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[cmdline] Add "poweroff" command

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Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Marin Hannache <git@mareo.fr>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Marin Hannache 2013-07-13 14:31:15 +02:00 committed by Michael Brown
parent 9b93b669d1
commit c0af8c0433
9 changed files with 226 additions and 0 deletions
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108
src/arch/i386/interface/pcbios/apm.c Normal file
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@ -0,0 +1,108 @@
/*
* Copyright (C) 2013 Marin Hannache <ipxe@mareo.fr>.
*
* 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 <errno.h>
#include <realmode.h>
#include <ipxe/reboot.h>
/**
* 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 );

1
src/arch/x86/include/bits/errfile.h
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@ -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 )

3
src/config/config.c
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@ -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

1
src/config/general.h
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@ -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 */
/*

12
src/core/null_reboot.c
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@ -27,6 +27,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
*/
#include <stdio.h>
#include <errno.h>
#include <ipxe/reboot.h>
/**
@ -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 );

72
src/hci/commands/poweroff_cmd.c Normal file
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@ -0,0 +1,72 @@
/*
* Copyright (C) 2013 Marin Hannache <ipxe@mareo.fr>.
*
* 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 <stdio.h>
#include <string.h>
#include <getopt.h>
#include <ipxe/command.h>
#include <ipxe/parseopt.h>
#include <ipxe/reboot.h>
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,
};

2
src/include/ipxe/errfile.h
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@ -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 )
/** @} */

10
src/include/ipxe/reboot.h
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@ -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 */

17
src/interface/efi/efi_reboot.c
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@ -26,6 +26,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
*
*/
#include <errno.h>
#include <ipxe/efi/efi.h>
#include <ipxe/reboot.h>
@ -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 );