*
* Copyright (c) 2014, 2016, Intel Corporation.
*/
-#ifndef LUSTRE_IOCTL_H_
-#define LUSTRE_IOCTL_H_
+#ifndef _UAPI_LUSTRE_IOCTL_H
+#define _UAPI_LUSTRE_IOCTL_H
+#include <linux/ioctl.h>
+#include <linux/kernel.h>
#include <linux/types.h>
-#include <libcfs/libcfs.h>
#include <lustre/lustre_idl.h>
-#ifdef __KERNEL__
-# include <linux/ioctl.h>
-# include <linux/string.h>
-# include <obd_support.h>
-#else /* __KERNEL__ */
-# include <malloc.h>
-# include <string.h>
-#include <libcfs/util/ioctl.h>
-#endif /* !__KERNEL__ */
-
#if !defined(__KERNEL__) && !defined(LUSTRE_UTILS)
# error This file is for Lustre internal use only.
#endif
+/* Handle older distros */
+#ifndef __ALIGN_KERNEL
+# define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
+# define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
+#endif
+
enum md_echo_cmd {
ECHO_MD_CREATE = 1, /* Open/Create file on MDT */
ECHO_MD_MKDIR = 2, /* Mkdir on MDT */
static inline __u32 obd_ioctl_packlen(struct obd_ioctl_data *data)
{
- __u32 len = cfs_size_round(sizeof(*data));
+ __u32 len = __ALIGN_KERNEL(sizeof(*data), 8);
- len += cfs_size_round(data->ioc_inllen1);
- len += cfs_size_round(data->ioc_inllen2);
- len += cfs_size_round(data->ioc_inllen3);
- len += cfs_size_round(data->ioc_inllen4);
+ len += __ALIGN_KERNEL(data->ioc_inllen1, 8);
+ len += __ALIGN_KERNEL(data->ioc_inllen2, 8);
+ len += __ALIGN_KERNEL(data->ioc_inllen3, 8);
+ len += __ALIGN_KERNEL(data->ioc_inllen4, 8);
return len;
}
-static inline int obd_ioctl_is_invalid(struct obd_ioctl_data *data)
-{
- if (data->ioc_len > (1 << 30)) {
- CERROR("OBD ioctl: ioc_len larger than 1<<30\n");
- return 1;
- }
-
- if (data->ioc_inllen1 > (1 << 30)) {
- CERROR("OBD ioctl: ioc_inllen1 larger than 1<<30\n");
- return 1;
- }
-
- if (data->ioc_inllen2 > (1 << 30)) {
- CERROR("OBD ioctl: ioc_inllen2 larger than 1<<30\n");
- return 1;
- }
-
- if (data->ioc_inllen3 > (1 << 30)) {
- CERROR("OBD ioctl: ioc_inllen3 larger than 1<<30\n");
- return 1;
- }
-
- if (data->ioc_inllen4 > (1 << 30)) {
- CERROR("OBD ioctl: ioc_inllen4 larger than 1<<30\n");
- return 1;
- }
-
- if (data->ioc_inlbuf1 != NULL && data->ioc_inllen1 == 0) {
- CERROR("OBD ioctl: inlbuf1 pointer but 0 length\n");
- return 1;
- }
-
- if (data->ioc_inlbuf2 != NULL && data->ioc_inllen2 == 0) {
- CERROR("OBD ioctl: inlbuf2 pointer but 0 length\n");
- return 1;
- }
-
- if (data->ioc_inlbuf3 != NULL && data->ioc_inllen3 == 0) {
- CERROR("OBD ioctl: inlbuf3 pointer but 0 length\n");
- return 1;
- }
-
- if (data->ioc_inlbuf4 != NULL && data->ioc_inllen4 == 0) {
- CERROR("OBD ioctl: inlbuf4 pointer but 0 length\n");
- return 1;
- }
-
- if (data->ioc_pbuf1 != NULL && data->ioc_plen1 == 0) {
- CERROR("OBD ioctl: pbuf1 pointer but 0 length\n");
- return 1;
- }
-
- if (data->ioc_pbuf2 != NULL && data->ioc_plen2 == 0) {
- CERROR("OBD ioctl: pbuf2 pointer but 0 length\n");
- return 1;
- }
-
- if (data->ioc_pbuf1 == NULL && data->ioc_plen1 != 0) {
- CERROR("OBD ioctl: plen1 set but NULL pointer\n");
- return 1;
- }
-
- if (data->ioc_pbuf2 == NULL && data->ioc_plen2 != 0) {
- CERROR("OBD ioctl: plen2 set but NULL pointer\n");
- return 1;
- }
-
- if (obd_ioctl_packlen(data) > data->ioc_len) {
- CERROR("OBD ioctl: packlen exceeds ioc_len (%d > %d)\n",
- obd_ioctl_packlen(data), data->ioc_len);
- return 1;
- }
-
- return 0;
-}
-
-#ifdef __KERNEL__
-
-int obd_ioctl_getdata(char **buf, int *len, void __user *arg);
-int obd_ioctl_popdata(void __user *arg, void *data, int len);
-
-static inline void obd_ioctl_freedata(char *buf, size_t len)
-{
- ENTRY;
-
- OBD_FREE_LARGE(buf, len);
- EXIT;
-}
-
-#else /* __KERNEL__ */
-
-static inline int obd_ioctl_pack(struct obd_ioctl_data *data, char **pbuf,
- int max_len)
-{
- char *ptr;
- struct obd_ioctl_data *overlay;
-
- data->ioc_len = obd_ioctl_packlen(data);
- data->ioc_version = OBD_IOCTL_VERSION;
-
- if (*pbuf != NULL && data->ioc_len > max_len) {
- fprintf(stderr, "pbuf = %p, ioc_len = %u, max_len = %d\n",
- *pbuf, data->ioc_len, max_len);
- return -EINVAL;
- }
-
- if (*pbuf == NULL)
- *pbuf = malloc(data->ioc_len);
-
- if (*pbuf == NULL)
- return -ENOMEM;
-
- overlay = (struct obd_ioctl_data *)*pbuf;
- memcpy(*pbuf, data, sizeof(*data));
-
- ptr = overlay->ioc_bulk;
- if (data->ioc_inlbuf1) {
- memcpy(ptr, data->ioc_inlbuf1, data->ioc_inllen1);
- ptr += cfs_size_round(data->ioc_inllen1);
- }
-
- if (data->ioc_inlbuf2) {
- memcpy(ptr, data->ioc_inlbuf2, data->ioc_inllen2);
- ptr += cfs_size_round(data->ioc_inllen2);
- }
-
- if (data->ioc_inlbuf3) {
- memcpy(ptr, data->ioc_inlbuf3, data->ioc_inllen3);
- ptr += cfs_size_round(data->ioc_inllen3);
- }
-
- if (data->ioc_inlbuf4) {
- memcpy(ptr, data->ioc_inlbuf4, data->ioc_inllen4);
- ptr += cfs_size_round(data->ioc_inllen4);
- }
-
- if (obd_ioctl_is_invalid(overlay)) {
- fprintf(stderr, "invalid ioctl data: ioc_len = %u, "
- "max_len = %d\n",
- data->ioc_len, max_len);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static inline int
-obd_ioctl_unpack(struct obd_ioctl_data *data, char *pbuf, int max_len)
-{
- char *ptr;
- struct obd_ioctl_data *overlay;
-
- if (pbuf == NULL)
- return 1;
-
- overlay = (struct obd_ioctl_data *)pbuf;
-
- /* Preserve the caller's buffer pointers */
- overlay->ioc_inlbuf1 = data->ioc_inlbuf1;
- overlay->ioc_inlbuf2 = data->ioc_inlbuf2;
- overlay->ioc_inlbuf3 = data->ioc_inlbuf3;
- overlay->ioc_inlbuf4 = data->ioc_inlbuf4;
-
- memcpy(data, pbuf, sizeof(*data));
-
- ptr = overlay->ioc_bulk;
- if (data->ioc_inlbuf1) {
- memcpy(data->ioc_inlbuf1, ptr, data->ioc_inllen1);
- ptr += cfs_size_round(data->ioc_inllen1);
- }
-
- if (data->ioc_inlbuf2) {
- memcpy(data->ioc_inlbuf2, ptr, data->ioc_inllen2);
- ptr += cfs_size_round(data->ioc_inllen2);
- }
-
- if (data->ioc_inlbuf3) {
- memcpy(data->ioc_inlbuf3, ptr, data->ioc_inllen3);
- ptr += cfs_size_round(data->ioc_inllen3);
- }
-
- if (data->ioc_inlbuf4) {
- memcpy(data->ioc_inlbuf4, ptr, data->ioc_inllen4);
- ptr += cfs_size_round(data->ioc_inllen4);
- }
-
- return 0;
-}
-
-#endif /* !__KERNEL__ */
-
-/* OBD_IOC_DATA_TYPE is only for compatibility reasons with older
+/*
+ * OBD_IOC_DATA_TYPE is only for compatibility reasons with older
* Linux Lustre user tools. New ioctls should NOT use this macro as
* the ioctl "size". Instead the ioctl should get a "size" argument
* which is the actual data type used by the ioctl, to ensure the
- * ioctl interface is versioned correctly. */
+ * ioctl interface is versioned correctly.
+ */
#define OBD_IOC_DATA_TYPE long
/* IOC_LDLM_TEST _IOWR('f', 40, long) */
/* IOC_LDLM_REGRESS_STOP _IOWR('f', 43, long) */
#define OBD_IOC_CREATE _IOWR('f', 101, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_DESTROY _IOW ('f', 104, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_DESTROY _IOW('f', 104, OBD_IOC_DATA_TYPE)
/* OBD_IOC_PREALLOCATE _IOWR('f', 105, OBD_IOC_DATA_TYPE) */
-#define OBD_IOC_SETATTR _IOW ('f', 107, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_SETATTR _IOW('f', 107, OBD_IOC_DATA_TYPE)
#define OBD_IOC_GETATTR _IOWR('f', 108, OBD_IOC_DATA_TYPE)
#define OBD_IOC_READ _IOWR('f', 109, OBD_IOC_DATA_TYPE)
#define OBD_IOC_WRITE _IOWR('f', 110, OBD_IOC_DATA_TYPE)
#define OBD_IOC_STATFS _IOWR('f', 113, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_SYNC _IOW ('f', 114, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_SYNC _IOW('f', 114, OBD_IOC_DATA_TYPE)
/* OBD_IOC_READ2 _IOWR('f', 115, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_FORMAT _IOWR('f', 116, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_PARTITION _IOWR('f', 117, OBD_IOC_DATA_TYPE) */
#define OBD_IOC_NAME2DEV _IOWR('f', 127, OBD_IOC_DATA_TYPE)
#define OBD_IOC_UUID2DEV _IOWR('f', 130, OBD_IOC_DATA_TYPE)
#define OBD_IOC_GETNAME _IOWR('f', 131, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_GETMDNAME _IOR ('f', 131, char[MAX_OBD_NAME])
+#define OBD_IOC_GETMDNAME _IOR('f', 131, char[MAX_OBD_NAME])
#define OBD_IOC_GETDTNAME OBD_IOC_GETNAME
#define OBD_IOC_LOV_GET_CONFIG _IOWR('f', 132, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_CLIENT_RECOVER _IOW ('f', 133, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_PING_TARGET _IOW ('f', 136, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_CLIENT_RECOVER _IOW('f', 133, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_PING_TARGET _IOW('f', 136, OBD_IOC_DATA_TYPE)
/* OBD_IOC_DEC_FS_USE_COUNT _IO('f', 139) */
-#define OBD_IOC_NO_TRANSNO _IOW ('f', 140, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_SET_READONLY _IOW ('f', 141, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_ABORT_RECOVERY _IOR ('f', 142, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_NO_TRANSNO _IOW('f', 140, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_SET_READONLY _IOW('f', 141, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_ABORT_RECOVERY _IOR('f', 142, OBD_IOC_DATA_TYPE)
/* OBD_IOC_ROOT_SQUASH _IOWR('f', 143, OBD_IOC_DATA_TYPE) */
#define OBD_GET_VERSION _IOWR('f', 144, OBD_IOC_DATA_TYPE)
/* OBD_IOC_GSS_SUPPORT _IOWR('f', 145, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_CLOSE_UUID _IOWR('f', 147, OBD_IOC_DATA_TYPE) */
-/* OBD_IOC_CHANGELOG_SEND _IOW ('f', 148, OBD_IOC_DATA_TYPE) */
+/* OBD_IOC_CHANGELOG_SEND _IOW('f', 148, OBD_IOC_DATA_TYPE) */
#define OBD_IOC_GETDEVICE _IOWR('f', 149, OBD_IOC_DATA_TYPE)
#define OBD_IOC_FID2PATH _IOWR('f', 150, OBD_IOC_DATA_TYPE)
/* lustre/lustre_user.h 151-153 */
/* OBD_IOC_LOV_GETSTRIPE 155 LL_IOC_LOV_GETSTRIPE */
/* OBD_IOC_LOV_SETEA 156 LL_IOC_LOV_SETEA */
/* lustre/lustre_user.h 157-159 */
-/* OBD_IOC_QUOTACHECK _IOW ('f', 160, int) */
-/* OBD_IOC_POLL_QUOTACHECK _IOR ('f', 161, struct if_quotacheck *) */
+/* OBD_IOC_QUOTACHECK _IOW('f', 160, int) */
+/* OBD_IOC_POLL_QUOTACHECK _IOR('f', 161, struct if_quotacheck *) */
#define OBD_IOC_QUOTACTL _IOWR('f', 162, struct if_quotactl)
/* lustre/lustre_user.h 163-176 */
-#define OBD_IOC_CHANGELOG_REG _IOW ('f', 177, struct obd_ioctl_data)
-#define OBD_IOC_CHANGELOG_DEREG _IOW ('f', 178, struct obd_ioctl_data)
-#define OBD_IOC_CHANGELOG_CLEAR _IOW ('f', 179, struct obd_ioctl_data)
+#define OBD_IOC_CHANGELOG_REG _IOW('f', 177, struct obd_ioctl_data)
+#define OBD_IOC_CHANGELOG_DEREG _IOW('f', 178, struct obd_ioctl_data)
+#define OBD_IOC_CHANGELOG_CLEAR _IOW('f', 179, struct obd_ioctl_data)
/* OBD_IOC_RECORD _IOWR('f', 180, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_ENDRECORD _IOWR('f', 181, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_PARSE _IOWR('f', 182, OBD_IOC_DATA_TYPE) */
#define OBD_IOC_PROCESS_CFG _IOWR('f', 184, OBD_IOC_DATA_TYPE)
/* OBD_IOC_DUMP_LOG _IOWR('f', 185, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_CLEAR_LOG _IOWR('f', 186, OBD_IOC_DATA_TYPE) */
-#define OBD_IOC_PARAM _IOW ('f', 187, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_PARAM _IOW('f', 187, OBD_IOC_DATA_TYPE)
#define OBD_IOC_POOL _IOWR('f', 188, OBD_IOC_DATA_TYPE)
#define OBD_IOC_REPLACE_NIDS _IOWR('f', 189, OBD_IOC_DATA_TYPE)
#define OBD_IOC_LCFG_FORK _IOWR('f', 208, OBD_IOC_DATA_TYPE)
#define OBD_IOC_LCFG_ERASE _IOWR('f', 209, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_GET_OBJ_VERSION _IOR ('f', 210, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_GET_OBJ_VERSION _IOR('f', 210, OBD_IOC_DATA_TYPE)
/* lustre/lustre_user.h 212-217 */
-#define OBD_IOC_GET_MNTOPT _IOW ('f', 220, mntopt_t)
-#define OBD_IOC_ECHO_MD _IOR ('f', 221, struct obd_ioctl_data)
+#define OBD_IOC_GET_MNTOPT _IOW('f', 220, mntopt_t)
+#define OBD_IOC_ECHO_MD _IOR('f', 221, struct obd_ioctl_data)
#define OBD_IOC_ECHO_ALLOC_SEQ _IOWR('f', 222, struct obd_ioctl_data)
#define OBD_IOC_START_LFSCK _IOWR('f', 230, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_STOP_LFSCK _IOW ('f', 231, OBD_IOC_DATA_TYPE)
+#define OBD_IOC_STOP_LFSCK _IOW('f', 231, OBD_IOC_DATA_TYPE)
#define OBD_IOC_QUERY_LFSCK _IOR('f', 232, struct obd_ioctl_data)
/* lustre/lustre_user.h 240-249 */
/* LIBCFS_IOC_DEBUG_MASK 250 */
#define IOC_OSC_SET_ACTIVE _IOWR('h', 21, void *)
-#endif /* LUSTRE_IOCTL_H_ */
+#endif /* _UAPI_LUSTRE_IOCTL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff