diff options
Diffstat (limited to 'drivers/platform/x86/intel/telemetry')
| -rw-r--r-- | drivers/platform/x86/intel/telemetry/core.c | 177 | ||||
| -rw-r--r-- | drivers/platform/x86/intel/telemetry/pltdrv.c | 231 |
2 files changed, 0 insertions, 408 deletions
diff --git a/drivers/platform/x86/intel/telemetry/core.c b/drivers/platform/x86/intel/telemetry/core.c index e4be40f73eeb..f312864b8d07 100644 --- a/drivers/platform/x86/intel/telemetry/core.c +++ b/drivers/platform/x86/intel/telemetry/core.c @@ -21,33 +21,6 @@ struct telemetry_core_config { static struct telemetry_core_config telm_core_conf; -static int telemetry_def_update_events(struct telemetry_evtconfig pss_evtconfig, - struct telemetry_evtconfig ioss_evtconfig) -{ - return 0; -} - -static int telemetry_def_set_sampling_period(u8 pss_period, u8 ioss_period) -{ - return 0; -} - -static int telemetry_def_get_sampling_period(u8 *pss_min_period, - u8 *pss_max_period, - u8 *ioss_min_period, - u8 *ioss_max_period) -{ - return 0; -} - -static int telemetry_def_get_eventconfig( - struct telemetry_evtconfig *pss_evtconfig, - struct telemetry_evtconfig *ioss_evtconfig, - int pss_len, int ioss_len) -{ - return 0; -} - static int telemetry_def_get_trace_verbosity(enum telemetry_unit telem_unit, u32 *verbosity) { @@ -75,145 +48,14 @@ static int telemetry_def_read_eventlog(enum telemetry_unit telem_unit, return 0; } -static int telemetry_def_add_events(u8 num_pss_evts, u8 num_ioss_evts, - u32 *pss_evtmap, u32 *ioss_evtmap) -{ - return 0; -} - -static int telemetry_def_reset_events(void) -{ - return 0; -} - static const struct telemetry_core_ops telm_defpltops = { - .set_sampling_period = telemetry_def_set_sampling_period, - .get_sampling_period = telemetry_def_get_sampling_period, .get_trace_verbosity = telemetry_def_get_trace_verbosity, .set_trace_verbosity = telemetry_def_set_trace_verbosity, .raw_read_eventlog = telemetry_def_raw_read_eventlog, - .get_eventconfig = telemetry_def_get_eventconfig, .read_eventlog = telemetry_def_read_eventlog, - .update_events = telemetry_def_update_events, - .reset_events = telemetry_def_reset_events, - .add_events = telemetry_def_add_events, }; /** - * telemetry_update_events() - Update telemetry Configuration - * @pss_evtconfig: PSS related config. No change if num_evts = 0. - * @ioss_evtconfig: IOSS related config. No change if num_evts = 0. - * - * This API updates the IOSS & PSS Telemetry configuration. Old config - * is overwritten. Call telemetry_reset_events when logging is over - * All sample period values should be in the form of: - * bits[6:3] -> value; bits [0:2]-> Exponent; Period = (Value *16^Exponent) - * - * Return: 0 success, < 0 for failure - */ -int telemetry_update_events(struct telemetry_evtconfig pss_evtconfig, - struct telemetry_evtconfig ioss_evtconfig) -{ - return telm_core_conf.telem_ops->update_events(pss_evtconfig, - ioss_evtconfig); -} -EXPORT_SYMBOL_GPL(telemetry_update_events); - - -/** - * telemetry_set_sampling_period() - Sets the IOSS & PSS sampling period - * @pss_period: placeholder for PSS Period to be set. - * Set to 0 if not required to be updated - * @ioss_period: placeholder for IOSS Period to be set - * Set to 0 if not required to be updated - * - * All values should be in the form of: - * bits[6:3] -> value; bits [0:2]-> Exponent; Period = (Value *16^Exponent) - * - * Return: 0 success, < 0 for failure - */ -int telemetry_set_sampling_period(u8 pss_period, u8 ioss_period) -{ - return telm_core_conf.telem_ops->set_sampling_period(pss_period, - ioss_period); -} -EXPORT_SYMBOL_GPL(telemetry_set_sampling_period); - -/** - * telemetry_get_sampling_period() - Get IOSS & PSS min & max sampling period - * @pss_min_period: placeholder for PSS Min Period supported - * @pss_max_period: placeholder for PSS Max Period supported - * @ioss_min_period: placeholder for IOSS Min Period supported - * @ioss_max_period: placeholder for IOSS Max Period supported - * - * All values should be in the form of: - * bits[6:3] -> value; bits [0:2]-> Exponent; Period = (Value *16^Exponent) - * - * Return: 0 success, < 0 for failure - */ -int telemetry_get_sampling_period(u8 *pss_min_period, u8 *pss_max_period, - u8 *ioss_min_period, u8 *ioss_max_period) -{ - return telm_core_conf.telem_ops->get_sampling_period(pss_min_period, - pss_max_period, - ioss_min_period, - ioss_max_period); -} -EXPORT_SYMBOL_GPL(telemetry_get_sampling_period); - - -/** - * telemetry_reset_events() - Restore the IOSS & PSS configuration to default - * - * Return: 0 success, < 0 for failure - */ -int telemetry_reset_events(void) -{ - return telm_core_conf.telem_ops->reset_events(); -} -EXPORT_SYMBOL_GPL(telemetry_reset_events); - -/** - * telemetry_get_eventconfig() - Returns the pss and ioss events enabled - * @pss_evtconfig: Pointer to PSS related configuration. - * @ioss_evtconfig: Pointer to IOSS related configuration. - * @pss_len: Number of u32 elements allocated for pss_evtconfig array - * @ioss_len: Number of u32 elements allocated for ioss_evtconfig array - * - * Return: 0 success, < 0 for failure - */ -int telemetry_get_eventconfig(struct telemetry_evtconfig *pss_evtconfig, - struct telemetry_evtconfig *ioss_evtconfig, - int pss_len, int ioss_len) -{ - return telm_core_conf.telem_ops->get_eventconfig(pss_evtconfig, - ioss_evtconfig, - pss_len, ioss_len); -} -EXPORT_SYMBOL_GPL(telemetry_get_eventconfig); - -/** - * telemetry_add_events() - Add IOSS & PSS configuration to existing settings. - * @num_pss_evts: Number of PSS Events (<29) in pss_evtmap. Can be 0. - * @num_ioss_evts: Number of IOSS Events (<29) in ioss_evtmap. Can be 0. - * @pss_evtmap: Array of PSS Event-IDs to Enable - * @ioss_evtmap: Array of PSS Event-IDs to Enable - * - * Events are appended to Old Configuration. In case of total events > 28, it - * returns error. Call telemetry_reset_events to reset after eventlog done - * - * Return: 0 success, < 0 for failure - */ -int telemetry_add_events(u8 num_pss_evts, u8 num_ioss_evts, - u32 *pss_evtmap, u32 *ioss_evtmap) -{ - return telm_core_conf.telem_ops->add_events(num_pss_evts, - num_ioss_evts, pss_evtmap, - ioss_evtmap); -} -EXPORT_SYMBOL_GPL(telemetry_add_events); - -/** * telemetry_read_events() - Fetches samples as specified by evtlog.telem_evt_id * @telem_unit: Specify whether IOSS or PSS Read * @evtlog: Array of telemetry_evtlog structs to fill data @@ -231,25 +73,6 @@ int telemetry_read_events(enum telemetry_unit telem_unit, EXPORT_SYMBOL_GPL(telemetry_read_events); /** - * telemetry_raw_read_events() - Fetch samples specified by evtlog.telem_evt_id - * @telem_unit: Specify whether IOSS or PSS Read - * @evtlog: Array of telemetry_evtlog structs to fill data - * evtlog.telem_evt_id specifies the ids to read - * @len: Length of array of evtlog - * - * The caller must take care of locking in this case. - * - * Return: number of eventlogs read for success, < 0 for failure - */ -int telemetry_raw_read_events(enum telemetry_unit telem_unit, - struct telemetry_evtlog *evtlog, int len) -{ - return telm_core_conf.telem_ops->raw_read_eventlog(telem_unit, evtlog, - len, 0); -} -EXPORT_SYMBOL_GPL(telemetry_raw_read_events); - -/** * telemetry_read_eventlog() - Fetch the Telemetry log from PSS or IOSS * @telem_unit: Specify whether IOSS or PSS Read * @evtlog: Array of telemetry_evtlog structs to fill data diff --git a/drivers/platform/x86/intel/telemetry/pltdrv.c b/drivers/platform/x86/intel/telemetry/pltdrv.c index 9a499efa1e4d..f23c170a55dc 100644 --- a/drivers/platform/x86/intel/telemetry/pltdrv.c +++ b/drivers/platform/x86/intel/telemetry/pltdrv.c @@ -639,231 +639,6 @@ static int telemetry_setup(struct platform_device *pdev) return 0; } -static int telemetry_plt_update_events(struct telemetry_evtconfig pss_evtconfig, - struct telemetry_evtconfig ioss_evtconfig) -{ - int ret; - - if ((pss_evtconfig.num_evts > 0) && - (TELEM_SAMPLE_PERIOD_INVALID(pss_evtconfig.period))) { - pr_err("PSS Sampling Period Out of Range\n"); - return -EINVAL; - } - - if ((ioss_evtconfig.num_evts > 0) && - (TELEM_SAMPLE_PERIOD_INVALID(ioss_evtconfig.period))) { - pr_err("IOSS Sampling Period Out of Range\n"); - return -EINVAL; - } - - ret = telemetry_setup_evtconfig(pss_evtconfig, ioss_evtconfig, - TELEM_UPDATE); - if (ret) - pr_err("TELEMETRY Config Failed\n"); - - return ret; -} - - -static int telemetry_plt_set_sampling_period(u8 pss_period, u8 ioss_period) -{ - u32 telem_ctrl = 0; - int ret = 0; - - mutex_lock(&(telm_conf->telem_lock)); - if (ioss_period) { - struct intel_scu_ipc_dev *scu = telm_conf->scu; - - if (TELEM_SAMPLE_PERIOD_INVALID(ioss_period)) { - pr_err("IOSS Sampling Period Out of Range\n"); - ret = -EINVAL; - goto out; - } - - /* Get telemetry EVENT CTL */ - ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM, - IOSS_TELEM_EVENT_CTL_READ, NULL, 0, - &telem_ctrl, sizeof(telem_ctrl)); - if (ret) { - pr_err("IOSS TELEM_CTRL Read Failed\n"); - goto out; - } - - /* Disable Telemetry */ - TELEM_DISABLE(telem_ctrl); - - ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM, - IOSS_TELEM_EVENT_CTL_WRITE, - &telem_ctrl, sizeof(telem_ctrl), - NULL, 0); - if (ret) { - pr_err("IOSS TELEM_CTRL Event Disable Write Failed\n"); - goto out; - } - - /* Enable Periodic Telemetry Events and enable SRAM trace */ - TELEM_CLEAR_SAMPLE_PERIOD(telem_ctrl); - TELEM_ENABLE_SRAM_EVT_TRACE(telem_ctrl); - TELEM_ENABLE_PERIODIC(telem_ctrl); - telem_ctrl |= ioss_period; - - ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM, - IOSS_TELEM_EVENT_CTL_WRITE, - &telem_ctrl, sizeof(telem_ctrl), - NULL, 0); - if (ret) { - pr_err("IOSS TELEM_CTRL Event Enable Write Failed\n"); - goto out; - } - telm_conf->ioss_config.curr_period = ioss_period; - } - - if (pss_period) { - if (TELEM_SAMPLE_PERIOD_INVALID(pss_period)) { - pr_err("PSS Sampling Period Out of Range\n"); - ret = -EINVAL; - goto out; - } - - /* Get telemetry EVENT CTL */ - ret = intel_punit_ipc_command( - IPC_PUNIT_BIOS_READ_TELE_EVENT_CTRL, - 0, 0, NULL, &telem_ctrl); - if (ret) { - pr_err("PSS TELEM_CTRL Read Failed\n"); - goto out; - } - - /* Disable Telemetry */ - TELEM_DISABLE(telem_ctrl); - ret = intel_punit_ipc_command( - IPC_PUNIT_BIOS_WRITE_TELE_EVENT_CTRL, - 0, 0, &telem_ctrl, NULL); - if (ret) { - pr_err("PSS TELEM_CTRL Event Disable Write Failed\n"); - goto out; - } - - /* Enable Periodic Telemetry Events and enable SRAM trace */ - TELEM_CLEAR_SAMPLE_PERIOD(telem_ctrl); - TELEM_ENABLE_SRAM_EVT_TRACE(telem_ctrl); - TELEM_ENABLE_PERIODIC(telem_ctrl); - telem_ctrl |= pss_period; - - ret = intel_punit_ipc_command( - IPC_PUNIT_BIOS_WRITE_TELE_EVENT_CTRL, - 0, 0, &telem_ctrl, NULL); - if (ret) { - pr_err("PSS TELEM_CTRL Event Enable Write Failed\n"); - goto out; - } - telm_conf->pss_config.curr_period = pss_period; - } - -out: - mutex_unlock(&(telm_conf->telem_lock)); - return ret; -} - - -static int telemetry_plt_get_sampling_period(u8 *pss_min_period, - u8 *pss_max_period, - u8 *ioss_min_period, - u8 *ioss_max_period) -{ - *pss_min_period = telm_conf->pss_config.min_period; - *pss_max_period = telm_conf->pss_config.max_period; - *ioss_min_period = telm_conf->ioss_config.min_period; - *ioss_max_period = telm_conf->ioss_config.max_period; - - return 0; -} - - -static int telemetry_plt_reset_events(void) -{ - struct telemetry_evtconfig pss_evtconfig, ioss_evtconfig; - int ret; - - pss_evtconfig.evtmap = NULL; - pss_evtconfig.num_evts = TELEM_MAX_OS_ALLOCATED_EVENTS; - pss_evtconfig.period = TELEM_SAMPLING_DEFAULT_PERIOD; - - ioss_evtconfig.evtmap = NULL; - ioss_evtconfig.num_evts = TELEM_MAX_OS_ALLOCATED_EVENTS; - ioss_evtconfig.period = TELEM_SAMPLING_DEFAULT_PERIOD; - - ret = telemetry_setup_evtconfig(pss_evtconfig, ioss_evtconfig, - TELEM_RESET); - if (ret) - pr_err("TELEMETRY Reset Failed\n"); - - return ret; -} - - -static int telemetry_plt_get_eventconfig(struct telemetry_evtconfig *pss_config, - struct telemetry_evtconfig *ioss_config, - int pss_len, int ioss_len) -{ - u32 *pss_evtmap, *ioss_evtmap; - u32 index; - - pss_evtmap = pss_config->evtmap; - ioss_evtmap = ioss_config->evtmap; - - mutex_lock(&(telm_conf->telem_lock)); - pss_config->num_evts = telm_conf->pss_config.ssram_evts_used; - ioss_config->num_evts = telm_conf->ioss_config.ssram_evts_used; - - pss_config->period = telm_conf->pss_config.curr_period; - ioss_config->period = telm_conf->ioss_config.curr_period; - - if ((pss_len < telm_conf->pss_config.ssram_evts_used) || - (ioss_len < telm_conf->ioss_config.ssram_evts_used)) { - mutex_unlock(&(telm_conf->telem_lock)); - return -EINVAL; - } - - for (index = 0; index < telm_conf->pss_config.ssram_evts_used; - index++) { - pss_evtmap[index] = - telm_conf->pss_config.telem_evts[index].evt_id; - } - - for (index = 0; index < telm_conf->ioss_config.ssram_evts_used; - index++) { - ioss_evtmap[index] = - telm_conf->ioss_config.telem_evts[index].evt_id; - } - - mutex_unlock(&(telm_conf->telem_lock)); - return 0; -} - - -static int telemetry_plt_add_events(u8 num_pss_evts, u8 num_ioss_evts, - u32 *pss_evtmap, u32 *ioss_evtmap) -{ - struct telemetry_evtconfig pss_evtconfig, ioss_evtconfig; - int ret; - - pss_evtconfig.evtmap = pss_evtmap; - pss_evtconfig.num_evts = num_pss_evts; - pss_evtconfig.period = telm_conf->pss_config.curr_period; - - ioss_evtconfig.evtmap = ioss_evtmap; - ioss_evtconfig.num_evts = num_ioss_evts; - ioss_evtconfig.period = telm_conf->ioss_config.curr_period; - - ret = telemetry_setup_evtconfig(pss_evtconfig, ioss_evtconfig, - TELEM_ADD); - if (ret) - pr_err("TELEMETRY ADD Failed\n"); - - return ret; -} - static int telem_evtlog_read(enum telemetry_unit telem_unit, struct telem_ssram_region *ssram_region, u8 len) { @@ -1093,14 +868,8 @@ out: static const struct telemetry_core_ops telm_pltops = { .get_trace_verbosity = telemetry_plt_get_trace_verbosity, .set_trace_verbosity = telemetry_plt_set_trace_verbosity, - .set_sampling_period = telemetry_plt_set_sampling_period, - .get_sampling_period = telemetry_plt_get_sampling_period, .raw_read_eventlog = telemetry_plt_raw_read_eventlog, - .get_eventconfig = telemetry_plt_get_eventconfig, - .update_events = telemetry_plt_update_events, .read_eventlog = telemetry_plt_read_eventlog, - .reset_events = telemetry_plt_reset_events, - .add_events = telemetry_plt_add_events, }; static int telemetry_pltdrv_probe(struct platform_device *pdev) |