summaryrefslogtreecommitdiff
path: root/include/uapi/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/acrn.h70
-rw-r--r--include/uapi/linux/amt.h62
-rw-r--r--include/uapi/linux/audit.h9
-rw-r--r--include/uapi/linux/bcache.h445
-rw-r--r--include/uapi/linux/bpf.h241
-rw-r--r--include/uapi/linux/btf.h56
-rw-r--r--include/uapi/linux/btrfs.h11
-rw-r--r--include/uapi/linux/btrfs_tree.h4
-rw-r--r--include/uapi/linux/byteorder/big_endian.h1
-rw-r--r--include/uapi/linux/byteorder/little_endian.h1
-rw-r--r--include/uapi/linux/can/netlink.h44
-rw-r--r--include/uapi/linux/cdrom.h19
-rw-r--r--include/uapi/linux/comedi.h1528
-rw-r--r--include/uapi/linux/counter.h154
-rw-r--r--include/uapi/linux/cyclades.h35
-rw-r--r--include/uapi/linux/devlink.h2
-rw-r--r--include/uapi/linux/dlm_device.h4
-rw-r--r--include/uapi/linux/ethtool.h30
-rw-r--r--include/uapi/linux/ethtool_netlink.h22
-rw-r--r--include/uapi/linux/fanotify.h20
-rw-r--r--include/uapi/linux/fuse.h60
-rw-r--r--include/uapi/linux/futex.h25
-rw-r--r--include/uapi/linux/idxd.h1
-rw-r--r--include/uapi/linux/if_ether.h3
-rw-r--r--include/uapi/linux/if_link.h2
-rw-r--r--include/uapi/linux/io_uring.h5
-rw-r--r--include/uapi/linux/ioam6_iptunnel.h29
-rw-r--r--include/uapi/linux/ip.h1
-rw-r--r--include/uapi/linux/ipmi.h16
-rw-r--r--include/uapi/linux/ipv6.h1
-rw-r--r--include/uapi/linux/kfd_sysfs.h108
-rw-r--r--include/uapi/linux/kvm.h47
-rw-r--r--include/uapi/linux/magic.h6
-rw-r--r--include/uapi/linux/map_to_14segment.h241
-rw-r--r--include/uapi/linux/mctp.h11
-rw-r--r--include/uapi/linux/mdio.h9
-rw-r--r--include/uapi/linux/module.h1
-rw-r--r--include/uapi/linux/mptcp.h53
-rw-r--r--include/uapi/linux/neighbour.h35
-rw-r--r--include/uapi/linux/net_tstamp.h17
-rw-r--r--include/uapi/linux/netfilter.h1
-rw-r--r--include/uapi/linux/netfilter/nf_conntrack_common.h2
-rw-r--r--include/uapi/linux/netfilter/nf_tables.h6
-rw-r--r--include/uapi/linux/nfc.h6
-rw-r--r--include/uapi/linux/nfsd/nfsfh.h115
-rw-r--r--include/uapi/linux/nitro_enclaves.h10
-rw-r--r--include/uapi/linux/nl80211-vnd-intel.h29
-rw-r--r--include/uapi/linux/nl80211.h178
-rw-r--r--include/uapi/linux/pci_regs.h148
-rw-r--r--include/uapi/linux/perf_event.h39
-rw-r--r--include/uapi/linux/pfkeyv2.h2
-rw-r--r--include/uapi/linux/pfrut.h262
-rw-r--r--include/uapi/linux/pkt_cls.h9
-rw-r--r--include/uapi/linux/pkt_sched.h2
-rw-r--r--include/uapi/linux/prctl.h8
-rw-r--r--include/uapi/linux/resource.h13
-rw-r--r--include/uapi/linux/rtc.h31
-rw-r--r--include/uapi/linux/rtnetlink.h2
-rw-r--r--include/uapi/linux/smc.h46
-rw-r--r--include/uapi/linux/soundcard.h2
-rw-r--r--include/uapi/linux/stddef.h37
-rw-r--r--include/uapi/linux/sysctl.h1
-rw-r--r--include/uapi/linux/taskstats.h6
-rw-r--r--include/uapi/linux/tls.h30
-rw-r--r--include/uapi/linux/tty.h1
-rw-r--r--include/uapi/linux/uuid.h10
-rw-r--r--include/uapi/linux/v4l2-controls.h294
-rw-r--r--include/uapi/linux/vdpa.h13
-rw-r--r--include/uapi/linux/videodev2.h37
-rw-r--r--include/uapi/linux/virtio_gpio.h27
-rw-r--r--include/uapi/linux/virtio_gpu.h18
-rw-r--r--include/uapi/linux/virtio_i2c.h6
-rw-r--r--include/uapi/linux/virtio_iommu.h8
-rw-r--r--include/uapi/linux/virtio_mem.h9
-rw-r--r--include/uapi/linux/vm_sockets.h13
-rw-r--r--include/uapi/linux/xfrm.h1
76 files changed, 4098 insertions, 753 deletions
diff --git a/include/uapi/linux/acrn.h b/include/uapi/linux/acrn.h
index 353b2a2e4536..ccf47ed92500 100644
--- a/include/uapi/linux/acrn.h
+++ b/include/uapi/linux/acrn.h
@@ -396,6 +396,7 @@ struct acrn_ptdev_irq {
/* Type of PCI device assignment */
#define ACRN_PTDEV_QUIRK_ASSIGN (1U << 0)
+#define ACRN_MMIODEV_RES_NUM 3
#define ACRN_PCI_NUM_BARS 6
/**
* struct acrn_pcidev - Info for assigning or de-assigning a PCI device
@@ -418,6 +419,67 @@ struct acrn_pcidev {
};
/**
+ * struct acrn_mmiodev - Info for assigning or de-assigning a MMIO device
+ * @name: Name of the MMIO device.
+ * @res[].user_vm_pa: Physical address of User VM of the MMIO region
+ * for the MMIO device.
+ * @res[].service_vm_pa: Physical address of Service VM of the MMIO
+ * region for the MMIO device.
+ * @res[].size: Size of the MMIO region for the MMIO device.
+ * @res[].mem_type: Memory type of the MMIO region for the MMIO
+ * device.
+ *
+ * This structure will be passed to hypervisor directly.
+ */
+struct acrn_mmiodev {
+ __u8 name[8];
+ struct {
+ __u64 user_vm_pa;
+ __u64 service_vm_pa;
+ __u64 size;
+ __u64 mem_type;
+ } res[ACRN_MMIODEV_RES_NUM];
+};
+
+/**
+ * struct acrn_vdev - Info for creating or destroying a virtual device
+ * @id: Union of identifier of the virtual device
+ * @id.value: Raw data of the identifier
+ * @id.fields.vendor: Vendor id of the virtual PCI device
+ * @id.fields.device: Device id of the virtual PCI device
+ * @id.fields.legacy_id: ID of the virtual device if not a PCI device
+ * @slot: Virtual Bus/Device/Function of the virtual
+ * device
+ * @io_base: IO resource base address of the virtual device
+ * @io_size: IO resource size of the virtual device
+ * @args: Arguments for the virtual device creation
+ *
+ * The created virtual device can be a PCI device or a legacy device (e.g.
+ * a virtual UART controller) and it is emulated by the hypervisor. This
+ * structure will be passed to hypervisor directly.
+ */
+struct acrn_vdev {
+ /*
+ * the identifier of the device, the low 32 bits represent the vendor
+ * id and device id of PCI device and the high 32 bits represent the
+ * device number of the legacy device
+ */
+ union {
+ __u64 value;
+ struct {
+ __le16 vendor;
+ __le16 device;
+ __le32 legacy_id;
+ } fields;
+ } id;
+
+ __u64 slot;
+ __u32 io_addr[ACRN_PCI_NUM_BARS];
+ __u32 io_size[ACRN_PCI_NUM_BARS];
+ __u8 args[128];
+};
+
+/**
* struct acrn_msi_entry - Info for injecting a MSI interrupt to a VM
* @msi_addr: MSI addr[19:12] with dest vCPU ID
* @msi_data: MSI data[7:0] with vector
@@ -568,6 +630,14 @@ struct acrn_irqfd {
_IOW(ACRN_IOCTL_TYPE, 0x55, struct acrn_pcidev)
#define ACRN_IOCTL_DEASSIGN_PCIDEV \
_IOW(ACRN_IOCTL_TYPE, 0x56, struct acrn_pcidev)
+#define ACRN_IOCTL_ASSIGN_MMIODEV \
+ _IOW(ACRN_IOCTL_TYPE, 0x57, struct acrn_mmiodev)
+#define ACRN_IOCTL_DEASSIGN_MMIODEV \
+ _IOW(ACRN_IOCTL_TYPE, 0x58, struct acrn_mmiodev)
+#define ACRN_IOCTL_CREATE_VDEV \
+ _IOW(ACRN_IOCTL_TYPE, 0x59, struct acrn_vdev)
+#define ACRN_IOCTL_DESTROY_VDEV \
+ _IOW(ACRN_IOCTL_TYPE, 0x5A, struct acrn_vdev)
#define ACRN_IOCTL_PM_GET_CPU_STATE \
_IOWR(ACRN_IOCTL_TYPE, 0x60, __u64)
diff --git a/include/uapi/linux/amt.h b/include/uapi/linux/amt.h
new file mode 100644
index 000000000000..2dccff417195
--- /dev/null
+++ b/include/uapi/linux/amt.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+/*
+ * Copyright (c) 2021 Taehee Yoo <ap420073@gmail.com>
+ */
+#ifndef _UAPI_AMT_H_
+#define _UAPI_AMT_H_
+
+enum ifla_amt_mode {
+ /* AMT interface works as Gateway mode.
+ * The Gateway mode encapsulates IGMP/MLD traffic and decapsulates
+ * multicast traffic.
+ */
+ AMT_MODE_GATEWAY = 0,
+ /* AMT interface works as Relay mode.
+ * The Relay mode encapsulates multicast traffic and decapsulates
+ * IGMP/MLD traffic.
+ */
+ AMT_MODE_RELAY,
+ __AMT_MODE_MAX,
+};
+
+#define AMT_MODE_MAX (__AMT_MODE_MAX - 1)
+
+enum {
+ IFLA_AMT_UNSPEC,
+ /* This attribute specify mode etier Gateway or Relay. */
+ IFLA_AMT_MODE,
+ /* This attribute specify Relay port.
+ * AMT interface is created as Gateway mode, this attribute is used
+ * to specify relay(remote) port.
+ * AMT interface is created as Relay mode, this attribute is used
+ * as local port.
+ */
+ IFLA_AMT_RELAY_PORT,
+ /* This attribute specify Gateway port.
+ * AMT interface is created as Gateway mode, this attribute is used
+ * as local port.
+ * AMT interface is created as Relay mode, this attribute is not used.
+ */
+ IFLA_AMT_GATEWAY_PORT,
+ /* This attribute specify physical device */
+ IFLA_AMT_LINK,
+ /* This attribute specify local ip address */
+ IFLA_AMT_LOCAL_IP,
+ /* This attribute specify Relay ip address.
+ * So, this is not used by Relay.
+ */
+ IFLA_AMT_REMOTE_IP,
+ /* This attribute specify Discovery ip address.
+ * When Gateway get started, it send discovery message to find the
+ * Relay's ip address.
+ * So, this is not used by Relay.
+ */
+ IFLA_AMT_DISCOVERY_IP,
+ /* This attribute specify number of maximum tunnel. */
+ IFLA_AMT_MAX_TUNNELS,
+ __IFLA_AMT_MAX,
+};
+
+#define IFLA_AMT_MAX (__IFLA_AMT_MAX - 1)
+
+#endif /* _UAPI_AMT_H_ */
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index daa481729e9b..8eda133ca4c1 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -118,6 +118,10 @@
#define AUDIT_TIME_ADJNTPVAL 1333 /* NTP value adjustment */
#define AUDIT_BPF 1334 /* BPF subsystem */
#define AUDIT_EVENT_LISTENER 1335 /* Task joined multicast read socket */
+#define AUDIT_URINGOP 1336 /* io_uring operation */
+#define AUDIT_OPENAT2 1337 /* Record showing openat2 how args */
+#define AUDIT_DM_CTRL 1338 /* Device Mapper target control */
+#define AUDIT_DM_EVENT 1339 /* Device Mapper events */
#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
@@ -166,8 +170,9 @@
#define AUDIT_FILTER_EXCLUDE 0x05 /* Apply rule before record creation */
#define AUDIT_FILTER_TYPE AUDIT_FILTER_EXCLUDE /* obsolete misleading naming */
#define AUDIT_FILTER_FS 0x06 /* Apply rule at __audit_inode_child */
+#define AUDIT_FILTER_URING_EXIT 0x07 /* Apply rule at io_uring op exit */
-#define AUDIT_NR_FILTERS 7
+#define AUDIT_NR_FILTERS 8
#define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */
@@ -509,7 +514,7 @@ struct audit_rule_data {
__u32 values[AUDIT_MAX_FIELDS];
__u32 fieldflags[AUDIT_MAX_FIELDS];
__u32 buflen; /* total length of string fields */
- char buf[0]; /* string fields buffer */
+ char buf[]; /* string fields buffer */
};
#endif /* _UAPI_LINUX_AUDIT_H_ */
diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h
deleted file mode 100644
index cf7399f03b71..000000000000
--- a/include/uapi/linux/bcache.h
+++ /dev/null
@@ -1,445 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _LINUX_BCACHE_H
-#define _LINUX_BCACHE_H
-
-/*
- * Bcache on disk data structures
- */
-
-#include <linux/types.h>
-
-#define BITMASK(name, type, field, offset, size) \
-static inline __u64 name(const type *k) \
-{ return (k->field >> offset) & ~(~0ULL << size); } \
- \
-static inline void SET_##name(type *k, __u64 v) \
-{ \
- k->field &= ~(~(~0ULL << size) << offset); \
- k->field |= (v & ~(~0ULL << size)) << offset; \
-}
-
-/* Btree keys - all units are in sectors */
-
-struct bkey {
- __u64 high;
- __u64 low;
- __u64 ptr[];
-};
-
-#define KEY_FIELD(name, field, offset, size) \
- BITMASK(name, struct bkey, field, offset, size)
-
-#define PTR_FIELD(name, offset, size) \
-static inline __u64 name(const struct bkey *k, unsigned int i) \
-{ return (k->ptr[i] >> offset) & ~(~0ULL << size); } \
- \
-static inline void SET_##name(struct bkey *k, unsigned int i, __u64 v) \
-{ \
- k->ptr[i] &= ~(~(~0ULL << size) << offset); \
- k->ptr[i] |= (v & ~(~0ULL << size)) << offset; \
-}
-
-#define KEY_SIZE_BITS 16
-#define KEY_MAX_U64S 8
-
-KEY_FIELD(KEY_PTRS, high, 60, 3)
-KEY_FIELD(HEADER_SIZE, high, 58, 2)
-KEY_FIELD(KEY_CSUM, high, 56, 2)
-KEY_FIELD(KEY_PINNED, high, 55, 1)
-KEY_FIELD(KEY_DIRTY, high, 36, 1)
-
-KEY_FIELD(KEY_SIZE, high, 20, KEY_SIZE_BITS)
-KEY_FIELD(KEY_INODE, high, 0, 20)
-
-/* Next time I change the on disk format, KEY_OFFSET() won't be 64 bits */
-
-static inline __u64 KEY_OFFSET(const struct bkey *k)
-{
- return k->low;
-}
-
-static inline void SET_KEY_OFFSET(struct bkey *k, __u64 v)
-{
- k->low = v;
-}
-
-/*
- * The high bit being set is a relic from when we used it to do binary
- * searches - it told you where a key started. It's not used anymore,
- * and can probably be safely dropped.
- */
-#define KEY(inode, offset, size) \
-((struct bkey) { \
- .high = (1ULL << 63) | ((__u64) (size) << 20) | (inode), \
- .low = (offset) \
-})
-
-#define ZERO_KEY KEY(0, 0, 0)
-
-#define MAX_KEY_INODE (~(~0 << 20))
-#define MAX_KEY_OFFSET (~0ULL >> 1)
-#define MAX_KEY KEY(MAX_KEY_INODE, MAX_KEY_OFFSET, 0)
-
-#define KEY_START(k) (KEY_OFFSET(k) - KEY_SIZE(k))
-#define START_KEY(k) KEY(KEY_INODE(k), KEY_START(k), 0)
-
-#define PTR_DEV_BITS 12
-
-PTR_FIELD(PTR_DEV, 51, PTR_DEV_BITS)
-PTR_FIELD(PTR_OFFSET, 8, 43)
-PTR_FIELD(PTR_GEN, 0, 8)
-
-#define PTR_CHECK_DEV ((1 << PTR_DEV_BITS) - 1)
-
-#define MAKE_PTR(gen, offset, dev) \
- ((((__u64) dev) << 51) | ((__u64) offset) << 8 | gen)
-
-/* Bkey utility code */
-
-static inline unsigned long bkey_u64s(const struct bkey *k)
-{
- return (sizeof(struct bkey) / sizeof(__u64)) + KEY_PTRS(k);
-}
-
-static inline unsigned long bkey_bytes(const struct bkey *k)
-{
- return bkey_u64s(k) * sizeof(__u64);
-}
-
-#define bkey_copy(_dest, _src) memcpy(_dest, _src, bkey_bytes(_src))
-
-static inline void bkey_copy_key(struct bkey *dest, const struct bkey *src)
-{
- SET_KEY_INODE(dest, KEY_INODE(src));
- SET_KEY_OFFSET(dest, KEY_OFFSET(src));
-}
-
-static inline struct bkey *bkey_next(const struct bkey *k)
-{
- __u64 *d = (void *) k;
-
- return (struct bkey *) (d + bkey_u64s(k));
-}
-
-static inline struct bkey *bkey_idx(const struct bkey *k, unsigned int nr_keys)
-{
- __u64 *d = (void *) k;
-
- return (struct bkey *) (d + nr_keys);
-}
-/* Enough for a key with 6 pointers */
-#define BKEY_PAD 8
-
-#define BKEY_PADDED(key) \
- union { struct bkey key; __u64 key ## _pad[BKEY_PAD]; }
-
-/* Superblock */
-
-/* Version 0: Cache device
- * Version 1: Backing device
- * Version 2: Seed pointer into btree node checksum
- * Version 3: Cache device with new UUID format
- * Version 4: Backing device with data offset
- */
-#define BCACHE_SB_VERSION_CDEV 0
-#define BCACHE_SB_VERSION_BDEV 1
-#define BCACHE_SB_VERSION_CDEV_WITH_UUID 3
-#define BCACHE_SB_VERSION_BDEV_WITH_OFFSET 4
-#define BCACHE_SB_VERSION_CDEV_WITH_FEATURES 5
-#define BCACHE_SB_VERSION_BDEV_WITH_FEATURES 6
-#define BCACHE_SB_MAX_VERSION 6
-
-#define SB_SECTOR 8
-#define SB_OFFSET (SB_SECTOR << SECTOR_SHIFT)
-#define SB_SIZE 4096
-#define SB_LABEL_SIZE 32
-#define SB_JOURNAL_BUCKETS 256U
-/* SB_JOURNAL_BUCKETS must be divisible by BITS_PER_LONG */
-#define MAX_CACHES_PER_SET 8
-
-#define BDEV_DATA_START_DEFAULT 16 /* sectors */
-
-struct cache_sb_disk {
- __le64 csum;
- __le64 offset; /* sector where this sb was written */
- __le64 version;
-
- __u8 magic[16];
-
- __u8 uuid[16];
- union {
- __u8 set_uuid[16];
- __le64 set_magic;
- };
- __u8 label[SB_LABEL_SIZE];
-
- __le64 flags;
- __le64 seq;
-
- __le64 feature_compat;
- __le64 feature_incompat;
- __le64 feature_ro_compat;
-
- __le64 pad[5];
-
- union {
- struct {
- /* Cache devices */
- __le64 nbuckets; /* device size */
-
- __le16 block_size; /* sectors */
- __le16 bucket_size; /* sectors */
-
- __le16 nr_in_set;
- __le16 nr_this_dev;
- };
- struct {
- /* Backing devices */
- __le64 data_offset;
-
- /*
- * block_size from the cache device section is still used by
- * backing devices, so don't add anything here until we fix
- * things to not need it for backing devices anymore
- */
- };
- };
-
- __le32 last_mount; /* time overflow in y2106 */
-
- __le16 first_bucket;
- union {
- __le16 njournal_buckets;
- __le16 keys;
- };
- __le64 d[SB_JOURNAL_BUCKETS]; /* journal buckets */
- __le16 obso_bucket_size_hi; /* obsoleted */
-};
-
-/*
- * This is for in-memory bcache super block.
- * NOTE: cache_sb is NOT exactly mapping to cache_sb_disk, the member
- * size, ordering and even whole struct size may be different
- * from cache_sb_disk.
- */
-struct cache_sb {
- __u64 offset; /* sector where this sb was written */
- __u64 version;
-
- __u8 magic[16];
-
- __u8 uuid[16];
- union {
- __u8 set_uuid[16];
- __u64 set_magic;
- };
- __u8 label[SB_LABEL_SIZE];
-
- __u64 flags;
- __u64 seq;
-
- __u64 feature_compat;
- __u64 feature_incompat;
- __u64 feature_ro_compat;
-
- union {
- struct {
- /* Cache devices */
- __u64 nbuckets; /* device size */
-
- __u16 block_size; /* sectors */
- __u16 nr_in_set;
- __u16 nr_this_dev;
- __u32 bucket_size; /* sectors */
- };
- struct {
- /* Backing devices */
- __u64 data_offset;
-
- /*
- * block_size from the cache device section is still used by
- * backing devices, so don't add anything here until we fix
- * things to not need it for backing devices anymore
- */
- };
- };
-
- __u32 last_mount; /* time overflow in y2106 */
-
- __u16 first_bucket;
- union {
- __u16 njournal_buckets;
- __u16 keys;
- };
- __u64 d[SB_JOURNAL_BUCKETS]; /* journal buckets */
-};
-
-static inline _Bool SB_IS_BDEV(const struct cache_sb *sb)
-{
- return sb->version == BCACHE_SB_VERSION_BDEV
- || sb->version == BCACHE_SB_VERSION_BDEV_WITH_OFFSET
- || sb->version == BCACHE_SB_VERSION_BDEV_WITH_FEATURES;
-}
-
-BITMASK(CACHE_SYNC, struct cache_sb, flags, 0, 1);
-BITMASK(CACHE_DISCARD, struct cache_sb, flags, 1, 1);
-BITMASK(CACHE_REPLACEMENT, struct cache_sb, flags, 2, 3);
-#define CACHE_REPLACEMENT_LRU 0U
-#define CACHE_REPLACEMENT_FIFO 1U
-#define CACHE_REPLACEMENT_RANDOM 2U
-
-BITMASK(BDEV_CACHE_MODE, struct cache_sb, flags, 0, 4);
-#define CACHE_MODE_WRITETHROUGH 0U
-#define CACHE_MODE_WRITEBACK 1U
-#define CACHE_MODE_WRITEAROUND 2U
-#define CACHE_MODE_NONE 3U
-BITMASK(BDEV_STATE, struct cache_sb, flags, 61, 2);
-#define BDEV_STATE_NONE 0U
-#define BDEV_STATE_CLEAN 1U
-#define BDEV_STATE_DIRTY 2U
-#define BDEV_STATE_STALE 3U
-
-/*
- * Magic numbers
- *
- * The various other data structures have their own magic numbers, which are
- * xored with the first part of the cache set's UUID
- */
-
-#define JSET_MAGIC 0x245235c1a3625032ULL
-#define PSET_MAGIC 0x6750e15f87337f91ULL
-#define BSET_MAGIC 0x90135c78b99e07f5ULL
-
-static inline __u64 jset_magic(struct cache_sb *sb)
-{
- return sb->set_magic ^ JSET_MAGIC;
-}
-
-static inline __u64 pset_magic(struct cache_sb *sb)
-{
- return sb->set_magic ^ PSET_MAGIC;
-}
-
-static inline __u64 bset_magic(struct cache_sb *sb)
-{
- return sb->set_magic ^ BSET_MAGIC;
-}
-