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 | |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 89 | #define IPA_MHI_GSI_EVENT_RING_ID_START 10 |
| 90 | #define IPA_MHI_GSI_EVENT_RING_ID_END 12 |
| 91 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 92 | #define IPA_SMEM_SIZE (8 * 1024) |
| 93 | |
Michael Adisumarta | f01e9fd | 2017-08-31 12:23:51 -0700 | [diff] [blame] | 94 | #define IPA_GSI_CHANNEL_HALT_MIN_SLEEP 5000 |
| 95 | #define IPA_GSI_CHANNEL_HALT_MAX_SLEEP 10000 |
| 96 | #define IPA_GSI_CHANNEL_HALT_MAX_TRY 10 |
| 97 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 98 | /* round addresses for closes page per SMMU requirements */ |
| 99 | #define IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, iova_p, pa_p, size_p) \ |
| 100 | do { \ |
| 101 | (iova_p) = rounddown((iova), PAGE_SIZE); \ |
| 102 | (pa_p) = rounddown((pa), PAGE_SIZE); \ |
| 103 | (size_p) = roundup((size) + (pa) - (pa_p), PAGE_SIZE); \ |
| 104 | } while (0) |
| 105 | |
| 106 | |
| 107 | /* The relative location in /lib/firmware where the FWs will reside */ |
| 108 | #define IPA_FWS_PATH "ipa/ipa_fws.elf" |
| 109 | |
| 110 | #ifdef CONFIG_COMPAT |
| 111 | #define IPA_IOC_ADD_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 112 | IPA_IOCTL_ADD_HDR, \ |
| 113 | compat_uptr_t) |
| 114 | #define IPA_IOC_DEL_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 115 | IPA_IOCTL_DEL_HDR, \ |
| 116 | compat_uptr_t) |
| 117 | #define IPA_IOC_ADD_RT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 118 | IPA_IOCTL_ADD_RT_RULE, \ |
| 119 | compat_uptr_t) |
| 120 | #define IPA_IOC_DEL_RT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 121 | IPA_IOCTL_DEL_RT_RULE, \ |
| 122 | compat_uptr_t) |
| 123 | #define IPA_IOC_ADD_FLT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 124 | IPA_IOCTL_ADD_FLT_RULE, \ |
| 125 | compat_uptr_t) |
| 126 | #define IPA_IOC_DEL_FLT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 127 | IPA_IOCTL_DEL_FLT_RULE, \ |
| 128 | compat_uptr_t) |
| 129 | #define IPA_IOC_GET_RT_TBL32 _IOWR(IPA_IOC_MAGIC, \ |
| 130 | IPA_IOCTL_GET_RT_TBL, \ |
| 131 | compat_uptr_t) |
| 132 | #define IPA_IOC_COPY_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 133 | IPA_IOCTL_COPY_HDR, \ |
| 134 | compat_uptr_t) |
| 135 | #define IPA_IOC_QUERY_INTF32 _IOWR(IPA_IOC_MAGIC, \ |
| 136 | IPA_IOCTL_QUERY_INTF, \ |
| 137 | compat_uptr_t) |
| 138 | #define IPA_IOC_QUERY_INTF_TX_PROPS32 _IOWR(IPA_IOC_MAGIC, \ |
| 139 | IPA_IOCTL_QUERY_INTF_TX_PROPS, \ |
| 140 | compat_uptr_t) |
| 141 | #define IPA_IOC_QUERY_INTF_RX_PROPS32 _IOWR(IPA_IOC_MAGIC, \ |
| 142 | IPA_IOCTL_QUERY_INTF_RX_PROPS, \ |
| 143 | compat_uptr_t) |
| 144 | #define IPA_IOC_QUERY_INTF_EXT_PROPS32 _IOWR(IPA_IOC_MAGIC, \ |
| 145 | IPA_IOCTL_QUERY_INTF_EXT_PROPS, \ |
| 146 | compat_uptr_t) |
| 147 | #define IPA_IOC_GET_HDR32 _IOWR(IPA_IOC_MAGIC, \ |
| 148 | IPA_IOCTL_GET_HDR, \ |
| 149 | compat_uptr_t) |
| 150 | #define IPA_IOC_ALLOC_NAT_MEM32 _IOWR(IPA_IOC_MAGIC, \ |
| 151 | IPA_IOCTL_ALLOC_NAT_MEM, \ |
| 152 | compat_uptr_t) |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 153 | #define IPA_IOC_ALLOC_NAT_TABLE32 _IOWR(IPA_IOC_MAGIC, \ |
| 154 | IPA_IOCTL_ALLOC_NAT_TABLE, \ |
| 155 | compat_uptr_t) |
| 156 | #define IPA_IOC_ALLOC_IPV6CT_TABLE32 _IOWR(IPA_IOC_MAGIC, \ |
| 157 | IPA_IOCTL_ALLOC_IPV6CT_TABLE, \ |
| 158 | compat_uptr_t) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 159 | #define IPA_IOC_V4_INIT_NAT32 _IOWR(IPA_IOC_MAGIC, \ |
| 160 | IPA_IOCTL_V4_INIT_NAT, \ |
| 161 | compat_uptr_t) |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 162 | #define IPA_IOC_INIT_IPV6CT_TABLE32 _IOWR(IPA_IOC_MAGIC, \ |
| 163 | IPA_IOCTL_INIT_IPV6CT_TABLE, \ |
| 164 | compat_uptr_t) |
| 165 | #define IPA_IOC_TABLE_DMA_CMD32 _IOWR(IPA_IOC_MAGIC, \ |
| 166 | IPA_IOCTL_TABLE_DMA_CMD, \ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 167 | compat_uptr_t) |
| 168 | #define IPA_IOC_V4_DEL_NAT32 _IOWR(IPA_IOC_MAGIC, \ |
| 169 | IPA_IOCTL_V4_DEL_NAT, \ |
| 170 | compat_uptr_t) |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 171 | #define IPA_IOC_DEL_NAT_TABLE32 _IOWR(IPA_IOC_MAGIC, \ |
| 172 | IPA_IOCTL_DEL_NAT_TABLE, \ |
| 173 | compat_uptr_t) |
| 174 | #define IPA_IOC_DEL_IPV6CT_TABLE32 _IOWR(IPA_IOC_MAGIC, \ |
| 175 | IPA_IOCTL_DEL_IPV6CT_TABLE, \ |
| 176 | compat_uptr_t) |
| 177 | #define IPA_IOC_NAT_MODIFY_PDN32 _IOWR(IPA_IOC_MAGIC, \ |
| 178 | IPA_IOCTL_NAT_MODIFY_PDN, \ |
| 179 | compat_uptr_t) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 180 | #define IPA_IOC_GET_NAT_OFFSET32 _IOWR(IPA_IOC_MAGIC, \ |
| 181 | IPA_IOCTL_GET_NAT_OFFSET, \ |
| 182 | compat_uptr_t) |
| 183 | #define IPA_IOC_PULL_MSG32 _IOWR(IPA_IOC_MAGIC, \ |
| 184 | IPA_IOCTL_PULL_MSG, \ |
| 185 | compat_uptr_t) |
| 186 | #define IPA_IOC_RM_ADD_DEPENDENCY32 _IOWR(IPA_IOC_MAGIC, \ |
| 187 | IPA_IOCTL_RM_ADD_DEPENDENCY, \ |
| 188 | compat_uptr_t) |
| 189 | #define IPA_IOC_RM_DEL_DEPENDENCY32 _IOWR(IPA_IOC_MAGIC, \ |
| 190 | IPA_IOCTL_RM_DEL_DEPENDENCY, \ |
| 191 | compat_uptr_t) |
| 192 | #define IPA_IOC_GENERATE_FLT_EQ32 _IOWR(IPA_IOC_MAGIC, \ |
| 193 | IPA_IOCTL_GENERATE_FLT_EQ, \ |
| 194 | compat_uptr_t) |
| 195 | #define IPA_IOC_QUERY_RT_TBL_INDEX32 _IOWR(IPA_IOC_MAGIC, \ |
| 196 | IPA_IOCTL_QUERY_RT_TBL_INDEX, \ |
| 197 | compat_uptr_t) |
| 198 | #define IPA_IOC_WRITE_QMAPID32 _IOWR(IPA_IOC_MAGIC, \ |
| 199 | IPA_IOCTL_WRITE_QMAPID, \ |
| 200 | compat_uptr_t) |
| 201 | #define IPA_IOC_MDFY_FLT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 202 | IPA_IOCTL_MDFY_FLT_RULE, \ |
| 203 | compat_uptr_t) |
| 204 | #define IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD32 _IOWR(IPA_IOC_MAGIC, \ |
| 205 | IPA_IOCTL_NOTIFY_WAN_UPSTREAM_ROUTE_ADD, \ |
| 206 | compat_uptr_t) |
| 207 | #define IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL32 _IOWR(IPA_IOC_MAGIC, \ |
| 208 | IPA_IOCTL_NOTIFY_WAN_UPSTREAM_ROUTE_DEL, \ |
| 209 | compat_uptr_t) |
| 210 | #define IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED32 _IOWR(IPA_IOC_MAGIC, \ |
| 211 | IPA_IOCTL_NOTIFY_WAN_EMBMS_CONNECTED, \ |
| 212 | compat_uptr_t) |
| 213 | #define IPA_IOC_ADD_HDR_PROC_CTX32 _IOWR(IPA_IOC_MAGIC, \ |
| 214 | IPA_IOCTL_ADD_HDR_PROC_CTX, \ |
| 215 | compat_uptr_t) |
| 216 | #define IPA_IOC_DEL_HDR_PROC_CTX32 _IOWR(IPA_IOC_MAGIC, \ |
| 217 | IPA_IOCTL_DEL_HDR_PROC_CTX, \ |
| 218 | compat_uptr_t) |
| 219 | #define IPA_IOC_MDFY_RT_RULE32 _IOWR(IPA_IOC_MAGIC, \ |
| 220 | IPA_IOCTL_MDFY_RT_RULE, \ |
| 221 | compat_uptr_t) |
| 222 | |
| 223 | /** |
| 224 | * struct ipa3_ioc_nat_alloc_mem32 - nat table memory allocation |
| 225 | * properties |
| 226 | * @dev_name: input parameter, the name of table |
| 227 | * @size: input parameter, size of table in bytes |
| 228 | * @offset: output parameter, offset into page in case of system memory |
| 229 | */ |
| 230 | struct ipa3_ioc_nat_alloc_mem32 { |
| 231 | char dev_name[IPA_RESOURCE_NAME_MAX]; |
| 232 | compat_size_t size; |
| 233 | compat_off_t offset; |
| 234 | }; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 235 | |
| 236 | /** |
| 237 | * struct ipa_ioc_nat_ipv6ct_table_alloc32 - table memory allocation |
| 238 | * properties |
| 239 | * @size: input parameter, size of table in bytes |
| 240 | * @offset: output parameter, offset into page in case of system memory |
| 241 | */ |
| 242 | struct ipa_ioc_nat_ipv6ct_table_alloc32 { |
| 243 | compat_size_t size; |
| 244 | compat_off_t offset; |
| 245 | }; |
| 246 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 247 | #endif |
| 248 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 249 | #define IPA_TZ_UNLOCK_ATTRIBUTE 0x0C0311 |
| 250 | #define TZ_MEM_PROTECT_REGION_ID 0x10 |
| 251 | |
| 252 | struct tz_smmu_ipa_protect_region_iovec_s { |
| 253 | u64 input_addr; |
| 254 | u64 output_addr; |
| 255 | u64 size; |
| 256 | u32 attr; |
| 257 | } __packed; |
| 258 | |
| 259 | struct tz_smmu_ipa_protect_region_s { |
| 260 | phys_addr_t iovec_buf; |
| 261 | u32 size_bytes; |
| 262 | } __packed; |
| 263 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 264 | static void ipa3_start_tag_process(struct work_struct *work); |
| 265 | static DECLARE_WORK(ipa3_tag_work, ipa3_start_tag_process); |
| 266 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 267 | static void ipa3_transport_release_resource(struct work_struct *work); |
| 268 | static DECLARE_DELAYED_WORK(ipa3_transport_release_resource_work, |
| 269 | ipa3_transport_release_resource); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 270 | static void ipa_gsi_notify_cb(struct gsi_per_notify *notify); |
| 271 | |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 272 | static void ipa3_load_ipa_fw(struct work_struct *work); |
| 273 | static DECLARE_WORK(ipa3_fw_loading_work, ipa3_load_ipa_fw); |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 274 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 275 | static void ipa_dec_clients_disable_clks_on_wq(struct work_struct *work); |
| 276 | static DECLARE_WORK(ipa_dec_clients_disable_clks_on_wq_work, |
| 277 | ipa_dec_clients_disable_clks_on_wq); |
| 278 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 279 | static struct ipa3_plat_drv_res ipa3_res = {0, }; |
| 280 | struct msm_bus_scale_pdata *ipa3_bus_scale_table; |
| 281 | |
| 282 | static struct clk *ipa3_clk; |
| 283 | |
| 284 | struct ipa3_context *ipa3_ctx; |
| 285 | static struct device *master_dev; |
| 286 | struct platform_device *ipa3_pdev; |
| 287 | static struct { |
| 288 | bool present; |
| 289 | bool arm_smmu; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 290 | bool fast_map; |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 291 | bool s1_bypass_arr[IPA_SMMU_CB_MAX]; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 292 | bool use_64_bit_dma_mask; |
| 293 | u32 ipa_base; |
| 294 | u32 ipa_size; |
| 295 | } smmu_info; |
| 296 | |
| 297 | static char *active_clients_table_buf; |
| 298 | |
| 299 | int ipa3_active_clients_log_print_buffer(char *buf, int size) |
| 300 | { |
| 301 | int i; |
| 302 | int nbytes; |
| 303 | int cnt = 0; |
| 304 | int start_idx; |
| 305 | int end_idx; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 306 | unsigned long flags; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 307 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 308 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 309 | start_idx = (ipa3_ctx->ipa3_active_clients_logging.log_tail + 1) % |
| 310 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 311 | end_idx = ipa3_ctx->ipa3_active_clients_logging.log_head; |
| 312 | for (i = start_idx; i != end_idx; |
| 313 | i = (i + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES) { |
| 314 | nbytes = scnprintf(buf + cnt, size - cnt, "%s\n", |
| 315 | ipa3_ctx->ipa3_active_clients_logging |
| 316 | .log_buffer[i]); |
| 317 | cnt += nbytes; |
| 318 | } |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 319 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 320 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 321 | |
| 322 | return cnt; |
| 323 | } |
| 324 | |
| 325 | int ipa3_active_clients_log_print_table(char *buf, int size) |
| 326 | { |
| 327 | int i; |
| 328 | struct ipa3_active_client_htable_entry *iterator; |
| 329 | int cnt = 0; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 330 | unsigned long flags; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 331 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 332 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 333 | cnt = scnprintf(buf, size, "\n---- Active Clients Table ----\n"); |
| 334 | hash_for_each(ipa3_ctx->ipa3_active_clients_logging.htable, i, |
| 335 | iterator, list) { |
| 336 | switch (iterator->type) { |
| 337 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_EP: |
| 338 | cnt += scnprintf(buf + cnt, size - cnt, |
| 339 | "%-40s %-3d ENDPOINT\n", |
| 340 | iterator->id_string, iterator->count); |
| 341 | break; |
| 342 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_SIMPLE: |
| 343 | cnt += scnprintf(buf + cnt, size - cnt, |
| 344 | "%-40s %-3d SIMPLE\n", |
| 345 | iterator->id_string, iterator->count); |
| 346 | break; |
| 347 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_RESOURCE: |
| 348 | cnt += scnprintf(buf + cnt, size - cnt, |
| 349 | "%-40s %-3d RESOURCE\n", |
| 350 | iterator->id_string, iterator->count); |
| 351 | break; |
| 352 | case IPA3_ACTIVE_CLIENT_LOG_TYPE_SPECIAL: |
| 353 | cnt += scnprintf(buf + cnt, size - cnt, |
| 354 | "%-40s %-3d SPECIAL\n", |
| 355 | iterator->id_string, iterator->count); |
| 356 | break; |
| 357 | default: |
| 358 | IPAERR("Trying to print illegal active_clients type"); |
| 359 | break; |
| 360 | } |
| 361 | } |
| 362 | cnt += scnprintf(buf + cnt, size - cnt, |
| 363 | "\nTotal active clients count: %d\n", |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 364 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 365 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 366 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 367 | |
| 368 | return cnt; |
| 369 | } |
| 370 | |
| 371 | static int ipa3_active_clients_panic_notifier(struct notifier_block *this, |
| 372 | unsigned long event, void *ptr) |
| 373 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 374 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 375 | ipa3_active_clients_log_print_table(active_clients_table_buf, |
| 376 | IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE); |
| 377 | IPAERR("%s", active_clients_table_buf); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 378 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 379 | |
| 380 | return NOTIFY_DONE; |
| 381 | } |
| 382 | |
| 383 | static struct notifier_block ipa3_active_clients_panic_blk = { |
| 384 | .notifier_call = ipa3_active_clients_panic_notifier, |
| 385 | }; |
| 386 | |
| 387 | static int ipa3_active_clients_log_insert(const char *string) |
| 388 | { |
| 389 | int head; |
| 390 | int tail; |
| 391 | |
| 392 | if (!ipa3_ctx->ipa3_active_clients_logging.log_rdy) |
| 393 | return -EPERM; |
| 394 | |
| 395 | head = ipa3_ctx->ipa3_active_clients_logging.log_head; |
| 396 | tail = ipa3_ctx->ipa3_active_clients_logging.log_tail; |
| 397 | |
| 398 | memset(ipa3_ctx->ipa3_active_clients_logging.log_buffer[head], '_', |
| 399 | IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN); |
| 400 | strlcpy(ipa3_ctx->ipa3_active_clients_logging.log_buffer[head], string, |
| 401 | (size_t)IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN); |
| 402 | head = (head + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 403 | if (tail == head) |
| 404 | tail = (tail + 1) % IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; |
| 405 | |
| 406 | ipa3_ctx->ipa3_active_clients_logging.log_tail = tail; |
| 407 | ipa3_ctx->ipa3_active_clients_logging.log_head = head; |
| 408 | |
| 409 | return 0; |
| 410 | } |
| 411 | |
| 412 | static int ipa3_active_clients_log_init(void) |
| 413 | { |
| 414 | int i; |
| 415 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 416 | spin_lock_init(&ipa3_ctx->ipa3_active_clients_logging.lock); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 417 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[0] = kzalloc( |
| 418 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES * |
| 419 | sizeof(char[IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN]), |
| 420 | GFP_KERNEL); |
| 421 | active_clients_table_buf = kzalloc(sizeof( |
| 422 | char[IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE]), GFP_KERNEL); |
| 423 | if (ipa3_ctx->ipa3_active_clients_logging.log_buffer == NULL) { |
| 424 | pr_err("Active Clients Logging memory allocation failed"); |
| 425 | goto bail; |
| 426 | } |
| 427 | for (i = 0; i < IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES; i++) { |
| 428 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[i] = |
| 429 | ipa3_ctx->ipa3_active_clients_logging.log_buffer[0] + |
| 430 | (IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN * i); |
| 431 | } |
| 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; |
| 435 | hash_init(ipa3_ctx->ipa3_active_clients_logging.htable); |
| 436 | atomic_notifier_chain_register(&panic_notifier_list, |
| 437 | &ipa3_active_clients_panic_blk); |
| 438 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = 1; |
| 439 | |
| 440 | return 0; |
| 441 | |
| 442 | bail: |
| 443 | return -ENOMEM; |
| 444 | } |
| 445 | |
| 446 | void ipa3_active_clients_log_clear(void) |
| 447 | { |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 448 | unsigned long flags; |
| 449 | |
| 450 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 451 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 452 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 453 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 454 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 455 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | static void ipa3_active_clients_log_destroy(void) |
| 459 | { |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 460 | unsigned long flags; |
| 461 | |
| 462 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 463 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = 0; |
| 464 | kfree(ipa3_ctx->ipa3_active_clients_logging.log_buffer[0]); |
| 465 | ipa3_ctx->ipa3_active_clients_logging.log_head = 0; |
| 466 | ipa3_ctx->ipa3_active_clients_logging.log_tail = |
| 467 | IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 468 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 469 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 470 | } |
| 471 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 472 | static struct ipa_smmu_cb_ctx smmu_cb[IPA_SMMU_CB_MAX]; |
| 473 | |
| 474 | struct iommu_domain *ipa3_get_smmu_domain(void) |
| 475 | { |
| 476 | if (smmu_cb[IPA_SMMU_CB_AP].valid) |
| 477 | return smmu_cb[IPA_SMMU_CB_AP].mapping->domain; |
| 478 | |
| 479 | IPAERR("CB not valid\n"); |
| 480 | |
| 481 | return NULL; |
| 482 | } |
| 483 | |
| 484 | struct iommu_domain *ipa3_get_uc_smmu_domain(void) |
| 485 | { |
| 486 | if (smmu_cb[IPA_SMMU_CB_UC].valid) |
| 487 | return smmu_cb[IPA_SMMU_CB_UC].mapping->domain; |
| 488 | |
| 489 | IPAERR("CB not valid\n"); |
| 490 | |
| 491 | return NULL; |
| 492 | } |
| 493 | |
| 494 | struct iommu_domain *ipa3_get_wlan_smmu_domain(void) |
| 495 | { |
| 496 | if (smmu_cb[IPA_SMMU_CB_WLAN].valid) |
| 497 | return smmu_cb[IPA_SMMU_CB_WLAN].iommu; |
| 498 | |
| 499 | IPAERR("CB not valid\n"); |
| 500 | |
| 501 | return NULL; |
| 502 | } |
| 503 | |
| 504 | |
| 505 | struct device *ipa3_get_dma_dev(void) |
| 506 | { |
| 507 | return ipa3_ctx->pdev; |
| 508 | } |
| 509 | |
| 510 | /** |
| 511 | * ipa3_get_smmu_ctx()- Return the wlan smmu context |
| 512 | * |
| 513 | * Return value: pointer to smmu context address |
| 514 | */ |
| 515 | struct ipa_smmu_cb_ctx *ipa3_get_smmu_ctx(void) |
| 516 | { |
| 517 | return &smmu_cb[IPA_SMMU_CB_AP]; |
| 518 | } |
| 519 | |
| 520 | /** |
| 521 | * ipa3_get_wlan_smmu_ctx()- Return the wlan smmu context |
| 522 | * |
| 523 | * Return value: pointer to smmu context address |
| 524 | */ |
| 525 | struct ipa_smmu_cb_ctx *ipa3_get_wlan_smmu_ctx(void) |
| 526 | { |
| 527 | return &smmu_cb[IPA_SMMU_CB_WLAN]; |
| 528 | } |
| 529 | |
| 530 | /** |
| 531 | * ipa3_get_uc_smmu_ctx()- Return the uc smmu context |
| 532 | * |
| 533 | * Return value: pointer to smmu context address |
| 534 | */ |
| 535 | struct ipa_smmu_cb_ctx *ipa3_get_uc_smmu_ctx(void) |
| 536 | { |
| 537 | return &smmu_cb[IPA_SMMU_CB_UC]; |
| 538 | } |
| 539 | |
| 540 | static int ipa3_open(struct inode *inode, struct file *filp) |
| 541 | { |
| 542 | struct ipa3_context *ctx = NULL; |
| 543 | |
| 544 | IPADBG_LOW("ENTER\n"); |
| 545 | ctx = container_of(inode->i_cdev, struct ipa3_context, cdev); |
| 546 | filp->private_data = ctx; |
| 547 | |
| 548 | return 0; |
| 549 | } |
| 550 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 551 | static void ipa3_wan_msg_free_cb(void *buff, u32 len, u32 type) |
| 552 | { |
| 553 | if (!buff) { |
| 554 | IPAERR("Null buffer\n"); |
| 555 | return; |
| 556 | } |
| 557 | |
| 558 | if (type != WAN_UPSTREAM_ROUTE_ADD && |
| 559 | type != WAN_UPSTREAM_ROUTE_DEL && |
| 560 | type != WAN_EMBMS_CONNECT) { |
| 561 | IPAERR("Wrong type given. buff %p type %d\n", buff, type); |
| 562 | return; |
| 563 | } |
| 564 | |
| 565 | kfree(buff); |
| 566 | } |
| 567 | |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 568 | 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] | 569 | { |
| 570 | int retval; |
| 571 | struct ipa_wan_msg *wan_msg; |
| 572 | struct ipa_msg_meta msg_meta; |
Mohammed Javid | 616bb99 | 2017-10-03 13:10:05 +0530 | [diff] [blame] | 573 | struct ipa_wan_msg cache_wan_msg; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 574 | |
| 575 | wan_msg = kzalloc(sizeof(struct ipa_wan_msg), GFP_KERNEL); |
| 576 | if (!wan_msg) { |
| 577 | IPAERR("no memory\n"); |
| 578 | return -ENOMEM; |
| 579 | } |
| 580 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 581 | if (copy_from_user(wan_msg, (const void __user *)usr_param, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 582 | sizeof(struct ipa_wan_msg))) { |
| 583 | kfree(wan_msg); |
| 584 | return -EFAULT; |
| 585 | } |
| 586 | |
Mohammed Javid | 616bb99 | 2017-10-03 13:10:05 +0530 | [diff] [blame] | 587 | memcpy(&cache_wan_msg, wan_msg, sizeof(cache_wan_msg)); |
| 588 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 589 | memset(&msg_meta, 0, sizeof(struct ipa_msg_meta)); |
| 590 | msg_meta.msg_type = msg_type; |
| 591 | msg_meta.msg_len = sizeof(struct ipa_wan_msg); |
| 592 | retval = ipa3_send_msg(&msg_meta, wan_msg, ipa3_wan_msg_free_cb); |
| 593 | if (retval) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 594 | IPAERR_RL("ipa3_send_msg failed: %d\n", retval); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 595 | kfree(wan_msg); |
| 596 | return retval; |
| 597 | } |
| 598 | |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 599 | if (is_cache) { |
| 600 | mutex_lock(&ipa3_ctx->ipa_cne_evt_lock); |
| 601 | |
| 602 | /* cache the cne event */ |
| 603 | memcpy(&ipa3_ctx->ipa_cne_evt_req_cache[ |
| 604 | ipa3_ctx->num_ipa_cne_evt_req].wan_msg, |
Mohammed Javid | 616bb99 | 2017-10-03 13:10:05 +0530 | [diff] [blame] | 605 | &cache_wan_msg, |
| 606 | sizeof(cache_wan_msg)); |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 607 | |
| 608 | memcpy(&ipa3_ctx->ipa_cne_evt_req_cache[ |
| 609 | ipa3_ctx->num_ipa_cne_evt_req].msg_meta, |
| 610 | &msg_meta, |
| 611 | sizeof(struct ipa_msg_meta)); |
| 612 | |
| 613 | ipa3_ctx->num_ipa_cne_evt_req++; |
| 614 | ipa3_ctx->num_ipa_cne_evt_req %= IPA_MAX_NUM_REQ_CACHE; |
| 615 | mutex_unlock(&ipa3_ctx->ipa_cne_evt_lock); |
| 616 | } |
| 617 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 618 | return 0; |
| 619 | } |
| 620 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 621 | static void ipa3_vlan_l2tp_msg_free_cb(void *buff, u32 len, u32 type) |
| 622 | { |
| 623 | if (!buff) { |
| 624 | IPAERR("Null buffer\n"); |
| 625 | return; |
| 626 | } |
| 627 | |
| 628 | if (type != ADD_VLAN_IFACE && |
| 629 | type != DEL_VLAN_IFACE && |
| 630 | type != ADD_L2TP_VLAN_MAPPING && |
| 631 | type != DEL_L2TP_VLAN_MAPPING) { |
| 632 | IPAERR("Wrong type given. buff %pK type %d\n", buff, type); |
| 633 | return; |
| 634 | } |
| 635 | |
| 636 | kfree(buff); |
| 637 | } |
| 638 | |
| 639 | static int ipa3_send_vlan_l2tp_msg(unsigned long usr_param, uint8_t msg_type) |
| 640 | { |
| 641 | int retval; |
| 642 | struct ipa_ioc_vlan_iface_info *vlan_info; |
| 643 | struct ipa_ioc_l2tp_vlan_mapping_info *mapping_info; |
| 644 | struct ipa_msg_meta msg_meta; |
| 645 | |
| 646 | if (msg_type == ADD_VLAN_IFACE || |
| 647 | msg_type == DEL_VLAN_IFACE) { |
| 648 | vlan_info = kzalloc(sizeof(struct ipa_ioc_vlan_iface_info), |
| 649 | GFP_KERNEL); |
| 650 | if (!vlan_info) { |
| 651 | IPAERR("no memory\n"); |
| 652 | return -ENOMEM; |
| 653 | } |
| 654 | |
| 655 | if (copy_from_user((u8 *)vlan_info, (void __user *)usr_param, |
| 656 | sizeof(struct ipa_ioc_vlan_iface_info))) { |
| 657 | kfree(vlan_info); |
| 658 | return -EFAULT; |
| 659 | } |
| 660 | |
| 661 | memset(&msg_meta, 0, sizeof(msg_meta)); |
| 662 | msg_meta.msg_type = msg_type; |
| 663 | msg_meta.msg_len = sizeof(struct ipa_ioc_vlan_iface_info); |
| 664 | retval = ipa3_send_msg(&msg_meta, vlan_info, |
| 665 | ipa3_vlan_l2tp_msg_free_cb); |
| 666 | if (retval) { |
| 667 | IPAERR("ipa3_send_msg failed: %d\n", retval); |
| 668 | kfree(vlan_info); |
| 669 | return retval; |
| 670 | } |
| 671 | } else if (msg_type == ADD_L2TP_VLAN_MAPPING || |
| 672 | msg_type == DEL_L2TP_VLAN_MAPPING) { |
| 673 | mapping_info = kzalloc(sizeof(struct |
| 674 | ipa_ioc_l2tp_vlan_mapping_info), GFP_KERNEL); |
| 675 | if (!mapping_info) { |
| 676 | IPAERR("no memory\n"); |
| 677 | return -ENOMEM; |
| 678 | } |
| 679 | |
| 680 | if (copy_from_user((u8 *)mapping_info, |
| 681 | (void __user *)usr_param, |
| 682 | sizeof(struct ipa_ioc_l2tp_vlan_mapping_info))) { |
| 683 | kfree(mapping_info); |
| 684 | return -EFAULT; |
| 685 | } |
| 686 | |
| 687 | memset(&msg_meta, 0, sizeof(msg_meta)); |
| 688 | msg_meta.msg_type = msg_type; |
| 689 | msg_meta.msg_len = sizeof(struct |
| 690 | ipa_ioc_l2tp_vlan_mapping_info); |
| 691 | retval = ipa3_send_msg(&msg_meta, mapping_info, |
| 692 | ipa3_vlan_l2tp_msg_free_cb); |
| 693 | if (retval) { |
| 694 | IPAERR("ipa3_send_msg failed: %d\n", retval); |
| 695 | kfree(mapping_info); |
| 696 | return retval; |
| 697 | } |
| 698 | } else { |
| 699 | IPAERR("Unexpected event\n"); |
| 700 | return -EFAULT; |
| 701 | } |
| 702 | |
| 703 | return 0; |
| 704 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 705 | |
| 706 | static long ipa3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) |
| 707 | { |
| 708 | int retval = 0; |
| 709 | u32 pyld_sz; |
| 710 | u8 header[128] = { 0 }; |
| 711 | u8 *param = NULL; |
| 712 | struct ipa_ioc_nat_alloc_mem nat_mem; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 713 | struct ipa_ioc_nat_ipv6ct_table_alloc table_alloc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 714 | struct ipa_ioc_v4_nat_init nat_init; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 715 | struct ipa_ioc_ipv6ct_init ipv6ct_init; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 716 | struct ipa_ioc_v4_nat_del nat_del; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 717 | struct ipa_ioc_nat_ipv6ct_table_del table_del; |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 718 | struct ipa_ioc_nat_pdn_entry mdfy_pdn; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 719 | struct ipa_ioc_rm_dependency rm_depend; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 720 | struct ipa_ioc_nat_dma_cmd *table_dma_cmd; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 721 | size_t sz; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 722 | int pre_entry; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 723 | |
| 724 | IPADBG("cmd=%x nr=%d\n", cmd, _IOC_NR(cmd)); |
| 725 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 726 | if (_IOC_TYPE(cmd) != IPA_IOC_MAGIC) |
| 727 | return -ENOTTY; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 728 | |
Amir Levy | 0553262 | 2016-11-28 12:12:01 +0200 | [diff] [blame] | 729 | if (!ipa3_is_ready()) { |
| 730 | IPAERR("IPA not ready, waiting for init completion\n"); |
| 731 | wait_for_completion(&ipa3_ctx->init_completion_obj); |
| 732 | } |
| 733 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 734 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 735 | |
| 736 | switch (cmd) { |
| 737 | case IPA_IOC_ALLOC_NAT_MEM: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 738 | if (copy_from_user(&nat_mem, (const void __user *)arg, |
| 739 | sizeof(struct ipa_ioc_nat_alloc_mem))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 740 | retval = -EFAULT; |
| 741 | break; |
| 742 | } |
| 743 | /* null terminate the string */ |
| 744 | nat_mem.dev_name[IPA_RESOURCE_NAME_MAX - 1] = '\0'; |
| 745 | |
| 746 | if (ipa3_allocate_nat_device(&nat_mem)) { |
| 747 | retval = -EFAULT; |
| 748 | break; |
| 749 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 750 | if (copy_to_user((void __user *)arg, &nat_mem, |
| 751 | sizeof(struct ipa_ioc_nat_alloc_mem))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 752 | retval = -EFAULT; |
| 753 | break; |
| 754 | } |
| 755 | break; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 756 | case IPA_IOC_ALLOC_NAT_TABLE: |
| 757 | if (copy_from_user(&table_alloc, (const void __user *)arg, |
| 758 | sizeof(struct ipa_ioc_nat_ipv6ct_table_alloc))) { |
| 759 | retval = -EFAULT; |
| 760 | break; |
| 761 | } |
| 762 | |
| 763 | if (ipa3_allocate_nat_table(&table_alloc)) { |
| 764 | retval = -EFAULT; |
| 765 | break; |
| 766 | } |
| 767 | if (table_alloc.offset && |
| 768 | copy_to_user((void __user *)arg, &table_alloc, sizeof( |
| 769 | struct ipa_ioc_nat_ipv6ct_table_alloc))) { |
| 770 | retval = -EFAULT; |
| 771 | break; |
| 772 | } |
| 773 | break; |
| 774 | |
| 775 | case IPA_IOC_ALLOC_IPV6CT_TABLE: |
| 776 | if (copy_from_user(&table_alloc, (const void __user *)arg, |
| 777 | sizeof(struct ipa_ioc_nat_ipv6ct_table_alloc))) { |
| 778 | retval = -EFAULT; |
| 779 | break; |
| 780 | } |
| 781 | |
| 782 | if (ipa3_allocate_ipv6ct_table(&table_alloc)) { |
| 783 | retval = -EFAULT; |
| 784 | break; |
| 785 | } |
| 786 | if (table_alloc.offset && |
| 787 | copy_to_user((void __user *)arg, &table_alloc, sizeof( |
| 788 | struct ipa_ioc_nat_ipv6ct_table_alloc))) { |
| 789 | retval = -EFAULT; |
| 790 | break; |
| 791 | } |
| 792 | break; |
| 793 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 794 | case IPA_IOC_V4_INIT_NAT: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 795 | if (copy_from_user(&nat_init, (const void __user *)arg, |
| 796 | sizeof(struct ipa_ioc_v4_nat_init))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 797 | retval = -EFAULT; |
| 798 | break; |
| 799 | } |
| 800 | if (ipa3_nat_init_cmd(&nat_init)) { |
| 801 | retval = -EFAULT; |
| 802 | break; |
| 803 | } |
| 804 | break; |
| 805 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 806 | case IPA_IOC_INIT_IPV6CT_TABLE: |
| 807 | if (copy_from_user(&ipv6ct_init, (const void __user *)arg, |
| 808 | sizeof(struct ipa_ioc_ipv6ct_init))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 809 | retval = -EFAULT; |
| 810 | break; |
| 811 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 812 | if (ipa3_ipv6ct_init_cmd(&ipv6ct_init)) { |
| 813 | retval = -EFAULT; |
| 814 | break; |
| 815 | } |
| 816 | break; |
| 817 | |
| 818 | case IPA_IOC_TABLE_DMA_CMD: |
| 819 | table_dma_cmd = (struct ipa_ioc_nat_dma_cmd *)header; |
| 820 | if (copy_from_user(header, (const void __user *)arg, |
| 821 | sizeof(struct ipa_ioc_nat_dma_cmd))) { |
| 822 | retval = -EFAULT; |
| 823 | break; |
| 824 | } |
| 825 | pre_entry = table_dma_cmd->entries; |
| 826 | pyld_sz = sizeof(struct ipa_ioc_nat_dma_cmd) + |
| 827 | pre_entry * sizeof(struct ipa_ioc_nat_dma_one); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 828 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 829 | if (!param) { |
| 830 | retval = -ENOMEM; |
| 831 | break; |
| 832 | } |
| 833 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 834 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 835 | retval = -EFAULT; |
| 836 | break; |
| 837 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 838 | table_dma_cmd = (struct ipa_ioc_nat_dma_cmd *)param; |
| 839 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 840 | /* add check in case user-space module compromised */ |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 841 | if (unlikely(table_dma_cmd->entries != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 842 | IPAERR_RL("current %d pre %d\n", |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 843 | table_dma_cmd->entries, pre_entry); |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 844 | retval = -EFAULT; |
| 845 | break; |
| 846 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 847 | if (ipa3_table_dma_cmd(table_dma_cmd)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 848 | retval = -EFAULT; |
| 849 | break; |
| 850 | } |
| 851 | break; |
| 852 | |
| 853 | case IPA_IOC_V4_DEL_NAT: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 854 | if (copy_from_user(&nat_del, (const void __user *)arg, |
| 855 | sizeof(struct ipa_ioc_v4_nat_del))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 856 | retval = -EFAULT; |
| 857 | break; |
| 858 | } |
| 859 | if (ipa3_nat_del_cmd(&nat_del)) { |
| 860 | retval = -EFAULT; |
| 861 | break; |
| 862 | } |
| 863 | break; |
| 864 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 865 | case IPA_IOC_DEL_NAT_TABLE: |
| 866 | if (copy_from_user(&table_del, (const void __user *)arg, |
| 867 | sizeof(struct ipa_ioc_nat_ipv6ct_table_del))) { |
| 868 | retval = -EFAULT; |
| 869 | break; |
| 870 | } |
| 871 | if (ipa3_del_nat_table(&table_del)) { |
| 872 | retval = -EFAULT; |
| 873 | break; |
| 874 | } |
| 875 | break; |
| 876 | |
| 877 | case IPA_IOC_DEL_IPV6CT_TABLE: |
| 878 | if (copy_from_user(&table_del, (const void __user *)arg, |
| 879 | sizeof(struct ipa_ioc_nat_ipv6ct_table_del))) { |
| 880 | retval = -EFAULT; |
| 881 | break; |
| 882 | } |
| 883 | if (ipa3_del_ipv6ct_table(&table_del)) { |
| 884 | retval = -EFAULT; |
| 885 | break; |
| 886 | } |
| 887 | break; |
| 888 | |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 889 | case IPA_IOC_NAT_MODIFY_PDN: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 890 | if (copy_from_user(&mdfy_pdn, (const void __user *)arg, |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 891 | sizeof(struct ipa_ioc_nat_pdn_entry))) { |
| 892 | retval = -EFAULT; |
| 893 | break; |
| 894 | } |
Amir Levy | dc65f4c | 2017-07-06 09:49:50 +0300 | [diff] [blame] | 895 | if (ipa3_nat_mdfy_pdn(&mdfy_pdn)) { |
Amir Levy | 05fccd0 | 2017-06-13 16:25:45 +0300 | [diff] [blame] | 896 | retval = -EFAULT; |
| 897 | break; |
| 898 | } |
| 899 | break; |
| 900 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 901 | case IPA_IOC_ADD_HDR: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 902 | if (copy_from_user(header, (const void __user *)arg, |
| 903 | sizeof(struct ipa_ioc_add_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 904 | retval = -EFAULT; |
| 905 | break; |
| 906 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 907 | pre_entry = |
| 908 | ((struct ipa_ioc_add_hdr *)header)->num_hdrs; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 909 | pyld_sz = |
| 910 | sizeof(struct ipa_ioc_add_hdr) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 911 | pre_entry * sizeof(struct ipa_hdr_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 912 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 913 | if (!param) { |
| 914 | retval = -ENOMEM; |
| 915 | break; |
| 916 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 917 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 918 | retval = -EFAULT; |
| 919 | break; |
| 920 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 921 | /* add check in case user-space module compromised */ |
| 922 | if (unlikely(((struct ipa_ioc_add_hdr *)param)->num_hdrs |
| 923 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 924 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 925 | ((struct ipa_ioc_add_hdr *)param)->num_hdrs, |
| 926 | pre_entry); |
| 927 | retval = -EFAULT; |
| 928 | break; |
| 929 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 930 | if (ipa3_add_hdr((struct ipa_ioc_add_hdr *)param)) { |
| 931 | retval = -EFAULT; |
| 932 | break; |
| 933 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 934 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 935 | retval = -EFAULT; |
| 936 | break; |
| 937 | } |
| 938 | break; |
| 939 | |
| 940 | case IPA_IOC_DEL_HDR: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 941 | if (copy_from_user(header, (const void __user *)arg, |
| 942 | sizeof(struct ipa_ioc_del_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 943 | retval = -EFAULT; |
| 944 | break; |
| 945 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 946 | pre_entry = |
| 947 | ((struct ipa_ioc_del_hdr *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 948 | pyld_sz = |
| 949 | sizeof(struct ipa_ioc_del_hdr) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 950 | pre_entry * sizeof(struct ipa_hdr_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 951 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 952 | if (!param) { |
| 953 | retval = -ENOMEM; |
| 954 | break; |
| 955 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 956 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 957 | retval = -EFAULT; |
| 958 | break; |
| 959 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 960 | /* add check in case user-space module compromised */ |
| 961 | if (unlikely(((struct ipa_ioc_del_hdr *)param)->num_hdls |
| 962 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 963 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 964 | ((struct ipa_ioc_del_hdr *)param)->num_hdls, |
| 965 | pre_entry); |
| 966 | retval = -EFAULT; |
| 967 | break; |
| 968 | } |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 969 | if (ipa3_del_hdr_by_user((struct ipa_ioc_del_hdr *)param, |
| 970 | true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 971 | retval = -EFAULT; |
| 972 | break; |
| 973 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 974 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 975 | retval = -EFAULT; |
| 976 | break; |
| 977 | } |
| 978 | break; |
| 979 | |
| 980 | case IPA_IOC_ADD_RT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 981 | if (copy_from_user(header, (const void __user *)arg, |
| 982 | sizeof(struct ipa_ioc_add_rt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 983 | retval = -EFAULT; |
| 984 | break; |
| 985 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 986 | pre_entry = |
| 987 | ((struct ipa_ioc_add_rt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 988 | pyld_sz = |
| 989 | sizeof(struct ipa_ioc_add_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 990 | pre_entry * sizeof(struct ipa_rt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 991 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 992 | if (!param) { |
| 993 | retval = -ENOMEM; |
| 994 | break; |
| 995 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 996 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 997 | retval = -EFAULT; |
| 998 | break; |
| 999 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1000 | /* add check in case user-space module compromised */ |
| 1001 | if (unlikely(((struct ipa_ioc_add_rt_rule *)param)->num_rules |
| 1002 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1003 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1004 | ((struct ipa_ioc_add_rt_rule *)param)-> |
| 1005 | num_rules, |
| 1006 | pre_entry); |
| 1007 | retval = -EFAULT; |
| 1008 | break; |
| 1009 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1010 | if (ipa3_add_rt_rule((struct ipa_ioc_add_rt_rule *)param)) { |
| 1011 | retval = -EFAULT; |
| 1012 | break; |
| 1013 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1014 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1015 | retval = -EFAULT; |
| 1016 | break; |
| 1017 | } |
| 1018 | break; |
Mohammed Javid | d0c2a1e | 2017-10-30 15:34:22 +0530 | [diff] [blame] | 1019 | |
| 1020 | case IPA_IOC_ADD_RT_RULE_EXT: |
| 1021 | if (copy_from_user(header, |
| 1022 | (const void __user *)arg, |
| 1023 | sizeof(struct ipa_ioc_add_rt_rule_ext))) { |
| 1024 | retval = -EFAULT; |
| 1025 | break; |
| 1026 | } |
| 1027 | pre_entry = |
| 1028 | ((struct ipa_ioc_add_rt_rule_ext *)header)->num_rules; |
| 1029 | pyld_sz = |
| 1030 | sizeof(struct ipa_ioc_add_rt_rule_ext) + |
| 1031 | pre_entry * sizeof(struct ipa_rt_rule_add_ext); |
| 1032 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1033 | if (!param) { |
| 1034 | retval = -ENOMEM; |
| 1035 | break; |
| 1036 | } |
| 1037 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
| 1038 | retval = -EFAULT; |
| 1039 | break; |
| 1040 | } |
| 1041 | /* add check in case user-space module compromised */ |
| 1042 | if (unlikely( |
| 1043 | ((struct ipa_ioc_add_rt_rule_ext *)param)->num_rules |
| 1044 | != pre_entry)) { |
| 1045 | IPAERR(" prevent memory corruption(%d not match %d)\n", |
| 1046 | ((struct ipa_ioc_add_rt_rule_ext *)param)-> |
| 1047 | num_rules, |
| 1048 | pre_entry); |
| 1049 | retval = -EINVAL; |
| 1050 | break; |
| 1051 | } |
| 1052 | if (ipa3_add_rt_rule_ext( |
| 1053 | (struct ipa_ioc_add_rt_rule_ext *)param)) { |
| 1054 | retval = -EFAULT; |
| 1055 | break; |
| 1056 | } |
| 1057 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
| 1058 | retval = -EFAULT; |
| 1059 | break; |
| 1060 | } |
| 1061 | break; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1062 | case IPA_IOC_ADD_RT_RULE_AFTER: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1063 | if (copy_from_user(header, (const void __user *)arg, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1064 | sizeof(struct ipa_ioc_add_rt_rule_after))) { |
| 1065 | |
| 1066 | retval = -EFAULT; |
| 1067 | break; |
| 1068 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1069 | pre_entry = |
| 1070 | ((struct ipa_ioc_add_rt_rule_after *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1071 | pyld_sz = |
| 1072 | sizeof(struct ipa_ioc_add_rt_rule_after) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1073 | pre_entry * sizeof(struct ipa_rt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1074 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1075 | if (!param) { |
| 1076 | retval = -ENOMEM; |
| 1077 | break; |
| 1078 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1079 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1080 | retval = -EFAULT; |
| 1081 | break; |
| 1082 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1083 | /* add check in case user-space module compromised */ |
| 1084 | if (unlikely(((struct ipa_ioc_add_rt_rule_after *)param)-> |
| 1085 | num_rules != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1086 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1087 | ((struct ipa_ioc_add_rt_rule_after *)param)-> |
| 1088 | num_rules, |
| 1089 | pre_entry); |
| 1090 | retval = -EFAULT; |
| 1091 | break; |
| 1092 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1093 | if (ipa3_add_rt_rule_after( |
| 1094 | (struct ipa_ioc_add_rt_rule_after *)param)) { |
| 1095 | |
| 1096 | retval = -EFAULT; |
| 1097 | break; |
| 1098 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1099 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1100 | retval = -EFAULT; |
| 1101 | break; |
| 1102 | } |
| 1103 | break; |
| 1104 | |
| 1105 | case IPA_IOC_MDFY_RT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1106 | if (copy_from_user(header, (const void __user *)arg, |
| 1107 | sizeof(struct ipa_ioc_mdfy_rt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1108 | retval = -EFAULT; |
| 1109 | break; |
| 1110 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1111 | pre_entry = |
| 1112 | ((struct ipa_ioc_mdfy_rt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1113 | pyld_sz = |
| 1114 | sizeof(struct ipa_ioc_mdfy_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1115 | pre_entry * sizeof(struct ipa_rt_rule_mdfy); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1116 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1117 | if (!param) { |
| 1118 | retval = -ENOMEM; |
| 1119 | break; |
| 1120 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1121 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1122 | retval = -EFAULT; |
| 1123 | break; |
| 1124 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1125 | /* add check in case user-space module compromised */ |
| 1126 | if (unlikely(((struct ipa_ioc_mdfy_rt_rule *)param)->num_rules |
| 1127 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1128 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1129 | ((struct ipa_ioc_mdfy_rt_rule *)param)-> |
| 1130 | num_rules, |
| 1131 | pre_entry); |
| 1132 | retval = -EFAULT; |
| 1133 | break; |
| 1134 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1135 | if (ipa3_mdfy_rt_rule((struct ipa_ioc_mdfy_rt_rule *)param)) { |
| 1136 | retval = -EFAULT; |
| 1137 | break; |
| 1138 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1139 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1140 | retval = -EFAULT; |
| 1141 | break; |
| 1142 | } |
| 1143 | break; |
| 1144 | |
| 1145 | case IPA_IOC_DEL_RT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1146 | if (copy_from_user(header, (const void __user *)arg, |
| 1147 | sizeof(struct ipa_ioc_del_rt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1148 | retval = -EFAULT; |
| 1149 | break; |
| 1150 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1151 | pre_entry = |
| 1152 | ((struct ipa_ioc_del_rt_rule *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1153 | pyld_sz = |
| 1154 | sizeof(struct ipa_ioc_del_rt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1155 | pre_entry * sizeof(struct ipa_rt_rule_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1156 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1157 | if (!param) { |
| 1158 | retval = -ENOMEM; |
| 1159 | break; |
| 1160 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1161 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1162 | retval = -EFAULT; |
| 1163 | break; |
| 1164 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1165 | /* add check in case user-space module compromised */ |
| 1166 | if (unlikely(((struct ipa_ioc_del_rt_rule *)param)->num_hdls |
| 1167 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1168 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1169 | ((struct ipa_ioc_del_rt_rule *)param)->num_hdls, |
| 1170 | pre_entry); |
| 1171 | retval = -EFAULT; |
| 1172 | break; |
| 1173 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1174 | if (ipa3_del_rt_rule((struct ipa_ioc_del_rt_rule *)param)) { |
| 1175 | retval = -EFAULT; |
| 1176 | break; |
| 1177 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1178 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1179 | retval = -EFAULT; |
| 1180 | break; |
| 1181 | } |
| 1182 | break; |
| 1183 | |
| 1184 | case IPA_IOC_ADD_FLT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1185 | if (copy_from_user(header, (const void __user *)arg, |
| 1186 | sizeof(struct ipa_ioc_add_flt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1187 | retval = -EFAULT; |
| 1188 | break; |
| 1189 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1190 | pre_entry = |
| 1191 | ((struct ipa_ioc_add_flt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1192 | pyld_sz = |
| 1193 | sizeof(struct ipa_ioc_add_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1194 | pre_entry * sizeof(struct ipa_flt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1195 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1196 | if (!param) { |
| 1197 | retval = -ENOMEM; |
| 1198 | break; |
| 1199 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1200 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1201 | retval = -EFAULT; |
| 1202 | break; |
| 1203 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1204 | /* add check in case user-space module compromised */ |
| 1205 | if (unlikely(((struct ipa_ioc_add_flt_rule *)param)->num_rules |
| 1206 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1207 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1208 | ((struct ipa_ioc_add_flt_rule *)param)-> |
| 1209 | num_rules, |
| 1210 | pre_entry); |
| 1211 | retval = -EFAULT; |
| 1212 | break; |
| 1213 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1214 | if (ipa3_add_flt_rule((struct ipa_ioc_add_flt_rule *)param)) { |
| 1215 | retval = -EFAULT; |
| 1216 | break; |
| 1217 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1218 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1219 | retval = -EFAULT; |
| 1220 | break; |
| 1221 | } |
| 1222 | break; |
| 1223 | |
| 1224 | case IPA_IOC_ADD_FLT_RULE_AFTER: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1225 | if (copy_from_user(header, (const void __user *)arg, |
| 1226 | sizeof(struct ipa_ioc_add_flt_rule_after))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1227 | |
| 1228 | retval = -EFAULT; |
| 1229 | break; |
| 1230 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1231 | pre_entry = |
| 1232 | ((struct ipa_ioc_add_flt_rule_after *)header)-> |
| 1233 | num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1234 | pyld_sz = |
| 1235 | sizeof(struct ipa_ioc_add_flt_rule_after) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1236 | pre_entry * sizeof(struct ipa_flt_rule_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1237 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1238 | if (!param) { |
| 1239 | retval = -ENOMEM; |
| 1240 | break; |
| 1241 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1242 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1243 | retval = -EFAULT; |
| 1244 | break; |
| 1245 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1246 | /* add check in case user-space module compromised */ |
| 1247 | if (unlikely(((struct ipa_ioc_add_flt_rule_after *)param)-> |
| 1248 | num_rules != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1249 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1250 | ((struct ipa_ioc_add_flt_rule_after *)param)-> |
| 1251 | num_rules, |
| 1252 | pre_entry); |
| 1253 | retval = -EFAULT; |
| 1254 | break; |
| 1255 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1256 | if (ipa3_add_flt_rule_after( |
| 1257 | (struct ipa_ioc_add_flt_rule_after *)param)) { |
| 1258 | retval = -EFAULT; |
| 1259 | break; |
| 1260 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1261 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1262 | retval = -EFAULT; |
| 1263 | break; |
| 1264 | } |
| 1265 | break; |
| 1266 | |
| 1267 | case IPA_IOC_DEL_FLT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1268 | if (copy_from_user(header, (const void __user *)arg, |
| 1269 | sizeof(struct ipa_ioc_del_flt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1270 | retval = -EFAULT; |
| 1271 | break; |
| 1272 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1273 | pre_entry = |
| 1274 | ((struct ipa_ioc_del_flt_rule *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1275 | pyld_sz = |
| 1276 | sizeof(struct ipa_ioc_del_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1277 | pre_entry * sizeof(struct ipa_flt_rule_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1278 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1279 | if (!param) { |
| 1280 | retval = -ENOMEM; |
| 1281 | break; |
| 1282 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1283 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1284 | retval = -EFAULT; |
| 1285 | break; |
| 1286 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1287 | /* add check in case user-space module compromised */ |
| 1288 | if (unlikely(((struct ipa_ioc_del_flt_rule *)param)->num_hdls |
| 1289 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1290 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1291 | ((struct ipa_ioc_del_flt_rule *)param)-> |
| 1292 | num_hdls, |
| 1293 | pre_entry); |
| 1294 | retval = -EFAULT; |
| 1295 | break; |
| 1296 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1297 | if (ipa3_del_flt_rule((struct ipa_ioc_del_flt_rule *)param)) { |
| 1298 | retval = -EFAULT; |
| 1299 | break; |
| 1300 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1301 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1302 | retval = -EFAULT; |
| 1303 | break; |
| 1304 | } |
| 1305 | break; |
| 1306 | |
| 1307 | case IPA_IOC_MDFY_FLT_RULE: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1308 | if (copy_from_user(header, (const void __user *)arg, |
| 1309 | sizeof(struct ipa_ioc_mdfy_flt_rule))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1310 | retval = -EFAULT; |
| 1311 | break; |
| 1312 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1313 | pre_entry = |
| 1314 | ((struct ipa_ioc_mdfy_flt_rule *)header)->num_rules; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1315 | pyld_sz = |
| 1316 | sizeof(struct ipa_ioc_mdfy_flt_rule) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1317 | pre_entry * sizeof(struct ipa_flt_rule_mdfy); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1318 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1319 | if (!param) { |
| 1320 | retval = -ENOMEM; |
| 1321 | break; |
| 1322 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1323 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1324 | retval = -EFAULT; |
| 1325 | break; |
| 1326 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1327 | /* add check in case user-space module compromised */ |
| 1328 | if (unlikely(((struct ipa_ioc_mdfy_flt_rule *)param)->num_rules |
| 1329 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1330 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1331 | ((struct ipa_ioc_mdfy_flt_rule *)param)-> |
| 1332 | num_rules, |
| 1333 | pre_entry); |
| 1334 | retval = -EFAULT; |
| 1335 | break; |
| 1336 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1337 | if (ipa3_mdfy_flt_rule((struct ipa_ioc_mdfy_flt_rule *)param)) { |
| 1338 | retval = -EFAULT; |
| 1339 | break; |
| 1340 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1341 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1342 | retval = -EFAULT; |
| 1343 | break; |
| 1344 | } |
| 1345 | break; |
| 1346 | |
| 1347 | case IPA_IOC_COMMIT_HDR: |
| 1348 | retval = ipa3_commit_hdr(); |
| 1349 | break; |
| 1350 | case IPA_IOC_RESET_HDR: |
| 1351 | retval = ipa3_reset_hdr(); |
| 1352 | break; |
| 1353 | case IPA_IOC_COMMIT_RT: |
| 1354 | retval = ipa3_commit_rt(arg); |
| 1355 | break; |
| 1356 | case IPA_IOC_RESET_RT: |
| 1357 | retval = ipa3_reset_rt(arg); |
| 1358 | break; |
| 1359 | case IPA_IOC_COMMIT_FLT: |
| 1360 | retval = ipa3_commit_flt(arg); |
| 1361 | break; |
| 1362 | case IPA_IOC_RESET_FLT: |
| 1363 | retval = ipa3_reset_flt(arg); |
| 1364 | break; |
| 1365 | case IPA_IOC_GET_RT_TBL: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1366 | if (copy_from_user(header, (const void __user *)arg, |
| 1367 | sizeof(struct ipa_ioc_get_rt_tbl))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1368 | retval = -EFAULT; |
| 1369 | break; |
| 1370 | } |
| 1371 | if (ipa3_get_rt_tbl((struct ipa_ioc_get_rt_tbl *)header)) { |
| 1372 | retval = -EFAULT; |
| 1373 | break; |
| 1374 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1375 | if (copy_to_user((void __user *)arg, header, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1376 | sizeof(struct ipa_ioc_get_rt_tbl))) { |
| 1377 | retval = -EFAULT; |
| 1378 | break; |
| 1379 | } |
| 1380 | break; |
| 1381 | case IPA_IOC_PUT_RT_TBL: |
| 1382 | retval = ipa3_put_rt_tbl(arg); |
| 1383 | break; |
| 1384 | case IPA_IOC_GET_HDR: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1385 | if (copy_from_user(header, (const void __user *)arg, |
| 1386 | sizeof(struct ipa_ioc_get_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1387 | retval = -EFAULT; |
| 1388 | break; |
| 1389 | } |
| 1390 | if (ipa3_get_hdr((struct ipa_ioc_get_hdr *)header)) { |
| 1391 | retval = -EFAULT; |
| 1392 | break; |
| 1393 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1394 | if (copy_to_user((void __user *)arg, header, |
| 1395 | sizeof(struct ipa_ioc_get_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1396 | retval = -EFAULT; |
| 1397 | break; |
| 1398 | } |
| 1399 | break; |
| 1400 | case IPA_IOC_PUT_HDR: |
| 1401 | retval = ipa3_put_hdr(arg); |
| 1402 | break; |
| 1403 | case IPA_IOC_SET_FLT: |
| 1404 | retval = ipa3_cfg_filter(arg); |
| 1405 | break; |
| 1406 | case IPA_IOC_COPY_HDR: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1407 | if (copy_from_user(header, (const void __user *)arg, |
| 1408 | sizeof(struct ipa_ioc_copy_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1409 | retval = -EFAULT; |
| 1410 | break; |
| 1411 | } |
| 1412 | if (ipa3_copy_hdr((struct ipa_ioc_copy_hdr *)header)) { |
| 1413 | retval = -EFAULT; |
| 1414 | break; |
| 1415 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1416 | if (copy_to_user((void __user *)arg, header, |
| 1417 | sizeof(struct ipa_ioc_copy_hdr))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1418 | retval = -EFAULT; |
| 1419 | break; |
| 1420 | } |
| 1421 | break; |
| 1422 | case IPA_IOC_QUERY_INTF: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1423 | if (copy_from_user(header, (const void __user *)arg, |
| 1424 | sizeof(struct ipa_ioc_query_intf))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1425 | retval = -EFAULT; |
| 1426 | break; |
| 1427 | } |
| 1428 | if (ipa3_query_intf((struct ipa_ioc_query_intf *)header)) { |
| 1429 | retval = -1; |
| 1430 | break; |
| 1431 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1432 | if (copy_to_user((void __user *)arg, header, |
| 1433 | sizeof(struct ipa_ioc_query_intf))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1434 | retval = -EFAULT; |
| 1435 | break; |
| 1436 | } |
| 1437 | break; |
| 1438 | case IPA_IOC_QUERY_INTF_TX_PROPS: |
| 1439 | sz = sizeof(struct ipa_ioc_query_intf_tx_props); |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1440 | if (copy_from_user(header, (const void __user *)arg, sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1441 | retval = -EFAULT; |
| 1442 | break; |
| 1443 | } |
| 1444 | |
| 1445 | if (((struct ipa_ioc_query_intf_tx_props *)header)->num_tx_props |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1446 | > IPA_NUM_PROPS_MAX) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1447 | retval = -EFAULT; |
| 1448 | break; |
| 1449 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1450 | pre_entry = |
| 1451 | ((struct ipa_ioc_query_intf_tx_props *) |
| 1452 | header)->num_tx_props; |
| 1453 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1454 | sizeof(struct ipa_ioc_tx_intf_prop); |
| 1455 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1456 | if (!param) { |
| 1457 | retval = -ENOMEM; |
| 1458 | break; |
| 1459 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1460 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1461 | retval = -EFAULT; |
| 1462 | break; |
| 1463 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1464 | /* add check in case user-space module compromised */ |
| 1465 | if (unlikely(((struct ipa_ioc_query_intf_tx_props *) |
| 1466 | param)->num_tx_props |
| 1467 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1468 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1469 | ((struct ipa_ioc_query_intf_tx_props *) |
| 1470 | param)->num_tx_props, pre_entry); |
| 1471 | retval = -EFAULT; |
| 1472 | break; |
| 1473 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1474 | if (ipa3_query_intf_tx_props( |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1475 | (struct ipa_ioc_query_intf_tx_props *)param)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1476 | retval = -1; |
| 1477 | break; |
| 1478 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1479 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1480 | retval = -EFAULT; |
| 1481 | break; |
| 1482 | } |
| 1483 | break; |
| 1484 | case IPA_IOC_QUERY_INTF_RX_PROPS: |
| 1485 | sz = sizeof(struct ipa_ioc_query_intf_rx_props); |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1486 | if (copy_from_user(header, (const void __user *)arg, sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1487 | retval = -EFAULT; |
| 1488 | break; |
| 1489 | } |
| 1490 | |
| 1491 | if (((struct ipa_ioc_query_intf_rx_props *)header)->num_rx_props |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1492 | > IPA_NUM_PROPS_MAX) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1493 | retval = -EFAULT; |
| 1494 | break; |
| 1495 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1496 | pre_entry = |
| 1497 | ((struct ipa_ioc_query_intf_rx_props *) |
| 1498 | header)->num_rx_props; |
| 1499 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1500 | sizeof(struct ipa_ioc_rx_intf_prop); |
| 1501 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1502 | if (!param) { |
| 1503 | retval = -ENOMEM; |
| 1504 | break; |
| 1505 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1506 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1507 | retval = -EFAULT; |
| 1508 | break; |
| 1509 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1510 | /* add check in case user-space module compromised */ |
| 1511 | if (unlikely(((struct ipa_ioc_query_intf_rx_props *) |
| 1512 | param)->num_rx_props != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1513 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1514 | ((struct ipa_ioc_query_intf_rx_props *) |
| 1515 | param)->num_rx_props, pre_entry); |
| 1516 | retval = -EFAULT; |
| 1517 | break; |
| 1518 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1519 | if (ipa3_query_intf_rx_props( |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1520 | (struct ipa_ioc_query_intf_rx_props *)param)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1521 | retval = -1; |
| 1522 | break; |
| 1523 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1524 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1525 | retval = -EFAULT; |
| 1526 | break; |
| 1527 | } |
| 1528 | break; |
| 1529 | case IPA_IOC_QUERY_INTF_EXT_PROPS: |
| 1530 | sz = sizeof(struct ipa_ioc_query_intf_ext_props); |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1531 | if (copy_from_user(header, (const void __user *)arg, sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1532 | retval = -EFAULT; |
| 1533 | break; |
| 1534 | } |
| 1535 | |
| 1536 | if (((struct ipa_ioc_query_intf_ext_props *) |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1537 | header)->num_ext_props > IPA_NUM_PROPS_MAX) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1538 | retval = -EFAULT; |
| 1539 | break; |
| 1540 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1541 | pre_entry = |
| 1542 | ((struct ipa_ioc_query_intf_ext_props *) |
| 1543 | header)->num_ext_props; |
| 1544 | pyld_sz = sz + pre_entry * |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1545 | sizeof(struct ipa_ioc_ext_intf_prop); |
| 1546 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1547 | if (!param) { |
| 1548 | retval = -ENOMEM; |
| 1549 | break; |
| 1550 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1551 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1552 | retval = -EFAULT; |
| 1553 | break; |
| 1554 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1555 | /* add check in case user-space module compromised */ |
| 1556 | if (unlikely(((struct ipa_ioc_query_intf_ext_props *) |
| 1557 | param)->num_ext_props != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1558 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1559 | ((struct ipa_ioc_query_intf_ext_props *) |
| 1560 | param)->num_ext_props, pre_entry); |
| 1561 | retval = -EFAULT; |
| 1562 | break; |
| 1563 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1564 | if (ipa3_query_intf_ext_props( |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1565 | (struct ipa_ioc_query_intf_ext_props *)param)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1566 | retval = -1; |
| 1567 | break; |
| 1568 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1569 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1570 | retval = -EFAULT; |
| 1571 | break; |
| 1572 | } |
| 1573 | break; |
| 1574 | case IPA_IOC_PULL_MSG: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1575 | if (copy_from_user(header, (const void __user *)arg, |
| 1576 | sizeof(struct ipa_msg_meta))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1577 | retval = -EFAULT; |
| 1578 | break; |
| 1579 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1580 | pre_entry = |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1581 | ((struct ipa_msg_meta *)header)->msg_len; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1582 | pyld_sz = sizeof(struct ipa_msg_meta) + |
| 1583 | pre_entry; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1584 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1585 | if (!param) { |
| 1586 | retval = -ENOMEM; |
| 1587 | break; |
| 1588 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1589 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1590 | retval = -EFAULT; |
| 1591 | break; |
| 1592 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1593 | /* add check in case user-space module compromised */ |
| 1594 | if (unlikely(((struct ipa_msg_meta *)param)->msg_len |
| 1595 | != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1596 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1597 | ((struct ipa_msg_meta *)param)->msg_len, |
| 1598 | pre_entry); |
| 1599 | retval = -EFAULT; |
| 1600 | break; |
| 1601 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1602 | if (ipa3_pull_msg((struct ipa_msg_meta *)param, |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1603 | (char *)param + sizeof(struct ipa_msg_meta), |
| 1604 | ((struct ipa_msg_meta *)param)->msg_len) != |
| 1605 | ((struct ipa_msg_meta *)param)->msg_len) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1606 | retval = -1; |
| 1607 | break; |
| 1608 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1609 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1610 | retval = -EFAULT; |
| 1611 | break; |
| 1612 | } |
| 1613 | break; |
| 1614 | case IPA_IOC_RM_ADD_DEPENDENCY: |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 1615 | /* deprecate if IPA PM is used */ |
| 1616 | if (ipa3_ctx->use_ipa_pm) |
| 1617 | return 0; |
| 1618 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1619 | if (copy_from_user(&rm_depend, (const void __user *)arg, |
| 1620 | sizeof(struct ipa_ioc_rm_dependency))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1621 | retval = -EFAULT; |
| 1622 | break; |
| 1623 | } |
| 1624 | retval = ipa_rm_add_dependency_from_ioctl( |
| 1625 | rm_depend.resource_name, rm_depend.depends_on_name); |
| 1626 | break; |
| 1627 | case IPA_IOC_RM_DEL_DEPENDENCY: |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 1628 | /* deprecate if IPA PM is used */ |
| 1629 | if (ipa3_ctx->use_ipa_pm) |
| 1630 | return 0; |
| 1631 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1632 | if (copy_from_user(&rm_depend, (const void __user *)arg, |
| 1633 | sizeof(struct ipa_ioc_rm_dependency))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1634 | retval = -EFAULT; |
| 1635 | break; |
| 1636 | } |
| 1637 | retval = ipa_rm_delete_dependency_from_ioctl( |
| 1638 | rm_depend.resource_name, rm_depend.depends_on_name); |
| 1639 | break; |
| 1640 | case IPA_IOC_GENERATE_FLT_EQ: |
| 1641 | { |
| 1642 | struct ipa_ioc_generate_flt_eq flt_eq; |
| 1643 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1644 | if (copy_from_user(&flt_eq, (const void __user *)arg, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1645 | sizeof(struct ipa_ioc_generate_flt_eq))) { |
| 1646 | retval = -EFAULT; |
| 1647 | break; |
| 1648 | } |
| 1649 | if (ipahal_flt_generate_equation(flt_eq.ip, |
| 1650 | &flt_eq.attrib, &flt_eq.eq_attrib)) { |
| 1651 | retval = -EFAULT; |
| 1652 | break; |
| 1653 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1654 | if (copy_to_user((void __user *)arg, &flt_eq, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1655 | sizeof(struct ipa_ioc_generate_flt_eq))) { |
| 1656 | retval = -EFAULT; |
| 1657 | break; |
| 1658 | } |
| 1659 | break; |
| 1660 | } |
| 1661 | case IPA_IOC_QUERY_EP_MAPPING: |
| 1662 | { |
| 1663 | retval = ipa3_get_ep_mapping(arg); |
| 1664 | break; |
| 1665 | } |
| 1666 | case IPA_IOC_QUERY_RT_TBL_INDEX: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1667 | if (copy_from_user(header, (const void __user *)arg, |
| 1668 | sizeof(struct ipa_ioc_get_rt_tbl_indx))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1669 | retval = -EFAULT; |
| 1670 | break; |
| 1671 | } |
| 1672 | if (ipa3_query_rt_index( |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1673 | (struct ipa_ioc_get_rt_tbl_indx *)header)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1674 | retval = -EFAULT; |
| 1675 | break; |
| 1676 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1677 | if (copy_to_user((void __user *)arg, header, |
| 1678 | sizeof(struct ipa_ioc_get_rt_tbl_indx))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1679 | retval = -EFAULT; |
| 1680 | break; |
| 1681 | } |
| 1682 | break; |
| 1683 | case IPA_IOC_WRITE_QMAPID: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1684 | if (copy_from_user(header, (const void __user *)arg, |
| 1685 | sizeof(struct ipa_ioc_write_qmapid))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1686 | retval = -EFAULT; |
| 1687 | break; |
| 1688 | } |
| 1689 | if (ipa3_write_qmap_id((struct ipa_ioc_write_qmapid *)header)) { |
| 1690 | retval = -EFAULT; |
| 1691 | break; |
| 1692 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1693 | if (copy_to_user((void __user *)arg, header, |
| 1694 | sizeof(struct ipa_ioc_write_qmapid))) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1695 | retval = -EFAULT; |
| 1696 | break; |
| 1697 | } |
| 1698 | break; |
| 1699 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD: |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 1700 | retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_ADD, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1701 | if (retval) { |
| 1702 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1703 | break; |
| 1704 | } |
| 1705 | break; |
| 1706 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL: |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 1707 | retval = ipa3_send_wan_msg(arg, WAN_UPSTREAM_ROUTE_DEL, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1708 | if (retval) { |
| 1709 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1710 | break; |
| 1711 | } |
| 1712 | break; |
| 1713 | case IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED: |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 1714 | retval = ipa3_send_wan_msg(arg, WAN_EMBMS_CONNECT, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1715 | if (retval) { |
| 1716 | IPAERR("ipa3_send_wan_msg failed: %d\n", retval); |
| 1717 | break; |
| 1718 | } |
| 1719 | break; |
| 1720 | case IPA_IOC_ADD_HDR_PROC_CTX: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1721 | if (copy_from_user(header, (const void __user *)arg, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1722 | sizeof(struct ipa_ioc_add_hdr_proc_ctx))) { |
| 1723 | retval = -EFAULT; |
| 1724 | break; |
| 1725 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1726 | pre_entry = |
| 1727 | ((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1728 | header)->num_proc_ctxs; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1729 | pyld_sz = |
| 1730 | sizeof(struct ipa_ioc_add_hdr_proc_ctx) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1731 | pre_entry * sizeof(struct ipa_hdr_proc_ctx_add); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1732 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1733 | if (!param) { |
| 1734 | retval = -ENOMEM; |
| 1735 | break; |
| 1736 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1737 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1738 | retval = -EFAULT; |
| 1739 | break; |
| 1740 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1741 | /* add check in case user-space module compromised */ |
| 1742 | if (unlikely(((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1743 | param)->num_proc_ctxs != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1744 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1745 | ((struct ipa_ioc_add_hdr_proc_ctx *) |
| 1746 | param)->num_proc_ctxs, pre_entry); |
| 1747 | retval = -EFAULT; |
| 1748 | break; |
| 1749 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1750 | if (ipa3_add_hdr_proc_ctx( |
| 1751 | (struct ipa_ioc_add_hdr_proc_ctx *)param)) { |
| 1752 | retval = -EFAULT; |
| 1753 | break; |
| 1754 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1755 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1756 | retval = -EFAULT; |
| 1757 | break; |
| 1758 | } |
| 1759 | break; |
| 1760 | case IPA_IOC_DEL_HDR_PROC_CTX: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1761 | if (copy_from_user(header, (const void __user *)arg, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1762 | sizeof(struct ipa_ioc_del_hdr_proc_ctx))) { |
| 1763 | retval = -EFAULT; |
| 1764 | break; |
| 1765 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1766 | pre_entry = |
| 1767 | ((struct ipa_ioc_del_hdr_proc_ctx *)header)->num_hdls; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1768 | pyld_sz = |
| 1769 | sizeof(struct ipa_ioc_del_hdr_proc_ctx) + |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1770 | pre_entry * sizeof(struct ipa_hdr_proc_ctx_del); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1771 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1772 | if (!param) { |
| 1773 | retval = -ENOMEM; |
| 1774 | break; |
| 1775 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1776 | if (copy_from_user(param, (const void __user *)arg, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1777 | retval = -EFAULT; |
| 1778 | break; |
| 1779 | } |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1780 | /* add check in case user-space module compromised */ |
| 1781 | if (unlikely(((struct ipa_ioc_del_hdr_proc_ctx *) |
| 1782 | param)->num_hdls != pre_entry)) { |
Utkarsh Saxena | e978281 | 2017-05-26 17:20:32 +0530 | [diff] [blame] | 1783 | IPAERR_RL("current %d pre %d\n", |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 1784 | ((struct ipa_ioc_del_hdr_proc_ctx *)param)-> |
| 1785 | num_hdls, |
| 1786 | pre_entry); |
| 1787 | retval = -EFAULT; |
| 1788 | break; |
| 1789 | } |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 1790 | if (ipa3_del_hdr_proc_ctx_by_user( |
| 1791 | (struct ipa_ioc_del_hdr_proc_ctx *)param, true)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1792 | retval = -EFAULT; |
| 1793 | break; |
| 1794 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1795 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1796 | retval = -EFAULT; |
| 1797 | break; |
| 1798 | } |
| 1799 | break; |
| 1800 | |
| 1801 | case IPA_IOC_GET_HW_VERSION: |
| 1802 | pyld_sz = sizeof(enum ipa_hw_type); |
| 1803 | param = kzalloc(pyld_sz, GFP_KERNEL); |
| 1804 | if (!param) { |
| 1805 | retval = -ENOMEM; |
| 1806 | break; |
| 1807 | } |
| 1808 | memcpy(param, &ipa3_ctx->ipa_hw_type, pyld_sz); |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1809 | if (copy_to_user((void __user *)arg, param, pyld_sz)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1810 | retval = -EFAULT; |
| 1811 | break; |
| 1812 | } |
| 1813 | break; |
| 1814 | |
Shihuan Liu | c3174f5 | 2017-05-04 15:59:13 -0700 | [diff] [blame] | 1815 | case IPA_IOC_ADD_VLAN_IFACE: |
| 1816 | if (ipa3_send_vlan_l2tp_msg(arg, ADD_VLAN_IFACE)) { |
| 1817 | retval = -EFAULT; |
| 1818 | break; |
| 1819 | } |
| 1820 | break; |
| 1821 | |
| 1822 | case IPA_IOC_DEL_VLAN_IFACE: |
| 1823 | if (ipa3_send_vlan_l2tp_msg(arg, DEL_VLAN_IFACE)) { |
| 1824 | retval = -EFAULT; |
| 1825 | break; |
| 1826 | } |
| 1827 | break; |
| 1828 | |
| 1829 | case IPA_IOC_ADD_L2TP_VLAN_MAPPING: |
| 1830 | if (ipa3_send_vlan_l2tp_msg(arg, ADD_L2TP_VLAN_MAPPING)) { |
| 1831 | retval = -EFAULT; |
| 1832 | break; |
| 1833 | } |
| 1834 | break; |
| 1835 | |
| 1836 | case IPA_IOC_DEL_L2TP_VLAN_MAPPING: |
| 1837 | if (ipa3_send_vlan_l2tp_msg(arg, DEL_L2TP_VLAN_MAPPING)) { |
| 1838 | retval = -EFAULT; |
| 1839 | break; |
| 1840 | } |
| 1841 | break; |
| 1842 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1843 | default: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1844 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1845 | return -ENOTTY; |
| 1846 | } |
| 1847 | kfree(param); |
| 1848 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 1849 | |
| 1850 | return retval; |
| 1851 | } |
| 1852 | |
| 1853 | /** |
| 1854 | * ipa3_setup_dflt_rt_tables() - Setup default routing tables |
| 1855 | * |
| 1856 | * Return codes: |
| 1857 | * 0: success |
| 1858 | * -ENOMEM: failed to allocate memory |
| 1859 | * -EPERM: failed to add the tables |
| 1860 | */ |
| 1861 | int ipa3_setup_dflt_rt_tables(void) |
| 1862 | { |
| 1863 | struct ipa_ioc_add_rt_rule *rt_rule; |
| 1864 | struct ipa_rt_rule_add *rt_rule_entry; |
| 1865 | |
| 1866 | rt_rule = |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1867 | kzalloc(sizeof(struct ipa_ioc_add_rt_rule) + 1 * |
| 1868 | sizeof(struct ipa_rt_rule_add), GFP_KERNEL); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1869 | if (!rt_rule) { |
| 1870 | IPAERR("fail to alloc mem\n"); |
| 1871 | return -ENOMEM; |
| 1872 | } |
| 1873 | /* setup a default v4 route to point to Apps */ |
| 1874 | rt_rule->num_rules = 1; |
| 1875 | rt_rule->commit = 1; |
| 1876 | rt_rule->ip = IPA_IP_v4; |
| 1877 | strlcpy(rt_rule->rt_tbl_name, IPA_DFLT_RT_TBL_NAME, |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 1878 | IPA_RESOURCE_NAME_MAX); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 1879 | |
| 1880 | rt_rule_entry = &rt_rule->rules[0]; |
| 1881 | rt_rule_entry->at_rear = 1; |
| 1882 | rt_rule_entry->rule.dst = IPA_CLIENT_APPS_LAN_CONS; |
| 1883 | rt_rule_entry->rule.hdr_hdl = ipa3_ctx->excp_hdr_hdl; |
| 1884 | rt_rule_entry->rule.retain_hdr = 1; |
| 1885 | |
| 1886 | if (ipa3_add_rt_rule(rt_rule)) { |
| 1887 | IPAERR("fail to add dflt v4 rule\n"); |
| 1888 | kfree(rt_rule); |
| 1889 | return -EPERM; |
| 1890 | } |
| 1891 | IPADBG("dflt v4 rt rule hdl=%x\n", rt_rule_entry->rt_rule_hdl); |
| 1892 | ipa3_ctx->dflt_v4_rt_rule_hdl = rt_rule_entry->rt_rule_hdl; |
| 1893 | |
| 1894 | /* setup a default v6 route to point to A5 */ |
| 1895 | rt_rule->ip = IPA_IP_v6; |
| 1896 | if (ipa3_add_rt_rule(rt_rule)) { |
| 1897 | IPAERR("fail to add dflt v6 rule\n"); |
| 1898 | kfree(rt_rule); |
| 1899 | return -EPERM; |
| 1900 | } |
| 1901 | IPADBG("dflt v6 rt rule hdl=%x\n", rt_rule_entry->rt_rule_hdl); |
| 1902 | ipa3_ctx->dflt_v6_rt_rule_hdl = rt_rule_entry->rt_rule_hdl; |
| 1903 | |
| 1904 | /* |
| 1905 | * because these tables are the very first to be added, they will both |
| 1906 | * have the same index (0) which is essential for programming the |
| 1907 | * "route" end-point config |
| 1908 | */ |
| 1909 | |
| 1910 | kfree(rt_rule); |
| 1911 | |
| 1912 | return 0; |
| 1913 | } |
| 1914 | |
| 1915 | static int ipa3_setup_exception_path(void) |
| 1916 | { |
| 1917 | struct ipa_ioc_add_hdr *hdr; |
| 1918 | struct ipa_hdr_add *hdr_entry; |
| 1919 | struct ipahal_reg_route route = { 0 }; |
| 1920 | int ret; |
| 1921 | |
| 1922 | /* install the basic exception header */ |
| 1923 | hdr = kzalloc(sizeof(struct ipa_ioc_add_hdr) + 1 * |
| 1924 | sizeof(struct ipa_hdr_add), GFP_KERNEL); |
| 1925 | if (!hdr) { |
| 1926 | IPAERR("fail to alloc exception hdr\n"); |
| 1927 | return -ENOMEM; |
| 1928 | } |
| 1929 | hdr->num_hdrs = 1; |
| 1930 | hdr->commit = 1; |
| 1931 | hdr_entry = &hdr->hdr[0]; |
| 1932 | |
| 1933 | strlcpy(hdr_entry->name, IPA_LAN_RX_HDR_NAME, IPA_RESOURCE_NAME_MAX); |
| 1934 | hdr_entry->hdr_len = IPA_LAN_RX_HEADER_LENGTH; |
| 1935 | |
| 1936 | if (ipa3_add_hdr(hdr)) { |
| 1937 | IPAERR("fail to add exception hdr\n"); |
| 1938 | ret = -EPERM; |
| 1939 | goto bail; |
| 1940 | } |
| 1941 | |
| 1942 | if (hdr_entry->status) { |
| 1943 | IPAERR("fail to add exception hdr\n"); |
| 1944 | ret = -EPERM; |
| 1945 | goto bail; |
| 1946 | } |
| 1947 | |
| 1948 | ipa3_ctx->excp_hdr_hdl = hdr_entry->hdr_hdl; |
| 1949 | |
| 1950 | /* set the route register to pass exception packets to Apps */ |
| 1951 | route.route_def_pipe = ipa3_get_ep_mapping(IPA_CLIENT_APPS_LAN_CONS); |
| 1952 | route.route_frag_def_pipe = ipa3_get_ep_mapping( |
| 1953 | IPA_CLIENT_APPS_LAN_CONS); |
| 1954 | route.route_def_hdr_table = !ipa3_ctx->hdr_tbl_lcl; |
| 1955 | route.route_def_retain_hdr = 1; |
| 1956 | |
| 1957 | if (ipa3_cfg_route(&route)) { |
| 1958 | IPAERR("fail to add exception hdr\n"); |
| 1959 | ret = -EPERM; |
| 1960 | goto bail; |
| 1961 | } |
| 1962 | |
| 1963 | ret = 0; |
| 1964 | bail: |
| 1965 | kfree(hdr); |
| 1966 | return ret; |
| 1967 | } |
| 1968 | |
| 1969 | static int ipa3_init_smem_region(int memory_region_size, |
| 1970 | int memory_region_offset) |
| 1971 | { |
| 1972 | struct ipahal_imm_cmd_dma_shared_mem cmd; |
| 1973 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 1974 | struct ipa3_desc desc; |
| 1975 | struct ipa_mem_buffer mem; |
| 1976 | int rc; |
| 1977 | |
| 1978 | if (memory_region_size == 0) |
| 1979 | return 0; |
| 1980 | |
| 1981 | memset(&desc, 0, sizeof(desc)); |
| 1982 | memset(&cmd, 0, sizeof(cmd)); |
| 1983 | memset(&mem, 0, sizeof(mem)); |
| 1984 | |
| 1985 | mem.size = memory_region_size; |
| 1986 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, |
| 1987 | &mem.phys_base, GFP_KERNEL); |
| 1988 | if (!mem.base) { |
| 1989 | IPAERR("failed to alloc DMA buff of size %d\n", mem.size); |
| 1990 | return -ENOMEM; |
| 1991 | } |
| 1992 | |
| 1993 | memset(mem.base, 0, mem.size); |
| 1994 | cmd.is_read = false; |
| 1995 | cmd.skip_pipeline_clear = false; |
| 1996 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 1997 | cmd.size = mem.size; |
| 1998 | cmd.system_addr = mem.phys_base; |
| 1999 | cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2000 | memory_region_offset; |
| 2001 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2002 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 2003 | if (!cmd_pyld) { |
| 2004 | IPAERR("failed to construct dma_shared_mem imm cmd\n"); |
| 2005 | return -ENOMEM; |
| 2006 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2007 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2008 | |
| 2009 | rc = ipa3_send_cmd(1, &desc); |
| 2010 | if (rc) { |
| 2011 | IPAERR("failed to send immediate command (error %d)\n", rc); |
| 2012 | rc = -EFAULT; |
| 2013 | } |
| 2014 | |
| 2015 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2016 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, |
| 2017 | mem.phys_base); |
| 2018 | |
| 2019 | return rc; |
| 2020 | } |
| 2021 | |
| 2022 | /** |
| 2023 | * ipa3_init_q6_smem() - Initialize Q6 general memory and |
| 2024 | * header memory regions in IPA. |
| 2025 | * |
| 2026 | * Return codes: |
| 2027 | * 0: success |
| 2028 | * -ENOMEM: failed to allocate dma memory |
| 2029 | * -EFAULT: failed to send IPA command to initialize the memory |
| 2030 | */ |
| 2031 | int ipa3_init_q6_smem(void) |
| 2032 | { |
| 2033 | int rc; |
| 2034 | |
| 2035 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2036 | |
| 2037 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_size), |
| 2038 | IPA_MEM_PART(modem_ofst)); |
| 2039 | if (rc) { |
| 2040 | IPAERR("failed to initialize Modem RAM memory\n"); |
| 2041 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2042 | return rc; |
| 2043 | } |
| 2044 | |
| 2045 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_hdr_size), |
| 2046 | IPA_MEM_PART(modem_hdr_ofst)); |
| 2047 | if (rc) { |
| 2048 | IPAERR("failed to initialize Modem HDRs RAM memory\n"); |
| 2049 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2050 | return rc; |
| 2051 | } |
| 2052 | |
| 2053 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_hdr_proc_ctx_size), |
| 2054 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst)); |
| 2055 | if (rc) { |
| 2056 | IPAERR("failed to initialize Modem proc ctx RAM memory\n"); |
| 2057 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2058 | return rc; |
| 2059 | } |
| 2060 | |
| 2061 | rc = ipa3_init_smem_region(IPA_MEM_PART(modem_comp_decomp_size), |
| 2062 | IPA_MEM_PART(modem_comp_decomp_ofst)); |
| 2063 | if (rc) { |
| 2064 | IPAERR("failed to initialize Modem Comp/Decomp RAM memory\n"); |
| 2065 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2066 | return rc; |
| 2067 | } |
| 2068 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2069 | |
| 2070 | return rc; |
| 2071 | } |
| 2072 | |
| 2073 | static void ipa3_destroy_imm(void *user1, int user2) |
| 2074 | { |
| 2075 | ipahal_destroy_imm_cmd(user1); |
| 2076 | } |
| 2077 | |
| 2078 | static void ipa3_q6_pipe_delay(bool delay) |
| 2079 | { |
| 2080 | int client_idx; |
| 2081 | int ep_idx; |
| 2082 | struct ipa_ep_cfg_ctrl ep_ctrl; |
| 2083 | |
| 2084 | memset(&ep_ctrl, 0, sizeof(struct ipa_ep_cfg_ctrl)); |
| 2085 | ep_ctrl.ipa_ep_delay = delay; |
| 2086 | |
| 2087 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 2088 | if (IPA_CLIENT_IS_Q6_PROD(client_idx)) { |
| 2089 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2090 | if (ep_idx == -1) |
| 2091 | continue; |
| 2092 | |
| 2093 | ipahal_write_reg_n_fields(IPA_ENDP_INIT_CTRL_n, |
| 2094 | ep_idx, &ep_ctrl); |
| 2095 | } |
| 2096 | } |
| 2097 | } |
| 2098 | |
| 2099 | static void ipa3_q6_avoid_holb(void) |
| 2100 | { |
| 2101 | int ep_idx; |
| 2102 | int client_idx; |
| 2103 | struct ipa_ep_cfg_ctrl ep_suspend; |
| 2104 | struct ipa_ep_cfg_holb ep_holb; |
| 2105 | |
| 2106 | memset(&ep_suspend, 0, sizeof(ep_suspend)); |
| 2107 | memset(&ep_holb, 0, sizeof(ep_holb)); |
| 2108 | |
| 2109 | ep_suspend.ipa_ep_suspend = true; |
| 2110 | ep_holb.tmr_val = 0; |
| 2111 | ep_holb.en = 1; |
| 2112 | |
| 2113 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 2114 | if (IPA_CLIENT_IS_Q6_CONS(client_idx)) { |
| 2115 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2116 | if (ep_idx == -1) |
| 2117 | continue; |
| 2118 | |
Skylar Chang | de679dc | 2017-11-21 10:11:34 -0800 | [diff] [blame] | 2119 | /* from IPA 4.0 pipe suspend is not supported */ |
| 2120 | if (ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) |
| 2121 | ipahal_write_reg_n_fields( |
| 2122 | IPA_ENDP_INIT_CTRL_n, |
| 2123 | ep_idx, &ep_suspend); |
| 2124 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2125 | /* |
| 2126 | * ipa3_cfg_ep_holb is not used here because we are |
| 2127 | * setting HOLB on Q6 pipes, and from APPS perspective |
| 2128 | * they are not valid, therefore, the above function |
| 2129 | * will fail. |
| 2130 | */ |
| 2131 | ipahal_write_reg_n_fields( |
| 2132 | IPA_ENDP_INIT_HOL_BLOCK_TIMER_n, |
| 2133 | ep_idx, &ep_holb); |
| 2134 | ipahal_write_reg_n_fields( |
| 2135 | IPA_ENDP_INIT_HOL_BLOCK_EN_n, |
| 2136 | ep_idx, &ep_holb); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2137 | } |
| 2138 | } |
| 2139 | } |
| 2140 | |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2141 | static void ipa3_halt_q6_cons_gsi_channels(void) |
| 2142 | { |
| 2143 | int ep_idx; |
| 2144 | int client_idx; |
| 2145 | const struct ipa_gsi_ep_config *gsi_ep_cfg; |
Michael Adisumarta | f01e9fd | 2017-08-31 12:23:51 -0700 | [diff] [blame] | 2146 | int i; |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2147 | int ret; |
| 2148 | int code = 0; |
| 2149 | |
| 2150 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 2151 | if (IPA_CLIENT_IS_Q6_CONS(client_idx)) { |
| 2152 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2153 | if (ep_idx == -1) |
| 2154 | continue; |
| 2155 | |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2156 | gsi_ep_cfg = ipa3_get_gsi_ep_info(client_idx); |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2157 | if (!gsi_ep_cfg) { |
| 2158 | IPAERR("failed to get GSI config\n"); |
| 2159 | ipa_assert(); |
| 2160 | return; |
| 2161 | } |
| 2162 | |
| 2163 | ret = gsi_halt_channel_ee( |
| 2164 | gsi_ep_cfg->ipa_gsi_chan_num, gsi_ep_cfg->ee, |
| 2165 | &code); |
Michael Adisumarta | f01e9fd | 2017-08-31 12:23:51 -0700 | [diff] [blame] | 2166 | for (i = 0; i < IPA_GSI_CHANNEL_STOP_MAX_RETRY && |
| 2167 | ret == -GSI_STATUS_AGAIN; i++) { |
| 2168 | IPADBG( |
| 2169 | "ch %d ee %d with code %d\n is busy try again", |
| 2170 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2171 | gsi_ep_cfg->ee, |
| 2172 | code); |
| 2173 | usleep_range(IPA_GSI_CHANNEL_HALT_MIN_SLEEP, |
| 2174 | IPA_GSI_CHANNEL_HALT_MAX_SLEEP); |
| 2175 | ret = gsi_halt_channel_ee( |
| 2176 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2177 | gsi_ep_cfg->ee, &code); |
| 2178 | } |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2179 | if (ret == GSI_STATUS_SUCCESS) |
| 2180 | IPADBG("halted gsi ch %d ee %d with code %d\n", |
| 2181 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2182 | gsi_ep_cfg->ee, |
| 2183 | code); |
| 2184 | else |
| 2185 | IPAERR("failed to halt ch %d ee %d code %d\n", |
| 2186 | gsi_ep_cfg->ipa_gsi_chan_num, |
| 2187 | gsi_ep_cfg->ee, |
| 2188 | code); |
| 2189 | } |
| 2190 | } |
| 2191 | } |
| 2192 | |
| 2193 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2194 | static int ipa3_q6_clean_q6_flt_tbls(enum ipa_ip_type ip, |
| 2195 | enum ipa_rule_type rlt) |
| 2196 | { |
| 2197 | struct ipa3_desc *desc; |
| 2198 | struct ipahal_imm_cmd_dma_shared_mem cmd = {0}; |
| 2199 | struct ipahal_imm_cmd_pyld **cmd_pyld; |
| 2200 | int retval = 0; |
| 2201 | int pipe_idx; |
| 2202 | int flt_idx = 0; |
| 2203 | int num_cmds = 0; |
| 2204 | int index; |
| 2205 | u32 lcl_addr_mem_part; |
| 2206 | u32 lcl_hdr_sz; |
| 2207 | struct ipa_mem_buffer mem; |
| 2208 | |
| 2209 | IPADBG("Entry\n"); |
| 2210 | |
| 2211 | if ((ip >= IPA_IP_MAX) || (rlt >= IPA_RULE_TYPE_MAX)) { |
| 2212 | IPAERR("Input Err: ip=%d ; rlt=%d\n", ip, rlt); |
| 2213 | return -EINVAL; |
| 2214 | } |
| 2215 | |
| 2216 | /* Up to filtering pipes we have filtering tables */ |
| 2217 | desc = kcalloc(ipa3_ctx->ep_flt_num, sizeof(struct ipa3_desc), |
| 2218 | GFP_KERNEL); |
| 2219 | if (!desc) { |
| 2220 | IPAERR("failed to allocate memory\n"); |
| 2221 | return -ENOMEM; |
| 2222 | } |
| 2223 | |
| 2224 | cmd_pyld = kcalloc(ipa3_ctx->ep_flt_num, |
| 2225 | sizeof(struct ipahal_imm_cmd_pyld *), GFP_KERNEL); |
| 2226 | if (!cmd_pyld) { |
| 2227 | IPAERR("failed to allocate memory\n"); |
| 2228 | retval = -ENOMEM; |
| 2229 | goto free_desc; |
| 2230 | } |
| 2231 | |
| 2232 | if (ip == IPA_IP_v4) { |
| 2233 | if (rlt == IPA_RULE_HASHABLE) { |
| 2234 | lcl_addr_mem_part = IPA_MEM_PART(v4_flt_hash_ofst); |
| 2235 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_hash_size); |
| 2236 | } else { |
| 2237 | lcl_addr_mem_part = IPA_MEM_PART(v4_flt_nhash_ofst); |
| 2238 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_nhash_size); |
| 2239 | } |
| 2240 | } else { |
| 2241 | if (rlt == IPA_RULE_HASHABLE) { |
| 2242 | lcl_addr_mem_part = IPA_MEM_PART(v6_flt_hash_ofst); |
| 2243 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_hash_size); |
| 2244 | } else { |
| 2245 | lcl_addr_mem_part = IPA_MEM_PART(v6_flt_nhash_ofst); |
| 2246 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_nhash_size); |
| 2247 | } |
| 2248 | } |
| 2249 | |
| 2250 | 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] | 2251 | 0, &mem, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2252 | if (retval) { |
| 2253 | IPAERR("failed to generate flt single tbl empty img\n"); |
| 2254 | goto free_cmd_pyld; |
| 2255 | } |
| 2256 | |
| 2257 | for (pipe_idx = 0; pipe_idx < ipa3_ctx->ipa_num_pipes; pipe_idx++) { |
| 2258 | if (!ipa_is_ep_support_flt(pipe_idx)) |
| 2259 | continue; |
| 2260 | |
| 2261 | /* |
| 2262 | * Iterating over all the filtering pipes which are either |
| 2263 | * invalid but connected or connected but not configured by AP. |
| 2264 | */ |
| 2265 | if (!ipa3_ctx->ep[pipe_idx].valid || |
| 2266 | ipa3_ctx->ep[pipe_idx].skip_ep_cfg) { |
| 2267 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2268 | if (num_cmds >= ipa3_ctx->ep_flt_num) { |
| 2269 | IPAERR("number of commands is out of range\n"); |
| 2270 | retval = -ENOBUFS; |
| 2271 | goto free_empty_img; |
| 2272 | } |
| 2273 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2274 | cmd.is_read = false; |
| 2275 | cmd.skip_pipeline_clear = false; |
| 2276 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2277 | cmd.size = mem.size; |
| 2278 | cmd.system_addr = mem.phys_base; |
| 2279 | cmd.local_addr = |
| 2280 | ipa3_ctx->smem_restricted_bytes + |
| 2281 | lcl_addr_mem_part + |
| 2282 | ipahal_get_hw_tbl_hdr_width() + |
| 2283 | flt_idx * ipahal_get_hw_tbl_hdr_width(); |
| 2284 | cmd_pyld[num_cmds] = ipahal_construct_imm_cmd( |
| 2285 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 2286 | if (!cmd_pyld[num_cmds]) { |
| 2287 | IPAERR("fail construct dma_shared_mem cmd\n"); |
| 2288 | retval = -ENOMEM; |
| 2289 | goto free_empty_img; |
| 2290 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2291 | ipa3_init_imm_cmd_desc(&desc[num_cmds], |
| 2292 | cmd_pyld[num_cmds]); |
| 2293 | ++num_cmds; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2294 | } |
| 2295 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2296 | ++flt_idx; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2297 | } |
| 2298 | |
| 2299 | IPADBG("Sending %d descriptors for flt tbl clearing\n", num_cmds); |
| 2300 | retval = ipa3_send_cmd(num_cmds, desc); |
| 2301 | if (retval) { |
| 2302 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2303 | retval = -EFAULT; |
| 2304 | } |
| 2305 | |
| 2306 | free_empty_img: |
| 2307 | ipahal_free_dma_mem(&mem); |
| 2308 | free_cmd_pyld: |
| 2309 | for (index = 0; index < num_cmds; index++) |
| 2310 | ipahal_destroy_imm_cmd(cmd_pyld[index]); |
| 2311 | kfree(cmd_pyld); |
| 2312 | free_desc: |
| 2313 | kfree(desc); |
| 2314 | return retval; |
| 2315 | } |
| 2316 | |
| 2317 | static int ipa3_q6_clean_q6_rt_tbls(enum ipa_ip_type ip, |
| 2318 | enum ipa_rule_type rlt) |
| 2319 | { |
| 2320 | struct ipa3_desc *desc; |
| 2321 | struct ipahal_imm_cmd_dma_shared_mem cmd = {0}; |
| 2322 | struct ipahal_imm_cmd_pyld *cmd_pyld = NULL; |
| 2323 | int retval = 0; |
| 2324 | u32 modem_rt_index_lo; |
| 2325 | u32 modem_rt_index_hi; |
| 2326 | u32 lcl_addr_mem_part; |
| 2327 | u32 lcl_hdr_sz; |
| 2328 | struct ipa_mem_buffer mem; |
| 2329 | |
| 2330 | IPADBG("Entry\n"); |
| 2331 | |
| 2332 | if ((ip >= IPA_IP_MAX) || (rlt >= IPA_RULE_TYPE_MAX)) { |
| 2333 | IPAERR("Input Err: ip=%d ; rlt=%d\n", ip, rlt); |
| 2334 | return -EINVAL; |
| 2335 | } |
| 2336 | |
| 2337 | if (ip == IPA_IP_v4) { |
| 2338 | modem_rt_index_lo = IPA_MEM_PART(v4_modem_rt_index_lo); |
| 2339 | modem_rt_index_hi = IPA_MEM_PART(v4_modem_rt_index_hi); |
| 2340 | if (rlt == IPA_RULE_HASHABLE) { |
| 2341 | lcl_addr_mem_part = IPA_MEM_PART(v4_rt_hash_ofst); |
| 2342 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_hash_size); |
| 2343 | } else { |
| 2344 | lcl_addr_mem_part = IPA_MEM_PART(v4_rt_nhash_ofst); |
| 2345 | lcl_hdr_sz = IPA_MEM_PART(v4_flt_nhash_size); |
| 2346 | } |
| 2347 | } else { |
| 2348 | modem_rt_index_lo = IPA_MEM_PART(v6_modem_rt_index_lo); |
| 2349 | modem_rt_index_hi = IPA_MEM_PART(v6_modem_rt_index_hi); |
| 2350 | if (rlt == IPA_RULE_HASHABLE) { |
| 2351 | lcl_addr_mem_part = IPA_MEM_PART(v6_rt_hash_ofst); |
| 2352 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_hash_size); |
| 2353 | } else { |
| 2354 | lcl_addr_mem_part = IPA_MEM_PART(v6_rt_nhash_ofst); |
| 2355 | lcl_hdr_sz = IPA_MEM_PART(v6_flt_nhash_size); |
| 2356 | } |
| 2357 | } |
| 2358 | |
| 2359 | retval = ipahal_rt_generate_empty_img( |
| 2360 | modem_rt_index_hi - modem_rt_index_lo + 1, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 2361 | lcl_hdr_sz, lcl_hdr_sz, &mem, true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2362 | if (retval) { |
| 2363 | IPAERR("fail generate empty rt img\n"); |
| 2364 | return -ENOMEM; |
| 2365 | } |
| 2366 | |
| 2367 | desc = kzalloc(sizeof(struct ipa3_desc), GFP_KERNEL); |
| 2368 | if (!desc) { |
| 2369 | IPAERR("failed to allocate memory\n"); |
| 2370 | goto free_empty_img; |
| 2371 | } |
| 2372 | |
| 2373 | cmd.is_read = false; |
| 2374 | cmd.skip_pipeline_clear = false; |
| 2375 | cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2376 | cmd.size = mem.size; |
| 2377 | cmd.system_addr = mem.phys_base; |
| 2378 | cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2379 | lcl_addr_mem_part + |
| 2380 | modem_rt_index_lo * ipahal_get_hw_tbl_hdr_width(); |
| 2381 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2382 | IPA_IMM_CMD_DMA_SHARED_MEM, &cmd, false); |
| 2383 | if (!cmd_pyld) { |
| 2384 | IPAERR("failed to construct dma_shared_mem imm cmd\n"); |
| 2385 | retval = -ENOMEM; |
| 2386 | goto free_desc; |
| 2387 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2388 | ipa3_init_imm_cmd_desc(desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2389 | |
| 2390 | IPADBG("Sending 1 descriptor for rt tbl clearing\n"); |
| 2391 | retval = ipa3_send_cmd(1, desc); |
| 2392 | if (retval) { |
| 2393 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2394 | retval = -EFAULT; |
| 2395 | } |
| 2396 | |
| 2397 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2398 | free_desc: |
| 2399 | kfree(desc); |
| 2400 | free_empty_img: |
| 2401 | ipahal_free_dma_mem(&mem); |
| 2402 | return retval; |
| 2403 | } |
| 2404 | |
| 2405 | static int ipa3_q6_clean_q6_tables(void) |
| 2406 | { |
| 2407 | struct ipa3_desc *desc; |
| 2408 | struct ipahal_imm_cmd_pyld *cmd_pyld = NULL; |
| 2409 | struct ipahal_imm_cmd_register_write reg_write_cmd = {0}; |
| 2410 | int retval; |
| 2411 | struct ipahal_reg_fltrt_hash_flush flush; |
| 2412 | struct ipahal_reg_valmask valmask; |
| 2413 | |
| 2414 | IPADBG("Entry\n"); |
| 2415 | |
| 2416 | |
| 2417 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v4, IPA_RULE_HASHABLE)) { |
| 2418 | IPAERR("failed to clean q6 flt tbls (v4/hashable)\n"); |
| 2419 | return -EFAULT; |
| 2420 | } |
| 2421 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v6, IPA_RULE_HASHABLE)) { |
| 2422 | IPAERR("failed to clean q6 flt tbls (v6/hashable)\n"); |
| 2423 | return -EFAULT; |
| 2424 | } |
| 2425 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v4, IPA_RULE_NON_HASHABLE)) { |
| 2426 | IPAERR("failed to clean q6 flt tbls (v4/non-hashable)\n"); |
| 2427 | return -EFAULT; |
| 2428 | } |
| 2429 | if (ipa3_q6_clean_q6_flt_tbls(IPA_IP_v6, IPA_RULE_NON_HASHABLE)) { |
| 2430 | IPAERR("failed to clean q6 flt tbls (v6/non-hashable)\n"); |
| 2431 | return -EFAULT; |
| 2432 | } |
| 2433 | |
| 2434 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v4, IPA_RULE_HASHABLE)) { |
| 2435 | IPAERR("failed to clean q6 rt tbls (v4/hashable)\n"); |
| 2436 | return -EFAULT; |
| 2437 | } |
| 2438 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v6, IPA_RULE_HASHABLE)) { |
| 2439 | IPAERR("failed to clean q6 rt tbls (v6/hashable)\n"); |
| 2440 | return -EFAULT; |
| 2441 | } |
| 2442 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v4, IPA_RULE_NON_HASHABLE)) { |
| 2443 | IPAERR("failed to clean q6 rt tbls (v4/non-hashable)\n"); |
| 2444 | return -EFAULT; |
| 2445 | } |
| 2446 | if (ipa3_q6_clean_q6_rt_tbls(IPA_IP_v6, IPA_RULE_NON_HASHABLE)) { |
| 2447 | IPAERR("failed to clean q6 rt tbls (v6/non-hashable)\n"); |
| 2448 | return -EFAULT; |
| 2449 | } |
| 2450 | |
| 2451 | /* Flush rules cache */ |
| 2452 | desc = kzalloc(sizeof(struct ipa3_desc), GFP_KERNEL); |
| 2453 | if (!desc) { |
| 2454 | IPAERR("failed to allocate memory\n"); |
| 2455 | return -ENOMEM; |
| 2456 | } |
| 2457 | |
| 2458 | flush.v4_flt = true; |
| 2459 | flush.v4_rt = true; |
| 2460 | flush.v6_flt = true; |
| 2461 | flush.v6_rt = true; |
| 2462 | ipahal_get_fltrt_hash_flush_valmask(&flush, &valmask); |
| 2463 | reg_write_cmd.skip_pipeline_clear = false; |
| 2464 | reg_write_cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2465 | reg_write_cmd.offset = ipahal_get_reg_ofst(IPA_FILT_ROUT_HASH_FLUSH); |
| 2466 | reg_write_cmd.value = valmask.val; |
| 2467 | reg_write_cmd.value_mask = valmask.mask; |
| 2468 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_REGISTER_WRITE, |
| 2469 | ®_write_cmd, false); |
| 2470 | if (!cmd_pyld) { |
| 2471 | IPAERR("fail construct register_write imm cmd\n"); |
| 2472 | retval = -EFAULT; |
| 2473 | goto bail_desc; |
| 2474 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2475 | ipa3_init_imm_cmd_desc(desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2476 | |
| 2477 | IPADBG("Sending 1 descriptor for tbls flush\n"); |
| 2478 | retval = ipa3_send_cmd(1, desc); |
| 2479 | if (retval) { |
| 2480 | IPAERR("failed to send immediate command (err %d)\n", retval); |
| 2481 | retval = -EFAULT; |
| 2482 | } |
| 2483 | |
| 2484 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2485 | |
| 2486 | bail_desc: |
| 2487 | kfree(desc); |
| 2488 | IPADBG("Done - retval = %d\n", retval); |
| 2489 | return retval; |
| 2490 | } |
| 2491 | |
| 2492 | static int ipa3_q6_set_ex_path_to_apps(void) |
| 2493 | { |
| 2494 | int ep_idx; |
| 2495 | int client_idx; |
| 2496 | struct ipa3_desc *desc; |
| 2497 | int num_descs = 0; |
| 2498 | int index; |
| 2499 | struct ipahal_imm_cmd_register_write reg_write; |
| 2500 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2501 | int retval; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2502 | |
| 2503 | desc = kcalloc(ipa3_ctx->ipa_num_pipes, sizeof(struct ipa3_desc), |
| 2504 | GFP_KERNEL); |
| 2505 | if (!desc) { |
| 2506 | IPAERR("failed to allocate memory\n"); |
| 2507 | return -ENOMEM; |
| 2508 | } |
| 2509 | |
| 2510 | /* Set the exception path to AP */ |
| 2511 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) { |
| 2512 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2513 | if (ep_idx == -1) |
| 2514 | continue; |
| 2515 | |
Skylar Chang | 5313711 | 2017-05-12 17:13:13 -0700 | [diff] [blame] | 2516 | /* disable statuses for all modem controlled prod pipes */ |
| 2517 | if (IPA_CLIENT_IS_Q6_PROD(client_idx) || |
| 2518 | (ipa3_ctx->ep[ep_idx].valid && |
| 2519 | ipa3_ctx->ep[ep_idx].skip_ep_cfg)) { |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2520 | ipa_assert_on(num_descs >= ipa3_ctx->ipa_num_pipes); |
| 2521 | |
| 2522 | reg_write.skip_pipeline_clear = false; |
| 2523 | reg_write.pipeline_clear_options = |
| 2524 | IPAHAL_HPS_CLEAR; |
| 2525 | reg_write.offset = |
| 2526 | ipahal_get_reg_n_ofst(IPA_ENDP_STATUS_n, |
| 2527 | ep_idx); |
| 2528 | reg_write.value = 0; |
| 2529 | reg_write.value_mask = ~0; |
| 2530 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2531 | IPA_IMM_CMD_REGISTER_WRITE, ®_write, false); |
| 2532 | if (!cmd_pyld) { |
| 2533 | IPAERR("fail construct register_write cmd\n"); |
| 2534 | ipa_assert(); |
| 2535 | return -EFAULT; |
| 2536 | } |
| 2537 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2538 | ipa3_init_imm_cmd_desc(&desc[num_descs], cmd_pyld); |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2539 | desc[num_descs].callback = ipa3_destroy_imm; |
| 2540 | desc[num_descs].user1 = cmd_pyld; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2541 | ++num_descs; |
Amir Levy | 5807be3 | 2017-04-19 14:35:12 +0300 | [diff] [blame] | 2542 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2543 | } |
| 2544 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 2545 | /* Will wait 500msecs for IPA tag process completion */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2546 | retval = ipa3_tag_process(desc, num_descs, |
| 2547 | msecs_to_jiffies(CLEANUP_TAG_PROCESS_TIMEOUT)); |
| 2548 | if (retval) { |
| 2549 | IPAERR("TAG process failed! (error %d)\n", retval); |
| 2550 | /* For timeout error ipa3_destroy_imm cb will destroy user1 */ |
| 2551 | if (retval != -ETIME) { |
| 2552 | for (index = 0; index < num_descs; index++) |
| 2553 | if (desc[index].callback) |
| 2554 | desc[index].callback(desc[index].user1, |
| 2555 | desc[index].user2); |
| 2556 | retval = -EINVAL; |
| 2557 | } |
| 2558 | } |
| 2559 | |
| 2560 | kfree(desc); |
| 2561 | |
| 2562 | return retval; |
| 2563 | } |
| 2564 | |
| 2565 | /** |
| 2566 | * ipa3_q6_pre_shutdown_cleanup() - A cleanup for all Q6 related configuration |
| 2567 | * in IPA HW. This is performed in case of SSR. |
| 2568 | * |
| 2569 | * This is a mandatory procedure, in case one of the steps fails, the |
| 2570 | * AP needs to restart. |
| 2571 | */ |
| 2572 | void ipa3_q6_pre_shutdown_cleanup(void) |
| 2573 | { |
| 2574 | IPADBG_LOW("ENTER\n"); |
| 2575 | |
| 2576 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2577 | |
| 2578 | ipa3_q6_pipe_delay(true); |
| 2579 | ipa3_q6_avoid_holb(); |
| 2580 | if (ipa3_q6_clean_q6_tables()) { |
| 2581 | IPAERR("Failed to clean Q6 tables\n"); |
| 2582 | BUG(); |
| 2583 | } |
| 2584 | if (ipa3_q6_set_ex_path_to_apps()) { |
| 2585 | IPAERR("Failed to redirect exceptions to APPS\n"); |
| 2586 | BUG(); |
| 2587 | } |
| 2588 | /* Remove delay from Q6 PRODs to avoid pending descriptors |
| 2589 | * on pipe reset procedure |
| 2590 | */ |
| 2591 | ipa3_q6_pipe_delay(false); |
| 2592 | |
| 2593 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2594 | IPADBG_LOW("Exit with success\n"); |
| 2595 | } |
| 2596 | |
| 2597 | /* |
| 2598 | * ipa3_q6_post_shutdown_cleanup() - As part of this cleanup |
| 2599 | * check if GSI channel related to Q6 producer client is empty. |
| 2600 | * |
| 2601 | * Q6 GSI channel emptiness is needed to garantee no descriptors with invalid |
| 2602 | * info are injected into IPA RX from IPA_IF, while modem is restarting. |
| 2603 | */ |
| 2604 | void ipa3_q6_post_shutdown_cleanup(void) |
| 2605 | { |
| 2606 | int client_idx; |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2607 | int ep_idx; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2608 | |
| 2609 | IPADBG_LOW("ENTER\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2610 | |
| 2611 | if (!ipa3_ctx->uc_ctx.uc_loaded) { |
| 2612 | IPAERR("uC is not loaded. Skipping\n"); |
| 2613 | return; |
| 2614 | } |
| 2615 | |
Skylar Chang | 94692c9 | 2017-03-01 09:07:11 -0800 | [diff] [blame] | 2616 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 2617 | |
| 2618 | /* Handle the issue where SUSPEND was removed for some reason */ |
| 2619 | ipa3_q6_avoid_holb(); |
| 2620 | ipa3_halt_q6_cons_gsi_channels(); |
| 2621 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2622 | for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) |
| 2623 | if (IPA_CLIENT_IS_Q6_PROD(client_idx)) { |
Skylar Chang | c1f1531 | 2017-05-09 14:14:32 -0700 | [diff] [blame] | 2624 | ep_idx = ipa3_get_ep_mapping(client_idx); |
| 2625 | if (ep_idx == -1) |
| 2626 | continue; |
| 2627 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2628 | if (ipa3_uc_is_gsi_channel_empty(client_idx)) { |
| 2629 | IPAERR("fail to validate Q6 ch emptiness %d\n", |
| 2630 | client_idx); |
| 2631 | BUG(); |
| 2632 | return; |
| 2633 | } |
| 2634 | } |
| 2635 | |
| 2636 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 2637 | IPADBG_LOW("Exit with success\n"); |
| 2638 | } |
| 2639 | |
| 2640 | static inline void ipa3_sram_set_canary(u32 *sram_mmio, int offset) |
| 2641 | { |
| 2642 | /* Set 4 bytes of CANARY before the offset */ |
| 2643 | sram_mmio[(offset - 4) / 4] = IPA_MEM_CANARY_VAL; |
| 2644 | } |
| 2645 | |
| 2646 | /** |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2647 | * _ipa_init_sram_v3() - Initialize IPA local SRAM. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2648 | * |
| 2649 | * Return codes: 0 for success, negative value for failure |
| 2650 | */ |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2651 | int _ipa_init_sram_v3(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2652 | { |
| 2653 | u32 *ipa_sram_mmio; |
| 2654 | unsigned long phys_addr; |
| 2655 | |
| 2656 | phys_addr = ipa3_ctx->ipa_wrapper_base + |
| 2657 | ipa3_ctx->ctrl->ipa_reg_base_ofst + |
| 2658 | ipahal_get_reg_n_ofst(IPA_SRAM_DIRECT_ACCESS_n, |
| 2659 | ipa3_ctx->smem_restricted_bytes / 4); |
| 2660 | |
| 2661 | ipa_sram_mmio = ioremap(phys_addr, ipa3_ctx->smem_sz); |
| 2662 | if (!ipa_sram_mmio) { |
| 2663 | IPAERR("fail to ioremap IPA SRAM\n"); |
| 2664 | return -ENOMEM; |
| 2665 | } |
| 2666 | |
| 2667 | /* Consult with ipa_i.h on the location of the CANARY values */ |
| 2668 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_hash_ofst) - 4); |
| 2669 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_hash_ofst)); |
| 2670 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2671 | IPA_MEM_PART(v4_flt_nhash_ofst) - 4); |
| 2672 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_flt_nhash_ofst)); |
| 2673 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_hash_ofst) - 4); |
| 2674 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_hash_ofst)); |
| 2675 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2676 | IPA_MEM_PART(v6_flt_nhash_ofst) - 4); |
| 2677 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_flt_nhash_ofst)); |
| 2678 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_hash_ofst) - 4); |
| 2679 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_hash_ofst)); |
| 2680 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_nhash_ofst) - 4); |
| 2681 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v4_rt_nhash_ofst)); |
| 2682 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_hash_ofst) - 4); |
| 2683 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_hash_ofst)); |
| 2684 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_nhash_ofst) - 4); |
| 2685 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(v6_rt_nhash_ofst)); |
| 2686 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_hdr_ofst) - 4); |
| 2687 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_hdr_ofst)); |
| 2688 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2689 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst) - 4); |
| 2690 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2691 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst)); |
| 2692 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_ofst) - 4); |
| 2693 | ipa3_sram_set_canary(ipa_sram_mmio, IPA_MEM_PART(modem_ofst)); |
Amir Levy | 9fadeca | 2017-04-25 10:18:32 +0300 | [diff] [blame] | 2694 | ipa3_sram_set_canary(ipa_sram_mmio, |
| 2695 | (ipa_get_hw_type() >= IPA_HW_v3_5) ? |
| 2696 | IPA_MEM_PART(uc_event_ring_ofst) : |
| 2697 | IPA_MEM_PART(end_ofst)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2698 | |
| 2699 | iounmap(ipa_sram_mmio); |
| 2700 | |
| 2701 | return 0; |
| 2702 | } |
| 2703 | |
| 2704 | /** |
| 2705 | * _ipa_init_hdr_v3_0() - Initialize IPA header block. |
| 2706 | * |
| 2707 | * Return codes: 0 for success, negative value for failure |
| 2708 | */ |
| 2709 | int _ipa_init_hdr_v3_0(void) |
| 2710 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2711 | struct ipa3_desc desc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2712 | struct ipa_mem_buffer mem; |
| 2713 | struct ipahal_imm_cmd_hdr_init_local cmd = {0}; |
| 2714 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2715 | struct ipahal_imm_cmd_dma_shared_mem dma_cmd = { 0 }; |
| 2716 | |
| 2717 | mem.size = IPA_MEM_PART(modem_hdr_size) + IPA_MEM_PART(apps_hdr_size); |
| 2718 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, &mem.phys_base, |
| 2719 | GFP_KERNEL); |
| 2720 | if (!mem.base) { |
| 2721 | IPAERR("fail to alloc DMA buff of size %d\n", mem.size); |
| 2722 | return -ENOMEM; |
| 2723 | } |
| 2724 | memset(mem.base, 0, mem.size); |
| 2725 | |
| 2726 | cmd.hdr_table_addr = mem.phys_base; |
| 2727 | cmd.size_hdr_table = mem.size; |
| 2728 | cmd.hdr_addr = ipa3_ctx->smem_restricted_bytes + |
| 2729 | IPA_MEM_PART(modem_hdr_ofst); |
| 2730 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2731 | IPA_IMM_CMD_HDR_INIT_LOCAL, &cmd, false); |
| 2732 | if (!cmd_pyld) { |
| 2733 | IPAERR("fail to construct hdr_init_local imm cmd\n"); |
| 2734 | dma_free_coherent(ipa3_ctx->pdev, |
| 2735 | mem.size, mem.base, |
| 2736 | mem.phys_base); |
| 2737 | return -EFAULT; |
| 2738 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2739 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2740 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2741 | |
| 2742 | if (ipa3_send_cmd(1, &desc)) { |
| 2743 | IPAERR("fail to send immediate command\n"); |
| 2744 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2745 | dma_free_coherent(ipa3_ctx->pdev, |
| 2746 | mem.size, mem.base, |
| 2747 | mem.phys_base); |
| 2748 | return -EFAULT; |
| 2749 | } |
| 2750 | |
| 2751 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2752 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, mem.phys_base); |
| 2753 | |
| 2754 | mem.size = IPA_MEM_PART(modem_hdr_proc_ctx_size) + |
| 2755 | IPA_MEM_PART(apps_hdr_proc_ctx_size); |
| 2756 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, &mem.phys_base, |
| 2757 | GFP_KERNEL); |
| 2758 | if (!mem.base) { |
| 2759 | IPAERR("fail to alloc DMA buff of size %d\n", mem.size); |
| 2760 | return -ENOMEM; |
| 2761 | } |
| 2762 | memset(mem.base, 0, mem.size); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2763 | |
| 2764 | dma_cmd.is_read = false; |
| 2765 | dma_cmd.skip_pipeline_clear = false; |
| 2766 | dma_cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR; |
| 2767 | dma_cmd.system_addr = mem.phys_base; |
| 2768 | dma_cmd.local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2769 | IPA_MEM_PART(modem_hdr_proc_ctx_ofst); |
| 2770 | dma_cmd.size = mem.size; |
| 2771 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2772 | IPA_IMM_CMD_DMA_SHARED_MEM, &dma_cmd, false); |
| 2773 | if (!cmd_pyld) { |
| 2774 | IPAERR("fail to construct dma_shared_mem imm\n"); |
| 2775 | dma_free_coherent(ipa3_ctx->pdev, |
| 2776 | mem.size, mem.base, |
| 2777 | mem.phys_base); |
| 2778 | return -EFAULT; |
| 2779 | } |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2780 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2781 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2782 | |
| 2783 | if (ipa3_send_cmd(1, &desc)) { |
| 2784 | IPAERR("fail to send immediate command\n"); |
| 2785 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2786 | dma_free_coherent(ipa3_ctx->pdev, |
| 2787 | mem.size, |
| 2788 | mem.base, |
| 2789 | mem.phys_base); |
| 2790 | return -EFAULT; |
| 2791 | } |
| 2792 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2793 | |
| 2794 | ipahal_write_reg(IPA_LOCAL_PKT_PROC_CNTXT_BASE, dma_cmd.local_addr); |
| 2795 | |
| 2796 | dma_free_coherent(ipa3_ctx->pdev, mem.size, mem.base, mem.phys_base); |
| 2797 | |
| 2798 | return 0; |
| 2799 | } |
| 2800 | |
| 2801 | /** |
| 2802 | * _ipa_init_rt4_v3() - Initialize IPA routing block for IPv4. |
| 2803 | * |
| 2804 | * Return codes: 0 for success, negative value for failure |
| 2805 | */ |
| 2806 | int _ipa_init_rt4_v3(void) |
| 2807 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2808 | struct ipa3_desc desc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2809 | struct ipa_mem_buffer mem; |
| 2810 | struct ipahal_imm_cmd_ip_v4_routing_init v4_cmd; |
| 2811 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2812 | int i; |
| 2813 | int rc = 0; |
| 2814 | |
| 2815 | for (i = IPA_MEM_PART(v4_modem_rt_index_lo); |
| 2816 | i <= IPA_MEM_PART(v4_modem_rt_index_hi); |
| 2817 | i++) |
| 2818 | ipa3_ctx->rt_idx_bitmap[IPA_IP_v4] |= (1 << i); |
| 2819 | IPADBG("v4 rt bitmap 0x%lx\n", ipa3_ctx->rt_idx_bitmap[IPA_IP_v4]); |
| 2820 | |
| 2821 | rc = ipahal_rt_generate_empty_img(IPA_MEM_PART(v4_rt_num_index), |
| 2822 | 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] | 2823 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2824 | if (rc) { |
| 2825 | IPAERR("fail generate empty v4 rt img\n"); |
| 2826 | return rc; |
| 2827 | } |
| 2828 | |
| 2829 | v4_cmd.hash_rules_addr = mem.phys_base; |
| 2830 | v4_cmd.hash_rules_size = mem.size; |
| 2831 | v4_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2832 | IPA_MEM_PART(v4_rt_hash_ofst); |
| 2833 | v4_cmd.nhash_rules_addr = mem.phys_base; |
| 2834 | v4_cmd.nhash_rules_size = mem.size; |
| 2835 | v4_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2836 | IPA_MEM_PART(v4_rt_nhash_ofst); |
| 2837 | IPADBG("putting hashable routing IPv4 rules to phys 0x%x\n", |
| 2838 | v4_cmd.hash_local_addr); |
| 2839 | IPADBG("putting non-hashable routing IPv4 rules to phys 0x%x\n", |
| 2840 | v4_cmd.nhash_local_addr); |
| 2841 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2842 | IPA_IMM_CMD_IP_V4_ROUTING_INIT, &v4_cmd, false); |
| 2843 | if (!cmd_pyld) { |
| 2844 | IPAERR("fail construct ip_v4_rt_init imm cmd\n"); |
| 2845 | rc = -EPERM; |
| 2846 | goto free_mem; |
| 2847 | } |
| 2848 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2849 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2850 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2851 | |
| 2852 | if (ipa3_send_cmd(1, &desc)) { |
| 2853 | IPAERR("fail to send immediate command\n"); |
| 2854 | rc = -EFAULT; |
| 2855 | } |
| 2856 | |
| 2857 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2858 | |
| 2859 | free_mem: |
| 2860 | ipahal_free_dma_mem(&mem); |
| 2861 | return rc; |
| 2862 | } |
| 2863 | |
| 2864 | /** |
| 2865 | * _ipa_init_rt6_v3() - Initialize IPA routing block for IPv6. |
| 2866 | * |
| 2867 | * Return codes: 0 for success, negative value for failure |
| 2868 | */ |
| 2869 | int _ipa_init_rt6_v3(void) |
| 2870 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2871 | struct ipa3_desc desc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2872 | struct ipa_mem_buffer mem; |
| 2873 | struct ipahal_imm_cmd_ip_v6_routing_init v6_cmd; |
| 2874 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2875 | int i; |
| 2876 | int rc = 0; |
| 2877 | |
| 2878 | for (i = IPA_MEM_PART(v6_modem_rt_index_lo); |
| 2879 | i <= IPA_MEM_PART(v6_modem_rt_index_hi); |
| 2880 | i++) |
| 2881 | ipa3_ctx->rt_idx_bitmap[IPA_IP_v6] |= (1 << i); |
| 2882 | IPADBG("v6 rt bitmap 0x%lx\n", ipa3_ctx->rt_idx_bitmap[IPA_IP_v6]); |
| 2883 | |
| 2884 | rc = ipahal_rt_generate_empty_img(IPA_MEM_PART(v6_rt_num_index), |
| 2885 | 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] | 2886 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2887 | if (rc) { |
| 2888 | IPAERR("fail generate empty v6 rt img\n"); |
| 2889 | return rc; |
| 2890 | } |
| 2891 | |
| 2892 | v6_cmd.hash_rules_addr = mem.phys_base; |
| 2893 | v6_cmd.hash_rules_size = mem.size; |
| 2894 | v6_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2895 | IPA_MEM_PART(v6_rt_hash_ofst); |
| 2896 | v6_cmd.nhash_rules_addr = mem.phys_base; |
| 2897 | v6_cmd.nhash_rules_size = mem.size; |
| 2898 | v6_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2899 | IPA_MEM_PART(v6_rt_nhash_ofst); |
| 2900 | IPADBG("putting hashable routing IPv6 rules to phys 0x%x\n", |
| 2901 | v6_cmd.hash_local_addr); |
| 2902 | IPADBG("putting non-hashable routing IPv6 rules to phys 0x%x\n", |
| 2903 | v6_cmd.nhash_local_addr); |
| 2904 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2905 | IPA_IMM_CMD_IP_V6_ROUTING_INIT, &v6_cmd, false); |
| 2906 | if (!cmd_pyld) { |
| 2907 | IPAERR("fail construct ip_v6_rt_init imm cmd\n"); |
| 2908 | rc = -EPERM; |
| 2909 | goto free_mem; |
| 2910 | } |
| 2911 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2912 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2913 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2914 | |
| 2915 | if (ipa3_send_cmd(1, &desc)) { |
| 2916 | IPAERR("fail to send immediate command\n"); |
| 2917 | rc = -EFAULT; |
| 2918 | } |
| 2919 | |
| 2920 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2921 | |
| 2922 | free_mem: |
| 2923 | ipahal_free_dma_mem(&mem); |
| 2924 | return rc; |
| 2925 | } |
| 2926 | |
| 2927 | /** |
| 2928 | * _ipa_init_flt4_v3() - Initialize IPA filtering block for IPv4. |
| 2929 | * |
| 2930 | * Return codes: 0 for success, negative value for failure |
| 2931 | */ |
| 2932 | int _ipa_init_flt4_v3(void) |
| 2933 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2934 | struct ipa3_desc desc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2935 | struct ipa_mem_buffer mem; |
| 2936 | struct ipahal_imm_cmd_ip_v4_filter_init v4_cmd; |
| 2937 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2938 | int rc; |
| 2939 | |
| 2940 | rc = ipahal_flt_generate_empty_img(ipa3_ctx->ep_flt_num, |
| 2941 | IPA_MEM_PART(v4_flt_hash_size), |
| 2942 | IPA_MEM_PART(v4_flt_nhash_size), ipa3_ctx->ep_flt_bitmap, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 2943 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2944 | if (rc) { |
| 2945 | IPAERR("fail generate empty v4 flt img\n"); |
| 2946 | return rc; |
| 2947 | } |
| 2948 | |
| 2949 | v4_cmd.hash_rules_addr = mem.phys_base; |
| 2950 | v4_cmd.hash_rules_size = mem.size; |
| 2951 | v4_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2952 | IPA_MEM_PART(v4_flt_hash_ofst); |
| 2953 | v4_cmd.nhash_rules_addr = mem.phys_base; |
| 2954 | v4_cmd.nhash_rules_size = mem.size; |
| 2955 | v4_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 2956 | IPA_MEM_PART(v4_flt_nhash_ofst); |
| 2957 | IPADBG("putting hashable filtering IPv4 rules to phys 0x%x\n", |
| 2958 | v4_cmd.hash_local_addr); |
| 2959 | IPADBG("putting non-hashable filtering IPv4 rules to phys 0x%x\n", |
| 2960 | v4_cmd.nhash_local_addr); |
| 2961 | cmd_pyld = ipahal_construct_imm_cmd( |
| 2962 | IPA_IMM_CMD_IP_V4_FILTER_INIT, &v4_cmd, false); |
| 2963 | if (!cmd_pyld) { |
| 2964 | IPAERR("fail construct ip_v4_flt_init imm cmd\n"); |
| 2965 | rc = -EPERM; |
| 2966 | goto free_mem; |
| 2967 | } |
| 2968 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2969 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2970 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 2971 | |
| 2972 | if (ipa3_send_cmd(1, &desc)) { |
| 2973 | IPAERR("fail to send immediate command\n"); |
| 2974 | rc = -EFAULT; |
| 2975 | } |
| 2976 | |
| 2977 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 2978 | |
| 2979 | free_mem: |
| 2980 | ipahal_free_dma_mem(&mem); |
| 2981 | return rc; |
| 2982 | } |
| 2983 | |
| 2984 | /** |
| 2985 | * _ipa_init_flt6_v3() - Initialize IPA filtering block for IPv6. |
| 2986 | * |
| 2987 | * Return codes: 0 for success, negative value for failure |
| 2988 | */ |
| 2989 | int _ipa_init_flt6_v3(void) |
| 2990 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 2991 | struct ipa3_desc desc; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2992 | struct ipa_mem_buffer mem; |
| 2993 | struct ipahal_imm_cmd_ip_v6_filter_init v6_cmd; |
| 2994 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 2995 | int rc; |
| 2996 | |
| 2997 | rc = ipahal_flt_generate_empty_img(ipa3_ctx->ep_flt_num, |
| 2998 | IPA_MEM_PART(v6_flt_hash_size), |
| 2999 | IPA_MEM_PART(v6_flt_nhash_size), ipa3_ctx->ep_flt_bitmap, |
Amir Levy | 4dc79be | 2017-02-01 19:18:35 +0200 | [diff] [blame] | 3000 | &mem, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3001 | if (rc) { |
| 3002 | IPAERR("fail generate empty v6 flt img\n"); |
| 3003 | return rc; |
| 3004 | } |
| 3005 | |
| 3006 | v6_cmd.hash_rules_addr = mem.phys_base; |
| 3007 | v6_cmd.hash_rules_size = mem.size; |
| 3008 | v6_cmd.hash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3009 | IPA_MEM_PART(v6_flt_hash_ofst); |
| 3010 | v6_cmd.nhash_rules_addr = mem.phys_base; |
| 3011 | v6_cmd.nhash_rules_size = mem.size; |
| 3012 | v6_cmd.nhash_local_addr = ipa3_ctx->smem_restricted_bytes + |
| 3013 | IPA_MEM_PART(v6_flt_nhash_ofst); |
| 3014 | IPADBG("putting hashable filtering IPv6 rules to phys 0x%x\n", |
| 3015 | v6_cmd.hash_local_addr); |
| 3016 | IPADBG("putting non-hashable filtering IPv6 rules to phys 0x%x\n", |
| 3017 | v6_cmd.nhash_local_addr); |
| 3018 | |
| 3019 | cmd_pyld = ipahal_construct_imm_cmd( |
| 3020 | IPA_IMM_CMD_IP_V6_FILTER_INIT, &v6_cmd, false); |
| 3021 | if (!cmd_pyld) { |
| 3022 | IPAERR("fail construct ip_v6_flt_init imm cmd\n"); |
| 3023 | rc = -EPERM; |
| 3024 | goto free_mem; |
| 3025 | } |
| 3026 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3027 | ipa3_init_imm_cmd_desc(&desc, cmd_pyld); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3028 | IPA_DUMP_BUFF(mem.base, mem.phys_base, mem.size); |
| 3029 | |
| 3030 | if (ipa3_send_cmd(1, &desc)) { |
| 3031 | IPAERR("fail to send immediate command\n"); |
| 3032 | rc = -EFAULT; |
| 3033 | } |
| 3034 | |
| 3035 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 3036 | |
| 3037 | free_mem: |
| 3038 | ipahal_free_dma_mem(&mem); |
| 3039 | return rc; |
| 3040 | } |
| 3041 | |
| 3042 | static int ipa3_setup_flt_hash_tuple(void) |
| 3043 | { |
| 3044 | int pipe_idx; |
| 3045 | struct ipahal_reg_hash_tuple tuple; |
| 3046 | |
| 3047 | memset(&tuple, 0, sizeof(struct ipahal_reg_hash_tuple)); |
| 3048 | |
| 3049 | for (pipe_idx = 0; pipe_idx < ipa3_ctx->ipa_num_pipes ; pipe_idx++) { |
| 3050 | if (!ipa_is_ep_support_flt(pipe_idx)) |
| 3051 | continue; |
| 3052 | |
| 3053 | if (ipa_is_modem_pipe(pipe_idx)) |
| 3054 | continue; |
| 3055 | |
| 3056 | if (ipa3_set_flt_tuple_mask(pipe_idx, &tuple)) { |
| 3057 | IPAERR("failed to setup pipe %d flt tuple\n", pipe_idx); |
| 3058 | return -EFAULT; |
| 3059 | } |
| 3060 | } |
| 3061 | |
| 3062 | return 0; |
| 3063 | } |
| 3064 | |
| 3065 | static int ipa3_setup_rt_hash_tuple(void) |
| 3066 | { |
| 3067 | int tbl_idx; |
| 3068 | struct ipahal_reg_hash_tuple tuple; |
| 3069 | |
| 3070 | memset(&tuple, 0, sizeof(struct ipahal_reg_hash_tuple)); |
| 3071 | |
| 3072 | for (tbl_idx = 0; |
| 3073 | tbl_idx < max(IPA_MEM_PART(v6_rt_num_index), |
| 3074 | IPA_MEM_PART(v4_rt_num_index)); |
| 3075 | tbl_idx++) { |
| 3076 | |
| 3077 | if (tbl_idx >= IPA_MEM_PART(v4_modem_rt_index_lo) && |
| 3078 | tbl_idx <= IPA_MEM_PART(v4_modem_rt_index_hi)) |
| 3079 | continue; |
| 3080 | |
| 3081 | if (tbl_idx >= IPA_MEM_PART(v6_modem_rt_index_lo) && |
| 3082 | tbl_idx <= IPA_MEM_PART(v6_modem_rt_index_hi)) |
| 3083 | continue; |
| 3084 | |
| 3085 | if (ipa3_set_rt_tuple_mask(tbl_idx, &tuple)) { |
| 3086 | IPAERR("failed to setup tbl %d rt tuple\n", tbl_idx); |
| 3087 | return -EFAULT; |
| 3088 | } |
| 3089 | } |
| 3090 | |
| 3091 | return 0; |
| 3092 | } |
| 3093 | |
| 3094 | static int ipa3_setup_apps_pipes(void) |
| 3095 | { |
| 3096 | struct ipa_sys_connect_params sys_in; |
| 3097 | int result = 0; |
| 3098 | |
| 3099 | if (ipa3_ctx->gsi_ch20_wa) { |
| 3100 | IPADBG("Allocating GSI physical channel 20\n"); |
| 3101 | result = ipa_gsi_ch20_wa(); |
| 3102 | if (result) { |
| 3103 | IPAERR("ipa_gsi_ch20_wa failed %d\n", result); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3104 | goto fail_ch20_wa; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3105 | } |
| 3106 | } |
| 3107 | |
Skylar Chang | d407e59 | 2017-03-30 11:25:30 -0700 | [diff] [blame] | 3108 | /* allocate the common PROD event ring */ |
| 3109 | if (ipa3_alloc_common_event_ring()) { |
| 3110 | IPAERR("ipa3_alloc_common_event_ring failed.\n"); |
| 3111 | result = -EPERM; |
| 3112 | goto fail_ch20_wa; |
| 3113 | } |
| 3114 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3115 | /* CMD OUT (AP->IPA) */ |
| 3116 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 3117 | sys_in.client = IPA_CLIENT_APPS_CMD_PROD; |
| 3118 | sys_in.desc_fifo_sz = IPA_SYS_DESC_FIFO_SZ; |
| 3119 | sys_in.ipa_ep_cfg.mode.mode = IPA_DMA; |
| 3120 | sys_in.ipa_ep_cfg.mode.dst = IPA_CLIENT_APPS_LAN_CONS; |
| 3121 | if (ipa3_setup_sys_pipe(&sys_in, &ipa3_ctx->clnt_hdl_cmd)) { |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3122 | IPAERR(":setup sys pipe (APPS_CMD_PROD) failed.\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3123 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3124 | goto fail_ch20_wa; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3125 | } |
| 3126 | IPADBG("Apps to IPA cmd pipe is connected\n"); |
| 3127 | |
| 3128 | ipa3_ctx->ctrl->ipa_init_sram(); |
| 3129 | IPADBG("SRAM initialized\n"); |
| 3130 | |
| 3131 | ipa3_ctx->ctrl->ipa_init_hdr(); |
| 3132 | IPADBG("HDR initialized\n"); |
| 3133 | |
| 3134 | ipa3_ctx->ctrl->ipa_init_rt4(); |
| 3135 | IPADBG("V4 RT initialized\n"); |
| 3136 | |
| 3137 | ipa3_ctx->ctrl->ipa_init_rt6(); |
| 3138 | IPADBG("V6 RT initialized\n"); |
| 3139 | |
| 3140 | ipa3_ctx->ctrl->ipa_init_flt4(); |
| 3141 | IPADBG("V4 FLT initialized\n"); |
| 3142 | |
| 3143 | ipa3_ctx->ctrl->ipa_init_flt6(); |
| 3144 | IPADBG("V6 FLT initialized\n"); |
| 3145 | |
| 3146 | if (ipa3_setup_flt_hash_tuple()) { |
| 3147 | IPAERR(":fail to configure flt hash tuple\n"); |
| 3148 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3149 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3150 | } |
| 3151 | IPADBG("flt hash tuple is configured\n"); |
| 3152 | |
| 3153 | if (ipa3_setup_rt_hash_tuple()) { |
| 3154 | IPAERR(":fail to configure rt hash tuple\n"); |
| 3155 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3156 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3157 | } |
| 3158 | IPADBG("rt hash tuple is configured\n"); |
| 3159 | |
| 3160 | if (ipa3_setup_exception_path()) { |
| 3161 | IPAERR(":fail to setup excp path\n"); |
| 3162 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3163 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3164 | } |
| 3165 | IPADBG("Exception path was successfully set"); |
| 3166 | |
| 3167 | if (ipa3_setup_dflt_rt_tables()) { |
| 3168 | IPAERR(":fail to setup dflt routes\n"); |
| 3169 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3170 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3171 | } |
| 3172 | IPADBG("default routing was set\n"); |
| 3173 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3174 | /* LAN IN (IPA->AP) */ |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3175 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 3176 | sys_in.client = IPA_CLIENT_APPS_LAN_CONS; |
| 3177 | sys_in.desc_fifo_sz = IPA_SYS_DESC_FIFO_SZ; |
| 3178 | sys_in.notify = ipa3_lan_rx_cb; |
| 3179 | sys_in.priv = NULL; |
| 3180 | sys_in.ipa_ep_cfg.hdr.hdr_len = IPA_LAN_RX_HEADER_LENGTH; |
| 3181 | sys_in.ipa_ep_cfg.hdr_ext.hdr_little_endian = false; |
| 3182 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad_valid = true; |
| 3183 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad = IPA_HDR_PAD; |
| 3184 | sys_in.ipa_ep_cfg.hdr_ext.hdr_payload_len_inc_padding = false; |
| 3185 | sys_in.ipa_ep_cfg.hdr_ext.hdr_total_len_or_pad_offset = 0; |
| 3186 | sys_in.ipa_ep_cfg.hdr_ext.hdr_pad_to_alignment = 2; |
| 3187 | sys_in.ipa_ep_cfg.cfg.cs_offload_en = IPA_ENABLE_CS_OFFLOAD_DL; |
| 3188 | |
| 3189 | /** |
| 3190 | * ipa_lan_rx_cb() intended to notify the source EP about packet |
| 3191 | * being received on the LAN_CONS via calling the source EP call-back. |
| 3192 | * There could be a race condition with calling this call-back. Other |
| 3193 | * thread may nullify it - e.g. on EP disconnect. |
| 3194 | * This lock intended to protect the access to the source EP call-back |
| 3195 | */ |
| 3196 | spin_lock_init(&ipa3_ctx->disconnect_lock); |
| 3197 | 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] | 3198 | IPAERR(":setup sys pipe (LAN_CONS) failed.\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3199 | result = -EPERM; |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3200 | goto fail_flt_hash_tuple; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3201 | } |
| 3202 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3203 | /* LAN OUT (AP->IPA) */ |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 3204 | if (!ipa3_ctx->ipa_config_is_mhi) { |
| 3205 | memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params)); |
| 3206 | sys_in.client = IPA_CLIENT_APPS_LAN_PROD; |
| 3207 | sys_in.desc_fifo_sz = IPA_SYS_TX_DATA_DESC_FIFO_SZ; |
| 3208 | sys_in.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 3209 | if (ipa3_setup_sys_pipe(&sys_in, |
| 3210 | &ipa3_ctx->clnt_hdl_data_out)) { |
| 3211 | IPAERR(":setup sys pipe (LAN_PROD) failed.\n"); |
| 3212 | result = -EPERM; |
| 3213 | goto fail_lan_data_out; |
| 3214 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3215 | } |
| 3216 | |
| 3217 | return 0; |
| 3218 | |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3219 | fail_lan_data_out: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3220 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_in); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3221 | fail_flt_hash_tuple: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3222 | if (ipa3_ctx->dflt_v6_rt_rule_hdl) |
| 3223 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v6_rt_rule_hdl); |
| 3224 | if (ipa3_ctx->dflt_v4_rt_rule_hdl) |
| 3225 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v4_rt_rule_hdl); |
| 3226 | if (ipa3_ctx->excp_hdr_hdl) |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 3227 | __ipa3_del_hdr(ipa3_ctx->excp_hdr_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3228 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_cmd); |
Ghanim Fodi | c6b6749 | 2017-03-15 14:19:56 +0200 | [diff] [blame] | 3229 | fail_ch20_wa: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3230 | return result; |
| 3231 | } |
| 3232 | |
| 3233 | static void ipa3_teardown_apps_pipes(void) |
| 3234 | { |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 3235 | if (!ipa3_ctx->ipa_config_is_mhi) |
| 3236 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_out); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3237 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_data_in); |
| 3238 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v6_rt_rule_hdl); |
| 3239 | __ipa3_del_rt_rule(ipa3_ctx->dflt_v4_rt_rule_hdl); |
Ghanim Fodi | 2c8ba07 | 2017-01-12 15:14:15 +0200 | [diff] [blame] | 3240 | __ipa3_del_hdr(ipa3_ctx->excp_hdr_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3241 | ipa3_teardown_sys_pipe(ipa3_ctx->clnt_hdl_cmd); |
| 3242 | } |
| 3243 | |
| 3244 | #ifdef CONFIG_COMPAT |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3245 | |
| 3246 | static long compat_ipa3_nat_ipv6ct_alloc_table(unsigned long arg, |
| 3247 | int (alloc_func)(struct ipa_ioc_nat_ipv6ct_table_alloc *)) |
| 3248 | { |
| 3249 | long retval; |
| 3250 | struct ipa_ioc_nat_ipv6ct_table_alloc32 table_alloc32; |
| 3251 | struct ipa_ioc_nat_ipv6ct_table_alloc table_alloc; |
| 3252 | |
| 3253 | retval = copy_from_user(&table_alloc32, (const void __user *)arg, |
| 3254 | sizeof(struct ipa_ioc_nat_ipv6ct_table_alloc32)); |
| 3255 | if (retval) |
| 3256 | return retval; |
| 3257 | |
| 3258 | table_alloc.size = (size_t)table_alloc32.size; |
| 3259 | table_alloc.offset = (off_t)table_alloc32.offset; |
| 3260 | |
| 3261 | retval = alloc_func(&table_alloc); |
| 3262 | if (retval) |
| 3263 | return retval; |
| 3264 | |
| 3265 | if (table_alloc.offset) { |
| 3266 | table_alloc32.offset = (compat_off_t)table_alloc.offset; |
| 3267 | retval = copy_to_user((void __user *)arg, &table_alloc32, |
| 3268 | sizeof(struct ipa_ioc_nat_ipv6ct_table_alloc32)); |
| 3269 | } |
| 3270 | |
| 3271 | return retval; |
| 3272 | } |
| 3273 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3274 | long compat_ipa3_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 3275 | { |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3276 | long retval = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3277 | struct ipa3_ioc_nat_alloc_mem32 nat_mem32; |
| 3278 | struct ipa_ioc_nat_alloc_mem nat_mem; |
| 3279 | |
| 3280 | switch (cmd) { |
| 3281 | case IPA_IOC_ADD_HDR32: |
| 3282 | cmd = IPA_IOC_ADD_HDR; |
| 3283 | break; |
| 3284 | case IPA_IOC_DEL_HDR32: |
| 3285 | cmd = IPA_IOC_DEL_HDR; |
| 3286 | break; |
| 3287 | case IPA_IOC_ADD_RT_RULE32: |
| 3288 | cmd = IPA_IOC_ADD_RT_RULE; |
| 3289 | break; |
| 3290 | case IPA_IOC_DEL_RT_RULE32: |
| 3291 | cmd = IPA_IOC_DEL_RT_RULE; |
| 3292 | break; |
| 3293 | case IPA_IOC_ADD_FLT_RULE32: |
| 3294 | cmd = IPA_IOC_ADD_FLT_RULE; |
| 3295 | break; |
| 3296 | case IPA_IOC_DEL_FLT_RULE32: |
| 3297 | cmd = IPA_IOC_DEL_FLT_RULE; |
| 3298 | break; |
| 3299 | case IPA_IOC_GET_RT_TBL32: |
| 3300 | cmd = IPA_IOC_GET_RT_TBL; |
| 3301 | break; |
| 3302 | case IPA_IOC_COPY_HDR32: |
| 3303 | cmd = IPA_IOC_COPY_HDR; |
| 3304 | break; |
| 3305 | case IPA_IOC_QUERY_INTF32: |
| 3306 | cmd = IPA_IOC_QUERY_INTF; |
| 3307 | break; |
| 3308 | case IPA_IOC_QUERY_INTF_TX_PROPS32: |
| 3309 | cmd = IPA_IOC_QUERY_INTF_TX_PROPS; |
| 3310 | break; |
| 3311 | case IPA_IOC_QUERY_INTF_RX_PROPS32: |
| 3312 | cmd = IPA_IOC_QUERY_INTF_RX_PROPS; |
| 3313 | break; |
| 3314 | case IPA_IOC_QUERY_INTF_EXT_PROPS32: |
| 3315 | cmd = IPA_IOC_QUERY_INTF_EXT_PROPS; |
| 3316 | break; |
| 3317 | case IPA_IOC_GET_HDR32: |
| 3318 | cmd = IPA_IOC_GET_HDR; |
| 3319 | break; |
| 3320 | case IPA_IOC_ALLOC_NAT_MEM32: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3321 | retval = copy_from_user(&nat_mem32, (const void __user *)arg, |
| 3322 | sizeof(struct ipa3_ioc_nat_alloc_mem32)); |
| 3323 | if (retval) |
| 3324 | return retval; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3325 | memcpy(nat_mem.dev_name, nat_mem32.dev_name, |
| 3326 | IPA_RESOURCE_NAME_MAX); |
| 3327 | nat_mem.size = (size_t)nat_mem32.size; |
| 3328 | nat_mem.offset = (off_t)nat_mem32.offset; |
| 3329 | |
| 3330 | /* null terminate the string */ |
| 3331 | nat_mem.dev_name[IPA_RESOURCE_NAME_MAX - 1] = '\0'; |
| 3332 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3333 | retval = ipa3_allocate_nat_device(&nat_mem); |
| 3334 | if (retval) |
| 3335 | return retval; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3336 | nat_mem32.offset = (compat_off_t)nat_mem.offset; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3337 | retval = copy_to_user((void __user *)arg, &nat_mem32, |
| 3338 | sizeof(struct ipa3_ioc_nat_alloc_mem32)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3339 | return retval; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3340 | case IPA_IOC_ALLOC_NAT_TABLE32: |
| 3341 | return compat_ipa3_nat_ipv6ct_alloc_table(arg, |
| 3342 | ipa3_allocate_nat_table); |
| 3343 | case IPA_IOC_ALLOC_IPV6CT_TABLE32: |
| 3344 | return compat_ipa3_nat_ipv6ct_alloc_table(arg, |
| 3345 | ipa3_allocate_ipv6ct_table); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3346 | case IPA_IOC_V4_INIT_NAT32: |
| 3347 | cmd = IPA_IOC_V4_INIT_NAT; |
| 3348 | break; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3349 | case IPA_IOC_INIT_IPV6CT_TABLE32: |
| 3350 | cmd = IPA_IOC_INIT_IPV6CT_TABLE; |
| 3351 | break; |
| 3352 | case IPA_IOC_TABLE_DMA_CMD32: |
| 3353 | cmd = IPA_IOC_TABLE_DMA_CMD; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3354 | break; |
| 3355 | case IPA_IOC_V4_DEL_NAT32: |
| 3356 | cmd = IPA_IOC_V4_DEL_NAT; |
| 3357 | break; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 3358 | case IPA_IOC_DEL_NAT_TABLE32: |
| 3359 | cmd = IPA_IOC_DEL_NAT_TABLE; |
| 3360 | break; |
| 3361 | case IPA_IOC_DEL_IPV6CT_TABLE32: |
| 3362 | cmd = IPA_IOC_DEL_IPV6CT_TABLE; |
| 3363 | break; |
| 3364 | case IPA_IOC_NAT_MODIFY_PDN32: |
| 3365 | cmd = IPA_IOC_NAT_MODIFY_PDN; |
| 3366 | break; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3367 | case IPA_IOC_GET_NAT_OFFSET32: |
| 3368 | cmd = IPA_IOC_GET_NAT_OFFSET; |
| 3369 | break; |
| 3370 | case IPA_IOC_PULL_MSG32: |
| 3371 | cmd = IPA_IOC_PULL_MSG; |
| 3372 | break; |
| 3373 | case IPA_IOC_RM_ADD_DEPENDENCY32: |
| 3374 | cmd = IPA_IOC_RM_ADD_DEPENDENCY; |
| 3375 | break; |
| 3376 | case IPA_IOC_RM_DEL_DEPENDENCY32: |
| 3377 | cmd = IPA_IOC_RM_DEL_DEPENDENCY; |
| 3378 | break; |
| 3379 | case IPA_IOC_GENERATE_FLT_EQ32: |
| 3380 | cmd = IPA_IOC_GENERATE_FLT_EQ; |
| 3381 | break; |
| 3382 | case IPA_IOC_QUERY_RT_TBL_INDEX32: |
| 3383 | cmd = IPA_IOC_QUERY_RT_TBL_INDEX; |
| 3384 | break; |
| 3385 | case IPA_IOC_WRITE_QMAPID32: |
| 3386 | cmd = IPA_IOC_WRITE_QMAPID; |
| 3387 | break; |
| 3388 | case IPA_IOC_MDFY_FLT_RULE32: |
| 3389 | cmd = IPA_IOC_MDFY_FLT_RULE; |
| 3390 | break; |
| 3391 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD32: |
| 3392 | cmd = IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_ADD; |
| 3393 | break; |
| 3394 | case IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL32: |
| 3395 | cmd = IPA_IOC_NOTIFY_WAN_UPSTREAM_ROUTE_DEL; |
| 3396 | break; |
| 3397 | case IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED32: |
| 3398 | cmd = IPA_IOC_NOTIFY_WAN_EMBMS_CONNECTED; |
| 3399 | break; |
| 3400 | case IPA_IOC_MDFY_RT_RULE32: |
| 3401 | cmd = IPA_IOC_MDFY_RT_RULE; |
| 3402 | break; |
| 3403 | case IPA_IOC_COMMIT_HDR: |
| 3404 | case IPA_IOC_RESET_HDR: |
| 3405 | case IPA_IOC_COMMIT_RT: |
| 3406 | case IPA_IOC_RESET_RT: |
| 3407 | case IPA_IOC_COMMIT_FLT: |
| 3408 | case IPA_IOC_RESET_FLT: |
| 3409 | case IPA_IOC_DUMP: |
| 3410 | case IPA_IOC_PUT_RT_TBL: |
| 3411 | case IPA_IOC_PUT_HDR: |
| 3412 | case IPA_IOC_SET_FLT: |
| 3413 | case IPA_IOC_QUERY_EP_MAPPING: |
| 3414 | break; |
| 3415 | default: |
| 3416 | return -ENOIOCTLCMD; |
| 3417 | } |
| 3418 | return ipa3_ioctl(file, cmd, (unsigned long) compat_ptr(arg)); |
| 3419 | } |
| 3420 | #endif |
| 3421 | |
| 3422 | static ssize_t ipa3_write(struct file *file, const char __user *buf, |
| 3423 | size_t count, loff_t *ppos); |
| 3424 | |
| 3425 | static const struct file_operations ipa3_drv_fops = { |
| 3426 | .owner = THIS_MODULE, |
| 3427 | .open = ipa3_open, |
| 3428 | .read = ipa3_read, |
| 3429 | .write = ipa3_write, |
| 3430 | .unlocked_ioctl = ipa3_ioctl, |
| 3431 | #ifdef CONFIG_COMPAT |
| 3432 | .compat_ioctl = compat_ipa3_ioctl, |
| 3433 | #endif |
| 3434 | }; |
| 3435 | |
| 3436 | static int ipa3_get_clks(struct device *dev) |
| 3437 | { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3438 | if (ipa3_res.use_bw_vote) { |
| 3439 | IPADBG("Vote IPA clock by bw voting via bus scaling driver\n"); |
| 3440 | ipa3_clk = NULL; |
| 3441 | return 0; |
| 3442 | } |
| 3443 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3444 | ipa3_clk = clk_get(dev, "core_clk"); |
| 3445 | if (IS_ERR(ipa3_clk)) { |
| 3446 | if (ipa3_clk != ERR_PTR(-EPROBE_DEFER)) |
| 3447 | IPAERR("fail to get ipa clk\n"); |
| 3448 | return PTR_ERR(ipa3_clk); |
| 3449 | } |
| 3450 | return 0; |
| 3451 | } |
| 3452 | |
| 3453 | /** |
| 3454 | * _ipa_enable_clks_v3_0() - Enable IPA clocks. |
| 3455 | */ |
| 3456 | void _ipa_enable_clks_v3_0(void) |
| 3457 | { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3458 | 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] | 3459 | if (ipa3_clk) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3460 | IPADBG_LOW("enabling gcc_ipa_clk\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3461 | clk_prepare(ipa3_clk); |
| 3462 | clk_enable(ipa3_clk); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3463 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3464 | } |
| 3465 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3466 | ipa3_uc_notify_clk_state(true); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3467 | } |
| 3468 | |
| 3469 | static unsigned int ipa3_get_bus_vote(void) |
| 3470 | { |
| 3471 | unsigned int idx = 1; |
| 3472 | |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3473 | 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] | 3474 | idx = 1; |
| 3475 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3476 | ipa3_ctx->ctrl->ipa_clk_rate_svs) { |
| 3477 | idx = 2; |
| 3478 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
| 3479 | ipa3_ctx->ctrl->ipa_clk_rate_nominal) { |
| 3480 | idx = 3; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3481 | } else if (ipa3_ctx->curr_ipa_clk_rate == |
| 3482 | ipa3_ctx->ctrl->ipa_clk_rate_turbo) { |
| 3483 | idx = ipa3_ctx->ctrl->msm_bus_data_ptr->num_usecases - 1; |
| 3484 | } else { |
| 3485 | WARN_ON(1); |
| 3486 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3487 | IPADBG("curr %d idx %d\n", ipa3_ctx->curr_ipa_clk_rate, idx); |
| 3488 | |
| 3489 | return idx; |
| 3490 | } |
| 3491 | |
| 3492 | /** |
| 3493 | * ipa3_enable_clks() - Turn on IPA clocks |
| 3494 | * |
| 3495 | * Return codes: |
| 3496 | * None |
| 3497 | */ |
| 3498 | void ipa3_enable_clks(void) |
| 3499 | { |
| 3500 | IPADBG("enabling IPA clocks and bus voting\n"); |
| 3501 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3502 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
| 3503 | ipa3_get_bus_vote())) |
| 3504 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3505 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3506 | ipa3_ctx->ctrl->ipa3_enable_clks(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3507 | } |
| 3508 | |
| 3509 | |
| 3510 | /** |
| 3511 | * _ipa_disable_clks_v3_0() - Disable IPA clocks. |
| 3512 | */ |
| 3513 | void _ipa_disable_clks_v3_0(void) |
| 3514 | { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3515 | ipa3_suspend_apps_pipes(true); |
| 3516 | ipa3_uc_notify_clk_state(false); |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3517 | if (ipa3_clk) { |
| 3518 | IPADBG_LOW("disabling gcc_ipa_clk\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3519 | clk_disable_unprepare(ipa3_clk); |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3520 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3521 | } |
| 3522 | |
| 3523 | /** |
| 3524 | * ipa3_disable_clks() - Turn off IPA clocks |
| 3525 | * |
| 3526 | * Return codes: |
| 3527 | * None |
| 3528 | */ |
| 3529 | void ipa3_disable_clks(void) |
| 3530 | { |
| 3531 | IPADBG("disabling IPA clocks and bus voting\n"); |
| 3532 | |
| 3533 | ipa3_ctx->ctrl->ipa3_disable_clks(); |
| 3534 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3535 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, 0)) |
| 3536 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3537 | } |
| 3538 | |
| 3539 | /** |
| 3540 | * ipa3_start_tag_process() - Send TAG packet and wait for it to come back |
| 3541 | * |
| 3542 | * This function is called prior to clock gating when active client counter |
| 3543 | * 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] | 3544 | * were not submitted to the IPA client via the transport. During TAG process |
| 3545 | * all aggregation frames are (force) closed. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3546 | * |
| 3547 | * Return codes: |
| 3548 | * None |
| 3549 | */ |
| 3550 | static void ipa3_start_tag_process(struct work_struct *work) |
| 3551 | { |
| 3552 | int res; |
| 3553 | |
| 3554 | IPADBG("starting TAG process\n"); |
| 3555 | /* close aggregation frames on all pipes */ |
| 3556 | res = ipa3_tag_aggr_force_close(-1); |
| 3557 | if (res) |
| 3558 | IPAERR("ipa3_tag_aggr_force_close failed %d\n", res); |
| 3559 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("TAG_PROCESS"); |
| 3560 | |
| 3561 | IPADBG("TAG process done\n"); |
| 3562 | } |
| 3563 | |
| 3564 | /** |
| 3565 | * ipa3_active_clients_log_mod() - Log a modification in the active clients |
| 3566 | * reference count |
| 3567 | * |
| 3568 | * This method logs any modification in the active clients reference count: |
| 3569 | * It logs the modification in the circular history buffer |
| 3570 | * It logs the modification in the hash table - looking for an entry, |
| 3571 | * creating one if needed and deleting one if needed. |
| 3572 | * |
| 3573 | * @id: ipa3_active client logging info struct to hold the log information |
| 3574 | * @inc: a boolean variable to indicate whether the modification is an increase |
| 3575 | * or decrease |
| 3576 | * @int_ctx: a boolean variable to indicate whether this call is being made from |
| 3577 | * an interrupt context and therefore should allocate GFP_ATOMIC memory |
| 3578 | * |
| 3579 | * Method process: |
| 3580 | * - Hash the unique identifier string |
| 3581 | * - Find the hash in the table |
| 3582 | * 1)If found, increase or decrease the reference count |
| 3583 | * 2)If not found, allocate a new hash table entry struct and initialize it |
| 3584 | * - Remove and deallocate unneeded data structure |
| 3585 | * - Log the call in the circular history buffer (unless it is a simple call) |
| 3586 | */ |
| 3587 | void ipa3_active_clients_log_mod(struct ipa_active_client_logging_info *id, |
| 3588 | bool inc, bool int_ctx) |
| 3589 | { |
| 3590 | char temp_str[IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN]; |
| 3591 | unsigned long long t; |
| 3592 | unsigned long nanosec_rem; |
| 3593 | struct ipa3_active_client_htable_entry *hentry; |
| 3594 | struct ipa3_active_client_htable_entry *hfound; |
| 3595 | u32 hkey; |
| 3596 | char str_to_hash[IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN]; |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3597 | unsigned long flags; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3598 | |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3599 | spin_lock_irqsave(&ipa3_ctx->ipa3_active_clients_logging.lock, flags); |
| 3600 | int_ctx = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3601 | hfound = NULL; |
| 3602 | memset(str_to_hash, 0, IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN); |
| 3603 | 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] | 3604 | hkey = jhash(str_to_hash, IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3605 | 0); |
| 3606 | hash_for_each_possible(ipa3_ctx->ipa3_active_clients_logging.htable, |
| 3607 | hentry, list, hkey) { |
| 3608 | if (!strcmp(hentry->id_string, id->id_string)) { |
| 3609 | hentry->count = hentry->count + (inc ? 1 : -1); |
| 3610 | hfound = hentry; |
| 3611 | } |
| 3612 | } |
| 3613 | if (hfound == NULL) { |
| 3614 | hentry = NULL; |
| 3615 | hentry = kzalloc(sizeof( |
| 3616 | struct ipa3_active_client_htable_entry), |
| 3617 | int_ctx ? GFP_ATOMIC : GFP_KERNEL); |
| 3618 | if (hentry == NULL) { |
| 3619 | IPAERR("failed allocating active clients hash entry"); |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3620 | spin_unlock_irqrestore( |
| 3621 | &ipa3_ctx->ipa3_active_clients_logging.lock, |
| 3622 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3623 | return; |
| 3624 | } |
| 3625 | hentry->type = id->type; |
| 3626 | strlcpy(hentry->id_string, id->id_string, |
| 3627 | IPA3_ACTIVE_CLIENTS_LOG_NAME_LEN); |
| 3628 | INIT_HLIST_NODE(&hentry->list); |
| 3629 | hentry->count = inc ? 1 : -1; |
| 3630 | hash_add(ipa3_ctx->ipa3_active_clients_logging.htable, |
| 3631 | &hentry->list, hkey); |
| 3632 | } else if (hfound->count == 0) { |
| 3633 | hash_del(&hfound->list); |
| 3634 | kfree(hfound); |
| 3635 | } |
| 3636 | |
| 3637 | if (id->type != SIMPLE) { |
| 3638 | t = local_clock(); |
| 3639 | nanosec_rem = do_div(t, 1000000000) / 1000; |
| 3640 | snprintf(temp_str, IPA3_ACTIVE_CLIENTS_LOG_LINE_LEN, |
| 3641 | inc ? "[%5lu.%06lu] ^ %s, %s: %d" : |
| 3642 | "[%5lu.%06lu] v %s, %s: %d", |
| 3643 | (unsigned long)t, nanosec_rem, |
| 3644 | id->id_string, id->file, id->line); |
| 3645 | ipa3_active_clients_log_insert(temp_str); |
| 3646 | } |
Skylar Chang | 69ae50e | 2017-07-31 13:13:29 -0700 | [diff] [blame] | 3647 | spin_unlock_irqrestore(&ipa3_ctx->ipa3_active_clients_logging.lock, |
| 3648 | flags); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3649 | } |
| 3650 | |
| 3651 | void ipa3_active_clients_log_dec(struct ipa_active_client_logging_info *id, |
| 3652 | bool int_ctx) |
| 3653 | { |
| 3654 | ipa3_active_clients_log_mod(id, false, int_ctx); |
| 3655 | } |
| 3656 | |
| 3657 | void ipa3_active_clients_log_inc(struct ipa_active_client_logging_info *id, |
| 3658 | bool int_ctx) |
| 3659 | { |
| 3660 | ipa3_active_clients_log_mod(id, true, int_ctx); |
| 3661 | } |
| 3662 | |
| 3663 | /** |
| 3664 | * ipa3_inc_client_enable_clks() - Increase active clients counter, and |
| 3665 | * enable ipa clocks if necessary |
| 3666 | * |
| 3667 | * Return codes: |
| 3668 | * None |
| 3669 | */ |
| 3670 | void ipa3_inc_client_enable_clks(struct ipa_active_client_logging_info *id) |
| 3671 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3672 | int ret; |
| 3673 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3674 | ipa3_active_clients_log_inc(id, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3675 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3676 | if (ret) { |
| 3677 | IPADBG_LOW("active clients = %d\n", |
| 3678 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3679 | return; |
| 3680 | } |
| 3681 | |
| 3682 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3683 | |
| 3684 | /* somebody might voted to clocks meanwhile */ |
| 3685 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3686 | if (ret) { |
| 3687 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3688 | IPADBG_LOW("active clients = %d\n", |
| 3689 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3690 | return; |
| 3691 | } |
| 3692 | |
| 3693 | ipa3_enable_clks(); |
| 3694 | atomic_inc(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3695 | IPADBG_LOW("active clients = %d\n", |
| 3696 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3697 | ipa3_suspend_apps_pipes(false); |
| 3698 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3699 | } |
| 3700 | |
| 3701 | /** |
| 3702 | * ipa3_inc_client_enable_clks_no_block() - Only increment the number of active |
| 3703 | * clients if no asynchronous actions should be done. Asynchronous actions are |
| 3704 | * locking a mutex and waking up IPA HW. |
| 3705 | * |
| 3706 | * Return codes: 0 for success |
| 3707 | * -EPERM if an asynchronous action should have been done |
| 3708 | */ |
| 3709 | int ipa3_inc_client_enable_clks_no_block(struct ipa_active_client_logging_info |
| 3710 | *id) |
| 3711 | { |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3712 | int ret; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3713 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3714 | ret = atomic_inc_not_zero(&ipa3_ctx->ipa3_active_clients.cnt); |
| 3715 | if (ret) { |
| 3716 | ipa3_active_clients_log_inc(id, true); |
| 3717 | IPADBG_LOW("active clients = %d\n", |
| 3718 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3719 | return 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3720 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3721 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3722 | return -EPERM; |
| 3723 | } |
| 3724 | |
| 3725 | static void __ipa3_dec_client_disable_clks(void) |
| 3726 | { |
| 3727 | int ret; |
| 3728 | |
| 3729 | if (!atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)) { |
| 3730 | IPAERR("trying to disable clocks with refcnt is 0!\n"); |
| 3731 | ipa_assert(); |
| 3732 | return; |
| 3733 | } |
| 3734 | |
| 3735 | ret = atomic_add_unless(&ipa3_ctx->ipa3_active_clients.cnt, -1, 1); |
| 3736 | if (ret) |
| 3737 | goto bail; |
| 3738 | |
| 3739 | /* seems like this is the only client holding the clocks */ |
| 3740 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3741 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) == 1 && |
| 3742 | ipa3_ctx->tag_process_before_gating) { |
| 3743 | ipa3_ctx->tag_process_before_gating = false; |
| 3744 | /* |
| 3745 | * When TAG process ends, active clients will be |
| 3746 | * decreased |
| 3747 | */ |
| 3748 | queue_work(ipa3_ctx->power_mgmt_wq, &ipa3_tag_work); |
| 3749 | goto unlock_mutex; |
| 3750 | } |
| 3751 | |
| 3752 | /* a different context might increase the clock reference meanwhile */ |
| 3753 | ret = atomic_sub_return(1, &ipa3_ctx->ipa3_active_clients.cnt); |
| 3754 | if (ret > 0) |
| 3755 | goto unlock_mutex; |
| 3756 | ipa3_disable_clks(); |
| 3757 | |
| 3758 | unlock_mutex: |
| 3759 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3760 | bail: |
| 3761 | IPADBG_LOW("active clients = %d\n", |
| 3762 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3763 | } |
| 3764 | |
| 3765 | /** |
| 3766 | * ipa3_dec_client_disable_clks() - Decrease active clients counter |
| 3767 | * |
| 3768 | * In case that there are no active clients this function also starts |
| 3769 | * TAG process. When TAG progress ends ipa clocks will be gated. |
| 3770 | * start_tag_process_again flag is set during this function to signal TAG |
| 3771 | * process to start again as there was another client that may send data to ipa |
| 3772 | * |
| 3773 | * Return codes: |
| 3774 | * None |
| 3775 | */ |
| 3776 | void ipa3_dec_client_disable_clks(struct ipa_active_client_logging_info *id) |
| 3777 | { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3778 | ipa3_active_clients_log_dec(id, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3779 | __ipa3_dec_client_disable_clks(); |
| 3780 | } |
| 3781 | |
| 3782 | static void ipa_dec_clients_disable_clks_on_wq(struct work_struct *work) |
| 3783 | { |
| 3784 | __ipa3_dec_client_disable_clks(); |
| 3785 | } |
| 3786 | |
| 3787 | /** |
| 3788 | * ipa3_dec_client_disable_clks_no_block() - Decrease active clients counter |
| 3789 | * if possible without blocking. If this is the last client then the desrease |
| 3790 | * will happen from work queue context. |
| 3791 | * |
| 3792 | * Return codes: |
| 3793 | * None |
| 3794 | */ |
| 3795 | void ipa3_dec_client_disable_clks_no_block( |
| 3796 | struct ipa_active_client_logging_info *id) |
| 3797 | { |
| 3798 | int ret; |
| 3799 | |
| 3800 | ipa3_active_clients_log_dec(id, true); |
| 3801 | ret = atomic_add_unless(&ipa3_ctx->ipa3_active_clients.cnt, -1, 1); |
| 3802 | if (ret) { |
| 3803 | IPADBG_LOW("active clients = %d\n", |
| 3804 | atomic_read(&ipa3_ctx->ipa3_active_clients.cnt)); |
| 3805 | return; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3806 | } |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3807 | |
| 3808 | /* seems like this is the only client holding the clocks */ |
| 3809 | queue_work(ipa3_ctx->power_mgmt_wq, |
| 3810 | &ipa_dec_clients_disable_clks_on_wq_work); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3811 | } |
| 3812 | |
| 3813 | /** |
| 3814 | * ipa3_inc_acquire_wakelock() - Increase active clients counter, and |
| 3815 | * acquire wakelock if necessary |
| 3816 | * |
| 3817 | * Return codes: |
| 3818 | * None |
| 3819 | */ |
| 3820 | void ipa3_inc_acquire_wakelock(void) |
| 3821 | { |
| 3822 | unsigned long flags; |
| 3823 | |
| 3824 | spin_lock_irqsave(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3825 | ipa3_ctx->wakelock_ref_cnt.cnt++; |
| 3826 | if (ipa3_ctx->wakelock_ref_cnt.cnt == 1) |
| 3827 | __pm_stay_awake(&ipa3_ctx->w_lock); |
| 3828 | IPADBG_LOW("active wakelock ref cnt = %d\n", |
| 3829 | ipa3_ctx->wakelock_ref_cnt.cnt); |
| 3830 | spin_unlock_irqrestore(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3831 | } |
| 3832 | |
| 3833 | /** |
| 3834 | * ipa3_dec_release_wakelock() - Decrease active clients counter |
| 3835 | * |
| 3836 | * In case if the ref count is 0, release the wakelock. |
| 3837 | * |
| 3838 | * Return codes: |
| 3839 | * None |
| 3840 | */ |
| 3841 | void ipa3_dec_release_wakelock(void) |
| 3842 | { |
| 3843 | unsigned long flags; |
| 3844 | |
| 3845 | spin_lock_irqsave(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3846 | ipa3_ctx->wakelock_ref_cnt.cnt--; |
| 3847 | IPADBG_LOW("active wakelock ref cnt = %d\n", |
| 3848 | ipa3_ctx->wakelock_ref_cnt.cnt); |
| 3849 | if (ipa3_ctx->wakelock_ref_cnt.cnt == 0) |
| 3850 | __pm_relax(&ipa3_ctx->w_lock); |
| 3851 | spin_unlock_irqrestore(&ipa3_ctx->wakelock_ref_cnt.spinlock, flags); |
| 3852 | } |
| 3853 | |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 3854 | int ipa3_set_clock_plan_from_pm(int idx) |
| 3855 | { |
| 3856 | u32 clk_rate; |
| 3857 | |
Michael Adisumarta | fd2d2fc9 | 2017-12-11 11:34:02 -0800 | [diff] [blame] | 3858 | if (!ipa3_ctx->enable_clock_scaling) |
| 3859 | return 0; |
| 3860 | |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 3861 | IPADBG_LOW("idx = %d\n", idx); |
| 3862 | |
| 3863 | if (idx <= 0 || idx >= ipa3_ctx->ctrl->msm_bus_data_ptr->num_usecases) { |
| 3864 | IPAERR("bad voltage\n"); |
| 3865 | return -EINVAL; |
| 3866 | } |
| 3867 | |
| 3868 | if (idx == 1) |
Michael Adisumarta | fd2d2fc9 | 2017-12-11 11:34:02 -0800 | [diff] [blame] | 3869 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs2; |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 3870 | else if (idx == 2) |
Michael Adisumarta | fd2d2fc9 | 2017-12-11 11:34:02 -0800 | [diff] [blame] | 3871 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs; |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 3872 | else if (idx == 3) |
Michael Adisumarta | fd2d2fc9 | 2017-12-11 11:34:02 -0800 | [diff] [blame] | 3873 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_nominal; |
| 3874 | else if (idx == 4) |
Michael Adisumarta | c06df41 | 2017-09-19 10:10:35 -0700 | [diff] [blame] | 3875 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 3876 | else { |
| 3877 | IPAERR("bad voltage\n"); |
| 3878 | WARN_ON(1); |
| 3879 | return -EFAULT; |
| 3880 | } |
| 3881 | |
| 3882 | if (clk_rate == ipa3_ctx->curr_ipa_clk_rate) { |
| 3883 | IPADBG_LOW("Same voltage\n"); |
| 3884 | return 0; |
| 3885 | } |
| 3886 | |
| 3887 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3888 | ipa3_ctx->curr_ipa_clk_rate = clk_rate; |
| 3889 | ipa3_ctx->ipa3_active_clients.bus_vote_idx = idx; |
| 3890 | IPADBG_LOW("setting clock rate to %u\n", ipa3_ctx->curr_ipa_clk_rate); |
| 3891 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) > 0) { |
| 3892 | if (ipa3_clk) |
| 3893 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
| 3894 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
| 3895 | ipa3_get_bus_vote())) |
| 3896 | WARN_ON(1); |
| 3897 | } else { |
| 3898 | IPADBG_LOW("clocks are gated, not setting rate\n"); |
| 3899 | } |
| 3900 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
| 3901 | IPADBG_LOW("Done\n"); |
| 3902 | |
| 3903 | return 0; |
| 3904 | } |
| 3905 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3906 | int ipa3_set_required_perf_profile(enum ipa_voltage_level floor_voltage, |
| 3907 | u32 bandwidth_mbps) |
| 3908 | { |
| 3909 | enum ipa_voltage_level needed_voltage; |
| 3910 | u32 clk_rate; |
| 3911 | |
| 3912 | IPADBG_LOW("floor_voltage=%d, bandwidth_mbps=%u", |
| 3913 | floor_voltage, bandwidth_mbps); |
| 3914 | |
| 3915 | if (floor_voltage < IPA_VOLTAGE_UNSPECIFIED || |
| 3916 | floor_voltage >= IPA_VOLTAGE_MAX) { |
| 3917 | IPAERR("bad voltage\n"); |
| 3918 | return -EINVAL; |
| 3919 | } |
| 3920 | |
| 3921 | if (ipa3_ctx->enable_clock_scaling) { |
| 3922 | IPADBG_LOW("Clock scaling is enabled\n"); |
| 3923 | if (bandwidth_mbps >= |
| 3924 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_turbo) |
| 3925 | needed_voltage = IPA_VOLTAGE_TURBO; |
| 3926 | else if (bandwidth_mbps >= |
| 3927 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_nominal) |
| 3928 | needed_voltage = IPA_VOLTAGE_NOMINAL; |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3929 | else if (bandwidth_mbps >= |
| 3930 | ipa3_ctx->ctrl->clock_scaling_bw_threshold_svs) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3931 | needed_voltage = IPA_VOLTAGE_SVS; |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3932 | else |
| 3933 | needed_voltage = IPA_VOLTAGE_SVS2; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3934 | } else { |
| 3935 | IPADBG_LOW("Clock scaling is disabled\n"); |
| 3936 | needed_voltage = IPA_VOLTAGE_NOMINAL; |
| 3937 | } |
| 3938 | |
| 3939 | needed_voltage = max(needed_voltage, floor_voltage); |
| 3940 | switch (needed_voltage) { |
Skylar Chang | 448d8b8 | 2017-08-08 17:30:32 -0700 | [diff] [blame] | 3941 | case IPA_VOLTAGE_SVS2: |
| 3942 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs2; |
| 3943 | break; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3944 | case IPA_VOLTAGE_SVS: |
| 3945 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_svs; |
| 3946 | break; |
| 3947 | case IPA_VOLTAGE_NOMINAL: |
| 3948 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_nominal; |
| 3949 | break; |
| 3950 | case IPA_VOLTAGE_TURBO: |
| 3951 | clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 3952 | break; |
| 3953 | default: |
| 3954 | IPAERR("bad voltage\n"); |
| 3955 | WARN_ON(1); |
| 3956 | return -EFAULT; |
| 3957 | } |
| 3958 | |
| 3959 | if (clk_rate == ipa3_ctx->curr_ipa_clk_rate) { |
| 3960 | IPADBG_LOW("Same voltage\n"); |
| 3961 | return 0; |
| 3962 | } |
| 3963 | |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3964 | /* Hold the mutex to avoid race conditions with ipa3_enable_clocks() */ |
| 3965 | mutex_lock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3966 | ipa3_ctx->curr_ipa_clk_rate = clk_rate; |
| 3967 | 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] | 3968 | if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) > 0) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3969 | if (ipa3_clk) |
| 3970 | clk_set_rate(ipa3_clk, ipa3_ctx->curr_ipa_clk_rate); |
| 3971 | if (msm_bus_scale_client_update_request(ipa3_ctx->ipa_bus_hdl, |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3972 | ipa3_get_bus_vote())) |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 3973 | WARN_ON(1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3974 | } else { |
| 3975 | IPADBG_LOW("clocks are gated, not setting rate\n"); |
| 3976 | } |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 3977 | mutex_unlock(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3978 | IPADBG_LOW("Done\n"); |
Skylar Chang | 1cbe99c | 2017-05-01 13:44:03 -0700 | [diff] [blame] | 3979 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3980 | return 0; |
| 3981 | } |
| 3982 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3983 | static void ipa3_process_irq_schedule_rel(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3984 | { |
| 3985 | queue_delayed_work(ipa3_ctx->transport_power_mgmt_wq, |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 3986 | &ipa3_transport_release_resource_work, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 3987 | msecs_to_jiffies(IPA_TRANSPORT_PROD_TIMEOUT_MSEC)); |
| 3988 | } |
| 3989 | |
| 3990 | /** |
| 3991 | * ipa3_suspend_handler() - Handles the suspend interrupt: |
| 3992 | * wakes up the suspended peripheral by requesting its consumer |
| 3993 | * @interrupt: Interrupt type |
| 3994 | * @private_data: The client's private data |
| 3995 | * @interrupt_data: Interrupt specific information data |
| 3996 | */ |
| 3997 | void ipa3_suspend_handler(enum ipa_irq_type interrupt, |
| 3998 | void *private_data, |
| 3999 | void *interrupt_data) |
| 4000 | { |
| 4001 | enum ipa_rm_resource_name resource; |
| 4002 | u32 suspend_data = |
| 4003 | ((struct ipa_tx_suspend_irq_data *)interrupt_data)->endpoints; |
| 4004 | u32 bmsk = 1; |
| 4005 | u32 i = 0; |
| 4006 | int res; |
| 4007 | struct ipa_ep_cfg_holb holb_cfg; |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4008 | u32 pipe_bitmask = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4009 | |
| 4010 | IPADBG("interrupt=%d, interrupt_data=%u\n", |
| 4011 | interrupt, suspend_data); |
| 4012 | memset(&holb_cfg, 0, sizeof(holb_cfg)); |
| 4013 | holb_cfg.tmr_val = 0; |
| 4014 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4015 | 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] | 4016 | if ((suspend_data & bmsk) && (ipa3_ctx->ep[i].valid)) { |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4017 | if (ipa3_ctx->use_ipa_pm) { |
| 4018 | pipe_bitmask |= bmsk; |
| 4019 | continue; |
| 4020 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4021 | if (IPA_CLIENT_IS_APPS_CONS(ipa3_ctx->ep[i].client)) { |
| 4022 | /* |
| 4023 | * pipe will be unsuspended as part of |
| 4024 | * enabling IPA clocks |
| 4025 | */ |
Skylar Chang | 0d06bb1 | 2017-02-24 11:22:03 -0800 | [diff] [blame] | 4026 | mutex_lock(&ipa3_ctx->transport_pm. |
| 4027 | transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4028 | if (!atomic_read( |
| 4029 | &ipa3_ctx->transport_pm.dec_clients) |
| 4030 | ) { |
| 4031 | IPA_ACTIVE_CLIENTS_INC_EP( |
| 4032 | ipa3_ctx->ep[i].client); |
| 4033 | IPADBG_LOW("Pipes un-suspended.\n"); |
| 4034 | IPADBG_LOW("Enter poll mode.\n"); |
| 4035 | atomic_set( |
| 4036 | &ipa3_ctx->transport_pm.dec_clients, |
| 4037 | 1); |
Skylar Chang | 9e3b649 | 2017-11-07 09:49:48 -0800 | [diff] [blame] | 4038 | /* |
| 4039 | * acquire wake lock as long as suspend |
| 4040 | * vote is held |
| 4041 | */ |
| 4042 | ipa3_inc_acquire_wakelock(); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4043 | ipa3_process_irq_schedule_rel(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4044 | } |
Skylar Chang | 0d06bb1 | 2017-02-24 11:22:03 -0800 | [diff] [blame] | 4045 | mutex_unlock(&ipa3_ctx->transport_pm. |
| 4046 | transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4047 | } else { |
| 4048 | resource = ipa3_get_rm_resource_from_ep(i); |
| 4049 | res = |
| 4050 | ipa_rm_request_resource_with_timer(resource); |
| 4051 | if (res == -EPERM && |
| 4052 | IPA_CLIENT_IS_CONS( |
| 4053 | ipa3_ctx->ep[i].client)) { |
| 4054 | holb_cfg.en = 1; |
| 4055 | res = ipa3_cfg_ep_holb_by_client( |
| 4056 | ipa3_ctx->ep[i].client, &holb_cfg); |
| 4057 | if (res) { |
| 4058 | IPAERR("holb en fail, stall\n"); |
| 4059 | BUG(); |
| 4060 | } |
| 4061 | } |
| 4062 | } |
| 4063 | } |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4064 | } |
| 4065 | if (ipa3_ctx->use_ipa_pm) { |
| 4066 | res = ipa_pm_handle_suspend(pipe_bitmask); |
| 4067 | if (res) { |
| 4068 | IPAERR("ipa_pm_handle_suspend failed %d\n", res); |
| 4069 | return; |
| 4070 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4071 | } |
| 4072 | } |
| 4073 | |
| 4074 | /** |
| 4075 | * ipa3_restore_suspend_handler() - restores the original suspend IRQ handler |
| 4076 | * as it was registered in the IPA init sequence. |
| 4077 | * Return codes: |
| 4078 | * 0: success |
| 4079 | * -EPERM: failed to remove current handler or failed to add original handler |
| 4080 | */ |
| 4081 | int ipa3_restore_suspend_handler(void) |
| 4082 | { |
| 4083 | int result = 0; |
| 4084 | |
| 4085 | result = ipa3_remove_interrupt_handler(IPA_TX_SUSPEND_IRQ); |
| 4086 | if (result) { |
| 4087 | IPAERR("remove handler for suspend interrupt failed\n"); |
| 4088 | return -EPERM; |
| 4089 | } |
| 4090 | |
| 4091 | result = ipa3_add_interrupt_handler(IPA_TX_SUSPEND_IRQ, |
| 4092 | ipa3_suspend_handler, false, NULL); |
| 4093 | if (result) { |
| 4094 | IPAERR("register handler for suspend interrupt failed\n"); |
| 4095 | result = -EPERM; |
| 4096 | } |
| 4097 | |
| 4098 | IPADBG("suspend handler successfully restored\n"); |
| 4099 | |
| 4100 | return result; |
| 4101 | } |
| 4102 | |
| 4103 | static int ipa3_apps_cons_release_resource(void) |
| 4104 | { |
| 4105 | return 0; |
| 4106 | } |
| 4107 | |
| 4108 | static int ipa3_apps_cons_request_resource(void) |
| 4109 | { |
| 4110 | return 0; |
| 4111 | } |
| 4112 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4113 | static void ipa3_transport_release_resource(struct work_struct *work) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4114 | { |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 4115 | mutex_lock(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4116 | /* check whether still need to decrease client usage */ |
| 4117 | if (atomic_read(&ipa3_ctx->transport_pm.dec_clients)) { |
| 4118 | if (atomic_read(&ipa3_ctx->transport_pm.eot_activity)) { |
| 4119 | IPADBG("EOT pending Re-scheduling\n"); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4120 | ipa3_process_irq_schedule_rel(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4121 | } else { |
| 4122 | atomic_set(&ipa3_ctx->transport_pm.dec_clients, 0); |
Skylar Chang | 9e3b649 | 2017-11-07 09:49:48 -0800 | [diff] [blame] | 4123 | ipa3_dec_release_wakelock(); |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4124 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("TRANSPORT_RESOURCE"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4125 | } |
| 4126 | } |
| 4127 | atomic_set(&ipa3_ctx->transport_pm.eot_activity, 0); |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 4128 | mutex_unlock(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4129 | } |
| 4130 | |
| 4131 | int ipa3_create_apps_resource(void) |
| 4132 | { |
| 4133 | struct ipa_rm_create_params apps_cons_create_params; |
| 4134 | struct ipa_rm_perf_profile profile; |
| 4135 | int result = 0; |
| 4136 | |
| 4137 | memset(&apps_cons_create_params, 0, |
| 4138 | sizeof(apps_cons_create_params)); |
| 4139 | apps_cons_create_params.name = IPA_RM_RESOURCE_APPS_CONS; |
| 4140 | apps_cons_create_params.request_resource = |
| 4141 | ipa3_apps_cons_request_resource; |
| 4142 | apps_cons_create_params.release_resource = |
| 4143 | ipa3_apps_cons_release_resource; |
| 4144 | result = ipa_rm_create_resource(&apps_cons_create_params); |
| 4145 | if (result) { |
| 4146 | IPAERR("ipa_rm_create_resource failed\n"); |
| 4147 | return result; |
| 4148 | } |
| 4149 | |
| 4150 | profile.max_supported_bandwidth_mbps = IPA_APPS_MAX_BW_IN_MBPS; |
| 4151 | ipa_rm_set_perf_profile(IPA_RM_RESOURCE_APPS_CONS, &profile); |
| 4152 | |
| 4153 | return result; |
| 4154 | } |
| 4155 | |
| 4156 | /** |
| 4157 | * ipa3_init_interrupts() - Register to IPA IRQs |
| 4158 | * |
| 4159 | * Return codes: 0 in success, negative in failure |
| 4160 | * |
| 4161 | */ |
| 4162 | int ipa3_init_interrupts(void) |
| 4163 | { |
| 4164 | int result; |
| 4165 | |
| 4166 | /*register IPA IRQ handler*/ |
| 4167 | result = ipa3_interrupts_init(ipa3_res.ipa_irq, 0, |
| 4168 | master_dev); |
| 4169 | if (result) { |
| 4170 | IPAERR("ipa interrupts initialization failed\n"); |
| 4171 | return -ENODEV; |
| 4172 | } |
| 4173 | |
| 4174 | /*add handler for suspend interrupt*/ |
| 4175 | result = ipa3_add_interrupt_handler(IPA_TX_SUSPEND_IRQ, |
| 4176 | ipa3_suspend_handler, false, NULL); |
| 4177 | if (result) { |
| 4178 | IPAERR("register handler for suspend interrupt failed\n"); |
| 4179 | result = -ENODEV; |
| 4180 | goto fail_add_interrupt_handler; |
| 4181 | } |
| 4182 | |
| 4183 | return 0; |
| 4184 | |
| 4185 | fail_add_interrupt_handler: |
| 4186 | free_irq(ipa3_res.ipa_irq, master_dev); |
| 4187 | return result; |
| 4188 | } |
| 4189 | |
| 4190 | /** |
| 4191 | * ipa3_destroy_flt_tbl_idrs() - destroy the idr structure for flt tables |
| 4192 | * The idr strcuture per filtering table is intended for rule id generation |
| 4193 | * per filtering rule. |
| 4194 | */ |
| 4195 | static void ipa3_destroy_flt_tbl_idrs(void) |
| 4196 | { |
| 4197 | int i; |
| 4198 | struct ipa3_flt_tbl *flt_tbl; |
| 4199 | |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4200 | idr_destroy(&ipa3_ctx->flt_rule_ids[IPA_IP_v4]); |
| 4201 | idr_destroy(&ipa3_ctx->flt_rule_ids[IPA_IP_v6]); |
| 4202 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4203 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 4204 | if (!ipa_is_ep_support_flt(i)) |
| 4205 | continue; |
| 4206 | |
| 4207 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v4]; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4208 | flt_tbl->rule_ids = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4209 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v6]; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4210 | flt_tbl->rule_ids = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4211 | } |
| 4212 | } |
| 4213 | |
| 4214 | static void ipa3_freeze_clock_vote_and_notify_modem(void) |
| 4215 | { |
| 4216 | int res; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4217 | struct ipa_active_client_logging_info log_info; |
| 4218 | |
| 4219 | if (ipa3_ctx->smp2p_info.res_sent) |
| 4220 | return; |
| 4221 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4222 | if (ipa3_ctx->smp2p_info.out_base_id == 0) { |
| 4223 | IPAERR("smp2p out gpio not assigned\n"); |
| 4224 | return; |
| 4225 | } |
| 4226 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4227 | IPA_ACTIVE_CLIENTS_PREP_SPECIAL(log_info, "FREEZE_VOTE"); |
| 4228 | res = ipa3_inc_client_enable_clks_no_block(&log_info); |
| 4229 | if (res) |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4230 | ipa3_ctx->smp2p_info.ipa_clk_on = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4231 | else |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4232 | ipa3_ctx->smp2p_info.ipa_clk_on = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4233 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4234 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4235 | IPA_GPIO_OUT_CLK_VOTE_IDX, |
| 4236 | ipa3_ctx->smp2p_info.ipa_clk_on); |
| 4237 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4238 | IPA_GPIO_OUT_CLK_RSP_CMPLT_IDX, 1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4239 | |
Skylar Chang | e120994 | 2017-02-02 14:26:38 -0800 | [diff] [blame] | 4240 | ipa3_ctx->smp2p_info.res_sent = true; |
| 4241 | IPADBG("IPA clocks are %s\n", |
| 4242 | ipa3_ctx->smp2p_info.ipa_clk_on ? "ON" : "OFF"); |
| 4243 | } |
| 4244 | |
| 4245 | void ipa3_reset_freeze_vote(void) |
| 4246 | { |
| 4247 | if (ipa3_ctx->smp2p_info.res_sent == false) |
| 4248 | return; |
| 4249 | |
| 4250 | if (ipa3_ctx->smp2p_info.ipa_clk_on) |
| 4251 | IPA_ACTIVE_CLIENTS_DEC_SPECIAL("FREEZE_VOTE"); |
| 4252 | |
| 4253 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4254 | IPA_GPIO_OUT_CLK_VOTE_IDX, 0); |
| 4255 | gpio_set_value(ipa3_ctx->smp2p_info.out_base_id + |
| 4256 | IPA_GPIO_OUT_CLK_RSP_CMPLT_IDX, 0); |
| 4257 | |
| 4258 | ipa3_ctx->smp2p_info.res_sent = false; |
| 4259 | ipa3_ctx->smp2p_info.ipa_clk_on = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4260 | } |
| 4261 | |
| 4262 | static int ipa3_panic_notifier(struct notifier_block *this, |
| 4263 | unsigned long event, void *ptr) |
| 4264 | { |
| 4265 | int res; |
| 4266 | |
| 4267 | ipa3_freeze_clock_vote_and_notify_modem(); |
| 4268 | |
| 4269 | IPADBG("Calling uC panic handler\n"); |
| 4270 | res = ipa3_uc_panic_notifier(this, event, ptr); |
| 4271 | if (res) |
| 4272 | IPAERR("uC panic handler failed %d\n", res); |
| 4273 | |
| 4274 | return NOTIFY_DONE; |
| 4275 | } |
| 4276 | |
| 4277 | static struct notifier_block ipa3_panic_blk = { |
| 4278 | .notifier_call = ipa3_panic_notifier, |
| 4279 | /* IPA panic handler needs to run before modem shuts down */ |
| 4280 | .priority = INT_MAX, |
| 4281 | }; |
| 4282 | |
| 4283 | static void ipa3_register_panic_hdlr(void) |
| 4284 | { |
| 4285 | atomic_notifier_chain_register(&panic_notifier_list, |
| 4286 | &ipa3_panic_blk); |
| 4287 | } |
| 4288 | |
| 4289 | static void ipa3_trigger_ipa_ready_cbs(void) |
| 4290 | { |
| 4291 | struct ipa3_ready_cb_info *info; |
| 4292 | |
| 4293 | mutex_lock(&ipa3_ctx->lock); |
| 4294 | |
| 4295 | /* Call all the CBs */ |
| 4296 | list_for_each_entry(info, &ipa3_ctx->ipa_ready_cb_list, link) |
| 4297 | if (info->ready_cb) |
| 4298 | info->ready_cb(info->user_data); |
| 4299 | |
| 4300 | mutex_unlock(&ipa3_ctx->lock); |
| 4301 | } |
| 4302 | |
| 4303 | static int ipa3_gsi_pre_fw_load_init(void) |
| 4304 | { |
| 4305 | int result; |
| 4306 | |
| 4307 | result = gsi_configure_regs(ipa3_res.transport_mem_base, |
| 4308 | ipa3_res.transport_mem_size, |
| 4309 | ipa3_res.ipa_mem_base); |
| 4310 | if (result) { |
| 4311 | IPAERR("Failed to configure GSI registers\n"); |
| 4312 | return -EINVAL; |
| 4313 | } |
| 4314 | |
| 4315 | return 0; |
| 4316 | } |
| 4317 | |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4318 | static void ipa3_uc_is_loaded(void) |
| 4319 | { |
| 4320 | IPADBG("\n"); |
| 4321 | complete_all(&ipa3_ctx->uc_loaded_completion_obj); |
| 4322 | } |
| 4323 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 4324 | static enum gsi_ver ipa3_get_gsi_ver(enum ipa_hw_type ipa_hw_type) |
| 4325 | { |
| 4326 | enum gsi_ver gsi_ver; |
| 4327 | |
| 4328 | switch (ipa_hw_type) { |
| 4329 | case IPA_HW_v3_0: |
| 4330 | case IPA_HW_v3_1: |
| 4331 | gsi_ver = GSI_VER_1_0; |
| 4332 | break; |
| 4333 | case IPA_HW_v3_5: |
| 4334 | gsi_ver = GSI_VER_1_2; |
| 4335 | break; |
| 4336 | case IPA_HW_v3_5_1: |
| 4337 | gsi_ver = GSI_VER_1_3; |
| 4338 | break; |
Michael Adisumarta | 891a4ff | 2017-05-16 16:40:06 -0700 | [diff] [blame] | 4339 | case IPA_HW_v4_0: |
| 4340 | gsi_ver = GSI_VER_2_0; |
| 4341 | break; |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 4342 | default: |
| 4343 | IPAERR("No GSI version for ipa type %d\n", ipa_hw_type); |
| 4344 | WARN_ON(1); |
| 4345 | gsi_ver = GSI_VER_ERR; |
| 4346 | } |
| 4347 | |
| 4348 | IPADBG("GSI version %d\n", gsi_ver); |
| 4349 | |
| 4350 | return gsi_ver; |
| 4351 | } |
| 4352 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4353 | /** |
| 4354 | * ipa3_post_init() - Initialize the IPA Driver (Part II). |
| 4355 | * This part contains all initialization which requires interaction with |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4356 | * IPA HW (via GSI). |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4357 | * |
| 4358 | * @resource_p: contain platform specific values from DST file |
| 4359 | * @pdev: The platform device structure representing the IPA driver |
| 4360 | * |
| 4361 | * Function initialization process: |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4362 | * - Initialize endpoints bitmaps |
| 4363 | * - Initialize resource groups min and max values |
| 4364 | * - Initialize filtering lists heads and idr |
| 4365 | * - Initialize interrupts |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4366 | * - Register GSI |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4367 | * - Setup APPS pipes |
| 4368 | * - Initialize tethering bridge |
| 4369 | * - Initialize IPA debugfs |
| 4370 | * - Initialize IPA uC interface |
| 4371 | * - Initialize WDI interface |
| 4372 | * - Initialize USB interface |
| 4373 | * - Register for panic handler |
| 4374 | * - Trigger IPA ready callbacks (to all subscribers) |
| 4375 | * - Trigger IPA completion object (to all who wait on it) |
| 4376 | */ |
| 4377 | static int ipa3_post_init(const struct ipa3_plat_drv_res *resource_p, |
| 4378 | struct device *ipa_dev) |
| 4379 | { |
| 4380 | int result; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4381 | struct gsi_per_props gsi_props; |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4382 | struct ipa3_uc_hdlrs uc_hdlrs = { 0 }; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4383 | struct ipa3_flt_tbl *flt_tbl; |
| 4384 | int i; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4385 | struct idr *idr; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4386 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 4387 | if (ipa3_ctx == NULL) { |
| 4388 | IPADBG("IPA driver haven't initialized\n"); |
| 4389 | return -ENXIO; |
| 4390 | } |
| 4391 | |
| 4392 | /* Prevent consequent calls from trying to load the FW again. */ |
| 4393 | if (ipa3_ctx->ipa_initialization_complete) |
| 4394 | return 0; |
| 4395 | |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4396 | /* |
| 4397 | * indication whether working in MHI config or non MHI config is given |
| 4398 | * in ipa3_write which is launched before ipa3_post_init. i.e. from |
| 4399 | * this point it is safe to use ipa3_ep_mapping array and the correct |
| 4400 | * entry will be returned from ipa3_get_hw_type_index() |
| 4401 | */ |
| 4402 | ipa_init_ep_flt_bitmap(); |
| 4403 | IPADBG("EP with flt support bitmap 0x%x (%u pipes)\n", |
| 4404 | ipa3_ctx->ep_flt_bitmap, ipa3_ctx->ep_flt_num); |
| 4405 | |
| 4406 | /* Assign resource limitation to each group */ |
| 4407 | ipa3_set_resorce_groups_min_max_limits(); |
| 4408 | |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4409 | idr = &(ipa3_ctx->flt_rule_ids[IPA_IP_v4]); |
| 4410 | idr_init(idr); |
| 4411 | idr = &(ipa3_ctx->flt_rule_ids[IPA_IP_v6]); |
| 4412 | idr_init(idr); |
| 4413 | |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4414 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 4415 | if (!ipa_is_ep_support_flt(i)) |
| 4416 | continue; |
| 4417 | |
| 4418 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v4]; |
| 4419 | INIT_LIST_HEAD(&flt_tbl->head_flt_rule_list); |
| 4420 | flt_tbl->in_sys[IPA_RULE_HASHABLE] = |
| 4421 | !ipa3_ctx->ip4_flt_tbl_hash_lcl; |
| 4422 | flt_tbl->in_sys[IPA_RULE_NON_HASHABLE] = |
| 4423 | !ipa3_ctx->ip4_flt_tbl_nhash_lcl; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4424 | flt_tbl->rule_ids = &ipa3_ctx->flt_rule_ids[IPA_IP_v4]; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4425 | |
| 4426 | flt_tbl = &ipa3_ctx->flt_tbl[i][IPA_IP_v6]; |
| 4427 | INIT_LIST_HEAD(&flt_tbl->head_flt_rule_list); |
| 4428 | flt_tbl->in_sys[IPA_RULE_HASHABLE] = |
| 4429 | !ipa3_ctx->ip6_flt_tbl_hash_lcl; |
| 4430 | flt_tbl->in_sys[IPA_RULE_NON_HASHABLE] = |
| 4431 | !ipa3_ctx->ip6_flt_tbl_nhash_lcl; |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 4432 | flt_tbl->rule_ids = &ipa3_ctx->flt_rule_ids[IPA_IP_v6]; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4433 | } |
| 4434 | |
| 4435 | if (!ipa3_ctx->apply_rg10_wa) { |
| 4436 | result = ipa3_init_interrupts(); |
| 4437 | if (result) { |
| 4438 | IPAERR("ipa initialization of interrupts failed\n"); |
| 4439 | result = -ENODEV; |
| 4440 | goto fail_register_device; |
| 4441 | } |
| 4442 | } else { |
| 4443 | IPADBG("Initialization of ipa interrupts skipped\n"); |
| 4444 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4445 | |
Amir Levy | 3afd94a | 2017-01-05 10:19:13 +0200 | [diff] [blame] | 4446 | /* |
Amir Levy | 5cfbb32 | 2017-01-09 14:53:02 +0200 | [diff] [blame] | 4447 | * IPAv3.5 and above requires to disable prefetch for USB in order |
| 4448 | * 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] | 4449 | */ |
Michael Adisumarta | d68ab11 | 2017-06-14 11:40:06 -0700 | [diff] [blame] | 4450 | if ((ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5 |
| 4451 | && ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) && |
Amir Levy | 5cfbb32 | 2017-01-09 14:53:02 +0200 | [diff] [blame] | 4452 | (!ipa3_ctx->ipa_config_is_mhi)) |
Amir Levy | 3afd94a | 2017-01-05 10:19:13 +0200 | [diff] [blame] | 4453 | ipa3_disable_prefetch(IPA_CLIENT_USB_CONS); |
| 4454 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4455 | memset(&gsi_props, 0, sizeof(gsi_props)); |
| 4456 | gsi_props.ver = ipa3_get_gsi_ver(resource_p->ipa_hw_type); |
| 4457 | gsi_props.ee = resource_p->ee; |
| 4458 | gsi_props.intr = GSI_INTR_IRQ; |
| 4459 | gsi_props.irq = resource_p->transport_irq; |
| 4460 | gsi_props.phys_addr = resource_p->transport_mem_base; |
| 4461 | gsi_props.size = resource_p->transport_mem_size; |
| 4462 | gsi_props.notify_cb = ipa_gsi_notify_cb; |
| 4463 | gsi_props.req_clk_cb = NULL; |
| 4464 | gsi_props.rel_clk_cb = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4465 | |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 4466 | if (ipa3_ctx->ipa_config_is_mhi) { |
| 4467 | gsi_props.mhi_er_id_limits_valid = true; |
| 4468 | gsi_props.mhi_er_id_limits[0] = resource_p->mhi_evid_limits[0]; |
| 4469 | gsi_props.mhi_er_id_limits[1] = resource_p->mhi_evid_limits[1]; |
| 4470 | } |
| 4471 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4472 | result = gsi_register_device(&gsi_props, |
| 4473 | &ipa3_ctx->gsi_dev_hdl); |
| 4474 | if (result != GSI_STATUS_SUCCESS) { |
| 4475 | IPAERR(":gsi register error - %d\n", result); |
| 4476 | result = -ENODEV; |
| 4477 | goto fail_register_device; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4478 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4479 | IPADBG("IPA gsi is registered\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4480 | |
| 4481 | /* setup the AP-IPA pipes */ |
| 4482 | if (ipa3_setup_apps_pipes()) { |
| 4483 | IPAERR(":failed to setup IPA-Apps pipes\n"); |
| 4484 | result = -ENODEV; |
| 4485 | goto fail_setup_apps_pipes; |
| 4486 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4487 | IPADBG("IPA GPI pipes were connected\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4488 | |
| 4489 | if (ipa3_ctx->use_ipa_teth_bridge) { |
| 4490 | /* Initialize the tethering bridge driver */ |
| 4491 | result = ipa3_teth_bridge_driver_init(); |
| 4492 | if (result) { |
| 4493 | IPAERR(":teth_bridge init failed (%d)\n", -result); |
| 4494 | result = -ENODEV; |
| 4495 | goto fail_teth_bridge_driver_init; |
| 4496 | } |
| 4497 | IPADBG("teth_bridge initialized"); |
| 4498 | } |
| 4499 | |
| 4500 | ipa3_debugfs_init(); |
| 4501 | |
| 4502 | result = ipa3_uc_interface_init(); |
| 4503 | if (result) |
| 4504 | IPAERR(":ipa Uc interface init failed (%d)\n", -result); |
| 4505 | else |
| 4506 | IPADBG(":ipa Uc interface init ok\n"); |
| 4507 | |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 4508 | uc_hdlrs.ipa_uc_loaded_hdlr = ipa3_uc_is_loaded; |
| 4509 | ipa3_uc_register_handlers(IPA_HW_FEATURE_COMMON, &uc_hdlrs); |
| 4510 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4511 | result = ipa3_wdi_init(); |
| 4512 | if (result) |
| 4513 | IPAERR(":wdi init failed (%d)\n", -result); |
| 4514 | else |
| 4515 | IPADBG(":wdi init ok\n"); |
| 4516 | |
| 4517 | result = ipa3_ntn_init(); |
| 4518 | if (result) |
| 4519 | IPAERR(":ntn init failed (%d)\n", -result); |
| 4520 | else |
| 4521 | IPADBG(":ntn init ok\n"); |
| 4522 | |
Skylar Chang | 6f6e307 | 2017-07-28 10:03:47 -0700 | [diff] [blame] | 4523 | result = ipa_hw_stats_init(); |
| 4524 | if (result) |
| 4525 | IPAERR("fail to init stats %d\n", result); |
| 4526 | else |
| 4527 | IPADBG(":stats init ok\n"); |
| 4528 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4529 | ipa3_register_panic_hdlr(); |
| 4530 | |
| 4531 | ipa3_ctx->q6_proxy_clk_vote_valid = true; |
Mohammed Javid | 05b05d0 | 2017-11-13 23:43:27 +0530 | [diff] [blame] | 4532 | ipa3_ctx->q6_proxy_clk_vote_cnt++; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4533 | |
| 4534 | mutex_lock(&ipa3_ctx->lock); |
| 4535 | ipa3_ctx->ipa_initialization_complete = true; |
| 4536 | mutex_unlock(&ipa3_ctx->lock); |
| 4537 | |
| 4538 | ipa3_trigger_ipa_ready_cbs(); |
| 4539 | complete_all(&ipa3_ctx->init_completion_obj); |
| 4540 | pr_info("IPA driver initialization was successful.\n"); |
| 4541 | |
| 4542 | return 0; |
| 4543 | |
| 4544 | fail_teth_bridge_driver_init: |
| 4545 | ipa3_teardown_apps_pipes(); |
| 4546 | fail_setup_apps_pipes: |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 4547 | gsi_deregister_device(ipa3_ctx->gsi_dev_hdl, false); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4548 | fail_register_device: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4549 | ipa3_destroy_flt_tbl_idrs(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4550 | return result; |
| 4551 | } |
| 4552 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4553 | static int ipa3_manual_load_ipa_fws(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4554 | { |
| 4555 | int result; |
| 4556 | const struct firmware *fw; |
| 4557 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4558 | IPADBG("Manual FW loading process initiated\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4559 | |
| 4560 | result = request_firmware(&fw, IPA_FWS_PATH, ipa3_ctx->dev); |
| 4561 | if (result < 0) { |
| 4562 | IPAERR("request_firmware failed, error %d\n", result); |
| 4563 | return result; |
| 4564 | } |
| 4565 | if (fw == NULL) { |
| 4566 | IPAERR("Firmware is NULL!\n"); |
| 4567 | return -EINVAL; |
| 4568 | } |
| 4569 | |
| 4570 | IPADBG("FWs are available for loading\n"); |
| 4571 | |
Ghanim Fodi | 37b6495 | 2017-01-24 15:42:30 +0200 | [diff] [blame] | 4572 | result = ipa3_load_fws(fw, ipa3_res.transport_mem_base); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4573 | if (result) { |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4574 | IPAERR("Manual IPA FWs loading has failed\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4575 | release_firmware(fw); |
| 4576 | return result; |
| 4577 | } |
| 4578 | |
| 4579 | result = gsi_enable_fw(ipa3_res.transport_mem_base, |
Amir Levy | 85dcd17 | 2016-12-06 17:47:39 +0200 | [diff] [blame] | 4580 | ipa3_res.transport_mem_size, |
| 4581 | ipa3_get_gsi_ver(ipa3_res.ipa_hw_type)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4582 | if (result) { |
| 4583 | IPAERR("Failed to enable GSI FW\n"); |
| 4584 | release_firmware(fw); |
| 4585 | return result; |
| 4586 | } |
| 4587 | |
| 4588 | release_firmware(fw); |
| 4589 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4590 | IPADBG("Manual FW loading process is complete\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4591 | return 0; |
| 4592 | } |
| 4593 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4594 | static int ipa3_pil_load_ipa_fws(void) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4595 | { |
| 4596 | void *subsystem_get_retval = NULL; |
| 4597 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4598 | IPADBG("PIL FW loading process initiated\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4599 | |
| 4600 | subsystem_get_retval = subsystem_get(IPA_SUBSYSTEM_NAME); |
| 4601 | if (IS_ERR_OR_NULL(subsystem_get_retval)) { |
| 4602 | IPAERR("Unable to trigger PIL process for FW loading\n"); |
| 4603 | return -EINVAL; |
| 4604 | } |
| 4605 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4606 | IPADBG("PIL FW loading process is complete\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4607 | return 0; |
| 4608 | } |
| 4609 | |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 4610 | static void ipa3_load_ipa_fw(struct work_struct *work) |
| 4611 | { |
| 4612 | int result; |
| 4613 | |
| 4614 | IPADBG("Entry\n"); |
| 4615 | |
| 4616 | IPA_ACTIVE_CLIENTS_INC_SIMPLE(); |
| 4617 | |
| 4618 | if (ipa3_is_msm_device() || (ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5)) |
| 4619 | result = ipa3_pil_load_ipa_fws(); |
| 4620 | else |
| 4621 | result = ipa3_manual_load_ipa_fws(); |
| 4622 | |
| 4623 | IPA_ACTIVE_CLIENTS_DEC_SIMPLE(); |
| 4624 | |
| 4625 | if (result) { |
| 4626 | IPAERR("IPA FW loading process has failed\n"); |
| 4627 | return; |
| 4628 | } |
| 4629 | pr_info("IPA FW loaded successfully\n"); |
| 4630 | |
| 4631 | result = ipa3_post_init(&ipa3_res, ipa3_ctx->dev); |
| 4632 | if (result) |
| 4633 | IPAERR("IPA post init failed %d\n", result); |
| 4634 | } |
| 4635 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4636 | static ssize_t ipa3_write(struct file *file, const char __user *buf, |
| 4637 | size_t count, loff_t *ppos) |
| 4638 | { |
| 4639 | unsigned long missing; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4640 | |
Amir Levy | 2da9d45 | 2017-12-12 10:09:46 +0200 | [diff] [blame] | 4641 | char dbg_buff[32] = { 0 }; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4642 | |
| 4643 | if (sizeof(dbg_buff) < count + 1) |
| 4644 | return -EFAULT; |
| 4645 | |
| 4646 | missing = copy_from_user(dbg_buff, buf, count); |
| 4647 | |
| 4648 | if (missing) { |
| 4649 | IPAERR("Unable to copy data from user\n"); |
| 4650 | return -EFAULT; |
| 4651 | } |
| 4652 | |
Mohammed Javid | bf4c802 | 2017-08-07 23:15:48 +0530 | [diff] [blame] | 4653 | if (count > 0) |
| 4654 | dbg_buff[count - 1] = '\0'; |
| 4655 | |
Amir Levy | 2da9d45 | 2017-12-12 10:09:46 +0200 | [diff] [blame] | 4656 | IPADBG("user input string %s\n", dbg_buff); |
| 4657 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4658 | /* Prevent consequent calls from trying to load the FW again. */ |
| 4659 | if (ipa3_is_ready()) |
| 4660 | return count; |
| 4661 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4662 | /* Check MHI configuration on MDM devices */ |
| 4663 | if (!ipa3_is_msm_device()) { |
Amir Levy | 2da9d45 | 2017-12-12 10:09:46 +0200 | [diff] [blame] | 4664 | |
| 4665 | if (strnstr(dbg_buff, "vlan", strlen(dbg_buff))) { |
| 4666 | if (strnstr(dbg_buff, "eth", strlen(dbg_buff))) |
| 4667 | ipa3_ctx->vlan_mode_iface[IPA_VLAN_IF_EMAC] = |
| 4668 | true; |
| 4669 | if (strnstr(dbg_buff, "rndis", strlen(dbg_buff))) |
| 4670 | ipa3_ctx->vlan_mode_iface[IPA_VLAN_IF_RNDIS] = |
| 4671 | true; |
| 4672 | if (strnstr(dbg_buff, "ecm", strlen(dbg_buff))) |
| 4673 | ipa3_ctx->vlan_mode_iface[IPA_VLAN_IF_ECM] = |
| 4674 | true; |
| 4675 | |
| 4676 | /* |
| 4677 | * when vlan mode is passed to our dev we expect |
| 4678 | * another write |
| 4679 | */ |
| 4680 | return count; |
| 4681 | } |
| 4682 | |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4683 | if (!strcasecmp(dbg_buff, "MHI")) { |
| 4684 | ipa3_ctx->ipa_config_is_mhi = true; |
| 4685 | pr_info( |
Amir Levy | 2da9d45 | 2017-12-12 10:09:46 +0200 | [diff] [blame] | 4686 | "IPA is loading with MHI configuration\n"); |
| 4687 | } else if (!strcmp(dbg_buff, "1\n")) { |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4688 | pr_info( |
Amir Levy | 2da9d45 | 2017-12-12 10:09:46 +0200 | [diff] [blame] | 4689 | "IPA is loading with non MHI configuration\n"); |
| 4690 | } else { |
| 4691 | IPAERR("got invalid string %s not loading FW\n", |
| 4692 | dbg_buff); |
| 4693 | return count; |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4694 | } |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4695 | } |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4696 | |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4697 | queue_work(ipa3_ctx->transport_power_mgmt_wq, |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 4698 | &ipa3_fw_loading_work); |
Ghanim Fodi | 03dcc27 | 2017-08-08 18:13:25 +0300 | [diff] [blame] | 4699 | |
Ghanim Fodi | a5f376a | 2017-10-17 18:14:53 +0300 | [diff] [blame] | 4700 | IPADBG("Scheduled a work to load IPA FW\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4701 | return count; |
| 4702 | } |
| 4703 | |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 4704 | /** |
| 4705 | * ipa3_tz_unlock_reg - Unlocks memory regions so that they become accessible |
| 4706 | * from AP. |
| 4707 | * @reg_info - Pointer to array of memory regions to unlock |
| 4708 | * @num_regs - Number of elements in the array |
| 4709 | * |
| 4710 | * Converts the input array of regions to a struct that TZ understands and |
| 4711 | * issues an SCM call. |
| 4712 | * Also flushes the memory cache to DDR in order to make sure that TZ sees the |
| 4713 | * correct data structure. |
| 4714 | * |
| 4715 | * Returns: 0 on success, negative on failure |
| 4716 | */ |
| 4717 | int ipa3_tz_unlock_reg(struct ipa_tz_unlock_reg_info *reg_info, u16 num_regs) |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4718 | { |
| 4719 | int i, size, ret, resp; |
| 4720 | struct tz_smmu_ipa_protect_region_iovec_s *ipa_tz_unlock_vec; |
| 4721 | struct tz_smmu_ipa_protect_region_s cmd_buf; |
Skylar Chang | 3a696ba | 2017-10-25 09:35:07 -0700 | [diff] [blame] | 4722 | struct scm_desc desc = {0}; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4723 | |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 4724 | if (reg_info == NULL || num_regs == 0) { |
| 4725 | IPAERR("Bad parameters\n"); |
| 4726 | return -EFAULT; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4727 | } |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 4728 | |
| 4729 | size = num_regs * sizeof(struct tz_smmu_ipa_protect_region_iovec_s); |
| 4730 | ipa_tz_unlock_vec = kzalloc(PAGE_ALIGN(size), GFP_KERNEL); |
| 4731 | if (ipa_tz_unlock_vec == NULL) |
| 4732 | return -ENOMEM; |
| 4733 | |
| 4734 | for (i = 0; i < num_regs; i++) { |
| 4735 | ipa_tz_unlock_vec[i].input_addr = reg_info[i].reg_addr ^ |
| 4736 | (reg_info[i].reg_addr & 0xFFF); |
| 4737 | ipa_tz_unlock_vec[i].output_addr = reg_info[i].reg_addr ^ |
| 4738 | (reg_info[i].reg_addr & 0xFFF); |
| 4739 | ipa_tz_unlock_vec[i].size = reg_info[i].size; |
| 4740 | ipa_tz_unlock_vec[i].attr = IPA_TZ_UNLOCK_ATTRIBUTE; |
| 4741 | } |
| 4742 | |
| 4743 | /* pass physical address of command buffer */ |
| 4744 | cmd_buf.iovec_buf = virt_to_phys((void *)ipa_tz_unlock_vec); |
| 4745 | cmd_buf.size_bytes = size; |
| 4746 | |
| 4747 | /* flush cache to DDR */ |
| 4748 | __cpuc_flush_dcache_area((void *)ipa_tz_unlock_vec, size); |
| 4749 | outer_flush_range(cmd_buf.iovec_buf, cmd_buf.iovec_buf + size); |
Skylar Chang | 3a696ba | 2017-10-25 09:35:07 -0700 | [diff] [blame] | 4750 | if (!is_scm_armv8()) |
| 4751 | ret = scm_call(SCM_SVC_MP, TZ_MEM_PROTECT_REGION_ID, |
| 4752 | &cmd_buf, sizeof(cmd_buf), &resp, sizeof(resp)); |
| 4753 | else { |
| 4754 | desc.args[0] = virt_to_phys((void *)ipa_tz_unlock_vec); |
| 4755 | desc.args[1] = size; |
| 4756 | desc.arginfo = SCM_ARGS(2, SCM_RO, SCM_VAL); |
| 4757 | ret = scm_call2(SCM_SIP_FNID(SCM_SVC_MP, |
| 4758 | TZ_MEM_PROTECT_REGION_ID), &desc); |
| 4759 | } |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 4760 | |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 4761 | if (ret) { |
| 4762 | IPAERR("scm call SCM_SVC_MP failed: %d\n", ret); |
| 4763 | kfree(ipa_tz_unlock_vec); |
| 4764 | return -EFAULT; |
| 4765 | } |
| 4766 | kfree(ipa_tz_unlock_vec); |
| 4767 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4768 | return 0; |
| 4769 | } |
| 4770 | |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 4771 | static int ipa3_alloc_pkt_init(void) |
| 4772 | { |
| 4773 | struct ipa_mem_buffer mem; |
| 4774 | struct ipahal_imm_cmd_pyld *cmd_pyld; |
| 4775 | struct ipahal_imm_cmd_ip_packet_init cmd = {0}; |
| 4776 | int i; |
| 4777 | |
| 4778 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_IP_PACKET_INIT, |
| 4779 | &cmd, false); |
| 4780 | if (!cmd_pyld) { |
| 4781 | IPAERR("failed to construct IMM cmd\n"); |
| 4782 | return -ENOMEM; |
| 4783 | } |
Michael Adisumarta | b5d170f | 2017-05-17 14:34:11 -0700 | [diff] [blame] | 4784 | ipa3_ctx->pkt_init_imm_opcode = cmd_pyld->opcode; |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 4785 | |
| 4786 | mem.size = cmd_pyld->len * ipa3_ctx->ipa_num_pipes; |
| 4787 | mem.base = dma_alloc_coherent(ipa3_ctx->pdev, mem.size, |
| 4788 | &mem.phys_base, GFP_KERNEL); |
| 4789 | if (!mem.base) { |
| 4790 | IPAERR("failed to alloc DMA buff of size %d\n", mem.size); |
| 4791 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 4792 | return -ENOMEM; |
| 4793 | } |
| 4794 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 4795 | |
| 4796 | memset(mem.base, 0, mem.size); |
| 4797 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 4798 | cmd.destination_pipe_index = i; |
| 4799 | cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_IP_PACKET_INIT, |
| 4800 | &cmd, false); |
| 4801 | if (!cmd_pyld) { |
| 4802 | IPAERR("failed to construct IMM cmd\n"); |
| 4803 | dma_free_coherent(ipa3_ctx->pdev, |
| 4804 | mem.size, |
| 4805 | mem.base, |
| 4806 | mem.phys_base); |
| 4807 | return -ENOMEM; |
| 4808 | } |
| 4809 | memcpy(mem.base + i * cmd_pyld->len, cmd_pyld->data, |
| 4810 | cmd_pyld->len); |
| 4811 | ipa3_ctx->pkt_init_imm[i] = mem.phys_base + i * cmd_pyld->len; |
| 4812 | ipahal_destroy_imm_cmd(cmd_pyld); |
| 4813 | } |
| 4814 | |
| 4815 | return 0; |
| 4816 | } |
| 4817 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4818 | /** |
| 4819 | * ipa3_pre_init() - Initialize the IPA Driver. |
| 4820 | * This part contains all initialization which doesn't require IPA HW, such |
| 4821 | * as structure allocations and initializations, register writes, etc. |
| 4822 | * |
| 4823 | * @resource_p: contain platform specific values from DST file |
| 4824 | * @pdev: The platform device structure representing the IPA driver |
| 4825 | * |
| 4826 | * Function initialization process: |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4827 | * Allocate memory for the driver context data struct |
| 4828 | * Initializing the ipa3_ctx with : |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4829 | * 1)parsed values from the dts file |
| 4830 | * 2)parameters passed to the module initialization |
| 4831 | * 3)read HW values(such as core memory size) |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4832 | * Map IPA core registers to CPU memory |
| 4833 | * Restart IPA core(HW reset) |
| 4834 | * Initialize the look-aside caches(kmem_cache/slab) for filter, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4835 | * routing and IPA-tree |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4836 | * Create memory pool with 4 objects for DMA operations(each object |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4837 | * is 512Bytes long), this object will be use for tx(A5->IPA) |
Amir Levy | 54fe4d3 | 2017-03-16 11:21:49 +0200 | [diff] [blame] | 4838 | * Initialize lists head(routing, hdr, system pipes) |
| 4839 | * Initialize mutexes (for ipa_ctx and NAT memory mutexes) |
| 4840 | * Initialize spinlocks (for list related to A5<->IPA pipes) |
| 4841 | * Initialize 2 single-threaded work-queue named "ipa rx wq" and "ipa tx wq" |
| 4842 | * Initialize Red-Black-Tree(s) for handles of header,routing rule, |
| 4843 | * routing table ,filtering rule |
| 4844 | * Initialize the filter block by committing IPV4 and IPV6 default rules |
| 4845 | * Create empty routing table in system memory(no committing) |
| 4846 | * Create a char-device for IPA |
| 4847 | * Initialize IPA RM (resource manager) |
| 4848 | * Configure GSI registers (in GSI case) |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4849 | */ |
| 4850 | static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p, |
| 4851 | struct device *ipa_dev) |
| 4852 | { |
| 4853 | int result = 0; |
| 4854 | int i; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4855 | struct ipa3_rt_tbl_set *rset; |
| 4856 | struct ipa_active_client_logging_info log_info; |
| 4857 | |
| 4858 | IPADBG("IPA Driver initialization started\n"); |
| 4859 | |
| 4860 | ipa3_ctx = kzalloc(sizeof(*ipa3_ctx), GFP_KERNEL); |
| 4861 | if (!ipa3_ctx) { |
| 4862 | IPAERR(":kzalloc err.\n"); |
| 4863 | result = -ENOMEM; |
| 4864 | goto fail_mem_ctx; |
| 4865 | } |
| 4866 | |
| 4867 | 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] | 4868 | if (ipa3_ctx->logbuf == NULL) |
| 4869 | IPAERR("failed to create IPC log, continue...\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4870 | |
| 4871 | ipa3_ctx->pdev = ipa_dev; |
| 4872 | ipa3_ctx->uc_pdev = ipa_dev; |
| 4873 | ipa3_ctx->smmu_present = smmu_info.present; |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 4874 | if (!ipa3_ctx->smmu_present) { |
| 4875 | for (i = 0; i < IPA_SMMU_CB_MAX; i++) |
| 4876 | ipa3_ctx->s1_bypass_arr[i] = true; |
| 4877 | } else { |
Michael Adisumarta | 972e33e | 2017-10-20 15:24:27 -0700 | [diff] [blame] | 4878 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_AP] = |
| 4879 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_AP]; |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 4880 | } |
| 4881 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4882 | ipa3_ctx->ipa_wrapper_base = resource_p->ipa_mem_base; |
| 4883 | ipa3_ctx->ipa_wrapper_size = resource_p->ipa_mem_size; |
| 4884 | ipa3_ctx->ipa_hw_type = resource_p->ipa_hw_type; |
| 4885 | ipa3_ctx->ipa3_hw_mode = resource_p->ipa3_hw_mode; |
| 4886 | ipa3_ctx->use_ipa_teth_bridge = resource_p->use_ipa_teth_bridge; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4887 | ipa3_ctx->modem_cfg_emb_pipe_flt = resource_p->modem_cfg_emb_pipe_flt; |
| 4888 | ipa3_ctx->ipa_wdi2 = resource_p->ipa_wdi2; |
| 4889 | ipa3_ctx->use_64_bit_dma_mask = resource_p->use_64_bit_dma_mask; |
| 4890 | ipa3_ctx->wan_rx_ring_size = resource_p->wan_rx_ring_size; |
| 4891 | ipa3_ctx->lan_rx_ring_size = resource_p->lan_rx_ring_size; |
| 4892 | ipa3_ctx->skip_uc_pipe_reset = resource_p->skip_uc_pipe_reset; |
| 4893 | ipa3_ctx->tethered_flow_control = resource_p->tethered_flow_control; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4894 | ipa3_ctx->ee = resource_p->ee; |
| 4895 | ipa3_ctx->apply_rg10_wa = resource_p->apply_rg10_wa; |
| 4896 | ipa3_ctx->gsi_ch20_wa = resource_p->gsi_ch20_wa; |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 4897 | ipa3_ctx->use_ipa_pm = resource_p->use_ipa_pm; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4898 | ipa3_ctx->ipa3_active_clients_logging.log_rdy = false; |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 4899 | ipa3_ctx->mhi_evid_limits[0] = resource_p->mhi_evid_limits[0]; |
| 4900 | ipa3_ctx->mhi_evid_limits[1] = resource_p->mhi_evid_limits[1]; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 4901 | if (resource_p->ipa_tz_unlock_reg) { |
| 4902 | ipa3_ctx->ipa_tz_unlock_reg_num = |
| 4903 | resource_p->ipa_tz_unlock_reg_num; |
| 4904 | ipa3_ctx->ipa_tz_unlock_reg = kcalloc( |
| 4905 | ipa3_ctx->ipa_tz_unlock_reg_num, |
| 4906 | sizeof(*ipa3_ctx->ipa_tz_unlock_reg), |
| 4907 | GFP_KERNEL); |
| 4908 | if (ipa3_ctx->ipa_tz_unlock_reg == NULL) { |
| 4909 | result = -ENOMEM; |
| 4910 | goto fail_tz_unlock_reg; |
| 4911 | } |
| 4912 | for (i = 0; i < ipa3_ctx->ipa_tz_unlock_reg_num; i++) { |
| 4913 | ipa3_ctx->ipa_tz_unlock_reg[i].reg_addr = |
| 4914 | resource_p->ipa_tz_unlock_reg[i].reg_addr; |
| 4915 | ipa3_ctx->ipa_tz_unlock_reg[i].size = |
| 4916 | resource_p->ipa_tz_unlock_reg[i].size; |
| 4917 | } |
| 4918 | } |
| 4919 | |
| 4920 | /* unlock registers for uc */ |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 4921 | result = ipa3_tz_unlock_reg(ipa3_ctx->ipa_tz_unlock_reg, |
| 4922 | ipa3_ctx->ipa_tz_unlock_reg_num); |
| 4923 | if (result) |
| 4924 | IPAERR("Failed to unlock memory region using TZ\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4925 | |
| 4926 | /* default aggregation parameters */ |
| 4927 | ipa3_ctx->aggregation_type = IPA_MBIM_16; |
| 4928 | ipa3_ctx->aggregation_byte_limit = 1; |
| 4929 | ipa3_ctx->aggregation_time_limit = 0; |
| 4930 | |
| 4931 | ipa3_ctx->ctrl = kzalloc(sizeof(*ipa3_ctx->ctrl), GFP_KERNEL); |
| 4932 | if (!ipa3_ctx->ctrl) { |
| 4933 | IPAERR("memory allocation error for ctrl\n"); |
| 4934 | result = -ENOMEM; |
| 4935 | goto fail_mem_ctrl; |
| 4936 | } |
| 4937 | result = ipa3_controller_static_bind(ipa3_ctx->ctrl, |
| 4938 | ipa3_ctx->ipa_hw_type); |
| 4939 | if (result) { |
| 4940 | IPAERR("fail to static bind IPA ctrl.\n"); |
| 4941 | result = -EFAULT; |
| 4942 | goto fail_bind; |
| 4943 | } |
| 4944 | |
| 4945 | result = ipa3_init_mem_partition(master_dev->of_node); |
| 4946 | if (result) { |
| 4947 | IPAERR(":ipa3_init_mem_partition failed!\n"); |
| 4948 | result = -ENODEV; |
| 4949 | goto fail_init_mem_partition; |
| 4950 | } |
| 4951 | |
| 4952 | if (ipa3_bus_scale_table) { |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4953 | IPADBG("Use bus scaling info from device tree #usecases=%d\n", |
| 4954 | ipa3_bus_scale_table->num_usecases); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4955 | ipa3_ctx->ctrl->msm_bus_data_ptr = ipa3_bus_scale_table; |
| 4956 | } |
| 4957 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 4958 | /* get BUS handle */ |
| 4959 | ipa3_ctx->ipa_bus_hdl = |
| 4960 | msm_bus_scale_register_client( |
| 4961 | ipa3_ctx->ctrl->msm_bus_data_ptr); |
| 4962 | if (!ipa3_ctx->ipa_bus_hdl) { |
| 4963 | IPAERR("fail to register with bus mgr!\n"); |
| 4964 | result = -ENODEV; |
| 4965 | goto fail_bus_reg; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 4966 | } |
| 4967 | |
| 4968 | /* get IPA clocks */ |
| 4969 | result = ipa3_get_clks(master_dev); |
| 4970 | if (result) |
| 4971 | goto fail_clk; |
| 4972 | |
| 4973 | /* init active_clients_log after getting ipa-clk */ |
| 4974 | if (ipa3_active_clients_log_init()) |
| 4975 | goto fail_init_active_client; |
| 4976 | |
| 4977 | /* Enable ipa3_ctx->enable_clock_scaling */ |
| 4978 | ipa3_ctx->enable_clock_scaling = 1; |
| 4979 | ipa3_ctx->curr_ipa_clk_rate = ipa3_ctx->ctrl->ipa_clk_rate_turbo; |
| 4980 | |
| 4981 | /* enable IPA clocks explicitly to allow the initialization */ |
| 4982 | ipa3_enable_clks(); |
| 4983 | |
| 4984 | /* setup IPA register access */ |
| 4985 | IPADBG("Mapping 0x%x\n", resource_p->ipa_mem_base + |
| 4986 | ipa3_ctx->ctrl->ipa_reg_base_ofst); |
| 4987 | ipa3_ctx->mmio = ioremap(resource_p->ipa_mem_base + |
| 4988 | ipa3_ctx->ctrl->ipa_reg_base_ofst, |
| 4989 | resource_p->ipa_mem_size); |
| 4990 | if (!ipa3_ctx->mmio) { |
| 4991 | IPAERR(":ipa-base ioremap err.\n"); |
| 4992 | result = -EFAULT; |
| 4993 | goto fail_remap; |
| 4994 | } |
| 4995 | |
| 4996 | if (ipahal_init(ipa3_ctx->ipa_hw_type, ipa3_ctx->mmio, |
| 4997 | ipa3_ctx->pdev)) { |
| 4998 | IPAERR("fail to init ipahal\n"); |
| 4999 | result = -EFAULT; |
| 5000 | goto fail_ipahal; |
| 5001 | } |
| 5002 | |
| 5003 | result = ipa3_init_hw(); |
| 5004 | if (result) { |
| 5005 | IPAERR(":error initializing HW.\n"); |
| 5006 | result = -ENODEV; |
| 5007 | goto fail_init_hw; |
| 5008 | } |
| 5009 | IPADBG("IPA HW initialization sequence completed"); |
| 5010 | |
| 5011 | ipa3_ctx->ipa_num_pipes = ipa3_get_num_pipes(); |
| 5012 | if (ipa3_ctx->ipa_num_pipes > IPA3_MAX_NUM_PIPES) { |
| 5013 | IPAERR("IPA has more pipes then supported! has %d, max %d\n", |
| 5014 | ipa3_ctx->ipa_num_pipes, IPA3_MAX_NUM_PIPES); |
| 5015 | result = -ENODEV; |
| 5016 | goto fail_init_hw; |
| 5017 | } |
| 5018 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5019 | ipa3_ctx->ctrl->ipa_sram_read_settings(); |
| 5020 | IPADBG("SRAM, size: 0x%x, restricted bytes: 0x%x\n", |
| 5021 | ipa3_ctx->smem_sz, ipa3_ctx->smem_restricted_bytes); |
| 5022 | |
| 5023 | IPADBG("hdr_lcl=%u ip4_rt_hash=%u ip4_rt_nonhash=%u\n", |
| 5024 | ipa3_ctx->hdr_tbl_lcl, ipa3_ctx->ip4_rt_tbl_hash_lcl, |
| 5025 | ipa3_ctx->ip4_rt_tbl_nhash_lcl); |
| 5026 | |
| 5027 | IPADBG("ip6_rt_hash=%u ip6_rt_nonhash=%u\n", |
| 5028 | ipa3_ctx->ip6_rt_tbl_hash_lcl, ipa3_ctx->ip6_rt_tbl_nhash_lcl); |
| 5029 | |
| 5030 | IPADBG("ip4_flt_hash=%u ip4_flt_nonhash=%u\n", |
| 5031 | ipa3_ctx->ip4_flt_tbl_hash_lcl, |
| 5032 | ipa3_ctx->ip4_flt_tbl_nhash_lcl); |
| 5033 | |
| 5034 | IPADBG("ip6_flt_hash=%u ip6_flt_nonhash=%u\n", |
| 5035 | ipa3_ctx->ip6_flt_tbl_hash_lcl, |
| 5036 | ipa3_ctx->ip6_flt_tbl_nhash_lcl); |
| 5037 | |
| 5038 | if (ipa3_ctx->smem_reqd_sz > ipa3_ctx->smem_sz) { |
| 5039 | IPAERR("SW expect more core memory, needed %d, avail %d\n", |
| 5040 | ipa3_ctx->smem_reqd_sz, ipa3_ctx->smem_sz); |
| 5041 | result = -ENOMEM; |
| 5042 | goto fail_init_hw; |
| 5043 | } |
| 5044 | |
| 5045 | mutex_init(&ipa3_ctx->ipa3_active_clients.mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5046 | IPA_ACTIVE_CLIENTS_PREP_SPECIAL(log_info, "PROXY_CLK_VOTE"); |
| 5047 | ipa3_active_clients_log_inc(&log_info, false); |
Skylar Chang | 242952b | 2017-07-20 15:04:05 -0700 | [diff] [blame] | 5048 | atomic_set(&ipa3_ctx->ipa3_active_clients.cnt, 1); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5049 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5050 | /* Create workqueues for power management */ |
| 5051 | ipa3_ctx->power_mgmt_wq = |
| 5052 | create_singlethread_workqueue("ipa_power_mgmt"); |
| 5053 | if (!ipa3_ctx->power_mgmt_wq) { |
| 5054 | IPAERR("failed to create power mgmt wq\n"); |
| 5055 | result = -ENOMEM; |
| 5056 | goto fail_init_hw; |
| 5057 | } |
| 5058 | |
| 5059 | ipa3_ctx->transport_power_mgmt_wq = |
| 5060 | create_singlethread_workqueue("transport_power_mgmt"); |
| 5061 | if (!ipa3_ctx->transport_power_mgmt_wq) { |
| 5062 | IPAERR("failed to create transport power mgmt wq\n"); |
| 5063 | result = -ENOMEM; |
| 5064 | goto fail_create_transport_wq; |
| 5065 | } |
| 5066 | |
Sridhar Ancha | 99b505b | 2016-04-21 23:11:10 +0530 | [diff] [blame] | 5067 | mutex_init(&ipa3_ctx->transport_pm.transport_pm_mutex); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5068 | |
| 5069 | /* init the lookaside cache */ |
| 5070 | ipa3_ctx->flt_rule_cache = kmem_cache_create("IPA_FLT", |
| 5071 | sizeof(struct ipa3_flt_entry), 0, 0, NULL); |
| 5072 | if (!ipa3_ctx->flt_rule_cache) { |
| 5073 | IPAERR(":ipa flt cache create failed\n"); |
| 5074 | result = -ENOMEM; |
| 5075 | goto fail_flt_rule_cache; |
| 5076 | } |
| 5077 | ipa3_ctx->rt_rule_cache = kmem_cache_create("IPA_RT", |
| 5078 | sizeof(struct ipa3_rt_entry), 0, 0, NULL); |
| 5079 | if (!ipa3_ctx->rt_rule_cache) { |
| 5080 | IPAERR(":ipa rt cache create failed\n"); |
| 5081 | result = -ENOMEM; |
| 5082 | goto fail_rt_rule_cache; |
| 5083 | } |
| 5084 | ipa3_ctx->hdr_cache = kmem_cache_create("IPA_HDR", |
| 5085 | sizeof(struct ipa3_hdr_entry), 0, 0, NULL); |
| 5086 | if (!ipa3_ctx->hdr_cache) { |
| 5087 | IPAERR(":ipa hdr cache create failed\n"); |
| 5088 | result = -ENOMEM; |
| 5089 | goto fail_hdr_cache; |
| 5090 | } |
| 5091 | ipa3_ctx->hdr_offset_cache = |
| 5092 | kmem_cache_create("IPA_HDR_OFFSET", |
| 5093 | sizeof(struct ipa_hdr_offset_entry), 0, 0, NULL); |
| 5094 | if (!ipa3_ctx->hdr_offset_cache) { |
| 5095 | IPAERR(":ipa hdr off cache create failed\n"); |
| 5096 | result = -ENOMEM; |
| 5097 | goto fail_hdr_offset_cache; |
| 5098 | } |
| 5099 | ipa3_ctx->hdr_proc_ctx_cache = kmem_cache_create("IPA_HDR_PROC_CTX", |
| 5100 | sizeof(struct ipa3_hdr_proc_ctx_entry), 0, 0, NULL); |
| 5101 | if (!ipa3_ctx->hdr_proc_ctx_cache) { |
| 5102 | IPAERR(":ipa hdr proc ctx cache create failed\n"); |
| 5103 | result = -ENOMEM; |
| 5104 | goto fail_hdr_proc_ctx_cache; |
| 5105 | } |
| 5106 | ipa3_ctx->hdr_proc_ctx_offset_cache = |
| 5107 | kmem_cache_create("IPA_HDR_PROC_CTX_OFFSET", |
| 5108 | sizeof(struct ipa3_hdr_proc_ctx_offset_entry), 0, 0, NULL); |
| 5109 | if (!ipa3_ctx->hdr_proc_ctx_offset_cache) { |
| 5110 | IPAERR(":ipa hdr proc ctx off cache create failed\n"); |
| 5111 | result = -ENOMEM; |
| 5112 | goto fail_hdr_proc_ctx_offset_cache; |
| 5113 | } |
| 5114 | ipa3_ctx->rt_tbl_cache = kmem_cache_create("IPA_RT_TBL", |
| 5115 | sizeof(struct ipa3_rt_tbl), 0, 0, NULL); |
| 5116 | if (!ipa3_ctx->rt_tbl_cache) { |
| 5117 | IPAERR(":ipa rt tbl cache create failed\n"); |
| 5118 | result = -ENOMEM; |
| 5119 | goto fail_rt_tbl_cache; |
| 5120 | } |
| 5121 | ipa3_ctx->tx_pkt_wrapper_cache = |
| 5122 | kmem_cache_create("IPA_TX_PKT_WRAPPER", |
| 5123 | sizeof(struct ipa3_tx_pkt_wrapper), 0, 0, NULL); |
| 5124 | if (!ipa3_ctx->tx_pkt_wrapper_cache) { |
| 5125 | IPAERR(":ipa tx pkt wrapper cache create failed\n"); |
| 5126 | result = -ENOMEM; |
| 5127 | goto fail_tx_pkt_wrapper_cache; |
| 5128 | } |
| 5129 | ipa3_ctx->rx_pkt_wrapper_cache = |
| 5130 | kmem_cache_create("IPA_RX_PKT_WRAPPER", |
| 5131 | sizeof(struct ipa3_rx_pkt_wrapper), 0, 0, NULL); |
| 5132 | if (!ipa3_ctx->rx_pkt_wrapper_cache) { |
| 5133 | IPAERR(":ipa rx pkt wrapper cache create failed\n"); |
| 5134 | result = -ENOMEM; |
| 5135 | goto fail_rx_pkt_wrapper_cache; |
| 5136 | } |
| 5137 | |
Skylar Chang | 6c4bec9 | 2017-04-21 16:10:14 -0700 | [diff] [blame] | 5138 | /* allocate memory for DMA_TASK workaround */ |
| 5139 | result = ipa3_allocate_dma_task_for_gsi(); |
| 5140 | if (result) { |
| 5141 | IPAERR("failed to allocate dma task\n"); |
| 5142 | goto fail_dma_task; |
| 5143 | } |
| 5144 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5145 | /* init the various list heads */ |
| 5146 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_hdr_entry_list); |
| 5147 | for (i = 0; i < IPA_HDR_BIN_MAX; i++) { |
| 5148 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_offset_list[i]); |
| 5149 | INIT_LIST_HEAD(&ipa3_ctx->hdr_tbl.head_free_offset_list[i]); |
| 5150 | } |
| 5151 | INIT_LIST_HEAD(&ipa3_ctx->hdr_proc_ctx_tbl.head_proc_ctx_entry_list); |
| 5152 | for (i = 0; i < IPA_HDR_PROC_CTX_BIN_MAX; i++) { |
| 5153 | INIT_LIST_HEAD(&ipa3_ctx->hdr_proc_ctx_tbl.head_offset_list[i]); |
| 5154 | INIT_LIST_HEAD(&ipa3_ctx-> |
| 5155 | hdr_proc_ctx_tbl.head_free_offset_list[i]); |
| 5156 | } |
| 5157 | 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] | 5158 | idr_init(&ipa3_ctx->rt_tbl_set[IPA_IP_v4].rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5159 | 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] | 5160 | idr_init(&ipa3_ctx->rt_tbl_set[IPA_IP_v6].rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5161 | |
| 5162 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v4]; |
| 5163 | INIT_LIST_HEAD(&rset->head_rt_tbl_list); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 5164 | idr_init(&rset->rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5165 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v6]; |
| 5166 | INIT_LIST_HEAD(&rset->head_rt_tbl_list); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 5167 | idr_init(&rset->rule_ids); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5168 | |
| 5169 | INIT_LIST_HEAD(&ipa3_ctx->intf_list); |
| 5170 | INIT_LIST_HEAD(&ipa3_ctx->msg_list); |
| 5171 | INIT_LIST_HEAD(&ipa3_ctx->pull_msg_list); |
| 5172 | init_waitqueue_head(&ipa3_ctx->msg_waitq); |
| 5173 | mutex_init(&ipa3_ctx->msg_lock); |
| 5174 | |
| 5175 | mutex_init(&ipa3_ctx->lock); |
Skylar Chang | fb792c6 | 2017-08-17 12:53:23 -0700 | [diff] [blame] | 5176 | mutex_init(&ipa3_ctx->q6_proxy_clk_vote_mutex); |
Mohammed Javid | b4b5ef4 | 2017-08-29 01:05:46 +0530 | [diff] [blame] | 5177 | mutex_init(&ipa3_ctx->ipa_cne_evt_lock); |
Mohammed Javid | 05b05d0 | 2017-11-13 23:43:27 +0530 | [diff] [blame] | 5178 | ipa3_ctx->q6_proxy_clk_vote_cnt = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5179 | |
| 5180 | idr_init(&ipa3_ctx->ipa_idr); |
| 5181 | spin_lock_init(&ipa3_ctx->idr_lock); |
| 5182 | |
| 5183 | /* wlan related member */ |
| 5184 | memset(&ipa3_ctx->wc_memb, 0, sizeof(ipa3_ctx->wc_memb)); |
| 5185 | spin_lock_init(&ipa3_ctx->wc_memb.wlan_spinlock); |
| 5186 | spin_lock_init(&ipa3_ctx->wc_memb.ipa_tx_mul_spinlock); |
| 5187 | INIT_LIST_HEAD(&ipa3_ctx->wc_memb.wlan_comm_desc_list); |
| 5188 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5189 | ipa3_ctx->class = class_create(THIS_MODULE, DRV_NAME); |
| 5190 | |
| 5191 | result = alloc_chrdev_region(&ipa3_ctx->dev_num, 0, 1, DRV_NAME); |
| 5192 | if (result) { |
| 5193 | IPAERR("alloc_chrdev_region err.\n"); |
| 5194 | result = -ENODEV; |
| 5195 | goto fail_alloc_chrdev_region; |
| 5196 | } |
| 5197 | |
| 5198 | ipa3_ctx->dev = device_create(ipa3_ctx->class, NULL, ipa3_ctx->dev_num, |
| 5199 | ipa3_ctx, DRV_NAME); |
| 5200 | if (IS_ERR(ipa3_ctx->dev)) { |
| 5201 | IPAERR(":device_create err.\n"); |
| 5202 | result = -ENODEV; |
| 5203 | goto fail_device_create; |
| 5204 | } |
| 5205 | |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 5206 | if (ipa3_nat_ipv6ct_init_devices()) { |
| 5207 | IPAERR("unable to init NAT and IPv6CT devices\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5208 | result = -ENODEV; |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 5209 | goto fail_nat_ipv6ct_init_dev; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5210 | } |
| 5211 | |
| 5212 | /* Create a wakeup source. */ |
| 5213 | wakeup_source_init(&ipa3_ctx->w_lock, "IPA_WS"); |
| 5214 | spin_lock_init(&ipa3_ctx->wakelock_ref_cnt.spinlock); |
| 5215 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5216 | /* Initialize Power Management framework */ |
| 5217 | if (ipa3_ctx->use_ipa_pm) { |
| 5218 | result = ipa_pm_init(&ipa3_res.pm_init); |
| 5219 | if (result) { |
| 5220 | IPAERR("IPA PM initialization failed (%d)\n", -result); |
| 5221 | result = -ENODEV; |
| 5222 | goto fail_ipa_rm_init; |
| 5223 | } |
| 5224 | IPADBG("IPA resource manager initialized"); |
| 5225 | } else { |
| 5226 | result = ipa_rm_initialize(); |
| 5227 | if (result) { |
| 5228 | IPAERR("RM initialization failed (%d)\n", -result); |
| 5229 | result = -ENODEV; |
| 5230 | goto fail_ipa_rm_init; |
| 5231 | } |
| 5232 | IPADBG("IPA resource manager initialized"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5233 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5234 | result = ipa3_create_apps_resource(); |
| 5235 | if (result) { |
| 5236 | IPAERR("Failed to create APPS_CONS resource\n"); |
| 5237 | result = -ENODEV; |
| 5238 | goto fail_create_apps_resource; |
| 5239 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5240 | } |
| 5241 | |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 5242 | result = ipa3_alloc_pkt_init(); |
| 5243 | if (result) { |
| 5244 | IPAERR("Failed to alloc pkt_init payload\n"); |
| 5245 | result = -ENODEV; |
Ghanim Fodi | e6bb7a8 | 2017-10-02 17:59:58 +0300 | [diff] [blame] | 5246 | goto fail_allok_pkt_init; |
Skylar Chang | cd3902d | 2017-03-27 18:08:27 -0700 | [diff] [blame] | 5247 | } |
| 5248 | |
Amir Levy | 12ef091 | 2016-08-30 09:27:34 +0300 | [diff] [blame] | 5249 | if (ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5) |
| 5250 | ipa3_enable_dcd(); |
| 5251 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5252 | INIT_LIST_HEAD(&ipa3_ctx->ipa_ready_cb_list); |
| 5253 | |
| 5254 | init_completion(&ipa3_ctx->init_completion_obj); |
Skylar Chang | 0c17c7d | 2016-10-31 09:57:54 -0700 | [diff] [blame] | 5255 | init_completion(&ipa3_ctx->uc_loaded_completion_obj); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5256 | |
Ghanim Fodi | e6bb7a8 | 2017-10-02 17:59:58 +0300 | [diff] [blame] | 5257 | result = ipa3_dma_setup(); |
| 5258 | if (result) { |
| 5259 | IPAERR("Failed to setup IPA DMA\n"); |
| 5260 | result = -ENODEV; |
| 5261 | goto fail_ipa_dma_setup; |
| 5262 | } |
| 5263 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5264 | /* |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5265 | * We can't register the GSI driver yet, as it expects |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5266 | * the GSI FW to be up and running before the registration. |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5267 | * |
| 5268 | * For IPA3.0, the GSI configuration is done by the GSI driver. |
| 5269 | * For IPA3.1 (and on), the GSI configuration is done by TZ. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5270 | */ |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5271 | if (ipa3_ctx->ipa_hw_type == IPA_HW_v3_0) { |
| 5272 | result = ipa3_gsi_pre_fw_load_init(); |
| 5273 | if (result) { |
| 5274 | IPAERR("gsi pre FW loading config failed\n"); |
| 5275 | result = -ENODEV; |
Ghanim Fodi | e6bb7a8 | 2017-10-02 17:59:58 +0300 | [diff] [blame] | 5276 | goto fail_gsi_pre_fw_load_init; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5277 | } |
| 5278 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5279 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 5280 | cdev_init(&ipa3_ctx->cdev, &ipa3_drv_fops); |
| 5281 | ipa3_ctx->cdev.owner = THIS_MODULE; |
| 5282 | ipa3_ctx->cdev.ops = &ipa3_drv_fops; /* from LDD3 */ |
| 5283 | |
| 5284 | result = cdev_add(&ipa3_ctx->cdev, ipa3_ctx->dev_num, 1); |
| 5285 | if (result) { |
| 5286 | IPAERR(":cdev_add err=%d\n", -result); |
| 5287 | result = -ENODEV; |
| 5288 | goto fail_cdev_add; |
| 5289 | } |
| 5290 | IPADBG("ipa cdev added successful. major:%d minor:%d\n", |
| 5291 | MAJOR(ipa3_ctx->dev_num), |
| 5292 | MINOR(ipa3_ctx->dev_num)); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5293 | return 0; |
| 5294 | |
Utkarsh Saxena | ded7814 | 2017-05-03 14:04:30 +0530 | [diff] [blame] | 5295 | fail_cdev_add: |
Ghanim Fodi | e6bb7a8 | 2017-10-02 17:59:58 +0300 | [diff] [blame] | 5296 | fail_gsi_pre_fw_load_init: |
| 5297 | ipa3_dma_shutdown(); |
| 5298 | fail_ipa_dma_setup: |
| 5299 | fail_allok_pkt_init: |
| 5300 | if (ipa3_ctx->use_ipa_pm) |
| 5301 | ipa_pm_destroy(); |
| 5302 | else |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5303 | ipa_rm_delete_resource(IPA_RM_RESOURCE_APPS_CONS); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5304 | fail_create_apps_resource: |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5305 | if (!ipa3_ctx->use_ipa_pm) |
| 5306 | ipa_rm_exit(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5307 | fail_ipa_rm_init: |
Amir Levy | 479cfdd | 2017-10-26 12:23:14 +0300 | [diff] [blame] | 5308 | ipa3_nat_ipv6ct_destroy_devices(); |
| 5309 | fail_nat_ipv6ct_init_dev: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5310 | device_destroy(ipa3_ctx->class, ipa3_ctx->dev_num); |
| 5311 | fail_device_create: |
| 5312 | unregister_chrdev_region(ipa3_ctx->dev_num, 1); |
| 5313 | fail_alloc_chrdev_region: |
Ghanim Fodi | e6bb7a8 | 2017-10-02 17:59:58 +0300 | [diff] [blame] | 5314 | idr_destroy(&ipa3_ctx->ipa_idr); |
Skylar Chang | 0c37f5f | 2017-07-24 10:22:53 -0700 | [diff] [blame] | 5315 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v6]; |
| 5316 | idr_destroy(&rset->rule_ids); |
| 5317 | rset = &ipa3_ctx->reap_rt_tbl_set[IPA_IP_v4]; |
| 5318 | idr_destroy(&rset->rule_ids); |
| 5319 | idr_destroy(&ipa3_ctx->rt_tbl_set[IPA_IP_v6].rule_ids); |
| 5320 | idr_destroy(&ipa3_ctx->rt_tbl_set[IPA_IP_v4].rule_ids); |
Skylar Chang | 6c4bec9 | 2017-04-21 16:10:14 -0700 | [diff] [blame] | 5321 | ipa3_free_dma_task_for_gsi(); |
| 5322 | fail_dma_task: |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5323 | kmem_cache_destroy(ipa3_ctx->rx_pkt_wrapper_cache); |
| 5324 | fail_rx_pkt_wrapper_cache: |
| 5325 | kmem_cache_destroy(ipa3_ctx->tx_pkt_wrapper_cache); |
| 5326 | fail_tx_pkt_wrapper_cache: |
| 5327 | kmem_cache_destroy(ipa3_ctx->rt_tbl_cache); |
| 5328 | fail_rt_tbl_cache: |
| 5329 | kmem_cache_destroy(ipa3_ctx->hdr_proc_ctx_offset_cache); |
| 5330 | fail_hdr_proc_ctx_offset_cache: |
| 5331 | kmem_cache_destroy(ipa3_ctx->hdr_proc_ctx_cache); |
| 5332 | fail_hdr_proc_ctx_cache: |
| 5333 | kmem_cache_destroy(ipa3_ctx->hdr_offset_cache); |
| 5334 | fail_hdr_offset_cache: |
| 5335 | kmem_cache_destroy(ipa3_ctx->hdr_cache); |
| 5336 | fail_hdr_cache: |
| 5337 | kmem_cache_destroy(ipa3_ctx->rt_rule_cache); |
| 5338 | fail_rt_rule_cache: |
| 5339 | kmem_cache_destroy(ipa3_ctx->flt_rule_cache); |
| 5340 | fail_flt_rule_cache: |
| 5341 | destroy_workqueue(ipa3_ctx->transport_power_mgmt_wq); |
| 5342 | fail_create_transport_wq: |
| 5343 | destroy_workqueue(ipa3_ctx->power_mgmt_wq); |
| 5344 | fail_init_hw: |
| 5345 | ipahal_destroy(); |
| 5346 | fail_ipahal: |
| 5347 | iounmap(ipa3_ctx->mmio); |
| 5348 | fail_remap: |
| 5349 | ipa3_disable_clks(); |
| 5350 | ipa3_active_clients_log_destroy(); |
| 5351 | fail_init_active_client: |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5352 | if (ipa3_clk) |
| 5353 | clk_put(ipa3_clk); |
| 5354 | ipa3_clk = NULL; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5355 | fail_clk: |
| 5356 | msm_bus_scale_unregister_client(ipa3_ctx->ipa_bus_hdl); |
| 5357 | fail_bus_reg: |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5358 | if (ipa3_bus_scale_table) { |
| 5359 | msm_bus_cl_clear_pdata(ipa3_bus_scale_table); |
| 5360 | ipa3_bus_scale_table = NULL; |
| 5361 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5362 | fail_init_mem_partition: |
| 5363 | fail_bind: |
| 5364 | kfree(ipa3_ctx->ctrl); |
| 5365 | fail_mem_ctrl: |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5366 | kfree(ipa3_ctx->ipa_tz_unlock_reg); |
| 5367 | fail_tz_unlock_reg: |
Skylar Chang | 841c145 | 2017-04-03 16:07:22 -0700 | [diff] [blame] | 5368 | if (ipa3_ctx->logbuf) |
| 5369 | ipc_log_context_destroy(ipa3_ctx->logbuf); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5370 | kfree(ipa3_ctx); |
| 5371 | ipa3_ctx = NULL; |
| 5372 | fail_mem_ctx: |
| 5373 | return result; |
| 5374 | } |
| 5375 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5376 | bool ipa_pm_is_used(void) |
| 5377 | { |
| 5378 | return (ipa3_ctx) ? ipa3_ctx->use_ipa_pm : false; |
| 5379 | } |
| 5380 | |
| 5381 | static int get_ipa_dts_pm_info(struct platform_device *pdev, |
| 5382 | struct ipa3_plat_drv_res *ipa_drv_res) |
| 5383 | { |
| 5384 | int result; |
| 5385 | int i, j; |
| 5386 | |
| 5387 | ipa_drv_res->use_ipa_pm = of_property_read_bool(pdev->dev.of_node, |
| 5388 | "qcom,use-ipa-pm"); |
| 5389 | IPADBG("use_ipa_pm=%d\n", ipa_drv_res->use_ipa_pm); |
| 5390 | if (!ipa_drv_res->use_ipa_pm) |
| 5391 | return 0; |
| 5392 | |
| 5393 | result = of_property_read_u32(pdev->dev.of_node, |
| 5394 | "qcom,msm-bus,num-cases", |
| 5395 | &ipa_drv_res->pm_init.threshold_size); |
| 5396 | /* No vote is ignored */ |
| 5397 | ipa_drv_res->pm_init.threshold_size -= 2; |
| 5398 | if (result || ipa_drv_res->pm_init.threshold_size > |
| 5399 | IPA_PM_THRESHOLD_MAX) { |
| 5400 | IPAERR("invalid property qcom,msm-bus,num-cases %d\n", |
| 5401 | ipa_drv_res->pm_init.threshold_size); |
| 5402 | return -EFAULT; |
| 5403 | } |
| 5404 | |
| 5405 | result = of_property_read_u32_array(pdev->dev.of_node, |
| 5406 | "qcom,throughput-threshold", |
| 5407 | ipa_drv_res->pm_init.default_threshold, |
| 5408 | ipa_drv_res->pm_init.threshold_size); |
| 5409 | if (result) { |
| 5410 | IPAERR("failed to read qcom,throughput-thresholds\n"); |
| 5411 | return -EFAULT; |
| 5412 | } |
| 5413 | |
| 5414 | result = of_property_count_strings(pdev->dev.of_node, |
| 5415 | "qcom,scaling-exceptions"); |
| 5416 | if (result < 0) { |
| 5417 | IPADBG("no exception list for ipa pm\n"); |
| 5418 | result = 0; |
| 5419 | } |
| 5420 | |
| 5421 | if (result % (ipa_drv_res->pm_init.threshold_size + 1)) { |
| 5422 | IPAERR("failed to read qcom,scaling-exceptions\n"); |
| 5423 | return -EFAULT; |
| 5424 | } |
| 5425 | |
| 5426 | ipa_drv_res->pm_init.exception_size = result / |
| 5427 | (ipa_drv_res->pm_init.threshold_size + 1); |
| 5428 | if (ipa_drv_res->pm_init.exception_size >= |
| 5429 | IPA_PM_EXCEPTION_MAX) { |
| 5430 | IPAERR("exception list larger then max %d\n", |
| 5431 | ipa_drv_res->pm_init.exception_size); |
| 5432 | return -EFAULT; |
| 5433 | } |
| 5434 | |
| 5435 | for (i = 0; i < ipa_drv_res->pm_init.exception_size; i++) { |
| 5436 | struct ipa_pm_exception *ex = ipa_drv_res->pm_init.exceptions; |
| 5437 | |
| 5438 | result = of_property_read_string_index(pdev->dev.of_node, |
| 5439 | "qcom,scaling-exceptions", |
| 5440 | i * ipa_drv_res->pm_init.threshold_size, |
| 5441 | &ex[i].usecase); |
| 5442 | if (result) { |
| 5443 | IPAERR("failed to read qcom,scaling-exceptions"); |
| 5444 | return -EFAULT; |
| 5445 | } |
| 5446 | |
| 5447 | for (j = 0; j < ipa_drv_res->pm_init.threshold_size; j++) { |
| 5448 | const char *str; |
| 5449 | |
| 5450 | result = of_property_read_string_index( |
| 5451 | pdev->dev.of_node, |
| 5452 | "qcom,scaling-exceptions", |
| 5453 | i * ipa_drv_res->pm_init.threshold_size + j + 1, |
| 5454 | &str); |
| 5455 | if (result) { |
| 5456 | IPAERR("failed to read qcom,scaling-exceptions" |
| 5457 | ); |
| 5458 | return -EFAULT; |
| 5459 | } |
| 5460 | |
| 5461 | if (kstrtou32(str, 0, &ex[i].threshold[j])) { |
| 5462 | IPAERR("error str=%s\n", str); |
| 5463 | return -EFAULT; |
| 5464 | } |
| 5465 | } |
| 5466 | } |
| 5467 | |
| 5468 | return 0; |
| 5469 | } |
| 5470 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5471 | static int get_ipa_dts_configuration(struct platform_device *pdev, |
| 5472 | struct ipa3_plat_drv_res *ipa_drv_res) |
| 5473 | { |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5474 | int i, result, pos; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5475 | struct resource *resource; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5476 | u32 *ipa_tz_unlock_reg; |
| 5477 | int elem_num; |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 5478 | u32 mhi_evid_limits[2]; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5479 | |
| 5480 | /* initialize ipa3_res */ |
| 5481 | ipa_drv_res->ipa_pipe_mem_start_ofst = IPA_PIPE_MEM_START_OFST; |
| 5482 | ipa_drv_res->ipa_pipe_mem_size = IPA_PIPE_MEM_SIZE; |
| 5483 | ipa_drv_res->ipa_hw_type = 0; |
| 5484 | ipa_drv_res->ipa3_hw_mode = 0; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5485 | ipa_drv_res->modem_cfg_emb_pipe_flt = false; |
| 5486 | ipa_drv_res->ipa_wdi2 = false; |
| 5487 | ipa_drv_res->use_64_bit_dma_mask = false; |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5488 | ipa_drv_res->use_bw_vote = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5489 | ipa_drv_res->wan_rx_ring_size = IPA_GENERIC_RX_POOL_SZ; |
| 5490 | ipa_drv_res->lan_rx_ring_size = IPA_GENERIC_RX_POOL_SZ; |
| 5491 | ipa_drv_res->apply_rg10_wa = false; |
| 5492 | ipa_drv_res->gsi_ch20_wa = false; |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5493 | ipa_drv_res->ipa_tz_unlock_reg_num = 0; |
| 5494 | ipa_drv_res->ipa_tz_unlock_reg = NULL; |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 5495 | ipa_drv_res->mhi_evid_limits[0] = IPA_MHI_GSI_EVENT_RING_ID_START; |
| 5496 | ipa_drv_res->mhi_evid_limits[1] = IPA_MHI_GSI_EVENT_RING_ID_END; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5497 | |
| 5498 | /* Get IPA HW Version */ |
| 5499 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ipa-hw-ver", |
| 5500 | &ipa_drv_res->ipa_hw_type); |
| 5501 | if ((result) || (ipa_drv_res->ipa_hw_type == 0)) { |
| 5502 | IPAERR(":get resource failed for ipa-hw-ver!\n"); |
| 5503 | return -ENODEV; |
| 5504 | } |
| 5505 | IPADBG(": ipa_hw_type = %d", ipa_drv_res->ipa_hw_type); |
| 5506 | |
| 5507 | if (ipa_drv_res->ipa_hw_type < IPA_HW_v3_0) { |
| 5508 | IPAERR(":IPA version below 3.0 not supported!\n"); |
| 5509 | return -ENODEV; |
| 5510 | } |
| 5511 | |
| 5512 | /* Get IPA HW mode */ |
| 5513 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ipa-hw-mode", |
| 5514 | &ipa_drv_res->ipa3_hw_mode); |
| 5515 | if (result) |
| 5516 | IPADBG("using default (IPA_MODE_NORMAL) for ipa-hw-mode\n"); |
| 5517 | else |
| 5518 | IPADBG(": found ipa_drv_res->ipa3_hw_mode = %d", |
| 5519 | ipa_drv_res->ipa3_hw_mode); |
| 5520 | |
| 5521 | /* Get IPA WAN / LAN RX pool size */ |
| 5522 | result = of_property_read_u32(pdev->dev.of_node, |
| 5523 | "qcom,wan-rx-ring-size", |
| 5524 | &ipa_drv_res->wan_rx_ring_size); |
| 5525 | if (result) |
| 5526 | IPADBG("using default for wan-rx-ring-size = %u\n", |
| 5527 | ipa_drv_res->wan_rx_ring_size); |
| 5528 | else |
| 5529 | IPADBG(": found ipa_drv_res->wan-rx-ring-size = %u", |
| 5530 | ipa_drv_res->wan_rx_ring_size); |
| 5531 | |
| 5532 | result = of_property_read_u32(pdev->dev.of_node, |
| 5533 | "qcom,lan-rx-ring-size", |
| 5534 | &ipa_drv_res->lan_rx_ring_size); |
| 5535 | if (result) |
| 5536 | IPADBG("using default for lan-rx-ring-size = %u\n", |
| 5537 | ipa_drv_res->lan_rx_ring_size); |
| 5538 | else |
| 5539 | IPADBG(": found ipa_drv_res->lan-rx-ring-size = %u", |
| 5540 | ipa_drv_res->lan_rx_ring_size); |
| 5541 | |
| 5542 | ipa_drv_res->use_ipa_teth_bridge = |
| 5543 | of_property_read_bool(pdev->dev.of_node, |
| 5544 | "qcom,use-ipa-tethering-bridge"); |
| 5545 | IPADBG(": using TBDr = %s", |
| 5546 | ipa_drv_res->use_ipa_teth_bridge |
| 5547 | ? "True" : "False"); |
| 5548 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5549 | ipa_drv_res->modem_cfg_emb_pipe_flt = |
| 5550 | of_property_read_bool(pdev->dev.of_node, |
| 5551 | "qcom,modem-cfg-emb-pipe-flt"); |
| 5552 | IPADBG(": modem configure embedded pipe filtering = %s\n", |
| 5553 | ipa_drv_res->modem_cfg_emb_pipe_flt |
| 5554 | ? "True" : "False"); |
| 5555 | |
| 5556 | ipa_drv_res->ipa_wdi2 = |
| 5557 | of_property_read_bool(pdev->dev.of_node, |
| 5558 | "qcom,ipa-wdi2"); |
| 5559 | IPADBG(": WDI-2.0 = %s\n", |
| 5560 | ipa_drv_res->ipa_wdi2 |
| 5561 | ? "True" : "False"); |
| 5562 | |
| 5563 | ipa_drv_res->use_64_bit_dma_mask = |
| 5564 | of_property_read_bool(pdev->dev.of_node, |
| 5565 | "qcom,use-64-bit-dma-mask"); |
| 5566 | IPADBG(": use_64_bit_dma_mask = %s\n", |
| 5567 | ipa_drv_res->use_64_bit_dma_mask |
| 5568 | ? "True" : "False"); |
| 5569 | |
Ghanim Fodi | 6a83134 | 2017-03-07 18:19:15 +0200 | [diff] [blame] | 5570 | ipa_drv_res->use_bw_vote = |
| 5571 | of_property_read_bool(pdev->dev.of_node, |
| 5572 | "qcom,bandwidth-vote-for-ipa"); |
| 5573 | IPADBG(": use_bw_vote = %s\n", |
| 5574 | ipa_drv_res->use_bw_vote |
| 5575 | ? "True" : "False"); |
| 5576 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5577 | ipa_drv_res->skip_uc_pipe_reset = |
| 5578 | of_property_read_bool(pdev->dev.of_node, |
| 5579 | "qcom,skip-uc-pipe-reset"); |
| 5580 | IPADBG(": skip uC pipe reset = %s\n", |
| 5581 | ipa_drv_res->skip_uc_pipe_reset |
| 5582 | ? "True" : "False"); |
| 5583 | |
| 5584 | ipa_drv_res->tethered_flow_control = |
| 5585 | of_property_read_bool(pdev->dev.of_node, |
| 5586 | "qcom,tethered-flow-control"); |
| 5587 | IPADBG(": Use apps based flow control = %s\n", |
| 5588 | ipa_drv_res->tethered_flow_control |
| 5589 | ? "True" : "False"); |
| 5590 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5591 | /* Get IPA wrapper address */ |
| 5592 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 5593 | "ipa-base"); |
| 5594 | if (!resource) { |
| 5595 | IPAERR(":get resource failed for ipa-base!\n"); |
| 5596 | return -ENODEV; |
| 5597 | } |
| 5598 | ipa_drv_res->ipa_mem_base = resource->start; |
| 5599 | ipa_drv_res->ipa_mem_size = resource_size(resource); |
| 5600 | IPADBG(": ipa-base = 0x%x, size = 0x%x\n", |
| 5601 | ipa_drv_res->ipa_mem_base, |
| 5602 | ipa_drv_res->ipa_mem_size); |
| 5603 | |
| 5604 | smmu_info.ipa_base = ipa_drv_res->ipa_mem_base; |
| 5605 | smmu_info.ipa_size = ipa_drv_res->ipa_mem_size; |
| 5606 | |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5607 | /* Get IPA GSI address */ |
| 5608 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 5609 | "gsi-base"); |
| 5610 | if (!resource) { |
| 5611 | IPAERR(":get resource failed for gsi-base!\n"); |
| 5612 | return -ENODEV; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5613 | } |
Amir Levy | a59ed3f | 2017-03-05 17:30:55 +0200 | [diff] [blame] | 5614 | ipa_drv_res->transport_mem_base = resource->start; |
| 5615 | ipa_drv_res->transport_mem_size = resource_size(resource); |
| 5616 | IPADBG(": gsi-base = 0x%x, size = 0x%x\n", |
| 5617 | ipa_drv_res->transport_mem_base, |
| 5618 | ipa_drv_res->transport_mem_size); |
| 5619 | |
| 5620 | /* Get IPA GSI IRQ number */ |
| 5621 | resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 5622 | "gsi-irq"); |
| 5623 | if (!resource) { |
| 5624 | IPAERR(":get resource failed for gsi-irq!\n"); |
| 5625 | return -ENODEV; |
| 5626 | } |
| 5627 | ipa_drv_res->transport_irq = resource->start; |
| 5628 | IPADBG(": gsi-irq = %d\n", ipa_drv_res->transport_irq); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5629 | |
| 5630 | /* Get IPA pipe mem start ofst */ |
| 5631 | resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 5632 | "ipa-pipe-mem"); |
| 5633 | if (!resource) { |
| 5634 | IPADBG(":not using pipe memory - resource nonexisting\n"); |
| 5635 | } else { |
| 5636 | ipa_drv_res->ipa_pipe_mem_start_ofst = resource->start; |
| 5637 | ipa_drv_res->ipa_pipe_mem_size = resource_size(resource); |
| 5638 | IPADBG(":using pipe memory - at 0x%x of size 0x%x\n", |
| 5639 | ipa_drv_res->ipa_pipe_mem_start_ofst, |
| 5640 | ipa_drv_res->ipa_pipe_mem_size); |
| 5641 | } |
| 5642 | |
| 5643 | /* Get IPA IRQ number */ |
| 5644 | resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 5645 | "ipa-irq"); |
| 5646 | if (!resource) { |
| 5647 | IPAERR(":get resource failed for ipa-irq!\n"); |
| 5648 | return -ENODEV; |
| 5649 | } |
| 5650 | ipa_drv_res->ipa_irq = resource->start; |
| 5651 | IPADBG(":ipa-irq = %d\n", ipa_drv_res->ipa_irq); |
| 5652 | |
| 5653 | result = of_property_read_u32(pdev->dev.of_node, "qcom,ee", |
| 5654 | &ipa_drv_res->ee); |
| 5655 | if (result) |
| 5656 | ipa_drv_res->ee = 0; |
| 5657 | |
| 5658 | ipa_drv_res->apply_rg10_wa = |
| 5659 | of_property_read_bool(pdev->dev.of_node, |
| 5660 | "qcom,use-rg10-limitation-mitigation"); |
| 5661 | IPADBG(": Use Register Group 10 limitation mitigation = %s\n", |
| 5662 | ipa_drv_res->apply_rg10_wa |
| 5663 | ? "True" : "False"); |
| 5664 | |
| 5665 | ipa_drv_res->gsi_ch20_wa = |
| 5666 | of_property_read_bool(pdev->dev.of_node, |
| 5667 | "qcom,do-not-use-ch-gsi-20"); |
| 5668 | IPADBG(": GSI CH 20 WA is = %s\n", |
| 5669 | ipa_drv_res->apply_rg10_wa |
| 5670 | ? "Needed" : "Not needed"); |
| 5671 | |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5672 | elem_num = of_property_count_elems_of_size(pdev->dev.of_node, |
Ghanim Fodi | c823bc6 | 2017-10-21 17:29:53 +0300 | [diff] [blame] | 5673 | "qcom,mhi-event-ring-id-limits", sizeof(u32)); |
| 5674 | |
| 5675 | if (elem_num == 2) { |
| 5676 | if (of_property_read_u32_array(pdev->dev.of_node, |
| 5677 | "qcom,mhi-event-ring-id-limits", mhi_evid_limits, 2)) { |
| 5678 | IPAERR("failed to read mhi event ring id limits\n"); |
| 5679 | return -EFAULT; |
| 5680 | } |
| 5681 | if (mhi_evid_limits[0] > mhi_evid_limits[1]) { |
| 5682 | IPAERR("mhi event ring id low limit > high limit\n"); |
| 5683 | return -EFAULT; |
| 5684 | } |
| 5685 | ipa_drv_res->mhi_evid_limits[0] = mhi_evid_limits[0]; |
| 5686 | ipa_drv_res->mhi_evid_limits[1] = mhi_evid_limits[1]; |
| 5687 | IPADBG(": mhi-event-ring-id-limits start=%u end=%u\n", |
| 5688 | mhi_evid_limits[0], mhi_evid_limits[1]); |
| 5689 | } else { |
| 5690 | if (elem_num > 0) { |
| 5691 | IPAERR("Invalid mhi event ring id limits number %d\n", |
| 5692 | elem_num); |
| 5693 | return -EINVAL; |
| 5694 | } |
| 5695 | IPADBG("use default mhi evt ring id limits start=%u end=%u\n", |
| 5696 | ipa_drv_res->mhi_evid_limits[0], |
| 5697 | ipa_drv_res->mhi_evid_limits[1]); |
| 5698 | } |
| 5699 | |
| 5700 | elem_num = of_property_count_elems_of_size(pdev->dev.of_node, |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5701 | "qcom,ipa-tz-unlock-reg", sizeof(u32)); |
| 5702 | |
| 5703 | if (elem_num > 0 && elem_num % 2 == 0) { |
| 5704 | ipa_drv_res->ipa_tz_unlock_reg_num = elem_num / 2; |
| 5705 | |
| 5706 | ipa_tz_unlock_reg = kcalloc(elem_num, sizeof(u32), GFP_KERNEL); |
| 5707 | if (ipa_tz_unlock_reg == NULL) |
| 5708 | return -ENOMEM; |
| 5709 | |
| 5710 | ipa_drv_res->ipa_tz_unlock_reg = kcalloc( |
| 5711 | ipa_drv_res->ipa_tz_unlock_reg_num, |
| 5712 | sizeof(*ipa_drv_res->ipa_tz_unlock_reg), |
| 5713 | GFP_KERNEL); |
| 5714 | if (ipa_drv_res->ipa_tz_unlock_reg == NULL) { |
| 5715 | kfree(ipa_tz_unlock_reg); |
| 5716 | return -ENOMEM; |
| 5717 | } |
| 5718 | |
| 5719 | if (of_property_read_u32_array(pdev->dev.of_node, |
| 5720 | "qcom,ipa-tz-unlock-reg", ipa_tz_unlock_reg, |
| 5721 | elem_num)) { |
| 5722 | IPAERR("failed to read register addresses\n"); |
| 5723 | kfree(ipa_tz_unlock_reg); |
| 5724 | kfree(ipa_drv_res->ipa_tz_unlock_reg); |
| 5725 | return -EFAULT; |
| 5726 | } |
| 5727 | |
| 5728 | pos = 0; |
| 5729 | for (i = 0; i < ipa_drv_res->ipa_tz_unlock_reg_num; i++) { |
| 5730 | ipa_drv_res->ipa_tz_unlock_reg[i].reg_addr = |
| 5731 | ipa_tz_unlock_reg[pos++]; |
| 5732 | ipa_drv_res->ipa_tz_unlock_reg[i].size = |
| 5733 | ipa_tz_unlock_reg[pos++]; |
Skylar Chang | 48afa05 | 2017-10-25 09:32:57 -0700 | [diff] [blame] | 5734 | IPADBG("tz unlock reg %d: addr 0x%pa size %llu\n", i, |
Gidon Studinski | 3021a6f | 2016-11-10 12:48:48 +0200 | [diff] [blame] | 5735 | &ipa_drv_res->ipa_tz_unlock_reg[i].reg_addr, |
| 5736 | ipa_drv_res->ipa_tz_unlock_reg[i].size); |
| 5737 | } |
| 5738 | kfree(ipa_tz_unlock_reg); |
| 5739 | } |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 5740 | |
| 5741 | /* get IPA PM related information */ |
| 5742 | result = get_ipa_dts_pm_info(pdev, ipa_drv_res); |
| 5743 | if (result) { |
| 5744 | IPAERR("failed to get pm info from dts %d\n", result); |
| 5745 | return result; |
| 5746 | } |
| 5747 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5748 | return 0; |
| 5749 | } |
| 5750 | |
| 5751 | static int ipa_smmu_wlan_cb_probe(struct device *dev) |
| 5752 | { |
| 5753 | struct ipa_smmu_cb_ctx *cb = ipa3_get_wlan_smmu_ctx(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5754 | int atomic_ctx = 1; |
| 5755 | int fast = 1; |
| 5756 | int bypass = 1; |
| 5757 | int ret; |
| 5758 | u32 add_map_size; |
| 5759 | const u32 *add_map; |
| 5760 | int i; |
| 5761 | |
| 5762 | IPADBG("sub pdev=%p\n", dev); |
| 5763 | |
| 5764 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5765 | cb->iommu = iommu_domain_alloc(dev->bus); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5766 | if (!cb->iommu) { |
| 5767 | IPAERR("could not alloc iommu domain\n"); |
| 5768 | /* assume this failure is because iommu driver is not ready */ |
| 5769 | return -EPROBE_DEFER; |
| 5770 | } |
| 5771 | cb->valid = true; |
| 5772 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5773 | if (of_property_read_bool(dev->of_node, "qcom,smmu-s1-bypass")) { |
| 5774 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_WLAN] = true; |
Michael Adisumarta | 972e33e | 2017-10-20 15:24:27 -0700 | [diff] [blame] | 5775 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_WLAN] = true; |
| 5776 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5777 | if (iommu_domain_set_attr(cb->iommu, |
| 5778 | DOMAIN_ATTR_S1_BYPASS, |
| 5779 | &bypass)) { |
| 5780 | IPAERR("couldn't set bypass\n"); |
| 5781 | cb->valid = false; |
| 5782 | return -EIO; |
| 5783 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5784 | IPADBG("WLAN SMMU S1 BYPASS\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5785 | } else { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5786 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_WLAN] = false; |
Michael Adisumarta | 972e33e | 2017-10-20 15:24:27 -0700 | [diff] [blame] | 5787 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_WLAN] = false; |
| 5788 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5789 | if (iommu_domain_set_attr(cb->iommu, |
| 5790 | DOMAIN_ATTR_ATOMIC, |
| 5791 | &atomic_ctx)) { |
| 5792 | IPAERR("couldn't disable coherent HTW\n"); |
| 5793 | cb->valid = false; |
| 5794 | return -EIO; |
| 5795 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5796 | IPADBG(" WLAN SMMU ATTR ATOMIC\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5797 | |
| 5798 | if (smmu_info.fast_map) { |
| 5799 | if (iommu_domain_set_attr(cb->iommu, |
| 5800 | DOMAIN_ATTR_FAST, |
| 5801 | &fast)) { |
| 5802 | IPAERR("couldn't set fast map\n"); |
| 5803 | cb->valid = false; |
| 5804 | return -EIO; |
| 5805 | } |
| 5806 | IPADBG("SMMU fast map set\n"); |
| 5807 | } |
| 5808 | } |
| 5809 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5810 | pr_info("IPA smmu_info.s1_bypass_arr[WLAN]=%d smmu_info.fast_map=%d\n", |
| 5811 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_WLAN], smmu_info.fast_map); |
| 5812 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5813 | ret = iommu_attach_device(cb->iommu, dev); |
| 5814 | if (ret) { |
| 5815 | IPAERR("could not attach device ret=%d\n", ret); |
| 5816 | cb->valid = false; |
| 5817 | return ret; |
| 5818 | } |
| 5819 | /* MAP ipa-uc ram */ |
| 5820 | add_map = of_get_property(dev->of_node, |
| 5821 | "qcom,additional-mapping", &add_map_size); |
| 5822 | if (add_map) { |
| 5823 | /* mapping size is an array of 3-tuple of u32 */ |
| 5824 | if (add_map_size % (3 * sizeof(u32))) { |
| 5825 | IPAERR("wrong additional mapping format\n"); |
| 5826 | cb->valid = false; |
| 5827 | return -EFAULT; |
| 5828 | } |
| 5829 | |
| 5830 | /* iterate of each entry of the additional mapping array */ |
| 5831 | for (i = 0; i < add_map_size / sizeof(u32); i += 3) { |
| 5832 | u32 iova = be32_to_cpu(add_map[i]); |
| 5833 | u32 pa = be32_to_cpu(add_map[i + 1]); |
| 5834 | u32 size = be32_to_cpu(add_map[i + 2]); |
| 5835 | unsigned long iova_p; |
| 5836 | phys_addr_t pa_p; |
| 5837 | u32 size_p; |
| 5838 | |
| 5839 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, |
| 5840 | iova_p, pa_p, size_p); |
| 5841 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 5842 | iova_p, &pa_p, size_p); |
| 5843 | ipa3_iommu_map(cb->iommu, |
| 5844 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5845 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5846 | } |
| 5847 | } |
| 5848 | return 0; |
| 5849 | } |
| 5850 | |
| 5851 | static int ipa_smmu_uc_cb_probe(struct device *dev) |
| 5852 | { |
| 5853 | struct ipa_smmu_cb_ctx *cb = ipa3_get_uc_smmu_ctx(); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5854 | int atomic_ctx = 1; |
| 5855 | int bypass = 1; |
| 5856 | int fast = 1; |
| 5857 | int ret; |
| 5858 | u32 iova_ap_mapping[2]; |
| 5859 | |
| 5860 | IPADBG("UC CB PROBE sub pdev=%p\n", dev); |
| 5861 | |
| 5862 | ret = of_property_read_u32_array(dev->of_node, "qcom,iova-mapping", |
| 5863 | iova_ap_mapping, 2); |
| 5864 | if (ret) { |
| 5865 | IPAERR("Fail to read UC start/size iova addresses\n"); |
| 5866 | return ret; |
| 5867 | } |
| 5868 | cb->va_start = iova_ap_mapping[0]; |
| 5869 | cb->va_size = iova_ap_mapping[1]; |
| 5870 | cb->va_end = cb->va_start + cb->va_size; |
| 5871 | IPADBG("UC va_start=0x%x va_sise=0x%x\n", cb->va_start, cb->va_size); |
| 5872 | |
| 5873 | if (smmu_info.use_64_bit_dma_mask) { |
| 5874 | if (dma_set_mask(dev, DMA_BIT_MASK(64)) || |
| 5875 | dma_set_coherent_mask(dev, DMA_BIT_MASK(64))) { |
| 5876 | IPAERR("DMA set 64bit mask failed\n"); |
| 5877 | return -EOPNOTSUPP; |
| 5878 | } |
| 5879 | } else { |
| 5880 | if (dma_set_mask(dev, DMA_BIT_MASK(32)) || |
| 5881 | dma_set_coherent_mask(dev, DMA_BIT_MASK(32))) { |
| 5882 | IPAERR("DMA set 32bit mask failed\n"); |
| 5883 | return -EOPNOTSUPP; |
| 5884 | } |
| 5885 | } |
| 5886 | IPADBG("UC CB PROBE=%p create IOMMU mapping\n", dev); |
| 5887 | |
| 5888 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 5889 | cb->mapping = arm_iommu_create_mapping(dev->bus, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5890 | cb->va_start, cb->va_size); |
| 5891 | if (IS_ERR_OR_NULL(cb->mapping)) { |
| 5892 | IPADBG("Fail to create mapping\n"); |
| 5893 | /* assume this failure is because iommu driver is not ready */ |
| 5894 | return -EPROBE_DEFER; |
| 5895 | } |
| 5896 | IPADBG("SMMU mapping created\n"); |
| 5897 | cb->valid = true; |
| 5898 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5899 | IPADBG("UC CB PROBE sub pdev=%p set attribute\n", dev); |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5900 | |
| 5901 | if (of_property_read_bool(dev->of_node, "qcom,smmu-s1-bypass")) { |
| 5902 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_UC] = true; |
Michael Adisumarta | 972e33e | 2017-10-20 15:24:27 -0700 | [diff] [blame] | 5903 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_UC] = true; |
| 5904 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5905 | if (iommu_domain_set_attr(cb->mapping->domain, |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5906 | DOMAIN_ATTR_S1_BYPASS, |
| 5907 | &bypass)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5908 | IPAERR("couldn't set bypass\n"); |
| 5909 | arm_iommu_release_mapping(cb->mapping); |
| 5910 | cb->valid = false; |
| 5911 | return -EIO; |
| 5912 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5913 | IPADBG("UC SMMU S1 BYPASS\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5914 | } else { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5915 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_UC] = false; |
Michael Adisumarta | 972e33e | 2017-10-20 15:24:27 -0700 | [diff] [blame] | 5916 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_UC] = false; |
| 5917 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5918 | if (iommu_domain_set_attr(cb->mapping->domain, |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5919 | DOMAIN_ATTR_ATOMIC, |
| 5920 | &atomic_ctx)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5921 | IPAERR("couldn't set domain as atomic\n"); |
| 5922 | arm_iommu_release_mapping(cb->mapping); |
| 5923 | cb->valid = false; |
| 5924 | return -EIO; |
| 5925 | } |
| 5926 | IPADBG("SMMU atomic set\n"); |
| 5927 | |
| 5928 | if (smmu_info.fast_map) { |
| 5929 | if (iommu_domain_set_attr(cb->mapping->domain, |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5930 | DOMAIN_ATTR_FAST, |
| 5931 | &fast)) { |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5932 | IPAERR("couldn't set fast map\n"); |
| 5933 | arm_iommu_release_mapping(cb->mapping); |
| 5934 | cb->valid = false; |
| 5935 | return -EIO; |
| 5936 | } |
| 5937 | IPADBG("SMMU fast map set\n"); |
| 5938 | } |
| 5939 | } |
| 5940 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 5941 | pr_info("IPA smmu_info.s1_bypass_arr[UC]=%d smmu_info.fast_map=%d\n", |
| 5942 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_UC], smmu_info.fast_map); |
| 5943 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5944 | IPADBG("UC CB PROBE sub pdev=%p attaching IOMMU device\n", dev); |
| 5945 | ret = arm_iommu_attach_device(cb->dev, cb->mapping); |
| 5946 | if (ret) { |
| 5947 | IPAERR("could not attach device ret=%d\n", ret); |
| 5948 | arm_iommu_release_mapping(cb->mapping); |
| 5949 | cb->valid = false; |
| 5950 | return ret; |
| 5951 | } |
| 5952 | |
| 5953 | cb->next_addr = cb->va_end; |
| 5954 | ipa3_ctx->uc_pdev = dev; |
| 5955 | |
| 5956 | return 0; |
| 5957 | } |
| 5958 | |
| 5959 | static int ipa_smmu_ap_cb_probe(struct device *dev) |
| 5960 | { |
| 5961 | struct ipa_smmu_cb_ctx *cb = ipa3_get_smmu_ctx(); |
| 5962 | int result; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 5963 | int atomic_ctx = 1; |
| 5964 | int fast = 1; |
| 5965 | int bypass = 1; |
| 5966 | u32 iova_ap_mapping[2]; |
| 5967 | u32 add_map_size; |
| 5968 | const u32 *add_map; |
| 5969 | void *smem_addr; |
| 5970 | int i; |
| 5971 | |
| 5972 | IPADBG("AP CB probe: sub pdev=%p\n", dev); |
| 5973 | |
| 5974 | result = of_property_read_u32_array(dev->of_node, "qcom,iova-mapping", |
| 5975 | iova_ap_mapping, 2); |
| 5976 | if (result) { |
| 5977 | IPAERR("Fail to read AP start/size iova addresses\n"); |
| 5978 | return result; |
| 5979 | } |
| 5980 | cb->va_start = iova_ap_mapping[0]; |
| 5981 | cb->va_size = iova_ap_mapping[1]; |
| 5982 | cb->va_end = cb->va_start + cb->va_size; |
| 5983 | IPADBG("AP va_start=0x%x va_sise=0x%x\n", cb->va_start, cb->va_size); |
| 5984 | |
| 5985 | if (smmu_info.use_64_bit_dma_mask) { |
| 5986 | if (dma_set_mask(dev, DMA_BIT_MASK(64)) || |
| 5987 | dma_set_coherent_mask(dev, DMA_BIT_MASK(64))) { |
| 5988 | IPAERR("DMA set 64bit mask failed\n"); |
| 5989 | return -EOPNOTSUPP; |
| 5990 | } |
| 5991 | } else { |
| 5992 | if (dma_set_mask(dev, DMA_BIT_MASK(32)) || |
| 5993 | dma_set_coherent_mask(dev, DMA_BIT_MASK(32))) { |
| 5994 | IPAERR("DMA set 32bit mask failed\n"); |
| 5995 | return -EOPNOTSUPP; |
| 5996 | } |
| 5997 | } |
| 5998 | |
| 5999 | cb->dev = dev; |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 6000 | cb->mapping = arm_iommu_create_mapping(dev->bus, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6001 | cb->va_start, cb->va_size); |
| 6002 | if (IS_ERR_OR_NULL(cb->mapping)) { |
| 6003 | IPADBG("Fail to create mapping\n"); |
| 6004 | /* assume this failure is because iommu driver is not ready */ |
| 6005 | return -EPROBE_DEFER; |
| 6006 | } |
| 6007 | IPADBG("SMMU mapping created\n"); |
| 6008 | cb->valid = true; |
| 6009 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6010 | if (of_property_read_bool(dev->of_node, |
| 6011 | "qcom,smmu-s1-bypass")) { |
| 6012 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_AP] = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6013 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 6014 | DOMAIN_ATTR_S1_BYPASS, |
| 6015 | &bypass)) { |
| 6016 | IPAERR("couldn't set bypass\n"); |
| 6017 | arm_iommu_release_mapping(cb->mapping); |
| 6018 | cb->valid = false; |
| 6019 | return -EIO; |
| 6020 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6021 | IPADBG("AP/USB SMMU S1 BYPASS\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6022 | } else { |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6023 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_AP] = false; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6024 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 6025 | DOMAIN_ATTR_ATOMIC, |
| 6026 | &atomic_ctx)) { |
| 6027 | IPAERR("couldn't set domain as atomic\n"); |
| 6028 | arm_iommu_release_mapping(cb->mapping); |
| 6029 | cb->valid = false; |
| 6030 | return -EIO; |
| 6031 | } |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6032 | IPADBG("AP/USB SMMU atomic set\n"); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6033 | |
| 6034 | if (iommu_domain_set_attr(cb->mapping->domain, |
| 6035 | DOMAIN_ATTR_FAST, |
| 6036 | &fast)) { |
| 6037 | IPAERR("couldn't set fast map\n"); |
| 6038 | arm_iommu_release_mapping(cb->mapping); |
| 6039 | cb->valid = false; |
| 6040 | return -EIO; |
| 6041 | } |
| 6042 | IPADBG("SMMU fast map set\n"); |
| 6043 | } |
| 6044 | |
Michael Adisumarta | 93e9752 | 2017-10-06 15:49:46 -0700 | [diff] [blame] | 6045 | pr_info("IPA smmu_info.s1_bypass_arr[AP]=%d smmu_info.fast_map=%d\n", |
| 6046 | smmu_info.s1_bypass_arr[IPA_SMMU_CB_AP], smmu_info.fast_map); |
| 6047 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6048 | result = arm_iommu_attach_device(cb->dev, cb->mapping); |
| 6049 | if (result) { |
| 6050 | IPAERR("couldn't attach to IOMMU ret=%d\n", result); |
| 6051 | cb->valid = false; |
| 6052 | return result; |
| 6053 | } |
| 6054 | |
| 6055 | add_map = of_get_property(dev->of_node, |
| 6056 | "qcom,additional-mapping", &add_map_size); |
| 6057 | if (add_map) { |
| 6058 | /* mapping size is an array of 3-tuple of u32 */ |
| 6059 | if (add_map_size % (3 * sizeof(u32))) { |
| 6060 | IPAERR("wrong additional mapping format\n"); |
| 6061 | cb->valid = false; |
| 6062 | return -EFAULT; |
| 6063 | } |
| 6064 | |
| 6065 | /* iterate of each entry of the additional mapping array */ |
| 6066 | for (i = 0; i < add_map_size / sizeof(u32); i += 3) { |
| 6067 | u32 iova = be32_to_cpu(add_map[i]); |
| 6068 | u32 pa = be32_to_cpu(add_map[i + 1]); |
| 6069 | u32 size = be32_to_cpu(add_map[i + 2]); |
| 6070 | unsigned long iova_p; |
| 6071 | phys_addr_t pa_p; |
| 6072 | u32 size_p; |
| 6073 | |
| 6074 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, size, |
| 6075 | iova_p, pa_p, size_p); |
| 6076 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 6077 | iova_p, &pa_p, size_p); |
| 6078 | ipa3_iommu_map(cb->mapping->domain, |
| 6079 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 6080 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6081 | } |
| 6082 | } |
| 6083 | |
| 6084 | /* map SMEM memory for IPA table accesses */ |
| 6085 | smem_addr = smem_alloc(SMEM_IPA_FILTER_TABLE, IPA_SMEM_SIZE, |
| 6086 | SMEM_MODEM, 0); |
| 6087 | if (smem_addr) { |
| 6088 | phys_addr_t iova = smem_virt_to_phys(smem_addr); |
| 6089 | phys_addr_t pa = iova; |
| 6090 | unsigned long iova_p; |
| 6091 | phys_addr_t pa_p; |
| 6092 | u32 size_p; |
| 6093 | |
| 6094 | IPA_SMMU_ROUND_TO_PAGE(iova, pa, IPA_SMEM_SIZE, |
| 6095 | iova_p, pa_p, size_p); |
| 6096 | IPADBG("mapping 0x%lx to 0x%pa size %d\n", |
| 6097 | iova_p, &pa_p, size_p); |
| 6098 | ipa3_iommu_map(cb->mapping->domain, |
| 6099 | iova_p, pa_p, size_p, |
Amir Levy | f562534 | 2016-12-25 10:21:02 +0200 | [diff] [blame] | 6100 | IOMMU_READ | IOMMU_WRITE | IOMMU_MMIO); |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6101 | } |
| 6102 | |
| 6103 | |
| 6104 | smmu_info.present = true; |
| 6105 | |
| 6106 | if (!ipa3_bus_scale_table) |
| 6107 | ipa3_bus_scale_table = msm_bus_cl_get_pdata(ipa3_pdev); |
| 6108 | |
| 6109 | /* Proceed to real initialization */ |
| 6110 | result = ipa3_pre_init(&ipa3_res, dev); |
| 6111 | if (result) { |
| 6112 | IPAERR("ipa_init failed\n"); |
| 6113 | arm_iommu_detach_device(cb->dev); |
| 6114 | arm_iommu_release_mapping(cb->mapping); |
| 6115 | cb->valid = false; |
| 6116 | return result; |
| 6117 | } |
| 6118 | |
| 6119 | return result; |
| 6120 | } |
| 6121 | |
| 6122 | static irqreturn_t ipa3_smp2p_modem_clk_query_isr(int irq, void *ctxt) |
| 6123 | { |
| 6124 | ipa3_freeze_clock_vote_and_notify_modem(); |
| 6125 | |
| 6126 | return IRQ_HANDLED; |
| 6127 | } |
| 6128 | |
| 6129 | static int ipa3_smp2p_probe(struct device *dev) |
| 6130 | { |
| 6131 | struct device_node *node = dev->of_node; |
| 6132 | int res; |
| 6133 | |
Mohammed Javid | 7de1270 | 2017-07-21 15:22:58 +0530 | [diff] [blame] | 6134 | if (ipa3_ctx == NULL) { |
| 6135 | IPAERR("ipa3_ctx was not initialized\n"); |
| 6136 | return -ENXIO; |
| 6137 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6138 | IPADBG("node->name=%s\n", node->name); |
| 6139 | if (strcmp("qcom,smp2pgpio_map_ipa_1_out", node->name) == 0) { |
| 6140 | res = of_get_gpio(node, 0); |
| 6141 | if (res < 0) { |
| 6142 | IPADBG("of_get_gpio returned %d\n", res); |
| 6143 | return res; |
| 6144 | } |
| 6145 | |
| 6146 | ipa3_ctx->smp2p_info.out_base_id = res; |
| 6147 | IPADBG("smp2p out_base_id=%d\n", |
| 6148 | ipa3_ctx->smp2p_info.out_base_id); |
| 6149 | } else if (strcmp("qcom,smp2pgpio_map_ipa_1_in", node->name) == 0) { |
| 6150 | int irq; |
| 6151 | |
| 6152 | res = of_get_gpio(node, 0); |
| 6153 | if (res < 0) { |
| 6154 | IPADBG("of_get_gpio returned %d\n", res); |
| 6155 | return res; |
| 6156 | } |
| 6157 | |
| 6158 | ipa3_ctx->smp2p_info.in_base_id = res; |
| 6159 | IPADBG("smp2p in_base_id=%d\n", |
| 6160 | ipa3_ctx->smp2p_info.in_base_id); |
| 6161 | |
| 6162 | /* register for modem clk query */ |
| 6163 | irq = gpio_to_irq(ipa3_ctx->smp2p_info.in_base_id + |
| 6164 | IPA_GPIO_IN_QUERY_CLK_IDX); |
| 6165 | if (irq < 0) { |
| 6166 | IPAERR("gpio_to_irq failed %d\n", irq); |
| 6167 | return -ENODEV; |
| 6168 | } |
| 6169 | IPADBG("smp2p irq#=%d\n", irq); |
| 6170 | res = request_irq(irq, |
| 6171 | (irq_handler_t)ipa3_smp2p_modem_clk_query_isr, |
| 6172 | IRQF_TRIGGER_RISING, "ipa_smp2p_clk_vote", dev); |
| 6173 | if (res) { |
| 6174 | IPAERR("fail to register smp2p irq=%d\n", irq); |
| 6175 | return -ENODEV; |
| 6176 | } |
| 6177 | res = enable_irq_wake(ipa3_ctx->smp2p_info.in_base_id + |
| 6178 | IPA_GPIO_IN_QUERY_CLK_IDX); |
| 6179 | if (res) |
| 6180 | IPAERR("failed to enable irq wake\n"); |
| 6181 | } |
| 6182 | |
| 6183 | return 0; |
| 6184 | } |
| 6185 | |
| 6186 | int ipa3_plat_drv_probe(struct platform_device *pdev_p, |
| 6187 | struct ipa_api_controller *api_ctrl, |
| 6188 | const struct of_device_id *pdrv_match) |
| 6189 | { |
| 6190 | int result; |
| 6191 | struct device *dev = &pdev_p->dev; |
| 6192 | |
| 6193 | IPADBG("IPA driver probing started\n"); |
| 6194 | IPADBG("dev->of_node->name = %s\n", dev->of_node->name); |
| 6195 | |
| 6196 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-ap-cb")) |
| 6197 | return ipa_smmu_ap_cb_probe(dev); |
| 6198 | |
| 6199 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-wlan-cb")) |
| 6200 | return ipa_smmu_wlan_cb_probe(dev); |
| 6201 | |
| 6202 | if (of_device_is_compatible(dev->of_node, "qcom,ipa-smmu-uc-cb")) |
| 6203 | return ipa_smmu_uc_cb_probe(dev); |
| 6204 | |
| 6205 | if (of_device_is_compatible(dev->of_node, |
| 6206 | "qcom,smp2pgpio-map-ipa-1-in")) |
| 6207 | return ipa3_smp2p_probe(dev); |
| 6208 | |
| 6209 | if (of_device_is_compatible(dev->of_node, |
| 6210 | "qcom,smp2pgpio-map-ipa-1-out")) |
| 6211 | return ipa3_smp2p_probe(dev); |
| 6212 | |
| 6213 | master_dev = dev; |
| 6214 | if (!ipa3_pdev) |
| 6215 | ipa3_pdev = pdev_p; |
| 6216 | |
| 6217 | result = get_ipa_dts_configuration(pdev_p, &ipa3_res); |
| 6218 | if (result) { |
| 6219 | IPAERR("IPA dts parsing failed\n"); |
| 6220 | return result; |
| 6221 | } |
| 6222 | |
| 6223 | result = ipa3_bind_api_controller(ipa3_res.ipa_hw_type, api_ctrl); |
| 6224 | if (result) { |
| 6225 | IPAERR("IPA API binding failed\n"); |
| 6226 | return result; |
| 6227 | } |
| 6228 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6229 | if (of_property_read_bool(pdev_p->dev.of_node, "qcom,arm-smmu")) { |
| 6230 | if (of_property_read_bool(pdev_p->dev.of_node, |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6231 | "qcom,smmu-fast-map")) |
| 6232 | smmu_info.fast_map = true; |
| 6233 | if (of_property_read_bool(pdev_p->dev.of_node, |
| 6234 | "qcom,use-64-bit-dma-mask")) |
| 6235 | smmu_info.use_64_bit_dma_mask = true; |
| 6236 | smmu_info.arm_smmu = true; |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6237 | } else if (of_property_read_bool(pdev_p->dev.of_node, |
| 6238 | "qcom,msm-smmu")) { |
| 6239 | IPAERR("Legacy IOMMU not supported\n"); |
| 6240 | result = -EOPNOTSUPP; |
| 6241 | } else { |
| 6242 | if (of_property_read_bool(pdev_p->dev.of_node, |
| 6243 | "qcom,use-64-bit-dma-mask")) { |
| 6244 | if (dma_set_mask(&pdev_p->dev, DMA_BIT_MASK(64)) || |
| 6245 | dma_set_coherent_mask(&pdev_p->dev, |
| 6246 | DMA_BIT_MASK(64))) { |
| 6247 | IPAERR("DMA set 64bit mask failed\n"); |
| 6248 | return -EOPNOTSUPP; |
| 6249 | } |
| 6250 | } else { |
| 6251 | if (dma_set_mask(&pdev_p->dev, DMA_BIT_MASK(32)) || |
| 6252 | dma_set_coherent_mask(&pdev_p->dev, |
| 6253 | DMA_BIT_MASK(32))) { |
| 6254 | IPAERR("DMA set 32bit mask failed\n"); |
| 6255 | return -EOPNOTSUPP; |
| 6256 | } |
| 6257 | } |
| 6258 | |
| 6259 | if (!ipa3_bus_scale_table) |
| 6260 | ipa3_bus_scale_table = msm_bus_cl_get_pdata(pdev_p); |
| 6261 | /* Proceed to real initialization */ |
| 6262 | result = ipa3_pre_init(&ipa3_res, dev); |
| 6263 | if (result) { |
| 6264 | IPAERR("ipa3_init failed\n"); |
| 6265 | return result; |
| 6266 | } |
| 6267 | } |
| 6268 | |
Ghanim Fodi | 115bf8a | 2017-04-21 01:36:06 -0700 | [diff] [blame] | 6269 | result = of_platform_populate(pdev_p->dev.of_node, |
| 6270 | pdrv_match, NULL, &pdev_p->dev); |
| 6271 | if (result) { |
| 6272 | IPAERR("failed to populate platform\n"); |
| 6273 | return result; |
| 6274 | } |
| 6275 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6276 | return result; |
| 6277 | } |
| 6278 | |
| 6279 | /** |
| 6280 | * ipa3_ap_suspend() - suspend callback for runtime_pm |
| 6281 | * @dev: pointer to device |
| 6282 | * |
| 6283 | * This callback will be invoked by the runtime_pm framework when an AP suspend |
| 6284 | * operation is invoked, usually by pressing a suspend button. |
| 6285 | * |
| 6286 | * Returns -EAGAIN to runtime_pm framework in case IPA is in use by AP. |
| 6287 | * This will postpone the suspend operation until IPA is no longer used by AP. |
| 6288 | */ |
| 6289 | int ipa3_ap_suspend(struct device *dev) |
| 6290 | { |
| 6291 | int i; |
| 6292 | |
| 6293 | IPADBG("Enter...\n"); |
| 6294 | |
| 6295 | /* In case there is a tx/rx handler in polling mode fail to suspend */ |
| 6296 | for (i = 0; i < ipa3_ctx->ipa_num_pipes; i++) { |
| 6297 | if (ipa3_ctx->ep[i].sys && |
| 6298 | atomic_read(&ipa3_ctx->ep[i].sys->curr_polling_state)) { |
| 6299 | IPAERR("EP %d is in polling state, do not suspend\n", |
| 6300 | i); |
| 6301 | return -EAGAIN; |
| 6302 | } |
| 6303 | } |
| 6304 | |
Michael Adisumarta | 3e35081 | 2017-09-18 14:54:36 -0700 | [diff] [blame] | 6305 | if (ipa3_ctx->use_ipa_pm) { |
| 6306 | ipa_pm_deactivate_all_deferred(); |
| 6307 | } else { |
| 6308 | /* |
| 6309 | * Release transport IPA resource without waiting |
| 6310 | * for inactivity timer |
| 6311 | */ |
| 6312 | atomic_set(&ipa3_ctx->transport_pm.eot_activity, 0); |
| 6313 | ipa3_transport_release_resource(NULL); |
| 6314 | } |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6315 | IPADBG("Exit\n"); |
| 6316 | |
| 6317 | return 0; |
| 6318 | } |
| 6319 | |
| 6320 | /** |
| 6321 | * ipa3_ap_resume() - resume callback for runtime_pm |
| 6322 | * @dev: pointer to device |
| 6323 | * |
| 6324 | * This callback will be invoked by the runtime_pm framework when an AP resume |
| 6325 | * operation is invoked. |
| 6326 | * |
| 6327 | * Always returns 0 since resume should always succeed. |
| 6328 | */ |
| 6329 | int ipa3_ap_resume(struct device *dev) |
| 6330 | { |
| 6331 | return 0; |
| 6332 | } |
| 6333 | |
| 6334 | struct ipa3_context *ipa3_get_ctx(void) |
| 6335 | { |
| 6336 | return ipa3_ctx; |
| 6337 | } |
| 6338 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6339 | static void ipa_gsi_notify_cb(struct gsi_per_notify *notify) |
| 6340 | { |
| 6341 | switch (notify->evt_id) { |
| 6342 | case GSI_PER_EVT_GLOB_ERROR: |
| 6343 | IPAERR("Got GSI_PER_EVT_GLOB_ERROR\n"); |
| 6344 | IPAERR("Err_desc = 0x%04x\n", notify->data.err_desc); |
| 6345 | break; |
| 6346 | case GSI_PER_EVT_GLOB_GP1: |
| 6347 | IPAERR("Got GSI_PER_EVT_GLOB_GP1\n"); |
| 6348 | BUG(); |
| 6349 | break; |
| 6350 | case GSI_PER_EVT_GLOB_GP2: |
| 6351 | IPAERR("Got GSI_PER_EVT_GLOB_GP2\n"); |
| 6352 | BUG(); |
| 6353 | break; |
| 6354 | case GSI_PER_EVT_GLOB_GP3: |
| 6355 | IPAERR("Got GSI_PER_EVT_GLOB_GP3\n"); |
| 6356 | BUG(); |
| 6357 | break; |
| 6358 | case GSI_PER_EVT_GENERAL_BREAK_POINT: |
| 6359 | IPAERR("Got GSI_PER_EVT_GENERAL_BREAK_POINT\n"); |
| 6360 | break; |
| 6361 | case GSI_PER_EVT_GENERAL_BUS_ERROR: |
| 6362 | IPAERR("Got GSI_PER_EVT_GENERAL_BUS_ERROR\n"); |
| 6363 | BUG(); |
| 6364 | break; |
| 6365 | case GSI_PER_EVT_GENERAL_CMD_FIFO_OVERFLOW: |
| 6366 | IPAERR("Got GSI_PER_EVT_GENERAL_CMD_FIFO_OVERFLOW\n"); |
| 6367 | BUG(); |
| 6368 | break; |
| 6369 | case GSI_PER_EVT_GENERAL_MCS_STACK_OVERFLOW: |
| 6370 | IPAERR("Got GSI_PER_EVT_GENERAL_MCS_STACK_OVERFLOW\n"); |
| 6371 | BUG(); |
| 6372 | break; |
| 6373 | default: |
| 6374 | IPAERR("Received unexpected evt: %d\n", |
| 6375 | notify->evt_id); |
| 6376 | BUG(); |
| 6377 | } |
| 6378 | } |
| 6379 | |
| 6380 | int ipa3_register_ipa_ready_cb(void (*ipa_ready_cb)(void *), void *user_data) |
| 6381 | { |
| 6382 | struct ipa3_ready_cb_info *cb_info = NULL; |
| 6383 | |
| 6384 | /* check ipa3_ctx existed or not */ |
| 6385 | if (!ipa3_ctx) { |
| 6386 | IPADBG("IPA driver haven't initialized\n"); |
| 6387 | return -ENXIO; |
| 6388 | } |
| 6389 | mutex_lock(&ipa3_ctx->lock); |
| 6390 | if (ipa3_ctx->ipa_initialization_complete) { |
| 6391 | mutex_unlock(&ipa3_ctx->lock); |
| 6392 | IPADBG("IPA driver finished initialization already\n"); |
| 6393 | return -EEXIST; |
| 6394 | } |
| 6395 | |
| 6396 | cb_info = kmalloc(sizeof(struct ipa3_ready_cb_info), GFP_KERNEL); |
| 6397 | if (!cb_info) { |
| 6398 | mutex_unlock(&ipa3_ctx->lock); |
| 6399 | return -ENOMEM; |
| 6400 | } |
| 6401 | |
| 6402 | cb_info->ready_cb = ipa_ready_cb; |
| 6403 | cb_info->user_data = user_data; |
| 6404 | |
| 6405 | list_add_tail(&cb_info->link, &ipa3_ctx->ipa_ready_cb_list); |
| 6406 | mutex_unlock(&ipa3_ctx->lock); |
| 6407 | |
| 6408 | return 0; |
| 6409 | } |
| 6410 | |
| 6411 | int ipa3_iommu_map(struct iommu_domain *domain, |
| 6412 | unsigned long iova, phys_addr_t paddr, size_t size, int prot) |
| 6413 | { |
| 6414 | struct ipa_smmu_cb_ctx *ap_cb = ipa3_get_smmu_ctx(); |
| 6415 | struct ipa_smmu_cb_ctx *uc_cb = ipa3_get_uc_smmu_ctx(); |
| 6416 | |
| 6417 | IPADBG("domain =0x%p iova 0x%lx\n", domain, iova); |
| 6418 | IPADBG("paddr =0x%pa size 0x%x\n", &paddr, (u32)size); |
| 6419 | |
| 6420 | /* make sure no overlapping */ |
| 6421 | if (domain == ipa3_get_smmu_domain()) { |
| 6422 | if (iova >= ap_cb->va_start && iova < ap_cb->va_end) { |
| 6423 | IPAERR("iommu AP overlap addr 0x%lx\n", iova); |
| 6424 | ipa_assert(); |
| 6425 | return -EFAULT; |
| 6426 | } |
| 6427 | } else if (domain == ipa3_get_wlan_smmu_domain()) { |
| 6428 | /* wlan is one time map */ |
| 6429 | } else if (domain == ipa3_get_uc_smmu_domain()) { |
| 6430 | if (iova >= uc_cb->va_start && iova < uc_cb->va_end) { |
| 6431 | IPAERR("iommu uC overlap addr 0x%lx\n", iova); |
| 6432 | ipa_assert(); |
| 6433 | return -EFAULT; |
| 6434 | } |
| 6435 | } else { |
| 6436 | IPAERR("Unexpected domain 0x%p\n", domain); |
| 6437 | ipa_assert(); |
| 6438 | return -EFAULT; |
| 6439 | } |
| 6440 | |
| 6441 | return iommu_map(domain, iova, paddr, size, prot); |
| 6442 | } |
| 6443 | |
Michael Adisumarta | d04e6d6 | 2017-11-09 17:46:35 -0800 | [diff] [blame] | 6444 | /** |
| 6445 | * ipa3_get_smmu_params()- Return the ipa3 smmu related params. |
| 6446 | */ |
| 6447 | int ipa3_get_smmu_params(struct ipa_smmu_in_params *in, |
| 6448 | struct ipa_smmu_out_params *out) |
| 6449 | { |
| 6450 | bool is_smmu_enable = 0; |
| 6451 | |
| 6452 | if (out == NULL || in == NULL) { |
| 6453 | IPAERR("bad parms for Client SMMU out params\n"); |
| 6454 | return -EINVAL; |
| 6455 | } |
| 6456 | |
| 6457 | if (!ipa3_ctx) { |
| 6458 | IPAERR("IPA not yet initialized\n"); |
| 6459 | return -EINVAL; |
| 6460 | } |
| 6461 | |
| 6462 | switch (in->smmu_client) { |
| 6463 | case IPA_SMMU_WLAN_CLIENT: |
| 6464 | is_smmu_enable = !(ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_UC] | |
| 6465 | ipa3_ctx->s1_bypass_arr[IPA_SMMU_CB_WLAN]); |
| 6466 | break; |
| 6467 | default: |
| 6468 | is_smmu_enable = 0; |
| 6469 | IPAERR("Trying to get illegal clients SMMU status"); |
| 6470 | return -EINVAL; |
| 6471 | } |
| 6472 | |
| 6473 | out->smmu_enable = is_smmu_enable; |
| 6474 | |
| 6475 | return 0; |
| 6476 | } |
| 6477 | |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 6478 | MODULE_LICENSE("GPL v2"); |
| 6479 | MODULE_DESCRIPTION("IPA HW device driver"); |