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 | |
Michael Adisumarta | f01e9fd | 2017-08-31 12:23:51 -0700 | [diff] [blame] | 91 | #define IPA_GSI_CHANNEL_HALT_MIN_SLEEP 5000 |
| 92 | #define IPA_GSI_CHANNEL_HALT_MAX_SLEEP 10000 |
| 93 | #define IPA_GSI_CHANNEL_HALT_MAX_TRY 10 |
| 94 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 95 | /* round addresses for closes page per SMMU requirements */ |
| 96 | #define IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, iova_p, pa_p, size_p) \ |
| 97 | do { \ |
| 98 | (iova_p) = rounddown((iova), PAGE_SIZE); \ |
| 99 | (pa_p) = rounddown((pa), PAGE_SIZE); \ |
| 100 | (size_p) = roundup((size) + (pa) - (pa_p), PAGE_SIZE); \ |
| 101 | } while (0) |
| 102 | |
| 103 | |
| 104 | /* The relative location in /lib/firmware where the FWs will reside */ |
| 105 | #define IPA_FWS_PATH "ipa/ipa_fws.elf" |
| 106 | |
| 107 | #ifdef CONFIG_COMPAT |
| 108 | #define IPA_IOC_ADD_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 109 | IPA_IOCTL_ADD_HDR, \ |
| 110 | compat_uptr_t) |
| 111 | #define IPA_IOC_DEL_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 112 | IPA_IOCTL_DEL_HDR, \ |
| 113 | compat_uptr_t) |
| 114 | #define IPA_IOC_ADD_RT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 115 | IPA_IOCTL_ADD_RT_RULE, \ |
| 116 | compat_uptr_t) |
| 117 | #define IPA_IOC_DEL_RT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 118 | IPA_IOCTL_DEL_RT_RULE, \ |
| 119 | compat_uptr_t) |
| 120 | #define IPA_IOC_ADD_FLT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 121 | IPA_IOCTL_ADD_FLT_RULE, \ |
| 122 | compat_uptr_t) |
| 123 | #define IPA_IOC_DEL_FLT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 124 | IPA_IOCTL_DEL_FLT_RULE, \ |
| 125 | compat_uptr_t) |
| 126 | #define IPA_IOC_GET_RT_TBL32 _IOWR(IPA_IOC_MAGIC, \ |
| 127 | IPA_IOCTL_GET_RT_TBL, \ |
| 128 | compat_uptr_t) |
| 129 | #define IPA_IOC_COPY_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 130 | IPA_IOCTL_COPY_HDR, \ |
| 131 | compat_uptr_t) |
| 132 | #define IPA_IOC_QUERY_INTF32 _IOWR(IPA_IOC_MAGIC, \ |
| 133 | IPA_IOCTL_QUERY_INTF, \ |
| 134 | compat_uptr_t) |
| 135 | #define IPA_IOC_QUERY_INTF_TX_PROPS32 _IOWR(IPA_IOC_MAGIC, \ |
| 136 | IPA_IOCTL_QUERY_INTF_TX_PROPS, \ |
| 137 | compat_uptr_t) |
| 138 | #define IPA_IOC_QUERY_INTF_RX_PROPS32 _IOWR(IPA_IOC_MAGIC, \ |
| 139 | IPA_IOCTL_QUERY_INTF_RX_PROPS, \ |
| 140 | compat_uptr_t) |
| 141 | #define IPA_IOC_QUERY_INTF_EXT_PROPS32 _IOWR(IPA_IOC_MAGIC, \ |
| 142 | IPA_IOCTL_QUERY_INTF_EXT_PROPS, \ |
| 143 | compat_uptr_t) |
| 144 | #define IPA_IOC_GET_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 145 | IPA_IOCTL_GET_HDR, \ |
| 146 | compat_uptr_t) |
| 147 | #define IPA_IOC_ALLOC_NAT_MEM32 _IOWR(IPA_IOC_MAGIC, \ |
| 148 | IPA_IOCTL_ALLOC_NAT_MEM, \ |
| 149 | compat_uptr_t) |
| 150 | #define IPA_IOC_V4_INIT_NAT32 _IOWR(IPA_IOC_MAGIC, \ |
| 151 | IPA_IOCTL_V4_INIT_NAT, \ |
| 152 | compat_uptr_t) |
| 153 | #define IPA_IOC_NAT_DMA32 _IOWR(IPA_IOC_MAGIC, \ |
| 154 | IPA_IOCTL_NAT_DMA, \ |
| 155 | compat_uptr_t) |
| 156 | #define IPA_IOC_V4_DEL_NAT32 _IOWR(IPA_IOC_MAGIC, \ |
| 157 | IPA_IOCTL_V4_DEL_NAT, \ |
| 158 | compat_uptr_t) |
| 159 | #define IPA_IOC_GET_NAT_OFFSET32 _IOWR(IPA_IOC_MAGIC, \ |
| 160 | IPA_IOCTL_GET_NAT_OFFSET, \ |
| 161 | compat_uptr_t) |
| 162 | #define IPA_IOC_PULL_MSG32 _IOWR(IPA_IOC_MAGIC, \ |
| 163 | IPA_IOCTL_PULL_MSG, \ |
| 164 | compat_uptr_t) |
| 165 | #define IPA_IOC_RM_ADD_DEPENDENCY32 _IOWR(IPA_IOC_MAGIC, \ |
| 166 | IPA_IOCTL_RM_ADD_DEPENDENCY, \ |
| 167 | compat_uptr_t) |
| 168 | #define IPA_IOC_RM_DEL_DEPENDENCY32 _IOWR(IPA_IOC_MAGIC, \ |
| 169 | IPA_IOCTL_RM_DEL_DEPENDENCY, \ |
| 170 | compat_uptr_t) |
| 171 | #define IPA_IOC_GENERATE_FLT_EQ32 _IOWR(IPA_IOC_MAGIC, \ |
| 172 | IPA_IOCTL_GENERATE_FLT_EQ, \ |
| 173 | compat_uptr_t) |
| 174 | #define IPA_IOC_QUERY_RT_TBL_INDEX32 _IOWR(IPA_IOC_MAGIC, \ |
| 175 | IPA_IOCTL_QUERY_RT_TBL_INDEX, \ |
| 176 | compat_uptr_t) |
| 177 | #define IPA_IOC_WRITE_QMAPID32 _IOWR(IPA_IOC_MAGIC, \ |
| 178 | IPA_IOCTL_WRITE_QMAPID, \ |
| 179 | compat_uptr_t) |
| 180 | #define IPA_IOC_MDFY_FLT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 181 | IPA_IOCTL_MDFY_FLT_RULE, \ |
| 182 | compat_uptr_t) |
| 183 | #define IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD32 _IOWR(IPA_IOC_MAGIC, \ |
| 184 | IPA_IOCTL_NOTIFY_WAN_UPSTREAM_ROUTE_ADD, \ |
| 185 | compat_uptr_t) |
| 186 | #define IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL32 _IOWR(IPA_IOC_MAGIC, \ |
| 187 | IPA_IOCTL_NOTIFY_WAN_UPSTREAM_ROUTE_DEL, \ |
| 188 | compat_uptr_t) |
| 189 | #define IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED32 _IOWR(IPA_IOC_MAGIC, \ |
| 190 | IPA_IOCTL_NOTIFY_WAN_EMBMS_CONNECTED, \ |
| 191 | compat_uptr_t) |
| 192 | #define IPA_IOC_ADD_HDR_PROC_CTX32 _IOWR(IPA_IOC_MAGIC, \ |
| 193 | IPA_IOCTL_ADD_HDR_PROC_CTX, \ |
| 194 | compat_uptr_t) |
| 195 | #define IPA_IOC_DEL_HDR_PROC_CTX32 _IOWR(IPA_IOC_MAGIC, \ |
| 196 | IPA_IOCTL_DEL_HDR_PROC_CTX, \ |
| 197 | compat_uptr_t) |
| 198 | #define IPA_IOC_MDFY_RT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 199 | IPA_IOCTL_MDFY_RT_RULE, \ |
| 200 | compat_uptr_t) |
| 201 | |
| 202 | /** |
| 203 | * struct ipa3_ioc_nat_alloc_mem32 - nat table memory allocation |
| 204 | * properties |
| 205 | * @dev_name: input parameter, the name of table |
| 206 | * @size: input parameter, size of table in bytes |
| 207 | * @offset: output parameter, offset into page in case of system memory |
| 208 | */ |
| 209 | struct ipa3_ioc_nat_alloc_mem32 { |
| 210 | char dev_name[IPA_RESOURCE_NAME_MAX]; |
| 211 | compat_size_t size; |
| 212 | compat_off_t offset; |
| 213 | }; |
| 214 | #endif |
| 215 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 216 | #define IPA_TZ_UNLOCK_ATTRIBUTE 0x0C0311 |
| 217 | #define TZ_MEM_PROTECT_REGION_ID 0x10 |
| 218 | |
| 219 | struct tz_smmu_ipa_protect_region_iovec_s { |
| 220 | u64 input_addr; |
| 221 | u64 output_addr; |
| 222 | u64 size; |
| 223 | u32 attr; |
| 224 | } __packed; |
| 225 | |
| 226 | struct tz_smmu_ipa_protect_region_s { |
| 227 | phys_addr_t iovec_buf; |
| 228 | u32 size_bytes; |
| 229 | } __packed; |
| 230 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 231 | static void ipa3_start_tag_process(struct work_struct *work); |
| 232 | static DECLARE_WORK(ipa3_tag_work, ipa3_start_tag_process); |
| 233 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 234 | static void ipa3_transport_release_resource(struct work_struct *work); |
| 235 | static DECLARE_DELAYED_WORK(ipa3_transport_release_resource_work, |
| 236 | ipa3_transport_release_resource); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 237 | static void ipa_gsi_notify_cb(struct gsi_per_notify *notify); |
| 238 | |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame^] | 239 | static void ipa3_load_ipa_fw(struct work_struct *work); |
| 240 | static DECLARE_WORK(ipa3_fw_loading_work, ipa3_load_ipa_fw); |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 241 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 242 | static void ipa_dec_clients_disable_clks_on_wq(struct work_struct *work); |
| 243 | static DECLARE_WORK(ipa_dec_clients_disable_clks_on_wq_work, |
| 244 | ipa_dec_clients_disable_clks_on_wq); |
| 245 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 246 | static struct ipa3_plat_drv_res ipa3_res = {0, }; |
| 247 | struct msm_bus_scale_pdata *ipa3_bus_scale_table; |
| 248 | |
| 249 | static struct clk *ipa3_clk; |
| 250 | |
| 251 | struct ipa3_context *ipa3_ctx; |
| 252 | static struct device *master_dev; |
| 253 | struct platform_device *ipa3_pdev; |
| 254 | static struct { |
| 255 | bool present; |
| 256 | bool arm_smmu; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 257 | bool fast_map; |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 258 | bool s1_bypass_arr[IPA_SMMU_CB_MAX]; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 259 | bool use_64_bit_dma_mask; |
| 260 | u32 ipa_base; |
| 261 | u32 ipa_size; |
| 262 | } smmu_info; |
| 263 | |
| 264 | static char *active_clients_table_buf; |
| 265 | |
| 266 | int ipa3_active_clients_log_print_buffer(char *buf, int size) |
| 267 | { |
| 268 | int i; |
| 269 | int nbytes; |
| 270 | int cnt = 0; |
| 271 | int start_idx; |
| 272 | int end_idx; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 273 | unsigned long flags; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 274 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 275 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 276 | start_idx = (ipa3_ctx->ipa3_active_clients_logging.log_tail + 1) % |
| 277 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 278 | end_idx = ipa3_ctx->ipa3_active_clients_logging.log_head; |
| 279 | for (i = start_idx; i != end_idx; |
| 280 | i = (i + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES) { |
| 281 | nbytes = scnprintf(buf + cnt, size - cnt, "%s\n", |
| 282 | ipa3_ctx->ipa3_active_clients_logging |
| 283 | .log_buffer[i]); |
| 284 | cnt += nbytes; |
| 285 | } |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 286 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 287 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 288 | |
| 289 | return cnt; |
| 290 | } |
| 291 | |
| 292 | int ipa3_active_clients_log_print_table(char *buf, int size) |
| 293 | { |
| 294 | int i; |
| 295 | struct ipa3_active_client_htable_entry *iterator; |
| 296 | int cnt = 0; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 297 | unsigned long flags; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 298 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 299 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 300 | cnt = scnprintf(buf, size, "\n---- Active Clients Table ----\n"); |
| 301 | hash_for_each(ipa3_ctx->ipa3_active_clients_logging.htable, i, |
| 302 | iterator, list) { |
| 303 | switch (iterator->type) { |
| 304 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_EP: |
| 305 | cnt += scnprintf(buf + cnt, size - cnt, |
| 306 | "%-40s %-3d ENDPOINT\n", |
| 307 | iterator->id_string, iterator->count); |
| 308 | break; |
| 309 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_SIMPLE: |
| 310 | cnt += scnprintf(buf + cnt, size - cnt, |
| 311 | "%-40s %-3d SIMPLE\n", |
| 312 | iterator->id_string, iterator->count); |
| 313 | break; |
| 314 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_RESOURCE: |
| 315 | cnt += scnprintf(buf + cnt, size - cnt, |
| 316 | "%-40s %-3d RESOURCE\n", |
| 317 | iterator->id_string, iterator->count); |
| 318 | break; |
| 319 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_SPECIAL: |
| 320 | cnt += scnprintf(buf + cnt, size - cnt, |
| 321 | "%-40s %-3d SPECIAL\n", |
| 322 | iterator->id_string, iterator->count); |
| 323 | break; |
| 324 | default: |
| 325 | IPAERR("Trying to print illegal active_clients type"); |
| 326 | break; |
| 327 | } |
| 328 | } |
| 329 | cnt += scnprintf(buf + cnt, size - cnt, |
| 330 | "\nTotal active clients count: %d\n", |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 331 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 332 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 333 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 334 | |
| 335 | return cnt; |
| 336 | } |
| 337 | |
| 338 | static int ipa3_active_clients_panic_notifier(struct notifier_block *this, |
| 339 | unsigned long event, void *ptr) |
| 340 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 341 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 342 | ipa3_active_clients_log_print_table(active_clients_table_buf, |
| 343 | IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE); |
| 344 | IPAERR("%s", active_clients_table_buf); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 345 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 346 | |
| 347 | return NOTIFY_DONE; |
| 348 | } |
| 349 | |
| 350 | static struct notifier_block ipa3_active_clients_panic_blk = { |
| 351 | .notifier_call = ipa3_active_clients_panic_notifier, |
| 352 | }; |
| 353 | |
| 354 | static int ipa3_active_clients_log_insert(const char *string) |
| 355 | { |
| 356 | int head; |
| 357 | int tail; |
| 358 | |
| 359 | if (!ipa3_ctx->ipa3_active_clients_logging.log_rdy) |
| 360 | return -EPERM; |
| 361 | |
| 362 | head = ipa3_ctx->ipa3_active_clients_logging.log_head; |
| 363 | tail = ipa3_ctx->ipa3_active_clients_logging.log_tail; |
| 364 | |
| 365 | memset(ipa3_ctx->ipa3_active_clients_logging.log_buffer[head], '_', |
| 366 | IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN); |
| 367 | strlcpy(ipa3_ctx->ipa3_active_clients_logging.log_buffer[head], string, |
| 368 | (size_t)IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN); |
| 369 | head = (head + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 370 | if (tail == head) |
| 371 | tail = (tail + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 372 | |
| 373 | ipa3_ctx->ipa3_active_clients_logging.log_tail = tail; |
| 374 | ipa3_ctx->ipa3_active_clients_logging.log_head = head; |
| 375 | |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | static int ipa3_active_clients_log_init(void) |
| 380 | { |
| 381 | int i; |
| 382 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 383 | spin_lock_init(&ipa3_ctx->ipa3_active_clients_logging.lock); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 384 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[0] = kzalloc( |
| 385 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES * |
| 386 | sizeof(char[IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN]), |
| 387 | GFP_KERNEL); |
| 388 | active_clients_table_buf = kzalloc(sizeof( |
| 389 | char[IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE]), GFP_KERNEL); |
| 390 | if (ipa3_ctx->ipa3_active_clients_logging.log_buffer == NULL) { |
| 391 | pr_err("Active Clients Logging memory allocation failed"); |
| 392 | goto bail; |
| 393 | } |
| 394 | for (i = 0; i < IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; i++) { |
| 395 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[i] = |
| 396 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[0] + |
| 397 | (IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN * i); |
| 398 | } |
| 399 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 400 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 401 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
| 402 | hash_init(ipa3_ctx->ipa3_active_clients_logging.htable); |
| 403 | atomic_notifier_chain_register(&panic_notifier_list, |
| 404 | &ipa3_active_clients_panic_blk); |
| 405 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = 1; |
| 406 | |
| 407 | return 0; |
| 408 | |
| 409 | bail: |
| 410 | return -ENOMEM; |
| 411 | } |
| 412 | |
| 413 | void ipa3_active_clients_log_clear(void) |
| 414 | { |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 415 | unsigned long flags; |
| 416 | |
| 417 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 418 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 419 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 420 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 421 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 422 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 423 | } |
| 424 | |
| 425 | static void ipa3_active_clients_log_destroy(void) |
| 426 | { |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 427 | unsigned long flags; |
| 428 | |
| 429 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 430 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = 0; |
| 431 | kfree(ipa3_ctx->ipa3_active_clients_logging.log_buffer[0]); |
| 432 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 433 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 434 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 435 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 436 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 437 | } |
| 438 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 439 | static struct ipa_smmu_cb_ctx smmu_cb[IPA_SMMU_CB_MAX]; |
| 440 | |
| 441 | struct iommu_domain *ipa3_get_smmu_domain(void) |
| 442 | { |
| 443 | if (smmu_cb[IPA_SMMU_CB_AP].valid) |
| 444 | return smmu_cb[IPA_SMMU_CB_AP].mapping->domain; |
| 445 | |
| 446 | IPAERR("CB not valid\n"); |
| 447 | |
| 448 | return NULL; |
| 449 | } |
| 450 | |
| 451 | struct iommu_domain *ipa3_get_uc_smmu_domain(void) |
| 452 | { |
| 453 | if (smmu_cb[IPA_SMMU_CB_UC].valid) |
| 454 | return smmu_cb[IPA_SMMU_CB_UC].mapping->domain; |
| 455 | |
| 456 | IPAERR("CB not valid\n"); |
| 457 | |
| 458 | return NULL; |
| 459 | } |
| 460 | |
| 461 | struct iommu_domain *ipa3_get_wlan_smmu_domain(void) |
| 462 | { |
| 463 | if (smmu_cb[IPA_SMMU_CB_WLAN].valid) |
| 464 | return smmu_cb[IPA_SMMU_CB_WLAN].iommu; |
| 465 | |
| 466 | IPAERR("CB not valid\n"); |
| 467 | |
| 468 | return NULL; |
| 469 | } |
| 470 | |
| 471 | |
| 472 | struct device *ipa3_get_dma_dev(void) |
| 473 | { |
| 474 | return ipa3_ctx->pdev; |
| 475 | } |
| 476 | |
| 477 | /** |
| 478 | * ipa3_get_smmu_ctx()- Return the wlan smmu context |
| 479 | * |
| 480 | * Return value: pointer to smmu context address |
| 481 | */ |
| 482 | struct ipa_smmu_cb_ctx *ipa3_get_smmu_ctx(void) |
| 483 | { |
| 484 | return &smmu_cb[IPA_SMMU_CB_AP]; |
| 485 | } |
| 486 | |
| 487 | /** |
| 488 | * ipa3_get_wlan_smmu_ctx()- Return the wlan smmu context |
| 489 | * |
| 490 | * Return value: pointer to smmu context address |
| 491 | */ |
| 492 | struct ipa_smmu_cb_ctx *ipa3_get_wlan_smmu_ctx(void) |
| 493 | { |
| 494 | return &smmu_cb[IPA_SMMU_CB_WLAN]; |
| 495 | } |
| 496 | |
| 497 | /** |
| 498 | * ipa3_get_uc_smmu_ctx()- Return the uc smmu context |
| 499 | * |
| 500 | * Return value: pointer to smmu context address |
| 501 | */ |
| 502 | struct ipa_smmu_cb_ctx *ipa3_get_uc_smmu_ctx(void) |
| 503 | { |
| 504 | return &smmu_cb[IPA_SMMU_CB_UC]; |
| 505 | } |
| 506 | |
| 507 | static int ipa3_open(struct inode *inode, struct file *filp) |
| 508 | { |
| 509 | struct ipa3_context *ctx = NULL; |
| 510 | |
| 511 | IPADBG_LOW("ENTER\n"); |
| 512 | ctx = container_of(inode->i_cdev, struct ipa3_context, cdev); |
| 513 | filp->private_data = ctx; |
| 514 | |
| 515 | return 0; |
| 516 | } |
| 517 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 518 | static void ipa3_wan_msg_free_cb(void *buff, u32 len, u32 type) |
| 519 | { |
| 520 | if (!buff) { |
| 521 | IPAERR("Null buffer\n"); |
| 522 | return; |
| 523 | } |
| 524 | |
| 525 | if (type != WAN_UPSTREAM_ROUTE_ADD && |
| 526 | type != WAN_UPSTREAM_ROUTE_DEL && |
| 527 | type != WAN_EMBMS_CONNECT) { |
| 528 | IPAERR("Wrong type given. buff %p type %d\n", buff, type); |
| 529 | return; |
| 530 | } |
| 531 | |
| 532 | kfree(buff); |
| 533 | } |
| 534 | |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 535 | static int ipa3_send_wan_msg(unsigned long usr_param, uint8_t msg_type, bool is_cache) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 536 | { |
| 537 | int retval; |
| 538 | struct ipa_wan_msg *wan_msg; |
| 539 | struct ipa_msg_meta msg_meta; |
Mohammed Javid | 616bb99 | 2017-10-03 13:10:05 +0530 | [diff] [blame] | 540 | struct ipa_wan_msg cache_wan_msg; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 541 | |
| 542 | wan_msg = kzalloc(sizeof(struct ipa_wan_msg), GFP_KERNEL); |
| 543 | if (!wan_msg) { |
| 544 | IPAERR("no memory\n"); |
| 545 | return -ENOMEM; |
| 546 | } |
| 547 | |
| 548 | if (copy_from_user((u8 *)wan_msg, (u8 *)usr_param, |
| 549 | sizeof(struct ipa_wan_msg))) { |
| 550 | kfree(wan_msg); |
| 551 | return -EFAULT; |
| 552 | } |
| 553 | |
Mohammed Javid | 616bb99 | 2017-10-03 13:10:05 +0530 | [diff] [blame] | 554 | memcpy(&cache_wan_msg, wan_msg, sizeof(cache_wan_msg)); |
| 555 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 556 | memset(&msg_meta, 0, sizeof(struct ipa_msg_meta)); |
| 557 | msg_meta.msg_type = msg_type; |
| 558 | msg_meta.msg_len = sizeof(struct ipa_wan_msg); |
| 559 | retval = ipa3_send_msg(&msg_meta, wan_msg, ipa3_wan_msg_free_cb); |
| 560 | if (retval) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 561 | IPAERR_RL("ipa3_send_msg failed: %d\n", retval); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 562 | kfree(wan_msg); |
| 563 | return retval; |
| 564 | } |
| 565 | |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 566 | if (is_cache) { |
| 567 | mutex_lock(&ipa3_ctx->ipa_cne_evt_lock); |
| 568 | |
| 569 | /* cache the cne event */ |
| 570 | memcpy(&ipa3_ctx->ipa_cne_evt_req_cache[ |
| 571 | ipa3_ctx->num_ipa_cne_evt_req].wan_msg, |
Mohammed Javid | 616bb99 | 2017-10-03 13:10:05 +0530 | [diff] [blame] | 572 | &cache_wan_msg, |
| 573 | sizeof(cache_wan_msg)); |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 574 | |
| 575 | memcpy(&ipa3_ctx->ipa_cne_evt_req_cache[ |
| 576 | ipa3_ctx->num_ipa_cne_evt_req].msg_meta, |
| 577 | &msg_meta, |
| 578 | sizeof(struct ipa_msg_meta)); |
| 579 | |
| 580 | ipa3_ctx->num_ipa_cne_evt_req++; |
| 581 | ipa3_ctx->num_ipa_cne_evt_req %= IPA_MAX_NUM_REQ_CACHE; |
| 582 | mutex_unlock(&ipa3_ctx->ipa_cne_evt_lock); |
| 583 | } |
| 584 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 585 | return 0; |
| 586 | } |
| 587 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 588 | static void ipa3_vlan_l2tp_msg_free_cb(void *buff, u32 len, u32 type) |
| 589 | { |
| 590 | if (!buff) { |
| 591 | IPAERR("Null buffer\n"); |
| 592 | return; |
| 593 | } |
| 594 | |
| 595 | if (type != ADD_VLAN_IFACE && |
| 596 | type != DEL_VLAN_IFACE && |
| 597 | type != ADD_L2TP_VLAN_MAPPING && |
| 598 | type != DEL_L2TP_VLAN_MAPPING) { |
| 599 | IPAERR("Wrong type given. buff %pK type %d\n", buff, type); |
| 600 | return; |
| 601 | } |
| 602 | |
| 603 | kfree(buff); |
| 604 | } |
| 605 | |
| 606 | static int ipa3_send_vlan_l2tp_msg(unsigned long usr_param, uint8_t msg_type) |
| 607 | { |
| 608 | int retval; |
| 609 | struct ipa_ioc_vlan_iface_info *vlan_info; |
| 610 | struct ipa_ioc_l2tp_vlan_mapping_info *mapping_info; |
| 611 | struct ipa_msg_meta msg_meta; |
| 612 | |
| 613 | if (msg_type == ADD_VLAN_IFACE || |
| 614 | msg_type == DEL_VLAN_IFACE) { |
| 615 | vlan_info = kzalloc(sizeof(struct ipa_ioc_vlan_iface_info), |
| 616 | GFP_KERNEL); |
| 617 | if (!vlan_info) { |
| 618 | IPAERR("no memory\n"); |
| 619 | return -ENOMEM; |
| 620 | } |
| 621 | |
| 622 | if (copy_from_user((u8 *)vlan_info, (void __user *)usr_param, |
| 623 | sizeof(struct ipa_ioc_vlan_iface_info))) { |
| 624 | kfree(vlan_info); |
| 625 | return -EFAULT; |
| 626 | } |
| 627 | |
| 628 | memset(&msg_meta, 0, sizeof(msg_meta)); |
| 629 | msg_meta.msg_type = msg_type; |
| 630 | msg_meta.msg_len = sizeof(struct ipa_ioc_vlan_iface_info); |
| 631 | retval = ipa3_send_msg(&msg_meta, vlan_info, |
| 632 | ipa3_vlan_l2tp_msg_free_cb); |
| 633 | if (retval) { |
| 634 | IPAERR("ipa3_send_msg failed: %d\n", retval); |
| 635 | kfree(vlan_info); |
| 636 | return retval; |
| 637 | } |
| 638 | } else if (msg_type == ADD_L2TP_VLAN_MAPPING || |
| 639 | msg_type == DEL_L2TP_VLAN_MAPPING) { |
| 640 | mapping_info = kzalloc(sizeof(struct |
| 641 | ipa_ioc_l2tp_vlan_mapping_info), GFP_KERNEL); |
| 642 | if (!mapping_info) { |
| 643 | IPAERR("no memory\n"); |
| 644 | return -ENOMEM; |
| 645 | } |
| 646 | |
| 647 | if (copy_from_user((u8 *)mapping_info, |
| 648 | (void __user *)usr_param, |
| 649 | sizeof(struct ipa_ioc_l2tp_vlan_mapping_info))) { |
| 650 | kfree(mapping_info); |
| 651 | return -EFAULT; |
| 652 | } |
| 653 | |
| 654 | memset(&msg_meta, 0, sizeof(msg_meta)); |
| 655 | msg_meta.msg_type = msg_type; |
| 656 | msg_meta.msg_len = sizeof(struct |
| 657 | ipa_ioc_l2tp_vlan_mapping_info); |
| 658 | retval = ipa3_send_msg(&msg_meta, mapping_info, |
| 659 | ipa3_vlan_l2tp_msg_free_cb); |
| 660 | if (retval) { |
| 661 | IPAERR("ipa3_send_msg failed: %d\n", retval); |
| 662 | kfree(mapping_info); |
| 663 | return retval; |
| 664 | } |
| 665 | } else { |
| 666 | IPAERR("Unexpected event\n"); |
| 667 | return -EFAULT; |
| 668 | } |
| 669 | |
| 670 | return 0; |
| 671 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 672 | |
| 673 | static long ipa3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) |
| 674 | { |
| 675 | int retval = 0; |
| 676 | u32 pyld_sz; |
| 677 | u8 header[128] = { 0 }; |
| 678 | u8 *param = NULL; |
| 679 | struct ipa_ioc_nat_alloc_mem nat_mem; |
| 680 | struct ipa_ioc_v4_nat_init nat_init; |
| 681 | struct ipa_ioc_v4_nat_del nat_del; |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 682 | struct ipa_ioc_nat_pdn_entry mdfy_pdn; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 683 | struct ipa_ioc_rm_dependency rm_depend; |
| 684 | size_t sz; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 685 | int pre_entry; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 686 | |
| 687 | IPADBG("cmd=%x nr=%d\n", cmd, _IOC_NR(cmd)); |
| 688 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 689 | if (_IOC_TYPE(cmd) != IPA_IOC_MAGIC) |
| 690 | return -ENOTTY; |
| 691 | if (_IOC_NR(cmd) >= IPA_IOCTL_MAX) |
| 692 | return -ENOTTY; |
| 693 | |
Amir Levy | 0553262 | 2016-11-28 12:12:01 +0200 | [diff] [blame] | 694 | if (!ipa3_is_ready()) { |
| 695 | IPAERR("IPA not ready, waiting for init completion\n"); |
| 696 | wait_for_completion(&ipa3_ctx->init_completion_obj); |
| 697 | } |
| 698 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 699 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 700 | |
| 701 | switch (cmd) { |
| 702 | case IPA_IOC_ALLOC_NAT_MEM: |
| 703 | if (copy_from_user((u8 *)&nat_mem, (u8 *)arg, |
| 704 | sizeof(struct ipa_ioc_nat_alloc_mem))) { |
| 705 | retval = -EFAULT; |
| 706 | break; |
| 707 | } |
| 708 | /* null terminate the string */ |
| 709 | nat_mem.dev_name[IPA_RESOURCE_NAME_MAX - 1] = '\0'; |
| 710 | |
| 711 | if (ipa3_allocate_nat_device(&nat_mem)) { |
| 712 | retval = -EFAULT; |
| 713 | break; |
| 714 | } |
| 715 | if (copy_to_user((u8 *)arg, (u8 *)&nat_mem, |
| 716 | sizeof(struct ipa_ioc_nat_alloc_mem))) { |
| 717 | retval = -EFAULT; |
| 718 | break; |
| 719 | } |
| 720 | break; |
| 721 | case IPA_IOC_V4_INIT_NAT: |
| 722 | if (copy_from_user((u8 *)&nat_init, (u8 *)arg, |
| 723 | sizeof(struct ipa_ioc_v4_nat_init))) { |
| 724 | retval = -EFAULT; |
| 725 | break; |
| 726 | } |
| 727 | if (ipa3_nat_init_cmd(&nat_init)) { |
| 728 | retval = -EFAULT; |
| 729 | break; |
| 730 | } |
| 731 | break; |
| 732 | |
| 733 | case IPA_IOC_NAT_DMA: |
| 734 | if (copy_from_user(header, (u8 *)arg, |
| 735 | sizeof(struct ipa_ioc_nat_dma_cmd))) { |
| 736 | retval = -EFAULT; |
| 737 | break; |
| 738 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 739 | pre_entry = |
| 740 | ((struct ipa_ioc_nat_dma_cmd *)header)->entries; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 741 | pyld_sz = |
| 742 | sizeof(struct ipa_ioc_nat_dma_cmd) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 743 | pre_entry * sizeof(struct ipa_ioc_nat_dma_one); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 744 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 745 | if (!param) { |
| 746 | retval = -ENOMEM; |
| 747 | break; |
| 748 | } |
| 749 | |
| 750 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 751 | retval = -EFAULT; |
| 752 | break; |
| 753 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 754 | /* add check in case user-space module compromised */ |
| 755 | if (unlikely(((struct ipa_ioc_nat_dma_cmd *)param)->entries |
| 756 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 757 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 758 | ((struct ipa_ioc_nat_dma_cmd *)param)->entries, |
| 759 | pre_entry); |
| 760 | retval = -EFAULT; |
| 761 | break; |
| 762 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 763 | if (ipa3_nat_dma_cmd((struct ipa_ioc_nat_dma_cmd *)param)) { |
| 764 | retval = -EFAULT; |
| 765 | break; |
| 766 | } |
| 767 | break; |
| 768 | |
| 769 | case IPA_IOC_V4_DEL_NAT: |
| 770 | if (copy_from_user((u8 *)&nat_del, (u8 *)arg, |
| 771 | sizeof(struct ipa_ioc_v4_nat_del))) { |
| 772 | retval = -EFAULT; |
| 773 | break; |
| 774 | } |
| 775 | if (ipa3_nat_del_cmd(&nat_del)) { |
| 776 | retval = -EFAULT; |
| 777 | break; |
| 778 | } |
| 779 | break; |
| 780 | |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 781 | case IPA_IOC_NAT_MODIFY_PDN: |
| 782 | if (copy_from_user((u8 *)&mdfy_pdn, (const void __user *)arg, |
| 783 | sizeof(struct ipa_ioc_nat_pdn_entry))) { |
| 784 | retval = -EFAULT; |
| 785 | break; |
| 786 | } |
Amir Levy | dc65f4c | 2017-07-06 09:49:50 +0300 | [diff] [blame] | 787 | if (ipa3_nat_mdfy_pdn(&mdfy_pdn)) { |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 788 | retval = -EFAULT; |
| 789 | break; |
| 790 | } |
| 791 | break; |
| 792 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 793 | case IPA_IOC_ADD_HDR: |
| 794 | if (copy_from_user(header, (u8 *)arg, |
| 795 | sizeof(struct ipa_ioc_add_hdr))) { |
| 796 | retval = -EFAULT; |
| 797 | break; |
| 798 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 799 | pre_entry = |
| 800 | ((struct ipa_ioc_add_hdr *)header)->num_hdrs; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 801 | pyld_sz = |
| 802 | sizeof(struct ipa_ioc_add_hdr) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 803 | pre_entry * sizeof(struct ipa_hdr_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 804 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 805 | if (!param) { |
| 806 | retval = -ENOMEM; |
| 807 | break; |
| 808 | } |
| 809 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 810 | retval = -EFAULT; |
| 811 | break; |
| 812 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 813 | /* add check in case user-space module compromised */ |
| 814 | if (unlikely(((struct ipa_ioc_add_hdr *)param)->num_hdrs |
| 815 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 816 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 817 | ((struct ipa_ioc_add_hdr *)param)->num_hdrs, |
| 818 | pre_entry); |
| 819 | retval = -EFAULT; |
| 820 | break; |
| 821 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 822 | if (ipa3_add_hdr((struct ipa_ioc_add_hdr *)param)) { |
| 823 | retval = -EFAULT; |
| 824 | break; |
| 825 | } |
| 826 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 827 | retval = -EFAULT; |
| 828 | break; |
| 829 | } |
| 830 | break; |
| 831 | |
| 832 | case IPA_IOC_DEL_HDR: |
| 833 | if (copy_from_user(header, (u8 *)arg, |
| 834 | sizeof(struct ipa_ioc_del_hdr))) { |
| 835 | retval = -EFAULT; |
| 836 | break; |
| 837 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 838 | pre_entry = |
| 839 | ((struct ipa_ioc_del_hdr *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 840 | pyld_sz = |
| 841 | sizeof(struct ipa_ioc_del_hdr) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 842 | pre_entry * sizeof(struct ipa_hdr_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 843 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 844 | if (!param) { |
| 845 | retval = -ENOMEM; |
| 846 | break; |
| 847 | } |
| 848 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 849 | retval = -EFAULT; |
| 850 | break; |
| 851 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 852 | /* add check in case user-space module compromised */ |
| 853 | if (unlikely(((struct ipa_ioc_del_hdr *)param)->num_hdls |
| 854 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 855 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 856 | ((struct ipa_ioc_del_hdr *)param)->num_hdls, |
| 857 | pre_entry); |
| 858 | retval = -EFAULT; |
| 859 | break; |
| 860 | } |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 861 | if (ipa3_del_hdr_by_user((struct ipa_ioc_del_hdr *)param, |
| 862 | true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 863 | retval = -EFAULT; |
| 864 | break; |
| 865 | } |
| 866 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 867 | retval = -EFAULT; |
| 868 | break; |
| 869 | } |
| 870 | break; |
| 871 | |
| 872 | case IPA_IOC_ADD_RT_RULE: |
| 873 | if (copy_from_user(header, (u8 *)arg, |
| 874 | sizeof(struct ipa_ioc_add_rt_rule))) { |
| 875 | retval = -EFAULT; |
| 876 | break; |
| 877 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 878 | pre_entry = |
| 879 | ((struct ipa_ioc_add_rt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 880 | pyld_sz = |
| 881 | sizeof(struct ipa_ioc_add_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 882 | pre_entry * sizeof(struct ipa_rt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 883 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 884 | if (!param) { |
| 885 | retval = -ENOMEM; |
| 886 | break; |
| 887 | } |
| 888 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 889 | retval = -EFAULT; |
| 890 | break; |
| 891 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 892 | /* add check in case user-space module compromised */ |
| 893 | if (unlikely(((struct ipa_ioc_add_rt_rule *)param)->num_rules |
| 894 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 895 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 896 | ((struct ipa_ioc_add_rt_rule *)param)-> |
| 897 | num_rules, |
| 898 | pre_entry); |
| 899 | retval = -EFAULT; |
| 900 | break; |
| 901 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 902 | if (ipa3_add_rt_rule((struct ipa_ioc_add_rt_rule *)param)) { |
| 903 | retval = -EFAULT; |
| 904 | break; |
| 905 | } |
| 906 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 907 | retval = -EFAULT; |
| 908 | break; |
| 909 | } |
| 910 | break; |
| 911 | case IPA_IOC_ADD_RT_RULE_AFTER: |
| 912 | if (copy_from_user(header, (u8 *)arg, |
| 913 | sizeof(struct ipa_ioc_add_rt_rule_after))) { |
| 914 | |
| 915 | retval = -EFAULT; |
| 916 | break; |
| 917 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 918 | pre_entry = |
| 919 | ((struct ipa_ioc_add_rt_rule_after *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 920 | pyld_sz = |
| 921 | sizeof(struct ipa_ioc_add_rt_rule_after) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 922 | pre_entry * sizeof(struct ipa_rt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 923 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 924 | if (!param) { |
| 925 | retval = -ENOMEM; |
| 926 | break; |
| 927 | } |
| 928 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 929 | retval = -EFAULT; |
| 930 | break; |
| 931 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 932 | /* add check in case user-space module compromised */ |
| 933 | if (unlikely(((struct ipa_ioc_add_rt_rule_after *)param)-> |
| 934 | num_rules != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 935 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 936 | ((struct ipa_ioc_add_rt_rule_after *)param)-> |
| 937 | num_rules, |
| 938 | pre_entry); |
| 939 | retval = -EFAULT; |
| 940 | break; |
| 941 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 942 | if (ipa3_add_rt_rule_after( |
| 943 | (struct ipa_ioc_add_rt_rule_after *)param)) { |
| 944 | |
| 945 | retval = -EFAULT; |
| 946 | break; |
| 947 | } |
| 948 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 949 | retval = -EFAULT; |
| 950 | break; |
| 951 | } |
| 952 | break; |
| 953 | |
| 954 | case IPA_IOC_MDFY_RT_RULE: |
| 955 | if (copy_from_user(header, (u8 *)arg, |
| 956 | sizeof(struct ipa_ioc_mdfy_rt_rule))) { |
| 957 | retval = -EFAULT; |
| 958 | break; |
| 959 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 960 | pre_entry = |
| 961 | ((struct ipa_ioc_mdfy_rt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 962 | pyld_sz = |
| 963 | sizeof(struct ipa_ioc_mdfy_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 964 | pre_entry * sizeof(struct ipa_rt_rule_mdfy); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 965 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 966 | if (!param) { |
| 967 | retval = -ENOMEM; |
| 968 | break; |
| 969 | } |
| 970 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 971 | retval = -EFAULT; |
| 972 | break; |
| 973 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 974 | /* add check in case user-space module compromised */ |
| 975 | if (unlikely(((struct ipa_ioc_mdfy_rt_rule *)param)->num_rules |
| 976 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 977 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 978 | ((struct ipa_ioc_mdfy_rt_rule *)param)-> |
| 979 | num_rules, |
| 980 | pre_entry); |
| 981 | retval = -EFAULT; |
| 982 | break; |
| 983 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 984 | if (ipa3_mdfy_rt_rule((struct ipa_ioc_mdfy_rt_rule *)param)) { |
| 985 | retval = -EFAULT; |
| 986 | break; |
| 987 | } |
| 988 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 989 | retval = -EFAULT; |
| 990 | break; |
| 991 | } |
| 992 | break; |
| 993 | |
| 994 | case IPA_IOC_DEL_RT_RULE: |
| 995 | if (copy_from_user(header, (u8 *)arg, |
| 996 | sizeof(struct ipa_ioc_del_rt_rule))) { |
| 997 | retval = -EFAULT; |
| 998 | break; |
| 999 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1000 | pre_entry = |
| 1001 | ((struct ipa_ioc_del_rt_rule *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1002 | pyld_sz = |
| 1003 | sizeof(struct ipa_ioc_del_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1004 | pre_entry * sizeof(struct ipa_rt_rule_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1005 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1006 | if (!param) { |
| 1007 | retval = -ENOMEM; |
| 1008 | break; |
| 1009 | } |
| 1010 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1011 | retval = -EFAULT; |
| 1012 | break; |
| 1013 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1014 | /* add check in case user-space module compromised */ |
| 1015 | if (unlikely(((struct ipa_ioc_del_rt_rule *)param)->num_hdls |
| 1016 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1017 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1018 | ((struct ipa_ioc_del_rt_rule *)param)->num_hdls, |
| 1019 | pre_entry); |
| 1020 | retval = -EFAULT; |
| 1021 | break; |
| 1022 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1023 | if (ipa3_del_rt_rule((struct ipa_ioc_del_rt_rule *)param)) { |
| 1024 | retval = -EFAULT; |
| 1025 | break; |
| 1026 | } |
| 1027 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1028 | retval = -EFAULT; |
| 1029 | break; |
| 1030 | } |
| 1031 | break; |
| 1032 | |
| 1033 | case IPA_IOC_ADD_FLT_RULE: |
| 1034 | if (copy_from_user(header, (u8 *)arg, |
| 1035 | sizeof(struct ipa_ioc_add_flt_rule))) { |
| 1036 | retval = -EFAULT; |
| 1037 | break; |
| 1038 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1039 | pre_entry = |
| 1040 | ((struct ipa_ioc_add_flt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1041 | pyld_sz = |
| 1042 | sizeof(struct ipa_ioc_add_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1043 | pre_entry * sizeof(struct ipa_flt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1044 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1045 | if (!param) { |
| 1046 | retval = -ENOMEM; |
| 1047 | break; |
| 1048 | } |
| 1049 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1050 | retval = -EFAULT; |
| 1051 | break; |
| 1052 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1053 | /* add check in case user-space module compromised */ |
| 1054 | if (unlikely(((struct ipa_ioc_add_flt_rule *)param)->num_rules |
| 1055 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1056 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1057 | ((struct ipa_ioc_add_flt_rule *)param)-> |
| 1058 | num_rules, |
| 1059 | pre_entry); |
| 1060 | retval = -EFAULT; |
| 1061 | break; |
| 1062 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1063 | if (ipa3_add_flt_rule((struct ipa_ioc_add_flt_rule *)param)) { |
| 1064 | retval = -EFAULT; |
| 1065 | break; |
| 1066 | } |
| 1067 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1068 | retval = -EFAULT; |
| 1069 | break; |
| 1070 | } |
| 1071 | break; |
| 1072 | |
| 1073 | case IPA_IOC_ADD_FLT_RULE_AFTER: |
| 1074 | if (copy_from_user(header, (u8 *)arg, |
| 1075 | sizeof(struct ipa_ioc_add_flt_rule_after))) { |
| 1076 | |
| 1077 | retval = -EFAULT; |
| 1078 | break; |
| 1079 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1080 | pre_entry = |
| 1081 | ((struct ipa_ioc_add_flt_rule_after *)header)-> |
| 1082 | num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1083 | pyld_sz = |
| 1084 | sizeof(struct ipa_ioc_add_flt_rule_after) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1085 | pre_entry * sizeof(struct ipa_flt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1086 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1087 | if (!param) { |
| 1088 | retval = -ENOMEM; |
| 1089 | break; |
| 1090 | } |
| 1091 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1092 | retval = -EFAULT; |
| 1093 | break; |
| 1094 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1095 | /* add check in case user-space module compromised */ |
| 1096 | if (unlikely(((struct ipa_ioc_add_flt_rule_after *)param)-> |
| 1097 | num_rules != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1098 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1099 | ((struct ipa_ioc_add_flt_rule_after *)param)-> |
| 1100 | num_rules, |
| 1101 | pre_entry); |
| 1102 | retval = -EFAULT; |
| 1103 | break; |
| 1104 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1105 | if (ipa3_add_flt_rule_after( |
| 1106 | (struct ipa_ioc_add_flt_rule_after *)param)) { |
| 1107 | retval = -EFAULT; |
| 1108 | break; |
| 1109 | } |
| 1110 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1111 | retval = -EFAULT; |
| 1112 | break; |
| 1113 | } |
| 1114 | break; |
| 1115 | |
| 1116 | case IPA_IOC_DEL_FLT_RULE: |
| 1117 | if (copy_from_user(header, (u8 *)arg, |
| 1118 | sizeof(struct ipa_ioc_del_flt_rule))) { |
| 1119 | retval = -EFAULT; |
| 1120 | break; |
| 1121 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1122 | pre_entry = |
| 1123 | ((struct ipa_ioc_del_flt_rule *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1124 | pyld_sz = |
| 1125 | sizeof(struct ipa_ioc_del_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1126 | pre_entry * sizeof(struct ipa_flt_rule_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1127 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1128 | if (!param) { |
| 1129 | retval = -ENOMEM; |
| 1130 | break; |
| 1131 | } |
| 1132 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1133 | retval = -EFAULT; |
| 1134 | break; |
| 1135 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1136 | /* add check in case user-space module compromised */ |
| 1137 | if (unlikely(((struct ipa_ioc_del_flt_rule *)param)->num_hdls |
| 1138 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1139 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1140 | ((struct ipa_ioc_del_flt_rule *)param)-> |
| 1141 | num_hdls, |
| 1142 | pre_entry); |
| 1143 | retval = -EFAULT; |
| 1144 | break; |
| 1145 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1146 | if (ipa3_del_flt_rule((struct ipa_ioc_del_flt_rule *)param)) { |
| 1147 | retval = -EFAULT; |
| 1148 | break; |
| 1149 | } |
| 1150 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1151 | retval = -EFAULT; |
| 1152 | break; |
| 1153 | } |
| 1154 | break; |
| 1155 | |
| 1156 | case IPA_IOC_MDFY_FLT_RULE: |
| 1157 | if (copy_from_user(header, (u8 *)arg, |
| 1158 | sizeof(struct ipa_ioc_mdfy_flt_rule))) { |
| 1159 | retval = -EFAULT; |
| 1160 | break; |
| 1161 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1162 | pre_entry = |
| 1163 | ((struct ipa_ioc_mdfy_flt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1164 | pyld_sz = |
| 1165 | sizeof(struct ipa_ioc_mdfy_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1166 | pre_entry * sizeof(struct ipa_flt_rule_mdfy); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1167 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1168 | if (!param) { |
| 1169 | retval = -ENOMEM; |
| 1170 | break; |
| 1171 | } |
| 1172 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1173 | retval = -EFAULT; |
| 1174 | break; |
| 1175 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1176 | /* add check in case user-space module compromised */ |
| 1177 | if (unlikely(((struct ipa_ioc_mdfy_flt_rule *)param)->num_rules |
| 1178 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1179 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1180 | ((struct ipa_ioc_mdfy_flt_rule *)param)-> |
| 1181 | num_rules, |
| 1182 | pre_entry); |
| 1183 | retval = -EFAULT; |
| 1184 | break; |
| 1185 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1186 | if (ipa3_mdfy_flt_rule((struct ipa_ioc_mdfy_flt_rule *)param)) { |
| 1187 | retval = -EFAULT; |
| 1188 | break; |
| 1189 | } |
| 1190 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1191 | retval = -EFAULT; |
| 1192 | break; |
| 1193 | } |
| 1194 | break; |
| 1195 | |
| 1196 | case IPA_IOC_COMMIT_HDR: |
| 1197 | retval = ipa3_commit_hdr(); |
| 1198 | break; |
| 1199 | case IPA_IOC_RESET_HDR: |
| 1200 | retval = ipa3_reset_hdr(); |
| 1201 | break; |
| 1202 | case IPA_IOC_COMMIT_RT: |
| 1203 | retval = ipa3_commit_rt(arg); |
| 1204 | break; |
| 1205 | case IPA_IOC_RESET_RT: |
| 1206 | retval = ipa3_reset_rt(arg); |
| 1207 | break; |
| 1208 | case IPA_IOC_COMMIT_FLT: |
| 1209 | retval = ipa3_commit_flt(arg); |
| 1210 | break; |
| 1211 | case IPA_IOC_RESET_FLT: |
| 1212 | retval = ipa3_reset_flt(arg); |
| 1213 | break; |
| 1214 | case IPA_IOC_GET_RT_TBL: |
| 1215 | if (copy_from_user(header, (u8 *)arg, |
| 1216 | sizeof(struct ipa_ioc_get_rt_tbl))) { |
| 1217 | retval = -EFAULT; |
| 1218 | break; |
| 1219 | } |
| 1220 | if (ipa3_get_rt_tbl((struct ipa_ioc_get_rt_tbl *)header)) { |
| 1221 | retval = -EFAULT; |
| 1222 | break; |
| 1223 | } |
| 1224 | if (copy_to_user((u8 *)arg, header, |
| 1225 | sizeof(struct ipa_ioc_get_rt_tbl))) { |
| 1226 | retval = -EFAULT; |
| 1227 | break; |
| 1228 | } |
| 1229 | break; |
| 1230 | case IPA_IOC_PUT_RT_TBL: |
| 1231 | retval = ipa3_put_rt_tbl(arg); |
| 1232 | break; |
| 1233 | case IPA_IOC_GET_HDR: |
| 1234 | if (copy_from_user(header, (u8 *)arg, |
| 1235 | sizeof(struct ipa_ioc_get_hdr))) { |
| 1236 | retval = -EFAULT; |
| 1237 | break; |
| 1238 | } |
| 1239 | if (ipa3_get_hdr((struct ipa_ioc_get_hdr *)header)) { |
| 1240 | retval = -EFAULT; |
| 1241 | break; |
| 1242 | } |
| 1243 | if (copy_to_user((u8 *)arg, header, |
| 1244 | sizeof(struct ipa_ioc_get_hdr))) { |
| 1245 | retval = -EFAULT; |
| 1246 | break; |
| 1247 | } |
| 1248 | break; |
| 1249 | case IPA_IOC_PUT_HDR: |
| 1250 | retval = ipa3_put_hdr(arg); |
| 1251 | break; |
| 1252 | case IPA_IOC_SET_FLT: |
| 1253 | retval = ipa3_cfg_filter(arg); |
| 1254 | break; |
| 1255 | case IPA_IOC_COPY_HDR: |
| 1256 | if (copy_from_user(header, (u8 *)arg, |
| 1257 | sizeof(struct ipa_ioc_copy_hdr))) { |
| 1258 | retval = -EFAULT; |
| 1259 | break; |
| 1260 | } |
| 1261 | if (ipa3_copy_hdr((struct ipa_ioc_copy_hdr *)header)) { |
| 1262 | retval = -EFAULT; |
| 1263 | break; |
| 1264 | } |
| 1265 | if (copy_to_user((u8 *)arg, header, |
| 1266 | sizeof(struct ipa_ioc_copy_hdr))) { |
| 1267 | retval = -EFAULT; |
| 1268 | break; |
| 1269 | } |
| 1270 | break; |
| 1271 | case IPA_IOC_QUERY_INTF: |
| 1272 | if (copy_from_user(header, (u8 *)arg, |
| 1273 | sizeof(struct ipa_ioc_query_intf))) { |
| 1274 | retval = -EFAULT; |
| 1275 | break; |
| 1276 | } |
| 1277 | if (ipa3_query_intf((struct ipa_ioc_query_intf *)header)) { |
| 1278 | retval = -1; |
| 1279 | break; |
| 1280 | } |
| 1281 | if (copy_to_user((u8 *)arg, header, |
| 1282 | sizeof(struct ipa_ioc_query_intf))) { |
| 1283 | retval = -EFAULT; |
| 1284 | break; |
| 1285 | } |
| 1286 | break; |
| 1287 | case IPA_IOC_QUERY_INTF_TX_PROPS: |
| 1288 | sz = sizeof(struct ipa_ioc_query_intf_tx_props); |
| 1289 | if (copy_from_user(header, (u8 *)arg, sz)) { |
| 1290 | retval = -EFAULT; |
| 1291 | break; |
| 1292 | } |
| 1293 | |
| 1294 | if (((struct ipa_ioc_query_intf_tx_props *)header)->num_tx_props |
| 1295 | > IPA_NUM_PROPS_MAX) { |
| 1296 | retval = -EFAULT; |
| 1297 | break; |
| 1298 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1299 | pre_entry = |
| 1300 | ((struct ipa_ioc_query_intf_tx_props *) |
| 1301 | header)->num_tx_props; |
| 1302 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1303 | sizeof(struct ipa_ioc_tx_intf_prop); |
| 1304 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1305 | if (!param) { |
| 1306 | retval = -ENOMEM; |
| 1307 | break; |
| 1308 | } |
| 1309 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1310 | retval = -EFAULT; |
| 1311 | break; |
| 1312 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1313 | /* add check in case user-space module compromised */ |
| 1314 | if (unlikely(((struct ipa_ioc_query_intf_tx_props *) |
| 1315 | param)->num_tx_props |
| 1316 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1317 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1318 | ((struct ipa_ioc_query_intf_tx_props *) |
| 1319 | param)->num_tx_props, pre_entry); |
| 1320 | retval = -EFAULT; |
| 1321 | break; |
| 1322 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1323 | if (ipa3_query_intf_tx_props( |
| 1324 | (struct ipa_ioc_query_intf_tx_props *)param)) { |
| 1325 | retval = -1; |
| 1326 | break; |
| 1327 | } |
| 1328 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1329 | retval = -EFAULT; |
| 1330 | break; |
| 1331 | } |
| 1332 | break; |
| 1333 | case IPA_IOC_QUERY_INTF_RX_PROPS: |
| 1334 | sz = sizeof(struct ipa_ioc_query_intf_rx_props); |
| 1335 | if (copy_from_user(header, (u8 *)arg, sz)) { |
| 1336 | retval = -EFAULT; |
| 1337 | break; |
| 1338 | } |
| 1339 | |
| 1340 | if (((struct ipa_ioc_query_intf_rx_props *)header)->num_rx_props |
| 1341 | > IPA_NUM_PROPS_MAX) { |
| 1342 | retval = -EFAULT; |
| 1343 | break; |
| 1344 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1345 | pre_entry = |
| 1346 | ((struct ipa_ioc_query_intf_rx_props *) |
| 1347 | header)->num_rx_props; |
| 1348 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1349 | sizeof(struct ipa_ioc_rx_intf_prop); |
| 1350 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1351 | if (!param) { |
| 1352 | retval = -ENOMEM; |
| 1353 | break; |
| 1354 | } |
| 1355 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1356 | retval = -EFAULT; |
| 1357 | break; |
| 1358 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1359 | /* add check in case user-space module compromised */ |
| 1360 | if (unlikely(((struct ipa_ioc_query_intf_rx_props *) |
| 1361 | param)->num_rx_props != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1362 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1363 | ((struct ipa_ioc_query_intf_rx_props *) |
| 1364 | param)->num_rx_props, pre_entry); |
| 1365 | retval = -EFAULT; |
| 1366 | break; |
| 1367 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1368 | if (ipa3_query_intf_rx_props( |
| 1369 | (struct ipa_ioc_query_intf_rx_props *)param)) { |
| 1370 | retval = -1; |
| 1371 | break; |
| 1372 | } |
| 1373 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1374 | retval = -EFAULT; |
| 1375 | break; |
| 1376 | } |
| 1377 | break; |
| 1378 | case IPA_IOC_QUERY_INTF_EXT_PROPS: |
| 1379 | sz = sizeof(struct ipa_ioc_query_intf_ext_props); |
| 1380 | if (copy_from_user(header, (u8 *)arg, sz)) { |
| 1381 | retval = -EFAULT; |
| 1382 | break; |
| 1383 | } |
| 1384 | |
| 1385 | if (((struct ipa_ioc_query_intf_ext_props *) |
| 1386 | header)->num_ext_props > IPA_NUM_PROPS_MAX) { |
| 1387 | retval = -EFAULT; |
| 1388 | break; |
| 1389 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1390 | pre_entry = |
| 1391 | ((struct ipa_ioc_query_intf_ext_props *) |
| 1392 | header)->num_ext_props; |
| 1393 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1394 | sizeof(struct ipa_ioc_ext_intf_prop); |
| 1395 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1396 | if (!param) { |
| 1397 | retval = -ENOMEM; |
| 1398 | break; |
| 1399 | } |
| 1400 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1401 | retval = -EFAULT; |
| 1402 | break; |
| 1403 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1404 | /* add check in case user-space module compromised */ |
| 1405 | if (unlikely(((struct ipa_ioc_query_intf_ext_props *) |
| 1406 | param)->num_ext_props != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1407 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1408 | ((struct ipa_ioc_query_intf_ext_props *) |
| 1409 | param)->num_ext_props, pre_entry); |
| 1410 | retval = -EFAULT; |
| 1411 | break; |
| 1412 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1413 | if (ipa3_query_intf_ext_props( |
| 1414 | (struct ipa_ioc_query_intf_ext_props *)param)) { |
| 1415 | retval = -1; |
| 1416 | break; |
| 1417 | } |
| 1418 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1419 | retval = -EFAULT; |
| 1420 | break; |
| 1421 | } |
| 1422 | break; |
| 1423 | case IPA_IOC_PULL_MSG: |
| 1424 | if (copy_from_user(header, (u8 *)arg, |
| 1425 | sizeof(struct ipa_msg_meta))) { |
| 1426 | retval = -EFAULT; |
| 1427 | break; |
| 1428 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1429 | pre_entry = |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1430 | ((struct ipa_msg_meta *)header)->msg_len; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1431 | pyld_sz = sizeof(struct ipa_msg_meta) + |
| 1432 | pre_entry; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1433 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1434 | if (!param) { |
| 1435 | retval = -ENOMEM; |
| 1436 | break; |
| 1437 | } |
| 1438 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1439 | retval = -EFAULT; |
| 1440 | break; |
| 1441 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1442 | /* add check in case user-space module compromised */ |
| 1443 | if (unlikely(((struct ipa_msg_meta *)param)->msg_len |
| 1444 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1445 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1446 | ((struct ipa_msg_meta *)param)->msg_len, |
| 1447 | pre_entry); |
| 1448 | retval = -EFAULT; |
| 1449 | break; |
| 1450 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1451 | if (ipa3_pull_msg((struct ipa_msg_meta *)param, |
| 1452 | (char *)param + sizeof(struct ipa_msg_meta), |
| 1453 | ((struct ipa_msg_meta *)param)->msg_len) != |
| 1454 | ((struct ipa_msg_meta *)param)->msg_len) { |
| 1455 | retval = -1; |
| 1456 | break; |
| 1457 | } |
| 1458 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1459 | retval = -EFAULT; |
| 1460 | break; |
| 1461 | } |
| 1462 | break; |
| 1463 | case IPA_IOC_RM_ADD_DEPENDENCY: |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 1464 | /* deprecate if IPA PM is used */ |
| 1465 | if (ipa3_ctx->use_ipa_pm) |
| 1466 | return 0; |
| 1467 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1468 | if (copy_from_user((u8 *)&rm_depend, (u8 *)arg, |
| 1469 | sizeof(struct ipa_ioc_rm_dependency))) { |
| 1470 | retval = -EFAULT; |
| 1471 | break; |
| 1472 | } |
| 1473 | retval = ipa_rm_add_dependency_from_ioctl( |
| 1474 | rm_depend.resource_name, rm_depend.depends_on_name); |
| 1475 | break; |
| 1476 | case IPA_IOC_RM_DEL_DEPENDENCY: |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 1477 | /* deprecate if IPA PM is used */ |
| 1478 | if (ipa3_ctx->use_ipa_pm) |
| 1479 | return 0; |
| 1480 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1481 | if (copy_from_user((u8 *)&rm_depend, (u8 *)arg, |
| 1482 | sizeof(struct ipa_ioc_rm_dependency))) { |
| 1483 | retval = -EFAULT; |
| 1484 | break; |
| 1485 | } |
| 1486 | retval = ipa_rm_delete_dependency_from_ioctl( |
| 1487 | rm_depend.resource_name, rm_depend.depends_on_name); |
| 1488 | break; |
| 1489 | case IPA_IOC_GENERATE_FLT_EQ: |
| 1490 | { |
| 1491 | struct ipa_ioc_generate_flt_eq flt_eq; |
| 1492 | |
| 1493 | if (copy_from_user(&flt_eq, (u8 *)arg, |
| 1494 | sizeof(struct ipa_ioc_generate_flt_eq))) { |
| 1495 | retval = -EFAULT; |
| 1496 | break; |
| 1497 | } |
| 1498 | if (ipahal_flt_generate_equation(flt_eq.ip, |
| 1499 | &flt_eq.attrib, &flt_eq.eq_attrib)) { |
| 1500 | retval = -EFAULT; |
| 1501 | break; |
| 1502 | } |
| 1503 | if (copy_to_user((u8 *)arg, &flt_eq, |
| 1504 | sizeof(struct ipa_ioc_generate_flt_eq))) { |
| 1505 | retval = -EFAULT; |
| 1506 | break; |
| 1507 | } |
| 1508 | break; |
| 1509 | } |
| 1510 | case IPA_IOC_QUERY_EP_MAPPING: |
| 1511 | { |
| 1512 | retval = ipa3_get_ep_mapping(arg); |
| 1513 | break; |
| 1514 | } |
| 1515 | case IPA_IOC_QUERY_RT_TBL_INDEX: |
| 1516 | if (copy_from_user(header, (u8 *)arg, |
| 1517 | sizeof(struct ipa_ioc_get_rt_tbl_indx))) { |
| 1518 | retval = -EFAULT; |
| 1519 | break; |
| 1520 | } |
| 1521 | if (ipa3_query_rt_index( |
| 1522 | (struct ipa_ioc_get_rt_tbl_indx *)header)) { |
| 1523 | retval = -EFAULT; |
| 1524 | break; |
| 1525 | } |
| 1526 | if (copy_to_user((u8 *)arg, header, |
| 1527 | sizeof(struct ipa_ioc_get_rt_tbl_indx))) { |
| 1528 | retval = -EFAULT; |
| 1529 | break; |
| 1530 | } |
| 1531 | break; |
| 1532 | case IPA_IOC_WRITE_QMAPID: |
| 1533 | if (copy_from_user(header, (u8 *)arg, |
| 1534 | sizeof(struct ipa_ioc_write_qmapid))) { |
| 1535 | retval = -EFAULT; |
| 1536 | break; |
| 1537 | } |
| 1538 | if (ipa3_write_qmap_id((struct ipa_ioc_write_qmapid *)header)) { |
| 1539 | retval = -EFAULT; |
| 1540 | break; |
| 1541 | } |
| 1542 | if (copy_to_user((u8 *)arg, header, |
| 1543 | sizeof(struct ipa_ioc_write_qmapid))) { |
| 1544 | retval = -EFAULT; |
| 1545 | break; |
| 1546 | } |
| 1547 | break; |
| 1548 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD: |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 1549 | retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_ADD, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1550 | if (retval) { |
| 1551 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1552 | break; |
| 1553 | } |
| 1554 | break; |
| 1555 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL: |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 1556 | retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_DEL, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1557 | if (retval) { |
| 1558 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1559 | break; |
| 1560 | } |
| 1561 | break; |
| 1562 | case IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED: |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 1563 | retval = ipa3_send_wan_msg(arg, WAN_EMBMS_CONNECT, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1564 | if (retval) { |
| 1565 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1566 | break; |
| 1567 | } |
| 1568 | break; |
| 1569 | case IPA_IOC_ADD_HDR_PROC_CTX: |
| 1570 | if (copy_from_user(header, (u8 *)arg, |
| 1571 | sizeof(struct ipa_ioc_add_hdr_proc_ctx))) { |
| 1572 | retval = -EFAULT; |
| 1573 | break; |
| 1574 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1575 | pre_entry = |
| 1576 | ((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1577 | header)->num_proc_ctxs; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1578 | pyld_sz = |
| 1579 | sizeof(struct ipa_ioc_add_hdr_proc_ctx) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1580 | pre_entry * sizeof(struct ipa_hdr_proc_ctx_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1581 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1582 | if (!param) { |
| 1583 | retval = -ENOMEM; |
| 1584 | break; |
| 1585 | } |
| 1586 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1587 | retval = -EFAULT; |
| 1588 | break; |
| 1589 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1590 | /* add check in case user-space module compromised */ |
| 1591 | if (unlikely(((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1592 | param)->num_proc_ctxs != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1593 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1594 | ((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1595 | param)->num_proc_ctxs, pre_entry); |
| 1596 | retval = -EFAULT; |
| 1597 | break; |
| 1598 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1599 | if (ipa3_add_hdr_proc_ctx( |
| 1600 | (struct ipa_ioc_add_hdr_proc_ctx *)param)) { |
| 1601 | retval = -EFAULT; |
| 1602 | break; |
| 1603 | } |
| 1604 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1605 | retval = -EFAULT; |
| 1606 | break; |
| 1607 | } |
| 1608 | break; |
| 1609 | case IPA_IOC_DEL_HDR_PROC_CTX: |
| 1610 | if (copy_from_user(header, (u8 *)arg, |
| 1611 | sizeof(struct ipa_ioc_del_hdr_proc_ctx))) { |
| 1612 | retval = -EFAULT; |
| 1613 | break; |
| 1614 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1615 | pre_entry = |
| 1616 | ((struct ipa_ioc_del_hdr_proc_ctx *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1617 | pyld_sz = |
| 1618 | sizeof(struct ipa_ioc_del_hdr_proc_ctx) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1619 | pre_entry * sizeof(struct ipa_hdr_proc_ctx_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1620 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1621 | if (!param) { |
| 1622 | retval = -ENOMEM; |
| 1623 | break; |
| 1624 | } |
| 1625 | if (copy_from_user(param, (u8 *)arg, pyld_sz)) { |
| 1626 | retval = -EFAULT; |
| 1627 | break; |
| 1628 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1629 | /* add check in case user-space module compromised */ |
| 1630 | if (unlikely(((struct ipa_ioc_del_hdr_proc_ctx *) |
| 1631 | param)->num_hdls != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1632 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1633 | ((struct ipa_ioc_del_hdr_proc_ctx *)param)-> |
| 1634 | num_hdls, |
| 1635 | pre_entry); |
| 1636 | retval = -EFAULT; |
| 1637 | break; |
| 1638 | } |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 1639 | if (ipa3_del_hdr_proc_ctx_by_user( |
| 1640 | (struct ipa_ioc_del_hdr_proc_ctx *)param, true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1641 | retval = -EFAULT; |
| 1642 | break; |
| 1643 | } |
| 1644 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1645 | retval = -EFAULT; |
| 1646 | break; |
| 1647 | } |
| 1648 | break; |
| 1649 | |
| 1650 | case IPA_IOC_GET_HW_VERSION: |
| 1651 | pyld_sz = sizeof(enum ipa_hw_type); |
| 1652 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1653 | if (!param) { |
| 1654 | retval = -ENOMEM; |
| 1655 | break; |
| 1656 | } |
| 1657 | memcpy(param, &ipa3_ctx->ipa_hw_type, pyld_sz); |
| 1658 | if (copy_to_user((u8 *)arg, param, pyld_sz)) { |
| 1659 | retval = -EFAULT; |
| 1660 | break; |
| 1661 | } |
| 1662 | break; |
| 1663 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 1664 | case IPA_IOC_ADD_VLAN_IFACE: |
| 1665 | if (ipa3_send_vlan_l2tp_msg(arg, ADD_VLAN_IFACE)) { |
| 1666 | retval = -EFAULT; |
| 1667 | break; |
| 1668 | } |
| 1669 | break; |
| 1670 | |
| 1671 | case IPA_IOC_DEL_VLAN_IFACE: |
| 1672 | if (ipa3_send_vlan_l2tp_msg(arg, DEL_VLAN_IFACE)) { |
| 1673 | retval = -EFAULT; |
| 1674 | break; |
| 1675 | } |
| 1676 | break; |
| 1677 | |
| 1678 | case IPA_IOC_ADD_L2TP_VLAN_MAPPING: |
| 1679 | if (ipa3_send_vlan_l2tp_msg(arg, ADD_L2TP_VLAN_MAPPING)) { |
| 1680 | retval = -EFAULT; |
| 1681 | break; |
| 1682 | } |
| 1683 | break; |
| 1684 | |
| 1685 | case IPA_IOC_DEL_L2TP_VLAN_MAPPING: |
| 1686 | if (ipa3_send_vlan_l2tp_msg(arg, DEL_L2TP_VLAN_MAPPING)) { |
| 1687 | retval = -EFAULT; |
| 1688 | break; |
| 1689 | } |
| 1690 | break; |
| 1691 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1692 | default: /* redundant, as cmd was checked against MAXNR */ |
| 1693 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1694 | return -ENOTTY; |
| 1695 | } |
| 1696 | kfree(param); |
| 1697 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1698 | |
| 1699 | return retval; |
| 1700 | } |
| 1701 | |
| 1702 | /** |
| 1703 | * ipa3_setup_dflt_rt_tables() - Setup default routing tables |
| 1704 | * |
| 1705 | * Return codes: |
| 1706 | * 0: success |
| 1707 | * -ENOMEM: failed to allocate memory |
| 1708 | * -EPERM: failed to add the tables |
| 1709 | */ |
| 1710 | int ipa3_setup_dflt_rt_tables(void) |
| 1711 | { |
| 1712 | struct ipa_ioc_add_rt_rule *rt_rule; |
| 1713 | struct ipa_rt_rule_add *rt_rule_entry; |
| 1714 | |
| 1715 | rt_rule = |
| 1716 | kzalloc(sizeof(struct ipa_ioc_add_rt_rule) + 1 * |
| 1717 | sizeof(struct ipa_rt_rule_add), GFP_KERNEL); |
| 1718 | if (!rt_rule) { |
| 1719 | IPAERR("fail to alloc mem\n"); |
| 1720 | return -ENOMEM; |
| 1721 | } |
| 1722 | /* setup a default v4 route to point to Apps */ |
| 1723 | rt_rule->num_rules = 1; |
| 1724 | rt_rule->commit = 1; |
| 1725 | rt_rule->ip = IPA_IP_v4; |
| 1726 | strlcpy(rt_rule->rt_tbl_name, IPA_DFLT_RT_TBL_NAME, |
| 1727 | IPA_RESOURCE_NAME_MAX); |
| 1728 | |
| 1729 | rt_rule_entry = &rt_rule->rules[0]; |
| 1730 | rt_rule_entry->at_rear = 1; |
| 1731 | rt_rule_entry->rule.dst = IPA_CLIENT_APPS_LAN_CONS; |
| 1732 | rt_rule_entry->rule.hdr_hdl = ipa3_ctx->excp_hdr_hdl; |
| 1733 | rt_rule_entry->rule.retain_hdr = 1; |
| 1734 | |
| 1735 | if (ipa3_add_rt_rule(rt_rule)) { |
| 1736 | IPAERR("fail to add dflt v4 rule\n"); |
| 1737 | kfree(rt_rule); |
| 1738 | return -EPERM; |
| 1739 | } |
| 1740 | IPADBG("dflt v4 rt rule hdl=%x\n", rt_rule_entry->rt_rule_hdl); |
| 1741 | ipa3_ctx->dflt_v4_rt_rule_hdl = rt_rule_entry->rt_rule_hdl; |
| 1742 | |
| 1743 | /* setup a default v6 route to point to A5 */ |
| 1744 | rt_rule->ip = IPA_IP_v6; |
| 1745 | if (ipa3_add_rt_rule(rt_rule)) { |
| 1746 | IPAERR("fail to add dflt v6 rule\n"); |
| 1747 | kfree(rt_rule); |
| 1748 | return -EPERM; |
| 1749 | } |
| 1750 | IPADBG("dflt v6 rt rule hdl=%x\n", rt_rule_entry->rt_rule_hdl); |
| 1751 | ipa3_ctx->dflt_v6_rt_rule_hdl = rt_rule_entry->rt_rule_hdl; |
| 1752 | |
| 1753 | /* |
| 1754 | * because these tables are the very first to be added, they will both |
| 1755 | * have the same index (0) which is essential for programming the |
| 1756 | * "route" end-point config |
| 1757 | */ |
| 1758 | |
| 1759 | kfree(rt_rule); |
| 1760 | |
| 1761 | return 0; |
| 1762 | } |
| 1763 | |
| 1764 | static int ipa3_setup_exception_path(void) |
| 1765 | { |
| 1766 | struct ipa_ioc_add_hdr *hdr; |
| 1767 | struct ipa_hdr_add *hdr_entry; |
| 1768 | struct ipahal_reg_route route = { 0 }; |
| 1769 | int ret; |
| 1770 | |
| 1771 | /* install the basic exception header */ |
| 1772 | hdr = kzalloc(sizeof(struct ipa_ioc_add_hdr) + 1 * |
| 1773 | sizeof(struct ipa_hdr_add), GFP_KERNEL); |
| 1774 | if (!hdr) { |
| 1775 | IPAERR("fail to alloc exception hdr\n"); |
| 1776 | return -ENOMEM; |
| 1777 | } |
| 1778 | hdr->num_hdrs = 1; |
| 1779 | hdr->commit = 1; |
| 1780 | hdr_entry = &hdr->hdr[0]; |
| 1781 | |
| 1782 | strlcpy(hdr_entry->name, IPA_LAN_RX_HDR_NAME, IPA_RESOURCE_NAME_MAX); |
| 1783 | hdr_entry->hdr_len = IPA_LAN_RX_HEADER_LENGTH; |
| 1784 | |
| 1785 | if (ipa3_add_hdr(hdr)) { |
| 1786 | IPAERR("fail to add exception hdr\n"); |
| 1787 | ret = -EPERM; |
| 1788 | goto bail; |
| 1789 | } |
| 1790 | |
| 1791 | if (hdr_entry->status) { |
| 1792 | IPAERR("fail to add exception hdr\n"); |
| 1793 | ret = -EPERM; |
| 1794 | goto bail; |
| 1795 | } |
| 1796 | |
| 1797 | ipa3_ctx->excp_hdr_hdl = hdr_entry->hdr_hdl; |
| 1798 | |
| 1799 | /* set the route register to pass exception packets to Apps */ |
| 1800 | route.route_def_pipe = ipa3_get_ep_mapping(IPA_CLIENT_APPS_LAN_CONS); |
| 1801 | route.route_frag_def_pipe = ipa3_get_ep_mapping( |
| 1802 | IPA_CLIENT_APPS_LAN_CONS); |
| 1803 | route.route_def_hdr_table = !ipa3_ctx->hdr_tbl_lcl; |
| 1804 | route.route_def_retain_hdr = 1; |
| 1805 | |
| 1806 | if (ipa3_cfg_route(&route)) { |
| 1807 | IPAERR("fail to add exception hdr\n"); |
| 1808 | ret = -EPERM; |
| 1809 | goto bail; |
| 1810 | } |
| 1811 | |
| 1812 | ret = 0; |
| 1813 | bail: |
| 1814 | kfree(hdr); |
| 1815 | return ret; |
| 1816 | } |
| 1817 | |
| 1818 | static int ipa3_init_smem_region(int memory_region_size, |
| 1819 | int memory_region_offset) |
| 1820 | { |
| 1821 | struct ipahal_imm_cmd_dma_shared_mem cmd; |
| 1822 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 1823 | struct ipa3_desc desc; |
| 1824 | struct ipa_mem_buffer mem; |
| 1825 | int rc; |
| 1826 | |
| 1827 | if (memory_region_size == 0) |
| 1828 | return 0; |
| 1829 | |
| 1830 | memset(&desc, 0, sizeof(desc)); |
| 1831 | memset(&cmd, 0, sizeof(cmd)); |
| 1832 | memset(&mem, 0, sizeof(mem)); |
| 1833 | |
| 1834 | mem.size = memory_region_size; |
| 1835 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, |
| 1836 | &mem.phys_base, GFP_KERNEL); |
| 1837 | if (!mem.base) { |
| 1838 | IPAERR("failed to alloc DMA buff of size %d\n", mem.size); |
| 1839 | return -ENOMEM; |
| 1840 | } |
| 1841 | |
| 1842 | memset(mem.base, 0, mem.size); |
| 1843 | cmd.is_read = false; |
| 1844 | cmd.skip_pipeline_clear = false; |
| 1845 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 1846 | cmd.size = mem.size; |
| 1847 | cmd.system_addr = mem.phys_base; |
| 1848 | cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 1849 | memory_region_offset; |
| 1850 | cmd_pyld = ipahal_construct_imm_cmd( |
| 1851 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 1852 | if (!cmd_pyld) { |
| 1853 | IPAERR("failed to construct dma_shared_mem imm cmd\n"); |
| 1854 | return -ENOMEM; |
| 1855 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 1856 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1857 | desc.pyld = cmd_pyld->data; |
| 1858 | desc.len = cmd_pyld->len; |
| 1859 | desc.type = IPA_IMM_CMD_DESC; |
| 1860 | |
| 1861 | rc = ipa3_send_cmd(1, &desc); |
| 1862 | if (rc) { |
| 1863 | IPAERR("failed to send immediate command (error %d)\n", rc); |
| 1864 | rc = -EFAULT; |
| 1865 | } |
| 1866 | |
| 1867 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 1868 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, |
| 1869 | mem.phys_base); |
| 1870 | |
| 1871 | return rc; |
| 1872 | } |
| 1873 | |
| 1874 | /** |
| 1875 | * ipa3_init_q6_smem() - Initialize Q6 general memory and |
| 1876 | * header memory regions in IPA. |
| 1877 | * |
| 1878 | * Return codes: |
| 1879 | * 0: success |
| 1880 | * -ENOMEM: failed to allocate dma memory |
| 1881 | * -EFAULT: failed to send IPA command to initialize the memory |
| 1882 | */ |
| 1883 | int ipa3_init_q6_smem(void) |
| 1884 | { |
| 1885 | int rc; |
| 1886 | |
| 1887 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 1888 | |
| 1889 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_size), |
| 1890 | IPA_MEM_PART(modem_ofst)); |
| 1891 | if (rc) { |
| 1892 | IPAERR("failed to initialize Modem RAM memory\n"); |
| 1893 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1894 | return rc; |
| 1895 | } |
| 1896 | |
| 1897 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_hdr_size), |
| 1898 | IPA_MEM_PART(modem_hdr_ofst)); |
| 1899 | if (rc) { |
| 1900 | IPAERR("failed to initialize Modem HDRs RAM memory\n"); |
| 1901 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1902 | return rc; |
| 1903 | } |
| 1904 | |
| 1905 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_hdr_proc_ctx_size), |
| 1906 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst)); |
| 1907 | if (rc) { |
| 1908 | IPAERR("failed to initialize Modem proc ctx RAM memory\n"); |
| 1909 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1910 | return rc; |
| 1911 | } |
| 1912 | |
| 1913 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_comp_decomp_size), |
| 1914 | IPA_MEM_PART(modem_comp_decomp_ofst)); |
| 1915 | if (rc) { |
| 1916 | IPAERR("failed to initialize Modem Comp/Decomp RAM memory\n"); |
| 1917 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1918 | return rc; |
| 1919 | } |
| 1920 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1921 | |
| 1922 | return rc; |
| 1923 | } |
| 1924 | |
| 1925 | static void ipa3_destroy_imm(void *user1, int user2) |
| 1926 | { |
| 1927 | ipahal_destroy_imm_cmd(user1); |
| 1928 | } |
| 1929 | |
| 1930 | static void ipa3_q6_pipe_delay(bool delay) |
| 1931 | { |
| 1932 | int client_idx; |
| 1933 | int ep_idx; |
| 1934 | struct ipa_ep_cfg_ctrl ep_ctrl; |
| 1935 | |
| 1936 | memset(&ep_ctrl, 0, sizeof(struct ipa_ep_cfg_ctrl)); |
| 1937 | ep_ctrl.ipa_ep_delay = delay; |
| 1938 | |
| 1939 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 1940 | if (IPA_CLIENT_IS_Q6_PROD(client_idx)) { |
| 1941 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 1942 | if (ep_idx == -1) |
| 1943 | continue; |
| 1944 | |
| 1945 | ipahal_write_reg_n_fields(IPA_ENDP_INIT_CTRL_n, |
| 1946 | ep_idx, &ep_ctrl); |
| 1947 | } |
| 1948 | } |
| 1949 | } |
| 1950 | |
| 1951 | static void ipa3_q6_avoid_holb(void) |
| 1952 | { |
| 1953 | int ep_idx; |
| 1954 | int client_idx; |
| 1955 | struct ipa_ep_cfg_ctrl ep_suspend; |
| 1956 | struct ipa_ep_cfg_holb ep_holb; |
| 1957 | |
| 1958 | memset(&ep_suspend, 0, sizeof(ep_suspend)); |
| 1959 | memset(&ep_holb, 0, sizeof(ep_holb)); |
| 1960 | |
| 1961 | ep_suspend.ipa_ep_suspend = true; |
| 1962 | ep_holb.tmr_val = 0; |
| 1963 | ep_holb.en = 1; |
| 1964 | |
| 1965 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 1966 | if (IPA_CLIENT_IS_Q6_CONS(client_idx)) { |
| 1967 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 1968 | if (ep_idx == -1) |
| 1969 | continue; |
| 1970 | |
| 1971 | /* |
| 1972 | * ipa3_cfg_ep_holb is not used here because we are |
| 1973 | * setting HOLB on Q6 pipes, and from APPS perspective |
| 1974 | * they are not valid, therefore, the above function |
| 1975 | * will fail. |
| 1976 | */ |
| 1977 | ipahal_write_reg_n_fields( |
| 1978 | IPA_ENDP_INIT_HOL_BLOCK_TIMER_n, |
| 1979 | ep_idx, &ep_holb); |
| 1980 | ipahal_write_reg_n_fields( |
| 1981 | IPA_ENDP_INIT_HOL_BLOCK_EN_n, |
| 1982 | ep_idx, &ep_holb); |
| 1983 | |
Skylar Chang | a699afd | 2017-06-06 10:06:21 -0700 | [diff] [blame] | 1984 | /* from IPA 4.0 pipe suspend is not supported */ |
| 1985 | if (ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) |
| 1986 | ipahal_write_reg_n_fields( |
| 1987 | IPA_ENDP_INIT_CTRL_n, |
| 1988 | ep_idx, &ep_suspend); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1989 | } |
| 1990 | } |
| 1991 | } |
| 1992 | |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 1993 | static void ipa3_halt_q6_cons_gsi_channels(void) |
| 1994 | { |
| 1995 | int ep_idx; |
| 1996 | int client_idx; |
| 1997 | const struct ipa_gsi_ep_config *gsi_ep_cfg; |
Michael Adisumarta | f01e9fd | 2017-08-31 12:23:51 -0700 | [diff] [blame] | 1998 | int i; |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 1999 | int ret; |
| 2000 | int code = 0; |
| 2001 | |
| 2002 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 2003 | if (IPA_CLIENT_IS_Q6_CONS(client_idx)) { |
| 2004 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2005 | if (ep_idx == -1) |
| 2006 | continue; |
| 2007 | |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2008 | gsi_ep_cfg = ipa3_get_gsi_ep_info(client_idx); |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2009 | if (!gsi_ep_cfg) { |
| 2010 | IPAERR("failed to get GSI config\n"); |
| 2011 | ipa_assert(); |
| 2012 | return; |
| 2013 | } |
| 2014 | |
| 2015 | ret = gsi_halt_channel_ee( |
| 2016 | gsi_ep_cfg->ipa_gsi_chan_num, gsi_ep_cfg->ee, |
| 2017 | &code); |
Michael Adisumarta | f01e9fd | 2017-08-31 12:23:51 -0700 | [diff] [blame] | 2018 | for (i = 0; i < IPA_GSI_CHANNEL_STOP_MAX_RETRY && |
| 2019 | ret == -GSI_STATUS_AGAIN; i++) { |
| 2020 | IPADBG( |
| 2021 | "ch %d ee %d with code %d\n is busy try again", |
| 2022 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2023 | gsi_ep_cfg->ee, |
| 2024 | code); |
| 2025 | usleep_range(IPA_GSI_CHANNEL_HALT_MIN_SLEEP, |
| 2026 | IPA_GSI_CHANNEL_HALT_MAX_SLEEP); |
| 2027 | ret = gsi_halt_channel_ee( |
| 2028 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2029 | gsi_ep_cfg->ee, &code); |
| 2030 | } |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2031 | if (ret == GSI_STATUS_SUCCESS) |
| 2032 | IPADBG("halted gsi ch %d ee %d with code %d\n", |
| 2033 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2034 | gsi_ep_cfg->ee, |
| 2035 | code); |
| 2036 | else |
| 2037 | IPAERR("failed to halt ch %d ee %d code %d\n", |
| 2038 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2039 | gsi_ep_cfg->ee, |
| 2040 | code); |
| 2041 | } |
| 2042 | } |
| 2043 | } |
| 2044 | |
| 2045 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2046 | static int ipa3_q6_clean_q6_flt_tbls(enum ipa_ip_type ip, |
| 2047 | enum ipa_rule_type rlt) |
| 2048 | { |
| 2049 | struct ipa3_desc *desc; |
| 2050 | struct ipahal_imm_cmd_dma_shared_mem cmd = {0}; |
| 2051 | struct ipahal_imm_cmd_pyld **cmd_pyld; |
| 2052 | int retval = 0; |
| 2053 | int pipe_idx; |
| 2054 | int flt_idx = 0; |
| 2055 | int num_cmds = 0; |
| 2056 | int index; |
| 2057 | u32 lcl_addr_mem_part; |
| 2058 | u32 lcl_hdr_sz; |
| 2059 | struct ipa_mem_buffer mem; |
| 2060 | |
| 2061 | IPADBG("Entry\n"); |
| 2062 | |
| 2063 | if ((ip >= IPA_IP_MAX) || (rlt >= IPA_RULE_TYPE_MAX)) { |
| 2064 | IPAERR("Input Err: ip=%d ; rlt=%d\n", ip, rlt); |
| 2065 | return -EINVAL; |
| 2066 | } |
| 2067 | |
| 2068 | /* Up to filtering pipes we have filtering tables */ |
| 2069 | desc = kcalloc(ipa3_ctx->ep_flt_num, sizeof(struct ipa3_desc), |
| 2070 | GFP_KERNEL); |
| 2071 | if (!desc) { |
| 2072 | IPAERR("failed to allocate memory\n"); |
| 2073 | return -ENOMEM; |
| 2074 | } |
| 2075 | |
| 2076 | cmd_pyld = kcalloc(ipa3_ctx->ep_flt_num, |
| 2077 | sizeof(struct ipahal_imm_cmd_pyld *), GFP_KERNEL); |
| 2078 | if (!cmd_pyld) { |
| 2079 | IPAERR("failed to allocate memory\n"); |
| 2080 | retval = -ENOMEM; |
| 2081 | goto free_desc; |
| 2082 | } |
| 2083 | |
| 2084 | if (ip == IPA_IP_v4) { |
| 2085 | if (rlt == IPA_RULE_HASHABLE) { |
| 2086 | lcl_addr_mem_part = IPA_MEM_PART(v4_flt_hash_ofst); |
| 2087 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_hash_size); |
| 2088 | } else { |
| 2089 | lcl_addr_mem_part = IPA_MEM_PART(v4_flt_nhash_ofst); |
| 2090 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_nhash_size); |
| 2091 | } |
| 2092 | } else { |
| 2093 | if (rlt == IPA_RULE_HASHABLE) { |
| 2094 | lcl_addr_mem_part = IPA_MEM_PART(v6_flt_hash_ofst); |
| 2095 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_hash_size); |
| 2096 | } else { |
| 2097 | lcl_addr_mem_part = IPA_MEM_PART(v6_flt_nhash_ofst); |
| 2098 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_nhash_size); |
| 2099 | } |
| 2100 | } |
| 2101 | |
| 2102 | 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] | 2103 | 0, &mem, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2104 | if (retval) { |
| 2105 | IPAERR("failed to generate flt single tbl empty img\n"); |
| 2106 | goto free_cmd_pyld; |
| 2107 | } |
| 2108 | |
| 2109 | for (pipe_idx = 0; pipe_idx < ipa3_ctx->ipa_num_pipes; pipe_idx++) { |
| 2110 | if (!ipa_is_ep_support_flt(pipe_idx)) |
| 2111 | continue; |
| 2112 | |
| 2113 | /* |
| 2114 | * Iterating over all the filtering pipes which are either |
| 2115 | * invalid but connected or connected but not configured by AP. |
| 2116 | */ |
| 2117 | if (!ipa3_ctx->ep[pipe_idx].valid || |
| 2118 | ipa3_ctx->ep[pipe_idx].skip_ep_cfg) { |
| 2119 | |
| 2120 | cmd.is_read = false; |
| 2121 | cmd.skip_pipeline_clear = false; |
| 2122 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2123 | cmd.size = mem.size; |
| 2124 | cmd.system_addr = mem.phys_base; |
| 2125 | cmd.local_addr = |
| 2126 | ipa3_ctx->smem_restricted_bytes + |
| 2127 | lcl_addr_mem_part + |
| 2128 | ipahal_get_hw_tbl_hdr_width() + |
| 2129 | flt_idx * ipahal_get_hw_tbl_hdr_width(); |
| 2130 | cmd_pyld[num_cmds] = ipahal_construct_imm_cmd( |
| 2131 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 2132 | if (!cmd_pyld[num_cmds]) { |
| 2133 | IPAERR("fail construct dma_shared_mem cmd\n"); |
| 2134 | retval = -ENOMEM; |
| 2135 | goto free_empty_img; |
| 2136 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2137 | desc[num_cmds].opcode = cmd_pyld[num_cmds]->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2138 | desc[num_cmds].pyld = cmd_pyld[num_cmds]->data; |
| 2139 | desc[num_cmds].len = cmd_pyld[num_cmds]->len; |
| 2140 | desc[num_cmds].type = IPA_IMM_CMD_DESC; |
| 2141 | num_cmds++; |
| 2142 | } |
| 2143 | |
| 2144 | flt_idx++; |
| 2145 | } |
| 2146 | |
| 2147 | IPADBG("Sending %d descriptors for flt tbl clearing\n", num_cmds); |
| 2148 | retval = ipa3_send_cmd(num_cmds, desc); |
| 2149 | if (retval) { |
| 2150 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2151 | retval = -EFAULT; |
| 2152 | } |
| 2153 | |
| 2154 | free_empty_img: |
| 2155 | ipahal_free_dma_mem(&mem); |
| 2156 | free_cmd_pyld: |
| 2157 | for (index = 0; index < num_cmds; index++) |
| 2158 | ipahal_destroy_imm_cmd(cmd_pyld[index]); |
| 2159 | kfree(cmd_pyld); |
| 2160 | free_desc: |
| 2161 | kfree(desc); |
| 2162 | return retval; |
| 2163 | } |
| 2164 | |
| 2165 | static int ipa3_q6_clean_q6_rt_tbls(enum ipa_ip_type ip, |
| 2166 | enum ipa_rule_type rlt) |
| 2167 | { |
| 2168 | struct ipa3_desc *desc; |
| 2169 | struct ipahal_imm_cmd_dma_shared_mem cmd = {0}; |
| 2170 | struct ipahal_imm_cmd_pyld *cmd_pyld = NULL; |
| 2171 | int retval = 0; |
| 2172 | u32 modem_rt_index_lo; |
| 2173 | u32 modem_rt_index_hi; |
| 2174 | u32 lcl_addr_mem_part; |
| 2175 | u32 lcl_hdr_sz; |
| 2176 | struct ipa_mem_buffer mem; |
| 2177 | |
| 2178 | IPADBG("Entry\n"); |
| 2179 | |
| 2180 | if ((ip >= IPA_IP_MAX) || (rlt >= IPA_RULE_TYPE_MAX)) { |
| 2181 | IPAERR("Input Err: ip=%d ; rlt=%d\n", ip, rlt); |
| 2182 | return -EINVAL; |
| 2183 | } |
| 2184 | |
| 2185 | if (ip == IPA_IP_v4) { |
| 2186 | modem_rt_index_lo = IPA_MEM_PART(v4_modem_rt_index_lo); |
| 2187 | modem_rt_index_hi = IPA_MEM_PART(v4_modem_rt_index_hi); |
| 2188 | if (rlt == IPA_RULE_HASHABLE) { |
| 2189 | lcl_addr_mem_part = IPA_MEM_PART(v4_rt_hash_ofst); |
| 2190 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_hash_size); |
| 2191 | } else { |
| 2192 | lcl_addr_mem_part = IPA_MEM_PART(v4_rt_nhash_ofst); |
| 2193 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_nhash_size); |
| 2194 | } |
| 2195 | } else { |
| 2196 | modem_rt_index_lo = IPA_MEM_PART(v6_modem_rt_index_lo); |
| 2197 | modem_rt_index_hi = IPA_MEM_PART(v6_modem_rt_index_hi); |
| 2198 | if (rlt == IPA_RULE_HASHABLE) { |
| 2199 | lcl_addr_mem_part = IPA_MEM_PART(v6_rt_hash_ofst); |
| 2200 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_hash_size); |
| 2201 | } else { |
| 2202 | lcl_addr_mem_part = IPA_MEM_PART(v6_rt_nhash_ofst); |
| 2203 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_nhash_size); |
| 2204 | } |
| 2205 | } |
| 2206 | |
| 2207 | retval = ipahal_rt_generate_empty_img( |
| 2208 | modem_rt_index_hi - modem_rt_index_lo + 1, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 2209 | lcl_hdr_sz, lcl_hdr_sz, &mem, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2210 | if (retval) { |
| 2211 | IPAERR("fail generate empty rt img\n"); |
| 2212 | return -ENOMEM; |
| 2213 | } |
| 2214 | |
| 2215 | desc = kzalloc(sizeof(struct ipa3_desc), GFP_KERNEL); |
| 2216 | if (!desc) { |
| 2217 | IPAERR("failed to allocate memory\n"); |
| 2218 | goto free_empty_img; |
| 2219 | } |
| 2220 | |
| 2221 | cmd.is_read = false; |
| 2222 | cmd.skip_pipeline_clear = false; |
| 2223 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2224 | cmd.size = mem.size; |
| 2225 | cmd.system_addr = mem.phys_base; |
| 2226 | cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2227 | lcl_addr_mem_part + |
| 2228 | modem_rt_index_lo * ipahal_get_hw_tbl_hdr_width(); |
| 2229 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2230 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 2231 | if (!cmd_pyld) { |
| 2232 | IPAERR("failed to construct dma_shared_mem imm cmd\n"); |
| 2233 | retval = -ENOMEM; |
| 2234 | goto free_desc; |
| 2235 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2236 | desc->opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2237 | desc->pyld = cmd_pyld->data; |
| 2238 | desc->len = cmd_pyld->len; |
| 2239 | desc->type = IPA_IMM_CMD_DESC; |
| 2240 | |
| 2241 | IPADBG("Sending 1 descriptor for rt tbl clearing\n"); |
| 2242 | retval = ipa3_send_cmd(1, desc); |
| 2243 | if (retval) { |
| 2244 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2245 | retval = -EFAULT; |
| 2246 | } |
| 2247 | |
| 2248 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2249 | free_desc: |
| 2250 | kfree(desc); |
| 2251 | free_empty_img: |
| 2252 | ipahal_free_dma_mem(&mem); |
| 2253 | return retval; |
| 2254 | } |
| 2255 | |
| 2256 | static int ipa3_q6_clean_q6_tables(void) |
| 2257 | { |
| 2258 | struct ipa3_desc *desc; |
| 2259 | struct ipahal_imm_cmd_pyld *cmd_pyld = NULL; |
| 2260 | struct ipahal_imm_cmd_register_write reg_write_cmd = {0}; |
| 2261 | int retval; |
| 2262 | struct ipahal_reg_fltrt_hash_flush flush; |
| 2263 | struct ipahal_reg_valmask valmask; |
| 2264 | |
| 2265 | IPADBG("Entry\n"); |
| 2266 | |
| 2267 | |
| 2268 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v4, IPA_RULE_HASHABLE)) { |
| 2269 | IPAERR("failed to clean q6 flt tbls (v4/hashable)\n"); |
| 2270 | return -EFAULT; |
| 2271 | } |
| 2272 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v6, IPA_RULE_HASHABLE)) { |
| 2273 | IPAERR("failed to clean q6 flt tbls (v6/hashable)\n"); |
| 2274 | return -EFAULT; |
| 2275 | } |
| 2276 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v4, IPA_RULE_NON_HASHABLE)) { |
| 2277 | IPAERR("failed to clean q6 flt tbls (v4/non-hashable)\n"); |
| 2278 | return -EFAULT; |
| 2279 | } |
| 2280 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v6, IPA_RULE_NON_HASHABLE)) { |
| 2281 | IPAERR("failed to clean q6 flt tbls (v6/non-hashable)\n"); |
| 2282 | return -EFAULT; |
| 2283 | } |
| 2284 | |
| 2285 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v4, IPA_RULE_HASHABLE)) { |
| 2286 | IPAERR("failed to clean q6 rt tbls (v4/hashable)\n"); |
| 2287 | return -EFAULT; |
| 2288 | } |
| 2289 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v6, IPA_RULE_HASHABLE)) { |
| 2290 | IPAERR("failed to clean q6 rt tbls (v6/hashable)\n"); |
| 2291 | return -EFAULT; |
| 2292 | } |
| 2293 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v4, IPA_RULE_NON_HASHABLE)) { |
| 2294 | IPAERR("failed to clean q6 rt tbls (v4/non-hashable)\n"); |
| 2295 | return -EFAULT; |
| 2296 | } |
| 2297 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v6, IPA_RULE_NON_HASHABLE)) { |
| 2298 | IPAERR("failed to clean q6 rt tbls (v6/non-hashable)\n"); |
| 2299 | return -EFAULT; |
| 2300 | } |
| 2301 | |
| 2302 | /* Flush rules cache */ |
| 2303 | desc = kzalloc(sizeof(struct ipa3_desc), GFP_KERNEL); |
| 2304 | if (!desc) { |
| 2305 | IPAERR("failed to allocate memory\n"); |
| 2306 | return -ENOMEM; |
| 2307 | } |
| 2308 | |
| 2309 | flush.v4_flt = true; |
| 2310 | flush.v4_rt = true; |
| 2311 | flush.v6_flt = true; |
| 2312 | flush.v6_rt = true; |
| 2313 | ipahal_get_fltrt_hash_flush_valmask(&flush, &valmask); |
| 2314 | reg_write_cmd.skip_pipeline_clear = false; |
| 2315 | reg_write_cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2316 | reg_write_cmd.offset = ipahal_get_reg_ofst(IPA_FILT_ROUT_HASH_FLUSH); |
| 2317 | reg_write_cmd.value = valmask.val; |
| 2318 | reg_write_cmd.value_mask = valmask.mask; |
| 2319 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_REGISTER_WRITE, |
| 2320 | ®_write_cmd, false); |
| 2321 | if (!cmd_pyld) { |
| 2322 | IPAERR("fail construct register_write imm cmd\n"); |
| 2323 | retval = -EFAULT; |
| 2324 | goto bail_desc; |
| 2325 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2326 | desc->opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2327 | desc->pyld = cmd_pyld->data; |
| 2328 | desc->len = cmd_pyld->len; |
| 2329 | desc->type = IPA_IMM_CMD_DESC; |
| 2330 | |
| 2331 | IPADBG("Sending 1 descriptor for tbls flush\n"); |
| 2332 | retval = ipa3_send_cmd(1, desc); |
| 2333 | if (retval) { |
| 2334 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2335 | retval = -EFAULT; |
| 2336 | } |
| 2337 | |
| 2338 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2339 | |
| 2340 | bail_desc: |
| 2341 | kfree(desc); |
| 2342 | IPADBG("Done - retval = %d\n", retval); |
| 2343 | return retval; |
| 2344 | } |
| 2345 | |
| 2346 | static int ipa3_q6_set_ex_path_to_apps(void) |
| 2347 | { |
| 2348 | int ep_idx; |
| 2349 | int client_idx; |
| 2350 | struct ipa3_desc *desc; |
| 2351 | int num_descs = 0; |
| 2352 | int index; |
| 2353 | struct ipahal_imm_cmd_register_write reg_write; |
| 2354 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2355 | int retval; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2356 | |
| 2357 | desc = kcalloc(ipa3_ctx->ipa_num_pipes, sizeof(struct ipa3_desc), |
| 2358 | GFP_KERNEL); |
| 2359 | if (!desc) { |
| 2360 | IPAERR("failed to allocate memory\n"); |
| 2361 | return -ENOMEM; |
| 2362 | } |
| 2363 | |
| 2364 | /* Set the exception path to AP */ |
| 2365 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 2366 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2367 | if (ep_idx == -1) |
| 2368 | continue; |
| 2369 | |
Skylar Chang | 5313711 | 2017-05-12 17:13:13 -0700 | [diff] [blame] | 2370 | /* disable statuses for all modem controlled prod pipes */ |
| 2371 | if (IPA_CLIENT_IS_Q6_PROD(client_idx) || |
| 2372 | (ipa3_ctx->ep[ep_idx].valid && |
| 2373 | ipa3_ctx->ep[ep_idx].skip_ep_cfg)) { |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2374 | ipa_assert_on(num_descs >= ipa3_ctx->ipa_num_pipes); |
| 2375 | |
| 2376 | reg_write.skip_pipeline_clear = false; |
| 2377 | reg_write.pipeline_clear_options = |
| 2378 | IPAHAL_HPS_CLEAR; |
| 2379 | reg_write.offset = |
| 2380 | ipahal_get_reg_n_ofst(IPA_ENDP_STATUS_n, |
| 2381 | ep_idx); |
| 2382 | reg_write.value = 0; |
| 2383 | reg_write.value_mask = ~0; |
| 2384 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2385 | IPA_IMM_CMD_REGISTER_WRITE, ®_write, false); |
| 2386 | if (!cmd_pyld) { |
| 2387 | IPAERR("fail construct register_write cmd\n"); |
| 2388 | ipa_assert(); |
| 2389 | return -EFAULT; |
| 2390 | } |
| 2391 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2392 | desc[num_descs].opcode = cmd_pyld->opcode; |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2393 | desc[num_descs].type = IPA_IMM_CMD_DESC; |
| 2394 | desc[num_descs].callback = ipa3_destroy_imm; |
| 2395 | desc[num_descs].user1 = cmd_pyld; |
| 2396 | desc[num_descs].pyld = cmd_pyld->data; |
| 2397 | desc[num_descs].len = cmd_pyld->len; |
| 2398 | num_descs++; |
| 2399 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2400 | } |
| 2401 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 2402 | /* Will wait 500msecs for IPA tag process completion */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2403 | retval = ipa3_tag_process(desc, num_descs, |
| 2404 | msecs_to_jiffies(CLEANUP_TAG_PROCESS_TIMEOUT)); |
| 2405 | if (retval) { |
| 2406 | IPAERR("TAG process failed! (error %d)\n", retval); |
| 2407 | /* For timeout error ipa3_destroy_imm cb will destroy user1 */ |
| 2408 | if (retval != -ETIME) { |
| 2409 | for (index = 0; index < num_descs; index++) |
| 2410 | if (desc[index].callback) |
| 2411 | desc[index].callback(desc[index].user1, |
| 2412 | desc[index].user2); |
| 2413 | retval = -EINVAL; |
| 2414 | } |
| 2415 | } |
| 2416 | |
| 2417 | kfree(desc); |
| 2418 | |
| 2419 | return retval; |
| 2420 | } |
| 2421 | |
| 2422 | /** |
| 2423 | * ipa3_q6_pre_shutdown_cleanup() - A cleanup for all Q6 related configuration |
| 2424 | * in IPA HW. This is performed in case of SSR. |
| 2425 | * |
| 2426 | * This is a mandatory procedure, in case one of the steps fails, the |
| 2427 | * AP needs to restart. |
| 2428 | */ |
| 2429 | void ipa3_q6_pre_shutdown_cleanup(void) |
| 2430 | { |
| 2431 | IPADBG_LOW("ENTER\n"); |
| 2432 | |
| 2433 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2434 | |
| 2435 | ipa3_q6_pipe_delay(true); |
| 2436 | ipa3_q6_avoid_holb(); |
| 2437 | if (ipa3_q6_clean_q6_tables()) { |
| 2438 | IPAERR("Failed to clean Q6 tables\n"); |
| 2439 | BUG(); |
| 2440 | } |
| 2441 | if (ipa3_q6_set_ex_path_to_apps()) { |
| 2442 | IPAERR("Failed to redirect exceptions to APPS\n"); |
| 2443 | BUG(); |
| 2444 | } |
| 2445 | /* Remove delay from Q6 PRODs to avoid pending descriptors |
| 2446 | * on pipe reset procedure |
| 2447 | */ |
| 2448 | ipa3_q6_pipe_delay(false); |
| 2449 | |
| 2450 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2451 | IPADBG_LOW("Exit with success\n"); |
| 2452 | } |
| 2453 | |
| 2454 | /* |
| 2455 | * ipa3_q6_post_shutdown_cleanup() - As part of this cleanup |
| 2456 | * check if GSI channel related to Q6 producer client is empty. |
| 2457 | * |
| 2458 | * Q6 GSI channel emptiness is needed to garantee no descriptors with invalid |
| 2459 | * info are injected into IPA RX from IPA_IF, while modem is restarting. |
| 2460 | */ |
| 2461 | void ipa3_q6_post_shutdown_cleanup(void) |
| 2462 | { |
| 2463 | int client_idx; |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2464 | int ep_idx; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2465 | |
| 2466 | IPADBG_LOW("ENTER\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2467 | |
| 2468 | if (!ipa3_ctx->uc_ctx.uc_loaded) { |
| 2469 | IPAERR("uC is not loaded. Skipping\n"); |
| 2470 | return; |
| 2471 | } |
| 2472 | |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2473 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2474 | |
| 2475 | /* Handle the issue where SUSPEND was removed for some reason */ |
| 2476 | ipa3_q6_avoid_holb(); |
| 2477 | ipa3_halt_q6_cons_gsi_channels(); |
| 2478 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2479 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) |
| 2480 | if (IPA_CLIENT_IS_Q6_PROD(client_idx)) { |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2481 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2482 | if (ep_idx == -1) |
| 2483 | continue; |
| 2484 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2485 | if (ipa3_uc_is_gsi_channel_empty(client_idx)) { |
| 2486 | IPAERR("fail to validate Q6 ch emptiness %d\n", |
| 2487 | client_idx); |
| 2488 | BUG(); |
| 2489 | return; |
| 2490 | } |
| 2491 | } |
| 2492 | |
| 2493 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2494 | IPADBG_LOW("Exit with success\n"); |
| 2495 | } |
| 2496 | |
| 2497 | static inline void ipa3_sram_set_canary(u32 *sram_mmio, int offset) |
| 2498 | { |
| 2499 | /* Set 4 bytes of CANARY before the offset */ |
| 2500 | sram_mmio[(offset - 4) / 4] = IPA_MEM_CANARY_VAL; |
| 2501 | } |
| 2502 | |
| 2503 | /** |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2504 | * _ipa_init_sram_v3() - Initialize IPA local SRAM. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2505 | * |
| 2506 | * Return codes: 0 for success, negative value for failure |
| 2507 | */ |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2508 | int _ipa_init_sram_v3(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2509 | { |
| 2510 | u32 *ipa_sram_mmio; |
| 2511 | unsigned long phys_addr; |
| 2512 | |
| 2513 | phys_addr = ipa3_ctx->ipa_wrapper_base + |
| 2514 | ipa3_ctx->ctrl->ipa_reg_base_ofst + |
| 2515 | ipahal_get_reg_n_ofst(IPA_SRAM_DIRECT_ACCESS_n, |
| 2516 | ipa3_ctx->smem_restricted_bytes / 4); |
| 2517 | |
| 2518 | ipa_sram_mmio = ioremap(phys_addr, ipa3_ctx->smem_sz); |
| 2519 | if (!ipa_sram_mmio) { |
| 2520 | IPAERR("fail to ioremap IPA SRAM\n"); |
| 2521 | return -ENOMEM; |
| 2522 | } |
| 2523 | |
| 2524 | /* Consult with ipa_i.h on the location of the CANARY values */ |
| 2525 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_hash_ofst) - 4); |
| 2526 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_hash_ofst)); |
| 2527 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2528 | IPA_MEM_PART(v4_flt_nhash_ofst) - 4); |
| 2529 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_nhash_ofst)); |
| 2530 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_hash_ofst) - 4); |
| 2531 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_hash_ofst)); |
| 2532 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2533 | IPA_MEM_PART(v6_flt_nhash_ofst) - 4); |
| 2534 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_nhash_ofst)); |
| 2535 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_hash_ofst) - 4); |
| 2536 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_hash_ofst)); |
| 2537 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_nhash_ofst) - 4); |
| 2538 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_nhash_ofst)); |
| 2539 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_hash_ofst) - 4); |
| 2540 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_hash_ofst)); |
| 2541 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_nhash_ofst) - 4); |
| 2542 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_nhash_ofst)); |
| 2543 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_hdr_ofst) - 4); |
| 2544 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_hdr_ofst)); |
| 2545 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2546 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst) - 4); |
| 2547 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2548 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst)); |
| 2549 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_ofst) - 4); |
| 2550 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_ofst)); |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2551 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2552 | (ipa_get_hw_type() >= IPA_HW_v3_5) ? |
| 2553 | IPA_MEM_PART(uc_event_ring_ofst) : |
| 2554 | IPA_MEM_PART(end_ofst)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2555 | |
| 2556 | iounmap(ipa_sram_mmio); |
| 2557 | |
| 2558 | return 0; |
| 2559 | } |
| 2560 | |
| 2561 | /** |
| 2562 | * _ipa_init_hdr_v3_0() - Initialize IPA header block. |
| 2563 | * |
| 2564 | * Return codes: 0 for success, negative value for failure |
| 2565 | */ |
| 2566 | int _ipa_init_hdr_v3_0(void) |
| 2567 | { |
| 2568 | struct ipa3_desc desc = { 0 }; |
| 2569 | struct ipa_mem_buffer mem; |
| 2570 | struct ipahal_imm_cmd_hdr_init_local cmd = {0}; |
| 2571 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2572 | struct ipahal_imm_cmd_dma_shared_mem dma_cmd = { 0 }; |
| 2573 | |
| 2574 | mem.size = IPA_MEM_PART(modem_hdr_size) + IPA_MEM_PART(apps_hdr_size); |
| 2575 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, &mem.phys_base, |
| 2576 | GFP_KERNEL); |
| 2577 | if (!mem.base) { |
| 2578 | IPAERR("fail to alloc DMA buff of size %d\n", mem.size); |
| 2579 | return -ENOMEM; |
| 2580 | } |
| 2581 | memset(mem.base, 0, mem.size); |
| 2582 | |
| 2583 | cmd.hdr_table_addr = mem.phys_base; |
| 2584 | cmd.size_hdr_table = mem.size; |
| 2585 | cmd.hdr_addr = ipa3_ctx->smem_restricted_bytes + |
| 2586 | IPA_MEM_PART(modem_hdr_ofst); |
| 2587 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2588 | IPA_IMM_CMD_HDR_INIT_LOCAL, &cmd, false); |
| 2589 | if (!cmd_pyld) { |
| 2590 | IPAERR("fail to construct hdr_init_local imm cmd\n"); |
| 2591 | dma_free_coherent(ipa3_ctx->pdev, |
| 2592 | mem.size, mem.base, |
| 2593 | mem.phys_base); |
| 2594 | return -EFAULT; |
| 2595 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2596 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2597 | desc.type = IPA_IMM_CMD_DESC; |
| 2598 | desc.pyld = cmd_pyld->data; |
| 2599 | desc.len = cmd_pyld->len; |
| 2600 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2601 | |
| 2602 | if (ipa3_send_cmd(1, &desc)) { |
| 2603 | IPAERR("fail to send immediate command\n"); |
| 2604 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2605 | dma_free_coherent(ipa3_ctx->pdev, |
| 2606 | mem.size, mem.base, |
| 2607 | mem.phys_base); |
| 2608 | return -EFAULT; |
| 2609 | } |
| 2610 | |
| 2611 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2612 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, mem.phys_base); |
| 2613 | |
| 2614 | mem.size = IPA_MEM_PART(modem_hdr_proc_ctx_size) + |
| 2615 | IPA_MEM_PART(apps_hdr_proc_ctx_size); |
| 2616 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, &mem.phys_base, |
| 2617 | GFP_KERNEL); |
| 2618 | if (!mem.base) { |
| 2619 | IPAERR("fail to alloc DMA buff of size %d\n", mem.size); |
| 2620 | return -ENOMEM; |
| 2621 | } |
| 2622 | memset(mem.base, 0, mem.size); |
| 2623 | memset(&desc, 0, sizeof(desc)); |
| 2624 | |
| 2625 | dma_cmd.is_read = false; |
| 2626 | dma_cmd.skip_pipeline_clear = false; |
| 2627 | dma_cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2628 | dma_cmd.system_addr = mem.phys_base; |
| 2629 | dma_cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2630 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst); |
| 2631 | dma_cmd.size = mem.size; |
| 2632 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2633 | IPA_IMM_CMD_DMA_SHARED_MEM, &dma_cmd, false); |
| 2634 | if (!cmd_pyld) { |
| 2635 | IPAERR("fail to construct dma_shared_mem imm\n"); |
| 2636 | dma_free_coherent(ipa3_ctx->pdev, |
| 2637 | mem.size, mem.base, |
| 2638 | mem.phys_base); |
| 2639 | return -EFAULT; |
| 2640 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2641 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2642 | desc.pyld = cmd_pyld->data; |
| 2643 | desc.len = cmd_pyld->len; |
| 2644 | desc.type = IPA_IMM_CMD_DESC; |
| 2645 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2646 | |
| 2647 | if (ipa3_send_cmd(1, &desc)) { |
| 2648 | IPAERR("fail to send immediate command\n"); |
| 2649 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2650 | dma_free_coherent(ipa3_ctx->pdev, |
| 2651 | mem.size, |
| 2652 | mem.base, |
| 2653 | mem.phys_base); |
| 2654 | return -EFAULT; |
| 2655 | } |
| 2656 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2657 | |
| 2658 | ipahal_write_reg(IPA_LOCAL_PKT_PROC_CNTXT_BASE, dma_cmd.local_addr); |
| 2659 | |
| 2660 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, mem.phys_base); |
| 2661 | |
| 2662 | return 0; |
| 2663 | } |
| 2664 | |
| 2665 | /** |
| 2666 | * _ipa_init_rt4_v3() - Initialize IPA routing block for IPv4. |
| 2667 | * |
| 2668 | * Return codes: 0 for success, negative value for failure |
| 2669 | */ |
| 2670 | int _ipa_init_rt4_v3(void) |
| 2671 | { |
| 2672 | struct ipa3_desc desc = { 0 }; |
| 2673 | struct ipa_mem_buffer mem; |
| 2674 | struct ipahal_imm_cmd_ip_v4_routing_init v4_cmd; |
| 2675 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2676 | int i; |
| 2677 | int rc = 0; |
| 2678 | |
| 2679 | for (i = IPA_MEM_PART(v4_modem_rt_index_lo); |
| 2680 | i <= IPA_MEM_PART(v4_modem_rt_index_hi); |
| 2681 | i++) |
| 2682 | ipa3_ctx->rt_idx_bitmap[IPA_IP_v4] |= (1 << i); |
| 2683 | IPADBG("v4 rt bitmap 0x%lx\n", ipa3_ctx->rt_idx_bitmap[IPA_IP_v4]); |
| 2684 | |
| 2685 | rc = ipahal_rt_generate_empty_img(IPA_MEM_PART(v4_rt_num_index), |
| 2686 | 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] | 2687 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2688 | if (rc) { |
| 2689 | IPAERR("fail generate empty v4 rt img\n"); |
| 2690 | return rc; |
| 2691 | } |
| 2692 | |
| 2693 | v4_cmd.hash_rules_addr = mem.phys_base; |
| 2694 | v4_cmd.hash_rules_size = mem.size; |
| 2695 | v4_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2696 | IPA_MEM_PART(v4_rt_hash_ofst); |
| 2697 | v4_cmd.nhash_rules_addr = mem.phys_base; |
| 2698 | v4_cmd.nhash_rules_size = mem.size; |
| 2699 | v4_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2700 | IPA_MEM_PART(v4_rt_nhash_ofst); |
| 2701 | IPADBG("putting hashable routing IPv4 rules to phys 0x%x\n", |
| 2702 | v4_cmd.hash_local_addr); |
| 2703 | IPADBG("putting non-hashable routing IPv4 rules to phys 0x%x\n", |
| 2704 | v4_cmd.nhash_local_addr); |
| 2705 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2706 | IPA_IMM_CMD_IP_V4_ROUTING_INIT, &v4_cmd, false); |
| 2707 | if (!cmd_pyld) { |
| 2708 | IPAERR("fail construct ip_v4_rt_init imm cmd\n"); |
| 2709 | rc = -EPERM; |
| 2710 | goto free_mem; |
| 2711 | } |
| 2712 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2713 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2714 | desc.type = IPA_IMM_CMD_DESC; |
| 2715 | desc.pyld = cmd_pyld->data; |
| 2716 | desc.len = cmd_pyld->len; |
| 2717 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2718 | |
| 2719 | if (ipa3_send_cmd(1, &desc)) { |
| 2720 | IPAERR("fail to send immediate command\n"); |
| 2721 | rc = -EFAULT; |
| 2722 | } |
| 2723 | |
| 2724 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2725 | |
| 2726 | free_mem: |
| 2727 | ipahal_free_dma_mem(&mem); |
| 2728 | return rc; |
| 2729 | } |
| 2730 | |
| 2731 | /** |
| 2732 | * _ipa_init_rt6_v3() - Initialize IPA routing block for IPv6. |
| 2733 | * |
| 2734 | * Return codes: 0 for success, negative value for failure |
| 2735 | */ |
| 2736 | int _ipa_init_rt6_v3(void) |
| 2737 | { |
| 2738 | struct ipa3_desc desc = { 0 }; |
| 2739 | struct ipa_mem_buffer mem; |
| 2740 | struct ipahal_imm_cmd_ip_v6_routing_init v6_cmd; |
| 2741 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2742 | int i; |
| 2743 | int rc = 0; |
| 2744 | |
| 2745 | for (i = IPA_MEM_PART(v6_modem_rt_index_lo); |
| 2746 | i <= IPA_MEM_PART(v6_modem_rt_index_hi); |
| 2747 | i++) |
| 2748 | ipa3_ctx->rt_idx_bitmap[IPA_IP_v6] |= (1 << i); |
| 2749 | IPADBG("v6 rt bitmap 0x%lx\n", ipa3_ctx->rt_idx_bitmap[IPA_IP_v6]); |
| 2750 | |
| 2751 | rc = ipahal_rt_generate_empty_img(IPA_MEM_PART(v6_rt_num_index), |
| 2752 | 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] | 2753 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2754 | if (rc) { |
| 2755 | IPAERR("fail generate empty v6 rt img\n"); |
| 2756 | return rc; |
| 2757 | } |
| 2758 | |
| 2759 | v6_cmd.hash_rules_addr = mem.phys_base; |
| 2760 | v6_cmd.hash_rules_size = mem.size; |
| 2761 | v6_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2762 | IPA_MEM_PART(v6_rt_hash_ofst); |
| 2763 | v6_cmd.nhash_rules_addr = mem.phys_base; |
| 2764 | v6_cmd.nhash_rules_size = mem.size; |
| 2765 | v6_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2766 | IPA_MEM_PART(v6_rt_nhash_ofst); |
| 2767 | IPADBG("putting hashable routing IPv6 rules to phys 0x%x\n", |
| 2768 | v6_cmd.hash_local_addr); |
| 2769 | IPADBG("putting non-hashable routing IPv6 rules to phys 0x%x\n", |
| 2770 | v6_cmd.nhash_local_addr); |
| 2771 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2772 | IPA_IMM_CMD_IP_V6_ROUTING_INIT, &v6_cmd, false); |
| 2773 | if (!cmd_pyld) { |
| 2774 | IPAERR("fail construct ip_v6_rt_init imm cmd\n"); |
| 2775 | rc = -EPERM; |
| 2776 | goto free_mem; |
| 2777 | } |
| 2778 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2779 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2780 | desc.type = IPA_IMM_CMD_DESC; |
| 2781 | desc.pyld = cmd_pyld->data; |
| 2782 | desc.len = cmd_pyld->len; |
| 2783 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2784 | |
| 2785 | if (ipa3_send_cmd(1, &desc)) { |
| 2786 | IPAERR("fail to send immediate command\n"); |
| 2787 | rc = -EFAULT; |
| 2788 | } |
| 2789 | |
| 2790 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2791 | |
| 2792 | free_mem: |
| 2793 | ipahal_free_dma_mem(&mem); |
| 2794 | return rc; |
| 2795 | } |
| 2796 | |
| 2797 | /** |
| 2798 | * _ipa_init_flt4_v3() - Initialize IPA filtering block for IPv4. |
| 2799 | * |
| 2800 | * Return codes: 0 for success, negative value for failure |
| 2801 | */ |
| 2802 | int _ipa_init_flt4_v3(void) |
| 2803 | { |
| 2804 | struct ipa3_desc desc = { 0 }; |
| 2805 | struct ipa_mem_buffer mem; |
| 2806 | struct ipahal_imm_cmd_ip_v4_filter_init v4_cmd; |
| 2807 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2808 | int rc; |
| 2809 | |
| 2810 | rc = ipahal_flt_generate_empty_img(ipa3_ctx->ep_flt_num, |
| 2811 | IPA_MEM_PART(v4_flt_hash_size), |
| 2812 | IPA_MEM_PART(v4_flt_nhash_size), ipa3_ctx->ep_flt_bitmap, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 2813 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2814 | if (rc) { |
| 2815 | IPAERR("fail generate empty v4 flt img\n"); |
| 2816 | return rc; |
| 2817 | } |
| 2818 | |
| 2819 | v4_cmd.hash_rules_addr = mem.phys_base; |
| 2820 | v4_cmd.hash_rules_size = mem.size; |
| 2821 | v4_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2822 | IPA_MEM_PART(v4_flt_hash_ofst); |
| 2823 | v4_cmd.nhash_rules_addr = mem.phys_base; |
| 2824 | v4_cmd.nhash_rules_size = mem.size; |
| 2825 | v4_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2826 | IPA_MEM_PART(v4_flt_nhash_ofst); |
| 2827 | IPADBG("putting hashable filtering IPv4 rules to phys 0x%x\n", |
| 2828 | v4_cmd.hash_local_addr); |
| 2829 | IPADBG("putting non-hashable filtering IPv4 rules to phys 0x%x\n", |
| 2830 | v4_cmd.nhash_local_addr); |
| 2831 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2832 | IPA_IMM_CMD_IP_V4_FILTER_INIT, &v4_cmd, false); |
| 2833 | if (!cmd_pyld) { |
| 2834 | IPAERR("fail construct ip_v4_flt_init imm cmd\n"); |
| 2835 | rc = -EPERM; |
| 2836 | goto free_mem; |
| 2837 | } |
| 2838 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2839 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2840 | desc.type = IPA_IMM_CMD_DESC; |
| 2841 | desc.pyld = cmd_pyld->data; |
| 2842 | desc.len = cmd_pyld->len; |
| 2843 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2844 | |
| 2845 | if (ipa3_send_cmd(1, &desc)) { |
| 2846 | IPAERR("fail to send immediate command\n"); |
| 2847 | rc = -EFAULT; |
| 2848 | } |
| 2849 | |
| 2850 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2851 | |
| 2852 | free_mem: |
| 2853 | ipahal_free_dma_mem(&mem); |
| 2854 | return rc; |
| 2855 | } |
| 2856 | |
| 2857 | /** |
| 2858 | * _ipa_init_flt6_v3() - Initialize IPA filtering block for IPv6. |
| 2859 | * |
| 2860 | * Return codes: 0 for success, negative value for failure |
| 2861 | */ |
| 2862 | int _ipa_init_flt6_v3(void) |
| 2863 | { |
| 2864 | struct ipa3_desc desc = { 0 }; |
| 2865 | struct ipa_mem_buffer mem; |
| 2866 | struct ipahal_imm_cmd_ip_v6_filter_init v6_cmd; |
| 2867 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2868 | int rc; |
| 2869 | |
| 2870 | rc = ipahal_flt_generate_empty_img(ipa3_ctx->ep_flt_num, |
| 2871 | IPA_MEM_PART(v6_flt_hash_size), |
| 2872 | IPA_MEM_PART(v6_flt_nhash_size), ipa3_ctx->ep_flt_bitmap, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 2873 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2874 | if (rc) { |
| 2875 | IPAERR("fail generate empty v6 flt img\n"); |
| 2876 | return rc; |
| 2877 | } |
| 2878 | |
| 2879 | v6_cmd.hash_rules_addr = mem.phys_base; |
| 2880 | v6_cmd.hash_rules_size = mem.size; |
| 2881 | v6_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2882 | IPA_MEM_PART(v6_flt_hash_ofst); |
| 2883 | v6_cmd.nhash_rules_addr = mem.phys_base; |
| 2884 | v6_cmd.nhash_rules_size = mem.size; |
| 2885 | v6_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2886 | IPA_MEM_PART(v6_flt_nhash_ofst); |
| 2887 | IPADBG("putting hashable filtering IPv6 rules to phys 0x%x\n", |
| 2888 | v6_cmd.hash_local_addr); |
| 2889 | IPADBG("putting non-hashable filtering IPv6 rules to phys 0x%x\n", |
| 2890 | v6_cmd.nhash_local_addr); |
| 2891 | |
| 2892 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2893 | IPA_IMM_CMD_IP_V6_FILTER_INIT, &v6_cmd, false); |
| 2894 | if (!cmd_pyld) { |
| 2895 | IPAERR("fail construct ip_v6_flt_init imm cmd\n"); |
| 2896 | rc = -EPERM; |
| 2897 | goto free_mem; |
| 2898 | } |
| 2899 | |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 2900 | desc.opcode = cmd_pyld->opcode; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2901 | desc.type = IPA_IMM_CMD_DESC; |
| 2902 | desc.pyld = cmd_pyld->data; |
| 2903 | desc.len = cmd_pyld->len; |
| 2904 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2905 | |
| 2906 | if (ipa3_send_cmd(1, &desc)) { |
| 2907 | IPAERR("fail to send immediate command\n"); |
| 2908 | rc = -EFAULT; |
| 2909 | } |
| 2910 | |
| 2911 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2912 | |
| 2913 | free_mem: |
| 2914 | ipahal_free_dma_mem(&mem); |
| 2915 | return rc; |
| 2916 | } |
| 2917 | |
| 2918 | static int ipa3_setup_flt_hash_tuple(void) |
| 2919 | { |
| 2920 | int pipe_idx; |
| 2921 | struct ipahal_reg_hash_tuple tuple; |
| 2922 | |
| 2923 | memset(&tuple, 0, sizeof(struct ipahal_reg_hash_tuple)); |
| 2924 | |
| 2925 | for (pipe_idx = 0; pipe_idx < ipa3_ctx->ipa_num_pipes ; pipe_idx++) { |
| 2926 | if (!ipa_is_ep_support_flt(pipe_idx)) |
| 2927 | continue; |
| 2928 | |
| 2929 | if (ipa_is_modem_pipe(pipe_idx)) |
| 2930 | continue; |
| 2931 | |
| 2932 | if (ipa3_set_flt_tuple_mask(pipe_idx, &tuple)) { |
| 2933 | IPAERR("failed to setup pipe %d flt tuple\n", pipe_idx); |
| 2934 | return -EFAULT; |
| 2935 | } |
| 2936 | } |
| 2937 | |
| 2938 | return 0; |
| 2939 | } |
| 2940 | |
| 2941 | static int ipa3_setup_rt_hash_tuple(void) |
| 2942 | { |
| 2943 | int tbl_idx; |
| 2944 | struct ipahal_reg_hash_tuple tuple; |
| 2945 | |
| 2946 | memset(&tuple, 0, sizeof(struct ipahal_reg_hash_tuple)); |
| 2947 | |
| 2948 | for (tbl_idx = 0; |
| 2949 | tbl_idx < max(IPA_MEM_PART(v6_rt_num_index), |
| 2950 | IPA_MEM_PART(v4_rt_num_index)); |
| 2951 | tbl_idx++) { |
| 2952 | |
| 2953 | if (tbl_idx >= IPA_MEM_PART(v4_modem_rt_index_lo) && |
| 2954 | tbl_idx <= IPA_MEM_PART(v4_modem_rt_index_hi)) |
| 2955 | continue; |
| 2956 | |
| 2957 | if (tbl_idx >= IPA_MEM_PART(v6_modem_rt_index_lo) && |
| 2958 | tbl_idx <= IPA_MEM_PART(v6_modem_rt_index_hi)) |
| 2959 | continue; |
| 2960 | |
| 2961 | if (ipa3_set_rt_tuple_mask(tbl_idx, &tuple)) { |
| 2962 | IPAERR("failed to setup tbl %d rt tuple\n", tbl_idx); |
| 2963 | return -EFAULT; |
| 2964 | } |
| 2965 | } |
| 2966 | |
| 2967 | return 0; |
| 2968 | } |
| 2969 | |
| 2970 | static int ipa3_setup_apps_pipes(void) |
| 2971 | { |
| 2972 | struct ipa_sys_connect_params sys_in; |
| 2973 | int result = 0; |
| 2974 | |
| 2975 | if (ipa3_ctx->gsi_ch20_wa) { |
| 2976 | IPADBG("Allocating GSI physical channel 20\n"); |
| 2977 | result = ipa_gsi_ch20_wa(); |
| 2978 | if (result) { |
| 2979 | IPAERR("ipa_gsi_ch20_wa failed %d\n", result); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 2980 | goto fail_ch20_wa; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2981 | } |
| 2982 | } |
| 2983 | |
Skylar Chang | d407e59 | 2017-03-30 11:25:30 -0700 | [diff] [blame] | 2984 | /* allocate the common PROD event ring */ |
| 2985 | if (ipa3_alloc_common_event_ring()) { |
| 2986 | IPAERR("ipa3_alloc_common_event_ring failed.\n"); |
| 2987 | result = -EPERM; |
| 2988 | goto fail_ch20_wa; |
| 2989 | } |
| 2990 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2991 | /* CMD OUT (AP->IPA) */ |
| 2992 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 2993 | sys_in.client = IPA_CLIENT_APPS_CMD_PROD; |
| 2994 | sys_in.desc_fifo_sz = IPA_SYS_DESC_FIFO_SZ; |
| 2995 | sys_in.ipa_ep_cfg.mode.mode = IPA_DMA; |
| 2996 | sys_in.ipa_ep_cfg.mode.dst = IPA_CLIENT_APPS_LAN_CONS; |
| 2997 | if (ipa3_setup_sys_pipe(&sys_in, &ipa3_ctx->clnt_hdl_cmd)) { |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 2998 | IPAERR(":setup sys pipe (APPS_CMD_PROD) failed.\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2999 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3000 | goto fail_ch20_wa; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3001 | } |
| 3002 | IPADBG("Apps to IPA cmd pipe is connected\n"); |
| 3003 | |
| 3004 | ipa3_ctx->ctrl->ipa_init_sram(); |
| 3005 | IPADBG("SRAM initialized\n"); |
| 3006 | |
| 3007 | ipa3_ctx->ctrl->ipa_init_hdr(); |
| 3008 | IPADBG("HDR initialized\n"); |
| 3009 | |
| 3010 | ipa3_ctx->ctrl->ipa_init_rt4(); |
| 3011 | IPADBG("V4 RT initialized\n"); |
| 3012 | |
| 3013 | ipa3_ctx->ctrl->ipa_init_rt6(); |
| 3014 | IPADBG("V6 RT initialized\n"); |
| 3015 | |
| 3016 | ipa3_ctx->ctrl->ipa_init_flt4(); |
| 3017 | IPADBG("V4 FLT initialized\n"); |
| 3018 | |
| 3019 | ipa3_ctx->ctrl->ipa_init_flt6(); |
| 3020 | IPADBG("V6 FLT initialized\n"); |
| 3021 | |
| 3022 | if (ipa3_setup_flt_hash_tuple()) { |
| 3023 | IPAERR(":fail to configure flt hash tuple\n"); |
| 3024 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3025 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3026 | } |
| 3027 | IPADBG("flt hash tuple is configured\n"); |
| 3028 | |
| 3029 | if (ipa3_setup_rt_hash_tuple()) { |
| 3030 | IPAERR(":fail to configure rt hash tuple\n"); |
| 3031 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3032 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3033 | } |
| 3034 | IPADBG("rt hash tuple is configured\n"); |
| 3035 | |
| 3036 | if (ipa3_setup_exception_path()) { |
| 3037 | IPAERR(":fail to setup excp path\n"); |
| 3038 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3039 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3040 | } |
| 3041 | IPADBG("Exception path was successfully set"); |
| 3042 | |
| 3043 | if (ipa3_setup_dflt_rt_tables()) { |
| 3044 | IPAERR(":fail to setup dflt routes\n"); |
| 3045 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3046 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3047 | } |
| 3048 | IPADBG("default routing was set\n"); |
| 3049 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3050 | /* LAN IN (IPA->AP) */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3051 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 3052 | sys_in.client = IPA_CLIENT_APPS_LAN_CONS; |
| 3053 | sys_in.desc_fifo_sz = IPA_SYS_DESC_FIFO_SZ; |
| 3054 | sys_in.notify = ipa3_lan_rx_cb; |
| 3055 | sys_in.priv = NULL; |
| 3056 | sys_in.ipa_ep_cfg.hdr.hdr_len = IPA_LAN_RX_HEADER_LENGTH; |
| 3057 | sys_in.ipa_ep_cfg.hdr_ext.hdr_little_endian = false; |
| 3058 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad_valid = true; |
| 3059 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad = IPA_HDR_PAD; |
| 3060 | sys_in.ipa_ep_cfg.hdr_ext.hdr_payload_len_inc_padding = false; |
| 3061 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad_offset = 0; |
| 3062 | sys_in.ipa_ep_cfg.hdr_ext.hdr_pad_to_alignment = 2; |
| 3063 | sys_in.ipa_ep_cfg.cfg.cs_offload_en = IPA_ENABLE_CS_OFFLOAD_DL; |
| 3064 | |
| 3065 | /** |
| 3066 | * ipa_lan_rx_cb() intended to notify the source EP about packet |
| 3067 | * being received on the LAN_CONS via calling the source EP call-back. |
| 3068 | * There could be a race condition with calling this call-back. Other |
| 3069 | * thread may nullify it - e.g. on EP disconnect. |
| 3070 | * This lock intended to protect the access to the source EP call-back |
| 3071 | */ |
| 3072 | spin_lock_init(&ipa3_ctx->disconnect_lock); |
| 3073 | 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] | 3074 | IPAERR(":setup sys pipe (LAN_CONS) failed.\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3075 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3076 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3077 | } |
| 3078 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3079 | /* LAN OUT (AP->IPA) */ |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 3080 | if (!ipa3_ctx->ipa_config_is_mhi) { |
| 3081 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 3082 | sys_in.client = IPA_CLIENT_APPS_LAN_PROD; |
| 3083 | sys_in.desc_fifo_sz = IPA_SYS_TX_DATA_DESC_FIFO_SZ; |
| 3084 | sys_in.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 3085 | if (ipa3_setup_sys_pipe(&sys_in, |
| 3086 | &ipa3_ctx->clnt_hdl_data_out)) { |
| 3087 | IPAERR(":setup sys pipe (LAN_PROD) failed.\n"); |
| 3088 | result = -EPERM; |
| 3089 | goto fail_lan_data_out; |
| 3090 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3091 | } |
| 3092 | |
| 3093 | return 0; |
| 3094 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3095 | fail_lan_data_out: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3096 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_in); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3097 | fail_flt_hash_tuple: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3098 | if (ipa3_ctx->dflt_v6_rt_rule_hdl) |
| 3099 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v6_rt_rule_hdl); |
| 3100 | if (ipa3_ctx->dflt_v4_rt_rule_hdl) |
| 3101 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v4_rt_rule_hdl); |
| 3102 | if (ipa3_ctx->excp_hdr_hdl) |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 3103 | __ipa3_del_hdr(ipa3_ctx->excp_hdr_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3104 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_cmd); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3105 | fail_ch20_wa: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3106 | return result; |
| 3107 | } |
| 3108 | |
| 3109 | static void ipa3_teardown_apps_pipes(void) |
| 3110 | { |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 3111 | if (!ipa3_ctx->ipa_config_is_mhi) |
| 3112 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_out); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3113 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_in); |
| 3114 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v6_rt_rule_hdl); |
| 3115 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v4_rt_rule_hdl); |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 3116 | __ipa3_del_hdr(ipa3_ctx->excp_hdr_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3117 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_cmd); |
| 3118 | } |
| 3119 | |
| 3120 | #ifdef CONFIG_COMPAT |
| 3121 | long compat_ipa3_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 3122 | { |
| 3123 | int retval = 0; |
| 3124 | struct ipa3_ioc_nat_alloc_mem32 nat_mem32; |
| 3125 | struct ipa_ioc_nat_alloc_mem nat_mem; |
| 3126 | |
| 3127 | switch (cmd) { |
| 3128 | case IPA_IOC_ADD_HDR32: |
| 3129 | cmd = IPA_IOC_ADD_HDR; |
| 3130 | break; |
| 3131 | case IPA_IOC_DEL_HDR32: |
| 3132 | cmd = IPA_IOC_DEL_HDR; |
| 3133 | break; |
| 3134 | case IPA_IOC_ADD_RT_RULE32: |
| 3135 | cmd = IPA_IOC_ADD_RT_RULE; |
| 3136 | break; |
| 3137 | case IPA_IOC_DEL_RT_RULE32: |
| 3138 | cmd = IPA_IOC_DEL_RT_RULE; |
| 3139 | break; |
| 3140 | case IPA_IOC_ADD_FLT_RULE32: |
| 3141 | cmd = IPA_IOC_ADD_FLT_RULE; |
| 3142 | break; |
| 3143 | case IPA_IOC_DEL_FLT_RULE32: |
| 3144 | cmd = IPA_IOC_DEL_FLT_RULE; |
| 3145 | break; |
| 3146 | case IPA_IOC_GET_RT_TBL32: |
| 3147 | cmd = IPA_IOC_GET_RT_TBL; |
| 3148 | break; |
| 3149 | case IPA_IOC_COPY_HDR32: |
| 3150 | cmd = IPA_IOC_COPY_HDR; |
| 3151 | break; |
| 3152 | case IPA_IOC_QUERY_INTF32: |
| 3153 | cmd = IPA_IOC_QUERY_INTF; |
| 3154 | break; |
| 3155 | case IPA_IOC_QUERY_INTF_TX_PROPS32: |
| 3156 | cmd = IPA_IOC_QUERY_INTF_TX_PROPS; |
| 3157 | break; |
| 3158 | case IPA_IOC_QUERY_INTF_RX_PROPS32: |
| 3159 | cmd = IPA_IOC_QUERY_INTF_RX_PROPS; |
| 3160 | break; |
| 3161 | case IPA_IOC_QUERY_INTF_EXT_PROPS32: |
| 3162 | cmd = IPA_IOC_QUERY_INTF_EXT_PROPS; |
| 3163 | break; |
| 3164 | case IPA_IOC_GET_HDR32: |
| 3165 | cmd = IPA_IOC_GET_HDR; |
| 3166 | break; |
| 3167 | case IPA_IOC_ALLOC_NAT_MEM32: |
| 3168 | if (copy_from_user((u8 *)&nat_mem32, (u8 *)arg, |
| 3169 | sizeof(struct ipa3_ioc_nat_alloc_mem32))) { |
| 3170 | retval = -EFAULT; |
| 3171 | goto ret; |
| 3172 | } |
| 3173 | memcpy(nat_mem.dev_name, nat_mem32.dev_name, |
| 3174 | IPA_RESOURCE_NAME_MAX); |
| 3175 | nat_mem.size = (size_t)nat_mem32.size; |
| 3176 | nat_mem.offset = (off_t)nat_mem32.offset; |
| 3177 | |
| 3178 | /* null terminate the string */ |
| 3179 | nat_mem.dev_name[IPA_RESOURCE_NAME_MAX - 1] = '\0'; |
| 3180 | |
| 3181 | if (ipa3_allocate_nat_device(&nat_mem)) { |
| 3182 | retval = -EFAULT; |
| 3183 | goto ret; |
| 3184 | } |
| 3185 | nat_mem32.offset = (compat_off_t)nat_mem.offset; |
| 3186 | if (copy_to_user((u8 *)arg, (u8 *)&nat_mem32, |
| 3187 | sizeof(struct ipa3_ioc_nat_alloc_mem32))) { |
| 3188 | retval = -EFAULT; |
| 3189 | } |
| 3190 | ret: |
| 3191 | return retval; |
| 3192 | case IPA_IOC_V4_INIT_NAT32: |
| 3193 | cmd = IPA_IOC_V4_INIT_NAT; |
| 3194 | break; |
| 3195 | case IPA_IOC_NAT_DMA32: |
| 3196 | cmd = IPA_IOC_NAT_DMA; |
| 3197 | break; |
| 3198 | case IPA_IOC_V4_DEL_NAT32: |
| 3199 | cmd = IPA_IOC_V4_DEL_NAT; |
| 3200 | break; |
| 3201 | case IPA_IOC_GET_NAT_OFFSET32: |
| 3202 | cmd = IPA_IOC_GET_NAT_OFFSET; |
| 3203 | break; |
| 3204 | case IPA_IOC_PULL_MSG32: |
| 3205 | cmd = IPA_IOC_PULL_MSG; |
| 3206 | break; |
| 3207 | case IPA_IOC_RM_ADD_DEPENDENCY32: |
| 3208 | cmd = IPA_IOC_RM_ADD_DEPENDENCY; |
| 3209 | break; |
| 3210 | case IPA_IOC_RM_DEL_DEPENDENCY32: |
| 3211 | cmd = IPA_IOC_RM_DEL_DEPENDENCY; |
| 3212 | break; |
| 3213 | case IPA_IOC_GENERATE_FLT_EQ32: |
| 3214 | cmd = IPA_IOC_GENERATE_FLT_EQ; |
| 3215 | break; |
| 3216 | case IPA_IOC_QUERY_RT_TBL_INDEX32: |
| 3217 | cmd = IPA_IOC_QUERY_RT_TBL_INDEX; |
| 3218 | break; |
| 3219 | case IPA_IOC_WRITE_QMAPID32: |
| 3220 | cmd = IPA_IOC_WRITE_QMAPID; |
| 3221 | break; |
| 3222 | case IPA_IOC_MDFY_FLT_RULE32: |
| 3223 | cmd = IPA_IOC_MDFY_FLT_RULE; |
| 3224 | break; |
| 3225 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD32: |
| 3226 | cmd = IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD; |
| 3227 | break; |
| 3228 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL32: |
| 3229 | cmd = IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL; |
| 3230 | break; |
| 3231 | case IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED32: |
| 3232 | cmd = IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED; |
| 3233 | break; |
| 3234 | case IPA_IOC_MDFY_RT_RULE32: |
| 3235 | cmd = IPA_IOC_MDFY_RT_RULE; |
| 3236 | break; |
| 3237 | case IPA_IOC_COMMIT_HDR: |
| 3238 | case IPA_IOC_RESET_HDR: |
| 3239 | case IPA_IOC_COMMIT_RT: |
| 3240 | case IPA_IOC_RESET_RT: |
| 3241 | case IPA_IOC_COMMIT_FLT: |
| 3242 | case IPA_IOC_RESET_FLT: |
| 3243 | case IPA_IOC_DUMP: |
| 3244 | case IPA_IOC_PUT_RT_TBL: |
| 3245 | case IPA_IOC_PUT_HDR: |
| 3246 | case IPA_IOC_SET_FLT: |
| 3247 | case IPA_IOC_QUERY_EP_MAPPING: |
| 3248 | break; |
| 3249 | default: |
| 3250 | return -ENOIOCTLCMD; |
| 3251 | } |
| 3252 | return ipa3_ioctl(file, cmd, (unsigned long) compat_ptr(arg)); |
| 3253 | } |
| 3254 | #endif |
| 3255 | |
| 3256 | static ssize_t ipa3_write(struct file *file, const char __user *buf, |
| 3257 | size_t count, loff_t *ppos); |
| 3258 | |
| 3259 | static const struct file_operations ipa3_drv_fops = { |
| 3260 | .owner = THIS_MODULE, |
| 3261 | .open = ipa3_open, |
| 3262 | .read = ipa3_read, |
| 3263 | .write = ipa3_write, |
| 3264 | .unlocked_ioctl = ipa3_ioctl, |
| 3265 | #ifdef CONFIG_COMPAT |
| 3266 | .compat_ioctl = compat_ipa3_ioctl, |
| 3267 | #endif |
| 3268 | }; |
| 3269 | |
| 3270 | static int ipa3_get_clks(struct device *dev) |
| 3271 | { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3272 | if (ipa3_res.use_bw_vote) { |
| 3273 | IPADBG("Vote IPA clock by bw voting via bus scaling driver\n"); |
| 3274 | ipa3_clk = NULL; |
| 3275 | return 0; |
| 3276 | } |
| 3277 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3278 | ipa3_clk = clk_get(dev, "core_clk"); |
| 3279 | if (IS_ERR(ipa3_clk)) { |
| 3280 | if (ipa3_clk != ERR_PTR(-EPROBE_DEFER)) |
| 3281 | IPAERR("fail to get ipa clk\n"); |
| 3282 | return PTR_ERR(ipa3_clk); |
| 3283 | } |
| 3284 | return 0; |
| 3285 | } |
| 3286 | |
| 3287 | /** |
| 3288 | * _ipa_enable_clks_v3_0() - Enable IPA clocks. |
| 3289 | */ |
| 3290 | void _ipa_enable_clks_v3_0(void) |
| 3291 | { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3292 | 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] | 3293 | if (ipa3_clk) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3294 | IPADBG_LOW("enabling gcc_ipa_clk\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3295 | clk_prepare(ipa3_clk); |
| 3296 | clk_enable(ipa3_clk); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3297 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3298 | } |
| 3299 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3300 | ipa3_uc_notify_clk_state(true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3301 | } |
| 3302 | |
| 3303 | static unsigned int ipa3_get_bus_vote(void) |
| 3304 | { |
| 3305 | unsigned int idx = 1; |
| 3306 | |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3307 | if (ipa3_ctx->curr_ipa_clk_rate == ipa3_ctx->ctrl->ipa_clk_rate_svs2) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3308 | idx = 1; |
| 3309 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3310 | ipa3_ctx->ctrl->ipa_clk_rate_svs) { |
| 3311 | idx = 2; |
| 3312 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
| 3313 | ipa3_ctx->ctrl->ipa_clk_rate_nominal) { |
| 3314 | idx = 3; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3315 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
| 3316 | ipa3_ctx->ctrl->ipa_clk_rate_turbo) { |
| 3317 | idx = ipa3_ctx->ctrl->msm_bus_data_ptr->num_usecases - 1; |
| 3318 | } else { |
| 3319 | WARN_ON(1); |
| 3320 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3321 | IPADBG("curr %d idx %d\n", ipa3_ctx->curr_ipa_clk_rate, idx); |
| 3322 | |
| 3323 | return idx; |
| 3324 | } |
| 3325 | |
| 3326 | /** |
| 3327 | * ipa3_enable_clks() - Turn on IPA clocks |
| 3328 | * |
| 3329 | * Return codes: |
| 3330 | * None |
| 3331 | */ |
| 3332 | void ipa3_enable_clks(void) |
| 3333 | { |
| 3334 | IPADBG("enabling IPA clocks and bus voting\n"); |
| 3335 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3336 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
| 3337 | ipa3_get_bus_vote())) |
| 3338 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3339 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3340 | ipa3_ctx->ctrl->ipa3_enable_clks(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3341 | } |
| 3342 | |
| 3343 | |
| 3344 | /** |
| 3345 | * _ipa_disable_clks_v3_0() - Disable IPA clocks. |
| 3346 | */ |
| 3347 | void _ipa_disable_clks_v3_0(void) |
| 3348 | { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3349 | ipa3_suspend_apps_pipes(true); |
| 3350 | ipa3_uc_notify_clk_state(false); |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3351 | if (ipa3_clk) { |
| 3352 | IPADBG_LOW("disabling gcc_ipa_clk\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3353 | clk_disable_unprepare(ipa3_clk); |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3354 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3355 | } |
| 3356 | |
| 3357 | /** |
| 3358 | * ipa3_disable_clks() - Turn off IPA clocks |
| 3359 | * |
| 3360 | * Return codes: |
| 3361 | * None |
| 3362 | */ |
| 3363 | void ipa3_disable_clks(void) |
| 3364 | { |
| 3365 | IPADBG("disabling IPA clocks and bus voting\n"); |
| 3366 | |
| 3367 | ipa3_ctx->ctrl->ipa3_disable_clks(); |
| 3368 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3369 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, 0)) |
| 3370 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3371 | } |
| 3372 | |
| 3373 | /** |
| 3374 | * ipa3_start_tag_process() - Send TAG packet and wait for it to come back |
| 3375 | * |
| 3376 | * This function is called prior to clock gating when active client counter |
| 3377 | * 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] | 3378 | * were not submitted to the IPA client via the transport. During TAG process |
| 3379 | * all aggregation frames are (force) closed. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3380 | * |
| 3381 | * Return codes: |
| 3382 | * None |
| 3383 | */ |
| 3384 | static void ipa3_start_tag_process(struct work_struct *work) |
| 3385 | { |
| 3386 | int res; |
| 3387 | |
| 3388 | IPADBG("starting TAG process\n"); |
| 3389 | /* close aggregation frames on all pipes */ |
| 3390 | res = ipa3_tag_aggr_force_close(-1); |
| 3391 | if (res) |
| 3392 | IPAERR("ipa3_tag_aggr_force_close failed %d\n", res); |
| 3393 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("TAG_PROCESS"); |
| 3394 | |
| 3395 | IPADBG("TAG process done\n"); |
| 3396 | } |
| 3397 | |
| 3398 | /** |
| 3399 | * ipa3_active_clients_log_mod() - Log a modification in the active clients |
| 3400 | * reference count |
| 3401 | * |
| 3402 | * This method logs any modification in the active clients reference count: |
| 3403 | * It logs the modification in the circular history buffer |
| 3404 | * It logs the modification in the hash table - looking for an entry, |
| 3405 | * creating one if needed and deleting one if needed. |
| 3406 | * |
| 3407 | * @id: ipa3_active client logging info struct to hold the log information |
| 3408 | * @inc: a boolean variable to indicate whether the modification is an increase |
| 3409 | * or decrease |
| 3410 | * @int_ctx: a boolean variable to indicate whether this call is being made from |
| 3411 | * an interrupt context and therefore should allocate GFP_ATOMIC memory |
| 3412 | * |
| 3413 | * Method process: |
| 3414 | * - Hash the unique identifier string |
| 3415 | * - Find the hash in the table |
| 3416 | * 1)If found, increase or decrease the reference count |
| 3417 | * 2)If not found, allocate a new hash table entry struct and initialize it |
| 3418 | * - Remove and deallocate unneeded data structure |
| 3419 | * - Log the call in the circular history buffer (unless it is a simple call) |
| 3420 | */ |
| 3421 | void ipa3_active_clients_log_mod(struct ipa_active_client_logging_info *id, |
| 3422 | bool inc, bool int_ctx) |
| 3423 | { |
| 3424 | char temp_str[IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN]; |
| 3425 | unsigned long long t; |
| 3426 | unsigned long nanosec_rem; |
| 3427 | struct ipa3_active_client_htable_entry *hentry; |
| 3428 | struct ipa3_active_client_htable_entry *hfound; |
| 3429 | u32 hkey; |
| 3430 | char str_to_hash[IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN]; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3431 | unsigned long flags; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3432 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3433 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
| 3434 | int_ctx = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3435 | hfound = NULL; |
| 3436 | memset(str_to_hash, 0, IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN); |
| 3437 | 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] | 3438 | hkey = jhash(str_to_hash, IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3439 | 0); |
| 3440 | hash_for_each_possible(ipa3_ctx->ipa3_active_clients_logging.htable, |
| 3441 | hentry, list, hkey) { |
| 3442 | if (!strcmp(hentry->id_string, id->id_string)) { |
| 3443 | hentry->count = hentry->count + (inc ? 1 : -1); |
| 3444 | hfound = hentry; |
| 3445 | } |
| 3446 | } |
| 3447 | if (hfound == NULL) { |
| 3448 | hentry = NULL; |
| 3449 | hentry = kzalloc(sizeof( |
| 3450 | struct ipa3_active_client_htable_entry), |
| 3451 | int_ctx ? GFP_ATOMIC : GFP_KERNEL); |
| 3452 | if (hentry == NULL) { |
| 3453 | IPAERR("failed allocating active clients hash entry"); |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3454 | spin_unlock_irqrestore( |
| 3455 | &ipa3_ctx->ipa3_active_clients_logging.lock, |
| 3456 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3457 | return; |
| 3458 | } |
| 3459 | hentry->type = id->type; |
| 3460 | strlcpy(hentry->id_string, id->id_string, |
| 3461 | IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN); |
| 3462 | INIT_HLIST_NODE(&hentry->list); |
| 3463 | hentry->count = inc ? 1 : -1; |
| 3464 | hash_add(ipa3_ctx->ipa3_active_clients_logging.htable, |
| 3465 | &hentry->list, hkey); |
| 3466 | } else if (hfound->count == 0) { |
| 3467 | hash_del(&hfound->list); |
| 3468 | kfree(hfound); |
| 3469 | } |
| 3470 | |
| 3471 | if (id->type != SIMPLE) { |
| 3472 | t = local_clock(); |
| 3473 | nanosec_rem = do_div(t, 1000000000) / 1000; |
| 3474 | snprintf(temp_str, IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN, |
| 3475 | inc ? "[%5lu.%06lu] ^ %s, %s: %d" : |
| 3476 | "[%5lu.%06lu] v %s, %s: %d", |
| 3477 | (unsigned long)t, nanosec_rem, |
| 3478 | id->id_string, id->file, id->line); |
| 3479 | ipa3_active_clients_log_insert(temp_str); |
| 3480 | } |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3481 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 3482 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3483 | } |
| 3484 | |
| 3485 | void ipa3_active_clients_log_dec(struct ipa_active_client_logging_info *id, |
| 3486 | bool int_ctx) |
| 3487 | { |
| 3488 | ipa3_active_clients_log_mod(id, false, int_ctx); |
| 3489 | } |
| 3490 | |
| 3491 | void ipa3_active_clients_log_inc(struct ipa_active_client_logging_info *id, |
| 3492 | bool int_ctx) |
| 3493 | { |
| 3494 | ipa3_active_clients_log_mod(id, true, int_ctx); |
| 3495 | } |
| 3496 | |
| 3497 | /** |
| 3498 | * ipa3_inc_client_enable_clks() - Increase active clients counter, and |
| 3499 | * enable ipa clocks if necessary |
| 3500 | * |
| 3501 | * Return codes: |
| 3502 | * None |
| 3503 | */ |
| 3504 | void ipa3_inc_client_enable_clks(struct ipa_active_client_logging_info *id) |
| 3505 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3506 | int ret; |
| 3507 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3508 | ipa3_active_clients_log_inc(id, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3509 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3510 | if (ret) { |
| 3511 | IPADBG_LOW("active clients = %d\n", |
| 3512 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3513 | return; |
| 3514 | } |
| 3515 | |
| 3516 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3517 | |
| 3518 | /* somebody might voted to clocks meanwhile */ |
| 3519 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3520 | if (ret) { |
| 3521 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3522 | IPADBG_LOW("active clients = %d\n", |
| 3523 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3524 | return; |
| 3525 | } |
| 3526 | |
| 3527 | ipa3_enable_clks(); |
| 3528 | atomic_inc(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3529 | IPADBG_LOW("active clients = %d\n", |
| 3530 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3531 | ipa3_suspend_apps_pipes(false); |
| 3532 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3533 | } |
| 3534 | |
| 3535 | /** |
| 3536 | * ipa3_inc_client_enable_clks_no_block() - Only increment the number of active |
| 3537 | * clients if no asynchronous actions should be done. Asynchronous actions are |
| 3538 | * locking a mutex and waking up IPA HW. |
| 3539 | * |
| 3540 | * Return codes: 0 for success |
| 3541 | * -EPERM if an asynchronous action should have been done |
| 3542 | */ |
| 3543 | int ipa3_inc_client_enable_clks_no_block(struct ipa_active_client_logging_info |
| 3544 | *id) |
| 3545 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3546 | int ret; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3547 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3548 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3549 | if (ret) { |
| 3550 | ipa3_active_clients_log_inc(id, true); |
| 3551 | IPADBG_LOW("active clients = %d\n", |
| 3552 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3553 | return 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3554 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3555 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3556 | return -EPERM; |
| 3557 | } |
| 3558 | |
| 3559 | static void __ipa3_dec_client_disable_clks(void) |
| 3560 | { |
| 3561 | int ret; |
| 3562 | |
| 3563 | if (!atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)) { |
| 3564 | IPAERR("trying to disable clocks with refcnt is 0!\n"); |
| 3565 | ipa_assert(); |
| 3566 | return; |
| 3567 | } |
| 3568 | |
| 3569 | ret = atomic_add_unless(&ipa3_ctx->ipa3_active_clients.cnt, -1, 1); |
| 3570 | if (ret) |
| 3571 | goto bail; |
| 3572 | |
| 3573 | /* seems like this is the only client holding the clocks */ |
| 3574 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3575 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) == 1 && |
| 3576 | ipa3_ctx->tag_process_before_gating) { |
| 3577 | ipa3_ctx->tag_process_before_gating = false; |
| 3578 | /* |
| 3579 | * When TAG process ends, active clients will be |
| 3580 | * decreased |
| 3581 | */ |
| 3582 | queue_work(ipa3_ctx->power_mgmt_wq, &ipa3_tag_work); |
| 3583 | goto unlock_mutex; |
| 3584 | } |
| 3585 | |
| 3586 | /* a different context might increase the clock reference meanwhile */ |
| 3587 | ret = atomic_sub_return(1, &ipa3_ctx->ipa3_active_clients.cnt); |
| 3588 | if (ret > 0) |
| 3589 | goto unlock_mutex; |
| 3590 | ipa3_disable_clks(); |
| 3591 | |
| 3592 | unlock_mutex: |
| 3593 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3594 | bail: |
| 3595 | IPADBG_LOW("active clients = %d\n", |
| 3596 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3597 | } |
| 3598 | |
| 3599 | /** |
| 3600 | * ipa3_dec_client_disable_clks() - Decrease active clients counter |
| 3601 | * |
| 3602 | * In case that there are no active clients this function also starts |
| 3603 | * TAG process. When TAG progress ends ipa clocks will be gated. |
| 3604 | * start_tag_process_again flag is set during this function to signal TAG |
| 3605 | * process to start again as there was another client that may send data to ipa |
| 3606 | * |
| 3607 | * Return codes: |
| 3608 | * None |
| 3609 | */ |
| 3610 | void ipa3_dec_client_disable_clks(struct ipa_active_client_logging_info *id) |
| 3611 | { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3612 | ipa3_active_clients_log_dec(id, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3613 | __ipa3_dec_client_disable_clks(); |
| 3614 | } |
| 3615 | |
| 3616 | static void ipa_dec_clients_disable_clks_on_wq(struct work_struct *work) |
| 3617 | { |
| 3618 | __ipa3_dec_client_disable_clks(); |
| 3619 | } |
| 3620 | |
| 3621 | /** |
| 3622 | * ipa3_dec_client_disable_clks_no_block() - Decrease active clients counter |
| 3623 | * if possible without blocking. If this is the last client then the desrease |
| 3624 | * will happen from work queue context. |
| 3625 | * |
| 3626 | * Return codes: |
| 3627 | * None |
| 3628 | */ |
| 3629 | void ipa3_dec_client_disable_clks_no_block( |
| 3630 | struct ipa_active_client_logging_info *id) |
| 3631 | { |
| 3632 | int ret; |
| 3633 | |
| 3634 | ipa3_active_clients_log_dec(id, true); |
| 3635 | ret = atomic_add_unless(&ipa3_ctx->ipa3_active_clients.cnt, -1, 1); |
| 3636 | if (ret) { |
| 3637 | IPADBG_LOW("active clients = %d\n", |
| 3638 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3639 | return; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3640 | } |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3641 | |
| 3642 | /* seems like this is the only client holding the clocks */ |
| 3643 | queue_work(ipa3_ctx->power_mgmt_wq, |
| 3644 | &ipa_dec_clients_disable_clks_on_wq_work); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3645 | } |
| 3646 | |
| 3647 | /** |
| 3648 | * ipa3_inc_acquire_wakelock() - Increase active clients counter, and |
| 3649 | * acquire wakelock if necessary |
| 3650 | * |
| 3651 | * Return codes: |
| 3652 | * None |
| 3653 | */ |
| 3654 | void ipa3_inc_acquire_wakelock(void) |
| 3655 | { |
| 3656 | unsigned long flags; |
| 3657 | |
| 3658 | spin_lock_irqsave(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3659 | ipa3_ctx->wakelock_ref_cnt.cnt++; |
| 3660 | if (ipa3_ctx->wakelock_ref_cnt.cnt == 1) |
| 3661 | __pm_stay_awake(&ipa3_ctx->w_lock); |
| 3662 | IPADBG_LOW("active wakelock ref cnt = %d\n", |
| 3663 | ipa3_ctx->wakelock_ref_cnt.cnt); |
| 3664 | spin_unlock_irqrestore(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3665 | } |
| 3666 | |
| 3667 | /** |
| 3668 | * ipa3_dec_release_wakelock() - Decrease active clients counter |
| 3669 | * |
| 3670 | * In case if the ref count is 0, release the wakelock. |
| 3671 | * |
| 3672 | * Return codes: |
| 3673 | * None |
| 3674 | */ |
| 3675 | void ipa3_dec_release_wakelock(void) |
| 3676 | { |
| 3677 | unsigned long flags; |
| 3678 | |
| 3679 | spin_lock_irqsave(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3680 | ipa3_ctx->wakelock_ref_cnt.cnt--; |
| 3681 | IPADBG_LOW("active wakelock ref cnt = %d\n", |
| 3682 | ipa3_ctx->wakelock_ref_cnt.cnt); |
| 3683 | if (ipa3_ctx->wakelock_ref_cnt.cnt == 0) |
| 3684 | __pm_relax(&ipa3_ctx->w_lock); |
| 3685 | spin_unlock_irqrestore(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3686 | } |
| 3687 | |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 3688 | int ipa3_set_clock_plan_from_pm(int idx) |
| 3689 | { |
| 3690 | u32 clk_rate; |
| 3691 | |
| 3692 | IPADBG_LOW("idx = %d\n", idx); |
| 3693 | |
| 3694 | if (idx <= 0 || idx >= ipa3_ctx->ctrl->msm_bus_data_ptr->num_usecases) { |
| 3695 | IPAERR("bad voltage\n"); |
| 3696 | return -EINVAL; |
| 3697 | } |
| 3698 | |
| 3699 | if (idx == 1) |
| 3700 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs; |
| 3701 | else if (idx == 2) |
| 3702 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_nominal; |
| 3703 | else if (idx == 3) |
| 3704 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 3705 | else { |
| 3706 | IPAERR("bad voltage\n"); |
| 3707 | WARN_ON(1); |
| 3708 | return -EFAULT; |
| 3709 | } |
| 3710 | |
| 3711 | if (clk_rate == ipa3_ctx->curr_ipa_clk_rate) { |
| 3712 | IPADBG_LOW("Same voltage\n"); |
| 3713 | return 0; |
| 3714 | } |
| 3715 | |
| 3716 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3717 | ipa3_ctx->curr_ipa_clk_rate = clk_rate; |
| 3718 | ipa3_ctx->ipa3_active_clients.bus_vote_idx = idx; |
| 3719 | IPADBG_LOW("setting clock rate to %u\n", ipa3_ctx->curr_ipa_clk_rate); |
| 3720 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) > 0) { |
| 3721 | if (ipa3_clk) |
| 3722 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
| 3723 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
| 3724 | ipa3_get_bus_vote())) |
| 3725 | WARN_ON(1); |
| 3726 | } else { |
| 3727 | IPADBG_LOW("clocks are gated, not setting rate\n"); |
| 3728 | } |
| 3729 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3730 | IPADBG_LOW("Done\n"); |
| 3731 | |
| 3732 | return 0; |
| 3733 | } |
| 3734 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3735 | int ipa3_set_required_perf_profile(enum ipa_voltage_level floor_voltage, |
| 3736 | u32 bandwidth_mbps) |
| 3737 | { |
| 3738 | enum ipa_voltage_level needed_voltage; |
| 3739 | u32 clk_rate; |
| 3740 | |
| 3741 | IPADBG_LOW("floor_voltage=%d, bandwidth_mbps=%u", |
| 3742 | floor_voltage, bandwidth_mbps); |
| 3743 | |
| 3744 | if (floor_voltage < IPA_VOLTAGE_UNSPECIFIED || |
| 3745 | floor_voltage >= IPA_VOLTAGE_MAX) { |
| 3746 | IPAERR("bad voltage\n"); |
| 3747 | return -EINVAL; |
| 3748 | } |
| 3749 | |
| 3750 | if (ipa3_ctx->enable_clock_scaling) { |
| 3751 | IPADBG_LOW("Clock scaling is enabled\n"); |
| 3752 | if (bandwidth_mbps >= |
| 3753 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_turbo) |
| 3754 | needed_voltage = IPA_VOLTAGE_TURBO; |
| 3755 | else if (bandwidth_mbps >= |
| 3756 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_nominal) |
| 3757 | needed_voltage = IPA_VOLTAGE_NOMINAL; |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3758 | else if (bandwidth_mbps >= |
| 3759 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_svs) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3760 | needed_voltage = IPA_VOLTAGE_SVS; |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3761 | else |
| 3762 | needed_voltage = IPA_VOLTAGE_SVS2; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3763 | } else { |
| 3764 | IPADBG_LOW("Clock scaling is disabled\n"); |
| 3765 | needed_voltage = IPA_VOLTAGE_NOMINAL; |
| 3766 | } |
| 3767 | |
| 3768 | needed_voltage = max(needed_voltage, floor_voltage); |
| 3769 | switch (needed_voltage) { |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3770 | case IPA_VOLTAGE_SVS2: |
| 3771 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs2; |
| 3772 | break; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3773 | case IPA_VOLTAGE_SVS: |
| 3774 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs; |
| 3775 | break; |
| 3776 | case IPA_VOLTAGE_NOMINAL: |
| 3777 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_nominal; |
| 3778 | break; |
| 3779 | case IPA_VOLTAGE_TURBO: |
| 3780 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 3781 | break; |
| 3782 | default: |
| 3783 | IPAERR("bad voltage\n"); |
| 3784 | WARN_ON(1); |
| 3785 | return -EFAULT; |
| 3786 | } |
| 3787 | |
| 3788 | if (clk_rate == ipa3_ctx->curr_ipa_clk_rate) { |
| 3789 | IPADBG_LOW("Same voltage\n"); |
| 3790 | return 0; |
| 3791 | } |
| 3792 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3793 | /* Hold the mutex to avoid race conditions with ipa3_enable_clocks() */ |
| 3794 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3795 | ipa3_ctx->curr_ipa_clk_rate = clk_rate; |
| 3796 | 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] | 3797 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) > 0) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3798 | if (ipa3_clk) |
| 3799 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
| 3800 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3801 | ipa3_get_bus_vote())) |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3802 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3803 | } else { |
| 3804 | IPADBG_LOW("clocks are gated, not setting rate\n"); |
| 3805 | } |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3806 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3807 | IPADBG_LOW("Done\n"); |
Skylar Chang | 1cbe99c | 2017-05-01 13:44:03 -0700 | [diff] [blame] | 3808 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3809 | return 0; |
| 3810 | } |
| 3811 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3812 | static void ipa3_process_irq_schedule_rel(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3813 | { |
| 3814 | queue_delayed_work(ipa3_ctx->transport_power_mgmt_wq, |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3815 | &ipa3_transport_release_resource_work, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3816 | msecs_to_jiffies(IPA_TRANSPORT_PROD_TIMEOUT_MSEC)); |
| 3817 | } |
| 3818 | |
| 3819 | /** |
| 3820 | * ipa3_suspend_handler() - Handles the suspend interrupt: |
| 3821 | * wakes up the suspended peripheral by requesting its consumer |
| 3822 | * @interrupt: Interrupt type |
| 3823 | * @private_data: The client's private data |
| 3824 | * @interrupt_data: Interrupt specific information data |
| 3825 | */ |
| 3826 | void ipa3_suspend_handler(enum ipa_irq_type interrupt, |
| 3827 | void *private_data, |
| 3828 | void *interrupt_data) |
| 3829 | { |
| 3830 | enum ipa_rm_resource_name resource; |
| 3831 | u32 suspend_data = |
| 3832 | ((struct ipa_tx_suspend_irq_data *)interrupt_data)->endpoints; |
| 3833 | u32 bmsk = 1; |
| 3834 | u32 i = 0; |
| 3835 | int res; |
| 3836 | struct ipa_ep_cfg_holb holb_cfg; |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 3837 | u32 pipe_bitmask = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3838 | |
| 3839 | IPADBG("interrupt=%d, interrupt_data=%u\n", |
| 3840 | interrupt, suspend_data); |
| 3841 | memset(&holb_cfg, 0, sizeof(holb_cfg)); |
| 3842 | holb_cfg.tmr_val = 0; |
| 3843 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 3844 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++, bmsk = bmsk << 1) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3845 | if ((suspend_data & bmsk) && (ipa3_ctx->ep[i].valid)) { |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 3846 | if (ipa3_ctx->use_ipa_pm) { |
| 3847 | pipe_bitmask |= bmsk; |
| 3848 | continue; |
| 3849 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3850 | if (IPA_CLIENT_IS_APPS_CONS(ipa3_ctx->ep[i].client)) { |
| 3851 | /* |
| 3852 | * pipe will be unsuspended as part of |
| 3853 | * enabling IPA clocks |
| 3854 | */ |
Skylar Chang | 0d06bb1 | 2017-02-24 11:22:03 -0800 | [diff] [blame] | 3855 | mutex_lock(&ipa3_ctx->transport_pm. |
| 3856 | transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3857 | if (!atomic_read( |
| 3858 | &ipa3_ctx->transport_pm.dec_clients) |
| 3859 | ) { |
| 3860 | IPA_ACTIVE_CLIENTS_INC_EP( |
| 3861 | ipa3_ctx->ep[i].client); |
| 3862 | IPADBG_LOW("Pipes un-suspended.\n"); |
| 3863 | IPADBG_LOW("Enter poll mode.\n"); |
| 3864 | atomic_set( |
| 3865 | &ipa3_ctx->transport_pm.dec_clients, |
| 3866 | 1); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3867 | ipa3_process_irq_schedule_rel(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3868 | } |
Skylar Chang | 0d06bb1 | 2017-02-24 11:22:03 -0800 | [diff] [blame] | 3869 | mutex_unlock(&ipa3_ctx->transport_pm. |
| 3870 | transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3871 | } else { |
| 3872 | resource = ipa3_get_rm_resource_from_ep(i); |
| 3873 | res = |
| 3874 | ipa_rm_request_resource_with_timer(resource); |
| 3875 | if (res == -EPERM && |
| 3876 | IPA_CLIENT_IS_CONS( |
| 3877 | ipa3_ctx->ep[i].client)) { |
| 3878 | holb_cfg.en = 1; |
| 3879 | res = ipa3_cfg_ep_holb_by_client( |
| 3880 | ipa3_ctx->ep[i].client, &holb_cfg); |
| 3881 | if (res) { |
| 3882 | IPAERR("holb en fail, stall\n"); |
| 3883 | BUG(); |
| 3884 | } |
| 3885 | } |
| 3886 | } |
| 3887 | } |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 3888 | } |
| 3889 | if (ipa3_ctx->use_ipa_pm) { |
| 3890 | res = ipa_pm_handle_suspend(pipe_bitmask); |
| 3891 | if (res) { |
| 3892 | IPAERR("ipa_pm_handle_suspend failed %d\n", res); |
| 3893 | return; |
| 3894 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3895 | } |
| 3896 | } |
| 3897 | |
| 3898 | /** |
| 3899 | * ipa3_restore_suspend_handler() - restores the original suspend IRQ handler |
| 3900 | * as it was registered in the IPA init sequence. |
| 3901 | * Return codes: |
| 3902 | * 0: success |
| 3903 | * -EPERM: failed to remove current handler or failed to add original handler |
| 3904 | */ |
| 3905 | int ipa3_restore_suspend_handler(void) |
| 3906 | { |
| 3907 | int result = 0; |
| 3908 | |
| 3909 | result = ipa3_remove_interrupt_handler(IPA_TX_SUSPEND_IRQ); |
| 3910 | if (result) { |
| 3911 | IPAERR("remove handler for suspend interrupt failed\n"); |
| 3912 | return -EPERM; |
| 3913 | } |
| 3914 | |
| 3915 | result = ipa3_add_interrupt_handler(IPA_TX_SUSPEND_IRQ, |
| 3916 | ipa3_suspend_handler, false, NULL); |
| 3917 | if (result) { |
| 3918 | IPAERR("register handler for suspend interrupt failed\n"); |
| 3919 | result = -EPERM; |
| 3920 | } |
| 3921 | |
| 3922 | IPADBG("suspend handler successfully restored\n"); |
| 3923 | |
| 3924 | return result; |
| 3925 | } |
| 3926 | |
| 3927 | static int ipa3_apps_cons_release_resource(void) |
| 3928 | { |
| 3929 | return 0; |
| 3930 | } |
| 3931 | |
| 3932 | static int ipa3_apps_cons_request_resource(void) |
| 3933 | { |
| 3934 | return 0; |
| 3935 | } |
| 3936 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3937 | static void ipa3_transport_release_resource(struct work_struct *work) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3938 | { |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 3939 | mutex_lock(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3940 | /* check whether still need to decrease client usage */ |
| 3941 | if (atomic_read(&ipa3_ctx->transport_pm.dec_clients)) { |
| 3942 | if (atomic_read(&ipa3_ctx->transport_pm.eot_activity)) { |
| 3943 | IPADBG("EOT pending Re-scheduling\n"); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3944 | ipa3_process_irq_schedule_rel(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3945 | } else { |
| 3946 | atomic_set(&ipa3_ctx->transport_pm.dec_clients, 0); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3947 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("TRANSPORT_RESOURCE"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3948 | } |
| 3949 | } |
| 3950 | atomic_set(&ipa3_ctx->transport_pm.eot_activity, 0); |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 3951 | mutex_unlock(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3952 | } |
| 3953 | |
| 3954 | int ipa3_create_apps_resource(void) |
| 3955 | { |
| 3956 | struct ipa_rm_create_params apps_cons_create_params; |
| 3957 | struct ipa_rm_perf_profile profile; |
| 3958 | int result = 0; |
| 3959 | |
| 3960 | memset(&apps_cons_create_params, 0, |
| 3961 | sizeof(apps_cons_create_params)); |
| 3962 | apps_cons_create_params.name = IPA_RM_RESOURCE_APPS_CONS; |
| 3963 | apps_cons_create_params.request_resource = |
| 3964 | ipa3_apps_cons_request_resource; |
| 3965 | apps_cons_create_params.release_resource = |
| 3966 | ipa3_apps_cons_release_resource; |
| 3967 | result = ipa_rm_create_resource(&apps_cons_create_params); |
| 3968 | if (result) { |
| 3969 | IPAERR("ipa_rm_create_resource failed\n"); |
| 3970 | return result; |
| 3971 | } |
| 3972 | |
| 3973 | profile.max_supported_bandwidth_mbps = IPA_APPS_MAX_BW_IN_MBPS; |
| 3974 | ipa_rm_set_perf_profile(IPA_RM_RESOURCE_APPS_CONS, &profile); |
| 3975 | |
| 3976 | return result; |
| 3977 | } |
| 3978 | |
| 3979 | /** |
| 3980 | * ipa3_init_interrupts() - Register to IPA IRQs |
| 3981 | * |
| 3982 | * Return codes: 0 in success, negative in failure |
| 3983 | * |
| 3984 | */ |
| 3985 | int ipa3_init_interrupts(void) |
| 3986 | { |
| 3987 | int result; |
| 3988 | |
| 3989 | /*register IPA IRQ handler*/ |
| 3990 | result = ipa3_interrupts_init(ipa3_res.ipa_irq, 0, |
| 3991 | master_dev); |
| 3992 | if (result) { |
| 3993 | IPAERR("ipa interrupts initialization failed\n"); |
| 3994 | return -ENODEV; |
| 3995 | } |
| 3996 | |
| 3997 | /*add handler for suspend interrupt*/ |
| 3998 | result = ipa3_add_interrupt_handler(IPA_TX_SUSPEND_IRQ, |
| 3999 | ipa3_suspend_handler, false, NULL); |
| 4000 | if (result) { |
| 4001 | IPAERR("register handler for suspend interrupt failed\n"); |
| 4002 | result = -ENODEV; |
| 4003 | goto fail_add_interrupt_handler; |
| 4004 | } |
| 4005 | |
| 4006 | return 0; |
| 4007 | |
| 4008 | fail_add_interrupt_handler: |
| 4009 | free_irq(ipa3_res.ipa_irq, master_dev); |
| 4010 | return result; |
| 4011 | } |
| 4012 | |
| 4013 | /** |
| 4014 | * ipa3_destroy_flt_tbl_idrs() - destroy the idr structure for flt tables |
| 4015 | * The idr strcuture per filtering table is intended for rule id generation |
| 4016 | * per filtering rule. |
| 4017 | */ |
| 4018 | static void ipa3_destroy_flt_tbl_idrs(void) |
| 4019 | { |
| 4020 | int i; |
| 4021 | struct ipa3_flt_tbl *flt_tbl; |
| 4022 | |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4023 | idr_destroy(&ipa3_ctx->flt_rule_ids[IPA_IP_v4]); |
| 4024 | idr_destroy(&ipa3_ctx->flt_rule_ids[IPA_IP_v6]); |
| 4025 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4026 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 4027 | if (!ipa_is_ep_support_flt(i)) |
| 4028 | continue; |
| 4029 | |
| 4030 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v4]; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4031 | flt_tbl->rule_ids = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4032 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v6]; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4033 | flt_tbl->rule_ids = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4034 | } |
| 4035 | } |
| 4036 | |
| 4037 | static void ipa3_freeze_clock_vote_and_notify_modem(void) |
| 4038 | { |
| 4039 | int res; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4040 | struct ipa_active_client_logging_info log_info; |
| 4041 | |
| 4042 | if (ipa3_ctx->smp2p_info.res_sent) |
| 4043 | return; |
| 4044 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4045 | if (ipa3_ctx->smp2p_info.out_base_id == 0) { |
| 4046 | IPAERR("smp2p out gpio not assigned\n"); |
| 4047 | return; |
| 4048 | } |
| 4049 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4050 | IPA_ACTIVE_CLIENTS_PREP_SPECIAL(log_info, "FREEZE_VOTE"); |
| 4051 | res = ipa3_inc_client_enable_clks_no_block(&log_info); |
| 4052 | if (res) |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4053 | ipa3_ctx->smp2p_info.ipa_clk_on = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4054 | else |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4055 | ipa3_ctx->smp2p_info.ipa_clk_on = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4056 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4057 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4058 | IPA_GPIO_OUT_CLK_VOTE_IDX, |
| 4059 | ipa3_ctx->smp2p_info.ipa_clk_on); |
| 4060 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4061 | IPA_GPIO_OUT_CLK_RSP_CMPLT_IDX, 1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4062 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4063 | ipa3_ctx->smp2p_info.res_sent = true; |
| 4064 | IPADBG("IPA clocks are %s\n", |
| 4065 | ipa3_ctx->smp2p_info.ipa_clk_on ? "ON" : "OFF"); |
| 4066 | } |
| 4067 | |
| 4068 | void ipa3_reset_freeze_vote(void) |
| 4069 | { |
| 4070 | if (ipa3_ctx->smp2p_info.res_sent == false) |
| 4071 | return; |
| 4072 | |
| 4073 | if (ipa3_ctx->smp2p_info.ipa_clk_on) |
| 4074 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("FREEZE_VOTE"); |
| 4075 | |
| 4076 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4077 | IPA_GPIO_OUT_CLK_VOTE_IDX, 0); |
| 4078 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4079 | IPA_GPIO_OUT_CLK_RSP_CMPLT_IDX, 0); |
| 4080 | |
| 4081 | ipa3_ctx->smp2p_info.res_sent = false; |
| 4082 | ipa3_ctx->smp2p_info.ipa_clk_on = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4083 | } |
| 4084 | |
| 4085 | static int ipa3_panic_notifier(struct notifier_block *this, |
| 4086 | unsigned long event, void *ptr) |
| 4087 | { |
| 4088 | int res; |
| 4089 | |
| 4090 | ipa3_freeze_clock_vote_and_notify_modem(); |
| 4091 | |
| 4092 | IPADBG("Calling uC panic handler\n"); |
| 4093 | res = ipa3_uc_panic_notifier(this, event, ptr); |
| 4094 | if (res) |
| 4095 | IPAERR("uC panic handler failed %d\n", res); |
| 4096 | |
| 4097 | return NOTIFY_DONE; |
| 4098 | } |
| 4099 | |
| 4100 | static struct notifier_block ipa3_panic_blk = { |
| 4101 | .notifier_call = ipa3_panic_notifier, |
| 4102 | /* IPA panic handler needs to run before modem shuts down */ |
| 4103 | .priority = INT_MAX, |
| 4104 | }; |
| 4105 | |
| 4106 | static void ipa3_register_panic_hdlr(void) |
| 4107 | { |
| 4108 | atomic_notifier_chain_register(&panic_notifier_list, |
| 4109 | &ipa3_panic_blk); |
| 4110 | } |
| 4111 | |
| 4112 | static void ipa3_trigger_ipa_ready_cbs(void) |
| 4113 | { |
| 4114 | struct ipa3_ready_cb_info *info; |
| 4115 | |
| 4116 | mutex_lock(&ipa3_ctx->lock); |
| 4117 | |
| 4118 | /* Call all the CBs */ |
| 4119 | list_for_each_entry(info, &ipa3_ctx->ipa_ready_cb_list, link) |
| 4120 | if (info->ready_cb) |
| 4121 | info->ready_cb(info->user_data); |
| 4122 | |
| 4123 | mutex_unlock(&ipa3_ctx->lock); |
| 4124 | } |
| 4125 | |
| 4126 | static int ipa3_gsi_pre_fw_load_init(void) |
| 4127 | { |
| 4128 | int result; |
| 4129 | |
| 4130 | result = gsi_configure_regs(ipa3_res.transport_mem_base, |
| 4131 | ipa3_res.transport_mem_size, |
| 4132 | ipa3_res.ipa_mem_base); |
| 4133 | if (result) { |
| 4134 | IPAERR("Failed to configure GSI registers\n"); |
| 4135 | return -EINVAL; |
| 4136 | } |
| 4137 | |
| 4138 | return 0; |
| 4139 | } |
| 4140 | |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4141 | static void ipa3_uc_is_loaded(void) |
| 4142 | { |
| 4143 | IPADBG("\n"); |
| 4144 | complete_all(&ipa3_ctx->uc_loaded_completion_obj); |
| 4145 | } |
| 4146 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 4147 | static enum gsi_ver ipa3_get_gsi_ver(enum ipa_hw_type ipa_hw_type) |
| 4148 | { |
| 4149 | enum gsi_ver gsi_ver; |
| 4150 | |
| 4151 | switch (ipa_hw_type) { |
| 4152 | case IPA_HW_v3_0: |
| 4153 | case IPA_HW_v3_1: |
| 4154 | gsi_ver = GSI_VER_1_0; |
| 4155 | break; |
| 4156 | case IPA_HW_v3_5: |
| 4157 | gsi_ver = GSI_VER_1_2; |
| 4158 | break; |
| 4159 | case IPA_HW_v3_5_1: |
| 4160 | gsi_ver = GSI_VER_1_3; |
| 4161 | break; |
Michael Adisumarta | 891a4ff | 2017-05-16 16:40:06 -0700 | [diff] [blame] | 4162 | case IPA_HW_v4_0: |
| 4163 | gsi_ver = GSI_VER_2_0; |
| 4164 | break; |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 4165 | default: |
| 4166 | IPAERR("No GSI version for ipa type %d\n", ipa_hw_type); |
| 4167 | WARN_ON(1); |
| 4168 | gsi_ver = GSI_VER_ERR; |
| 4169 | } |
| 4170 | |
| 4171 | IPADBG("GSI version %d\n", gsi_ver); |
| 4172 | |
| 4173 | return gsi_ver; |
| 4174 | } |
| 4175 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4176 | /** |
| 4177 | * ipa3_post_init() - Initialize the IPA Driver (Part II). |
| 4178 | * This part contains all initialization which requires interaction with |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4179 | * IPA HW (via GSI). |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4180 | * |
| 4181 | * @resource_p: contain platform specific values from DST file |
| 4182 | * @pdev: The platform device structure representing the IPA driver |
| 4183 | * |
| 4184 | * Function initialization process: |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4185 | * - Initialize endpoints bitmaps |
| 4186 | * - Initialize resource groups min and max values |
| 4187 | * - Initialize filtering lists heads and idr |
| 4188 | * - Initialize interrupts |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4189 | * - Register GSI |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4190 | * - Setup APPS pipes |
| 4191 | * - Initialize tethering bridge |
| 4192 | * - Initialize IPA debugfs |
| 4193 | * - Initialize IPA uC interface |
| 4194 | * - Initialize WDI interface |
| 4195 | * - Initialize USB interface |
| 4196 | * - Register for panic handler |
| 4197 | * - Trigger IPA ready callbacks (to all subscribers) |
| 4198 | * - Trigger IPA completion object (to all who wait on it) |
| 4199 | */ |
| 4200 | static int ipa3_post_init(const struct ipa3_plat_drv_res *resource_p, |
| 4201 | struct device *ipa_dev) |
| 4202 | { |
| 4203 | int result; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4204 | struct gsi_per_props gsi_props; |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4205 | struct ipa3_uc_hdlrs uc_hdlrs = { 0 }; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4206 | struct ipa3_flt_tbl *flt_tbl; |
| 4207 | int i; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4208 | struct idr *idr; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4209 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 4210 | if (ipa3_ctx == NULL) { |
| 4211 | IPADBG("IPA driver haven't initialized\n"); |
| 4212 | return -ENXIO; |
| 4213 | } |
| 4214 | |
| 4215 | /* Prevent consequent calls from trying to load the FW again. */ |
| 4216 | if (ipa3_ctx->ipa_initialization_complete) |
| 4217 | return 0; |
| 4218 | |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4219 | /* |
| 4220 | * indication whether working in MHI config or non MHI config is given |
| 4221 | * in ipa3_write which is launched before ipa3_post_init. i.e. from |
| 4222 | * this point it is safe to use ipa3_ep_mapping array and the correct |
| 4223 | * entry will be returned from ipa3_get_hw_type_index() |
| 4224 | */ |
| 4225 | ipa_init_ep_flt_bitmap(); |
| 4226 | IPADBG("EP with flt support bitmap 0x%x (%u pipes)\n", |
| 4227 | ipa3_ctx->ep_flt_bitmap, ipa3_ctx->ep_flt_num); |
| 4228 | |
| 4229 | /* Assign resource limitation to each group */ |
| 4230 | ipa3_set_resorce_groups_min_max_limits(); |
| 4231 | |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4232 | idr = &(ipa3_ctx->flt_rule_ids[IPA_IP_v4]); |
| 4233 | idr_init(idr); |
| 4234 | idr = &(ipa3_ctx->flt_rule_ids[IPA_IP_v6]); |
| 4235 | idr_init(idr); |
| 4236 | |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4237 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 4238 | if (!ipa_is_ep_support_flt(i)) |
| 4239 | continue; |
| 4240 | |
| 4241 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v4]; |
| 4242 | INIT_LIST_HEAD(&flt_tbl->head_flt_rule_list); |
| 4243 | flt_tbl->in_sys[IPA_RULE_HASHABLE] = |
| 4244 | !ipa3_ctx->ip4_flt_tbl_hash_lcl; |
| 4245 | flt_tbl->in_sys[IPA_RULE_NON_HASHABLE] = |
| 4246 | !ipa3_ctx->ip4_flt_tbl_nhash_lcl; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4247 | flt_tbl->rule_ids = &ipa3_ctx->flt_rule_ids[IPA_IP_v4]; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4248 | |
| 4249 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v6]; |
| 4250 | INIT_LIST_HEAD(&flt_tbl->head_flt_rule_list); |
| 4251 | flt_tbl->in_sys[IPA_RULE_HASHABLE] = |
| 4252 | !ipa3_ctx->ip6_flt_tbl_hash_lcl; |
| 4253 | flt_tbl->in_sys[IPA_RULE_NON_HASHABLE] = |
| 4254 | !ipa3_ctx->ip6_flt_tbl_nhash_lcl; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4255 | flt_tbl->rule_ids = &ipa3_ctx->flt_rule_ids[IPA_IP_v6]; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4256 | } |
| 4257 | |
| 4258 | if (!ipa3_ctx->apply_rg10_wa) { |
| 4259 | result = ipa3_init_interrupts(); |
| 4260 | if (result) { |
| 4261 | IPAERR("ipa initialization of interrupts failed\n"); |
| 4262 | result = -ENODEV; |
| 4263 | goto fail_register_device; |
| 4264 | } |
| 4265 | } else { |
| 4266 | IPADBG("Initialization of ipa interrupts skipped\n"); |
| 4267 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4268 | |
Amir Levy | 3afd94a | 2017-01-05 10:19:13 +0200 | [diff] [blame] | 4269 | /* |
Amir Levy | 5cfbb32 | 2017-01-09 14:53:02 +0200 | [diff] [blame] | 4270 | * IPAv3.5 and above requires to disable prefetch for USB in order |
| 4271 | * 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] | 4272 | */ |
Michael Adisumarta | d68ab11 | 2017-06-14 11:40:06 -0700 | [diff] [blame] | 4273 | if ((ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5 |
| 4274 | && ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) && |
Amir Levy | 5cfbb32 | 2017-01-09 14:53:02 +0200 | [diff] [blame] | 4275 | (!ipa3_ctx->ipa_config_is_mhi)) |
Amir Levy | 3afd94a | 2017-01-05 10:19:13 +0200 | [diff] [blame] | 4276 | ipa3_disable_prefetch(IPA_CLIENT_USB_CONS); |
| 4277 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4278 | memset(&gsi_props, 0, sizeof(gsi_props)); |
| 4279 | gsi_props.ver = ipa3_get_gsi_ver(resource_p->ipa_hw_type); |
| 4280 | gsi_props.ee = resource_p->ee; |
| 4281 | gsi_props.intr = GSI_INTR_IRQ; |
| 4282 | gsi_props.irq = resource_p->transport_irq; |
| 4283 | gsi_props.phys_addr = resource_p->transport_mem_base; |
| 4284 | gsi_props.size = resource_p->transport_mem_size; |
| 4285 | gsi_props.notify_cb = ipa_gsi_notify_cb; |
| 4286 | gsi_props.req_clk_cb = NULL; |
| 4287 | gsi_props.rel_clk_cb = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4288 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4289 | result = gsi_register_device(&gsi_props, |
| 4290 | &ipa3_ctx->gsi_dev_hdl); |
| 4291 | if (result != GSI_STATUS_SUCCESS) { |
| 4292 | IPAERR(":gsi register error - %d\n", result); |
| 4293 | result = -ENODEV; |
| 4294 | goto fail_register_device; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4295 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4296 | IPADBG("IPA gsi is registered\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4297 | |
| 4298 | /* setup the AP-IPA pipes */ |
| 4299 | if (ipa3_setup_apps_pipes()) { |
| 4300 | IPAERR(":failed to setup IPA-Apps pipes\n"); |
| 4301 | result = -ENODEV; |
| 4302 | goto fail_setup_apps_pipes; |
| 4303 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4304 | IPADBG("IPA GPI pipes were connected\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4305 | |
| 4306 | if (ipa3_ctx->use_ipa_teth_bridge) { |
| 4307 | /* Initialize the tethering bridge driver */ |
| 4308 | result = ipa3_teth_bridge_driver_init(); |
| 4309 | if (result) { |
| 4310 | IPAERR(":teth_bridge init failed (%d)\n", -result); |
| 4311 | result = -ENODEV; |
| 4312 | goto fail_teth_bridge_driver_init; |
| 4313 | } |
| 4314 | IPADBG("teth_bridge initialized"); |
| 4315 | } |
| 4316 | |
| 4317 | ipa3_debugfs_init(); |
| 4318 | |
| 4319 | result = ipa3_uc_interface_init(); |
| 4320 | if (result) |
| 4321 | IPAERR(":ipa Uc interface init failed (%d)\n", -result); |
| 4322 | else |
| 4323 | IPADBG(":ipa Uc interface init ok\n"); |
| 4324 | |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4325 | uc_hdlrs.ipa_uc_loaded_hdlr = ipa3_uc_is_loaded; |
| 4326 | ipa3_uc_register_handlers(IPA_HW_FEATURE_COMMON, &uc_hdlrs); |
| 4327 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4328 | result = ipa3_wdi_init(); |
| 4329 | if (result) |
| 4330 | IPAERR(":wdi init failed (%d)\n", -result); |
| 4331 | else |
| 4332 | IPADBG(":wdi init ok\n"); |
| 4333 | |
| 4334 | result = ipa3_ntn_init(); |
| 4335 | if (result) |
| 4336 | IPAERR(":ntn init failed (%d)\n", -result); |
| 4337 | else |
| 4338 | IPADBG(":ntn init ok\n"); |
| 4339 | |
Skylar Chang | 6f6e307 | 2017-07-28 10:03:47 -0700 | [diff] [blame] | 4340 | result = ipa_hw_stats_init(); |
| 4341 | if (result) |
| 4342 | IPAERR("fail to init stats %d\n", result); |
| 4343 | else |
| 4344 | IPADBG(":stats init ok\n"); |
| 4345 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4346 | ipa3_register_panic_hdlr(); |
| 4347 | |
| 4348 | ipa3_ctx->q6_proxy_clk_vote_valid = true; |
| 4349 | |
| 4350 | mutex_lock(&ipa3_ctx->lock); |
| 4351 | ipa3_ctx->ipa_initialization_complete = true; |
| 4352 | mutex_unlock(&ipa3_ctx->lock); |
| 4353 | |
| 4354 | ipa3_trigger_ipa_ready_cbs(); |
| 4355 | complete_all(&ipa3_ctx->init_completion_obj); |
| 4356 | pr_info("IPA driver initialization was successful.\n"); |
| 4357 | |
| 4358 | return 0; |
| 4359 | |
| 4360 | fail_teth_bridge_driver_init: |
| 4361 | ipa3_teardown_apps_pipes(); |
| 4362 | fail_setup_apps_pipes: |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4363 | gsi_deregister_device(ipa3_ctx->gsi_dev_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4364 | fail_register_device: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4365 | ipa3_destroy_flt_tbl_idrs(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4366 | return result; |
| 4367 | } |
| 4368 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4369 | static int ipa3_manual_load_ipa_fws(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4370 | { |
| 4371 | int result; |
| 4372 | const struct firmware *fw; |
| 4373 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4374 | IPADBG("Manual FW loading process initiated\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4375 | |
| 4376 | result = request_firmware(&fw, IPA_FWS_PATH, ipa3_ctx->dev); |
| 4377 | if (result < 0) { |
| 4378 | IPAERR("request_firmware failed, error %d\n", result); |
| 4379 | return result; |
| 4380 | } |
| 4381 | if (fw == NULL) { |
| 4382 | IPAERR("Firmware is NULL!\n"); |
| 4383 | return -EINVAL; |
| 4384 | } |
| 4385 | |
| 4386 | IPADBG("FWs are available for loading\n"); |
| 4387 | |
Ghanim Fodi | 37b6495 | 2017-01-24 15:42:30 +0200 | [diff] [blame] | 4388 | result = ipa3_load_fws(fw, ipa3_res.transport_mem_base); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4389 | if (result) { |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4390 | IPAERR("Manual IPA FWs loading has failed\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4391 | release_firmware(fw); |
| 4392 | return result; |
| 4393 | } |
| 4394 | |
| 4395 | result = gsi_enable_fw(ipa3_res.transport_mem_base, |
Amir Levy | 85dcd17 | 2016-12-06 17:47:39 +0200 | [diff] [blame] | 4396 | ipa3_res.transport_mem_size, |
| 4397 | ipa3_get_gsi_ver(ipa3_res.ipa_hw_type)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4398 | if (result) { |
| 4399 | IPAERR("Failed to enable GSI FW\n"); |
| 4400 | release_firmware(fw); |
| 4401 | return result; |
| 4402 | } |
| 4403 | |
| 4404 | release_firmware(fw); |
| 4405 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4406 | IPADBG("Manual FW loading process is complete\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4407 | return 0; |
| 4408 | } |
| 4409 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4410 | static int ipa3_pil_load_ipa_fws(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4411 | { |
| 4412 | void *subsystem_get_retval = NULL; |
| 4413 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4414 | IPADBG("PIL FW loading process initiated\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4415 | |
| 4416 | subsystem_get_retval = subsystem_get(IPA_SUBSYSTEM_NAME); |
| 4417 | if (IS_ERR_OR_NULL(subsystem_get_retval)) { |
| 4418 | IPAERR("Unable to trigger PIL process for FW loading\n"); |
| 4419 | return -EINVAL; |
| 4420 | } |
| 4421 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4422 | IPADBG("PIL FW loading process is complete\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4423 | return 0; |
| 4424 | } |
| 4425 | |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame^] | 4426 | static void ipa3_load_ipa_fw(struct work_struct *work) |
| 4427 | { |
| 4428 | int result; |
| 4429 | |
| 4430 | IPADBG("Entry\n"); |
| 4431 | |
| 4432 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 4433 | |
| 4434 | if (ipa3_is_msm_device() || (ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5)) |
| 4435 | result = ipa3_pil_load_ipa_fws(); |
| 4436 | else |
| 4437 | result = ipa3_manual_load_ipa_fws(); |
| 4438 | |
| 4439 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 4440 | |
| 4441 | if (result) { |
| 4442 | IPAERR("IPA FW loading process has failed\n"); |
| 4443 | return; |
| 4444 | } |
| 4445 | pr_info("IPA FW loaded successfully\n"); |
| 4446 | |
| 4447 | result = ipa3_post_init(&ipa3_res, ipa3_ctx->dev); |
| 4448 | if (result) |
| 4449 | IPAERR("IPA post init failed %d\n", result); |
| 4450 | } |
| 4451 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4452 | static ssize_t ipa3_write(struct file *file, const char __user *buf, |
| 4453 | size_t count, loff_t *ppos) |
| 4454 | { |
| 4455 | unsigned long missing; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4456 | |
| 4457 | char dbg_buff[16] = { 0 }; |
| 4458 | |
| 4459 | if (sizeof(dbg_buff) < count + 1) |
| 4460 | return -EFAULT; |
| 4461 | |
| 4462 | missing = copy_from_user(dbg_buff, buf, count); |
| 4463 | |
| 4464 | if (missing) { |
| 4465 | IPAERR("Unable to copy data from user\n"); |
| 4466 | return -EFAULT; |
| 4467 | } |
| 4468 | |
Mohammed Javid | bf4c802 | 2017-08-07 23:15:48 +0530 | [diff] [blame] | 4469 | if (count > 0) |
| 4470 | dbg_buff[count - 1] = '\0'; |
| 4471 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4472 | /* Prevent consequent calls from trying to load the FW again. */ |
| 4473 | if (ipa3_is_ready()) |
| 4474 | return count; |
| 4475 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4476 | /* Check MHI configuration on MDM devices */ |
| 4477 | if (!ipa3_is_msm_device()) { |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4478 | if (!strcasecmp(dbg_buff, "MHI")) { |
| 4479 | ipa3_ctx->ipa_config_is_mhi = true; |
| 4480 | pr_info( |
| 4481 | "IPA is loading with MHI configuration\n"); |
| 4482 | } else { |
| 4483 | pr_info( |
| 4484 | "IPA is loading with non MHI configuration\n"); |
| 4485 | } |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4486 | } |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4487 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4488 | queue_work(ipa3_ctx->transport_power_mgmt_wq, |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame^] | 4489 | &ipa3_fw_loading_work); |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4490 | |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame^] | 4491 | IPADBG("Scheduled a work to load IPA FW\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4492 | return count; |
| 4493 | } |
| 4494 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4495 | static int ipa3_tz_unlock_reg(struct ipa3_context *ipa3_ctx) |
| 4496 | { |
| 4497 | int i, size, ret, resp; |
| 4498 | struct tz_smmu_ipa_protect_region_iovec_s *ipa_tz_unlock_vec; |
| 4499 | struct tz_smmu_ipa_protect_region_s cmd_buf; |
| 4500 | |
| 4501 | if (ipa3_ctx && ipa3_ctx->ipa_tz_unlock_reg_num > 0) { |
| 4502 | size = ipa3_ctx->ipa_tz_unlock_reg_num * |
| 4503 | sizeof(struct tz_smmu_ipa_protect_region_iovec_s); |
| 4504 | ipa_tz_unlock_vec = kzalloc(PAGE_ALIGN(size), GFP_KERNEL); |
| 4505 | if (ipa_tz_unlock_vec == NULL) |
| 4506 | return -ENOMEM; |
| 4507 | |
| 4508 | for (i = 0; i < ipa3_ctx->ipa_tz_unlock_reg_num; i++) { |
| 4509 | ipa_tz_unlock_vec[i].input_addr = |
| 4510 | ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr ^ |
| 4511 | (ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr & |
| 4512 | 0xFFF); |
| 4513 | ipa_tz_unlock_vec[i].output_addr = |
| 4514 | ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr ^ |
| 4515 | (ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr & |
| 4516 | 0xFFF); |
| 4517 | ipa_tz_unlock_vec[i].size = |
| 4518 | ipa3_ctx->ipa_tz_unlock_reg[i].size; |
| 4519 | ipa_tz_unlock_vec[i].attr = IPA_TZ_UNLOCK_ATTRIBUTE; |
| 4520 | } |
| 4521 | |
| 4522 | /* pass physical address of command buffer */ |
| 4523 | cmd_buf.iovec_buf = virt_to_phys((void *)ipa_tz_unlock_vec); |
| 4524 | cmd_buf.size_bytes = size; |
| 4525 | |
| 4526 | /* flush cache to DDR */ |
| 4527 | __cpuc_flush_dcache_area((void *)ipa_tz_unlock_vec, size); |
| 4528 | outer_flush_range(cmd_buf.iovec_buf, cmd_buf.iovec_buf + size); |
| 4529 | |
| 4530 | ret = scm_call(SCM_SVC_MP, TZ_MEM_PROTECT_REGION_ID, &cmd_buf, |
| 4531 | sizeof(cmd_buf), &resp, sizeof(resp)); |
| 4532 | if (ret) { |
| 4533 | IPAERR("scm call SCM_SVC_MP failed: %d\n", ret); |
| 4534 | kfree(ipa_tz_unlock_vec); |
| 4535 | return -EFAULT; |
| 4536 | } |
| 4537 | kfree(ipa_tz_unlock_vec); |
| 4538 | } |
| 4539 | return 0; |
| 4540 | } |
| 4541 | |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 4542 | static int ipa3_alloc_pkt_init(void) |
| 4543 | { |
| 4544 | struct ipa_mem_buffer mem; |
| 4545 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 4546 | struct ipahal_imm_cmd_ip_packet_init cmd = {0}; |
| 4547 | int i; |
| 4548 | |
| 4549 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_IP_PACKET_INIT, |
| 4550 | &cmd, false); |
| 4551 | if (!cmd_pyld) { |
| 4552 | IPAERR("failed to construct IMM cmd\n"); |
| 4553 | return -ENOMEM; |
| 4554 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 4555 | ipa3_ctx->pkt_init_imm_opcode = cmd_pyld->opcode; |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 4556 | |
| 4557 | mem.size = cmd_pyld->len * ipa3_ctx->ipa_num_pipes; |
| 4558 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, |
| 4559 | &mem.phys_base, GFP_KERNEL); |
| 4560 | if (!mem.base) { |
| 4561 | IPAERR("failed to alloc DMA buff of size %d\n", mem.size); |
| 4562 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 4563 | return -ENOMEM; |
| 4564 | } |
| 4565 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 4566 | |
| 4567 | memset(mem.base, 0, mem.size); |
| 4568 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 4569 | cmd.destination_pipe_index = i; |
| 4570 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_IP_PACKET_INIT, |
| 4571 | &cmd, false); |
| 4572 | if (!cmd_pyld) { |
| 4573 | IPAERR("failed to construct IMM cmd\n"); |
| 4574 | dma_free_coherent(ipa3_ctx->pdev, |
| 4575 | mem.size, |
| 4576 | mem.base, |
| 4577 | mem.phys_base); |
| 4578 | return -ENOMEM; |
| 4579 | } |
| 4580 | memcpy(mem.base + i * cmd_pyld->len, cmd_pyld->data, |
| 4581 | cmd_pyld->len); |
| 4582 | ipa3_ctx->pkt_init_imm[i] = mem.phys_base + i * cmd_pyld->len; |
| 4583 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 4584 | } |
| 4585 | |
| 4586 | return 0; |
| 4587 | } |
| 4588 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4589 | /** |
| 4590 | * ipa3_pre_init() - Initialize the IPA Driver. |
| 4591 | * This part contains all initialization which doesn't require IPA HW, such |
| 4592 | * as structure allocations and initializations, register writes, etc. |
| 4593 | * |
| 4594 | * @resource_p: contain platform specific values from DST file |
| 4595 | * @pdev: The platform device structure representing the IPA driver |
| 4596 | * |
| 4597 | * Function initialization process: |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4598 | * Allocate memory for the driver context data struct |
| 4599 | * Initializing the ipa3_ctx with : |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4600 | * 1)parsed values from the dts file |
| 4601 | * 2)parameters passed to the module initialization |
| 4602 | * 3)read HW values(such as core memory size) |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4603 | * Map IPA core registers to CPU memory |
| 4604 | * Restart IPA core(HW reset) |
| 4605 | * Initialize the look-aside caches(kmem_cache/slab) for filter, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4606 | * routing and IPA-tree |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4607 | * Create memory pool with 4 objects for DMA operations(each object |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4608 | * is 512Bytes long), this object will be use for tx(A5->IPA) |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4609 | * Initialize lists head(routing, hdr, system pipes) |
| 4610 | * Initialize mutexes (for ipa_ctx and NAT memory mutexes) |
| 4611 | * Initialize spinlocks (for list related to A5<->IPA pipes) |
| 4612 | * Initialize 2 single-threaded work-queue named "ipa rx wq" and "ipa tx wq" |
| 4613 | * Initialize Red-Black-Tree(s) for handles of header,routing rule, |
| 4614 | * routing table ,filtering rule |
| 4615 | * Initialize the filter block by committing IPV4 and IPV6 default rules |
| 4616 | * Create empty routing table in system memory(no committing) |
| 4617 | * Create a char-device for IPA |
| 4618 | * Initialize IPA RM (resource manager) |
| 4619 | * Configure GSI registers (in GSI case) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4620 | */ |
| 4621 | static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p, |
| 4622 | struct device *ipa_dev) |
| 4623 | { |
| 4624 | int result = 0; |
| 4625 | int i; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4626 | struct ipa3_rt_tbl_set *rset; |
| 4627 | struct ipa_active_client_logging_info log_info; |
| 4628 | |
| 4629 | IPADBG("IPA Driver initialization started\n"); |
| 4630 | |
| 4631 | ipa3_ctx = kzalloc(sizeof(*ipa3_ctx), GFP_KERNEL); |
| 4632 | if (!ipa3_ctx) { |
| 4633 | IPAERR(":kzalloc err.\n"); |
| 4634 | result = -ENOMEM; |
| 4635 | goto fail_mem_ctx; |
| 4636 | } |
| 4637 | |
| 4638 | 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] | 4639 | if (ipa3_ctx->logbuf == NULL) |
| 4640 | IPAERR("failed to create IPC log, continue...\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4641 | |
| 4642 | ipa3_ctx->pdev = ipa_dev; |
| 4643 | ipa3_ctx->uc_pdev = ipa_dev; |
| 4644 | ipa3_ctx->smmu_present = smmu_info.present; |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 4645 | if (!ipa3_ctx->smmu_present) { |
| 4646 | for (i = 0; i < IPA_SMMU_CB_MAX; i++) |
| 4647 | ipa3_ctx->s1_bypass_arr[i] = true; |
| 4648 | } else { |
| 4649 | for (i = 0; i < IPA_SMMU_CB_MAX; i++) |
| 4650 | ipa3_ctx->s1_bypass_arr[i] = smmu_info.s1_bypass_arr[i]; |
| 4651 | } |
| 4652 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4653 | ipa3_ctx->ipa_wrapper_base = resource_p->ipa_mem_base; |
| 4654 | ipa3_ctx->ipa_wrapper_size = resource_p->ipa_mem_size; |
| 4655 | ipa3_ctx->ipa_hw_type = resource_p->ipa_hw_type; |
| 4656 | ipa3_ctx->ipa3_hw_mode = resource_p->ipa3_hw_mode; |
| 4657 | ipa3_ctx->use_ipa_teth_bridge = resource_p->use_ipa_teth_bridge; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4658 | ipa3_ctx->modem_cfg_emb_pipe_flt = resource_p->modem_cfg_emb_pipe_flt; |
| 4659 | ipa3_ctx->ipa_wdi2 = resource_p->ipa_wdi2; |
| 4660 | ipa3_ctx->use_64_bit_dma_mask = resource_p->use_64_bit_dma_mask; |
| 4661 | ipa3_ctx->wan_rx_ring_size = resource_p->wan_rx_ring_size; |
| 4662 | ipa3_ctx->lan_rx_ring_size = resource_p->lan_rx_ring_size; |
| 4663 | ipa3_ctx->skip_uc_pipe_reset = resource_p->skip_uc_pipe_reset; |
| 4664 | ipa3_ctx->tethered_flow_control = resource_p->tethered_flow_control; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4665 | ipa3_ctx->ee = resource_p->ee; |
| 4666 | ipa3_ctx->apply_rg10_wa = resource_p->apply_rg10_wa; |
| 4667 | ipa3_ctx->gsi_ch20_wa = resource_p->gsi_ch20_wa; |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4668 | ipa3_ctx->use_ipa_pm = resource_p->use_ipa_pm; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4669 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = false; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4670 | if (resource_p->ipa_tz_unlock_reg) { |
| 4671 | ipa3_ctx->ipa_tz_unlock_reg_num = |
| 4672 | resource_p->ipa_tz_unlock_reg_num; |
| 4673 | ipa3_ctx->ipa_tz_unlock_reg = kcalloc( |
| 4674 | ipa3_ctx->ipa_tz_unlock_reg_num, |
| 4675 | sizeof(*ipa3_ctx->ipa_tz_unlock_reg), |
| 4676 | GFP_KERNEL); |
| 4677 | if (ipa3_ctx->ipa_tz_unlock_reg == NULL) { |
| 4678 | result = -ENOMEM; |
| 4679 | goto fail_tz_unlock_reg; |
| 4680 | } |
| 4681 | for (i = 0; i < ipa3_ctx->ipa_tz_unlock_reg_num; i++) { |
| 4682 | ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr = |
| 4683 | resource_p->ipa_tz_unlock_reg[i].reg_addr; |
| 4684 | ipa3_ctx->ipa_tz_unlock_reg[i].size = |
| 4685 | resource_p->ipa_tz_unlock_reg[i].size; |
| 4686 | } |
| 4687 | } |
| 4688 | |
| 4689 | /* unlock registers for uc */ |
| 4690 | ipa3_tz_unlock_reg(ipa3_ctx); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4691 | |
| 4692 | /* default aggregation parameters */ |
| 4693 | ipa3_ctx->aggregation_type = IPA_MBIM_16; |
| 4694 | ipa3_ctx->aggregation_byte_limit = 1; |
| 4695 | ipa3_ctx->aggregation_time_limit = 0; |
| 4696 | |
| 4697 | ipa3_ctx->ctrl = kzalloc(sizeof(*ipa3_ctx->ctrl), GFP_KERNEL); |
| 4698 | if (!ipa3_ctx->ctrl) { |
| 4699 | IPAERR("memory allocation error for ctrl\n"); |
| 4700 | result = -ENOMEM; |
| 4701 | goto fail_mem_ctrl; |
| 4702 | } |
| 4703 | result = ipa3_controller_static_bind(ipa3_ctx->ctrl, |
| 4704 | ipa3_ctx->ipa_hw_type); |
| 4705 | if (result) { |
| 4706 | IPAERR("fail to static bind IPA ctrl.\n"); |
| 4707 | result = -EFAULT; |
| 4708 | goto fail_bind; |
| 4709 | } |
| 4710 | |
| 4711 | result = ipa3_init_mem_partition(master_dev->of_node); |
| 4712 | if (result) { |
| 4713 | IPAERR(":ipa3_init_mem_partition failed!\n"); |
| 4714 | result = -ENODEV; |
| 4715 | goto fail_init_mem_partition; |
| 4716 | } |
| 4717 | |
| 4718 | if (ipa3_bus_scale_table) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4719 | IPADBG("Use bus scaling info from device tree #usecases=%d\n", |
| 4720 | ipa3_bus_scale_table->num_usecases); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4721 | ipa3_ctx->ctrl->msm_bus_data_ptr = ipa3_bus_scale_table; |
| 4722 | } |
| 4723 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4724 | /* get BUS handle */ |
| 4725 | ipa3_ctx->ipa_bus_hdl = |
| 4726 | msm_bus_scale_register_client( |
| 4727 | ipa3_ctx->ctrl->msm_bus_data_ptr); |
| 4728 | if (!ipa3_ctx->ipa_bus_hdl) { |
| 4729 | IPAERR("fail to register with bus mgr!\n"); |
| 4730 | result = -ENODEV; |
| 4731 | goto fail_bus_reg; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4732 | } |
| 4733 | |
| 4734 | /* get IPA clocks */ |
| 4735 | result = ipa3_get_clks(master_dev); |
| 4736 | if (result) |
| 4737 | goto fail_clk; |
| 4738 | |
| 4739 | /* init active_clients_log after getting ipa-clk */ |
| 4740 | if (ipa3_active_clients_log_init()) |
| 4741 | goto fail_init_active_client; |
| 4742 | |
| 4743 | /* Enable ipa3_ctx->enable_clock_scaling */ |
| 4744 | ipa3_ctx->enable_clock_scaling = 1; |
| 4745 | ipa3_ctx->curr_ipa_clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 4746 | |
| 4747 | /* enable IPA clocks explicitly to allow the initialization */ |
| 4748 | ipa3_enable_clks(); |
| 4749 | |
| 4750 | /* setup IPA register access */ |
| 4751 | IPADBG("Mapping 0x%x\n", resource_p->ipa_mem_base + |
| 4752 | ipa3_ctx->ctrl->ipa_reg_base_ofst); |
| 4753 | ipa3_ctx->mmio = ioremap(resource_p->ipa_mem_base + |
| 4754 | ipa3_ctx->ctrl->ipa_reg_base_ofst, |
| 4755 | resource_p->ipa_mem_size); |
| 4756 | if (!ipa3_ctx->mmio) { |
| 4757 | IPAERR(":ipa-base ioremap err.\n"); |
| 4758 | result = -EFAULT; |
| 4759 | goto fail_remap; |
| 4760 | } |
| 4761 | |
| 4762 | if (ipahal_init(ipa3_ctx->ipa_hw_type, ipa3_ctx->mmio, |
| 4763 | ipa3_ctx->pdev)) { |
| 4764 | IPAERR("fail to init ipahal\n"); |
| 4765 | result = -EFAULT; |
| 4766 | goto fail_ipahal; |
| 4767 | } |
| 4768 | |
| 4769 | result = ipa3_init_hw(); |
| 4770 | if (result) { |
| 4771 | IPAERR(":error initializing HW.\n"); |
| 4772 | result = -ENODEV; |
| 4773 | goto fail_init_hw; |
| 4774 | } |
| 4775 | IPADBG("IPA HW initialization sequence completed"); |
| 4776 | |
| 4777 | ipa3_ctx->ipa_num_pipes = ipa3_get_num_pipes(); |
| 4778 | if (ipa3_ctx->ipa_num_pipes > IPA3_MAX_NUM_PIPES) { |
| 4779 | IPAERR("IPA has more pipes then supported! has %d, max %d\n", |
| 4780 | ipa3_ctx->ipa_num_pipes, IPA3_MAX_NUM_PIPES); |
| 4781 | result = -ENODEV; |
| 4782 | goto fail_init_hw; |
| 4783 | } |
| 4784 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4785 | ipa3_ctx->ctrl->ipa_sram_read_settings(); |
| 4786 | IPADBG("SRAM, size: 0x%x, restricted bytes: 0x%x\n", |
| 4787 | ipa3_ctx->smem_sz, ipa3_ctx->smem_restricted_bytes); |
| 4788 | |
| 4789 | IPADBG("hdr_lcl=%u ip4_rt_hash=%u ip4_rt_nonhash=%u\n", |
| 4790 | ipa3_ctx->hdr_tbl_lcl, ipa3_ctx->ip4_rt_tbl_hash_lcl, |
| 4791 | ipa3_ctx->ip4_rt_tbl_nhash_lcl); |
| 4792 | |
| 4793 | IPADBG("ip6_rt_hash=%u ip6_rt_nonhash=%u\n", |
| 4794 | ipa3_ctx->ip6_rt_tbl_hash_lcl, ipa3_ctx->ip6_rt_tbl_nhash_lcl); |
| 4795 | |
| 4796 | IPADBG("ip4_flt_hash=%u ip4_flt_nonhash=%u\n", |
| 4797 | ipa3_ctx->ip4_flt_tbl_hash_lcl, |
| 4798 | ipa3_ctx->ip4_flt_tbl_nhash_lcl); |
| 4799 | |
| 4800 | IPADBG("ip6_flt_hash=%u ip6_flt_nonhash=%u\n", |
| 4801 | ipa3_ctx->ip6_flt_tbl_hash_lcl, |
| 4802 | ipa3_ctx->ip6_flt_tbl_nhash_lcl); |
| 4803 | |
| 4804 | if (ipa3_ctx->smem_reqd_sz > ipa3_ctx->smem_sz) { |
| 4805 | IPAERR("SW expect more core memory, needed %d, avail %d\n", |
| 4806 | ipa3_ctx->smem_reqd_sz, ipa3_ctx->smem_sz); |
| 4807 | result = -ENOMEM; |
| 4808 | goto fail_init_hw; |
| 4809 | } |
| 4810 | |
| 4811 | mutex_init(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4812 | IPA_ACTIVE_CLIENTS_PREP_SPECIAL(log_info, "PROXY_CLK_VOTE"); |
| 4813 | ipa3_active_clients_log_inc(&log_info, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 4814 | atomic_set(&ipa3_ctx->ipa3_active_clients.cnt, 1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4815 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4816 | /* Create workqueues for power management */ |
| 4817 | ipa3_ctx->power_mgmt_wq = |
| 4818 | create_singlethread_workqueue("ipa_power_mgmt"); |
| 4819 | if (!ipa3_ctx->power_mgmt_wq) { |
| 4820 | IPAERR("failed to create power mgmt wq\n"); |
| 4821 | result = -ENOMEM; |
| 4822 | goto fail_init_hw; |
| 4823 | } |
| 4824 | |
| 4825 | ipa3_ctx->transport_power_mgmt_wq = |
| 4826 | create_singlethread_workqueue("transport_power_mgmt"); |
| 4827 | if (!ipa3_ctx->transport_power_mgmt_wq) { |
| 4828 | IPAERR("failed to create transport power mgmt wq\n"); |
| 4829 | result = -ENOMEM; |
| 4830 | goto fail_create_transport_wq; |
| 4831 | } |
| 4832 | |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 4833 | mutex_init(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4834 | |
| 4835 | /* init the lookaside cache */ |
| 4836 | ipa3_ctx->flt_rule_cache = kmem_cache_create("IPA_FLT", |
| 4837 | sizeof(struct ipa3_flt_entry), 0, 0, NULL); |
| 4838 | if (!ipa3_ctx->flt_rule_cache) { |
| 4839 | IPAERR(":ipa flt cache create failed\n"); |
| 4840 | result = -ENOMEM; |
| 4841 | goto fail_flt_rule_cache; |
| 4842 | } |
| 4843 | ipa3_ctx->rt_rule_cache = kmem_cache_create("IPA_RT", |
| 4844 | sizeof(struct ipa3_rt_entry), 0, 0, NULL); |
| 4845 | if (!ipa3_ctx->rt_rule_cache) { |
| 4846 | IPAERR(":ipa rt cache create failed\n"); |
| 4847 | result = -ENOMEM; |
| 4848 | goto fail_rt_rule_cache; |
| 4849 | } |
| 4850 | ipa3_ctx->hdr_cache = kmem_cache_create("IPA_HDR", |
| 4851 | sizeof(struct ipa3_hdr_entry), 0, 0, NULL); |
| 4852 | if (!ipa3_ctx->hdr_cache) { |
| 4853 | IPAERR(":ipa hdr cache create failed\n"); |
| 4854 | result = -ENOMEM; |
| 4855 | goto fail_hdr_cache; |
| 4856 | } |
| 4857 | ipa3_ctx->hdr_offset_cache = |
| 4858 | kmem_cache_create("IPA_HDR_OFFSET", |
| 4859 | sizeof(struct ipa_hdr_offset_entry), 0, 0, NULL); |
| 4860 | if (!ipa3_ctx->hdr_offset_cache) { |
| 4861 | IPAERR(":ipa hdr off cache create failed\n"); |
| 4862 | result = -ENOMEM; |
| 4863 | goto fail_hdr_offset_cache; |
| 4864 | } |
| 4865 | ipa3_ctx->hdr_proc_ctx_cache = kmem_cache_create("IPA_HDR_PROC_CTX", |
| 4866 | sizeof(struct ipa3_hdr_proc_ctx_entry), 0, 0, NULL); |
| 4867 | if (!ipa3_ctx->hdr_proc_ctx_cache) { |
| 4868 | IPAERR(":ipa hdr proc ctx cache create failed\n"); |
| 4869 | result = -ENOMEM; |
| 4870 | goto fail_hdr_proc_ctx_cache; |
| 4871 | } |
| 4872 | ipa3_ctx->hdr_proc_ctx_offset_cache = |
| 4873 | kmem_cache_create("IPA_HDR_PROC_CTX_OFFSET", |
| 4874 | sizeof(struct ipa3_hdr_proc_ctx_offset_entry), 0, 0, NULL); |
| 4875 | if (!ipa3_ctx->hdr_proc_ctx_offset_cache) { |
| 4876 | IPAERR(":ipa hdr proc ctx off cache create failed\n"); |
| 4877 | result = -ENOMEM; |
| 4878 | goto fail_hdr_proc_ctx_offset_cache; |
| 4879 | } |
| 4880 | ipa3_ctx->rt_tbl_cache = kmem_cache_create("IPA_RT_TBL", |
| 4881 | sizeof(struct ipa3_rt_tbl), 0, 0, NULL); |
| 4882 | if (!ipa3_ctx->rt_tbl_cache) { |
| 4883 | IPAERR(":ipa rt tbl cache create failed\n"); |
| 4884 | result = -ENOMEM; |
| 4885 | goto fail_rt_tbl_cache; |
| 4886 | } |
| 4887 | ipa3_ctx->tx_pkt_wrapper_cache = |
| 4888 | kmem_cache_create("IPA_TX_PKT_WRAPPER", |
| 4889 | sizeof(struct ipa3_tx_pkt_wrapper), 0, 0, NULL); |
| 4890 | if (!ipa3_ctx->tx_pkt_wrapper_cache) { |
| 4891 | IPAERR(":ipa tx pkt wrapper cache create failed\n"); |
| 4892 | result = -ENOMEM; |
| 4893 | goto fail_tx_pkt_wrapper_cache; |
| 4894 | } |
| 4895 | ipa3_ctx->rx_pkt_wrapper_cache = |
| 4896 | kmem_cache_create("IPA_RX_PKT_WRAPPER", |
| 4897 | sizeof(struct ipa3_rx_pkt_wrapper), 0, 0, NULL); |
| 4898 | if (!ipa3_ctx->rx_pkt_wrapper_cache) { |
| 4899 | IPAERR(":ipa rx pkt wrapper cache create failed\n"); |
| 4900 | result = -ENOMEM; |
| 4901 | goto fail_rx_pkt_wrapper_cache; |
| 4902 | } |
| 4903 | |
Skylar Chang | 6c4bec9 | 2017-04-21 16:10:14 -0700 | [diff] [blame] | 4904 | /* allocate memory for DMA_TASK workaround */ |
| 4905 | result = ipa3_allocate_dma_task_for_gsi(); |
| 4906 | if (result) { |
| 4907 | IPAERR("failed to allocate dma task\n"); |
| 4908 | goto fail_dma_task; |
| 4909 | } |
| 4910 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4911 | /* init the various list heads */ |
| 4912 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_hdr_entry_list); |
| 4913 | for (i = 0; i < IPA_HDR_BIN_MAX; i++) { |
| 4914 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_offset_list[i]); |
| 4915 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_free_offset_list[i]); |
| 4916 | } |
| 4917 | INIT_LIST_HEAD(&ipa3_ctx->hdr_proc_ctx_tbl.head_proc_ctx_entry_list); |
| 4918 | for (i = 0; i < IPA_HDR_PROC_CTX_BIN_MAX; i++) { |
| 4919 | INIT_LIST_HEAD(&ipa3_ctx->hdr_proc_ctx_tbl.head_offset_list[i]); |
| 4920 | INIT_LIST_HEAD(&ipa3_ctx-> |
| 4921 | hdr_proc_ctx_tbl.head_free_offset_list[i]); |
| 4922 | } |
| 4923 | INIT_LIST_HEAD(&ipa3_ctx->rt_tbl_set[IPA_IP_v4].head_rt_tbl_list); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4924 | idr_init(&ipa3_ctx->rt_tbl_set[IPA_IP_v4].rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4925 | INIT_LIST_HEAD(&ipa3_ctx->rt_tbl_set[IPA_IP_v6].head_rt_tbl_list); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4926 | idr_init(&ipa3_ctx->rt_tbl_set[IPA_IP_v6].rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4927 | |
| 4928 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v4]; |
| 4929 | INIT_LIST_HEAD(&rset->head_rt_tbl_list); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4930 | idr_init(&rset->rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4931 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v6]; |
| 4932 | INIT_LIST_HEAD(&rset->head_rt_tbl_list); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4933 | idr_init(&rset->rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4934 | |
| 4935 | INIT_LIST_HEAD(&ipa3_ctx->intf_list); |
| 4936 | INIT_LIST_HEAD(&ipa3_ctx->msg_list); |
| 4937 | INIT_LIST_HEAD(&ipa3_ctx->pull_msg_list); |
| 4938 | init_waitqueue_head(&ipa3_ctx->msg_waitq); |
| 4939 | mutex_init(&ipa3_ctx->msg_lock); |
| 4940 | |
| 4941 | mutex_init(&ipa3_ctx->lock); |
| 4942 | mutex_init(&ipa3_ctx->nat_mem.lock); |
Skylar Chang | fb792c6 | 2017-08-17 12:53:23 -0700 | [diff] [blame] | 4943 | mutex_init(&ipa3_ctx->q6_proxy_clk_vote_mutex); |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 4944 | mutex_init(&ipa3_ctx->ipa_cne_evt_lock); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4945 | |
| 4946 | idr_init(&ipa3_ctx->ipa_idr); |
| 4947 | spin_lock_init(&ipa3_ctx->idr_lock); |
| 4948 | |
| 4949 | /* wlan related member */ |
| 4950 | memset(&ipa3_ctx->wc_memb, 0, sizeof(ipa3_ctx->wc_memb)); |
| 4951 | spin_lock_init(&ipa3_ctx->wc_memb.wlan_spinlock); |
| 4952 | spin_lock_init(&ipa3_ctx->wc_memb.ipa_tx_mul_spinlock); |
| 4953 | INIT_LIST_HEAD(&ipa3_ctx->wc_memb.wlan_comm_desc_list); |
| 4954 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4955 | ipa3_ctx->class = class_create(THIS_MODULE, DRV_NAME); |
| 4956 | |
| 4957 | result = alloc_chrdev_region(&ipa3_ctx->dev_num, 0, 1, DRV_NAME); |
| 4958 | if (result) { |
| 4959 | IPAERR("alloc_chrdev_region err.\n"); |
| 4960 | result = -ENODEV; |
| 4961 | goto fail_alloc_chrdev_region; |
| 4962 | } |
| 4963 | |
| 4964 | ipa3_ctx->dev = device_create(ipa3_ctx->class, NULL, ipa3_ctx->dev_num, |
| 4965 | ipa3_ctx, DRV_NAME); |
| 4966 | if (IS_ERR(ipa3_ctx->dev)) { |
| 4967 | IPAERR(":device_create err.\n"); |
| 4968 | result = -ENODEV; |
| 4969 | goto fail_device_create; |
| 4970 | } |
| 4971 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4972 | if (ipa3_create_nat_device()) { |
| 4973 | IPAERR("unable to create nat device\n"); |
| 4974 | result = -ENODEV; |
| 4975 | goto fail_nat_dev_add; |
| 4976 | } |
| 4977 | |
| 4978 | /* Create a wakeup source. */ |
| 4979 | wakeup_source_init(&ipa3_ctx->w_lock, "IPA_WS"); |
| 4980 | spin_lock_init(&ipa3_ctx->wakelock_ref_cnt.spinlock); |
| 4981 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4982 | /* Initialize Power Management framework */ |
| 4983 | if (ipa3_ctx->use_ipa_pm) { |
| 4984 | result = ipa_pm_init(&ipa3_res.pm_init); |
| 4985 | if (result) { |
| 4986 | IPAERR("IPA PM initialization failed (%d)\n", -result); |
| 4987 | result = -ENODEV; |
| 4988 | goto fail_ipa_rm_init; |
| 4989 | } |
| 4990 | IPADBG("IPA resource manager initialized"); |
| 4991 | } else { |
| 4992 | result = ipa_rm_initialize(); |
| 4993 | if (result) { |
| 4994 | IPAERR("RM initialization failed (%d)\n", -result); |
| 4995 | result = -ENODEV; |
| 4996 | goto fail_ipa_rm_init; |
| 4997 | } |
| 4998 | IPADBG("IPA resource manager initialized"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4999 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5000 | result = ipa3_create_apps_resource(); |
| 5001 | if (result) { |
| 5002 | IPAERR("Failed to create APPS_CONS resource\n"); |
| 5003 | result = -ENODEV; |
| 5004 | goto fail_create_apps_resource; |
| 5005 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5006 | } |
| 5007 | |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 5008 | result = ipa3_alloc_pkt_init(); |
| 5009 | if (result) { |
| 5010 | IPAERR("Failed to alloc pkt_init payload\n"); |
| 5011 | result = -ENODEV; |
| 5012 | goto fail_create_apps_resource; |
| 5013 | } |
| 5014 | |
Amir Levy | 12ef091 | 2016-08-30 09:27:34 +0300 | [diff] [blame] | 5015 | if (ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5) |
| 5016 | ipa3_enable_dcd(); |
| 5017 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5018 | INIT_LIST_HEAD(&ipa3_ctx->ipa_ready_cb_list); |
| 5019 | |
| 5020 | init_completion(&ipa3_ctx->init_completion_obj); |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 5021 | init_completion(&ipa3_ctx->uc_loaded_completion_obj); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5022 | |
| 5023 | /* |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5024 | * We can't register the GSI driver yet, as it expects |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5025 | * the GSI FW to be up and running before the registration. |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5026 | * |
| 5027 | * For IPA3.0, the GSI configuration is done by the GSI driver. |
| 5028 | * For IPA3.1 (and on), the GSI configuration is done by TZ. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5029 | */ |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5030 | if (ipa3_ctx->ipa_hw_type == IPA_HW_v3_0) { |
| 5031 | result = ipa3_gsi_pre_fw_load_init(); |
| 5032 | if (result) { |
| 5033 | IPAERR("gsi pre FW loading config failed\n"); |
| 5034 | result = -ENODEV; |
| 5035 | goto fail_ipa_init_interrupts; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5036 | } |
| 5037 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5038 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 5039 | cdev_init(&ipa3_ctx->cdev, &ipa3_drv_fops); |
| 5040 | ipa3_ctx->cdev.owner = THIS_MODULE; |
| 5041 | ipa3_ctx->cdev.ops = &ipa3_drv_fops; /* from LDD3 */ |
| 5042 | |
| 5043 | result = cdev_add(&ipa3_ctx->cdev, ipa3_ctx->dev_num, 1); |
| 5044 | if (result) { |
| 5045 | IPAERR(":cdev_add err=%d\n", -result); |
| 5046 | result = -ENODEV; |
| 5047 | goto fail_cdev_add; |
| 5048 | } |
| 5049 | IPADBG("ipa cdev added successful. major:%d minor:%d\n", |
| 5050 | MAJOR(ipa3_ctx->dev_num), |
| 5051 | MINOR(ipa3_ctx->dev_num)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5052 | return 0; |
| 5053 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 5054 | fail_cdev_add: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5055 | fail_ipa_init_interrupts: |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5056 | if (!ipa3_ctx->use_ipa_pm) |
| 5057 | ipa_rm_delete_resource(IPA_RM_RESOURCE_APPS_CONS); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5058 | fail_create_apps_resource: |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5059 | if (!ipa3_ctx->use_ipa_pm) |
| 5060 | ipa_rm_exit(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5061 | fail_ipa_rm_init: |
| 5062 | fail_nat_dev_add: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5063 | device_destroy(ipa3_ctx->class, ipa3_ctx->dev_num); |
| 5064 | fail_device_create: |
| 5065 | unregister_chrdev_region(ipa3_ctx->dev_num, 1); |
| 5066 | fail_alloc_chrdev_region: |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 5067 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v6]; |
| 5068 | idr_destroy(&rset->rule_ids); |
| 5069 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v4]; |
| 5070 | idr_destroy(&rset->rule_ids); |
| 5071 | idr_destroy(&ipa3_ctx->rt_tbl_set[IPA_IP_v6].rule_ids); |
| 5072 | idr_destroy(&ipa3_ctx->rt_tbl_set[IPA_IP_v4].rule_ids); |
Skylar Chang | 6c4bec9 | 2017-04-21 16:10:14 -0700 | [diff] [blame] | 5073 | ipa3_free_dma_task_for_gsi(); |
| 5074 | fail_dma_task: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5075 | idr_destroy(&ipa3_ctx->ipa_idr); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5076 | kmem_cache_destroy(ipa3_ctx->rx_pkt_wrapper_cache); |
| 5077 | fail_rx_pkt_wrapper_cache: |
| 5078 | kmem_cache_destroy(ipa3_ctx->tx_pkt_wrapper_cache); |
| 5079 | fail_tx_pkt_wrapper_cache: |
| 5080 | kmem_cache_destroy(ipa3_ctx->rt_tbl_cache); |
| 5081 | fail_rt_tbl_cache: |
| 5082 | kmem_cache_destroy(ipa3_ctx->hdr_proc_ctx_offset_cache); |
| 5083 | fail_hdr_proc_ctx_offset_cache: |
| 5084 | kmem_cache_destroy(ipa3_ctx->hdr_proc_ctx_cache); |
| 5085 | fail_hdr_proc_ctx_cache: |
| 5086 | kmem_cache_destroy(ipa3_ctx->hdr_offset_cache); |
| 5087 | fail_hdr_offset_cache: |
| 5088 | kmem_cache_destroy(ipa3_ctx->hdr_cache); |
| 5089 | fail_hdr_cache: |
| 5090 | kmem_cache_destroy(ipa3_ctx->rt_rule_cache); |
| 5091 | fail_rt_rule_cache: |
| 5092 | kmem_cache_destroy(ipa3_ctx->flt_rule_cache); |
| 5093 | fail_flt_rule_cache: |
| 5094 | destroy_workqueue(ipa3_ctx->transport_power_mgmt_wq); |
| 5095 | fail_create_transport_wq: |
| 5096 | destroy_workqueue(ipa3_ctx->power_mgmt_wq); |
| 5097 | fail_init_hw: |
| 5098 | ipahal_destroy(); |
| 5099 | fail_ipahal: |
| 5100 | iounmap(ipa3_ctx->mmio); |
| 5101 | fail_remap: |
| 5102 | ipa3_disable_clks(); |
| 5103 | ipa3_active_clients_log_destroy(); |
| 5104 | fail_init_active_client: |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5105 | if (ipa3_clk) |
| 5106 | clk_put(ipa3_clk); |
| 5107 | ipa3_clk = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5108 | fail_clk: |
| 5109 | msm_bus_scale_unregister_client(ipa3_ctx->ipa_bus_hdl); |
| 5110 | fail_bus_reg: |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5111 | if (ipa3_bus_scale_table) { |
| 5112 | msm_bus_cl_clear_pdata(ipa3_bus_scale_table); |
| 5113 | ipa3_bus_scale_table = NULL; |
| 5114 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5115 | fail_init_mem_partition: |
| 5116 | fail_bind: |
| 5117 | kfree(ipa3_ctx->ctrl); |
| 5118 | fail_mem_ctrl: |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5119 | kfree(ipa3_ctx->ipa_tz_unlock_reg); |
| 5120 | fail_tz_unlock_reg: |
Skylar Chang | 841c145 | 2017-04-03 16:07:22 -0700 | [diff] [blame] | 5121 | if (ipa3_ctx->logbuf) |
| 5122 | ipc_log_context_destroy(ipa3_ctx->logbuf); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5123 | kfree(ipa3_ctx); |
| 5124 | ipa3_ctx = NULL; |
| 5125 | fail_mem_ctx: |
| 5126 | return result; |
| 5127 | } |
| 5128 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5129 | bool ipa_pm_is_used(void) |
| 5130 | { |
| 5131 | return (ipa3_ctx) ? ipa3_ctx->use_ipa_pm : false; |
| 5132 | } |
| 5133 | |
| 5134 | static int get_ipa_dts_pm_info(struct platform_device *pdev, |
| 5135 | struct ipa3_plat_drv_res *ipa_drv_res) |
| 5136 | { |
| 5137 | int result; |
| 5138 | int i, j; |
| 5139 | |
| 5140 | ipa_drv_res->use_ipa_pm = of_property_read_bool(pdev->dev.of_node, |
| 5141 | "qcom,use-ipa-pm"); |
| 5142 | IPADBG("use_ipa_pm=%d\n", ipa_drv_res->use_ipa_pm); |
| 5143 | if (!ipa_drv_res->use_ipa_pm) |
| 5144 | return 0; |
| 5145 | |
| 5146 | result = of_property_read_u32(pdev->dev.of_node, |
| 5147 | "qcom,msm-bus,num-cases", |
| 5148 | &ipa_drv_res->pm_init.threshold_size); |
| 5149 | /* No vote is ignored */ |
| 5150 | ipa_drv_res->pm_init.threshold_size -= 2; |
| 5151 | if (result || ipa_drv_res->pm_init.threshold_size > |
| 5152 | IPA_PM_THRESHOLD_MAX) { |
| 5153 | IPAERR("invalid property qcom,msm-bus,num-cases %d\n", |
| 5154 | ipa_drv_res->pm_init.threshold_size); |
| 5155 | return -EFAULT; |
| 5156 | } |
| 5157 | |
| 5158 | result = of_property_read_u32_array(pdev->dev.of_node, |
| 5159 | "qcom,throughput-threshold", |
| 5160 | ipa_drv_res->pm_init.default_threshold, |
| 5161 | ipa_drv_res->pm_init.threshold_size); |
| 5162 | if (result) { |
| 5163 | IPAERR("failed to read qcom,throughput-thresholds\n"); |
| 5164 | return -EFAULT; |
| 5165 | } |
| 5166 | |
| 5167 | result = of_property_count_strings(pdev->dev.of_node, |
| 5168 | "qcom,scaling-exceptions"); |
| 5169 | if (result < 0) { |
| 5170 | IPADBG("no exception list for ipa pm\n"); |
| 5171 | result = 0; |
| 5172 | } |
| 5173 | |
| 5174 | if (result % (ipa_drv_res->pm_init.threshold_size + 1)) { |
| 5175 | IPAERR("failed to read qcom,scaling-exceptions\n"); |
| 5176 | return -EFAULT; |
| 5177 | } |
| 5178 | |
| 5179 | ipa_drv_res->pm_init.exception_size = result / |
| 5180 | (ipa_drv_res->pm_init.threshold_size + 1); |
| 5181 | if (ipa_drv_res->pm_init.exception_size >= |
| 5182 | IPA_PM_EXCEPTION_MAX) { |
| 5183 | IPAERR("exception list larger then max %d\n", |
| 5184 | ipa_drv_res->pm_init.exception_size); |
| 5185 | return -EFAULT; |
| 5186 | } |
| 5187 | |
| 5188 | for (i = 0; i < ipa_drv_res->pm_init.exception_size; i++) { |
| 5189 | struct ipa_pm_exception *ex = ipa_drv_res->pm_init.exceptions; |
| 5190 | |
| 5191 | result = of_property_read_string_index(pdev->dev.of_node, |
| 5192 | "qcom,scaling-exceptions", |
| 5193 | i * ipa_drv_res->pm_init.threshold_size, |
| 5194 | &ex[i].usecase); |
| 5195 | if (result) { |
| 5196 | IPAERR("failed to read qcom,scaling-exceptions"); |
| 5197 | return -EFAULT; |
| 5198 | } |
| 5199 | |
| 5200 | for (j = 0; j < ipa_drv_res->pm_init.threshold_size; j++) { |
| 5201 | const char *str; |
| 5202 | |
| 5203 | result = of_property_read_string_index( |
| 5204 | pdev->dev.of_node, |
| 5205 | "qcom,scaling-exceptions", |
| 5206 | i * ipa_drv_res->pm_init.threshold_size + j + 1, |
| 5207 | &str); |
| 5208 | if (result) { |
| 5209 | IPAERR("failed to read qcom,scaling-exceptions" |
| 5210 | ); |
| 5211 | return -EFAULT; |
| 5212 | } |
| 5213 | |
| 5214 | if (kstrtou32(str, 0, &ex[i].threshold[j])) { |
| 5215 | IPAERR("error str=%s\n", str); |
| 5216 | return -EFAULT; |
| 5217 | } |
| 5218 | } |
| 5219 | } |
| 5220 | |
| 5221 | return 0; |
| 5222 | } |
| 5223 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5224 | static int get_ipa_dts_configuration(struct platform_device *pdev, |
| 5225 | struct ipa3_plat_drv_res *ipa_drv_res) |
| 5226 | { |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5227 | int i, result, pos; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5228 | struct resource *resource; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5229 | u32 *ipa_tz_unlock_reg; |
| 5230 | int elem_num; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5231 | |
| 5232 | /* initialize ipa3_res */ |
| 5233 | ipa_drv_res->ipa_pipe_mem_start_ofst = IPA_PIPE_MEM_START_OFST; |
| 5234 | ipa_drv_res->ipa_pipe_mem_size = IPA_PIPE_MEM_SIZE; |
| 5235 | ipa_drv_res->ipa_hw_type = 0; |
| 5236 | ipa_drv_res->ipa3_hw_mode = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5237 | ipa_drv_res->modem_cfg_emb_pipe_flt = false; |
| 5238 | ipa_drv_res->ipa_wdi2 = false; |
| 5239 | ipa_drv_res->use_64_bit_dma_mask = false; |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5240 | ipa_drv_res->use_bw_vote = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5241 | ipa_drv_res->wan_rx_ring_size = IPA_GENERIC_RX_POOL_SZ; |
| 5242 | ipa_drv_res->lan_rx_ring_size = IPA_GENERIC_RX_POOL_SZ; |
| 5243 | ipa_drv_res->apply_rg10_wa = false; |
| 5244 | ipa_drv_res->gsi_ch20_wa = false; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5245 | ipa_drv_res->ipa_tz_unlock_reg_num = 0; |
| 5246 | ipa_drv_res->ipa_tz_unlock_reg = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5247 | |
| 5248 | /* Get IPA HW Version */ |
| 5249 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ipa-hw-ver", |
| 5250 | &ipa_drv_res->ipa_hw_type); |
| 5251 | if ((result) || (ipa_drv_res->ipa_hw_type == 0)) { |
| 5252 | IPAERR(":get resource failed for ipa-hw-ver!\n"); |
| 5253 | return -ENODEV; |
| 5254 | } |
| 5255 | IPADBG(": ipa_hw_type = %d", ipa_drv_res->ipa_hw_type); |
| 5256 | |
| 5257 | if (ipa_drv_res->ipa_hw_type < IPA_HW_v3_0) { |
| 5258 | IPAERR(":IPA version below 3.0 not supported!\n"); |
| 5259 | return -ENODEV; |
| 5260 | } |
| 5261 | |
| 5262 | /* Get IPA HW mode */ |
| 5263 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ipa-hw-mode", |
| 5264 | &ipa_drv_res->ipa3_hw_mode); |
| 5265 | if (result) |
| 5266 | IPADBG("using default (IPA_MODE_NORMAL) for ipa-hw-mode\n"); |
| 5267 | else |
| 5268 | IPADBG(": found ipa_drv_res->ipa3_hw_mode = %d", |
| 5269 | ipa_drv_res->ipa3_hw_mode); |
| 5270 | |
| 5271 | /* Get IPA WAN / LAN RX pool size */ |
| 5272 | result = of_property_read_u32(pdev->dev.of_node, |
| 5273 | "qcom,wan-rx-ring-size", |
| 5274 | &ipa_drv_res->wan_rx_ring_size); |
| 5275 | if (result) |
| 5276 | IPADBG("using default for wan-rx-ring-size = %u\n", |
| 5277 | ipa_drv_res->wan_rx_ring_size); |
| 5278 | else |
| 5279 | IPADBG(": found ipa_drv_res->wan-rx-ring-size = %u", |
| 5280 | ipa_drv_res->wan_rx_ring_size); |
| 5281 | |
| 5282 | result = of_property_read_u32(pdev->dev.of_node, |
| 5283 | "qcom,lan-rx-ring-size", |
| 5284 | &ipa_drv_res->lan_rx_ring_size); |
| 5285 | if (result) |
| 5286 | IPADBG("using default for lan-rx-ring-size = %u\n", |
| 5287 | ipa_drv_res->lan_rx_ring_size); |
| 5288 | else |
| 5289 | IPADBG(": found ipa_drv_res->lan-rx-ring-size = %u", |
| 5290 | ipa_drv_res->lan_rx_ring_size); |
| 5291 | |
| 5292 | ipa_drv_res->use_ipa_teth_bridge = |
| 5293 | of_property_read_bool(pdev->dev.of_node, |
| 5294 | "qcom,use-ipa-tethering-bridge"); |
| 5295 | IPADBG(": using TBDr = %s", |
| 5296 | ipa_drv_res->use_ipa_teth_bridge |
| 5297 | ? "True" : "False"); |
| 5298 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5299 | ipa_drv_res->modem_cfg_emb_pipe_flt = |
| 5300 | of_property_read_bool(pdev->dev.of_node, |
| 5301 | "qcom,modem-cfg-emb-pipe-flt"); |
| 5302 | IPADBG(": modem configure embedded pipe filtering = %s\n", |
| 5303 | ipa_drv_res->modem_cfg_emb_pipe_flt |
| 5304 | ? "True" : "False"); |
| 5305 | |
| 5306 | ipa_drv_res->ipa_wdi2 = |
| 5307 | of_property_read_bool(pdev->dev.of_node, |
| 5308 | "qcom,ipa-wdi2"); |
| 5309 | IPADBG(": WDI-2.0 = %s\n", |
| 5310 | ipa_drv_res->ipa_wdi2 |
| 5311 | ? "True" : "False"); |
| 5312 | |
| 5313 | ipa_drv_res->use_64_bit_dma_mask = |
| 5314 | of_property_read_bool(pdev->dev.of_node, |
| 5315 | "qcom,use-64-bit-dma-mask"); |
| 5316 | IPADBG(": use_64_bit_dma_mask = %s\n", |
| 5317 | ipa_drv_res->use_64_bit_dma_mask |
| 5318 | ? "True" : "False"); |
| 5319 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5320 | ipa_drv_res->use_bw_vote = |
| 5321 | of_property_read_bool(pdev->dev.of_node, |
| 5322 | "qcom,bandwidth-vote-for-ipa"); |
| 5323 | IPADBG(": use_bw_vote = %s\n", |
| 5324 | ipa_drv_res->use_bw_vote |
| 5325 | ? "True" : "False"); |
| 5326 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5327 | ipa_drv_res->skip_uc_pipe_reset = |
| 5328 | of_property_read_bool(pdev->dev.of_node, |
| 5329 | "qcom,skip-uc-pipe-reset"); |
| 5330 | IPADBG(": skip uC pipe reset = %s\n", |
| 5331 | ipa_drv_res->skip_uc_pipe_reset |
| 5332 | ? "True" : "False"); |
| 5333 | |
| 5334 | ipa_drv_res->tethered_flow_control = |
| 5335 | of_property_read_bool(pdev->dev.of_node, |
| 5336 | "qcom,tethered-flow-control"); |
| 5337 | IPADBG(": Use apps based flow control = %s\n", |
| 5338 | ipa_drv_res->tethered_flow_control |
| 5339 | ? "True" : "False"); |
| 5340 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5341 | /* Get IPA wrapper address */ |
| 5342 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 5343 | "ipa-base"); |
| 5344 | if (!resource) { |
| 5345 | IPAERR(":get resource failed for ipa-base!\n"); |
| 5346 | return -ENODEV; |
| 5347 | } |
| 5348 | ipa_drv_res->ipa_mem_base = resource->start; |
| 5349 | ipa_drv_res->ipa_mem_size = resource_size(resource); |
| 5350 | IPADBG(": ipa-base = 0x%x, size = 0x%x\n", |
| 5351 | ipa_drv_res->ipa_mem_base, |
| 5352 | ipa_drv_res->ipa_mem_size); |
| 5353 | |
| 5354 | smmu_info.ipa_base = ipa_drv_res->ipa_mem_base; |
| 5355 | smmu_info.ipa_size = ipa_drv_res->ipa_mem_size; |
| 5356 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5357 | /* Get IPA GSI address */ |
| 5358 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 5359 | "gsi-base"); |
| 5360 | if (!resource) { |
| 5361 | IPAERR(":get resource failed for gsi-base!\n"); |
| 5362 | return -ENODEV; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5363 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5364 | ipa_drv_res->transport_mem_base = resource->start; |
| 5365 | ipa_drv_res->transport_mem_size = resource_size(resource); |
| 5366 | IPADBG(": gsi-base = 0x%x, size = 0x%x\n", |
| 5367 | ipa_drv_res->transport_mem_base, |
| 5368 | ipa_drv_res->transport_mem_size); |
| 5369 | |
| 5370 | /* Get IPA GSI IRQ number */ |
| 5371 | resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 5372 | "gsi-irq"); |
| 5373 | if (!resource) { |
| 5374 | IPAERR(":get resource failed for gsi-irq!\n"); |
| 5375 | return -ENODEV; |
| 5376 | } |
| 5377 | ipa_drv_res->transport_irq = resource->start; |
| 5378 | IPADBG(": gsi-irq = %d\n", ipa_drv_res->transport_irq); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5379 | |
| 5380 | /* Get IPA pipe mem start ofst */ |
| 5381 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 5382 | "ipa-pipe-mem"); |
| 5383 | if (!resource) { |
| 5384 | IPADBG(":not using pipe memory - resource nonexisting\n"); |
| 5385 | } else { |
| 5386 | ipa_drv_res->ipa_pipe_mem_start_ofst = resource->start; |
| 5387 | ipa_drv_res->ipa_pipe_mem_size = resource_size(resource); |
| 5388 | IPADBG(":using pipe memory - at 0x%x of size 0x%x\n", |
| 5389 | ipa_drv_res->ipa_pipe_mem_start_ofst, |
| 5390 | ipa_drv_res->ipa_pipe_mem_size); |
| 5391 | } |
| 5392 | |
| 5393 | /* Get IPA IRQ number */ |
| 5394 | resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 5395 | "ipa-irq"); |
| 5396 | if (!resource) { |
| 5397 | IPAERR(":get resource failed for ipa-irq!\n"); |
| 5398 | return -ENODEV; |
| 5399 | } |
| 5400 | ipa_drv_res->ipa_irq = resource->start; |
| 5401 | IPADBG(":ipa-irq = %d\n", ipa_drv_res->ipa_irq); |
| 5402 | |
| 5403 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ee", |
| 5404 | &ipa_drv_res->ee); |
| 5405 | if (result) |
| 5406 | ipa_drv_res->ee = 0; |
| 5407 | |
| 5408 | ipa_drv_res->apply_rg10_wa = |
| 5409 | of_property_read_bool(pdev->dev.of_node, |
| 5410 | "qcom,use-rg10-limitation-mitigation"); |
| 5411 | IPADBG(": Use Register Group 10 limitation mitigation = %s\n", |
| 5412 | ipa_drv_res->apply_rg10_wa |
| 5413 | ? "True" : "False"); |
| 5414 | |
| 5415 | ipa_drv_res->gsi_ch20_wa = |
| 5416 | of_property_read_bool(pdev->dev.of_node, |
| 5417 | "qcom,do-not-use-ch-gsi-20"); |
| 5418 | IPADBG(": GSI CH 20 WA is = %s\n", |
| 5419 | ipa_drv_res->apply_rg10_wa |
| 5420 | ? "Needed" : "Not needed"); |
| 5421 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5422 | elem_num = of_property_count_elems_of_size(pdev->dev.of_node, |
| 5423 | "qcom,ipa-tz-unlock-reg", sizeof(u32)); |
| 5424 | |
| 5425 | if (elem_num > 0 && elem_num % 2 == 0) { |
| 5426 | ipa_drv_res->ipa_tz_unlock_reg_num = elem_num / 2; |
| 5427 | |
| 5428 | ipa_tz_unlock_reg = kcalloc(elem_num, sizeof(u32), GFP_KERNEL); |
| 5429 | if (ipa_tz_unlock_reg == NULL) |
| 5430 | return -ENOMEM; |
| 5431 | |
| 5432 | ipa_drv_res->ipa_tz_unlock_reg = kcalloc( |
| 5433 | ipa_drv_res->ipa_tz_unlock_reg_num, |
| 5434 | sizeof(*ipa_drv_res->ipa_tz_unlock_reg), |
| 5435 | GFP_KERNEL); |
| 5436 | if (ipa_drv_res->ipa_tz_unlock_reg == NULL) { |
| 5437 | kfree(ipa_tz_unlock_reg); |
| 5438 | return -ENOMEM; |
| 5439 | } |
| 5440 | |
| 5441 | if (of_property_read_u32_array(pdev->dev.of_node, |
| 5442 | "qcom,ipa-tz-unlock-reg", ipa_tz_unlock_reg, |
| 5443 | elem_num)) { |
| 5444 | IPAERR("failed to read register addresses\n"); |
| 5445 | kfree(ipa_tz_unlock_reg); |
| 5446 | kfree(ipa_drv_res->ipa_tz_unlock_reg); |
| 5447 | return -EFAULT; |
| 5448 | } |
| 5449 | |
| 5450 | pos = 0; |
| 5451 | for (i = 0; i < ipa_drv_res->ipa_tz_unlock_reg_num; i++) { |
| 5452 | ipa_drv_res->ipa_tz_unlock_reg[i].reg_addr = |
| 5453 | ipa_tz_unlock_reg[pos++]; |
| 5454 | ipa_drv_res->ipa_tz_unlock_reg[i].size = |
| 5455 | ipa_tz_unlock_reg[pos++]; |
| 5456 | IPADBG("tz unlock reg %d: addr 0x%pa size %d\n", i, |
| 5457 | &ipa_drv_res->ipa_tz_unlock_reg[i].reg_addr, |
| 5458 | ipa_drv_res->ipa_tz_unlock_reg[i].size); |
| 5459 | } |
| 5460 | kfree(ipa_tz_unlock_reg); |
| 5461 | } |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5462 | |
| 5463 | /* get IPA PM related information */ |
| 5464 | result = get_ipa_dts_pm_info(pdev, ipa_drv_res); |
| 5465 | if (result) { |
| 5466 | IPAERR("failed to get pm info from dts %d\n", result); |
| 5467 | return result; |
| 5468 | } |
| 5469 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5470 | return 0; |
| 5471 | } |
| 5472 | |
| 5473 | static int ipa_smmu_wlan_cb_probe(struct device *dev) |
| 5474 | { |
| 5475 | struct ipa_smmu_cb_ctx *cb = ipa3_get_wlan_smmu_ctx(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5476 | int atomic_ctx = 1; |
| 5477 | int fast = 1; |
| 5478 | int bypass = 1; |
| 5479 | int ret; |
| 5480 | u32 add_map_size; |
| 5481 | const u32 *add_map; |
| 5482 | int i; |
| 5483 | |
| 5484 | IPADBG("sub pdev=%p\n", dev); |
| 5485 | |
| 5486 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5487 | cb->iommu = iommu_domain_alloc(dev->bus); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5488 | if (!cb->iommu) { |
| 5489 | IPAERR("could not alloc iommu domain\n"); |
| 5490 | /* assume this failure is because iommu driver is not ready */ |
| 5491 | return -EPROBE_DEFER; |
| 5492 | } |
| 5493 | cb->valid = true; |
| 5494 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5495 | if (of_property_read_bool(dev->of_node, "qcom,smmu-s1-bypass")) { |
| 5496 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_WLAN] = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5497 | if (iommu_domain_set_attr(cb->iommu, |
| 5498 | DOMAIN_ATTR_S1_BYPASS, |
| 5499 | &bypass)) { |
| 5500 | IPAERR("couldn't set bypass\n"); |
| 5501 | cb->valid = false; |
| 5502 | return -EIO; |
| 5503 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5504 | IPADBG("WLAN SMMU S1 BYPASS\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5505 | } else { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5506 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_WLAN] = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5507 | if (iommu_domain_set_attr(cb->iommu, |
| 5508 | DOMAIN_ATTR_ATOMIC, |
| 5509 | &atomic_ctx)) { |
| 5510 | IPAERR("couldn't disable coherent HTW\n"); |
| 5511 | cb->valid = false; |
| 5512 | return -EIO; |
| 5513 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5514 | IPADBG(" WLAN SMMU ATTR ATOMIC\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5515 | |
| 5516 | if (smmu_info.fast_map) { |
| 5517 | if (iommu_domain_set_attr(cb->iommu, |
| 5518 | DOMAIN_ATTR_FAST, |
| 5519 | &fast)) { |
| 5520 | IPAERR("couldn't set fast map\n"); |
| 5521 | cb->valid = false; |
| 5522 | return -EIO; |
| 5523 | } |
| 5524 | IPADBG("SMMU fast map set\n"); |
| 5525 | } |
| 5526 | } |
| 5527 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5528 | pr_info("IPA smmu_info.s1_bypass_arr[WLAN]=%d smmu_info.fast_map=%d\n", |
| 5529 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_WLAN], smmu_info.fast_map); |
| 5530 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5531 | ret = iommu_attach_device(cb->iommu, dev); |
| 5532 | if (ret) { |
| 5533 | IPAERR("could not attach device ret=%d\n", ret); |
| 5534 | cb->valid = false; |
| 5535 | return ret; |
| 5536 | } |
| 5537 | /* MAP ipa-uc ram */ |
| 5538 | add_map = of_get_property(dev->of_node, |
| 5539 | "qcom,additional-mapping", &add_map_size); |
| 5540 | if (add_map) { |
| 5541 | /* mapping size is an array of 3-tuple of u32 */ |
| 5542 | if (add_map_size % (3 * sizeof(u32))) { |
| 5543 | IPAERR("wrong additional mapping format\n"); |
| 5544 | cb->valid = false; |
| 5545 | return -EFAULT; |
| 5546 | } |
| 5547 | |
| 5548 | /* iterate of each entry of the additional mapping array */ |
| 5549 | for (i = 0; i < add_map_size / sizeof(u32); i += 3) { |
| 5550 | u32 iova = be32_to_cpu(add_map[i]); |
| 5551 | u32 pa = be32_to_cpu(add_map[i + 1]); |
| 5552 | u32 size = be32_to_cpu(add_map[i + 2]); |
| 5553 | unsigned long iova_p; |
| 5554 | phys_addr_t pa_p; |
| 5555 | u32 size_p; |
| 5556 | |
| 5557 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, |
| 5558 | iova_p, pa_p, size_p); |
| 5559 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 5560 | iova_p, &pa_p, size_p); |
| 5561 | ipa3_iommu_map(cb->iommu, |
| 5562 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5563 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5564 | } |
| 5565 | } |
| 5566 | return 0; |
| 5567 | } |
| 5568 | |
| 5569 | static int ipa_smmu_uc_cb_probe(struct device *dev) |
| 5570 | { |
| 5571 | struct ipa_smmu_cb_ctx *cb = ipa3_get_uc_smmu_ctx(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5572 | int atomic_ctx = 1; |
| 5573 | int bypass = 1; |
| 5574 | int fast = 1; |
| 5575 | int ret; |
| 5576 | u32 iova_ap_mapping[2]; |
| 5577 | |
| 5578 | IPADBG("UC CB PROBE sub pdev=%p\n", dev); |
| 5579 | |
| 5580 | ret = of_property_read_u32_array(dev->of_node, "qcom,iova-mapping", |
| 5581 | iova_ap_mapping, 2); |
| 5582 | if (ret) { |
| 5583 | IPAERR("Fail to read UC start/size iova addresses\n"); |
| 5584 | return ret; |
| 5585 | } |
| 5586 | cb->va_start = iova_ap_mapping[0]; |
| 5587 | cb->va_size = iova_ap_mapping[1]; |
| 5588 | cb->va_end = cb->va_start + cb->va_size; |
| 5589 | IPADBG("UC va_start=0x%x va_sise=0x%x\n", cb->va_start, cb->va_size); |
| 5590 | |
| 5591 | if (smmu_info.use_64_bit_dma_mask) { |
| 5592 | if (dma_set_mask(dev, DMA_BIT_MASK(64)) || |
| 5593 | dma_set_coherent_mask(dev, DMA_BIT_MASK(64))) { |
| 5594 | IPAERR("DMA set 64bit mask failed\n"); |
| 5595 | return -EOPNOTSUPP; |
| 5596 | } |
| 5597 | } else { |
| 5598 | if (dma_set_mask(dev, DMA_BIT_MASK(32)) || |
| 5599 | dma_set_coherent_mask(dev, DMA_BIT_MASK(32))) { |
| 5600 | IPAERR("DMA set 32bit mask failed\n"); |
| 5601 | return -EOPNOTSUPP; |
| 5602 | } |
| 5603 | } |
| 5604 | IPADBG("UC CB PROBE=%p create IOMMU mapping\n", dev); |
| 5605 | |
| 5606 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5607 | cb->mapping = arm_iommu_create_mapping(dev->bus, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5608 | cb->va_start, cb->va_size); |
| 5609 | if (IS_ERR_OR_NULL(cb->mapping)) { |
| 5610 | IPADBG("Fail to create mapping\n"); |
| 5611 | /* assume this failure is because iommu driver is not ready */ |
| 5612 | return -EPROBE_DEFER; |
| 5613 | } |
| 5614 | IPADBG("SMMU mapping created\n"); |
| 5615 | cb->valid = true; |
| 5616 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5617 | IPADBG("UC CB PROBE sub pdev=%p set attribute\n", dev); |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5618 | |
| 5619 | if (of_property_read_bool(dev->of_node, "qcom,smmu-s1-bypass")) { |
| 5620 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_UC] = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5621 | if (iommu_domain_set_attr(cb->mapping->domain, |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5622 | DOMAIN_ATTR_S1_BYPASS, |
| 5623 | &bypass)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5624 | IPAERR("couldn't set bypass\n"); |
| 5625 | arm_iommu_release_mapping(cb->mapping); |
| 5626 | cb->valid = false; |
| 5627 | return -EIO; |
| 5628 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5629 | IPADBG("UC SMMU S1 BYPASS\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5630 | } else { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5631 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_UC] = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5632 | if (iommu_domain_set_attr(cb->mapping->domain, |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5633 | DOMAIN_ATTR_ATOMIC, |
| 5634 | &atomic_ctx)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5635 | IPAERR("couldn't set domain as atomic\n"); |
| 5636 | arm_iommu_release_mapping(cb->mapping); |
| 5637 | cb->valid = false; |
| 5638 | return -EIO; |
| 5639 | } |
| 5640 | IPADBG("SMMU atomic set\n"); |
| 5641 | |
| 5642 | if (smmu_info.fast_map) { |
| 5643 | if (iommu_domain_set_attr(cb->mapping->domain, |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5644 | DOMAIN_ATTR_FAST, |
| 5645 | &fast)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5646 | IPAERR("couldn't set fast map\n"); |
| 5647 | arm_iommu_release_mapping(cb->mapping); |
| 5648 | cb->valid = false; |
| 5649 | return -EIO; |
| 5650 | } |
| 5651 | IPADBG("SMMU fast map set\n"); |
| 5652 | } |
| 5653 | } |
| 5654 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5655 | pr_info("IPA smmu_info.s1_bypass_arr[UC]=%d smmu_info.fast_map=%d\n", |
| 5656 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_UC], smmu_info.fast_map); |
| 5657 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5658 | IPADBG("UC CB PROBE sub pdev=%p attaching IOMMU device\n", dev); |
| 5659 | ret = arm_iommu_attach_device(cb->dev, cb->mapping); |
| 5660 | if (ret) { |
| 5661 | IPAERR("could not attach device ret=%d\n", ret); |
| 5662 | arm_iommu_release_mapping(cb->mapping); |
| 5663 | cb->valid = false; |
| 5664 | return ret; |
| 5665 | } |
| 5666 | |
| 5667 | cb->next_addr = cb->va_end; |
| 5668 | ipa3_ctx->uc_pdev = dev; |
| 5669 | |
| 5670 | return 0; |
| 5671 | } |
| 5672 | |
| 5673 | static int ipa_smmu_ap_cb_probe(struct device *dev) |
| 5674 | { |
| 5675 | struct ipa_smmu_cb_ctx *cb = ipa3_get_smmu_ctx(); |
| 5676 | int result; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5677 | int atomic_ctx = 1; |
| 5678 | int fast = 1; |
| 5679 | int bypass = 1; |
| 5680 | u32 iova_ap_mapping[2]; |
| 5681 | u32 add_map_size; |
| 5682 | const u32 *add_map; |
| 5683 | void *smem_addr; |
| 5684 | int i; |
| 5685 | |
| 5686 | IPADBG("AP CB probe: sub pdev=%p\n", dev); |
| 5687 | |
| 5688 | result = of_property_read_u32_array(dev->of_node, "qcom,iova-mapping", |
| 5689 | iova_ap_mapping, 2); |
| 5690 | if (result) { |
| 5691 | IPAERR("Fail to read AP start/size iova addresses\n"); |
| 5692 | return result; |
| 5693 | } |
| 5694 | cb->va_start = iova_ap_mapping[0]; |
| 5695 | cb->va_size = iova_ap_mapping[1]; |
| 5696 | cb->va_end = cb->va_start + cb->va_size; |
| 5697 | IPADBG("AP va_start=0x%x va_sise=0x%x\n", cb->va_start, cb->va_size); |
| 5698 | |
| 5699 | if (smmu_info.use_64_bit_dma_mask) { |
| 5700 | if (dma_set_mask(dev, DMA_BIT_MASK(64)) || |
| 5701 | dma_set_coherent_mask(dev, DMA_BIT_MASK(64))) { |
| 5702 | IPAERR("DMA set 64bit mask failed\n"); |
| 5703 | return -EOPNOTSUPP; |
| 5704 | } |
| 5705 | } else { |
| 5706 | if (dma_set_mask(dev, DMA_BIT_MASK(32)) || |
| 5707 | dma_set_coherent_mask(dev, DMA_BIT_MASK(32))) { |
| 5708 | IPAERR("DMA set 32bit mask failed\n"); |
| 5709 | return -EOPNOTSUPP; |
| 5710 | } |
| 5711 | } |
| 5712 | |
| 5713 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5714 | cb->mapping = arm_iommu_create_mapping(dev->bus, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5715 | cb->va_start, cb->va_size); |
| 5716 | if (IS_ERR_OR_NULL(cb->mapping)) { |
| 5717 | IPADBG("Fail to create mapping\n"); |
| 5718 | /* assume this failure is because iommu driver is not ready */ |
| 5719 | return -EPROBE_DEFER; |
| 5720 | } |
| 5721 | IPADBG("SMMU mapping created\n"); |
| 5722 | cb->valid = true; |
| 5723 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5724 | if (of_property_read_bool(dev->of_node, |
| 5725 | "qcom,smmu-s1-bypass")) { |
| 5726 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_AP] = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5727 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 5728 | DOMAIN_ATTR_S1_BYPASS, |
| 5729 | &bypass)) { |
| 5730 | IPAERR("couldn't set bypass\n"); |
| 5731 | arm_iommu_release_mapping(cb->mapping); |
| 5732 | cb->valid = false; |
| 5733 | return -EIO; |
| 5734 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5735 | IPADBG("AP/USB SMMU S1 BYPASS\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5736 | } else { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5737 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_AP] = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5738 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 5739 | DOMAIN_ATTR_ATOMIC, |
| 5740 | &atomic_ctx)) { |
| 5741 | IPAERR("couldn't set domain as atomic\n"); |
| 5742 | arm_iommu_release_mapping(cb->mapping); |
| 5743 | cb->valid = false; |
| 5744 | return -EIO; |
| 5745 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5746 | IPADBG("AP/USB SMMU atomic set\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5747 | |
| 5748 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 5749 | DOMAIN_ATTR_FAST, |
| 5750 | &fast)) { |
| 5751 | IPAERR("couldn't set fast map\n"); |
| 5752 | arm_iommu_release_mapping(cb->mapping); |
| 5753 | cb->valid = false; |
| 5754 | return -EIO; |
| 5755 | } |
| 5756 | IPADBG("SMMU fast map set\n"); |
| 5757 | } |
| 5758 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5759 | pr_info("IPA smmu_info.s1_bypass_arr[AP]=%d smmu_info.fast_map=%d\n", |
| 5760 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_AP], smmu_info.fast_map); |
| 5761 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5762 | result = arm_iommu_attach_device(cb->dev, cb->mapping); |
| 5763 | if (result) { |
| 5764 | IPAERR("couldn't attach to IOMMU ret=%d\n", result); |
| 5765 | cb->valid = false; |
| 5766 | return result; |
| 5767 | } |
| 5768 | |
| 5769 | add_map = of_get_property(dev->of_node, |
| 5770 | "qcom,additional-mapping", &add_map_size); |
| 5771 | if (add_map) { |
| 5772 | /* mapping size is an array of 3-tuple of u32 */ |
| 5773 | if (add_map_size % (3 * sizeof(u32))) { |
| 5774 | IPAERR("wrong additional mapping format\n"); |
| 5775 | cb->valid = false; |
| 5776 | return -EFAULT; |
| 5777 | } |
| 5778 | |
| 5779 | /* iterate of each entry of the additional mapping array */ |
| 5780 | for (i = 0; i < add_map_size / sizeof(u32); i += 3) { |
| 5781 | u32 iova = be32_to_cpu(add_map[i]); |
| 5782 | u32 pa = be32_to_cpu(add_map[i + 1]); |
| 5783 | u32 size = be32_to_cpu(add_map[i + 2]); |
| 5784 | unsigned long iova_p; |
| 5785 | phys_addr_t pa_p; |
| 5786 | u32 size_p; |
| 5787 | |
| 5788 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, |
| 5789 | iova_p, pa_p, size_p); |
| 5790 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 5791 | iova_p, &pa_p, size_p); |
| 5792 | ipa3_iommu_map(cb->mapping->domain, |
| 5793 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5794 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5795 | } |
| 5796 | } |
| 5797 | |
| 5798 | /* map SMEM memory for IPA table accesses */ |
| 5799 | smem_addr = smem_alloc(SMEM_IPA_FILTER_TABLE, IPA_SMEM_SIZE, |
| 5800 | SMEM_MODEM, 0); |
| 5801 | if (smem_addr) { |
| 5802 | phys_addr_t iova = smem_virt_to_phys(smem_addr); |
| 5803 | phys_addr_t pa = iova; |
| 5804 | unsigned long iova_p; |
| 5805 | phys_addr_t pa_p; |
| 5806 | u32 size_p; |
| 5807 | |
| 5808 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, IPA_SMEM_SIZE, |
| 5809 | iova_p, pa_p, size_p); |
| 5810 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 5811 | iova_p, &pa_p, size_p); |
| 5812 | ipa3_iommu_map(cb->mapping->domain, |
| 5813 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5814 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5815 | } |
| 5816 | |
| 5817 | |
| 5818 | smmu_info.present = true; |
| 5819 | |
| 5820 | if (!ipa3_bus_scale_table) |
| 5821 | ipa3_bus_scale_table = msm_bus_cl_get_pdata(ipa3_pdev); |
| 5822 | |
| 5823 | /* Proceed to real initialization */ |
| 5824 | result = ipa3_pre_init(&ipa3_res, dev); |
| 5825 | if (result) { |
| 5826 | IPAERR("ipa_init failed\n"); |
| 5827 | arm_iommu_detach_device(cb->dev); |
| 5828 | arm_iommu_release_mapping(cb->mapping); |
| 5829 | cb->valid = false; |
| 5830 | return result; |
| 5831 | } |
| 5832 | |
| 5833 | return result; |
| 5834 | } |
| 5835 | |
| 5836 | static irqreturn_t ipa3_smp2p_modem_clk_query_isr(int irq, void *ctxt) |
| 5837 | { |
| 5838 | ipa3_freeze_clock_vote_and_notify_modem(); |
| 5839 | |
| 5840 | return IRQ_HANDLED; |
| 5841 | } |
| 5842 | |
| 5843 | static int ipa3_smp2p_probe(struct device *dev) |
| 5844 | { |
| 5845 | struct device_node *node = dev->of_node; |
| 5846 | int res; |
| 5847 | |
Mohammed Javid | 7de1270 | 2017-07-21 15:22:58 +0530 | [diff] [blame] | 5848 | if (ipa3_ctx == NULL) { |
| 5849 | IPAERR("ipa3_ctx was not initialized\n"); |
| 5850 | return -ENXIO; |
| 5851 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5852 | IPADBG("node->name=%s\n", node->name); |
| 5853 | if (strcmp("qcom,smp2pgpio_map_ipa_1_out", node->name) == 0) { |
| 5854 | res = of_get_gpio(node, 0); |
| 5855 | if (res < 0) { |
| 5856 | IPADBG("of_get_gpio returned %d\n", res); |
| 5857 | return res; |
| 5858 | } |
| 5859 | |
| 5860 | ipa3_ctx->smp2p_info.out_base_id = res; |
| 5861 | IPADBG("smp2p out_base_id=%d\n", |
| 5862 | ipa3_ctx->smp2p_info.out_base_id); |
| 5863 | } else if (strcmp("qcom,smp2pgpio_map_ipa_1_in", node->name) == 0) { |
| 5864 | int irq; |
| 5865 | |
| 5866 | res = of_get_gpio(node, 0); |
| 5867 | if (res < 0) { |
| 5868 | IPADBG("of_get_gpio returned %d\n", res); |
| 5869 | return res; |
| 5870 | } |
| 5871 | |
| 5872 | ipa3_ctx->smp2p_info.in_base_id = res; |
| 5873 | IPADBG("smp2p in_base_id=%d\n", |
| 5874 | ipa3_ctx->smp2p_info.in_base_id); |
| 5875 | |
| 5876 | /* register for modem clk query */ |
| 5877 | irq = gpio_to_irq(ipa3_ctx->smp2p_info.in_base_id + |
| 5878 | IPA_GPIO_IN_QUERY_CLK_IDX); |
| 5879 | if (irq < 0) { |
| 5880 | IPAERR("gpio_to_irq failed %d\n", irq); |
| 5881 | return -ENODEV; |
| 5882 | } |
| 5883 | IPADBG("smp2p irq#=%d\n", irq); |
| 5884 | res = request_irq(irq, |
| 5885 | (irq_handler_t)ipa3_smp2p_modem_clk_query_isr, |
| 5886 | IRQF_TRIGGER_RISING, "ipa_smp2p_clk_vote", dev); |
| 5887 | if (res) { |
| 5888 | IPAERR("fail to register smp2p irq=%d\n", irq); |
| 5889 | return -ENODEV; |
| 5890 | } |
| 5891 | res = enable_irq_wake(ipa3_ctx->smp2p_info.in_base_id + |
| 5892 | IPA_GPIO_IN_QUERY_CLK_IDX); |
| 5893 | if (res) |
| 5894 | IPAERR("failed to enable irq wake\n"); |
| 5895 | } |
| 5896 | |
| 5897 | return 0; |
| 5898 | } |
| 5899 | |
| 5900 | int ipa3_plat_drv_probe(struct platform_device *pdev_p, |
| 5901 | struct ipa_api_controller *api_ctrl, |
| 5902 | const struct of_device_id *pdrv_match) |
| 5903 | { |
| 5904 | int result; |
| 5905 | struct device *dev = &pdev_p->dev; |
| 5906 | |
| 5907 | IPADBG("IPA driver probing started\n"); |
| 5908 | IPADBG("dev->of_node->name = %s\n", dev->of_node->name); |
| 5909 | |
| 5910 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-ap-cb")) |
| 5911 | return ipa_smmu_ap_cb_probe(dev); |
| 5912 | |
| 5913 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-wlan-cb")) |
| 5914 | return ipa_smmu_wlan_cb_probe(dev); |
| 5915 | |
| 5916 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-uc-cb")) |
| 5917 | return ipa_smmu_uc_cb_probe(dev); |
| 5918 | |
| 5919 | if (of_device_is_compatible(dev->of_node, |
| 5920 | "qcom,smp2pgpio-map-ipa-1-in")) |
| 5921 | return ipa3_smp2p_probe(dev); |
| 5922 | |
| 5923 | if (of_device_is_compatible(dev->of_node, |
| 5924 | "qcom,smp2pgpio-map-ipa-1-out")) |
| 5925 | return ipa3_smp2p_probe(dev); |
| 5926 | |
| 5927 | master_dev = dev; |
| 5928 | if (!ipa3_pdev) |
| 5929 | ipa3_pdev = pdev_p; |
| 5930 | |
| 5931 | result = get_ipa_dts_configuration(pdev_p, &ipa3_res); |
| 5932 | if (result) { |
| 5933 | IPAERR("IPA dts parsing failed\n"); |
| 5934 | return result; |
| 5935 | } |
| 5936 | |
| 5937 | result = ipa3_bind_api_controller(ipa3_res.ipa_hw_type, api_ctrl); |
| 5938 | if (result) { |
| 5939 | IPAERR("IPA API binding failed\n"); |
| 5940 | return result; |
| 5941 | } |
| 5942 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5943 | if (of_property_read_bool(pdev_p->dev.of_node, "qcom,arm-smmu")) { |
| 5944 | if (of_property_read_bool(pdev_p->dev.of_node, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5945 | "qcom,smmu-fast-map")) |
| 5946 | smmu_info.fast_map = true; |
| 5947 | if (of_property_read_bool(pdev_p->dev.of_node, |
| 5948 | "qcom,use-64-bit-dma-mask")) |
| 5949 | smmu_info.use_64_bit_dma_mask = true; |
| 5950 | smmu_info.arm_smmu = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5951 | } else if (of_property_read_bool(pdev_p->dev.of_node, |
| 5952 | "qcom,msm-smmu")) { |
| 5953 | IPAERR("Legacy IOMMU not supported\n"); |
| 5954 | result = -EOPNOTSUPP; |
| 5955 | } else { |
| 5956 | if (of_property_read_bool(pdev_p->dev.of_node, |
| 5957 | "qcom,use-64-bit-dma-mask")) { |
| 5958 | if (dma_set_mask(&pdev_p->dev, DMA_BIT_MASK(64)) || |
| 5959 | dma_set_coherent_mask(&pdev_p->dev, |
| 5960 | DMA_BIT_MASK(64))) { |
| 5961 | IPAERR("DMA set 64bit mask failed\n"); |
| 5962 | return -EOPNOTSUPP; |
| 5963 | } |
| 5964 | } else { |
| 5965 | if (dma_set_mask(&pdev_p->dev, DMA_BIT_MASK(32)) || |
| 5966 | dma_set_coherent_mask(&pdev_p->dev, |
| 5967 | DMA_BIT_MASK(32))) { |
| 5968 | IPAERR("DMA set 32bit mask failed\n"); |
| 5969 | return -EOPNOTSUPP; |
| 5970 | } |
| 5971 | } |
| 5972 | |
| 5973 | if (!ipa3_bus_scale_table) |
| 5974 | ipa3_bus_scale_table = msm_bus_cl_get_pdata(pdev_p); |
| 5975 | /* Proceed to real initialization */ |
| 5976 | result = ipa3_pre_init(&ipa3_res, dev); |
| 5977 | if (result) { |
| 5978 | IPAERR("ipa3_init failed\n"); |
| 5979 | return result; |
| 5980 | } |
| 5981 | } |
| 5982 | |
Ghanim Fodi | 115bf8a | 2017-04-21 01:36:06 -0700 | [diff] [blame] | 5983 | result = of_platform_populate(pdev_p->dev.of_node, |
| 5984 | pdrv_match, NULL, &pdev_p->dev); |
| 5985 | if (result) { |
| 5986 | IPAERR("failed to populate platform\n"); |
| 5987 | return result; |
| 5988 | } |
| 5989 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5990 | return result; |
| 5991 | } |
| 5992 | |
| 5993 | /** |
| 5994 | * ipa3_ap_suspend() - suspend callback for runtime_pm |
| 5995 | * @dev: pointer to device |
| 5996 | * |
| 5997 | * This callback will be invoked by the runtime_pm framework when an AP suspend |
| 5998 | * operation is invoked, usually by pressing a suspend button. |
| 5999 | * |
| 6000 | * Returns -EAGAIN to runtime_pm framework in case IPA is in use by AP. |
| 6001 | * This will postpone the suspend operation until IPA is no longer used by AP. |
| 6002 | */ |
| 6003 | int ipa3_ap_suspend(struct device *dev) |
| 6004 | { |
| 6005 | int i; |
| 6006 | |
| 6007 | IPADBG("Enter...\n"); |
| 6008 | |
| 6009 | /* In case there is a tx/rx handler in polling mode fail to suspend */ |
| 6010 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 6011 | if (ipa3_ctx->ep[i].sys && |
| 6012 | atomic_read(&ipa3_ctx->ep[i].sys->curr_polling_state)) { |
| 6013 | IPAERR("EP %d is in polling state, do not suspend\n", |
| 6014 | i); |
| 6015 | return -EAGAIN; |
| 6016 | } |
| 6017 | } |
| 6018 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 6019 | if (ipa3_ctx->use_ipa_pm) { |
| 6020 | ipa_pm_deactivate_all_deferred(); |
| 6021 | } else { |
| 6022 | /* |
| 6023 | * Release transport IPA resource without waiting |
| 6024 | * for inactivity timer |
| 6025 | */ |
| 6026 | atomic_set(&ipa3_ctx->transport_pm.eot_activity, 0); |
| 6027 | ipa3_transport_release_resource(NULL); |
| 6028 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6029 | IPADBG("Exit\n"); |
| 6030 | |
| 6031 | return 0; |
| 6032 | } |
| 6033 | |
| 6034 | /** |
| 6035 | * ipa3_ap_resume() - resume callback for runtime_pm |
| 6036 | * @dev: pointer to device |
| 6037 | * |
| 6038 | * This callback will be invoked by the runtime_pm framework when an AP resume |
| 6039 | * operation is invoked. |
| 6040 | * |
| 6041 | * Always returns 0 since resume should always succeed. |
| 6042 | */ |
| 6043 | int ipa3_ap_resume(struct device *dev) |
| 6044 | { |
| 6045 | return 0; |
| 6046 | } |
| 6047 | |
| 6048 | struct ipa3_context *ipa3_get_ctx(void) |
| 6049 | { |
| 6050 | return ipa3_ctx; |
| 6051 | } |
| 6052 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6053 | static void ipa_gsi_notify_cb(struct gsi_per_notify *notify) |
| 6054 | { |
| 6055 | switch (notify->evt_id) { |
| 6056 | case GSI_PER_EVT_GLOB_ERROR: |
| 6057 | IPAERR("Got GSI_PER_EVT_GLOB_ERROR\n"); |
| 6058 | IPAERR("Err_desc = 0x%04x\n", notify->data.err_desc); |
| 6059 | break; |
| 6060 | case GSI_PER_EVT_GLOB_GP1: |
| 6061 | IPAERR("Got GSI_PER_EVT_GLOB_GP1\n"); |
| 6062 | BUG(); |
| 6063 | break; |
| 6064 | case GSI_PER_EVT_GLOB_GP2: |
| 6065 | IPAERR("Got GSI_PER_EVT_GLOB_GP2\n"); |
| 6066 | BUG(); |
| 6067 | break; |
| 6068 | case GSI_PER_EVT_GLOB_GP3: |
| 6069 | IPAERR("Got GSI_PER_EVT_GLOB_GP3\n"); |
| 6070 | BUG(); |
| 6071 | break; |
| 6072 | case GSI_PER_EVT_GENERAL_BREAK_POINT: |
| 6073 | IPAERR("Got GSI_PER_EVT_GENERAL_BREAK_POINT\n"); |
| 6074 | break; |
| 6075 | case GSI_PER_EVT_GENERAL_BUS_ERROR: |
| 6076 | IPAERR("Got GSI_PER_EVT_GENERAL_BUS_ERROR\n"); |
| 6077 | BUG(); |
| 6078 | break; |
| 6079 | case GSI_PER_EVT_GENERAL_CMD_FIFO_OVERFLOW: |
| 6080 | IPAERR("Got GSI_PER_EVT_GENERAL_CMD_FIFO_OVERFLOW\n"); |
| 6081 | BUG(); |
| 6082 | break; |
| 6083 | case GSI_PER_EVT_GENERAL_MCS_STACK_OVERFLOW: |
| 6084 | IPAERR("Got GSI_PER_EVT_GENERAL_MCS_STACK_OVERFLOW\n"); |
| 6085 | BUG(); |
| 6086 | break; |
| 6087 | default: |
| 6088 | IPAERR("Received unexpected evt: %d\n", |
| 6089 | notify->evt_id); |
| 6090 | BUG(); |
| 6091 | } |
| 6092 | } |
| 6093 | |
| 6094 | int ipa3_register_ipa_ready_cb(void (*ipa_ready_cb)(void *), void *user_data) |
| 6095 | { |
| 6096 | struct ipa3_ready_cb_info *cb_info = NULL; |
| 6097 | |
| 6098 | /* check ipa3_ctx existed or not */ |
| 6099 | if (!ipa3_ctx) { |
| 6100 | IPADBG("IPA driver haven't initialized\n"); |
| 6101 | return -ENXIO; |
| 6102 | } |
| 6103 | mutex_lock(&ipa3_ctx->lock); |
| 6104 | if (ipa3_ctx->ipa_initialization_complete) { |
| 6105 | mutex_unlock(&ipa3_ctx->lock); |
| 6106 | IPADBG("IPA driver finished initialization already\n"); |
| 6107 | return -EEXIST; |
| 6108 | } |
| 6109 | |
| 6110 | cb_info = kmalloc(sizeof(struct ipa3_ready_cb_info), GFP_KERNEL); |
| 6111 | if (!cb_info) { |
| 6112 | mutex_unlock(&ipa3_ctx->lock); |
| 6113 | return -ENOMEM; |
| 6114 | } |
| 6115 | |
| 6116 | cb_info->ready_cb = ipa_ready_cb; |
| 6117 | cb_info->user_data = user_data; |
| 6118 | |
| 6119 | list_add_tail(&cb_info->link, &ipa3_ctx->ipa_ready_cb_list); |
| 6120 | mutex_unlock(&ipa3_ctx->lock); |
| 6121 | |
| 6122 | return 0; |
| 6123 | } |
| 6124 | |
| 6125 | int ipa3_iommu_map(struct iommu_domain *domain, |
| 6126 | unsigned long iova, phys_addr_t paddr, size_t size, int prot) |
| 6127 | { |
| 6128 | struct ipa_smmu_cb_ctx *ap_cb = ipa3_get_smmu_ctx(); |
| 6129 | struct ipa_smmu_cb_ctx *uc_cb = ipa3_get_uc_smmu_ctx(); |
| 6130 | |
| 6131 | IPADBG("domain =0x%p iova 0x%lx\n", domain, iova); |
| 6132 | IPADBG("paddr =0x%pa size 0x%x\n", &paddr, (u32)size); |
| 6133 | |
| 6134 | /* make sure no overlapping */ |
| 6135 | if (domain == ipa3_get_smmu_domain()) { |
| 6136 | if (iova >= ap_cb->va_start && iova < ap_cb->va_end) { |
| 6137 | IPAERR("iommu AP overlap addr 0x%lx\n", iova); |
| 6138 | ipa_assert(); |
| 6139 | return -EFAULT; |
| 6140 | } |
| 6141 | } else if (domain == ipa3_get_wlan_smmu_domain()) { |
| 6142 | /* wlan is one time map */ |
| 6143 | } else if (domain == ipa3_get_uc_smmu_domain()) { |
| 6144 | if (iova >= uc_cb->va_start && iova < uc_cb->va_end) { |
| 6145 | IPAERR("iommu uC overlap addr 0x%lx\n", iova); |
| 6146 | ipa_assert(); |
| 6147 | return -EFAULT; |
| 6148 | } |
| 6149 | } else { |
| 6150 | IPAERR("Unexpected domain 0x%p\n", domain); |
| 6151 | ipa_assert(); |
| 6152 | return -EFAULT; |
| 6153 | } |
| 6154 | |
| 6155 | return iommu_map(domain, iova, paddr, size, prot); |
| 6156 | } |
| 6157 | |
| 6158 | MODULE_LICENSE("GPL v2"); |
| 6159 | MODULE_DESCRIPTION("IPA HW device driver"); |