From 98a238406ff5765cc6db3e61ba787c27144dad1d Mon Sep 17 00:00:00 2001 From: Matthew Barth Date: Mon, 8 Aug 2016 15:26:29 -0500 Subject: Switch C++ source files to .cpp extension Change-Id: I495186b4afd58ec1e5d9d5c6472394f96541d17d Signed-off-by: Matthew Barth --- ipmisensor.cpp | 302 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 302 insertions(+) create mode 100644 ipmisensor.cpp (limited to 'ipmisensor.cpp') diff --git a/ipmisensor.cpp b/ipmisensor.cpp new file mode 100644 index 0000000..b6927ac --- /dev/null +++ b/ipmisensor.cpp @@ -0,0 +1,302 @@ +#include +#include +#include +#include +#include +#include "sensorhandler.h" + +extern uint8_t find_sensor(uint8_t); + + +struct sensorRES_t { + uint8_t sensor_number; + uint8_t operation; + uint8_t sensor_reading; + uint8_t assert_state7_0; + uint8_t assert_state14_8; + uint8_t deassert_state7_0; + uint8_t deassert_state14_8; + uint8_t event_data1; + uint8_t event_data2; + uint8_t event_data3; +} __attribute__ ((packed)); + +#define ISBITSET(x,y) (((x)>>(y))&0x01) +#define ASSERTINDEX 0 +#define DEASSERTINDEX 1 + +// Sensor Type, Offset, function handler, Dbus Method, Assert value, Deassert value +struct lookup_t { + uint8_t sensor_type; + uint8_t offset; + int (*func)(const sensorRES_t *, const lookup_t *, const char *); + char member[16]; + char assertion[64]; + char deassertion[64]; +}; + +extern int updateDbusInterface(uint8_t , const char *, const char *); +extern int find_openbmc_path(const char *, const uint8_t , dbus_interface_t *) ; + + +int set_sensor_dbus_state_simple(const sensorRES_t *pRec, const lookup_t *pTable, const char *value) { + + return set_sensor_dbus_state_s(pRec->sensor_number, + pTable->member, + value); +} + +struct event_data_t { + uint8_t data; + char text[64]; +}; + +event_data_t g_fwprogress02h[] = { + {0x00, "Unspecified"}, + {0x01, "Memory Init"}, + {0x02, "HD Init"}, + {0x03, "Secondary Proc Init"}, + {0x04, "User Authentication"}, + {0x05, "User init system setup"}, + {0x06, "USB configuration"}, + {0x07, "PCI configuration"}, + {0x08, "Option ROM Init"}, + {0x09, "Video Init"}, + {0x0A, "Cache Init"}, + {0x0B, "SM Bus init"}, + {0x0C, "Keyboard Init"}, + {0x0D, "Embedded ctrl init"}, + {0x0E, "Docking station attachment"}, + {0x0F, "Enable docking station"}, + {0x10, "Docking station ejection"}, + {0x11, "Disabling docking station"}, + {0x12, "Calling OS Wakeup"}, + {0x13, "Starting OS"}, + {0x14, "Baseboard Init"}, + {0x15, ""}, + {0x16, "Floppy Init"}, + {0x17, "Keyboard Test"}, + {0x18, "Pointing Device Test"}, + {0x19, "Primary Proc Init"}, + {0xFF, "Unknown"} +}; + +event_data_t g_fwprogress00h[] = { + {0x00, "Unspecified."}, + {0x01, "No system memory detected"}, + {0x02, "No usable system memory"}, + {0x03, "Unrecoverable hard-disk/ATAPI/IDE"}, + {0x04, "Unrecoverable system-board"}, + {0x05, "Unrecoverable diskette"}, + {0x06, "Unrecoverable hard-disk controller"}, + {0x07, "Unrecoverable PS/2 or USB keyboard"}, + {0x08, "Removable boot media not found"}, + {0x09, "Unrecoverable video controller"}, + {0x0A, "No video device detected"}, + {0x0B, "Firmware ROM corruption detected"}, + {0x0C, "CPU voltage mismatch"}, + {0x0D, "CPU speed matching"}, + {0xFF, "unknown"}, +}; + + +char *event_data_lookup(event_data_t *p, uint8_t b) { + + while(p->data != 0xFF) { + if (p->data == b) { + break; + } + p++; + } + + return p->text; +} + + + +// The fw progress sensor contains some additional information that needs to be processed +// prior to calling the dbus code. +int set_sensor_dbus_state_fwprogress(const sensorRES_t *pRec, const lookup_t *pTable, const char *value) { + + char valuestring[128]; + char* p = valuestring; + + switch (pTable->offset) { + + case 0x00 : snprintf(p, sizeof(valuestring), "POST Error, %s", event_data_lookup(g_fwprogress00h, pRec->event_data2)); + break; + case 0x01 : /* Using g_fwprogress02h for 0x01 because thats what the ipmi spec says to do */ + snprintf(p, sizeof(valuestring), "FW Hang, %s", event_data_lookup(g_fwprogress02h, pRec->event_data2)); + break; + case 0x02 : snprintf(p, sizeof(valuestring), "FW Progress, %s", event_data_lookup(g_fwprogress02h, pRec->event_data2)); + break; + default : snprintf(p, sizeof(valuestring), "Internal warning, fw_progres offset unknown (0x%02x)", pTable->offset); + break; + } + + return set_sensor_dbus_state_s(pRec->sensor_number, + pTable->member, + p); +} + +// Handling this special OEM sensor by coping what is in byte 4. I also think that is odd +// considering byte 3 is for sensor reading. This seems like a misuse of the IPMI spec +int set_sensor_dbus_state_osbootcount(const sensorRES_t *pRec, const lookup_t *pTable, const char *value) { + return set_sensor_dbus_state_y(pRec->sensor_number, + "setValue", + pRec->assert_state7_0); +} + +int set_sensor_dbus_state_system_event(const sensorRES_t *pRec, const lookup_t *pTable, const char *value) { + char valuestring[128]; + char* p = valuestring; + + switch (pTable->offset) { + + case 0x00 : snprintf(p, sizeof(valuestring), "System Reconfigured"); + break; + case 0x01 : snprintf(p, sizeof(valuestring), "OEM Boot Event"); + break; + case 0x02 : snprintf(p, sizeof(valuestring), "Undetermine System Hardware Failure"); + break; + case 0x03 : snprintf(p, sizeof(valuestring), "System Failure see error log for more details (0x%02x)", pRec->event_data2); + break; + case 0x04 : snprintf(p, sizeof(valuestring), "System Failure see PEF error log for more details (0x%02x)", pRec->event_data2); + break; + default : snprintf(p, sizeof(valuestring), "Internal warning, system_event offset unknown (0x%02x)", pTable->offset); + break; + } + + return set_sensor_dbus_state_s(pRec->sensor_number, + pTable->member, + p); +} + + +// This table lists only senors we care about telling dbus about. +// Offset definition cab be found in section 42.2 of the IPMI 2.0 +// spec. Add more if/when there are more items of interest. +lookup_t g_ipmidbuslookup[] = { + + {0xe9, 0x00, set_sensor_dbus_state_simple, "setValue", "Disabled", ""}, // OCC Inactive 0 + {0xe9, 0x01, set_sensor_dbus_state_simple, "setValue", "Enabled", ""}, // OCC Active 1 + {0x07, 0x07, set_sensor_dbus_state_simple, "setPresent", "True", "False"}, + {0x07, 0x08, set_sensor_dbus_state_simple, "setFault", "True", "False"}, + {0x0C, 0x06, set_sensor_dbus_state_simple, "setPresent", "True", "False"}, + {0x0C, 0x04, set_sensor_dbus_state_simple, "setFault", "True", "False"}, + {0x0F, 0x02, set_sensor_dbus_state_fwprogress, "setValue", "True", "False"}, + {0x0F, 0x01, set_sensor_dbus_state_fwprogress, "setValue", "True", "False"}, + {0x0F, 0x00, set_sensor_dbus_state_fwprogress, "setValue", "True", "False"}, + {0xC7, 0x01, set_sensor_dbus_state_simple, "setFault", "True", "False"}, + {0xc3, 0x00, set_sensor_dbus_state_osbootcount, "setValue", "" ,""}, + {0x1F, 0x00, set_sensor_dbus_state_simple, "setValue", "Boot completed (00)", ""}, + {0x1F, 0x01, set_sensor_dbus_state_simple, "setValue", "Boot completed (01)", ""}, + {0x1F, 0x02, set_sensor_dbus_state_simple, "setValue", "PXE boot completed", ""}, + {0x1F, 0x03, set_sensor_dbus_state_simple, "setValue", "Diagnostic boot completed", ""}, + {0x1F, 0x04, set_sensor_dbus_state_simple, "setValue", "CD-ROM boot completed", ""}, + {0x1F, 0x05, set_sensor_dbus_state_simple, "setValue", "ROM boot completed", ""}, + {0x1F, 0x06, set_sensor_dbus_state_simple, "setValue", "Boot completed (06)", ""}, + {0x12, 0x00, set_sensor_dbus_state_system_event, "setValue", "", ""}, + {0x12, 0x01, set_sensor_dbus_state_system_event, "setValue", "", ""}, + {0x12, 0x02, set_sensor_dbus_state_system_event, "setValue", "", ""}, + {0x12, 0x03, set_sensor_dbus_state_system_event, "setValue", "", ""}, + {0x12, 0x04, set_sensor_dbus_state_system_event, "setValue", "", ""}, + + {0xFF, 0xFF, NULL, "", "", ""} +}; + + +void reportSensorEventAssert(sensorRES_t *pRec, int index) { + lookup_t *pTable = &g_ipmidbuslookup[index]; + (*pTable->func)(pRec, pTable, pTable->assertion); +} +void reportSensorEventDeassert(sensorRES_t *pRec, int index) { + lookup_t *pTable = &g_ipmidbuslookup[index]; + (*pTable->func)(pRec, pTable, pTable->deassertion); +} + + +int findindex(const uint8_t sensor_type, int offset, int *index) { + + int i=0, rc=0; + lookup_t *pTable = g_ipmidbuslookup; + + do { + if ( ((pTable+i)->sensor_type == sensor_type) && + ((pTable+i)->offset == offset) ) { + rc = 1; + *index = i; + break; + } + i++; + } while ((pTable+i)->sensor_type != 0xFF); + + return rc; +} + +void debug_print_ok_to_dont_care(uint8_t stype, int offset) +{ + printf("LOOKATME: Sensor should not be reported: Type 0x%02x, Offset 0x%02x\n", + stype, offset); +} + +bool shouldReport(uint8_t sensorType, int offset, int *index) { + + bool rc = false; + + if (findindex(sensorType, offset, index)) { rc = true; } + + if (rc==false) { debug_print_ok_to_dont_care(sensorType, offset); } + + return rc; +} + + +int updateSensorRecordFromSSRAESC(const void *record) { + + sensorRES_t *pRec = (sensorRES_t *) record; + uint8_t stype; + int index, i=0; + + stype = find_sensor(pRec->sensor_number); + + // 0xC3 types use the assertion7_0 for the value to be set + // so skip the reseach and call the correct event reporting + // function + if (stype == 0xC3) { + + shouldReport(stype, 0x00, &index); + reportSensorEventAssert(pRec, index); + + } else { + // Scroll through each bit position . Determine + // if any bit is either asserted or Deasserted. + for(i=0;i<8;i++) { + + if ((ISBITSET(pRec->assert_state7_0,i)) && + (shouldReport(stype, i, &index))) + { + reportSensorEventAssert(pRec, index); + } + if ((ISBITSET(pRec->assert_state14_8,i)) && + (shouldReport(stype, i+8, &index))) + { + reportSensorEventAssert(pRec, index); + } + if ((ISBITSET(pRec->deassert_state7_0,i)) && + (shouldReport(stype, i, &index))) + { + reportSensorEventDeassert(pRec, index); + } + if ((ISBITSET(pRec->deassert_state14_8,i)) && + (shouldReport(stype, i+8, &index))) + { + reportSensorEventDeassert(pRec, index); + } + } + + } + + + return 0; +} -- cgit v1.2.1