/* Structure of the proc filesystem: /proc/dasd/ /proc/dasd/devices # List of devices /proc/dasd/ddabcd # Device node for devno abcd /proc/dasd/ddabcd1 # Device node for partition abcd /proc/dasd/abcd # Device information for devno abcd */ #include #include #include "dasd_types.h" int dasd_proc_read_devices ( char *, char **, off_t, int); #ifdef DASD_PROFILE extern int dasd_proc_read_statistics ( char *, char **, off_t, int); extern int dasd_proc_read_debug ( char *, char **, off_t, int); #endif /* DASD_PROFILE */ static struct proc_dir_entry *dasd_proc_root_entry; void dasd_proc_init ( void ) { dasd_proc_root_entry = proc_mkdir("dasd", NULL); create_proc_info_entry("devices",0,&dasd_proc_root_entry,dasd_proc_read_devices); #ifdef DASD_PROFILE create_proc_info_entry("statistics",0,&dasd_proc_root_entry,dasd_proc_read_statistics); create_proc_info_entry("debug",0,&dasd_proc_root_entry,dasd_proc_read_debug); #endif /* DASD_PROFILE */ } int dasd_proc_read_devices ( char * buf, char **start, off_t off, int len) { int i; len = sprintf ( buf, "dev# MAJ minor node Format\n"); for ( i = 0; i < DASD_MAX_DEVICES; i++ ) { dasd_information_t *info = dasd_info[i]; if ( ! info ) continue; if ( len >= PAGE_SIZE - 80 ) len += sprintf ( buf + len, "terminated...\n"); len += sprintf ( buf + len, "%04X %3d %5d /dev/dasd%c", dasd_info[i]->info.devno, DASD_MAJOR, i << PARTN_BITS, 'a' + i ); if (info->flags == DASD_INFO_FLAGS_NOT_FORMATTED) { len += sprintf ( buf + len, " n/a"); } else { len += sprintf ( buf + len, " %6d", info->sizes.bp_block); } len += sprintf ( buf + len, "\n"); } return len; } void dasd_proc_add_node (int di) { }