Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright(C) 2015 Linaro Limited. All rights reserved. |
| 3 | * Author: Mathieu Poirier <mathieu.poirier@linaro.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 as published by |
| 7 | * the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/pm_runtime.h> |
| 19 | #include <linux/sysfs.h> |
| 20 | #include "coresight-etm.h" |
Mathieu Poirier | 2b7adc4 | 2016-08-25 15:19:11 -0600 | [diff] [blame] | 21 | #include "coresight-priv.h" |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 22 | |
| 23 | static ssize_t nr_addr_cmp_show(struct device *dev, |
| 24 | struct device_attribute *attr, char *buf) |
| 25 | { |
| 26 | unsigned long val; |
| 27 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 28 | |
| 29 | val = drvdata->nr_addr_cmp; |
| 30 | return sprintf(buf, "%#lx\n", val); |
| 31 | } |
| 32 | static DEVICE_ATTR_RO(nr_addr_cmp); |
| 33 | |
| 34 | static ssize_t nr_cntr_show(struct device *dev, |
| 35 | struct device_attribute *attr, char *buf) |
| 36 | { unsigned long val; |
| 37 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 38 | |
| 39 | val = drvdata->nr_cntr; |
| 40 | return sprintf(buf, "%#lx\n", val); |
| 41 | } |
| 42 | static DEVICE_ATTR_RO(nr_cntr); |
| 43 | |
| 44 | static ssize_t nr_ctxid_cmp_show(struct device *dev, |
| 45 | struct device_attribute *attr, char *buf) |
| 46 | { |
| 47 | unsigned long val; |
| 48 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 49 | |
| 50 | val = drvdata->nr_ctxid_cmp; |
| 51 | return sprintf(buf, "%#lx\n", val); |
| 52 | } |
| 53 | static DEVICE_ATTR_RO(nr_ctxid_cmp); |
| 54 | |
| 55 | static ssize_t etmsr_show(struct device *dev, |
| 56 | struct device_attribute *attr, char *buf) |
| 57 | { |
| 58 | unsigned long flags, val; |
| 59 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 60 | |
| 61 | pm_runtime_get_sync(drvdata->dev); |
| 62 | spin_lock_irqsave(&drvdata->spinlock, flags); |
| 63 | CS_UNLOCK(drvdata->base); |
| 64 | |
| 65 | val = etm_readl(drvdata, ETMSR); |
| 66 | |
| 67 | CS_LOCK(drvdata->base); |
| 68 | spin_unlock_irqrestore(&drvdata->spinlock, flags); |
| 69 | pm_runtime_put(drvdata->dev); |
| 70 | |
| 71 | return sprintf(buf, "%#lx\n", val); |
| 72 | } |
| 73 | static DEVICE_ATTR_RO(etmsr); |
| 74 | |
| 75 | static ssize_t reset_store(struct device *dev, |
| 76 | struct device_attribute *attr, |
| 77 | const char *buf, size_t size) |
| 78 | { |
| 79 | int i, ret; |
| 80 | unsigned long val; |
| 81 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 82 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 83 | |
| 84 | ret = kstrtoul(buf, 16, &val); |
| 85 | if (ret) |
| 86 | return ret; |
| 87 | |
| 88 | if (val) { |
| 89 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 90 | memset(config, 0, sizeof(struct etm_config)); |
| 91 | config->mode = ETM_MODE_EXCLUDE; |
| 92 | config->trigger_event = ETM_DEFAULT_EVENT_VAL; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 93 | for (i = 0; i < drvdata->nr_addr_cmp; i++) { |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 94 | config->addr_type[i] = ETM_ADDR_TYPE_NONE; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 95 | } |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 96 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 97 | etm_set_default(config); |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 98 | spin_unlock(&drvdata->spinlock); |
| 99 | } |
| 100 | |
| 101 | return size; |
| 102 | } |
| 103 | static DEVICE_ATTR_WO(reset); |
| 104 | |
| 105 | static ssize_t mode_show(struct device *dev, |
| 106 | struct device_attribute *attr, char *buf) |
| 107 | { |
| 108 | unsigned long val; |
| 109 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 110 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 111 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 112 | val = config->mode; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 113 | return sprintf(buf, "%#lx\n", val); |
| 114 | } |
| 115 | |
| 116 | static ssize_t mode_store(struct device *dev, |
| 117 | struct device_attribute *attr, |
| 118 | const char *buf, size_t size) |
| 119 | { |
| 120 | int ret; |
| 121 | unsigned long val; |
| 122 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 123 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 124 | |
| 125 | ret = kstrtoul(buf, 16, &val); |
| 126 | if (ret) |
| 127 | return ret; |
| 128 | |
| 129 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 130 | config->mode = val & ETM_MODE_ALL; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 131 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 132 | if (config->mode & ETM_MODE_EXCLUDE) |
| 133 | config->enable_ctrl1 |= ETMTECR1_INC_EXC; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 134 | else |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 135 | config->enable_ctrl1 &= ~ETMTECR1_INC_EXC; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 136 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 137 | if (config->mode & ETM_MODE_CYCACC) |
| 138 | config->ctrl |= ETMCR_CYC_ACC; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 139 | else |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 140 | config->ctrl &= ~ETMCR_CYC_ACC; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 141 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 142 | if (config->mode & ETM_MODE_STALL) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 143 | if (!(drvdata->etmccr & ETMCCR_FIFOFULL)) { |
| 144 | dev_warn(drvdata->dev, "stall mode not supported\n"); |
| 145 | ret = -EINVAL; |
| 146 | goto err_unlock; |
| 147 | } |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 148 | config->ctrl |= ETMCR_STALL_MODE; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 149 | } else |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 150 | config->ctrl &= ~ETMCR_STALL_MODE; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 151 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 152 | if (config->mode & ETM_MODE_TIMESTAMP) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 153 | if (!(drvdata->etmccer & ETMCCER_TIMESTAMP)) { |
| 154 | dev_warn(drvdata->dev, "timestamp not supported\n"); |
| 155 | ret = -EINVAL; |
| 156 | goto err_unlock; |
| 157 | } |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 158 | config->ctrl |= ETMCR_TIMESTAMP_EN; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 159 | } else |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 160 | config->ctrl &= ~ETMCR_TIMESTAMP_EN; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 161 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 162 | if (config->mode & ETM_MODE_CTXID) |
| 163 | config->ctrl |= ETMCR_CTXID_SIZE; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 164 | else |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 165 | config->ctrl &= ~ETMCR_CTXID_SIZE; |
Mathieu Poirier | 2127154 | 2016-02-17 17:51:56 -0700 | [diff] [blame] | 166 | |
| 167 | if (config->mode & (ETM_MODE_EXCL_KERN | ETM_MODE_EXCL_USER)) |
| 168 | etm_config_trace_mode(config); |
| 169 | |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 170 | spin_unlock(&drvdata->spinlock); |
| 171 | |
| 172 | return size; |
| 173 | |
| 174 | err_unlock: |
| 175 | spin_unlock(&drvdata->spinlock); |
| 176 | return ret; |
| 177 | } |
| 178 | static DEVICE_ATTR_RW(mode); |
| 179 | |
| 180 | static ssize_t trigger_event_show(struct device *dev, |
| 181 | struct device_attribute *attr, char *buf) |
| 182 | { |
| 183 | unsigned long val; |
| 184 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 185 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 186 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 187 | val = config->trigger_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 188 | return sprintf(buf, "%#lx\n", val); |
| 189 | } |
| 190 | |
| 191 | static ssize_t trigger_event_store(struct device *dev, |
| 192 | struct device_attribute *attr, |
| 193 | const char *buf, size_t size) |
| 194 | { |
| 195 | int ret; |
| 196 | unsigned long val; |
| 197 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 198 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 199 | |
| 200 | ret = kstrtoul(buf, 16, &val); |
| 201 | if (ret) |
| 202 | return ret; |
| 203 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 204 | config->trigger_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 205 | |
| 206 | return size; |
| 207 | } |
| 208 | static DEVICE_ATTR_RW(trigger_event); |
| 209 | |
| 210 | static ssize_t enable_event_show(struct device *dev, |
| 211 | struct device_attribute *attr, char *buf) |
| 212 | { |
| 213 | unsigned long val; |
| 214 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 215 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 216 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 217 | val = config->enable_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 218 | return sprintf(buf, "%#lx\n", val); |
| 219 | } |
| 220 | |
| 221 | static ssize_t enable_event_store(struct device *dev, |
| 222 | struct device_attribute *attr, |
| 223 | const char *buf, size_t size) |
| 224 | { |
| 225 | int ret; |
| 226 | unsigned long val; |
| 227 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 228 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 229 | |
| 230 | ret = kstrtoul(buf, 16, &val); |
| 231 | if (ret) |
| 232 | return ret; |
| 233 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 234 | config->enable_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 235 | |
| 236 | return size; |
| 237 | } |
| 238 | static DEVICE_ATTR_RW(enable_event); |
| 239 | |
| 240 | static ssize_t fifofull_level_show(struct device *dev, |
| 241 | struct device_attribute *attr, char *buf) |
| 242 | { |
| 243 | unsigned long val; |
| 244 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 245 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 246 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 247 | val = config->fifofull_level; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 248 | return sprintf(buf, "%#lx\n", val); |
| 249 | } |
| 250 | |
| 251 | static ssize_t fifofull_level_store(struct device *dev, |
| 252 | struct device_attribute *attr, |
| 253 | const char *buf, size_t size) |
| 254 | { |
| 255 | int ret; |
| 256 | unsigned long val; |
| 257 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 258 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 259 | |
| 260 | ret = kstrtoul(buf, 16, &val); |
| 261 | if (ret) |
| 262 | return ret; |
| 263 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 264 | config->fifofull_level = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 265 | |
| 266 | return size; |
| 267 | } |
| 268 | static DEVICE_ATTR_RW(fifofull_level); |
| 269 | |
| 270 | static ssize_t addr_idx_show(struct device *dev, |
| 271 | struct device_attribute *attr, char *buf) |
| 272 | { |
| 273 | unsigned long val; |
| 274 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 275 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 276 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 277 | val = config->addr_idx; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 278 | return sprintf(buf, "%#lx\n", val); |
| 279 | } |
| 280 | |
| 281 | static ssize_t addr_idx_store(struct device *dev, |
| 282 | struct device_attribute *attr, |
| 283 | const char *buf, size_t size) |
| 284 | { |
| 285 | int ret; |
| 286 | unsigned long val; |
| 287 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 288 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 289 | |
| 290 | ret = kstrtoul(buf, 16, &val); |
| 291 | if (ret) |
| 292 | return ret; |
| 293 | |
| 294 | if (val >= drvdata->nr_addr_cmp) |
| 295 | return -EINVAL; |
| 296 | |
| 297 | /* |
| 298 | * Use spinlock to ensure index doesn't change while it gets |
| 299 | * dereferenced multiple times within a spinlock block elsewhere. |
| 300 | */ |
| 301 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 302 | config->addr_idx = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 303 | spin_unlock(&drvdata->spinlock); |
| 304 | |
| 305 | return size; |
| 306 | } |
| 307 | static DEVICE_ATTR_RW(addr_idx); |
| 308 | |
| 309 | static ssize_t addr_single_show(struct device *dev, |
| 310 | struct device_attribute *attr, char *buf) |
| 311 | { |
| 312 | u8 idx; |
| 313 | unsigned long val; |
| 314 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 315 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 316 | |
| 317 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 318 | idx = config->addr_idx; |
| 319 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 320 | config->addr_type[idx] == ETM_ADDR_TYPE_SINGLE)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 321 | spin_unlock(&drvdata->spinlock); |
| 322 | return -EINVAL; |
| 323 | } |
| 324 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 325 | val = config->addr_val[idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 326 | spin_unlock(&drvdata->spinlock); |
| 327 | |
| 328 | return sprintf(buf, "%#lx\n", val); |
| 329 | } |
| 330 | |
| 331 | static ssize_t addr_single_store(struct device *dev, |
| 332 | struct device_attribute *attr, |
| 333 | const char *buf, size_t size) |
| 334 | { |
| 335 | u8 idx; |
| 336 | int ret; |
| 337 | unsigned long val; |
| 338 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 339 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 340 | |
| 341 | ret = kstrtoul(buf, 16, &val); |
| 342 | if (ret) |
| 343 | return ret; |
| 344 | |
| 345 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 346 | idx = config->addr_idx; |
| 347 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 348 | config->addr_type[idx] == ETM_ADDR_TYPE_SINGLE)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 349 | spin_unlock(&drvdata->spinlock); |
| 350 | return -EINVAL; |
| 351 | } |
| 352 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 353 | config->addr_val[idx] = val; |
| 354 | config->addr_type[idx] = ETM_ADDR_TYPE_SINGLE; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 355 | spin_unlock(&drvdata->spinlock); |
| 356 | |
| 357 | return size; |
| 358 | } |
| 359 | static DEVICE_ATTR_RW(addr_single); |
| 360 | |
| 361 | static ssize_t addr_range_show(struct device *dev, |
| 362 | struct device_attribute *attr, char *buf) |
| 363 | { |
| 364 | u8 idx; |
| 365 | unsigned long val1, val2; |
| 366 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 367 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 368 | |
| 369 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 370 | idx = config->addr_idx; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 371 | if (idx % 2 != 0) { |
| 372 | spin_unlock(&drvdata->spinlock); |
| 373 | return -EPERM; |
| 374 | } |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 375 | if (!((config->addr_type[idx] == ETM_ADDR_TYPE_NONE && |
| 376 | config->addr_type[idx + 1] == ETM_ADDR_TYPE_NONE) || |
| 377 | (config->addr_type[idx] == ETM_ADDR_TYPE_RANGE && |
| 378 | config->addr_type[idx + 1] == ETM_ADDR_TYPE_RANGE))) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 379 | spin_unlock(&drvdata->spinlock); |
| 380 | return -EPERM; |
| 381 | } |
| 382 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 383 | val1 = config->addr_val[idx]; |
| 384 | val2 = config->addr_val[idx + 1]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 385 | spin_unlock(&drvdata->spinlock); |
| 386 | |
| 387 | return sprintf(buf, "%#lx %#lx\n", val1, val2); |
| 388 | } |
| 389 | |
| 390 | static ssize_t addr_range_store(struct device *dev, |
| 391 | struct device_attribute *attr, |
| 392 | const char *buf, size_t size) |
| 393 | { |
| 394 | u8 idx; |
| 395 | unsigned long val1, val2; |
| 396 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 397 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 398 | |
| 399 | if (sscanf(buf, "%lx %lx", &val1, &val2) != 2) |
| 400 | return -EINVAL; |
| 401 | /* Lower address comparator cannot have a higher address value */ |
| 402 | if (val1 > val2) |
| 403 | return -EINVAL; |
| 404 | |
| 405 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 406 | idx = config->addr_idx; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 407 | if (idx % 2 != 0) { |
| 408 | spin_unlock(&drvdata->spinlock); |
| 409 | return -EPERM; |
| 410 | } |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 411 | if (!((config->addr_type[idx] == ETM_ADDR_TYPE_NONE && |
| 412 | config->addr_type[idx + 1] == ETM_ADDR_TYPE_NONE) || |
| 413 | (config->addr_type[idx] == ETM_ADDR_TYPE_RANGE && |
| 414 | config->addr_type[idx + 1] == ETM_ADDR_TYPE_RANGE))) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 415 | spin_unlock(&drvdata->spinlock); |
| 416 | return -EPERM; |
| 417 | } |
| 418 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 419 | config->addr_val[idx] = val1; |
| 420 | config->addr_type[idx] = ETM_ADDR_TYPE_RANGE; |
| 421 | config->addr_val[idx + 1] = val2; |
| 422 | config->addr_type[idx + 1] = ETM_ADDR_TYPE_RANGE; |
| 423 | config->enable_ctrl1 |= (1 << (idx/2)); |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 424 | spin_unlock(&drvdata->spinlock); |
| 425 | |
| 426 | return size; |
| 427 | } |
| 428 | static DEVICE_ATTR_RW(addr_range); |
| 429 | |
| 430 | static ssize_t addr_start_show(struct device *dev, |
| 431 | struct device_attribute *attr, char *buf) |
| 432 | { |
| 433 | u8 idx; |
| 434 | unsigned long val; |
| 435 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 436 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 437 | |
| 438 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 439 | idx = config->addr_idx; |
| 440 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 441 | config->addr_type[idx] == ETM_ADDR_TYPE_START)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 442 | spin_unlock(&drvdata->spinlock); |
| 443 | return -EPERM; |
| 444 | } |
| 445 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 446 | val = config->addr_val[idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 447 | spin_unlock(&drvdata->spinlock); |
| 448 | |
| 449 | return sprintf(buf, "%#lx\n", val); |
| 450 | } |
| 451 | |
| 452 | static ssize_t addr_start_store(struct device *dev, |
| 453 | struct device_attribute *attr, |
| 454 | const char *buf, size_t size) |
| 455 | { |
| 456 | u8 idx; |
| 457 | int ret; |
| 458 | unsigned long val; |
| 459 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 460 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 461 | |
| 462 | ret = kstrtoul(buf, 16, &val); |
| 463 | if (ret) |
| 464 | return ret; |
| 465 | |
| 466 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 467 | idx = config->addr_idx; |
| 468 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 469 | config->addr_type[idx] == ETM_ADDR_TYPE_START)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 470 | spin_unlock(&drvdata->spinlock); |
| 471 | return -EPERM; |
| 472 | } |
| 473 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 474 | config->addr_val[idx] = val; |
| 475 | config->addr_type[idx] = ETM_ADDR_TYPE_START; |
| 476 | config->startstop_ctrl |= (1 << idx); |
| 477 | config->enable_ctrl1 |= BIT(25); |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 478 | spin_unlock(&drvdata->spinlock); |
| 479 | |
| 480 | return size; |
| 481 | } |
| 482 | static DEVICE_ATTR_RW(addr_start); |
| 483 | |
| 484 | static ssize_t addr_stop_show(struct device *dev, |
| 485 | struct device_attribute *attr, char *buf) |
| 486 | { |
| 487 | u8 idx; |
| 488 | unsigned long val; |
| 489 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 490 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 491 | |
| 492 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 493 | idx = config->addr_idx; |
| 494 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 495 | config->addr_type[idx] == ETM_ADDR_TYPE_STOP)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 496 | spin_unlock(&drvdata->spinlock); |
| 497 | return -EPERM; |
| 498 | } |
| 499 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 500 | val = config->addr_val[idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 501 | spin_unlock(&drvdata->spinlock); |
| 502 | |
| 503 | return sprintf(buf, "%#lx\n", val); |
| 504 | } |
| 505 | |
| 506 | static ssize_t addr_stop_store(struct device *dev, |
| 507 | struct device_attribute *attr, |
| 508 | const char *buf, size_t size) |
| 509 | { |
| 510 | u8 idx; |
| 511 | int ret; |
| 512 | unsigned long val; |
| 513 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 514 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 515 | |
| 516 | ret = kstrtoul(buf, 16, &val); |
| 517 | if (ret) |
| 518 | return ret; |
| 519 | |
| 520 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 521 | idx = config->addr_idx; |
| 522 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 523 | config->addr_type[idx] == ETM_ADDR_TYPE_STOP)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 524 | spin_unlock(&drvdata->spinlock); |
| 525 | return -EPERM; |
| 526 | } |
| 527 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 528 | config->addr_val[idx] = val; |
| 529 | config->addr_type[idx] = ETM_ADDR_TYPE_STOP; |
| 530 | config->startstop_ctrl |= (1 << (idx + 16)); |
| 531 | config->enable_ctrl1 |= ETMTECR1_START_STOP; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 532 | spin_unlock(&drvdata->spinlock); |
| 533 | |
| 534 | return size; |
| 535 | } |
| 536 | static DEVICE_ATTR_RW(addr_stop); |
| 537 | |
| 538 | static ssize_t addr_acctype_show(struct device *dev, |
| 539 | struct device_attribute *attr, char *buf) |
| 540 | { |
| 541 | unsigned long val; |
| 542 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 543 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 544 | |
| 545 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 546 | val = config->addr_acctype[config->addr_idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 547 | spin_unlock(&drvdata->spinlock); |
| 548 | |
| 549 | return sprintf(buf, "%#lx\n", val); |
| 550 | } |
| 551 | |
| 552 | static ssize_t addr_acctype_store(struct device *dev, |
| 553 | struct device_attribute *attr, |
| 554 | const char *buf, size_t size) |
| 555 | { |
| 556 | int ret; |
| 557 | unsigned long val; |
| 558 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 559 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 560 | |
| 561 | ret = kstrtoul(buf, 16, &val); |
| 562 | if (ret) |
| 563 | return ret; |
| 564 | |
| 565 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 566 | config->addr_acctype[config->addr_idx] = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 567 | spin_unlock(&drvdata->spinlock); |
| 568 | |
| 569 | return size; |
| 570 | } |
| 571 | static DEVICE_ATTR_RW(addr_acctype); |
| 572 | |
| 573 | static ssize_t cntr_idx_show(struct device *dev, |
| 574 | struct device_attribute *attr, char *buf) |
| 575 | { |
| 576 | unsigned long val; |
| 577 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 578 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 579 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 580 | val = config->cntr_idx; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 581 | return sprintf(buf, "%#lx\n", val); |
| 582 | } |
| 583 | |
| 584 | static ssize_t cntr_idx_store(struct device *dev, |
| 585 | struct device_attribute *attr, |
| 586 | const char *buf, size_t size) |
| 587 | { |
| 588 | int ret; |
| 589 | unsigned long val; |
| 590 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 591 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 592 | |
| 593 | ret = kstrtoul(buf, 16, &val); |
| 594 | if (ret) |
| 595 | return ret; |
| 596 | |
| 597 | if (val >= drvdata->nr_cntr) |
| 598 | return -EINVAL; |
| 599 | /* |
| 600 | * Use spinlock to ensure index doesn't change while it gets |
| 601 | * dereferenced multiple times within a spinlock block elsewhere. |
| 602 | */ |
| 603 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 604 | config->cntr_idx = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 605 | spin_unlock(&drvdata->spinlock); |
| 606 | |
| 607 | return size; |
| 608 | } |
| 609 | static DEVICE_ATTR_RW(cntr_idx); |
| 610 | |
| 611 | static ssize_t cntr_rld_val_show(struct device *dev, |
| 612 | struct device_attribute *attr, char *buf) |
| 613 | { |
| 614 | unsigned long val; |
| 615 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 616 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 617 | |
| 618 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 619 | val = config->cntr_rld_val[config->cntr_idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 620 | spin_unlock(&drvdata->spinlock); |
| 621 | |
| 622 | return sprintf(buf, "%#lx\n", val); |
| 623 | } |
| 624 | |
| 625 | static ssize_t cntr_rld_val_store(struct device *dev, |
| 626 | struct device_attribute *attr, |
| 627 | const char *buf, size_t size) |
| 628 | { |
| 629 | int ret; |
| 630 | unsigned long val; |
| 631 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 632 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 633 | |
| 634 | ret = kstrtoul(buf, 16, &val); |
| 635 | if (ret) |
| 636 | return ret; |
| 637 | |
| 638 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 639 | config->cntr_rld_val[config->cntr_idx] = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 640 | spin_unlock(&drvdata->spinlock); |
| 641 | |
| 642 | return size; |
| 643 | } |
| 644 | static DEVICE_ATTR_RW(cntr_rld_val); |
| 645 | |
| 646 | static ssize_t cntr_event_show(struct device *dev, |
| 647 | struct device_attribute *attr, char *buf) |
| 648 | { |
| 649 | unsigned long val; |
| 650 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 651 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 652 | |
| 653 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 654 | val = config->cntr_event[config->cntr_idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 655 | spin_unlock(&drvdata->spinlock); |
| 656 | |
| 657 | return sprintf(buf, "%#lx\n", val); |
| 658 | } |
| 659 | |
| 660 | static ssize_t cntr_event_store(struct device *dev, |
| 661 | struct device_attribute *attr, |
| 662 | const char *buf, size_t size) |
| 663 | { |
| 664 | int ret; |
| 665 | unsigned long val; |
| 666 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 667 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 668 | |
| 669 | ret = kstrtoul(buf, 16, &val); |
| 670 | if (ret) |
| 671 | return ret; |
| 672 | |
| 673 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 674 | config->cntr_event[config->cntr_idx] = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 675 | spin_unlock(&drvdata->spinlock); |
| 676 | |
| 677 | return size; |
| 678 | } |
| 679 | static DEVICE_ATTR_RW(cntr_event); |
| 680 | |
| 681 | static ssize_t cntr_rld_event_show(struct device *dev, |
| 682 | struct device_attribute *attr, char *buf) |
| 683 | { |
| 684 | unsigned long val; |
| 685 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 686 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 687 | |
| 688 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 689 | val = config->cntr_rld_event[config->cntr_idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 690 | spin_unlock(&drvdata->spinlock); |
| 691 | |
| 692 | return sprintf(buf, "%#lx\n", val); |
| 693 | } |
| 694 | |
| 695 | static ssize_t cntr_rld_event_store(struct device *dev, |
| 696 | struct device_attribute *attr, |
| 697 | const char *buf, size_t size) |
| 698 | { |
| 699 | int ret; |
| 700 | unsigned long val; |
| 701 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 702 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 703 | |
| 704 | ret = kstrtoul(buf, 16, &val); |
| 705 | if (ret) |
| 706 | return ret; |
| 707 | |
| 708 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 709 | config->cntr_rld_event[config->cntr_idx] = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 710 | spin_unlock(&drvdata->spinlock); |
| 711 | |
| 712 | return size; |
| 713 | } |
| 714 | static DEVICE_ATTR_RW(cntr_rld_event); |
| 715 | |
| 716 | static ssize_t cntr_val_show(struct device *dev, |
| 717 | struct device_attribute *attr, char *buf) |
| 718 | { |
| 719 | int i, ret = 0; |
| 720 | u32 val; |
| 721 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 722 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 723 | |
Mathieu Poirier | 22fd532 | 2016-02-17 17:51:52 -0700 | [diff] [blame] | 724 | if (!local_read(&drvdata->mode)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 725 | spin_lock(&drvdata->spinlock); |
| 726 | for (i = 0; i < drvdata->nr_cntr; i++) |
| 727 | ret += sprintf(buf, "counter %d: %x\n", |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 728 | i, config->cntr_val[i]); |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 729 | spin_unlock(&drvdata->spinlock); |
| 730 | return ret; |
| 731 | } |
| 732 | |
| 733 | for (i = 0; i < drvdata->nr_cntr; i++) { |
| 734 | val = etm_readl(drvdata, ETMCNTVRn(i)); |
| 735 | ret += sprintf(buf, "counter %d: %x\n", i, val); |
| 736 | } |
| 737 | |
| 738 | return ret; |
| 739 | } |
| 740 | |
| 741 | static ssize_t cntr_val_store(struct device *dev, |
| 742 | struct device_attribute *attr, |
| 743 | const char *buf, size_t size) |
| 744 | { |
| 745 | int ret; |
| 746 | unsigned long val; |
| 747 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 748 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 749 | |
| 750 | ret = kstrtoul(buf, 16, &val); |
| 751 | if (ret) |
| 752 | return ret; |
| 753 | |
| 754 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 755 | config->cntr_val[config->cntr_idx] = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 756 | spin_unlock(&drvdata->spinlock); |
| 757 | |
| 758 | return size; |
| 759 | } |
| 760 | static DEVICE_ATTR_RW(cntr_val); |
| 761 | |
| 762 | static ssize_t seq_12_event_show(struct device *dev, |
| 763 | struct device_attribute *attr, char *buf) |
| 764 | { |
| 765 | unsigned long val; |
| 766 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 767 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 768 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 769 | val = config->seq_12_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 770 | return sprintf(buf, "%#lx\n", val); |
| 771 | } |
| 772 | |
| 773 | static ssize_t seq_12_event_store(struct device *dev, |
| 774 | struct device_attribute *attr, |
| 775 | const char *buf, size_t size) |
| 776 | { |
| 777 | int ret; |
| 778 | unsigned long val; |
| 779 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 780 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 781 | |
| 782 | ret = kstrtoul(buf, 16, &val); |
| 783 | if (ret) |
| 784 | return ret; |
| 785 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 786 | config->seq_12_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 787 | return size; |
| 788 | } |
| 789 | static DEVICE_ATTR_RW(seq_12_event); |
| 790 | |
| 791 | static ssize_t seq_21_event_show(struct device *dev, |
| 792 | struct device_attribute *attr, char *buf) |
| 793 | { |
| 794 | unsigned long val; |
| 795 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 796 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 797 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 798 | val = config->seq_21_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 799 | return sprintf(buf, "%#lx\n", val); |
| 800 | } |
| 801 | |
| 802 | static ssize_t seq_21_event_store(struct device *dev, |
| 803 | struct device_attribute *attr, |
| 804 | const char *buf, size_t size) |
| 805 | { |
| 806 | int ret; |
| 807 | unsigned long val; |
| 808 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 809 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 810 | |
| 811 | ret = kstrtoul(buf, 16, &val); |
| 812 | if (ret) |
| 813 | return ret; |
| 814 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 815 | config->seq_21_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 816 | return size; |
| 817 | } |
| 818 | static DEVICE_ATTR_RW(seq_21_event); |
| 819 | |
| 820 | static ssize_t seq_23_event_show(struct device *dev, |
| 821 | struct device_attribute *attr, char *buf) |
| 822 | { |
| 823 | unsigned long val; |
| 824 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 825 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 826 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 827 | val = config->seq_23_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 828 | return sprintf(buf, "%#lx\n", val); |
| 829 | } |
| 830 | |
| 831 | static ssize_t seq_23_event_store(struct device *dev, |
| 832 | struct device_attribute *attr, |
| 833 | const char *buf, size_t size) |
| 834 | { |
| 835 | int ret; |
| 836 | unsigned long val; |
| 837 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 838 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 839 | |
| 840 | ret = kstrtoul(buf, 16, &val); |
| 841 | if (ret) |
| 842 | return ret; |
| 843 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 844 | config->seq_23_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 845 | return size; |
| 846 | } |
| 847 | static DEVICE_ATTR_RW(seq_23_event); |
| 848 | |
| 849 | static ssize_t seq_31_event_show(struct device *dev, |
| 850 | struct device_attribute *attr, char *buf) |
| 851 | { |
| 852 | unsigned long val; |
| 853 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 854 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 855 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 856 | val = config->seq_31_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 857 | return sprintf(buf, "%#lx\n", val); |
| 858 | } |
| 859 | |
| 860 | static ssize_t seq_31_event_store(struct device *dev, |
| 861 | struct device_attribute *attr, |
| 862 | const char *buf, size_t size) |
| 863 | { |
| 864 | int ret; |
| 865 | unsigned long val; |
| 866 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 867 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 868 | |
| 869 | ret = kstrtoul(buf, 16, &val); |
| 870 | if (ret) |
| 871 | return ret; |
| 872 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 873 | config->seq_31_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 874 | return size; |
| 875 | } |
| 876 | static DEVICE_ATTR_RW(seq_31_event); |
| 877 | |
| 878 | static ssize_t seq_32_event_show(struct device *dev, |
| 879 | struct device_attribute *attr, char *buf) |
| 880 | { |
| 881 | unsigned long val; |
| 882 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 883 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 884 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 885 | val = config->seq_32_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 886 | return sprintf(buf, "%#lx\n", val); |
| 887 | } |
| 888 | |
| 889 | static ssize_t seq_32_event_store(struct device *dev, |
| 890 | struct device_attribute *attr, |
| 891 | const char *buf, size_t size) |
| 892 | { |
| 893 | int ret; |
| 894 | unsigned long val; |
| 895 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 896 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 897 | |
| 898 | ret = kstrtoul(buf, 16, &val); |
| 899 | if (ret) |
| 900 | return ret; |
| 901 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 902 | config->seq_32_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 903 | return size; |
| 904 | } |
| 905 | static DEVICE_ATTR_RW(seq_32_event); |
| 906 | |
| 907 | static ssize_t seq_13_event_show(struct device *dev, |
| 908 | struct device_attribute *attr, char *buf) |
| 909 | { |
| 910 | unsigned long val; |
| 911 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 912 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 913 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 914 | val = config->seq_13_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 915 | return sprintf(buf, "%#lx\n", val); |
| 916 | } |
| 917 | |
| 918 | static ssize_t seq_13_event_store(struct device *dev, |
| 919 | struct device_attribute *attr, |
| 920 | const char *buf, size_t size) |
| 921 | { |
| 922 | int ret; |
| 923 | unsigned long val; |
| 924 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 925 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 926 | |
| 927 | ret = kstrtoul(buf, 16, &val); |
| 928 | if (ret) |
| 929 | return ret; |
| 930 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 931 | config->seq_13_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 932 | return size; |
| 933 | } |
| 934 | static DEVICE_ATTR_RW(seq_13_event); |
| 935 | |
| 936 | static ssize_t seq_curr_state_show(struct device *dev, |
| 937 | struct device_attribute *attr, char *buf) |
| 938 | { |
| 939 | unsigned long val, flags; |
| 940 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 941 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 942 | |
Mathieu Poirier | 22fd532 | 2016-02-17 17:51:52 -0700 | [diff] [blame] | 943 | if (!local_read(&drvdata->mode)) { |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 944 | val = config->seq_curr_state; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 945 | goto out; |
| 946 | } |
| 947 | |
| 948 | pm_runtime_get_sync(drvdata->dev); |
| 949 | spin_lock_irqsave(&drvdata->spinlock, flags); |
| 950 | |
| 951 | CS_UNLOCK(drvdata->base); |
| 952 | val = (etm_readl(drvdata, ETMSQR) & ETM_SQR_MASK); |
| 953 | CS_LOCK(drvdata->base); |
| 954 | |
| 955 | spin_unlock_irqrestore(&drvdata->spinlock, flags); |
| 956 | pm_runtime_put(drvdata->dev); |
| 957 | out: |
| 958 | return sprintf(buf, "%#lx\n", val); |
| 959 | } |
| 960 | |
| 961 | static ssize_t seq_curr_state_store(struct device *dev, |
| 962 | struct device_attribute *attr, |
| 963 | const char *buf, size_t size) |
| 964 | { |
| 965 | int ret; |
| 966 | unsigned long val; |
| 967 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 968 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 969 | |
| 970 | ret = kstrtoul(buf, 16, &val); |
| 971 | if (ret) |
| 972 | return ret; |
| 973 | |
| 974 | if (val > ETM_SEQ_STATE_MAX_VAL) |
| 975 | return -EINVAL; |
| 976 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 977 | config->seq_curr_state = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 978 | |
| 979 | return size; |
| 980 | } |
| 981 | static DEVICE_ATTR_RW(seq_curr_state); |
| 982 | |
| 983 | static ssize_t ctxid_idx_show(struct device *dev, |
| 984 | struct device_attribute *attr, char *buf) |
| 985 | { |
| 986 | unsigned long val; |
| 987 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 988 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 989 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 990 | val = config->ctxid_idx; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 991 | return sprintf(buf, "%#lx\n", val); |
| 992 | } |
| 993 | |
| 994 | static ssize_t ctxid_idx_store(struct device *dev, |
| 995 | struct device_attribute *attr, |
| 996 | const char *buf, size_t size) |
| 997 | { |
| 998 | int ret; |
| 999 | unsigned long val; |
| 1000 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1001 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1002 | |
| 1003 | ret = kstrtoul(buf, 16, &val); |
| 1004 | if (ret) |
| 1005 | return ret; |
| 1006 | |
| 1007 | if (val >= drvdata->nr_ctxid_cmp) |
| 1008 | return -EINVAL; |
| 1009 | |
| 1010 | /* |
| 1011 | * Use spinlock to ensure index doesn't change while it gets |
| 1012 | * dereferenced multiple times within a spinlock block elsewhere. |
| 1013 | */ |
| 1014 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1015 | config->ctxid_idx = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1016 | spin_unlock(&drvdata->spinlock); |
| 1017 | |
| 1018 | return size; |
| 1019 | } |
| 1020 | static DEVICE_ATTR_RW(ctxid_idx); |
| 1021 | |
| 1022 | static ssize_t ctxid_pid_show(struct device *dev, |
| 1023 | struct device_attribute *attr, char *buf) |
| 1024 | { |
| 1025 | unsigned long val; |
| 1026 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1027 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1028 | |
| 1029 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1030 | val = config->ctxid_vpid[config->ctxid_idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1031 | spin_unlock(&drvdata->spinlock); |
| 1032 | |
| 1033 | return sprintf(buf, "%#lx\n", val); |
| 1034 | } |
| 1035 | |
| 1036 | static ssize_t ctxid_pid_store(struct device *dev, |
| 1037 | struct device_attribute *attr, |
| 1038 | const char *buf, size_t size) |
| 1039 | { |
| 1040 | int ret; |
| 1041 | unsigned long vpid, pid; |
| 1042 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1043 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1044 | |
| 1045 | ret = kstrtoul(buf, 16, &vpid); |
| 1046 | if (ret) |
| 1047 | return ret; |
| 1048 | |
| 1049 | pid = coresight_vpid_to_pid(vpid); |
| 1050 | |
| 1051 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1052 | config->ctxid_pid[config->ctxid_idx] = pid; |
| 1053 | config->ctxid_vpid[config->ctxid_idx] = vpid; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1054 | spin_unlock(&drvdata->spinlock); |
| 1055 | |
| 1056 | return size; |
| 1057 | } |
| 1058 | static DEVICE_ATTR_RW(ctxid_pid); |
| 1059 | |
| 1060 | static ssize_t ctxid_mask_show(struct device *dev, |
| 1061 | struct device_attribute *attr, char *buf) |
| 1062 | { |
| 1063 | unsigned long val; |
| 1064 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1065 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1066 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1067 | val = config->ctxid_mask; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1068 | return sprintf(buf, "%#lx\n", val); |
| 1069 | } |
| 1070 | |
| 1071 | static ssize_t ctxid_mask_store(struct device *dev, |
| 1072 | struct device_attribute *attr, |
| 1073 | const char *buf, size_t size) |
| 1074 | { |
| 1075 | int ret; |
| 1076 | unsigned long val; |
| 1077 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1078 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1079 | |
| 1080 | ret = kstrtoul(buf, 16, &val); |
| 1081 | if (ret) |
| 1082 | return ret; |
| 1083 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1084 | config->ctxid_mask = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1085 | return size; |
| 1086 | } |
| 1087 | static DEVICE_ATTR_RW(ctxid_mask); |
| 1088 | |
| 1089 | static ssize_t sync_freq_show(struct device *dev, |
| 1090 | struct device_attribute *attr, char *buf) |
| 1091 | { |
| 1092 | unsigned long val; |
| 1093 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1094 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1095 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1096 | val = config->sync_freq; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1097 | return sprintf(buf, "%#lx\n", val); |
| 1098 | } |
| 1099 | |
| 1100 | static ssize_t sync_freq_store(struct device *dev, |
| 1101 | struct device_attribute *attr, |
| 1102 | const char *buf, size_t size) |
| 1103 | { |
| 1104 | int ret; |
| 1105 | unsigned long val; |
| 1106 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1107 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1108 | |
| 1109 | ret = kstrtoul(buf, 16, &val); |
| 1110 | if (ret) |
| 1111 | return ret; |
| 1112 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1113 | config->sync_freq = val & ETM_SYNC_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1114 | return size; |
| 1115 | } |
| 1116 | static DEVICE_ATTR_RW(sync_freq); |
| 1117 | |
| 1118 | static ssize_t timestamp_event_show(struct device *dev, |
| 1119 | struct device_attribute *attr, char *buf) |
| 1120 | { |
| 1121 | unsigned long val; |
| 1122 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1123 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1124 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1125 | val = config->timestamp_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1126 | return sprintf(buf, "%#lx\n", val); |
| 1127 | } |
| 1128 | |
| 1129 | static ssize_t timestamp_event_store(struct device *dev, |
| 1130 | struct device_attribute *attr, |
| 1131 | const char *buf, size_t size) |
| 1132 | { |
| 1133 | int ret; |
| 1134 | unsigned long val; |
| 1135 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1136 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1137 | |
| 1138 | ret = kstrtoul(buf, 16, &val); |
| 1139 | if (ret) |
| 1140 | return ret; |
| 1141 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1142 | config->timestamp_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1143 | return size; |
| 1144 | } |
| 1145 | static DEVICE_ATTR_RW(timestamp_event); |
| 1146 | |
| 1147 | static ssize_t cpu_show(struct device *dev, |
| 1148 | struct device_attribute *attr, char *buf) |
| 1149 | { |
| 1150 | int val; |
| 1151 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 1152 | |
| 1153 | val = drvdata->cpu; |
| 1154 | return scnprintf(buf, PAGE_SIZE, "%d\n", val); |
| 1155 | |
| 1156 | } |
| 1157 | static DEVICE_ATTR_RO(cpu); |
| 1158 | |
| 1159 | static ssize_t traceid_show(struct device *dev, |
| 1160 | struct device_attribute *attr, char *buf) |
| 1161 | { |
| 1162 | unsigned long val; |
| 1163 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 1164 | |
| 1165 | val = etm_get_trace_id(drvdata); |
| 1166 | |
| 1167 | return sprintf(buf, "%#lx\n", val); |
| 1168 | } |
| 1169 | |
| 1170 | static ssize_t traceid_store(struct device *dev, |
| 1171 | struct device_attribute *attr, |
| 1172 | const char *buf, size_t size) |
| 1173 | { |
| 1174 | int ret; |
| 1175 | unsigned long val; |
| 1176 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 1177 | |
| 1178 | ret = kstrtoul(buf, 16, &val); |
| 1179 | if (ret) |
| 1180 | return ret; |
| 1181 | |
| 1182 | drvdata->traceid = val & ETM_TRACEID_MASK; |
| 1183 | return size; |
| 1184 | } |
| 1185 | static DEVICE_ATTR_RW(traceid); |
| 1186 | |
| 1187 | static struct attribute *coresight_etm_attrs[] = { |
| 1188 | &dev_attr_nr_addr_cmp.attr, |
| 1189 | &dev_attr_nr_cntr.attr, |
| 1190 | &dev_attr_nr_ctxid_cmp.attr, |
| 1191 | &dev_attr_etmsr.attr, |
| 1192 | &dev_attr_reset.attr, |
| 1193 | &dev_attr_mode.attr, |
| 1194 | &dev_attr_trigger_event.attr, |
| 1195 | &dev_attr_enable_event.attr, |
| 1196 | &dev_attr_fifofull_level.attr, |
| 1197 | &dev_attr_addr_idx.attr, |
| 1198 | &dev_attr_addr_single.attr, |
| 1199 | &dev_attr_addr_range.attr, |
| 1200 | &dev_attr_addr_start.attr, |
| 1201 | &dev_attr_addr_stop.attr, |
| 1202 | &dev_attr_addr_acctype.attr, |
| 1203 | &dev_attr_cntr_idx.attr, |
| 1204 | &dev_attr_cntr_rld_val.attr, |
| 1205 | &dev_attr_cntr_event.attr, |
| 1206 | &dev_attr_cntr_rld_event.attr, |
| 1207 | &dev_attr_cntr_val.attr, |
| 1208 | &dev_attr_seq_12_event.attr, |
| 1209 | &dev_attr_seq_21_event.attr, |
| 1210 | &dev_attr_seq_23_event.attr, |
| 1211 | &dev_attr_seq_31_event.attr, |
| 1212 | &dev_attr_seq_32_event.attr, |
| 1213 | &dev_attr_seq_13_event.attr, |
| 1214 | &dev_attr_seq_curr_state.attr, |
| 1215 | &dev_attr_ctxid_idx.attr, |
| 1216 | &dev_attr_ctxid_pid.attr, |
| 1217 | &dev_attr_ctxid_mask.attr, |
| 1218 | &dev_attr_sync_freq.attr, |
| 1219 | &dev_attr_timestamp_event.attr, |
| 1220 | &dev_attr_traceid.attr, |
| 1221 | &dev_attr_cpu.attr, |
| 1222 | NULL, |
| 1223 | }; |
| 1224 | |
Mathieu Poirier | 154f3520 | 2016-04-05 11:53:50 -0600 | [diff] [blame] | 1225 | #define coresight_etm3x_simple_func(name, offset) \ |
Sudeep Holla | 3224dcc | 2016-08-25 15:19:09 -0600 | [diff] [blame] | 1226 | coresight_simple_func(struct etm_drvdata, NULL, name, offset) |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1227 | |
Mathieu Poirier | 154f3520 | 2016-04-05 11:53:50 -0600 | [diff] [blame] | 1228 | coresight_etm3x_simple_func(etmccr, ETMCCR); |
| 1229 | coresight_etm3x_simple_func(etmccer, ETMCCER); |
| 1230 | coresight_etm3x_simple_func(etmscr, ETMSCR); |
| 1231 | coresight_etm3x_simple_func(etmidr, ETMIDR); |
| 1232 | coresight_etm3x_simple_func(etmcr, ETMCR); |
| 1233 | coresight_etm3x_simple_func(etmtraceidr, ETMTRACEIDR); |
| 1234 | coresight_etm3x_simple_func(etmteevr, ETMTEEVR); |
| 1235 | coresight_etm3x_simple_func(etmtssvr, ETMTSSCR); |
| 1236 | coresight_etm3x_simple_func(etmtecr1, ETMTECR1); |
| 1237 | coresight_etm3x_simple_func(etmtecr2, ETMTECR2); |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1238 | |
| 1239 | static struct attribute *coresight_etm_mgmt_attrs[] = { |
| 1240 | &dev_attr_etmccr.attr, |
| 1241 | &dev_attr_etmccer.attr, |
| 1242 | &dev_attr_etmscr.attr, |
| 1243 | &dev_attr_etmidr.attr, |
| 1244 | &dev_attr_etmcr.attr, |
| 1245 | &dev_attr_etmtraceidr.attr, |
| 1246 | &dev_attr_etmteevr.attr, |
| 1247 | &dev_attr_etmtssvr.attr, |
| 1248 | &dev_attr_etmtecr1.attr, |
| 1249 | &dev_attr_etmtecr2.attr, |
| 1250 | NULL, |
| 1251 | }; |
| 1252 | |
| 1253 | static const struct attribute_group coresight_etm_group = { |
| 1254 | .attrs = coresight_etm_attrs, |
| 1255 | }; |
| 1256 | |
| 1257 | static const struct attribute_group coresight_etm_mgmt_group = { |
| 1258 | .attrs = coresight_etm_mgmt_attrs, |
| 1259 | .name = "mgmt", |
| 1260 | }; |
| 1261 | |
| 1262 | const struct attribute_group *coresight_etm_groups[] = { |
| 1263 | &coresight_etm_group, |
| 1264 | &coresight_etm_mgmt_group, |
| 1265 | NULL, |
| 1266 | }; |