diff --git a/src/arch/i386/interface/pcbios/apm.c b/src/arch/i386/interface/pcbios/apm.c new file mode 100644 index 00000000..3b13e1cd --- /dev/null +++ b/src/arch/i386/interface/pcbios/apm.c @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2013 Marin Hannache . + * + * 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 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., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +/** + * @file + * + * Advanced Power Management + * + */ + +#include +#include +#include + +/** + * Power off the computer using APM + * + * @ret rc Return status code + */ +static int apm_poweroff ( void ) { + uint16_t apm_version; + uint16_t apm_signature; + uint16_t apm_flags; + uint16_t carry; + + /* APM check */ + __asm__ __volatile__ ( REAL_CODE ( "int $0x15\n\t" + "adc %%edx,0\n\t" ) + : "=a" ( apm_version ), "=b" ( apm_signature ), + "=c" ( apm_flags ), "=d" ( carry ) + : "a" ( 0x5300 ), "b" ( 0x0000 ), + "d" ( 0x0000 ) ); + if ( carry ) { + DBG ( "APM not present\n" ); + return -ENOTSUP; + } + if ( apm_signature != 0x504d ) { /* signature 'PM' */ + DBG ( "APM not present\n" ); + return -ENOTSUP; + } + if ( apm_version < 0x0101 ) { /* Need version 1.1+ */ + DBG ( "APM 1.1+ not supported\n" ); + return -ENOTSUP; + } + if ( ( apm_flags & 0x8 ) == 0x8 ) { + DBG ( "APM power management disabled\n" ); + return -EPERM; + } + DBG2 ( "APM check completed\n" ); + + /* APM initialisation */ + __asm__ __volatile__ ( REAL_CODE ( "int $0x15\n\t" + "adc %%edx,0\n\t" ) + : "=d" ( carry ) + : "a" ( 0x5301 ), "b" ( 0x0000 ), + "d" ( 0x0000 ) ); + if ( carry ) { + DBG ( "APM initialisation failed\n" ); + return -EIO; + } + DBG2 ( "APM initialisation completed\n" ); + + /* Set APM driver version */ + __asm__ __volatile__ ( REAL_CODE ( "int $0x15\n\t" + "adc %%edx,0\n\t" ) + : "=d" ( carry ) + : "a" ( 0x530e ), "b" ( 0x0000 ), + "c" ( 0x0101 ), "d" ( 0x0000 ) ); + if ( carry ) { + DBG ( "APM setting driver version failed\n" ); + return -EIO; + } + DBG2 ( "APM driver version set\n" ); + + /* Setting power state to off */ + __asm__ __volatile__ ( REAL_CODE ( "int $0x15\n\t" + "adc %%edx,0\n\t" ) + : "=d" ( carry ) + : "a" ( 0x5307 ), "b" ( 0x0001 ), + "c" ( 0x0003 ), "d" ( 0x0000) ); + if ( carry ) { + DBG ( "APM setting power state failed\n" ); + return -ENOTTY; + } + + /* Should never happen */ + return -ECANCELED; +} + +PROVIDE_REBOOT ( pcbios, poweroff, apm_poweroff ); diff --git a/src/arch/x86/include/bits/errfile.h b/src/arch/x86/include/bits/errfile.h index 5f676c87..bfd22385 100644 --- a/src/arch/x86/include/bits/errfile.h +++ b/src/arch/x86/include/bits/errfile.h @@ -19,6 +19,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); #define ERRFILE_vmware ( ERRFILE_ARCH | ERRFILE_CORE | 0x00080000 ) #define ERRFILE_guestrpc ( ERRFILE_ARCH | ERRFILE_CORE | 0x00090000 ) #define ERRFILE_guestinfo ( ERRFILE_ARCH | ERRFILE_CORE | 0x000a0000 ) +#define ERRFILE_apm ( ERRFILE_ARCH | ERRFILE_CORE | 0x000b0000 ) #define ERRFILE_bootsector ( ERRFILE_ARCH | ERRFILE_IMAGE | 0x00000000 ) #define ERRFILE_bzimage ( ERRFILE_ARCH | ERRFILE_IMAGE | 0x00010000 ) diff --git a/src/config/config.c b/src/config/config.c index 1de3db43..45dc29bc 100644 --- a/src/config/config.c +++ b/src/config/config.c @@ -242,6 +242,9 @@ REQUIRE_OBJECT ( lotest_cmd ); #ifdef VLAN_CMD REQUIRE_OBJECT ( vlan_cmd ); #endif +#ifdef POWEROFF_CMD +REQUIRE_OBJECT ( poweroff_cmd ); +#endif #ifdef REBOOT_CMD REQUIRE_OBJECT ( reboot_cmd ); #endif diff --git a/src/config/general.h b/src/config/general.h index 9f0bb521..62edd3fe 100644 --- a/src/config/general.h +++ b/src/config/general.h @@ -126,6 +126,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); //#define VLAN_CMD /* VLAN commands */ //#define PXE_CMD /* PXE commands */ //#define REBOOT_CMD /* Reboot command */ +//#define POWEROFF_CMD /* Power off command */ //#define IMAGE_TRUST_CMD /* Image trust management commands */ /* diff --git a/src/core/null_reboot.c b/src/core/null_reboot.c index 8e3ed0bb..a3d5b2ef 100644 --- a/src/core/null_reboot.c +++ b/src/core/null_reboot.c @@ -27,6 +27,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); */ #include +#include #include /** @@ -40,4 +41,15 @@ static void null_reboot ( int warm __unused ) { while ( 1 ) {} } +/** + * Power off system + * + * @ret rc Return status code + */ +static int null_poweroff ( void ) { + + return -ENOTSUP; +} + PROVIDE_REBOOT ( null, reboot, null_reboot ); +PROVIDE_REBOOT ( null, poweroff, null_poweroff ); diff --git a/src/hci/commands/poweroff_cmd.c b/src/hci/commands/poweroff_cmd.c new file mode 100644 index 00000000..159fe618 --- /dev/null +++ b/src/hci/commands/poweroff_cmd.c @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2013 Marin Hannache . + * + * 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 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., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include +#include +#include +#include +#include +#include + +FILE_LICENCE ( GPL2_OR_LATER ); + +/** @file + * + * Power off command + * + */ + +/** "poweroff" options */ +struct poweroff_options {}; + +/** "poweroff" option list */ +static struct option_descriptor poweroff_opts[] = {}; + +/** "poweroff" command descriptor */ +static struct command_descriptor poweroff_cmd = + COMMAND_DESC ( struct poweroff_options, poweroff_opts, 0, 0, "" ); + +/** + * The "poweroff" command + * + * @v argc Argument count + * @v argv Argument list + * @ret rc Return status code + */ +static int poweroff_exec ( int argc, char **argv ) { + struct poweroff_options opts; + int rc; + + /* Parse options */ + if ( ( rc = parse_options ( argc, argv, &poweroff_cmd, &opts ) ) != 0 ) + return rc; + + /* Power off system */ + rc = poweroff(); + if ( rc != 0 ) + printf ( "Could not power off: %s\n", strerror ( rc ) ); + + return rc; +} + +/** "poweroff" command */ +struct command poweroff_command __command = { + .name = "poweroff", + .exec = poweroff_exec, +}; diff --git a/src/include/ipxe/errfile.h b/src/include/ipxe/errfile.h index c6b0e794..aad3f358 100644 --- a/src/include/ipxe/errfile.h +++ b/src/include/ipxe/errfile.h @@ -63,6 +63,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); #define ERRFILE_test ( ERRFILE_CORE | 0x00170000 ) #define ERRFILE_xferbuf ( ERRFILE_CORE | 0x00180000 ) #define ERRFILE_pending ( ERRFILE_CORE | 0x00190000 ) +#define ERRFILE_null_reboot ( ERRFILE_CORE | 0x001a0000 ) #define ERRFILE_eisa ( ERRFILE_DRIVER | 0x00000000 ) #define ERRFILE_isa ( ERRFILE_DRIVER | 0x00010000 ) @@ -277,6 +278,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); #define ERRFILE_efi_umalloc ( ERRFILE_OTHER | 0x003b0000 ) #define ERRFILE_linux_pci ( ERRFILE_OTHER | 0x003c0000 ) #define ERRFILE_pci_settings ( ERRFILE_OTHER | 0x003d0000 ) +#define ERRFILE_efi_reboot ( ERRFILE_OTHER | 0x003e0000 ) /** @} */ diff --git a/src/include/ipxe/reboot.h b/src/include/ipxe/reboot.h index 5d882d3d..97e0d5fb 100644 --- a/src/include/ipxe/reboot.h +++ b/src/include/ipxe/reboot.h @@ -55,4 +55,14 @@ FILE_LICENCE ( GPL2_OR_LATER ); */ void reboot ( int warm ); +/** + * Power off system + * + * @ret rc Return status code + * + * This function may fail, since not all systems support being powered + * off by software. + */ +int poweroff ( void ); + #endif /* _IPXE_REBOOT_H */ diff --git a/src/interface/efi/efi_reboot.c b/src/interface/efi/efi_reboot.c index bfee36aa..96638c48 100644 --- a/src/interface/efi/efi_reboot.c +++ b/src/interface/efi/efi_reboot.c @@ -26,6 +26,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); * */ +#include #include #include @@ -41,4 +42,20 @@ static void efi_reboot ( int warm ) { rs->ResetSystem ( ( warm ? EfiResetWarm : EfiResetCold ), 0, 0, NULL ); } +/** + * Power off system + * + * @ret rc Return status code + */ +static int efi_poweroff ( void ) { + EFI_RUNTIME_SERVICES *rs = efi_systab->RuntimeServices; + + /* Use runtime services to power off system */ + rs->ResetSystem ( EfiResetShutdown, 0, 0, NULL ); + + /* Should never happen */ + return -ECANCELED; +} + PROVIDE_REBOOT ( efi, reboot, efi_reboot ); +PROVIDE_REBOOT ( efi, poweroff, efi_poweroff );