#include <asm/div64.h>
#include "internal.h"
-/*
- * Warning: stuff below (imported functions) assumes that its output will fit
- * into one page. For some of those functions it may be wrong. Moreover, we
- * have a way to deal with that gracefully. Right now I used straightforward
- * wrappers, but this needs further analysis wrt potential overflows.
- */
-extern int get_exec_domain_list(char *);
-
-static int proc_calc_metrics(char *page, char **start, off_t off,
- int count, int *eof, int len)
-{
- if (len <= off+count) *eof = 1;
- *start = page + off;
- len -= off;
- if (len>count) len = count;
- if (len<0) len = 0;
- return len;
-}
-
static int fragmentation_open(struct inode *inode, struct file *file)
{
(void)inode;
.release = seq_release,
};
-static int devinfo_show(struct seq_file *f, void *v)
-{
- int i = *(loff_t *) v;
-
- if (i < CHRDEV_MAJOR_HASH_SIZE) {
- if (i == 0)
- seq_printf(f, "Character devices:\n");
- chrdev_show(f, i);
- }
-#ifdef CONFIG_BLOCK
- else {
- i -= CHRDEV_MAJOR_HASH_SIZE;
- if (i == 0)
- seq_printf(f, "\nBlock devices:\n");
- blkdev_show(f, i);
- }
-#endif
- return 0;
-}
-
-static void *devinfo_start(struct seq_file *f, loff_t *pos)
-{
- if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
- return pos;
- return NULL;
-}
-
-static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
-{
- (*pos)++;
- if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
- return NULL;
- return pos;
-}
-
-static void devinfo_stop(struct seq_file *f, void *v)
-{
- /* Nothing to do */
-}
-
-static const struct seq_operations devinfo_ops = {
- .start = devinfo_start,
- .next = devinfo_next,
- .stop = devinfo_stop,
- .show = devinfo_show
-};
-
-static int devinfo_open(struct inode *inode, struct file *filp)
-{
- return seq_open(filp, &devinfo_ops);
-}
-
-static const struct file_operations proc_devinfo_operations = {
- .open = devinfo_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
static int vmstat_open(struct inode *inode, struct file *file)
{
return seq_open(file, &vmstat_op);
.release = seq_release,
};
-static int cmdline_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- int len;
-
- len = sprintf(page, "%s\n", saved_command_line);
- return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
-#ifdef CONFIG_FILE_LOCKING
-static int locks_open(struct inode *inode, struct file *filp)
-{
- return seq_open(filp, &locks_seq_operations);
-}
-
-static const struct file_operations proc_locks_operations = {
- .open = locks_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-#endif /* CONFIG_FILE_LOCKING */
-
-static int execdomains_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- int len = get_exec_domain_list(page);
- return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
#ifdef CONFIG_PROC_PAGE_MONITOR
#define KPMSIZE sizeof(u64)
#define KPMMASK (KPMSIZE - 1)
void __init proc_misc_init(void)
{
- static struct {
- char *name;
- int (*read_proc)(char*,char**,off_t,int,int*,void*);
- } *p, simple_ones[] = {
- {"cmdline", cmdline_read_proc},
- {"execdomains", execdomains_read_proc},
- {NULL,}
- };
- for (p = simple_ones; p->name; p++)
- create_proc_read_entry(p->name, 0, NULL, p->read_proc, NULL);
-
proc_symlink("mounts", NULL, "self/mounts");
/* And now for trickier ones */
-#ifdef CONFIG_PRINTK
- proc_create("kmsg", S_IRUSR, NULL, &proc_kmsg_operations);
-#endif
-#ifdef CONFIG_FILE_LOCKING
- proc_create("locks", 0, NULL, &proc_locks_operations);
-#endif
- proc_create("devices", 0, NULL, &proc_devinfo_operations);
proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
#ifdef CONFIG_BLOCK
proc_create("partitions", 0, NULL, &proc_partitions_operations);