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175 lines
2.3 KiB
C
175 lines
2.3 KiB
C
/* dat.h: include file for vblade AoE target */
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#define nil ((void *)0)
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/*
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* tunable variables
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*/
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enum {
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VBLADE_VERSION = 24,
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// Firmware version
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FWV = 0x4000 + VBLADE_VERSION,
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};
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#undef major
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#undef minor
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#undef makedev
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#define major(x) ((x) >> 24 & 0xFF)
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#define minor(x) ((x) & 0xffffff)
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#define makedev(x, y) ((x) << 24 | (y))
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typedef unsigned char uchar;
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//typedef unsigned short ushort;
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#ifdef __FreeBSD__
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typedef unsigned long ulong;
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#else
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//typedef unsigned long ulong;
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#endif
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typedef long long vlong;
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typedef struct Aoehdr Aoehdr;
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typedef struct Ata Ata;
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typedef struct Conf Conf;
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typedef struct Ataregs Ataregs;
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typedef struct Mdir Mdir;
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typedef struct Aoemask Aoemask;
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typedef struct Aoesrr Aoesrr;
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struct Ataregs
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{
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vlong lba;
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uchar cmd;
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uchar status;
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uchar err;
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uchar feature;
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uchar sectors;
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};
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struct Aoehdr
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{
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uchar dst[6];
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uchar src[6];
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ushort type;
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uchar flags;
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uchar error;
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ushort maj;
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uchar min;
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uchar cmd;
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uchar tag[4];
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};
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struct Ata
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{
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Aoehdr h;
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uchar aflag;
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uchar err;
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uchar sectors;
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uchar cmd;
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uchar lba[6];
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uchar resvd[2];
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};
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struct Conf
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{
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Aoehdr h;
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ushort bufcnt;
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ushort firmware;
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uchar scnt;
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uchar vercmd;
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ushort len;
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uchar data[1024];
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};
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// mask directive
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struct Mdir {
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uchar res;
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uchar cmd;
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uchar mac[6];
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};
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struct Aoemask {
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Aoehdr h;
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uchar res;
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uchar cmd;
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uchar merror;
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uchar nmacs;
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// struct Mdir m[0];
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};
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struct Aoesrr {
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Aoehdr h;
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uchar rcmd;
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uchar nmacs;
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// uchar mac[6][nmacs];
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};
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enum {
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AoEver = 1,
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ATAcmd = 0, // command codes
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Config,
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Mask,
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Resrel,
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Resp = (1<<3), // flags
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Error = (1<<2),
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BadCmd = 1,
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BadArg,
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DevUnavailable,
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ConfigErr,
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BadVersion,
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Res,
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Write = (1<<0),
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Async = (1<<1),
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Device = (1<<4),
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Extend = (1<<6),
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Qread = 0,
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Qtest,
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Qprefix,
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Qset,
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Qfset,
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Nretries = 3,
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Nconfig = 1024,
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Bufcount = 16,
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/* mask commands */
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Mread= 0,
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Medit,
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/* mask directives */
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MDnop= 0,
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MDadd,
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MDdel,
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/* mask errors */
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MEunspec= 1,
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MEbaddir,
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MEfull,
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/* header sizes, including aoe hdr */
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Naoehdr= 24,
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Natahdr= Naoehdr + 12,
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Ncfghdr= Naoehdr + 8,
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Nmaskhdr= Naoehdr + 4,
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Nsrrhdr= Naoehdr + 2,
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Nserial= 20,
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};
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int shelf, slot;
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ulong aoetag;
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uchar mac[6];
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int bfd; // block file descriptor
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int sfd; // socket file descriptor
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vlong size; // size of vblade
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vlong offset;
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char *progname;
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char serial[Nserial+1];
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