| Message ID | 1350890967-6971-1-git-send-email-ivan.hu@canonical.com |
|---|---|
| State | Accepted |
| Headers | show |
On 22/10/12 08:29, Ivan Hu wrote: > These helper fuctions are used for loading, unloading and checking > the existence of efi_euntime module. > > Signed-off-by: Ivan Hu <ivan.hu@canonical.com> > --- > src/lib/include/fwts_efi_module.h | 26 +++++++++ > src/lib/src/Makefile.am | 3 +- > src/lib/src/fwts_efi_module.c | 112 +++++++++++++++++++++++++++++++++++++ > 3 files changed, 140 insertions(+), 1 deletion(-) > create mode 100644 src/lib/include/fwts_efi_module.h > create mode 100644 src/lib/src/fwts_efi_module.c > > diff --git a/src/lib/include/fwts_efi_module.h b/src/lib/include/fwts_efi_module.h > new file mode 100644 > index 0000000..31a3714 > --- /dev/null > +++ b/src/lib/include/fwts_efi_module.h > @@ -0,0 +1,26 @@ > +/* > + * Copyright (C) 2012 Canonical > + * > + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. > + * > + */ > + > +#ifndef __FWTS_EFI_MODULE_H__ > +#define __FWTS_EFI_MODULE_H__ > + > +int fwts_lib_efi_runtime_load_module(fwts_framework *fw); > +int fwts_lib_efi_runtime_unload_module(fwts_framework *fw); > + > +#endif > diff --git a/src/lib/src/Makefile.am b/src/lib/src/Makefile.am > index ea97cdb..3f8764e 100644 > --- a/src/lib/src/Makefile.am > +++ b/src/lib/src/Makefile.am > @@ -60,4 +60,5 @@ libfwts_la_SOURCES = \ > fwts_wakealarm.c \ > fwts_ac_adapter.c \ > fwts_battery.c \ > - fwts_button.c > + fwts_button.c \ > + fwts_efi_module.c > diff --git a/src/lib/src/fwts_efi_module.c b/src/lib/src/fwts_efi_module.c > new file mode 100644 > index 0000000..26e5740 > --- /dev/null > +++ b/src/lib/src/fwts_efi_module.c > @@ -0,0 +1,112 @@ > +/* > + * Copyright (C) 2012 Canonical > + * > + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. > + * > + */ > + > +#include <stdio.h> > +#include <string.h> > +#include <sys/types.h> > +#include <sys/stat.h> > +#include <unistd.h> > + > +#include "fwts_pipeio.h" > + > +static bool module_already_loaded = false; > + > +static int check_module_loaded(void) > +{ > + FILE *fp; > + char buffer[1024]; > + > + module_already_loaded = false; > + if ((fp = fopen("/proc/modules", "r")) != NULL) { > + while (fgets(buffer, sizeof(buffer), fp) != NULL) { > + if (strstr(buffer, "efi_runtime") != NULL) { > + module_already_loaded = true; > + break; > + } > + } > + fclose(fp); > + return FWTS_OK; > + } > + return FWTS_ERROR; > +} > + > +int fwts_lib_efi_runtime_load_module(fwts_framework *fw) > +{ > + struct stat statbuf; > + fwts_list *output; > + > + if (check_module_loaded() != FWTS_OK) { > + fwts_log_error(fw, "Could not open /proc/modules for checking module loaded."); > + return FWTS_ERROR; > + } > + > + if (!module_already_loaded) { > + if (fwts_pipe_exec("modprobe efi_runtime", &output) != FWTS_OK) { > + fwts_log_error(fw, "Load efi_runtime module error."); > + return FWTS_ERROR; > + } else { > + if (output) > + fwts_text_list_free(output); > + (void)check_module_loaded(); > + if (!module_already_loaded) { > + fwts_log_error(fw, "Could not load efi_runtime module."); > + return FWTS_ERROR; > + } > + } > + } > + > + if (stat("/dev/efi_runtime", &statbuf)) { > + fwts_log_error(fw, "Loaded efi_runtime module but /dev/efi_runtime is not present."); > + return FWTS_ERROR; > + } > + > + if (!S_ISCHR(statbuf.st_mode)) { > + fwts_log_error(fw, "Loaded efi_runtime module but /dev/efi_runtime is not a char device."); > + return FWTS_ERROR; > + } > + > + return FWTS_OK; > +} > + > + > +int fwts_lib_efi_runtime_unload_module(fwts_framework *fw) > +{ > + fwts_list *output; > + > + if (check_module_loaded() != FWTS_OK) { > + fwts_log_error(fw, "Could not open /proc/modules for checking module loaded."); > + return FWTS_ERROR; > + } > + if (module_already_loaded) { > + if (fwts_pipe_exec("modprobe -r efi_runtime", &output) != FWTS_OK) { > + fwts_log_error(fw, "Unload efi_runtime module error."); > + return FWTS_ERROR; > + } else { > + if (output) > + fwts_text_list_free(output); > + (void)check_module_loaded(); > + if (module_already_loaded) { > + fwts_log_error(fw, "Could not unload efi_runtime module."); > + return FWTS_ERROR; > + } > + } > + } > + > + return FWTS_OK; > +} > Thanks Ivan, Acked-by: Colin Ian King <colin.king@canonical.com>
On 10/22/2012 03:29 PM, Ivan Hu wrote: > These helper fuctions are used for loading, unloading and checking > the existence of efi_euntime module. > > Signed-off-by: Ivan Hu <ivan.hu@canonical.com> > --- > src/lib/include/fwts_efi_module.h | 26 +++++++++ > src/lib/src/Makefile.am | 3 +- > src/lib/src/fwts_efi_module.c | 112 +++++++++++++++++++++++++++++++++++++ > 3 files changed, 140 insertions(+), 1 deletion(-) > create mode 100644 src/lib/include/fwts_efi_module.h > create mode 100644 src/lib/src/fwts_efi_module.c > > diff --git a/src/lib/include/fwts_efi_module.h b/src/lib/include/fwts_efi_module.h > new file mode 100644 > index 0000000..31a3714 > --- /dev/null > +++ b/src/lib/include/fwts_efi_module.h > @@ -0,0 +1,26 @@ > +/* > + * Copyright (C) 2012 Canonical > + * > + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. > + * > + */ > + > +#ifndef __FWTS_EFI_MODULE_H__ > +#define __FWTS_EFI_MODULE_H__ > + > +int fwts_lib_efi_runtime_load_module(fwts_framework *fw); > +int fwts_lib_efi_runtime_unload_module(fwts_framework *fw); > + > +#endif > diff --git a/src/lib/src/Makefile.am b/src/lib/src/Makefile.am > index ea97cdb..3f8764e 100644 > --- a/src/lib/src/Makefile.am > +++ b/src/lib/src/Makefile.am > @@ -60,4 +60,5 @@ libfwts_la_SOURCES = \ > fwts_wakealarm.c \ > fwts_ac_adapter.c \ > fwts_battery.c \ > - fwts_button.c > + fwts_button.c \ > + fwts_efi_module.c > diff --git a/src/lib/src/fwts_efi_module.c b/src/lib/src/fwts_efi_module.c > new file mode 100644 > index 0000000..26e5740 > --- /dev/null > +++ b/src/lib/src/fwts_efi_module.c > @@ -0,0 +1,112 @@ > +/* > + * Copyright (C) 2012 Canonical > + * > + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. > + * > + */ > + > +#include <stdio.h> > +#include <string.h> > +#include <sys/types.h> > +#include <sys/stat.h> > +#include <unistd.h> > + > +#include "fwts_pipeio.h" > + > +static bool module_already_loaded = false; > + > +static int check_module_loaded(void) > +{ > + FILE *fp; > + char buffer[1024]; > + > + module_already_loaded = false; > + if ((fp = fopen("/proc/modules", "r")) != NULL) { > + while (fgets(buffer, sizeof(buffer), fp) != NULL) { > + if (strstr(buffer, "efi_runtime") != NULL) { > + module_already_loaded = true; > + break; > + } > + } > + fclose(fp); > + return FWTS_OK; > + } > + return FWTS_ERROR; > +} > + > +int fwts_lib_efi_runtime_load_module(fwts_framework *fw) > +{ > + struct stat statbuf; > + fwts_list *output; > + > + if (check_module_loaded() != FWTS_OK) { > + fwts_log_error(fw, "Could not open /proc/modules for checking module loaded."); > + return FWTS_ERROR; > + } > + > + if (!module_already_loaded) { > + if (fwts_pipe_exec("modprobe efi_runtime", &output) != FWTS_OK) { > + fwts_log_error(fw, "Load efi_runtime module error."); > + return FWTS_ERROR; > + } else { > + if (output) > + fwts_text_list_free(output); > + (void)check_module_loaded(); > + if (!module_already_loaded) { > + fwts_log_error(fw, "Could not load efi_runtime module."); > + return FWTS_ERROR; > + } > + } > + } > + > + if (stat("/dev/efi_runtime", &statbuf)) { > + fwts_log_error(fw, "Loaded efi_runtime module but /dev/efi_runtime is not present."); > + return FWTS_ERROR; > + } > + > + if (!S_ISCHR(statbuf.st_mode)) { > + fwts_log_error(fw, "Loaded efi_runtime module but /dev/efi_runtime is not a char device."); > + return FWTS_ERROR; > + } > + > + return FWTS_OK; > +} > + > + > +int fwts_lib_efi_runtime_unload_module(fwts_framework *fw) > +{ > + fwts_list *output; > + > + if (check_module_loaded() != FWTS_OK) { > + fwts_log_error(fw, "Could not open /proc/modules for checking module loaded."); > + return FWTS_ERROR; > + } > + if (module_already_loaded) { > + if (fwts_pipe_exec("modprobe -r efi_runtime", &output) != FWTS_OK) { > + fwts_log_error(fw, "Unload efi_runtime module error."); > + return FWTS_ERROR; > + } else { > + if (output) > + fwts_text_list_free(output); > + (void)check_module_loaded(); > + if (module_already_loaded) { > + fwts_log_error(fw, "Could not unload efi_runtime module."); > + return FWTS_ERROR; > + } > + } > + } > + > + return FWTS_OK; > +} > Acked-by: Alex Hung <alex.hung@canonical.com>
diff --git a/src/lib/include/fwts_efi_module.h b/src/lib/include/fwts_efi_module.h new file mode 100644 index 0000000..31a3714 --- /dev/null +++ b/src/lib/include/fwts_efi_module.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2012 Canonical + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef __FWTS_EFI_MODULE_H__ +#define __FWTS_EFI_MODULE_H__ + +int fwts_lib_efi_runtime_load_module(fwts_framework *fw); +int fwts_lib_efi_runtime_unload_module(fwts_framework *fw); + +#endif diff --git a/src/lib/src/Makefile.am b/src/lib/src/Makefile.am index ea97cdb..3f8764e 100644 --- a/src/lib/src/Makefile.am +++ b/src/lib/src/Makefile.am @@ -60,4 +60,5 @@ libfwts_la_SOURCES = \ fwts_wakealarm.c \ fwts_ac_adapter.c \ fwts_battery.c \ - fwts_button.c + fwts_button.c \ + fwts_efi_module.c diff --git a/src/lib/src/fwts_efi_module.c b/src/lib/src/fwts_efi_module.c new file mode 100644 index 0000000..26e5740 --- /dev/null +++ b/src/lib/src/fwts_efi_module.c @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2012 Canonical + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include <stdio.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> + +#include "fwts_pipeio.h" + +static bool module_already_loaded = false; + +static int check_module_loaded(void) +{ + FILE *fp; + char buffer[1024]; + + module_already_loaded = false; + if ((fp = fopen("/proc/modules", "r")) != NULL) { + while (fgets(buffer, sizeof(buffer), fp) != NULL) { + if (strstr(buffer, "efi_runtime") != NULL) { + module_already_loaded = true; + break; + } + } + fclose(fp); + return FWTS_OK; + } + return FWTS_ERROR; +} + +int fwts_lib_efi_runtime_load_module(fwts_framework *fw) +{ + struct stat statbuf; + fwts_list *output; + + if (check_module_loaded() != FWTS_OK) { + fwts_log_error(fw, "Could not open /proc/modules for checking module loaded."); + return FWTS_ERROR; + } + + if (!module_already_loaded) { + if (fwts_pipe_exec("modprobe efi_runtime", &output) != FWTS_OK) { + fwts_log_error(fw, "Load efi_runtime module error."); + return FWTS_ERROR; + } else { + if (output) + fwts_text_list_free(output); + (void)check_module_loaded(); + if (!module_already_loaded) { + fwts_log_error(fw, "Could not load efi_runtime module."); + return FWTS_ERROR; + } + } + } + + if (stat("/dev/efi_runtime", &statbuf)) { + fwts_log_error(fw, "Loaded efi_runtime module but /dev/efi_runtime is not present."); + return FWTS_ERROR; + } + + if (!S_ISCHR(statbuf.st_mode)) { + fwts_log_error(fw, "Loaded efi_runtime module but /dev/efi_runtime is not a char device."); + return FWTS_ERROR; + } + + return FWTS_OK; +} + + +int fwts_lib_efi_runtime_unload_module(fwts_framework *fw) +{ + fwts_list *output; + + if (check_module_loaded() != FWTS_OK) { + fwts_log_error(fw, "Could not open /proc/modules for checking module loaded."); + return FWTS_ERROR; + } + if (module_already_loaded) { + if (fwts_pipe_exec("modprobe -r efi_runtime", &output) != FWTS_OK) { + fwts_log_error(fw, "Unload efi_runtime module error."); + return FWTS_ERROR; + } else { + if (output) + fwts_text_list_free(output); + (void)check_module_loaded(); + if (module_already_loaded) { + fwts_log_error(fw, "Could not unload efi_runtime module."); + return FWTS_ERROR; + } + } + } + + return FWTS_OK; +}
These helper fuctions are used for loading, unloading and checking the existence of efi_euntime module. Signed-off-by: Ivan Hu <ivan.hu@canonical.com> --- src/lib/include/fwts_efi_module.h | 26 +++++++++ src/lib/src/Makefile.am | 3 +- src/lib/src/fwts_efi_module.c | 112 +++++++++++++++++++++++++++++++++++++ 3 files changed, 140 insertions(+), 1 deletion(-) create mode 100644 src/lib/include/fwts_efi_module.h create mode 100644 src/lib/src/fwts_efi_module.c