diff options
Diffstat (limited to 'meta-facebook/meta-yosemite/recipes-yosemite/front-paneld')
4 files changed, 530 insertions, 0 deletions
diff --git a/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/files/Makefile b/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/files/Makefile new file mode 100644 index 0000000..c542230 --- /dev/null +++ b/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/files/Makefile @@ -0,0 +1,10 @@ +# Copyright 2015-present Facebook. All Rights Reserved. +all: front-paneld + +front-paneld: front-paneld.c + $(CC) -pthread -lpal -lbic -std=c99 -o $@ $^ $(LDFLAGS) + +.PHONY: clean + +clean: + rm -rf *.o front-paneld diff --git a/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/files/front-paneld.c b/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/files/front-paneld.c new file mode 100644 index 0000000..03849cd --- /dev/null +++ b/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/files/front-paneld.c @@ -0,0 +1,460 @@ +/* + * + * Copyright 2015-present Facebook. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <syslog.h> +#include <string.h> +#include <pthread.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <time.h> +#include <openbmc/ipmi.h> +#include <openbmc/ipmb.h> +#include <openbmc/pal.h> + +#define BTN_MAX_SAMPLES 200 +#define MAX_NUM_SLOTS 4 + +// Helper function for msleep +void +msleep(int msec) { + struct timespec req; + + req.tv_sec = 0; + req.tv_nsec = msec * 1000 * 1000; + + while(nanosleep(&req, &req) == -1 && errno == EINTR) { + continue; + } +} + +// Thread for monitoring debug card hotswap +static void * +debug_card_handler() { + int curr = -1; + int prev = -1; + uint8_t prsnt; + uint8_t pos; + uint8_t lpc; + int i, ret; + + while (1) { + // Check if debug card present or not + ret = pal_is_debug_card_prsnt(&prsnt); + if (ret) { + goto debug_card_out; + } + + curr = prsnt; + if (curr == prev) { + // No state change, continue + goto debug_card_out; + } + + if (curr) { + syslog(LOG_ALERT, "Debug Card Insertion\n"); + // Get current position of hand switch + ret = pal_get_hand_sw(&pos); + if (ret) { + goto debug_card_out; + } + + // Switch USB mux based on hand switch + ret = pal_switch_usb_mux(pos); + if (ret) { + goto debug_card_out; + } + // Switch UART mux based on hand switch + ret = pal_switch_uart_mux(pos); + if (ret) { + goto debug_card_out; + } + + // Enable POST code based on hand switch + if (pos == HAND_SW_BMC) { + // For BMC, there is no need to have POST specific code + goto debug_card_done; + } + + // Make sure the server at selected position is present + ret = pal_is_server_prsnt(pos, &prsnt); + if (ret || !prsnt) { + goto debug_card_done; + } + + // Enable POST codes for all slots + ret = pal_post_enable(pos); + if (ret) { + goto debug_card_out; + } + + // Get last post code and display it + ret = pal_post_get_last(pos, &lpc); + if (ret) { + goto debug_card_out; + } + + ret = pal_post_handle(pos, lpc); + if (ret) { + goto debug_card_out; + } + } else { + syslog(LOG_ALERT, "Debug Card Extraction\n"); + // Switch UART mux to BMC + ret = pal_switch_uart_mux(HAND_SW_BMC); + if (ret) { + goto debug_card_out; + } + } +debug_card_done: + prev = curr; +debug_card_out: + sleep(1); + } +} + +// Thread to monitor the hand switch +static void * +hand_sw_handler() { + int curr = -1; + int prev = -1; + int ret; + uint8_t pos; + uint8_t prsnt; + uint8_t lpc; + + while (1) { + // Get the current hand switch position + ret = pal_get_hand_sw(&pos); + if (ret) { + goto hand_sw_out; + } + curr = pos; + if (curr == prev) { + // No state change, continue; + goto hand_sw_out; + } + + // Switch USB Mux to selected server + ret = pal_switch_usb_mux(pos); + if (ret) { + goto hand_sw_out; + } + + // If Debug Card is present, update UART MUX + ret = pal_is_debug_card_prsnt(&prsnt); + if (ret) { + goto hand_sw_out; + } + + if (prsnt) { + // Switch UART mux based on position + ret = pal_switch_uart_mux(pos); + if (ret) { + goto hand_sw_out; + } + + if (pos == HAND_SW_BMC) { + // For BMC, there is no need for POST enable/disable code + goto hand_sw_done; + } + + ret = pal_is_server_prsnt(pos, &prsnt); + if (ret || !prsnt) { + // Server at chosen position is not present + goto hand_sw_done; + } + + // Enable post for the chosen server + ret = pal_post_enable(pos); + if (ret) { + goto hand_sw_out; + } + + // Get last post code and display it + ret = pal_post_get_last(pos, &lpc); + if (ret) { + goto hand_sw_out; + } + + ret = pal_post_handle(pos, lpc); + if (ret) { + goto hand_sw_out; + } + } +hand_sw_done: + prev = curr; +hand_sw_out: + sleep(1); + continue; + } +} + +// Thread to monitor Reset Button and propagate to selected server +static void * +rst_btn_handler() { + int ret; + uint8_t pos; + int i; + uint8_t btn; + + while (1) { + // Check the position of hand switch + ret = pal_get_hand_sw(&pos); + if (ret || pos == HAND_SW_BMC) { + // For BMC, no need to handle Reset Button + sleep (1); + continue; + } + + // Check if reset button is pressed + ret = pal_get_rst_btn(&btn); + if (ret || !btn) { + goto rst_btn_out; + } + + // Pass the reset button to the selected slot + syslog(LOG_ALERT, "reset button pressed\n"); + ret = pal_set_rst_btn(pos, 0); + if (ret) { + goto rst_btn_out; + } + + // Wait for the button to be released + for (i = 0; i < BTN_MAX_SAMPLES; i++) { + ret = pal_get_rst_btn(&btn); + if (ret || btn) { + msleep(100); + continue; + } + syslog(LOG_ALERT, "Reset button released\n"); + ret = pal_set_rst_btn(pos, 1); + goto rst_btn_out; + } + + // handle error case + if (i == BTN_MAX_SAMPLES) { + syslog(LOG_ALERT, "Reset button seems to stuck for long time\n"); + goto rst_btn_out; + } +rst_btn_out: + msleep(100); + } +} + +// Thread to handle Power Button and power on/off the selected server +static void * +pwr_btn_handler() { + int ret; + uint8_t pos, btn; + int i; + uint8_t power; + + while (1) { + // Check the position of hand switch + ret = pal_get_hand_sw(&pos); + if (ret || pos == HAND_SW_BMC) { + sleep(1); + continue; + } + + // Check if power button is pressed + ret = pal_get_pwr_btn(&btn); + if (ret || !btn) { + goto pwr_btn_out; + } + + syslog(LOG_ALERT, "power button pressed\n"); + + // Wait for the button to be released + for (i = 0; i < BTN_MAX_SAMPLES; i++) { + ret = pal_get_pwr_btn(&btn); + if (ret || btn ) { + msleep(100); + continue; + } + syslog(LOG_ALERT, "power button released\n"); + break; + } + + // handle error case + if (i == BTN_MAX_SAMPLES) { + syslog(LOG_ALERT, "Power button seems to stuck for long time\n"); + goto pwr_btn_out; + } + + // Get the current power state (power on vs. power off) + ret = pal_get_server_power(pos, &power); + if (ret) { + goto pwr_btn_out; + } + + // Reverse the power state of the given server + ret = pal_set_server_power(pos, !power); +pwr_btn_out: + msleep(100); + } +} + +// Thread to handle LED state of the server at given slot +static void * +led_handler(void *num) { + int ret; + uint8_t prsnt; + uint8_t power; + uint8_t pos; + uint8_t ident; + uint8_t led_blink; + int led_on_time, led_off_time; + + uint8_t slot = (*(int*) num) + 1; + + syslog(LOG_INFO, "led_handler for slot %d\n", slot); + + ret = pal_is_server_prsnt(slot, &prsnt); + if (ret || !prsnt) { + // Turn off led and exit + ret = pal_set_led(slot, 0); + goto led_handler_exit; + } + + while (1) { + // Get power status for this slot + ret = pal_get_server_power(slot, &power); + if (ret) { + sleep(1); + continue; + } + + // Get hand switch position to see if this is selected server + ret = pal_get_hand_sw(&pos); + if (ret) { + sleep(1); + continue; + } + + if (pos == slot) { + // This server is selcted one, set ident flag + ident = 1; + } else { + ident = 0; + } + + // Update LED based on current state + if (ident) { + // If this is selected server the blink flag is one + led_blink = 1; + // update the blink rate based on power state + if (power) { + led_on_time = 900; + led_off_time = 100; + } else { + led_on_time = 100; + led_off_time = 900; + } + } else { + // This server is not selected one + led_blink = 0; + } + + if (!led_blink) { + // Set the led state based on power state + ret = pal_set_led(slot, power); + goto led_handler_out; + } + + // Since this is selected slot, start blinking the LED + ret = pal_set_led(slot, 1); + if (ret) { + goto led_handler_out; + } + + msleep(led_on_time); + + ret = pal_set_led(slot, 0); + if (ret) { + goto led_handler_out; + } + + msleep(led_off_time); +led_handler_out: + msleep(100); + } + +led_handler_exit: + free(num); +} + +int +main (int argc, char * const argv[]) { + pthread_t tid_hand_sw; + pthread_t tid_debug_card; + pthread_t tid_rst_btn; + pthread_t tid_pwr_btn; + pthread_t tid_leds[MAX_NUM_SLOTS]; + int i; + int *ip; + + daemon(1, 0); + openlog("front-paneld", LOG_CONS, LOG_DAEMON); + + if (pthread_create(&tid_debug_card, NULL, debug_card_handler, NULL) < 0) { + syslog(LOG_ALERT, "pthread_create for debug card error\n"); + exit(1); + } + + if (pthread_create(&tid_hand_sw, NULL, hand_sw_handler, NULL) < 0) { + syslog(LOG_ALERT, "pthread_create for hand switch error\n"); + exit(1); + } + + if (pthread_create(&tid_rst_btn, NULL, rst_btn_handler, NULL) < 0) { + syslog(LOG_ALERT, "pthread_create for reset button error\n"); + exit(1); + } + + if (pthread_create(&tid_pwr_btn, NULL, pwr_btn_handler, NULL) < 0) { + syslog(LOG_ALERT, "pthread_create for power button error\n"); + exit(1); + } + + for (i = 0; i < MAX_NUM_SLOTS; i++) { + ip = malloc(sizeof(int)); + *ip = i; + if (pthread_create(&tid_leds[i], NULL, led_handler, (void*)ip) < 0) { + syslog(LOG_ALERT, "pthread_create for hand switch error\n"); + exit(1); + } + } + + pthread_join(tid_debug_card, NULL); + pthread_join(tid_hand_sw, NULL); + pthread_join(tid_rst_btn, NULL); + pthread_join(tid_pwr_btn, NULL); + for (i = 0; i < MAX_NUM_SLOTS; i++) { + pthread_join(tid_leds[i], NULL); + } + + return 0; +} diff --git a/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/files/setup-front-paneld.sh b/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/files/setup-front-paneld.sh new file mode 100644 index 0000000..7055cc0 --- /dev/null +++ b/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/files/setup-front-paneld.sh @@ -0,0 +1,16 @@ +#!/bin/sh +# +# Copyright 2015-present Facebook. All Rights Reserved. +# +### BEGIN INIT INFO +# Provides: setup-front-paneld +# Required-Start: +# Required-Stop: +# Default-Start: S +# Default-Stop: +# Short-Description: Start front panel control daemon +### END INIT INFO + +echo -n "Setup Front Panel Daemon.." + /usr/local/bin/front-paneld > /dev/null 2>&1 & +echo "done." diff --git a/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/front-paneld_0.1.bb b/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/front-paneld_0.1.bb new file mode 100644 index 0000000..26db659 --- /dev/null +++ b/meta-facebook/meta-yosemite/recipes-yosemite/front-paneld/front-paneld_0.1.bb @@ -0,0 +1,44 @@ +# Copyright 2015-present Facebook. All Rights Reserved. + +SUMMARY = "Front Panel Control Daemon" +DESCRIPTION = "Daemon to monitor and control the front panel " +SECTION = "base" +PR = "r1" +LICENSE = "GPLv2" +LIC_FILES_CHKSUM = "file://front-paneld.c;beginline=5;endline=17;md5=da35978751a9d71b73679307c4d296ec" + + +DEPENDS_append = "libpal libbic update-rc.d-native" + +SRC_URI = "file://Makefile \ + file://setup-front-paneld.sh \ + file://front-paneld.c \ + " + +S = "${WORKDIR}" + +binfiles = "front-paneld" + +pkgdir = "front-paneld" + +do_install() { + dst="${D}/usr/local/fbpackages/${pkgdir}" + bin="${D}/usr/local/bin" + install -d $dst + install -d $bin + install -m 755 front-paneld ${dst}/front-paneld + ln -snf ../fbpackages/${pkgdir}/front-paneld ${bin}/front-paneld + install -d ${D}${sysconfdir}/init.d + install -d ${D}${sysconfdir}/rcS.d + install -m 755 setup-front-paneld.sh ${D}${sysconfdir}/init.d/setup-front-paneld.sh + update-rc.d -r ${D} setup-front-paneld.sh start 67 S . +} + +FBPACKAGEDIR = "${prefix}/local/fbpackages" + +FILES_${PN} = "${FBPACKAGEDIR}/front-paneld ${prefix}/local/bin ${sysconfdir} " + +# Inhibit complaints about .debug directories: + +INHIBIT_PACKAGE_DEBUG_SPLIT = "1" +INHIBIT_PACKAGE_STRIP = "1" |
