X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Futils%2Flustreapi_internal.h;h=72e2eccd38f950369e4fe41bdc4548654aa93a84;hb=dbedb9a5f0bdd0012e8e15379b807d313060b65a;hp=ba2a84775f79b288c8bf0db067106246b25b4d19;hpb=b8afd0dcd3834a88b0ceead18c71d37052a00a8d;p=fs%2Flustre-release.git

diff --git a/lustre/utils/lustreapi_internal.h b/lustre/utils/lustreapi_internal.h
index ba2a847..72e2ecc 100644
--- a/lustre/utils/lustreapi_internal.h
+++ b/lustre/utils/lustreapi_internal.h
@@ -4,10 +4,10 @@
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * (C) Copyright 2012 Commissariat a l'energie atomique et aux energies
- *
- * Copyright (c) 2016, Intel Corporation.
  *     alternatives
  *
+ * Copyright (c) 2016, 2017, Intel Corporation.
+ *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the GNU Lesser General Public License
  * (LGPL) version 2.1 or (at your discretion) any later version.
@@ -26,8 +26,6 @@
  *
  * lustre/utils/lustreapi_internal.h
  *
- * Copyright (c) 2016 Intel Corporation.
- *
  * Author: Aurelien Degremont <aurelien.degremont@cea.fr>
  * Author: JC Lafoucriere <jacques-charles.lafoucriere@cea.fr>
  * Author: Thomas Leibovici <thomas.leibovici@cea.fr>
@@ -42,25 +40,35 @@
 #include <libcfs/util/ioctl.h>
 #include <libcfs/util/param.h>
 
-#include <linux/lustre_ioctl.h>
-#include <uapi_kernelcomm.h>
+#include <linux/lustre/lustre_ioctl.h>
+#include <linux/lustre/lustre_kernelcomm.h>
+
+#define MAX_IOC_BUFLEN	8192
+#define MAX_LINE_LEN	 256
+#define MAX_INSTANCE_LEN  32
 
 #define WANT_PATH   0x1
 #define WANT_FSNAME 0x2
 #define WANT_FD     0x4
 #define WANT_INDEX  0x8
 #define WANT_ERROR  0x10
+#define WANT_DEV    0x20
+#define WANT_NID    0x40
+
+/* Define a fixed 4096-byte encryption unit size */
+#define LUSTRE_ENCRYPTION_BLOCKBITS   12
+#define LUSTRE_ENCRYPTION_UNIT_SIZE   ((size_t)1 << LUSTRE_ENCRYPTION_BLOCKBITS)
+#define LUSTRE_ENCRYPTION_MASK        (~(LUSTRE_ENCRYPTION_UNIT_SIZE - 1))
 
 /* mount point listings in /proc/mounts */
 #ifndef PROC_MOUNTS
 #define PROC_MOUNTS "/proc/mounts"
 #endif
 
-int get_root_path(int want, char *fsname, int *outfd, char *path, int index);
-int root_ioctl(const char *mdtname, int opc, void *data, int *mdtidxp,
-	       int want_error);
-int obd_ioctl_pack(struct obd_ioctl_data *data, char **pbuf, int max_len);
-int obd_ioctl_unpack(struct obd_ioctl_data *data, char *pbuf, int max_len);
+int get_root_path(int want, char *fsname, int *outfd, char *path, int index,
+		  dev_t *dev, char *nid);
+int llapi_ioctl_pack(struct obd_ioctl_data *data, char **pbuf, int max_len);
+int llapi_ioctl_unpack(struct obd_ioctl_data *data, char *pbuf, int max_len);
 int sattr_cache_get_defaults(const char *const fsname,
 			     const char *const pathname, unsigned int *scount,
 			     unsigned int *ssize, unsigned int *soffset);
@@ -128,10 +136,45 @@ static inline bool llapi_stripe_index_is_valid(int64_t index)
 	return index >= -1 && index <= LOV_V1_INSANE_STRIPE_COUNT;
 }
 
+static inline bool llapi_pool_name_is_valid(const char **pool_name)
+{
+	const char *ptr;
+
+	if (*pool_name == NULL)
+		return false;
+
+	/* Strip off any 'fsname.' portion. */
+	ptr = strchr(*pool_name, '.');
+	if (ptr != NULL)
+		*pool_name = ptr + 1;
+
+	if (strlen(*pool_name) > LOV_MAXPOOLNAME)
+		return false;
+
+	return true;
+}
+
 /* Compatibility macro for legacy llapi functions that use "offset"
  * terminology instead of the preferred "index". */
 #define llapi_stripe_offset_is_valid(os) llapi_stripe_index_is_valid(os)
 
+static inline bool llapi_dir_stripe_count_is_valid(int64_t count)
+{
+	return count >= -1 && count <= LMV_MAX_STRIPE_COUNT;
+}
+
+static inline bool llapi_dir_stripe_index_is_valid(int64_t index)
+{
+	return index >= -1 && index < LMV_MAX_STRIPE_COUNT;
+}
+
+static inline bool llapi_dir_hash_type_is_valid(int64_t hash)
+{
+	int64_t _hash = hash & LMV_HASH_TYPE_MASK;
+
+	return _hash >= LMV_HASH_TYPE_UNKNOWN && _hash <  LMV_HASH_TYPE_MAX;
+}
+
 /*
  * Kernel communication for Changelogs and HSM requests.
  */
@@ -140,4 +183,14 @@ int libcfs_ukuc_stop(struct lustre_kernelcomm *l);
 int libcfs_ukuc_get_rfd(struct lustre_kernelcomm *link);
 int libcfs_ukuc_msg_get(struct lustre_kernelcomm *l, char *buf, int maxsize,
 			int transport);
+
+enum get_lmd_info_type {
+	GET_LMD_INFO = 1,
+	GET_LMD_STRIPE = 2,
+};
+
+int get_lmd_info_fd(const char *path, int parentfd, int dirfd,
+		    void *lmd_buf, int lmd_len, enum get_lmd_info_type type);
+
+int lov_comp_md_size(struct lov_comp_md_v1 *lcm);
 #endif /* _LUSTREAPI_INTERNAL_H_ */