#include "h/mm.h"
#ifdef AFS_AMD64_LINUX20_ENV
-#include "../asm/ia32_unistd.h"
+#include <asm/ia32_unistd.h>
+#endif
+#ifdef AFS_SPARC64_LINUX20_ENV
+#include <linux/ioctl32.h>
#endif
#include <linux/proc_fs.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
#include <linux/init.h>
#include <linux/sched.h>
-#endif
-#if !defined(EXPORTED_SYS_CALL_TABLE) && defined(HAVE_KERNEL_LINUX_SYSCALL_H)
-#include <linux/syscall.h>
-#endif
-
-#ifdef AFS_SPARC64_LINUX24_ENV
-#define __NR_setgroups32 82 /* This number is not exported for some bizarre reason. */
-#endif
-
-#if !defined(AFS_LINUX24_ENV)
-asmlinkage int (*sys_settimeofdayp) (struct timeval * tv,
- struct timezone * tz);
-#endif
-asmlinkage long (*sys_setgroupsp) (int gidsetsize, gid_t * grouplist);
-#ifdef EXPORTED_SYS_CALL_TABLE
-#if defined(AFS_SPARC64_LINUX20_ENV) || defined(AFS_S390X_LINUX24_ENV)
-extern unsigned int sys_call_table[]; /* changed to uint because SPARC64 and S390X have syscalltable of 32bit items */
-#else
-extern void *sys_call_table[]; /* safer for other linuces */
-#endif
-#else /* EXPORTED_SYS_CALL_TABLE */
-#if defined(AFS_SPARC64_LINUX20_ENV) || defined(AFS_S390X_LINUX24_ENV)
-static unsigned int *sys_call_table; /* changed to uint because SPARC64 and S390X have syscalltable of 32bit items */
-#else
-static void **sys_call_table; /* safer for other linuces */
-#endif
+#include <linux/kernel.h>
#endif
-#if defined(AFS_S390X_LINUX24_ENV)
-#define _S(x) ((x)<<1)
-#else
-#define _S(x) x
+#ifdef HAVE_KERNEL_LINUX_SEQ_FILE_H
+#include <linux/seq_file.h>
#endif
extern struct file_system_type afs_fs_type;
static long get_page_offset(void);
#endif
-#if defined(AFS_LINUX24_ENV)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
+DEFINE_MUTEX(afs_global_lock);
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
DECLARE_MUTEX(afs_global_lock);
#else
struct semaphore afs_global_lock = MUTEX;
unsigned long afs_linux_page_offset = 0; /* contains the PAGE_OFFSET value */
#endif
-/* Since sys_ni_syscall is not exported, I need to cache it in order to restore
- * it.
- */
-#if defined(AFS_SPARC64_LINUX20_ENV) || defined(AFS_S390X_LINUX24_ENV)
-static unsigned int afs_ni_syscall = 0;
-#else
-static void *afs_ni_syscall = 0;
+static inline int afs_ioctl(struct inode *, struct file *, unsigned int,
+ unsigned long);
+#if defined(HAVE_UNLOCKED_IOCTL) || defined(HAVE_COMPAT_IOCTL)
+static long afs_unlocked_ioctl(struct file *, unsigned int, unsigned long);
#endif
-#ifdef AFS_AMD64_LINUX20_ENV
-#ifdef EXPORTED_IA32_SYS_CALL_TABLE
-extern void *ia32_sys_call_table[];
+static struct file_operations afs_syscall_fops = {
+#ifdef HAVE_UNLOCKED_IOCTL
+ .unlocked_ioctl = afs_unlocked_ioctl,
#else
-static void **ia32_sys_call_table;
+ .ioctl = afs_ioctl,
+#endif
+#ifdef HAVE_COMPAT_IOCTL
+ .compat_ioctl = afs_unlocked_ioctl,
#endif
+};
-static void *ia32_ni_syscall = 0;
-asmlinkage long (*sys32_setgroupsp) (int gidsetsize, u16 * grouplist);
-#if defined(__NR_ia32_setgroups32)
-asmlinkage long (*sys32_setgroups32p) (int gidsetsize, gid_t * grouplist);
-#endif /* __NR_ia32_setgroups32 */
-#endif /* AFS_AMD64_LINUX20_ENV */
+#ifdef HAVE_KERNEL_LINUX_SEQ_FILE_H
+static void *c_start(struct seq_file *m, loff_t *pos)
+{
+ struct afs_q *cq, *tq;
+ loff_t n = 0;
-#ifdef AFS_PPC64_LINUX20_ENV
-asmlinkage long (*sys32_setgroupsp)(int gidsetsize, gid_t *grouplist);
-#endif /* AFS_AMD64_LINUX20_ENV */
+ ObtainReadLock(&afs_xcell);
+ for (cq = CellLRU.next; cq != &CellLRU; cq = tq) {
+ tq = QNext(cq);
-#ifdef AFS_SPARC64_LINUX20_ENV
-static unsigned int afs_ni_syscall32 = 0;
-asmlinkage int (*sys32_setgroupsp) (int gidsetsize,
- __kernel_gid_t32 * grouplist);
-#if defined(__NR_setgroups32)
-asmlinkage int (*sys32_setgroups32p) (int gidsetsize,
- __kernel_gid_t32 * grouplist);
-#endif /* __NR_setgroups32 */
-#ifdef EXPORTED_SYS_CALL_TABLE
-extern unsigned int sys_call_table32[];
-#else /* EXPORTED_SYS_CALL_TABLE */
-static unsigned int *sys_call_table32;
-#endif /* EXPORTED_SYS_CALL_TABLE */
-
-asmlinkage int
-afs_syscall32(long syscall, long parm1, long parm2, long parm3, long parm4,
- long parm5)
+ if (n++ == *pos)
+ break;
+ }
+ if (cq == &CellLRU)
+ return NULL;
+
+ return cq;
+}
+
+static void *c_next(struct seq_file *m, void *p, loff_t *pos)
{
- __asm__ __volatile__("srl %o4, 0, %o4\n\t" "mov %o7, %i7\n\t"
- "call afs_syscall\n\t" "srl %o5, 0, %o5\n\t"
- "ret\n\t" "nop");
+ struct afs_q *cq = p, *tq;
+
+ (*pos)++;
+ tq = QNext(cq);
+
+ if (tq == &CellLRU)
+ return NULL;
+
+ return tq;
}
-#endif /* AFS_SPARC64_LINUX20_ENV */
-static int afs_ioctl(struct inode *, struct file *, unsigned int,
- unsigned long);
+static void c_stop(struct seq_file *m, void *p)
+{
+ ReleaseReadLock(&afs_xcell);
+}
-static struct file_operations afs_syscall_fops = {
- .ioctl = afs_ioctl,
+static int c_show(struct seq_file *m, void *p)
+{
+ struct afs_q *cq = p;
+ struct cell *tc = QTOC(cq);
+ int j;
+
+ seq_printf(m, ">%s #(%d/%d)\n", tc->cellName,
+ tc->cellNum, tc->cellIndex);
+
+ for (j = 0; j < MAXCELLHOSTS; j++) {
+ afs_uint32 addr;
+
+ if (!tc->cellHosts[j]) break;
+
+ addr = tc->cellHosts[j]->addr->sa_ip;
+ seq_printf(m, "%u.%u.%u.%u #%u.%u.%u.%u\n",
+ NIPQUAD(addr), NIPQUAD(addr));
+ }
+
+ return 0;
+}
+
+static struct seq_operations afs_csdb_op = {
+ .start = c_start,
+ .next = c_next,
+ .stop = c_stop,
+ .show = c_show,
+};
+
+static int afs_csdb_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &afs_csdb_op);
+}
+
+static struct file_operations afs_csdb_operations = {
+ .open = afs_csdb_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
};
+#else /* HAVE_KERNEL_LINUX_SEQ_FILE_H */
+
int
-csdbproc_read(char *buffer, char **start, off_t offset, int count,
- int *eof, void *data)
+csdbproc_info(char *buffer, char **start, off_t offset, int
+length)
{
- int len, j;
+ int len = 0;
+ off_t pos = 0;
+ int cnt;
struct afs_q *cq, *tq;
struct cell *tc;
char tbuffer[16];
+ /* 90 - 64 cellname, 10 for 32 bit num and index, plus
+ decor */
+ char temp[91];
afs_uint32 addr;
- len = 0;
ObtainReadLock(&afs_xcell);
+
for (cq = CellLRU.next; cq != &CellLRU; cq = tq) {
- tc = QTOC(cq); tq = QNext(cq);
- len += sprintf(buffer + len, ">%s #(%d/%d)\n", tc->cellName,
- tc->cellNum, tc->cellIndex);
- for (j = 0; j < MAXCELLHOSTS; j++) {
- if (!tc->cellHosts[j]) break;
- addr = ntohl(tc->cellHosts[j]->addr->sa_ip);
- sprintf(tbuffer, "%d.%d.%d.%d",
- (int)((addr>>24) & 0xff), (int)((addr>>16) & 0xff),
- (int)((addr>>8) & 0xff), (int)( addr & 0xff));
- len += sprintf(buffer + len, "%s #%s\n", tbuffer, tbuffer);
- }
+ tc = QTOC(cq); tq = QNext(cq);
+
+ pos += 90;
+
+ if (pos <= offset) {
+ len = 0;
+ } else {
+ sprintf(temp, ">%s #(%d/%d)\n", tc->cellName,
+ tc->cellNum, tc->cellIndex);
+ sprintf(buffer + len, "%-89s\n", temp);
+ len += 90;
+ if (pos >= offset+length) {
+ ReleaseReadLock(&afs_xcell);
+ goto done;
+ }
+ }
+
+ for (cnt = 0; cnt < MAXCELLHOSTS; cnt++) {
+ if (!tc->cellHosts[cnt]) break;
+ pos += 90;
+ if (pos <= offset) {
+ len = 0;
+ } else {
+ addr = ntohl(tc->cellHosts[cnt]->addr->sa_ip);
+ sprintf(tbuffer, "%d.%d.%d.%d",
+ (int)((addr>>24) & 0xff),
+(int)((addr>>16) & 0xff),
+ (int)((addr>>8) & 0xff), (int)( addr & 0xff));
+ sprintf(temp, "%s #%s\n", tbuffer, tbuffer);
+ sprintf(buffer + len, "%-89s\n", temp);
+ len += 90;
+ if (pos >= offset+length) {
+ ReleaseReadLock(&afs_xcell);
+ goto done;
+ }
+ }
+ }
}
+
ReleaseReadLock(&afs_xcell);
- if (offset >= len) {
- *start = buffer;
- *eof = 1;
- return 0;
- }
- *start = buffer + offset;
- if ((len -= offset) > count)
- return count;
- *eof = 1;
+done:
+ *start = buffer + len - (pos - offset);
+ len = pos - offset;
+ if (len > length)
+ len = length;
return len;
}
+#endif /* HAVE_KERNEL_LINUX_SEQ_FILE_H */
+
int
peerproc_read(char *buffer, char **start, off_t offset, int count,
int *eof, void *data)
}
static struct proc_dir_entry *openafs_procfs;
+#if defined(NEED_IOCTL32) && !defined(HAVE_COMPAT_IOCTL)
+static int ioctl32_done;
+#endif
+#ifdef AFS_LINUX24_ENV
static int
-afsproc_init()
+afsproc_init(void)
{
+ struct proc_dir_entry *entry2;
struct proc_dir_entry *entry1;
struct proc_dir_entry *entry;
entry1->owner = THIS_MODULE;
- entry = create_proc_read_entry(PROC_CELLSERVDB_NAME, (S_IFREG|S_IRUGO), openafs_procfs, csdbproc_read, NULL);
+#ifdef HAVE_KERNEL_LINUX_SEQ_FILE_H
+ entry2 = create_proc_entry(PROC_CELLSERVDB_NAME, 0, openafs_procfs);
+ if (entry2)
+ entry2->proc_fops = &afs_csdb_operations;
+#else
+ entry2 = create_proc_info_entry(PROC_CELLSERVDB_NAME, (S_IFREG|S_IRUGO), openafs_procfs, csdbproc_info);
+#endif
entry = create_proc_read_entry(PROC_PEER_NAME, (S_IFREG|S_IRUGO), openafs_procfs, peerproc_read, NULL);
entry = create_proc_read_entry(PROC_SERVICES_NAME, (S_IFREG|S_IRUGO), openafs_procfs, servicesproc_read, NULL);
entry = create_proc_read_entry(PROC_RXSTATS_NAME, (S_IFREG|S_IRUGO), openafs_procfs, rxstatsproc_read, NULL);
+#if defined(NEED_IOCTL32) && !defined(HAVE_COMPAT_IOCTL)
+ if (register_ioctl32_conversion(VIOC_SYSCALL32, NULL) == 0)
+ ioctl32_done = 1;
+#endif
return 0;
}
static void
-afsproc_exit()
+afsproc_exit(void)
{
remove_proc_entry(PROC_RXSTATS_NAME, openafs_procfs);
remove_proc_entry(PROC_SERVICES_NAME, openafs_procfs);
remove_proc_entry(PROC_CELLSERVDB_NAME, openafs_procfs);
remove_proc_entry(PROC_SYSCALL_NAME, openafs_procfs);
remove_proc_entry(PROC_FSDIRNAME, proc_root_fs);
+#if defined(NEED_IOCTL32) && !defined(HAVE_COMPAT_IOCTL)
+ if (ioctl32_done)
+ unregister_ioctl32_conversion(VIOC_SYSCALL32);
+#endif
}
+#endif
extern asmlinkage long
afs_syscall(long syscall, long parm1, long parm2, long parm3, long parm4);
{
struct afsprocdata sysargs;
+#ifdef NEED_IOCTL32
+ struct afsprocdata32 sysargs32;
+#endif
- if (cmd != VIOC_SYSCALL) return -EINVAL;
-
- if (copy_from_user(&sysargs, (void *)arg, sizeof(struct afsprocdata)))
- return -EFAULT;
-
- return afs_syscall(sysargs.syscall, sysargs.param1,
- sysargs.param2, sysargs.param3, sysargs.param4);
-}
+ if (cmd != VIOC_SYSCALL && cmd != VIOC_SYSCALL32) return -EINVAL;
-#ifdef AFS_IA64_LINUX20_ENV
+#ifdef NEED_IOCTL32
+#ifdef AFS_LINUX26_ENV
+#ifdef AFS_S390X_LINUX26_ENV
+ if (test_thread_flag(TIF_31BIT))
+#elif AFS_AMD64_LINUX20_ENV
+ if (test_thread_flag(TIF_IA32))
+#else
+ if (test_thread_flag(TIF_32BIT))
+#endif /* AFS_S390X_LINUX26_ENV */
+#else
+#ifdef AFS_SPARC64_LINUX24_ENV
+ if (current->thread.flags & SPARC_FLAG_32BIT)
+#elif defined(AFS_SPARC64_LINUX20_ENV)
+ if (current->tss.flags & SPARC_FLAG_32BIT)
+#elif defined(AFS_AMD64_LINUX20_ENV)
+ if (current->thread.flags & THREAD_IA32)
+#elif defined(AFS_PPC64_LINUX20_ENV)
+ if (current->thread.flags & PPC_FLAG_32BIT)
+#elif defined(AFS_S390X_LINUX20_ENV)
+ if (current->thread.flags & S390_FLAG_31BIT)
+#else
+#error Not done for this linux type
+#endif /* AFS_LINUX26_ENV */
+#endif /* NEED_IOCTL32 */
+ {
+ if (copy_from_user(&sysargs32, (void *)arg,
+ sizeof(struct afsprocdata32)))
+ return -EFAULT;
+
+ return afs_syscall((unsigned long)sysargs32.syscall,
+ (unsigned long)sysargs32.param1,
+ (unsigned long)sysargs32.param2,
+ (unsigned long)sysargs32.param3,
+ (unsigned long)sysargs32.param4);
+ } else
+#endif
+ {
+ if (copy_from_user(&sysargs, (void *)arg, sizeof(struct afsprocdata)))
+ return -EFAULT;
-asmlinkage long
-afs_syscall_stub(int r0, int r1, long r2, long r3, long r4, long gp)
-{
- __asm__ __volatile__("alloc r42 = ar.pfs, 8, 3, 6, 0\n\t" "mov r41 = b0\n\t" /* save rp */
- "mov out0 = in0\n\t" "mov out1 = in1\n\t" "mov out2 = in2\n\t" "mov out3 = in3\n\t" "mov out4 = in4\n\t" "mov out5 = gp\n\t" /* save gp */
- ";;\n" ".L1: mov r3 = ip\n\t" ";;\n\t" "addl r15=.fptr_afs_syscall-.L1,r3\n\t" ";;\n\t" "ld8 r15=[r15]\n\t" ";;\n\t" "ld8 r16=[r15],8\n\t" ";;\n\t" "ld8 gp=[r15]\n\t" "mov b6=r16\n\t" "br.call.sptk.many b0 = b6\n\t" ";;\n\t" "mov ar.pfs = r42\n\t" "mov b0 = r41\n\t" "mov gp = r48\n\t" /* restore gp */
- "br.ret.sptk.many b0\n" ".fptr_afs_syscall:\n\t"
- "data8 @fptr(afs_syscall)");
+ return afs_syscall(sysargs.syscall, sysargs.param1,
+ sysargs.param2, sysargs.param3, sysargs.param4);
+ }
}
-asmlinkage long
-afs_xsetgroups_stub(int r0, int r1, long r2, long r3, long r4, long gp)
-{
- __asm__ __volatile__("alloc r42 = ar.pfs, 8, 3, 6, 0\n\t" "mov r41 = b0\n\t" /* save rp */
- "mov out0 = in0\n\t" "mov out1 = in1\n\t" "mov out2 = in2\n\t" "mov out3 = in3\n\t" "mov out4 = in4\n\t" "mov out5 = gp\n\t" /* save gp */
- ";;\n" ".L2: mov r3 = ip\n\t" ";;\n\t" "addl r15=.fptr_afs_xsetgroups - .L2,r3\n\t" ";;\n\t" "ld8 r15=[r15]\n\t" ";;\n\t" "ld8 r16=[r15],8\n\t" ";;\n\t" "ld8 gp=[r15]\n\t" "mov b6=r16\n\t" "br.call.sptk.many b0 = b6\n\t" ";;\n\t" "mov ar.pfs = r42\n\t" "mov b0 = r41\n\t" "mov gp = r48\n\t" /* restore gp */
- "br.ret.sptk.many b0\n" ".fptr_afs_xsetgroups:\n\t"
- "data8 @fptr(afs_xsetgroups)");
+#if defined(HAVE_UNLOCKED_IOCTL) || defined(HAVE_COMPAT_IOCTL)
+static long afs_unlocked_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg) {
+ return afs_ioctl(FILE_INODE(file), file, cmd, arg);
}
-
-struct fptr {
- void *ip;
- unsigned long gp;
-};
-
-#endif /* AFS_IA64_LINUX20_ENV */
-
-#ifdef AFS_LINUX24_ENV
-asmlinkage int (*sys_setgroups32p) (int gidsetsize,
- __kernel_gid32_t * grouplist);
-#endif /* AFS_LINUX24_ENV */
-
-#if defined(AFS_SPARC64_LINUX20_ENV) || defined(AFS_S390X_LINUX24_ENV)
-#define POINTER2SYSCALL (unsigned int)(unsigned long)
-#define SYSCALL2POINTER (void *)(long)
-#else
-#define POINTER2SYSCALL (void *)
-#define SYSCALL2POINTER (void *)
#endif
-
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
int __init
afs_init(void)
init_module(void)
#endif
{
-#if defined(AFS_IA64_LINUX20_ENV)
- unsigned long kernel_gp = 0;
- static struct fptr sys_setgroups;
-#endif /* defined(AFS_IA64_LINUX20_ENV) */
- extern long afs_xsetgroups();
-#if defined(__NR_setgroups32)
- extern int afs_xsetgroups32();
-#endif /* __NR_setgroups32 */
-#if defined(AFS_SPARC64_LINUX20_ENV) || defined (AFS_AMD64_LINUX20_ENV) || defined(AFS_PPC64_LINUX20_ENV)
- extern int afs32_xsetgroups();
-#if (defined(__NR_setgroups32) && defined(AFS_SPARC64_LINUX20_ENV))
- extern int afs32_xsetgroups32();
-#endif /* defined(__NR_setgroups32) && defined(AFS_SPARC64_LINUX20_ENV) */
-#if (defined(__NR_ia32_setgroups32) && defined(AFS_AMD64_LINUX20_ENV))
- extern int afs32_xsetgroups32();
-#endif /* (defined(__NR_ia32_setgroups32) && defined(AFS_AMD64_LINUX20_ENV) */
-#endif /* AFS_SPARC64_LINUX20_ENV || AFS_AMD64_LINUX20_ENV || AFS_PPC64_LINUX20_ENV */
-
-#if !defined(EXPORTED_SYS_CALL_TABLE) || (defined(AFS_AMD64_LINUX20_ENV) && !defined(EXPORTED_IA32_SYS_CALL_TABLE))
- unsigned long *ptr;
- unsigned long offset=0;
- unsigned long datalen=0;
-#if defined(EXPORTED_KALLSYMS_SYMBOL)
- unsigned long token=0;
-#endif
-#if defined(EXPORTED_KALLSYMS_SYMBOL) || defined(EXPORTED_KALLSYMS_ADDRESS)
- int ret;
- char *mod_name;
- unsigned long mod_start=0;
- unsigned long mod_end=0;
- char *sec_name;
- unsigned long sec_start=0;
- unsigned long sec_end=0;
- char *sym_name;
- unsigned long sym_start=0;
- unsigned long sym_end=0;
-#endif
-#endif /* EXPORTED_SYS_CALL_TABLE */
-
+ int err;
RWLOCK_INIT(&afs_xosi, "afs_xosi");
#if !defined(AFS_LINUX24_ENV)
#endif /* AFS_S390_LINUX22_ENV */
#endif /* !defined(AFS_LINUX24_ENV) */
-#ifndef EXPORTED_SYS_CALL_TABLE
- sys_call_table = 0;
-
-#ifdef EXPORTED_KALLSYMS_SYMBOL
- ret = 1;
- token = 0;
- while (ret) {
- sym_start = 0;
- ret =
- kallsyms_symbol_to_address("sys_call_table", &token, &mod_name,
- &mod_start, &mod_end, &sec_name,
- &sec_start, &sec_end, &sym_name,
- &sym_start, &sym_end);
- if (ret && !strcmp(mod_name, "kernel"))
- break;
- }
- if (ret && sym_start) {
- sys_call_table = sym_start;
- }
-#elif defined(EXPORTED_KALLSYMS_ADDRESS)
- ret =
- kallsyms_address_to_symbol((unsigned long)&init_mm, &mod_name,
- &mod_start, &mod_end, &sec_name,
- &sec_start, &sec_end, &sym_name,
- &sym_start, &sym_end);
- ptr = (unsigned long *)sec_start;
- datalen = (sec_end - sec_start) / sizeof(unsigned long);
-#elif defined(AFS_IA64_LINUX20_ENV)
- ptr = (unsigned long *)(&sys_close - 0x180000);
- datalen = 0x180000 / sizeof(ptr);
-#elif defined(AFS_AMD64_LINUX20_ENV)
- ptr = (unsigned long *)&init_mm;
- datalen = 0x360000 / sizeof(ptr);
-#else
- ptr = (unsigned long *)&init_mm;
- datalen = 16384;
-#endif
- for (offset = 0; offset < datalen; ptr++, offset++) {
-#if defined(AFS_IA64_LINUX20_ENV)
- unsigned long close_ip =
- (unsigned long)((struct fptr *)&sys_close)->ip;
- unsigned long chdir_ip =
- (unsigned long)((struct fptr *)&sys_chdir)->ip;
- unsigned long write_ip =
- (unsigned long)((struct fptr *)&sys_write)->ip;
- if (ptr[0] == close_ip && ptr[__NR_chdir - __NR_close] == chdir_ip
- && ptr[__NR_write - __NR_close] == write_ip) {
- sys_call_table = (void *)&(ptr[-1 * (__NR_close - 1024)]);
- break;
- }
-#elif defined(EXPORTED_SYS_WAIT4) && defined(EXPORTED_SYS_CLOSE)
- if (ptr[0] == (unsigned long)&sys_close
- && ptr[__NR_wait4 - __NR_close] == (unsigned long)&sys_wait4) {
- sys_call_table = ptr - __NR_close;
- break;
- }
-#elif defined(EXPORTED_SYS_CHDIR) && defined(EXPORTED_SYS_CLOSE)
- if (ptr[0] == (unsigned long)&sys_close
- && ptr[__NR_chdir - __NR_close] == (unsigned long)&sys_chdir) {
- sys_call_table = ptr - __NR_close;
- break;
- }
-#elif defined(EXPORTED_SYS_OPEN)
- if (ptr[0] == (unsigned long)&sys_exit
- && ptr[__NR_open - __NR_exit] == (unsigned long)&sys_open) {
- sys_call_table = ptr - __NR_exit;
- break;
- }
-#else /* EXPORTED_SYS_OPEN */
- break;
-#endif /* EXPORTED_KALLSYMS_ADDRESS */
- }
-#ifdef EXPORTED_KALLSYMS_ADDRESS
- ret =
- kallsyms_address_to_symbol((unsigned long)sys_call_table, &mod_name,
- &mod_start, &mod_end, &sec_name,
- &sec_start, &sec_end, &sym_name,
- &sym_start, &sym_end);
- if (ret && strcmp(sym_name, "sys_call_table"))
- sys_call_table = 0;
-#endif /* EXPORTED_KALLSYMS_ADDRESS */
- if (!sys_call_table) {
- printf("Failed to find address of sys_call_table\n");
- } else {
- printf("Found sys_call_table at %lx\n", (unsigned long)sys_call_table);
-#if defined(AFS_SPARC64_LINUX20_ENV) || defined(AFS_S390X_LINUX24_ENV)
- error cant support this yet.;
-#endif /* AFS_SPARC64_LINUX20_ENV */
-#endif /* EXPORTED_SYS_CALL_TABLE */
-
-#ifdef AFS_AMD64_LINUX20_ENV
-#ifndef EXPORTED_IA32_SYS_CALL_TABLE
- ia32_sys_call_table = 0;
-#ifdef EXPORTED_KALLSYMS_SYMBOL
- ret = 1;
- token = 0;
- while (ret) {
- sym_start = 0;
- ret = kallsyms_symbol_to_address("ia32_sys_call_table", &token,
- &mod_name, &mod_start, &mod_end,
- &sec_name, &sec_start, &sec_end,
- &sym_name, &sym_start, &sym_end);
- if (ret && !strcmp(mod_name, "kernel"))
- break;
- }
- if (ret && sym_start) {
- ia32_sys_call_table = sym_start;
- }
-#else /* EXPORTED_KALLSYMS_SYMBOL */
-#ifdef EXPORTED_KALLSYMS_ADDRESS
- ret = kallsyms_address_to_symbol((unsigned long)
- &interruptible_sleep_on,
- &mod_name, &mod_start, &mod_end,
- &sec_name, &sec_start, &sec_end,
- &sym_name, &sym_start, &sym_end);
- ptr = (unsigned long *)sec_start;
- datalen = (sec_end - sec_start) / sizeof(unsigned long);
-#else /* EXPORTED_KALLSYMS_ADDRESS */
-#if defined(AFS_AMD64_LINUX20_ENV)
- ptr = (unsigned long *)&interruptible_sleep_on;
- datalen = 0x180000 / sizeof(ptr);
-#else /* AFS_AMD64_LINUX20_ENV */
- ptr = (unsigned long *)&interruptible_sleep_on;
- datalen = 16384;
-#endif /* AFS_AMD64_LINUX20_ENV */
-#endif /* EXPORTED_KALLSYMS_ADDRESS */
- for (offset = 0; offset < datalen; ptr++, offset++) {
- if (ptr[0] == (unsigned long)&sys_exit
- && ptr[__NR_ia32_open - __NR_ia32_exit] ==
- (unsigned long)&sys_open) {
- ia32_sys_call_table = ptr - __NR_ia32_exit;
- break;
- }
- }
-#ifdef EXPORTED_KALLSYMS_ADDRESS
- ret = kallsyms_address_to_symbol((unsigned long)ia32_sys_call_table,
- &mod_name, &mod_start, &mod_end,
- &sec_name, &sec_start, &sec_end,
- &sym_name, &sym_start, &sym_end);
- if (ret && strcmp(sym_name, "ia32_sys_call_table"))
- ia32_sys_call_table = 0;
-#endif /* EXPORTED_KALLSYMS_ADDRESS */
-#endif /* EXPORTED_KALLSYMS_SYMBOL */
- if (!ia32_sys_call_table) {
- printf("Warning: Failed to find address of ia32_sys_call_table\n");
- } else {
- printf("Found ia32_sys_call_table at %lx\n", (unsigned long)ia32_sys_call_table);
- }
-#else
- printf("Found ia32_sys_call_table at %lx\n", (unsigned long)ia32_sys_call_table);
-#endif /* IA32_SYS_CALL_TABLE */
-#endif
-
- /* Initialize pointers to kernel syscalls. */
-#if !defined(AFS_LINUX24_ENV)
- sys_settimeofdayp = SYSCALL2POINTER sys_call_table[_S(__NR_settimeofday)];
-#endif /* AFS_IA64_LINUX20_ENV */
-
- /* setup AFS entry point. */
- if (
-#if defined(AFS_IA64_LINUX20_ENV)
- SYSCALL2POINTER sys_call_table[__NR_afs_syscall - 1024]
-#else
- SYSCALL2POINTER sys_call_table[_S(__NR_afs_syscall)]
-#endif
- == afs_syscall) {
- printf("AFS syscall entry point already in use!\n");
- return -EBUSY;
- }
-#if defined(AFS_IA64_LINUX20_ENV)
- afs_ni_syscall = sys_call_table[__NR_afs_syscall - 1024];
- sys_call_table[__NR_afs_syscall - 1024] =
- POINTER2SYSCALL((struct fptr *)afs_syscall_stub)->ip;
-#else /* AFS_IA64_LINUX20_ENV */
- afs_ni_syscall = sys_call_table[_S(__NR_afs_syscall)];
- sys_call_table[_S(__NR_afs_syscall)] = POINTER2SYSCALL afs_syscall;
-#ifdef AFS_SPARC64_LINUX20_ENV
- afs_ni_syscall32 = sys_call_table32[__NR_afs_syscall];
- sys_call_table32[__NR_afs_syscall] = POINTER2SYSCALL afs_syscall32;
-#endif
-#endif /* AFS_IA64_LINUX20_ENV */
-#ifdef AFS_AMD64_LINUX20_ENV
- if (ia32_sys_call_table) {
- ia32_ni_syscall = ia32_sys_call_table[__NR_ia32_afs_syscall];
- ia32_sys_call_table[__NR_ia32_afs_syscall] =
- POINTER2SYSCALL afs_syscall;
- }
-#endif /* AFS_S390_LINUX22_ENV */
-#ifndef EXPORTED_SYS_CALL_TABLE
- }
-#endif /* EXPORTED_SYS_CALL_TABLE */
osi_Init();
- register_filesystem(&afs_fs_type);
-
- /* Intercept setgroups calls */
- if (sys_call_table) {
-#if defined(AFS_IA64_LINUX20_ENV)
- sys_setgroupsp = (void *)&sys_setgroups;
-
- ((struct fptr *)sys_setgroupsp)->ip =
- SYSCALL2POINTER sys_call_table[__NR_setgroups - 1024];
- ((struct fptr *)sys_setgroupsp)->gp = kernel_gp;
-
- sys_call_table[__NR_setgroups - 1024] =
- POINTER2SYSCALL((struct fptr *)afs_xsetgroups_stub)->ip;
-#else /* AFS_IA64_LINUX20_ENV */
- sys_setgroupsp = SYSCALL2POINTER sys_call_table[_S(__NR_setgroups)];
- sys_call_table[_S(__NR_setgroups)] = POINTER2SYSCALL afs_xsetgroups;
-#ifdef AFS_SPARC64_LINUX20_ENV
- sys32_setgroupsp = SYSCALL2POINTER sys_call_table32[__NR_setgroups];
- sys_call_table32[__NR_setgroups] = POINTER2SYSCALL afs32_xsetgroups;
-#endif /* AFS_SPARC64_LINUX20_ENV */
-#if defined(__NR_setgroups32)
- sys_setgroups32p = SYSCALL2POINTER sys_call_table[__NR_setgroups32];
- sys_call_table[__NR_setgroups32] = POINTER2SYSCALL afs_xsetgroups32;
-#ifdef AFS_SPARC64_LINUX20_ENV
- sys32_setgroups32p =
- SYSCALL2POINTER sys_call_table32[__NR_setgroups32];
- sys_call_table32[__NR_setgroups32] =
- POINTER2SYSCALL afs32_xsetgroups32;
-#endif /* AFS_SPARC64_LINUX20_ENV */
-#endif /* __NR_setgroups32 */
-#ifdef AFS_AMD64_LINUX20_ENV
- if (ia32_sys_call_table) {
- sys32_setgroupsp =
- SYSCALL2POINTER ia32_sys_call_table[__NR_ia32_setgroups];
- ia32_sys_call_table[__NR_ia32_setgroups] =
- POINTER2SYSCALL afs32_xsetgroups;
-#if defined(__NR_ia32_setgroups32)
- sys32_setgroups32p =
- SYSCALL2POINTER ia32_sys_call_table[__NR_ia32_setgroups32];
- ia32_sys_call_table[__NR_ia32_setgroups32] =
- POINTER2SYSCALL afs32_xsetgroups32;
-#endif /* __NR_ia32_setgroups32 */
- }
-#endif /* AFS_AMD64_LINUX20_ENV */
-#endif /* AFS_IA64_LINUX20_ENV */
-
- }
+ err = osi_syscall_init();
+ if (err)
+ return err;
+ err = afs_init_inodecache();
+ if (err)
+ return err;
+ register_filesystem(&afs_fs_type);
osi_sysctl_init();
+#ifdef AFS_LINUX24_ENV
afsproc_init();
+#endif
return 0;
}
#endif
{
osi_sysctl_clean();
- if (sys_call_table) {
-#if defined(AFS_IA64_LINUX20_ENV)
- sys_call_table[__NR_setgroups - 1024] =
- POINTER2SYSCALL((struct fptr *)sys_setgroupsp)->ip;
- sys_call_table[__NR_afs_syscall - 1024] = afs_ni_syscall;
-#else /* AFS_IA64_LINUX20_ENV */
- sys_call_table[_S(__NR_setgroups)] = POINTER2SYSCALL sys_setgroupsp;
- sys_call_table[_S(__NR_afs_syscall)] = afs_ni_syscall;
-# ifdef AFS_SPARC64_LINUX20_ENV
- sys_call_table32[__NR_setgroups] = POINTER2SYSCALL sys32_setgroupsp;
- sys_call_table32[__NR_afs_syscall] = afs_ni_syscall32;
-# endif
-# if defined(__NR_setgroups32)
- sys_call_table[__NR_setgroups32] = POINTER2SYSCALL sys_setgroups32p;
-# ifdef AFS_SPARC64_LINUX20_ENV
- sys_call_table32[__NR_setgroups32] =
- POINTER2SYSCALL sys32_setgroups32p;
-# endif
-# endif
-#endif /* AFS_IA64_LINUX20_ENV */
-#ifdef AFS_AMD64_LINUX20_ENV
- if (ia32_sys_call_table) {
- ia32_sys_call_table[__NR_ia32_setgroups] =
- POINTER2SYSCALL sys32_setgroupsp;
- ia32_sys_call_table[__NR_ia32_afs_syscall] =
- POINTER2SYSCALL ia32_ni_syscall;
-# if defined(__NR_setgroups32)
- ia32_sys_call_table[__NR_ia32_setgroups32] =
- POINTER2SYSCALL sys32_setgroups32p;
-#endif
- }
-#endif
- }
+ osi_syscall_clean();
unregister_filesystem(&afs_fs_type);
- osi_linux_free_inode_pages(); /* Invalidate all pages using AFS inodes. */
+ afs_destroy_inodecache();
osi_linux_free_afs_memory();
+#ifdef AFS_LINUX24_ENV
afsproc_exit();
+#endif
return;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
+MODULE_LICENSE("http://www.openafs.org/dl/license10.html");
module_init(afs_init);
module_exit(afs_cleanup);
#endif
git://git.openafs.org / openafs.git / blobdiff