Skylar Chang | 4d6a8fe | 2017-03-16 16:55:57 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2015-2017, The Linux Foundation. All rights reserved. |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [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 | #ifdef CONFIG_DEBUG_FS |
| 13 | |
| 14 | #include <linux/completion.h> |
| 15 | #include <linux/debugfs.h> |
| 16 | #include <linux/dma-mapping.h> |
| 17 | #include <linux/random.h> |
| 18 | #include <linux/uaccess.h> |
| 19 | #include <linux/msm_gsi.h> |
| 20 | #include "gsi_reg.h" |
| 21 | #include "gsi.h" |
| 22 | |
| 23 | #define TERR(fmt, args...) \ |
| 24 | pr_err("%s:%d " fmt, __func__, __LINE__, ## args) |
| 25 | #define TDBG(fmt, args...) \ |
| 26 | pr_debug("%s:%d " fmt, __func__, __LINE__, ## args) |
| 27 | #define PRT_STAT(fmt, args...) \ |
| 28 | pr_err(fmt, ## args) |
| 29 | |
| 30 | static struct dentry *dent; |
| 31 | static char dbg_buff[4096]; |
Skylar Chang | a3298c3 | 2017-04-20 10:25:43 -0700 | [diff] [blame] | 32 | static void *gsi_ipc_logbuf_low; |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 33 | |
| 34 | static void gsi_wq_print_dp_stats(struct work_struct *work); |
| 35 | static DECLARE_DELAYED_WORK(gsi_print_dp_stats_work, gsi_wq_print_dp_stats); |
| 36 | static void gsi_wq_update_dp_stats(struct work_struct *work); |
| 37 | static DECLARE_DELAYED_WORK(gsi_update_dp_stats_work, gsi_wq_update_dp_stats); |
| 38 | |
| 39 | static ssize_t gsi_dump_evt(struct file *file, |
| 40 | const char __user *buf, size_t count, loff_t *ppos) |
| 41 | { |
| 42 | u32 arg1; |
| 43 | u32 arg2; |
| 44 | unsigned long missing; |
| 45 | char *sptr, *token; |
| 46 | uint32_t val; |
| 47 | struct gsi_evt_ctx *ctx; |
| 48 | uint16_t i; |
| 49 | |
| 50 | if (sizeof(dbg_buff) < count + 1) |
| 51 | return -EFAULT; |
| 52 | |
| 53 | missing = copy_from_user(dbg_buff, buf, count); |
| 54 | if (missing) |
| 55 | return -EFAULT; |
| 56 | |
| 57 | dbg_buff[count] = '\0'; |
| 58 | |
| 59 | sptr = dbg_buff; |
| 60 | |
| 61 | token = strsep(&sptr, " "); |
| 62 | if (!token) |
| 63 | return -EINVAL; |
| 64 | if (kstrtou32(token, 0, &arg1)) |
| 65 | return -EINVAL; |
| 66 | |
| 67 | token = strsep(&sptr, " "); |
| 68 | if (!token) |
| 69 | return -EINVAL; |
| 70 | if (kstrtou32(token, 0, &arg2)) |
| 71 | return -EINVAL; |
| 72 | |
| 73 | TDBG("arg1=%u arg2=%u\n", arg1, arg2); |
| 74 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 75 | if (arg1 >= gsi_ctx->max_ev) { |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 76 | TERR("invalid evt ring id %u\n", arg1); |
| 77 | return -EFAULT; |
| 78 | } |
| 79 | |
| 80 | val = gsi_readl(gsi_ctx->base + |
| 81 | GSI_EE_n_EV_CH_k_CNTXT_0_OFFS(arg1, gsi_ctx->per.ee)); |
| 82 | TERR("EV%2d CTX0 0x%x\n", arg1, val); |
| 83 | val = gsi_readl(gsi_ctx->base + |
| 84 | GSI_EE_n_EV_CH_k_CNTXT_1_OFFS(arg1, gsi_ctx->per.ee)); |
| 85 | TERR("EV%2d CTX1 0x%x\n", arg1, val); |
| 86 | val = gsi_readl(gsi_ctx->base + |
| 87 | GSI_EE_n_EV_CH_k_CNTXT_2_OFFS(arg1, gsi_ctx->per.ee)); |
| 88 | TERR("EV%2d CTX2 0x%x\n", arg1, val); |
| 89 | val = gsi_readl(gsi_ctx->base + |
| 90 | GSI_EE_n_EV_CH_k_CNTXT_3_OFFS(arg1, gsi_ctx->per.ee)); |
| 91 | TERR("EV%2d CTX3 0x%x\n", arg1, val); |
| 92 | val = gsi_readl(gsi_ctx->base + |
| 93 | GSI_EE_n_EV_CH_k_CNTXT_4_OFFS(arg1, gsi_ctx->per.ee)); |
| 94 | TERR("EV%2d CTX4 0x%x\n", arg1, val); |
| 95 | val = gsi_readl(gsi_ctx->base + |
| 96 | GSI_EE_n_EV_CH_k_CNTXT_5_OFFS(arg1, gsi_ctx->per.ee)); |
| 97 | TERR("EV%2d CTX5 0x%x\n", arg1, val); |
| 98 | val = gsi_readl(gsi_ctx->base + |
| 99 | GSI_EE_n_EV_CH_k_CNTXT_6_OFFS(arg1, gsi_ctx->per.ee)); |
| 100 | TERR("EV%2d CTX6 0x%x\n", arg1, val); |
| 101 | val = gsi_readl(gsi_ctx->base + |
| 102 | GSI_EE_n_EV_CH_k_CNTXT_7_OFFS(arg1, gsi_ctx->per.ee)); |
| 103 | TERR("EV%2d CTX7 0x%x\n", arg1, val); |
| 104 | val = gsi_readl(gsi_ctx->base + |
| 105 | GSI_EE_n_EV_CH_k_CNTXT_8_OFFS(arg1, gsi_ctx->per.ee)); |
| 106 | TERR("EV%2d CTX8 0x%x\n", arg1, val); |
| 107 | val = gsi_readl(gsi_ctx->base + |
| 108 | GSI_EE_n_EV_CH_k_CNTXT_9_OFFS(arg1, gsi_ctx->per.ee)); |
| 109 | TERR("EV%2d CTX9 0x%x\n", arg1, val); |
| 110 | val = gsi_readl(gsi_ctx->base + |
| 111 | GSI_EE_n_EV_CH_k_CNTXT_10_OFFS(arg1, gsi_ctx->per.ee)); |
| 112 | TERR("EV%2d CTX10 0x%x\n", arg1, val); |
| 113 | val = gsi_readl(gsi_ctx->base + |
| 114 | GSI_EE_n_EV_CH_k_CNTXT_11_OFFS(arg1, gsi_ctx->per.ee)); |
| 115 | TERR("EV%2d CTX11 0x%x\n", arg1, val); |
| 116 | val = gsi_readl(gsi_ctx->base + |
| 117 | GSI_EE_n_EV_CH_k_CNTXT_12_OFFS(arg1, gsi_ctx->per.ee)); |
| 118 | TERR("EV%2d CTX12 0x%x\n", arg1, val); |
| 119 | val = gsi_readl(gsi_ctx->base + |
| 120 | GSI_EE_n_EV_CH_k_CNTXT_13_OFFS(arg1, gsi_ctx->per.ee)); |
| 121 | TERR("EV%2d CTX13 0x%x\n", arg1, val); |
| 122 | val = gsi_readl(gsi_ctx->base + |
| 123 | GSI_EE_n_EV_CH_k_SCRATCH_0_OFFS(arg1, gsi_ctx->per.ee)); |
| 124 | TERR("EV%2d SCR0 0x%x\n", arg1, val); |
| 125 | val = gsi_readl(gsi_ctx->base + |
| 126 | GSI_EE_n_EV_CH_k_SCRATCH_1_OFFS(arg1, gsi_ctx->per.ee)); |
| 127 | TERR("EV%2d SCR1 0x%x\n", arg1, val); |
| 128 | |
| 129 | if (arg2) { |
| 130 | ctx = &gsi_ctx->evtr[arg1]; |
| 131 | |
| 132 | if (ctx->props.ring_base_vaddr) { |
| 133 | for (i = 0; i < ctx->props.ring_len / 16; i++) |
| 134 | TERR("EV%2d (0x%08llx) %08x %08x %08x %08x\n", |
| 135 | arg1, ctx->props.ring_base_addr + i * 16, |
| 136 | *(u32 *)((u8 *)ctx->props.ring_base_vaddr + |
| 137 | i * 16 + 0), |
| 138 | *(u32 *)((u8 *)ctx->props.ring_base_vaddr + |
| 139 | i * 16 + 4), |
| 140 | *(u32 *)((u8 *)ctx->props.ring_base_vaddr + |
| 141 | i * 16 + 8), |
| 142 | *(u32 *)((u8 *)ctx->props.ring_base_vaddr + |
| 143 | i * 16 + 12)); |
| 144 | } else { |
| 145 | TERR("No VA supplied for event ring id %u\n", arg1); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | return count; |
| 150 | } |
| 151 | |
| 152 | static ssize_t gsi_dump_ch(struct file *file, |
| 153 | const char __user *buf, size_t count, loff_t *ppos) |
| 154 | { |
| 155 | u32 arg1; |
| 156 | u32 arg2; |
| 157 | unsigned long missing; |
| 158 | char *sptr, *token; |
| 159 | uint32_t val; |
| 160 | struct gsi_chan_ctx *ctx; |
| 161 | uint16_t i; |
| 162 | |
| 163 | if (sizeof(dbg_buff) < count + 1) |
| 164 | return -EFAULT; |
| 165 | |
| 166 | missing = copy_from_user(dbg_buff, buf, count); |
| 167 | if (missing) |
| 168 | return -EFAULT; |
| 169 | |
| 170 | dbg_buff[count] = '\0'; |
| 171 | |
| 172 | sptr = dbg_buff; |
| 173 | |
| 174 | token = strsep(&sptr, " "); |
| 175 | if (!token) |
| 176 | return -EINVAL; |
| 177 | if (kstrtou32(token, 0, &arg1)) |
| 178 | return -EINVAL; |
| 179 | |
| 180 | token = strsep(&sptr, " "); |
| 181 | if (!token) |
| 182 | return -EINVAL; |
| 183 | if (kstrtou32(token, 0, &arg2)) |
| 184 | return -EINVAL; |
| 185 | |
| 186 | TDBG("arg1=%u arg2=%u\n", arg1, arg2); |
| 187 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 188 | if (arg1 >= gsi_ctx->max_ch) { |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 189 | TERR("invalid chan id %u\n", arg1); |
| 190 | return -EFAULT; |
| 191 | } |
| 192 | |
| 193 | val = gsi_readl(gsi_ctx->base + |
| 194 | GSI_EE_n_GSI_CH_k_CNTXT_0_OFFS(arg1, gsi_ctx->per.ee)); |
| 195 | TERR("CH%2d CTX0 0x%x\n", arg1, val); |
| 196 | val = gsi_readl(gsi_ctx->base + |
| 197 | GSI_EE_n_GSI_CH_k_CNTXT_1_OFFS(arg1, gsi_ctx->per.ee)); |
| 198 | TERR("CH%2d CTX1 0x%x\n", arg1, val); |
| 199 | val = gsi_readl(gsi_ctx->base + |
| 200 | GSI_EE_n_GSI_CH_k_CNTXT_2_OFFS(arg1, gsi_ctx->per.ee)); |
| 201 | TERR("CH%2d CTX2 0x%x\n", arg1, val); |
| 202 | val = gsi_readl(gsi_ctx->base + |
| 203 | GSI_EE_n_GSI_CH_k_CNTXT_3_OFFS(arg1, gsi_ctx->per.ee)); |
| 204 | TERR("CH%2d CTX3 0x%x\n", arg1, val); |
| 205 | val = gsi_readl(gsi_ctx->base + |
| 206 | GSI_EE_n_GSI_CH_k_CNTXT_4_OFFS(arg1, gsi_ctx->per.ee)); |
| 207 | TERR("CH%2d CTX4 0x%x\n", arg1, val); |
| 208 | val = gsi_readl(gsi_ctx->base + |
| 209 | GSI_EE_n_GSI_CH_k_CNTXT_5_OFFS(arg1, gsi_ctx->per.ee)); |
| 210 | TERR("CH%2d CTX5 0x%x\n", arg1, val); |
| 211 | val = gsi_readl(gsi_ctx->base + |
| 212 | GSI_EE_n_GSI_CH_k_CNTXT_6_OFFS(arg1, gsi_ctx->per.ee)); |
| 213 | TERR("CH%2d CTX6 0x%x\n", arg1, val); |
| 214 | val = gsi_readl(gsi_ctx->base + |
| 215 | GSI_EE_n_GSI_CH_k_CNTXT_7_OFFS(arg1, gsi_ctx->per.ee)); |
| 216 | TERR("CH%2d CTX7 0x%x\n", arg1, val); |
| 217 | val = gsi_readl(gsi_ctx->base + |
| 218 | GSI_EE_n_GSI_CH_k_RE_FETCH_READ_PTR_OFFS(arg1, |
| 219 | gsi_ctx->per.ee)); |
| 220 | TERR("CH%2d REFRP 0x%x\n", arg1, val); |
| 221 | val = gsi_readl(gsi_ctx->base + |
| 222 | GSI_EE_n_GSI_CH_k_RE_FETCH_WRITE_PTR_OFFS(arg1, |
| 223 | gsi_ctx->per.ee)); |
| 224 | TERR("CH%2d REFWP 0x%x\n", arg1, val); |
| 225 | val = gsi_readl(gsi_ctx->base + |
| 226 | GSI_EE_n_GSI_CH_k_QOS_OFFS(arg1, gsi_ctx->per.ee)); |
| 227 | TERR("CH%2d QOS 0x%x\n", arg1, val); |
| 228 | val = gsi_readl(gsi_ctx->base + |
| 229 | GSI_EE_n_GSI_CH_k_SCRATCH_0_OFFS(arg1, gsi_ctx->per.ee)); |
| 230 | TERR("CH%2d SCR0 0x%x\n", arg1, val); |
| 231 | val = gsi_readl(gsi_ctx->base + |
| 232 | GSI_EE_n_GSI_CH_k_SCRATCH_1_OFFS(arg1, gsi_ctx->per.ee)); |
| 233 | TERR("CH%2d SCR1 0x%x\n", arg1, val); |
| 234 | val = gsi_readl(gsi_ctx->base + |
| 235 | GSI_EE_n_GSI_CH_k_SCRATCH_2_OFFS(arg1, gsi_ctx->per.ee)); |
| 236 | TERR("CH%2d SCR2 0x%x\n", arg1, val); |
| 237 | val = gsi_readl(gsi_ctx->base + |
| 238 | GSI_EE_n_GSI_CH_k_SCRATCH_3_OFFS(arg1, gsi_ctx->per.ee)); |
| 239 | TERR("CH%2d SCR3 0x%x\n", arg1, val); |
| 240 | |
| 241 | if (arg2) { |
| 242 | ctx = &gsi_ctx->chan[arg1]; |
| 243 | |
| 244 | if (ctx->props.ring_base_vaddr) { |
| 245 | for (i = 0; i < ctx->props.ring_len / 16; i++) |
| 246 | TERR("CH%2d (0x%08llx) %08x %08x %08x %08x\n", |
| 247 | arg1, ctx->props.ring_base_addr + i * 16, |
| 248 | *(u32 *)((u8 *)ctx->props.ring_base_vaddr + |
| 249 | i * 16 + 0), |
| 250 | *(u32 *)((u8 *)ctx->props.ring_base_vaddr + |
| 251 | i * 16 + 4), |
| 252 | *(u32 *)((u8 *)ctx->props.ring_base_vaddr + |
| 253 | i * 16 + 8), |
| 254 | *(u32 *)((u8 *)ctx->props.ring_base_vaddr + |
| 255 | i * 16 + 12)); |
| 256 | } else { |
| 257 | TERR("No VA supplied for chan id %u\n", arg1); |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | return count; |
| 262 | } |
| 263 | |
| 264 | static ssize_t gsi_dump_ee(struct file *file, |
| 265 | const char __user *buf, size_t count, loff_t *ppos) |
| 266 | { |
| 267 | uint32_t val; |
| 268 | |
| 269 | val = gsi_readl(gsi_ctx->base + |
| 270 | GSI_GSI_MANAGER_EE_QOS_n_OFFS(gsi_ctx->per.ee)); |
| 271 | TERR("EE%2d QOS 0x%x\n", gsi_ctx->per.ee, val); |
| 272 | val = gsi_readl(gsi_ctx->base + |
| 273 | GSI_EE_n_GSI_STATUS_OFFS(gsi_ctx->per.ee)); |
| 274 | TERR("EE%2d STATUS 0x%x\n", gsi_ctx->per.ee, val); |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 275 | if (gsi_ctx->per.ver == GSI_VER_1_0) { |
| 276 | val = gsi_readl(gsi_ctx->base + |
| 277 | GSI_V1_0_EE_n_GSI_HW_PARAM_OFFS(gsi_ctx->per.ee)); |
| 278 | TERR("EE%2d HW_PARAM 0x%x\n", gsi_ctx->per.ee, val); |
| 279 | } else if (gsi_ctx->per.ver == GSI_VER_1_2) { |
| 280 | val = gsi_readl(gsi_ctx->base + |
| 281 | GSI_V1_2_EE_n_GSI_HW_PARAM_0_OFFS(gsi_ctx->per.ee)); |
| 282 | TERR("EE%2d HW_PARAM_0 0x%x\n", gsi_ctx->per.ee, val); |
| 283 | val = gsi_readl(gsi_ctx->base + |
| 284 | GSI_V1_2_EE_n_GSI_HW_PARAM_1_OFFS(gsi_ctx->per.ee)); |
| 285 | TERR("EE%2d HW_PARAM_1 0x%x\n", gsi_ctx->per.ee, val); |
| 286 | } else if (gsi_ctx->per.ver == GSI_VER_1_3) { |
| 287 | val = gsi_readl(gsi_ctx->base + |
| 288 | GSI_V1_3_EE_n_GSI_HW_PARAM_0_OFFS(gsi_ctx->per.ee)); |
| 289 | TERR("EE%2d HW_PARAM_0 0x%x\n", gsi_ctx->per.ee, val); |
| 290 | val = gsi_readl(gsi_ctx->base + |
| 291 | GSI_V1_3_EE_n_GSI_HW_PARAM_1_OFFS(gsi_ctx->per.ee)); |
| 292 | TERR("EE%2d HW_PARAM_1 0x%x\n", gsi_ctx->per.ee, val); |
| 293 | val = gsi_readl(gsi_ctx->base + |
| 294 | GSI_V1_3_EE_n_GSI_HW_PARAM_2_OFFS(gsi_ctx->per.ee)); |
| 295 | TERR("EE%2d HW_PARAM_2 0x%x\n", gsi_ctx->per.ee, val); |
Michael Adisumarta | 8522e21 | 2017-05-15 11:59:42 -0700 | [diff] [blame] | 296 | } else if (gsi_ctx->per.ver == GSI_VER_2_0) { |
| 297 | val = gsi_readl(gsi_ctx->base + |
| 298 | GSI_V1_3_EE_n_GSI_HW_PARAM_0_OFFS(gsi_ctx->per.ee)); |
| 299 | TERR("EE%2d HW_PARAM_0 0x%x\n", gsi_ctx->per.ee, val); |
| 300 | val = gsi_readl(gsi_ctx->base + |
| 301 | GSI_V1_3_EE_n_GSI_HW_PARAM_1_OFFS(gsi_ctx->per.ee)); |
| 302 | TERR("EE%2d HW_PARAM_1 0x%x\n", gsi_ctx->per.ee, val); |
| 303 | val = gsi_readl(gsi_ctx->base + |
| 304 | GSI_V2_0_EE_n_GSI_HW_PARAM_2_OFFS(gsi_ctx->per.ee)); |
| 305 | TERR("EE%2d HW_PARAM_2 0x%x\n", gsi_ctx->per.ee, val); |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 306 | } else { |
| 307 | WARN_ON(1); |
| 308 | } |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 309 | val = gsi_readl(gsi_ctx->base + |
| 310 | GSI_EE_n_GSI_SW_VERSION_OFFS(gsi_ctx->per.ee)); |
| 311 | TERR("EE%2d SW_VERSION 0x%x\n", gsi_ctx->per.ee, val); |
| 312 | val = gsi_readl(gsi_ctx->base + |
| 313 | GSI_EE_n_GSI_MCS_CODE_VER_OFFS(gsi_ctx->per.ee)); |
| 314 | TERR("EE%2d MCS_CODE_VER 0x%x\n", gsi_ctx->per.ee, val); |
| 315 | val = gsi_readl(gsi_ctx->base + |
| 316 | GSI_EE_n_CNTXT_TYPE_IRQ_MSK_OFFS(gsi_ctx->per.ee)); |
| 317 | TERR("EE%2d TYPE_IRQ_MSK 0x%x\n", gsi_ctx->per.ee, val); |
| 318 | val = gsi_readl(gsi_ctx->base + |
| 319 | GSI_EE_n_CNTXT_SRC_GSI_CH_IRQ_MSK_OFFS(gsi_ctx->per.ee)); |
| 320 | TERR("EE%2d CH_IRQ_MSK 0x%x\n", gsi_ctx->per.ee, val); |
| 321 | val = gsi_readl(gsi_ctx->base + |
| 322 | GSI_EE_n_CNTXT_SRC_EV_CH_IRQ_MSK_OFFS(gsi_ctx->per.ee)); |
| 323 | TERR("EE%2d EV_IRQ_MSK 0x%x\n", gsi_ctx->per.ee, val); |
| 324 | val = gsi_readl(gsi_ctx->base + |
| 325 | GSI_EE_n_CNTXT_SRC_IEOB_IRQ_MSK_OFFS(gsi_ctx->per.ee)); |
| 326 | TERR("EE%2d IEOB_IRQ_MSK 0x%x\n", gsi_ctx->per.ee, val); |
| 327 | val = gsi_readl(gsi_ctx->base + |
| 328 | GSI_EE_n_CNTXT_GLOB_IRQ_EN_OFFS(gsi_ctx->per.ee)); |
| 329 | TERR("EE%2d GLOB_IRQ_EN 0x%x\n", gsi_ctx->per.ee, val); |
| 330 | val = gsi_readl(gsi_ctx->base + |
| 331 | GSI_EE_n_CNTXT_GSI_IRQ_EN_OFFS(gsi_ctx->per.ee)); |
| 332 | TERR("EE%2d GSI_IRQ_EN 0x%x\n", gsi_ctx->per.ee, val); |
| 333 | val = gsi_readl(gsi_ctx->base + |
| 334 | GSI_EE_n_CNTXT_INTSET_OFFS(gsi_ctx->per.ee)); |
| 335 | TERR("EE%2d INTSET 0x%x\n", gsi_ctx->per.ee, val); |
| 336 | val = gsi_readl(gsi_ctx->base + |
| 337 | GSI_EE_n_CNTXT_MSI_BASE_LSB_OFFS(gsi_ctx->per.ee)); |
| 338 | TERR("EE%2d MSI_BASE_LSB 0x%x\n", gsi_ctx->per.ee, val); |
| 339 | val = gsi_readl(gsi_ctx->base + |
| 340 | GSI_EE_n_CNTXT_MSI_BASE_MSB_OFFS(gsi_ctx->per.ee)); |
| 341 | TERR("EE%2d MSI_BASE_MSB 0x%x\n", gsi_ctx->per.ee, val); |
| 342 | val = gsi_readl(gsi_ctx->base + |
| 343 | GSI_EE_n_CNTXT_INT_VEC_OFFS(gsi_ctx->per.ee)); |
| 344 | TERR("EE%2d INT_VEC 0x%x\n", gsi_ctx->per.ee, val); |
| 345 | val = gsi_readl(gsi_ctx->base + |
| 346 | GSI_EE_n_CNTXT_SCRATCH_0_OFFS(gsi_ctx->per.ee)); |
| 347 | TERR("EE%2d SCR0 0x%x\n", gsi_ctx->per.ee, val); |
| 348 | val = gsi_readl(gsi_ctx->base + |
| 349 | GSI_EE_n_CNTXT_SCRATCH_1_OFFS(gsi_ctx->per.ee)); |
| 350 | TERR("EE%2d SCR1 0x%x\n", gsi_ctx->per.ee, val); |
| 351 | |
| 352 | return count; |
| 353 | } |
| 354 | |
| 355 | static ssize_t gsi_dump_map(struct file *file, |
| 356 | const char __user *buf, size_t count, loff_t *ppos) |
| 357 | { |
| 358 | struct gsi_chan_ctx *ctx; |
| 359 | uint32_t val1; |
| 360 | uint32_t val2; |
| 361 | int i; |
| 362 | |
| 363 | TERR("EVT bitmap 0x%lx\n", gsi_ctx->evt_bmap); |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 364 | for (i = 0; i < gsi_ctx->max_ch; i++) { |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 365 | ctx = &gsi_ctx->chan[i]; |
| 366 | |
| 367 | if (ctx->allocated) { |
| 368 | TERR("VIRT CH%2d -> VIRT EV%2d\n", ctx->props.ch_id, |
| 369 | ctx->evtr ? ctx->evtr->id : GSI_NO_EVT_ERINDEX); |
| 370 | val1 = gsi_readl(gsi_ctx->base + |
| 371 | GSI_GSI_DEBUG_EE_n_CH_k_VP_TABLE_OFFS(i, |
| 372 | gsi_ctx->per.ee)); |
| 373 | TERR("VIRT CH%2d -> PHYS CH%2d\n", ctx->props.ch_id, |
| 374 | val1 & |
| 375 | GSI_GSI_DEBUG_EE_n_CH_k_VP_TABLE_PHY_CH_BMSK); |
| 376 | if (ctx->evtr) { |
| 377 | val2 = gsi_readl(gsi_ctx->base + |
| 378 | GSI_GSI_DEBUG_EE_n_EV_k_VP_TABLE_OFFS( |
| 379 | ctx->evtr->id, gsi_ctx->per.ee)); |
| 380 | TERR("VRT EV%2d -> PHYS EV%2d\n", ctx->evtr->id, |
| 381 | val2 & |
| 382 | GSI_GSI_DEBUG_EE_n_CH_k_VP_TABLE_PHY_CH_BMSK); |
| 383 | } |
| 384 | TERR("\n"); |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | return count; |
| 389 | } |
| 390 | |
| 391 | static void gsi_dump_ch_stats(struct gsi_chan_ctx *ctx) |
| 392 | { |
| 393 | if (!ctx->allocated) |
| 394 | return; |
| 395 | |
| 396 | PRT_STAT("CH%2d:\n", ctx->props.ch_id); |
| 397 | PRT_STAT("queued=%lu compl=%lu\n", |
| 398 | ctx->stats.queued, |
| 399 | ctx->stats.completed); |
| 400 | PRT_STAT("cb->poll=%lu poll->cb=%lu\n", |
| 401 | ctx->stats.callback_to_poll, |
| 402 | ctx->stats.poll_to_callback); |
| 403 | PRT_STAT("invalid_tre_error=%lu\n", |
| 404 | ctx->stats.invalid_tre_error); |
| 405 | PRT_STAT("poll_ok=%lu poll_empty=%lu\n", |
| 406 | ctx->stats.poll_ok, ctx->stats.poll_empty); |
| 407 | if (ctx->evtr) |
| 408 | PRT_STAT("compl_evt=%lu\n", |
| 409 | ctx->evtr->stats.completed); |
| 410 | |
| 411 | PRT_STAT("ch_below_lo=%lu\n", ctx->stats.dp.ch_below_lo); |
| 412 | PRT_STAT("ch_below_hi=%lu\n", ctx->stats.dp.ch_below_hi); |
| 413 | PRT_STAT("ch_above_hi=%lu\n", ctx->stats.dp.ch_above_hi); |
| 414 | PRT_STAT("time_empty=%lums\n", ctx->stats.dp.empty_time); |
| 415 | PRT_STAT("\n"); |
| 416 | } |
| 417 | |
| 418 | static ssize_t gsi_dump_stats(struct file *file, |
| 419 | const char __user *buf, size_t count, loff_t *ppos) |
| 420 | { |
| 421 | int ch_id; |
| 422 | int min, max; |
| 423 | |
| 424 | if (sizeof(dbg_buff) < count + 1) |
| 425 | goto error; |
| 426 | |
| 427 | if (copy_from_user(dbg_buff, buf, count)) |
| 428 | goto error; |
| 429 | |
| 430 | dbg_buff[count] = '\0'; |
| 431 | |
| 432 | if (kstrtos32(dbg_buff, 0, &ch_id)) |
| 433 | goto error; |
| 434 | |
| 435 | if (ch_id == -1) { |
| 436 | min = 0; |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 437 | max = gsi_ctx->max_ch; |
| 438 | } else if (ch_id < 0 || ch_id >= gsi_ctx->max_ch || |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 439 | !gsi_ctx->chan[ch_id].allocated) { |
| 440 | goto error; |
| 441 | } else { |
| 442 | min = ch_id; |
| 443 | max = ch_id + 1; |
| 444 | } |
| 445 | |
| 446 | for (ch_id = min; ch_id < max; ch_id++) |
| 447 | gsi_dump_ch_stats(&gsi_ctx->chan[ch_id]); |
| 448 | |
| 449 | return count; |
| 450 | error: |
| 451 | TERR("Usage: echo ch_id > stats. Use -1 for all\n"); |
| 452 | return -EFAULT; |
| 453 | } |
| 454 | |
| 455 | static int gsi_dbg_create_stats_wq(void) |
| 456 | { |
| 457 | gsi_ctx->dp_stat_wq = |
| 458 | create_singlethread_workqueue("gsi_stat"); |
| 459 | if (!gsi_ctx->dp_stat_wq) { |
| 460 | TERR("failed create workqueue\n"); |
| 461 | return -ENOMEM; |
| 462 | } |
| 463 | |
| 464 | return 0; |
| 465 | } |
| 466 | |
| 467 | static void gsi_dbg_destroy_stats_wq(void) |
| 468 | { |
| 469 | cancel_delayed_work_sync(&gsi_update_dp_stats_work); |
| 470 | cancel_delayed_work_sync(&gsi_print_dp_stats_work); |
| 471 | flush_workqueue(gsi_ctx->dp_stat_wq); |
| 472 | destroy_workqueue(gsi_ctx->dp_stat_wq); |
| 473 | gsi_ctx->dp_stat_wq = NULL; |
| 474 | } |
| 475 | |
| 476 | static ssize_t gsi_enable_dp_stats(struct file *file, |
| 477 | const char __user *buf, size_t count, loff_t *ppos) |
| 478 | { |
| 479 | int ch_id; |
| 480 | bool enable; |
| 481 | int ret; |
| 482 | |
| 483 | if (sizeof(dbg_buff) < count + 1) |
| 484 | goto error; |
| 485 | |
| 486 | if (copy_from_user(dbg_buff, buf, count)) |
| 487 | goto error; |
| 488 | |
| 489 | dbg_buff[count] = '\0'; |
| 490 | |
| 491 | if (dbg_buff[0] != '+' && dbg_buff[0] != '-') |
| 492 | goto error; |
| 493 | |
| 494 | enable = (dbg_buff[0] == '+'); |
| 495 | |
| 496 | if (kstrtos32(dbg_buff + 1, 0, &ch_id)) |
| 497 | goto error; |
| 498 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 499 | if (ch_id < 0 || ch_id >= gsi_ctx->max_ch || |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 500 | !gsi_ctx->chan[ch_id].allocated) { |
| 501 | goto error; |
| 502 | } |
| 503 | |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 504 | if (gsi_ctx->chan[ch_id].enable_dp_stats == enable) { |
| 505 | TERR("ch_%d: already enabled/disabled\n", ch_id); |
| 506 | return -EFAULT; |
| 507 | } |
| 508 | gsi_ctx->chan[ch_id].enable_dp_stats = enable; |
| 509 | |
| 510 | if (enable) |
| 511 | gsi_ctx->num_ch_dp_stats++; |
| 512 | else |
| 513 | gsi_ctx->num_ch_dp_stats--; |
| 514 | |
| 515 | if (enable) { |
| 516 | if (gsi_ctx->num_ch_dp_stats == 1) { |
| 517 | ret = gsi_dbg_create_stats_wq(); |
| 518 | if (ret) |
| 519 | return ret; |
| 520 | } |
| 521 | cancel_delayed_work_sync(&gsi_update_dp_stats_work); |
| 522 | queue_delayed_work(gsi_ctx->dp_stat_wq, |
| 523 | &gsi_update_dp_stats_work, msecs_to_jiffies(10)); |
| 524 | } else if (!enable && gsi_ctx->num_ch_dp_stats == 0) { |
| 525 | gsi_dbg_destroy_stats_wq(); |
| 526 | } |
| 527 | |
| 528 | return count; |
| 529 | error: |
| 530 | TERR("Usage: echo [+-]ch_id > enable_dp_stats\n"); |
| 531 | return -EFAULT; |
| 532 | } |
| 533 | |
| 534 | static ssize_t gsi_set_max_elem_dp_stats(struct file *file, |
| 535 | const char __user *buf, size_t count, loff_t *ppos) |
| 536 | { |
| 537 | u32 ch_id; |
| 538 | u32 max_elem; |
| 539 | unsigned long missing; |
| 540 | char *sptr, *token; |
| 541 | |
| 542 | |
| 543 | if (sizeof(dbg_buff) < count + 1) |
| 544 | goto error; |
| 545 | |
| 546 | missing = copy_from_user(dbg_buff, buf, count); |
| 547 | if (missing) |
| 548 | goto error; |
| 549 | |
| 550 | dbg_buff[count] = '\0'; |
| 551 | |
| 552 | sptr = dbg_buff; |
| 553 | |
| 554 | token = strsep(&sptr, " "); |
| 555 | if (!token) { |
| 556 | TERR("\n"); |
| 557 | goto error; |
| 558 | } |
| 559 | |
| 560 | if (kstrtou32(token, 0, &ch_id)) { |
| 561 | TERR("\n"); |
| 562 | goto error; |
| 563 | } |
| 564 | |
| 565 | token = strsep(&sptr, " "); |
| 566 | if (!token) { |
| 567 | /* get */ |
| 568 | if (kstrtou32(dbg_buff, 0, &ch_id)) |
| 569 | goto error; |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 570 | if (ch_id >= gsi_ctx->max_ch) |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 571 | goto error; |
| 572 | PRT_STAT("ch %d: max_re_expected=%d\n", ch_id, |
| 573 | gsi_ctx->chan[ch_id].props.max_re_expected); |
| 574 | return count; |
| 575 | } |
| 576 | if (kstrtou32(token, 0, &max_elem)) { |
| 577 | TERR("\n"); |
| 578 | goto error; |
| 579 | } |
| 580 | |
| 581 | TDBG("ch_id=%u max_elem=%u\n", ch_id, max_elem); |
| 582 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 583 | if (ch_id >= gsi_ctx->max_ch) { |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 584 | TERR("invalid chan id %u\n", ch_id); |
| 585 | goto error; |
| 586 | } |
| 587 | |
| 588 | gsi_ctx->chan[ch_id].props.max_re_expected = max_elem; |
| 589 | |
| 590 | return count; |
| 591 | |
| 592 | error: |
| 593 | TERR("Usage: (set) echo <ch_id> <max_elem> > max_elem_dp_stats\n"); |
| 594 | TERR("Usage: (get) echo <ch_id> > max_elem_dp_stats\n"); |
| 595 | return -EFAULT; |
| 596 | } |
| 597 | |
| 598 | static void gsi_wq_print_dp_stats(struct work_struct *work) |
| 599 | { |
| 600 | int ch_id; |
| 601 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 602 | for (ch_id = 0; ch_id < gsi_ctx->max_ch; ch_id++) { |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 603 | if (gsi_ctx->chan[ch_id].print_dp_stats) |
| 604 | gsi_dump_ch_stats(&gsi_ctx->chan[ch_id]); |
| 605 | } |
| 606 | |
| 607 | queue_delayed_work(gsi_ctx->dp_stat_wq, &gsi_print_dp_stats_work, |
| 608 | msecs_to_jiffies(1000)); |
| 609 | } |
| 610 | |
| 611 | static void gsi_dbg_update_ch_dp_stats(struct gsi_chan_ctx *ctx) |
| 612 | { |
| 613 | uint16_t start_hw; |
| 614 | uint16_t end_hw; |
| 615 | uint64_t rp_hw; |
| 616 | uint64_t wp_hw; |
| 617 | int ee = gsi_ctx->per.ee; |
| 618 | uint16_t used_hw; |
| 619 | |
| 620 | rp_hw = gsi_readl(gsi_ctx->base + |
| 621 | GSI_EE_n_GSI_CH_k_CNTXT_4_OFFS(ctx->props.ch_id, ee)); |
| 622 | rp_hw |= ((uint64_t)gsi_readl(gsi_ctx->base + |
| 623 | GSI_EE_n_GSI_CH_k_CNTXT_5_OFFS(ctx->props.ch_id, ee))) |
| 624 | << 32; |
| 625 | |
| 626 | wp_hw = gsi_readl(gsi_ctx->base + |
| 627 | GSI_EE_n_GSI_CH_k_CNTXT_6_OFFS(ctx->props.ch_id, ee)); |
| 628 | wp_hw |= ((uint64_t)gsi_readl(gsi_ctx->base + |
| 629 | GSI_EE_n_GSI_CH_k_CNTXT_7_OFFS(ctx->props.ch_id, ee))) |
| 630 | << 32; |
| 631 | |
| 632 | start_hw = gsi_find_idx_from_addr(&ctx->ring, rp_hw); |
| 633 | end_hw = gsi_find_idx_from_addr(&ctx->ring, wp_hw); |
| 634 | |
| 635 | if (end_hw >= start_hw) |
| 636 | used_hw = end_hw - start_hw; |
| 637 | else |
| 638 | used_hw = ctx->ring.max_num_elem + 1 - (start_hw - end_hw); |
| 639 | |
Skylar Chang | 8568eb9 | 2017-03-21 17:18:51 -0700 | [diff] [blame] | 640 | TDBG("ch %d used %d\n", ctx->props.ch_id, used_hw); |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 641 | gsi_update_ch_dp_stats(ctx, used_hw); |
| 642 | } |
| 643 | |
| 644 | static void gsi_wq_update_dp_stats(struct work_struct *work) |
| 645 | { |
| 646 | int ch_id; |
| 647 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 648 | for (ch_id = 0; ch_id < gsi_ctx->max_ch; ch_id++) { |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 649 | if (gsi_ctx->chan[ch_id].allocated && |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 650 | gsi_ctx->chan[ch_id].enable_dp_stats) |
| 651 | gsi_dbg_update_ch_dp_stats(&gsi_ctx->chan[ch_id]); |
| 652 | } |
| 653 | |
| 654 | queue_delayed_work(gsi_ctx->dp_stat_wq, &gsi_update_dp_stats_work, |
| 655 | msecs_to_jiffies(10)); |
| 656 | } |
| 657 | |
| 658 | |
| 659 | static ssize_t gsi_rst_stats(struct file *file, |
| 660 | const char __user *buf, size_t count, loff_t *ppos) |
| 661 | { |
| 662 | int ch_id; |
| 663 | int min, max; |
| 664 | |
| 665 | if (sizeof(dbg_buff) < count + 1) |
| 666 | goto error; |
| 667 | |
| 668 | if (copy_from_user(dbg_buff, buf, count)) |
| 669 | goto error; |
| 670 | |
| 671 | dbg_buff[count] = '\0'; |
| 672 | |
| 673 | if (kstrtos32(dbg_buff, 0, &ch_id)) |
| 674 | goto error; |
| 675 | |
| 676 | if (ch_id == -1) { |
| 677 | min = 0; |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 678 | max = gsi_ctx->max_ch; |
| 679 | } else if (ch_id < 0 || ch_id >= gsi_ctx->max_ch || |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 680 | !gsi_ctx->chan[ch_id].allocated) { |
| 681 | goto error; |
| 682 | } else { |
| 683 | min = ch_id; |
| 684 | max = ch_id + 1; |
| 685 | } |
| 686 | |
| 687 | for (ch_id = min; ch_id < max; ch_id++) |
| 688 | memset(&gsi_ctx->chan[ch_id].stats, 0, |
| 689 | sizeof(gsi_ctx->chan[ch_id].stats)); |
| 690 | |
| 691 | return count; |
| 692 | error: |
| 693 | TERR("Usage: echo ch_id > rst_stats. Use -1 for all\n"); |
| 694 | return -EFAULT; |
| 695 | } |
| 696 | |
| 697 | static ssize_t gsi_print_dp_stats(struct file *file, |
| 698 | const char __user *buf, size_t count, loff_t *ppos) |
| 699 | { |
| 700 | int ch_id; |
| 701 | bool enable; |
| 702 | int ret; |
| 703 | |
| 704 | if (sizeof(dbg_buff) < count + 1) |
| 705 | goto error; |
| 706 | |
| 707 | if (copy_from_user(dbg_buff, buf, count)) |
| 708 | goto error; |
| 709 | |
| 710 | dbg_buff[count] = '\0'; |
| 711 | |
| 712 | if (dbg_buff[0] != '+' && dbg_buff[0] != '-') |
| 713 | goto error; |
| 714 | |
| 715 | enable = (dbg_buff[0] == '+'); |
| 716 | |
| 717 | if (kstrtos32(dbg_buff + 1, 0, &ch_id)) |
| 718 | goto error; |
| 719 | |
Amir Levy | 4164424 | 2016-11-03 15:38:09 +0200 | [diff] [blame] | 720 | if (ch_id < 0 || ch_id >= gsi_ctx->max_ch || |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 721 | !gsi_ctx->chan[ch_id].allocated) { |
| 722 | goto error; |
| 723 | } |
| 724 | |
| 725 | if (gsi_ctx->chan[ch_id].print_dp_stats == enable) { |
| 726 | TERR("ch_%d: already enabled/disabled\n", ch_id); |
| 727 | return -EFAULT; |
| 728 | } |
| 729 | gsi_ctx->chan[ch_id].print_dp_stats = enable; |
| 730 | |
| 731 | if (enable) |
| 732 | gsi_ctx->num_ch_dp_stats++; |
| 733 | else |
| 734 | gsi_ctx->num_ch_dp_stats--; |
| 735 | |
| 736 | if (enable) { |
| 737 | if (gsi_ctx->num_ch_dp_stats == 1) { |
| 738 | ret = gsi_dbg_create_stats_wq(); |
| 739 | if (ret) |
| 740 | return ret; |
| 741 | } |
| 742 | cancel_delayed_work_sync(&gsi_print_dp_stats_work); |
| 743 | queue_delayed_work(gsi_ctx->dp_stat_wq, |
| 744 | &gsi_print_dp_stats_work, msecs_to_jiffies(10)); |
| 745 | } else if (!enable && gsi_ctx->num_ch_dp_stats == 0) { |
| 746 | gsi_dbg_destroy_stats_wq(); |
| 747 | } |
| 748 | |
| 749 | return count; |
| 750 | error: |
| 751 | TERR("Usage: echo [+-]ch_id > print_dp_stats\n"); |
| 752 | return -EFAULT; |
| 753 | } |
| 754 | |
Skylar Chang | 4d6a8fe | 2017-03-16 16:55:57 -0700 | [diff] [blame] | 755 | static ssize_t gsi_enable_ipc_low(struct file *file, |
| 756 | const char __user *ubuf, size_t count, loff_t *ppos) |
| 757 | { |
| 758 | unsigned long missing; |
| 759 | s8 option = 0; |
| 760 | |
| 761 | if (sizeof(dbg_buff) < count + 1) |
| 762 | return -EFAULT; |
| 763 | |
| 764 | missing = copy_from_user(dbg_buff, ubuf, count); |
| 765 | if (missing) |
| 766 | return -EFAULT; |
| 767 | |
| 768 | dbg_buff[count] = '\0'; |
| 769 | if (kstrtos8(dbg_buff, 0, &option)) |
| 770 | return -EFAULT; |
| 771 | |
Skylar Chang | a3298c3 | 2017-04-20 10:25:43 -0700 | [diff] [blame] | 772 | mutex_lock(&gsi_ctx->mlock); |
Skylar Chang | 4d6a8fe | 2017-03-16 16:55:57 -0700 | [diff] [blame] | 773 | if (option) { |
Skylar Chang | a3298c3 | 2017-04-20 10:25:43 -0700 | [diff] [blame] | 774 | if (!gsi_ipc_logbuf_low) { |
| 775 | gsi_ipc_logbuf_low = |
Skylar Chang | 4d6a8fe | 2017-03-16 16:55:57 -0700 | [diff] [blame] | 776 | ipc_log_context_create(GSI_IPC_LOG_PAGES, |
| 777 | "gsi_low", 0); |
Skylar Chang | a3298c3 | 2017-04-20 10:25:43 -0700 | [diff] [blame] | 778 | if (gsi_ipc_logbuf_low == NULL) |
| 779 | TERR("failed to get ipc_logbuf_low\n"); |
Skylar Chang | 4d6a8fe | 2017-03-16 16:55:57 -0700 | [diff] [blame] | 780 | } |
Skylar Chang | a3298c3 | 2017-04-20 10:25:43 -0700 | [diff] [blame] | 781 | gsi_ctx->ipc_logbuf_low = gsi_ipc_logbuf_low; |
Skylar Chang | 4d6a8fe | 2017-03-16 16:55:57 -0700 | [diff] [blame] | 782 | } else { |
Skylar Chang | 4d6a8fe | 2017-03-16 16:55:57 -0700 | [diff] [blame] | 783 | gsi_ctx->ipc_logbuf_low = NULL; |
| 784 | } |
Skylar Chang | a3298c3 | 2017-04-20 10:25:43 -0700 | [diff] [blame] | 785 | mutex_unlock(&gsi_ctx->mlock); |
Skylar Chang | 4d6a8fe | 2017-03-16 16:55:57 -0700 | [diff] [blame] | 786 | |
| 787 | return count; |
| 788 | } |
| 789 | |
| 790 | |
| 791 | |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 792 | const struct file_operations gsi_ev_dump_ops = { |
| 793 | .write = gsi_dump_evt, |
| 794 | }; |
| 795 | |
| 796 | const struct file_operations gsi_ch_dump_ops = { |
| 797 | .write = gsi_dump_ch, |
| 798 | }; |
| 799 | |
| 800 | const struct file_operations gsi_ee_dump_ops = { |
| 801 | .write = gsi_dump_ee, |
| 802 | }; |
| 803 | |
| 804 | const struct file_operations gsi_map_ops = { |
| 805 | .write = gsi_dump_map, |
| 806 | }; |
| 807 | |
| 808 | const struct file_operations gsi_stats_ops = { |
| 809 | .write = gsi_dump_stats, |
| 810 | }; |
| 811 | |
| 812 | const struct file_operations gsi_enable_dp_stats_ops = { |
| 813 | .write = gsi_enable_dp_stats, |
| 814 | }; |
| 815 | |
| 816 | const struct file_operations gsi_max_elem_dp_stats_ops = { |
| 817 | .write = gsi_set_max_elem_dp_stats, |
| 818 | }; |
| 819 | |
| 820 | const struct file_operations gsi_rst_stats_ops = { |
| 821 | .write = gsi_rst_stats, |
| 822 | }; |
| 823 | |
| 824 | const struct file_operations gsi_print_dp_stats_ops = { |
| 825 | .write = gsi_print_dp_stats, |
| 826 | }; |
| 827 | |
Skylar Chang | 4d6a8fe | 2017-03-16 16:55:57 -0700 | [diff] [blame] | 828 | const struct file_operations gsi_ipc_low_ops = { |
| 829 | .write = gsi_enable_ipc_low, |
| 830 | }; |
| 831 | |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 832 | void gsi_debugfs_init(void) |
| 833 | { |
| 834 | static struct dentry *dfile; |
| 835 | const mode_t read_only_mode = S_IRUSR | S_IRGRP | S_IROTH; |
| 836 | const mode_t write_only_mode = S_IWUSR | S_IWGRP; |
| 837 | |
| 838 | dent = debugfs_create_dir("gsi", 0); |
| 839 | if (IS_ERR(dent)) { |
| 840 | TERR("fail to create dir\n"); |
| 841 | return; |
| 842 | } |
| 843 | |
| 844 | dfile = debugfs_create_file("ev_dump", write_only_mode, |
| 845 | dent, 0, &gsi_ev_dump_ops); |
| 846 | if (!dfile || IS_ERR(dfile)) { |
| 847 | TERR("fail to create ev_dump file\n"); |
| 848 | goto fail; |
| 849 | } |
| 850 | |
| 851 | dfile = debugfs_create_file("ch_dump", write_only_mode, |
| 852 | dent, 0, &gsi_ch_dump_ops); |
| 853 | if (!dfile || IS_ERR(dfile)) { |
| 854 | TERR("fail to create ch_dump file\n"); |
| 855 | goto fail; |
| 856 | } |
| 857 | |
| 858 | dfile = debugfs_create_file("ee_dump", read_only_mode, dent, |
| 859 | 0, &gsi_ee_dump_ops); |
| 860 | if (!dfile || IS_ERR(dfile)) { |
| 861 | TERR("fail to create ee_dump file\n"); |
| 862 | goto fail; |
| 863 | } |
| 864 | |
| 865 | dfile = debugfs_create_file("map", read_only_mode, dent, |
| 866 | 0, &gsi_map_ops); |
| 867 | if (!dfile || IS_ERR(dfile)) { |
| 868 | TERR("fail to create map file\n"); |
| 869 | goto fail; |
| 870 | } |
| 871 | |
| 872 | dfile = debugfs_create_file("stats", write_only_mode, dent, |
| 873 | 0, &gsi_stats_ops); |
| 874 | if (!dfile || IS_ERR(dfile)) { |
| 875 | TERR("fail to create stats file\n"); |
| 876 | goto fail; |
| 877 | } |
| 878 | |
| 879 | dfile = debugfs_create_file("enable_dp_stats", write_only_mode, dent, |
| 880 | 0, &gsi_enable_dp_stats_ops); |
| 881 | if (!dfile || IS_ERR(dfile)) { |
| 882 | TERR("fail to create stats file\n"); |
| 883 | goto fail; |
| 884 | } |
| 885 | |
| 886 | dfile = debugfs_create_file("max_elem_dp_stats", write_only_mode, |
| 887 | dent, 0, &gsi_max_elem_dp_stats_ops); |
| 888 | if (!dfile || IS_ERR(dfile)) { |
| 889 | TERR("fail to create stats file\n"); |
| 890 | goto fail; |
| 891 | } |
| 892 | |
| 893 | dfile = debugfs_create_file("rst_stats", write_only_mode, |
| 894 | dent, 0, &gsi_rst_stats_ops); |
| 895 | if (!dfile || IS_ERR(dfile)) { |
| 896 | TERR("fail to create stats file\n"); |
| 897 | goto fail; |
| 898 | } |
| 899 | |
| 900 | dfile = debugfs_create_file("print_dp_stats", |
| 901 | write_only_mode, dent, 0, &gsi_print_dp_stats_ops); |
| 902 | if (!dfile || IS_ERR(dfile)) { |
| 903 | TERR("fail to create stats file\n"); |
| 904 | goto fail; |
| 905 | } |
| 906 | |
Skylar Chang | 4d6a8fe | 2017-03-16 16:55:57 -0700 | [diff] [blame] | 907 | dfile = debugfs_create_file("ipc_low", write_only_mode, |
| 908 | dent, 0, &gsi_ipc_low_ops); |
| 909 | if (!dfile || IS_ERR(dfile)) { |
| 910 | TERR("could not create ipc_low\n"); |
| 911 | goto fail; |
| 912 | } |
| 913 | |
Amir Levy | cdccd63 | 2016-10-30 09:36:41 +0200 | [diff] [blame] | 914 | return; |
| 915 | fail: |
| 916 | debugfs_remove_recursive(dent); |
| 917 | } |
| 918 | #else |
| 919 | void gsi_debugfs_init(void) |
| 920 | { |
| 921 | } |
| 922 | #endif |