// SPDX-License-Identifier: GPL-2.0/* * Intel SOC Telemetry debugfs Driver: Currently supports APL * Copyright (c) 2015, Intel Corporation. * All Rights Reserved. * * This file provides the debugfs interfaces for telemetry. * /sys/kernel/debug/telemetry/pss_info: Shows Primary Control Sub-Sys Counters * /sys/kernel/debug/telemetry/ioss_info: Shows IO Sub-System Counters * /sys/kernel/debug/telemetry/soc_states: Shows SoC State * /sys/kernel/debug/telemetry/pss_trace_verbosity: Read and Change Tracing * Verbosity via firmware * /sys/kernel/debug/telemetry/ioss_race_verbosity: Write and Change Tracing * Verbosity via firmware */#include <linux/debugfs.h>#include <linux/device.h>#include <linux/mfd/intel_pmc_bxt.h>#include <linux/module.h>#include <linux/pci.h>#include <linux/seq_file.h>#include <linux/suspend.h> #include <asm/cpu_device_id.h>#include <asm/intel-family.h>#include <asm/intel_telemetry.h> #define DRIVER_NAME "telemetry_soc_debugfs"#define DRIVER_VERSION "1.0.0" /* ApolloLake SoC Event-IDs */#define TELEM_APL_PSS_PSTATES_ID 0x2802#define TELEM_APL_PSS_IDLE_ID 0x2806#define TELEM_APL_PCS_IDLE_BLOCKED_ID 0x2C00#define TELEM_APL_PCS_S0IX_BLOCKED_ID 0x2C01#define TELEM_APL_PSS_WAKEUP_ID 0x2C02#define TELEM_APL_PSS_LTR_BLOCKING_ID 0x2C03 #define TELEM_APL_S0IX_TOTAL_OCC_ID 0x4000#define TELEM_APL_S0IX_SHLW_OCC_ID 0x4001#define TELEM_APL_S0IX_DEEP_OCC_ID 0x4002#define TELEM_APL_S0IX_TOTAL_RES_ID 0x4800#define TELEM_APL_S0IX_SHLW_RES_ID 0x4801#define TELEM_APL_S0IX_DEEP_RES_ID 0x4802#define TELEM_APL_D0IX_ID 0x581A#define TELEM_APL_D3_ID 0x5819#define TELEM_APL_PG_ID 0x5818 #define TELEM_INFO_SRAMEVTS_MASK 0xFF00#define TELEM_INFO_SRAMEVTS_SHIFT 0x8#define TELEM_SSRAM_READ_TIMEOUT 10 #define TELEM_MASK_BIT 1#define TELEM_MASK_BYTE 0xFF#define BYTES_PER_LONG 8#define TELEM_APL_MASK_PCS_STATE 0xF /* Max events in bitmap to check for */#define TELEM_PSS_IDLE_EVTS 25#define TELEM_PSS_IDLE_BLOCKED_EVTS 20#define TELEM_PSS_S0IX_BLOCKED_EVTS 20#define TELEM_PSS_S0IX_WAKEUP_EVTS 20#define TELEM_PSS_LTR_BLOCKING_EVTS 20#define TELEM_IOSS_DX_D0IX_EVTS 25#define TELEM_IOSS_PG_EVTS 30 #define TELEM_CHECK_AND_PARSE_EVTS(EVTID, EVTNUM, BUF, EVTLOG, EVTDAT, MASK) { \ if (evtlog[index].telem_evtid == (EVTID)) { \ for (idx = 0; idx < (EVTNUM); idx++) \ (BUF)[idx] = ((EVTLOG) >> (EVTDAT)[idx].bit_pos) & \ (MASK); \ continue; \ } \} #define TELEM_CHECK_AND_PARSE_CTRS(EVTID, CTR) { \ if (evtlog[index].telem_evtid == (EVTID)) { \ (CTR) = evtlog[index].telem_evtlog; \ continue; \ } \} static u8 suspend_prep_ok;static u32 suspend_shlw_ctr_temp, suspend_deep_ctr_temp;static u64 suspend_shlw_res_temp, suspend_deep_res_temp; struct telemetry_susp_stats { u32 shlw_ctr; u32 deep_ctr; u64 shlw_res; u64 deep_res;}; /* Bitmap definitions for default counters in APL */struct telem_pss_idle_stateinfo { const char *name; u32 bit_pos;}; static struct telem_pss_idle_stateinfo telem_apl_pss_idle_data[] = { {"IA_CORE0_C1E", 0}, {"IA_CORE1_C1E", 1}, {"IA_CORE2_C1E", 2}, {"IA_CORE3_C1E", 3}, {"IA_CORE0_C6", 16}, {"IA_CORE1_C6", 17}, {"IA_CORE2_C6", 18}, {"IA_CORE3_C6", 19}, {"IA_MODULE0_C7", 32}, {"IA_MODULE1_C7", 33}, {"GT_RC6", 40}, {"IUNIT_PROCESSING_IDLE", 41}, {"FAR_MEM_IDLE", 43}, {"DISPLAY_IDLE", 44}, {"IUNIT_INPUT_SYSTEM_IDLE", 45}, {"PCS_STATUS", 60},}; struct telem_pcs_blkd_info { const char *name; u32 bit_pos;}; static struct telem_pcs_blkd_info telem_apl_pcs_idle_blkd_data[] = { {"COMPUTE", 0}, {"MISC", 8}, {"MODULE_ACTIONS_PENDING", 16}, {"LTR", 24}, {"DISPLAY_WAKE", 32}, {"ISP_WAKE", 40}, {"PSF0_ACTIVE", 48},}; static struct telem_pcs_blkd_info telem_apl_pcs_s0ix_blkd_data[] = { {"LTR", 0}, {"IRTL", 8}, {"WAKE_DEADLINE_PENDING", 16}, {"DISPLAY", 24}, {"ISP", 32}, {"CORE", 40}, {"PMC", 48}, {"MISC", 56},}; struct telem_pss_ltr_info { const char *name; u32 bit_pos;}; static struct telem_pss_ltr_info telem_apl_pss_ltr_data[] = { {"CORE_ACTIVE", 0}, {"MEM_UP", 8}, {"DFX", 16}, {"DFX_FORCE_LTR", 24}, {"DISPLAY", 32}, {"ISP", 40}, {"SOUTH", 48},}; struct telem_pss_wakeup_info { const char *name; u32 bit_pos;}; static struct telem_pss_wakeup_info telem_apl_pss_wakeup[] = { {"IP_IDLE", 0}, {"DISPLAY_WAKE", 8}, {"VOLTAGE_REG_INT", 16}, {"DROWSY_TIMER (HOTPLUG)", 24}, {"CORE_WAKE", 32}, {"MISC_S0IX", 40}, {"MISC_ABORT", 56},}; struct telem_ioss_d0ix_stateinfo { const char *name; u32 bit_pos;}; static struct telem_ioss_d0ix_stateinfo telem_apl_ioss_d0ix_data[] = { {"CSE", 0}, {"SCC2", 1}, {"GMM", 2}, {"XDCI", 3}, {"XHCI", 4}, {"ISH", 5}, {"AVS", 6}, {"PCIE0P1", 7}, {"PECI0P0", 8}, {"LPSS", 9}, {"SCC", 10}, {"PWM", 11}, {"PCIE1_P3", 12}, {"PCIE1_P2", 13}, {"PCIE1_P1", 14}, {"PCIE1_P0", 15}, {"CNV", 16}, {"SATA", 17}, {"PRTC", 18},}; struct telem_ioss_pg_info { const char *name; u32 bit_pos;}; static struct telem_ioss_pg_info telem_apl_ioss_pg_data[] = { {"LPSS", 0}, {"SCC", 1}, {"P2SB", 2}, {"SCC2", 3}, {"GMM", 4}, {"PCIE0", 5}, {"XDCI", 6}, {"xHCI", 7}, {"CSE", 8}, {"SPI", 9}, {"AVSPGD4", 10}, {"AVSPGD3", 11}, {"AVSPGD2", 12}, {"AVSPGD1", 13}, {"ISH", 14}, {"EXI", 15}, {"NPKVRC", 16}, {"NPKVNN", 17}, {"CUNIT", 18}, {"FUSE_CTRL", 19}, {"PCIE1", 20}, {"CNV", 21}, {"LPC", 22}, {"SATA", 23}, {"SMB", 24}, {"PRTC", 25},}; struct telemetry_debugfs_conf { struct telemetry_susp_stats suspend_stats; struct dentry *telemetry_dbg_dir; /* Bitmap Data */ struct telem_ioss_d0ix_stateinfo *ioss_d0ix_data; struct telem_pss_idle_stateinfo *pss_idle_data; struct telem_pcs_blkd_info *pcs_idle_blkd_data; struct telem_pcs_blkd_info *pcs_s0ix_blkd_data; struct telem_pss_wakeup_info *pss_wakeup; struct telem_pss_ltr_info *pss_ltr_data; struct telem_ioss_pg_info *ioss_pg_data; u8 pcs_idle_blkd_evts; u8 pcs_s0ix_blkd_evts; u8 pss_wakeup_evts; u8 pss_idle_evts; u8 pss_ltr_evts; u8 ioss_d0ix_evts; u8 ioss_pg_evts; /* IDs */ u16 pss_ltr_blocking_id; u16 pcs_idle_blkd_id; u16 pcs_s0ix_blkd_id; u16 s0ix_total_occ_id; u16 s0ix_shlw_occ_id; u16 s0ix_deep_occ_id; u16 s0ix_total_res_id; u16 s0ix_shlw_res_id; u16 s0ix_deep_res_id; u16 pss_wakeup_id; u16 ioss_d0ix_id; u16 pstates_id; u16 pss_idle_id; u16 ioss_d3_id; u16 ioss_pg_id;}; static struct telemetry_debugfs_conf *debugfs_conf; static struct telemetry_debugfs_conf telem_apl_debugfs_conf = { .pss_idle_data = telem_apl_pss_idle_data, .pcs_idle_blkd_data = telem_apl_pcs_idle_blkd_data, .pcs_s0ix_blkd_data = telem_apl_pcs_s0ix_blkd_data, .pss_ltr_data = telem_apl_pss_ltr_data, .pss_wakeup = telem_apl_pss_wakeup, .ioss_d0ix_data = telem_apl_ioss_d0ix_data, .ioss_pg_data = telem_apl_ioss_pg_data, .pss_idle_evts = ARRAY_SIZE(telem_apl_pss_idle_data), .pcs_idle_blkd_evts = ARRAY_SIZE(telem_apl_pcs_idle_blkd_data), .pcs_s0ix_blkd_evts = ARRAY_SIZE(telem_apl_pcs_s0ix_blkd_data), .pss_ltr_evts = ARRAY_SIZE(telem_apl_pss_ltr_data), .pss_wakeup_evts = ARRAY_SIZE(telem_apl_pss_wakeup), .ioss_d0ix_evts = ARRAY_SIZE(telem_apl_ioss_d0ix_data), .ioss_pg_evts = ARRAY_SIZE(telem_apl_ioss_pg_data), .pstates_id = TELEM_APL_PSS_PSTATES_ID, .pss_idle_id = TELEM_APL_PSS_IDLE_ID, .pcs_idle_blkd_id = TELEM_APL_PCS_IDLE_BLOCKED_ID, .pcs_s0ix_blkd_id = TELEM_APL_PCS_S0IX_BLOCKED_ID, .pss_wakeup_id = TELEM_APL_PSS_WAKEUP_ID, .pss_ltr_blocking_id = TELEM_APL_PSS_LTR_BLOCKING_ID, .s0ix_total_occ_id = TELEM_APL_S0IX_TOTAL_OCC_ID, .s0ix_shlw_occ_id = TELEM_APL_S0IX_SHLW_OCC_ID, .s0ix_deep_occ_id = TELEM_APL_S0IX_DEEP_OCC_ID, .s0ix_total_res_id = TELEM_APL_S0IX_TOTAL_RES_ID, .s0ix_shlw_res_id = TELEM_APL_S0IX_SHLW_RES_ID, .s0ix_deep_res_id = TELEM_APL_S0IX_DEEP_RES_ID, .ioss_d0ix_id = TELEM_APL_D0IX_ID, .ioss_d3_id = TELEM_APL_D3_ID, .ioss_pg_id = TELEM_APL_PG_ID,}; static const struct x86_cpu_id telemetry_debugfs_cpu_ids[] = { X86_MATCH_VFM(INTEL_ATOM_GOLDMONT, &telem_apl_debugfs_conf), X86_MATCH_VFM(INTEL_ATOM_GOLDMONT_PLUS, &telem_apl_debugfs_conf), {}};MODULE_DEVICE_TABLE(x86cpu, telemetry_debugfs_cpu_ids); static int telemetry_debugfs_check_evts(void){ if ((debugfs_conf->pss_idle_evts > TELEM_PSS_IDLE_EVTS) || (debugfs_conf->pcs_idle_blkd_evts > TELEM_PSS_IDLE_BLOCKED_EVTS) || (debugfs_conf->pcs_s0ix_blkd_evts > TELEM_PSS_S0IX_BLOCKED_EVTS) || (debugfs_conf->pss_ltr_evts > TELEM_PSS_LTR_BLOCKING_EVTS) || (debugfs_conf->pss_wakeup_evts > TELEM_PSS_S0IX_WAKEUP_EVTS) || (debugfs_conf->ioss_d0ix_evts > TELEM_IOSS_DX_D0IX_EVTS) || (debugfs_conf->ioss_pg_evts > TELEM_IOSS_PG_EVTS)) return -EINVAL; return 0;} static int telem_pss_states_show(struct seq_file *s, void *unused){ struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS]; struct telemetry_debugfs_conf *conf = debugfs_conf; const char *name[TELEM_MAX_OS_ALLOCATED_EVENTS]; u32 pcs_idle_blkd[TELEM_PSS_IDLE_BLOCKED_EVTS], pcs_s0ix_blkd[TELEM_PSS_S0IX_BLOCKED_EVTS], pss_s0ix_wakeup[TELEM_PSS_S0IX_WAKEUP_EVTS], pss_ltr_blkd[TELEM_PSS_LTR_BLOCKING_EVTS], pss_idle[TELEM_PSS_IDLE_EVTS]; int index, idx, ret, err = 0; u64 pstates = 0; ret = telemetry_read_eventlog(TELEM_PSS, evtlog, TELEM_MAX_OS_ALLOCATED_EVENTS); if (ret < 0) return ret; err = telemetry_get_evtname(TELEM_PSS, name, TELEM_MAX_OS_ALLOCATED_EVENTS); if (err < 0) return err; seq_puts(s, "\n----------------------------------------------------\n"); seq_puts(s, "\tPSS TELEM EVENTLOG (Residency = field/19.2 us\n"); seq_puts(s, "----------------------------------------------------\n"); for (index = 0; index < ret; index++) { seq_printf(s, "%-32s %llu\n", name[index], evtlog[index].telem_evtlog); /* Fetch PSS IDLE State */ if (evtlog[index].telem_evtid == conf->pss_idle_id) { pss_idle[conf->pss_idle_evts - 1] = (evtlog[index].telem_evtlog >> conf->pss_idle_data[conf->pss_idle_evts - 1].bit_pos) & TELEM_APL_MASK_PCS_STATE; } TELEM_CHECK_AND_PARSE_EVTS(conf->pss_idle_id, conf->pss_idle_evts - 1, pss_idle, evtlog[index].telem_evtlog, conf->pss_idle_data, TELEM_MASK_BIT); TELEM_CHECK_AND_PARSE_EVTS(conf->pcs_idle_blkd_id, conf->pcs_idle_blkd_evts, pcs_idle_blkd, evtlog[index].telem_evtlog, conf->pcs_idle_blkd_data, TELEM_MASK_BYTE); TELEM_CHECK_AND_PARSE_EVTS(conf->pcs_s0ix_blkd_id, conf->pcs_s0ix_blkd_evts, pcs_s0ix_blkd, evtlog[index].telem_evtlog, conf->pcs_s0ix_blkd_data, TELEM_MASK_BYTE); TELEM_CHECK_AND_PARSE_EVTS(conf->pss_wakeup_id, conf->pss_wakeup_evts, pss_s0ix_wakeup, evtlog[index].telem_evtlog, conf->pss_wakeup, TELEM_MASK_BYTE); TELEM_CHECK_AND_PARSE_EVTS(conf->pss_ltr_blocking_id, conf->pss_ltr_evts, pss_ltr_blkd, evtlog[index].telem_evtlog, conf->pss_ltr_data, TELEM_MASK_BYTE); if (evtlog[index].telem_evtid == debugfs_conf->pstates_id) pstates = evtlog[index].telem_evtlog; } seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "PStates\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Domain\t\t\t\tFreq(Mhz)\n"); seq_printf(s, " IA\t\t\t\t %llu\n GT\t\t\t\t %llu\n", (pstates & TELEM_MASK_BYTE)*100, ((pstates >> 8) & TELEM_MASK_BYTE)*50/3); seq_printf(s, " IUNIT\t\t\t\t %llu\n SA\t\t\t\t %llu\n", ((pstates >> 16) & TELEM_MASK_BYTE)*25, ((pstates >> 24) & TELEM_MASK_BYTE)*50/3); seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "PSS IDLE Status\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Device\t\t\t\t\tIDLE\n"); for (index = 0; index < debugfs_conf->pss_idle_evts; index++) { seq_printf(s, "%-32s\t%u\n", debugfs_conf->pss_idle_data[index].name, pss_idle[index]); } seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "PSS Idle blkd Status (~1ms saturating bucket)\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Blocker\t\t\t\t\tCount\n"); for (index = 0; index < debugfs_conf->pcs_idle_blkd_evts; index++) { seq_printf(s, "%-32s\t%u\n", debugfs_conf->pcs_idle_blkd_data[index].name, pcs_idle_blkd[index]); } seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "PSS S0ix blkd Status (~1ms saturating bucket)\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Blocker\t\t\t\t\tCount\n"); for (index = 0; index < debugfs_conf->pcs_s0ix_blkd_evts; index++) { seq_printf(s, "%-32s\t%u\n", debugfs_conf->pcs_s0ix_blkd_data[index].name, pcs_s0ix_blkd[index]); } seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "LTR Blocking Status (~1ms saturating bucket)\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Blocker\t\t\t\t\tCount\n"); for (index = 0; index < debugfs_conf->pss_ltr_evts; index++) { seq_printf(s, "%-32s\t%u\n", debugfs_conf->pss_ltr_data[index].name, pss_ltr_blkd[index]); } seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "Wakes Status (~1ms saturating bucket)\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Wakes\t\t\t\t\tCount\n"); for (index = 0; index < debugfs_conf->pss_wakeup_evts; index++) { seq_printf(s, "%-32s\t%u\n", debugfs_conf->pss_wakeup[index].name, pss_s0ix_wakeup[index]); } return 0;} DEFINE_SHOW_ATTRIBUTE(telem_pss_states); static int telem_ioss_states_show(struct seq_file *s, void *unused){ struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS]; const char *name[TELEM_MAX_OS_ALLOCATED_EVENTS]; int index, ret, err; ret = telemetry_read_eventlog(TELEM_IOSS, evtlog, TELEM_MAX_OS_ALLOCATED_EVENTS); if (ret < 0) return ret; err = telemetry_get_evtname(TELEM_IOSS, name, TELEM_MAX_OS_ALLOCATED_EVENTS); if (err < 0) return err; seq_puts(s, "--------------------------------------\n"); seq_puts(s, "\tI0SS TELEMETRY EVENTLOG\n"); seq_puts(s, "--------------------------------------\n"); for (index = 0; index < ret; index++) { seq_printf(s, "%-32s 0x%llx\n", name[index], evtlog[index].telem_evtlog); } return 0;} DEFINE_SHOW_ATTRIBUTE(telem_ioss_states); static int telem_soc_states_show(struct seq_file *s, void *unused){Lines 1–500 of 961. 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// SPDX-License-Identifier: GPL-2.0 /* * Intel SOC Telemetry debugfs Driver: Currently supports APL * Copyright (c) 2015, Intel Corporation. * All Rights Reserved. * * This file provides the debugfs interfaces for telemetry. * /sys/kernel/debug/telemetry/pss_info: Shows Primary Control Sub-Sys Counters * /sys/kernel/debug/telemetry/ioss_info: Shows IO Sub-System Counters * /sys/kernel/debug/telemetry/soc_states: Shows SoC State * /sys/kernel/debug/telemetry/pss_trace_verbosity: Read and Change Tracing * Verbosity via firmware * /sys/kernel/debug/telemetry/ioss_race_verbosity: Write and Change Tracing * Verbosity via firmware */ #include <linux/debugfs.h> #include <linux/device.h> #include <linux/mfd/intel_pmc_bxt.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/seq_file.h> #include <linux/suspend.h> #include <asm/cpu_device_id.h> #include <asm/intel-family.h> #include <asm/intel_telemetry.h> #define DRIVER_NAME "telemetry_soc_debugfs" #define DRIVER_VERSION "1.0.0" /* ApolloLake SoC Event-IDs */ #define TELEM_APL_PSS_PSTATES_ID 0x2802 #define TELEM_APL_PSS_IDLE_ID 0x2806 #define TELEM_APL_PCS_IDLE_BLOCKED_ID 0x2C00 #define TELEM_APL_PCS_S0IX_BLOCKED_ID 0x2C01 #define TELEM_APL_PSS_WAKEUP_ID 0x2C02 #define TELEM_APL_PSS_LTR_BLOCKING_ID 0x2C03 #define TELEM_APL_S0IX_TOTAL_OCC_ID 0x4000 #define TELEM_APL_S0IX_SHLW_OCC_ID 0x4001 #define TELEM_APL_S0IX_DEEP_OCC_ID 0x4002 #define TELEM_APL_S0IX_TOTAL_RES_ID 0x4800 #define TELEM_APL_S0IX_SHLW_RES_ID 0x4801 #define TELEM_APL_S0IX_DEEP_RES_ID 0x4802 #define TELEM_APL_D0IX_ID 0x581A #define TELEM_APL_D3_ID 0x5819 #define TELEM_APL_PG_ID 0x5818 #define TELEM_INFO_SRAMEVTS_MASK 0xFF00 #define TELEM_INFO_SRAMEVTS_SHIFT 0x8 #define TELEM_SSRAM_READ_TIMEOUT 10 #define TELEM_MASK_BIT 1 #define TELEM_MASK_BYTE 0xFF #define BYTES_PER_LONG 8 #define TELEM_APL_MASK_PCS_STATE 0xF /* Max events in bitmap to check for */ #define TELEM_PSS_IDLE_EVTS 25 #define TELEM_PSS_IDLE_BLOCKED_EVTS 20 #define TELEM_PSS_S0IX_BLOCKED_EVTS 20 #define TELEM_PSS_S0IX_WAKEUP_EVTS 20 #define TELEM_PSS_LTR_BLOCKING_EVTS 20 #define TELEM_IOSS_DX_D0IX_EVTS 25 #define TELEM_IOSS_PG_EVTS 30 #define TELEM_CHECK_AND_PARSE_EVTS(EVTID, EVTNUM, BUF, EVTLOG, EVTDAT, MASK) { \ if (evtlog[index].telem_evtid == (EVTID)) { \ for (idx = 0; idx < (EVTNUM); idx++) \ (BUF)[idx] = ((EVTLOG) >> (EVTDAT)[idx].bit_pos) & \ (MASK); \ continue; \ } \ } #define TELEM_CHECK_AND_PARSE_CTRS(EVTID, CTR) { \ if (evtlog[index].telem_evtid == (EVTID)) { \ (CTR) = evtlog[index].telem_evtlog; \ continue; \ } \ } static u8 suspend_prep_ok; static u32 suspend_shlw_ctr_temp, suspend_deep_ctr_temp; static u64 suspend_shlw_res_temp, suspend_deep_res_temp; struct telemetry_susp_stats { u32 shlw_ctr; u32 deep_ctr; u64 shlw_res; u64 deep_res; }; /* Bitmap definitions for default counters in APL */ struct telem_pss_idle_stateinfo { const char *name; u32 bit_pos; }; static struct telem_pss_idle_stateinfo telem_apl_pss_idle_data[] = { {"IA_CORE0_C1E", 0}, {"IA_CORE1_C1E", 1}, {"IA_CORE2_C1E", 2}, {"IA_CORE3_C1E", 3}, {"IA_CORE0_C6", 16}, {"IA_CORE1_C6", 17}, {"IA_CORE2_C6", 18}, {"IA_CORE3_C6", 19}, {"IA_MODULE0_C7", 32}, {"IA_MODULE1_C7", 33}, {"GT_RC6", 40}, {"IUNIT_PROCESSING_IDLE", 41}, {"FAR_MEM_IDLE", 43}, {"DISPLAY_IDLE", 44}, {"IUNIT_INPUT_SYSTEM_IDLE", 45}, {"PCS_STATUS", 60}, }; struct telem_pcs_blkd_info { const char *name; u32 bit_pos; }; static struct telem_pcs_blkd_info telem_apl_pcs_idle_blkd_data[] = { {"COMPUTE", 0}, {"MISC", 8}, {"MODULE_ACTIONS_PENDING", 16}, {"LTR", 24}, {"DISPLAY_WAKE", 32}, {"ISP_WAKE", 40}, {"PSF0_ACTIVE", 48}, }; static struct telem_pcs_blkd_info telem_apl_pcs_s0ix_blkd_data[] = { {"LTR", 0}, {"IRTL", 8}, {"WAKE_DEADLINE_PENDING", 16}, {"DISPLAY", 24}, {"ISP", 32}, {"CORE", 40}, {"PMC", 48}, {"MISC", 56}, }; struct telem_pss_ltr_info { const char *name; u32 bit_pos; }; static struct telem_pss_ltr_info telem_apl_pss_ltr_data[] = { {"CORE_ACTIVE", 0}, {"MEM_UP", 8}, {"DFX", 16}, {"DFX_FORCE_LTR", 24}, {"DISPLAY", 32}, {"ISP", 40}, {"SOUTH", 48}, }; struct telem_pss_wakeup_info { const char *name; u32 bit_pos; }; static struct telem_pss_wakeup_info telem_apl_pss_wakeup[] = { {"IP_IDLE", 0}, {"DISPLAY_WAKE", 8}, {"VOLTAGE_REG_INT", 16}, {"DROWSY_TIMER (HOTPLUG)", 24}, {"CORE_WAKE", 32}, {"MISC_S0IX", 40}, {"MISC_ABORT", 56}, }; struct telem_ioss_d0ix_stateinfo { const char *name; u32 bit_pos; }; static struct telem_ioss_d0ix_stateinfo telem_apl_ioss_d0ix_data[] = { {"CSE", 0}, {"SCC2", 1}, {"GMM", 2}, {"XDCI", 3}, {"XHCI", 4}, {"ISH", 5}, {"AVS", 6}, {"PCIE0P1", 7}, {"PECI0P0", 8}, {"LPSS", 9}, {"SCC", 10}, {"PWM", 11}, {"PCIE1_P3", 12}, {"PCIE1_P2", 13}, {"PCIE1_P1", 14}, {"PCIE1_P0", 15}, {"CNV", 16}, {"SATA", 17}, {"PRTC", 18}, }; struct telem_ioss_pg_info { const char *name; u32 bit_pos; }; static struct telem_ioss_pg_info telem_apl_ioss_pg_data[] = { {"LPSS", 0}, {"SCC", 1}, {"P2SB", 2}, {"SCC2", 3}, {"GMM", 4}, {"PCIE0", 5}, {"XDCI", 6}, {"xHCI", 7}, {"CSE", 8}, {"SPI", 9}, {"AVSPGD4", 10}, {"AVSPGD3", 11}, {"AVSPGD2", 12}, {"AVSPGD1", 13}, {"ISH", 14}, {"EXI", 15}, {"NPKVRC", 16}, {"NPKVNN", 17}, {"CUNIT", 18}, {"FUSE_CTRL", 19}, {"PCIE1", 20}, {"CNV", 21}, {"LPC", 22}, {"SATA", 23}, {"SMB", 24}, {"PRTC", 25}, }; struct telemetry_debugfs_conf { struct telemetry_susp_stats suspend_stats; struct dentry *telemetry_dbg_dir; /* Bitmap Data */ struct telem_ioss_d0ix_stateinfo *ioss_d0ix_data; struct telem_pss_idle_stateinfo *pss_idle_data; struct telem_pcs_blkd_info *pcs_idle_blkd_data; struct telem_pcs_blkd_info *pcs_s0ix_blkd_data; struct telem_pss_wakeup_info *pss_wakeup; struct telem_pss_ltr_info *pss_ltr_data; struct telem_ioss_pg_info *ioss_pg_data; u8 pcs_idle_blkd_evts; u8 pcs_s0ix_blkd_evts; u8 pss_wakeup_evts; u8 pss_idle_evts; u8 pss_ltr_evts; u8 ioss_d0ix_evts; u8 ioss_pg_evts; /* IDs */ u16 pss_ltr_blocking_id; u16 pcs_idle_blkd_id; u16 pcs_s0ix_blkd_id; u16 s0ix_total_occ_id; u16 s0ix_shlw_occ_id; u16 s0ix_deep_occ_id; u16 s0ix_total_res_id; u16 s0ix_shlw_res_id; u16 s0ix_deep_res_id; u16 pss_wakeup_id; u16 ioss_d0ix_id; u16 pstates_id; u16 pss_idle_id; u16 ioss_d3_id; u16 ioss_pg_id; }; static struct telemetry_debugfs_conf *debugfs_conf; static struct telemetry_debugfs_conf telem_apl_debugfs_conf = { .pss_idle_data = telem_apl_pss_idle_data, .pcs_idle_blkd_data = telem_apl_pcs_idle_blkd_data, .pcs_s0ix_blkd_data = telem_apl_pcs_s0ix_blkd_data, .pss_ltr_data = telem_apl_pss_ltr_data, .pss_wakeup = telem_apl_pss_wakeup, .ioss_d0ix_data = telem_apl_ioss_d0ix_data, .ioss_pg_data = telem_apl_ioss_pg_data, .pss_idle_evts = ARRAY_SIZE(telem_apl_pss_idle_data), .pcs_idle_blkd_evts = ARRAY_SIZE(telem_apl_pcs_idle_blkd_data), .pcs_s0ix_blkd_evts = ARRAY_SIZE(telem_apl_pcs_s0ix_blkd_data), .pss_ltr_evts = ARRAY_SIZE(telem_apl_pss_ltr_data), .pss_wakeup_evts = ARRAY_SIZE(telem_apl_pss_wakeup), .ioss_d0ix_evts = ARRAY_SIZE(telem_apl_ioss_d0ix_data), .ioss_pg_evts = ARRAY_SIZE(telem_apl_ioss_pg_data), .pstates_id = TELEM_APL_PSS_PSTATES_ID, .pss_idle_id = TELEM_APL_PSS_IDLE_ID, .pcs_idle_blkd_id = TELEM_APL_PCS_IDLE_BLOCKED_ID, .pcs_s0ix_blkd_id = TELEM_APL_PCS_S0IX_BLOCKED_ID, .pss_wakeup_id = TELEM_APL_PSS_WAKEUP_ID, .pss_ltr_blocking_id = TELEM_APL_PSS_LTR_BLOCKING_ID, .s0ix_total_occ_id = TELEM_APL_S0IX_TOTAL_OCC_ID, .s0ix_shlw_occ_id = TELEM_APL_S0IX_SHLW_OCC_ID, .s0ix_deep_occ_id = TELEM_APL_S0IX_DEEP_OCC_ID, .s0ix_total_res_id = TELEM_APL_S0IX_TOTAL_RES_ID, .s0ix_shlw_res_id = TELEM_APL_S0IX_SHLW_RES_ID, .s0ix_deep_res_id = TELEM_APL_S0IX_DEEP_RES_ID, .ioss_d0ix_id = TELEM_APL_D0IX_ID, .ioss_d3_id = TELEM_APL_D3_ID, .ioss_pg_id = TELEM_APL_PG_ID, }; static const struct x86_cpu_id telemetry_debugfs_cpu_ids[] = { X86_MATCH_VFM(INTEL_ATOM_GOLDMONT, &telem_apl_debugfs_conf), X86_MATCH_VFM(INTEL_ATOM_GOLDMONT_PLUS, &telem_apl_debugfs_conf), {} }; MODULE_DEVICE_TABLE(x86cpu, telemetry_debugfs_cpu_ids); static int telemetry_debugfs_check_evts(void) { if ((debugfs_conf->pss_idle_evts > TELEM_PSS_IDLE_EVTS) || (debugfs_conf->pcs_idle_blkd_evts > TELEM_PSS_IDLE_BLOCKED_EVTS) || (debugfs_conf->pcs_s0ix_blkd_evts > TELEM_PSS_S0IX_BLOCKED_EVTS) || (debugfs_conf->pss_ltr_evts > TELEM_PSS_LTR_BLOCKING_EVTS) || (debugfs_conf->pss_wakeup_evts > TELEM_PSS_S0IX_WAKEUP_EVTS) || (debugfs_conf->ioss_d0ix_evts > TELEM_IOSS_DX_D0IX_EVTS) || (debugfs_conf->ioss_pg_evts > TELEM_IOSS_PG_EVTS)) return -EINVAL; return 0; } static int telem_pss_states_show(struct seq_file *s, void *unused) { struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS]; struct telemetry_debugfs_conf *conf = debugfs_conf; const char *name[TELEM_MAX_OS_ALLOCATED_EVENTS]; u32 pcs_idle_blkd[TELEM_PSS_IDLE_BLOCKED_EVTS], pcs_s0ix_blkd[TELEM_PSS_S0IX_BLOCKED_EVTS], pss_s0ix_wakeup[TELEM_PSS_S0IX_WAKEUP_EVTS], pss_ltr_blkd[TELEM_PSS_LTR_BLOCKING_EVTS], pss_idle[TELEM_PSS_IDLE_EVTS]; int index, idx, ret, err = 0; u64 pstates = 0; ret = telemetry_read_eventlog(TELEM_PSS, evtlog, TELEM_MAX_OS_ALLOCATED_EVENTS); if (ret < 0) return ret; err = telemetry_get_evtname(TELEM_PSS, name, TELEM_MAX_OS_ALLOCATED_EVENTS); if (err < 0) return err; seq_puts(s, "\n----------------------------------------------------\n"); seq_puts(s, "\tPSS TELEM EVENTLOG (Residency = field/19.2 us\n"); seq_puts(s, "----------------------------------------------------\n"); for (index = 0; index < ret; index++) { seq_printf(s, "%-32s %llu\n", name[index], evtlog[index].telem_evtlog); /* Fetch PSS IDLE State */ if (evtlog[index].telem_evtid == conf->pss_idle_id) { pss_idle[conf->pss_idle_evts - 1] = (evtlog[index].telem_evtlog >> conf->pss_idle_data[conf->pss_idle_evts - 1].bit_pos) & TELEM_APL_MASK_PCS_STATE; } TELEM_CHECK_AND_PARSE_EVTS(conf->pss_idle_id, conf->pss_idle_evts - 1, pss_idle, evtlog[index].telem_evtlog, conf->pss_idle_data, TELEM_MASK_BIT); TELEM_CHECK_AND_PARSE_EVTS(conf->pcs_idle_blkd_id, conf->pcs_idle_blkd_evts, pcs_idle_blkd, evtlog[index].telem_evtlog, conf->pcs_idle_blkd_data, TELEM_MASK_BYTE); TELEM_CHECK_AND_PARSE_EVTS(conf->pcs_s0ix_blkd_id, conf->pcs_s0ix_blkd_evts, pcs_s0ix_blkd, evtlog[index].telem_evtlog, conf->pcs_s0ix_blkd_data, TELEM_MASK_BYTE); TELEM_CHECK_AND_PARSE_EVTS(conf->pss_wakeup_id, conf->pss_wakeup_evts, pss_s0ix_wakeup, evtlog[index].telem_evtlog, conf->pss_wakeup, TELEM_MASK_BYTE); TELEM_CHECK_AND_PARSE_EVTS(conf->pss_ltr_blocking_id, conf->pss_ltr_evts, pss_ltr_blkd, evtlog[index].telem_evtlog, conf->pss_ltr_data, TELEM_MASK_BYTE); if (evtlog[index].telem_evtid == debugfs_conf->pstates_id) pstates = evtlog[index].telem_evtlog; } seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "PStates\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Domain\t\t\t\tFreq(Mhz)\n"); seq_printf(s, " IA\t\t\t\t %llu\n GT\t\t\t\t %llu\n", (pstates & TELEM_MASK_BYTE)*100, ((pstates >> 8) & TELEM_MASK_BYTE)*50/3); seq_printf(s, " IUNIT\t\t\t\t %llu\n SA\t\t\t\t %llu\n", ((pstates >> 16) & TELEM_MASK_BYTE)*25, ((pstates >> 24) & TELEM_MASK_BYTE)*50/3); seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "PSS IDLE Status\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Device\t\t\t\t\tIDLE\n"); for (index = 0; index < debugfs_conf->pss_idle_evts; index++) { seq_printf(s, "%-32s\t%u\n", debugfs_conf->pss_idle_data[index].name, pss_idle[index]); } seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "PSS Idle blkd Status (~1ms saturating bucket)\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Blocker\t\t\t\t\tCount\n"); for (index = 0; index < debugfs_conf->pcs_idle_blkd_evts; index++) { seq_printf(s, "%-32s\t%u\n", debugfs_conf->pcs_idle_blkd_data[index].name, pcs_idle_blkd[index]); } seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "PSS S0ix blkd Status (~1ms saturating bucket)\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Blocker\t\t\t\t\tCount\n"); for (index = 0; index < debugfs_conf->pcs_s0ix_blkd_evts; index++) { seq_printf(s, "%-32s\t%u\n", debugfs_conf->pcs_s0ix_blkd_data[index].name, pcs_s0ix_blkd[index]); } seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "LTR Blocking Status (~1ms saturating bucket)\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Blocker\t\t\t\t\tCount\n"); for (index = 0; index < debugfs_conf->pss_ltr_evts; index++) { seq_printf(s, "%-32s\t%u\n", debugfs_conf->pss_ltr_data[index].name, pss_ltr_blkd[index]); } seq_puts(s, "\n--------------------------------------\n"); seq_puts(s, "Wakes Status (~1ms saturating bucket)\n"); seq_puts(s, "--------------------------------------\n"); seq_puts(s, "Wakes\t\t\t\t\tCount\n"); for (index = 0; index < debugfs_conf->pss_wakeup_evts; index++) { seq_printf(s, "%-32s\t%u\n", debugfs_conf->pss_wakeup[index].name, pss_s0ix_wakeup[index]); } return 0; } DEFINE_SHOW_ATTRIBUTE(telem_pss_states); static int telem_ioss_states_show(struct seq_file *s, void *unused) { struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS]; const char *name[TELEM_MAX_OS_ALLOCATED_EVENTS]; int index, ret, err; ret = telemetry_read_eventlog(TELEM_IOSS, evtlog, TELEM_MAX_OS_ALLOCATED_EVENTS); if (ret < 0) return ret; err = telemetry_get_evtname(TELEM_IOSS, name, TELEM_MAX_OS_ALLOCATED_EVENTS); if (err < 0) return err; seq_puts(s, "--------------------------------------\n"); seq_puts(s, "\tI0SS TELEMETRY EVENTLOG\n"); seq_puts(s, "--------------------------------------\n"); for (index = 0; index < ret; index++) { seq_printf(s, "%-32s 0x%llx\n", name[index], evtlog[index].telem_evtlog); } return 0; } DEFINE_SHOW_ATTRIBUTE(telem_ioss_states); static int telem_soc_states_show(struct seq_file *s, void *unused) {