/* SPDX-License-Identifier: GPL-2.0-only */ #include #include "me.h" /* HFS1[3:0] Current Working State Values */ static const char *me_cws_values[] = { [ME_HFS_CWS_RESET] = "Reset", [ME_HFS_CWS_INIT] = "Initializing", [ME_HFS_CWS_REC] = "Recovery", [ME_HFS_CWS_NORMAL] = "Normal", [ME_HFS_CWS_WAIT] = "Platform Disable Wait", [ME_HFS_CWS_TRANS] = "OP State Transition", [ME_HFS_CWS_INVALID] = "Invalid CPU Plugged In", }; /* HFS1[8:6] Current Operation State Values */ static const char *me_opstate_values[] = { [ME_HFS_STATE_PREBOOT] = "Preboot", [ME_HFS_STATE_M0_UMA] = "M0 with UMA", [ME_HFS_STATE_M3] = "M3 without UMA", [ME_HFS_STATE_M0] = "M0 without UMA", [ME_HFS_STATE_BRINGUP] = "Bring up", [ME_HFS_STATE_ERROR] = "M0 without UMA but with error" }; /* HFS[19:16] Current Operation Mode Values */ static const char *me_opmode_values[] = { [ME_HFS_MODE_NORMAL] = "Normal", [ME_HFS_MODE_DEBUG] = "Debug", [ME_HFS_MODE_DIS] = "Soft Temporary Disable", [ME_HFS_MODE_OVER_JMPR] = "Security Override via Jumper", [ME_HFS_MODE_OVER_MEI] = "Security Override via MEI Message" }; /* HFS[15:12] Error Code Values */ static const char *me_error_values[] = { [ME_HFS_ERROR_NONE] = "No Error", [ME_HFS_ERROR_UNCAT] = "Uncategorized Failure", [ME_HFS_ERROR_IMAGE] = "Image Failure", [ME_HFS_ERROR_DEBUG] = "Debug Failure" }; /* HFS2[31:28] ME Progress Code */ static const char *me_progress_values[] = { [ME_HFS2_PHASE_ROM] = "ROM Phase", [ME_HFS2_PHASE_BUP] = "BUP Phase", [ME_HFS2_PHASE_UKERNEL] = "uKernel Phase", [ME_HFS2_PHASE_POLICY] = "Policy Module", [ME_HFS2_PHASE_MODULE_LOAD] = "Module Loading", [ME_HFS2_PHASE_UNKNOWN] = "Unknown", [ME_HFS2_PHASE_HOST_COMM] = "Host Communication" }; /* HFS2[27:24] Power Management Event */ static const char *me_pmevent_values[] = { [ME_HFS2_PMEVENT_CLEAN_MOFF_MX_WAKE] = "Clean Moff->Mx wake", [ME_HFS2_PMEVENT_MOFF_MX_WAKE_ERROR] = "Moff->Mx wake after an error", [ME_HFS2_PMEVENT_CLEAN_GLOBAL_RESET] = "Clean global reset", [ME_HFS2_PMEVENT_CLEAN_GLOBAL_RESET_ERROR] = "Global reset after an error", [ME_HFS2_PMEVENT_CLEAN_ME_RESET] = "Clean Intel ME reset", [ME_HFS2_PMEVENT_ME_RESET_EXCEPTION] = "Intel ME reset due to exception", [ME_HFS2_PMEVENT_PSEUDO_ME_RESET] = "Pseudo-global reset", [ME_HFS2_PMEVENT_S0MO_SXM3] = "S0/M0->Sx/M3", [ME_HFS2_PMEVENT_SXM3_S0M0] = "Sx/M3->S0/M0", [ME_HFS2_PMEVENT_NON_PWR_CYCLE_RESET] = "Non-power cycle reset", [ME_HFS2_PMEVENT_PWR_CYCLE_RESET_M3] = "Power cycle reset through M3", [ME_HFS2_PMEVENT_PWR_CYCLE_RESET_MOFF] = "Power cycle reset through Moff", [ME_HFS2_PMEVENT_SXMX_SXMOFF] = "Sx/Mx->Sx/Moff" }; /* Progress Code 0 states */ static const char *me_progress_rom_values[] = { [ME_HFS2_STATE_ROM_BEGIN] = "BEGIN", [ME_HFS2_STATE_ROM_DISABLE] = "DISABLE" }; /* Progress Code 1 states */ static const char *me_progress_bup_values[] = { [ME_HFS2_STATE_BUP_INIT] = "Initialization starts", [ME_HFS2_STATE_BUP_DIS_HOST_WAKE] = "Disable the host wake event", [ME_HFS2_STATE_BUP_FLOW_DET] = "Flow determination start process", [ME_HFS2_STATE_BUP_VSCC_ERR] = "Error reading/matching the VSCC table in the descriptor", [ME_HFS2_STATE_BUP_CHECK_STRAP] = "Check to see if straps say ME DISABLED", [ME_HFS2_STATE_BUP_PWR_OK_TIMEOUT] = "Timeout waiting for PWROK", [ME_HFS2_STATE_BUP_MANUF_OVRD_STRAP] = "Possibly handle BUP manufacturing override strap", [ME_HFS2_STATE_BUP_M3] = "Bringup in M3", [ME_HFS2_STATE_BUP_M0] = "Bringup in M0", [ME_HFS2_STATE_BUP_FLOW_DET_ERR] = "Flow detection error", [ME_HFS2_STATE_BUP_M3_CLK_ERR] = "M3 clock switching error", [ME_HFS2_STATE_BUP_CPU_RESET_DID_TIMEOUT_MEM_MISSING] = "Host error - CPU reset timeout, DID timeout, memory missing", [ME_HFS2_STATE_BUP_M3_KERN_LOAD] = "M3 kernel load", [ME_HFS2_STATE_BUP_T32_MISSING] = "T34 missing - cannot program ICC", [ME_HFS2_STATE_BUP_WAIT_DID] = "Waiting for DID BIOS message", [ME_HFS2_STATE_BUP_WAIT_DID_FAIL] = "Waiting for DID BIOS message failure", [ME_HFS2_STATE_BUP_DID_NO_FAIL] = "DID reported no error", [ME_HFS2_STATE_BUP_ENABLE_UMA] = "Enabling UMA", [ME_HFS2_STATE_BUP_ENABLE_UMA_ERR] = "Enabling UMA error", [ME_HFS2_STATE_BUP_SEND_DID_ACK] = "Sending DID Ack to BIOS", [ME_HFS2_STATE_BUP_SEND_DID_ACK_ERR] = "Sending DID Ack to BIOS error", [ME_HFS2_STATE_BUP_M0_CLK] = "Switching clocks in M0", [ME_HFS2_STATE_BUP_M0_CLK_ERR] = "Switching clocks in M0 error", [ME_HFS2_STATE_BUP_TEMP_DIS] = "ME in temp disable", [ME_HFS2_STATE_BUP_M0_KERN_LOAD] = "M0 kernel load", }; /* Progress Code 3 states */ static const char *me_progress_policy_values[] = { [ME_HFS2_STATE_POLICY_ENTRY] = "Entry into Policy Module", [ME_HFS2_STATE_POLICY_RCVD_S3] = "Received S3 entry", [ME_HFS2_STATE_POLICY_RCVD_S4] = "Received S4 entry", [ME_HFS2_STATE_POLICY_RCVD_S5] = "Received S5 entry", [ME_HFS2_STATE_POLICY_RCVD_UPD] = "Received UPD entry", [ME_HFS2_STATE_POLICY_RCVD_PCR] = "Received PCR entry", [ME_HFS2_STATE_POLICY_RCVD_NPCR] = "Received NPCR entry", [ME_HFS2_STATE_POLICY_RCVD_HOST_WAKE] = "Received host wake", [ME_HFS2_STATE_POLICY_RCVD_AC_DC] = "Received AC<>DC switch", [ME_HFS2_STATE_POLICY_RCVD_DID] = "Received DRAM Init Done", [ME_HFS2_STATE_POLICY_VSCC_NOT_FOUND] = "VSCC Data not found for flash device", [ME_HFS2_STATE_POLICY_VSCC_INVALID] = "VSCC Table is not valid", [ME_HFS2_STATE_POLICY_FPB_ERR] = "Flash Partition Boundary is outside address space", [ME_HFS2_STATE_POLICY_DESCRIPTOR_ERR] = "ME cannot access the chipset descriptor region", [ME_HFS2_STATE_POLICY_VSCC_NO_MATCH] = "Required VSCC values for flash parts do not match", }; void intel_me_status(struct me_hfs *hfs, struct me_hfs2 *hfs2) { if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL < BIOS_DEBUG) return; /* Check Current States */ printk(BIOS_DEBUG, "ME: FW Partition Table : %s\n", hfs->fpt_bad ? "BAD" : "OK"); printk(BIOS_DEBUG, "ME: Bringup Loader Failure : %s\n", hfs->ft_bup_ld_flr ? "YES" : "NO"); printk(BIOS_DEBUG, "ME: Firmware Init Complete : %s\n", hfs->fw_init_complete ? "YES" : "NO"); printk(BIOS_DEBUG, "ME: Manufacturing Mode : %s\n", hfs->mfg_mode ? "YES" : "NO"); printk(BIOS_DEBUG, "ME: Boot Options Present : %s\n", hfs->boot_options_present ? "YES" : "NO"); printk(BIOS_DEBUG, "ME: Update In Progress : %s\n", hfs->update_in_progress ? "YES" : "NO"); printk(BIOS_DEBUG, "ME: Current Working State : %s\n", me_cws_values[hfs->working_state]); printk(BIOS_DEBUG, "ME: Current Operation State : %s\n", me_opstate_values[hfs->operation_state]); printk(BIOS_DEBUG, "ME: Current Operation Mode : %s\n", me_opmode_values[hfs->operation_mode]); printk(BIOS_DEBUG, "ME: Error Code : %s\n", me_error_values[hfs->error_code]); printk(BIOS_DEBUG, "ME: Progress Phase : %s\n", me_progress_values[hfs2->progress_code]); printk(BIOS_DEBUG, "ME: Power Management Event : %s\n", me_pmevent_values[hfs2->current_pmevent]); printk(BIOS_DEBUG, "ME: Progress Phase State : "); switch (hfs2->progress_code) { case ME_HFS2_PHASE_ROM: /* ROM Phase */ printk(BIOS_DEBUG, "%s", me_progress_rom_values[hfs2->current_state]); break; case ME_HFS2_PHASE_BUP: /* Bringup Phase */ if (hfs2->current_state < ARRAY_SIZE(me_progress_bup_values) && me_progress_bup_values[hfs2->current_state]) printk(BIOS_DEBUG, "%s", me_progress_bup_values[hfs2->current_state]); else printk(BIOS_DEBUG, "0x%02x", hfs2->current_state); break; case ME_HFS2_PHASE_POLICY: /* Policy Module Phase */ if (hfs2->current_state < ARRAY_SIZE(me_progress_policy_values) && me_progress_policy_values[hfs2->current_state]) printk(BIOS_DEBUG, "%s", me_progress_policy_values[hfs2->current_state]); else printk(BIOS_DEBUG, "0x%02x", hfs2->current_state); break; case ME_HFS2_PHASE_HOST_COMM: /* Host Communication Phase */ if (!hfs2->current_state) printk(BIOS_DEBUG, "Host communication established"); else printk(BIOS_DEBUG, "0x%02x", hfs2->current_state); break; default: printk(BIOS_DEBUG, "Unknown phase: 0x%02x state: 0x%02x", hfs2->progress_code, hfs2->current_state); } printk(BIOS_DEBUG, "\n"); }