ipa3_ctx->ep[ep_index].valid) { |
| 751 | pair_info[ep_info->num_ep_pairs].consumer_pipe_num = ep_index; |
Akshay Pandit | 0e2e68a | 2020-02-05 17:58:06 +0530 | [diff] [blame] | 752 | ep_index = ipa3_get_ep_mapping(IPA_CLIENT_MHI_CONS); |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 753 | if ((ep_index != -1) && (ipa3_ctx->ep[ep_index].valid)) { |
| 754 | pair_info[ep_info->num_ep_pairs].producer_pipe_num = |
| 755 | ep_index; |
| 756 | pair_info[ep_info->num_ep_pairs].ep_id = |
Akshay Pandit | 0e2e68a | 2020-02-05 17:58:06 +0530 | [diff] [blame] | 757 | IPA_PCIE0_EP_ID; |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 758 | |
| 759 | IPADBG("ep_pair_info consumer_pipe_num %d", |
| 760 | pair_info[ep_info->num_ep_pairs]. |
| 761 | consumer_pipe_num); |
| 762 | IPADBG(" producer_pipe_num %d ep_id %d\n", |
| 763 | pair_info[ep_info->num_ep_pairs]. |
| 764 | producer_pipe_num, |
| 765 | pair_info[ep_info->num_ep_pairs].ep_id); |
| 766 | ep_info->num_ep_pairs++; |
| 767 | } else { |
| 768 | pair_info[ep_info->num_ep_pairs].consumer_pipe_num = -1; |
| 769 | IPADBG("ep_pair_info consumer_pipe_num %d", |
| 770 | pair_info[ep_info->num_ep_pairs]. |
| 771 | consumer_pipe_num); |
| 772 | IPADBG(" producer_pipe_num %d ep_id %d\n", |
| 773 | pair_info[ep_info->num_ep_pairs]. |
| 774 | producer_pipe_num, |
| 775 | pair_info[ep_info->num_ep_pairs].ep_id); |
| 776 | } |
| 777 | } |
| 778 | } |
| 779 | |
| 780 | |
| 781 | static int ipa3_get_ep_info(struct ipa_ioc_get_ep_info *ep_info, |
| 782 | u8 *param) |
| 783 | { |
| 784 | int ret = 0; |
| 785 | struct ipa_ep_pair_info *pair_info = (struct ipa_ep_pair_info *)param; |
| 786 | |
| 787 | switch (ep_info->ep_type) { |
| 788 | case IPA_DATA_EP_TYP_HSUSB: |
| 789 | ipa3_get_usb_ep_info(ep_info, pair_info); |
| 790 | break; |
| 791 | |
| 792 | case IPA_DATA_EP_TYP_PCIE: |
| 793 | ipa3_get_pcie_ep_info(ep_info, pair_info); |
| 794 | break; |
| 795 | |
| 796 | default: |
| 797 | IPAERR_RL("Undefined ep_type %d\n", ep_info->ep_type); |
| 798 | ret = -EFAULT; |
| 799 | break; |
| 800 | } |
| 801 | |
| 802 | return ret; |
| 803 | } |
| 804 | |
Mohammed Javid | a0f23d9 | 2018-09-11 10:50:28 +0530 | [diff] [blame] | 805 | static int ipa3_send_gsb_msg(unsigned long usr_param, uint8_t msg_type) |
| 806 | { |
| 807 | int retval; |
| 808 | struct ipa_ioc_gsb_info *gsb_info; |
| 809 | struct ipa_msg_meta msg_meta; |
| 810 | void *buff; |
| 811 | |
| 812 | IPADBG("type %d\n", msg_type); |
| 813 | |
| 814 | memset(&msg_meta, 0, sizeof(msg_meta)); |
| 815 | msg_meta.msg_type = msg_type; |
| 816 | |
| 817 | if ((msg_type == IPA_GSB_CONNECT) || |
| 818 | (msg_type == IPA_GSB_DISCONNECT)) { |
| 819 | gsb_info = kzalloc(sizeof(struct ipa_ioc_gsb_info), |
| 820 | GFP_KERNEL); |
| 821 | if (!gsb_info) { |
| 822 | IPAERR("no memory\n"); |
| 823 | return -ENOMEM; |
| 824 | } |
| 825 | |
| 826 | if (copy_from_user((u8 *)gsb_info, (void __user *)usr_param, |
| 827 | sizeof(struct ipa_ioc_gsb_info))) { |
| 828 | kfree(gsb_info); |
| 829 | return -EFAULT; |
| 830 | } |
| 831 | |
| 832 | msg_meta.msg_len = sizeof(struct ipa_ioc_gsb_info); |
| 833 | buff = gsb_info; |
| 834 | } else { |
| 835 | IPAERR("Unexpected event\n"); |
| 836 | return -EFAULT; |
| 837 | } |
| 838 | |
| 839 | retval = ipa3_send_msg(&msg_meta, buff, |
| 840 | ipa3_gsb_msg_free_cb); |
| 841 | if (retval) { |
| 842 | IPAERR("ipa3_send_msg failed: %d, msg_type %d\n", |
| 843 | retval, |
| 844 | msg_type); |
| 845 | kfree(buff); |
| 846 | return retval; |
| 847 | } |
| 848 | IPADBG("exit\n"); |
| 849 | |
| 850 | return 0; |
| 851 | } |
| 852 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 853 | static long ipa3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) |
| 854 | { |
| 855 | int retval = 0; |
| 856 | u32 pyld_sz; |
| 857 | u8 header[128] = { 0 }; |
| 858 | u8 *param = NULL; |
Amir Levy | a5361ab | 2018-05-01 13:25:37 +0300 | [diff] [blame] | 859 | bool is_vlan_mode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 860 | struct ipa_ioc_nat_alloc_mem nat_mem; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 861 | struct ipa_ioc_nat_ipv6ct_table_alloc table_alloc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 862 | struct ipa_ioc_v4_nat_init nat_init; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 863 | struct ipa_ioc_ipv6ct_init ipv6ct_init; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 864 | struct ipa_ioc_v4_nat_del nat_del; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 865 | struct ipa_ioc_nat_ipv6ct_table_del table_del; |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 866 | struct ipa_ioc_nat_pdn_entry mdfy_pdn; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 867 | struct ipa_ioc_rm_dependency rm_depend; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 868 | struct ipa_ioc_nat_dma_cmd *table_dma_cmd; |
Amir Levy | a5361ab | 2018-05-01 13:25:37 +0300 | [diff] [blame] | 869 | struct ipa_ioc_get_vlan_mode vlan_mode; |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 870 | struct ipa_ioc_get_ep_info ep_info; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 871 | size_t sz; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 872 | int pre_entry; |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 873 | unsigned long uptr = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 874 | |
| 875 | IPADBG("cmd=%x nr=%d\n", cmd, _IOC_NR(cmd)); |
| 876 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 877 | if (_IOC_TYPE(cmd) != IPA_IOC_MAGIC) |
| 878 | return -ENOTTY; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 879 | |
Amir Levy | 0553262 | 2016-11-28 12:12:01 +0200 | [diff] [blame] | 880 | if (!ipa3_is_ready()) { |
| 881 | IPAERR("IPA not ready, waiting for init completion\n"); |
| 882 | wait_for_completion(&ipa3_ctx->init_completion_obj); |
| 883 | } |
| 884 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 885 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 886 | |
| 887 | switch (cmd) { |
| 888 | case IPA_IOC_ALLOC_NAT_MEM: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 889 | if (copy_from_user(&nat_mem, (const void __user *)arg, |
| 890 | sizeof(struct ipa_ioc_nat_alloc_mem))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 891 | retval = -EFAULT; |
| 892 | break; |
| 893 | } |
| 894 | /* null terminate the string */ |
| 895 | nat_mem.dev_name[IPA_RESOURCE_NAME_MAX - 1] = '\0'; |
| 896 | |
| 897 | if (ipa3_allocate_nat_device(&nat_mem)) { |
| 898 | retval = -EFAULT; |
| 899 | break; |
| 900 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 901 | if (copy_to_user((void __user *)arg, &nat_mem, |
| 902 | sizeof(struct ipa_ioc_nat_alloc_mem))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 903 | retval = -EFAULT; |
| 904 | break; |
| 905 | } |
| 906 | break; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 907 | case IPA_IOC_ALLOC_NAT_TABLE: |
| 908 | if (copy_from_user(&table_alloc, (const void __user *)arg, |
| 909 | sizeof(struct ipa_ioc_nat_ipv6ct_table_alloc))) { |
| 910 | retval = -EFAULT; |
| 911 | break; |
| 912 | } |
| 913 | |
| 914 | if (ipa3_allocate_nat_table(&table_alloc)) { |
| 915 | retval = -EFAULT; |
| 916 | break; |
| 917 | } |
| 918 | if (table_alloc.offset && |
| 919 | copy_to_user((void __user *)arg, &table_alloc, sizeof( |
| 920 | struct ipa_ioc_nat_ipv6ct_table_alloc))) { |
| 921 | retval = -EFAULT; |
| 922 | break; |
| 923 | } |
| 924 | break; |
| 925 | |
| 926 | case IPA_IOC_ALLOC_IPV6CT_TABLE: |
| 927 | if (copy_from_user(&table_alloc, (const void __user *)arg, |
| 928 | sizeof(struct ipa_ioc_nat_ipv6ct_table_alloc))) { |
| 929 | retval = -EFAULT; |
| 930 | break; |
| 931 | } |
| 932 | |
| 933 | if (ipa3_allocate_ipv6ct_table(&table_alloc)) { |
| 934 | retval = -EFAULT; |
| 935 | break; |
| 936 | } |
| 937 | if (table_alloc.offset && |
| 938 | copy_to_user((void __user *)arg, &table_alloc, sizeof( |
| 939 | struct ipa_ioc_nat_ipv6ct_table_alloc))) { |
| 940 | retval = -EFAULT; |
| 941 | break; |
| 942 | } |
| 943 | break; |
| 944 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 945 | case IPA_IOC_V4_INIT_NAT: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 946 | if (copy_from_user(&nat_init, (const void __user *)arg, |
| 947 | sizeof(struct ipa_ioc_v4_nat_init))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 948 | retval = -EFAULT; |
| 949 | break; |
| 950 | } |
| 951 | if (ipa3_nat_init_cmd(&nat_init)) { |
| 952 | retval = -EFAULT; |
| 953 | break; |
| 954 | } |
| 955 | break; |
| 956 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 957 | case IPA_IOC_INIT_IPV6CT_TABLE: |
| 958 | if (copy_from_user(&ipv6ct_init, (const void __user *)arg, |
| 959 | sizeof(struct ipa_ioc_ipv6ct_init))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 960 | retval = -EFAULT; |
| 961 | break; |
| 962 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 963 | if (ipa3_ipv6ct_init_cmd(&ipv6ct_init)) { |
| 964 | retval = -EFAULT; |
| 965 | break; |
| 966 | } |
| 967 | break; |
| 968 | |
| 969 | case IPA_IOC_TABLE_DMA_CMD: |
| 970 | table_dma_cmd = (struct ipa_ioc_nat_dma_cmd *)header; |
| 971 | if (copy_from_user(header, (const void __user *)arg, |
| 972 | sizeof(struct ipa_ioc_nat_dma_cmd))) { |
| 973 | retval = -EFAULT; |
| 974 | break; |
| 975 | } |
| 976 | pre_entry = table_dma_cmd->entries; |
| 977 | pyld_sz = sizeof(struct ipa_ioc_nat_dma_cmd) + |
| 978 | pre_entry * sizeof(struct ipa_ioc_nat_dma_one); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 979 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 980 | if (!param) { |
| 981 | retval = -ENOMEM; |
| 982 | break; |
| 983 | } |
| 984 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 985 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 986 | retval = -EFAULT; |
| 987 | break; |
| 988 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 989 | table_dma_cmd = (struct ipa_ioc_nat_dma_cmd *)param; |
| 990 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 991 | /* add check in case user-space module compromised */ |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 992 | if (unlikely(table_dma_cmd->entries != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 993 | IPAERR_RL("current %d pre %d\n", |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 994 | table_dma_cmd->entries, pre_entry); |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 995 | retval = -EFAULT; |
| 996 | break; |
| 997 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 998 | if (ipa3_table_dma_cmd(table_dma_cmd)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 999 | retval = -EFAULT; |
| 1000 | break; |
| 1001 | } |
| 1002 | break; |
| 1003 | |
| 1004 | case IPA_IOC_V4_DEL_NAT: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1005 | if (copy_from_user(&nat_del, (const void __user *)arg, |
| 1006 | sizeof(struct ipa_ioc_v4_nat_del))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1007 | retval = -EFAULT; |
| 1008 | break; |
| 1009 | } |
| 1010 | if (ipa3_nat_del_cmd(&nat_del)) { |
| 1011 | retval = -EFAULT; |
| 1012 | break; |
| 1013 | } |
| 1014 | break; |
| 1015 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1016 | case IPA_IOC_DEL_NAT_TABLE: |
| 1017 | if (copy_from_user(&table_del, (const void __user *)arg, |
| 1018 | sizeof(struct ipa_ioc_nat_ipv6ct_table_del))) { |
| 1019 | retval = -EFAULT; |
| 1020 | break; |
| 1021 | } |
| 1022 | if (ipa3_del_nat_table(&table_del)) { |
| 1023 | retval = -EFAULT; |
| 1024 | break; |
| 1025 | } |
| 1026 | break; |
| 1027 | |
| 1028 | case IPA_IOC_DEL_IPV6CT_TABLE: |
| 1029 | if (copy_from_user(&table_del, (const void __user *)arg, |
| 1030 | sizeof(struct ipa_ioc_nat_ipv6ct_table_del))) { |
| 1031 | retval = -EFAULT; |
| 1032 | break; |
| 1033 | } |
| 1034 | if (ipa3_del_ipv6ct_table(&table_del)) { |
| 1035 | retval = -EFAULT; |
| 1036 | break; |
| 1037 | } |
| 1038 | break; |
| 1039 | |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 1040 | case IPA_IOC_NAT_MODIFY_PDN: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1041 | if (copy_from_user(&mdfy_pdn, (const void __user *)arg, |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 1042 | sizeof(struct ipa_ioc_nat_pdn_entry))) { |
| 1043 | retval = -EFAULT; |
| 1044 | break; |
| 1045 | } |
Amir Levy | dc65f4c | 2017-07-06 09:49:50 +0300 | [diff] [blame] | 1046 | if (ipa3_nat_mdfy_pdn(&mdfy_pdn)) { |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 1047 | retval = -EFAULT; |
| 1048 | break; |
| 1049 | } |
| 1050 | break; |
| 1051 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1052 | case IPA_IOC_ADD_HDR: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1053 | if (copy_from_user(header, (const void __user *)arg, |
| 1054 | sizeof(struct ipa_ioc_add_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1055 | retval = -EFAULT; |
| 1056 | break; |
| 1057 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1058 | pre_entry = |
| 1059 | ((struct ipa_ioc_add_hdr *)header)->num_hdrs; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1060 | pyld_sz = |
| 1061 | sizeof(struct ipa_ioc_add_hdr) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1062 | pre_entry * sizeof(struct ipa_hdr_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1063 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1064 | if (!param) { |
| 1065 | retval = -ENOMEM; |
| 1066 | break; |
| 1067 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1068 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1069 | retval = -EFAULT; |
| 1070 | break; |
| 1071 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1072 | /* add check in case user-space module compromised */ |
| 1073 | if (unlikely(((struct ipa_ioc_add_hdr *)param)->num_hdrs |
| 1074 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1075 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1076 | ((struct ipa_ioc_add_hdr *)param)->num_hdrs, |
| 1077 | pre_entry); |
| 1078 | retval = -EFAULT; |
| 1079 | break; |
| 1080 | } |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 1081 | if (ipa3_add_hdr_usr((struct ipa_ioc_add_hdr *)param, |
| 1082 | true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1083 | retval = -EFAULT; |
| 1084 | break; |
| 1085 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1086 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1087 | retval = -EFAULT; |
| 1088 | break; |
| 1089 | } |
| 1090 | break; |
| 1091 | |
| 1092 | case IPA_IOC_DEL_HDR: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1093 | if (copy_from_user(header, (const void __user *)arg, |
| 1094 | sizeof(struct ipa_ioc_del_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1095 | retval = -EFAULT; |
| 1096 | break; |
| 1097 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1098 | pre_entry = |
| 1099 | ((struct ipa_ioc_del_hdr *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1100 | pyld_sz = |
| 1101 | sizeof(struct ipa_ioc_del_hdr) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1102 | pre_entry * sizeof(struct ipa_hdr_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1103 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1104 | if (!param) { |
| 1105 | retval = -ENOMEM; |
| 1106 | break; |
| 1107 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1108 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1109 | retval = -EFAULT; |
| 1110 | break; |
| 1111 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1112 | /* add check in case user-space module compromised */ |
| 1113 | if (unlikely(((struct ipa_ioc_del_hdr *)param)->num_hdls |
| 1114 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1115 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1116 | ((struct ipa_ioc_del_hdr *)param)->num_hdls, |
| 1117 | pre_entry); |
| 1118 | retval = -EFAULT; |
| 1119 | break; |
| 1120 | } |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 1121 | if (ipa3_del_hdr_by_user((struct ipa_ioc_del_hdr *)param, |
| 1122 | true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1123 | retval = -EFAULT; |
| 1124 | break; |
| 1125 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1126 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1127 | retval = -EFAULT; |
| 1128 | break; |
| 1129 | } |
| 1130 | break; |
| 1131 | |
| 1132 | case IPA_IOC_ADD_RT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1133 | if (copy_from_user(header, (const void __user *)arg, |
| 1134 | sizeof(struct ipa_ioc_add_rt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1135 | retval = -EFAULT; |
| 1136 | break; |
| 1137 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1138 | pre_entry = |
| 1139 | ((struct ipa_ioc_add_rt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1140 | pyld_sz = |
| 1141 | sizeof(struct ipa_ioc_add_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1142 | pre_entry * sizeof(struct ipa_rt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1143 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1144 | if (!param) { |
| 1145 | retval = -ENOMEM; |
| 1146 | break; |
| 1147 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1148 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1149 | retval = -EFAULT; |
| 1150 | break; |
| 1151 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1152 | /* add check in case user-space module compromised */ |
| 1153 | if (unlikely(((struct ipa_ioc_add_rt_rule *)param)->num_rules |
| 1154 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1155 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1156 | ((struct ipa_ioc_add_rt_rule *)param)-> |
| 1157 | num_rules, |
| 1158 | pre_entry); |
| 1159 | retval = -EFAULT; |
| 1160 | break; |
| 1161 | } |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 1162 | if (ipa3_add_rt_rule_usr((struct ipa_ioc_add_rt_rule *)param, |
| 1163 | true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1164 | retval = -EFAULT; |
| 1165 | break; |
| 1166 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1167 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1168 | retval = -EFAULT; |
| 1169 | break; |
| 1170 | } |
| 1171 | break; |
Mohammed Javid | d0c2a1e | 2017-10-30 15:34:22 +0530 | [diff] [blame] | 1172 | |
| 1173 | case IPA_IOC_ADD_RT_RULE_EXT: |
| 1174 | if (copy_from_user(header, |
| 1175 | (const void __user *)arg, |
| 1176 | sizeof(struct ipa_ioc_add_rt_rule_ext))) { |
| 1177 | retval = -EFAULT; |
| 1178 | break; |
| 1179 | } |
| 1180 | pre_entry = |
| 1181 | ((struct ipa_ioc_add_rt_rule_ext *)header)->num_rules; |
| 1182 | pyld_sz = |
| 1183 | sizeof(struct ipa_ioc_add_rt_rule_ext) + |
| 1184 | pre_entry * sizeof(struct ipa_rt_rule_add_ext); |
| 1185 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1186 | if (!param) { |
| 1187 | retval = -ENOMEM; |
| 1188 | break; |
| 1189 | } |
| 1190 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
| 1191 | retval = -EFAULT; |
| 1192 | break; |
| 1193 | } |
| 1194 | /* add check in case user-space module compromised */ |
| 1195 | if (unlikely( |
| 1196 | ((struct ipa_ioc_add_rt_rule_ext *)param)->num_rules |
| 1197 | != pre_entry)) { |
| 1198 | IPAERR(" prevent memory corruption(%d not match %d)\n", |
| 1199 | ((struct ipa_ioc_add_rt_rule_ext *)param)-> |
| 1200 | num_rules, |
| 1201 | pre_entry); |
| 1202 | retval = -EINVAL; |
| 1203 | break; |
| 1204 | } |
| 1205 | if (ipa3_add_rt_rule_ext( |
| 1206 | (struct ipa_ioc_add_rt_rule_ext *)param)) { |
| 1207 | retval = -EFAULT; |
| 1208 | break; |
| 1209 | } |
| 1210 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
| 1211 | retval = -EFAULT; |
| 1212 | break; |
| 1213 | } |
| 1214 | break; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1215 | case IPA_IOC_ADD_RT_RULE_AFTER: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1216 | if (copy_from_user(header, (const void __user *)arg, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1217 | sizeof(struct ipa_ioc_add_rt_rule_after))) { |
| 1218 | |
| 1219 | retval = -EFAULT; |
| 1220 | break; |
| 1221 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1222 | pre_entry = |
| 1223 | ((struct ipa_ioc_add_rt_rule_after *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1224 | pyld_sz = |
| 1225 | sizeof(struct ipa_ioc_add_rt_rule_after) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1226 | pre_entry * sizeof(struct ipa_rt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1227 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1228 | if (!param) { |
| 1229 | retval = -ENOMEM; |
| 1230 | break; |
| 1231 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1232 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1233 | retval = -EFAULT; |
| 1234 | break; |
| 1235 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1236 | /* add check in case user-space module compromised */ |
| 1237 | if (unlikely(((struct ipa_ioc_add_rt_rule_after *)param)-> |
| 1238 | num_rules != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1239 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1240 | ((struct ipa_ioc_add_rt_rule_after *)param)-> |
| 1241 | num_rules, |
| 1242 | pre_entry); |
| 1243 | retval = -EFAULT; |
| 1244 | break; |
| 1245 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1246 | if (ipa3_add_rt_rule_after( |
| 1247 | (struct ipa_ioc_add_rt_rule_after *)param)) { |
| 1248 | |
| 1249 | retval = -EFAULT; |
| 1250 | break; |
| 1251 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1252 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1253 | retval = -EFAULT; |
| 1254 | break; |
| 1255 | } |
| 1256 | break; |
| 1257 | |
| 1258 | case IPA_IOC_MDFY_RT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1259 | if (copy_from_user(header, (const void __user *)arg, |
| 1260 | sizeof(struct ipa_ioc_mdfy_rt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1261 | retval = -EFAULT; |
| 1262 | break; |
| 1263 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1264 | pre_entry = |
| 1265 | ((struct ipa_ioc_mdfy_rt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1266 | pyld_sz = |
| 1267 | sizeof(struct ipa_ioc_mdfy_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1268 | pre_entry * sizeof(struct ipa_rt_rule_mdfy); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1269 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1270 | if (!param) { |
| 1271 | retval = -ENOMEM; |
| 1272 | break; |
| 1273 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1274 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1275 | retval = -EFAULT; |
| 1276 | break; |
| 1277 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1278 | /* add check in case user-space module compromised */ |
| 1279 | if (unlikely(((struct ipa_ioc_mdfy_rt_rule *)param)->num_rules |
| 1280 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1281 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1282 | ((struct ipa_ioc_mdfy_rt_rule *)param)-> |
| 1283 | num_rules, |
| 1284 | pre_entry); |
| 1285 | retval = -EFAULT; |
| 1286 | break; |
| 1287 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1288 | if (ipa3_mdfy_rt_rule((struct ipa_ioc_mdfy_rt_rule *)param)) { |
| 1289 | retval = -EFAULT; |
| 1290 | break; |
| 1291 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1292 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1293 | retval = -EFAULT; |
| 1294 | break; |
| 1295 | } |
| 1296 | break; |
| 1297 | |
| 1298 | case IPA_IOC_DEL_RT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1299 | if (copy_from_user(header, (const void __user *)arg, |
| 1300 | sizeof(struct ipa_ioc_del_rt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1301 | retval = -EFAULT; |
| 1302 | break; |
| 1303 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1304 | pre_entry = |
| 1305 | ((struct ipa_ioc_del_rt_rule *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1306 | pyld_sz = |
| 1307 | sizeof(struct ipa_ioc_del_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1308 | pre_entry * sizeof(struct ipa_rt_rule_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1309 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1310 | if (!param) { |
| 1311 | retval = -ENOMEM; |
| 1312 | break; |
| 1313 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1314 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1315 | retval = -EFAULT; |
| 1316 | break; |
| 1317 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1318 | /* add check in case user-space module compromised */ |
| 1319 | if (unlikely(((struct ipa_ioc_del_rt_rule *)param)->num_hdls |
| 1320 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1321 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1322 | ((struct ipa_ioc_del_rt_rule *)param)->num_hdls, |
| 1323 | pre_entry); |
| 1324 | retval = -EFAULT; |
| 1325 | break; |
| 1326 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1327 | if (ipa3_del_rt_rule((struct ipa_ioc_del_rt_rule *)param)) { |
| 1328 | retval = -EFAULT; |
| 1329 | break; |
| 1330 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1331 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1332 | retval = -EFAULT; |
| 1333 | break; |
| 1334 | } |
| 1335 | break; |
| 1336 | |
| 1337 | case IPA_IOC_ADD_FLT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1338 | if (copy_from_user(header, (const void __user *)arg, |
| 1339 | sizeof(struct ipa_ioc_add_flt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1340 | retval = -EFAULT; |
| 1341 | break; |
| 1342 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1343 | pre_entry = |
| 1344 | ((struct ipa_ioc_add_flt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1345 | pyld_sz = |
| 1346 | sizeof(struct ipa_ioc_add_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1347 | pre_entry * sizeof(struct ipa_flt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1348 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1349 | if (!param) { |
| 1350 | retval = -ENOMEM; |
| 1351 | break; |
| 1352 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1353 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1354 | retval = -EFAULT; |
| 1355 | break; |
| 1356 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1357 | /* add check in case user-space module compromised */ |
| 1358 | if (unlikely(((struct ipa_ioc_add_flt_rule *)param)->num_rules |
| 1359 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1360 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1361 | ((struct ipa_ioc_add_flt_rule *)param)-> |
| 1362 | num_rules, |
| 1363 | pre_entry); |
| 1364 | retval = -EFAULT; |
| 1365 | break; |
| 1366 | } |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 1367 | if (ipa3_add_flt_rule_usr((struct ipa_ioc_add_flt_rule *)param, |
| 1368 | true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1369 | retval = -EFAULT; |
| 1370 | break; |
| 1371 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1372 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1373 | retval = -EFAULT; |
| 1374 | break; |
| 1375 | } |
| 1376 | break; |
| 1377 | |
| 1378 | case IPA_IOC_ADD_FLT_RULE_AFTER: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1379 | if (copy_from_user(header, (const void __user *)arg, |
| 1380 | sizeof(struct ipa_ioc_add_flt_rule_after))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1381 | |
| 1382 | retval = -EFAULT; |
| 1383 | break; |
| 1384 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1385 | pre_entry = |
| 1386 | ((struct ipa_ioc_add_flt_rule_after *)header)-> |
| 1387 | num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1388 | pyld_sz = |
| 1389 | sizeof(struct ipa_ioc_add_flt_rule_after) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1390 | pre_entry * sizeof(struct ipa_flt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1391 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1392 | if (!param) { |
| 1393 | retval = -ENOMEM; |
| 1394 | break; |
| 1395 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1396 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1397 | retval = -EFAULT; |
| 1398 | break; |
| 1399 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1400 | /* add check in case user-space module compromised */ |
| 1401 | if (unlikely(((struct ipa_ioc_add_flt_rule_after *)param)-> |
| 1402 | num_rules != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1403 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1404 | ((struct ipa_ioc_add_flt_rule_after *)param)-> |
| 1405 | num_rules, |
| 1406 | pre_entry); |
| 1407 | retval = -EFAULT; |
| 1408 | break; |
| 1409 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1410 | if (ipa3_add_flt_rule_after( |
| 1411 | (struct ipa_ioc_add_flt_rule_after *)param)) { |
| 1412 | retval = -EFAULT; |
| 1413 | break; |
| 1414 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1415 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1416 | retval = -EFAULT; |
| 1417 | break; |
| 1418 | } |
| 1419 | break; |
| 1420 | |
| 1421 | case IPA_IOC_DEL_FLT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1422 | if (copy_from_user(header, (const void __user *)arg, |
| 1423 | sizeof(struct ipa_ioc_del_flt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1424 | retval = -EFAULT; |
| 1425 | break; |
| 1426 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1427 | pre_entry = |
| 1428 | ((struct ipa_ioc_del_flt_rule *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1429 | pyld_sz = |
| 1430 | sizeof(struct ipa_ioc_del_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1431 | pre_entry * sizeof(struct ipa_flt_rule_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1432 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1433 | if (!param) { |
| 1434 | retval = -ENOMEM; |
| 1435 | break; |
| 1436 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1437 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1438 | retval = -EFAULT; |
| 1439 | break; |
| 1440 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1441 | /* add check in case user-space module compromised */ |
| 1442 | if (unlikely(((struct ipa_ioc_del_flt_rule *)param)->num_hdls |
| 1443 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1444 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1445 | ((struct ipa_ioc_del_flt_rule *)param)-> |
| 1446 | num_hdls, |
| 1447 | pre_entry); |
| 1448 | retval = -EFAULT; |
| 1449 | break; |
| 1450 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1451 | if (ipa3_del_flt_rule((struct ipa_ioc_del_flt_rule *)param)) { |
| 1452 | retval = -EFAULT; |
| 1453 | break; |
| 1454 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1455 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1456 | retval = -EFAULT; |
| 1457 | break; |
| 1458 | } |
| 1459 | break; |
| 1460 | |
| 1461 | case IPA_IOC_MDFY_FLT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1462 | if (copy_from_user(header, (const void __user *)arg, |
| 1463 | sizeof(struct ipa_ioc_mdfy_flt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1464 | retval = -EFAULT; |
| 1465 | break; |
| 1466 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1467 | pre_entry = |
| 1468 | ((struct ipa_ioc_mdfy_flt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1469 | pyld_sz = |
| 1470 | sizeof(struct ipa_ioc_mdfy_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1471 | pre_entry * sizeof(struct ipa_flt_rule_mdfy); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1472 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1473 | if (!param) { |
| 1474 | retval = -ENOMEM; |
| 1475 | break; |
| 1476 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1477 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1478 | retval = -EFAULT; |
| 1479 | break; |
| 1480 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1481 | /* add check in case user-space module compromised */ |
| 1482 | if (unlikely(((struct ipa_ioc_mdfy_flt_rule *)param)->num_rules |
| 1483 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1484 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1485 | ((struct ipa_ioc_mdfy_flt_rule *)param)-> |
| 1486 | num_rules, |
| 1487 | pre_entry); |
| 1488 | retval = -EFAULT; |
| 1489 | break; |
| 1490 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1491 | if (ipa3_mdfy_flt_rule((struct ipa_ioc_mdfy_flt_rule *)param)) { |
| 1492 | retval = -EFAULT; |
| 1493 | break; |
| 1494 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1495 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1496 | retval = -EFAULT; |
| 1497 | break; |
| 1498 | } |
| 1499 | break; |
| 1500 | |
| 1501 | case IPA_IOC_COMMIT_HDR: |
| 1502 | retval = ipa3_commit_hdr(); |
| 1503 | break; |
| 1504 | case IPA_IOC_RESET_HDR: |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 1505 | retval = ipa3_reset_hdr(false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1506 | break; |
| 1507 | case IPA_IOC_COMMIT_RT: |
| 1508 | retval = ipa3_commit_rt(arg); |
| 1509 | break; |
| 1510 | case IPA_IOC_RESET_RT: |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 1511 | retval = ipa3_reset_rt(arg, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1512 | break; |
| 1513 | case IPA_IOC_COMMIT_FLT: |
| 1514 | retval = ipa3_commit_flt(arg); |
| 1515 | break; |
| 1516 | case IPA_IOC_RESET_FLT: |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 1517 | retval = ipa3_reset_flt(arg, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1518 | break; |
| 1519 | case IPA_IOC_GET_RT_TBL: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1520 | if (copy_from_user(header, (const void __user *)arg, |
| 1521 | sizeof(struct ipa_ioc_get_rt_tbl))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1522 | retval = -EFAULT; |
| 1523 | break; |
| 1524 | } |
| 1525 | if (ipa3_get_rt_tbl((struct ipa_ioc_get_rt_tbl *)header)) { |
| 1526 | retval = -EFAULT; |
| 1527 | break; |
| 1528 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1529 | if (copy_to_user((void __user *)arg, header, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1530 | sizeof(struct ipa_ioc_get_rt_tbl))) { |
| 1531 | retval = -EFAULT; |
| 1532 | break; |
| 1533 | } |
| 1534 | break; |
| 1535 | case IPA_IOC_PUT_RT_TBL: |
| 1536 | retval = ipa3_put_rt_tbl(arg); |
| 1537 | break; |
| 1538 | case IPA_IOC_GET_HDR: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1539 | if (copy_from_user(header, (const void __user *)arg, |
| 1540 | sizeof(struct ipa_ioc_get_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1541 | retval = -EFAULT; |
| 1542 | break; |
| 1543 | } |
| 1544 | if (ipa3_get_hdr((struct ipa_ioc_get_hdr *)header)) { |
| 1545 | retval = -EFAULT; |
| 1546 | break; |
| 1547 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1548 | if (copy_to_user((void __user *)arg, header, |
| 1549 | sizeof(struct ipa_ioc_get_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1550 | retval = -EFAULT; |
| 1551 | break; |
| 1552 | } |
| 1553 | break; |
| 1554 | case IPA_IOC_PUT_HDR: |
| 1555 | retval = ipa3_put_hdr(arg); |
| 1556 | break; |
| 1557 | case IPA_IOC_SET_FLT: |
| 1558 | retval = ipa3_cfg_filter(arg); |
| 1559 | break; |
| 1560 | case IPA_IOC_COPY_HDR: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1561 | if (copy_from_user(header, (const void __user *)arg, |
| 1562 | sizeof(struct ipa_ioc_copy_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1563 | retval = -EFAULT; |
| 1564 | break; |
| 1565 | } |
| 1566 | if (ipa3_copy_hdr((struct ipa_ioc_copy_hdr *)header)) { |
| 1567 | retval = -EFAULT; |
| 1568 | break; |
| 1569 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1570 | if (copy_to_user((void __user *)arg, header, |
| 1571 | sizeof(struct ipa_ioc_copy_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1572 | retval = -EFAULT; |
| 1573 | break; |
| 1574 | } |
| 1575 | break; |
| 1576 | case IPA_IOC_QUERY_INTF: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1577 | if (copy_from_user(header, (const void __user *)arg, |
| 1578 | sizeof(struct ipa_ioc_query_intf))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1579 | retval = -EFAULT; |
| 1580 | break; |
| 1581 | } |
| 1582 | if (ipa3_query_intf((struct ipa_ioc_query_intf *)header)) { |
| 1583 | retval = -1; |
| 1584 | break; |
| 1585 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1586 | if (copy_to_user((void __user *)arg, header, |
| 1587 | sizeof(struct ipa_ioc_query_intf))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1588 | retval = -EFAULT; |
| 1589 | break; |
| 1590 | } |
| 1591 | break; |
| 1592 | case IPA_IOC_QUERY_INTF_TX_PROPS: |
| 1593 | sz = sizeof(struct ipa_ioc_query_intf_tx_props); |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1594 | if (copy_from_user(header, (const void __user *)arg, sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1595 | retval = -EFAULT; |
| 1596 | break; |
| 1597 | } |
| 1598 | |
| 1599 | if (((struct ipa_ioc_query_intf_tx_props *)header)->num_tx_props |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1600 | > IPA_NUM_PROPS_MAX) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1601 | retval = -EFAULT; |
| 1602 | break; |
| 1603 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1604 | pre_entry = |
| 1605 | ((struct ipa_ioc_query_intf_tx_props *) |
| 1606 | header)->num_tx_props; |
| 1607 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1608 | sizeof(struct ipa_ioc_tx_intf_prop); |
| 1609 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1610 | if (!param) { |
| 1611 | retval = -ENOMEM; |
| 1612 | break; |
| 1613 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1614 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1615 | retval = -EFAULT; |
| 1616 | break; |
| 1617 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1618 | /* add check in case user-space module compromised */ |
| 1619 | if (unlikely(((struct ipa_ioc_query_intf_tx_props *) |
| 1620 | param)->num_tx_props |
| 1621 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1622 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1623 | ((struct ipa_ioc_query_intf_tx_props *) |
| 1624 | param)->num_tx_props, pre_entry); |
| 1625 | retval = -EFAULT; |
| 1626 | break; |
| 1627 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1628 | if (ipa3_query_intf_tx_props( |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1629 | (struct ipa_ioc_query_intf_tx_props *)param)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1630 | retval = -1; |
| 1631 | break; |
| 1632 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1633 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1634 | retval = -EFAULT; |
| 1635 | break; |
| 1636 | } |
| 1637 | break; |
| 1638 | case IPA_IOC_QUERY_INTF_RX_PROPS: |
| 1639 | sz = sizeof(struct ipa_ioc_query_intf_rx_props); |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1640 | if (copy_from_user(header, (const void __user *)arg, sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1641 | retval = -EFAULT; |
| 1642 | break; |
| 1643 | } |
| 1644 | |
| 1645 | if (((struct ipa_ioc_query_intf_rx_props *)header)->num_rx_props |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1646 | > IPA_NUM_PROPS_MAX) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1647 | retval = -EFAULT; |
| 1648 | break; |
| 1649 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1650 | pre_entry = |
| 1651 | ((struct ipa_ioc_query_intf_rx_props *) |
| 1652 | header)->num_rx_props; |
| 1653 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1654 | sizeof(struct ipa_ioc_rx_intf_prop); |
| 1655 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1656 | if (!param) { |
| 1657 | retval = -ENOMEM; |
| 1658 | break; |
| 1659 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1660 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1661 | retval = -EFAULT; |
| 1662 | break; |
| 1663 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1664 | /* add check in case user-space module compromised */ |
| 1665 | if (unlikely(((struct ipa_ioc_query_intf_rx_props *) |
| 1666 | param)->num_rx_props != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1667 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1668 | ((struct ipa_ioc_query_intf_rx_props *) |
| 1669 | param)->num_rx_props, pre_entry); |
| 1670 | retval = -EFAULT; |
| 1671 | break; |
| 1672 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1673 | if (ipa3_query_intf_rx_props( |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1674 | (struct ipa_ioc_query_intf_rx_props *)param)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1675 | retval = -1; |
| 1676 | break; |
| 1677 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1678 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1679 | retval = -EFAULT; |
| 1680 | break; |
| 1681 | } |
| 1682 | break; |
| 1683 | case IPA_IOC_QUERY_INTF_EXT_PROPS: |
| 1684 | sz = sizeof(struct ipa_ioc_query_intf_ext_props); |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1685 | if (copy_from_user(header, (const void __user *)arg, sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1686 | retval = -EFAULT; |
| 1687 | break; |
| 1688 | } |
| 1689 | |
| 1690 | if (((struct ipa_ioc_query_intf_ext_props *) |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1691 | header)->num_ext_props > IPA_NUM_PROPS_MAX) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1692 | retval = -EFAULT; |
| 1693 | break; |
| 1694 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1695 | pre_entry = |
| 1696 | ((struct ipa_ioc_query_intf_ext_props *) |
| 1697 | header)->num_ext_props; |
| 1698 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1699 | sizeof(struct ipa_ioc_ext_intf_prop); |
| 1700 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1701 | if (!param) { |
| 1702 | retval = -ENOMEM; |
| 1703 | break; |
| 1704 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1705 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1706 | retval = -EFAULT; |
| 1707 | break; |
| 1708 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1709 | /* add check in case user-space module compromised */ |
| 1710 | if (unlikely(((struct ipa_ioc_query_intf_ext_props *) |
| 1711 | param)->num_ext_props != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1712 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1713 | ((struct ipa_ioc_query_intf_ext_props *) |
| 1714 | param)->num_ext_props, pre_entry); |
| 1715 | retval = -EFAULT; |
| 1716 | break; |
| 1717 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1718 | if (ipa3_query_intf_ext_props( |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1719 | (struct ipa_ioc_query_intf_ext_props *)param)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1720 | retval = -1; |
| 1721 | break; |
| 1722 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1723 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1724 | retval = -EFAULT; |
| 1725 | break; |
| 1726 | } |
| 1727 | break; |
| 1728 | case IPA_IOC_PULL_MSG: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1729 | if (copy_from_user(header, (const void __user *)arg, |
| 1730 | sizeof(struct ipa_msg_meta))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1731 | retval = -EFAULT; |
| 1732 | break; |
| 1733 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1734 | pre_entry = |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1735 | ((struct ipa_msg_meta *)header)->msg_len; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1736 | pyld_sz = sizeof(struct ipa_msg_meta) + |
| 1737 | pre_entry; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1738 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1739 | if (!param) { |
| 1740 | retval = -ENOMEM; |
| 1741 | break; |
| 1742 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1743 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1744 | retval = -EFAULT; |
| 1745 | break; |
| 1746 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1747 | /* add check in case user-space module compromised */ |
| 1748 | if (unlikely(((struct ipa_msg_meta *)param)->msg_len |
| 1749 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1750 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1751 | ((struct ipa_msg_meta *)param)->msg_len, |
| 1752 | pre_entry); |
| 1753 | retval = -EFAULT; |
| 1754 | break; |
| 1755 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1756 | if (ipa3_pull_msg((struct ipa_msg_meta *)param, |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1757 | (char *)param + sizeof(struct ipa_msg_meta), |
| 1758 | ((struct ipa_msg_meta *)param)->msg_len) != |
| 1759 | ((struct ipa_msg_meta *)param)->msg_len) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1760 | retval = -1; |
| 1761 | break; |
| 1762 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1763 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1764 | retval = -EFAULT; |
| 1765 | break; |
| 1766 | } |
| 1767 | break; |
| 1768 | case IPA_IOC_RM_ADD_DEPENDENCY: |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 1769 | /* deprecate if IPA PM is used */ |
| 1770 | if (ipa3_ctx->use_ipa_pm) |
| 1771 | return 0; |
| 1772 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1773 | if (copy_from_user(&rm_depend, (const void __user *)arg, |
| 1774 | sizeof(struct ipa_ioc_rm_dependency))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1775 | retval = -EFAULT; |
| 1776 | break; |
| 1777 | } |
| 1778 | retval = ipa_rm_add_dependency_from_ioctl( |
| 1779 | rm_depend.resource_name, rm_depend.depends_on_name); |
| 1780 | break; |
| 1781 | case IPA_IOC_RM_DEL_DEPENDENCY: |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 1782 | /* deprecate if IPA PM is used */ |
| 1783 | if (ipa3_ctx->use_ipa_pm) |
| 1784 | return 0; |
| 1785 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1786 | if (copy_from_user(&rm_depend, (const void __user *)arg, |
| 1787 | sizeof(struct ipa_ioc_rm_dependency))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1788 | retval = -EFAULT; |
| 1789 | break; |
| 1790 | } |
| 1791 | retval = ipa_rm_delete_dependency_from_ioctl( |
| 1792 | rm_depend.resource_name, rm_depend.depends_on_name); |
| 1793 | break; |
| 1794 | case IPA_IOC_GENERATE_FLT_EQ: |
| 1795 | { |
| 1796 | struct ipa_ioc_generate_flt_eq flt_eq; |
| 1797 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1798 | if (copy_from_user(&flt_eq, (const void __user *)arg, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1799 | sizeof(struct ipa_ioc_generate_flt_eq))) { |
| 1800 | retval = -EFAULT; |
| 1801 | break; |
| 1802 | } |
| 1803 | if (ipahal_flt_generate_equation(flt_eq.ip, |
| 1804 | &flt_eq.attrib, &flt_eq.eq_attrib)) { |
| 1805 | retval = -EFAULT; |
| 1806 | break; |
| 1807 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1808 | if (copy_to_user((void __user *)arg, &flt_eq, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1809 | sizeof(struct ipa_ioc_generate_flt_eq))) { |
| 1810 | retval = -EFAULT; |
| 1811 | break; |
| 1812 | } |
| 1813 | break; |
| 1814 | } |
| 1815 | case IPA_IOC_QUERY_EP_MAPPING: |
| 1816 | { |
| 1817 | retval = ipa3_get_ep_mapping(arg); |
| 1818 | break; |
| 1819 | } |
| 1820 | case IPA_IOC_QUERY_RT_TBL_INDEX: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1821 | if (copy_from_user(header, (const void __user *)arg, |
| 1822 | sizeof(struct ipa_ioc_get_rt_tbl_indx))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1823 | retval = -EFAULT; |
| 1824 | break; |
| 1825 | } |
| 1826 | if (ipa3_query_rt_index( |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1827 | (struct ipa_ioc_get_rt_tbl_indx *)header)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1828 | retval = -EFAULT; |
| 1829 | break; |
| 1830 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1831 | if (copy_to_user((void __user *)arg, header, |
| 1832 | sizeof(struct ipa_ioc_get_rt_tbl_indx))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1833 | retval = -EFAULT; |
| 1834 | break; |
| 1835 | } |
| 1836 | break; |
| 1837 | case IPA_IOC_WRITE_QMAPID: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1838 | if (copy_from_user(header, (const void __user *)arg, |
| 1839 | sizeof(struct ipa_ioc_write_qmapid))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1840 | retval = -EFAULT; |
| 1841 | break; |
| 1842 | } |
| 1843 | if (ipa3_write_qmap_id((struct ipa_ioc_write_qmapid *)header)) { |
| 1844 | retval = -EFAULT; |
| 1845 | break; |
| 1846 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1847 | if (copy_to_user((void __user *)arg, header, |
| 1848 | sizeof(struct ipa_ioc_write_qmapid))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1849 | retval = -EFAULT; |
| 1850 | break; |
| 1851 | } |
| 1852 | break; |
| 1853 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD: |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 1854 | retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_ADD, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1855 | if (retval) { |
| 1856 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1857 | break; |
| 1858 | } |
| 1859 | break; |
| 1860 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL: |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 1861 | retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_DEL, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1862 | if (retval) { |
| 1863 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1864 | break; |
| 1865 | } |
| 1866 | break; |
| 1867 | case IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED: |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 1868 | retval = ipa3_send_wan_msg(arg, WAN_EMBMS_CONNECT, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1869 | if (retval) { |
| 1870 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1871 | break; |
| 1872 | } |
| 1873 | break; |
| 1874 | case IPA_IOC_ADD_HDR_PROC_CTX: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1875 | if (copy_from_user(header, (const void __user *)arg, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1876 | sizeof(struct ipa_ioc_add_hdr_proc_ctx))) { |
| 1877 | retval = -EFAULT; |
| 1878 | break; |
| 1879 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1880 | pre_entry = |
| 1881 | ((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1882 | header)->num_proc_ctxs; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1883 | pyld_sz = |
| 1884 | sizeof(struct ipa_ioc_add_hdr_proc_ctx) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1885 | pre_entry * sizeof(struct ipa_hdr_proc_ctx_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1886 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1887 | if (!param) { |
| 1888 | retval = -ENOMEM; |
| 1889 | break; |
| 1890 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1891 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1892 | retval = -EFAULT; |
| 1893 | break; |
| 1894 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1895 | /* add check in case user-space module compromised */ |
| 1896 | if (unlikely(((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1897 | param)->num_proc_ctxs != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1898 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1899 | ((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1900 | param)->num_proc_ctxs, pre_entry); |
| 1901 | retval = -EFAULT; |
| 1902 | break; |
| 1903 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1904 | if (ipa3_add_hdr_proc_ctx( |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 1905 | (struct ipa_ioc_add_hdr_proc_ctx *)param, true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1906 | retval = -EFAULT; |
| 1907 | break; |
| 1908 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1909 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1910 | retval = -EFAULT; |
| 1911 | break; |
| 1912 | } |
| 1913 | break; |
| 1914 | case IPA_IOC_DEL_HDR_PROC_CTX: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1915 | if (copy_from_user(header, (const void __user *)arg, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1916 | sizeof(struct ipa_ioc_del_hdr_proc_ctx))) { |
| 1917 | retval = -EFAULT; |
| 1918 | break; |
| 1919 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1920 | pre_entry = |
| 1921 | ((struct ipa_ioc_del_hdr_proc_ctx *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1922 | pyld_sz = |
| 1923 | sizeof(struct ipa_ioc_del_hdr_proc_ctx) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1924 | pre_entry * sizeof(struct ipa_hdr_proc_ctx_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1925 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1926 | if (!param) { |
| 1927 | retval = -ENOMEM; |
| 1928 | break; |
| 1929 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1930 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1931 | retval = -EFAULT; |
| 1932 | break; |
| 1933 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1934 | /* add check in case user-space module compromised */ |
| 1935 | if (unlikely(((struct ipa_ioc_del_hdr_proc_ctx *) |
| 1936 | param)->num_hdls != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1937 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1938 | ((struct ipa_ioc_del_hdr_proc_ctx *)param)-> |
| 1939 | num_hdls, |
| 1940 | pre_entry); |
| 1941 | retval = -EFAULT; |
| 1942 | break; |
| 1943 | } |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 1944 | if (ipa3_del_hdr_proc_ctx_by_user( |
| 1945 | (struct ipa_ioc_del_hdr_proc_ctx *)param, true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1946 | retval = -EFAULT; |
| 1947 | break; |
| 1948 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1949 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1950 | retval = -EFAULT; |
| 1951 | break; |
| 1952 | } |
| 1953 | break; |
| 1954 | |
| 1955 | case IPA_IOC_GET_HW_VERSION: |
| 1956 | pyld_sz = sizeof(enum ipa_hw_type); |
| 1957 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1958 | if (!param) { |
| 1959 | retval = -ENOMEM; |
| 1960 | break; |
| 1961 | } |
| 1962 | memcpy(param, &ipa3_ctx->ipa_hw_type, pyld_sz); |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1963 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1964 | retval = -EFAULT; |
| 1965 | break; |
| 1966 | } |
| 1967 | break; |
| 1968 | |
Amir Levy | a5361ab | 2018-05-01 13:25:37 +0300 | [diff] [blame] | 1969 | case IPA_IOC_GET_VLAN_MODE: |
| 1970 | if (copy_from_user(&vlan_mode, (const void __user *)arg, |
| 1971 | sizeof(struct ipa_ioc_get_vlan_mode))) { |
| 1972 | retval = -EFAULT; |
| 1973 | break; |
| 1974 | } |
| 1975 | retval = ipa3_is_vlan_mode( |
| 1976 | vlan_mode.iface, |
| 1977 | &is_vlan_mode); |
| 1978 | if (retval) |
| 1979 | break; |
| 1980 | |
| 1981 | vlan_mode.is_vlan_mode = is_vlan_mode; |
| 1982 | |
| 1983 | if (copy_to_user((void __user *)arg, |
| 1984 | &vlan_mode, |
| 1985 | sizeof(struct ipa_ioc_get_vlan_mode))) { |
| 1986 | retval = -EFAULT; |
| 1987 | break; |
| 1988 | } |
| 1989 | break; |
| 1990 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 1991 | case IPA_IOC_ADD_VLAN_IFACE: |
| 1992 | if (ipa3_send_vlan_l2tp_msg(arg, ADD_VLAN_IFACE)) { |
| 1993 | retval = -EFAULT; |
| 1994 | break; |
| 1995 | } |
| 1996 | break; |
| 1997 | |
| 1998 | case IPA_IOC_DEL_VLAN_IFACE: |
| 1999 | if (ipa3_send_vlan_l2tp_msg(arg, DEL_VLAN_IFACE)) { |
| 2000 | retval = -EFAULT; |
| 2001 | break; |
| 2002 | } |
| 2003 | break; |
Amir Levy | 4f8b483 | 2018-06-05 15:48:03 +0300 | [diff] [blame] | 2004 | case IPA_IOC_ADD_BRIDGE_VLAN_MAPPING: |
| 2005 | if (ipa3_send_vlan_l2tp_msg(arg, ADD_BRIDGE_VLAN_MAPPING)) { |
| 2006 | retval = -EFAULT; |
| 2007 | break; |
| 2008 | } |
| 2009 | break; |
| 2010 | case IPA_IOC_DEL_BRIDGE_VLAN_MAPPING: |
| 2011 | if (ipa3_send_vlan_l2tp_msg(arg, DEL_BRIDGE_VLAN_MAPPING)) { |
| 2012 | retval = -EFAULT; |
| 2013 | break; |
| 2014 | } |
| 2015 | break; |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 2016 | case IPA_IOC_ADD_L2TP_VLAN_MAPPING: |
| 2017 | if (ipa3_send_vlan_l2tp_msg(arg, ADD_L2TP_VLAN_MAPPING)) { |
| 2018 | retval = -EFAULT; |
| 2019 | break; |
| 2020 | } |
| 2021 | break; |
| 2022 | |
| 2023 | case IPA_IOC_DEL_L2TP_VLAN_MAPPING: |
| 2024 | if (ipa3_send_vlan_l2tp_msg(arg, DEL_L2TP_VLAN_MAPPING)) { |
| 2025 | retval = -EFAULT; |
| 2026 | break; |
| 2027 | } |
| 2028 | break; |
| 2029 | |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 2030 | case IPA_IOC_CLEANUP: |
| 2031 | /*Route and filter rules will also be clean*/ |
| 2032 | IPADBG("Got IPA_IOC_CLEANUP\n"); |
| 2033 | retval = ipa3_reset_hdr(true); |
| 2034 | memset(&nat_del, 0, sizeof(nat_del)); |
| 2035 | nat_del.table_index = 0; |
| 2036 | retval = ipa3_nat_del_cmd(&nat_del); |
| 2037 | retval = ipa3_clean_modem_rule(); |
| 2038 | break; |
| 2039 | |
| 2040 | case IPA_IOC_QUERY_WLAN_CLIENT: |
| 2041 | IPADBG("Got IPA_IOC_QUERY_WLAN_CLIENT\n"); |
| 2042 | retval = ipa3_resend_wlan_msg(); |
| 2043 | break; |
| 2044 | |
Mohammed Javid | a0f23d9 | 2018-09-11 10:50:28 +0530 | [diff] [blame] | 2045 | case IPA_IOC_GSB_CONNECT: |
| 2046 | IPADBG("Got IPA_IOC_GSB_CONNECT\n"); |
| 2047 | if (ipa3_send_gsb_msg(arg, IPA_GSB_CONNECT)) { |
| 2048 | retval = -EFAULT; |
| 2049 | break; |
| 2050 | } |
| 2051 | break; |
| 2052 | |
| 2053 | case IPA_IOC_GSB_DISCONNECT: |
| 2054 | IPADBG("Got IPA_IOC_GSB_DISCONNECT\n"); |
| 2055 | if (ipa3_send_gsb_msg(arg, IPA_GSB_DISCONNECT)) { |
| 2056 | retval = -EFAULT; |
| 2057 | break; |
| 2058 | } |
| 2059 | break; |
| 2060 | |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 2061 | case IPA_IOC_GET_PHERIPHERAL_EP_INFO: |
| 2062 | IPADBG("Got IPA_IOC_GET_EP_INFO\n"); |
sivakanth reddy vaka | 2a5a5ee | 2019-12-08 13:50:56 +0530 | [diff] [blame] | 2063 | if (ipa3_ctx->ipa_config_is_auto == false) { |
| 2064 | IPADBG("not an auto config: returning error\n"); |
| 2065 | retval = -ENOTTY; |
| 2066 | break; |
| 2067 | } |
Mohammed Javid | d636e0c | 2019-06-13 16:16:59 +0530 | [diff] [blame] | 2068 | if (copy_from_user(&ep_info, (const void __user *)arg, |
| 2069 | sizeof(struct ipa_ioc_get_ep_info))) { |
| 2070 | IPAERR_RL("copy_from_user fails\n"); |
| 2071 | retval = -EFAULT; |
| 2072 | break; |
| 2073 | } |
| 2074 | |
| 2075 | if (ep_info.max_ep_pairs != QUERY_MAX_EP_PAIRS) |
| 2076 | IPAERR_RL("unexpected max_ep_pairs %d\n", |
| 2077 | ep_info.max_ep_pairs); |
| 2078 | |
| 2079 | if (ep_info.ep_pair_size != |
| 2080 | (QUERY_MAX_EP_PAIRS * sizeof(struct ipa_ep_pair_info))) |
| 2081 | IPAERR_RL("unexpected ep_pair_size %d\n", |
| 2082 | ep_info.max_ep_pairs); |
| 2083 | |
| 2084 | uptr = ep_info.info; |
| 2085 | if (unlikely(!uptr)) { |
| 2086 | IPAERR_RL("unexpected NULL info\n"); |
| 2087 | retval = -EFAULT; |
| 2088 | break; |
| 2089 | } |
| 2090 | |
| 2091 | param = kzalloc(ep_info.ep_pair_size, GFP_KERNEL); |
| 2092 | if (!param) { |
| 2093 | IPAERR_RL("kzalloc fails\n"); |
| 2094 | retval = -ENOMEM; |
| 2095 | break; |
| 2096 | } |
| 2097 | |
| 2098 | retval = ipa3_get_ep_info(&ep_info, param); |
| 2099 | if (retval < 0) { |
| 2100 | IPAERR("ipa3_get_ep_info failed\n"); |
| 2101 | retval = -EFAULT; |
| 2102 | break; |
| 2103 | } |
| 2104 | |
| 2105 | if (copy_to_user((void __user *)uptr, param, |
| 2106 | ep_info.ep_pair_size)) { |
| 2107 | IPAERR_RL("copy_to_user fails\n"); |
| 2108 | retval = -EFAULT; |
| 2109 | break; |
| 2110 | } |
| 2111 | |
| 2112 | if (copy_to_user((void __user *)arg, &ep_info, |
| 2113 | sizeof(struct ipa_ioc_get_ep_info))) { |
| 2114 | IPAERR_RL("copy_to_user fails\n"); |
| 2115 | retval = -EFAULT; |
| 2116 | break; |
| 2117 | } |
| 2118 | break; |
| 2119 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2120 | default: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2121 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2122 | return -ENOTTY; |
| 2123 | } |
| 2124 | kfree(param); |
| 2125 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2126 | |
| 2127 | return retval; |
| 2128 | } |
| 2129 | |
| 2130 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 2131 | * ipa3_setup_dflt_rt_tables() - Setup default routing tables |
| 2132 | * |
| 2133 | * Return codes: |
| 2134 | * 0: success |
| 2135 | * -ENOMEM: failed to allocate memory |
| 2136 | * -EPERM: failed to add the tables |
| 2137 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2138 | int ipa3_setup_dflt_rt_tables(void) |
| 2139 | { |
| 2140 | struct ipa_ioc_add_rt_rule *rt_rule; |
| 2141 | struct ipa_rt_rule_add *rt_rule_entry; |
| 2142 | |
| 2143 | rt_rule = |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2144 | kzalloc(sizeof(struct ipa_ioc_add_rt_rule) + 1 * |
| 2145 | sizeof(struct ipa_rt_rule_add), GFP_KERNEL); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2146 | if (!rt_rule) { |
| 2147 | IPAERR("fail to alloc mem\n"); |
| 2148 | return -ENOMEM; |
| 2149 | } |
| 2150 | /* setup a default v4 route to point to Apps */ |
| 2151 | rt_rule->num_rules = 1; |
| 2152 | rt_rule->commit = 1; |
| 2153 | rt_rule->ip = IPA_IP_v4; |
| 2154 | strlcpy(rt_rule->rt_tbl_name, IPA_DFLT_RT_TBL_NAME, |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2155 | IPA_RESOURCE_NAME_MAX); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2156 | |
| 2157 | rt_rule_entry = &rt_rule->rules[0]; |
| 2158 | rt_rule_entry->at_rear = 1; |
| 2159 | rt_rule_entry->rule.dst = IPA_CLIENT_APPS_LAN_CONS; |
| 2160 | rt_rule_entry->rule.hdr_hdl = ipa3_ctx->excp_hdr_hdl; |
| 2161 | rt_rule_entry->rule.retain_hdr = 1; |
| 2162 | |
| 2163 | if (ipa3_add_rt_rule(rt_rule)) { |
| 2164 | IPAERR("fail to add dflt v4 rule\n"); |
| 2165 | kfree(rt_rule); |
| 2166 | return -EPERM; |
| 2167 | } |
| 2168 | IPADBG("dflt v4 rt rule hdl=%x\n", rt_rule_entry->rt_rule_hdl); |
| 2169 | ipa3_ctx->dflt_v4_rt_rule_hdl = rt_rule_entry->rt_rule_hdl; |
| 2170 | |
| 2171 | /* setup a default v6 route to point to A5 */ |
| 2172 | rt_rule->ip = IPA_IP_v6; |
| 2173 | if (ipa3_add_rt_rule(rt_rule)) { |
| 2174 | IPAERR("fail to add dflt v6 rule\n"); |
| 2175 | kfree(rt_rule); |
| 2176 | return -EPERM; |
| 2177 | } |
| 2178 | IPADBG("dflt v6 rt rule hdl=%x\n", rt_rule_entry->rt_rule_hdl); |
| 2179 | ipa3_ctx->dflt_v6_rt_rule_hdl = rt_rule_entry->rt_rule_hdl; |
| 2180 | |
| 2181 | /* |
| 2182 | * because these tables are the very first to be added, they will both |
| 2183 | * have the same index (0) which is essential for programming the |
| 2184 | * "route" end-point config |
| 2185 | */ |
| 2186 | |
| 2187 | kfree(rt_rule); |
| 2188 | |
| 2189 | return 0; |
| 2190 | } |
| 2191 | |
| 2192 | static int ipa3_setup_exception_path(void) |
| 2193 | { |
| 2194 | struct ipa_ioc_add_hdr *hdr; |
| 2195 | struct ipa_hdr_add *hdr_entry; |
| 2196 | struct ipahal_reg_route route = { 0 }; |
| 2197 | int ret; |
| 2198 | |
| 2199 | /* install the basic exception header */ |
| 2200 | hdr = kzalloc(sizeof(struct ipa_ioc_add_hdr) + 1 * |
| 2201 | sizeof(struct ipa_hdr_add), GFP_KERNEL); |
| 2202 | if (!hdr) { |
| 2203 | IPAERR("fail to alloc exception hdr\n"); |
| 2204 | return -ENOMEM; |
| 2205 | } |
| 2206 | hdr->num_hdrs = 1; |
| 2207 | hdr->commit = 1; |
| 2208 | hdr_entry = &hdr->hdr[0]; |
| 2209 | |
| 2210 | strlcpy(hdr_entry->name, IPA_LAN_RX_HDR_NAME, IPA_RESOURCE_NAME_MAX); |
| 2211 | hdr_entry->hdr_len = IPA_LAN_RX_HEADER_LENGTH; |
| 2212 | |
| 2213 | if (ipa3_add_hdr(hdr)) { |
| 2214 | IPAERR("fail to add exception hdr\n"); |
| 2215 | ret = -EPERM; |
| 2216 | goto bail; |
| 2217 | } |
| 2218 | |
| 2219 | if (hdr_entry->status) { |
| 2220 | IPAERR("fail to add exception hdr\n"); |
| 2221 | ret = -EPERM; |
| 2222 | goto bail; |
| 2223 | } |
| 2224 | |
| 2225 | ipa3_ctx->excp_hdr_hdl = hdr_entry->hdr_hdl; |
| 2226 | |
| 2227 | /* set the route register to pass exception packets to Apps */ |
| 2228 | route.route_def_pipe = ipa3_get_ep_mapping(IPA_CLIENT_APPS_LAN_CONS); |
| 2229 | route.route_frag_def_pipe = ipa3_get_ep_mapping( |
| 2230 | IPA_CLIENT_APPS_LAN_CONS); |
| 2231 | route.route_def_hdr_table = !ipa3_ctx->hdr_tbl_lcl; |
| 2232 | route.route_def_retain_hdr = 1; |
| 2233 | |
| 2234 | if (ipa3_cfg_route(&route)) { |
| 2235 | IPAERR("fail to add exception hdr\n"); |
| 2236 | ret = -EPERM; |
| 2237 | goto bail; |
| 2238 | } |
| 2239 | |
| 2240 | ret = 0; |
| 2241 | bail: |
| 2242 | kfree(hdr); |
| 2243 | return ret; |
| 2244 | } |
| 2245 | |
| 2246 | static int ipa3_init_smem_region(int memory_region_size, |
| 2247 | int memory_region_offset) |
| 2248 | { |
| 2249 | struct ipahal_imm_cmd_dma_shared_mem cmd; |
| 2250 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2251 | struct ipa3_desc desc; |
| 2252 | struct ipa_mem_buffer mem; |
| 2253 | int rc; |
| 2254 | |
| 2255 | if (memory_region_size == 0) |
| 2256 | return 0; |
| 2257 | |
| 2258 | memset(&desc, 0, sizeof(desc)); |
| 2259 | memset(&cmd, 0, sizeof(cmd)); |
| 2260 | memset(&mem, 0, sizeof(mem)); |
| 2261 | |
| 2262 | mem.size = memory_region_size; |
| 2263 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, |
| 2264 | &mem.phys_base, GFP_KERNEL); |
| 2265 | if (!mem.base) { |
| 2266 | IPAERR("failed to alloc DMA buff of size %d\n", mem.size); |
| 2267 | return -ENOMEM; |
| 2268 | } |
| 2269 | |
| 2270 | memset(mem.base, 0, mem.size); |
| 2271 | cmd.is_read = false; |
| 2272 | cmd.skip_pipeline_clear = false; |
| 2273 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2274 | cmd.size = mem.size; |
| 2275 | cmd.system_addr = mem.phys_base; |
| 2276 | cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2277 | memory_region_offset; |
| 2278 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2279 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 2280 | if (!cmd_pyld) { |
| 2281 | IPAERR("failed to construct dma_shared_mem imm cmd\n"); |
| 2282 | return -ENOMEM; |
| 2283 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2284 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2285 | |
| 2286 | rc = ipa3_send_cmd(1, &desc); |
| 2287 | if (rc) { |
| 2288 | IPAERR("failed to send immediate command (error %d)\n", rc); |
| 2289 | rc = -EFAULT; |
| 2290 | } |
| 2291 | |
| 2292 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2293 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, |
| 2294 | mem.phys_base); |
| 2295 | |
| 2296 | return rc; |
| 2297 | } |
| 2298 | |
| 2299 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 2300 | * ipa3_init_q6_smem() - Initialize Q6 general memory and |
| 2301 | * header memory regions in IPA. |
| 2302 | * |
| 2303 | * Return codes: |
| 2304 | * 0: success |
| 2305 | * -ENOMEM: failed to allocate dma memory |
| 2306 | * -EFAULT: failed to send IPA command to initialize the memory |
| 2307 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2308 | int ipa3_init_q6_smem(void) |
| 2309 | { |
| 2310 | int rc; |
| 2311 | |
| 2312 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2313 | |
| 2314 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_size), |
| 2315 | IPA_MEM_PART(modem_ofst)); |
| 2316 | if (rc) { |
| 2317 | IPAERR("failed to initialize Modem RAM memory\n"); |
| 2318 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2319 | return rc; |
| 2320 | } |
| 2321 | |
| 2322 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_hdr_size), |
| 2323 | IPA_MEM_PART(modem_hdr_ofst)); |
| 2324 | if (rc) { |
| 2325 | IPAERR("failed to initialize Modem HDRs RAM memory\n"); |
| 2326 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2327 | return rc; |
| 2328 | } |
| 2329 | |
| 2330 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_hdr_proc_ctx_size), |
| 2331 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst)); |
| 2332 | if (rc) { |
| 2333 | IPAERR("failed to initialize Modem proc ctx RAM memory\n"); |
| 2334 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2335 | return rc; |
| 2336 | } |
| 2337 | |
| 2338 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_comp_decomp_size), |
| 2339 | IPA_MEM_PART(modem_comp_decomp_ofst)); |
| 2340 | if (rc) { |
| 2341 | IPAERR("failed to initialize Modem Comp/Decomp RAM memory\n"); |
| 2342 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2343 | return rc; |
| 2344 | } |
| 2345 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2346 | |
| 2347 | return rc; |
| 2348 | } |
| 2349 | |
| 2350 | static void ipa3_destroy_imm(void *user1, int user2) |
| 2351 | { |
| 2352 | ipahal_destroy_imm_cmd(user1); |
| 2353 | } |
| 2354 | |
| 2355 | static void ipa3_q6_pipe_delay(bool delay) |
| 2356 | { |
| 2357 | int client_idx; |
| 2358 | int ep_idx; |
| 2359 | struct ipa_ep_cfg_ctrl ep_ctrl; |
| 2360 | |
| 2361 | memset(&ep_ctrl, 0, sizeof(struct ipa_ep_cfg_ctrl)); |
| 2362 | ep_ctrl.ipa_ep_delay = delay; |
| 2363 | |
| 2364 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 2365 | if (IPA_CLIENT_IS_Q6_PROD(client_idx)) { |
| 2366 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2367 | if (ep_idx == -1) |
| 2368 | continue; |
| 2369 | |
| 2370 | ipahal_write_reg_n_fields(IPA_ENDP_INIT_CTRL_n, |
| 2371 | ep_idx, &ep_ctrl); |
| 2372 | } |
| 2373 | } |
| 2374 | } |
| 2375 | |
| 2376 | static void ipa3_q6_avoid_holb(void) |
| 2377 | { |
| 2378 | int ep_idx; |
| 2379 | int client_idx; |
| 2380 | struct ipa_ep_cfg_ctrl ep_suspend; |
| 2381 | struct ipa_ep_cfg_holb ep_holb; |
| 2382 | |
| 2383 | memset(&ep_suspend, 0, sizeof(ep_suspend)); |
| 2384 | memset(&ep_holb, 0, sizeof(ep_holb)); |
| 2385 | |
| 2386 | ep_suspend.ipa_ep_suspend = true; |
| 2387 | ep_holb.tmr_val = 0; |
| 2388 | ep_holb.en = 1; |
| 2389 | |
| 2390 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 2391 | if (IPA_CLIENT_IS_Q6_CONS(client_idx)) { |
| 2392 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2393 | if (ep_idx == -1) |
| 2394 | continue; |
| 2395 | |
Skylar Chang | de679dc | 2017-11-21 10:11:34 -0800 | [diff] [blame] | 2396 | /* from IPA 4.0 pipe suspend is not supported */ |
| 2397 | if (ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) |
| 2398 | ipahal_write_reg_n_fields( |
| 2399 | IPA_ENDP_INIT_CTRL_n, |
| 2400 | ep_idx, &ep_suspend); |
| 2401 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2402 | /* |
| 2403 | * ipa3_cfg_ep_holb is not used here because we are |
| 2404 | * setting HOLB on Q6 pipes, and from APPS perspective |
| 2405 | * they are not valid, therefore, the above function |
| 2406 | * will fail. |
| 2407 | */ |
| 2408 | ipahal_write_reg_n_fields( |
| 2409 | IPA_ENDP_INIT_HOL_BLOCK_TIMER_n, |
| 2410 | ep_idx, &ep_holb); |
| 2411 | ipahal_write_reg_n_fields( |
| 2412 | IPA_ENDP_INIT_HOL_BLOCK_EN_n, |
| 2413 | ep_idx, &ep_holb); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2414 | } |
| 2415 | } |
| 2416 | } |
| 2417 | |
Michael Adisumarta | 0090e54 | 2018-03-14 10:44:53 -0700 | [diff] [blame] | 2418 | static void ipa3_halt_q6_gsi_channels(bool prod) |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2419 | { |
| 2420 | int ep_idx; |
| 2421 | int client_idx; |
| 2422 | const struct ipa_gsi_ep_config *gsi_ep_cfg; |
Michael Adisumarta | f01e9fd | 2017-08-31 12:23:51 -0700 | [diff] [blame] | 2423 | int i; |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2424 | int ret; |
| 2425 | int code = 0; |
| 2426 | |
Michael Adisumarta | 0090e54 | 2018-03-14 10:44:53 -0700 | [diff] [blame] | 2427 | /* if prod flag is true, then we halt the producer channels also */ |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2428 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
Michael Adisumarta | 0090e54 | 2018-03-14 10:44:53 -0700 | [diff] [blame] | 2429 | if (IPA_CLIENT_IS_Q6_CONS(client_idx) |
| 2430 | || (IPA_CLIENT_IS_Q6_PROD(client_idx) && prod)) { |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2431 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2432 | if (ep_idx == -1) |
| 2433 | continue; |
| 2434 | |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2435 | gsi_ep_cfg = ipa3_get_gsi_ep_info(client_idx); |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2436 | if (!gsi_ep_cfg) { |
| 2437 | IPAERR("failed to get GSI config\n"); |
| 2438 | ipa_assert(); |
| 2439 | return; |
| 2440 | } |
| 2441 | |
| 2442 | ret = gsi_halt_channel_ee( |
| 2443 | gsi_ep_cfg->ipa_gsi_chan_num, gsi_ep_cfg->ee, |
| 2444 | &code); |
Michael Adisumarta | f01e9fd | 2017-08-31 12:23:51 -0700 | [diff] [blame] | 2445 | for (i = 0; i < IPA_GSI_CHANNEL_STOP_MAX_RETRY && |
| 2446 | ret == -GSI_STATUS_AGAIN; i++) { |
| 2447 | IPADBG( |
| 2448 | "ch %d ee %d with code %d\n is busy try again", |
| 2449 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2450 | gsi_ep_cfg->ee, |
| 2451 | code); |
| 2452 | usleep_range(IPA_GSI_CHANNEL_HALT_MIN_SLEEP, |
| 2453 | IPA_GSI_CHANNEL_HALT_MAX_SLEEP); |
| 2454 | ret = gsi_halt_channel_ee( |
| 2455 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2456 | gsi_ep_cfg->ee, &code); |
| 2457 | } |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2458 | if (ret == GSI_STATUS_SUCCESS) |
| 2459 | IPADBG("halted gsi ch %d ee %d with code %d\n", |
| 2460 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2461 | gsi_ep_cfg->ee, |
| 2462 | code); |
| 2463 | else |
| 2464 | IPAERR("failed to halt ch %d ee %d code %d\n", |
| 2465 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2466 | gsi_ep_cfg->ee, |
| 2467 | code); |
| 2468 | } |
| 2469 | } |
| 2470 | } |
| 2471 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2472 | static int ipa3_q6_clean_q6_flt_tbls(enum ipa_ip_type ip, |
| 2473 | enum ipa_rule_type rlt) |
| 2474 | { |
| 2475 | struct ipa3_desc *desc; |
| 2476 | struct ipahal_imm_cmd_dma_shared_mem cmd = {0}; |
| 2477 | struct ipahal_imm_cmd_pyld **cmd_pyld; |
| 2478 | int retval = 0; |
| 2479 | int pipe_idx; |
| 2480 | int flt_idx = 0; |
| 2481 | int num_cmds = 0; |
| 2482 | int index; |
| 2483 | u32 lcl_addr_mem_part; |
| 2484 | u32 lcl_hdr_sz; |
| 2485 | struct ipa_mem_buffer mem; |
| 2486 | |
| 2487 | IPADBG("Entry\n"); |
| 2488 | |
| 2489 | if ((ip >= IPA_IP_MAX) || (rlt >= IPA_RULE_TYPE_MAX)) { |
| 2490 | IPAERR("Input Err: ip=%d ; rlt=%d\n", ip, rlt); |
| 2491 | return -EINVAL; |
| 2492 | } |
| 2493 | |
| 2494 | /* Up to filtering pipes we have filtering tables */ |
| 2495 | desc = kcalloc(ipa3_ctx->ep_flt_num, sizeof(struct ipa3_desc), |
| 2496 | GFP_KERNEL); |
| 2497 | if (!desc) { |
| 2498 | IPAERR("failed to allocate memory\n"); |
| 2499 | return -ENOMEM; |
| 2500 | } |
| 2501 | |
| 2502 | cmd_pyld = kcalloc(ipa3_ctx->ep_flt_num, |
| 2503 | sizeof(struct ipahal_imm_cmd_pyld *), GFP_KERNEL); |
| 2504 | if (!cmd_pyld) { |
| 2505 | IPAERR("failed to allocate memory\n"); |
| 2506 | retval = -ENOMEM; |
| 2507 | goto free_desc; |
| 2508 | } |
| 2509 | |
| 2510 | if (ip == IPA_IP_v4) { |
| 2511 | if (rlt == IPA_RULE_HASHABLE) { |
| 2512 | lcl_addr_mem_part = IPA_MEM_PART(v4_flt_hash_ofst); |
| 2513 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_hash_size); |
| 2514 | } else { |
| 2515 | lcl_addr_mem_part = IPA_MEM_PART(v4_flt_nhash_ofst); |
| 2516 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_nhash_size); |
| 2517 | } |
| 2518 | } else { |
| 2519 | if (rlt == IPA_RULE_HASHABLE) { |
| 2520 | lcl_addr_mem_part = IPA_MEM_PART(v6_flt_hash_ofst); |
| 2521 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_hash_size); |
| 2522 | } else { |
| 2523 | lcl_addr_mem_part = IPA_MEM_PART(v6_flt_nhash_ofst); |
| 2524 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_nhash_size); |
| 2525 | } |
| 2526 | } |
| 2527 | |
| 2528 | retval = ipahal_flt_generate_empty_img(1, lcl_hdr_sz, lcl_hdr_sz, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 2529 | 0, &mem, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2530 | if (retval) { |
| 2531 | IPAERR("failed to generate flt single tbl empty img\n"); |
| 2532 | goto free_cmd_pyld; |
| 2533 | } |
| 2534 | |
| 2535 | for (pipe_idx = 0; pipe_idx < ipa3_ctx->ipa_num_pipes; pipe_idx++) { |
| 2536 | if (!ipa_is_ep_support_flt(pipe_idx)) |
| 2537 | continue; |
| 2538 | |
| 2539 | /* |
| 2540 | * Iterating over all the filtering pipes which are either |
| 2541 | * invalid but connected or connected but not configured by AP. |
| 2542 | */ |
| 2543 | if (!ipa3_ctx->ep[pipe_idx].valid || |
| 2544 | ipa3_ctx->ep[pipe_idx].skip_ep_cfg) { |
| 2545 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2546 | if (num_cmds >= ipa3_ctx->ep_flt_num) { |
| 2547 | IPAERR("number of commands is out of range\n"); |
| 2548 | retval = -ENOBUFS; |
| 2549 | goto free_empty_img; |
| 2550 | } |
| 2551 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2552 | cmd.is_read = false; |
| 2553 | cmd.skip_pipeline_clear = false; |
| 2554 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2555 | cmd.size = mem.size; |
| 2556 | cmd.system_addr = mem.phys_base; |
| 2557 | cmd.local_addr = |
| 2558 | ipa3_ctx->smem_restricted_bytes + |
| 2559 | lcl_addr_mem_part + |
| 2560 | ipahal_get_hw_tbl_hdr_width() + |
| 2561 | flt_idx * ipahal_get_hw_tbl_hdr_width(); |
| 2562 | cmd_pyld[num_cmds] = ipahal_construct_imm_cmd( |
| 2563 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 2564 | if (!cmd_pyld[num_cmds]) { |
| 2565 | IPAERR("fail construct dma_shared_mem cmd\n"); |
| 2566 | retval = -ENOMEM; |
| 2567 | goto free_empty_img; |
| 2568 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2569 | ipa3_init_imm_cmd_desc(&desc[num_cmds], |
| 2570 | cmd_pyld[num_cmds]); |
| 2571 | ++num_cmds; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2572 | } |
| 2573 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2574 | ++flt_idx; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2575 | } |
| 2576 | |
| 2577 | IPADBG("Sending %d descriptors for flt tbl clearing\n", num_cmds); |
| 2578 | retval = ipa3_send_cmd(num_cmds, desc); |
| 2579 | if (retval) { |
| 2580 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2581 | retval = -EFAULT; |
| 2582 | } |
| 2583 | |
| 2584 | free_empty_img: |
| 2585 | ipahal_free_dma_mem(&mem); |
| 2586 | free_cmd_pyld: |
| 2587 | for (index = 0; index < num_cmds; index++) |
| 2588 | ipahal_destroy_imm_cmd(cmd_pyld[index]); |
| 2589 | kfree(cmd_pyld); |
| 2590 | free_desc: |
| 2591 | kfree(desc); |
| 2592 | return retval; |
| 2593 | } |
| 2594 | |
| 2595 | static int ipa3_q6_clean_q6_rt_tbls(enum ipa_ip_type ip, |
| 2596 | enum ipa_rule_type rlt) |
| 2597 | { |
| 2598 | struct ipa3_desc *desc; |
| 2599 | struct ipahal_imm_cmd_dma_shared_mem cmd = {0}; |
| 2600 | struct ipahal_imm_cmd_pyld *cmd_pyld = NULL; |
| 2601 | int retval = 0; |
| 2602 | u32 modem_rt_index_lo; |
| 2603 | u32 modem_rt_index_hi; |
| 2604 | u32 lcl_addr_mem_part; |
| 2605 | u32 lcl_hdr_sz; |
| 2606 | struct ipa_mem_buffer mem; |
| 2607 | |
| 2608 | IPADBG("Entry\n"); |
| 2609 | |
| 2610 | if ((ip >= IPA_IP_MAX) || (rlt >= IPA_RULE_TYPE_MAX)) { |
| 2611 | IPAERR("Input Err: ip=%d ; rlt=%d\n", ip, rlt); |
| 2612 | return -EINVAL; |
| 2613 | } |
| 2614 | |
| 2615 | if (ip == IPA_IP_v4) { |
| 2616 | modem_rt_index_lo = IPA_MEM_PART(v4_modem_rt_index_lo); |
| 2617 | modem_rt_index_hi = IPA_MEM_PART(v4_modem_rt_index_hi); |
| 2618 | if (rlt == IPA_RULE_HASHABLE) { |
| 2619 | lcl_addr_mem_part = IPA_MEM_PART(v4_rt_hash_ofst); |
| 2620 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_hash_size); |
| 2621 | } else { |
| 2622 | lcl_addr_mem_part = IPA_MEM_PART(v4_rt_nhash_ofst); |
| 2623 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_nhash_size); |
| 2624 | } |
| 2625 | } else { |
| 2626 | modem_rt_index_lo = IPA_MEM_PART(v6_modem_rt_index_lo); |
| 2627 | modem_rt_index_hi = IPA_MEM_PART(v6_modem_rt_index_hi); |
| 2628 | if (rlt == IPA_RULE_HASHABLE) { |
| 2629 | lcl_addr_mem_part = IPA_MEM_PART(v6_rt_hash_ofst); |
| 2630 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_hash_size); |
| 2631 | } else { |
| 2632 | lcl_addr_mem_part = IPA_MEM_PART(v6_rt_nhash_ofst); |
| 2633 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_nhash_size); |
| 2634 | } |
| 2635 | } |
| 2636 | |
| 2637 | retval = ipahal_rt_generate_empty_img( |
| 2638 | modem_rt_index_hi - modem_rt_index_lo + 1, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 2639 | lcl_hdr_sz, lcl_hdr_sz, &mem, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2640 | if (retval) { |
| 2641 | IPAERR("fail generate empty rt img\n"); |
| 2642 | return -ENOMEM; |
| 2643 | } |
| 2644 | |
| 2645 | desc = kzalloc(sizeof(struct ipa3_desc), GFP_KERNEL); |
| 2646 | if (!desc) { |
| 2647 | IPAERR("failed to allocate memory\n"); |
| 2648 | goto free_empty_img; |
| 2649 | } |
| 2650 | |
| 2651 | cmd.is_read = false; |
| 2652 | cmd.skip_pipeline_clear = false; |
| 2653 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2654 | cmd.size = mem.size; |
| 2655 | cmd.system_addr = mem.phys_base; |
| 2656 | cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2657 | lcl_addr_mem_part + |
| 2658 | modem_rt_index_lo * ipahal_get_hw_tbl_hdr_width(); |
| 2659 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2660 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 2661 | if (!cmd_pyld) { |
| 2662 | IPAERR("failed to construct dma_shared_mem imm cmd\n"); |
| 2663 | retval = -ENOMEM; |
| 2664 | goto free_desc; |
| 2665 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2666 | ipa3_init_imm_cmd_desc(desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2667 | |
| 2668 | IPADBG("Sending 1 descriptor for rt tbl clearing\n"); |
| 2669 | retval = ipa3_send_cmd(1, desc); |
| 2670 | if (retval) { |
| 2671 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2672 | retval = -EFAULT; |
| 2673 | } |
| 2674 | |
| 2675 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2676 | free_desc: |
| 2677 | kfree(desc); |
| 2678 | free_empty_img: |
| 2679 | ipahal_free_dma_mem(&mem); |
| 2680 | return retval; |
| 2681 | } |
| 2682 | |
| 2683 | static int ipa3_q6_clean_q6_tables(void) |
| 2684 | { |
| 2685 | struct ipa3_desc *desc; |
| 2686 | struct ipahal_imm_cmd_pyld *cmd_pyld = NULL; |
| 2687 | struct ipahal_imm_cmd_register_write reg_write_cmd = {0}; |
| 2688 | int retval; |
| 2689 | struct ipahal_reg_fltrt_hash_flush flush; |
| 2690 | struct ipahal_reg_valmask valmask; |
| 2691 | |
| 2692 | IPADBG("Entry\n"); |
| 2693 | |
| 2694 | |
| 2695 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v4, IPA_RULE_HASHABLE)) { |
| 2696 | IPAERR("failed to clean q6 flt tbls (v4/hashable)\n"); |
| 2697 | return -EFAULT; |
| 2698 | } |
| 2699 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v6, IPA_RULE_HASHABLE)) { |
| 2700 | IPAERR("failed to clean q6 flt tbls (v6/hashable)\n"); |
| 2701 | return -EFAULT; |
| 2702 | } |
| 2703 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v4, IPA_RULE_NON_HASHABLE)) { |
| 2704 | IPAERR("failed to clean q6 flt tbls (v4/non-hashable)\n"); |
| 2705 | return -EFAULT; |
| 2706 | } |
| 2707 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v6, IPA_RULE_NON_HASHABLE)) { |
| 2708 | IPAERR("failed to clean q6 flt tbls (v6/non-hashable)\n"); |
| 2709 | return -EFAULT; |
| 2710 | } |
| 2711 | |
| 2712 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v4, IPA_RULE_HASHABLE)) { |
| 2713 | IPAERR("failed to clean q6 rt tbls (v4/hashable)\n"); |
| 2714 | return -EFAULT; |
| 2715 | } |
| 2716 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v6, IPA_RULE_HASHABLE)) { |
| 2717 | IPAERR("failed to clean q6 rt tbls (v6/hashable)\n"); |
| 2718 | return -EFAULT; |
| 2719 | } |
| 2720 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v4, IPA_RULE_NON_HASHABLE)) { |
| 2721 | IPAERR("failed to clean q6 rt tbls (v4/non-hashable)\n"); |
| 2722 | return -EFAULT; |
| 2723 | } |
| 2724 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v6, IPA_RULE_NON_HASHABLE)) { |
| 2725 | IPAERR("failed to clean q6 rt tbls (v6/non-hashable)\n"); |
| 2726 | return -EFAULT; |
| 2727 | } |
| 2728 | |
| 2729 | /* Flush rules cache */ |
| 2730 | desc = kzalloc(sizeof(struct ipa3_desc), GFP_KERNEL); |
| 2731 | if (!desc) { |
| 2732 | IPAERR("failed to allocate memory\n"); |
| 2733 | return -ENOMEM; |
| 2734 | } |
| 2735 | |
| 2736 | flush.v4_flt = true; |
| 2737 | flush.v4_rt = true; |
| 2738 | flush.v6_flt = true; |
| 2739 | flush.v6_rt = true; |
| 2740 | ipahal_get_fltrt_hash_flush_valmask(&flush, &valmask); |
| 2741 | reg_write_cmd.skip_pipeline_clear = false; |
| 2742 | reg_write_cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2743 | reg_write_cmd.offset = ipahal_get_reg_ofst(IPA_FILT_ROUT_HASH_FLUSH); |
| 2744 | reg_write_cmd.value = valmask.val; |
| 2745 | reg_write_cmd.value_mask = valmask.mask; |
| 2746 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_REGISTER_WRITE, |
| 2747 | ®_write_cmd, false); |
| 2748 | if (!cmd_pyld) { |
| 2749 | IPAERR("fail construct register_write imm cmd\n"); |
| 2750 | retval = -EFAULT; |
| 2751 | goto bail_desc; |
| 2752 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2753 | ipa3_init_imm_cmd_desc(desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2754 | |
| 2755 | IPADBG("Sending 1 descriptor for tbls flush\n"); |
| 2756 | retval = ipa3_send_cmd(1, desc); |
| 2757 | if (retval) { |
| 2758 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2759 | retval = -EFAULT; |
| 2760 | } |
| 2761 | |
| 2762 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2763 | |
| 2764 | bail_desc: |
| 2765 | kfree(desc); |
| 2766 | IPADBG("Done - retval = %d\n", retval); |
| 2767 | return retval; |
| 2768 | } |
| 2769 | |
| 2770 | static int ipa3_q6_set_ex_path_to_apps(void) |
| 2771 | { |
| 2772 | int ep_idx; |
| 2773 | int client_idx; |
| 2774 | struct ipa3_desc *desc; |
| 2775 | int num_descs = 0; |
| 2776 | int index; |
| 2777 | struct ipahal_imm_cmd_register_write reg_write; |
| 2778 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2779 | int retval; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2780 | |
| 2781 | desc = kcalloc(ipa3_ctx->ipa_num_pipes, sizeof(struct ipa3_desc), |
| 2782 | GFP_KERNEL); |
| 2783 | if (!desc) { |
| 2784 | IPAERR("failed to allocate memory\n"); |
| 2785 | return -ENOMEM; |
| 2786 | } |
| 2787 | |
| 2788 | /* Set the exception path to AP */ |
| 2789 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 2790 | ep_idx = ipa3_get_ep_mapping(client_idx); |
Michael Adisumarta | 74b05d9 | 2019-11-29 01:10:52 -0800 | [diff] [blame] | 2791 | if (ep_idx == -1 || (ep_idx >= IPA3_MAX_NUM_PIPES)) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2792 | continue; |
| 2793 | |
Skylar Chang | 5313711 | 2017-05-12 17:13:13 -0700 | [diff] [blame] | 2794 | /* disable statuses for all modem controlled prod pipes */ |
| 2795 | if (IPA_CLIENT_IS_Q6_PROD(client_idx) || |
| 2796 | (ipa3_ctx->ep[ep_idx].valid && |
Skylar Chang | d8d8b43 | 2018-06-15 10:39:10 -0700 | [diff] [blame] | 2797 | ipa3_ctx->ep[ep_idx].skip_ep_cfg) || |
| 2798 | (ipa3_ctx->ep[ep_idx].client == IPA_CLIENT_APPS_WAN_PROD |
| 2799 | && ipa3_ctx->modem_cfg_emb_pipe_flt)) { |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2800 | ipa_assert_on(num_descs >= ipa3_ctx->ipa_num_pipes); |
| 2801 | |
Skylar Chang | d8d8b43 | 2018-06-15 10:39:10 -0700 | [diff] [blame] | 2802 | ipa3_ctx->ep[ep_idx].status.status_en = false; |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2803 | reg_write.skip_pipeline_clear = false; |
| 2804 | reg_write.pipeline_clear_options = |
| 2805 | IPAHAL_HPS_CLEAR; |
| 2806 | reg_write.offset = |
| 2807 | ipahal_get_reg_n_ofst(IPA_ENDP_STATUS_n, |
| 2808 | ep_idx); |
| 2809 | reg_write.value = 0; |
| 2810 | reg_write.value_mask = ~0; |
| 2811 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2812 | IPA_IMM_CMD_REGISTER_WRITE, ®_write, false); |
| 2813 | if (!cmd_pyld) { |
| 2814 | IPAERR("fail construct register_write cmd\n"); |
| 2815 | ipa_assert(); |
| 2816 | return -EFAULT; |
| 2817 | } |
| 2818 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2819 | ipa3_init_imm_cmd_desc(&desc[num_descs], cmd_pyld); |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2820 | desc[num_descs].callback = ipa3_destroy_imm; |
| 2821 | desc[num_descs].user1 = cmd_pyld; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2822 | ++num_descs; |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2823 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2824 | } |
| 2825 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 2826 | /* Will wait 500msecs for IPA tag process completion */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2827 | retval = ipa3_tag_process(desc, num_descs, |
| 2828 | msecs_to_jiffies(CLEANUP_TAG_PROCESS_TIMEOUT)); |
| 2829 | if (retval) { |
| 2830 | IPAERR("TAG process failed! (error %d)\n", retval); |
| 2831 | /* For timeout error ipa3_destroy_imm cb will destroy user1 */ |
| 2832 | if (retval != -ETIME) { |
| 2833 | for (index = 0; index < num_descs; index++) |
| 2834 | if (desc[index].callback) |
| 2835 | desc[index].callback(desc[index].user1, |
| 2836 | desc[index].user2); |
| 2837 | retval = -EINVAL; |
| 2838 | } |
| 2839 | } |
| 2840 | |
| 2841 | kfree(desc); |
| 2842 | |
| 2843 | return retval; |
| 2844 | } |
| 2845 | |
| 2846 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 2847 | * ipa3_q6_pre_shutdown_cleanup() - A cleanup for all Q6 related configuration |
| 2848 | * in IPA HW. This is performed in case of SSR. |
| 2849 | * |
| 2850 | * This is a mandatory procedure, in case one of the steps fails, the |
| 2851 | * AP needs to restart. |
| 2852 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2853 | void ipa3_q6_pre_shutdown_cleanup(void) |
| 2854 | { |
| 2855 | IPADBG_LOW("ENTER\n"); |
| 2856 | |
| 2857 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2858 | |
| 2859 | ipa3_q6_pipe_delay(true); |
| 2860 | ipa3_q6_avoid_holb(); |
Mohammed Javid | f109cf6 | 2019-07-02 13:16:54 +0530 | [diff] [blame] | 2861 | if (ipa3_ctx->ipa_config_is_mhi) { |
Mohammed Javid | d53feb8 | 2018-07-19 20:16:39 +0530 | [diff] [blame] | 2862 | ipa3_set_reset_client_cons_pipe_sus_holb(true, |
| 2863 | IPA_CLIENT_MHI_CONS); |
Mohammed Javid | f109cf6 | 2019-07-02 13:16:54 +0530 | [diff] [blame] | 2864 | if (ipa3_ctx->ipa_config_is_auto) |
| 2865 | ipa3_set_reset_client_cons_pipe_sus_holb(true, |
| 2866 | IPA_CLIENT_MHI2_CONS); |
| 2867 | } |
| 2868 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2869 | if (ipa3_q6_clean_q6_tables()) { |
| 2870 | IPAERR("Failed to clean Q6 tables\n"); |
| 2871 | BUG(); |
| 2872 | } |
| 2873 | if (ipa3_q6_set_ex_path_to_apps()) { |
| 2874 | IPAERR("Failed to redirect exceptions to APPS\n"); |
| 2875 | BUG(); |
| 2876 | } |
| 2877 | /* Remove delay from Q6 PRODs to avoid pending descriptors |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 2878 | * on pipe reset procedure |
| 2879 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2880 | ipa3_q6_pipe_delay(false); |
Mohammed Javid | d53feb8 | 2018-07-19 20:16:39 +0530 | [diff] [blame] | 2881 | ipa3_set_reset_client_prod_pipe_delay(true, |
| 2882 | IPA_CLIENT_USB_PROD); |
Mohammed Javid | a617b26 | 2018-03-19 16:55:00 +0530 | [diff] [blame] | 2883 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2884 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2885 | IPADBG_LOW("Exit with success\n"); |
| 2886 | } |
| 2887 | |
| 2888 | /* |
| 2889 | * ipa3_q6_post_shutdown_cleanup() - As part of this cleanup |
| 2890 | * check if GSI channel related to Q6 producer client is empty. |
| 2891 | * |
| 2892 | * Q6 GSI channel emptiness is needed to garantee no descriptors with invalid |
| 2893 | * info are injected into IPA RX from IPA_IF, while modem is restarting. |
| 2894 | */ |
| 2895 | void ipa3_q6_post_shutdown_cleanup(void) |
| 2896 | { |
| 2897 | int client_idx; |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2898 | int ep_idx; |
Michael Adisumarta | 0090e54 | 2018-03-14 10:44:53 -0700 | [diff] [blame] | 2899 | bool prod = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2900 | |
| 2901 | IPADBG_LOW("ENTER\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2902 | |
| 2903 | if (!ipa3_ctx->uc_ctx.uc_loaded) { |
| 2904 | IPAERR("uC is not loaded. Skipping\n"); |
| 2905 | return; |
| 2906 | } |
| 2907 | |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2908 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2909 | |
| 2910 | /* Handle the issue where SUSPEND was removed for some reason */ |
| 2911 | ipa3_q6_avoid_holb(); |
Michael Adisumarta | 0090e54 | 2018-03-14 10:44:53 -0700 | [diff] [blame] | 2912 | |
| 2913 | /* halt both prod and cons channels starting at IPAv4 */ |
| 2914 | if (ipa3_ctx->ipa_hw_type >= IPA_HW_v4_0) { |
| 2915 | prod = true; |
| 2916 | ipa3_halt_q6_gsi_channels(prod); |
| 2917 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2918 | IPADBG("Exit without consumer check\n"); |
| 2919 | return; |
| 2920 | } |
| 2921 | |
| 2922 | ipa3_halt_q6_gsi_channels(prod); |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2923 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2924 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) |
| 2925 | if (IPA_CLIENT_IS_Q6_PROD(client_idx)) { |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2926 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2927 | if (ep_idx == -1) |
| 2928 | continue; |
| 2929 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2930 | if (ipa3_uc_is_gsi_channel_empty(client_idx)) { |
| 2931 | IPAERR("fail to validate Q6 ch emptiness %d\n", |
| 2932 | client_idx); |
| 2933 | BUG(); |
| 2934 | return; |
| 2935 | } |
| 2936 | } |
| 2937 | |
| 2938 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2939 | IPADBG_LOW("Exit with success\n"); |
| 2940 | } |
| 2941 | |
Ashok Vuyyuru | 27ede17 | 2019-01-28 15:35:55 +0530 | [diff] [blame] | 2942 | /** |
| 2943 | * ipa3_q6_pre_powerup_cleanup() - A cleanup routine for pheripheral |
| 2944 | * configuration in IPA HW. This is performed in case of SSR. |
| 2945 | * |
| 2946 | * This is a mandatory procedure, in case one of the steps fails, the |
| 2947 | * AP needs to restart. |
| 2948 | */ |
| 2949 | void ipa3_q6_pre_powerup_cleanup(void) |
| 2950 | { |
| 2951 | IPADBG_LOW("ENTER\n"); |
| 2952 | |
| 2953 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2954 | |
| 2955 | if (ipa3_ctx->ipa_config_is_auto) |
| 2956 | ipa3_set_reset_client_prod_pipe_delay(true, |
| 2957 | IPA_CLIENT_USB2_PROD); |
| 2958 | if (ipa3_ctx->ipa_config_is_mhi) { |
| 2959 | ipa3_set_reset_client_prod_pipe_delay(true, |
| 2960 | IPA_CLIENT_MHI_PROD); |
| 2961 | if (ipa3_ctx->ipa_config_is_auto) |
| 2962 | ipa3_set_reset_client_prod_pipe_delay(true, |
| 2963 | IPA_CLIENT_MHI2_PROD); |
| 2964 | } |
| 2965 | |
| 2966 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2967 | IPADBG_LOW("Exit with success\n"); |
| 2968 | } |
| 2969 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2970 | static inline void ipa3_sram_set_canary(u32 *sram_mmio, int offset) |
| 2971 | { |
| 2972 | /* Set 4 bytes of CANARY before the offset */ |
| 2973 | sram_mmio[(offset - 4) / 4] = IPA_MEM_CANARY_VAL; |
| 2974 | } |
| 2975 | |
| 2976 | /** |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2977 | * _ipa_init_sram_v3() - Initialize IPA local SRAM. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2978 | * |
| 2979 | * Return codes: 0 for success, negative value for failure |
| 2980 | */ |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2981 | int _ipa_init_sram_v3(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2982 | { |
| 2983 | u32 *ipa_sram_mmio; |
| 2984 | unsigned long phys_addr; |
| 2985 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 2986 | IPADBG( |
| 2987 | "ipa_wrapper_base(0x%08X) ipa_reg_base_ofst(0x%08X) IPA_SRAM_DIRECT_ACCESS_n(0x%08X) smem_restricted_bytes(0x%08X) smem_sz(0x%08X)\n", |
| 2988 | ipa3_ctx->ipa_wrapper_base, |
| 2989 | ipa3_ctx->ctrl->ipa_reg_base_ofst, |
| 2990 | ipahal_get_reg_n_ofst( |
| 2991 | IPA_SRAM_DIRECT_ACCESS_n, |
| 2992 | ipa3_ctx->smem_restricted_bytes / 4), |
| 2993 | ipa3_ctx->smem_restricted_bytes, |
| 2994 | ipa3_ctx->smem_sz); |
| 2995 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2996 | phys_addr = ipa3_ctx->ipa_wrapper_base + |
| 2997 | ipa3_ctx->ctrl->ipa_reg_base_ofst + |
| 2998 | ipahal_get_reg_n_ofst(IPA_SRAM_DIRECT_ACCESS_n, |
| 2999 | ipa3_ctx->smem_restricted_bytes / 4); |
| 3000 | |
| 3001 | ipa_sram_mmio = ioremap(phys_addr, ipa3_ctx->smem_sz); |
| 3002 | if (!ipa_sram_mmio) { |
| 3003 | IPAERR("fail to ioremap IPA SRAM\n"); |
| 3004 | return -ENOMEM; |
| 3005 | } |
| 3006 | |
| 3007 | /* Consult with ipa_i.h on the location of the CANARY values */ |
| 3008 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_hash_ofst) - 4); |
| 3009 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_hash_ofst)); |
| 3010 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 3011 | IPA_MEM_PART(v4_flt_nhash_ofst) - 4); |
| 3012 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_nhash_ofst)); |
| 3013 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_hash_ofst) - 4); |
| 3014 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_hash_ofst)); |
| 3015 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 3016 | IPA_MEM_PART(v6_flt_nhash_ofst) - 4); |
| 3017 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_nhash_ofst)); |
| 3018 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_hash_ofst) - 4); |
| 3019 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_hash_ofst)); |
| 3020 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_nhash_ofst) - 4); |
| 3021 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_nhash_ofst)); |
| 3022 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_hash_ofst) - 4); |
| 3023 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_hash_ofst)); |
| 3024 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_nhash_ofst) - 4); |
| 3025 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_nhash_ofst)); |
| 3026 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_hdr_ofst) - 4); |
| 3027 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_hdr_ofst)); |
| 3028 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 3029 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst) - 4); |
| 3030 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 3031 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst)); |
| 3032 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_ofst) - 4); |
| 3033 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_ofst)); |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 3034 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 3035 | (ipa_get_hw_type() >= IPA_HW_v3_5) ? |
| 3036 | IPA_MEM_PART(uc_event_ring_ofst) : |
| 3037 | IPA_MEM_PART(end_ofst)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3038 | |
| 3039 | iounmap(ipa_sram_mmio); |
| 3040 | |
| 3041 | return 0; |
| 3042 | } |
| 3043 | |
| 3044 | /** |
| 3045 | * _ipa_init_hdr_v3_0() - Initialize IPA header block. |
| 3046 | * |
| 3047 | * Return codes: 0 for success, negative value for failure |
| 3048 | */ |
| 3049 | int _ipa_init_hdr_v3_0(void) |
| 3050 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3051 | struct ipa3_desc desc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3052 | struct ipa_mem_buffer mem; |
| 3053 | struct ipahal_imm_cmd_hdr_init_local cmd = {0}; |
| 3054 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 3055 | struct ipahal_imm_cmd_dma_shared_mem dma_cmd = { 0 }; |
| 3056 | |
| 3057 | mem.size = IPA_MEM_PART(modem_hdr_size) + IPA_MEM_PART(apps_hdr_size); |
| 3058 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, &mem.phys_base, |
| 3059 | GFP_KERNEL); |
| 3060 | if (!mem.base) { |
| 3061 | IPAERR("fail to alloc DMA buff of size %d\n", mem.size); |
| 3062 | return -ENOMEM; |
| 3063 | } |
| 3064 | memset(mem.base, 0, mem.size); |
| 3065 | |
| 3066 | cmd.hdr_table_addr = mem.phys_base; |
| 3067 | cmd.size_hdr_table = mem.size; |
| 3068 | cmd.hdr_addr = ipa3_ctx->smem_restricted_bytes + |
| 3069 | IPA_MEM_PART(modem_hdr_ofst); |
| 3070 | cmd_pyld = ipahal_construct_imm_cmd( |
| 3071 | IPA_IMM_CMD_HDR_INIT_LOCAL, &cmd, false); |
| 3072 | if (!cmd_pyld) { |
| 3073 | IPAERR("fail to construct hdr_init_local imm cmd\n"); |
| 3074 | dma_free_coherent(ipa3_ctx->pdev, |
| 3075 | mem.size, mem.base, |
| 3076 | mem.phys_base); |
| 3077 | return -EFAULT; |
| 3078 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3079 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3080 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 3081 | |
| 3082 | if (ipa3_send_cmd(1, &desc)) { |
| 3083 | IPAERR("fail to send immediate command\n"); |
| 3084 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 3085 | dma_free_coherent(ipa3_ctx->pdev, |
| 3086 | mem.size, mem.base, |
| 3087 | mem.phys_base); |
| 3088 | return -EFAULT; |
| 3089 | } |
| 3090 | |
| 3091 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 3092 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, mem.phys_base); |
| 3093 | |
| 3094 | mem.size = IPA_MEM_PART(modem_hdr_proc_ctx_size) + |
| 3095 | IPA_MEM_PART(apps_hdr_proc_ctx_size); |
| 3096 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, &mem.phys_base, |
| 3097 | GFP_KERNEL); |
| 3098 | if (!mem.base) { |
| 3099 | IPAERR("fail to alloc DMA buff of size %d\n", mem.size); |
| 3100 | return -ENOMEM; |
| 3101 | } |
| 3102 | memset(mem.base, 0, mem.size); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3103 | |
| 3104 | dma_cmd.is_read = false; |
| 3105 | dma_cmd.skip_pipeline_clear = false; |
| 3106 | dma_cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 3107 | dma_cmd.system_addr = mem.phys_base; |
| 3108 | dma_cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3109 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst); |
| 3110 | dma_cmd.size = mem.size; |
| 3111 | cmd_pyld = ipahal_construct_imm_cmd( |
| 3112 | IPA_IMM_CMD_DMA_SHARED_MEM, &dma_cmd, false); |
| 3113 | if (!cmd_pyld) { |
| 3114 | IPAERR("fail to construct dma_shared_mem imm\n"); |
| 3115 | dma_free_coherent(ipa3_ctx->pdev, |
| 3116 | mem.size, mem.base, |
| 3117 | mem.phys_base); |
| 3118 | return -EFAULT; |
| 3119 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3120 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3121 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 3122 | |
| 3123 | if (ipa3_send_cmd(1, &desc)) { |
| 3124 | IPAERR("fail to send immediate command\n"); |
| 3125 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 3126 | dma_free_coherent(ipa3_ctx->pdev, |
| 3127 | mem.size, |
| 3128 | mem.base, |
| 3129 | mem.phys_base); |
| 3130 | return -EFAULT; |
| 3131 | } |
| 3132 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 3133 | |
| 3134 | ipahal_write_reg(IPA_LOCAL_PKT_PROC_CNTXT_BASE, dma_cmd.local_addr); |
| 3135 | |
| 3136 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, mem.phys_base); |
| 3137 | |
| 3138 | return 0; |
| 3139 | } |
| 3140 | |
| 3141 | /** |
| 3142 | * _ipa_init_rt4_v3() - Initialize IPA routing block for IPv4. |
| 3143 | * |
| 3144 | * Return codes: 0 for success, negative value for failure |
| 3145 | */ |
| 3146 | int _ipa_init_rt4_v3(void) |
| 3147 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3148 | struct ipa3_desc desc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3149 | struct ipa_mem_buffer mem; |
| 3150 | struct ipahal_imm_cmd_ip_v4_routing_init v4_cmd; |
| 3151 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 3152 | int i; |
| 3153 | int rc = 0; |
| 3154 | |
| 3155 | for (i = IPA_MEM_PART(v4_modem_rt_index_lo); |
| 3156 | i <= IPA_MEM_PART(v4_modem_rt_index_hi); |
| 3157 | i++) |
| 3158 | ipa3_ctx->rt_idx_bitmap[IPA_IP_v4] |= (1 << i); |
| 3159 | IPADBG("v4 rt bitmap 0x%lx\n", ipa3_ctx->rt_idx_bitmap[IPA_IP_v4]); |
| 3160 | |
| 3161 | rc = ipahal_rt_generate_empty_img(IPA_MEM_PART(v4_rt_num_index), |
| 3162 | IPA_MEM_PART(v4_rt_hash_size), IPA_MEM_PART(v4_rt_nhash_size), |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 3163 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3164 | if (rc) { |
| 3165 | IPAERR("fail generate empty v4 rt img\n"); |
| 3166 | return rc; |
| 3167 | } |
| 3168 | |
| 3169 | v4_cmd.hash_rules_addr = mem.phys_base; |
| 3170 | v4_cmd.hash_rules_size = mem.size; |
| 3171 | v4_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3172 | IPA_MEM_PART(v4_rt_hash_ofst); |
| 3173 | v4_cmd.nhash_rules_addr = mem.phys_base; |
| 3174 | v4_cmd.nhash_rules_size = mem.size; |
| 3175 | v4_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3176 | IPA_MEM_PART(v4_rt_nhash_ofst); |
| 3177 | IPADBG("putting hashable routing IPv4 rules to phys 0x%x\n", |
| 3178 | v4_cmd.hash_local_addr); |
| 3179 | IPADBG("putting non-hashable routing IPv4 rules to phys 0x%x\n", |
| 3180 | v4_cmd.nhash_local_addr); |
| 3181 | cmd_pyld = ipahal_construct_imm_cmd( |
| 3182 | IPA_IMM_CMD_IP_V4_ROUTING_INIT, &v4_cmd, false); |
| 3183 | if (!cmd_pyld) { |
| 3184 | IPAERR("fail construct ip_v4_rt_init imm cmd\n"); |
| 3185 | rc = -EPERM; |
| 3186 | goto free_mem; |
| 3187 | } |
| 3188 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3189 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3190 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 3191 | |
| 3192 | if (ipa3_send_cmd(1, &desc)) { |
| 3193 | IPAERR("fail to send immediate command\n"); |
| 3194 | rc = -EFAULT; |
| 3195 | } |
| 3196 | |
| 3197 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 3198 | |
| 3199 | free_mem: |
| 3200 | ipahal_free_dma_mem(&mem); |
| 3201 | return rc; |
| 3202 | } |
| 3203 | |
| 3204 | /** |
| 3205 | * _ipa_init_rt6_v3() - Initialize IPA routing block for IPv6. |
| 3206 | * |
| 3207 | * Return codes: 0 for success, negative value for failure |
| 3208 | */ |
| 3209 | int _ipa_init_rt6_v3(void) |
| 3210 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3211 | struct ipa3_desc desc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3212 | struct ipa_mem_buffer mem; |
| 3213 | struct ipahal_imm_cmd_ip_v6_routing_init v6_cmd; |
| 3214 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 3215 | int i; |
| 3216 | int rc = 0; |
| 3217 | |
| 3218 | for (i = IPA_MEM_PART(v6_modem_rt_index_lo); |
| 3219 | i <= IPA_MEM_PART(v6_modem_rt_index_hi); |
| 3220 | i++) |
| 3221 | ipa3_ctx->rt_idx_bitmap[IPA_IP_v6] |= (1 << i); |
| 3222 | IPADBG("v6 rt bitmap 0x%lx\n", ipa3_ctx->rt_idx_bitmap[IPA_IP_v6]); |
| 3223 | |
| 3224 | rc = ipahal_rt_generate_empty_img(IPA_MEM_PART(v6_rt_num_index), |
| 3225 | IPA_MEM_PART(v6_rt_hash_size), IPA_MEM_PART(v6_rt_nhash_size), |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 3226 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3227 | if (rc) { |
| 3228 | IPAERR("fail generate empty v6 rt img\n"); |
| 3229 | return rc; |
| 3230 | } |
| 3231 | |
| 3232 | v6_cmd.hash_rules_addr = mem.phys_base; |
| 3233 | v6_cmd.hash_rules_size = mem.size; |
| 3234 | v6_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3235 | IPA_MEM_PART(v6_rt_hash_ofst); |
| 3236 | v6_cmd.nhash_rules_addr = mem.phys_base; |
| 3237 | v6_cmd.nhash_rules_size = mem.size; |
| 3238 | v6_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3239 | IPA_MEM_PART(v6_rt_nhash_ofst); |
| 3240 | IPADBG("putting hashable routing IPv6 rules to phys 0x%x\n", |
| 3241 | v6_cmd.hash_local_addr); |
| 3242 | IPADBG("putting non-hashable routing IPv6 rules to phys 0x%x\n", |
| 3243 | v6_cmd.nhash_local_addr); |
| 3244 | cmd_pyld = ipahal_construct_imm_cmd( |
| 3245 | IPA_IMM_CMD_IP_V6_ROUTING_INIT, &v6_cmd, false); |
| 3246 | if (!cmd_pyld) { |
| 3247 | IPAERR("fail construct ip_v6_rt_init imm cmd\n"); |
| 3248 | rc = -EPERM; |
| 3249 | goto free_mem; |
| 3250 | } |
| 3251 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3252 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3253 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 3254 | |
| 3255 | if (ipa3_send_cmd(1, &desc)) { |
| 3256 | IPAERR("fail to send immediate command\n"); |
| 3257 | rc = -EFAULT; |
| 3258 | } |
| 3259 | |
| 3260 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 3261 | |
| 3262 | free_mem: |
| 3263 | ipahal_free_dma_mem(&mem); |
| 3264 | return rc; |
| 3265 | } |
| 3266 | |
| 3267 | /** |
| 3268 | * _ipa_init_flt4_v3() - Initialize IPA filtering block for IPv4. |
| 3269 | * |
| 3270 | * Return codes: 0 for success, negative value for failure |
| 3271 | */ |
| 3272 | int _ipa_init_flt4_v3(void) |
| 3273 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3274 | struct ipa3_desc desc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3275 | struct ipa_mem_buffer mem; |
| 3276 | struct ipahal_imm_cmd_ip_v4_filter_init v4_cmd; |
| 3277 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 3278 | int rc; |
| 3279 | |
| 3280 | rc = ipahal_flt_generate_empty_img(ipa3_ctx->ep_flt_num, |
| 3281 | IPA_MEM_PART(v4_flt_hash_size), |
| 3282 | IPA_MEM_PART(v4_flt_nhash_size), ipa3_ctx->ep_flt_bitmap, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 3283 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3284 | if (rc) { |
| 3285 | IPAERR("fail generate empty v4 flt img\n"); |
| 3286 | return rc; |
| 3287 | } |
| 3288 | |
| 3289 | v4_cmd.hash_rules_addr = mem.phys_base; |
| 3290 | v4_cmd.hash_rules_size = mem.size; |
| 3291 | v4_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3292 | IPA_MEM_PART(v4_flt_hash_ofst); |
| 3293 | v4_cmd.nhash_rules_addr = mem.phys_base; |
| 3294 | v4_cmd.nhash_rules_size = mem.size; |
| 3295 | v4_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3296 | IPA_MEM_PART(v4_flt_nhash_ofst); |
| 3297 | IPADBG("putting hashable filtering IPv4 rules to phys 0x%x\n", |
| 3298 | v4_cmd.hash_local_addr); |
| 3299 | IPADBG("putting non-hashable filtering IPv4 rules to phys 0x%x\n", |
| 3300 | v4_cmd.nhash_local_addr); |
| 3301 | cmd_pyld = ipahal_construct_imm_cmd( |
| 3302 | IPA_IMM_CMD_IP_V4_FILTER_INIT, &v4_cmd, false); |
| 3303 | if (!cmd_pyld) { |
| 3304 | IPAERR("fail construct ip_v4_flt_init imm cmd\n"); |
| 3305 | rc = -EPERM; |
| 3306 | goto free_mem; |
| 3307 | } |
| 3308 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3309 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3310 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 3311 | |
| 3312 | if (ipa3_send_cmd(1, &desc)) { |
| 3313 | IPAERR("fail to send immediate command\n"); |
| 3314 | rc = -EFAULT; |
| 3315 | } |
| 3316 | |
| 3317 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 3318 | |
| 3319 | free_mem: |
| 3320 | ipahal_free_dma_mem(&mem); |
| 3321 | return rc; |
| 3322 | } |
| 3323 | |
| 3324 | /** |
| 3325 | * _ipa_init_flt6_v3() - Initialize IPA filtering block for IPv6. |
| 3326 | * |
| 3327 | * Return codes: 0 for success, negative value for failure |
| 3328 | */ |
| 3329 | int _ipa_init_flt6_v3(void) |
| 3330 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3331 | struct ipa3_desc desc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3332 | struct ipa_mem_buffer mem; |
| 3333 | struct ipahal_imm_cmd_ip_v6_filter_init v6_cmd; |
| 3334 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 3335 | int rc; |
| 3336 | |
| 3337 | rc = ipahal_flt_generate_empty_img(ipa3_ctx->ep_flt_num, |
| 3338 | IPA_MEM_PART(v6_flt_hash_size), |
| 3339 | IPA_MEM_PART(v6_flt_nhash_size), ipa3_ctx->ep_flt_bitmap, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 3340 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3341 | if (rc) { |
| 3342 | IPAERR("fail generate empty v6 flt img\n"); |
| 3343 | return rc; |
| 3344 | } |
| 3345 | |
| 3346 | v6_cmd.hash_rules_addr = mem.phys_base; |
| 3347 | v6_cmd.hash_rules_size = mem.size; |
| 3348 | v6_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3349 | IPA_MEM_PART(v6_flt_hash_ofst); |
| 3350 | v6_cmd.nhash_rules_addr = mem.phys_base; |
| 3351 | v6_cmd.nhash_rules_size = mem.size; |
| 3352 | v6_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3353 | IPA_MEM_PART(v6_flt_nhash_ofst); |
| 3354 | IPADBG("putting hashable filtering IPv6 rules to phys 0x%x\n", |
| 3355 | v6_cmd.hash_local_addr); |
| 3356 | IPADBG("putting non-hashable filtering IPv6 rules to phys 0x%x\n", |
| 3357 | v6_cmd.nhash_local_addr); |
| 3358 | |
| 3359 | cmd_pyld = ipahal_construct_imm_cmd( |
| 3360 | IPA_IMM_CMD_IP_V6_FILTER_INIT, &v6_cmd, false); |
| 3361 | if (!cmd_pyld) { |
| 3362 | IPAERR("fail construct ip_v6_flt_init imm cmd\n"); |
| 3363 | rc = -EPERM; |
| 3364 | goto free_mem; |
| 3365 | } |
| 3366 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3367 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3368 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 3369 | |
| 3370 | if (ipa3_send_cmd(1, &desc)) { |
| 3371 | IPAERR("fail to send immediate command\n"); |
| 3372 | rc = -EFAULT; |
| 3373 | } |
| 3374 | |
| 3375 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 3376 | |
| 3377 | free_mem: |
| 3378 | ipahal_free_dma_mem(&mem); |
| 3379 | return rc; |
| 3380 | } |
| 3381 | |
| 3382 | static int ipa3_setup_flt_hash_tuple(void) |
| 3383 | { |
| 3384 | int pipe_idx; |
| 3385 | struct ipahal_reg_hash_tuple tuple; |
| 3386 | |
| 3387 | memset(&tuple, 0, sizeof(struct ipahal_reg_hash_tuple)); |
| 3388 | |
| 3389 | for (pipe_idx = 0; pipe_idx < ipa3_ctx->ipa_num_pipes ; pipe_idx++) { |
| 3390 | if (!ipa_is_ep_support_flt(pipe_idx)) |
| 3391 | continue; |
| 3392 | |
| 3393 | if (ipa_is_modem_pipe(pipe_idx)) |
| 3394 | continue; |
| 3395 | |
| 3396 | if (ipa3_set_flt_tuple_mask(pipe_idx, &tuple)) { |
| 3397 | IPAERR("failed to setup pipe %d flt tuple\n", pipe_idx); |
| 3398 | return -EFAULT; |
| 3399 | } |
| 3400 | } |
| 3401 | |
| 3402 | return 0; |
| 3403 | } |
| 3404 | |
| 3405 | static int ipa3_setup_rt_hash_tuple(void) |
| 3406 | { |
| 3407 | int tbl_idx; |
| 3408 | struct ipahal_reg_hash_tuple tuple; |
| 3409 | |
| 3410 | memset(&tuple, 0, sizeof(struct ipahal_reg_hash_tuple)); |
| 3411 | |
| 3412 | for (tbl_idx = 0; |
| 3413 | tbl_idx < max(IPA_MEM_PART(v6_rt_num_index), |
| 3414 | IPA_MEM_PART(v4_rt_num_index)); |
| 3415 | tbl_idx++) { |
| 3416 | |
| 3417 | if (tbl_idx >= IPA_MEM_PART(v4_modem_rt_index_lo) && |
| 3418 | tbl_idx <= IPA_MEM_PART(v4_modem_rt_index_hi)) |
| 3419 | continue; |
| 3420 | |
| 3421 | if (tbl_idx >= IPA_MEM_PART(v6_modem_rt_index_lo) && |
| 3422 | tbl_idx <= IPA_MEM_PART(v6_modem_rt_index_hi)) |
| 3423 | continue; |
| 3424 | |
| 3425 | if (ipa3_set_rt_tuple_mask(tbl_idx, &tuple)) { |
| 3426 | IPAERR("failed to setup tbl %d rt tuple\n", tbl_idx); |
| 3427 | return -EFAULT; |
| 3428 | } |
| 3429 | } |
| 3430 | |
| 3431 | return 0; |
| 3432 | } |
| 3433 | |
| 3434 | static int ipa3_setup_apps_pipes(void) |
| 3435 | { |
| 3436 | struct ipa_sys_connect_params sys_in; |
| 3437 | int result = 0; |
| 3438 | |
| 3439 | if (ipa3_ctx->gsi_ch20_wa) { |
| 3440 | IPADBG("Allocating GSI physical channel 20\n"); |
| 3441 | result = ipa_gsi_ch20_wa(); |
| 3442 | if (result) { |
| 3443 | IPAERR("ipa_gsi_ch20_wa failed %d\n", result); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3444 | goto fail_ch20_wa; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3445 | } |
| 3446 | } |
| 3447 | |
Skylar Chang | d407e59 | 2017-03-30 11:25:30 -0700 | [diff] [blame] | 3448 | /* allocate the common PROD event ring */ |
| 3449 | if (ipa3_alloc_common_event_ring()) { |
| 3450 | IPAERR("ipa3_alloc_common_event_ring failed.\n"); |
| 3451 | result = -EPERM; |
| 3452 | goto fail_ch20_wa; |
| 3453 | } |
| 3454 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3455 | /* CMD OUT (AP->IPA) */ |
| 3456 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 3457 | sys_in.client = IPA_CLIENT_APPS_CMD_PROD; |
| 3458 | sys_in.desc_fifo_sz = IPA_SYS_DESC_FIFO_SZ; |
| 3459 | sys_in.ipa_ep_cfg.mode.mode = IPA_DMA; |
| 3460 | sys_in.ipa_ep_cfg.mode.dst = IPA_CLIENT_APPS_LAN_CONS; |
| 3461 | if (ipa3_setup_sys_pipe(&sys_in, &ipa3_ctx->clnt_hdl_cmd)) { |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3462 | IPAERR(":setup sys pipe (APPS_CMD_PROD) failed.\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3463 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3464 | goto fail_ch20_wa; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3465 | } |
| 3466 | IPADBG("Apps to IPA cmd pipe is connected\n"); |
| 3467 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 3468 | IPADBG("Will initialize SRAM\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3469 | ipa3_ctx->ctrl->ipa_init_sram(); |
| 3470 | IPADBG("SRAM initialized\n"); |
| 3471 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 3472 | IPADBG("Will initialize HDR\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3473 | ipa3_ctx->ctrl->ipa_init_hdr(); |
| 3474 | IPADBG("HDR initialized\n"); |
| 3475 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 3476 | IPADBG("Will initialize V4 RT\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3477 | ipa3_ctx->ctrl->ipa_init_rt4(); |
| 3478 | IPADBG("V4 RT initialized\n"); |
| 3479 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 3480 | IPADBG("Will initialize V6 RT\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3481 | ipa3_ctx->ctrl->ipa_init_rt6(); |
| 3482 | IPADBG("V6 RT initialized\n"); |
| 3483 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 3484 | IPADBG("Will initialize V4 FLT\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3485 | ipa3_ctx->ctrl->ipa_init_flt4(); |
| 3486 | IPADBG("V4 FLT initialized\n"); |
| 3487 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 3488 | IPADBG("Will initialize V6 FLT\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3489 | ipa3_ctx->ctrl->ipa_init_flt6(); |
| 3490 | IPADBG("V6 FLT initialized\n"); |
| 3491 | |
| 3492 | if (ipa3_setup_flt_hash_tuple()) { |
| 3493 | IPAERR(":fail to configure flt hash tuple\n"); |
| 3494 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3495 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3496 | } |
| 3497 | IPADBG("flt hash tuple is configured\n"); |
| 3498 | |
| 3499 | if (ipa3_setup_rt_hash_tuple()) { |
| 3500 | IPAERR(":fail to configure rt hash tuple\n"); |
| 3501 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3502 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3503 | } |
| 3504 | IPADBG("rt hash tuple is configured\n"); |
| 3505 | |
| 3506 | if (ipa3_setup_exception_path()) { |
| 3507 | IPAERR(":fail to setup excp path\n"); |
| 3508 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3509 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3510 | } |
| 3511 | IPADBG("Exception path was successfully set"); |
| 3512 | |
| 3513 | if (ipa3_setup_dflt_rt_tables()) { |
| 3514 | IPAERR(":fail to setup dflt routes\n"); |
| 3515 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3516 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3517 | } |
| 3518 | IPADBG("default routing was set\n"); |
| 3519 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3520 | /* LAN IN (IPA->AP) */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3521 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 3522 | sys_in.client = IPA_CLIENT_APPS_LAN_CONS; |
| 3523 | sys_in.desc_fifo_sz = IPA_SYS_DESC_FIFO_SZ; |
| 3524 | sys_in.notify = ipa3_lan_rx_cb; |
| 3525 | sys_in.priv = NULL; |
| 3526 | sys_in.ipa_ep_cfg.hdr.hdr_len = IPA_LAN_RX_HEADER_LENGTH; |
| 3527 | sys_in.ipa_ep_cfg.hdr_ext.hdr_little_endian = false; |
| 3528 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad_valid = true; |
| 3529 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad = IPA_HDR_PAD; |
| 3530 | sys_in.ipa_ep_cfg.hdr_ext.hdr_payload_len_inc_padding = false; |
| 3531 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad_offset = 0; |
| 3532 | sys_in.ipa_ep_cfg.hdr_ext.hdr_pad_to_alignment = 2; |
| 3533 | sys_in.ipa_ep_cfg.cfg.cs_offload_en = IPA_ENABLE_CS_OFFLOAD_DL; |
| 3534 | |
| 3535 | /** |
| 3536 | * ipa_lan_rx_cb() intended to notify the source EP about packet |
| 3537 | * being received on the LAN_CONS via calling the source EP call-back. |
| 3538 | * There could be a race condition with calling this call-back. Other |
| 3539 | * thread may nullify it - e.g. on EP disconnect. |
| 3540 | * This lock intended to protect the access to the source EP call-back |
| 3541 | */ |
| 3542 | spin_lock_init(&ipa3_ctx->disconnect_lock); |
| 3543 | if (ipa3_setup_sys_pipe(&sys_in, &ipa3_ctx->clnt_hdl_data_in)) { |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3544 | IPAERR(":setup sys pipe (LAN_CONS) failed.\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3545 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3546 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3547 | } |
| 3548 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3549 | /* LAN OUT (AP->IPA) */ |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 3550 | if (!ipa3_ctx->ipa_config_is_mhi) { |
| 3551 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 3552 | sys_in.client = IPA_CLIENT_APPS_LAN_PROD; |
| 3553 | sys_in.desc_fifo_sz = IPA_SYS_TX_DATA_DESC_FIFO_SZ; |
| 3554 | sys_in.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 3555 | if (ipa3_setup_sys_pipe(&sys_in, |
| 3556 | &ipa3_ctx->clnt_hdl_data_out)) { |
| 3557 | IPAERR(":setup sys pipe (LAN_PROD) failed.\n"); |
| 3558 | result = -EPERM; |
| 3559 | goto fail_lan_data_out; |
| 3560 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3561 | } |
| 3562 | |
| 3563 | return 0; |
| 3564 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3565 | fail_lan_data_out: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3566 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_in); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3567 | fail_flt_hash_tuple: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3568 | if (ipa3_ctx->dflt_v6_rt_rule_hdl) |
| 3569 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v6_rt_rule_hdl); |
| 3570 | if (ipa3_ctx->dflt_v4_rt_rule_hdl) |
| 3571 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v4_rt_rule_hdl); |
| 3572 | if (ipa3_ctx->excp_hdr_hdl) |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 3573 | __ipa3_del_hdr(ipa3_ctx->excp_hdr_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3574 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_cmd); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3575 | fail_ch20_wa: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3576 | return result; |
| 3577 | } |
| 3578 | |
| 3579 | static void ipa3_teardown_apps_pipes(void) |
| 3580 | { |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 3581 | if (!ipa3_ctx->ipa_config_is_mhi) |
| 3582 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_out); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3583 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_in); |
| 3584 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v6_rt_rule_hdl); |
| 3585 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v4_rt_rule_hdl); |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 3586 | __ipa3_del_hdr(ipa3_ctx->excp_hdr_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3587 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_cmd); |
| 3588 | } |
| 3589 | |
| 3590 | #ifdef CONFIG_COMPAT |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3591 | |
| 3592 | static long compat_ipa3_nat_ipv6ct_alloc_table(unsigned long arg, |
| 3593 | int (alloc_func)(struct ipa_ioc_nat_ipv6ct_table_alloc *)) |
| 3594 | { |
| 3595 | long retval; |
| 3596 | struct ipa_ioc_nat_ipv6ct_table_alloc32 table_alloc32; |
| 3597 | struct ipa_ioc_nat_ipv6ct_table_alloc table_alloc; |
| 3598 | |
| 3599 | retval = copy_from_user(&table_alloc32, (const void __user *)arg, |
| 3600 | sizeof(struct ipa_ioc_nat_ipv6ct_table_alloc32)); |
| 3601 | if (retval) |
| 3602 | return retval; |
| 3603 | |
| 3604 | table_alloc.size = (size_t)table_alloc32.size; |
| 3605 | table_alloc.offset = (off_t)table_alloc32.offset; |
| 3606 | |
| 3607 | retval = alloc_func(&table_alloc); |
| 3608 | if (retval) |
| 3609 | return retval; |
| 3610 | |
| 3611 | if (table_alloc.offset) { |
| 3612 | table_alloc32.offset = (compat_off_t)table_alloc.offset; |
| 3613 | retval = copy_to_user((void __user *)arg, &table_alloc32, |
| 3614 | sizeof(struct ipa_ioc_nat_ipv6ct_table_alloc32)); |
| 3615 | } |
| 3616 | |
| 3617 | return retval; |
| 3618 | } |
| 3619 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3620 | long compat_ipa3_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 3621 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3622 | long retval = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3623 | struct ipa3_ioc_nat_alloc_mem32 nat_mem32; |
| 3624 | struct ipa_ioc_nat_alloc_mem nat_mem; |
| 3625 | |
| 3626 | switch (cmd) { |
| 3627 | case IPA_IOC_ADD_HDR32: |
| 3628 | cmd = IPA_IOC_ADD_HDR; |
| 3629 | break; |
| 3630 | case IPA_IOC_DEL_HDR32: |
| 3631 | cmd = IPA_IOC_DEL_HDR; |
| 3632 | break; |
| 3633 | case IPA_IOC_ADD_RT_RULE32: |
| 3634 | cmd = IPA_IOC_ADD_RT_RULE; |
| 3635 | break; |
| 3636 | case IPA_IOC_DEL_RT_RULE32: |
| 3637 | cmd = IPA_IOC_DEL_RT_RULE; |
| 3638 | break; |
| 3639 | case IPA_IOC_ADD_FLT_RULE32: |
| 3640 | cmd = IPA_IOC_ADD_FLT_RULE; |
| 3641 | break; |
| 3642 | case IPA_IOC_DEL_FLT_RULE32: |
| 3643 | cmd = IPA_IOC_DEL_FLT_RULE; |
| 3644 | break; |
| 3645 | case IPA_IOC_GET_RT_TBL32: |
| 3646 | cmd = IPA_IOC_GET_RT_TBL; |
| 3647 | break; |
| 3648 | case IPA_IOC_COPY_HDR32: |
| 3649 | cmd = IPA_IOC_COPY_HDR; |
| 3650 | break; |
| 3651 | case IPA_IOC_QUERY_INTF32: |
| 3652 | cmd = IPA_IOC_QUERY_INTF; |
| 3653 | break; |
| 3654 | case IPA_IOC_QUERY_INTF_TX_PROPS32: |
| 3655 | cmd = IPA_IOC_QUERY_INTF_TX_PROPS; |
| 3656 | break; |
| 3657 | case IPA_IOC_QUERY_INTF_RX_PROPS32: |
| 3658 | cmd = IPA_IOC_QUERY_INTF_RX_PROPS; |
| 3659 | break; |
| 3660 | case IPA_IOC_QUERY_INTF_EXT_PROPS32: |
| 3661 | cmd = IPA_IOC_QUERY_INTF_EXT_PROPS; |
| 3662 | break; |
| 3663 | case IPA_IOC_GET_HDR32: |
| 3664 | cmd = IPA_IOC_GET_HDR; |
| 3665 | break; |
| 3666 | case IPA_IOC_ALLOC_NAT_MEM32: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3667 | retval = copy_from_user(&nat_mem32, (const void __user *)arg, |
| 3668 | sizeof(struct ipa3_ioc_nat_alloc_mem32)); |
| 3669 | if (retval) |
| 3670 | return retval; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3671 | memcpy(nat_mem.dev_name, nat_mem32.dev_name, |
| 3672 | IPA_RESOURCE_NAME_MAX); |
| 3673 | nat_mem.size = (size_t)nat_mem32.size; |
| 3674 | nat_mem.offset = (off_t)nat_mem32.offset; |
| 3675 | |
| 3676 | /* null terminate the string */ |
| 3677 | nat_mem.dev_name[IPA_RESOURCE_NAME_MAX - 1] = '\0'; |
| 3678 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3679 | retval = ipa3_allocate_nat_device(&nat_mem); |
| 3680 | if (retval) |
| 3681 | return retval; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3682 | nat_mem32.offset = (compat_off_t)nat_mem.offset; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3683 | retval = copy_to_user((void __user *)arg, &nat_mem32, |
| 3684 | sizeof(struct ipa3_ioc_nat_alloc_mem32)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3685 | return retval; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3686 | case IPA_IOC_ALLOC_NAT_TABLE32: |
| 3687 | return compat_ipa3_nat_ipv6ct_alloc_table(arg, |
| 3688 | ipa3_allocate_nat_table); |
| 3689 | case IPA_IOC_ALLOC_IPV6CT_TABLE32: |
| 3690 | return compat_ipa3_nat_ipv6ct_alloc_table(arg, |
| 3691 | ipa3_allocate_ipv6ct_table); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3692 | case IPA_IOC_V4_INIT_NAT32: |
| 3693 | cmd = IPA_IOC_V4_INIT_NAT; |
| 3694 | break; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3695 | case IPA_IOC_INIT_IPV6CT_TABLE32: |
| 3696 | cmd = IPA_IOC_INIT_IPV6CT_TABLE; |
| 3697 | break; |
| 3698 | case IPA_IOC_TABLE_DMA_CMD32: |
| 3699 | cmd = IPA_IOC_TABLE_DMA_CMD; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3700 | break; |
| 3701 | case IPA_IOC_V4_DEL_NAT32: |
| 3702 | cmd = IPA_IOC_V4_DEL_NAT; |
| 3703 | break; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3704 | case IPA_IOC_DEL_NAT_TABLE32: |
| 3705 | cmd = IPA_IOC_DEL_NAT_TABLE; |
| 3706 | break; |
| 3707 | case IPA_IOC_DEL_IPV6CT_TABLE32: |
| 3708 | cmd = IPA_IOC_DEL_IPV6CT_TABLE; |
| 3709 | break; |
| 3710 | case IPA_IOC_NAT_MODIFY_PDN32: |
| 3711 | cmd = IPA_IOC_NAT_MODIFY_PDN; |
| 3712 | break; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3713 | case IPA_IOC_GET_NAT_OFFSET32: |
| 3714 | cmd = IPA_IOC_GET_NAT_OFFSET; |
| 3715 | break; |
| 3716 | case IPA_IOC_PULL_MSG32: |
| 3717 | cmd = IPA_IOC_PULL_MSG; |
| 3718 | break; |
| 3719 | case IPA_IOC_RM_ADD_DEPENDENCY32: |
| 3720 | cmd = IPA_IOC_RM_ADD_DEPENDENCY; |
| 3721 | break; |
| 3722 | case IPA_IOC_RM_DEL_DEPENDENCY32: |
| 3723 | cmd = IPA_IOC_RM_DEL_DEPENDENCY; |
| 3724 | break; |
| 3725 | case IPA_IOC_GENERATE_FLT_EQ32: |
| 3726 | cmd = IPA_IOC_GENERATE_FLT_EQ; |
| 3727 | break; |
| 3728 | case IPA_IOC_QUERY_RT_TBL_INDEX32: |
| 3729 | cmd = IPA_IOC_QUERY_RT_TBL_INDEX; |
| 3730 | break; |
| 3731 | case IPA_IOC_WRITE_QMAPID32: |
| 3732 | cmd = IPA_IOC_WRITE_QMAPID; |
| 3733 | break; |
| 3734 | case IPA_IOC_MDFY_FLT_RULE32: |
| 3735 | cmd = IPA_IOC_MDFY_FLT_RULE; |
| 3736 | break; |
| 3737 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD32: |
| 3738 | cmd = IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD; |
| 3739 | break; |
| 3740 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL32: |
| 3741 | cmd = IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL; |
| 3742 | break; |
| 3743 | case IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED32: |
| 3744 | cmd = IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED; |
| 3745 | break; |
| 3746 | case IPA_IOC_MDFY_RT_RULE32: |
| 3747 | cmd = IPA_IOC_MDFY_RT_RULE; |
| 3748 | break; |
| 3749 | case IPA_IOC_COMMIT_HDR: |
| 3750 | case IPA_IOC_RESET_HDR: |
| 3751 | case IPA_IOC_COMMIT_RT: |
| 3752 | case IPA_IOC_RESET_RT: |
| 3753 | case IPA_IOC_COMMIT_FLT: |
| 3754 | case IPA_IOC_RESET_FLT: |
| 3755 | case IPA_IOC_DUMP: |
| 3756 | case IPA_IOC_PUT_RT_TBL: |
| 3757 | case IPA_IOC_PUT_HDR: |
| 3758 | case IPA_IOC_SET_FLT: |
| 3759 | case IPA_IOC_QUERY_EP_MAPPING: |
| 3760 | break; |
| 3761 | default: |
| 3762 | return -ENOIOCTLCMD; |
| 3763 | } |
| 3764 | return ipa3_ioctl(file, cmd, (unsigned long) compat_ptr(arg)); |
| 3765 | } |
| 3766 | #endif |
| 3767 | |
| 3768 | static ssize_t ipa3_write(struct file *file, const char __user *buf, |
| 3769 | size_t count, loff_t *ppos); |
| 3770 | |
| 3771 | static const struct file_operations ipa3_drv_fops = { |
| 3772 | .owner = THIS_MODULE, |
| 3773 | .open = ipa3_open, |
| 3774 | .read = ipa3_read, |
| 3775 | .write = ipa3_write, |
| 3776 | .unlocked_ioctl = ipa3_ioctl, |
| 3777 | #ifdef CONFIG_COMPAT |
| 3778 | .compat_ioctl = compat_ipa3_ioctl, |
| 3779 | #endif |
| 3780 | }; |
| 3781 | |
| 3782 | static int ipa3_get_clks(struct device *dev) |
| 3783 | { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3784 | if (ipa3_res.use_bw_vote) { |
| 3785 | IPADBG("Vote IPA clock by bw voting via bus scaling driver\n"); |
| 3786 | ipa3_clk = NULL; |
| 3787 | return 0; |
| 3788 | } |
| 3789 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3790 | ipa3_clk = clk_get(dev, "core_clk"); |
| 3791 | if (IS_ERR(ipa3_clk)) { |
| 3792 | if (ipa3_clk != ERR_PTR(-EPROBE_DEFER)) |
| 3793 | IPAERR("fail to get ipa clk\n"); |
| 3794 | return PTR_ERR(ipa3_clk); |
| 3795 | } |
| 3796 | return 0; |
| 3797 | } |
| 3798 | |
| 3799 | /** |
| 3800 | * _ipa_enable_clks_v3_0() - Enable IPA clocks. |
| 3801 | */ |
| 3802 | void _ipa_enable_clks_v3_0(void) |
| 3803 | { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3804 | IPADBG_LOW("curr_ipa_clk_rate=%d", ipa3_ctx->curr_ipa_clk_rate); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3805 | if (ipa3_clk) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3806 | IPADBG_LOW("enabling gcc_ipa_clk\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3807 | clk_prepare(ipa3_clk); |
| 3808 | clk_enable(ipa3_clk); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3809 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3810 | } |
| 3811 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3812 | ipa3_uc_notify_clk_state(true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3813 | } |
| 3814 | |
| 3815 | static unsigned int ipa3_get_bus_vote(void) |
| 3816 | { |
| 3817 | unsigned int idx = 1; |
| 3818 | |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3819 | if (ipa3_ctx->curr_ipa_clk_rate == ipa3_ctx->ctrl->ipa_clk_rate_svs2) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3820 | idx = 1; |
| 3821 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3822 | ipa3_ctx->ctrl->ipa_clk_rate_svs) { |
| 3823 | idx = 2; |
| 3824 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
| 3825 | ipa3_ctx->ctrl->ipa_clk_rate_nominal) { |
| 3826 | idx = 3; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3827 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
| 3828 | ipa3_ctx->ctrl->ipa_clk_rate_turbo) { |
| 3829 | idx = ipa3_ctx->ctrl->msm_bus_data_ptr->num_usecases - 1; |
| 3830 | } else { |
| 3831 | WARN_ON(1); |
| 3832 | } |
Michael Adisumarta | d8c88e5 | 2018-01-05 10:22:38 -0800 | [diff] [blame] | 3833 | IPADBG_LOW("curr %d idx %d\n", ipa3_ctx->curr_ipa_clk_rate, idx); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3834 | |
| 3835 | return idx; |
| 3836 | } |
| 3837 | |
| 3838 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 3839 | * ipa3_enable_clks() - Turn on IPA clocks |
| 3840 | * |
| 3841 | * Return codes: |
| 3842 | * None |
| 3843 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3844 | void ipa3_enable_clks(void) |
| 3845 | { |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 3846 | if (ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_NORMAL) { |
| 3847 | IPAERR("not supported in this mode\n"); |
| 3848 | return; |
| 3849 | } |
| 3850 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3851 | IPADBG("enabling IPA clocks and bus voting\n"); |
| 3852 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3853 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
| 3854 | ipa3_get_bus_vote())) |
| 3855 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3856 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3857 | ipa3_ctx->ctrl->ipa3_enable_clks(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3858 | } |
| 3859 | |
| 3860 | |
| 3861 | /** |
| 3862 | * _ipa_disable_clks_v3_0() - Disable IPA clocks. |
| 3863 | */ |
| 3864 | void _ipa_disable_clks_v3_0(void) |
| 3865 | { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3866 | ipa3_suspend_apps_pipes(true); |
| 3867 | ipa3_uc_notify_clk_state(false); |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3868 | if (ipa3_clk) { |
| 3869 | IPADBG_LOW("disabling gcc_ipa_clk\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3870 | clk_disable_unprepare(ipa3_clk); |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3871 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3872 | } |
| 3873 | |
| 3874 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 3875 | * ipa3_disable_clks() - Turn off IPA clocks |
| 3876 | * |
| 3877 | * Return codes: |
| 3878 | * None |
| 3879 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3880 | void ipa3_disable_clks(void) |
| 3881 | { |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 3882 | if (ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_NORMAL) { |
| 3883 | IPAERR("not supported in this mode\n"); |
| 3884 | return; |
| 3885 | } |
| 3886 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3887 | IPADBG("disabling IPA clocks and bus voting\n"); |
| 3888 | |
| 3889 | ipa3_ctx->ctrl->ipa3_disable_clks(); |
| 3890 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3891 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, 0)) |
| 3892 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3893 | } |
| 3894 | |
| 3895 | /** |
| 3896 | * ipa3_start_tag_process() - Send TAG packet and wait for it to come back |
| 3897 | * |
| 3898 | * This function is called prior to clock gating when active client counter |
| 3899 | * is 1. TAG process ensures that there are no packets inside IPA HW that |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3900 | * were not submitted to the IPA client via the transport. During TAG process |
| 3901 | * all aggregation frames are (force) closed. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3902 | * |
| 3903 | * Return codes: |
| 3904 | * None |
| 3905 | */ |
| 3906 | static void ipa3_start_tag_process(struct work_struct *work) |
| 3907 | { |
| 3908 | int res; |
| 3909 | |
| 3910 | IPADBG("starting TAG process\n"); |
| 3911 | /* close aggregation frames on all pipes */ |
| 3912 | res = ipa3_tag_aggr_force_close(-1); |
| 3913 | if (res) |
| 3914 | IPAERR("ipa3_tag_aggr_force_close failed %d\n", res); |
| 3915 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("TAG_PROCESS"); |
| 3916 | |
| 3917 | IPADBG("TAG process done\n"); |
| 3918 | } |
| 3919 | |
| 3920 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 3921 | * ipa3_active_clients_log_mod() - Log a modification in the active clients |
| 3922 | * reference count |
| 3923 | * |
| 3924 | * This method logs any modification in the active clients reference count: |
| 3925 | * It logs the modification in the circular history buffer |
| 3926 | * It logs the modification in the hash table - looking for an entry, |
| 3927 | * creating one if needed and deleting one if needed. |
| 3928 | * |
| 3929 | * @id: ipa3_active client logging info struct to hold the log information |
| 3930 | * @inc: a boolean variable to indicate whether the modification is an increase |
| 3931 | * or decrease |
| 3932 | * @int_ctx: a boolean variable to indicate whether this call is being made from |
| 3933 | * an interrupt context and therefore should allocate GFP_ATOMIC memory |
| 3934 | * |
| 3935 | * Method process: |
| 3936 | * - Hash the unique identifier string |
| 3937 | * - Find the hash in the table |
| 3938 | * 1)If found, increase or decrease the reference count |
| 3939 | * 2)If not found, allocate a new hash table entry struct and initialize it |
| 3940 | * - Remove and deallocate unneeded data structure |
| 3941 | * - Log the call in the circular history buffer (unless it is a simple call) |
| 3942 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3943 | void ipa3_active_clients_log_mod(struct ipa_active_client_logging_info *id, |
| 3944 | bool inc, bool int_ctx) |
| 3945 | { |
| 3946 | char temp_str[IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN]; |
| 3947 | unsigned long long t; |
| 3948 | unsigned long nanosec_rem; |
| 3949 | struct ipa3_active_client_htable_entry *hentry; |
| 3950 | struct ipa3_active_client_htable_entry *hfound; |
| 3951 | u32 hkey; |
| 3952 | char str_to_hash[IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN]; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3953 | unsigned long flags; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3954 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3955 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
| 3956 | int_ctx = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3957 | hfound = NULL; |
| 3958 | memset(str_to_hash, 0, IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN); |
| 3959 | strlcpy(str_to_hash, id->id_string, IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN); |
Amir Levy | d9f5113 | 2016-11-14 16:55:35 +0200 | [diff] [blame] | 3960 | hkey = jhash(str_to_hash, IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3961 | 0); |
| 3962 | hash_for_each_possible(ipa3_ctx->ipa3_active_clients_logging.htable, |
| 3963 | hentry, list, hkey) { |
| 3964 | if (!strcmp(hentry->id_string, id->id_string)) { |
| 3965 | hentry->count = hentry->count + (inc ? 1 : -1); |
| 3966 | hfound = hentry; |
| 3967 | } |
| 3968 | } |
| 3969 | if (hfound == NULL) { |
| 3970 | hentry = NULL; |
| 3971 | hentry = kzalloc(sizeof( |
| 3972 | struct ipa3_active_client_htable_entry), |
| 3973 | int_ctx ? GFP_ATOMIC : GFP_KERNEL); |
| 3974 | if (hentry == NULL) { |
| 3975 | IPAERR("failed allocating active clients hash entry"); |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3976 | spin_unlock_irqrestore( |
| 3977 | &ipa3_ctx->ipa3_active_clients_logging.lock, |
| 3978 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3979 | return; |
| 3980 | } |
| 3981 | hentry->type = id->type; |
| 3982 | strlcpy(hentry->id_string, id->id_string, |
| 3983 | IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN); |
| 3984 | INIT_HLIST_NODE(&hentry->list); |
| 3985 | hentry->count = inc ? 1 : -1; |
| 3986 | hash_add(ipa3_ctx->ipa3_active_clients_logging.htable, |
| 3987 | &hentry->list, hkey); |
| 3988 | } else if (hfound->count == 0) { |
| 3989 | hash_del(&hfound->list); |
| 3990 | kfree(hfound); |
| 3991 | } |
| 3992 | |
| 3993 | if (id->type != SIMPLE) { |
| 3994 | t = local_clock(); |
| 3995 | nanosec_rem = do_div(t, 1000000000) / 1000; |
| 3996 | snprintf(temp_str, IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN, |
| 3997 | inc ? "[%5lu.%06lu] ^ %s, %s: %d" : |
| 3998 | "[%5lu.%06lu] v %s, %s: %d", |
| 3999 | (unsigned long)t, nanosec_rem, |
| 4000 | id->id_string, id->file, id->line); |
| 4001 | ipa3_active_clients_log_insert(temp_str); |
| 4002 | } |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 4003 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 4004 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4005 | } |
| 4006 | |
| 4007 | void ipa3_active_clients_log_dec(struct ipa_active_client_logging_info *id, |
| 4008 | bool int_ctx) |
| 4009 | { |
| 4010 | ipa3_active_clients_log_mod(id, false, int_ctx); |
| 4011 | } |
| 4012 | |
| 4013 | void ipa3_active_clients_log_inc(struct ipa_active_client_logging_info *id, |
| 4014 | bool int_ctx) |
| 4015 | { |
| 4016 | ipa3_active_clients_log_mod(id, true, int_ctx); |
| 4017 | } |
| 4018 | |
| 4019 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 4020 | * ipa3_inc_client_enable_clks() - Increase active clients counter, and |
| 4021 | * enable ipa clocks if necessary |
| 4022 | * |
| 4023 | * Return codes: |
| 4024 | * None |
| 4025 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4026 | void ipa3_inc_client_enable_clks(struct ipa_active_client_logging_info *id) |
| 4027 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4028 | int ret; |
| 4029 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4030 | ipa3_active_clients_log_inc(id, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4031 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 4032 | if (ret) { |
| 4033 | IPADBG_LOW("active clients = %d\n", |
| 4034 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 4035 | return; |
| 4036 | } |
| 4037 | |
| 4038 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 4039 | |
| 4040 | /* somebody might voted to clocks meanwhile */ |
| 4041 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 4042 | if (ret) { |
| 4043 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 4044 | IPADBG_LOW("active clients = %d\n", |
| 4045 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 4046 | return; |
| 4047 | } |
| 4048 | |
| 4049 | ipa3_enable_clks(); |
| 4050 | atomic_inc(&ipa3_ctx->ipa3_active_clients.cnt); |
| 4051 | IPADBG_LOW("active clients = %d\n", |
| 4052 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 4053 | ipa3_suspend_apps_pipes(false); |
| 4054 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4055 | } |
| 4056 | |
| 4057 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 4058 | * ipa3_inc_client_enable_clks_no_block() - Only increment the number of active |
| 4059 | * clients if no asynchronous actions should be done. Asynchronous actions are |
| 4060 | * locking a mutex and waking up IPA HW. |
| 4061 | * |
| 4062 | * Return codes: 0 for success |
| 4063 | * -EPERM if an asynchronous action should have been done |
| 4064 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4065 | int ipa3_inc_client_enable_clks_no_block(struct ipa_active_client_logging_info |
| 4066 | *id) |
| 4067 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4068 | int ret; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4069 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4070 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 4071 | if (ret) { |
| 4072 | ipa3_active_clients_log_inc(id, true); |
| 4073 | IPADBG_LOW("active clients = %d\n", |
| 4074 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 4075 | return 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4076 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4077 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4078 | return -EPERM; |
| 4079 | } |
| 4080 | |
| 4081 | static void __ipa3_dec_client_disable_clks(void) |
| 4082 | { |
| 4083 | int ret; |
| 4084 | |
| 4085 | if (!atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)) { |
| 4086 | IPAERR("trying to disable clocks with refcnt is 0!\n"); |
| 4087 | ipa_assert(); |
| 4088 | return; |
| 4089 | } |
| 4090 | |
| 4091 | ret = atomic_add_unless(&ipa3_ctx->ipa3_active_clients.cnt, -1, 1); |
| 4092 | if (ret) |
| 4093 | goto bail; |
| 4094 | |
| 4095 | /* seems like this is the only client holding the clocks */ |
| 4096 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 4097 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) == 1 && |
| 4098 | ipa3_ctx->tag_process_before_gating) { |
| 4099 | ipa3_ctx->tag_process_before_gating = false; |
| 4100 | /* |
| 4101 | * When TAG process ends, active clients will be |
| 4102 | * decreased |
| 4103 | */ |
| 4104 | queue_work(ipa3_ctx->power_mgmt_wq, &ipa3_tag_work); |
| 4105 | goto unlock_mutex; |
| 4106 | } |
| 4107 | |
| 4108 | /* a different context might increase the clock reference meanwhile */ |
| 4109 | ret = atomic_sub_return(1, &ipa3_ctx->ipa3_active_clients.cnt); |
| 4110 | if (ret > 0) |
| 4111 | goto unlock_mutex; |
| 4112 | ipa3_disable_clks(); |
| 4113 | |
| 4114 | unlock_mutex: |
| 4115 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 4116 | bail: |
| 4117 | IPADBG_LOW("active clients = %d\n", |
| 4118 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4119 | } |
| 4120 | |
| 4121 | /** |
| 4122 | * ipa3_dec_client_disable_clks() - Decrease active clients counter |
| 4123 | * |
| 4124 | * In case that there are no active clients this function also starts |
| 4125 | * TAG process. When TAG progress ends ipa clocks will be gated. |
| 4126 | * start_tag_process_again flag is set during this function to signal TAG |
| 4127 | * process to start again as there was another client that may send data to ipa |
| 4128 | * |
| 4129 | * Return codes: |
| 4130 | * None |
| 4131 | */ |
| 4132 | void ipa3_dec_client_disable_clks(struct ipa_active_client_logging_info *id) |
| 4133 | { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4134 | ipa3_active_clients_log_dec(id, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4135 | __ipa3_dec_client_disable_clks(); |
| 4136 | } |
| 4137 | |
| 4138 | static void ipa_dec_clients_disable_clks_on_wq(struct work_struct *work) |
| 4139 | { |
| 4140 | __ipa3_dec_client_disable_clks(); |
| 4141 | } |
| 4142 | |
| 4143 | /** |
| 4144 | * ipa3_dec_client_disable_clks_no_block() - Decrease active clients counter |
| 4145 | * if possible without blocking. If this is the last client then the desrease |
| 4146 | * will happen from work queue context. |
| 4147 | * |
| 4148 | * Return codes: |
| 4149 | * None |
| 4150 | */ |
| 4151 | void ipa3_dec_client_disable_clks_no_block( |
| 4152 | struct ipa_active_client_logging_info *id) |
| 4153 | { |
| 4154 | int ret; |
| 4155 | |
| 4156 | ipa3_active_clients_log_dec(id, true); |
| 4157 | ret = atomic_add_unless(&ipa3_ctx->ipa3_active_clients.cnt, -1, 1); |
| 4158 | if (ret) { |
| 4159 | IPADBG_LOW("active clients = %d\n", |
| 4160 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 4161 | return; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4162 | } |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4163 | |
| 4164 | /* seems like this is the only client holding the clocks */ |
| 4165 | queue_work(ipa3_ctx->power_mgmt_wq, |
| 4166 | &ipa_dec_clients_disable_clks_on_wq_work); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4167 | } |
| 4168 | |
| 4169 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 4170 | * ipa3_inc_acquire_wakelock() - Increase active clients counter, and |
| 4171 | * acquire wakelock if necessary |
| 4172 | * |
| 4173 | * Return codes: |
| 4174 | * None |
| 4175 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4176 | void ipa3_inc_acquire_wakelock(void) |
| 4177 | { |
| 4178 | unsigned long flags; |
| 4179 | |
| 4180 | spin_lock_irqsave(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 4181 | ipa3_ctx->wakelock_ref_cnt.cnt++; |
| 4182 | if (ipa3_ctx->wakelock_ref_cnt.cnt == 1) |
| 4183 | __pm_stay_awake(&ipa3_ctx->w_lock); |
| 4184 | IPADBG_LOW("active wakelock ref cnt = %d\n", |
| 4185 | ipa3_ctx->wakelock_ref_cnt.cnt); |
| 4186 | spin_unlock_irqrestore(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 4187 | } |
| 4188 | |
| 4189 | /** |
| 4190 | * ipa3_dec_release_wakelock() - Decrease active clients counter |
| 4191 | * |
| 4192 | * In case if the ref count is 0, release the wakelock. |
| 4193 | * |
| 4194 | * Return codes: |
| 4195 | * None |
| 4196 | */ |
| 4197 | void ipa3_dec_release_wakelock(void) |
| 4198 | { |
| 4199 | unsigned long flags; |
| 4200 | |
| 4201 | spin_lock_irqsave(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 4202 | ipa3_ctx->wakelock_ref_cnt.cnt--; |
| 4203 | IPADBG_LOW("active wakelock ref cnt = %d\n", |
| 4204 | ipa3_ctx->wakelock_ref_cnt.cnt); |
| 4205 | if (ipa3_ctx->wakelock_ref_cnt.cnt == 0) |
| 4206 | __pm_relax(&ipa3_ctx->w_lock); |
| 4207 | spin_unlock_irqrestore(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 4208 | } |
| 4209 | |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 4210 | int ipa3_set_clock_plan_from_pm(int idx) |
| 4211 | { |
| 4212 | u32 clk_rate; |
| 4213 | |
Michael Adisumarta | 9cb4d21 | 2018-05-14 18:35:41 -0700 | [diff] [blame] | 4214 | IPADBG_LOW("idx = %d\n", idx); |
| 4215 | |
| 4216 | if (!ipa3_ctx->enable_clock_scaling) { |
| 4217 | ipa3_ctx->ipa3_active_clients.bus_vote_idx = idx; |
Michael Adisumarta | fd2d2fc9 | 2017-12-11 11:34:02 -0800 | [diff] [blame] | 4218 | return 0; |
Michael Adisumarta | 9cb4d21 | 2018-05-14 18:35:41 -0700 | [diff] [blame] | 4219 | } |
Michael Adisumarta | fd2d2fc9 | 2017-12-11 11:34:02 -0800 | [diff] [blame] | 4220 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 4221 | if (ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_NORMAL) { |
| 4222 | IPAERR("not supported in this mode\n"); |
| 4223 | return 0; |
| 4224 | } |
| 4225 | |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 4226 | if (idx <= 0 || idx >= ipa3_ctx->ctrl->msm_bus_data_ptr->num_usecases) { |
| 4227 | IPAERR("bad voltage\n"); |
| 4228 | return -EINVAL; |
| 4229 | } |
| 4230 | |
| 4231 | if (idx == 1) |
Michael Adisumarta | fd2d2fc9 | 2017-12-11 11:34:02 -0800 | [diff] [blame] | 4232 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs2; |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 4233 | else if (idx == 2) |
Michael Adisumarta | fd2d2fc9 | 2017-12-11 11:34:02 -0800 | [diff] [blame] | 4234 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs; |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 4235 | else if (idx == 3) |
Michael Adisumarta | fd2d2fc9 | 2017-12-11 11:34:02 -0800 | [diff] [blame] | 4236 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_nominal; |
| 4237 | else if (idx == 4) |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 4238 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 4239 | else { |
| 4240 | IPAERR("bad voltage\n"); |
| 4241 | WARN_ON(1); |
| 4242 | return -EFAULT; |
| 4243 | } |
| 4244 | |
| 4245 | if (clk_rate == ipa3_ctx->curr_ipa_clk_rate) { |
| 4246 | IPADBG_LOW("Same voltage\n"); |
| 4247 | return 0; |
| 4248 | } |
| 4249 | |
| 4250 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 4251 | ipa3_ctx->curr_ipa_clk_rate = clk_rate; |
| 4252 | ipa3_ctx->ipa3_active_clients.bus_vote_idx = idx; |
| 4253 | IPADBG_LOW("setting clock rate to %u\n", ipa3_ctx->curr_ipa_clk_rate); |
| 4254 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) > 0) { |
| 4255 | if (ipa3_clk) |
| 4256 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
| 4257 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
| 4258 | ipa3_get_bus_vote())) |
| 4259 | WARN_ON(1); |
| 4260 | } else { |
| 4261 | IPADBG_LOW("clocks are gated, not setting rate\n"); |
| 4262 | } |
| 4263 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 4264 | IPADBG_LOW("Done\n"); |
| 4265 | |
| 4266 | return 0; |
| 4267 | } |
| 4268 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4269 | int ipa3_set_required_perf_profile(enum ipa_voltage_level floor_voltage, |
| 4270 | u32 bandwidth_mbps) |
| 4271 | { |
| 4272 | enum ipa_voltage_level needed_voltage; |
| 4273 | u32 clk_rate; |
| 4274 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 4275 | if (ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_NORMAL) { |
| 4276 | IPAERR("not supported in this mode\n"); |
| 4277 | return 0; |
| 4278 | } |
| 4279 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4280 | IPADBG_LOW("floor_voltage=%d, bandwidth_mbps=%u", |
| 4281 | floor_voltage, bandwidth_mbps); |
| 4282 | |
| 4283 | if (floor_voltage < IPA_VOLTAGE_UNSPECIFIED || |
| 4284 | floor_voltage >= IPA_VOLTAGE_MAX) { |
| 4285 | IPAERR("bad voltage\n"); |
| 4286 | return -EINVAL; |
| 4287 | } |
| 4288 | |
| 4289 | if (ipa3_ctx->enable_clock_scaling) { |
| 4290 | IPADBG_LOW("Clock scaling is enabled\n"); |
| 4291 | if (bandwidth_mbps >= |
| 4292 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_turbo) |
| 4293 | needed_voltage = IPA_VOLTAGE_TURBO; |
| 4294 | else if (bandwidth_mbps >= |
| 4295 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_nominal) |
| 4296 | needed_voltage = IPA_VOLTAGE_NOMINAL; |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 4297 | else if (bandwidth_mbps >= |
| 4298 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_svs) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4299 | needed_voltage = IPA_VOLTAGE_SVS; |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 4300 | else |
| 4301 | needed_voltage = IPA_VOLTAGE_SVS2; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4302 | } else { |
| 4303 | IPADBG_LOW("Clock scaling is disabled\n"); |
| 4304 | needed_voltage = IPA_VOLTAGE_NOMINAL; |
| 4305 | } |
| 4306 | |
| 4307 | needed_voltage = max(needed_voltage, floor_voltage); |
| 4308 | switch (needed_voltage) { |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 4309 | case IPA_VOLTAGE_SVS2: |
| 4310 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs2; |
| 4311 | break; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4312 | case IPA_VOLTAGE_SVS: |
| 4313 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs; |
| 4314 | break; |
| 4315 | case IPA_VOLTAGE_NOMINAL: |
| 4316 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_nominal; |
| 4317 | break; |
| 4318 | case IPA_VOLTAGE_TURBO: |
| 4319 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 4320 | break; |
| 4321 | default: |
| 4322 | IPAERR("bad voltage\n"); |
| 4323 | WARN_ON(1); |
| 4324 | return -EFAULT; |
| 4325 | } |
| 4326 | |
| 4327 | if (clk_rate == ipa3_ctx->curr_ipa_clk_rate) { |
| 4328 | IPADBG_LOW("Same voltage\n"); |
| 4329 | return 0; |
| 4330 | } |
| 4331 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4332 | /* Hold the mutex to avoid race conditions with ipa3_enable_clocks() */ |
| 4333 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4334 | ipa3_ctx->curr_ipa_clk_rate = clk_rate; |
| 4335 | IPADBG_LOW("setting clock rate to %u\n", ipa3_ctx->curr_ipa_clk_rate); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4336 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) > 0) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4337 | if (ipa3_clk) |
| 4338 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
| 4339 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4340 | ipa3_get_bus_vote())) |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4341 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4342 | } else { |
| 4343 | IPADBG_LOW("clocks are gated, not setting rate\n"); |
| 4344 | } |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4345 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4346 | IPADBG_LOW("Done\n"); |
Skylar Chang | 1cbe99c | 2017-05-01 13:44:03 -0700 | [diff] [blame] | 4347 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4348 | return 0; |
| 4349 | } |
| 4350 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4351 | static void ipa3_process_irq_schedule_rel(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4352 | { |
| 4353 | queue_delayed_work(ipa3_ctx->transport_power_mgmt_wq, |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4354 | &ipa3_transport_release_resource_work, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4355 | msecs_to_jiffies(IPA_TRANSPORT_PROD_TIMEOUT_MSEC)); |
| 4356 | } |
| 4357 | |
| 4358 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 4359 | * ipa3_suspend_handler() - Handles the suspend interrupt: |
| 4360 | * wakes up the suspended peripheral by requesting its consumer |
| 4361 | * @interrupt: Interrupt type |
| 4362 | * @private_data: The client's private data |
| 4363 | * @interrupt_data: Interrupt specific information data |
| 4364 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4365 | void ipa3_suspend_handler(enum ipa_irq_type interrupt, |
| 4366 | void *private_data, |
| 4367 | void *interrupt_data) |
| 4368 | { |
| 4369 | enum ipa_rm_resource_name resource; |
| 4370 | u32 suspend_data = |
| 4371 | ((struct ipa_tx_suspend_irq_data *)interrupt_data)->endpoints; |
| 4372 | u32 bmsk = 1; |
| 4373 | u32 i = 0; |
| 4374 | int res; |
| 4375 | struct ipa_ep_cfg_holb holb_cfg; |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4376 | u32 pipe_bitmask = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4377 | |
| 4378 | IPADBG("interrupt=%d, interrupt_data=%u\n", |
| 4379 | interrupt, suspend_data); |
| 4380 | memset(&holb_cfg, 0, sizeof(holb_cfg)); |
| 4381 | holb_cfg.tmr_val = 0; |
| 4382 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4383 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++, bmsk = bmsk << 1) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4384 | if ((suspend_data & bmsk) && (ipa3_ctx->ep[i].valid)) { |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4385 | if (ipa3_ctx->use_ipa_pm) { |
| 4386 | pipe_bitmask |= bmsk; |
| 4387 | continue; |
| 4388 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4389 | if (IPA_CLIENT_IS_APPS_CONS(ipa3_ctx->ep[i].client)) { |
| 4390 | /* |
| 4391 | * pipe will be unsuspended as part of |
| 4392 | * enabling IPA clocks |
| 4393 | */ |
Skylar Chang | 0d06bb1 | 2017-02-24 11:22:03 -0800 | [diff] [blame] | 4394 | mutex_lock(&ipa3_ctx->transport_pm. |
| 4395 | transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4396 | if (!atomic_read( |
| 4397 | &ipa3_ctx->transport_pm.dec_clients) |
| 4398 | ) { |
| 4399 | IPA_ACTIVE_CLIENTS_INC_EP( |
| 4400 | ipa3_ctx->ep[i].client); |
| 4401 | IPADBG_LOW("Pipes un-suspended.\n"); |
| 4402 | IPADBG_LOW("Enter poll mode.\n"); |
| 4403 | atomic_set( |
| 4404 | &ipa3_ctx->transport_pm.dec_clients, |
| 4405 | 1); |
Skylar Chang | 9e3b649 | 2017-11-07 09:49:48 -0800 | [diff] [blame] | 4406 | /* |
| 4407 | * acquire wake lock as long as suspend |
| 4408 | * vote is held |
| 4409 | */ |
| 4410 | ipa3_inc_acquire_wakelock(); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4411 | ipa3_process_irq_schedule_rel(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4412 | } |
Skylar Chang | 0d06bb1 | 2017-02-24 11:22:03 -0800 | [diff] [blame] | 4413 | mutex_unlock(&ipa3_ctx->transport_pm. |
| 4414 | transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4415 | } else { |
| 4416 | resource = ipa3_get_rm_resource_from_ep(i); |
| 4417 | res = |
| 4418 | ipa_rm_request_resource_with_timer(resource); |
| 4419 | if (res == -EPERM && |
| 4420 | IPA_CLIENT_IS_CONS( |
| 4421 | ipa3_ctx->ep[i].client)) { |
| 4422 | holb_cfg.en = 1; |
| 4423 | res = ipa3_cfg_ep_holb_by_client( |
| 4424 | ipa3_ctx->ep[i].client, &holb_cfg); |
| 4425 | if (res) { |
| 4426 | IPAERR("holb en fail, stall\n"); |
| 4427 | BUG(); |
| 4428 | } |
| 4429 | } |
| 4430 | } |
| 4431 | } |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4432 | } |
| 4433 | if (ipa3_ctx->use_ipa_pm) { |
| 4434 | res = ipa_pm_handle_suspend(pipe_bitmask); |
| 4435 | if (res) { |
| 4436 | IPAERR("ipa_pm_handle_suspend failed %d\n", res); |
| 4437 | return; |
| 4438 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4439 | } |
| 4440 | } |
| 4441 | |
| 4442 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 4443 | * ipa3_restore_suspend_handler() - restores the original suspend IRQ handler |
| 4444 | * as it was registered in the IPA init sequence. |
| 4445 | * Return codes: |
| 4446 | * 0: success |
| 4447 | * -EPERM: failed to remove current handler or failed to add original handler |
| 4448 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4449 | int ipa3_restore_suspend_handler(void) |
| 4450 | { |
| 4451 | int result = 0; |
| 4452 | |
| 4453 | result = ipa3_remove_interrupt_handler(IPA_TX_SUSPEND_IRQ); |
| 4454 | if (result) { |
| 4455 | IPAERR("remove handler for suspend interrupt failed\n"); |
| 4456 | return -EPERM; |
| 4457 | } |
| 4458 | |
| 4459 | result = ipa3_add_interrupt_handler(IPA_TX_SUSPEND_IRQ, |
| 4460 | ipa3_suspend_handler, false, NULL); |
| 4461 | if (result) { |
| 4462 | IPAERR("register handler for suspend interrupt failed\n"); |
| 4463 | result = -EPERM; |
| 4464 | } |
| 4465 | |
| 4466 | IPADBG("suspend handler successfully restored\n"); |
| 4467 | |
| 4468 | return result; |
| 4469 | } |
| 4470 | |
| 4471 | static int ipa3_apps_cons_release_resource(void) |
| 4472 | { |
| 4473 | return 0; |
| 4474 | } |
| 4475 | |
| 4476 | static int ipa3_apps_cons_request_resource(void) |
| 4477 | { |
| 4478 | return 0; |
| 4479 | } |
| 4480 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4481 | static void ipa3_transport_release_resource(struct work_struct *work) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4482 | { |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 4483 | mutex_lock(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4484 | /* check whether still need to decrease client usage */ |
| 4485 | if (atomic_read(&ipa3_ctx->transport_pm.dec_clients)) { |
| 4486 | if (atomic_read(&ipa3_ctx->transport_pm.eot_activity)) { |
| 4487 | IPADBG("EOT pending Re-scheduling\n"); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4488 | ipa3_process_irq_schedule_rel(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4489 | } else { |
| 4490 | atomic_set(&ipa3_ctx->transport_pm.dec_clients, 0); |
Skylar Chang | 9e3b649 | 2017-11-07 09:49:48 -0800 | [diff] [blame] | 4491 | ipa3_dec_release_wakelock(); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4492 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("TRANSPORT_RESOURCE"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4493 | } |
| 4494 | } |
| 4495 | atomic_set(&ipa3_ctx->transport_pm.eot_activity, 0); |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 4496 | mutex_unlock(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4497 | } |
| 4498 | |
| 4499 | int ipa3_create_apps_resource(void) |
| 4500 | { |
| 4501 | struct ipa_rm_create_params apps_cons_create_params; |
| 4502 | struct ipa_rm_perf_profile profile; |
| 4503 | int result = 0; |
| 4504 | |
| 4505 | memset(&apps_cons_create_params, 0, |
| 4506 | sizeof(apps_cons_create_params)); |
| 4507 | apps_cons_create_params.name = IPA_RM_RESOURCE_APPS_CONS; |
| 4508 | apps_cons_create_params.request_resource = |
| 4509 | ipa3_apps_cons_request_resource; |
| 4510 | apps_cons_create_params.release_resource = |
| 4511 | ipa3_apps_cons_release_resource; |
| 4512 | result = ipa_rm_create_resource(&apps_cons_create_params); |
| 4513 | if (result) { |
| 4514 | IPAERR("ipa_rm_create_resource failed\n"); |
| 4515 | return result; |
| 4516 | } |
| 4517 | |
| 4518 | profile.max_supported_bandwidth_mbps = IPA_APPS_MAX_BW_IN_MBPS; |
| 4519 | ipa_rm_set_perf_profile(IPA_RM_RESOURCE_APPS_CONS, &profile); |
| 4520 | |
| 4521 | return result; |
| 4522 | } |
| 4523 | |
| 4524 | /** |
| 4525 | * ipa3_init_interrupts() - Register to IPA IRQs |
| 4526 | * |
| 4527 | * Return codes: 0 in success, negative in failure |
| 4528 | * |
| 4529 | */ |
| 4530 | int ipa3_init_interrupts(void) |
| 4531 | { |
| 4532 | int result; |
| 4533 | |
| 4534 | /*register IPA IRQ handler*/ |
| 4535 | result = ipa3_interrupts_init(ipa3_res.ipa_irq, 0, |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 4536 | &ipa3_ctx->master_pdev->dev); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4537 | if (result) { |
| 4538 | IPAERR("ipa interrupts initialization failed\n"); |
| 4539 | return -ENODEV; |
| 4540 | } |
| 4541 | |
| 4542 | /*add handler for suspend interrupt*/ |
| 4543 | result = ipa3_add_interrupt_handler(IPA_TX_SUSPEND_IRQ, |
| 4544 | ipa3_suspend_handler, false, NULL); |
| 4545 | if (result) { |
| 4546 | IPAERR("register handler for suspend interrupt failed\n"); |
| 4547 | result = -ENODEV; |
| 4548 | goto fail_add_interrupt_handler; |
| 4549 | } |
| 4550 | |
| 4551 | return 0; |
| 4552 | |
| 4553 | fail_add_interrupt_handler: |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 4554 | free_irq(ipa3_res.ipa_irq, &ipa3_ctx->master_pdev->dev); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4555 | return result; |
| 4556 | } |
| 4557 | |
| 4558 | /** |
| 4559 | * ipa3_destroy_flt_tbl_idrs() - destroy the idr structure for flt tables |
| 4560 | * The idr strcuture per filtering table is intended for rule id generation |
| 4561 | * per filtering rule. |
| 4562 | */ |
| 4563 | static void ipa3_destroy_flt_tbl_idrs(void) |
| 4564 | { |
| 4565 | int i; |
| 4566 | struct ipa3_flt_tbl *flt_tbl; |
| 4567 | |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4568 | idr_destroy(&ipa3_ctx->flt_rule_ids[IPA_IP_v4]); |
| 4569 | idr_destroy(&ipa3_ctx->flt_rule_ids[IPA_IP_v6]); |
| 4570 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4571 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 4572 | if (!ipa_is_ep_support_flt(i)) |
| 4573 | continue; |
| 4574 | |
| 4575 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v4]; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4576 | flt_tbl->rule_ids = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4577 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v6]; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4578 | flt_tbl->rule_ids = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4579 | } |
| 4580 | } |
| 4581 | |
| 4582 | static void ipa3_freeze_clock_vote_and_notify_modem(void) |
| 4583 | { |
| 4584 | int res; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4585 | struct ipa_active_client_logging_info log_info; |
| 4586 | |
| 4587 | if (ipa3_ctx->smp2p_info.res_sent) |
| 4588 | return; |
| 4589 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4590 | if (ipa3_ctx->smp2p_info.out_base_id == 0) { |
| 4591 | IPAERR("smp2p out gpio not assigned\n"); |
| 4592 | return; |
| 4593 | } |
| 4594 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4595 | IPA_ACTIVE_CLIENTS_PREP_SPECIAL(log_info, "FREEZE_VOTE"); |
| 4596 | res = ipa3_inc_client_enable_clks_no_block(&log_info); |
| 4597 | if (res) |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4598 | ipa3_ctx->smp2p_info.ipa_clk_on = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4599 | else |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4600 | ipa3_ctx->smp2p_info.ipa_clk_on = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4601 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4602 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4603 | IPA_GPIO_OUT_CLK_VOTE_IDX, |
| 4604 | ipa3_ctx->smp2p_info.ipa_clk_on); |
| 4605 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4606 | IPA_GPIO_OUT_CLK_RSP_CMPLT_IDX, 1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4607 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4608 | ipa3_ctx->smp2p_info.res_sent = true; |
| 4609 | IPADBG("IPA clocks are %s\n", |
| 4610 | ipa3_ctx->smp2p_info.ipa_clk_on ? "ON" : "OFF"); |
| 4611 | } |
| 4612 | |
| 4613 | void ipa3_reset_freeze_vote(void) |
| 4614 | { |
| 4615 | if (ipa3_ctx->smp2p_info.res_sent == false) |
| 4616 | return; |
| 4617 | |
| 4618 | if (ipa3_ctx->smp2p_info.ipa_clk_on) |
| 4619 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("FREEZE_VOTE"); |
| 4620 | |
| 4621 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4622 | IPA_GPIO_OUT_CLK_VOTE_IDX, 0); |
| 4623 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4624 | IPA_GPIO_OUT_CLK_RSP_CMPLT_IDX, 0); |
| 4625 | |
| 4626 | ipa3_ctx->smp2p_info.res_sent = false; |
| 4627 | ipa3_ctx->smp2p_info.ipa_clk_on = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4628 | } |
| 4629 | |
| 4630 | static int ipa3_panic_notifier(struct notifier_block *this, |
| 4631 | unsigned long event, void *ptr) |
| 4632 | { |
| 4633 | int res; |
| 4634 | |
| 4635 | ipa3_freeze_clock_vote_and_notify_modem(); |
| 4636 | |
| 4637 | IPADBG("Calling uC panic handler\n"); |
| 4638 | res = ipa3_uc_panic_notifier(this, event, ptr); |
| 4639 | if (res) |
| 4640 | IPAERR("uC panic handler failed %d\n", res); |
| 4641 | |
Michael Adisumarta | edba22d | 2018-04-19 12:28:33 -0700 | [diff] [blame] | 4642 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) != 0) |
Michael Adisumarta | c50b800 | 2018-06-13 15:21:07 -0700 | [diff] [blame] | 4643 | ipahal_print_all_regs(false); |
Michael Adisumarta | edba22d | 2018-04-19 12:28:33 -0700 | [diff] [blame] | 4644 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4645 | return NOTIFY_DONE; |
| 4646 | } |
| 4647 | |
| 4648 | static struct notifier_block ipa3_panic_blk = { |
| 4649 | .notifier_call = ipa3_panic_notifier, |
| 4650 | /* IPA panic handler needs to run before modem shuts down */ |
| 4651 | .priority = INT_MAX, |
| 4652 | }; |
| 4653 | |
| 4654 | static void ipa3_register_panic_hdlr(void) |
| 4655 | { |
| 4656 | atomic_notifier_chain_register(&panic_notifier_list, |
| 4657 | &ipa3_panic_blk); |
| 4658 | } |
| 4659 | |
| 4660 | static void ipa3_trigger_ipa_ready_cbs(void) |
| 4661 | { |
| 4662 | struct ipa3_ready_cb_info *info; |
| 4663 | |
| 4664 | mutex_lock(&ipa3_ctx->lock); |
| 4665 | |
| 4666 | /* Call all the CBs */ |
| 4667 | list_for_each_entry(info, &ipa3_ctx->ipa_ready_cb_list, link) |
| 4668 | if (info->ready_cb) |
| 4669 | info->ready_cb(info->user_data); |
| 4670 | |
| 4671 | mutex_unlock(&ipa3_ctx->lock); |
| 4672 | } |
| 4673 | |
| 4674 | static int ipa3_gsi_pre_fw_load_init(void) |
| 4675 | { |
| 4676 | int result; |
| 4677 | |
| 4678 | result = gsi_configure_regs(ipa3_res.transport_mem_base, |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 4679 | ipa3_res.transport_mem_size, |
| 4680 | ipa3_res.ipa_mem_base); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4681 | if (result) { |
| 4682 | IPAERR("Failed to configure GSI registers\n"); |
| 4683 | return -EINVAL; |
| 4684 | } |
| 4685 | |
| 4686 | return 0; |
| 4687 | } |
| 4688 | |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4689 | static void ipa3_uc_is_loaded(void) |
| 4690 | { |
| 4691 | IPADBG("\n"); |
| 4692 | complete_all(&ipa3_ctx->uc_loaded_completion_obj); |
| 4693 | } |
| 4694 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 4695 | static enum gsi_ver ipa3_get_gsi_ver(enum ipa_hw_type ipa_hw_type) |
| 4696 | { |
| 4697 | enum gsi_ver gsi_ver; |
| 4698 | |
| 4699 | switch (ipa_hw_type) { |
| 4700 | case IPA_HW_v3_0: |
| 4701 | case IPA_HW_v3_1: |
| 4702 | gsi_ver = GSI_VER_1_0; |
| 4703 | break; |
| 4704 | case IPA_HW_v3_5: |
| 4705 | gsi_ver = GSI_VER_1_2; |
| 4706 | break; |
| 4707 | case IPA_HW_v3_5_1: |
| 4708 | gsi_ver = GSI_VER_1_3; |
| 4709 | break; |
Michael Adisumarta | 891a4ff | 2017-05-16 16:40:06 -0700 | [diff] [blame] | 4710 | case IPA_HW_v4_0: |
| 4711 | gsi_ver = GSI_VER_2_0; |
| 4712 | break; |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 4713 | default: |
| 4714 | IPAERR("No GSI version for ipa type %d\n", ipa_hw_type); |
| 4715 | WARN_ON(1); |
| 4716 | gsi_ver = GSI_VER_ERR; |
| 4717 | } |
| 4718 | |
| 4719 | IPADBG("GSI version %d\n", gsi_ver); |
| 4720 | |
| 4721 | return gsi_ver; |
| 4722 | } |
| 4723 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4724 | /** |
| 4725 | * ipa3_post_init() - Initialize the IPA Driver (Part II). |
| 4726 | * This part contains all initialization which requires interaction with |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4727 | * IPA HW (via GSI). |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4728 | * |
| 4729 | * @resource_p: contain platform specific values from DST file |
| 4730 | * @pdev: The platform device structure representing the IPA driver |
| 4731 | * |
| 4732 | * Function initialization process: |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4733 | * - Initialize endpoints bitmaps |
| 4734 | * - Initialize resource groups min and max values |
| 4735 | * - Initialize filtering lists heads and idr |
| 4736 | * - Initialize interrupts |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4737 | * - Register GSI |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4738 | * - Setup APPS pipes |
| 4739 | * - Initialize tethering bridge |
| 4740 | * - Initialize IPA debugfs |
| 4741 | * - Initialize IPA uC interface |
| 4742 | * - Initialize WDI interface |
| 4743 | * - Initialize USB interface |
| 4744 | * - Register for panic handler |
| 4745 | * - Trigger IPA ready callbacks (to all subscribers) |
| 4746 | * - Trigger IPA completion object (to all who wait on it) |
| 4747 | */ |
| 4748 | static int ipa3_post_init(const struct ipa3_plat_drv_res *resource_p, |
| 4749 | struct device *ipa_dev) |
| 4750 | { |
| 4751 | int result; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4752 | struct gsi_per_props gsi_props; |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4753 | struct ipa3_uc_hdlrs uc_hdlrs = { 0 }; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4754 | struct ipa3_flt_tbl *flt_tbl; |
| 4755 | int i; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4756 | struct idr *idr; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4757 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 4758 | if (ipa3_ctx == NULL) { |
| 4759 | IPADBG("IPA driver haven't initialized\n"); |
| 4760 | return -ENXIO; |
| 4761 | } |
| 4762 | |
| 4763 | /* Prevent consequent calls from trying to load the FW again. */ |
| 4764 | if (ipa3_ctx->ipa_initialization_complete) |
| 4765 | return 0; |
Mohammed Javid | c6db336 | 2018-02-13 13:41:38 +0530 | [diff] [blame] | 4766 | |
| 4767 | IPADBG("active clients = %d\n", |
| 4768 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
Skylar Chang | 4043053 | 2017-07-06 14:31:57 -0700 | [diff] [blame] | 4769 | /* move proxy vote for modem on ipa3_post_init */ |
Mohammed Javid | c6db336 | 2018-02-13 13:41:38 +0530 | [diff] [blame] | 4770 | if (ipa3_ctx->ipa_hw_type != IPA_HW_v4_0) |
| 4771 | ipa3_proxy_clk_vote(); |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 4772 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 4773 | /* |
| 4774 | * SMMU was already attached if used, safe to do allocations |
| 4775 | * |
| 4776 | * NOTE WELL: On an emulation system, this allocation is done |
| 4777 | * in ipa3_pre_init() |
| 4778 | */ |
| 4779 | if (ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_EMULATION) { |
| 4780 | if (ipahal_init(ipa3_ctx->ipa_hw_type, ipa3_ctx->mmio, |
| 4781 | ipa3_ctx->pdev)) { |
| 4782 | IPAERR("fail to init ipahal\n"); |
| 4783 | result = -EFAULT; |
| 4784 | goto fail_ipahal; |
| 4785 | } |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 4786 | } |
| 4787 | |
| 4788 | result = ipa3_init_hw(); |
| 4789 | if (result) { |
| 4790 | IPAERR(":error initializing HW\n"); |
| 4791 | result = -ENODEV; |
| 4792 | goto fail_init_hw; |
| 4793 | } |
| 4794 | IPADBG("IPA HW initialization sequence completed"); |
| 4795 | |
| 4796 | ipa3_ctx->ipa_num_pipes = ipa3_get_num_pipes(); |
| 4797 | if (ipa3_ctx->ipa_num_pipes > IPA3_MAX_NUM_PIPES) { |
| 4798 | IPAERR("IPA has more pipes then supported has %d, max %d\n", |
| 4799 | ipa3_ctx->ipa_num_pipes, IPA3_MAX_NUM_PIPES); |
| 4800 | result = -ENODEV; |
| 4801 | goto fail_init_hw; |
| 4802 | } |
| 4803 | |
| 4804 | ipa3_ctx->ctrl->ipa_sram_read_settings(); |
| 4805 | IPADBG("SRAM, size: 0x%x, restricted bytes: 0x%x\n", |
| 4806 | ipa3_ctx->smem_sz, ipa3_ctx->smem_restricted_bytes); |
| 4807 | |
| 4808 | IPADBG("hdr_lcl=%u ip4_rt_hash=%u ip4_rt_nonhash=%u\n", |
| 4809 | ipa3_ctx->hdr_tbl_lcl, ipa3_ctx->ip4_rt_tbl_hash_lcl, |
| 4810 | ipa3_ctx->ip4_rt_tbl_nhash_lcl); |
| 4811 | |
| 4812 | IPADBG("ip6_rt_hash=%u ip6_rt_nonhash=%u\n", |
| 4813 | ipa3_ctx->ip6_rt_tbl_hash_lcl, ipa3_ctx->ip6_rt_tbl_nhash_lcl); |
| 4814 | |
| 4815 | IPADBG("ip4_flt_hash=%u ip4_flt_nonhash=%u\n", |
| 4816 | ipa3_ctx->ip4_flt_tbl_hash_lcl, |
| 4817 | ipa3_ctx->ip4_flt_tbl_nhash_lcl); |
| 4818 | |
| 4819 | IPADBG("ip6_flt_hash=%u ip6_flt_nonhash=%u\n", |
| 4820 | ipa3_ctx->ip6_flt_tbl_hash_lcl, |
| 4821 | ipa3_ctx->ip6_flt_tbl_nhash_lcl); |
| 4822 | |
| 4823 | if (ipa3_ctx->smem_reqd_sz > ipa3_ctx->smem_sz) { |
| 4824 | IPAERR("SW expect more core memory, needed %d, avail %d\n", |
| 4825 | ipa3_ctx->smem_reqd_sz, ipa3_ctx->smem_sz); |
| 4826 | result = -ENOMEM; |
| 4827 | goto fail_init_hw; |
| 4828 | } |
| 4829 | |
| 4830 | result = ipa3_allocate_dma_task_for_gsi(); |
| 4831 | if (result) { |
| 4832 | IPAERR("failed to allocate dma task\n"); |
| 4833 | goto fail_dma_task; |
| 4834 | } |
| 4835 | |
| 4836 | if (ipa3_nat_ipv6ct_init_devices()) { |
| 4837 | IPAERR("unable to init NAT and IPv6CT devices\n"); |
| 4838 | result = -ENODEV; |
| 4839 | goto fail_nat_ipv6ct_init_dev; |
| 4840 | } |
| 4841 | |
| 4842 | result = ipa3_alloc_pkt_init(); |
| 4843 | if (result) { |
| 4844 | IPAERR("Failed to alloc pkt_init payload\n"); |
| 4845 | result = -ENODEV; |
| 4846 | goto fail_allok_pkt_init; |
| 4847 | } |
| 4848 | |
| 4849 | if (ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5) |
| 4850 | ipa3_enable_dcd(); |
| 4851 | |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4852 | /* |
| 4853 | * indication whether working in MHI config or non MHI config is given |
| 4854 | * in ipa3_write which is launched before ipa3_post_init. i.e. from |
| 4855 | * this point it is safe to use ipa3_ep_mapping array and the correct |
| 4856 | * entry will be returned from ipa3_get_hw_type_index() |
| 4857 | */ |
| 4858 | ipa_init_ep_flt_bitmap(); |
| 4859 | IPADBG("EP with flt support bitmap 0x%x (%u pipes)\n", |
| 4860 | ipa3_ctx->ep_flt_bitmap, ipa3_ctx->ep_flt_num); |
| 4861 | |
| 4862 | /* Assign resource limitation to each group */ |
| 4863 | ipa3_set_resorce_groups_min_max_limits(); |
| 4864 | |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4865 | idr = &(ipa3_ctx->flt_rule_ids[IPA_IP_v4]); |
| 4866 | idr_init(idr); |
| 4867 | idr = &(ipa3_ctx->flt_rule_ids[IPA_IP_v6]); |
| 4868 | idr_init(idr); |
| 4869 | |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4870 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 4871 | if (!ipa_is_ep_support_flt(i)) |
| 4872 | continue; |
| 4873 | |
| 4874 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v4]; |
| 4875 | INIT_LIST_HEAD(&flt_tbl->head_flt_rule_list); |
| 4876 | flt_tbl->in_sys[IPA_RULE_HASHABLE] = |
| 4877 | !ipa3_ctx->ip4_flt_tbl_hash_lcl; |
| 4878 | flt_tbl->in_sys[IPA_RULE_NON_HASHABLE] = |
| 4879 | !ipa3_ctx->ip4_flt_tbl_nhash_lcl; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4880 | flt_tbl->rule_ids = &ipa3_ctx->flt_rule_ids[IPA_IP_v4]; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4881 | |
| 4882 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v6]; |
| 4883 | INIT_LIST_HEAD(&flt_tbl->head_flt_rule_list); |
| 4884 | flt_tbl->in_sys[IPA_RULE_HASHABLE] = |
| 4885 | !ipa3_ctx->ip6_flt_tbl_hash_lcl; |
| 4886 | flt_tbl->in_sys[IPA_RULE_NON_HASHABLE] = |
| 4887 | !ipa3_ctx->ip6_flt_tbl_nhash_lcl; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4888 | flt_tbl->rule_ids = &ipa3_ctx->flt_rule_ids[IPA_IP_v6]; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4889 | } |
| 4890 | |
| 4891 | if (!ipa3_ctx->apply_rg10_wa) { |
| 4892 | result = ipa3_init_interrupts(); |
| 4893 | if (result) { |
| 4894 | IPAERR("ipa initialization of interrupts failed\n"); |
| 4895 | result = -ENODEV; |
| 4896 | goto fail_register_device; |
| 4897 | } |
| 4898 | } else { |
| 4899 | IPADBG("Initialization of ipa interrupts skipped\n"); |
| 4900 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4901 | |
Amir Levy | 3afd94a | 2017-01-05 10:19:13 +0200 | [diff] [blame] | 4902 | /* |
Amir Levy | 5cfbb32 | 2017-01-09 14:53:02 +0200 | [diff] [blame] | 4903 | * IPAv3.5 and above requires to disable prefetch for USB in order |
Skylar Chang | 8409969 | 2018-04-24 14:43:03 -0700 | [diff] [blame] | 4904 | * to allow MBIM to work. |
Amir Levy | 3afd94a | 2017-01-05 10:19:13 +0200 | [diff] [blame] | 4905 | */ |
Michael Adisumarta | d68ab11 | 2017-06-14 11:40:06 -0700 | [diff] [blame] | 4906 | if ((ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5 |
| 4907 | && ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) && |
Amir Levy | 5cfbb32 | 2017-01-09 14:53:02 +0200 | [diff] [blame] | 4908 | (!ipa3_ctx->ipa_config_is_mhi)) |
Amir Levy | 3afd94a | 2017-01-05 10:19:13 +0200 | [diff] [blame] | 4909 | ipa3_disable_prefetch(IPA_CLIENT_USB_CONS); |
| 4910 | |
Skylar Chang | 8409969 | 2018-04-24 14:43:03 -0700 | [diff] [blame] | 4911 | if ((ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5 |
| 4912 | && ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) && |
| 4913 | (ipa3_ctx->ipa_config_is_mhi)) |
| 4914 | ipa3_disable_prefetch(IPA_CLIENT_MHI_CONS); |
| 4915 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4916 | memset(&gsi_props, 0, sizeof(gsi_props)); |
| 4917 | gsi_props.ver = ipa3_get_gsi_ver(resource_p->ipa_hw_type); |
| 4918 | gsi_props.ee = resource_p->ee; |
| 4919 | gsi_props.intr = GSI_INTR_IRQ; |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4920 | gsi_props.phys_addr = resource_p->transport_mem_base; |
| 4921 | gsi_props.size = resource_p->transport_mem_size; |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 4922 | if (ipa3_ctx->ipa3_hw_mode == IPA_HW_MODE_EMULATION) { |
| 4923 | gsi_props.irq = resource_p->emulator_irq; |
| 4924 | gsi_props.emulator_intcntrlr_client_isr = ipa3_get_isr(); |
| 4925 | gsi_props.emulator_intcntrlr_addr = |
| 4926 | resource_p->emulator_intcntrlr_mem_base; |
| 4927 | gsi_props.emulator_intcntrlr_size = |
| 4928 | resource_p->emulator_intcntrlr_mem_size; |
| 4929 | } else { |
| 4930 | gsi_props.irq = resource_p->transport_irq; |
| 4931 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4932 | gsi_props.notify_cb = ipa_gsi_notify_cb; |
| 4933 | gsi_props.req_clk_cb = NULL; |
| 4934 | gsi_props.rel_clk_cb = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4935 | |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 4936 | if (ipa3_ctx->ipa_config_is_mhi) { |
| 4937 | gsi_props.mhi_er_id_limits_valid = true; |
| 4938 | gsi_props.mhi_er_id_limits[0] = resource_p->mhi_evid_limits[0]; |
| 4939 | gsi_props.mhi_er_id_limits[1] = resource_p->mhi_evid_limits[1]; |
| 4940 | } |
| 4941 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4942 | result = gsi_register_device(&gsi_props, |
| 4943 | &ipa3_ctx->gsi_dev_hdl); |
| 4944 | if (result != GSI_STATUS_SUCCESS) { |
| 4945 | IPAERR(":gsi register error - %d\n", result); |
| 4946 | result = -ENODEV; |
| 4947 | goto fail_register_device; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4948 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4949 | IPADBG("IPA gsi is registered\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4950 | |
| 4951 | /* setup the AP-IPA pipes */ |
| 4952 | if (ipa3_setup_apps_pipes()) { |
| 4953 | IPAERR(":failed to setup IPA-Apps pipes\n"); |
| 4954 | result = -ENODEV; |
| 4955 | goto fail_setup_apps_pipes; |
| 4956 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4957 | IPADBG("IPA GPI pipes were connected\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4958 | |
| 4959 | if (ipa3_ctx->use_ipa_teth_bridge) { |
| 4960 | /* Initialize the tethering bridge driver */ |
| 4961 | result = ipa3_teth_bridge_driver_init(); |
| 4962 | if (result) { |
| 4963 | IPAERR(":teth_bridge init failed (%d)\n", -result); |
| 4964 | result = -ENODEV; |
| 4965 | goto fail_teth_bridge_driver_init; |
| 4966 | } |
| 4967 | IPADBG("teth_bridge initialized"); |
| 4968 | } |
| 4969 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4970 | result = ipa3_uc_interface_init(); |
| 4971 | if (result) |
| 4972 | IPAERR(":ipa Uc interface init failed (%d)\n", -result); |
| 4973 | else |
| 4974 | IPADBG(":ipa Uc interface init ok\n"); |
| 4975 | |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4976 | uc_hdlrs.ipa_uc_loaded_hdlr = ipa3_uc_is_loaded; |
| 4977 | ipa3_uc_register_handlers(IPA_HW_FEATURE_COMMON, &uc_hdlrs); |
| 4978 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4979 | result = ipa3_wdi_init(); |
| 4980 | if (result) |
| 4981 | IPAERR(":wdi init failed (%d)\n", -result); |
| 4982 | else |
| 4983 | IPADBG(":wdi init ok\n"); |
| 4984 | |
| 4985 | result = ipa3_ntn_init(); |
| 4986 | if (result) |
| 4987 | IPAERR(":ntn init failed (%d)\n", -result); |
| 4988 | else |
| 4989 | IPADBG(":ntn init ok\n"); |
| 4990 | |
Skylar Chang | 6f6e307 | 2017-07-28 10:03:47 -0700 | [diff] [blame] | 4991 | result = ipa_hw_stats_init(); |
| 4992 | if (result) |
| 4993 | IPAERR("fail to init stats %d\n", result); |
| 4994 | else |
| 4995 | IPADBG(":stats init ok\n"); |
| 4996 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4997 | ipa3_register_panic_hdlr(); |
| 4998 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 4999 | ipa3_debugfs_init(); |
| 5000 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5001 | mutex_lock(&ipa3_ctx->lock); |
| 5002 | ipa3_ctx->ipa_initialization_complete = true; |
| 5003 | mutex_unlock(&ipa3_ctx->lock); |
| 5004 | |
| 5005 | ipa3_trigger_ipa_ready_cbs(); |
| 5006 | complete_all(&ipa3_ctx->init_completion_obj); |
| 5007 | pr_info("IPA driver initialization was successful.\n"); |
| 5008 | |
| 5009 | return 0; |
| 5010 | |
| 5011 | fail_teth_bridge_driver_init: |
| 5012 | ipa3_teardown_apps_pipes(); |
| 5013 | fail_setup_apps_pipes: |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5014 | gsi_deregister_device(ipa3_ctx->gsi_dev_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5015 | fail_register_device: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5016 | ipa3_destroy_flt_tbl_idrs(); |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5017 | fail_allok_pkt_init: |
| 5018 | ipa3_nat_ipv6ct_destroy_devices(); |
| 5019 | fail_nat_ipv6ct_init_dev: |
| 5020 | ipa3_free_dma_task_for_gsi(); |
| 5021 | fail_dma_task: |
| 5022 | fail_init_hw: |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5023 | if (ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_EMULATION) |
| 5024 | ipahal_destroy(); |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5025 | fail_ipahal: |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5026 | ipa3_proxy_clk_unvote(); |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5027 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5028 | return result; |
| 5029 | } |
| 5030 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 5031 | static int ipa3_manual_load_ipa_fws(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5032 | { |
| 5033 | int result; |
| 5034 | const struct firmware *fw; |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5035 | const char *path = IPA_FWS_PATH; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5036 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5037 | if (ipa3_ctx->ipa3_hw_mode == IPA_HW_MODE_EMULATION) { |
| 5038 | switch (ipa3_get_emulation_type()) { |
| 5039 | case IPA_HW_v3_5_1: |
| 5040 | path = IPA_FWS_PATH_3_5_1; |
| 5041 | break; |
| 5042 | case IPA_HW_v4_0: |
| 5043 | path = IPA_FWS_PATH_4_0; |
| 5044 | break; |
| 5045 | default: |
| 5046 | break; |
| 5047 | } |
| 5048 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5049 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5050 | IPADBG("Manual FW loading (%s) process initiated\n", path); |
| 5051 | |
| 5052 | result = request_firmware(&fw, path, ipa3_ctx->cdev.dev); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5053 | if (result < 0) { |
| 5054 | IPAERR("request_firmware failed, error %d\n", result); |
| 5055 | return result; |
| 5056 | } |
| 5057 | if (fw == NULL) { |
| 5058 | IPAERR("Firmware is NULL!\n"); |
| 5059 | return -EINVAL; |
| 5060 | } |
| 5061 | |
| 5062 | IPADBG("FWs are available for loading\n"); |
| 5063 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5064 | if (ipa3_ctx->ipa3_hw_mode == IPA_HW_MODE_EMULATION) { |
| 5065 | result = emulator_load_fws(fw, |
| 5066 | ipa3_res.transport_mem_base, |
| 5067 | ipa3_res.transport_mem_size); |
| 5068 | } else { |
| 5069 | result = ipa3_load_fws(fw, ipa3_res.transport_mem_base); |
| 5070 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5071 | if (result) { |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 5072 | IPAERR("Manual IPA FWs loading has failed\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5073 | release_firmware(fw); |
| 5074 | return result; |
| 5075 | } |
| 5076 | |
| 5077 | result = gsi_enable_fw(ipa3_res.transport_mem_base, |
Amir Levy | 85dcd17 | 2016-12-06 17:47:39 +0200 | [diff] [blame] | 5078 | ipa3_res.transport_mem_size, |
| 5079 | ipa3_get_gsi_ver(ipa3_res.ipa_hw_type)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5080 | if (result) { |
| 5081 | IPAERR("Failed to enable GSI FW\n"); |
| 5082 | release_firmware(fw); |
| 5083 | return result; |
| 5084 | } |
| 5085 | |
| 5086 | release_firmware(fw); |
| 5087 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 5088 | IPADBG("Manual FW loading process is complete\n"); |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5089 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5090 | return 0; |
| 5091 | } |
| 5092 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 5093 | static int ipa3_pil_load_ipa_fws(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5094 | { |
| 5095 | void *subsystem_get_retval = NULL; |
| 5096 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 5097 | IPADBG("PIL FW loading process initiated\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5098 | |
| 5099 | subsystem_get_retval = subsystem_get(IPA_SUBSYSTEM_NAME); |
| 5100 | if (IS_ERR_OR_NULL(subsystem_get_retval)) { |
| 5101 | IPAERR("Unable to trigger PIL process for FW loading\n"); |
| 5102 | return -EINVAL; |
| 5103 | } |
| 5104 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 5105 | IPADBG("PIL FW loading process is complete\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5106 | return 0; |
| 5107 | } |
| 5108 | |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 5109 | static void ipa3_load_ipa_fw(struct work_struct *work) |
| 5110 | { |
| 5111 | int result; |
| 5112 | |
| 5113 | IPADBG("Entry\n"); |
| 5114 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5115 | result = ipa3_attach_to_smmu(); |
| 5116 | if (result) { |
| 5117 | IPAERR("IPA attach to smmu failed %d\n", result); |
| 5118 | return; |
| 5119 | } |
| 5120 | |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 5121 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 5122 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5123 | if (ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_EMULATION && |
| 5124 | (ipa3_is_msm_device() || (ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5))) |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 5125 | result = ipa3_pil_load_ipa_fws(); |
| 5126 | else |
| 5127 | result = ipa3_manual_load_ipa_fws(); |
| 5128 | |
| 5129 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 5130 | |
| 5131 | if (result) { |
| 5132 | IPAERR("IPA FW loading process has failed\n"); |
| 5133 | return; |
| 5134 | } |
| 5135 | pr_info("IPA FW loaded successfully\n"); |
| 5136 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5137 | result = ipa3_post_init(&ipa3_res, ipa3_ctx->cdev.dev); |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 5138 | if (result) |
| 5139 | IPAERR("IPA post init failed %d\n", result); |
| 5140 | } |
| 5141 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5142 | static ssize_t ipa3_write(struct file *file, const char __user *buf, |
| 5143 | size_t count, loff_t *ppos) |
| 5144 | { |
| 5145 | unsigned long missing; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5146 | |
Amir Levy | 2da9d45 | 2017-12-12 10:09:46 +0200 | [diff] [blame] | 5147 | char dbg_buff[32] = { 0 }; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5148 | |
| 5149 | if (sizeof(dbg_buff) < count + 1) |
| 5150 | return -EFAULT; |
| 5151 | |
| 5152 | missing = copy_from_user(dbg_buff, buf, count); |
| 5153 | |
| 5154 | if (missing) { |
| 5155 | IPAERR("Unable to copy data from user\n"); |
| 5156 | return -EFAULT; |
| 5157 | } |
| 5158 | |
Amir Levy | a5774c4 | 2017-12-14 22:15:54 +0200 | [diff] [blame] | 5159 | dbg_buff[count] = '\0'; |
Mohammed Javid | bf4c802 | 2017-08-07 23:15:48 +0530 | [diff] [blame] | 5160 | |
Amir Levy | 2da9d45 | 2017-12-12 10:09:46 +0200 | [diff] [blame] | 5161 | IPADBG("user input string %s\n", dbg_buff); |
| 5162 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 5163 | /* Check MHI configuration on MDM devices */ |
| 5164 | if (!ipa3_is_msm_device()) { |
Amir Levy | 2da9d45 | 2017-12-12 10:09:46 +0200 | [diff] [blame] | 5165 | |
| 5166 | if (strnstr(dbg_buff, "vlan", strlen(dbg_buff))) { |
| 5167 | if (strnstr(dbg_buff, "eth", strlen(dbg_buff))) |
| 5168 | ipa3_ctx->vlan_mode_iface[IPA_VLAN_IF_EMAC] = |
| 5169 | true; |
| 5170 | if (strnstr(dbg_buff, "rndis", strlen(dbg_buff))) |
| 5171 | ipa3_ctx->vlan_mode_iface[IPA_VLAN_IF_RNDIS] = |
| 5172 | true; |
| 5173 | if (strnstr(dbg_buff, "ecm", strlen(dbg_buff))) |
| 5174 | ipa3_ctx->vlan_mode_iface[IPA_VLAN_IF_ECM] = |
| 5175 | true; |
| 5176 | |
| 5177 | /* |
| 5178 | * when vlan mode is passed to our dev we expect |
| 5179 | * another write |
| 5180 | */ |
| 5181 | return count; |
| 5182 | } |
| 5183 | |
Amir Levy | a5774c4 | 2017-12-14 22:15:54 +0200 | [diff] [blame] | 5184 | /* trim ending newline character if any */ |
| 5185 | if (count && (dbg_buff[count - 1] == '\n')) |
| 5186 | dbg_buff[count - 1] = '\0'; |
| 5187 | |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 5188 | if (!strcasecmp(dbg_buff, "MHI")) { |
| 5189 | ipa3_ctx->ipa_config_is_mhi = true; |
| 5190 | pr_info( |
Amir Levy | 2da9d45 | 2017-12-12 10:09:46 +0200 | [diff] [blame] | 5191 | "IPA is loading with MHI configuration\n"); |
Amir Levy | a5774c4 | 2017-12-14 22:15:54 +0200 | [diff] [blame] | 5192 | } else if (!strcmp(dbg_buff, "1")) { |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 5193 | pr_info( |
Amir Levy | 2da9d45 | 2017-12-12 10:09:46 +0200 | [diff] [blame] | 5194 | "IPA is loading with non MHI configuration\n"); |
| 5195 | } else { |
| 5196 | IPAERR("got invalid string %s not loading FW\n", |
| 5197 | dbg_buff); |
| 5198 | return count; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 5199 | } |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 5200 | } |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 5201 | |
Chaitanya Pratapa | 31bf643 | 2019-12-11 22:18:17 -0800 | [diff] [blame] | 5202 | /* Prevent consequent calls from trying to load the FW again. */ |
| 5203 | if (ipa3_is_ready()) |
| 5204 | return count; |
| 5205 | |
Skylar Chang | afc22fe | 2019-04-25 14:10:52 -0700 | [diff] [blame] | 5206 | /* Prevent multiple calls from trying to load the FW again. */ |
| 5207 | if (ipa3_ctx->fw_loaded) { |
| 5208 | IPAERR("not load FW again\n"); |
| 5209 | return count; |
| 5210 | } |
| 5211 | |
| 5212 | /* Schedule WQ to load ipa-fws */ |
| 5213 | ipa3_ctx->fw_loaded = true; |
| 5214 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 5215 | queue_work(ipa3_ctx->transport_power_mgmt_wq, |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 5216 | &ipa3_fw_loading_work); |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 5217 | |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 5218 | IPADBG("Scheduled a work to load IPA FW\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5219 | return count; |
| 5220 | } |
| 5221 | |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 5222 | /** |
| 5223 | * ipa3_tz_unlock_reg - Unlocks memory regions so that they become accessible |
| 5224 | * from AP. |
| 5225 | * @reg_info - Pointer to array of memory regions to unlock |
| 5226 | * @num_regs - Number of elements in the array |
| 5227 | * |
| 5228 | * Converts the input array of regions to a struct that TZ understands and |
| 5229 | * issues an SCM call. |
| 5230 | * Also flushes the memory cache to DDR in order to make sure that TZ sees the |
| 5231 | * correct data structure. |
| 5232 | * |
| 5233 | * Returns: 0 on success, negative on failure |
| 5234 | */ |
| 5235 | int ipa3_tz_unlock_reg(struct ipa_tz_unlock_reg_info *reg_info, u16 num_regs) |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5236 | { |
| 5237 | int i, size, ret, resp; |
| 5238 | struct tz_smmu_ipa_protect_region_iovec_s *ipa_tz_unlock_vec; |
| 5239 | struct tz_smmu_ipa_protect_region_s cmd_buf; |
Skylar Chang | 3a696ba | 2017-10-25 09:35:07 -0700 | [diff] [blame] | 5240 | struct scm_desc desc = {0}; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5241 | |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 5242 | if (reg_info == NULL || num_regs == 0) { |
| 5243 | IPAERR("Bad parameters\n"); |
| 5244 | return -EFAULT; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5245 | } |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 5246 | |
| 5247 | size = num_regs * sizeof(struct tz_smmu_ipa_protect_region_iovec_s); |
| 5248 | ipa_tz_unlock_vec = kzalloc(PAGE_ALIGN(size), GFP_KERNEL); |
| 5249 | if (ipa_tz_unlock_vec == NULL) |
| 5250 | return -ENOMEM; |
| 5251 | |
| 5252 | for (i = 0; i < num_regs; i++) { |
| 5253 | ipa_tz_unlock_vec[i].input_addr = reg_info[i].reg_addr ^ |
| 5254 | (reg_info[i].reg_addr & 0xFFF); |
| 5255 | ipa_tz_unlock_vec[i].output_addr = reg_info[i].reg_addr ^ |
| 5256 | (reg_info[i].reg_addr & 0xFFF); |
| 5257 | ipa_tz_unlock_vec[i].size = reg_info[i].size; |
| 5258 | ipa_tz_unlock_vec[i].attr = IPA_TZ_UNLOCK_ATTRIBUTE; |
| 5259 | } |
| 5260 | |
| 5261 | /* pass physical address of command buffer */ |
| 5262 | cmd_buf.iovec_buf = virt_to_phys((void *)ipa_tz_unlock_vec); |
| 5263 | cmd_buf.size_bytes = size; |
| 5264 | |
| 5265 | /* flush cache to DDR */ |
| 5266 | __cpuc_flush_dcache_area((void *)ipa_tz_unlock_vec, size); |
| 5267 | outer_flush_range(cmd_buf.iovec_buf, cmd_buf.iovec_buf + size); |
Skylar Chang | 3a696ba | 2017-10-25 09:35:07 -0700 | [diff] [blame] | 5268 | if (!is_scm_armv8()) |
| 5269 | ret = scm_call(SCM_SVC_MP, TZ_MEM_PROTECT_REGION_ID, |
| 5270 | &cmd_buf, sizeof(cmd_buf), &resp, sizeof(resp)); |
| 5271 | else { |
| 5272 | desc.args[0] = virt_to_phys((void *)ipa_tz_unlock_vec); |
| 5273 | desc.args[1] = size; |
| 5274 | desc.arginfo = SCM_ARGS(2, SCM_RO, SCM_VAL); |
| 5275 | ret = scm_call2(SCM_SIP_FNID(SCM_SVC_MP, |
| 5276 | TZ_MEM_PROTECT_REGION_ID), &desc); |
| 5277 | } |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 5278 | |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 5279 | if (ret) { |
| 5280 | IPAERR("scm call SCM_SVC_MP failed: %d\n", ret); |
| 5281 | kfree(ipa_tz_unlock_vec); |
| 5282 | return -EFAULT; |
| 5283 | } |
| 5284 | kfree(ipa_tz_unlock_vec); |
| 5285 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5286 | return 0; |
| 5287 | } |
| 5288 | |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 5289 | static int ipa3_alloc_pkt_init(void) |
| 5290 | { |
| 5291 | struct ipa_mem_buffer mem; |
| 5292 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 5293 | struct ipahal_imm_cmd_ip_packet_init cmd = {0}; |
| 5294 | int i; |
| 5295 | |
| 5296 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_IP_PACKET_INIT, |
| 5297 | &cmd, false); |
| 5298 | if (!cmd_pyld) { |
| 5299 | IPAERR("failed to construct IMM cmd\n"); |
| 5300 | return -ENOMEM; |
| 5301 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 5302 | ipa3_ctx->pkt_init_imm_opcode = cmd_pyld->opcode; |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 5303 | |
| 5304 | mem.size = cmd_pyld->len * ipa3_ctx->ipa_num_pipes; |
| 5305 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, |
| 5306 | &mem.phys_base, GFP_KERNEL); |
| 5307 | if (!mem.base) { |
| 5308 | IPAERR("failed to alloc DMA buff of size %d\n", mem.size); |
| 5309 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 5310 | return -ENOMEM; |
| 5311 | } |
| 5312 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 5313 | |
| 5314 | memset(mem.base, 0, mem.size); |
| 5315 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 5316 | cmd.destination_pipe_index = i; |
| 5317 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_IP_PACKET_INIT, |
| 5318 | &cmd, false); |
| 5319 | if (!cmd_pyld) { |
| 5320 | IPAERR("failed to construct IMM cmd\n"); |
| 5321 | dma_free_coherent(ipa3_ctx->pdev, |
| 5322 | mem.size, |
| 5323 | mem.base, |
| 5324 | mem.phys_base); |
| 5325 | return -ENOMEM; |
| 5326 | } |
| 5327 | memcpy(mem.base + i * cmd_pyld->len, cmd_pyld->data, |
| 5328 | cmd_pyld->len); |
| 5329 | ipa3_ctx->pkt_init_imm[i] = mem.phys_base + i * cmd_pyld->len; |
| 5330 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 5331 | } |
| 5332 | |
| 5333 | return 0; |
| 5334 | } |
| 5335 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5336 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 5337 | * ipa3_pre_init() - Initialize the IPA Driver. |
| 5338 | * This part contains all initialization which doesn't require IPA HW, such |
| 5339 | * as structure allocations and initializations, register writes, etc. |
| 5340 | * |
| 5341 | * @resource_p: contain platform specific values from DST file |
| 5342 | * @pdev: The platform device structure representing the IPA driver |
| 5343 | * |
| 5344 | * Function initialization process: |
| 5345 | * Allocate memory for the driver context data struct |
| 5346 | * Initializing the ipa3_ctx with : |
| 5347 | * 1)parsed values from the dts file |
| 5348 | * 2)parameters passed to the module initialization |
| 5349 | * 3)read HW values(such as core memory size) |
| 5350 | * Map IPA core registers to CPU memory |
| 5351 | * Restart IPA core(HW reset) |
| 5352 | * Initialize the look-aside caches(kmem_cache/slab) for filter, |
| 5353 | * routing and IPA-tree |
| 5354 | * Create memory pool with 4 objects for DMA operations(each object |
| 5355 | * is 512Bytes long), this object will be use for tx(A5->IPA) |
| 5356 | * Initialize lists head(routing, hdr, system pipes) |
| 5357 | * Initialize mutexes (for ipa_ctx and NAT memory mutexes) |
| 5358 | * Initialize spinlocks (for list related to A5<->IPA pipes) |
| 5359 | * Initialize 2 single-threaded work-queue named "ipa rx wq" and "ipa tx wq" |
| 5360 | * Initialize Red-Black-Tree(s) for handles of header,routing rule, |
| 5361 | * routing table ,filtering rule |
| 5362 | * Initialize the filter block by committing IPV4 and IPV6 default rules |
| 5363 | * Create empty routing table in system memory(no committing) |
| 5364 | * Create a char-device for IPA |
| 5365 | * Initialize IPA RM (resource manager) |
| 5366 | * Configure GSI registers (in GSI case) |
| 5367 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5368 | static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p, |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5369 | struct platform_device *ipa_pdev) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5370 | { |
| 5371 | int result = 0; |
| 5372 | int i; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5373 | struct ipa3_rt_tbl_set *rset; |
Mohammed Javid | c6db336 | 2018-02-13 13:41:38 +0530 | [diff] [blame] | 5374 | struct ipa_active_client_logging_info log_info; |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5375 | struct cdev *cdev; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5376 | |
| 5377 | IPADBG("IPA Driver initialization started\n"); |
| 5378 | |
| 5379 | ipa3_ctx = kzalloc(sizeof(*ipa3_ctx), GFP_KERNEL); |
| 5380 | if (!ipa3_ctx) { |
| 5381 | IPAERR(":kzalloc err.\n"); |
| 5382 | result = -ENOMEM; |
| 5383 | goto fail_mem_ctx; |
| 5384 | } |
| 5385 | |
| 5386 | ipa3_ctx->logbuf = ipc_log_context_create(IPA_IPC_LOG_PAGES, "ipa", 0); |
Skylar Chang | 841c145 | 2017-04-03 16:07:22 -0700 | [diff] [blame] | 5387 | if (ipa3_ctx->logbuf == NULL) |
Mohammed Javid | 0af3c66 | 2018-06-29 15:06:00 +0530 | [diff] [blame] | 5388 | IPADBG("failed to create IPC log, continue...\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5389 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5390 | /* ipa3_ctx->pdev and ipa3_ctx->uc_pdev will be set in the smmu probes*/ |
| 5391 | ipa3_ctx->master_pdev = ipa_pdev; |
Michael Adisumarta | c8c404a | 2018-04-05 18:01:45 -0700 | [diff] [blame] | 5392 | for (i = 0; i < IPA_SMMU_CB_MAX; i++) |
| 5393 | ipa3_ctx->s1_bypass_arr[i] = true; |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5394 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5395 | ipa3_ctx->ipa_wrapper_base = resource_p->ipa_mem_base; |
| 5396 | ipa3_ctx->ipa_wrapper_size = resource_p->ipa_mem_size; |
| 5397 | ipa3_ctx->ipa_hw_type = resource_p->ipa_hw_type; |
| 5398 | ipa3_ctx->ipa3_hw_mode = resource_p->ipa3_hw_mode; |
| 5399 | ipa3_ctx->use_ipa_teth_bridge = resource_p->use_ipa_teth_bridge; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5400 | ipa3_ctx->modem_cfg_emb_pipe_flt = resource_p->modem_cfg_emb_pipe_flt; |
| 5401 | ipa3_ctx->ipa_wdi2 = resource_p->ipa_wdi2; |
Mohammed Javid | 80d0e2a | 2019-06-10 14:11:42 +0530 | [diff] [blame] | 5402 | ipa3_ctx->ipa_config_is_auto = resource_p->ipa_config_is_auto; |
Chaitanya Pratapa | 3f54f3b | 2019-11-10 20:24:38 -0800 | [diff] [blame] | 5403 | ipa3_ctx->use_xbl_boot = resource_p->use_xbl_boot; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5404 | ipa3_ctx->use_64_bit_dma_mask = resource_p->use_64_bit_dma_mask; |
| 5405 | ipa3_ctx->wan_rx_ring_size = resource_p->wan_rx_ring_size; |
| 5406 | ipa3_ctx->lan_rx_ring_size = resource_p->lan_rx_ring_size; |
| 5407 | ipa3_ctx->skip_uc_pipe_reset = resource_p->skip_uc_pipe_reset; |
| 5408 | ipa3_ctx->tethered_flow_control = resource_p->tethered_flow_control; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5409 | ipa3_ctx->ee = resource_p->ee; |
| 5410 | ipa3_ctx->apply_rg10_wa = resource_p->apply_rg10_wa; |
| 5411 | ipa3_ctx->gsi_ch20_wa = resource_p->gsi_ch20_wa; |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5412 | ipa3_ctx->use_ipa_pm = resource_p->use_ipa_pm; |
Mohammed Javid | 03854df | 2018-06-20 18:36:57 +0530 | [diff] [blame] | 5413 | ipa3_ctx->wdi_over_pcie = resource_p->wdi_over_pcie; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5414 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = false; |
Mohammed Javid | 73cd4d2 | 2018-04-03 17:15:49 +0530 | [diff] [blame] | 5415 | ipa3_ctx->ipa_config_is_mhi = resource_p->ipa_mhi_dynamic_config; |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 5416 | ipa3_ctx->mhi_evid_limits[0] = resource_p->mhi_evid_limits[0]; |
| 5417 | ipa3_ctx->mhi_evid_limits[1] = resource_p->mhi_evid_limits[1]; |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5418 | |
| 5419 | WARN(ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_NORMAL, |
| 5420 | "Non NORMAL IPA HW mode, is this emulation platform ?"); |
| 5421 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5422 | if (resource_p->ipa_tz_unlock_reg) { |
| 5423 | ipa3_ctx->ipa_tz_unlock_reg_num = |
| 5424 | resource_p->ipa_tz_unlock_reg_num; |
| 5425 | ipa3_ctx->ipa_tz_unlock_reg = kcalloc( |
| 5426 | ipa3_ctx->ipa_tz_unlock_reg_num, |
| 5427 | sizeof(*ipa3_ctx->ipa_tz_unlock_reg), |
| 5428 | GFP_KERNEL); |
| 5429 | if (ipa3_ctx->ipa_tz_unlock_reg == NULL) { |
| 5430 | result = -ENOMEM; |
| 5431 | goto fail_tz_unlock_reg; |
| 5432 | } |
| 5433 | for (i = 0; i < ipa3_ctx->ipa_tz_unlock_reg_num; i++) { |
| 5434 | ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr = |
| 5435 | resource_p->ipa_tz_unlock_reg[i].reg_addr; |
| 5436 | ipa3_ctx->ipa_tz_unlock_reg[i].size = |
| 5437 | resource_p->ipa_tz_unlock_reg[i].size; |
| 5438 | } |
| 5439 | } |
| 5440 | |
| 5441 | /* unlock registers for uc */ |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 5442 | result = ipa3_tz_unlock_reg(ipa3_ctx->ipa_tz_unlock_reg, |
| 5443 | ipa3_ctx->ipa_tz_unlock_reg_num); |
| 5444 | if (result) |
| 5445 | IPAERR("Failed to unlock memory region using TZ\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5446 | |
| 5447 | /* default aggregation parameters */ |
| 5448 | ipa3_ctx->aggregation_type = IPA_MBIM_16; |
| 5449 | ipa3_ctx->aggregation_byte_limit = 1; |
| 5450 | ipa3_ctx->aggregation_time_limit = 0; |
| 5451 | |
| 5452 | ipa3_ctx->ctrl = kzalloc(sizeof(*ipa3_ctx->ctrl), GFP_KERNEL); |
| 5453 | if (!ipa3_ctx->ctrl) { |
| 5454 | IPAERR("memory allocation error for ctrl\n"); |
| 5455 | result = -ENOMEM; |
| 5456 | goto fail_mem_ctrl; |
| 5457 | } |
| 5458 | result = ipa3_controller_static_bind(ipa3_ctx->ctrl, |
| 5459 | ipa3_ctx->ipa_hw_type); |
| 5460 | if (result) { |
| 5461 | IPAERR("fail to static bind IPA ctrl.\n"); |
| 5462 | result = -EFAULT; |
| 5463 | goto fail_bind; |
| 5464 | } |
| 5465 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5466 | result = ipa3_init_mem_partition(ipa3_ctx->master_pdev->dev.of_node); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5467 | if (result) { |
| 5468 | IPAERR(":ipa3_init_mem_partition failed!\n"); |
| 5469 | result = -ENODEV; |
| 5470 | goto fail_init_mem_partition; |
| 5471 | } |
| 5472 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5473 | if (ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_VIRTUAL && |
| 5474 | ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_EMULATION) { |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5475 | ipa3_ctx->ctrl->msm_bus_data_ptr = |
| 5476 | msm_bus_cl_get_pdata(ipa3_ctx->master_pdev); |
| 5477 | if (ipa3_ctx->ctrl->msm_bus_data_ptr == NULL) { |
| 5478 | IPAERR("failed to get bus scaling\n"); |
| 5479 | goto fail_bus_reg; |
| 5480 | } |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5481 | IPADBG("Use bus scaling info from device tree #usecases=%d\n", |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5482 | ipa3_ctx->ctrl->msm_bus_data_ptr->num_usecases); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5483 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5484 | /* get BUS handle */ |
| 5485 | ipa3_ctx->ipa_bus_hdl = |
| 5486 | msm_bus_scale_register_client( |
| 5487 | ipa3_ctx->ctrl->msm_bus_data_ptr); |
| 5488 | if (!ipa3_ctx->ipa_bus_hdl) { |
| 5489 | IPAERR("fail to register with bus mgr!\n"); |
| 5490 | result = -ENODEV; |
| 5491 | goto fail_bus_reg; |
| 5492 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5493 | } |
| 5494 | |
| 5495 | /* get IPA clocks */ |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5496 | result = ipa3_get_clks(&ipa3_ctx->master_pdev->dev); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5497 | if (result) |
| 5498 | goto fail_clk; |
| 5499 | |
| 5500 | /* init active_clients_log after getting ipa-clk */ |
Ghanim Fodi | c48ba99 | 2017-12-24 19:28:38 +0200 | [diff] [blame] | 5501 | result = ipa3_active_clients_log_init(); |
| 5502 | if (result) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5503 | goto fail_init_active_client; |
| 5504 | |
| 5505 | /* Enable ipa3_ctx->enable_clock_scaling */ |
| 5506 | ipa3_ctx->enable_clock_scaling = 1; |
| 5507 | ipa3_ctx->curr_ipa_clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 5508 | |
| 5509 | /* enable IPA clocks explicitly to allow the initialization */ |
| 5510 | ipa3_enable_clks(); |
| 5511 | |
| 5512 | /* setup IPA register access */ |
| 5513 | IPADBG("Mapping 0x%x\n", resource_p->ipa_mem_base + |
| 5514 | ipa3_ctx->ctrl->ipa_reg_base_ofst); |
| 5515 | ipa3_ctx->mmio = ioremap(resource_p->ipa_mem_base + |
| 5516 | ipa3_ctx->ctrl->ipa_reg_base_ofst, |
| 5517 | resource_p->ipa_mem_size); |
| 5518 | if (!ipa3_ctx->mmio) { |
| 5519 | IPAERR(":ipa-base ioremap err.\n"); |
| 5520 | result = -EFAULT; |
| 5521 | goto fail_remap; |
| 5522 | } |
| 5523 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5524 | IPADBG( |
| 5525 | "base(0x%x)+offset(0x%x)=(0x%x) mapped to (%pK) with len (0x%x)\n", |
| 5526 | resource_p->ipa_mem_base, |
| 5527 | ipa3_ctx->ctrl->ipa_reg_base_ofst, |
| 5528 | resource_p->ipa_mem_base + ipa3_ctx->ctrl->ipa_reg_base_ofst, |
| 5529 | ipa3_ctx->mmio, |
| 5530 | resource_p->ipa_mem_size); |
| 5531 | |
| 5532 | /* |
| 5533 | * Emulation requires ipahal be initialized early...for FW |
| 5534 | * download, hence... |
| 5535 | */ |
| 5536 | if (ipa3_ctx->ipa3_hw_mode == IPA_HW_MODE_EMULATION) { |
| 5537 | if (ipahal_init(ipa3_ctx->ipa_hw_type, |
| 5538 | ipa3_ctx->mmio, |
| 5539 | &(ipa3_ctx->master_pdev->dev))) { |
| 5540 | IPAERR("fail to init ipahal\n"); |
| 5541 | result = -EFAULT; |
| 5542 | goto fail_ipahal_init; |
| 5543 | } |
| 5544 | } |
| 5545 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5546 | mutex_init(&ipa3_ctx->ipa3_active_clients.mutex); |
Mohammed Javid | c6db336 | 2018-02-13 13:41:38 +0530 | [diff] [blame] | 5547 | |
| 5548 | IPA_ACTIVE_CLIENTS_PREP_SPECIAL(log_info, "PROXY_CLK_VOTE"); |
| 5549 | ipa3_active_clients_log_inc(&log_info, false); |
| 5550 | ipa3_ctx->q6_proxy_clk_vote_valid = true; |
| 5551 | ipa3_ctx->q6_proxy_clk_vote_cnt = 1; |
| 5552 | |
| 5553 | /*Updating the proxy vote cnt 1 */ |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 5554 | atomic_set(&ipa3_ctx->ipa3_active_clients.cnt, 1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5555 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5556 | /* Create workqueues for power management */ |
| 5557 | ipa3_ctx->power_mgmt_wq = |
| 5558 | create_singlethread_workqueue("ipa_power_mgmt"); |
| 5559 | if (!ipa3_ctx->power_mgmt_wq) { |
| 5560 | IPAERR("failed to create power mgmt wq\n"); |
| 5561 | result = -ENOMEM; |
| 5562 | goto fail_init_hw; |
| 5563 | } |
| 5564 | |
| 5565 | ipa3_ctx->transport_power_mgmt_wq = |
| 5566 | create_singlethread_workqueue("transport_power_mgmt"); |
| 5567 | if (!ipa3_ctx->transport_power_mgmt_wq) { |
| 5568 | IPAERR("failed to create transport power mgmt wq\n"); |
| 5569 | result = -ENOMEM; |
| 5570 | goto fail_create_transport_wq; |
| 5571 | } |
| 5572 | |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 5573 | mutex_init(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5574 | |
| 5575 | /* init the lookaside cache */ |
| 5576 | ipa3_ctx->flt_rule_cache = kmem_cache_create("IPA_FLT", |
| 5577 | sizeof(struct ipa3_flt_entry), 0, 0, NULL); |
| 5578 | if (!ipa3_ctx->flt_rule_cache) { |
| 5579 | IPAERR(":ipa flt cache create failed\n"); |
| 5580 | result = -ENOMEM; |
| 5581 | goto fail_flt_rule_cache; |
| 5582 | } |
| 5583 | ipa3_ctx->rt_rule_cache = kmem_cache_create("IPA_RT", |
| 5584 | sizeof(struct ipa3_rt_entry), 0, 0, NULL); |
| 5585 | if (!ipa3_ctx->rt_rule_cache) { |
| 5586 | IPAERR(":ipa rt cache create failed\n"); |
| 5587 | result = -ENOMEM; |
| 5588 | goto fail_rt_rule_cache; |
| 5589 | } |
| 5590 | ipa3_ctx->hdr_cache = kmem_cache_create("IPA_HDR", |
| 5591 | sizeof(struct ipa3_hdr_entry), 0, 0, NULL); |
| 5592 | if (!ipa3_ctx->hdr_cache) { |
| 5593 | IPAERR(":ipa hdr cache create failed\n"); |
| 5594 | result = -ENOMEM; |
| 5595 | goto fail_hdr_cache; |
| 5596 | } |
| 5597 | ipa3_ctx->hdr_offset_cache = |
| 5598 | kmem_cache_create("IPA_HDR_OFFSET", |
| 5599 | sizeof(struct ipa_hdr_offset_entry), 0, 0, NULL); |
| 5600 | if (!ipa3_ctx->hdr_offset_cache) { |
| 5601 | IPAERR(":ipa hdr off cache create failed\n"); |
| 5602 | result = -ENOMEM; |
| 5603 | goto fail_hdr_offset_cache; |
| 5604 | } |
| 5605 | ipa3_ctx->hdr_proc_ctx_cache = kmem_cache_create("IPA_HDR_PROC_CTX", |
| 5606 | sizeof(struct ipa3_hdr_proc_ctx_entry), 0, 0, NULL); |
| 5607 | if (!ipa3_ctx->hdr_proc_ctx_cache) { |
| 5608 | IPAERR(":ipa hdr proc ctx cache create failed\n"); |
| 5609 | result = -ENOMEM; |
| 5610 | goto fail_hdr_proc_ctx_cache; |
| 5611 | } |
| 5612 | ipa3_ctx->hdr_proc_ctx_offset_cache = |
| 5613 | kmem_cache_create("IPA_HDR_PROC_CTX_OFFSET", |
| 5614 | sizeof(struct ipa3_hdr_proc_ctx_offset_entry), 0, 0, NULL); |
| 5615 | if (!ipa3_ctx->hdr_proc_ctx_offset_cache) { |
| 5616 | IPAERR(":ipa hdr proc ctx off cache create failed\n"); |
| 5617 | result = -ENOMEM; |
| 5618 | goto fail_hdr_proc_ctx_offset_cache; |
| 5619 | } |
| 5620 | ipa3_ctx->rt_tbl_cache = kmem_cache_create("IPA_RT_TBL", |
| 5621 | sizeof(struct ipa3_rt_tbl), 0, 0, NULL); |
| 5622 | if (!ipa3_ctx->rt_tbl_cache) { |
| 5623 | IPAERR(":ipa rt tbl cache create failed\n"); |
| 5624 | result = -ENOMEM; |
| 5625 | goto fail_rt_tbl_cache; |
| 5626 | } |
| 5627 | ipa3_ctx->tx_pkt_wrapper_cache = |
| 5628 | kmem_cache_create("IPA_TX_PKT_WRAPPER", |
| 5629 | sizeof(struct ipa3_tx_pkt_wrapper), 0, 0, NULL); |
| 5630 | if (!ipa3_ctx->tx_pkt_wrapper_cache) { |
| 5631 | IPAERR(":ipa tx pkt wrapper cache create failed\n"); |
| 5632 | result = -ENOMEM; |
| 5633 | goto fail_tx_pkt_wrapper_cache; |
| 5634 | } |
| 5635 | ipa3_ctx->rx_pkt_wrapper_cache = |
| 5636 | kmem_cache_create("IPA_RX_PKT_WRAPPER", |
| 5637 | sizeof(struct ipa3_rx_pkt_wrapper), 0, 0, NULL); |
| 5638 | if (!ipa3_ctx->rx_pkt_wrapper_cache) { |
| 5639 | IPAERR(":ipa rx pkt wrapper cache create failed\n"); |
| 5640 | result = -ENOMEM; |
| 5641 | goto fail_rx_pkt_wrapper_cache; |
| 5642 | } |
| 5643 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5644 | /* init the various list heads */ |
| 5645 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_hdr_entry_list); |
| 5646 | for (i = 0; i < IPA_HDR_BIN_MAX; i++) { |
| 5647 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_offset_list[i]); |
| 5648 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_free_offset_list[i]); |
| 5649 | } |
| 5650 | INIT_LIST_HEAD(&ipa3_ctx->hdr_proc_ctx_tbl.head_proc_ctx_entry_list); |
| 5651 | for (i = 0; i < IPA_HDR_PROC_CTX_BIN_MAX; i++) { |
| 5652 | INIT_LIST_HEAD(&ipa3_ctx->hdr_proc_ctx_tbl.head_offset_list[i]); |
| 5653 | INIT_LIST_HEAD(&ipa3_ctx-> |
| 5654 | hdr_proc_ctx_tbl.head_free_offset_list[i]); |
| 5655 | } |
| 5656 | INIT_LIST_HEAD(&ipa3_ctx->rt_tbl_set[IPA_IP_v4].head_rt_tbl_list); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 5657 | idr_init(&ipa3_ctx->rt_tbl_set[IPA_IP_v4].rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5658 | INIT_LIST_HEAD(&ipa3_ctx->rt_tbl_set[IPA_IP_v6].head_rt_tbl_list); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 5659 | idr_init(&ipa3_ctx->rt_tbl_set[IPA_IP_v6].rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5660 | |
| 5661 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v4]; |
| 5662 | INIT_LIST_HEAD(&rset->head_rt_tbl_list); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 5663 | idr_init(&rset->rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5664 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v6]; |
| 5665 | INIT_LIST_HEAD(&rset->head_rt_tbl_list); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 5666 | idr_init(&rset->rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5667 | |
| 5668 | INIT_LIST_HEAD(&ipa3_ctx->intf_list); |
| 5669 | INIT_LIST_HEAD(&ipa3_ctx->msg_list); |
| 5670 | INIT_LIST_HEAD(&ipa3_ctx->pull_msg_list); |
| 5671 | init_waitqueue_head(&ipa3_ctx->msg_waitq); |
| 5672 | mutex_init(&ipa3_ctx->msg_lock); |
| 5673 | |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 5674 | /* store wlan client-connect-msg-list */ |
| 5675 | INIT_LIST_HEAD(&ipa3_ctx->msg_wlan_client_list); |
| 5676 | mutex_init(&ipa3_ctx->msg_wlan_client_lock); |
| 5677 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5678 | mutex_init(&ipa3_ctx->lock); |
Skylar Chang | fb792c6 | 2017-08-17 12:53:23 -0700 | [diff] [blame] | 5679 | mutex_init(&ipa3_ctx->q6_proxy_clk_vote_mutex); |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 5680 | mutex_init(&ipa3_ctx->ipa_cne_evt_lock); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5681 | |
| 5682 | idr_init(&ipa3_ctx->ipa_idr); |
| 5683 | spin_lock_init(&ipa3_ctx->idr_lock); |
| 5684 | |
| 5685 | /* wlan related member */ |
| 5686 | memset(&ipa3_ctx->wc_memb, 0, sizeof(ipa3_ctx->wc_memb)); |
| 5687 | spin_lock_init(&ipa3_ctx->wc_memb.wlan_spinlock); |
| 5688 | spin_lock_init(&ipa3_ctx->wc_memb.ipa_tx_mul_spinlock); |
| 5689 | INIT_LIST_HEAD(&ipa3_ctx->wc_memb.wlan_comm_desc_list); |
| 5690 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5691 | ipa3_ctx->cdev.class = class_create(THIS_MODULE, DRV_NAME); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5692 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5693 | result = alloc_chrdev_region(&ipa3_ctx->cdev.dev_num, 0, 1, DRV_NAME); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5694 | if (result) { |
| 5695 | IPAERR("alloc_chrdev_region err.\n"); |
| 5696 | result = -ENODEV; |
| 5697 | goto fail_alloc_chrdev_region; |
| 5698 | } |
| 5699 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5700 | ipa3_ctx->cdev.dev = device_create(ipa3_ctx->cdev.class, NULL, |
| 5701 | ipa3_ctx->cdev.dev_num, ipa3_ctx, DRV_NAME); |
| 5702 | if (IS_ERR(ipa3_ctx->cdev.dev)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5703 | IPAERR(":device_create err.\n"); |
| 5704 | result = -ENODEV; |
| 5705 | goto fail_device_create; |
| 5706 | } |
| 5707 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5708 | /* Create a wakeup source. */ |
| 5709 | wakeup_source_init(&ipa3_ctx->w_lock, "IPA_WS"); |
| 5710 | spin_lock_init(&ipa3_ctx->wakelock_ref_cnt.spinlock); |
| 5711 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5712 | /* Initialize Power Management framework */ |
| 5713 | if (ipa3_ctx->use_ipa_pm) { |
| 5714 | result = ipa_pm_init(&ipa3_res.pm_init); |
| 5715 | if (result) { |
| 5716 | IPAERR("IPA PM initialization failed (%d)\n", -result); |
| 5717 | result = -ENODEV; |
| 5718 | goto fail_ipa_rm_init; |
| 5719 | } |
| 5720 | IPADBG("IPA resource manager initialized"); |
| 5721 | } else { |
| 5722 | result = ipa_rm_initialize(); |
| 5723 | if (result) { |
| 5724 | IPAERR("RM initialization failed (%d)\n", -result); |
| 5725 | result = -ENODEV; |
| 5726 | goto fail_ipa_rm_init; |
| 5727 | } |
| 5728 | IPADBG("IPA resource manager initialized"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5729 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5730 | result = ipa3_create_apps_resource(); |
| 5731 | if (result) { |
| 5732 | IPAERR("Failed to create APPS_CONS resource\n"); |
| 5733 | result = -ENODEV; |
| 5734 | goto fail_create_apps_resource; |
| 5735 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5736 | } |
| 5737 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5738 | INIT_LIST_HEAD(&ipa3_ctx->ipa_ready_cb_list); |
| 5739 | |
| 5740 | init_completion(&ipa3_ctx->init_completion_obj); |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 5741 | init_completion(&ipa3_ctx->uc_loaded_completion_obj); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5742 | |
Ghanim Fodi | e6bb7a8 | 2017-10-02 17:59:58 +0300 | [diff] [blame] | 5743 | result = ipa3_dma_setup(); |
| 5744 | if (result) { |
| 5745 | IPAERR("Failed to setup IPA DMA\n"); |
| 5746 | result = -ENODEV; |
| 5747 | goto fail_ipa_dma_setup; |
| 5748 | } |
| 5749 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5750 | /* |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5751 | * We can't register the GSI driver yet, as it expects |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5752 | * the GSI FW to be up and running before the registration. |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5753 | * |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5754 | * For IPA3.0 and the emulation system, the GSI configuration |
| 5755 | * is done by the GSI driver. |
| 5756 | * |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5757 | * For IPA3.1 (and on), the GSI configuration is done by TZ. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5758 | */ |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5759 | if (ipa3_ctx->ipa_hw_type == IPA_HW_v3_0 || |
| 5760 | ipa3_ctx->ipa3_hw_mode == IPA_HW_MODE_EMULATION) { |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5761 | result = ipa3_gsi_pre_fw_load_init(); |
| 5762 | if (result) { |
| 5763 | IPAERR("gsi pre FW loading config failed\n"); |
| 5764 | result = -ENODEV; |
Ghanim Fodi | e6bb7a8 | 2017-10-02 17:59:58 +0300 | [diff] [blame] | 5765 | goto fail_gsi_pre_fw_load_init; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5766 | } |
| 5767 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5768 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5769 | cdev = &ipa3_ctx->cdev.cdev; |
| 5770 | cdev_init(cdev, &ipa3_drv_fops); |
| 5771 | cdev->owner = THIS_MODULE; |
| 5772 | cdev->ops = &ipa3_drv_fops; /* from LDD3 */ |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 5773 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5774 | result = cdev_add(cdev, ipa3_ctx->cdev.dev_num, 1); |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 5775 | if (result) { |
| 5776 | IPAERR(":cdev_add err=%d\n", -result); |
| 5777 | result = -ENODEV; |
| 5778 | goto fail_cdev_add; |
| 5779 | } |
| 5780 | IPADBG("ipa cdev added successful. major:%d minor:%d\n", |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5781 | MAJOR(ipa3_ctx->cdev.dev_num), |
| 5782 | MINOR(ipa3_ctx->cdev.dev_num)); |
Mohammed Javid | c6db336 | 2018-02-13 13:41:38 +0530 | [diff] [blame] | 5783 | /* |
| 5784 | * for IPA 4.0 offline charge is not needed and we need to prevent |
| 5785 | * power collapse until IPA uC is loaded. |
| 5786 | */ |
| 5787 | |
Skylar Chang | 4043053 | 2017-07-06 14:31:57 -0700 | [diff] [blame] | 5788 | /* proxy vote for modem is added in ipa3_post_init() phase */ |
Mohammed Javid | c6db336 | 2018-02-13 13:41:38 +0530 | [diff] [blame] | 5789 | if (ipa3_ctx->ipa_hw_type != IPA_HW_v4_0) |
| 5790 | ipa3_proxy_clk_unvote(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5791 | return 0; |
| 5792 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 5793 | fail_cdev_add: |
Ghanim Fodi | e6bb7a8 | 2017-10-02 17:59:58 +0300 | [diff] [blame] | 5794 | fail_gsi_pre_fw_load_init: |
| 5795 | ipa3_dma_shutdown(); |
| 5796 | fail_ipa_dma_setup: |
Ghanim Fodi | e6bb7a8 | 2017-10-02 17:59:58 +0300 | [diff] [blame] | 5797 | if (ipa3_ctx->use_ipa_pm) |
| 5798 | ipa_pm_destroy(); |
| 5799 | else |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5800 | ipa_rm_delete_resource(IPA_RM_RESOURCE_APPS_CONS); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5801 | fail_create_apps_resource: |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5802 | if (!ipa3_ctx->use_ipa_pm) |
| 5803 | ipa_rm_exit(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5804 | fail_ipa_rm_init: |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5805 | device_destroy(ipa3_ctx->cdev.class, ipa3_ctx->cdev.dev_num); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5806 | fail_device_create: |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5807 | unregister_chrdev_region(ipa3_ctx->cdev.dev_num, 1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5808 | fail_alloc_chrdev_region: |
Ghanim Fodi | e6bb7a8 | 2017-10-02 17:59:58 +0300 | [diff] [blame] | 5809 | idr_destroy(&ipa3_ctx->ipa_idr); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 5810 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v6]; |
| 5811 | idr_destroy(&rset->rule_ids); |
| 5812 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v4]; |
| 5813 | idr_destroy(&rset->rule_ids); |
| 5814 | idr_destroy(&ipa3_ctx->rt_tbl_set[IPA_IP_v6].rule_ids); |
| 5815 | idr_destroy(&ipa3_ctx->rt_tbl_set[IPA_IP_v4].rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5816 | kmem_cache_destroy(ipa3_ctx->rx_pkt_wrapper_cache); |
| 5817 | fail_rx_pkt_wrapper_cache: |
| 5818 | kmem_cache_destroy(ipa3_ctx->tx_pkt_wrapper_cache); |
| 5819 | fail_tx_pkt_wrapper_cache: |
| 5820 | kmem_cache_destroy(ipa3_ctx->rt_tbl_cache); |
| 5821 | fail_rt_tbl_cache: |
| 5822 | kmem_cache_destroy(ipa3_ctx->hdr_proc_ctx_offset_cache); |
| 5823 | fail_hdr_proc_ctx_offset_cache: |
| 5824 | kmem_cache_destroy(ipa3_ctx->hdr_proc_ctx_cache); |
| 5825 | fail_hdr_proc_ctx_cache: |
| 5826 | kmem_cache_destroy(ipa3_ctx->hdr_offset_cache); |
| 5827 | fail_hdr_offset_cache: |
| 5828 | kmem_cache_destroy(ipa3_ctx->hdr_cache); |
| 5829 | fail_hdr_cache: |
| 5830 | kmem_cache_destroy(ipa3_ctx->rt_rule_cache); |
| 5831 | fail_rt_rule_cache: |
| 5832 | kmem_cache_destroy(ipa3_ctx->flt_rule_cache); |
| 5833 | fail_flt_rule_cache: |
| 5834 | destroy_workqueue(ipa3_ctx->transport_power_mgmt_wq); |
| 5835 | fail_create_transport_wq: |
| 5836 | destroy_workqueue(ipa3_ctx->power_mgmt_wq); |
| 5837 | fail_init_hw: |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 5838 | if (ipa3_ctx->ipa3_hw_mode == IPA_HW_MODE_EMULATION) |
| 5839 | ipahal_destroy(); |
| 5840 | fail_ipahal_init: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5841 | iounmap(ipa3_ctx->mmio); |
| 5842 | fail_remap: |
| 5843 | ipa3_disable_clks(); |
| 5844 | ipa3_active_clients_log_destroy(); |
| 5845 | fail_init_active_client: |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5846 | if (ipa3_clk) |
| 5847 | clk_put(ipa3_clk); |
| 5848 | ipa3_clk = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5849 | fail_clk: |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5850 | if (ipa3_ctx->ipa_bus_hdl) |
| 5851 | msm_bus_scale_unregister_client(ipa3_ctx->ipa_bus_hdl); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5852 | fail_bus_reg: |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 5853 | if (ipa3_ctx->ctrl->msm_bus_data_ptr) |
| 5854 | msm_bus_cl_clear_pdata(ipa3_ctx->ctrl->msm_bus_data_ptr); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5855 | fail_init_mem_partition: |
| 5856 | fail_bind: |
| 5857 | kfree(ipa3_ctx->ctrl); |
| 5858 | fail_mem_ctrl: |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5859 | kfree(ipa3_ctx->ipa_tz_unlock_reg); |
| 5860 | fail_tz_unlock_reg: |
Skylar Chang | 841c145 | 2017-04-03 16:07:22 -0700 | [diff] [blame] | 5861 | if (ipa3_ctx->logbuf) |
| 5862 | ipc_log_context_destroy(ipa3_ctx->logbuf); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5863 | kfree(ipa3_ctx); |
| 5864 | ipa3_ctx = NULL; |
| 5865 | fail_mem_ctx: |
| 5866 | return result; |
| 5867 | } |
| 5868 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5869 | static int get_ipa_dts_pm_info(struct platform_device *pdev, |
| 5870 | struct ipa3_plat_drv_res *ipa_drv_res) |
| 5871 | { |
| 5872 | int result; |
| 5873 | int i, j; |
| 5874 | |
| 5875 | ipa_drv_res->use_ipa_pm = of_property_read_bool(pdev->dev.of_node, |
| 5876 | "qcom,use-ipa-pm"); |
| 5877 | IPADBG("use_ipa_pm=%d\n", ipa_drv_res->use_ipa_pm); |
| 5878 | if (!ipa_drv_res->use_ipa_pm) |
| 5879 | return 0; |
| 5880 | |
| 5881 | result = of_property_read_u32(pdev->dev.of_node, |
| 5882 | "qcom,msm-bus,num-cases", |
| 5883 | &ipa_drv_res->pm_init.threshold_size); |
| 5884 | /* No vote is ignored */ |
| 5885 | ipa_drv_res->pm_init.threshold_size -= 2; |
| 5886 | if (result || ipa_drv_res->pm_init.threshold_size > |
| 5887 | IPA_PM_THRESHOLD_MAX) { |
| 5888 | IPAERR("invalid property qcom,msm-bus,num-cases %d\n", |
| 5889 | ipa_drv_res->pm_init.threshold_size); |
| 5890 | return -EFAULT; |
| 5891 | } |
| 5892 | |
| 5893 | result = of_property_read_u32_array(pdev->dev.of_node, |
| 5894 | "qcom,throughput-threshold", |
| 5895 | ipa_drv_res->pm_init.default_threshold, |
| 5896 | ipa_drv_res->pm_init.threshold_size); |
| 5897 | if (result) { |
| 5898 | IPAERR("failed to read qcom,throughput-thresholds\n"); |
| 5899 | return -EFAULT; |
| 5900 | } |
| 5901 | |
| 5902 | result = of_property_count_strings(pdev->dev.of_node, |
| 5903 | "qcom,scaling-exceptions"); |
| 5904 | if (result < 0) { |
| 5905 | IPADBG("no exception list for ipa pm\n"); |
| 5906 | result = 0; |
| 5907 | } |
| 5908 | |
| 5909 | if (result % (ipa_drv_res->pm_init.threshold_size + 1)) { |
| 5910 | IPAERR("failed to read qcom,scaling-exceptions\n"); |
| 5911 | return -EFAULT; |
| 5912 | } |
| 5913 | |
| 5914 | ipa_drv_res->pm_init.exception_size = result / |
| 5915 | (ipa_drv_res->pm_init.threshold_size + 1); |
| 5916 | if (ipa_drv_res->pm_init.exception_size >= |
| 5917 | IPA_PM_EXCEPTION_MAX) { |
| 5918 | IPAERR("exception list larger then max %d\n", |
| 5919 | ipa_drv_res->pm_init.exception_size); |
| 5920 | return -EFAULT; |
| 5921 | } |
| 5922 | |
| 5923 | for (i = 0; i < ipa_drv_res->pm_init.exception_size; i++) { |
| 5924 | struct ipa_pm_exception *ex = ipa_drv_res->pm_init.exceptions; |
| 5925 | |
| 5926 | result = of_property_read_string_index(pdev->dev.of_node, |
| 5927 | "qcom,scaling-exceptions", |
| 5928 | i * ipa_drv_res->pm_init.threshold_size, |
| 5929 | &ex[i].usecase); |
| 5930 | if (result) { |
| 5931 | IPAERR("failed to read qcom,scaling-exceptions"); |
| 5932 | return -EFAULT; |
| 5933 | } |
| 5934 | |
| 5935 | for (j = 0; j < ipa_drv_res->pm_init.threshold_size; j++) { |
| 5936 | const char *str; |
| 5937 | |
| 5938 | result = of_property_read_string_index( |
| 5939 | pdev->dev.of_node, |
| 5940 | "qcom,scaling-exceptions", |
| 5941 | i * ipa_drv_res->pm_init.threshold_size + j + 1, |
| 5942 | &str); |
| 5943 | if (result) { |
| 5944 | IPAERR("failed to read qcom,scaling-exceptions" |
| 5945 | ); |
| 5946 | return -EFAULT; |
| 5947 | } |
| 5948 | |
| 5949 | if (kstrtou32(str, 0, &ex[i].threshold[j])) { |
| 5950 | IPAERR("error str=%s\n", str); |
| 5951 | return -EFAULT; |
| 5952 | } |
| 5953 | } |
| 5954 | } |
| 5955 | |
| 5956 | return 0; |
| 5957 | } |
| 5958 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5959 | static int get_ipa_dts_configuration(struct platform_device *pdev, |
| 5960 | struct ipa3_plat_drv_res *ipa_drv_res) |
| 5961 | { |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5962 | int i, result, pos; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5963 | struct resource *resource; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5964 | u32 *ipa_tz_unlock_reg; |
| 5965 | int elem_num; |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 5966 | u32 mhi_evid_limits[2]; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5967 | |
| 5968 | /* initialize ipa3_res */ |
| 5969 | ipa_drv_res->ipa_pipe_mem_start_ofst = IPA_PIPE_MEM_START_OFST; |
| 5970 | ipa_drv_res->ipa_pipe_mem_size = IPA_PIPE_MEM_SIZE; |
| 5971 | ipa_drv_res->ipa_hw_type = 0; |
| 5972 | ipa_drv_res->ipa3_hw_mode = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5973 | ipa_drv_res->modem_cfg_emb_pipe_flt = false; |
| 5974 | ipa_drv_res->ipa_wdi2 = false; |
Mohammed Javid | 80d0e2a | 2019-06-10 14:11:42 +0530 | [diff] [blame] | 5975 | ipa_drv_res->ipa_config_is_auto = false; |
Chaitanya Pratapa | 3f54f3b | 2019-11-10 20:24:38 -0800 | [diff] [blame] | 5976 | ipa_drv_res->use_xbl_boot = false; |
Mohammed Javid | 73cd4d2 | 2018-04-03 17:15:49 +0530 | [diff] [blame] | 5977 | ipa_drv_res->ipa_mhi_dynamic_config = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5978 | ipa_drv_res->use_64_bit_dma_mask = false; |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5979 | ipa_drv_res->use_bw_vote = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5980 | ipa_drv_res->wan_rx_ring_size = IPA_GENERIC_RX_POOL_SZ; |
| 5981 | ipa_drv_res->lan_rx_ring_size = IPA_GENERIC_RX_POOL_SZ; |
| 5982 | ipa_drv_res->apply_rg10_wa = false; |
| 5983 | ipa_drv_res->gsi_ch20_wa = false; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5984 | ipa_drv_res->ipa_tz_unlock_reg_num = 0; |
| 5985 | ipa_drv_res->ipa_tz_unlock_reg = NULL; |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 5986 | ipa_drv_res->mhi_evid_limits[0] = IPA_MHI_GSI_EVENT_RING_ID_START; |
| 5987 | ipa_drv_res->mhi_evid_limits[1] = IPA_MHI_GSI_EVENT_RING_ID_END; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5988 | |
| 5989 | /* Get IPA HW Version */ |
| 5990 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ipa-hw-ver", |
| 5991 | &ipa_drv_res->ipa_hw_type); |
| 5992 | if ((result) || (ipa_drv_res->ipa_hw_type == 0)) { |
| 5993 | IPAERR(":get resource failed for ipa-hw-ver!\n"); |
| 5994 | return -ENODEV; |
| 5995 | } |
| 5996 | IPADBG(": ipa_hw_type = %d", ipa_drv_res->ipa_hw_type); |
| 5997 | |
| 5998 | if (ipa_drv_res->ipa_hw_type < IPA_HW_v3_0) { |
| 5999 | IPAERR(":IPA version below 3.0 not supported!\n"); |
| 6000 | return -ENODEV; |
| 6001 | } |
| 6002 | |
| 6003 | /* Get IPA HW mode */ |
| 6004 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ipa-hw-mode", |
| 6005 | &ipa_drv_res->ipa3_hw_mode); |
| 6006 | if (result) |
| 6007 | IPADBG("using default (IPA_MODE_NORMAL) for ipa-hw-mode\n"); |
| 6008 | else |
| 6009 | IPADBG(": found ipa_drv_res->ipa3_hw_mode = %d", |
| 6010 | ipa_drv_res->ipa3_hw_mode); |
| 6011 | |
| 6012 | /* Get IPA WAN / LAN RX pool size */ |
| 6013 | result = of_property_read_u32(pdev->dev.of_node, |
| 6014 | "qcom,wan-rx-ring-size", |
| 6015 | &ipa_drv_res->wan_rx_ring_size); |
| 6016 | if (result) |
| 6017 | IPADBG("using default for wan-rx-ring-size = %u\n", |
| 6018 | ipa_drv_res->wan_rx_ring_size); |
| 6019 | else |
| 6020 | IPADBG(": found ipa_drv_res->wan-rx-ring-size = %u", |
| 6021 | ipa_drv_res->wan_rx_ring_size); |
| 6022 | |
| 6023 | result = of_property_read_u32(pdev->dev.of_node, |
| 6024 | "qcom,lan-rx-ring-size", |
| 6025 | &ipa_drv_res->lan_rx_ring_size); |
| 6026 | if (result) |
| 6027 | IPADBG("using default for lan-rx-ring-size = %u\n", |
| 6028 | ipa_drv_res->lan_rx_ring_size); |
| 6029 | else |
| 6030 | IPADBG(": found ipa_drv_res->lan-rx-ring-size = %u", |
| 6031 | ipa_drv_res->lan_rx_ring_size); |
| 6032 | |
| 6033 | ipa_drv_res->use_ipa_teth_bridge = |
| 6034 | of_property_read_bool(pdev->dev.of_node, |
| 6035 | "qcom,use-ipa-tethering-bridge"); |
| 6036 | IPADBG(": using TBDr = %s", |
| 6037 | ipa_drv_res->use_ipa_teth_bridge |
| 6038 | ? "True" : "False"); |
| 6039 | |
Mohammed Javid | 73cd4d2 | 2018-04-03 17:15:49 +0530 | [diff] [blame] | 6040 | ipa_drv_res->ipa_mhi_dynamic_config = |
| 6041 | of_property_read_bool(pdev->dev.of_node, |
| 6042 | "qcom,use-ipa-in-mhi-mode"); |
| 6043 | IPADBG(": ipa_mhi_dynamic_config (%s)\n", |
| 6044 | ipa_drv_res->ipa_mhi_dynamic_config |
| 6045 | ? "True" : "False"); |
| 6046 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6047 | ipa_drv_res->modem_cfg_emb_pipe_flt = |
| 6048 | of_property_read_bool(pdev->dev.of_node, |
| 6049 | "qcom,modem-cfg-emb-pipe-flt"); |
| 6050 | IPADBG(": modem configure embedded pipe filtering = %s\n", |
| 6051 | ipa_drv_res->modem_cfg_emb_pipe_flt |
| 6052 | ? "True" : "False"); |
| 6053 | |
| 6054 | ipa_drv_res->ipa_wdi2 = |
| 6055 | of_property_read_bool(pdev->dev.of_node, |
| 6056 | "qcom,ipa-wdi2"); |
| 6057 | IPADBG(": WDI-2.0 = %s\n", |
| 6058 | ipa_drv_res->ipa_wdi2 |
| 6059 | ? "True" : "False"); |
| 6060 | |
Mohammed Javid | 80d0e2a | 2019-06-10 14:11:42 +0530 | [diff] [blame] | 6061 | ipa_drv_res->ipa_config_is_auto = |
| 6062 | of_property_read_bool(pdev->dev.of_node, |
| 6063 | "qcom,ipa-config-is-auto"); |
| 6064 | IPADBG(": ipa-config-is-auto = %s\n", |
| 6065 | ipa_drv_res->ipa_config_is_auto |
| 6066 | ? "True" : "False"); |
| 6067 | |
Chaitanya Pratapa | 3f54f3b | 2019-11-10 20:24:38 -0800 | [diff] [blame] | 6068 | ipa_drv_res->use_xbl_boot = |
| 6069 | of_property_read_bool(pdev->dev.of_node, |
| 6070 | "qcom,use-xbl-boot"); |
| 6071 | IPADBG("Is xbl loading used ? (%s)\n", |
| 6072 | ipa_drv_res->use_xbl_boot ? "Yes":"No"); |
| 6073 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6074 | ipa_drv_res->use_64_bit_dma_mask = |
| 6075 | of_property_read_bool(pdev->dev.of_node, |
| 6076 | "qcom,use-64-bit-dma-mask"); |
| 6077 | IPADBG(": use_64_bit_dma_mask = %s\n", |
| 6078 | ipa_drv_res->use_64_bit_dma_mask |
| 6079 | ? "True" : "False"); |
| 6080 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 6081 | ipa_drv_res->use_bw_vote = |
| 6082 | of_property_read_bool(pdev->dev.of_node, |
| 6083 | "qcom,bandwidth-vote-for-ipa"); |
| 6084 | IPADBG(": use_bw_vote = %s\n", |
| 6085 | ipa_drv_res->use_bw_vote |
| 6086 | ? "True" : "False"); |
| 6087 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6088 | ipa_drv_res->skip_uc_pipe_reset = |
| 6089 | of_property_read_bool(pdev->dev.of_node, |
| 6090 | "qcom,skip-uc-pipe-reset"); |
| 6091 | IPADBG(": skip uC pipe reset = %s\n", |
| 6092 | ipa_drv_res->skip_uc_pipe_reset |
| 6093 | ? "True" : "False"); |
| 6094 | |
| 6095 | ipa_drv_res->tethered_flow_control = |
| 6096 | of_property_read_bool(pdev->dev.of_node, |
| 6097 | "qcom,tethered-flow-control"); |
| 6098 | IPADBG(": Use apps based flow control = %s\n", |
| 6099 | ipa_drv_res->tethered_flow_control |
| 6100 | ? "True" : "False"); |
| 6101 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6102 | /* Get IPA wrapper address */ |
| 6103 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 6104 | "ipa-base"); |
| 6105 | if (!resource) { |
| 6106 | IPAERR(":get resource failed for ipa-base!\n"); |
| 6107 | return -ENODEV; |
| 6108 | } |
| 6109 | ipa_drv_res->ipa_mem_base = resource->start; |
| 6110 | ipa_drv_res->ipa_mem_size = resource_size(resource); |
| 6111 | IPADBG(": ipa-base = 0x%x, size = 0x%x\n", |
| 6112 | ipa_drv_res->ipa_mem_base, |
| 6113 | ipa_drv_res->ipa_mem_size); |
| 6114 | |
| 6115 | smmu_info.ipa_base = ipa_drv_res->ipa_mem_base; |
| 6116 | smmu_info.ipa_size = ipa_drv_res->ipa_mem_size; |
| 6117 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 6118 | /* Get IPA GSI address */ |
| 6119 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 6120 | "gsi-base"); |
| 6121 | if (!resource) { |
| 6122 | IPAERR(":get resource failed for gsi-base!\n"); |
| 6123 | return -ENODEV; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6124 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 6125 | ipa_drv_res->transport_mem_base = resource->start; |
| 6126 | ipa_drv_res->transport_mem_size = resource_size(resource); |
| 6127 | IPADBG(": gsi-base = 0x%x, size = 0x%x\n", |
| 6128 | ipa_drv_res->transport_mem_base, |
| 6129 | ipa_drv_res->transport_mem_size); |
| 6130 | |
| 6131 | /* Get IPA GSI IRQ number */ |
| 6132 | resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 6133 | "gsi-irq"); |
| 6134 | if (!resource) { |
| 6135 | IPAERR(":get resource failed for gsi-irq!\n"); |
| 6136 | return -ENODEV; |
| 6137 | } |
| 6138 | ipa_drv_res->transport_irq = resource->start; |
| 6139 | IPADBG(": gsi-irq = %d\n", ipa_drv_res->transport_irq); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6140 | |
| 6141 | /* Get IPA pipe mem start ofst */ |
| 6142 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 6143 | "ipa-pipe-mem"); |
| 6144 | if (!resource) { |
| 6145 | IPADBG(":not using pipe memory - resource nonexisting\n"); |
| 6146 | } else { |
| 6147 | ipa_drv_res->ipa_pipe_mem_start_ofst = resource->start; |
| 6148 | ipa_drv_res->ipa_pipe_mem_size = resource_size(resource); |
| 6149 | IPADBG(":using pipe memory - at 0x%x of size 0x%x\n", |
| 6150 | ipa_drv_res->ipa_pipe_mem_start_ofst, |
| 6151 | ipa_drv_res->ipa_pipe_mem_size); |
| 6152 | } |
| 6153 | |
| 6154 | /* Get IPA IRQ number */ |
| 6155 | resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 6156 | "ipa-irq"); |
| 6157 | if (!resource) { |
| 6158 | IPAERR(":get resource failed for ipa-irq!\n"); |
| 6159 | return -ENODEV; |
| 6160 | } |
| 6161 | ipa_drv_res->ipa_irq = resource->start; |
| 6162 | IPADBG(":ipa-irq = %d\n", ipa_drv_res->ipa_irq); |
| 6163 | |
| 6164 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ee", |
| 6165 | &ipa_drv_res->ee); |
| 6166 | if (result) |
| 6167 | ipa_drv_res->ee = 0; |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 6168 | IPADBG(":ee = %u\n", ipa_drv_res->ee); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6169 | |
| 6170 | ipa_drv_res->apply_rg10_wa = |
| 6171 | of_property_read_bool(pdev->dev.of_node, |
| 6172 | "qcom,use-rg10-limitation-mitigation"); |
| 6173 | IPADBG(": Use Register Group 10 limitation mitigation = %s\n", |
| 6174 | ipa_drv_res->apply_rg10_wa |
| 6175 | ? "True" : "False"); |
| 6176 | |
| 6177 | ipa_drv_res->gsi_ch20_wa = |
| 6178 | of_property_read_bool(pdev->dev.of_node, |
| 6179 | "qcom,do-not-use-ch-gsi-20"); |
| 6180 | IPADBG(": GSI CH 20 WA is = %s\n", |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 6181 | ipa_drv_res->gsi_ch20_wa |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6182 | ? "Needed" : "Not needed"); |
| 6183 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 6184 | elem_num = of_property_count_elems_of_size(pdev->dev.of_node, |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 6185 | "qcom,mhi-event-ring-id-limits", sizeof(u32)); |
| 6186 | |
| 6187 | if (elem_num == 2) { |
| 6188 | if (of_property_read_u32_array(pdev->dev.of_node, |
| 6189 | "qcom,mhi-event-ring-id-limits", mhi_evid_limits, 2)) { |
| 6190 | IPAERR("failed to read mhi event ring id limits\n"); |
| 6191 | return -EFAULT; |
| 6192 | } |
| 6193 | if (mhi_evid_limits[0] > mhi_evid_limits[1]) { |
| 6194 | IPAERR("mhi event ring id low limit > high limit\n"); |
| 6195 | return -EFAULT; |
| 6196 | } |
| 6197 | ipa_drv_res->mhi_evid_limits[0] = mhi_evid_limits[0]; |
| 6198 | ipa_drv_res->mhi_evid_limits[1] = mhi_evid_limits[1]; |
| 6199 | IPADBG(": mhi-event-ring-id-limits start=%u end=%u\n", |
| 6200 | mhi_evid_limits[0], mhi_evid_limits[1]); |
| 6201 | } else { |
| 6202 | if (elem_num > 0) { |
| 6203 | IPAERR("Invalid mhi event ring id limits number %d\n", |
| 6204 | elem_num); |
| 6205 | return -EINVAL; |
| 6206 | } |
| 6207 | IPADBG("use default mhi evt ring id limits start=%u end=%u\n", |
| 6208 | ipa_drv_res->mhi_evid_limits[0], |
| 6209 | ipa_drv_res->mhi_evid_limits[1]); |
| 6210 | } |
| 6211 | |
| 6212 | elem_num = of_property_count_elems_of_size(pdev->dev.of_node, |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 6213 | "qcom,ipa-tz-unlock-reg", sizeof(u32)); |
| 6214 | |
| 6215 | if (elem_num > 0 && elem_num % 2 == 0) { |
| 6216 | ipa_drv_res->ipa_tz_unlock_reg_num = elem_num / 2; |
| 6217 | |
| 6218 | ipa_tz_unlock_reg = kcalloc(elem_num, sizeof(u32), GFP_KERNEL); |
| 6219 | if (ipa_tz_unlock_reg == NULL) |
| 6220 | return -ENOMEM; |
| 6221 | |
| 6222 | ipa_drv_res->ipa_tz_unlock_reg = kcalloc( |
| 6223 | ipa_drv_res->ipa_tz_unlock_reg_num, |
| 6224 | sizeof(*ipa_drv_res->ipa_tz_unlock_reg), |
| 6225 | GFP_KERNEL); |
| 6226 | if (ipa_drv_res->ipa_tz_unlock_reg == NULL) { |
| 6227 | kfree(ipa_tz_unlock_reg); |
| 6228 | return -ENOMEM; |
| 6229 | } |
| 6230 | |
| 6231 | if (of_property_read_u32_array(pdev->dev.of_node, |
| 6232 | "qcom,ipa-tz-unlock-reg", ipa_tz_unlock_reg, |
| 6233 | elem_num)) { |
| 6234 | IPAERR("failed to read register addresses\n"); |
| 6235 | kfree(ipa_tz_unlock_reg); |
| 6236 | kfree(ipa_drv_res->ipa_tz_unlock_reg); |
| 6237 | return -EFAULT; |
| 6238 | } |
| 6239 | |
| 6240 | pos = 0; |
| 6241 | for (i = 0; i < ipa_drv_res->ipa_tz_unlock_reg_num; i++) { |
| 6242 | ipa_drv_res->ipa_tz_unlock_reg[i].reg_addr = |
| 6243 | ipa_tz_unlock_reg[pos++]; |
| 6244 | ipa_drv_res->ipa_tz_unlock_reg[i].size = |
| 6245 | ipa_tz_unlock_reg[pos++]; |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 6246 | IPADBG("tz unlock reg %d: addr 0x%pa size %llu\n", i, |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 6247 | &ipa_drv_res->ipa_tz_unlock_reg[i].reg_addr, |
| 6248 | ipa_drv_res->ipa_tz_unlock_reg[i].size); |
| 6249 | } |
| 6250 | kfree(ipa_tz_unlock_reg); |
| 6251 | } |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 6252 | |
| 6253 | /* get IPA PM related information */ |
| 6254 | result = get_ipa_dts_pm_info(pdev, ipa_drv_res); |
| 6255 | if (result) { |
| 6256 | IPAERR("failed to get pm info from dts %d\n", result); |
| 6257 | return result; |
| 6258 | } |
| 6259 | |
Mohammed Javid | 03854df | 2018-06-20 18:36:57 +0530 | [diff] [blame] | 6260 | ipa_drv_res->wdi_over_pcie = |
Ghanim Fodi | 0ef92fc | 2018-07-08 11:21:31 +0300 | [diff] [blame] | 6261 | of_property_read_bool(pdev->dev.of_node, |
| 6262 | "qcom,wlan-ce-db-over-pcie"); |
Mohammed Javid | 03854df | 2018-06-20 18:36:57 +0530 | [diff] [blame] | 6263 | IPADBG("Is wdi_over_pcie ? (%s)\n", |
Ghanim Fodi | 0ef92fc | 2018-07-08 11:21:31 +0300 | [diff] [blame] | 6264 | ipa_drv_res->wdi_over_pcie ? "Yes":"No"); |
Mohammed Javid | 03854df | 2018-06-20 18:36:57 +0530 | [diff] [blame] | 6265 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 6266 | /* |
| 6267 | * If we're on emulator, get its interrupt controller's mem |
| 6268 | * start and size |
| 6269 | */ |
| 6270 | if (ipa_drv_res->ipa3_hw_mode == IPA_HW_MODE_EMULATION) { |
| 6271 | resource = platform_get_resource_byname( |
| 6272 | pdev, IORESOURCE_MEM, "intctrl-base"); |
| 6273 | if (!resource) { |
| 6274 | IPAERR(":Can't find intctrl-base resource\n"); |
| 6275 | return -ENODEV; |
| 6276 | } |
| 6277 | ipa_drv_res->emulator_intcntrlr_mem_base = |
| 6278 | resource->start; |
| 6279 | ipa_drv_res->emulator_intcntrlr_mem_size = |
| 6280 | resource_size(resource); |
| 6281 | IPADBG(":using intctrl-base at 0x%x of size 0x%x\n", |
| 6282 | ipa_drv_res->emulator_intcntrlr_mem_base, |
| 6283 | ipa_drv_res->emulator_intcntrlr_mem_size); |
| 6284 | } |
| 6285 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6286 | return 0; |
| 6287 | } |
| 6288 | |
| 6289 | static int ipa_smmu_wlan_cb_probe(struct device *dev) |
| 6290 | { |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6291 | struct ipa_smmu_cb_ctx *cb = ipa3_get_smmu_ctx(IPA_SMMU_CB_WLAN); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6292 | int atomic_ctx = 1; |
| 6293 | int fast = 1; |
| 6294 | int bypass = 1; |
| 6295 | int ret; |
| 6296 | u32 add_map_size; |
| 6297 | const u32 *add_map; |
| 6298 | int i; |
| 6299 | |
| 6300 | IPADBG("sub pdev=%p\n", dev); |
| 6301 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6302 | if (!smmu_info.present[IPA_SMMU_CB_WLAN]) { |
| 6303 | IPAERR("WLAN SMMU is disabled\n"); |
| 6304 | return 0; |
| 6305 | } |
| 6306 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6307 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 6308 | cb->iommu = iommu_domain_alloc(dev->bus); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6309 | if (!cb->iommu) { |
| 6310 | IPAERR("could not alloc iommu domain\n"); |
| 6311 | /* assume this failure is because iommu driver is not ready */ |
| 6312 | return -EPROBE_DEFER; |
| 6313 | } |
| 6314 | cb->valid = true; |
| 6315 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6316 | if (of_property_read_bool(dev->of_node, "qcom,smmu-s1-bypass") || |
| 6317 | ipa3_ctx->ipa_config_is_mhi) { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6318 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_WLAN] = true; |
Michael Adisumarta | 972e33e | 2017-10-20 15:24:27 -0700 | [diff] [blame] | 6319 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_WLAN] = true; |
| 6320 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6321 | if (iommu_domain_set_attr(cb->iommu, |
| 6322 | DOMAIN_ATTR_S1_BYPASS, |
| 6323 | &bypass)) { |
| 6324 | IPAERR("couldn't set bypass\n"); |
| 6325 | cb->valid = false; |
| 6326 | return -EIO; |
| 6327 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6328 | IPADBG("WLAN SMMU S1 BYPASS\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6329 | } else { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6330 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_WLAN] = false; |
Michael Adisumarta | 972e33e | 2017-10-20 15:24:27 -0700 | [diff] [blame] | 6331 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_WLAN] = false; |
| 6332 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6333 | if (iommu_domain_set_attr(cb->iommu, |
| 6334 | DOMAIN_ATTR_ATOMIC, |
| 6335 | &atomic_ctx)) { |
| 6336 | IPAERR("couldn't disable coherent HTW\n"); |
| 6337 | cb->valid = false; |
| 6338 | return -EIO; |
| 6339 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6340 | IPADBG(" WLAN SMMU ATTR ATOMIC\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6341 | |
| 6342 | if (smmu_info.fast_map) { |
| 6343 | if (iommu_domain_set_attr(cb->iommu, |
| 6344 | DOMAIN_ATTR_FAST, |
| 6345 | &fast)) { |
| 6346 | IPAERR("couldn't set fast map\n"); |
| 6347 | cb->valid = false; |
| 6348 | return -EIO; |
| 6349 | } |
| 6350 | IPADBG("SMMU fast map set\n"); |
| 6351 | } |
| 6352 | } |
| 6353 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6354 | pr_info("IPA smmu_info.s1_bypass_arr[WLAN]=%d smmu_info.fast_map=%d\n", |
| 6355 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_WLAN], smmu_info.fast_map); |
| 6356 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6357 | ret = iommu_attach_device(cb->iommu, dev); |
| 6358 | if (ret) { |
| 6359 | IPAERR("could not attach device ret=%d\n", ret); |
| 6360 | cb->valid = false; |
| 6361 | return ret; |
| 6362 | } |
| 6363 | /* MAP ipa-uc ram */ |
| 6364 | add_map = of_get_property(dev->of_node, |
| 6365 | "qcom,additional-mapping", &add_map_size); |
| 6366 | if (add_map) { |
| 6367 | /* mapping size is an array of 3-tuple of u32 */ |
| 6368 | if (add_map_size % (3 * sizeof(u32))) { |
| 6369 | IPAERR("wrong additional mapping format\n"); |
| 6370 | cb->valid = false; |
| 6371 | return -EFAULT; |
| 6372 | } |
| 6373 | |
| 6374 | /* iterate of each entry of the additional mapping array */ |
| 6375 | for (i = 0; i < add_map_size / sizeof(u32); i += 3) { |
| 6376 | u32 iova = be32_to_cpu(add_map[i]); |
| 6377 | u32 pa = be32_to_cpu(add_map[i + 1]); |
| 6378 | u32 size = be32_to_cpu(add_map[i + 2]); |
| 6379 | unsigned long iova_p; |
| 6380 | phys_addr_t pa_p; |
| 6381 | u32 size_p; |
| 6382 | |
| 6383 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, |
| 6384 | iova_p, pa_p, size_p); |
| 6385 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 6386 | iova_p, &pa_p, size_p); |
| 6387 | ipa3_iommu_map(cb->iommu, |
| 6388 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 6389 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6390 | } |
| 6391 | } |
| 6392 | return 0; |
| 6393 | } |
| 6394 | |
| 6395 | static int ipa_smmu_uc_cb_probe(struct device *dev) |
| 6396 | { |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6397 | struct ipa_smmu_cb_ctx *cb = ipa3_get_smmu_ctx(IPA_SMMU_CB_UC); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6398 | int atomic_ctx = 1; |
| 6399 | int bypass = 1; |
| 6400 | int fast = 1; |
| 6401 | int ret; |
| 6402 | u32 iova_ap_mapping[2]; |
| 6403 | |
| 6404 | IPADBG("UC CB PROBE sub pdev=%p\n", dev); |
| 6405 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6406 | if (!smmu_info.present[IPA_SMMU_CB_UC]) { |
| 6407 | IPAERR("UC SMMU is disabled\n"); |
| 6408 | return 0; |
| 6409 | } |
| 6410 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6411 | ret = of_property_read_u32_array(dev->of_node, "qcom,iova-mapping", |
| 6412 | iova_ap_mapping, 2); |
| 6413 | if (ret) { |
| 6414 | IPAERR("Fail to read UC start/size iova addresses\n"); |
| 6415 | return ret; |
| 6416 | } |
| 6417 | cb->va_start = iova_ap_mapping[0]; |
| 6418 | cb->va_size = iova_ap_mapping[1]; |
| 6419 | cb->va_end = cb->va_start + cb->va_size; |
| 6420 | IPADBG("UC va_start=0x%x va_sise=0x%x\n", cb->va_start, cb->va_size); |
| 6421 | |
| 6422 | if (smmu_info.use_64_bit_dma_mask) { |
| 6423 | if (dma_set_mask(dev, DMA_BIT_MASK(64)) || |
| 6424 | dma_set_coherent_mask(dev, DMA_BIT_MASK(64))) { |
| 6425 | IPAERR("DMA set 64bit mask failed\n"); |
| 6426 | return -EOPNOTSUPP; |
| 6427 | } |
| 6428 | } else { |
| 6429 | if (dma_set_mask(dev, DMA_BIT_MASK(32)) || |
| 6430 | dma_set_coherent_mask(dev, DMA_BIT_MASK(32))) { |
| 6431 | IPAERR("DMA set 32bit mask failed\n"); |
| 6432 | return -EOPNOTSUPP; |
| 6433 | } |
| 6434 | } |
| 6435 | IPADBG("UC CB PROBE=%p create IOMMU mapping\n", dev); |
| 6436 | |
| 6437 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 6438 | cb->mapping = arm_iommu_create_mapping(dev->bus, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6439 | cb->va_start, cb->va_size); |
| 6440 | if (IS_ERR_OR_NULL(cb->mapping)) { |
| 6441 | IPADBG("Fail to create mapping\n"); |
| 6442 | /* assume this failure is because iommu driver is not ready */ |
| 6443 | return -EPROBE_DEFER; |
| 6444 | } |
| 6445 | IPADBG("SMMU mapping created\n"); |
| 6446 | cb->valid = true; |
| 6447 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6448 | IPADBG("UC CB PROBE sub pdev=%p set attribute\n", dev); |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6449 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6450 | if (of_property_read_bool(dev->of_node, "qcom,smmu-s1-bypass") || |
| 6451 | ipa3_ctx->ipa_config_is_mhi) { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6452 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_UC] = true; |
Michael Adisumarta | 972e33e | 2017-10-20 15:24:27 -0700 | [diff] [blame] | 6453 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_UC] = true; |
| 6454 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6455 | if (iommu_domain_set_attr(cb->mapping->domain, |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6456 | DOMAIN_ATTR_S1_BYPASS, |
| 6457 | &bypass)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6458 | IPAERR("couldn't set bypass\n"); |
| 6459 | arm_iommu_release_mapping(cb->mapping); |
| 6460 | cb->valid = false; |
| 6461 | return -EIO; |
| 6462 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6463 | IPADBG("UC SMMU S1 BYPASS\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6464 | } else { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6465 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_UC] = false; |
Michael Adisumarta | 972e33e | 2017-10-20 15:24:27 -0700 | [diff] [blame] | 6466 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_UC] = false; |
| 6467 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6468 | if (iommu_domain_set_attr(cb->mapping->domain, |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6469 | DOMAIN_ATTR_ATOMIC, |
| 6470 | &atomic_ctx)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6471 | IPAERR("couldn't set domain as atomic\n"); |
| 6472 | arm_iommu_release_mapping(cb->mapping); |
| 6473 | cb->valid = false; |
| 6474 | return -EIO; |
| 6475 | } |
| 6476 | IPADBG("SMMU atomic set\n"); |
| 6477 | |
| 6478 | if (smmu_info.fast_map) { |
| 6479 | if (iommu_domain_set_attr(cb->mapping->domain, |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6480 | DOMAIN_ATTR_FAST, |
| 6481 | &fast)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6482 | IPAERR("couldn't set fast map\n"); |
| 6483 | arm_iommu_release_mapping(cb->mapping); |
| 6484 | cb->valid = false; |
| 6485 | return -EIO; |
| 6486 | } |
| 6487 | IPADBG("SMMU fast map set\n"); |
| 6488 | } |
| 6489 | } |
| 6490 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6491 | pr_info("IPA smmu_info.s1_bypass_arr[UC]=%d smmu_info.fast_map=%d\n", |
| 6492 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_UC], smmu_info.fast_map); |
| 6493 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6494 | IPADBG("UC CB PROBE sub pdev=%p attaching IOMMU device\n", dev); |
| 6495 | ret = arm_iommu_attach_device(cb->dev, cb->mapping); |
| 6496 | if (ret) { |
| 6497 | IPAERR("could not attach device ret=%d\n", ret); |
| 6498 | arm_iommu_release_mapping(cb->mapping); |
| 6499 | cb->valid = false; |
| 6500 | return ret; |
| 6501 | } |
| 6502 | |
| 6503 | cb->next_addr = cb->va_end; |
| 6504 | ipa3_ctx->uc_pdev = dev; |
| 6505 | |
| 6506 | return 0; |
| 6507 | } |
| 6508 | |
| 6509 | static int ipa_smmu_ap_cb_probe(struct device *dev) |
| 6510 | { |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6511 | struct ipa_smmu_cb_ctx *cb = ipa3_get_smmu_ctx(IPA_SMMU_CB_AP); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6512 | int result; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6513 | int atomic_ctx = 1; |
| 6514 | int fast = 1; |
| 6515 | int bypass = 1; |
| 6516 | u32 iova_ap_mapping[2]; |
| 6517 | u32 add_map_size; |
Mohammed Javid | 36d13cf | 2018-01-26 22:49:03 +0530 | [diff] [blame] | 6518 | u32 q6_smem_size; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6519 | const u32 *add_map; |
| 6520 | void *smem_addr; |
| 6521 | int i; |
| 6522 | |
| 6523 | IPADBG("AP CB probe: sub pdev=%p\n", dev); |
| 6524 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6525 | if (!smmu_info.present[IPA_SMMU_CB_AP]) { |
| 6526 | IPAERR("AP SMMU is disabled"); |
| 6527 | return 0; |
| 6528 | } |
| 6529 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6530 | result = of_property_read_u32_array(dev->of_node, "qcom,iova-mapping", |
| 6531 | iova_ap_mapping, 2); |
| 6532 | if (result) { |
| 6533 | IPAERR("Fail to read AP start/size iova addresses\n"); |
| 6534 | return result; |
| 6535 | } |
| 6536 | cb->va_start = iova_ap_mapping[0]; |
| 6537 | cb->va_size = iova_ap_mapping[1]; |
| 6538 | cb->va_end = cb->va_start + cb->va_size; |
| 6539 | IPADBG("AP va_start=0x%x va_sise=0x%x\n", cb->va_start, cb->va_size); |
| 6540 | |
| 6541 | if (smmu_info.use_64_bit_dma_mask) { |
| 6542 | if (dma_set_mask(dev, DMA_BIT_MASK(64)) || |
| 6543 | dma_set_coherent_mask(dev, DMA_BIT_MASK(64))) { |
| 6544 | IPAERR("DMA set 64bit mask failed\n"); |
| 6545 | return -EOPNOTSUPP; |
| 6546 | } |
| 6547 | } else { |
| 6548 | if (dma_set_mask(dev, DMA_BIT_MASK(32)) || |
| 6549 | dma_set_coherent_mask(dev, DMA_BIT_MASK(32))) { |
| 6550 | IPAERR("DMA set 32bit mask failed\n"); |
| 6551 | return -EOPNOTSUPP; |
| 6552 | } |
| 6553 | } |
| 6554 | |
| 6555 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 6556 | cb->mapping = arm_iommu_create_mapping(dev->bus, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6557 | cb->va_start, cb->va_size); |
| 6558 | if (IS_ERR_OR_NULL(cb->mapping)) { |
| 6559 | IPADBG("Fail to create mapping\n"); |
| 6560 | /* assume this failure is because iommu driver is not ready */ |
| 6561 | return -EPROBE_DEFER; |
| 6562 | } |
| 6563 | IPADBG("SMMU mapping created\n"); |
| 6564 | cb->valid = true; |
| 6565 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6566 | if (of_property_read_bool(dev->of_node, |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6567 | "qcom,smmu-s1-bypass") || ipa3_ctx->ipa_config_is_mhi) { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6568 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_AP] = true; |
Skylar Chang | e87894f | 2018-04-02 15:49:12 -0700 | [diff] [blame] | 6569 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_AP] = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6570 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 6571 | DOMAIN_ATTR_S1_BYPASS, |
| 6572 | &bypass)) { |
| 6573 | IPAERR("couldn't set bypass\n"); |
| 6574 | arm_iommu_release_mapping(cb->mapping); |
| 6575 | cb->valid = false; |
| 6576 | return -EIO; |
| 6577 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6578 | IPADBG("AP/USB SMMU S1 BYPASS\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6579 | } else { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6580 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_AP] = false; |
Skylar Chang | e87894f | 2018-04-02 15:49:12 -0700 | [diff] [blame] | 6581 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_AP] = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6582 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 6583 | DOMAIN_ATTR_ATOMIC, |
| 6584 | &atomic_ctx)) { |
| 6585 | IPAERR("couldn't set domain as atomic\n"); |
| 6586 | arm_iommu_release_mapping(cb->mapping); |
| 6587 | cb->valid = false; |
| 6588 | return -EIO; |
| 6589 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6590 | IPADBG("AP/USB SMMU atomic set\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6591 | |
Skylar Chang | 578e1a4 | 2018-06-15 10:33:26 -0700 | [diff] [blame] | 6592 | if (smmu_info.fast_map) { |
| 6593 | if (iommu_domain_set_attr(cb->mapping->domain, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6594 | DOMAIN_ATTR_FAST, |
| 6595 | &fast)) { |
Skylar Chang | 578e1a4 | 2018-06-15 10:33:26 -0700 | [diff] [blame] | 6596 | IPAERR("couldn't set fast map\n"); |
| 6597 | arm_iommu_release_mapping(cb->mapping); |
| 6598 | cb->valid = false; |
| 6599 | return -EIO; |
| 6600 | } |
| 6601 | IPADBG("SMMU fast map set\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6602 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6603 | } |
| 6604 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6605 | pr_info("IPA smmu_info.s1_bypass_arr[AP]=%d smmu_info.fast_map=%d\n", |
| 6606 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_AP], smmu_info.fast_map); |
| 6607 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6608 | result = arm_iommu_attach_device(cb->dev, cb->mapping); |
| 6609 | if (result) { |
| 6610 | IPAERR("couldn't attach to IOMMU ret=%d\n", result); |
| 6611 | cb->valid = false; |
| 6612 | return result; |
| 6613 | } |
| 6614 | |
| 6615 | add_map = of_get_property(dev->of_node, |
| 6616 | "qcom,additional-mapping", &add_map_size); |
| 6617 | if (add_map) { |
| 6618 | /* mapping size is an array of 3-tuple of u32 */ |
| 6619 | if (add_map_size % (3 * sizeof(u32))) { |
| 6620 | IPAERR("wrong additional mapping format\n"); |
| 6621 | cb->valid = false; |
| 6622 | return -EFAULT; |
| 6623 | } |
| 6624 | |
| 6625 | /* iterate of each entry of the additional mapping array */ |
| 6626 | for (i = 0; i < add_map_size / sizeof(u32); i += 3) { |
| 6627 | u32 iova = be32_to_cpu(add_map[i]); |
| 6628 | u32 pa = be32_to_cpu(add_map[i + 1]); |
| 6629 | u32 size = be32_to_cpu(add_map[i + 2]); |
| 6630 | unsigned long iova_p; |
| 6631 | phys_addr_t pa_p; |
| 6632 | u32 size_p; |
| 6633 | |
| 6634 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, |
| 6635 | iova_p, pa_p, size_p); |
| 6636 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 6637 | iova_p, &pa_p, size_p); |
| 6638 | ipa3_iommu_map(cb->mapping->domain, |
| 6639 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 6640 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6641 | } |
| 6642 | } |
| 6643 | |
Mohammed Javid | 36d13cf | 2018-01-26 22:49:03 +0530 | [diff] [blame] | 6644 | result = of_property_read_u32_array(dev->of_node, |
| 6645 | "qcom,ipa-q6-smem-size", &q6_smem_size, 1); |
| 6646 | if (result) { |
| 6647 | IPADBG("ipa q6 smem size = %d\n", IPA_SMEM_SIZE); |
| 6648 | /* map SMEM memory for IPA table accesses */ |
| 6649 | smem_addr = smem_alloc(SMEM_IPA_FILTER_TABLE, IPA_SMEM_SIZE, |
| 6650 | SMEM_MODEM, 0); |
Chaitanya Pratapa | 4c38c59 | 2019-07-31 19:56:44 +0530 | [diff] [blame] | 6651 | q6_smem_size = IPA_SMEM_SIZE; |
Mohammed Javid | 36d13cf | 2018-01-26 22:49:03 +0530 | [diff] [blame] | 6652 | } else { |
| 6653 | IPADBG("ipa q6 smem size = %d\n", q6_smem_size); |
| 6654 | smem_addr = smem_alloc(SMEM_IPA_FILTER_TABLE, q6_smem_size, |
| 6655 | SMEM_MODEM, 0); |
| 6656 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6657 | if (smem_addr) { |
| 6658 | phys_addr_t iova = smem_virt_to_phys(smem_addr); |
| 6659 | phys_addr_t pa = iova; |
| 6660 | unsigned long iova_p; |
| 6661 | phys_addr_t pa_p; |
| 6662 | u32 size_p; |
| 6663 | |
Chaitanya Pratapa | 4c38c59 | 2019-07-31 19:56:44 +0530 | [diff] [blame] | 6664 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, q6_smem_size, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6665 | iova_p, pa_p, size_p); |
| 6666 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 6667 | iova_p, &pa_p, size_p); |
| 6668 | ipa3_iommu_map(cb->mapping->domain, |
| 6669 | iova_p, pa_p, size_p, |
Skylar Chang | 2d1a762 | 2018-05-30 17:01:58 -0700 | [diff] [blame] | 6670 | IOMMU_READ | IOMMU_WRITE); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6671 | } |
| 6672 | |
| 6673 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6674 | smmu_info.present[IPA_SMMU_CB_AP] = true; |
| 6675 | ipa3_ctx->pdev = dev; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6676 | |
Michael Adisumarta | c8c404a | 2018-04-05 18:01:45 -0700 | [diff] [blame] | 6677 | return 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6678 | } |
| 6679 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6680 | static int ipa_smmu_cb_probe(struct device *dev, enum ipa_smmu_cb_type cb_type) |
| 6681 | { |
| 6682 | switch (cb_type) { |
| 6683 | case IPA_SMMU_CB_AP: |
| 6684 | return ipa_smmu_ap_cb_probe(dev); |
| 6685 | case IPA_SMMU_CB_WLAN: |
| 6686 | return ipa_smmu_wlan_cb_probe(dev); |
| 6687 | case IPA_SMMU_CB_UC: |
| 6688 | return ipa_smmu_uc_cb_probe(dev); |
| 6689 | case IPA_SMMU_CB_MAX: |
| 6690 | IPAERR("Invalid cb_type\n"); |
| 6691 | } |
| 6692 | return 0; |
| 6693 | } |
| 6694 | |
| 6695 | static int ipa3_attach_to_smmu(void) |
| 6696 | { |
| 6697 | struct ipa_smmu_cb_ctx *cb; |
| 6698 | int i, result; |
| 6699 | |
| 6700 | ipa3_ctx->pdev = &ipa3_ctx->master_pdev->dev; |
| 6701 | ipa3_ctx->uc_pdev = &ipa3_ctx->master_pdev->dev; |
| 6702 | |
| 6703 | if (smmu_info.arm_smmu) { |
| 6704 | IPADBG("smmu is enabled\n"); |
| 6705 | for (i = 0; i < IPA_SMMU_CB_MAX; i++) { |
| 6706 | cb = ipa3_get_smmu_ctx(i); |
| 6707 | result = ipa_smmu_cb_probe(cb->dev, i); |
| 6708 | if (result) |
| 6709 | IPAERR("probe failed for cb %d\n", i); |
| 6710 | } |
| 6711 | } else { |
| 6712 | IPADBG("smmu is disabled\n"); |
| 6713 | } |
| 6714 | return 0; |
| 6715 | } |
| 6716 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6717 | static irqreturn_t ipa3_smp2p_modem_clk_query_isr(int irq, void *ctxt) |
| 6718 | { |
| 6719 | ipa3_freeze_clock_vote_and_notify_modem(); |
| 6720 | |
| 6721 | return IRQ_HANDLED; |
| 6722 | } |
| 6723 | |
| 6724 | static int ipa3_smp2p_probe(struct device *dev) |
| 6725 | { |
| 6726 | struct device_node *node = dev->of_node; |
| 6727 | int res; |
| 6728 | |
Mohammed Javid | 7de1270 | 2017-07-21 15:22:58 +0530 | [diff] [blame] | 6729 | if (ipa3_ctx == NULL) { |
| 6730 | IPAERR("ipa3_ctx was not initialized\n"); |
| 6731 | return -ENXIO; |
| 6732 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6733 | IPADBG("node->name=%s\n", node->name); |
| 6734 | if (strcmp("qcom,smp2pgpio_map_ipa_1_out", node->name) == 0) { |
| 6735 | res = of_get_gpio(node, 0); |
| 6736 | if (res < 0) { |
| 6737 | IPADBG("of_get_gpio returned %d\n", res); |
| 6738 | return res; |
| 6739 | } |
| 6740 | |
| 6741 | ipa3_ctx->smp2p_info.out_base_id = res; |
| 6742 | IPADBG("smp2p out_base_id=%d\n", |
| 6743 | ipa3_ctx->smp2p_info.out_base_id); |
| 6744 | } else if (strcmp("qcom,smp2pgpio_map_ipa_1_in", node->name) == 0) { |
| 6745 | int irq; |
| 6746 | |
| 6747 | res = of_get_gpio(node, 0); |
| 6748 | if (res < 0) { |
| 6749 | IPADBG("of_get_gpio returned %d\n", res); |
| 6750 | return res; |
| 6751 | } |
| 6752 | |
| 6753 | ipa3_ctx->smp2p_info.in_base_id = res; |
| 6754 | IPADBG("smp2p in_base_id=%d\n", |
| 6755 | ipa3_ctx->smp2p_info.in_base_id); |
| 6756 | |
| 6757 | /* register for modem clk query */ |
| 6758 | irq = gpio_to_irq(ipa3_ctx->smp2p_info.in_base_id + |
| 6759 | IPA_GPIO_IN_QUERY_CLK_IDX); |
| 6760 | if (irq < 0) { |
| 6761 | IPAERR("gpio_to_irq failed %d\n", irq); |
| 6762 | return -ENODEV; |
| 6763 | } |
| 6764 | IPADBG("smp2p irq#=%d\n", irq); |
| 6765 | res = request_irq(irq, |
| 6766 | (irq_handler_t)ipa3_smp2p_modem_clk_query_isr, |
| 6767 | IRQF_TRIGGER_RISING, "ipa_smp2p_clk_vote", dev); |
| 6768 | if (res) { |
| 6769 | IPAERR("fail to register smp2p irq=%d\n", irq); |
| 6770 | return -ENODEV; |
| 6771 | } |
| 6772 | res = enable_irq_wake(ipa3_ctx->smp2p_info.in_base_id + |
| 6773 | IPA_GPIO_IN_QUERY_CLK_IDX); |
| 6774 | if (res) |
| 6775 | IPAERR("failed to enable irq wake\n"); |
| 6776 | } |
| 6777 | |
| 6778 | return 0; |
| 6779 | } |
| 6780 | |
| 6781 | int ipa3_plat_drv_probe(struct platform_device *pdev_p, |
| 6782 | struct ipa_api_controller *api_ctrl, |
| 6783 | const struct of_device_id *pdrv_match) |
| 6784 | { |
| 6785 | int result; |
| 6786 | struct device *dev = &pdev_p->dev; |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6787 | struct ipa_smmu_cb_ctx *cb; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6788 | |
| 6789 | IPADBG("IPA driver probing started\n"); |
| 6790 | IPADBG("dev->of_node->name = %s\n", dev->of_node->name); |
| 6791 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6792 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-ap-cb")) { |
| 6793 | cb = ipa3_get_smmu_ctx(IPA_SMMU_CB_AP); |
| 6794 | cb->dev = dev; |
| 6795 | smmu_info.present[IPA_SMMU_CB_AP] = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6796 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6797 | return 0; |
| 6798 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6799 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6800 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-wlan-cb")) { |
| 6801 | cb = ipa3_get_smmu_ctx(IPA_SMMU_CB_WLAN); |
| 6802 | cb->dev = dev; |
| 6803 | smmu_info.present[IPA_SMMU_CB_WLAN] = true; |
| 6804 | |
| 6805 | return 0; |
| 6806 | } |
| 6807 | |
| 6808 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-uc-cb")) { |
| 6809 | cb = ipa3_get_smmu_ctx(IPA_SMMU_CB_UC); |
| 6810 | cb->dev = dev; |
| 6811 | smmu_info.present[IPA_SMMU_CB_UC] = true; |
| 6812 | |
Chaitanya Pratapa | 3f54f3b | 2019-11-10 20:24:38 -0800 | [diff] [blame] | 6813 | if (ipa3_ctx->use_xbl_boot) { |
| 6814 | /* Ensure uC probe is the last. */ |
| 6815 | if (!smmu_info.present[IPA_SMMU_CB_AP] || |
| 6816 | !smmu_info.present[IPA_SMMU_CB_WLAN]) { |
| 6817 | IPAERR("AP or WLAN CB probe not done. Defer"); |
| 6818 | return -EPROBE_DEFER; |
| 6819 | } |
| 6820 | |
| 6821 | pr_info("Using XBL boot load for IPA FW\n"); |
| 6822 | ipa3_ctx->fw_loaded = true; |
| 6823 | |
| 6824 | result = ipa3_attach_to_smmu(); |
| 6825 | if (result) { |
| 6826 | IPAERR("IPA attach to smmu failed %d\n", |
| 6827 | result); |
| 6828 | return result; |
| 6829 | } |
| 6830 | |
| 6831 | result = ipa3_post_init(&ipa3_res, ipa3_ctx->cdev.dev); |
| 6832 | if (result) { |
| 6833 | IPAERR("IPA post init failed %d\n", result); |
| 6834 | return result; |
| 6835 | } |
| 6836 | } |
| 6837 | |
| 6838 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6839 | return 0; |
| 6840 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6841 | |
| 6842 | if (of_device_is_compatible(dev->of_node, |
| 6843 | "qcom,smp2pgpio-map-ipa-1-in")) |
| 6844 | return ipa3_smp2p_probe(dev); |
| 6845 | |
| 6846 | if (of_device_is_compatible(dev->of_node, |
| 6847 | "qcom,smp2pgpio-map-ipa-1-out")) |
| 6848 | return ipa3_smp2p_probe(dev); |
| 6849 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6850 | result = get_ipa_dts_configuration(pdev_p, &ipa3_res); |
| 6851 | if (result) { |
| 6852 | IPAERR("IPA dts parsing failed\n"); |
| 6853 | return result; |
| 6854 | } |
| 6855 | |
| 6856 | result = ipa3_bind_api_controller(ipa3_res.ipa_hw_type, api_ctrl); |
| 6857 | if (result) { |
| 6858 | IPAERR("IPA API binding failed\n"); |
| 6859 | return result; |
| 6860 | } |
| 6861 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6862 | if (of_property_read_bool(pdev_p->dev.of_node, "qcom,arm-smmu")) { |
| 6863 | if (of_property_read_bool(pdev_p->dev.of_node, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6864 | "qcom,smmu-fast-map")) |
| 6865 | smmu_info.fast_map = true; |
| 6866 | if (of_property_read_bool(pdev_p->dev.of_node, |
| 6867 | "qcom,use-64-bit-dma-mask")) |
| 6868 | smmu_info.use_64_bit_dma_mask = true; |
| 6869 | smmu_info.arm_smmu = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6870 | } else if (of_property_read_bool(pdev_p->dev.of_node, |
| 6871 | "qcom,msm-smmu")) { |
| 6872 | IPAERR("Legacy IOMMU not supported\n"); |
| 6873 | result = -EOPNOTSUPP; |
| 6874 | } else { |
| 6875 | if (of_property_read_bool(pdev_p->dev.of_node, |
| 6876 | "qcom,use-64-bit-dma-mask")) { |
| 6877 | if (dma_set_mask(&pdev_p->dev, DMA_BIT_MASK(64)) || |
| 6878 | dma_set_coherent_mask(&pdev_p->dev, |
| 6879 | DMA_BIT_MASK(64))) { |
| 6880 | IPAERR("DMA set 64bit mask failed\n"); |
| 6881 | return -EOPNOTSUPP; |
| 6882 | } |
| 6883 | } else { |
| 6884 | if (dma_set_mask(&pdev_p->dev, DMA_BIT_MASK(32)) || |
| 6885 | dma_set_coherent_mask(&pdev_p->dev, |
| 6886 | DMA_BIT_MASK(32))) { |
| 6887 | IPAERR("DMA set 32bit mask failed\n"); |
| 6888 | return -EOPNOTSUPP; |
| 6889 | } |
| 6890 | } |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6891 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6892 | |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 6893 | /* Proceed to real initialization */ |
| 6894 | result = ipa3_pre_init(&ipa3_res, pdev_p); |
| 6895 | if (result) { |
| 6896 | IPAERR("ipa3_init failed\n"); |
| 6897 | return result; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6898 | } |
| 6899 | |
Ghanim Fodi | 115bf8a | 2017-04-21 01:36:06 -0700 | [diff] [blame] | 6900 | result = of_platform_populate(pdev_p->dev.of_node, |
| 6901 | pdrv_match, NULL, &pdev_p->dev); |
| 6902 | if (result) { |
| 6903 | IPAERR("failed to populate platform\n"); |
| 6904 | return result; |
| 6905 | } |
| 6906 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6907 | return result; |
| 6908 | } |
| 6909 | |
| 6910 | /** |
| 6911 | * ipa3_ap_suspend() - suspend callback for runtime_pm |
| 6912 | * @dev: pointer to device |
| 6913 | * |
| 6914 | * This callback will be invoked by the runtime_pm framework when an AP suspend |
| 6915 | * operation is invoked, usually by pressing a suspend button. |
| 6916 | * |
| 6917 | * Returns -EAGAIN to runtime_pm framework in case IPA is in use by AP. |
| 6918 | * This will postpone the suspend operation until IPA is no longer used by AP. |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 6919 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6920 | int ipa3_ap_suspend(struct device *dev) |
| 6921 | { |
| 6922 | int i; |
| 6923 | |
| 6924 | IPADBG("Enter...\n"); |
| 6925 | |
| 6926 | /* In case there is a tx/rx handler in polling mode fail to suspend */ |
| 6927 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 6928 | if (ipa3_ctx->ep[i].sys && |
| 6929 | atomic_read(&ipa3_ctx->ep[i].sys->curr_polling_state)) { |
| 6930 | IPAERR("EP %d is in polling state, do not suspend\n", |
| 6931 | i); |
| 6932 | return -EAGAIN; |
| 6933 | } |
| 6934 | } |
| 6935 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 6936 | if (ipa3_ctx->use_ipa_pm) { |
| 6937 | ipa_pm_deactivate_all_deferred(); |
| 6938 | } else { |
| 6939 | /* |
| 6940 | * Release transport IPA resource without waiting |
| 6941 | * for inactivity timer |
| 6942 | */ |
| 6943 | atomic_set(&ipa3_ctx->transport_pm.eot_activity, 0); |
| 6944 | ipa3_transport_release_resource(NULL); |
| 6945 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6946 | IPADBG("Exit\n"); |
| 6947 | |
| 6948 | return 0; |
| 6949 | } |
| 6950 | |
| 6951 | /** |
Skylar Chang | 68c37d8 | 2018-04-07 16:42:36 -0700 | [diff] [blame] | 6952 | * ipa3_ap_resume() - resume callback for runtime_pm |
| 6953 | * @dev: pointer to device |
| 6954 | * |
| 6955 | * This callback will be invoked by the runtime_pm framework when an AP resume |
| 6956 | * operation is invoked. |
| 6957 | * |
| 6958 | * Always returns 0 since resume should always succeed. |
| 6959 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6960 | int ipa3_ap_resume(struct device *dev) |
| 6961 | { |
| 6962 | return 0; |
| 6963 | } |
| 6964 | |
| 6965 | struct ipa3_context *ipa3_get_ctx(void) |
| 6966 | { |
| 6967 | return ipa3_ctx; |
| 6968 | } |
| 6969 | |
Amir Levy | 8fb98e0 | 2019-10-29 14:22:26 +0200 | [diff] [blame] | 6970 | bool ipa3_get_lan_rx_napi(void) |
| 6971 | { |
| 6972 | return false; |
| 6973 | } |
| 6974 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6975 | static void ipa_gsi_notify_cb(struct gsi_per_notify *notify) |
| 6976 | { |
| 6977 | switch (notify->evt_id) { |
| 6978 | case GSI_PER_EVT_GLOB_ERROR: |
| 6979 | IPAERR("Got GSI_PER_EVT_GLOB_ERROR\n"); |
| 6980 | IPAERR("Err_desc = 0x%04x\n", notify->data.err_desc); |
| 6981 | break; |
| 6982 | case GSI_PER_EVT_GLOB_GP1: |
| 6983 | IPAERR("Got GSI_PER_EVT_GLOB_GP1\n"); |
| 6984 | BUG(); |
| 6985 | break; |
| 6986 | case GSI_PER_EVT_GLOB_GP2: |
| 6987 | IPAERR("Got GSI_PER_EVT_GLOB_GP2\n"); |
| 6988 | BUG(); |
| 6989 | break; |
| 6990 | case GSI_PER_EVT_GLOB_GP3: |
| 6991 | IPAERR("Got GSI_PER_EVT_GLOB_GP3\n"); |
| 6992 | BUG(); |
| 6993 | break; |
| 6994 | case GSI_PER_EVT_GENERAL_BREAK_POINT: |
| 6995 | IPAERR("Got GSI_PER_EVT_GENERAL_BREAK_POINT\n"); |
| 6996 | break; |
| 6997 | case GSI_PER_EVT_GENERAL_BUS_ERROR: |
| 6998 | IPAERR("Got GSI_PER_EVT_GENERAL_BUS_ERROR\n"); |
| 6999 | BUG(); |
| 7000 | break; |
| 7001 | case GSI_PER_EVT_GENERAL_CMD_FIFO_OVERFLOW: |
| 7002 | IPAERR("Got GSI_PER_EVT_GENERAL_CMD_FIFO_OVERFLOW\n"); |
| 7003 | BUG(); |
| 7004 | break; |
| 7005 | case GSI_PER_EVT_GENERAL_MCS_STACK_OVERFLOW: |
| 7006 | IPAERR("Got GSI_PER_EVT_GENERAL_MCS_STACK_OVERFLOW\n"); |
| 7007 | BUG(); |
| 7008 | break; |
| 7009 | default: |
| 7010 | IPAERR("Received unexpected evt: %d\n", |
| 7011 | notify->evt_id); |
| 7012 | BUG(); |
| 7013 | } |
| 7014 | } |
| 7015 | |
| 7016 | int ipa3_register_ipa_ready_cb(void (*ipa_ready_cb)(void *), void *user_data) |
| 7017 | { |
| 7018 | struct ipa3_ready_cb_info *cb_info = NULL; |
| 7019 | |
| 7020 | /* check ipa3_ctx existed or not */ |
| 7021 | if (!ipa3_ctx) { |
| 7022 | IPADBG("IPA driver haven't initialized\n"); |
| 7023 | return -ENXIO; |
| 7024 | } |
| 7025 | mutex_lock(&ipa3_ctx->lock); |
| 7026 | if (ipa3_ctx->ipa_initialization_complete) { |
| 7027 | mutex_unlock(&ipa3_ctx->lock); |
| 7028 | IPADBG("IPA driver finished initialization already\n"); |
| 7029 | return -EEXIST; |
| 7030 | } |
| 7031 | |
| 7032 | cb_info = kmalloc(sizeof(struct ipa3_ready_cb_info), GFP_KERNEL); |
| 7033 | if (!cb_info) { |
| 7034 | mutex_unlock(&ipa3_ctx->lock); |
| 7035 | return -ENOMEM; |
| 7036 | } |
| 7037 | |
| 7038 | cb_info->ready_cb = ipa_ready_cb; |
| 7039 | cb_info->user_data = user_data; |
| 7040 | |
| 7041 | list_add_tail(&cb_info->link, &ipa3_ctx->ipa_ready_cb_list); |
| 7042 | mutex_unlock(&ipa3_ctx->lock); |
| 7043 | |
| 7044 | return 0; |
| 7045 | } |
| 7046 | |
| 7047 | int ipa3_iommu_map(struct iommu_domain *domain, |
| 7048 | unsigned long iova, phys_addr_t paddr, size_t size, int prot) |
| 7049 | { |
Skylar Chang | efc0a0f | 2018-03-29 11:17:40 -0700 | [diff] [blame] | 7050 | struct ipa_smmu_cb_ctx *ap_cb = ipa3_get_smmu_ctx(IPA_SMMU_CB_AP); |
| 7051 | struct ipa_smmu_cb_ctx *uc_cb = ipa3_get_smmu_ctx(IPA_SMMU_CB_UC); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 7052 | |
| 7053 | IPADBG("domain =0x%p iova 0x%lx\n", domain, iova); |
| 7054 | IPADBG("paddr =0x%pa size 0x%x\n", &paddr, (u32)size); |
| 7055 | |
| 7056 | /* make sure no overlapping */ |
| 7057 | if (domain == ipa3_get_smmu_domain()) { |
| 7058 | if (iova >= ap_cb->va_start && iova < ap_cb->va_end) { |
| 7059 | IPAERR("iommu AP overlap addr 0x%lx\n", iova); |
| 7060 | ipa_assert(); |
| 7061 | return -EFAULT; |
| 7062 | } |
| 7063 | } else if (domain == ipa3_get_wlan_smmu_domain()) { |
| 7064 | /* wlan is one time map */ |
| 7065 | } else if (domain == ipa3_get_uc_smmu_domain()) { |
| 7066 | if (iova >= uc_cb->va_start && iova < uc_cb->va_end) { |
| 7067 | IPAERR("iommu uC overlap addr 0x%lx\n", iova); |
| 7068 | ipa_assert(); |
| 7069 | return -EFAULT; |
| 7070 | } |
| 7071 | } else { |
| 7072 | IPAERR("Unexpected domain 0x%p\n", domain); |
| 7073 | ipa_assert(); |
| 7074 | return -EFAULT; |
| 7075 | } |
| 7076 | |
| 7077 | return iommu_map(domain, iova, paddr, size, prot); |
| 7078 | } |
| 7079 | |
Michael Adisumarta | d04e6d6 | 2017-11-09 17:46:35 -0800 | [diff] [blame] | 7080 | /** |
| 7081 | * ipa3_get_smmu_params()- Return the ipa3 smmu related params. |
| 7082 | */ |
| 7083 | int ipa3_get_smmu_params(struct ipa_smmu_in_params *in, |
| 7084 | struct ipa_smmu_out_params *out) |
| 7085 | { |
| 7086 | bool is_smmu_enable = 0; |
| 7087 | |
| 7088 | if (out == NULL || in == NULL) { |
| 7089 | IPAERR("bad parms for Client SMMU out params\n"); |
| 7090 | return -EINVAL; |
| 7091 | } |
| 7092 | |
| 7093 | if (!ipa3_ctx) { |
| 7094 | IPAERR("IPA not yet initialized\n"); |
| 7095 | return -EINVAL; |
| 7096 | } |
| 7097 | |
| 7098 | switch (in->smmu_client) { |
| 7099 | case IPA_SMMU_WLAN_CLIENT: |
| 7100 | is_smmu_enable = !(ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_UC] | |
| 7101 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_WLAN]); |
| 7102 | break; |
| 7103 | default: |
| 7104 | is_smmu_enable = 0; |
| 7105 | IPAERR("Trying to get illegal clients SMMU status"); |
| 7106 | return -EINVAL; |
| 7107 | } |
| 7108 | |
| 7109 | out->smmu_enable = is_smmu_enable; |
| 7110 | |
| 7111 | return 0; |
| 7112 | } |
| 7113 | |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 7114 | /************************************************************** |
| 7115 | * PCIe Version |
| 7116 | *************************************************************/ |
| 7117 | |
| 7118 | int ipa3_pci_drv_probe( |
| 7119 | struct pci_dev *pci_dev, |
| 7120 | struct ipa_api_controller *api_ctrl, |
| 7121 | const struct of_device_id *pdrv_match) |
| 7122 | { |
| 7123 | int result; |
| 7124 | struct ipa3_plat_drv_res *ipa_drv_res; |
| 7125 | u32 bar0_offset; |
| 7126 | u32 mem_start; |
| 7127 | u32 mem_end; |
| 7128 | uint32_t bits; |
| 7129 | uint32_t ipa_start, gsi_start, intctrl_start; |
| 7130 | struct device *dev; |
| 7131 | static struct platform_device platform_dev; |
| 7132 | |
| 7133 | if (!pci_dev || !api_ctrl || !pdrv_match) { |
| 7134 | IPAERR( |
| 7135 | "Bad arg: pci_dev (%pK) and/or api_ctrl (%pK) and/or pdrv_match (%pK)\n", |
| 7136 | pci_dev, api_ctrl, pdrv_match); |
| 7137 | return -EOPNOTSUPP; |
| 7138 | } |
| 7139 | |
| 7140 | dev = &(pci_dev->dev); |
| 7141 | |
| 7142 | IPADBG("IPA PCI driver probing started\n"); |
| 7143 | |
| 7144 | /* |
| 7145 | * Follow PCI driver flow here. |
| 7146 | * pci_enable_device: Enables device and assigns resources |
| 7147 | * pci_request_region: Makes BAR0 address region usable |
| 7148 | */ |
| 7149 | result = pci_enable_device(pci_dev); |
| 7150 | if (result < 0) { |
| 7151 | IPAERR("pci_enable_device() failed\n"); |
| 7152 | return -EOPNOTSUPP; |
| 7153 | } |
| 7154 | |
| 7155 | result = pci_request_region(pci_dev, 0, "IPA Memory"); |
| 7156 | if (result < 0) { |
| 7157 | IPAERR("pci_request_region() failed\n"); |
| 7158 | pci_disable_device(pci_dev); |
| 7159 | return -EOPNOTSUPP; |
| 7160 | } |
| 7161 | |
| 7162 | /* |
| 7163 | * When in the PCI/emulation environment, &platform_dev is |
| 7164 | * passed to get_ipa_dts_configuration(), but is unused, since |
| 7165 | * all usages of it in the function are replaced by CPP |
| 7166 | * relative to definitions in ipa_emulation_stubs.h. Passing |
| 7167 | * &platform_dev makes code validity tools happy. |
| 7168 | */ |
| 7169 | if (get_ipa_dts_configuration(&platform_dev, &ipa3_res) != 0) { |
| 7170 | IPAERR("get_ipa_dts_configuration() failed\n"); |
| 7171 | pci_release_region(pci_dev, 0); |
| 7172 | pci_disable_device(pci_dev); |
| 7173 | return -EOPNOTSUPP; |
| 7174 | } |
| 7175 | |
| 7176 | ipa_drv_res = &ipa3_res; |
| 7177 | |
| 7178 | result = |
| 7179 | of_property_read_u32(NULL, "emulator-bar0-offset", |
| 7180 | &bar0_offset); |
| 7181 | if (result) { |
| 7182 | IPAERR(":get resource failed for emulator-bar0-offset!\n"); |
| 7183 | pci_release_region(pci_dev, 0); |
| 7184 | pci_disable_device(pci_dev); |
| 7185 | return -ENODEV; |
| 7186 | } |
| 7187 | IPADBG(":using emulator-bar0-offset 0x%08X\n", bar0_offset); |
| 7188 | |
| 7189 | ipa_start = ipa_drv_res->ipa_mem_base; |
| 7190 | gsi_start = ipa_drv_res->transport_mem_base; |
| 7191 | intctrl_start = ipa_drv_res->emulator_intcntrlr_mem_base; |
| 7192 | |
| 7193 | /* |
| 7194 | * Where will we be inerrupted at? |
| 7195 | */ |
| 7196 | ipa_drv_res->emulator_irq = pci_dev->irq; |
| 7197 | IPADBG( |
| 7198 | "EMULATION PCI_INTERRUPT_PIN(%u)\n", |
| 7199 | ipa_drv_res->emulator_irq); |
| 7200 | |
| 7201 | /* |
| 7202 | * Set the ipa_mem_base to the PCI base address of BAR0 |
| 7203 | */ |
| 7204 | mem_start = pci_resource_start(pci_dev, 0); |
| 7205 | mem_end = pci_resource_end(pci_dev, 0); |
| 7206 | |
| 7207 | IPADBG("PCI START = 0x%x\n", mem_start); |
| 7208 | IPADBG("PCI END = 0x%x\n", mem_end); |
| 7209 | |
| 7210 | ipa_drv_res->ipa_mem_base = mem_start + bar0_offset; |
| 7211 | |
| 7212 | smmu_info.ipa_base = ipa_drv_res->ipa_mem_base; |
| 7213 | smmu_info.ipa_size = ipa_drv_res->ipa_mem_size; |
| 7214 | |
| 7215 | ipa_drv_res->transport_mem_base = |
| 7216 | ipa_drv_res->ipa_mem_base + (gsi_start - ipa_start); |
| 7217 | |
| 7218 | ipa_drv_res->emulator_intcntrlr_mem_base = |
| 7219 | ipa_drv_res->ipa_mem_base + (intctrl_start - ipa_start); |
| 7220 | |
| 7221 | IPADBG("ipa_mem_base = 0x%x\n", |
| 7222 | ipa_drv_res->ipa_mem_base); |
| 7223 | IPADBG("ipa_mem_size = 0x%x\n", |
| 7224 | ipa_drv_res->ipa_mem_size); |
| 7225 | |
| 7226 | IPADBG("transport_mem_base = 0x%x\n", |
| 7227 | ipa_drv_res->transport_mem_base); |
| 7228 | IPADBG("transport_mem_size = 0x%x\n", |
| 7229 | ipa_drv_res->transport_mem_size); |
| 7230 | |
| 7231 | IPADBG("emulator_intcntrlr_mem_base = 0x%x\n", |
| 7232 | ipa_drv_res->emulator_intcntrlr_mem_base); |
| 7233 | IPADBG("emulator_intcntrlr_mem_size = 0x%x\n", |
| 7234 | ipa_drv_res->emulator_intcntrlr_mem_size); |
| 7235 | |
| 7236 | result = ipa3_bind_api_controller(ipa_drv_res->ipa_hw_type, api_ctrl); |
| 7237 | if (result != 0) { |
| 7238 | IPAERR("ipa3_bind_api_controller() failed\n"); |
| 7239 | pci_release_region(pci_dev, 0); |
| 7240 | pci_disable_device(pci_dev); |
| 7241 | return result; |
| 7242 | } |
| 7243 | |
| 7244 | bits = (ipa_drv_res->use_64_bit_dma_mask) ? 64 : 32; |
| 7245 | |
| 7246 | if (dma_set_mask(dev, DMA_BIT_MASK(bits)) != 0) { |
| 7247 | IPAERR("dma_set_mask(%pK, %u) failed\n", dev, bits); |
| 7248 | pci_release_region(pci_dev, 0); |
| 7249 | pci_disable_device(pci_dev); |
| 7250 | return -EOPNOTSUPP; |
| 7251 | } |
| 7252 | |
| 7253 | if (dma_set_coherent_mask(dev, DMA_BIT_MASK(bits)) != 0) { |
| 7254 | IPAERR("dma_set_coherent_mask(%pK, %u) failed\n", dev, bits); |
| 7255 | pci_release_region(pci_dev, 0); |
| 7256 | pci_disable_device(pci_dev); |
| 7257 | return -EOPNOTSUPP; |
| 7258 | } |
| 7259 | |
| 7260 | pci_set_master(pci_dev); |
| 7261 | |
| 7262 | memset(&platform_dev, 0, sizeof(platform_dev)); |
| 7263 | platform_dev.dev = *dev; |
| 7264 | |
| 7265 | /* Proceed to real initialization */ |
| 7266 | result = ipa3_pre_init(&ipa3_res, &platform_dev); |
| 7267 | if (result) { |
| 7268 | IPAERR("ipa3_init failed\n"); |
| 7269 | pci_clear_master(pci_dev); |
| 7270 | pci_release_region(pci_dev, 0); |
| 7271 | pci_disable_device(pci_dev); |
| 7272 | return result; |
| 7273 | } |
| 7274 | |
| 7275 | return result; |
| 7276 | } |
| 7277 | |
| 7278 | /* |
| 7279 | * The following returns transport register memory location and |
| 7280 | * size... |
| 7281 | */ |
| 7282 | int ipa3_get_transport_info( |
| 7283 | phys_addr_t *phys_addr_ptr, |
| 7284 | unsigned long *size_ptr) |
| 7285 | { |
| 7286 | if (!phys_addr_ptr || !size_ptr) { |
| 7287 | IPAERR("Bad arg: phys_addr_ptr(%pK) and/or size_ptr(%pK)\n", |
| 7288 | phys_addr_ptr, size_ptr); |
| 7289 | return -EINVAL; |
| 7290 | } |
| 7291 | |
| 7292 | *phys_addr_ptr = ipa3_res.transport_mem_base; |
| 7293 | *size_ptr = ipa3_res.transport_mem_size; |
| 7294 | |
| 7295 | return 0; |
| 7296 | } |
| 7297 | EXPORT_SYMBOL(ipa3_get_transport_info); |
| 7298 | |
| 7299 | static uint emulation_type = IPA_HW_v4_0; |
| 7300 | |
| 7301 | /* |
| 7302 | * The following returns emulation type... |
| 7303 | */ |
| 7304 | uint ipa3_get_emulation_type(void) |
| 7305 | { |
| 7306 | return emulation_type; |
| 7307 | } |
| 7308 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 7309 | MODULE_LICENSE("GPL v2"); |
| 7310 | MODULE_DESCRIPTION("IPA HW device driver"); |
Jennifer L. Zenner | df159af | 2018-04-25 16:44:38 -0400 | [diff] [blame] | 7311 | |
| 7312 | /* |
| 7313 | * Module parameter. Invoke as follows: |
| 7314 | * insmod ipat.ko emulation_type=[13|14|...|N] |
| 7315 | * Examples: |
| 7316 | * insmod ipat.ko emulation_type=13 # for IPA 3.5.1 |
| 7317 | * insmod ipat.ko emulation_type=14 # for IPA 4.0 |
| 7318 | * |
| 7319 | * NOTE: The emulation_type values need to come from: enum ipa_hw_type |
| 7320 | * |
| 7321 | */ |
| 7322 | |
| 7323 | module_param(emulation_type, uint, 0000); |
| 7324 | MODULE_PARM_DESC( |
| 7325 | emulation_type, |
| 7326 | "IPA emulation type (Use 13 for IPA 3.5.1, 14 for IPA 4.0)"); |