fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / block / aoe / aoe.h

diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
index 881c48d..2308e83 100644 (file)
--- a/drivers/block/aoe/aoe.h
+++ b/drivers/block/aoe/aoe.h
@@ -1,5 +1,5 @@
-/* Copyright (c) 2004 Coraid, Inc.  See COPYING for GPL terms. */
-#define VERSION "14"
+/* Copyright (c) 2006 Coraid, Inc.  See COPYING for GPL terms. */
+#define VERSION "32"
 #define AOE_MAJOR 152
 #define DEVICE_NAME "aoe"
 
@@ -65,7 +65,7 @@ struct aoe_atahdr {
 struct aoe_cfghdr {
        __be16 bufcnt;
        __be16 fwver;
-       unsigned char res;
+       unsigned char scnt;
        unsigned char aoeccmd;
        unsigned char cslen[2];
 };
@@ -75,14 +75,17 @@ enum {
        DEVFL_TKILL = (1<<1),   /* flag for timer to know when to kill self */
        DEVFL_EXT = (1<<2),     /* device accepts lba48 commands */
        DEVFL_CLOSEWAIT = (1<<3), /* device is waiting for all closes to revalidate */
-       DEVFL_WC_UPDATE = (1<<4), /* this device needs to update write cache status */
-       DEVFL_WORKON = (1<<4),
+       DEVFL_GDALLOC = (1<<4), /* need to alloc gendisk */
+       DEVFL_PAUSE = (1<<5),
+       DEVFL_NEWSIZE = (1<<6), /* need to update dev size in block layer */
+       DEVFL_MAXBCNT = (1<<7), /* d->maxbcnt is not changeable */
+       DEVFL_KICKME = (1<<8),
 
        BUFFL_FAIL = 1,
 };
 
 enum {
-       MAXATADATA = 1024,
+       DEFAULTBCNT = 2 * 512,  /* 2 sectors */
        NPERSHELF = 16,         /* number of slots per shelf address */
        FREETAG = -1,
        MIN_BUFS = 8,
@@ -106,11 +109,9 @@ struct frame {
        ulong waited;
        struct buf *buf;
        char *bufaddr;
-       int writedatalen;
-       int ndata;
-
-       /* largest possible */
-       unsigned char data[sizeof(struct aoe_hdr) + sizeof(struct aoe_atahdr)];
+       ulong bcnt;
+       sector_t lba;
+       struct sk_buff *skb;
 };
 
 struct aoedev {
@@ -120,9 +121,12 @@ struct aoedev {
        ulong sysminor;
        ulong aoemajor;
        ulong aoeminor;
-       ulong nopen;            /* (bd_openers isn't available without sleeping) */
-       ulong rttavg;           /* round trip average of requests/responses */
+       u16 nopen;              /* (bd_openers isn't available without sleeping) */
+       u16 lasttag;            /* last tag sent */
+       u16 rttavg;             /* round trip average of requests/responses */
+       u16 mintimer;
        u16 fw_ver;             /* version of blade's firmware */
+       u16 maxbcnt;
        struct work_struct work;/* disk create work struct */
        struct gendisk *gd;
        request_queue_t blkq;
@@ -136,8 +140,8 @@ struct aoedev {
        mempool_t *bufpool;     /* for deadlock-free Buf allocation */
        struct list_head bufq;  /* queue of bios to work on */
        struct buf *inprocess;  /* the one we're currently working on */
-       ulong lasttag;          /* last tag sent */
-       ulong nframes;          /* number of frames below */
+       ushort lostjumbo;
+       ushort nframes;         /* number of frames below */
        struct frame *frames;
 };
 
@@ -152,16 +156,18 @@ void aoechr_exit(void);
 void aoechr_error(char *);
 
 void aoecmd_work(struct aoedev *d);
-void aoecmd_cfg(ushort, unsigned char);
+void aoecmd_cfg(ushort aoemajor, unsigned char aoeminor);
 void aoecmd_ata_rsp(struct sk_buff *);
 void aoecmd_cfg_rsp(struct sk_buff *);
+void aoecmd_sleepwork(struct work_struct *);
+struct sk_buff *new_skb(ulong);
 
 int aoedev_init(void);
 void aoedev_exit(void);
 struct aoedev *aoedev_by_aoeaddr(int maj, int min);
+struct aoedev *aoedev_by_sysminor_m(ulong sysminor, ulong bufcnt);
 void aoedev_downdev(struct aoedev *d);
-struct aoedev *aoedev_set(ulong, unsigned char *, struct net_device *, ulong);
-int aoedev_busy(void);
+int aoedev_isbusy(struct aoedev *d);
 
 int aoenet_init(void);
 void aoenet_exit(void);