Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 1 | /* Copyright (c) 2012-2017, 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> |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 38 | #include <soc/qcom/subsystem_restart.h> |
| 39 | #include <soc/qcom/smem.h> |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 40 | #include <soc/qcom/scm.h> |
Amir Levy | 635bced | 2016-12-19 09:20:42 +0200 | [diff] [blame] | 41 | #include <asm/cacheflush.h> |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 42 | |
| 43 | #ifdef CONFIG_ARM64 |
| 44 | |
| 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 | |
| 60 | #define IPA_GPIO_IN_QUERY_CLK_IDX 0 |
| 61 | #define IPA_GPIO_OUT_CLK_RSP_CMPLT_IDX 0 |
| 62 | #define IPA_GPIO_OUT_CLK_VOTE_IDX 1 |
| 63 | |
| 64 | #define IPA_SUMMING_THRESHOLD (0x10) |
| 65 | #define IPA_PIPE_MEM_START_OFST (0x0) |
| 66 | #define IPA_PIPE_MEM_SIZE (0x0) |
| 67 | #define IPA_MOBILE_AP_MODE(x) (x == IPA_MODE_MOBILE_AP_ETH || \ |
| 68 | x == IPA_MODE_MOBILE_AP_WAN || \ |
| 69 | x == IPA_MODE_MOBILE_AP_WLAN) |
| 70 | #define IPA_CNOC_CLK_RATE (75 * 1000 * 1000UL) |
| 71 | #define IPA_A5_MUX_HEADER_LENGTH (8) |
| 72 | |
| 73 | #define IPA_AGGR_MAX_STR_LENGTH (10) |
| 74 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 75 | #define CLEANUP_TAG_PROCESS_TIMEOUT 500 |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 76 | |
| 77 | #define IPA_AGGR_STR_IN_BYTES(str) \ |
| 78 | (strnlen((str), IPA_AGGR_MAX_STR_LENGTH - 1) + 1) |
| 79 | |
| 80 | #define IPA_TRANSPORT_PROD_TIMEOUT_MSEC 100 |
| 81 | |
| 82 | #define IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE 2048 |
| 83 | |
| 84 | #define IPA3_ACTIVE_CLIENT_LOG_TYPE_EP 0 |
| 85 | #define IPA3_ACTIVE_CLIENT_LOG_TYPE_SIMPLE 1 |
| 86 | #define IPA3_ACTIVE_CLIENT_LOG_TYPE_RESOURCE 2 |
| 87 | #define IPA3_ACTIVE_CLIENT_LOG_TYPE_SPECIAL 3 |
| 88 | |
| 89 | #define IPA_SMEM_SIZE (8 * 1024) |
| 90 | |
| 91 | /* round addresses for closes page per SMMU requirements */ |
| 92 | #define IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, iova_p, pa_p, size_p) \ |
| 93 | do { \ |
| 94 | (iova_p) = rounddown((iova), PAGE_SIZE); \ |
| 95 | (pa_p) = rounddown((pa), PAGE_SIZE); \ |
| 96 | (size_p) = roundup((size) + (pa) - (pa_p), PAGE_SIZE); \ |
| 97 | } while (0) |
| 98 | |
| 99 | |
| 100 | /* The relative location in /lib/firmware where the FWs will reside */ |
| 101 | #define IPA_FWS_PATH "ipa/ipa_fws.elf" |
| 102 | |
| 103 | #ifdef CONFIG_COMPAT |
| 104 | #define IPA_IOC_ADD_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 105 | IPA_IOCTL_ADD_HDR, \ |
| 106 | compat_uptr_t) |
| 107 | #define IPA_IOC_DEL_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 108 | IPA_IOCTL_DEL_HDR, \ |
| 109 | compat_uptr_t) |
| 110 | #define IPA_IOC_ADD_RT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 111 | IPA_IOCTL_ADD_RT_RULE, \ |
| 112 | compat_uptr_t) |
| 113 | #define IPA_IOC_DEL_RT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 114 | IPA_IOCTL_DEL_RT_RULE, \ |
| 115 | compat_uptr_t) |
| 116 | #define IPA_IOC_ADD_FLT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 117 | IPA_IOCTL_ADD_FLT_RULE, \ |
| 118 | compat_uptr_t) |
| 119 | #define IPA_IOC_DEL_FLT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 120 | IPA_IOCTL_DEL_FLT_RULE, \ |
| 121 | compat_uptr_t) |
| 122 | #define IPA_IOC_GET_RT_TBL32 _IOWR(IPA_IOC_MAGIC, \ |
| 123 | IPA_IOCTL_GET_RT_TBL, \ |
| 124 | compat_uptr_t) |
| 125 | #define IPA_IOC_COPY_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 126 | IPA_IOCTL_COPY_HDR, \ |
| 127 | compat_uptr_t) |
| 128 | #define IPA_IOC_QUERY_INTF32 _IOWR(IPA_IOC_MAGIC, \ |
| 129 | IPA_IOCTL_QUERY_INTF, \ |
| 130 | compat_uptr_t) |
| 131 | #define IPA_IOC_QUERY_INTF_TX_PROPS32 _IOWR(IPA_IOC_MAGIC, \ |
| 132 | IPA_IOCTL_QUERY_INTF_TX_PROPS, \ |
| 133 | compat_uptr_t) |
| 134 | #define IPA_IOC_QUERY_INTF_RX_PROPS32 _IOWR(IPA_IOC_MAGIC, \ |
| 135 | IPA_IOCTL_QUERY_INTF_RX_PROPS, \ |
| 136 | compat_uptr_t) |
| 137 | #define IPA_IOC_QUERY_INTF_EXT_PROPS32 _IOWR(IPA_IOC_MAGIC, \ |
| 138 | IPA_IOCTL_QUERY_INTF_EXT_PROPS, \ |
| 139 | compat_uptr_t) |
| 140 | #define IPA_IOC_GET_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 141 | IPA_IOCTL_GET_HDR, \ |
| 142 | compat_uptr_t) |
| 143 | #define IPA_IOC_ALLOC_NAT_MEM32 _IOWR(IPA_IOC_MAGIC, \ |
| 144 | IPA_IOCTL_ALLOC_NAT_MEM, \ |
| 145 | compat_uptr_t) |
| 146 | #define IPA_IOC_V4_INIT_NAT32 _IOWR(IPA_IOC_MAGIC, \ |
| 147 | IPA_IOCTL_V4_INIT_NAT, \ |
| 148 | compat_uptr_t) |
| 149 | #define IPA_IOC_NAT_DMA32 _IOWR(IPA_IOC_MAGIC, \ |
| 150 | IPA_IOCTL_NAT_DMA, \ |
| 151 | compat_uptr_t) |
| 152 | #define IPA_IOC_V4_DEL_NAT32 _IOWR(IPA_IOC_MAGIC, \ |
| 153 | IPA_IOCTL_V4_DEL_NAT, \ |
| 154 | compat_uptr_t) |
| 155 | #define IPA_IOC_GET_NAT_OFFSET32 _IOWR(IPA_IOC_MAGIC, \ |
| 156 | IPA_IOCTL_GET_NAT_OFFSET, \ |
| 157 | compat_uptr_t) |
| 158 | #define IPA_IOC_PULL_MSG32 _IOWR(IPA_IOC_MAGIC, \ |
| 159 | IPA_IOCTL_PULL_MSG, \ |
| 160 | compat_uptr_t) |
| 161 | #define IPA_IOC_RM_ADD_DEPENDENCY32 _IOWR(IPA_IOC_MAGIC, \ |
| 162 | IPA_IOCTL_RM_ADD_DEPENDENCY, \ |
| 163 | compat_uptr_t) |
| 164 | #define IPA_IOC_RM_DEL_DEPENDENCY32 _IOWR(IPA_IOC_MAGIC, \ |
| 165 | IPA_IOCTL_RM_DEL_DEPENDENCY, \ |
| 166 | compat_uptr_t) |
| 167 | #define IPA_IOC_GENERATE_FLT_EQ32 _IOWR(IPA_IOC_MAGIC, \ |
| 168 | IPA_IOCTL_GENERATE_FLT_EQ, \ |
| 169 | compat_uptr_t) |
| 170 | #define IPA_IOC_QUERY_RT_TBL_INDEX32 _IOWR(IPA_IOC_MAGIC, \ |
| 171 | IPA_IOCTL_QUERY_RT_TBL_INDEX, \ |
| 172 | compat_uptr_t) |
| 173 | #define IPA_IOC_WRITE_QMAPID32 _IOWR(IPA_IOC_MAGIC, \ |
| 174 | IPA_IOCTL_WRITE_QMAPID, \ |
| 175 | compat_uptr_t) |
| 176 | #define IPA_IOC_MDFY_FLT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 177 | IPA_IOCTL_MDFY_FLT_RULE, \ |
| 178 | compat_uptr_t) |
| 179 | #define IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD32 _IOWR(IPA_IOC_MAGIC, \ |
| 180 | IPA_IOCTL_NOTIFY_WAN_UPSTREAM_ROUTE_ADD, \ |
| 181 | compat_uptr_t) |
| 182 | #define IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL32 _IOWR(IPA_IOC_MAGIC, \ |
| 183 | IPA_IOCTL_NOTIFY_WAN_UPSTREAM_ROUTE_DEL, \ |
| 184 | compat_uptr_t) |
| 185 | #define IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED32 _IOWR(IPA_IOC_MAGIC, \ |
| 186 | IPA_IOCTL_NOTIFY_WAN_EMBMS_CONNECTED, \ |
| 187 | compat_uptr_t) |
| 188 | #define IPA_IOC_ADD_HDR_PROC_CTX32 _IOWR(IPA_IOC_MAGIC, \ |
| 189 | IPA_IOCTL_ADD_HDR_PROC_CTX, \ |
| 190 | compat_uptr_t) |
| 191 | #define IPA_IOC_DEL_HDR_PROC_CTX32 _IOWR(IPA_IOC_MAGIC, \ |
| 192 | IPA_IOCTL_DEL_HDR_PROC_CTX, \ |
| 193 | compat_uptr_t) |
| 194 | #define IPA_IOC_MDFY_RT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 195 | IPA_IOCTL_MDFY_RT_RULE, \ |
| 196 | compat_uptr_t) |
| 197 | |
| 198 | /** |
| 199 | * struct ipa3_ioc_nat_alloc_mem32 - nat table memory allocation |
| 200 | * properties |
| 201 | * @dev_name: input parameter, the name of table |
| 202 | * @size: input parameter, size of table in bytes |
| 203 | * @offset: output parameter, offset into page in case of system memory |
| 204 | */ |
| 205 | struct ipa3_ioc_nat_alloc_mem32 { |
| 206 | char dev_name[IPA_RESOURCE_NAME_MAX]; |
| 207 | compat_size_t size; |
| 208 | compat_off_t offset; |
| 209 | }; |
| 210 | #endif |
| 211 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 212 | #define IPA_TZ_UNLOCK_ATTRIBUTE 0x0C0311 |
| 213 | #define TZ_MEM_PROTECT_REGION_ID 0x10 |
| 214 | |
| 215 | struct tz_smmu_ipa_protect_region_iovec_s { |
| 216 | u64 input_addr; |
| 217 | u64 output_addr; |
| 218 | u64 size; |
| 219 | u32 attr; |
| 220 | } __packed; |
| 221 | |
| 222 | struct tz_smmu_ipa_protect_region_s { |
| 223 | phys_addr_t iovec_buf; |
| 224 | u32 size_bytes; |
| 225 | } __packed; |
| 226 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 227 | static void ipa3_start_tag_process(struct work_struct *work); |
| 228 | static DECLARE_WORK(ipa3_tag_work, ipa3_start_tag_process); |
| 229 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 230 | static void ipa3_transport_release_resource(struct work_struct *work); |
| 231 | static DECLARE_DELAYED_WORK(ipa3_transport_release_resource_work, |
| 232 | ipa3_transport_release_resource); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 233 | static void ipa_gsi_notify_cb(struct gsi_per_notify *notify); |
| 234 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 235 | static void ipa3_post_init_wq(struct work_struct *work); |
| 236 | static DECLARE_WORK(ipa3_post_init_work, ipa3_post_init_wq); |
| 237 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 238 | static void ipa_dec_clients_disable_clks_on_wq(struct work_struct *work); |
| 239 | static DECLARE_WORK(ipa_dec_clients_disable_clks_on_wq_work, |
| 240 | ipa_dec_clients_disable_clks_on_wq); |
| 241 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 242 | static struct ipa3_plat_drv_res ipa3_res = {0, }; |
| 243 | struct msm_bus_scale_pdata *ipa3_bus_scale_table; |
| 244 | |
| 245 | static struct clk *ipa3_clk; |
| 246 | |
| 247 | struct ipa3_context *ipa3_ctx; |
| 248 | static struct device *master_dev; |
| 249 | struct platform_device *ipa3_pdev; |
| 250 | static struct { |
| 251 | bool present; |
| 252 | bool arm_smmu; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 253 | bool fast_map; |
| 254 | bool s1_bypass; |
| 255 | bool use_64_bit_dma_mask; |
| 256 | u32 ipa_base; |
| 257 | u32 ipa_size; |
| 258 | } smmu_info; |
| 259 | |
| 260 | static char *active_clients_table_buf; |
| 261 | |
| 262 | int ipa3_active_clients_log_print_buffer(char *buf, int size) |
| 263 | { |
| 264 | int i; |
| 265 | int nbytes; |
| 266 | int cnt = 0; |
| 267 | int start_idx; |
| 268 | int end_idx; |
| 269 | |
| 270 | start_idx = (ipa3_ctx->ipa3_active_clients_logging.log_tail + 1) % |
| 271 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 272 | end_idx = ipa3_ctx->ipa3_active_clients_logging.log_head; |
| 273 | for (i = start_idx; i != end_idx; |
| 274 | i = (i + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES) { |
| 275 | nbytes = scnprintf(buf + cnt, size - cnt, "%s\n", |
| 276 | ipa3_ctx->ipa3_active_clients_logging |
| 277 | .log_buffer[i]); |
| 278 | cnt += nbytes; |
| 279 | } |
| 280 | |
| 281 | return cnt; |
| 282 | } |
| 283 | |
| 284 | int ipa3_active_clients_log_print_table(char *buf, int size) |
| 285 | { |
| 286 | int i; |
| 287 | struct ipa3_active_client_htable_entry *iterator; |
| 288 | int cnt = 0; |
| 289 | |
| 290 | cnt = scnprintf(buf, size, "\n---- Active Clients Table ----\n"); |
| 291 | hash_for_each(ipa3_ctx->ipa3_active_clients_logging.htable, i, |
| 292 | iterator, list) { |
| 293 | switch (iterator->type) { |
| 294 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_EP: |
| 295 | cnt += scnprintf(buf + cnt, size - cnt, |
| 296 | "%-40s %-3d ENDPOINT\n", |
| 297 | iterator->id_string, iterator->count); |
| 298 | break; |
| 299 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_SIMPLE: |
| 300 | cnt += scnprintf(buf + cnt, size - cnt, |
| 301 | "%-40s %-3d SIMPLE\n", |
| 302 | iterator->id_string, iterator->count); |
| 303 | break; |
| 304 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_RESOURCE: |
| 305 | cnt += scnprintf(buf + cnt, size - cnt, |
| 306 | "%-40s %-3d RESOURCE\n", |
| 307 | iterator->id_string, iterator->count); |
| 308 | break; |
| 309 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_SPECIAL: |
| 310 | cnt += scnprintf(buf + cnt, size - cnt, |
| 311 | "%-40s %-3d SPECIAL\n", |
| 312 | iterator->id_string, iterator->count); |
| 313 | break; |
| 314 | default: |
| 315 | IPAERR("Trying to print illegal active_clients type"); |
| 316 | break; |
| 317 | } |
| 318 | } |
| 319 | cnt += scnprintf(buf + cnt, size - cnt, |
| 320 | "\nTotal active clients count: %d\n", |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 321 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 322 | |
| 323 | return cnt; |
| 324 | } |
| 325 | |
| 326 | static int ipa3_active_clients_panic_notifier(struct notifier_block *this, |
| 327 | unsigned long event, void *ptr) |
| 328 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 329 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 330 | ipa3_active_clients_log_print_table(active_clients_table_buf, |
| 331 | IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE); |
| 332 | IPAERR("%s", active_clients_table_buf); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 333 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 334 | |
| 335 | return NOTIFY_DONE; |
| 336 | } |
| 337 | |
| 338 | static struct notifier_block ipa3_active_clients_panic_blk = { |
| 339 | .notifier_call = ipa3_active_clients_panic_notifier, |
| 340 | }; |
| 341 | |
| 342 | static int ipa3_active_clients_log_insert(const char *string) |
| 343 | { |
| 344 | int head; |
| 345 | int tail; |
| 346 | |
| 347 | if (!ipa3_ctx->ipa3_active_clients_logging.log_rdy) |
| 348 | return -EPERM; |
| 349 | |
| 350 | head = ipa3_ctx->ipa3_active_clients_logging.log_head; |
| 351 | tail = ipa3_ctx->ipa3_active_clients_logging.log_tail; |
| 352 | |
| 353 | memset(ipa3_ctx->ipa3_active_clients_logging.log_buffer[head], '_', |
| 354 | IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN); |
| 355 | strlcpy(ipa3_ctx->ipa3_active_clients_logging.log_buffer[head], string, |
| 356 | (size_t)IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN); |
| 357 | head = (head + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 358 | if (tail == head) |
| 359 | tail = (tail + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 360 | |
| 361 | ipa3_ctx->ipa3_active_clients_logging.log_tail = tail; |
| 362 | ipa3_ctx->ipa3_active_clients_logging.log_head = head; |
| 363 | |
| 364 | return 0; |
| 365 | } |
| 366 | |
| 367 | static int ipa3_active_clients_log_init(void) |
| 368 | { |
| 369 | int i; |
| 370 | |
| 371 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[0] = kzalloc( |
| 372 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES * |
| 373 | sizeof(char[IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN]), |
| 374 | GFP_KERNEL); |
| 375 | active_clients_table_buf = kzalloc(sizeof( |
| 376 | char[IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE]), GFP_KERNEL); |
| 377 | if (ipa3_ctx->ipa3_active_clients_logging.log_buffer == NULL) { |
| 378 | pr_err("Active Clients Logging memory allocation failed"); |
| 379 | goto bail; |
| 380 | } |
| 381 | for (i = 0; i < IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; i++) { |
| 382 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[i] = |
| 383 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[0] + |
| 384 | (IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN * i); |
| 385 | } |
| 386 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 387 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 388 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
| 389 | hash_init(ipa3_ctx->ipa3_active_clients_logging.htable); |
| 390 | atomic_notifier_chain_register(&panic_notifier_list, |
| 391 | &ipa3_active_clients_panic_blk); |
| 392 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = 1; |
| 393 | |
| 394 | return 0; |
| 395 | |
| 396 | bail: |
| 397 | return -ENOMEM; |
| 398 | } |
| 399 | |
| 400 | void ipa3_active_clients_log_clear(void) |
| 401 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 402 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 403 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 404 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 405 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 406 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 407 | } |
| 408 | |
| 409 | static void ipa3_active_clients_log_destroy(void) |
| 410 | { |
| 411 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = 0; |
| 412 | kfree(ipa3_ctx->ipa3_active_clients_logging.log_buffer[0]); |
| 413 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 414 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 415 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
| 416 | } |
| 417 | |
| 418 | enum ipa_smmu_cb_type { |
| 419 | IPA_SMMU_CB_AP, |
| 420 | IPA_SMMU_CB_WLAN, |
| 421 | IPA_SMMU_CB_UC, |
| 422 | IPA_SMMU_CB_MAX |
| 423 | |
| 424 | }; |
| 425 | |
| 426 | static struct ipa_smmu_cb_ctx smmu_cb[IPA_SMMU_CB_MAX]; |
| 427 | |
| 428 | struct iommu_domain *ipa3_get_smmu_domain(void) |
| 429 | { |
| 430 | if (smmu_cb[IPA_SMMU_CB_AP].valid) |
| 431 | return smmu_cb[IPA_SMMU_CB_AP].mapping->domain; |
| 432 | |
| 433 | IPAERR("CB not valid\n"); |
| 434 | |
| 435 | return NULL; |
| 436 | } |
| 437 | |
| 438 | struct iommu_domain *ipa3_get_uc_smmu_domain(void) |
| 439 | { |
| 440 | if (smmu_cb[IPA_SMMU_CB_UC].valid) |
| 441 | return smmu_cb[IPA_SMMU_CB_UC].mapping->domain; |
| 442 | |
| 443 | IPAERR("CB not valid\n"); |
| 444 | |
| 445 | return NULL; |
| 446 | } |
| 447 | |
| 448 | struct iommu_domain *ipa3_get_wlan_smmu_domain(void) |
| 449 | { |
| 450 | if (smmu_cb[IPA_SMMU_CB_WLAN].valid) |
| 451 | return smmu_cb[IPA_SMMU_CB_WLAN].iommu; |
| 452 | |
| 453 | IPAERR("CB not valid\n"); |
| 454 | |
| 455 | return NULL; |
| 456 | } |
| 457 | |
| 458 | |
| 459 | struct device *ipa3_get_dma_dev(void) |
| 460 | { |
| 461 | return ipa3_ctx->pdev; |
| 462 | } |
| 463 | |
| 464 | /** |
| 465 | * ipa3_get_smmu_ctx()- Return the wlan smmu context |
| 466 | * |
| 467 | * Return value: pointer to smmu context address |
| 468 | */ |
| 469 | struct ipa_smmu_cb_ctx *ipa3_get_smmu_ctx(void) |
| 470 | { |
| 471 | return &smmu_cb[IPA_SMMU_CB_AP]; |
| 472 | } |
| 473 | |
| 474 | /** |
| 475 | * ipa3_get_wlan_smmu_ctx()- Return the wlan smmu context |
| 476 | * |
| 477 | * Return value: pointer to smmu context address |
| 478 | */ |
| 479 | struct ipa_smmu_cb_ctx *ipa3_get_wlan_smmu_ctx(void) |
| 480 | { |
| 481 | return &smmu_cb[IPA_SMMU_CB_WLAN]; |
| 482 | } |
| 483 | |
| 484 | /** |
| 485 | * ipa3_get_uc_smmu_ctx()- Return the uc smmu context |
| 486 | * |
| 487 | * Return value: pointer to smmu context address |
| 488 | */ |
| 489 | struct ipa_smmu_cb_ctx *ipa3_get_uc_smmu_ctx(void) |
| 490 | { |
| 491 | return &smmu_cb[IPA_SMMU_CB_UC]; |
| 492 | } |
| 493 | |
| 494 | static int ipa3_open(struct inode *inode, struct file *filp) |
| 495 | { |
| 496 | struct ipa3_context *ctx = NULL; |
| 497 | |
| 498 | IPADBG_LOW("ENTER\n"); |
| 499 | ctx = container_of(inode->i_cdev, struct ipa3_context, cdev); |
| 500 | filp->private_data = ctx; |
| 501 | |
| 502 | return 0; |
| 503 | } |
| 504 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 505 | static void ipa3_wan_msg_free_cb(void *buff, u32 len, u32 type) |
| 506 | { |
| 507 | if (!buff) { |
| 508 | IPAERR("Null buffer\n"); |
| 509 | return; |
| 510 | } |
| 511 | |
| 512 | if (type != WAN_UPSTREAM_ROUTE_ADD && |
| 513 | type != WAN_UPSTREAM_ROUTE_DEL && |
| 514 | type != WAN_EMBMS_CONNECT) { |
| 515 | IPAERR("Wrong type given. buff %p type %d\n", buff, type); |
| 516 | return; |
| 517 | } |
| 518 | |
| 519 | kfree(buff); |
| 520 | } |
| 521 | |
| 522 | static int ipa3_send_wan_msg(unsigned long usr_param, uint8_t msg_type) |
| 523 | { |
| 524 | int retval; |
| 525 | struct ipa_wan_msg *wan_msg; |
| 526 | struct ipa_msg_meta msg_meta; |
| 527 | |
| 528 | wan_msg = kzalloc(sizeof(struct ipa_wan_msg), GFP_KERNEL); |
| 529 | if (!wan_msg) { |
| 530 | IPAERR("no memory\n"); |
| 531 | return -ENOMEM; |
| 532 | } |
| 533 | |
| 534 | if (copy_from_user((u8 *)wan_msg, (u8 *)usr_param, |
| 535 | sizeof(struct ipa_wan_msg))) { |
| 536 | kfree(wan_msg); |
| 537 | return -EFAULT; |
| 538 | } |
| 539 | |
| 540 | memset(&msg_meta, 0, sizeof(struct ipa_msg_meta)); |
| 541 | msg_meta.msg_type = msg_type; |
| 542 | msg_meta.msg_len = sizeof(struct ipa_wan_msg); |
| 543 | retval = ipa3_send_msg(&msg_meta, wan_msg, ipa3_wan_msg_free_cb); |
| 544 | if (retval) { |
| 545 | IPAERR("ipa3_send_msg failed: %d\n", retval); |
| 546 | kfree(wan_msg); |
| 547 | return retval; |
| 548 | } |
| 549 | |
| 550 | return 0; |
| 551 | } |
| 552 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 553 | static void ipa3_vlan_l2tp_msg_free_cb(void *buff, u32 len, u32 type) |
| 554 | { |
| 555 | if (!buff) { |
| 556 | IPAERR("Null buffer\n"); |
| 557 | return; |
| 558 | } |
| 559 | |
| 560 | if (type != ADD_VLAN_IFACE && |
| 561 | type != DEL_VLAN_IFACE && |
| 562 | type != ADD_L2TP_VLAN_MAPPING && |
| 563 | type != DEL_L2TP_VLAN_MAPPING) { |
| 564 | IPAERR("Wrong type given. buff %pK type %d\n", buff, type); |
| 565 | return; |
| 566 | } |
| 567 | |
| 568 | kfree(buff); |
| 569 | } |
| 570 | |
| 571 | static int ipa3_send_vlan_l2tp_msg(unsigned long usr_param, uint8_t msg_type) |
| 572 | { |
| 573 | int retval; |
| 574 | struct ipa_ioc_vlan_iface_info *vlan_info; |
| 575 | struct ipa_ioc_l2tp_vlan_mapping_info *mapping_info; |
| 576 | struct ipa_msg_meta msg_meta; |
| 577 | |
| 578 | if (msg_type == ADD_VLAN_IFACE || |
| 579 | msg_type == DEL_VLAN_IFACE) { |
| 580 | vlan_info = kzalloc(sizeof(struct ipa_ioc_vlan_iface_info), |
| 581 | GFP_KERNEL); |
| 582 | if (!vlan_info) { |
| 583 | IPAERR("no memory\n"); |
| 584 | return -ENOMEM; |
| 585 | } |
| 586 | |
| 587 | if (copy_from_user((u8 *)vlan_info, (void __user *)usr_param, |
| 588 | sizeof(struct ipa_ioc_vlan_iface_info))) { |
| 589 | kfree(vlan_info); |
| 590 | return -EFAULT; |
| 591 | } |
| 592 | |
| 593 | memset(&msg_meta, 0, sizeof(msg_meta)); |
| 594 | msg_meta.msg_type = msg_type; |
| 595 | msg_meta.msg_len = sizeof(struct ipa_ioc_vlan_iface_info); |
| 596 | retval = ipa3_send_msg(&msg_meta, vlan_info, |
| 597 | ipa3_vlan_l2tp_msg_free_cb); |
| 598 | if (retval) { |
| 599 | IPAERR("ipa3_send_msg failed: %d\n", retval); |
| 600 | kfree(vlan_info); |
| 601 | return retval; |
| 602 | } |
| 603 | } else if (msg_type == ADD_L2TP_VLAN_MAPPING || |
| 604 | msg_type == DEL_L2TP_VLAN_MAPPING) { |
| 605 | mapping_info = kzalloc(sizeof(struct |
| 606 | ipa_ioc_l2tp_vlan_mapping_info), GFP_KERNEL); |
| 607 | if (!mapping_info) { |
| 608 | IPAERR("no memory\n"); |
| 609 | return -ENOMEM; |
| 610 | } |
| 611 | |
| 612 | if (copy_from_user((u8 *)mapping_info, |
| 613 | (void __user *)usr_param, |
| 614 | sizeof(struct ipa_ioc_l2tp_vlan_mapping_info))) { |
| 615 | kfree(mapping_info); |
| 616 | return -EFAULT; |
| 617 | } |
| 618 | |
| 619 | memset(&msg_meta, 0, sizeof(msg_meta)); |
| 620 | msg_meta.msg_type = msg_type; |
| 621 | msg_meta.msg_len = sizeof(struct |
| 622 | ipa_ioc_l2tp_vlan_mapping_info); |
| 623 | retval = ipa3_send_msg(&msg_meta, mapping_info, |
| 624 | ipa3_vlan_l2tp_msg_free_cb); |
| 625 | if (retval) { |
| 626 | IPAERR("ipa3_send_msg failed: %d\n", retval); |
| 627 | kfree(mapping_info); |
| 628 | return retval; |
| 629 | } |
| 630 | } else { |
| 631 | IPAERR("Unexpected event\n"); |
| 632 | return -EFAULT; |
| 633 | } |
| 634 | |
| 635 | return 0; |
| 636 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 637 | |
| 638 | static long ipa3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) |
| 639 | { |
| 640 | int retval = 0; |
| 641 | u32 pyld_sz; |
| 642 | u8 header[128] = { 0 }; |
| 643 | u8 *param = NULL; |
| 644 | struct ipa_ioc_nat_alloc_mem nat_mem; |
| 645 | struct ipa_ioc_v4_nat_init nat_init; |
| 646 | struct ipa_ioc_v4_nat_del nat_del; |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 647 | struct ipa_ioc_nat_pdn_entry mdfy_pdn; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 648 | struct ipa_ioc_rm_dependency rm_depend; |
| 649 | size_t sz; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 650 | int pre_entry; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 651 | |
| 652 | IPADBG("cmd=%x nr=%d\n", cmd, _IOC_NR(cmd)); |
| 653 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 654 | if (_IOC_TYPE(cmd) != IPA_IOC_MAGIC) |
| 655 | return -ENOTTY; |
| 656 | if (_IOC_NR(cmd) >= IPA_IOCTL_MAX) |
| 657 | return -ENOTTY; |
| 658 | |
Amir Levy | 0553262 | 2016-11-28 12:12:01 +0200 | [diff] [blame] | 659 | if (!ipa3_is_ready()) { |
| 660 | IPAERR("IPA not ready, waiting for init completion\n"); |
| 661 | wait_for_completion(&ipa3_ctx->init_completion_obj); |
| 662 | } |
| 663 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 664 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 665 | |
| 666 | switch (cmd) { |
| 667 | case IPA_IOC_ALLOC_NAT_MEM: |
| 668 | if (copy_from_user((u8 *)&nat_mem, (u8 *)arg, |
| 669 | sizeof(struct ipa_ioc_nat_alloc_mem))) { |
| 670 | retval = -EFAULT; |
| 671 | break; |
| 672 | } |
| 673 | /* null terminate the string */ |
| 674 | nat_mem.dev_name[IPA_RESOURCE_NAME_MAX - 1] = '\0'; |
| 675 | |
| 676 | if (ipa3_allocate_nat_device(&nat_mem)) { |
| 677 | retval = -EFAULT; |
| 678 | break; |
| 679 | } |
| 680 | if (copy_to_user((u8 *)arg, (u8 *)&nat_mem, |
| 681 | sizeof(struct ipa_ioc_nat_alloc_mem))) { |
| 682 | retval = -EFAULT; |
| 683 | break; |
| 684 | } |
| 685 | break; |
| 686 | case IPA_IOC_V4_INIT_NAT: |
| 687 | if (copy_from_user((u8 *)&nat_init, (u8 *)arg, |
| 688 | sizeof(struct ipa_ioc_v4_nat_init))) { |
| 689 | retval = -EFAULT; |
| 690 | break; |
| 691 | } |
| 692 | if (ipa3_nat_init_cmd(&nat_init)) { |
| 693 | retval = -EFAULT; |
| 694 | break; |
| 695 | } |
| 696 | break; |
| 697 | |
| 698 | case IPA_IOC_NAT_DMA: |
| 699 | if (copy_from_user(header, (u8 *)arg, |
| 700 | sizeof(struct ipa_ioc_nat_dma_cmd))) { |
| 701 | retval = -EFAULT; |
| 702 | break; |
| 703 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 704 | pre_entry = |
| 705 | ((struct ipa_ioc_nat_dma_cmd *)header)->entries; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 706 | pyld_sz = |
| 707 | sizeof(struct ipa_ioc_nat_dma_cmd) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 708 | pre_entry * sizeof(struct ipa_ioc_nat_dma_one); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 709 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 710 | if (!param) { |
| 711 | retval = -ENOMEM; |
| 712 | break; |
| 713 | } |
| 714 | |
| 715 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 716 | retval = -EFAULT; |
| 717 | break; |
| 718 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 719 | /* add check in case user-space module compromised */ |
| 720 | if (unlikely(((struct ipa_ioc_nat_dma_cmd *)param)->entries |
| 721 | != pre_entry)) { |
| 722 | IPAERR("current %d pre %d\n", |
| 723 | ((struct ipa_ioc_nat_dma_cmd *)param)->entries, |
| 724 | pre_entry); |
| 725 | retval = -EFAULT; |
| 726 | break; |
| 727 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 728 | if (ipa3_nat_dma_cmd((struct ipa_ioc_nat_dma_cmd *)param)) { |
| 729 | retval = -EFAULT; |
| 730 | break; |
| 731 | } |
| 732 | break; |
| 733 | |
| 734 | case IPA_IOC_V4_DEL_NAT: |
| 735 | if (copy_from_user((u8 *)&nat_del, (u8 *)arg, |
| 736 | sizeof(struct ipa_ioc_v4_nat_del))) { |
| 737 | retval = -EFAULT; |
| 738 | break; |
| 739 | } |
| 740 | if (ipa3_nat_del_cmd(&nat_del)) { |
| 741 | retval = -EFAULT; |
| 742 | break; |
| 743 | } |
| 744 | break; |
| 745 | |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 746 | case IPA_IOC_NAT_MODIFY_PDN: |
| 747 | if (copy_from_user((u8 *)&mdfy_pdn, (const void __user *)arg, |
| 748 | sizeof(struct ipa_ioc_nat_pdn_entry))) { |
| 749 | retval = -EFAULT; |
| 750 | break; |
| 751 | } |
Amir Levy | dc65f4c | 2017-07-06 09:49:50 +0300 | [diff] [blame] | 752 | if (ipa3_nat_mdfy_pdn(&mdfy_pdn)) { |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 753 | retval = -EFAULT; |
| 754 | break; |
| 755 | } |
| 756 | break; |
| 757 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 758 | case IPA_IOC_ADD_HDR: |
| 759 | if (copy_from_user(header, (u8 *)arg, |
| 760 | sizeof(struct ipa_ioc_add_hdr))) { |
| 761 | retval = -EFAULT; |
| 762 | break; |
| 763 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 764 | pre_entry = |
| 765 | ((struct ipa_ioc_add_hdr *)header)->num_hdrs; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 766 | pyld_sz = |
| 767 | sizeof(struct ipa_ioc_add_hdr) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 768 | pre_entry * sizeof(struct ipa_hdr_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 769 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 770 | if (!param) { |
| 771 | retval = -ENOMEM; |
| 772 | break; |
| 773 | } |
| 774 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 775 | retval = -EFAULT; |
| 776 | break; |
| 777 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 778 | /* add check in case user-space module compromised */ |
| 779 | if (unlikely(((struct ipa_ioc_add_hdr *)param)->num_hdrs |
| 780 | != pre_entry)) { |
| 781 | IPAERR("current %d pre %d\n", |
| 782 | ((struct ipa_ioc_add_hdr *)param)->num_hdrs, |
| 783 | pre_entry); |
| 784 | retval = -EFAULT; |
| 785 | break; |
| 786 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 787 | if (ipa3_add_hdr((struct ipa_ioc_add_hdr *)param)) { |
| 788 | retval = -EFAULT; |
| 789 | break; |
| 790 | } |
| 791 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 792 | retval = -EFAULT; |
| 793 | break; |
| 794 | } |
| 795 | break; |
| 796 | |
| 797 | case IPA_IOC_DEL_HDR: |
| 798 | if (copy_from_user(header, (u8 *)arg, |
| 799 | sizeof(struct ipa_ioc_del_hdr))) { |
| 800 | retval = -EFAULT; |
| 801 | break; |
| 802 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 803 | pre_entry = |
| 804 | ((struct ipa_ioc_del_hdr *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 805 | pyld_sz = |
| 806 | sizeof(struct ipa_ioc_del_hdr) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 807 | pre_entry * sizeof(struct ipa_hdr_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 808 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 809 | if (!param) { |
| 810 | retval = -ENOMEM; |
| 811 | break; |
| 812 | } |
| 813 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 814 | retval = -EFAULT; |
| 815 | break; |
| 816 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 817 | /* add check in case user-space module compromised */ |
| 818 | if (unlikely(((struct ipa_ioc_del_hdr *)param)->num_hdls |
| 819 | != pre_entry)) { |
| 820 | IPAERR("current %d pre %d\n", |
| 821 | ((struct ipa_ioc_del_hdr *)param)->num_hdls, |
| 822 | pre_entry); |
| 823 | retval = -EFAULT; |
| 824 | break; |
| 825 | } |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 826 | if (ipa3_del_hdr_by_user((struct ipa_ioc_del_hdr *)param, |
| 827 | true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 828 | retval = -EFAULT; |
| 829 | break; |
| 830 | } |
| 831 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 832 | retval = -EFAULT; |
| 833 | break; |
| 834 | } |
| 835 | break; |
| 836 | |
| 837 | case IPA_IOC_ADD_RT_RULE: |
| 838 | if (copy_from_user(header, (u8 *)arg, |
| 839 | sizeof(struct ipa_ioc_add_rt_rule))) { |
| 840 | retval = -EFAULT; |
| 841 | break; |
| 842 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 843 | pre_entry = |
| 844 | ((struct ipa_ioc_add_rt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 845 | pyld_sz = |
| 846 | sizeof(struct ipa_ioc_add_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 847 | pre_entry * sizeof(struct ipa_rt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 848 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 849 | if (!param) { |
| 850 | retval = -ENOMEM; |
| 851 | break; |
| 852 | } |
| 853 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 854 | retval = -EFAULT; |
| 855 | break; |
| 856 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 857 | /* add check in case user-space module compromised */ |
| 858 | if (unlikely(((struct ipa_ioc_add_rt_rule *)param)->num_rules |
| 859 | != pre_entry)) { |
| 860 | IPAERR("current %d pre %d\n", |
| 861 | ((struct ipa_ioc_add_rt_rule *)param)-> |
| 862 | num_rules, |
| 863 | pre_entry); |
| 864 | retval = -EFAULT; |
| 865 | break; |
| 866 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 867 | if (ipa3_add_rt_rule((struct ipa_ioc_add_rt_rule *)param)) { |
| 868 | retval = -EFAULT; |
| 869 | break; |
| 870 | } |
| 871 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 872 | retval = -EFAULT; |
| 873 | break; |
| 874 | } |
| 875 | break; |
| 876 | case IPA_IOC_ADD_RT_RULE_AFTER: |
| 877 | if (copy_from_user(header, (u8 *)arg, |
| 878 | sizeof(struct ipa_ioc_add_rt_rule_after))) { |
| 879 | |
| 880 | retval = -EFAULT; |
| 881 | break; |
| 882 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 883 | pre_entry = |
| 884 | ((struct ipa_ioc_add_rt_rule_after *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 885 | pyld_sz = |
| 886 | sizeof(struct ipa_ioc_add_rt_rule_after) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 887 | pre_entry * sizeof(struct ipa_rt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 888 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 889 | if (!param) { |
| 890 | retval = -ENOMEM; |
| 891 | break; |
| 892 | } |
| 893 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 894 | retval = -EFAULT; |
| 895 | break; |
| 896 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 897 | /* add check in case user-space module compromised */ |
| 898 | if (unlikely(((struct ipa_ioc_add_rt_rule_after *)param)-> |
| 899 | num_rules != pre_entry)) { |
| 900 | IPAERR("current %d pre %d\n", |
| 901 | ((struct ipa_ioc_add_rt_rule_after *)param)-> |
| 902 | num_rules, |
| 903 | pre_entry); |
| 904 | retval = -EFAULT; |
| 905 | break; |
| 906 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 907 | if (ipa3_add_rt_rule_after( |
| 908 | (struct ipa_ioc_add_rt_rule_after *)param)) { |
| 909 | |
| 910 | retval = -EFAULT; |
| 911 | break; |
| 912 | } |
| 913 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 914 | retval = -EFAULT; |
| 915 | break; |
| 916 | } |
| 917 | break; |
| 918 | |
| 919 | case IPA_IOC_MDFY_RT_RULE: |
| 920 | if (copy_from_user(header, (u8 *)arg, |
| 921 | sizeof(struct ipa_ioc_mdfy_rt_rule))) { |
| 922 | retval = -EFAULT; |
| 923 | break; |
| 924 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 925 | pre_entry = |
| 926 | ((struct ipa_ioc_mdfy_rt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 927 | pyld_sz = |
| 928 | sizeof(struct ipa_ioc_mdfy_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 929 | pre_entry * sizeof(struct ipa_rt_rule_mdfy); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 930 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 931 | if (!param) { |
| 932 | retval = -ENOMEM; |
| 933 | break; |
| 934 | } |
| 935 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 936 | retval = -EFAULT; |
| 937 | break; |
| 938 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 939 | /* add check in case user-space module compromised */ |
| 940 | if (unlikely(((struct ipa_ioc_mdfy_rt_rule *)param)->num_rules |
| 941 | != pre_entry)) { |
| 942 | IPAERR("current %d pre %d\n", |
| 943 | ((struct ipa_ioc_mdfy_rt_rule *)param)-> |
| 944 | num_rules, |
| 945 | pre_entry); |
| 946 | retval = -EFAULT; |
| 947 | break; |
| 948 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 949 | if (ipa3_mdfy_rt_rule((struct ipa_ioc_mdfy_rt_rule *)param)) { |
| 950 | retval = -EFAULT; |
| 951 | break; |
| 952 | } |
| 953 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 954 | retval = -EFAULT; |
| 955 | break; |
| 956 | } |
| 957 | break; |
| 958 | |
| 959 | case IPA_IOC_DEL_RT_RULE: |
| 960 | if (copy_from_user(header, (u8 *)arg, |
| 961 | sizeof(struct ipa_ioc_del_rt_rule))) { |
| 962 | retval = -EFAULT; |
| 963 | break; |
| 964 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 965 | pre_entry = |
| 966 | ((struct ipa_ioc_del_rt_rule *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 967 | pyld_sz = |
| 968 | sizeof(struct ipa_ioc_del_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 969 | pre_entry * sizeof(struct ipa_rt_rule_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 970 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 971 | if (!param) { |
| 972 | retval = -ENOMEM; |
| 973 | break; |
| 974 | } |
| 975 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 976 | retval = -EFAULT; |
| 977 | break; |
| 978 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 979 | /* add check in case user-space module compromised */ |
| 980 | if (unlikely(((struct ipa_ioc_del_rt_rule *)param)->num_hdls |
| 981 | != pre_entry)) { |
| 982 | IPAERR("current %d pre %d\n", |
| 983 | ((struct ipa_ioc_del_rt_rule *)param)->num_hdls, |
| 984 | pre_entry); |
| 985 | retval = -EFAULT; |
| 986 | break; |
| 987 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 988 | if (ipa3_del_rt_rule((struct ipa_ioc_del_rt_rule *)param)) { |
| 989 | retval = -EFAULT; |
| 990 | break; |
| 991 | } |
| 992 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 993 | retval = -EFAULT; |
| 994 | break; |
| 995 | } |
| 996 | break; |
| 997 | |
| 998 | case IPA_IOC_ADD_FLT_RULE: |
| 999 | if (copy_from_user(header, (u8 *)arg, |
| 1000 | sizeof(struct ipa_ioc_add_flt_rule))) { |
| 1001 | retval = -EFAULT; |
| 1002 | break; |
| 1003 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1004 | pre_entry = |
| 1005 | ((struct ipa_ioc_add_flt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1006 | pyld_sz = |
| 1007 | sizeof(struct ipa_ioc_add_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1008 | pre_entry * sizeof(struct ipa_flt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1009 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1010 | if (!param) { |
| 1011 | retval = -ENOMEM; |
| 1012 | break; |
| 1013 | } |
| 1014 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1015 | retval = -EFAULT; |
| 1016 | break; |
| 1017 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1018 | /* add check in case user-space module compromised */ |
| 1019 | if (unlikely(((struct ipa_ioc_add_flt_rule *)param)->num_rules |
| 1020 | != pre_entry)) { |
| 1021 | IPAERR("current %d pre %d\n", |
| 1022 | ((struct ipa_ioc_add_flt_rule *)param)-> |
| 1023 | num_rules, |
| 1024 | pre_entry); |
| 1025 | retval = -EFAULT; |
| 1026 | break; |
| 1027 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1028 | if (ipa3_add_flt_rule((struct ipa_ioc_add_flt_rule *)param)) { |
| 1029 | retval = -EFAULT; |
| 1030 | break; |
| 1031 | } |
| 1032 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1033 | retval = -EFAULT; |
| 1034 | break; |
| 1035 | } |
| 1036 | break; |
| 1037 | |
| 1038 | case IPA_IOC_ADD_FLT_RULE_AFTER: |
| 1039 | if (copy_from_user(header, (u8 *)arg, |
| 1040 | sizeof(struct ipa_ioc_add_flt_rule_after))) { |
| 1041 | |
| 1042 | retval = -EFAULT; |
| 1043 | break; |
| 1044 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1045 | pre_entry = |
| 1046 | ((struct ipa_ioc_add_flt_rule_after *)header)-> |
| 1047 | num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1048 | pyld_sz = |
| 1049 | sizeof(struct ipa_ioc_add_flt_rule_after) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1050 | pre_entry * sizeof(struct ipa_flt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1051 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1052 | if (!param) { |
| 1053 | retval = -ENOMEM; |
| 1054 | break; |
| 1055 | } |
| 1056 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1057 | retval = -EFAULT; |
| 1058 | break; |
| 1059 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1060 | /* add check in case user-space module compromised */ |
| 1061 | if (unlikely(((struct ipa_ioc_add_flt_rule_after *)param)-> |
| 1062 | num_rules != pre_entry)) { |
| 1063 | IPAERR("current %d pre %d\n", |
| 1064 | ((struct ipa_ioc_add_flt_rule_after *)param)-> |
| 1065 | num_rules, |
| 1066 | pre_entry); |
| 1067 | retval = -EFAULT; |
| 1068 | break; |
| 1069 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1070 | if (ipa3_add_flt_rule_after( |
| 1071 | (struct ipa_ioc_add_flt_rule_after *)param)) { |
| 1072 | retval = -EFAULT; |
| 1073 | break; |
| 1074 | } |
| 1075 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1076 | retval = -EFAULT; |
| 1077 | break; |
| 1078 | } |
| 1079 | break; |
| 1080 | |
| 1081 | case IPA_IOC_DEL_FLT_RULE: |
| 1082 | if (copy_from_user(header, (u8 *)arg, |
| 1083 | sizeof(struct ipa_ioc_del_flt_rule))) { |
| 1084 | retval = -EFAULT; |
| 1085 | break; |
| 1086 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1087 | pre_entry = |
| 1088 | ((struct ipa_ioc_del_flt_rule *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1089 | pyld_sz = |
| 1090 | sizeof(struct ipa_ioc_del_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1091 | pre_entry * sizeof(struct ipa_flt_rule_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1092 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1093 | if (!param) { |
| 1094 | retval = -ENOMEM; |
| 1095 | break; |
| 1096 | } |
| 1097 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1098 | retval = -EFAULT; |
| 1099 | break; |
| 1100 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1101 | /* add check in case user-space module compromised */ |
| 1102 | if (unlikely(((struct ipa_ioc_del_flt_rule *)param)->num_hdls |
| 1103 | != pre_entry)) { |
| 1104 | IPAERR("current %d pre %d\n", |
| 1105 | ((struct ipa_ioc_del_flt_rule *)param)-> |
| 1106 | num_hdls, |
| 1107 | pre_entry); |
| 1108 | retval = -EFAULT; |
| 1109 | break; |
| 1110 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1111 | if (ipa3_del_flt_rule((struct ipa_ioc_del_flt_rule *)param)) { |
| 1112 | retval = -EFAULT; |
| 1113 | break; |
| 1114 | } |
| 1115 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1116 | retval = -EFAULT; |
| 1117 | break; |
| 1118 | } |
| 1119 | break; |
| 1120 | |
| 1121 | case IPA_IOC_MDFY_FLT_RULE: |
| 1122 | if (copy_from_user(header, (u8 *)arg, |
| 1123 | sizeof(struct ipa_ioc_mdfy_flt_rule))) { |
| 1124 | retval = -EFAULT; |
| 1125 | break; |
| 1126 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1127 | pre_entry = |
| 1128 | ((struct ipa_ioc_mdfy_flt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1129 | pyld_sz = |
| 1130 | sizeof(struct ipa_ioc_mdfy_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1131 | pre_entry * sizeof(struct ipa_flt_rule_mdfy); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1132 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1133 | if (!param) { |
| 1134 | retval = -ENOMEM; |
| 1135 | break; |
| 1136 | } |
| 1137 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1138 | retval = -EFAULT; |
| 1139 | break; |
| 1140 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1141 | /* add check in case user-space module compromised */ |
| 1142 | if (unlikely(((struct ipa_ioc_mdfy_flt_rule *)param)->num_rules |
| 1143 | != pre_entry)) { |
| 1144 | IPAERR("current %d pre %d\n", |
| 1145 | ((struct ipa_ioc_mdfy_flt_rule *)param)-> |
| 1146 | num_rules, |
| 1147 | pre_entry); |
| 1148 | retval = -EFAULT; |
| 1149 | break; |
| 1150 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1151 | if (ipa3_mdfy_flt_rule((struct ipa_ioc_mdfy_flt_rule *)param)) { |
| 1152 | retval = -EFAULT; |
| 1153 | break; |
| 1154 | } |
| 1155 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1156 | retval = -EFAULT; |
| 1157 | break; |
| 1158 | } |
| 1159 | break; |
| 1160 | |
| 1161 | case IPA_IOC_COMMIT_HDR: |
| 1162 | retval = ipa3_commit_hdr(); |
| 1163 | break; |
| 1164 | case IPA_IOC_RESET_HDR: |
| 1165 | retval = ipa3_reset_hdr(); |
| 1166 | break; |
| 1167 | case IPA_IOC_COMMIT_RT: |
| 1168 | retval = ipa3_commit_rt(arg); |
| 1169 | break; |
| 1170 | case IPA_IOC_RESET_RT: |
| 1171 | retval = ipa3_reset_rt(arg); |
| 1172 | break; |
| 1173 | case IPA_IOC_COMMIT_FLT: |
| 1174 | retval = ipa3_commit_flt(arg); |
| 1175 | break; |
| 1176 | case IPA_IOC_RESET_FLT: |
| 1177 | retval = ipa3_reset_flt(arg); |
| 1178 | break; |
| 1179 | case IPA_IOC_GET_RT_TBL: |
| 1180 | if (copy_from_user(header, (u8 *)arg, |
| 1181 | sizeof(struct ipa_ioc_get_rt_tbl))) { |
| 1182 | retval = -EFAULT; |
| 1183 | break; |
| 1184 | } |
| 1185 | if (ipa3_get_rt_tbl((struct ipa_ioc_get_rt_tbl *)header)) { |
| 1186 | retval = -EFAULT; |
| 1187 | break; |
| 1188 | } |
| 1189 | if (copy_to_user((u8 *)arg, header, |
| 1190 | sizeof(struct ipa_ioc_get_rt_tbl))) { |
| 1191 | retval = -EFAULT; |
| 1192 | break; |
| 1193 | } |
| 1194 | break; |
| 1195 | case IPA_IOC_PUT_RT_TBL: |
| 1196 | retval = ipa3_put_rt_tbl(arg); |
| 1197 | break; |
| 1198 | case IPA_IOC_GET_HDR: |
| 1199 | if (copy_from_user(header, (u8 *)arg, |
| 1200 | sizeof(struct ipa_ioc_get_hdr))) { |
| 1201 | retval = -EFAULT; |
| 1202 | break; |
| 1203 | } |
| 1204 | if (ipa3_get_hdr((struct ipa_ioc_get_hdr *)header)) { |
| 1205 | retval = -EFAULT; |
| 1206 | break; |
| 1207 | } |
| 1208 | if (copy_to_user((u8 *)arg, header, |
| 1209 | sizeof(struct ipa_ioc_get_hdr))) { |
| 1210 | retval = -EFAULT; |
| 1211 | break; |
| 1212 | } |
| 1213 | break; |
| 1214 | case IPA_IOC_PUT_HDR: |
| 1215 | retval = ipa3_put_hdr(arg); |
| 1216 | break; |
| 1217 | case IPA_IOC_SET_FLT: |
| 1218 | retval = ipa3_cfg_filter(arg); |
| 1219 | break; |
| 1220 | case IPA_IOC_COPY_HDR: |
| 1221 | if (copy_from_user(header, (u8 *)arg, |
| 1222 | sizeof(struct ipa_ioc_copy_hdr))) { |
| 1223 | retval = -EFAULT; |
| 1224 | break; |
| 1225 | } |
| 1226 | if (ipa3_copy_hdr((struct ipa_ioc_copy_hdr *)header)) { |
| 1227 | retval = -EFAULT; |
| 1228 | break; |
| 1229 | } |
| 1230 | if (copy_to_user((u8 *)arg, header, |
| 1231 | sizeof(struct ipa_ioc_copy_hdr))) { |
| 1232 | retval = -EFAULT; |
| 1233 | break; |
| 1234 | } |
| 1235 | break; |
| 1236 | case IPA_IOC_QUERY_INTF: |
| 1237 | if (copy_from_user(header, (u8 *)arg, |
| 1238 | sizeof(struct ipa_ioc_query_intf))) { |
| 1239 | retval = -EFAULT; |
| 1240 | break; |
| 1241 | } |
| 1242 | if (ipa3_query_intf((struct ipa_ioc_query_intf *)header)) { |
| 1243 | retval = -1; |
| 1244 | break; |
| 1245 | } |
| 1246 | if (copy_to_user((u8 *)arg, header, |
| 1247 | sizeof(struct ipa_ioc_query_intf))) { |
| 1248 | retval = -EFAULT; |
| 1249 | break; |
| 1250 | } |
| 1251 | break; |
| 1252 | case IPA_IOC_QUERY_INTF_TX_PROPS: |
| 1253 | sz = sizeof(struct ipa_ioc_query_intf_tx_props); |
| 1254 | if (copy_from_user(header, (u8 *)arg, sz)) { |
| 1255 | retval = -EFAULT; |
| 1256 | break; |
| 1257 | } |
| 1258 | |
| 1259 | if (((struct ipa_ioc_query_intf_tx_props *)header)->num_tx_props |
| 1260 | > IPA_NUM_PROPS_MAX) { |
| 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_query_intf_tx_props *) |
| 1266 | header)->num_tx_props; |
| 1267 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1268 | sizeof(struct ipa_ioc_tx_intf_prop); |
| 1269 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1270 | if (!param) { |
| 1271 | retval = -ENOMEM; |
| 1272 | break; |
| 1273 | } |
| 1274 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 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_query_intf_tx_props *) |
| 1280 | param)->num_tx_props |
| 1281 | != pre_entry)) { |
| 1282 | IPAERR("current %d pre %d\n", |
| 1283 | ((struct ipa_ioc_query_intf_tx_props *) |
| 1284 | param)->num_tx_props, pre_entry); |
| 1285 | retval = -EFAULT; |
| 1286 | break; |
| 1287 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1288 | if (ipa3_query_intf_tx_props( |
| 1289 | (struct ipa_ioc_query_intf_tx_props *)param)) { |
| 1290 | retval = -1; |
| 1291 | break; |
| 1292 | } |
| 1293 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1294 | retval = -EFAULT; |
| 1295 | break; |
| 1296 | } |
| 1297 | break; |
| 1298 | case IPA_IOC_QUERY_INTF_RX_PROPS: |
| 1299 | sz = sizeof(struct ipa_ioc_query_intf_rx_props); |
| 1300 | if (copy_from_user(header, (u8 *)arg, sz)) { |
| 1301 | retval = -EFAULT; |
| 1302 | break; |
| 1303 | } |
| 1304 | |
| 1305 | if (((struct ipa_ioc_query_intf_rx_props *)header)->num_rx_props |
| 1306 | > IPA_NUM_PROPS_MAX) { |
| 1307 | retval = -EFAULT; |
| 1308 | break; |
| 1309 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1310 | pre_entry = |
| 1311 | ((struct ipa_ioc_query_intf_rx_props *) |
| 1312 | header)->num_rx_props; |
| 1313 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1314 | sizeof(struct ipa_ioc_rx_intf_prop); |
| 1315 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1316 | if (!param) { |
| 1317 | retval = -ENOMEM; |
| 1318 | break; |
| 1319 | } |
| 1320 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1321 | retval = -EFAULT; |
| 1322 | break; |
| 1323 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1324 | /* add check in case user-space module compromised */ |
| 1325 | if (unlikely(((struct ipa_ioc_query_intf_rx_props *) |
| 1326 | param)->num_rx_props != pre_entry)) { |
| 1327 | IPAERR("current %d pre %d\n", |
| 1328 | ((struct ipa_ioc_query_intf_rx_props *) |
| 1329 | param)->num_rx_props, pre_entry); |
| 1330 | retval = -EFAULT; |
| 1331 | break; |
| 1332 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1333 | if (ipa3_query_intf_rx_props( |
| 1334 | (struct ipa_ioc_query_intf_rx_props *)param)) { |
| 1335 | retval = -1; |
| 1336 | break; |
| 1337 | } |
| 1338 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1339 | retval = -EFAULT; |
| 1340 | break; |
| 1341 | } |
| 1342 | break; |
| 1343 | case IPA_IOC_QUERY_INTF_EXT_PROPS: |
| 1344 | sz = sizeof(struct ipa_ioc_query_intf_ext_props); |
| 1345 | if (copy_from_user(header, (u8 *)arg, sz)) { |
| 1346 | retval = -EFAULT; |
| 1347 | break; |
| 1348 | } |
| 1349 | |
| 1350 | if (((struct ipa_ioc_query_intf_ext_props *) |
| 1351 | header)->num_ext_props > IPA_NUM_PROPS_MAX) { |
| 1352 | retval = -EFAULT; |
| 1353 | break; |
| 1354 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1355 | pre_entry = |
| 1356 | ((struct ipa_ioc_query_intf_ext_props *) |
| 1357 | header)->num_ext_props; |
| 1358 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1359 | sizeof(struct ipa_ioc_ext_intf_prop); |
| 1360 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1361 | if (!param) { |
| 1362 | retval = -ENOMEM; |
| 1363 | break; |
| 1364 | } |
| 1365 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1366 | retval = -EFAULT; |
| 1367 | break; |
| 1368 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1369 | /* add check in case user-space module compromised */ |
| 1370 | if (unlikely(((struct ipa_ioc_query_intf_ext_props *) |
| 1371 | param)->num_ext_props != pre_entry)) { |
| 1372 | IPAERR("current %d pre %d\n", |
| 1373 | ((struct ipa_ioc_query_intf_ext_props *) |
| 1374 | param)->num_ext_props, pre_entry); |
| 1375 | retval = -EFAULT; |
| 1376 | break; |
| 1377 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1378 | if (ipa3_query_intf_ext_props( |
| 1379 | (struct ipa_ioc_query_intf_ext_props *)param)) { |
| 1380 | retval = -1; |
| 1381 | break; |
| 1382 | } |
| 1383 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1384 | retval = -EFAULT; |
| 1385 | break; |
| 1386 | } |
| 1387 | break; |
| 1388 | case IPA_IOC_PULL_MSG: |
| 1389 | if (copy_from_user(header, (u8 *)arg, |
| 1390 | sizeof(struct ipa_msg_meta))) { |
| 1391 | retval = -EFAULT; |
| 1392 | break; |
| 1393 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1394 | pre_entry = |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1395 | ((struct ipa_msg_meta *)header)->msg_len; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1396 | pyld_sz = sizeof(struct ipa_msg_meta) + |
| 1397 | pre_entry; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1398 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1399 | if (!param) { |
| 1400 | retval = -ENOMEM; |
| 1401 | break; |
| 1402 | } |
| 1403 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1404 | retval = -EFAULT; |
| 1405 | break; |
| 1406 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1407 | /* add check in case user-space module compromised */ |
| 1408 | if (unlikely(((struct ipa_msg_meta *)param)->msg_len |
| 1409 | != pre_entry)) { |
| 1410 | IPAERR("current %d pre %d\n", |
| 1411 | ((struct ipa_msg_meta *)param)->msg_len, |
| 1412 | pre_entry); |
| 1413 | retval = -EFAULT; |
| 1414 | break; |
| 1415 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1416 | if (ipa3_pull_msg((struct ipa_msg_meta *)param, |
| 1417 | (char *)param + sizeof(struct ipa_msg_meta), |
| 1418 | ((struct ipa_msg_meta *)param)->msg_len) != |
| 1419 | ((struct ipa_msg_meta *)param)->msg_len) { |
| 1420 | retval = -1; |
| 1421 | break; |
| 1422 | } |
| 1423 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1424 | retval = -EFAULT; |
| 1425 | break; |
| 1426 | } |
| 1427 | break; |
| 1428 | case IPA_IOC_RM_ADD_DEPENDENCY: |
| 1429 | if (copy_from_user((u8 *)&rm_depend, (u8 *)arg, |
| 1430 | sizeof(struct ipa_ioc_rm_dependency))) { |
| 1431 | retval = -EFAULT; |
| 1432 | break; |
| 1433 | } |
| 1434 | retval = ipa_rm_add_dependency_from_ioctl( |
| 1435 | rm_depend.resource_name, rm_depend.depends_on_name); |
| 1436 | break; |
| 1437 | case IPA_IOC_RM_DEL_DEPENDENCY: |
| 1438 | if (copy_from_user((u8 *)&rm_depend, (u8 *)arg, |
| 1439 | sizeof(struct ipa_ioc_rm_dependency))) { |
| 1440 | retval = -EFAULT; |
| 1441 | break; |
| 1442 | } |
| 1443 | retval = ipa_rm_delete_dependency_from_ioctl( |
| 1444 | rm_depend.resource_name, rm_depend.depends_on_name); |
| 1445 | break; |
| 1446 | case IPA_IOC_GENERATE_FLT_EQ: |
| 1447 | { |
| 1448 | struct ipa_ioc_generate_flt_eq flt_eq; |
| 1449 | |
| 1450 | if (copy_from_user(&flt_eq, (u8 *)arg, |
| 1451 | sizeof(struct ipa_ioc_generate_flt_eq))) { |
| 1452 | retval = -EFAULT; |
| 1453 | break; |
| 1454 | } |
| 1455 | if (ipahal_flt_generate_equation(flt_eq.ip, |
| 1456 | &flt_eq.attrib, &flt_eq.eq_attrib)) { |
| 1457 | retval = -EFAULT; |
| 1458 | break; |
| 1459 | } |
| 1460 | if (copy_to_user((u8 *)arg, &flt_eq, |
| 1461 | sizeof(struct ipa_ioc_generate_flt_eq))) { |
| 1462 | retval = -EFAULT; |
| 1463 | break; |
| 1464 | } |
| 1465 | break; |
| 1466 | } |
| 1467 | case IPA_IOC_QUERY_EP_MAPPING: |
| 1468 | { |
| 1469 | retval = ipa3_get_ep_mapping(arg); |
| 1470 | break; |
| 1471 | } |
| 1472 | case IPA_IOC_QUERY_RT_TBL_INDEX: |
| 1473 | if (copy_from_user(header, (u8 *)arg, |
| 1474 | sizeof(struct ipa_ioc_get_rt_tbl_indx))) { |
| 1475 | retval = -EFAULT; |
| 1476 | break; |
| 1477 | } |
| 1478 | if (ipa3_query_rt_index( |
| 1479 | (struct ipa_ioc_get_rt_tbl_indx *)header)) { |
| 1480 | retval = -EFAULT; |
| 1481 | break; |
| 1482 | } |
| 1483 | if (copy_to_user((u8 *)arg, header, |
| 1484 | sizeof(struct ipa_ioc_get_rt_tbl_indx))) { |
| 1485 | retval = -EFAULT; |
| 1486 | break; |
| 1487 | } |
| 1488 | break; |
| 1489 | case IPA_IOC_WRITE_QMAPID: |
| 1490 | if (copy_from_user(header, (u8 *)arg, |
| 1491 | sizeof(struct ipa_ioc_write_qmapid))) { |
| 1492 | retval = -EFAULT; |
| 1493 | break; |
| 1494 | } |
| 1495 | if (ipa3_write_qmap_id((struct ipa_ioc_write_qmapid *)header)) { |
| 1496 | retval = -EFAULT; |
| 1497 | break; |
| 1498 | } |
| 1499 | if (copy_to_user((u8 *)arg, header, |
| 1500 | sizeof(struct ipa_ioc_write_qmapid))) { |
| 1501 | retval = -EFAULT; |
| 1502 | break; |
| 1503 | } |
| 1504 | break; |
| 1505 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD: |
| 1506 | retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_ADD); |
| 1507 | if (retval) { |
| 1508 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1509 | break; |
| 1510 | } |
| 1511 | break; |
| 1512 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL: |
| 1513 | retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_DEL); |
| 1514 | if (retval) { |
| 1515 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1516 | break; |
| 1517 | } |
| 1518 | break; |
| 1519 | case IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED: |
| 1520 | retval = ipa3_send_wan_msg(arg, WAN_EMBMS_CONNECT); |
| 1521 | if (retval) { |
| 1522 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1523 | break; |
| 1524 | } |
| 1525 | break; |
| 1526 | case IPA_IOC_ADD_HDR_PROC_CTX: |
| 1527 | if (copy_from_user(header, (u8 *)arg, |
| 1528 | sizeof(struct ipa_ioc_add_hdr_proc_ctx))) { |
| 1529 | retval = -EFAULT; |
| 1530 | break; |
| 1531 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1532 | pre_entry = |
| 1533 | ((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1534 | header)->num_proc_ctxs; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1535 | pyld_sz = |
| 1536 | sizeof(struct ipa_ioc_add_hdr_proc_ctx) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1537 | pre_entry * sizeof(struct ipa_hdr_proc_ctx_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1538 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1539 | if (!param) { |
| 1540 | retval = -ENOMEM; |
| 1541 | break; |
| 1542 | } |
| 1543 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1544 | retval = -EFAULT; |
| 1545 | break; |
| 1546 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1547 | /* add check in case user-space module compromised */ |
| 1548 | if (unlikely(((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1549 | param)->num_proc_ctxs != pre_entry)) { |
| 1550 | IPAERR("current %d pre %d\n", |
| 1551 | ((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1552 | param)->num_proc_ctxs, pre_entry); |
| 1553 | retval = -EFAULT; |
| 1554 | break; |
| 1555 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1556 | if (ipa3_add_hdr_proc_ctx( |
| 1557 | (struct ipa_ioc_add_hdr_proc_ctx *)param)) { |
| 1558 | retval = -EFAULT; |
| 1559 | break; |
| 1560 | } |
| 1561 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1562 | retval = -EFAULT; |
| 1563 | break; |
| 1564 | } |
| 1565 | break; |
| 1566 | case IPA_IOC_DEL_HDR_PROC_CTX: |
| 1567 | if (copy_from_user(header, (u8 *)arg, |
| 1568 | sizeof(struct ipa_ioc_del_hdr_proc_ctx))) { |
| 1569 | retval = -EFAULT; |
| 1570 | break; |
| 1571 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1572 | pre_entry = |
| 1573 | ((struct ipa_ioc_del_hdr_proc_ctx *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1574 | pyld_sz = |
| 1575 | sizeof(struct ipa_ioc_del_hdr_proc_ctx) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1576 | pre_entry * sizeof(struct ipa_hdr_proc_ctx_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1577 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1578 | if (!param) { |
| 1579 | retval = -ENOMEM; |
| 1580 | break; |
| 1581 | } |
| 1582 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1583 | retval = -EFAULT; |
| 1584 | break; |
| 1585 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1586 | /* add check in case user-space module compromised */ |
| 1587 | if (unlikely(((struct ipa_ioc_del_hdr_proc_ctx *) |
| 1588 | param)->num_hdls != pre_entry)) { |
| 1589 | IPAERR("current %d pre %d\n", |
| 1590 | ((struct ipa_ioc_del_hdr_proc_ctx *)param)-> |
| 1591 | num_hdls, |
| 1592 | pre_entry); |
| 1593 | retval = -EFAULT; |
| 1594 | break; |
| 1595 | } |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 1596 | if (ipa3_del_hdr_proc_ctx_by_user( |
| 1597 | (struct ipa_ioc_del_hdr_proc_ctx *)param, true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1598 | retval = -EFAULT; |
| 1599 | break; |
| 1600 | } |
| 1601 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1602 | retval = -EFAULT; |
| 1603 | break; |
| 1604 | } |
| 1605 | break; |
| 1606 | |
| 1607 | case IPA_IOC_GET_HW_VERSION: |
| 1608 | pyld_sz = sizeof(enum ipa_hw_type); |
| 1609 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1610 | if (!param) { |
| 1611 | retval = -ENOMEM; |
| 1612 | break; |
| 1613 | } |
| 1614 | memcpy(param, &ipa3_ctx->ipa_hw_type, pyld_sz); |
| 1615 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1616 | retval = -EFAULT; |
| 1617 | break; |
| 1618 | } |
| 1619 | break; |
| 1620 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 1621 | case IPA_IOC_ADD_VLAN_IFACE: |
| 1622 | if (ipa3_send_vlan_l2tp_msg(arg, ADD_VLAN_IFACE)) { |
| 1623 | retval = -EFAULT; |
| 1624 | break; |
| 1625 | } |
| 1626 | break; |
| 1627 | |
| 1628 | case IPA_IOC_DEL_VLAN_IFACE: |
| 1629 | if (ipa3_send_vlan_l2tp_msg(arg, DEL_VLAN_IFACE)) { |
| 1630 | retval = -EFAULT; |
| 1631 | break; |
| 1632 | } |
| 1633 | break; |
| 1634 | |
| 1635 | case IPA_IOC_ADD_L2TP_VLAN_MAPPING: |
| 1636 | if (ipa3_send_vlan_l2tp_msg(arg, ADD_L2TP_VLAN_MAPPING)) { |
| 1637 | retval = -EFAULT; |
| 1638 | break; |
| 1639 | } |
| 1640 | break; |
| 1641 | |
| 1642 | case IPA_IOC_DEL_L2TP_VLAN_MAPPING: |
| 1643 | if (ipa3_send_vlan_l2tp_msg(arg, DEL_L2TP_VLAN_MAPPING)) { |
| 1644 | retval = -EFAULT; |
| 1645 | break; |
| 1646 | } |
| 1647 | break; |
| 1648 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1649 | default: /* redundant, as cmd was checked against MAXNR */ |
| 1650 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1651 | return -ENOTTY; |
| 1652 | } |
| 1653 | kfree(param); |
| 1654 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1655 | |
| 1656 | return retval; |
| 1657 | } |
| 1658 | |
| 1659 | /** |
| 1660 | * ipa3_setup_dflt_rt_tables() - Setup default routing tables |
| 1661 | * |
| 1662 | * Return codes: |
| 1663 | * 0: success |
| 1664 | * -ENOMEM: failed to allocate memory |
| 1665 | * -EPERM: failed to add the tables |
| 1666 | */ |
| 1667 | int ipa3_setup_dflt_rt_tables(void) |
| 1668 | { |
| 1669 | struct ipa_ioc_add_rt_rule *rt_rule; |
| 1670 | struct ipa_rt_rule_add *rt_rule_entry; |
| 1671 | |
| 1672 | rt_rule = |
| 1673 | kzalloc(sizeof(struct ipa_ioc_add_rt_rule) + 1 * |
| 1674 | sizeof(struct ipa_rt_rule_add), GFP_KERNEL); |
| 1675 | if (!rt_rule) { |
| 1676 | IPAERR("fail to alloc mem\n"); |
| 1677 | return -ENOMEM; |
| 1678 | } |
| 1679 | /* setup a default v4 route to point to Apps */ |
| 1680 | rt_rule->num_rules = 1; |
| 1681 | rt_rule->commit = 1; |
| 1682 | rt_rule->ip = IPA_IP_v4; |
| 1683 | strlcpy(rt_rule->rt_tbl_name, IPA_DFLT_RT_TBL_NAME, |
| 1684 | IPA_RESOURCE_NAME_MAX); |
| 1685 | |
| 1686 | rt_rule_entry = &rt_rule->rules[0]; |
| 1687 | rt_rule_entry->at_rear = 1; |
| 1688 | rt_rule_entry->rule.dst = IPA_CLIENT_APPS_LAN_CONS; |
| 1689 | rt_rule_entry->rule.hdr_hdl = ipa3_ctx->excp_hdr_hdl; |
| 1690 | rt_rule_entry->rule.retain_hdr = 1; |
| 1691 | |
| 1692 | if (ipa3_add_rt_rule(rt_rule)) { |
| 1693 | IPAERR("fail to add dflt v4 rule\n"); |
| 1694 | kfree(rt_rule); |
| 1695 | return -EPERM; |
| 1696 | } |
| 1697 | IPADBG("dflt v4 rt rule hdl=%x\n", rt_rule_entry->rt_rule_hdl); |
| 1698 | ipa3_ctx->dflt_v4_rt_rule_hdl = rt_rule_entry->rt_rule_hdl; |
| 1699 | |
| 1700 | /* setup a default v6 route to point to A5 */ |
| 1701 | rt_rule->ip = IPA_IP_v6; |
| 1702 | if (ipa3_add_rt_rule(rt_rule)) { |
| 1703 | IPAERR("fail to add dflt v6 rule\n"); |
| 1704 | kfree(rt_rule); |
| 1705 | return -EPERM; |
| 1706 | } |
| 1707 | IPADBG("dflt v6 rt rule hdl=%x\n", rt_rule_entry->rt_rule_hdl); |
| 1708 | ipa3_ctx->dflt_v6_rt_rule_hdl = rt_rule_entry->rt_rule_hdl; |
| 1709 | |
| 1710 | /* |
| 1711 | * because these tables are the very first to be added, they will both |
| 1712 | * have the same index (0) which is essential for programming the |
| 1713 | * "route" end-point config |
| 1714 | */ |
| 1715 | |
| 1716 | kfree(rt_rule); |
| 1717 | |
| 1718 | return 0; |
| 1719 | } |
| 1720 | |
| 1721 | static int ipa3_setup_exception_path(void) |
| 1722 | { |
| 1723 | struct ipa_ioc_add_hdr *hdr; |
| 1724 | struct ipa_hdr_add *hdr_entry; |
| 1725 | struct ipahal_reg_route route = { 0 }; |
| 1726 | int ret; |
| 1727 | |
| 1728 | /* install the basic exception header */ |
| 1729 | hdr = kzalloc(sizeof(struct ipa_ioc_add_hdr) + 1 * |
| 1730 | sizeof(struct ipa_hdr_add), GFP_KERNEL); |
| 1731 | if (!hdr) { |
| 1732 | IPAERR("fail to alloc exception hdr\n"); |
| 1733 | return -ENOMEM; |
| 1734 | } |
| 1735 | hdr->num_hdrs = 1; |
| 1736 | hdr->commit = 1; |
| 1737 | hdr_entry = &hdr->hdr[0]; |
| 1738 | |
| 1739 | strlcpy(hdr_entry->name, IPA_LAN_RX_HDR_NAME, IPA_RESOURCE_NAME_MAX); |
| 1740 | hdr_entry->hdr_len = IPA_LAN_RX_HEADER_LENGTH; |
| 1741 | |
| 1742 | if (ipa3_add_hdr(hdr)) { |
| 1743 | IPAERR("fail to add exception hdr\n"); |
| 1744 | ret = -EPERM; |
| 1745 | goto bail; |
| 1746 | } |
| 1747 | |
| 1748 | if (hdr_entry->status) { |
| 1749 | IPAERR("fail to add exception hdr\n"); |
| 1750 | ret = -EPERM; |
| 1751 | goto bail; |
| 1752 | } |
| 1753 | |
| 1754 | ipa3_ctx->excp_hdr_hdl = hdr_entry->hdr_hdl; |
| 1755 | |
| 1756 | /* set the route register to pass exception packets to Apps */ |
| 1757 | route.route_def_pipe = ipa3_get_ep_mapping(IPA_CLIENT_APPS_LAN_CONS); |
| 1758 | route.route_frag_def_pipe = ipa3_get_ep_mapping( |
| 1759 | IPA_CLIENT_APPS_LAN_CONS); |
| 1760 | route.route_def_hdr_table = !ipa3_ctx->hdr_tbl_lcl; |
| 1761 | route.route_def_retain_hdr = 1; |
| 1762 | |
| 1763 | if (ipa3_cfg_route(&route)) { |
| 1764 | IPAERR("fail to add exception hdr\n"); |
| 1765 | ret = -EPERM; |
| 1766 | goto bail; |
| 1767 | } |
| 1768 | |
| 1769 | ret = 0; |
| 1770 | bail: |
| 1771 | kfree(hdr); |
| 1772 | return ret; |
| 1773 | } |
| 1774 | |
| 1775 | static int ipa3_init_smem_region(int memory_region_size, |
| 1776 | int memory_region_offset) |
| 1777 | { |
| 1778 | struct ipahal_imm_cmd_dma_shared_mem cmd; |
| 1779 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 1780 | struct ipa3_desc desc; |
| 1781 | struct ipa_mem_buffer mem; |
| 1782 | int rc; |
| 1783 | |
| 1784 | if (memory_region_size == 0) |
| 1785 | return 0; |
| 1786 | |
| 1787 | memset(&desc, 0, sizeof(desc)); |
| 1788 | memset(&cmd, 0, sizeof(cmd)); |
| 1789 | memset(&mem, 0, sizeof(mem)); |
| 1790 | |
| 1791 | mem.size = memory_region_size; |
| 1792 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, |
| 1793 | &mem.phys_base, GFP_KERNEL); |
| 1794 | if (!mem.base) { |
| 1795 | IPAERR("failed to alloc DMA buff of size %d\n", mem.size); |
| 1796 | return -ENOMEM; |
| 1797 | } |
| 1798 | |
| 1799 | memset(mem.base, 0, mem.size); |
| 1800 | cmd.is_read = false; |
| 1801 | cmd.skip_pipeline_clear = false; |
| 1802 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 1803 | cmd.size = mem.size; |
| 1804 | cmd.system_addr = mem.phys_base; |
| 1805 | cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 1806 | memory_region_offset; |
| 1807 | cmd_pyld = ipahal_construct_imm_cmd( |
| 1808 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 1809 | if (!cmd_pyld) { |
| 1810 | IPAERR("failed to construct dma_shared_mem imm cmd\n"); |
| 1811 | return -ENOMEM; |
| 1812 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 1813 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1814 | desc.pyld = cmd_pyld->data; |
| 1815 | desc.len = cmd_pyld->len; |
| 1816 | desc.type = IPA_IMM_CMD_DESC; |
| 1817 | |
| 1818 | rc = ipa3_send_cmd(1, &desc); |
| 1819 | if (rc) { |
| 1820 | IPAERR("failed to send immediate command (error %d)\n", rc); |
| 1821 | rc = -EFAULT; |
| 1822 | } |
| 1823 | |
| 1824 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 1825 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, |
| 1826 | mem.phys_base); |
| 1827 | |
| 1828 | return rc; |
| 1829 | } |
| 1830 | |
| 1831 | /** |
| 1832 | * ipa3_init_q6_smem() - Initialize Q6 general memory and |
| 1833 | * header memory regions in IPA. |
| 1834 | * |
| 1835 | * Return codes: |
| 1836 | * 0: success |
| 1837 | * -ENOMEM: failed to allocate dma memory |
| 1838 | * -EFAULT: failed to send IPA command to initialize the memory |
| 1839 | */ |
| 1840 | int ipa3_init_q6_smem(void) |
| 1841 | { |
| 1842 | int rc; |
| 1843 | |
| 1844 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 1845 | |
| 1846 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_size), |
| 1847 | IPA_MEM_PART(modem_ofst)); |
| 1848 | if (rc) { |
| 1849 | IPAERR("failed to initialize Modem RAM memory\n"); |
| 1850 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1851 | return rc; |
| 1852 | } |
| 1853 | |
| 1854 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_hdr_size), |
| 1855 | IPA_MEM_PART(modem_hdr_ofst)); |
| 1856 | if (rc) { |
| 1857 | IPAERR("failed to initialize Modem HDRs RAM memory\n"); |
| 1858 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1859 | return rc; |
| 1860 | } |
| 1861 | |
| 1862 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_hdr_proc_ctx_size), |
| 1863 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst)); |
| 1864 | if (rc) { |
| 1865 | IPAERR("failed to initialize Modem proc ctx RAM memory\n"); |
| 1866 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1867 | return rc; |
| 1868 | } |
| 1869 | |
| 1870 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_comp_decomp_size), |
| 1871 | IPA_MEM_PART(modem_comp_decomp_ofst)); |
| 1872 | if (rc) { |
| 1873 | IPAERR("failed to initialize Modem Comp/Decomp RAM memory\n"); |
| 1874 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1875 | return rc; |
| 1876 | } |
| 1877 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1878 | |
| 1879 | return rc; |
| 1880 | } |
| 1881 | |
| 1882 | static void ipa3_destroy_imm(void *user1, int user2) |
| 1883 | { |
| 1884 | ipahal_destroy_imm_cmd(user1); |
| 1885 | } |
| 1886 | |
| 1887 | static void ipa3_q6_pipe_delay(bool delay) |
| 1888 | { |
| 1889 | int client_idx; |
| 1890 | int ep_idx; |
| 1891 | struct ipa_ep_cfg_ctrl ep_ctrl; |
| 1892 | |
| 1893 | memset(&ep_ctrl, 0, sizeof(struct ipa_ep_cfg_ctrl)); |
| 1894 | ep_ctrl.ipa_ep_delay = delay; |
| 1895 | |
| 1896 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 1897 | if (IPA_CLIENT_IS_Q6_PROD(client_idx)) { |
| 1898 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 1899 | if (ep_idx == -1) |
| 1900 | continue; |
| 1901 | |
| 1902 | ipahal_write_reg_n_fields(IPA_ENDP_INIT_CTRL_n, |
| 1903 | ep_idx, &ep_ctrl); |
| 1904 | } |
| 1905 | } |
| 1906 | } |
| 1907 | |
| 1908 | static void ipa3_q6_avoid_holb(void) |
| 1909 | { |
| 1910 | int ep_idx; |
| 1911 | int client_idx; |
| 1912 | struct ipa_ep_cfg_ctrl ep_suspend; |
| 1913 | struct ipa_ep_cfg_holb ep_holb; |
| 1914 | |
| 1915 | memset(&ep_suspend, 0, sizeof(ep_suspend)); |
| 1916 | memset(&ep_holb, 0, sizeof(ep_holb)); |
| 1917 | |
| 1918 | ep_suspend.ipa_ep_suspend = true; |
| 1919 | ep_holb.tmr_val = 0; |
| 1920 | ep_holb.en = 1; |
| 1921 | |
| 1922 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 1923 | if (IPA_CLIENT_IS_Q6_CONS(client_idx)) { |
| 1924 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 1925 | if (ep_idx == -1) |
| 1926 | continue; |
| 1927 | |
| 1928 | /* |
| 1929 | * ipa3_cfg_ep_holb is not used here because we are |
| 1930 | * setting HOLB on Q6 pipes, and from APPS perspective |
| 1931 | * they are not valid, therefore, the above function |
| 1932 | * will fail. |
| 1933 | */ |
| 1934 | ipahal_write_reg_n_fields( |
| 1935 | IPA_ENDP_INIT_HOL_BLOCK_TIMER_n, |
| 1936 | ep_idx, &ep_holb); |
| 1937 | ipahal_write_reg_n_fields( |
| 1938 | IPA_ENDP_INIT_HOL_BLOCK_EN_n, |
| 1939 | ep_idx, &ep_holb); |
| 1940 | |
Skylar Chang | a699afd | 2017-06-06 10:06:21 -0700 | [diff] [blame] | 1941 | /* from IPA 4.0 pipe suspend is not supported */ |
| 1942 | if (ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) |
| 1943 | ipahal_write_reg_n_fields( |
| 1944 | IPA_ENDP_INIT_CTRL_n, |
| 1945 | ep_idx, &ep_suspend); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1946 | } |
| 1947 | } |
| 1948 | } |
| 1949 | |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 1950 | static void ipa3_halt_q6_cons_gsi_channels(void) |
| 1951 | { |
| 1952 | int ep_idx; |
| 1953 | int client_idx; |
| 1954 | const struct ipa_gsi_ep_config *gsi_ep_cfg; |
| 1955 | int ret; |
| 1956 | int code = 0; |
| 1957 | |
| 1958 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 1959 | if (IPA_CLIENT_IS_Q6_CONS(client_idx)) { |
| 1960 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 1961 | if (ep_idx == -1) |
| 1962 | continue; |
| 1963 | |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 1964 | gsi_ep_cfg = ipa3_get_gsi_ep_info(client_idx); |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 1965 | if (!gsi_ep_cfg) { |
| 1966 | IPAERR("failed to get GSI config\n"); |
| 1967 | ipa_assert(); |
| 1968 | return; |
| 1969 | } |
| 1970 | |
| 1971 | ret = gsi_halt_channel_ee( |
| 1972 | gsi_ep_cfg->ipa_gsi_chan_num, gsi_ep_cfg->ee, |
| 1973 | &code); |
| 1974 | if (ret == GSI_STATUS_SUCCESS) |
| 1975 | IPADBG("halted gsi ch %d ee %d with code %d\n", |
| 1976 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 1977 | gsi_ep_cfg->ee, |
| 1978 | code); |
| 1979 | else |
| 1980 | IPAERR("failed to halt ch %d ee %d code %d\n", |
| 1981 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 1982 | gsi_ep_cfg->ee, |
| 1983 | code); |
| 1984 | } |
| 1985 | } |
| 1986 | } |
| 1987 | |
| 1988 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1989 | static int ipa3_q6_clean_q6_flt_tbls(enum ipa_ip_type ip, |
| 1990 | enum ipa_rule_type rlt) |
| 1991 | { |
| 1992 | struct ipa3_desc *desc; |
| 1993 | struct ipahal_imm_cmd_dma_shared_mem cmd = {0}; |
| 1994 | struct ipahal_imm_cmd_pyld **cmd_pyld; |
| 1995 | int retval = 0; |
| 1996 | int pipe_idx; |
| 1997 | int flt_idx = 0; |
| 1998 | int num_cmds = 0; |
| 1999 | int index; |
| 2000 | u32 lcl_addr_mem_part; |
| 2001 | u32 lcl_hdr_sz; |
| 2002 | struct ipa_mem_buffer mem; |
| 2003 | |
| 2004 | IPADBG("Entry\n"); |
| 2005 | |
| 2006 | if ((ip >= IPA_IP_MAX) || (rlt >= IPA_RULE_TYPE_MAX)) { |
| 2007 | IPAERR("Input Err: ip=%d ; rlt=%d\n", ip, rlt); |
| 2008 | return -EINVAL; |
| 2009 | } |
| 2010 | |
| 2011 | /* Up to filtering pipes we have filtering tables */ |
| 2012 | desc = kcalloc(ipa3_ctx->ep_flt_num, sizeof(struct ipa3_desc), |
| 2013 | GFP_KERNEL); |
| 2014 | if (!desc) { |
| 2015 | IPAERR("failed to allocate memory\n"); |
| 2016 | return -ENOMEM; |
| 2017 | } |
| 2018 | |
| 2019 | cmd_pyld = kcalloc(ipa3_ctx->ep_flt_num, |
| 2020 | sizeof(struct ipahal_imm_cmd_pyld *), GFP_KERNEL); |
| 2021 | if (!cmd_pyld) { |
| 2022 | IPAERR("failed to allocate memory\n"); |
| 2023 | retval = -ENOMEM; |
| 2024 | goto free_desc; |
| 2025 | } |
| 2026 | |
| 2027 | if (ip == IPA_IP_v4) { |
| 2028 | if (rlt == IPA_RULE_HASHABLE) { |
| 2029 | lcl_addr_mem_part = IPA_MEM_PART(v4_flt_hash_ofst); |
| 2030 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_hash_size); |
| 2031 | } else { |
| 2032 | lcl_addr_mem_part = IPA_MEM_PART(v4_flt_nhash_ofst); |
| 2033 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_nhash_size); |
| 2034 | } |
| 2035 | } else { |
| 2036 | if (rlt == IPA_RULE_HASHABLE) { |
| 2037 | lcl_addr_mem_part = IPA_MEM_PART(v6_flt_hash_ofst); |
| 2038 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_hash_size); |
| 2039 | } else { |
| 2040 | lcl_addr_mem_part = IPA_MEM_PART(v6_flt_nhash_ofst); |
| 2041 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_nhash_size); |
| 2042 | } |
| 2043 | } |
| 2044 | |
| 2045 | 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] | 2046 | 0, &mem, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2047 | if (retval) { |
| 2048 | IPAERR("failed to generate flt single tbl empty img\n"); |
| 2049 | goto free_cmd_pyld; |
| 2050 | } |
| 2051 | |
| 2052 | for (pipe_idx = 0; pipe_idx < ipa3_ctx->ipa_num_pipes; pipe_idx++) { |
| 2053 | if (!ipa_is_ep_support_flt(pipe_idx)) |
| 2054 | continue; |
| 2055 | |
| 2056 | /* |
| 2057 | * Iterating over all the filtering pipes which are either |
| 2058 | * invalid but connected or connected but not configured by AP. |
| 2059 | */ |
| 2060 | if (!ipa3_ctx->ep[pipe_idx].valid || |
| 2061 | ipa3_ctx->ep[pipe_idx].skip_ep_cfg) { |
| 2062 | |
| 2063 | cmd.is_read = false; |
| 2064 | cmd.skip_pipeline_clear = false; |
| 2065 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2066 | cmd.size = mem.size; |
| 2067 | cmd.system_addr = mem.phys_base; |
| 2068 | cmd.local_addr = |
| 2069 | ipa3_ctx->smem_restricted_bytes + |
| 2070 | lcl_addr_mem_part + |
| 2071 | ipahal_get_hw_tbl_hdr_width() + |
| 2072 | flt_idx * ipahal_get_hw_tbl_hdr_width(); |
| 2073 | cmd_pyld[num_cmds] = ipahal_construct_imm_cmd( |
| 2074 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 2075 | if (!cmd_pyld[num_cmds]) { |
| 2076 | IPAERR("fail construct dma_shared_mem cmd\n"); |
| 2077 | retval = -ENOMEM; |
| 2078 | goto free_empty_img; |
| 2079 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2080 | desc[num_cmds].opcode = cmd_pyld[num_cmds]->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2081 | desc[num_cmds].pyld = cmd_pyld[num_cmds]->data; |
| 2082 | desc[num_cmds].len = cmd_pyld[num_cmds]->len; |
| 2083 | desc[num_cmds].type = IPA_IMM_CMD_DESC; |
| 2084 | num_cmds++; |
| 2085 | } |
| 2086 | |
| 2087 | flt_idx++; |
| 2088 | } |
| 2089 | |
| 2090 | IPADBG("Sending %d descriptors for flt tbl clearing\n", num_cmds); |
| 2091 | retval = ipa3_send_cmd(num_cmds, desc); |
| 2092 | if (retval) { |
| 2093 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2094 | retval = -EFAULT; |
| 2095 | } |
| 2096 | |
| 2097 | free_empty_img: |
| 2098 | ipahal_free_dma_mem(&mem); |
| 2099 | free_cmd_pyld: |
| 2100 | for (index = 0; index < num_cmds; index++) |
| 2101 | ipahal_destroy_imm_cmd(cmd_pyld[index]); |
| 2102 | kfree(cmd_pyld); |
| 2103 | free_desc: |
| 2104 | kfree(desc); |
| 2105 | return retval; |
| 2106 | } |
| 2107 | |
| 2108 | static int ipa3_q6_clean_q6_rt_tbls(enum ipa_ip_type ip, |
| 2109 | enum ipa_rule_type rlt) |
| 2110 | { |
| 2111 | struct ipa3_desc *desc; |
| 2112 | struct ipahal_imm_cmd_dma_shared_mem cmd = {0}; |
| 2113 | struct ipahal_imm_cmd_pyld *cmd_pyld = NULL; |
| 2114 | int retval = 0; |
| 2115 | u32 modem_rt_index_lo; |
| 2116 | u32 modem_rt_index_hi; |
| 2117 | u32 lcl_addr_mem_part; |
| 2118 | u32 lcl_hdr_sz; |
| 2119 | struct ipa_mem_buffer mem; |
| 2120 | |
| 2121 | IPADBG("Entry\n"); |
| 2122 | |
| 2123 | if ((ip >= IPA_IP_MAX) || (rlt >= IPA_RULE_TYPE_MAX)) { |
| 2124 | IPAERR("Input Err: ip=%d ; rlt=%d\n", ip, rlt); |
| 2125 | return -EINVAL; |
| 2126 | } |
| 2127 | |
| 2128 | if (ip == IPA_IP_v4) { |
| 2129 | modem_rt_index_lo = IPA_MEM_PART(v4_modem_rt_index_lo); |
| 2130 | modem_rt_index_hi = IPA_MEM_PART(v4_modem_rt_index_hi); |
| 2131 | if (rlt == IPA_RULE_HASHABLE) { |
| 2132 | lcl_addr_mem_part = IPA_MEM_PART(v4_rt_hash_ofst); |
| 2133 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_hash_size); |
| 2134 | } else { |
| 2135 | lcl_addr_mem_part = IPA_MEM_PART(v4_rt_nhash_ofst); |
| 2136 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_nhash_size); |
| 2137 | } |
| 2138 | } else { |
| 2139 | modem_rt_index_lo = IPA_MEM_PART(v6_modem_rt_index_lo); |
| 2140 | modem_rt_index_hi = IPA_MEM_PART(v6_modem_rt_index_hi); |
| 2141 | if (rlt == IPA_RULE_HASHABLE) { |
| 2142 | lcl_addr_mem_part = IPA_MEM_PART(v6_rt_hash_ofst); |
| 2143 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_hash_size); |
| 2144 | } else { |
| 2145 | lcl_addr_mem_part = IPA_MEM_PART(v6_rt_nhash_ofst); |
| 2146 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_nhash_size); |
| 2147 | } |
| 2148 | } |
| 2149 | |
| 2150 | retval = ipahal_rt_generate_empty_img( |
| 2151 | modem_rt_index_hi - modem_rt_index_lo + 1, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 2152 | lcl_hdr_sz, lcl_hdr_sz, &mem, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2153 | if (retval) { |
| 2154 | IPAERR("fail generate empty rt img\n"); |
| 2155 | return -ENOMEM; |
| 2156 | } |
| 2157 | |
| 2158 | desc = kzalloc(sizeof(struct ipa3_desc), GFP_KERNEL); |
| 2159 | if (!desc) { |
| 2160 | IPAERR("failed to allocate memory\n"); |
| 2161 | goto free_empty_img; |
| 2162 | } |
| 2163 | |
| 2164 | cmd.is_read = false; |
| 2165 | cmd.skip_pipeline_clear = false; |
| 2166 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2167 | cmd.size = mem.size; |
| 2168 | cmd.system_addr = mem.phys_base; |
| 2169 | cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2170 | lcl_addr_mem_part + |
| 2171 | modem_rt_index_lo * ipahal_get_hw_tbl_hdr_width(); |
| 2172 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2173 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 2174 | if (!cmd_pyld) { |
| 2175 | IPAERR("failed to construct dma_shared_mem imm cmd\n"); |
| 2176 | retval = -ENOMEM; |
| 2177 | goto free_desc; |
| 2178 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2179 | desc->opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2180 | desc->pyld = cmd_pyld->data; |
| 2181 | desc->len = cmd_pyld->len; |
| 2182 | desc->type = IPA_IMM_CMD_DESC; |
| 2183 | |
| 2184 | IPADBG("Sending 1 descriptor for rt tbl clearing\n"); |
| 2185 | retval = ipa3_send_cmd(1, desc); |
| 2186 | if (retval) { |
| 2187 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2188 | retval = -EFAULT; |
| 2189 | } |
| 2190 | |
| 2191 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2192 | free_desc: |
| 2193 | kfree(desc); |
| 2194 | free_empty_img: |
| 2195 | ipahal_free_dma_mem(&mem); |
| 2196 | return retval; |
| 2197 | } |
| 2198 | |
| 2199 | static int ipa3_q6_clean_q6_tables(void) |
| 2200 | { |
| 2201 | struct ipa3_desc *desc; |
| 2202 | struct ipahal_imm_cmd_pyld *cmd_pyld = NULL; |
| 2203 | struct ipahal_imm_cmd_register_write reg_write_cmd = {0}; |
| 2204 | int retval; |
| 2205 | struct ipahal_reg_fltrt_hash_flush flush; |
| 2206 | struct ipahal_reg_valmask valmask; |
| 2207 | |
| 2208 | IPADBG("Entry\n"); |
| 2209 | |
| 2210 | |
| 2211 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v4, IPA_RULE_HASHABLE)) { |
| 2212 | IPAERR("failed to clean q6 flt tbls (v4/hashable)\n"); |
| 2213 | return -EFAULT; |
| 2214 | } |
| 2215 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v6, IPA_RULE_HASHABLE)) { |
| 2216 | IPAERR("failed to clean q6 flt tbls (v6/hashable)\n"); |
| 2217 | return -EFAULT; |
| 2218 | } |
| 2219 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v4, IPA_RULE_NON_HASHABLE)) { |
| 2220 | IPAERR("failed to clean q6 flt tbls (v4/non-hashable)\n"); |
| 2221 | return -EFAULT; |
| 2222 | } |
| 2223 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v6, IPA_RULE_NON_HASHABLE)) { |
| 2224 | IPAERR("failed to clean q6 flt tbls (v6/non-hashable)\n"); |
| 2225 | return -EFAULT; |
| 2226 | } |
| 2227 | |
| 2228 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v4, IPA_RULE_HASHABLE)) { |
| 2229 | IPAERR("failed to clean q6 rt tbls (v4/hashable)\n"); |
| 2230 | return -EFAULT; |
| 2231 | } |
| 2232 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v6, IPA_RULE_HASHABLE)) { |
| 2233 | IPAERR("failed to clean q6 rt tbls (v6/hashable)\n"); |
| 2234 | return -EFAULT; |
| 2235 | } |
| 2236 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v4, IPA_RULE_NON_HASHABLE)) { |
| 2237 | IPAERR("failed to clean q6 rt tbls (v4/non-hashable)\n"); |
| 2238 | return -EFAULT; |
| 2239 | } |
| 2240 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v6, IPA_RULE_NON_HASHABLE)) { |
| 2241 | IPAERR("failed to clean q6 rt tbls (v6/non-hashable)\n"); |
| 2242 | return -EFAULT; |
| 2243 | } |
| 2244 | |
| 2245 | /* Flush rules cache */ |
| 2246 | desc = kzalloc(sizeof(struct ipa3_desc), GFP_KERNEL); |
| 2247 | if (!desc) { |
| 2248 | IPAERR("failed to allocate memory\n"); |
| 2249 | return -ENOMEM; |
| 2250 | } |
| 2251 | |
| 2252 | flush.v4_flt = true; |
| 2253 | flush.v4_rt = true; |
| 2254 | flush.v6_flt = true; |
| 2255 | flush.v6_rt = true; |
| 2256 | ipahal_get_fltrt_hash_flush_valmask(&flush, &valmask); |
| 2257 | reg_write_cmd.skip_pipeline_clear = false; |
| 2258 | reg_write_cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2259 | reg_write_cmd.offset = ipahal_get_reg_ofst(IPA_FILT_ROUT_HASH_FLUSH); |
| 2260 | reg_write_cmd.value = valmask.val; |
| 2261 | reg_write_cmd.value_mask = valmask.mask; |
| 2262 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_REGISTER_WRITE, |
| 2263 | ®_write_cmd, false); |
| 2264 | if (!cmd_pyld) { |
| 2265 | IPAERR("fail construct register_write imm cmd\n"); |
| 2266 | retval = -EFAULT; |
| 2267 | goto bail_desc; |
| 2268 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2269 | desc->opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2270 | desc->pyld = cmd_pyld->data; |
| 2271 | desc->len = cmd_pyld->len; |
| 2272 | desc->type = IPA_IMM_CMD_DESC; |
| 2273 | |
| 2274 | IPADBG("Sending 1 descriptor for tbls flush\n"); |
| 2275 | retval = ipa3_send_cmd(1, desc); |
| 2276 | if (retval) { |
| 2277 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2278 | retval = -EFAULT; |
| 2279 | } |
| 2280 | |
| 2281 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2282 | |
| 2283 | bail_desc: |
| 2284 | kfree(desc); |
| 2285 | IPADBG("Done - retval = %d\n", retval); |
| 2286 | return retval; |
| 2287 | } |
| 2288 | |
| 2289 | static int ipa3_q6_set_ex_path_to_apps(void) |
| 2290 | { |
| 2291 | int ep_idx; |
| 2292 | int client_idx; |
| 2293 | struct ipa3_desc *desc; |
| 2294 | int num_descs = 0; |
| 2295 | int index; |
| 2296 | struct ipahal_imm_cmd_register_write reg_write; |
| 2297 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2298 | int retval; |
| 2299 | struct ipahal_reg_valmask valmask; |
| 2300 | |
| 2301 | desc = kcalloc(ipa3_ctx->ipa_num_pipes, sizeof(struct ipa3_desc), |
| 2302 | GFP_KERNEL); |
| 2303 | if (!desc) { |
| 2304 | IPAERR("failed to allocate memory\n"); |
| 2305 | return -ENOMEM; |
| 2306 | } |
| 2307 | |
| 2308 | /* Set the exception path to AP */ |
| 2309 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 2310 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2311 | if (ep_idx == -1) |
| 2312 | continue; |
| 2313 | |
| 2314 | if (ipa3_ctx->ep[ep_idx].valid && |
| 2315 | ipa3_ctx->ep[ep_idx].skip_ep_cfg) { |
| 2316 | BUG_ON(num_descs >= ipa3_ctx->ipa_num_pipes); |
| 2317 | |
| 2318 | reg_write.skip_pipeline_clear = false; |
| 2319 | reg_write.pipeline_clear_options = |
| 2320 | IPAHAL_HPS_CLEAR; |
| 2321 | reg_write.offset = |
Amir Levy | 8c19dd4 | 2017-04-02 18:21:09 +0300 | [diff] [blame] | 2322 | ipahal_get_reg_n_ofst(IPA_ENDP_STATUS_n, |
| 2323 | ep_idx); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2324 | ipahal_get_status_ep_valmask( |
| 2325 | ipa3_get_ep_mapping(IPA_CLIENT_APPS_LAN_CONS), |
| 2326 | &valmask); |
| 2327 | reg_write.value = valmask.val; |
| 2328 | reg_write.value_mask = valmask.mask; |
| 2329 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2330 | IPA_IMM_CMD_REGISTER_WRITE, ®_write, false); |
| 2331 | if (!cmd_pyld) { |
| 2332 | IPAERR("fail construct register_write cmd\n"); |
| 2333 | BUG(); |
| 2334 | } |
| 2335 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2336 | desc[num_descs].opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2337 | desc[num_descs].type = IPA_IMM_CMD_DESC; |
| 2338 | desc[num_descs].callback = ipa3_destroy_imm; |
| 2339 | desc[num_descs].user1 = cmd_pyld; |
| 2340 | desc[num_descs].pyld = cmd_pyld->data; |
| 2341 | desc[num_descs].len = cmd_pyld->len; |
| 2342 | num_descs++; |
| 2343 | } |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2344 | |
| 2345 | /* disable statuses for modem producers */ |
| 2346 | if (IPA_CLIENT_IS_Q6_PROD(client_idx)) { |
| 2347 | ipa_assert_on(num_descs >= ipa3_ctx->ipa_num_pipes); |
| 2348 | |
| 2349 | reg_write.skip_pipeline_clear = false; |
| 2350 | reg_write.pipeline_clear_options = |
| 2351 | IPAHAL_HPS_CLEAR; |
| 2352 | reg_write.offset = |
| 2353 | ipahal_get_reg_n_ofst(IPA_ENDP_STATUS_n, |
| 2354 | ep_idx); |
| 2355 | reg_write.value = 0; |
| 2356 | reg_write.value_mask = ~0; |
| 2357 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2358 | IPA_IMM_CMD_REGISTER_WRITE, ®_write, false); |
| 2359 | if (!cmd_pyld) { |
| 2360 | IPAERR("fail construct register_write cmd\n"); |
| 2361 | ipa_assert(); |
| 2362 | return -EFAULT; |
| 2363 | } |
| 2364 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2365 | desc[num_descs].opcode = cmd_pyld->opcode; |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2366 | desc[num_descs].type = IPA_IMM_CMD_DESC; |
| 2367 | desc[num_descs].callback = ipa3_destroy_imm; |
| 2368 | desc[num_descs].user1 = cmd_pyld; |
| 2369 | desc[num_descs].pyld = cmd_pyld->data; |
| 2370 | desc[num_descs].len = cmd_pyld->len; |
| 2371 | num_descs++; |
| 2372 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2373 | } |
| 2374 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 2375 | /* Will wait 500msecs for IPA tag process completion */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2376 | retval = ipa3_tag_process(desc, num_descs, |
| 2377 | msecs_to_jiffies(CLEANUP_TAG_PROCESS_TIMEOUT)); |
| 2378 | if (retval) { |
| 2379 | IPAERR("TAG process failed! (error %d)\n", retval); |
| 2380 | /* For timeout error ipa3_destroy_imm cb will destroy user1 */ |
| 2381 | if (retval != -ETIME) { |
| 2382 | for (index = 0; index < num_descs; index++) |
| 2383 | if (desc[index].callback) |
| 2384 | desc[index].callback(desc[index].user1, |
| 2385 | desc[index].user2); |
| 2386 | retval = -EINVAL; |
| 2387 | } |
| 2388 | } |
| 2389 | |
| 2390 | kfree(desc); |
| 2391 | |
| 2392 | return retval; |
| 2393 | } |
| 2394 | |
| 2395 | /** |
| 2396 | * ipa3_q6_pre_shutdown_cleanup() - A cleanup for all Q6 related configuration |
| 2397 | * in IPA HW. This is performed in case of SSR. |
| 2398 | * |
| 2399 | * This is a mandatory procedure, in case one of the steps fails, the |
| 2400 | * AP needs to restart. |
| 2401 | */ |
| 2402 | void ipa3_q6_pre_shutdown_cleanup(void) |
| 2403 | { |
| 2404 | IPADBG_LOW("ENTER\n"); |
| 2405 | |
| 2406 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2407 | |
| 2408 | ipa3_q6_pipe_delay(true); |
| 2409 | ipa3_q6_avoid_holb(); |
| 2410 | if (ipa3_q6_clean_q6_tables()) { |
| 2411 | IPAERR("Failed to clean Q6 tables\n"); |
| 2412 | BUG(); |
| 2413 | } |
| 2414 | if (ipa3_q6_set_ex_path_to_apps()) { |
| 2415 | IPAERR("Failed to redirect exceptions to APPS\n"); |
| 2416 | BUG(); |
| 2417 | } |
| 2418 | /* Remove delay from Q6 PRODs to avoid pending descriptors |
| 2419 | * on pipe reset procedure |
| 2420 | */ |
| 2421 | ipa3_q6_pipe_delay(false); |
| 2422 | |
| 2423 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2424 | IPADBG_LOW("Exit with success\n"); |
| 2425 | } |
| 2426 | |
| 2427 | /* |
| 2428 | * ipa3_q6_post_shutdown_cleanup() - As part of this cleanup |
| 2429 | * check if GSI channel related to Q6 producer client is empty. |
| 2430 | * |
| 2431 | * Q6 GSI channel emptiness is needed to garantee no descriptors with invalid |
| 2432 | * info are injected into IPA RX from IPA_IF, while modem is restarting. |
| 2433 | */ |
| 2434 | void ipa3_q6_post_shutdown_cleanup(void) |
| 2435 | { |
| 2436 | int client_idx; |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2437 | int ep_idx; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2438 | |
| 2439 | IPADBG_LOW("ENTER\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2440 | |
| 2441 | if (!ipa3_ctx->uc_ctx.uc_loaded) { |
| 2442 | IPAERR("uC is not loaded. Skipping\n"); |
| 2443 | return; |
| 2444 | } |
| 2445 | |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2446 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2447 | |
| 2448 | /* Handle the issue where SUSPEND was removed for some reason */ |
| 2449 | ipa3_q6_avoid_holb(); |
| 2450 | ipa3_halt_q6_cons_gsi_channels(); |
| 2451 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2452 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) |
| 2453 | if (IPA_CLIENT_IS_Q6_PROD(client_idx)) { |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2454 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2455 | if (ep_idx == -1) |
| 2456 | continue; |
| 2457 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2458 | if (ipa3_uc_is_gsi_channel_empty(client_idx)) { |
| 2459 | IPAERR("fail to validate Q6 ch emptiness %d\n", |
| 2460 | client_idx); |
| 2461 | BUG(); |
| 2462 | return; |
| 2463 | } |
| 2464 | } |
| 2465 | |
| 2466 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2467 | IPADBG_LOW("Exit with success\n"); |
| 2468 | } |
| 2469 | |
| 2470 | static inline void ipa3_sram_set_canary(u32 *sram_mmio, int offset) |
| 2471 | { |
| 2472 | /* Set 4 bytes of CANARY before the offset */ |
| 2473 | sram_mmio[(offset - 4) / 4] = IPA_MEM_CANARY_VAL; |
| 2474 | } |
| 2475 | |
| 2476 | /** |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2477 | * _ipa_init_sram_v3() - Initialize IPA local SRAM. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2478 | * |
| 2479 | * Return codes: 0 for success, negative value for failure |
| 2480 | */ |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2481 | int _ipa_init_sram_v3(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2482 | { |
| 2483 | u32 *ipa_sram_mmio; |
| 2484 | unsigned long phys_addr; |
| 2485 | |
| 2486 | phys_addr = ipa3_ctx->ipa_wrapper_base + |
| 2487 | ipa3_ctx->ctrl->ipa_reg_base_ofst + |
| 2488 | ipahal_get_reg_n_ofst(IPA_SRAM_DIRECT_ACCESS_n, |
| 2489 | ipa3_ctx->smem_restricted_bytes / 4); |
| 2490 | |
| 2491 | ipa_sram_mmio = ioremap(phys_addr, ipa3_ctx->smem_sz); |
| 2492 | if (!ipa_sram_mmio) { |
| 2493 | IPAERR("fail to ioremap IPA SRAM\n"); |
| 2494 | return -ENOMEM; |
| 2495 | } |
| 2496 | |
| 2497 | /* Consult with ipa_i.h on the location of the CANARY values */ |
| 2498 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_hash_ofst) - 4); |
| 2499 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_hash_ofst)); |
| 2500 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2501 | IPA_MEM_PART(v4_flt_nhash_ofst) - 4); |
| 2502 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_nhash_ofst)); |
| 2503 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_hash_ofst) - 4); |
| 2504 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_hash_ofst)); |
| 2505 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2506 | IPA_MEM_PART(v6_flt_nhash_ofst) - 4); |
| 2507 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_nhash_ofst)); |
| 2508 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_hash_ofst) - 4); |
| 2509 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_hash_ofst)); |
| 2510 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_nhash_ofst) - 4); |
| 2511 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_nhash_ofst)); |
| 2512 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_hash_ofst) - 4); |
| 2513 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_hash_ofst)); |
| 2514 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_nhash_ofst) - 4); |
| 2515 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_nhash_ofst)); |
| 2516 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_hdr_ofst) - 4); |
| 2517 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_hdr_ofst)); |
| 2518 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2519 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst) - 4); |
| 2520 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2521 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst)); |
| 2522 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_ofst) - 4); |
| 2523 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_ofst)); |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2524 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2525 | (ipa_get_hw_type() >= IPA_HW_v3_5) ? |
| 2526 | IPA_MEM_PART(uc_event_ring_ofst) : |
| 2527 | IPA_MEM_PART(end_ofst)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2528 | |
| 2529 | iounmap(ipa_sram_mmio); |
| 2530 | |
| 2531 | return 0; |
| 2532 | } |
| 2533 | |
| 2534 | /** |
| 2535 | * _ipa_init_hdr_v3_0() - Initialize IPA header block. |
| 2536 | * |
| 2537 | * Return codes: 0 for success, negative value for failure |
| 2538 | */ |
| 2539 | int _ipa_init_hdr_v3_0(void) |
| 2540 | { |
| 2541 | struct ipa3_desc desc = { 0 }; |
| 2542 | struct ipa_mem_buffer mem; |
| 2543 | struct ipahal_imm_cmd_hdr_init_local cmd = {0}; |
| 2544 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2545 | struct ipahal_imm_cmd_dma_shared_mem dma_cmd = { 0 }; |
| 2546 | |
| 2547 | mem.size = IPA_MEM_PART(modem_hdr_size) + IPA_MEM_PART(apps_hdr_size); |
| 2548 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, &mem.phys_base, |
| 2549 | GFP_KERNEL); |
| 2550 | if (!mem.base) { |
| 2551 | IPAERR("fail to alloc DMA buff of size %d\n", mem.size); |
| 2552 | return -ENOMEM; |
| 2553 | } |
| 2554 | memset(mem.base, 0, mem.size); |
| 2555 | |
| 2556 | cmd.hdr_table_addr = mem.phys_base; |
| 2557 | cmd.size_hdr_table = mem.size; |
| 2558 | cmd.hdr_addr = ipa3_ctx->smem_restricted_bytes + |
| 2559 | IPA_MEM_PART(modem_hdr_ofst); |
| 2560 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2561 | IPA_IMM_CMD_HDR_INIT_LOCAL, &cmd, false); |
| 2562 | if (!cmd_pyld) { |
| 2563 | IPAERR("fail to construct hdr_init_local imm cmd\n"); |
| 2564 | dma_free_coherent(ipa3_ctx->pdev, |
| 2565 | mem.size, mem.base, |
| 2566 | mem.phys_base); |
| 2567 | return -EFAULT; |
| 2568 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2569 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2570 | desc.type = IPA_IMM_CMD_DESC; |
| 2571 | desc.pyld = cmd_pyld->data; |
| 2572 | desc.len = cmd_pyld->len; |
| 2573 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2574 | |
| 2575 | if (ipa3_send_cmd(1, &desc)) { |
| 2576 | IPAERR("fail to send immediate command\n"); |
| 2577 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2578 | dma_free_coherent(ipa3_ctx->pdev, |
| 2579 | mem.size, mem.base, |
| 2580 | mem.phys_base); |
| 2581 | return -EFAULT; |
| 2582 | } |
| 2583 | |
| 2584 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2585 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, mem.phys_base); |
| 2586 | |
| 2587 | mem.size = IPA_MEM_PART(modem_hdr_proc_ctx_size) + |
| 2588 | IPA_MEM_PART(apps_hdr_proc_ctx_size); |
| 2589 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, &mem.phys_base, |
| 2590 | GFP_KERNEL); |
| 2591 | if (!mem.base) { |
| 2592 | IPAERR("fail to alloc DMA buff of size %d\n", mem.size); |
| 2593 | return -ENOMEM; |
| 2594 | } |
| 2595 | memset(mem.base, 0, mem.size); |
| 2596 | memset(&desc, 0, sizeof(desc)); |
| 2597 | |
| 2598 | dma_cmd.is_read = false; |
| 2599 | dma_cmd.skip_pipeline_clear = false; |
| 2600 | dma_cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2601 | dma_cmd.system_addr = mem.phys_base; |
| 2602 | dma_cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2603 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst); |
| 2604 | dma_cmd.size = mem.size; |
| 2605 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2606 | IPA_IMM_CMD_DMA_SHARED_MEM, &dma_cmd, false); |
| 2607 | if (!cmd_pyld) { |
| 2608 | IPAERR("fail to construct dma_shared_mem imm\n"); |
| 2609 | dma_free_coherent(ipa3_ctx->pdev, |
| 2610 | mem.size, mem.base, |
| 2611 | mem.phys_base); |
| 2612 | return -EFAULT; |
| 2613 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2614 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2615 | desc.pyld = cmd_pyld->data; |
| 2616 | desc.len = cmd_pyld->len; |
| 2617 | desc.type = IPA_IMM_CMD_DESC; |
| 2618 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2619 | |
| 2620 | if (ipa3_send_cmd(1, &desc)) { |
| 2621 | IPAERR("fail to send immediate command\n"); |
| 2622 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2623 | dma_free_coherent(ipa3_ctx->pdev, |
| 2624 | mem.size, |
| 2625 | mem.base, |
| 2626 | mem.phys_base); |
| 2627 | return -EFAULT; |
| 2628 | } |
| 2629 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2630 | |
| 2631 | ipahal_write_reg(IPA_LOCAL_PKT_PROC_CNTXT_BASE, dma_cmd.local_addr); |
| 2632 | |
| 2633 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, mem.phys_base); |
| 2634 | |
| 2635 | return 0; |
| 2636 | } |
| 2637 | |
| 2638 | /** |
| 2639 | * _ipa_init_rt4_v3() - Initialize IPA routing block for IPv4. |
| 2640 | * |
| 2641 | * Return codes: 0 for success, negative value for failure |
| 2642 | */ |
| 2643 | int _ipa_init_rt4_v3(void) |
| 2644 | { |
| 2645 | struct ipa3_desc desc = { 0 }; |
| 2646 | struct ipa_mem_buffer mem; |
| 2647 | struct ipahal_imm_cmd_ip_v4_routing_init v4_cmd; |
| 2648 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2649 | int i; |
| 2650 | int rc = 0; |
| 2651 | |
| 2652 | for (i = IPA_MEM_PART(v4_modem_rt_index_lo); |
| 2653 | i <= IPA_MEM_PART(v4_modem_rt_index_hi); |
| 2654 | i++) |
| 2655 | ipa3_ctx->rt_idx_bitmap[IPA_IP_v4] |= (1 << i); |
| 2656 | IPADBG("v4 rt bitmap 0x%lx\n", ipa3_ctx->rt_idx_bitmap[IPA_IP_v4]); |
| 2657 | |
| 2658 | rc = ipahal_rt_generate_empty_img(IPA_MEM_PART(v4_rt_num_index), |
| 2659 | 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] | 2660 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2661 | if (rc) { |
| 2662 | IPAERR("fail generate empty v4 rt img\n"); |
| 2663 | return rc; |
| 2664 | } |
| 2665 | |
| 2666 | v4_cmd.hash_rules_addr = mem.phys_base; |
| 2667 | v4_cmd.hash_rules_size = mem.size; |
| 2668 | v4_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2669 | IPA_MEM_PART(v4_rt_hash_ofst); |
| 2670 | v4_cmd.nhash_rules_addr = mem.phys_base; |
| 2671 | v4_cmd.nhash_rules_size = mem.size; |
| 2672 | v4_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2673 | IPA_MEM_PART(v4_rt_nhash_ofst); |
| 2674 | IPADBG("putting hashable routing IPv4 rules to phys 0x%x\n", |
| 2675 | v4_cmd.hash_local_addr); |
| 2676 | IPADBG("putting non-hashable routing IPv4 rules to phys 0x%x\n", |
| 2677 | v4_cmd.nhash_local_addr); |
| 2678 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2679 | IPA_IMM_CMD_IP_V4_ROUTING_INIT, &v4_cmd, false); |
| 2680 | if (!cmd_pyld) { |
| 2681 | IPAERR("fail construct ip_v4_rt_init imm cmd\n"); |
| 2682 | rc = -EPERM; |
| 2683 | goto free_mem; |
| 2684 | } |
| 2685 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2686 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2687 | desc.type = IPA_IMM_CMD_DESC; |
| 2688 | desc.pyld = cmd_pyld->data; |
| 2689 | desc.len = cmd_pyld->len; |
| 2690 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2691 | |
| 2692 | if (ipa3_send_cmd(1, &desc)) { |
| 2693 | IPAERR("fail to send immediate command\n"); |
| 2694 | rc = -EFAULT; |
| 2695 | } |
| 2696 | |
| 2697 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2698 | |
| 2699 | free_mem: |
| 2700 | ipahal_free_dma_mem(&mem); |
| 2701 | return rc; |
| 2702 | } |
| 2703 | |
| 2704 | /** |
| 2705 | * _ipa_init_rt6_v3() - Initialize IPA routing block for IPv6. |
| 2706 | * |
| 2707 | * Return codes: 0 for success, negative value for failure |
| 2708 | */ |
| 2709 | int _ipa_init_rt6_v3(void) |
| 2710 | { |
| 2711 | struct ipa3_desc desc = { 0 }; |
| 2712 | struct ipa_mem_buffer mem; |
| 2713 | struct ipahal_imm_cmd_ip_v6_routing_init v6_cmd; |
| 2714 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2715 | int i; |
| 2716 | int rc = 0; |
| 2717 | |
| 2718 | for (i = IPA_MEM_PART(v6_modem_rt_index_lo); |
| 2719 | i <= IPA_MEM_PART(v6_modem_rt_index_hi); |
| 2720 | i++) |
| 2721 | ipa3_ctx->rt_idx_bitmap[IPA_IP_v6] |= (1 << i); |
| 2722 | IPADBG("v6 rt bitmap 0x%lx\n", ipa3_ctx->rt_idx_bitmap[IPA_IP_v6]); |
| 2723 | |
| 2724 | rc = ipahal_rt_generate_empty_img(IPA_MEM_PART(v6_rt_num_index), |
| 2725 | 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] | 2726 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2727 | if (rc) { |
| 2728 | IPAERR("fail generate empty v6 rt img\n"); |
| 2729 | return rc; |
| 2730 | } |
| 2731 | |
| 2732 | v6_cmd.hash_rules_addr = mem.phys_base; |
| 2733 | v6_cmd.hash_rules_size = mem.size; |
| 2734 | v6_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2735 | IPA_MEM_PART(v6_rt_hash_ofst); |
| 2736 | v6_cmd.nhash_rules_addr = mem.phys_base; |
| 2737 | v6_cmd.nhash_rules_size = mem.size; |
| 2738 | v6_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2739 | IPA_MEM_PART(v6_rt_nhash_ofst); |
| 2740 | IPADBG("putting hashable routing IPv6 rules to phys 0x%x\n", |
| 2741 | v6_cmd.hash_local_addr); |
| 2742 | IPADBG("putting non-hashable routing IPv6 rules to phys 0x%x\n", |
| 2743 | v6_cmd.nhash_local_addr); |
| 2744 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2745 | IPA_IMM_CMD_IP_V6_ROUTING_INIT, &v6_cmd, false); |
| 2746 | if (!cmd_pyld) { |
| 2747 | IPAERR("fail construct ip_v6_rt_init imm cmd\n"); |
| 2748 | rc = -EPERM; |
| 2749 | goto free_mem; |
| 2750 | } |
| 2751 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2752 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2753 | desc.type = IPA_IMM_CMD_DESC; |
| 2754 | desc.pyld = cmd_pyld->data; |
| 2755 | desc.len = cmd_pyld->len; |
| 2756 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2757 | |
| 2758 | if (ipa3_send_cmd(1, &desc)) { |
| 2759 | IPAERR("fail to send immediate command\n"); |
| 2760 | rc = -EFAULT; |
| 2761 | } |
| 2762 | |
| 2763 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2764 | |
| 2765 | free_mem: |
| 2766 | ipahal_free_dma_mem(&mem); |
| 2767 | return rc; |
| 2768 | } |
| 2769 | |
| 2770 | /** |
| 2771 | * _ipa_init_flt4_v3() - Initialize IPA filtering block for IPv4. |
| 2772 | * |
| 2773 | * Return codes: 0 for success, negative value for failure |
| 2774 | */ |
| 2775 | int _ipa_init_flt4_v3(void) |
| 2776 | { |
| 2777 | struct ipa3_desc desc = { 0 }; |
| 2778 | struct ipa_mem_buffer mem; |
| 2779 | struct ipahal_imm_cmd_ip_v4_filter_init v4_cmd; |
| 2780 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2781 | int rc; |
| 2782 | |
| 2783 | rc = ipahal_flt_generate_empty_img(ipa3_ctx->ep_flt_num, |
| 2784 | IPA_MEM_PART(v4_flt_hash_size), |
| 2785 | IPA_MEM_PART(v4_flt_nhash_size), ipa3_ctx->ep_flt_bitmap, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 2786 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2787 | if (rc) { |
| 2788 | IPAERR("fail generate empty v4 flt img\n"); |
| 2789 | return rc; |
| 2790 | } |
| 2791 | |
| 2792 | v4_cmd.hash_rules_addr = mem.phys_base; |
| 2793 | v4_cmd.hash_rules_size = mem.size; |
| 2794 | v4_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2795 | IPA_MEM_PART(v4_flt_hash_ofst); |
| 2796 | v4_cmd.nhash_rules_addr = mem.phys_base; |
| 2797 | v4_cmd.nhash_rules_size = mem.size; |
| 2798 | v4_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2799 | IPA_MEM_PART(v4_flt_nhash_ofst); |
| 2800 | IPADBG("putting hashable filtering IPv4 rules to phys 0x%x\n", |
| 2801 | v4_cmd.hash_local_addr); |
| 2802 | IPADBG("putting non-hashable filtering IPv4 rules to phys 0x%x\n", |
| 2803 | v4_cmd.nhash_local_addr); |
| 2804 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2805 | IPA_IMM_CMD_IP_V4_FILTER_INIT, &v4_cmd, false); |
| 2806 | if (!cmd_pyld) { |
| 2807 | IPAERR("fail construct ip_v4_flt_init imm cmd\n"); |
| 2808 | rc = -EPERM; |
| 2809 | goto free_mem; |
| 2810 | } |
| 2811 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2812 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2813 | desc.type = IPA_IMM_CMD_DESC; |
| 2814 | desc.pyld = cmd_pyld->data; |
| 2815 | desc.len = cmd_pyld->len; |
| 2816 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2817 | |
| 2818 | if (ipa3_send_cmd(1, &desc)) { |
| 2819 | IPAERR("fail to send immediate command\n"); |
| 2820 | rc = -EFAULT; |
| 2821 | } |
| 2822 | |
| 2823 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2824 | |
| 2825 | free_mem: |
| 2826 | ipahal_free_dma_mem(&mem); |
| 2827 | return rc; |
| 2828 | } |
| 2829 | |
| 2830 | /** |
| 2831 | * _ipa_init_flt6_v3() - Initialize IPA filtering block for IPv6. |
| 2832 | * |
| 2833 | * Return codes: 0 for success, negative value for failure |
| 2834 | */ |
| 2835 | int _ipa_init_flt6_v3(void) |
| 2836 | { |
| 2837 | struct ipa3_desc desc = { 0 }; |
| 2838 | struct ipa_mem_buffer mem; |
| 2839 | struct ipahal_imm_cmd_ip_v6_filter_init v6_cmd; |
| 2840 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2841 | int rc; |
| 2842 | |
| 2843 | rc = ipahal_flt_generate_empty_img(ipa3_ctx->ep_flt_num, |
| 2844 | IPA_MEM_PART(v6_flt_hash_size), |
| 2845 | IPA_MEM_PART(v6_flt_nhash_size), ipa3_ctx->ep_flt_bitmap, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 2846 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2847 | if (rc) { |
| 2848 | IPAERR("fail generate empty v6 flt img\n"); |
| 2849 | return rc; |
| 2850 | } |
| 2851 | |
| 2852 | v6_cmd.hash_rules_addr = mem.phys_base; |
| 2853 | v6_cmd.hash_rules_size = mem.size; |
| 2854 | v6_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2855 | IPA_MEM_PART(v6_flt_hash_ofst); |
| 2856 | v6_cmd.nhash_rules_addr = mem.phys_base; |
| 2857 | v6_cmd.nhash_rules_size = mem.size; |
| 2858 | v6_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2859 | IPA_MEM_PART(v6_flt_nhash_ofst); |
| 2860 | IPADBG("putting hashable filtering IPv6 rules to phys 0x%x\n", |
| 2861 | v6_cmd.hash_local_addr); |
| 2862 | IPADBG("putting non-hashable filtering IPv6 rules to phys 0x%x\n", |
| 2863 | v6_cmd.nhash_local_addr); |
| 2864 | |
| 2865 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2866 | IPA_IMM_CMD_IP_V6_FILTER_INIT, &v6_cmd, false); |
| 2867 | if (!cmd_pyld) { |
| 2868 | IPAERR("fail construct ip_v6_flt_init imm cmd\n"); |
| 2869 | rc = -EPERM; |
| 2870 | goto free_mem; |
| 2871 | } |
| 2872 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2873 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2874 | desc.type = IPA_IMM_CMD_DESC; |
| 2875 | desc.pyld = cmd_pyld->data; |
| 2876 | desc.len = cmd_pyld->len; |
| 2877 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2878 | |
| 2879 | if (ipa3_send_cmd(1, &desc)) { |
| 2880 | IPAERR("fail to send immediate command\n"); |
| 2881 | rc = -EFAULT; |
| 2882 | } |
| 2883 | |
| 2884 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2885 | |
| 2886 | free_mem: |
| 2887 | ipahal_free_dma_mem(&mem); |
| 2888 | return rc; |
| 2889 | } |
| 2890 | |
| 2891 | static int ipa3_setup_flt_hash_tuple(void) |
| 2892 | { |
| 2893 | int pipe_idx; |
| 2894 | struct ipahal_reg_hash_tuple tuple; |
| 2895 | |
| 2896 | memset(&tuple, 0, sizeof(struct ipahal_reg_hash_tuple)); |
| 2897 | |
| 2898 | for (pipe_idx = 0; pipe_idx < ipa3_ctx->ipa_num_pipes ; pipe_idx++) { |
| 2899 | if (!ipa_is_ep_support_flt(pipe_idx)) |
| 2900 | continue; |
| 2901 | |
| 2902 | if (ipa_is_modem_pipe(pipe_idx)) |
| 2903 | continue; |
| 2904 | |
| 2905 | if (ipa3_set_flt_tuple_mask(pipe_idx, &tuple)) { |
| 2906 | IPAERR("failed to setup pipe %d flt tuple\n", pipe_idx); |
| 2907 | return -EFAULT; |
| 2908 | } |
| 2909 | } |
| 2910 | |
| 2911 | return 0; |
| 2912 | } |
| 2913 | |
| 2914 | static int ipa3_setup_rt_hash_tuple(void) |
| 2915 | { |
| 2916 | int tbl_idx; |
| 2917 | struct ipahal_reg_hash_tuple tuple; |
| 2918 | |
| 2919 | memset(&tuple, 0, sizeof(struct ipahal_reg_hash_tuple)); |
| 2920 | |
| 2921 | for (tbl_idx = 0; |
| 2922 | tbl_idx < max(IPA_MEM_PART(v6_rt_num_index), |
| 2923 | IPA_MEM_PART(v4_rt_num_index)); |
| 2924 | tbl_idx++) { |
| 2925 | |
| 2926 | if (tbl_idx >= IPA_MEM_PART(v4_modem_rt_index_lo) && |
| 2927 | tbl_idx <= IPA_MEM_PART(v4_modem_rt_index_hi)) |
| 2928 | continue; |
| 2929 | |
| 2930 | if (tbl_idx >= IPA_MEM_PART(v6_modem_rt_index_lo) && |
| 2931 | tbl_idx <= IPA_MEM_PART(v6_modem_rt_index_hi)) |
| 2932 | continue; |
| 2933 | |
| 2934 | if (ipa3_set_rt_tuple_mask(tbl_idx, &tuple)) { |
| 2935 | IPAERR("failed to setup tbl %d rt tuple\n", tbl_idx); |
| 2936 | return -EFAULT; |
| 2937 | } |
| 2938 | } |
| 2939 | |
| 2940 | return 0; |
| 2941 | } |
| 2942 | |
| 2943 | static int ipa3_setup_apps_pipes(void) |
| 2944 | { |
| 2945 | struct ipa_sys_connect_params sys_in; |
| 2946 | int result = 0; |
| 2947 | |
| 2948 | if (ipa3_ctx->gsi_ch20_wa) { |
| 2949 | IPADBG("Allocating GSI physical channel 20\n"); |
| 2950 | result = ipa_gsi_ch20_wa(); |
| 2951 | if (result) { |
| 2952 | IPAERR("ipa_gsi_ch20_wa failed %d\n", result); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 2953 | goto fail_ch20_wa; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2954 | } |
| 2955 | } |
| 2956 | |
Skylar Chang | d407e59 | 2017-03-30 11:25:30 -0700 | [diff] [blame] | 2957 | /* allocate the common PROD event ring */ |
| 2958 | if (ipa3_alloc_common_event_ring()) { |
| 2959 | IPAERR("ipa3_alloc_common_event_ring failed.\n"); |
| 2960 | result = -EPERM; |
| 2961 | goto fail_ch20_wa; |
| 2962 | } |
| 2963 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2964 | /* CMD OUT (AP->IPA) */ |
| 2965 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 2966 | sys_in.client = IPA_CLIENT_APPS_CMD_PROD; |
| 2967 | sys_in.desc_fifo_sz = IPA_SYS_DESC_FIFO_SZ; |
| 2968 | sys_in.ipa_ep_cfg.mode.mode = IPA_DMA; |
| 2969 | sys_in.ipa_ep_cfg.mode.dst = IPA_CLIENT_APPS_LAN_CONS; |
| 2970 | if (ipa3_setup_sys_pipe(&sys_in, &ipa3_ctx->clnt_hdl_cmd)) { |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 2971 | IPAERR(":setup sys pipe (APPS_CMD_PROD) failed.\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2972 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 2973 | goto fail_ch20_wa; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2974 | } |
| 2975 | IPADBG("Apps to IPA cmd pipe is connected\n"); |
| 2976 | |
| 2977 | ipa3_ctx->ctrl->ipa_init_sram(); |
| 2978 | IPADBG("SRAM initialized\n"); |
| 2979 | |
| 2980 | ipa3_ctx->ctrl->ipa_init_hdr(); |
| 2981 | IPADBG("HDR initialized\n"); |
| 2982 | |
| 2983 | ipa3_ctx->ctrl->ipa_init_rt4(); |
| 2984 | IPADBG("V4 RT initialized\n"); |
| 2985 | |
| 2986 | ipa3_ctx->ctrl->ipa_init_rt6(); |
| 2987 | IPADBG("V6 RT initialized\n"); |
| 2988 | |
| 2989 | ipa3_ctx->ctrl->ipa_init_flt4(); |
| 2990 | IPADBG("V4 FLT initialized\n"); |
| 2991 | |
| 2992 | ipa3_ctx->ctrl->ipa_init_flt6(); |
| 2993 | IPADBG("V6 FLT initialized\n"); |
| 2994 | |
| 2995 | if (ipa3_setup_flt_hash_tuple()) { |
| 2996 | IPAERR(":fail to configure flt hash tuple\n"); |
| 2997 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 2998 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2999 | } |
| 3000 | IPADBG("flt hash tuple is configured\n"); |
| 3001 | |
| 3002 | if (ipa3_setup_rt_hash_tuple()) { |
| 3003 | IPAERR(":fail to configure rt hash tuple\n"); |
| 3004 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3005 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3006 | } |
| 3007 | IPADBG("rt hash tuple is configured\n"); |
| 3008 | |
| 3009 | if (ipa3_setup_exception_path()) { |
| 3010 | IPAERR(":fail to setup excp path\n"); |
| 3011 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3012 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3013 | } |
| 3014 | IPADBG("Exception path was successfully set"); |
| 3015 | |
| 3016 | if (ipa3_setup_dflt_rt_tables()) { |
| 3017 | IPAERR(":fail to setup dflt routes\n"); |
| 3018 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3019 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3020 | } |
| 3021 | IPADBG("default routing was set\n"); |
| 3022 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3023 | /* LAN IN (IPA->AP) */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3024 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 3025 | sys_in.client = IPA_CLIENT_APPS_LAN_CONS; |
| 3026 | sys_in.desc_fifo_sz = IPA_SYS_DESC_FIFO_SZ; |
| 3027 | sys_in.notify = ipa3_lan_rx_cb; |
| 3028 | sys_in.priv = NULL; |
| 3029 | sys_in.ipa_ep_cfg.hdr.hdr_len = IPA_LAN_RX_HEADER_LENGTH; |
| 3030 | sys_in.ipa_ep_cfg.hdr_ext.hdr_little_endian = false; |
| 3031 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad_valid = true; |
| 3032 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad = IPA_HDR_PAD; |
| 3033 | sys_in.ipa_ep_cfg.hdr_ext.hdr_payload_len_inc_padding = false; |
| 3034 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad_offset = 0; |
| 3035 | sys_in.ipa_ep_cfg.hdr_ext.hdr_pad_to_alignment = 2; |
| 3036 | sys_in.ipa_ep_cfg.cfg.cs_offload_en = IPA_ENABLE_CS_OFFLOAD_DL; |
| 3037 | |
| 3038 | /** |
| 3039 | * ipa_lan_rx_cb() intended to notify the source EP about packet |
| 3040 | * being received on the LAN_CONS via calling the source EP call-back. |
| 3041 | * There could be a race condition with calling this call-back. Other |
| 3042 | * thread may nullify it - e.g. on EP disconnect. |
| 3043 | * This lock intended to protect the access to the source EP call-back |
| 3044 | */ |
| 3045 | spin_lock_init(&ipa3_ctx->disconnect_lock); |
| 3046 | 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] | 3047 | IPAERR(":setup sys pipe (LAN_CONS) failed.\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3048 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3049 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3050 | } |
| 3051 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3052 | /* LAN OUT (AP->IPA) */ |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 3053 | if (!ipa3_ctx->ipa_config_is_mhi) { |
| 3054 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 3055 | sys_in.client = IPA_CLIENT_APPS_LAN_PROD; |
| 3056 | sys_in.desc_fifo_sz = IPA_SYS_TX_DATA_DESC_FIFO_SZ; |
| 3057 | sys_in.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 3058 | if (ipa3_setup_sys_pipe(&sys_in, |
| 3059 | &ipa3_ctx->clnt_hdl_data_out)) { |
| 3060 | IPAERR(":setup sys pipe (LAN_PROD) failed.\n"); |
| 3061 | result = -EPERM; |
| 3062 | goto fail_lan_data_out; |
| 3063 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3064 | } |
| 3065 | |
| 3066 | return 0; |
| 3067 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3068 | fail_lan_data_out: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3069 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_in); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3070 | fail_flt_hash_tuple: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3071 | if (ipa3_ctx->dflt_v6_rt_rule_hdl) |
| 3072 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v6_rt_rule_hdl); |
| 3073 | if (ipa3_ctx->dflt_v4_rt_rule_hdl) |
| 3074 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v4_rt_rule_hdl); |
| 3075 | if (ipa3_ctx->excp_hdr_hdl) |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 3076 | __ipa3_del_hdr(ipa3_ctx->excp_hdr_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3077 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_cmd); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3078 | fail_ch20_wa: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3079 | return result; |
| 3080 | } |
| 3081 | |
| 3082 | static void ipa3_teardown_apps_pipes(void) |
| 3083 | { |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 3084 | if (!ipa3_ctx->ipa_config_is_mhi) |
| 3085 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_out); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3086 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_in); |
| 3087 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v6_rt_rule_hdl); |
| 3088 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v4_rt_rule_hdl); |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 3089 | __ipa3_del_hdr(ipa3_ctx->excp_hdr_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3090 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_cmd); |
| 3091 | } |
| 3092 | |
| 3093 | #ifdef CONFIG_COMPAT |
| 3094 | long compat_ipa3_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 3095 | { |
| 3096 | int retval = 0; |
| 3097 | struct ipa3_ioc_nat_alloc_mem32 nat_mem32; |
| 3098 | struct ipa_ioc_nat_alloc_mem nat_mem; |
| 3099 | |
| 3100 | switch (cmd) { |
| 3101 | case IPA_IOC_ADD_HDR32: |
| 3102 | cmd = IPA_IOC_ADD_HDR; |
| 3103 | break; |
| 3104 | case IPA_IOC_DEL_HDR32: |
| 3105 | cmd = IPA_IOC_DEL_HDR; |
| 3106 | break; |
| 3107 | case IPA_IOC_ADD_RT_RULE32: |
| 3108 | cmd = IPA_IOC_ADD_RT_RULE; |
| 3109 | break; |
| 3110 | case IPA_IOC_DEL_RT_RULE32: |
| 3111 | cmd = IPA_IOC_DEL_RT_RULE; |
| 3112 | break; |
| 3113 | case IPA_IOC_ADD_FLT_RULE32: |
| 3114 | cmd = IPA_IOC_ADD_FLT_RULE; |
| 3115 | break; |
| 3116 | case IPA_IOC_DEL_FLT_RULE32: |
| 3117 | cmd = IPA_IOC_DEL_FLT_RULE; |
| 3118 | break; |
| 3119 | case IPA_IOC_GET_RT_TBL32: |
| 3120 | cmd = IPA_IOC_GET_RT_TBL; |
| 3121 | break; |
| 3122 | case IPA_IOC_COPY_HDR32: |
| 3123 | cmd = IPA_IOC_COPY_HDR; |
| 3124 | break; |
| 3125 | case IPA_IOC_QUERY_INTF32: |
| 3126 | cmd = IPA_IOC_QUERY_INTF; |
| 3127 | break; |
| 3128 | case IPA_IOC_QUERY_INTF_TX_PROPS32: |
| 3129 | cmd = IPA_IOC_QUERY_INTF_TX_PROPS; |
| 3130 | break; |
| 3131 | case IPA_IOC_QUERY_INTF_RX_PROPS32: |
| 3132 | cmd = IPA_IOC_QUERY_INTF_RX_PROPS; |
| 3133 | break; |
| 3134 | case IPA_IOC_QUERY_INTF_EXT_PROPS32: |
| 3135 | cmd = IPA_IOC_QUERY_INTF_EXT_PROPS; |
| 3136 | break; |
| 3137 | case IPA_IOC_GET_HDR32: |
| 3138 | cmd = IPA_IOC_GET_HDR; |
| 3139 | break; |
| 3140 | case IPA_IOC_ALLOC_NAT_MEM32: |
| 3141 | if (copy_from_user((u8 *)&nat_mem32, (u8 *)arg, |
| 3142 | sizeof(struct ipa3_ioc_nat_alloc_mem32))) { |
| 3143 | retval = -EFAULT; |
| 3144 | goto ret; |
| 3145 | } |
| 3146 | memcpy(nat_mem.dev_name, nat_mem32.dev_name, |
| 3147 | IPA_RESOURCE_NAME_MAX); |
| 3148 | nat_mem.size = (size_t)nat_mem32.size; |
| 3149 | nat_mem.offset = (off_t)nat_mem32.offset; |
| 3150 | |
| 3151 | /* null terminate the string */ |
| 3152 | nat_mem.dev_name[IPA_RESOURCE_NAME_MAX - 1] = '\0'; |
| 3153 | |
| 3154 | if (ipa3_allocate_nat_device(&nat_mem)) { |
| 3155 | retval = -EFAULT; |
| 3156 | goto ret; |
| 3157 | } |
| 3158 | nat_mem32.offset = (compat_off_t)nat_mem.offset; |
| 3159 | if (copy_to_user((u8 *)arg, (u8 *)&nat_mem32, |
| 3160 | sizeof(struct ipa3_ioc_nat_alloc_mem32))) { |
| 3161 | retval = -EFAULT; |
| 3162 | } |
| 3163 | ret: |
| 3164 | return retval; |
| 3165 | case IPA_IOC_V4_INIT_NAT32: |
| 3166 | cmd = IPA_IOC_V4_INIT_NAT; |
| 3167 | break; |
| 3168 | case IPA_IOC_NAT_DMA32: |
| 3169 | cmd = IPA_IOC_NAT_DMA; |
| 3170 | break; |
| 3171 | case IPA_IOC_V4_DEL_NAT32: |
| 3172 | cmd = IPA_IOC_V4_DEL_NAT; |
| 3173 | break; |
| 3174 | case IPA_IOC_GET_NAT_OFFSET32: |
| 3175 | cmd = IPA_IOC_GET_NAT_OFFSET; |
| 3176 | break; |
| 3177 | case IPA_IOC_PULL_MSG32: |
| 3178 | cmd = IPA_IOC_PULL_MSG; |
| 3179 | break; |
| 3180 | case IPA_IOC_RM_ADD_DEPENDENCY32: |
| 3181 | cmd = IPA_IOC_RM_ADD_DEPENDENCY; |
| 3182 | break; |
| 3183 | case IPA_IOC_RM_DEL_DEPENDENCY32: |
| 3184 | cmd = IPA_IOC_RM_DEL_DEPENDENCY; |
| 3185 | break; |
| 3186 | case IPA_IOC_GENERATE_FLT_EQ32: |
| 3187 | cmd = IPA_IOC_GENERATE_FLT_EQ; |
| 3188 | break; |
| 3189 | case IPA_IOC_QUERY_RT_TBL_INDEX32: |
| 3190 | cmd = IPA_IOC_QUERY_RT_TBL_INDEX; |
| 3191 | break; |
| 3192 | case IPA_IOC_WRITE_QMAPID32: |
| 3193 | cmd = IPA_IOC_WRITE_QMAPID; |
| 3194 | break; |
| 3195 | case IPA_IOC_MDFY_FLT_RULE32: |
| 3196 | cmd = IPA_IOC_MDFY_FLT_RULE; |
| 3197 | break; |
| 3198 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD32: |
| 3199 | cmd = IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD; |
| 3200 | break; |
| 3201 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL32: |
| 3202 | cmd = IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL; |
| 3203 | break; |
| 3204 | case IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED32: |
| 3205 | cmd = IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED; |
| 3206 | break; |
| 3207 | case IPA_IOC_MDFY_RT_RULE32: |
| 3208 | cmd = IPA_IOC_MDFY_RT_RULE; |
| 3209 | break; |
| 3210 | case IPA_IOC_COMMIT_HDR: |
| 3211 | case IPA_IOC_RESET_HDR: |
| 3212 | case IPA_IOC_COMMIT_RT: |
| 3213 | case IPA_IOC_RESET_RT: |
| 3214 | case IPA_IOC_COMMIT_FLT: |
| 3215 | case IPA_IOC_RESET_FLT: |
| 3216 | case IPA_IOC_DUMP: |
| 3217 | case IPA_IOC_PUT_RT_TBL: |
| 3218 | case IPA_IOC_PUT_HDR: |
| 3219 | case IPA_IOC_SET_FLT: |
| 3220 | case IPA_IOC_QUERY_EP_MAPPING: |
| 3221 | break; |
| 3222 | default: |
| 3223 | return -ENOIOCTLCMD; |
| 3224 | } |
| 3225 | return ipa3_ioctl(file, cmd, (unsigned long) compat_ptr(arg)); |
| 3226 | } |
| 3227 | #endif |
| 3228 | |
| 3229 | static ssize_t ipa3_write(struct file *file, const char __user *buf, |
| 3230 | size_t count, loff_t *ppos); |
| 3231 | |
| 3232 | static const struct file_operations ipa3_drv_fops = { |
| 3233 | .owner = THIS_MODULE, |
| 3234 | .open = ipa3_open, |
| 3235 | .read = ipa3_read, |
| 3236 | .write = ipa3_write, |
| 3237 | .unlocked_ioctl = ipa3_ioctl, |
| 3238 | #ifdef CONFIG_COMPAT |
| 3239 | .compat_ioctl = compat_ipa3_ioctl, |
| 3240 | #endif |
| 3241 | }; |
| 3242 | |
| 3243 | static int ipa3_get_clks(struct device *dev) |
| 3244 | { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3245 | if (ipa3_res.use_bw_vote) { |
| 3246 | IPADBG("Vote IPA clock by bw voting via bus scaling driver\n"); |
| 3247 | ipa3_clk = NULL; |
| 3248 | return 0; |
| 3249 | } |
| 3250 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3251 | ipa3_clk = clk_get(dev, "core_clk"); |
| 3252 | if (IS_ERR(ipa3_clk)) { |
| 3253 | if (ipa3_clk != ERR_PTR(-EPROBE_DEFER)) |
| 3254 | IPAERR("fail to get ipa clk\n"); |
| 3255 | return PTR_ERR(ipa3_clk); |
| 3256 | } |
| 3257 | return 0; |
| 3258 | } |
| 3259 | |
| 3260 | /** |
| 3261 | * _ipa_enable_clks_v3_0() - Enable IPA clocks. |
| 3262 | */ |
| 3263 | void _ipa_enable_clks_v3_0(void) |
| 3264 | { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3265 | 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] | 3266 | if (ipa3_clk) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3267 | IPADBG_LOW("enabling gcc_ipa_clk\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3268 | clk_prepare(ipa3_clk); |
| 3269 | clk_enable(ipa3_clk); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3270 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3271 | } |
| 3272 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3273 | ipa3_uc_notify_clk_state(true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3274 | } |
| 3275 | |
| 3276 | static unsigned int ipa3_get_bus_vote(void) |
| 3277 | { |
| 3278 | unsigned int idx = 1; |
| 3279 | |
| 3280 | if (ipa3_ctx->curr_ipa_clk_rate == ipa3_ctx->ctrl->ipa_clk_rate_svs) { |
| 3281 | idx = 1; |
| 3282 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
| 3283 | ipa3_ctx->ctrl->ipa_clk_rate_nominal) { |
| 3284 | if (ipa3_ctx->ctrl->msm_bus_data_ptr->num_usecases <= 2) |
| 3285 | idx = 1; |
| 3286 | else |
| 3287 | idx = 2; |
| 3288 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
| 3289 | ipa3_ctx->ctrl->ipa_clk_rate_turbo) { |
| 3290 | idx = ipa3_ctx->ctrl->msm_bus_data_ptr->num_usecases - 1; |
| 3291 | } else { |
| 3292 | WARN_ON(1); |
| 3293 | } |
| 3294 | |
| 3295 | IPADBG("curr %d idx %d\n", ipa3_ctx->curr_ipa_clk_rate, idx); |
| 3296 | |
| 3297 | return idx; |
| 3298 | } |
| 3299 | |
| 3300 | /** |
| 3301 | * ipa3_enable_clks() - Turn on IPA clocks |
| 3302 | * |
| 3303 | * Return codes: |
| 3304 | * None |
| 3305 | */ |
| 3306 | void ipa3_enable_clks(void) |
| 3307 | { |
| 3308 | IPADBG("enabling IPA clocks and bus voting\n"); |
| 3309 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3310 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
| 3311 | ipa3_get_bus_vote())) |
| 3312 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3313 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3314 | ipa3_ctx->ctrl->ipa3_enable_clks(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3315 | } |
| 3316 | |
| 3317 | |
| 3318 | /** |
| 3319 | * _ipa_disable_clks_v3_0() - Disable IPA clocks. |
| 3320 | */ |
| 3321 | void _ipa_disable_clks_v3_0(void) |
| 3322 | { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3323 | ipa3_suspend_apps_pipes(true); |
| 3324 | ipa3_uc_notify_clk_state(false); |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3325 | if (ipa3_clk) { |
| 3326 | IPADBG_LOW("disabling gcc_ipa_clk\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3327 | clk_disable_unprepare(ipa3_clk); |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3328 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3329 | } |
| 3330 | |
| 3331 | /** |
| 3332 | * ipa3_disable_clks() - Turn off IPA clocks |
| 3333 | * |
| 3334 | * Return codes: |
| 3335 | * None |
| 3336 | */ |
| 3337 | void ipa3_disable_clks(void) |
| 3338 | { |
| 3339 | IPADBG("disabling IPA clocks and bus voting\n"); |
| 3340 | |
| 3341 | ipa3_ctx->ctrl->ipa3_disable_clks(); |
| 3342 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3343 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, 0)) |
| 3344 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3345 | } |
| 3346 | |
| 3347 | /** |
| 3348 | * ipa3_start_tag_process() - Send TAG packet and wait for it to come back |
| 3349 | * |
| 3350 | * This function is called prior to clock gating when active client counter |
| 3351 | * 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] | 3352 | * were not submitted to the IPA client via the transport. During TAG process |
| 3353 | * all aggregation frames are (force) closed. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3354 | * |
| 3355 | * Return codes: |
| 3356 | * None |
| 3357 | */ |
| 3358 | static void ipa3_start_tag_process(struct work_struct *work) |
| 3359 | { |
| 3360 | int res; |
| 3361 | |
| 3362 | IPADBG("starting TAG process\n"); |
| 3363 | /* close aggregation frames on all pipes */ |
| 3364 | res = ipa3_tag_aggr_force_close(-1); |
| 3365 | if (res) |
| 3366 | IPAERR("ipa3_tag_aggr_force_close failed %d\n", res); |
| 3367 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("TAG_PROCESS"); |
| 3368 | |
| 3369 | IPADBG("TAG process done\n"); |
| 3370 | } |
| 3371 | |
| 3372 | /** |
| 3373 | * ipa3_active_clients_log_mod() - Log a modification in the active clients |
| 3374 | * reference count |
| 3375 | * |
| 3376 | * This method logs any modification in the active clients reference count: |
| 3377 | * It logs the modification in the circular history buffer |
| 3378 | * It logs the modification in the hash table - looking for an entry, |
| 3379 | * creating one if needed and deleting one if needed. |
| 3380 | * |
| 3381 | * @id: ipa3_active client logging info struct to hold the log information |
| 3382 | * @inc: a boolean variable to indicate whether the modification is an increase |
| 3383 | * or decrease |
| 3384 | * @int_ctx: a boolean variable to indicate whether this call is being made from |
| 3385 | * an interrupt context and therefore should allocate GFP_ATOMIC memory |
| 3386 | * |
| 3387 | * Method process: |
| 3388 | * - Hash the unique identifier string |
| 3389 | * - Find the hash in the table |
| 3390 | * 1)If found, increase or decrease the reference count |
| 3391 | * 2)If not found, allocate a new hash table entry struct and initialize it |
| 3392 | * - Remove and deallocate unneeded data structure |
| 3393 | * - Log the call in the circular history buffer (unless it is a simple call) |
| 3394 | */ |
| 3395 | void ipa3_active_clients_log_mod(struct ipa_active_client_logging_info *id, |
| 3396 | bool inc, bool int_ctx) |
| 3397 | { |
| 3398 | char temp_str[IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN]; |
| 3399 | unsigned long long t; |
| 3400 | unsigned long nanosec_rem; |
| 3401 | struct ipa3_active_client_htable_entry *hentry; |
| 3402 | struct ipa3_active_client_htable_entry *hfound; |
| 3403 | u32 hkey; |
| 3404 | char str_to_hash[IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN]; |
| 3405 | |
| 3406 | hfound = NULL; |
| 3407 | memset(str_to_hash, 0, IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN); |
| 3408 | 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] | 3409 | hkey = jhash(str_to_hash, IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3410 | 0); |
| 3411 | hash_for_each_possible(ipa3_ctx->ipa3_active_clients_logging.htable, |
| 3412 | hentry, list, hkey) { |
| 3413 | if (!strcmp(hentry->id_string, id->id_string)) { |
| 3414 | hentry->count = hentry->count + (inc ? 1 : -1); |
| 3415 | hfound = hentry; |
| 3416 | } |
| 3417 | } |
| 3418 | if (hfound == NULL) { |
| 3419 | hentry = NULL; |
| 3420 | hentry = kzalloc(sizeof( |
| 3421 | struct ipa3_active_client_htable_entry), |
| 3422 | int_ctx ? GFP_ATOMIC : GFP_KERNEL); |
| 3423 | if (hentry == NULL) { |
| 3424 | IPAERR("failed allocating active clients hash entry"); |
| 3425 | return; |
| 3426 | } |
| 3427 | hentry->type = id->type; |
| 3428 | strlcpy(hentry->id_string, id->id_string, |
| 3429 | IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN); |
| 3430 | INIT_HLIST_NODE(&hentry->list); |
| 3431 | hentry->count = inc ? 1 : -1; |
| 3432 | hash_add(ipa3_ctx->ipa3_active_clients_logging.htable, |
| 3433 | &hentry->list, hkey); |
| 3434 | } else if (hfound->count == 0) { |
| 3435 | hash_del(&hfound->list); |
| 3436 | kfree(hfound); |
| 3437 | } |
| 3438 | |
| 3439 | if (id->type != SIMPLE) { |
| 3440 | t = local_clock(); |
| 3441 | nanosec_rem = do_div(t, 1000000000) / 1000; |
| 3442 | snprintf(temp_str, IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN, |
| 3443 | inc ? "[%5lu.%06lu] ^ %s, %s: %d" : |
| 3444 | "[%5lu.%06lu] v %s, %s: %d", |
| 3445 | (unsigned long)t, nanosec_rem, |
| 3446 | id->id_string, id->file, id->line); |
| 3447 | ipa3_active_clients_log_insert(temp_str); |
| 3448 | } |
| 3449 | } |
| 3450 | |
| 3451 | void ipa3_active_clients_log_dec(struct ipa_active_client_logging_info *id, |
| 3452 | bool int_ctx) |
| 3453 | { |
| 3454 | ipa3_active_clients_log_mod(id, false, int_ctx); |
| 3455 | } |
| 3456 | |
| 3457 | void ipa3_active_clients_log_inc(struct ipa_active_client_logging_info *id, |
| 3458 | bool int_ctx) |
| 3459 | { |
| 3460 | ipa3_active_clients_log_mod(id, true, int_ctx); |
| 3461 | } |
| 3462 | |
| 3463 | /** |
| 3464 | * ipa3_inc_client_enable_clks() - Increase active clients counter, and |
| 3465 | * enable ipa clocks if necessary |
| 3466 | * |
| 3467 | * Return codes: |
| 3468 | * None |
| 3469 | */ |
| 3470 | void ipa3_inc_client_enable_clks(struct ipa_active_client_logging_info *id) |
| 3471 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3472 | int ret; |
| 3473 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3474 | ipa3_active_clients_log_inc(id, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3475 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3476 | if (ret) { |
| 3477 | IPADBG_LOW("active clients = %d\n", |
| 3478 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3479 | return; |
| 3480 | } |
| 3481 | |
| 3482 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3483 | |
| 3484 | /* somebody might voted to clocks meanwhile */ |
| 3485 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3486 | if (ret) { |
| 3487 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3488 | IPADBG_LOW("active clients = %d\n", |
| 3489 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3490 | return; |
| 3491 | } |
| 3492 | |
| 3493 | ipa3_enable_clks(); |
| 3494 | atomic_inc(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3495 | IPADBG_LOW("active clients = %d\n", |
| 3496 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3497 | ipa3_suspend_apps_pipes(false); |
| 3498 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3499 | } |
| 3500 | |
| 3501 | /** |
| 3502 | * ipa3_inc_client_enable_clks_no_block() - Only increment the number of active |
| 3503 | * clients if no asynchronous actions should be done. Asynchronous actions are |
| 3504 | * locking a mutex and waking up IPA HW. |
| 3505 | * |
| 3506 | * Return codes: 0 for success |
| 3507 | * -EPERM if an asynchronous action should have been done |
| 3508 | */ |
| 3509 | int ipa3_inc_client_enable_clks_no_block(struct ipa_active_client_logging_info |
| 3510 | *id) |
| 3511 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3512 | int ret; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3513 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3514 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3515 | if (ret) { |
| 3516 | ipa3_active_clients_log_inc(id, true); |
| 3517 | IPADBG_LOW("active clients = %d\n", |
| 3518 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3519 | return 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3520 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3521 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3522 | return -EPERM; |
| 3523 | } |
| 3524 | |
| 3525 | static void __ipa3_dec_client_disable_clks(void) |
| 3526 | { |
| 3527 | int ret; |
| 3528 | |
| 3529 | if (!atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)) { |
| 3530 | IPAERR("trying to disable clocks with refcnt is 0!\n"); |
| 3531 | ipa_assert(); |
| 3532 | return; |
| 3533 | } |
| 3534 | |
| 3535 | ret = atomic_add_unless(&ipa3_ctx->ipa3_active_clients.cnt, -1, 1); |
| 3536 | if (ret) |
| 3537 | goto bail; |
| 3538 | |
| 3539 | /* seems like this is the only client holding the clocks */ |
| 3540 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3541 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) == 1 && |
| 3542 | ipa3_ctx->tag_process_before_gating) { |
| 3543 | ipa3_ctx->tag_process_before_gating = false; |
| 3544 | /* |
| 3545 | * When TAG process ends, active clients will be |
| 3546 | * decreased |
| 3547 | */ |
| 3548 | queue_work(ipa3_ctx->power_mgmt_wq, &ipa3_tag_work); |
| 3549 | goto unlock_mutex; |
| 3550 | } |
| 3551 | |
| 3552 | /* a different context might increase the clock reference meanwhile */ |
| 3553 | ret = atomic_sub_return(1, &ipa3_ctx->ipa3_active_clients.cnt); |
| 3554 | if (ret > 0) |
| 3555 | goto unlock_mutex; |
| 3556 | ipa3_disable_clks(); |
| 3557 | |
| 3558 | unlock_mutex: |
| 3559 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3560 | bail: |
| 3561 | IPADBG_LOW("active clients = %d\n", |
| 3562 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3563 | } |
| 3564 | |
| 3565 | /** |
| 3566 | * ipa3_dec_client_disable_clks() - Decrease active clients counter |
| 3567 | * |
| 3568 | * In case that there are no active clients this function also starts |
| 3569 | * TAG process. When TAG progress ends ipa clocks will be gated. |
| 3570 | * start_tag_process_again flag is set during this function to signal TAG |
| 3571 | * process to start again as there was another client that may send data to ipa |
| 3572 | * |
| 3573 | * Return codes: |
| 3574 | * None |
| 3575 | */ |
| 3576 | void ipa3_dec_client_disable_clks(struct ipa_active_client_logging_info *id) |
| 3577 | { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3578 | ipa3_active_clients_log_dec(id, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3579 | __ipa3_dec_client_disable_clks(); |
| 3580 | } |
| 3581 | |
| 3582 | static void ipa_dec_clients_disable_clks_on_wq(struct work_struct *work) |
| 3583 | { |
| 3584 | __ipa3_dec_client_disable_clks(); |
| 3585 | } |
| 3586 | |
| 3587 | /** |
| 3588 | * ipa3_dec_client_disable_clks_no_block() - Decrease active clients counter |
| 3589 | * if possible without blocking. If this is the last client then the desrease |
| 3590 | * will happen from work queue context. |
| 3591 | * |
| 3592 | * Return codes: |
| 3593 | * None |
| 3594 | */ |
| 3595 | void ipa3_dec_client_disable_clks_no_block( |
| 3596 | struct ipa_active_client_logging_info *id) |
| 3597 | { |
| 3598 | int ret; |
| 3599 | |
| 3600 | ipa3_active_clients_log_dec(id, true); |
| 3601 | ret = atomic_add_unless(&ipa3_ctx->ipa3_active_clients.cnt, -1, 1); |
| 3602 | if (ret) { |
| 3603 | IPADBG_LOW("active clients = %d\n", |
| 3604 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3605 | return; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3606 | } |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3607 | |
| 3608 | /* seems like this is the only client holding the clocks */ |
| 3609 | queue_work(ipa3_ctx->power_mgmt_wq, |
| 3610 | &ipa_dec_clients_disable_clks_on_wq_work); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3611 | } |
| 3612 | |
| 3613 | /** |
| 3614 | * ipa3_inc_acquire_wakelock() - Increase active clients counter, and |
| 3615 | * acquire wakelock if necessary |
| 3616 | * |
| 3617 | * Return codes: |
| 3618 | * None |
| 3619 | */ |
| 3620 | void ipa3_inc_acquire_wakelock(void) |
| 3621 | { |
| 3622 | unsigned long flags; |
| 3623 | |
| 3624 | spin_lock_irqsave(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3625 | ipa3_ctx->wakelock_ref_cnt.cnt++; |
| 3626 | if (ipa3_ctx->wakelock_ref_cnt.cnt == 1) |
| 3627 | __pm_stay_awake(&ipa3_ctx->w_lock); |
| 3628 | IPADBG_LOW("active wakelock ref cnt = %d\n", |
| 3629 | ipa3_ctx->wakelock_ref_cnt.cnt); |
| 3630 | spin_unlock_irqrestore(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3631 | } |
| 3632 | |
| 3633 | /** |
| 3634 | * ipa3_dec_release_wakelock() - Decrease active clients counter |
| 3635 | * |
| 3636 | * In case if the ref count is 0, release the wakelock. |
| 3637 | * |
| 3638 | * Return codes: |
| 3639 | * None |
| 3640 | */ |
| 3641 | void ipa3_dec_release_wakelock(void) |
| 3642 | { |
| 3643 | unsigned long flags; |
| 3644 | |
| 3645 | spin_lock_irqsave(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3646 | ipa3_ctx->wakelock_ref_cnt.cnt--; |
| 3647 | IPADBG_LOW("active wakelock ref cnt = %d\n", |
| 3648 | ipa3_ctx->wakelock_ref_cnt.cnt); |
| 3649 | if (ipa3_ctx->wakelock_ref_cnt.cnt == 0) |
| 3650 | __pm_relax(&ipa3_ctx->w_lock); |
| 3651 | spin_unlock_irqrestore(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3652 | } |
| 3653 | |
| 3654 | int ipa3_set_required_perf_profile(enum ipa_voltage_level floor_voltage, |
| 3655 | u32 bandwidth_mbps) |
| 3656 | { |
| 3657 | enum ipa_voltage_level needed_voltage; |
| 3658 | u32 clk_rate; |
| 3659 | |
| 3660 | IPADBG_LOW("floor_voltage=%d, bandwidth_mbps=%u", |
| 3661 | floor_voltage, bandwidth_mbps); |
| 3662 | |
| 3663 | if (floor_voltage < IPA_VOLTAGE_UNSPECIFIED || |
| 3664 | floor_voltage >= IPA_VOLTAGE_MAX) { |
| 3665 | IPAERR("bad voltage\n"); |
| 3666 | return -EINVAL; |
| 3667 | } |
| 3668 | |
| 3669 | if (ipa3_ctx->enable_clock_scaling) { |
| 3670 | IPADBG_LOW("Clock scaling is enabled\n"); |
| 3671 | if (bandwidth_mbps >= |
| 3672 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_turbo) |
| 3673 | needed_voltage = IPA_VOLTAGE_TURBO; |
| 3674 | else if (bandwidth_mbps >= |
| 3675 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_nominal) |
| 3676 | needed_voltage = IPA_VOLTAGE_NOMINAL; |
| 3677 | else |
| 3678 | needed_voltage = IPA_VOLTAGE_SVS; |
| 3679 | } else { |
| 3680 | IPADBG_LOW("Clock scaling is disabled\n"); |
| 3681 | needed_voltage = IPA_VOLTAGE_NOMINAL; |
| 3682 | } |
| 3683 | |
| 3684 | needed_voltage = max(needed_voltage, floor_voltage); |
| 3685 | switch (needed_voltage) { |
| 3686 | case IPA_VOLTAGE_SVS: |
| 3687 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs; |
| 3688 | break; |
| 3689 | case IPA_VOLTAGE_NOMINAL: |
| 3690 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_nominal; |
| 3691 | break; |
| 3692 | case IPA_VOLTAGE_TURBO: |
| 3693 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 3694 | break; |
| 3695 | default: |
| 3696 | IPAERR("bad voltage\n"); |
| 3697 | WARN_ON(1); |
| 3698 | return -EFAULT; |
| 3699 | } |
| 3700 | |
| 3701 | if (clk_rate == ipa3_ctx->curr_ipa_clk_rate) { |
| 3702 | IPADBG_LOW("Same voltage\n"); |
| 3703 | return 0; |
| 3704 | } |
| 3705 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3706 | /* Hold the mutex to avoid race conditions with ipa3_enable_clocks() */ |
| 3707 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3708 | ipa3_ctx->curr_ipa_clk_rate = clk_rate; |
| 3709 | 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] | 3710 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) > 0) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3711 | if (ipa3_clk) |
| 3712 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
| 3713 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3714 | ipa3_get_bus_vote())) |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3715 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3716 | } else { |
| 3717 | IPADBG_LOW("clocks are gated, not setting rate\n"); |
| 3718 | } |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3719 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3720 | IPADBG_LOW("Done\n"); |
Skylar Chang | 1cbe99c | 2017-05-01 13:44:03 -0700 | [diff] [blame] | 3721 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3722 | return 0; |
| 3723 | } |
| 3724 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3725 | static void ipa3_process_irq_schedule_rel(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3726 | { |
| 3727 | queue_delayed_work(ipa3_ctx->transport_power_mgmt_wq, |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3728 | &ipa3_transport_release_resource_work, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3729 | msecs_to_jiffies(IPA_TRANSPORT_PROD_TIMEOUT_MSEC)); |
| 3730 | } |
| 3731 | |
| 3732 | /** |
| 3733 | * ipa3_suspend_handler() - Handles the suspend interrupt: |
| 3734 | * wakes up the suspended peripheral by requesting its consumer |
| 3735 | * @interrupt: Interrupt type |
| 3736 | * @private_data: The client's private data |
| 3737 | * @interrupt_data: Interrupt specific information data |
| 3738 | */ |
| 3739 | void ipa3_suspend_handler(enum ipa_irq_type interrupt, |
| 3740 | void *private_data, |
| 3741 | void *interrupt_data) |
| 3742 | { |
| 3743 | enum ipa_rm_resource_name resource; |
| 3744 | u32 suspend_data = |
| 3745 | ((struct ipa_tx_suspend_irq_data *)interrupt_data)->endpoints; |
| 3746 | u32 bmsk = 1; |
| 3747 | u32 i = 0; |
| 3748 | int res; |
| 3749 | struct ipa_ep_cfg_holb holb_cfg; |
| 3750 | |
| 3751 | IPADBG("interrupt=%d, interrupt_data=%u\n", |
| 3752 | interrupt, suspend_data); |
| 3753 | memset(&holb_cfg, 0, sizeof(holb_cfg)); |
| 3754 | holb_cfg.tmr_val = 0; |
| 3755 | |
| 3756 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 3757 | if ((suspend_data & bmsk) && (ipa3_ctx->ep[i].valid)) { |
| 3758 | if (IPA_CLIENT_IS_APPS_CONS(ipa3_ctx->ep[i].client)) { |
| 3759 | /* |
| 3760 | * pipe will be unsuspended as part of |
| 3761 | * enabling IPA clocks |
| 3762 | */ |
Skylar Chang | 0d06bb1 | 2017-02-24 11:22:03 -0800 | [diff] [blame] | 3763 | mutex_lock(&ipa3_ctx->transport_pm. |
| 3764 | transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3765 | if (!atomic_read( |
| 3766 | &ipa3_ctx->transport_pm.dec_clients) |
| 3767 | ) { |
| 3768 | IPA_ACTIVE_CLIENTS_INC_EP( |
| 3769 | ipa3_ctx->ep[i].client); |
| 3770 | IPADBG_LOW("Pipes un-suspended.\n"); |
| 3771 | IPADBG_LOW("Enter poll mode.\n"); |
| 3772 | atomic_set( |
| 3773 | &ipa3_ctx->transport_pm.dec_clients, |
| 3774 | 1); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3775 | ipa3_process_irq_schedule_rel(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3776 | } |
Skylar Chang | 0d06bb1 | 2017-02-24 11:22:03 -0800 | [diff] [blame] | 3777 | mutex_unlock(&ipa3_ctx->transport_pm. |
| 3778 | transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3779 | } else { |
| 3780 | resource = ipa3_get_rm_resource_from_ep(i); |
| 3781 | res = |
| 3782 | ipa_rm_request_resource_with_timer(resource); |
| 3783 | if (res == -EPERM && |
| 3784 | IPA_CLIENT_IS_CONS( |
| 3785 | ipa3_ctx->ep[i].client)) { |
| 3786 | holb_cfg.en = 1; |
| 3787 | res = ipa3_cfg_ep_holb_by_client( |
| 3788 | ipa3_ctx->ep[i].client, &holb_cfg); |
| 3789 | if (res) { |
| 3790 | IPAERR("holb en fail, stall\n"); |
| 3791 | BUG(); |
| 3792 | } |
| 3793 | } |
| 3794 | } |
| 3795 | } |
| 3796 | bmsk = bmsk << 1; |
| 3797 | } |
| 3798 | } |
| 3799 | |
| 3800 | /** |
| 3801 | * ipa3_restore_suspend_handler() - restores the original suspend IRQ handler |
| 3802 | * as it was registered in the IPA init sequence. |
| 3803 | * Return codes: |
| 3804 | * 0: success |
| 3805 | * -EPERM: failed to remove current handler or failed to add original handler |
| 3806 | */ |
| 3807 | int ipa3_restore_suspend_handler(void) |
| 3808 | { |
| 3809 | int result = 0; |
| 3810 | |
| 3811 | result = ipa3_remove_interrupt_handler(IPA_TX_SUSPEND_IRQ); |
| 3812 | if (result) { |
| 3813 | IPAERR("remove handler for suspend interrupt failed\n"); |
| 3814 | return -EPERM; |
| 3815 | } |
| 3816 | |
| 3817 | result = ipa3_add_interrupt_handler(IPA_TX_SUSPEND_IRQ, |
| 3818 | ipa3_suspend_handler, false, NULL); |
| 3819 | if (result) { |
| 3820 | IPAERR("register handler for suspend interrupt failed\n"); |
| 3821 | result = -EPERM; |
| 3822 | } |
| 3823 | |
| 3824 | IPADBG("suspend handler successfully restored\n"); |
| 3825 | |
| 3826 | return result; |
| 3827 | } |
| 3828 | |
| 3829 | static int ipa3_apps_cons_release_resource(void) |
| 3830 | { |
| 3831 | return 0; |
| 3832 | } |
| 3833 | |
| 3834 | static int ipa3_apps_cons_request_resource(void) |
| 3835 | { |
| 3836 | return 0; |
| 3837 | } |
| 3838 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3839 | static void ipa3_transport_release_resource(struct work_struct *work) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3840 | { |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 3841 | mutex_lock(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3842 | /* check whether still need to decrease client usage */ |
| 3843 | if (atomic_read(&ipa3_ctx->transport_pm.dec_clients)) { |
| 3844 | if (atomic_read(&ipa3_ctx->transport_pm.eot_activity)) { |
| 3845 | IPADBG("EOT pending Re-scheduling\n"); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3846 | ipa3_process_irq_schedule_rel(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3847 | } else { |
| 3848 | atomic_set(&ipa3_ctx->transport_pm.dec_clients, 0); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3849 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("TRANSPORT_RESOURCE"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3850 | } |
| 3851 | } |
| 3852 | atomic_set(&ipa3_ctx->transport_pm.eot_activity, 0); |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 3853 | mutex_unlock(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3854 | } |
| 3855 | |
| 3856 | int ipa3_create_apps_resource(void) |
| 3857 | { |
| 3858 | struct ipa_rm_create_params apps_cons_create_params; |
| 3859 | struct ipa_rm_perf_profile profile; |
| 3860 | int result = 0; |
| 3861 | |
| 3862 | memset(&apps_cons_create_params, 0, |
| 3863 | sizeof(apps_cons_create_params)); |
| 3864 | apps_cons_create_params.name = IPA_RM_RESOURCE_APPS_CONS; |
| 3865 | apps_cons_create_params.request_resource = |
| 3866 | ipa3_apps_cons_request_resource; |
| 3867 | apps_cons_create_params.release_resource = |
| 3868 | ipa3_apps_cons_release_resource; |
| 3869 | result = ipa_rm_create_resource(&apps_cons_create_params); |
| 3870 | if (result) { |
| 3871 | IPAERR("ipa_rm_create_resource failed\n"); |
| 3872 | return result; |
| 3873 | } |
| 3874 | |
| 3875 | profile.max_supported_bandwidth_mbps = IPA_APPS_MAX_BW_IN_MBPS; |
| 3876 | ipa_rm_set_perf_profile(IPA_RM_RESOURCE_APPS_CONS, &profile); |
| 3877 | |
| 3878 | return result; |
| 3879 | } |
| 3880 | |
| 3881 | /** |
| 3882 | * ipa3_init_interrupts() - Register to IPA IRQs |
| 3883 | * |
| 3884 | * Return codes: 0 in success, negative in failure |
| 3885 | * |
| 3886 | */ |
| 3887 | int ipa3_init_interrupts(void) |
| 3888 | { |
| 3889 | int result; |
| 3890 | |
| 3891 | /*register IPA IRQ handler*/ |
| 3892 | result = ipa3_interrupts_init(ipa3_res.ipa_irq, 0, |
| 3893 | master_dev); |
| 3894 | if (result) { |
| 3895 | IPAERR("ipa interrupts initialization failed\n"); |
| 3896 | return -ENODEV; |
| 3897 | } |
| 3898 | |
| 3899 | /*add handler for suspend interrupt*/ |
| 3900 | result = ipa3_add_interrupt_handler(IPA_TX_SUSPEND_IRQ, |
| 3901 | ipa3_suspend_handler, false, NULL); |
| 3902 | if (result) { |
| 3903 | IPAERR("register handler for suspend interrupt failed\n"); |
| 3904 | result = -ENODEV; |
| 3905 | goto fail_add_interrupt_handler; |
| 3906 | } |
| 3907 | |
| 3908 | return 0; |
| 3909 | |
| 3910 | fail_add_interrupt_handler: |
| 3911 | free_irq(ipa3_res.ipa_irq, master_dev); |
| 3912 | return result; |
| 3913 | } |
| 3914 | |
| 3915 | /** |
| 3916 | * ipa3_destroy_flt_tbl_idrs() - destroy the idr structure for flt tables |
| 3917 | * The idr strcuture per filtering table is intended for rule id generation |
| 3918 | * per filtering rule. |
| 3919 | */ |
| 3920 | static void ipa3_destroy_flt_tbl_idrs(void) |
| 3921 | { |
| 3922 | int i; |
| 3923 | struct ipa3_flt_tbl *flt_tbl; |
| 3924 | |
| 3925 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 3926 | if (!ipa_is_ep_support_flt(i)) |
| 3927 | continue; |
| 3928 | |
| 3929 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v4]; |
| 3930 | idr_destroy(&flt_tbl->rule_ids); |
| 3931 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v6]; |
| 3932 | idr_destroy(&flt_tbl->rule_ids); |
| 3933 | } |
| 3934 | } |
| 3935 | |
| 3936 | static void ipa3_freeze_clock_vote_and_notify_modem(void) |
| 3937 | { |
| 3938 | int res; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3939 | struct ipa_active_client_logging_info log_info; |
| 3940 | |
| 3941 | if (ipa3_ctx->smp2p_info.res_sent) |
| 3942 | return; |
| 3943 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 3944 | if (ipa3_ctx->smp2p_info.out_base_id == 0) { |
| 3945 | IPAERR("smp2p out gpio not assigned\n"); |
| 3946 | return; |
| 3947 | } |
| 3948 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3949 | IPA_ACTIVE_CLIENTS_PREP_SPECIAL(log_info, "FREEZE_VOTE"); |
| 3950 | res = ipa3_inc_client_enable_clks_no_block(&log_info); |
| 3951 | if (res) |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 3952 | ipa3_ctx->smp2p_info.ipa_clk_on = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3953 | else |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 3954 | ipa3_ctx->smp2p_info.ipa_clk_on = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3955 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 3956 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 3957 | IPA_GPIO_OUT_CLK_VOTE_IDX, |
| 3958 | ipa3_ctx->smp2p_info.ipa_clk_on); |
| 3959 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 3960 | IPA_GPIO_OUT_CLK_RSP_CMPLT_IDX, 1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3961 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 3962 | ipa3_ctx->smp2p_info.res_sent = true; |
| 3963 | IPADBG("IPA clocks are %s\n", |
| 3964 | ipa3_ctx->smp2p_info.ipa_clk_on ? "ON" : "OFF"); |
| 3965 | } |
| 3966 | |
| 3967 | void ipa3_reset_freeze_vote(void) |
| 3968 | { |
| 3969 | if (ipa3_ctx->smp2p_info.res_sent == false) |
| 3970 | return; |
| 3971 | |
| 3972 | if (ipa3_ctx->smp2p_info.ipa_clk_on) |
| 3973 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("FREEZE_VOTE"); |
| 3974 | |
| 3975 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 3976 | IPA_GPIO_OUT_CLK_VOTE_IDX, 0); |
| 3977 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 3978 | IPA_GPIO_OUT_CLK_RSP_CMPLT_IDX, 0); |
| 3979 | |
| 3980 | ipa3_ctx->smp2p_info.res_sent = false; |
| 3981 | ipa3_ctx->smp2p_info.ipa_clk_on = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3982 | } |
| 3983 | |
| 3984 | static int ipa3_panic_notifier(struct notifier_block *this, |
| 3985 | unsigned long event, void *ptr) |
| 3986 | { |
| 3987 | int res; |
| 3988 | |
| 3989 | ipa3_freeze_clock_vote_and_notify_modem(); |
| 3990 | |
| 3991 | IPADBG("Calling uC panic handler\n"); |
| 3992 | res = ipa3_uc_panic_notifier(this, event, ptr); |
| 3993 | if (res) |
| 3994 | IPAERR("uC panic handler failed %d\n", res); |
| 3995 | |
| 3996 | return NOTIFY_DONE; |
| 3997 | } |
| 3998 | |
| 3999 | static struct notifier_block ipa3_panic_blk = { |
| 4000 | .notifier_call = ipa3_panic_notifier, |
| 4001 | /* IPA panic handler needs to run before modem shuts down */ |
| 4002 | .priority = INT_MAX, |
| 4003 | }; |
| 4004 | |
| 4005 | static void ipa3_register_panic_hdlr(void) |
| 4006 | { |
| 4007 | atomic_notifier_chain_register(&panic_notifier_list, |
| 4008 | &ipa3_panic_blk); |
| 4009 | } |
| 4010 | |
| 4011 | static void ipa3_trigger_ipa_ready_cbs(void) |
| 4012 | { |
| 4013 | struct ipa3_ready_cb_info *info; |
| 4014 | |
| 4015 | mutex_lock(&ipa3_ctx->lock); |
| 4016 | |
| 4017 | /* Call all the CBs */ |
| 4018 | list_for_each_entry(info, &ipa3_ctx->ipa_ready_cb_list, link) |
| 4019 | if (info->ready_cb) |
| 4020 | info->ready_cb(info->user_data); |
| 4021 | |
| 4022 | mutex_unlock(&ipa3_ctx->lock); |
| 4023 | } |
| 4024 | |
| 4025 | static int ipa3_gsi_pre_fw_load_init(void) |
| 4026 | { |
| 4027 | int result; |
| 4028 | |
| 4029 | result = gsi_configure_regs(ipa3_res.transport_mem_base, |
| 4030 | ipa3_res.transport_mem_size, |
| 4031 | ipa3_res.ipa_mem_base); |
| 4032 | if (result) { |
| 4033 | IPAERR("Failed to configure GSI registers\n"); |
| 4034 | return -EINVAL; |
| 4035 | } |
| 4036 | |
| 4037 | return 0; |
| 4038 | } |
| 4039 | |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4040 | static void ipa3_uc_is_loaded(void) |
| 4041 | { |
| 4042 | IPADBG("\n"); |
| 4043 | complete_all(&ipa3_ctx->uc_loaded_completion_obj); |
| 4044 | } |
| 4045 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 4046 | static enum gsi_ver ipa3_get_gsi_ver(enum ipa_hw_type ipa_hw_type) |
| 4047 | { |
| 4048 | enum gsi_ver gsi_ver; |
| 4049 | |
| 4050 | switch (ipa_hw_type) { |
| 4051 | case IPA_HW_v3_0: |
| 4052 | case IPA_HW_v3_1: |
| 4053 | gsi_ver = GSI_VER_1_0; |
| 4054 | break; |
| 4055 | case IPA_HW_v3_5: |
| 4056 | gsi_ver = GSI_VER_1_2; |
| 4057 | break; |
| 4058 | case IPA_HW_v3_5_1: |
| 4059 | gsi_ver = GSI_VER_1_3; |
| 4060 | break; |
Michael Adisumarta | 891a4ff | 2017-05-16 16:40:06 -0700 | [diff] [blame] | 4061 | case IPA_HW_v4_0: |
| 4062 | gsi_ver = GSI_VER_2_0; |
| 4063 | break; |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 4064 | default: |
| 4065 | IPAERR("No GSI version for ipa type %d\n", ipa_hw_type); |
| 4066 | WARN_ON(1); |
| 4067 | gsi_ver = GSI_VER_ERR; |
| 4068 | } |
| 4069 | |
| 4070 | IPADBG("GSI version %d\n", gsi_ver); |
| 4071 | |
| 4072 | return gsi_ver; |
| 4073 | } |
| 4074 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4075 | /** |
| 4076 | * ipa3_post_init() - Initialize the IPA Driver (Part II). |
| 4077 | * This part contains all initialization which requires interaction with |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4078 | * IPA HW (via GSI). |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4079 | * |
| 4080 | * @resource_p: contain platform specific values from DST file |
| 4081 | * @pdev: The platform device structure representing the IPA driver |
| 4082 | * |
| 4083 | * Function initialization process: |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4084 | * - Initialize endpoints bitmaps |
| 4085 | * - Initialize resource groups min and max values |
| 4086 | * - Initialize filtering lists heads and idr |
| 4087 | * - Initialize interrupts |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4088 | * - Register GSI |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4089 | * - Setup APPS pipes |
| 4090 | * - Initialize tethering bridge |
| 4091 | * - Initialize IPA debugfs |
| 4092 | * - Initialize IPA uC interface |
| 4093 | * - Initialize WDI interface |
| 4094 | * - Initialize USB interface |
| 4095 | * - Register for panic handler |
| 4096 | * - Trigger IPA ready callbacks (to all subscribers) |
| 4097 | * - Trigger IPA completion object (to all who wait on it) |
| 4098 | */ |
| 4099 | static int ipa3_post_init(const struct ipa3_plat_drv_res *resource_p, |
| 4100 | struct device *ipa_dev) |
| 4101 | { |
| 4102 | int result; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4103 | struct gsi_per_props gsi_props; |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4104 | struct ipa3_uc_hdlrs uc_hdlrs = { 0 }; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4105 | struct ipa3_flt_tbl *flt_tbl; |
| 4106 | int i; |
| 4107 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 4108 | if (ipa3_ctx == NULL) { |
| 4109 | IPADBG("IPA driver haven't initialized\n"); |
| 4110 | return -ENXIO; |
| 4111 | } |
| 4112 | |
| 4113 | /* Prevent consequent calls from trying to load the FW again. */ |
| 4114 | if (ipa3_ctx->ipa_initialization_complete) |
| 4115 | return 0; |
| 4116 | |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4117 | /* |
| 4118 | * indication whether working in MHI config or non MHI config is given |
| 4119 | * in ipa3_write which is launched before ipa3_post_init. i.e. from |
| 4120 | * this point it is safe to use ipa3_ep_mapping array and the correct |
| 4121 | * entry will be returned from ipa3_get_hw_type_index() |
| 4122 | */ |
| 4123 | ipa_init_ep_flt_bitmap(); |
| 4124 | IPADBG("EP with flt support bitmap 0x%x (%u pipes)\n", |
| 4125 | ipa3_ctx->ep_flt_bitmap, ipa3_ctx->ep_flt_num); |
| 4126 | |
| 4127 | /* Assign resource limitation to each group */ |
| 4128 | ipa3_set_resorce_groups_min_max_limits(); |
| 4129 | |
| 4130 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 4131 | if (!ipa_is_ep_support_flt(i)) |
| 4132 | continue; |
| 4133 | |
| 4134 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v4]; |
| 4135 | INIT_LIST_HEAD(&flt_tbl->head_flt_rule_list); |
| 4136 | flt_tbl->in_sys[IPA_RULE_HASHABLE] = |
| 4137 | !ipa3_ctx->ip4_flt_tbl_hash_lcl; |
| 4138 | flt_tbl->in_sys[IPA_RULE_NON_HASHABLE] = |
| 4139 | !ipa3_ctx->ip4_flt_tbl_nhash_lcl; |
| 4140 | idr_init(&flt_tbl->rule_ids); |
| 4141 | |
| 4142 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v6]; |
| 4143 | INIT_LIST_HEAD(&flt_tbl->head_flt_rule_list); |
| 4144 | flt_tbl->in_sys[IPA_RULE_HASHABLE] = |
| 4145 | !ipa3_ctx->ip6_flt_tbl_hash_lcl; |
| 4146 | flt_tbl->in_sys[IPA_RULE_NON_HASHABLE] = |
| 4147 | !ipa3_ctx->ip6_flt_tbl_nhash_lcl; |
| 4148 | idr_init(&flt_tbl->rule_ids); |
| 4149 | } |
| 4150 | |
| 4151 | if (!ipa3_ctx->apply_rg10_wa) { |
| 4152 | result = ipa3_init_interrupts(); |
| 4153 | if (result) { |
| 4154 | IPAERR("ipa initialization of interrupts failed\n"); |
| 4155 | result = -ENODEV; |
| 4156 | goto fail_register_device; |
| 4157 | } |
| 4158 | } else { |
| 4159 | IPADBG("Initialization of ipa interrupts skipped\n"); |
| 4160 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4161 | |
Amir Levy | 3afd94a | 2017-01-05 10:19:13 +0200 | [diff] [blame] | 4162 | /* |
Amir Levy | 5cfbb32 | 2017-01-09 14:53:02 +0200 | [diff] [blame] | 4163 | * IPAv3.5 and above requires to disable prefetch for USB in order |
| 4164 | * to allow MBIM to work, currently MBIM is not needed in MHI mode. |
Amir Levy | 3afd94a | 2017-01-05 10:19:13 +0200 | [diff] [blame] | 4165 | */ |
Michael Adisumarta | d68ab11 | 2017-06-14 11:40:06 -0700 | [diff] [blame] | 4166 | if ((ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5 |
| 4167 | && ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) && |
Amir Levy | 5cfbb32 | 2017-01-09 14:53:02 +0200 | [diff] [blame] | 4168 | (!ipa3_ctx->ipa_config_is_mhi)) |
Amir Levy | 3afd94a | 2017-01-05 10:19:13 +0200 | [diff] [blame] | 4169 | ipa3_disable_prefetch(IPA_CLIENT_USB_CONS); |
| 4170 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4171 | memset(&gsi_props, 0, sizeof(gsi_props)); |
| 4172 | gsi_props.ver = ipa3_get_gsi_ver(resource_p->ipa_hw_type); |
| 4173 | gsi_props.ee = resource_p->ee; |
| 4174 | gsi_props.intr = GSI_INTR_IRQ; |
| 4175 | gsi_props.irq = resource_p->transport_irq; |
| 4176 | gsi_props.phys_addr = resource_p->transport_mem_base; |
| 4177 | gsi_props.size = resource_p->transport_mem_size; |
| 4178 | gsi_props.notify_cb = ipa_gsi_notify_cb; |
| 4179 | gsi_props.req_clk_cb = NULL; |
| 4180 | gsi_props.rel_clk_cb = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4181 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4182 | result = gsi_register_device(&gsi_props, |
| 4183 | &ipa3_ctx->gsi_dev_hdl); |
| 4184 | if (result != GSI_STATUS_SUCCESS) { |
| 4185 | IPAERR(":gsi register error - %d\n", result); |
| 4186 | result = -ENODEV; |
| 4187 | goto fail_register_device; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4188 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4189 | IPADBG("IPA gsi is registered\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4190 | |
| 4191 | /* setup the AP-IPA pipes */ |
| 4192 | if (ipa3_setup_apps_pipes()) { |
| 4193 | IPAERR(":failed to setup IPA-Apps pipes\n"); |
| 4194 | result = -ENODEV; |
| 4195 | goto fail_setup_apps_pipes; |
| 4196 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4197 | IPADBG("IPA GPI pipes were connected\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4198 | |
| 4199 | if (ipa3_ctx->use_ipa_teth_bridge) { |
| 4200 | /* Initialize the tethering bridge driver */ |
| 4201 | result = ipa3_teth_bridge_driver_init(); |
| 4202 | if (result) { |
| 4203 | IPAERR(":teth_bridge init failed (%d)\n", -result); |
| 4204 | result = -ENODEV; |
| 4205 | goto fail_teth_bridge_driver_init; |
| 4206 | } |
| 4207 | IPADBG("teth_bridge initialized"); |
| 4208 | } |
| 4209 | |
| 4210 | ipa3_debugfs_init(); |
| 4211 | |
| 4212 | result = ipa3_uc_interface_init(); |
| 4213 | if (result) |
| 4214 | IPAERR(":ipa Uc interface init failed (%d)\n", -result); |
| 4215 | else |
| 4216 | IPADBG(":ipa Uc interface init ok\n"); |
| 4217 | |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4218 | uc_hdlrs.ipa_uc_loaded_hdlr = ipa3_uc_is_loaded; |
| 4219 | ipa3_uc_register_handlers(IPA_HW_FEATURE_COMMON, &uc_hdlrs); |
| 4220 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4221 | result = ipa3_wdi_init(); |
| 4222 | if (result) |
| 4223 | IPAERR(":wdi init failed (%d)\n", -result); |
| 4224 | else |
| 4225 | IPADBG(":wdi init ok\n"); |
| 4226 | |
| 4227 | result = ipa3_ntn_init(); |
| 4228 | if (result) |
| 4229 | IPAERR(":ntn init failed (%d)\n", -result); |
| 4230 | else |
| 4231 | IPADBG(":ntn init ok\n"); |
| 4232 | |
| 4233 | ipa3_register_panic_hdlr(); |
| 4234 | |
| 4235 | ipa3_ctx->q6_proxy_clk_vote_valid = true; |
| 4236 | |
| 4237 | mutex_lock(&ipa3_ctx->lock); |
| 4238 | ipa3_ctx->ipa_initialization_complete = true; |
| 4239 | mutex_unlock(&ipa3_ctx->lock); |
| 4240 | |
| 4241 | ipa3_trigger_ipa_ready_cbs(); |
| 4242 | complete_all(&ipa3_ctx->init_completion_obj); |
| 4243 | pr_info("IPA driver initialization was successful.\n"); |
| 4244 | |
| 4245 | return 0; |
| 4246 | |
| 4247 | fail_teth_bridge_driver_init: |
| 4248 | ipa3_teardown_apps_pipes(); |
| 4249 | fail_setup_apps_pipes: |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4250 | gsi_deregister_device(ipa3_ctx->gsi_dev_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4251 | fail_register_device: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4252 | ipa3_destroy_flt_tbl_idrs(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4253 | return result; |
| 4254 | } |
| 4255 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 4256 | static void ipa3_post_init_wq(struct work_struct *work) |
| 4257 | { |
| 4258 | ipa3_post_init(&ipa3_res, ipa3_ctx->dev); |
| 4259 | } |
| 4260 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4261 | static int ipa3_trigger_fw_loading_mdms(void) |
| 4262 | { |
| 4263 | int result; |
| 4264 | const struct firmware *fw; |
| 4265 | |
| 4266 | IPADBG("FW loading process initiated\n"); |
| 4267 | |
| 4268 | result = request_firmware(&fw, IPA_FWS_PATH, ipa3_ctx->dev); |
| 4269 | if (result < 0) { |
| 4270 | IPAERR("request_firmware failed, error %d\n", result); |
| 4271 | return result; |
| 4272 | } |
| 4273 | if (fw == NULL) { |
| 4274 | IPAERR("Firmware is NULL!\n"); |
| 4275 | return -EINVAL; |
| 4276 | } |
| 4277 | |
| 4278 | IPADBG("FWs are available for loading\n"); |
| 4279 | |
Ghanim Fodi | 37b6495 | 2017-01-24 15:42:30 +0200 | [diff] [blame] | 4280 | result = ipa3_load_fws(fw, ipa3_res.transport_mem_base); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4281 | if (result) { |
| 4282 | IPAERR("IPA FWs loading has failed\n"); |
| 4283 | release_firmware(fw); |
| 4284 | return result; |
| 4285 | } |
| 4286 | |
| 4287 | result = gsi_enable_fw(ipa3_res.transport_mem_base, |
Amir Levy | 85dcd17 | 2016-12-06 17:47:39 +0200 | [diff] [blame] | 4288 | ipa3_res.transport_mem_size, |
| 4289 | ipa3_get_gsi_ver(ipa3_res.ipa_hw_type)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4290 | if (result) { |
| 4291 | IPAERR("Failed to enable GSI FW\n"); |
| 4292 | release_firmware(fw); |
| 4293 | return result; |
| 4294 | } |
| 4295 | |
| 4296 | release_firmware(fw); |
| 4297 | |
| 4298 | IPADBG("FW loading process is complete\n"); |
| 4299 | return 0; |
| 4300 | } |
| 4301 | |
| 4302 | static int ipa3_trigger_fw_loading_msms(void) |
| 4303 | { |
| 4304 | void *subsystem_get_retval = NULL; |
| 4305 | |
| 4306 | IPADBG("FW loading process initiated\n"); |
| 4307 | |
| 4308 | subsystem_get_retval = subsystem_get(IPA_SUBSYSTEM_NAME); |
| 4309 | if (IS_ERR_OR_NULL(subsystem_get_retval)) { |
| 4310 | IPAERR("Unable to trigger PIL process for FW loading\n"); |
| 4311 | return -EINVAL; |
| 4312 | } |
| 4313 | |
| 4314 | IPADBG("FW loading process is complete\n"); |
| 4315 | return 0; |
| 4316 | } |
| 4317 | |
| 4318 | static ssize_t ipa3_write(struct file *file, const char __user *buf, |
| 4319 | size_t count, loff_t *ppos) |
| 4320 | { |
| 4321 | unsigned long missing; |
| 4322 | int result = -EINVAL; |
| 4323 | |
| 4324 | char dbg_buff[16] = { 0 }; |
| 4325 | |
| 4326 | if (sizeof(dbg_buff) < count + 1) |
| 4327 | return -EFAULT; |
| 4328 | |
| 4329 | missing = copy_from_user(dbg_buff, buf, count); |
| 4330 | |
| 4331 | if (missing) { |
| 4332 | IPAERR("Unable to copy data from user\n"); |
| 4333 | return -EFAULT; |
| 4334 | } |
| 4335 | |
| 4336 | /* Prevent consequent calls from trying to load the FW again. */ |
| 4337 | if (ipa3_is_ready()) |
| 4338 | return count; |
| 4339 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4340 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4341 | |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4342 | if (ipa3_is_msm_device()) { |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4343 | result = ipa3_trigger_fw_loading_msms(); |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4344 | } else { |
| 4345 | if (!strcasecmp(dbg_buff, "MHI")) { |
| 4346 | ipa3_ctx->ipa_config_is_mhi = true; |
| 4347 | pr_info( |
| 4348 | "IPA is loading with MHI configuration\n"); |
| 4349 | } else { |
| 4350 | pr_info( |
| 4351 | "IPA is loading with non MHI configuration\n"); |
| 4352 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4353 | result = ipa3_trigger_fw_loading_mdms(); |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4354 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4355 | /* No IPAv3.x chipsets that don't support FW loading */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4356 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4357 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4358 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4359 | if (result) { |
| 4360 | IPAERR("FW loading process has failed\n"); |
Ghanim Fodi | 24fee1c | 2017-02-12 15:25:53 +0200 | [diff] [blame] | 4361 | return result; |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 4362 | } else { |
| 4363 | queue_work(ipa3_ctx->transport_power_mgmt_wq, |
| 4364 | &ipa3_post_init_work); |
| 4365 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4366 | return count; |
| 4367 | } |
| 4368 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4369 | static int ipa3_tz_unlock_reg(struct ipa3_context *ipa3_ctx) |
| 4370 | { |
| 4371 | int i, size, ret, resp; |
| 4372 | struct tz_smmu_ipa_protect_region_iovec_s *ipa_tz_unlock_vec; |
| 4373 | struct tz_smmu_ipa_protect_region_s cmd_buf; |
| 4374 | |
| 4375 | if (ipa3_ctx && ipa3_ctx->ipa_tz_unlock_reg_num > 0) { |
| 4376 | size = ipa3_ctx->ipa_tz_unlock_reg_num * |
| 4377 | sizeof(struct tz_smmu_ipa_protect_region_iovec_s); |
| 4378 | ipa_tz_unlock_vec = kzalloc(PAGE_ALIGN(size), GFP_KERNEL); |
| 4379 | if (ipa_tz_unlock_vec == NULL) |
| 4380 | return -ENOMEM; |
| 4381 | |
| 4382 | for (i = 0; i < ipa3_ctx->ipa_tz_unlock_reg_num; i++) { |
| 4383 | ipa_tz_unlock_vec[i].input_addr = |
| 4384 | ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr ^ |
| 4385 | (ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr & |
| 4386 | 0xFFF); |
| 4387 | ipa_tz_unlock_vec[i].output_addr = |
| 4388 | ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr ^ |
| 4389 | (ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr & |
| 4390 | 0xFFF); |
| 4391 | ipa_tz_unlock_vec[i].size = |
| 4392 | ipa3_ctx->ipa_tz_unlock_reg[i].size; |
| 4393 | ipa_tz_unlock_vec[i].attr = IPA_TZ_UNLOCK_ATTRIBUTE; |
| 4394 | } |
| 4395 | |
| 4396 | /* pass physical address of command buffer */ |
| 4397 | cmd_buf.iovec_buf = virt_to_phys((void *)ipa_tz_unlock_vec); |
| 4398 | cmd_buf.size_bytes = size; |
| 4399 | |
| 4400 | /* flush cache to DDR */ |
| 4401 | __cpuc_flush_dcache_area((void *)ipa_tz_unlock_vec, size); |
| 4402 | outer_flush_range(cmd_buf.iovec_buf, cmd_buf.iovec_buf + size); |
| 4403 | |
| 4404 | ret = scm_call(SCM_SVC_MP, TZ_MEM_PROTECT_REGION_ID, &cmd_buf, |
| 4405 | sizeof(cmd_buf), &resp, sizeof(resp)); |
| 4406 | if (ret) { |
| 4407 | IPAERR("scm call SCM_SVC_MP failed: %d\n", ret); |
| 4408 | kfree(ipa_tz_unlock_vec); |
| 4409 | return -EFAULT; |
| 4410 | } |
| 4411 | kfree(ipa_tz_unlock_vec); |
| 4412 | } |
| 4413 | return 0; |
| 4414 | } |
| 4415 | |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 4416 | static int ipa3_alloc_pkt_init(void) |
| 4417 | { |
| 4418 | struct ipa_mem_buffer mem; |
| 4419 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 4420 | struct ipahal_imm_cmd_ip_packet_init cmd = {0}; |
| 4421 | int i; |
| 4422 | |
| 4423 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_IP_PACKET_INIT, |
| 4424 | &cmd, false); |
| 4425 | if (!cmd_pyld) { |
| 4426 | IPAERR("failed to construct IMM cmd\n"); |
| 4427 | return -ENOMEM; |
| 4428 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 4429 | ipa3_ctx->pkt_init_imm_opcode = cmd_pyld->opcode; |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 4430 | |
| 4431 | mem.size = cmd_pyld->len * ipa3_ctx->ipa_num_pipes; |
| 4432 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, |
| 4433 | &mem.phys_base, GFP_KERNEL); |
| 4434 | if (!mem.base) { |
| 4435 | IPAERR("failed to alloc DMA buff of size %d\n", mem.size); |
| 4436 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 4437 | return -ENOMEM; |
| 4438 | } |
| 4439 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 4440 | |
| 4441 | memset(mem.base, 0, mem.size); |
| 4442 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 4443 | cmd.destination_pipe_index = i; |
| 4444 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_IP_PACKET_INIT, |
| 4445 | &cmd, false); |
| 4446 | if (!cmd_pyld) { |
| 4447 | IPAERR("failed to construct IMM cmd\n"); |
| 4448 | dma_free_coherent(ipa3_ctx->pdev, |
| 4449 | mem.size, |
| 4450 | mem.base, |
| 4451 | mem.phys_base); |
| 4452 | return -ENOMEM; |
| 4453 | } |
| 4454 | memcpy(mem.base + i * cmd_pyld->len, cmd_pyld->data, |
| 4455 | cmd_pyld->len); |
| 4456 | ipa3_ctx->pkt_init_imm[i] = mem.phys_base + i * cmd_pyld->len; |
| 4457 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 4458 | } |
| 4459 | |
| 4460 | return 0; |
| 4461 | } |
| 4462 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4463 | /** |
| 4464 | * ipa3_pre_init() - Initialize the IPA Driver. |
| 4465 | * This part contains all initialization which doesn't require IPA HW, such |
| 4466 | * as structure allocations and initializations, register writes, etc. |
| 4467 | * |
| 4468 | * @resource_p: contain platform specific values from DST file |
| 4469 | * @pdev: The platform device structure representing the IPA driver |
| 4470 | * |
| 4471 | * Function initialization process: |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4472 | * Allocate memory for the driver context data struct |
| 4473 | * Initializing the ipa3_ctx with : |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4474 | * 1)parsed values from the dts file |
| 4475 | * 2)parameters passed to the module initialization |
| 4476 | * 3)read HW values(such as core memory size) |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4477 | * Map IPA core registers to CPU memory |
| 4478 | * Restart IPA core(HW reset) |
| 4479 | * Initialize the look-aside caches(kmem_cache/slab) for filter, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4480 | * routing and IPA-tree |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4481 | * Create memory pool with 4 objects for DMA operations(each object |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4482 | * is 512Bytes long), this object will be use for tx(A5->IPA) |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4483 | * Initialize lists head(routing, hdr, system pipes) |
| 4484 | * Initialize mutexes (for ipa_ctx and NAT memory mutexes) |
| 4485 | * Initialize spinlocks (for list related to A5<->IPA pipes) |
| 4486 | * Initialize 2 single-threaded work-queue named "ipa rx wq" and "ipa tx wq" |
| 4487 | * Initialize Red-Black-Tree(s) for handles of header,routing rule, |
| 4488 | * routing table ,filtering rule |
| 4489 | * Initialize the filter block by committing IPV4 and IPV6 default rules |
| 4490 | * Create empty routing table in system memory(no committing) |
| 4491 | * Create a char-device for IPA |
| 4492 | * Initialize IPA RM (resource manager) |
| 4493 | * Configure GSI registers (in GSI case) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4494 | */ |
| 4495 | static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p, |
| 4496 | struct device *ipa_dev) |
| 4497 | { |
| 4498 | int result = 0; |
| 4499 | int i; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4500 | struct ipa3_rt_tbl_set *rset; |
| 4501 | struct ipa_active_client_logging_info log_info; |
| 4502 | |
| 4503 | IPADBG("IPA Driver initialization started\n"); |
| 4504 | |
| 4505 | ipa3_ctx = kzalloc(sizeof(*ipa3_ctx), GFP_KERNEL); |
| 4506 | if (!ipa3_ctx) { |
| 4507 | IPAERR(":kzalloc err.\n"); |
| 4508 | result = -ENOMEM; |
| 4509 | goto fail_mem_ctx; |
| 4510 | } |
| 4511 | |
| 4512 | 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] | 4513 | if (ipa3_ctx->logbuf == NULL) |
| 4514 | IPAERR("failed to create IPC log, continue...\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4515 | |
| 4516 | ipa3_ctx->pdev = ipa_dev; |
| 4517 | ipa3_ctx->uc_pdev = ipa_dev; |
| 4518 | ipa3_ctx->smmu_present = smmu_info.present; |
| 4519 | if (!ipa3_ctx->smmu_present) |
| 4520 | ipa3_ctx->smmu_s1_bypass = true; |
| 4521 | else |
| 4522 | ipa3_ctx->smmu_s1_bypass = smmu_info.s1_bypass; |
| 4523 | ipa3_ctx->ipa_wrapper_base = resource_p->ipa_mem_base; |
| 4524 | ipa3_ctx->ipa_wrapper_size = resource_p->ipa_mem_size; |
| 4525 | ipa3_ctx->ipa_hw_type = resource_p->ipa_hw_type; |
| 4526 | ipa3_ctx->ipa3_hw_mode = resource_p->ipa3_hw_mode; |
| 4527 | ipa3_ctx->use_ipa_teth_bridge = resource_p->use_ipa_teth_bridge; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4528 | ipa3_ctx->modem_cfg_emb_pipe_flt = resource_p->modem_cfg_emb_pipe_flt; |
| 4529 | ipa3_ctx->ipa_wdi2 = resource_p->ipa_wdi2; |
| 4530 | ipa3_ctx->use_64_bit_dma_mask = resource_p->use_64_bit_dma_mask; |
| 4531 | ipa3_ctx->wan_rx_ring_size = resource_p->wan_rx_ring_size; |
| 4532 | ipa3_ctx->lan_rx_ring_size = resource_p->lan_rx_ring_size; |
| 4533 | ipa3_ctx->skip_uc_pipe_reset = resource_p->skip_uc_pipe_reset; |
| 4534 | ipa3_ctx->tethered_flow_control = resource_p->tethered_flow_control; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4535 | ipa3_ctx->ee = resource_p->ee; |
| 4536 | ipa3_ctx->apply_rg10_wa = resource_p->apply_rg10_wa; |
| 4537 | ipa3_ctx->gsi_ch20_wa = resource_p->gsi_ch20_wa; |
| 4538 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = false; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4539 | if (resource_p->ipa_tz_unlock_reg) { |
| 4540 | ipa3_ctx->ipa_tz_unlock_reg_num = |
| 4541 | resource_p->ipa_tz_unlock_reg_num; |
| 4542 | ipa3_ctx->ipa_tz_unlock_reg = kcalloc( |
| 4543 | ipa3_ctx->ipa_tz_unlock_reg_num, |
| 4544 | sizeof(*ipa3_ctx->ipa_tz_unlock_reg), |
| 4545 | GFP_KERNEL); |
| 4546 | if (ipa3_ctx->ipa_tz_unlock_reg == NULL) { |
| 4547 | result = -ENOMEM; |
| 4548 | goto fail_tz_unlock_reg; |
| 4549 | } |
| 4550 | for (i = 0; i < ipa3_ctx->ipa_tz_unlock_reg_num; i++) { |
| 4551 | ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr = |
| 4552 | resource_p->ipa_tz_unlock_reg[i].reg_addr; |
| 4553 | ipa3_ctx->ipa_tz_unlock_reg[i].size = |
| 4554 | resource_p->ipa_tz_unlock_reg[i].size; |
| 4555 | } |
| 4556 | } |
| 4557 | |
| 4558 | /* unlock registers for uc */ |
| 4559 | ipa3_tz_unlock_reg(ipa3_ctx); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4560 | |
| 4561 | /* default aggregation parameters */ |
| 4562 | ipa3_ctx->aggregation_type = IPA_MBIM_16; |
| 4563 | ipa3_ctx->aggregation_byte_limit = 1; |
| 4564 | ipa3_ctx->aggregation_time_limit = 0; |
| 4565 | |
| 4566 | ipa3_ctx->ctrl = kzalloc(sizeof(*ipa3_ctx->ctrl), GFP_KERNEL); |
| 4567 | if (!ipa3_ctx->ctrl) { |
| 4568 | IPAERR("memory allocation error for ctrl\n"); |
| 4569 | result = -ENOMEM; |
| 4570 | goto fail_mem_ctrl; |
| 4571 | } |
| 4572 | result = ipa3_controller_static_bind(ipa3_ctx->ctrl, |
| 4573 | ipa3_ctx->ipa_hw_type); |
| 4574 | if (result) { |
| 4575 | IPAERR("fail to static bind IPA ctrl.\n"); |
| 4576 | result = -EFAULT; |
| 4577 | goto fail_bind; |
| 4578 | } |
| 4579 | |
| 4580 | result = ipa3_init_mem_partition(master_dev->of_node); |
| 4581 | if (result) { |
| 4582 | IPAERR(":ipa3_init_mem_partition failed!\n"); |
| 4583 | result = -ENODEV; |
| 4584 | goto fail_init_mem_partition; |
| 4585 | } |
| 4586 | |
| 4587 | if (ipa3_bus_scale_table) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4588 | IPADBG("Use bus scaling info from device tree #usecases=%d\n", |
| 4589 | ipa3_bus_scale_table->num_usecases); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4590 | ipa3_ctx->ctrl->msm_bus_data_ptr = ipa3_bus_scale_table; |
| 4591 | } |
| 4592 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4593 | /* get BUS handle */ |
| 4594 | ipa3_ctx->ipa_bus_hdl = |
| 4595 | msm_bus_scale_register_client( |
| 4596 | ipa3_ctx->ctrl->msm_bus_data_ptr); |
| 4597 | if (!ipa3_ctx->ipa_bus_hdl) { |
| 4598 | IPAERR("fail to register with bus mgr!\n"); |
| 4599 | result = -ENODEV; |
| 4600 | goto fail_bus_reg; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4601 | } |
| 4602 | |
| 4603 | /* get IPA clocks */ |
| 4604 | result = ipa3_get_clks(master_dev); |
| 4605 | if (result) |
| 4606 | goto fail_clk; |
| 4607 | |
| 4608 | /* init active_clients_log after getting ipa-clk */ |
| 4609 | if (ipa3_active_clients_log_init()) |
| 4610 | goto fail_init_active_client; |
| 4611 | |
| 4612 | /* Enable ipa3_ctx->enable_clock_scaling */ |
| 4613 | ipa3_ctx->enable_clock_scaling = 1; |
| 4614 | ipa3_ctx->curr_ipa_clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 4615 | |
| 4616 | /* enable IPA clocks explicitly to allow the initialization */ |
| 4617 | ipa3_enable_clks(); |
| 4618 | |
| 4619 | /* setup IPA register access */ |
| 4620 | IPADBG("Mapping 0x%x\n", resource_p->ipa_mem_base + |
| 4621 | ipa3_ctx->ctrl->ipa_reg_base_ofst); |
| 4622 | ipa3_ctx->mmio = ioremap(resource_p->ipa_mem_base + |
| 4623 | ipa3_ctx->ctrl->ipa_reg_base_ofst, |
| 4624 | resource_p->ipa_mem_size); |
| 4625 | if (!ipa3_ctx->mmio) { |
| 4626 | IPAERR(":ipa-base ioremap err.\n"); |
| 4627 | result = -EFAULT; |
| 4628 | goto fail_remap; |
| 4629 | } |
| 4630 | |
| 4631 | if (ipahal_init(ipa3_ctx->ipa_hw_type, ipa3_ctx->mmio, |
| 4632 | ipa3_ctx->pdev)) { |
| 4633 | IPAERR("fail to init ipahal\n"); |
| 4634 | result = -EFAULT; |
| 4635 | goto fail_ipahal; |
| 4636 | } |
| 4637 | |
| 4638 | result = ipa3_init_hw(); |
| 4639 | if (result) { |
| 4640 | IPAERR(":error initializing HW.\n"); |
| 4641 | result = -ENODEV; |
| 4642 | goto fail_init_hw; |
| 4643 | } |
| 4644 | IPADBG("IPA HW initialization sequence completed"); |
| 4645 | |
| 4646 | ipa3_ctx->ipa_num_pipes = ipa3_get_num_pipes(); |
| 4647 | if (ipa3_ctx->ipa_num_pipes > IPA3_MAX_NUM_PIPES) { |
| 4648 | IPAERR("IPA has more pipes then supported! has %d, max %d\n", |
| 4649 | ipa3_ctx->ipa_num_pipes, IPA3_MAX_NUM_PIPES); |
| 4650 | result = -ENODEV; |
| 4651 | goto fail_init_hw; |
| 4652 | } |
| 4653 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4654 | ipa3_ctx->ctrl->ipa_sram_read_settings(); |
| 4655 | IPADBG("SRAM, size: 0x%x, restricted bytes: 0x%x\n", |
| 4656 | ipa3_ctx->smem_sz, ipa3_ctx->smem_restricted_bytes); |
| 4657 | |
| 4658 | IPADBG("hdr_lcl=%u ip4_rt_hash=%u ip4_rt_nonhash=%u\n", |
| 4659 | ipa3_ctx->hdr_tbl_lcl, ipa3_ctx->ip4_rt_tbl_hash_lcl, |
| 4660 | ipa3_ctx->ip4_rt_tbl_nhash_lcl); |
| 4661 | |
| 4662 | IPADBG("ip6_rt_hash=%u ip6_rt_nonhash=%u\n", |
| 4663 | ipa3_ctx->ip6_rt_tbl_hash_lcl, ipa3_ctx->ip6_rt_tbl_nhash_lcl); |
| 4664 | |
| 4665 | IPADBG("ip4_flt_hash=%u ip4_flt_nonhash=%u\n", |
| 4666 | ipa3_ctx->ip4_flt_tbl_hash_lcl, |
| 4667 | ipa3_ctx->ip4_flt_tbl_nhash_lcl); |
| 4668 | |
| 4669 | IPADBG("ip6_flt_hash=%u ip6_flt_nonhash=%u\n", |
| 4670 | ipa3_ctx->ip6_flt_tbl_hash_lcl, |
| 4671 | ipa3_ctx->ip6_flt_tbl_nhash_lcl); |
| 4672 | |
| 4673 | if (ipa3_ctx->smem_reqd_sz > ipa3_ctx->smem_sz) { |
| 4674 | IPAERR("SW expect more core memory, needed %d, avail %d\n", |
| 4675 | ipa3_ctx->smem_reqd_sz, ipa3_ctx->smem_sz); |
| 4676 | result = -ENOMEM; |
| 4677 | goto fail_init_hw; |
| 4678 | } |
| 4679 | |
| 4680 | mutex_init(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4681 | IPA_ACTIVE_CLIENTS_PREP_SPECIAL(log_info, "PROXY_CLK_VOTE"); |
| 4682 | ipa3_active_clients_log_inc(&log_info, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4683 | atomic_set(&ipa3_ctx->ipa3_active_clients.cnt, 1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4684 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4685 | /* Create workqueues for power management */ |
| 4686 | ipa3_ctx->power_mgmt_wq = |
| 4687 | create_singlethread_workqueue("ipa_power_mgmt"); |
| 4688 | if (!ipa3_ctx->power_mgmt_wq) { |
| 4689 | IPAERR("failed to create power mgmt wq\n"); |
| 4690 | result = -ENOMEM; |
| 4691 | goto fail_init_hw; |
| 4692 | } |
| 4693 | |
| 4694 | ipa3_ctx->transport_power_mgmt_wq = |
| 4695 | create_singlethread_workqueue("transport_power_mgmt"); |
| 4696 | if (!ipa3_ctx->transport_power_mgmt_wq) { |
| 4697 | IPAERR("failed to create transport power mgmt wq\n"); |
| 4698 | result = -ENOMEM; |
| 4699 | goto fail_create_transport_wq; |
| 4700 | } |
| 4701 | |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 4702 | mutex_init(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4703 | |
| 4704 | /* init the lookaside cache */ |
| 4705 | ipa3_ctx->flt_rule_cache = kmem_cache_create("IPA_FLT", |
| 4706 | sizeof(struct ipa3_flt_entry), 0, 0, NULL); |
| 4707 | if (!ipa3_ctx->flt_rule_cache) { |
| 4708 | IPAERR(":ipa flt cache create failed\n"); |
| 4709 | result = -ENOMEM; |
| 4710 | goto fail_flt_rule_cache; |
| 4711 | } |
| 4712 | ipa3_ctx->rt_rule_cache = kmem_cache_create("IPA_RT", |
| 4713 | sizeof(struct ipa3_rt_entry), 0, 0, NULL); |
| 4714 | if (!ipa3_ctx->rt_rule_cache) { |
| 4715 | IPAERR(":ipa rt cache create failed\n"); |
| 4716 | result = -ENOMEM; |
| 4717 | goto fail_rt_rule_cache; |
| 4718 | } |
| 4719 | ipa3_ctx->hdr_cache = kmem_cache_create("IPA_HDR", |
| 4720 | sizeof(struct ipa3_hdr_entry), 0, 0, NULL); |
| 4721 | if (!ipa3_ctx->hdr_cache) { |
| 4722 | IPAERR(":ipa hdr cache create failed\n"); |
| 4723 | result = -ENOMEM; |
| 4724 | goto fail_hdr_cache; |
| 4725 | } |
| 4726 | ipa3_ctx->hdr_offset_cache = |
| 4727 | kmem_cache_create("IPA_HDR_OFFSET", |
| 4728 | sizeof(struct ipa_hdr_offset_entry), 0, 0, NULL); |
| 4729 | if (!ipa3_ctx->hdr_offset_cache) { |
| 4730 | IPAERR(":ipa hdr off cache create failed\n"); |
| 4731 | result = -ENOMEM; |
| 4732 | goto fail_hdr_offset_cache; |
| 4733 | } |
| 4734 | ipa3_ctx->hdr_proc_ctx_cache = kmem_cache_create("IPA_HDR_PROC_CTX", |
| 4735 | sizeof(struct ipa3_hdr_proc_ctx_entry), 0, 0, NULL); |
| 4736 | if (!ipa3_ctx->hdr_proc_ctx_cache) { |
| 4737 | IPAERR(":ipa hdr proc ctx cache create failed\n"); |
| 4738 | result = -ENOMEM; |
| 4739 | goto fail_hdr_proc_ctx_cache; |
| 4740 | } |
| 4741 | ipa3_ctx->hdr_proc_ctx_offset_cache = |
| 4742 | kmem_cache_create("IPA_HDR_PROC_CTX_OFFSET", |
| 4743 | sizeof(struct ipa3_hdr_proc_ctx_offset_entry), 0, 0, NULL); |
| 4744 | if (!ipa3_ctx->hdr_proc_ctx_offset_cache) { |
| 4745 | IPAERR(":ipa hdr proc ctx off cache create failed\n"); |
| 4746 | result = -ENOMEM; |
| 4747 | goto fail_hdr_proc_ctx_offset_cache; |
| 4748 | } |
| 4749 | ipa3_ctx->rt_tbl_cache = kmem_cache_create("IPA_RT_TBL", |
| 4750 | sizeof(struct ipa3_rt_tbl), 0, 0, NULL); |
| 4751 | if (!ipa3_ctx->rt_tbl_cache) { |
| 4752 | IPAERR(":ipa rt tbl cache create failed\n"); |
| 4753 | result = -ENOMEM; |
| 4754 | goto fail_rt_tbl_cache; |
| 4755 | } |
| 4756 | ipa3_ctx->tx_pkt_wrapper_cache = |
| 4757 | kmem_cache_create("IPA_TX_PKT_WRAPPER", |
| 4758 | sizeof(struct ipa3_tx_pkt_wrapper), 0, 0, NULL); |
| 4759 | if (!ipa3_ctx->tx_pkt_wrapper_cache) { |
| 4760 | IPAERR(":ipa tx pkt wrapper cache create failed\n"); |
| 4761 | result = -ENOMEM; |
| 4762 | goto fail_tx_pkt_wrapper_cache; |
| 4763 | } |
| 4764 | ipa3_ctx->rx_pkt_wrapper_cache = |
| 4765 | kmem_cache_create("IPA_RX_PKT_WRAPPER", |
| 4766 | sizeof(struct ipa3_rx_pkt_wrapper), 0, 0, NULL); |
| 4767 | if (!ipa3_ctx->rx_pkt_wrapper_cache) { |
| 4768 | IPAERR(":ipa rx pkt wrapper cache create failed\n"); |
| 4769 | result = -ENOMEM; |
| 4770 | goto fail_rx_pkt_wrapper_cache; |
| 4771 | } |
| 4772 | |
Skylar Chang | 6c4bec9 | 2017-04-21 16:10:14 -0700 | [diff] [blame] | 4773 | /* allocate memory for DMA_TASK workaround */ |
| 4774 | result = ipa3_allocate_dma_task_for_gsi(); |
| 4775 | if (result) { |
| 4776 | IPAERR("failed to allocate dma task\n"); |
| 4777 | goto fail_dma_task; |
| 4778 | } |
| 4779 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4780 | /* init the various list heads */ |
| 4781 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_hdr_entry_list); |
| 4782 | for (i = 0; i < IPA_HDR_BIN_MAX; i++) { |
| 4783 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_offset_list[i]); |
| 4784 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_free_offset_list[i]); |
| 4785 | } |
| 4786 | INIT_LIST_HEAD(&ipa3_ctx->hdr_proc_ctx_tbl.head_proc_ctx_entry_list); |
| 4787 | for (i = 0; i < IPA_HDR_PROC_CTX_BIN_MAX; i++) { |
| 4788 | INIT_LIST_HEAD(&ipa3_ctx->hdr_proc_ctx_tbl.head_offset_list[i]); |
| 4789 | INIT_LIST_HEAD(&ipa3_ctx-> |
| 4790 | hdr_proc_ctx_tbl.head_free_offset_list[i]); |
| 4791 | } |
| 4792 | INIT_LIST_HEAD(&ipa3_ctx->rt_tbl_set[IPA_IP_v4].head_rt_tbl_list); |
| 4793 | INIT_LIST_HEAD(&ipa3_ctx->rt_tbl_set[IPA_IP_v6].head_rt_tbl_list); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4794 | |
| 4795 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v4]; |
| 4796 | INIT_LIST_HEAD(&rset->head_rt_tbl_list); |
| 4797 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v6]; |
| 4798 | INIT_LIST_HEAD(&rset->head_rt_tbl_list); |
| 4799 | |
| 4800 | INIT_LIST_HEAD(&ipa3_ctx->intf_list); |
| 4801 | INIT_LIST_HEAD(&ipa3_ctx->msg_list); |
| 4802 | INIT_LIST_HEAD(&ipa3_ctx->pull_msg_list); |
| 4803 | init_waitqueue_head(&ipa3_ctx->msg_waitq); |
| 4804 | mutex_init(&ipa3_ctx->msg_lock); |
| 4805 | |
| 4806 | mutex_init(&ipa3_ctx->lock); |
| 4807 | mutex_init(&ipa3_ctx->nat_mem.lock); |
| 4808 | |
| 4809 | idr_init(&ipa3_ctx->ipa_idr); |
| 4810 | spin_lock_init(&ipa3_ctx->idr_lock); |
| 4811 | |
| 4812 | /* wlan related member */ |
| 4813 | memset(&ipa3_ctx->wc_memb, 0, sizeof(ipa3_ctx->wc_memb)); |
| 4814 | spin_lock_init(&ipa3_ctx->wc_memb.wlan_spinlock); |
| 4815 | spin_lock_init(&ipa3_ctx->wc_memb.ipa_tx_mul_spinlock); |
| 4816 | INIT_LIST_HEAD(&ipa3_ctx->wc_memb.wlan_comm_desc_list); |
| 4817 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4818 | ipa3_ctx->class = class_create(THIS_MODULE, DRV_NAME); |
| 4819 | |
| 4820 | result = alloc_chrdev_region(&ipa3_ctx->dev_num, 0, 1, DRV_NAME); |
| 4821 | if (result) { |
| 4822 | IPAERR("alloc_chrdev_region err.\n"); |
| 4823 | result = -ENODEV; |
| 4824 | goto fail_alloc_chrdev_region; |
| 4825 | } |
| 4826 | |
| 4827 | ipa3_ctx->dev = device_create(ipa3_ctx->class, NULL, ipa3_ctx->dev_num, |
| 4828 | ipa3_ctx, DRV_NAME); |
| 4829 | if (IS_ERR(ipa3_ctx->dev)) { |
| 4830 | IPAERR(":device_create err.\n"); |
| 4831 | result = -ENODEV; |
| 4832 | goto fail_device_create; |
| 4833 | } |
| 4834 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4835 | if (ipa3_create_nat_device()) { |
| 4836 | IPAERR("unable to create nat device\n"); |
| 4837 | result = -ENODEV; |
| 4838 | goto fail_nat_dev_add; |
| 4839 | } |
| 4840 | |
| 4841 | /* Create a wakeup source. */ |
| 4842 | wakeup_source_init(&ipa3_ctx->w_lock, "IPA_WS"); |
| 4843 | spin_lock_init(&ipa3_ctx->wakelock_ref_cnt.spinlock); |
| 4844 | |
| 4845 | /* Initialize IPA RM (resource manager) */ |
| 4846 | result = ipa_rm_initialize(); |
| 4847 | if (result) { |
| 4848 | IPAERR("RM initialization failed (%d)\n", -result); |
| 4849 | result = -ENODEV; |
| 4850 | goto fail_ipa_rm_init; |
| 4851 | } |
| 4852 | IPADBG("IPA resource manager initialized"); |
| 4853 | |
| 4854 | result = ipa3_create_apps_resource(); |
| 4855 | if (result) { |
| 4856 | IPAERR("Failed to create APPS_CONS resource\n"); |
| 4857 | result = -ENODEV; |
| 4858 | goto fail_create_apps_resource; |
| 4859 | } |
| 4860 | |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 4861 | result = ipa3_alloc_pkt_init(); |
| 4862 | if (result) { |
| 4863 | IPAERR("Failed to alloc pkt_init payload\n"); |
| 4864 | result = -ENODEV; |
| 4865 | goto fail_create_apps_resource; |
| 4866 | } |
| 4867 | |
Amir Levy | 12ef091 | 2016-08-30 09:27:34 +0300 | [diff] [blame] | 4868 | if (ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5) |
| 4869 | ipa3_enable_dcd(); |
| 4870 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4871 | INIT_LIST_HEAD(&ipa3_ctx->ipa_ready_cb_list); |
| 4872 | |
| 4873 | init_completion(&ipa3_ctx->init_completion_obj); |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4874 | init_completion(&ipa3_ctx->uc_loaded_completion_obj); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4875 | |
| 4876 | /* |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4877 | * We can't register the GSI driver yet, as it expects |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4878 | * the GSI FW to be up and running before the registration. |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4879 | * |
| 4880 | * For IPA3.0, the GSI configuration is done by the GSI driver. |
| 4881 | * For IPA3.1 (and on), the GSI configuration is done by TZ. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4882 | */ |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4883 | if (ipa3_ctx->ipa_hw_type == IPA_HW_v3_0) { |
| 4884 | result = ipa3_gsi_pre_fw_load_init(); |
| 4885 | if (result) { |
| 4886 | IPAERR("gsi pre FW loading config failed\n"); |
| 4887 | result = -ENODEV; |
| 4888 | goto fail_ipa_init_interrupts; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4889 | } |
| 4890 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4891 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 4892 | cdev_init(&ipa3_ctx->cdev, &ipa3_drv_fops); |
| 4893 | ipa3_ctx->cdev.owner = THIS_MODULE; |
| 4894 | ipa3_ctx->cdev.ops = &ipa3_drv_fops; /* from LDD3 */ |
| 4895 | |
| 4896 | result = cdev_add(&ipa3_ctx->cdev, ipa3_ctx->dev_num, 1); |
| 4897 | if (result) { |
| 4898 | IPAERR(":cdev_add err=%d\n", -result); |
| 4899 | result = -ENODEV; |
| 4900 | goto fail_cdev_add; |
| 4901 | } |
| 4902 | IPADBG("ipa cdev added successful. major:%d minor:%d\n", |
| 4903 | MAJOR(ipa3_ctx->dev_num), |
| 4904 | MINOR(ipa3_ctx->dev_num)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4905 | return 0; |
| 4906 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 4907 | fail_cdev_add: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4908 | fail_ipa_init_interrupts: |
| 4909 | ipa_rm_delete_resource(IPA_RM_RESOURCE_APPS_CONS); |
| 4910 | fail_create_apps_resource: |
| 4911 | ipa_rm_exit(); |
| 4912 | fail_ipa_rm_init: |
| 4913 | fail_nat_dev_add: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4914 | device_destroy(ipa3_ctx->class, ipa3_ctx->dev_num); |
| 4915 | fail_device_create: |
| 4916 | unregister_chrdev_region(ipa3_ctx->dev_num, 1); |
| 4917 | fail_alloc_chrdev_region: |
Skylar Chang | 6c4bec9 | 2017-04-21 16:10:14 -0700 | [diff] [blame] | 4918 | ipa3_free_dma_task_for_gsi(); |
| 4919 | fail_dma_task: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4920 | idr_destroy(&ipa3_ctx->ipa_idr); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4921 | kmem_cache_destroy(ipa3_ctx->rx_pkt_wrapper_cache); |
| 4922 | fail_rx_pkt_wrapper_cache: |
| 4923 | kmem_cache_destroy(ipa3_ctx->tx_pkt_wrapper_cache); |
| 4924 | fail_tx_pkt_wrapper_cache: |
| 4925 | kmem_cache_destroy(ipa3_ctx->rt_tbl_cache); |
| 4926 | fail_rt_tbl_cache: |
| 4927 | kmem_cache_destroy(ipa3_ctx->hdr_proc_ctx_offset_cache); |
| 4928 | fail_hdr_proc_ctx_offset_cache: |
| 4929 | kmem_cache_destroy(ipa3_ctx->hdr_proc_ctx_cache); |
| 4930 | fail_hdr_proc_ctx_cache: |
| 4931 | kmem_cache_destroy(ipa3_ctx->hdr_offset_cache); |
| 4932 | fail_hdr_offset_cache: |
| 4933 | kmem_cache_destroy(ipa3_ctx->hdr_cache); |
| 4934 | fail_hdr_cache: |
| 4935 | kmem_cache_destroy(ipa3_ctx->rt_rule_cache); |
| 4936 | fail_rt_rule_cache: |
| 4937 | kmem_cache_destroy(ipa3_ctx->flt_rule_cache); |
| 4938 | fail_flt_rule_cache: |
| 4939 | destroy_workqueue(ipa3_ctx->transport_power_mgmt_wq); |
| 4940 | fail_create_transport_wq: |
| 4941 | destroy_workqueue(ipa3_ctx->power_mgmt_wq); |
| 4942 | fail_init_hw: |
| 4943 | ipahal_destroy(); |
| 4944 | fail_ipahal: |
| 4945 | iounmap(ipa3_ctx->mmio); |
| 4946 | fail_remap: |
| 4947 | ipa3_disable_clks(); |
| 4948 | ipa3_active_clients_log_destroy(); |
| 4949 | fail_init_active_client: |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4950 | if (ipa3_clk) |
| 4951 | clk_put(ipa3_clk); |
| 4952 | ipa3_clk = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4953 | fail_clk: |
| 4954 | msm_bus_scale_unregister_client(ipa3_ctx->ipa_bus_hdl); |
| 4955 | fail_bus_reg: |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4956 | if (ipa3_bus_scale_table) { |
| 4957 | msm_bus_cl_clear_pdata(ipa3_bus_scale_table); |
| 4958 | ipa3_bus_scale_table = NULL; |
| 4959 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4960 | fail_init_mem_partition: |
| 4961 | fail_bind: |
| 4962 | kfree(ipa3_ctx->ctrl); |
| 4963 | fail_mem_ctrl: |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4964 | kfree(ipa3_ctx->ipa_tz_unlock_reg); |
| 4965 | fail_tz_unlock_reg: |
Skylar Chang | 841c145 | 2017-04-03 16:07:22 -0700 | [diff] [blame] | 4966 | if (ipa3_ctx->logbuf) |
| 4967 | ipc_log_context_destroy(ipa3_ctx->logbuf); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4968 | kfree(ipa3_ctx); |
| 4969 | ipa3_ctx = NULL; |
| 4970 | fail_mem_ctx: |
| 4971 | return result; |
| 4972 | } |
| 4973 | |
| 4974 | static int get_ipa_dts_configuration(struct platform_device *pdev, |
| 4975 | struct ipa3_plat_drv_res *ipa_drv_res) |
| 4976 | { |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4977 | int i, result, pos; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4978 | struct resource *resource; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4979 | u32 *ipa_tz_unlock_reg; |
| 4980 | int elem_num; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4981 | |
| 4982 | /* initialize ipa3_res */ |
| 4983 | ipa_drv_res->ipa_pipe_mem_start_ofst = IPA_PIPE_MEM_START_OFST; |
| 4984 | ipa_drv_res->ipa_pipe_mem_size = IPA_PIPE_MEM_SIZE; |
| 4985 | ipa_drv_res->ipa_hw_type = 0; |
| 4986 | ipa_drv_res->ipa3_hw_mode = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4987 | ipa_drv_res->modem_cfg_emb_pipe_flt = false; |
| 4988 | ipa_drv_res->ipa_wdi2 = false; |
| 4989 | ipa_drv_res->use_64_bit_dma_mask = false; |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4990 | ipa_drv_res->use_bw_vote = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4991 | ipa_drv_res->wan_rx_ring_size = IPA_GENERIC_RX_POOL_SZ; |
| 4992 | ipa_drv_res->lan_rx_ring_size = IPA_GENERIC_RX_POOL_SZ; |
| 4993 | ipa_drv_res->apply_rg10_wa = false; |
| 4994 | ipa_drv_res->gsi_ch20_wa = false; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4995 | ipa_drv_res->ipa_tz_unlock_reg_num = 0; |
| 4996 | ipa_drv_res->ipa_tz_unlock_reg = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4997 | |
| 4998 | /* Get IPA HW Version */ |
| 4999 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ipa-hw-ver", |
| 5000 | &ipa_drv_res->ipa_hw_type); |
| 5001 | if ((result) || (ipa_drv_res->ipa_hw_type == 0)) { |
| 5002 | IPAERR(":get resource failed for ipa-hw-ver!\n"); |
| 5003 | return -ENODEV; |
| 5004 | } |
| 5005 | IPADBG(": ipa_hw_type = %d", ipa_drv_res->ipa_hw_type); |
| 5006 | |
| 5007 | if (ipa_drv_res->ipa_hw_type < IPA_HW_v3_0) { |
| 5008 | IPAERR(":IPA version below 3.0 not supported!\n"); |
| 5009 | return -ENODEV; |
| 5010 | } |
| 5011 | |
| 5012 | /* Get IPA HW mode */ |
| 5013 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ipa-hw-mode", |
| 5014 | &ipa_drv_res->ipa3_hw_mode); |
| 5015 | if (result) |
| 5016 | IPADBG("using default (IPA_MODE_NORMAL) for ipa-hw-mode\n"); |
| 5017 | else |
| 5018 | IPADBG(": found ipa_drv_res->ipa3_hw_mode = %d", |
| 5019 | ipa_drv_res->ipa3_hw_mode); |
| 5020 | |
| 5021 | /* Get IPA WAN / LAN RX pool size */ |
| 5022 | result = of_property_read_u32(pdev->dev.of_node, |
| 5023 | "qcom,wan-rx-ring-size", |
| 5024 | &ipa_drv_res->wan_rx_ring_size); |
| 5025 | if (result) |
| 5026 | IPADBG("using default for wan-rx-ring-size = %u\n", |
| 5027 | ipa_drv_res->wan_rx_ring_size); |
| 5028 | else |
| 5029 | IPADBG(": found ipa_drv_res->wan-rx-ring-size = %u", |
| 5030 | ipa_drv_res->wan_rx_ring_size); |
| 5031 | |
| 5032 | result = of_property_read_u32(pdev->dev.of_node, |
| 5033 | "qcom,lan-rx-ring-size", |
| 5034 | &ipa_drv_res->lan_rx_ring_size); |
| 5035 | if (result) |
| 5036 | IPADBG("using default for lan-rx-ring-size = %u\n", |
| 5037 | ipa_drv_res->lan_rx_ring_size); |
| 5038 | else |
| 5039 | IPADBG(": found ipa_drv_res->lan-rx-ring-size = %u", |
| 5040 | ipa_drv_res->lan_rx_ring_size); |
| 5041 | |
| 5042 | ipa_drv_res->use_ipa_teth_bridge = |
| 5043 | of_property_read_bool(pdev->dev.of_node, |
| 5044 | "qcom,use-ipa-tethering-bridge"); |
| 5045 | IPADBG(": using TBDr = %s", |
| 5046 | ipa_drv_res->use_ipa_teth_bridge |
| 5047 | ? "True" : "False"); |
| 5048 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5049 | ipa_drv_res->modem_cfg_emb_pipe_flt = |
| 5050 | of_property_read_bool(pdev->dev.of_node, |
| 5051 | "qcom,modem-cfg-emb-pipe-flt"); |
| 5052 | IPADBG(": modem configure embedded pipe filtering = %s\n", |
| 5053 | ipa_drv_res->modem_cfg_emb_pipe_flt |
| 5054 | ? "True" : "False"); |
| 5055 | |
| 5056 | ipa_drv_res->ipa_wdi2 = |
| 5057 | of_property_read_bool(pdev->dev.of_node, |
| 5058 | "qcom,ipa-wdi2"); |
| 5059 | IPADBG(": WDI-2.0 = %s\n", |
| 5060 | ipa_drv_res->ipa_wdi2 |
| 5061 | ? "True" : "False"); |
| 5062 | |
| 5063 | ipa_drv_res->use_64_bit_dma_mask = |
| 5064 | of_property_read_bool(pdev->dev.of_node, |
| 5065 | "qcom,use-64-bit-dma-mask"); |
| 5066 | IPADBG(": use_64_bit_dma_mask = %s\n", |
| 5067 | ipa_drv_res->use_64_bit_dma_mask |
| 5068 | ? "True" : "False"); |
| 5069 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5070 | ipa_drv_res->use_bw_vote = |
| 5071 | of_property_read_bool(pdev->dev.of_node, |
| 5072 | "qcom,bandwidth-vote-for-ipa"); |
| 5073 | IPADBG(": use_bw_vote = %s\n", |
| 5074 | ipa_drv_res->use_bw_vote |
| 5075 | ? "True" : "False"); |
| 5076 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5077 | ipa_drv_res->skip_uc_pipe_reset = |
| 5078 | of_property_read_bool(pdev->dev.of_node, |
| 5079 | "qcom,skip-uc-pipe-reset"); |
| 5080 | IPADBG(": skip uC pipe reset = %s\n", |
| 5081 | ipa_drv_res->skip_uc_pipe_reset |
| 5082 | ? "True" : "False"); |
| 5083 | |
| 5084 | ipa_drv_res->tethered_flow_control = |
| 5085 | of_property_read_bool(pdev->dev.of_node, |
| 5086 | "qcom,tethered-flow-control"); |
| 5087 | IPADBG(": Use apps based flow control = %s\n", |
| 5088 | ipa_drv_res->tethered_flow_control |
| 5089 | ? "True" : "False"); |
| 5090 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5091 | /* Get IPA wrapper address */ |
| 5092 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 5093 | "ipa-base"); |
| 5094 | if (!resource) { |
| 5095 | IPAERR(":get resource failed for ipa-base!\n"); |
| 5096 | return -ENODEV; |
| 5097 | } |
| 5098 | ipa_drv_res->ipa_mem_base = resource->start; |
| 5099 | ipa_drv_res->ipa_mem_size = resource_size(resource); |
| 5100 | IPADBG(": ipa-base = 0x%x, size = 0x%x\n", |
| 5101 | ipa_drv_res->ipa_mem_base, |
| 5102 | ipa_drv_res->ipa_mem_size); |
| 5103 | |
| 5104 | smmu_info.ipa_base = ipa_drv_res->ipa_mem_base; |
| 5105 | smmu_info.ipa_size = ipa_drv_res->ipa_mem_size; |
| 5106 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5107 | /* Get IPA GSI address */ |
| 5108 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 5109 | "gsi-base"); |
| 5110 | if (!resource) { |
| 5111 | IPAERR(":get resource failed for gsi-base!\n"); |
| 5112 | return -ENODEV; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5113 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5114 | ipa_drv_res->transport_mem_base = resource->start; |
| 5115 | ipa_drv_res->transport_mem_size = resource_size(resource); |
| 5116 | IPADBG(": gsi-base = 0x%x, size = 0x%x\n", |
| 5117 | ipa_drv_res->transport_mem_base, |
| 5118 | ipa_drv_res->transport_mem_size); |
| 5119 | |
| 5120 | /* Get IPA GSI IRQ number */ |
| 5121 | resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 5122 | "gsi-irq"); |
| 5123 | if (!resource) { |
| 5124 | IPAERR(":get resource failed for gsi-irq!\n"); |
| 5125 | return -ENODEV; |
| 5126 | } |
| 5127 | ipa_drv_res->transport_irq = resource->start; |
| 5128 | IPADBG(": gsi-irq = %d\n", ipa_drv_res->transport_irq); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5129 | |
| 5130 | /* Get IPA pipe mem start ofst */ |
| 5131 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 5132 | "ipa-pipe-mem"); |
| 5133 | if (!resource) { |
| 5134 | IPADBG(":not using pipe memory - resource nonexisting\n"); |
| 5135 | } else { |
| 5136 | ipa_drv_res->ipa_pipe_mem_start_ofst = resource->start; |
| 5137 | ipa_drv_res->ipa_pipe_mem_size = resource_size(resource); |
| 5138 | IPADBG(":using pipe memory - at 0x%x of size 0x%x\n", |
| 5139 | ipa_drv_res->ipa_pipe_mem_start_ofst, |
| 5140 | ipa_drv_res->ipa_pipe_mem_size); |
| 5141 | } |
| 5142 | |
| 5143 | /* Get IPA IRQ number */ |
| 5144 | resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 5145 | "ipa-irq"); |
| 5146 | if (!resource) { |
| 5147 | IPAERR(":get resource failed for ipa-irq!\n"); |
| 5148 | return -ENODEV; |
| 5149 | } |
| 5150 | ipa_drv_res->ipa_irq = resource->start; |
| 5151 | IPADBG(":ipa-irq = %d\n", ipa_drv_res->ipa_irq); |
| 5152 | |
| 5153 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ee", |
| 5154 | &ipa_drv_res->ee); |
| 5155 | if (result) |
| 5156 | ipa_drv_res->ee = 0; |
| 5157 | |
| 5158 | ipa_drv_res->apply_rg10_wa = |
| 5159 | of_property_read_bool(pdev->dev.of_node, |
| 5160 | "qcom,use-rg10-limitation-mitigation"); |
| 5161 | IPADBG(": Use Register Group 10 limitation mitigation = %s\n", |
| 5162 | ipa_drv_res->apply_rg10_wa |
| 5163 | ? "True" : "False"); |
| 5164 | |
| 5165 | ipa_drv_res->gsi_ch20_wa = |
| 5166 | of_property_read_bool(pdev->dev.of_node, |
| 5167 | "qcom,do-not-use-ch-gsi-20"); |
| 5168 | IPADBG(": GSI CH 20 WA is = %s\n", |
| 5169 | ipa_drv_res->apply_rg10_wa |
| 5170 | ? "Needed" : "Not needed"); |
| 5171 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5172 | elem_num = of_property_count_elems_of_size(pdev->dev.of_node, |
| 5173 | "qcom,ipa-tz-unlock-reg", sizeof(u32)); |
| 5174 | |
| 5175 | if (elem_num > 0 && elem_num % 2 == 0) { |
| 5176 | ipa_drv_res->ipa_tz_unlock_reg_num = elem_num / 2; |
| 5177 | |
| 5178 | ipa_tz_unlock_reg = kcalloc(elem_num, sizeof(u32), GFP_KERNEL); |
| 5179 | if (ipa_tz_unlock_reg == NULL) |
| 5180 | return -ENOMEM; |
| 5181 | |
| 5182 | ipa_drv_res->ipa_tz_unlock_reg = kcalloc( |
| 5183 | ipa_drv_res->ipa_tz_unlock_reg_num, |
| 5184 | sizeof(*ipa_drv_res->ipa_tz_unlock_reg), |
| 5185 | GFP_KERNEL); |
| 5186 | if (ipa_drv_res->ipa_tz_unlock_reg == NULL) { |
| 5187 | kfree(ipa_tz_unlock_reg); |
| 5188 | return -ENOMEM; |
| 5189 | } |
| 5190 | |
| 5191 | if (of_property_read_u32_array(pdev->dev.of_node, |
| 5192 | "qcom,ipa-tz-unlock-reg", ipa_tz_unlock_reg, |
| 5193 | elem_num)) { |
| 5194 | IPAERR("failed to read register addresses\n"); |
| 5195 | kfree(ipa_tz_unlock_reg); |
| 5196 | kfree(ipa_drv_res->ipa_tz_unlock_reg); |
| 5197 | return -EFAULT; |
| 5198 | } |
| 5199 | |
| 5200 | pos = 0; |
| 5201 | for (i = 0; i < ipa_drv_res->ipa_tz_unlock_reg_num; i++) { |
| 5202 | ipa_drv_res->ipa_tz_unlock_reg[i].reg_addr = |
| 5203 | ipa_tz_unlock_reg[pos++]; |
| 5204 | ipa_drv_res->ipa_tz_unlock_reg[i].size = |
| 5205 | ipa_tz_unlock_reg[pos++]; |
| 5206 | IPADBG("tz unlock reg %d: addr 0x%pa size %d\n", i, |
| 5207 | &ipa_drv_res->ipa_tz_unlock_reg[i].reg_addr, |
| 5208 | ipa_drv_res->ipa_tz_unlock_reg[i].size); |
| 5209 | } |
| 5210 | kfree(ipa_tz_unlock_reg); |
| 5211 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5212 | return 0; |
| 5213 | } |
| 5214 | |
| 5215 | static int ipa_smmu_wlan_cb_probe(struct device *dev) |
| 5216 | { |
| 5217 | struct ipa_smmu_cb_ctx *cb = ipa3_get_wlan_smmu_ctx(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5218 | int atomic_ctx = 1; |
| 5219 | int fast = 1; |
| 5220 | int bypass = 1; |
| 5221 | int ret; |
| 5222 | u32 add_map_size; |
| 5223 | const u32 *add_map; |
| 5224 | int i; |
| 5225 | |
| 5226 | IPADBG("sub pdev=%p\n", dev); |
| 5227 | |
| 5228 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5229 | cb->iommu = iommu_domain_alloc(dev->bus); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5230 | if (!cb->iommu) { |
| 5231 | IPAERR("could not alloc iommu domain\n"); |
| 5232 | /* assume this failure is because iommu driver is not ready */ |
| 5233 | return -EPROBE_DEFER; |
| 5234 | } |
| 5235 | cb->valid = true; |
| 5236 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5237 | if (smmu_info.s1_bypass) { |
| 5238 | if (iommu_domain_set_attr(cb->iommu, |
| 5239 | DOMAIN_ATTR_S1_BYPASS, |
| 5240 | &bypass)) { |
| 5241 | IPAERR("couldn't set bypass\n"); |
| 5242 | cb->valid = false; |
| 5243 | return -EIO; |
| 5244 | } |
| 5245 | IPADBG("SMMU S1 BYPASS\n"); |
| 5246 | } else { |
| 5247 | if (iommu_domain_set_attr(cb->iommu, |
| 5248 | DOMAIN_ATTR_ATOMIC, |
| 5249 | &atomic_ctx)) { |
| 5250 | IPAERR("couldn't disable coherent HTW\n"); |
| 5251 | cb->valid = false; |
| 5252 | return -EIO; |
| 5253 | } |
| 5254 | IPADBG("SMMU ATTR ATOMIC\n"); |
| 5255 | |
| 5256 | if (smmu_info.fast_map) { |
| 5257 | if (iommu_domain_set_attr(cb->iommu, |
| 5258 | DOMAIN_ATTR_FAST, |
| 5259 | &fast)) { |
| 5260 | IPAERR("couldn't set fast map\n"); |
| 5261 | cb->valid = false; |
| 5262 | return -EIO; |
| 5263 | } |
| 5264 | IPADBG("SMMU fast map set\n"); |
| 5265 | } |
| 5266 | } |
| 5267 | |
| 5268 | ret = iommu_attach_device(cb->iommu, dev); |
| 5269 | if (ret) { |
| 5270 | IPAERR("could not attach device ret=%d\n", ret); |
| 5271 | cb->valid = false; |
| 5272 | return ret; |
| 5273 | } |
| 5274 | /* MAP ipa-uc ram */ |
| 5275 | add_map = of_get_property(dev->of_node, |
| 5276 | "qcom,additional-mapping", &add_map_size); |
| 5277 | if (add_map) { |
| 5278 | /* mapping size is an array of 3-tuple of u32 */ |
| 5279 | if (add_map_size % (3 * sizeof(u32))) { |
| 5280 | IPAERR("wrong additional mapping format\n"); |
| 5281 | cb->valid = false; |
| 5282 | return -EFAULT; |
| 5283 | } |
| 5284 | |
| 5285 | /* iterate of each entry of the additional mapping array */ |
| 5286 | for (i = 0; i < add_map_size / sizeof(u32); i += 3) { |
| 5287 | u32 iova = be32_to_cpu(add_map[i]); |
| 5288 | u32 pa = be32_to_cpu(add_map[i + 1]); |
| 5289 | u32 size = be32_to_cpu(add_map[i + 2]); |
| 5290 | unsigned long iova_p; |
| 5291 | phys_addr_t pa_p; |
| 5292 | u32 size_p; |
| 5293 | |
| 5294 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, |
| 5295 | iova_p, pa_p, size_p); |
| 5296 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 5297 | iova_p, &pa_p, size_p); |
| 5298 | ipa3_iommu_map(cb->iommu, |
| 5299 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5300 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5301 | } |
| 5302 | } |
| 5303 | return 0; |
| 5304 | } |
| 5305 | |
| 5306 | static int ipa_smmu_uc_cb_probe(struct device *dev) |
| 5307 | { |
| 5308 | struct ipa_smmu_cb_ctx *cb = ipa3_get_uc_smmu_ctx(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5309 | int atomic_ctx = 1; |
| 5310 | int bypass = 1; |
| 5311 | int fast = 1; |
| 5312 | int ret; |
| 5313 | u32 iova_ap_mapping[2]; |
| 5314 | |
| 5315 | IPADBG("UC CB PROBE sub pdev=%p\n", dev); |
| 5316 | |
| 5317 | ret = of_property_read_u32_array(dev->of_node, "qcom,iova-mapping", |
| 5318 | iova_ap_mapping, 2); |
| 5319 | if (ret) { |
| 5320 | IPAERR("Fail to read UC start/size iova addresses\n"); |
| 5321 | return ret; |
| 5322 | } |
| 5323 | cb->va_start = iova_ap_mapping[0]; |
| 5324 | cb->va_size = iova_ap_mapping[1]; |
| 5325 | cb->va_end = cb->va_start + cb->va_size; |
| 5326 | IPADBG("UC va_start=0x%x va_sise=0x%x\n", cb->va_start, cb->va_size); |
| 5327 | |
| 5328 | if (smmu_info.use_64_bit_dma_mask) { |
| 5329 | if (dma_set_mask(dev, DMA_BIT_MASK(64)) || |
| 5330 | dma_set_coherent_mask(dev, DMA_BIT_MASK(64))) { |
| 5331 | IPAERR("DMA set 64bit mask failed\n"); |
| 5332 | return -EOPNOTSUPP; |
| 5333 | } |
| 5334 | } else { |
| 5335 | if (dma_set_mask(dev, DMA_BIT_MASK(32)) || |
| 5336 | dma_set_coherent_mask(dev, DMA_BIT_MASK(32))) { |
| 5337 | IPAERR("DMA set 32bit mask failed\n"); |
| 5338 | return -EOPNOTSUPP; |
| 5339 | } |
| 5340 | } |
| 5341 | IPADBG("UC CB PROBE=%p create IOMMU mapping\n", dev); |
| 5342 | |
| 5343 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5344 | cb->mapping = arm_iommu_create_mapping(dev->bus, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5345 | cb->va_start, cb->va_size); |
| 5346 | if (IS_ERR_OR_NULL(cb->mapping)) { |
| 5347 | IPADBG("Fail to create mapping\n"); |
| 5348 | /* assume this failure is because iommu driver is not ready */ |
| 5349 | return -EPROBE_DEFER; |
| 5350 | } |
| 5351 | IPADBG("SMMU mapping created\n"); |
| 5352 | cb->valid = true; |
| 5353 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5354 | IPADBG("UC CB PROBE sub pdev=%p set attribute\n", dev); |
| 5355 | if (smmu_info.s1_bypass) { |
| 5356 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 5357 | DOMAIN_ATTR_S1_BYPASS, |
| 5358 | &bypass)) { |
| 5359 | IPAERR("couldn't set bypass\n"); |
| 5360 | arm_iommu_release_mapping(cb->mapping); |
| 5361 | cb->valid = false; |
| 5362 | return -EIO; |
| 5363 | } |
| 5364 | IPADBG("SMMU S1 BYPASS\n"); |
| 5365 | } else { |
| 5366 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 5367 | DOMAIN_ATTR_ATOMIC, |
| 5368 | &atomic_ctx)) { |
| 5369 | IPAERR("couldn't set domain as atomic\n"); |
| 5370 | arm_iommu_release_mapping(cb->mapping); |
| 5371 | cb->valid = false; |
| 5372 | return -EIO; |
| 5373 | } |
| 5374 | IPADBG("SMMU atomic set\n"); |
| 5375 | |
| 5376 | if (smmu_info.fast_map) { |
| 5377 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 5378 | DOMAIN_ATTR_FAST, |
| 5379 | &fast)) { |
| 5380 | IPAERR("couldn't set fast map\n"); |
| 5381 | arm_iommu_release_mapping(cb->mapping); |
| 5382 | cb->valid = false; |
| 5383 | return -EIO; |
| 5384 | } |
| 5385 | IPADBG("SMMU fast map set\n"); |
| 5386 | } |
| 5387 | } |
| 5388 | |
| 5389 | IPADBG("UC CB PROBE sub pdev=%p attaching IOMMU device\n", dev); |
| 5390 | ret = arm_iommu_attach_device(cb->dev, cb->mapping); |
| 5391 | if (ret) { |
| 5392 | IPAERR("could not attach device ret=%d\n", ret); |
| 5393 | arm_iommu_release_mapping(cb->mapping); |
| 5394 | cb->valid = false; |
| 5395 | return ret; |
| 5396 | } |
| 5397 | |
| 5398 | cb->next_addr = cb->va_end; |
| 5399 | ipa3_ctx->uc_pdev = dev; |
| 5400 | |
| 5401 | return 0; |
| 5402 | } |
| 5403 | |
| 5404 | static int ipa_smmu_ap_cb_probe(struct device *dev) |
| 5405 | { |
| 5406 | struct ipa_smmu_cb_ctx *cb = ipa3_get_smmu_ctx(); |
| 5407 | int result; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5408 | int atomic_ctx = 1; |
| 5409 | int fast = 1; |
| 5410 | int bypass = 1; |
| 5411 | u32 iova_ap_mapping[2]; |
| 5412 | u32 add_map_size; |
| 5413 | const u32 *add_map; |
| 5414 | void *smem_addr; |
| 5415 | int i; |
| 5416 | |
| 5417 | IPADBG("AP CB probe: sub pdev=%p\n", dev); |
| 5418 | |
| 5419 | result = of_property_read_u32_array(dev->of_node, "qcom,iova-mapping", |
| 5420 | iova_ap_mapping, 2); |
| 5421 | if (result) { |
| 5422 | IPAERR("Fail to read AP start/size iova addresses\n"); |
| 5423 | return result; |
| 5424 | } |
| 5425 | cb->va_start = iova_ap_mapping[0]; |
| 5426 | cb->va_size = iova_ap_mapping[1]; |
| 5427 | cb->va_end = cb->va_start + cb->va_size; |
| 5428 | IPADBG("AP va_start=0x%x va_sise=0x%x\n", cb->va_start, cb->va_size); |
| 5429 | |
| 5430 | if (smmu_info.use_64_bit_dma_mask) { |
| 5431 | if (dma_set_mask(dev, DMA_BIT_MASK(64)) || |
| 5432 | dma_set_coherent_mask(dev, DMA_BIT_MASK(64))) { |
| 5433 | IPAERR("DMA set 64bit mask failed\n"); |
| 5434 | return -EOPNOTSUPP; |
| 5435 | } |
| 5436 | } else { |
| 5437 | if (dma_set_mask(dev, DMA_BIT_MASK(32)) || |
| 5438 | dma_set_coherent_mask(dev, DMA_BIT_MASK(32))) { |
| 5439 | IPAERR("DMA set 32bit mask failed\n"); |
| 5440 | return -EOPNOTSUPP; |
| 5441 | } |
| 5442 | } |
| 5443 | |
| 5444 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5445 | cb->mapping = arm_iommu_create_mapping(dev->bus, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5446 | cb->va_start, cb->va_size); |
| 5447 | if (IS_ERR_OR_NULL(cb->mapping)) { |
| 5448 | IPADBG("Fail to create mapping\n"); |
| 5449 | /* assume this failure is because iommu driver is not ready */ |
| 5450 | return -EPROBE_DEFER; |
| 5451 | } |
| 5452 | IPADBG("SMMU mapping created\n"); |
| 5453 | cb->valid = true; |
| 5454 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5455 | if (smmu_info.s1_bypass) { |
| 5456 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 5457 | DOMAIN_ATTR_S1_BYPASS, |
| 5458 | &bypass)) { |
| 5459 | IPAERR("couldn't set bypass\n"); |
| 5460 | arm_iommu_release_mapping(cb->mapping); |
| 5461 | cb->valid = false; |
| 5462 | return -EIO; |
| 5463 | } |
| 5464 | IPADBG("SMMU S1 BYPASS\n"); |
| 5465 | } else { |
| 5466 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 5467 | DOMAIN_ATTR_ATOMIC, |
| 5468 | &atomic_ctx)) { |
| 5469 | IPAERR("couldn't set domain as atomic\n"); |
| 5470 | arm_iommu_release_mapping(cb->mapping); |
| 5471 | cb->valid = false; |
| 5472 | return -EIO; |
| 5473 | } |
| 5474 | IPADBG("SMMU atomic set\n"); |
| 5475 | |
| 5476 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 5477 | DOMAIN_ATTR_FAST, |
| 5478 | &fast)) { |
| 5479 | IPAERR("couldn't set fast map\n"); |
| 5480 | arm_iommu_release_mapping(cb->mapping); |
| 5481 | cb->valid = false; |
| 5482 | return -EIO; |
| 5483 | } |
| 5484 | IPADBG("SMMU fast map set\n"); |
| 5485 | } |
| 5486 | |
| 5487 | result = arm_iommu_attach_device(cb->dev, cb->mapping); |
| 5488 | if (result) { |
| 5489 | IPAERR("couldn't attach to IOMMU ret=%d\n", result); |
| 5490 | cb->valid = false; |
| 5491 | return result; |
| 5492 | } |
| 5493 | |
| 5494 | add_map = of_get_property(dev->of_node, |
| 5495 | "qcom,additional-mapping", &add_map_size); |
| 5496 | if (add_map) { |
| 5497 | /* mapping size is an array of 3-tuple of u32 */ |
| 5498 | if (add_map_size % (3 * sizeof(u32))) { |
| 5499 | IPAERR("wrong additional mapping format\n"); |
| 5500 | cb->valid = false; |
| 5501 | return -EFAULT; |
| 5502 | } |
| 5503 | |
| 5504 | /* iterate of each entry of the additional mapping array */ |
| 5505 | for (i = 0; i < add_map_size / sizeof(u32); i += 3) { |
| 5506 | u32 iova = be32_to_cpu(add_map[i]); |
| 5507 | u32 pa = be32_to_cpu(add_map[i + 1]); |
| 5508 | u32 size = be32_to_cpu(add_map[i + 2]); |
| 5509 | unsigned long iova_p; |
| 5510 | phys_addr_t pa_p; |
| 5511 | u32 size_p; |
| 5512 | |
| 5513 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, |
| 5514 | iova_p, pa_p, size_p); |
| 5515 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 5516 | iova_p, &pa_p, size_p); |
| 5517 | ipa3_iommu_map(cb->mapping->domain, |
| 5518 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5519 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5520 | } |
| 5521 | } |
| 5522 | |
| 5523 | /* map SMEM memory for IPA table accesses */ |
| 5524 | smem_addr = smem_alloc(SMEM_IPA_FILTER_TABLE, IPA_SMEM_SIZE, |
| 5525 | SMEM_MODEM, 0); |
| 5526 | if (smem_addr) { |
| 5527 | phys_addr_t iova = smem_virt_to_phys(smem_addr); |
| 5528 | phys_addr_t pa = iova; |
| 5529 | unsigned long iova_p; |
| 5530 | phys_addr_t pa_p; |
| 5531 | u32 size_p; |
| 5532 | |
| 5533 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, IPA_SMEM_SIZE, |
| 5534 | iova_p, pa_p, size_p); |
| 5535 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 5536 | iova_p, &pa_p, size_p); |
| 5537 | ipa3_iommu_map(cb->mapping->domain, |
| 5538 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5539 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5540 | } |
| 5541 | |
| 5542 | |
| 5543 | smmu_info.present = true; |
| 5544 | |
| 5545 | if (!ipa3_bus_scale_table) |
| 5546 | ipa3_bus_scale_table = msm_bus_cl_get_pdata(ipa3_pdev); |
| 5547 | |
| 5548 | /* Proceed to real initialization */ |
| 5549 | result = ipa3_pre_init(&ipa3_res, dev); |
| 5550 | if (result) { |
| 5551 | IPAERR("ipa_init failed\n"); |
| 5552 | arm_iommu_detach_device(cb->dev); |
| 5553 | arm_iommu_release_mapping(cb->mapping); |
| 5554 | cb->valid = false; |
| 5555 | return result; |
| 5556 | } |
| 5557 | |
| 5558 | return result; |
| 5559 | } |
| 5560 | |
| 5561 | static irqreturn_t ipa3_smp2p_modem_clk_query_isr(int irq, void *ctxt) |
| 5562 | { |
| 5563 | ipa3_freeze_clock_vote_and_notify_modem(); |
| 5564 | |
| 5565 | return IRQ_HANDLED; |
| 5566 | } |
| 5567 | |
| 5568 | static int ipa3_smp2p_probe(struct device *dev) |
| 5569 | { |
| 5570 | struct device_node *node = dev->of_node; |
| 5571 | int res; |
| 5572 | |
| 5573 | IPADBG("node->name=%s\n", node->name); |
| 5574 | if (strcmp("qcom,smp2pgpio_map_ipa_1_out", node->name) == 0) { |
| 5575 | res = of_get_gpio(node, 0); |
| 5576 | if (res < 0) { |
| 5577 | IPADBG("of_get_gpio returned %d\n", res); |
| 5578 | return res; |
| 5579 | } |
| 5580 | |
| 5581 | ipa3_ctx->smp2p_info.out_base_id = res; |
| 5582 | IPADBG("smp2p out_base_id=%d\n", |
| 5583 | ipa3_ctx->smp2p_info.out_base_id); |
| 5584 | } else if (strcmp("qcom,smp2pgpio_map_ipa_1_in", node->name) == 0) { |
| 5585 | int irq; |
| 5586 | |
| 5587 | res = of_get_gpio(node, 0); |
| 5588 | if (res < 0) { |
| 5589 | IPADBG("of_get_gpio returned %d\n", res); |
| 5590 | return res; |
| 5591 | } |
| 5592 | |
| 5593 | ipa3_ctx->smp2p_info.in_base_id = res; |
| 5594 | IPADBG("smp2p in_base_id=%d\n", |
| 5595 | ipa3_ctx->smp2p_info.in_base_id); |
| 5596 | |
| 5597 | /* register for modem clk query */ |
| 5598 | irq = gpio_to_irq(ipa3_ctx->smp2p_info.in_base_id + |
| 5599 | IPA_GPIO_IN_QUERY_CLK_IDX); |
| 5600 | if (irq < 0) { |
| 5601 | IPAERR("gpio_to_irq failed %d\n", irq); |
| 5602 | return -ENODEV; |
| 5603 | } |
| 5604 | IPADBG("smp2p irq#=%d\n", irq); |
| 5605 | res = request_irq(irq, |
| 5606 | (irq_handler_t)ipa3_smp2p_modem_clk_query_isr, |
| 5607 | IRQF_TRIGGER_RISING, "ipa_smp2p_clk_vote", dev); |
| 5608 | if (res) { |
| 5609 | IPAERR("fail to register smp2p irq=%d\n", irq); |
| 5610 | return -ENODEV; |
| 5611 | } |
| 5612 | res = enable_irq_wake(ipa3_ctx->smp2p_info.in_base_id + |
| 5613 | IPA_GPIO_IN_QUERY_CLK_IDX); |
| 5614 | if (res) |
| 5615 | IPAERR("failed to enable irq wake\n"); |
| 5616 | } |
| 5617 | |
| 5618 | return 0; |
| 5619 | } |
| 5620 | |
| 5621 | int ipa3_plat_drv_probe(struct platform_device *pdev_p, |
| 5622 | struct ipa_api_controller *api_ctrl, |
| 5623 | const struct of_device_id *pdrv_match) |
| 5624 | { |
| 5625 | int result; |
| 5626 | struct device *dev = &pdev_p->dev; |
| 5627 | |
| 5628 | IPADBG("IPA driver probing started\n"); |
| 5629 | IPADBG("dev->of_node->name = %s\n", dev->of_node->name); |
| 5630 | |
| 5631 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-ap-cb")) |
| 5632 | return ipa_smmu_ap_cb_probe(dev); |
| 5633 | |
| 5634 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-wlan-cb")) |
| 5635 | return ipa_smmu_wlan_cb_probe(dev); |
| 5636 | |
| 5637 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-uc-cb")) |
| 5638 | return ipa_smmu_uc_cb_probe(dev); |
| 5639 | |
| 5640 | if (of_device_is_compatible(dev->of_node, |
| 5641 | "qcom,smp2pgpio-map-ipa-1-in")) |
| 5642 | return ipa3_smp2p_probe(dev); |
| 5643 | |
| 5644 | if (of_device_is_compatible(dev->of_node, |
| 5645 | "qcom,smp2pgpio-map-ipa-1-out")) |
| 5646 | return ipa3_smp2p_probe(dev); |
| 5647 | |
| 5648 | master_dev = dev; |
| 5649 | if (!ipa3_pdev) |
| 5650 | ipa3_pdev = pdev_p; |
| 5651 | |
| 5652 | result = get_ipa_dts_configuration(pdev_p, &ipa3_res); |
| 5653 | if (result) { |
| 5654 | IPAERR("IPA dts parsing failed\n"); |
| 5655 | return result; |
| 5656 | } |
| 5657 | |
| 5658 | result = ipa3_bind_api_controller(ipa3_res.ipa_hw_type, api_ctrl); |
| 5659 | if (result) { |
| 5660 | IPAERR("IPA API binding failed\n"); |
| 5661 | return result; |
| 5662 | } |
| 5663 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5664 | if (of_property_read_bool(pdev_p->dev.of_node, "qcom,arm-smmu")) { |
| 5665 | if (of_property_read_bool(pdev_p->dev.of_node, |
| 5666 | "qcom,smmu-s1-bypass")) |
| 5667 | smmu_info.s1_bypass = true; |
| 5668 | if (of_property_read_bool(pdev_p->dev.of_node, |
| 5669 | "qcom,smmu-fast-map")) |
| 5670 | smmu_info.fast_map = true; |
| 5671 | if (of_property_read_bool(pdev_p->dev.of_node, |
| 5672 | "qcom,use-64-bit-dma-mask")) |
| 5673 | smmu_info.use_64_bit_dma_mask = true; |
| 5674 | smmu_info.arm_smmu = true; |
| 5675 | pr_info("IPA smmu_info.s1_bypass=%d smmu_info.fast_map=%d\n", |
| 5676 | smmu_info.s1_bypass, smmu_info.fast_map); |
| 5677 | } else if (of_property_read_bool(pdev_p->dev.of_node, |
| 5678 | "qcom,msm-smmu")) { |
| 5679 | IPAERR("Legacy IOMMU not supported\n"); |
| 5680 | result = -EOPNOTSUPP; |
| 5681 | } else { |
| 5682 | if (of_property_read_bool(pdev_p->dev.of_node, |
| 5683 | "qcom,use-64-bit-dma-mask")) { |
| 5684 | if (dma_set_mask(&pdev_p->dev, DMA_BIT_MASK(64)) || |
| 5685 | dma_set_coherent_mask(&pdev_p->dev, |
| 5686 | DMA_BIT_MASK(64))) { |
| 5687 | IPAERR("DMA set 64bit mask failed\n"); |
| 5688 | return -EOPNOTSUPP; |
| 5689 | } |
| 5690 | } else { |
| 5691 | if (dma_set_mask(&pdev_p->dev, DMA_BIT_MASK(32)) || |
| 5692 | dma_set_coherent_mask(&pdev_p->dev, |
| 5693 | DMA_BIT_MASK(32))) { |
| 5694 | IPAERR("DMA set 32bit mask failed\n"); |
| 5695 | return -EOPNOTSUPP; |
| 5696 | } |
| 5697 | } |
| 5698 | |
| 5699 | if (!ipa3_bus_scale_table) |
| 5700 | ipa3_bus_scale_table = msm_bus_cl_get_pdata(pdev_p); |
| 5701 | /* Proceed to real initialization */ |
| 5702 | result = ipa3_pre_init(&ipa3_res, dev); |
| 5703 | if (result) { |
| 5704 | IPAERR("ipa3_init failed\n"); |
| 5705 | return result; |
| 5706 | } |
| 5707 | } |
| 5708 | |
Ghanim Fodi | 115bf8a | 2017-04-21 01:36:06 -0700 | [diff] [blame] | 5709 | result = of_platform_populate(pdev_p->dev.of_node, |
| 5710 | pdrv_match, NULL, &pdev_p->dev); |
| 5711 | if (result) { |
| 5712 | IPAERR("failed to populate platform\n"); |
| 5713 | return result; |
| 5714 | } |
| 5715 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5716 | return result; |
| 5717 | } |
| 5718 | |
| 5719 | /** |
| 5720 | * ipa3_ap_suspend() - suspend callback for runtime_pm |
| 5721 | * @dev: pointer to device |
| 5722 | * |
| 5723 | * This callback will be invoked by the runtime_pm framework when an AP suspend |
| 5724 | * operation is invoked, usually by pressing a suspend button. |
| 5725 | * |
| 5726 | * Returns -EAGAIN to runtime_pm framework in case IPA is in use by AP. |
| 5727 | * This will postpone the suspend operation until IPA is no longer used by AP. |
| 5728 | */ |
| 5729 | int ipa3_ap_suspend(struct device *dev) |
| 5730 | { |
| 5731 | int i; |
| 5732 | |
| 5733 | IPADBG("Enter...\n"); |
| 5734 | |
| 5735 | /* In case there is a tx/rx handler in polling mode fail to suspend */ |
| 5736 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 5737 | if (ipa3_ctx->ep[i].sys && |
| 5738 | atomic_read(&ipa3_ctx->ep[i].sys->curr_polling_state)) { |
| 5739 | IPAERR("EP %d is in polling state, do not suspend\n", |
| 5740 | i); |
| 5741 | return -EAGAIN; |
| 5742 | } |
| 5743 | } |
| 5744 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5745 | /* |
| 5746 | * Release transport IPA resource without waiting for inactivity timer |
| 5747 | */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5748 | atomic_set(&ipa3_ctx->transport_pm.eot_activity, 0); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5749 | ipa3_transport_release_resource(NULL); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5750 | IPADBG("Exit\n"); |
| 5751 | |
| 5752 | return 0; |
| 5753 | } |
| 5754 | |
| 5755 | /** |
| 5756 | * ipa3_ap_resume() - resume callback for runtime_pm |
| 5757 | * @dev: pointer to device |
| 5758 | * |
| 5759 | * This callback will be invoked by the runtime_pm framework when an AP resume |
| 5760 | * operation is invoked. |
| 5761 | * |
| 5762 | * Always returns 0 since resume should always succeed. |
| 5763 | */ |
| 5764 | int ipa3_ap_resume(struct device *dev) |
| 5765 | { |
| 5766 | return 0; |
| 5767 | } |
| 5768 | |
| 5769 | struct ipa3_context *ipa3_get_ctx(void) |
| 5770 | { |
| 5771 | return ipa3_ctx; |
| 5772 | } |
| 5773 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5774 | static void ipa_gsi_notify_cb(struct gsi_per_notify *notify) |
| 5775 | { |
| 5776 | switch (notify->evt_id) { |
| 5777 | case GSI_PER_EVT_GLOB_ERROR: |
| 5778 | IPAERR("Got GSI_PER_EVT_GLOB_ERROR\n"); |
| 5779 | IPAERR("Err_desc = 0x%04x\n", notify->data.err_desc); |
| 5780 | break; |
| 5781 | case GSI_PER_EVT_GLOB_GP1: |
| 5782 | IPAERR("Got GSI_PER_EVT_GLOB_GP1\n"); |
| 5783 | BUG(); |
| 5784 | break; |
| 5785 | case GSI_PER_EVT_GLOB_GP2: |
| 5786 | IPAERR("Got GSI_PER_EVT_GLOB_GP2\n"); |
| 5787 | BUG(); |
| 5788 | break; |
| 5789 | case GSI_PER_EVT_GLOB_GP3: |
| 5790 | IPAERR("Got GSI_PER_EVT_GLOB_GP3\n"); |
| 5791 | BUG(); |
| 5792 | break; |
| 5793 | case GSI_PER_EVT_GENERAL_BREAK_POINT: |
| 5794 | IPAERR("Got GSI_PER_EVT_GENERAL_BREAK_POINT\n"); |
| 5795 | break; |
| 5796 | case GSI_PER_EVT_GENERAL_BUS_ERROR: |
| 5797 | IPAERR("Got GSI_PER_EVT_GENERAL_BUS_ERROR\n"); |
| 5798 | BUG(); |
| 5799 | break; |
| 5800 | case GSI_PER_EVT_GENERAL_CMD_FIFO_OVERFLOW: |
| 5801 | IPAERR("Got GSI_PER_EVT_GENERAL_CMD_FIFO_OVERFLOW\n"); |
| 5802 | BUG(); |
| 5803 | break; |
| 5804 | case GSI_PER_EVT_GENERAL_MCS_STACK_OVERFLOW: |
| 5805 | IPAERR("Got GSI_PER_EVT_GENERAL_MCS_STACK_OVERFLOW\n"); |
| 5806 | BUG(); |
| 5807 | break; |
| 5808 | default: |
| 5809 | IPAERR("Received unexpected evt: %d\n", |
| 5810 | notify->evt_id); |
| 5811 | BUG(); |
| 5812 | } |
| 5813 | } |
| 5814 | |
| 5815 | int ipa3_register_ipa_ready_cb(void (*ipa_ready_cb)(void *), void *user_data) |
| 5816 | { |
| 5817 | struct ipa3_ready_cb_info *cb_info = NULL; |
| 5818 | |
| 5819 | /* check ipa3_ctx existed or not */ |
| 5820 | if (!ipa3_ctx) { |
| 5821 | IPADBG("IPA driver haven't initialized\n"); |
| 5822 | return -ENXIO; |
| 5823 | } |
| 5824 | mutex_lock(&ipa3_ctx->lock); |
| 5825 | if (ipa3_ctx->ipa_initialization_complete) { |
| 5826 | mutex_unlock(&ipa3_ctx->lock); |
| 5827 | IPADBG("IPA driver finished initialization already\n"); |
| 5828 | return -EEXIST; |
| 5829 | } |
| 5830 | |
| 5831 | cb_info = kmalloc(sizeof(struct ipa3_ready_cb_info), GFP_KERNEL); |
| 5832 | if (!cb_info) { |
| 5833 | mutex_unlock(&ipa3_ctx->lock); |
| 5834 | return -ENOMEM; |
| 5835 | } |
| 5836 | |
| 5837 | cb_info->ready_cb = ipa_ready_cb; |
| 5838 | cb_info->user_data = user_data; |
| 5839 | |
| 5840 | list_add_tail(&cb_info->link, &ipa3_ctx->ipa_ready_cb_list); |
| 5841 | mutex_unlock(&ipa3_ctx->lock); |
| 5842 | |
| 5843 | return 0; |
| 5844 | } |
| 5845 | |
| 5846 | int ipa3_iommu_map(struct iommu_domain *domain, |
| 5847 | unsigned long iova, phys_addr_t paddr, size_t size, int prot) |
| 5848 | { |
| 5849 | struct ipa_smmu_cb_ctx *ap_cb = ipa3_get_smmu_ctx(); |
| 5850 | struct ipa_smmu_cb_ctx *uc_cb = ipa3_get_uc_smmu_ctx(); |
| 5851 | |
| 5852 | IPADBG("domain =0x%p iova 0x%lx\n", domain, iova); |
| 5853 | IPADBG("paddr =0x%pa size 0x%x\n", &paddr, (u32)size); |
| 5854 | |
| 5855 | /* make sure no overlapping */ |
| 5856 | if (domain == ipa3_get_smmu_domain()) { |
| 5857 | if (iova >= ap_cb->va_start && iova < ap_cb->va_end) { |
| 5858 | IPAERR("iommu AP overlap addr 0x%lx\n", iova); |
| 5859 | ipa_assert(); |
| 5860 | return -EFAULT; |
| 5861 | } |
| 5862 | } else if (domain == ipa3_get_wlan_smmu_domain()) { |
| 5863 | /* wlan is one time map */ |
| 5864 | } else if (domain == ipa3_get_uc_smmu_domain()) { |
| 5865 | if (iova >= uc_cb->va_start && iova < uc_cb->va_end) { |
| 5866 | IPAERR("iommu uC overlap addr 0x%lx\n", iova); |
| 5867 | ipa_assert(); |
| 5868 | return -EFAULT; |
| 5869 | } |
| 5870 | } else { |
| 5871 | IPAERR("Unexpected domain 0x%p\n", domain); |
| 5872 | ipa_assert(); |
| 5873 | return -EFAULT; |
| 5874 | } |
| 5875 | |
| 5876 | return iommu_map(domain, iova, paddr, size, prot); |
| 5877 | } |
| 5878 | |
| 5879 | MODULE_LICENSE("GPL v2"); |
| 5880 | MODULE_DESCRIPTION("IPA HW device driver"); |