[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/block/aoe/aoe.h b/src/kernel/linux/v4.14/drivers/block/aoe/aoe.h
new file mode 100644
index 0000000..9220f8e
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/block/aoe/aoe.h
@@ -0,0 +1,240 @@
+/* Copyright (c) 2013 Coraid, Inc. See COPYING for GPL terms. */
+#define VERSION "85"
+#define AOE_MAJOR 152
+#define DEVICE_NAME "aoe"
+
+/* set AOE_PARTITIONS to 1 to use whole-disks only
+ * default is 16, which is 15 partitions plus the whole disk
+ */
+#ifndef AOE_PARTITIONS
+#define AOE_PARTITIONS (16)
+#endif
+
+#define WHITESPACE " \t\v\f\n,"
+
+enum {
+ AOECMD_ATA,
+ AOECMD_CFG,
+ AOECMD_VEND_MIN = 0xf0,
+
+ AOEFL_RSP = (1<<3),
+ AOEFL_ERR = (1<<2),
+
+ AOEAFL_EXT = (1<<6),
+ AOEAFL_DEV = (1<<4),
+ AOEAFL_ASYNC = (1<<1),
+ AOEAFL_WRITE = (1<<0),
+
+ AOECCMD_READ = 0,
+ AOECCMD_TEST,
+ AOECCMD_PTEST,
+ AOECCMD_SET,
+ AOECCMD_FSET,
+
+ AOE_HVER = 0x10,
+};
+
+struct aoe_hdr {
+ unsigned char dst[6];
+ unsigned char src[6];
+ __be16 type;
+ unsigned char verfl;
+ unsigned char err;
+ __be16 major;
+ unsigned char minor;
+ unsigned char cmd;
+ __be32 tag;
+};
+
+struct aoe_atahdr {
+ unsigned char aflags;
+ unsigned char errfeat;
+ unsigned char scnt;
+ unsigned char cmdstat;
+ unsigned char lba0;
+ unsigned char lba1;
+ unsigned char lba2;
+ unsigned char lba3;
+ unsigned char lba4;
+ unsigned char lba5;
+ unsigned char res[2];
+};
+
+struct aoe_cfghdr {
+ __be16 bufcnt;
+ __be16 fwver;
+ unsigned char scnt;
+ unsigned char aoeccmd;
+ unsigned char cslen[2];
+};
+
+enum {
+ DEVFL_UP = 1, /* device is installed in system and ready for AoE->ATA commands */
+ DEVFL_TKILL = (1<<1), /* flag for timer to know when to kill self */
+ DEVFL_EXT = (1<<2), /* device accepts lba48 commands */
+ DEVFL_GDALLOC = (1<<3), /* need to alloc gendisk */
+ DEVFL_GD_NOW = (1<<4), /* allocating gendisk */
+ DEVFL_KICKME = (1<<5), /* slow polling network card catch */
+ DEVFL_NEWSIZE = (1<<6), /* need to update dev size in block layer */
+ DEVFL_FREEING = (1<<7), /* set when device is being cleaned up */
+ DEVFL_FREED = (1<<8), /* device has been cleaned up */
+};
+
+enum {
+ DEFAULTBCNT = 2 * 512, /* 2 sectors */
+ MIN_BUFS = 16,
+ NTARGETS = 4,
+ NAOEIFS = 8,
+ NSKBPOOLMAX = 256,
+ NFACTIVE = 61,
+
+ TIMERTICK = HZ / 10,
+ RTTSCALE = 8,
+ RTTDSCALE = 3,
+ RTTAVG_INIT = USEC_PER_SEC / 4 << RTTSCALE,
+ RTTDEV_INIT = RTTAVG_INIT / 4,
+
+ HARD_SCORN_SECS = 10, /* try another remote port after this */
+ MAX_TAINT = 1000, /* cap on aoetgt taint */
+};
+
+struct buf {
+ ulong nframesout;
+ struct bio *bio;
+ struct bvec_iter iter;
+ struct request *rq;
+};
+
+enum frame_flags {
+ FFL_PROBE = 1,
+};
+
+struct frame {
+ struct list_head head;
+ u32 tag;
+ struct timeval sent; /* high-res time packet was sent */
+ u32 sent_jiffs; /* low-res jiffies-based sent time */
+ ulong waited;
+ ulong waited_total;
+ struct aoetgt *t; /* parent target I belong to */
+ struct sk_buff *skb; /* command skb freed on module exit */
+ struct sk_buff *r_skb; /* response skb for async processing */
+ struct buf *buf;
+ struct bvec_iter iter;
+ char flags;
+};
+
+struct aoeif {
+ struct net_device *nd;
+ ulong lost;
+ int bcnt;
+};
+
+struct aoetgt {
+ unsigned char addr[6];
+ ushort nframes; /* cap on frames to use */
+ struct aoedev *d; /* parent device I belong to */
+ struct list_head ffree; /* list of free frames */
+ struct aoeif ifs[NAOEIFS];
+ struct aoeif *ifp; /* current aoeif in use */
+ ushort nout; /* number of AoE commands outstanding */
+ ushort maxout; /* current value for max outstanding */
+ ushort next_cwnd; /* incr maxout after decrementing to zero */
+ ushort ssthresh; /* slow start threshold */
+ ulong falloc; /* number of allocated frames */
+ int taint; /* how much we want to avoid this aoetgt */
+ int minbcnt;
+ int wpkts, rpkts;
+ char nout_probes;
+};
+
+struct aoedev {
+ struct aoedev *next;
+ ulong sysminor;
+ ulong aoemajor;
+ u32 rttavg; /* scaled AoE round trip time average */
+ u32 rttdev; /* scaled round trip time mean deviation */
+ u16 aoeminor;
+ u16 flags;
+ u16 nopen; /* (bd_openers isn't available without sleeping) */
+ u16 fw_ver; /* version of blade's firmware */
+ u16 lasttag; /* last tag sent */
+ u16 useme;
+ ulong ref;
+ struct work_struct work;/* disk create work struct */
+ struct gendisk *gd;
+ struct dentry *debugfs;
+ struct request_queue *blkq;
+ struct hd_geometry geo;
+ sector_t ssize;
+ struct timer_list timer;
+ spinlock_t lock;
+ struct sk_buff_head skbpool;
+ mempool_t *bufpool; /* for deadlock-free Buf allocation */
+ struct { /* pointers to work in progress */
+ struct buf *buf;
+ struct bio *nxbio;
+ struct request *rq;
+ } ip;
+ ulong maxbcnt;
+ struct list_head factive[NFACTIVE]; /* hash of active frames */
+ struct list_head rexmitq; /* deferred retransmissions */
+ struct aoetgt **targets;
+ ulong ntargets; /* number of allocated aoetgt pointers */
+ struct aoetgt **tgt; /* target in use when working */
+ ulong kicked;
+ char ident[512];
+};
+
+/* kthread tracking */
+struct ktstate {
+ struct completion rendez;
+ struct task_struct *task;
+ wait_queue_head_t *waitq;
+ int (*fn) (int);
+ char name[12];
+ spinlock_t *lock;
+ int id;
+ int active;
+};
+
+int aoeblk_init(void);
+void aoeblk_exit(void);
+void aoeblk_gdalloc(void *);
+void aoedisk_rm_debugfs(struct aoedev *d);
+void aoedisk_rm_sysfs(struct aoedev *d);
+
+int aoechr_init(void);
+void aoechr_exit(void);
+void aoechr_error(char *);
+
+void aoecmd_work(struct aoedev *d);
+void aoecmd_cfg(ushort aoemajor, unsigned char aoeminor);
+struct sk_buff *aoecmd_ata_rsp(struct sk_buff *);
+void aoecmd_cfg_rsp(struct sk_buff *);
+void aoecmd_sleepwork(struct work_struct *);
+void aoecmd_wreset(struct aoetgt *t);
+void aoecmd_cleanslate(struct aoedev *);
+void aoecmd_exit(void);
+int aoecmd_init(void);
+struct sk_buff *aoecmd_ata_id(struct aoedev *);
+void aoe_freetframe(struct frame *);
+void aoe_flush_iocq(void);
+void aoe_flush_iocq_by_index(int);
+void aoe_end_request(struct aoedev *, struct request *, int);
+int aoe_ktstart(struct ktstate *k);
+void aoe_ktstop(struct ktstate *k);
+
+int aoedev_init(void);
+void aoedev_exit(void);
+struct aoedev *aoedev_by_aoeaddr(ulong maj, int min, int do_alloc);
+void aoedev_downdev(struct aoedev *d);
+int aoedev_flush(const char __user *str, size_t size);
+void aoe_failbuf(struct aoedev *, struct buf *);
+void aoedev_put(struct aoedev *);
+
+int aoenet_init(void);
+void aoenet_exit(void);
+void aoenet_xmit(struct sk_buff_head *);
+int is_aoe_netif(struct net_device *ifp);
+int set_aoe_iflist(const char __user *str, size_t size);