* HP disk driver for RP0x+RM0x
* Check out handling of spun-down drives and write lock
* Check RM80 skip sector handling, esp when ECC's occur later
* Add reading of bad sector information and disk layout from sector 1
* Add bad sector forwarding code
* Check interaction with tape driver on same mba
* Check multiple drive handling
/* THIS SHOULD BE READ OFF THE PACK, PER DRIVE */
15884, 0, /* A=cyl 0 thru 37 */
33440, 38, /* B=cyl 38 thru 117 */
340670, 0, /* C=cyl 0 thru 814 */
291346, 118, /* G=cyl 118 thru 814 */
15884, 0, /* A=cyl 0 thru 99 */
33440, 100, /* B=cyl 100 thru 309 */
131680, 0, /* C=cyl 0 thru 822 */
82080, 310, /* G=cyl 310 thru 822 */
15884, 0, /* A=cyl 0 thru 26 */
33440, 27, /* B=cyl 27 thru 81 */
500992, 0, /* C=cyl 0 thru 823 */
15884, 562, /* D=cyl 562 thru 588 */
55936, 589, /* E=cyl 589 thru 680 */
86944, 681, /* F=cyl 681 thru 823 */
159296, 562, /* G=cyl 562 thru 823 */
291346, 82, /* H=cyl 82 thru 561 */
15884, 0, /* A=cyl 0 thru 36 */
33440, 37, /* B=cyl 37 thru 114 */
242606, 0, /* C=cyl 0 thru 558 */
82080, 115, /* G=cyl 115 thru 304 */
110236, 305, /* H=cyl 305 thru 558 */
/* END OF STUFF WHICH SHOULD BE READ IN PER DISK */
{ MBDT_RM03
, MBDT_RM05
, MBDT_RP06
, MBDT_RM80
, 0 };
struct mba_info
*hpinfo
[NHP
];
int hpdkinit(),hpustart(),hpstart(),hpdtint();
struct mba_driver hpdriver
=
{ hpdkinit
, hpustart
, hpstart
, hpdtint
, 0, hptypes
, hpinfo
};
32, 5, 32*5, 823, rm_sizes
, /* RM03 */
32, 19, 32*19, 823, rm5_sizes
, /* RM05 */
22, 19, 22*19, 815, hp_sizes
, /* RP06 */
31, 14, 31*14, 559, rm80_sizes
/* RM80 */
HP_P400
, HP_M400
, HP_P400
, HP_M400
, HP_P800
, HP_M800
, HP_P800
, HP_M800
,
HP_P1200
, HP_M1200
, HP_P1200
, HP_M1200
, 0, 0, 0, 0,
register struct hpst
*st
= &hpst
[mi
->mi_type
];
dk_mspw
[mi
->mi_dk
] = 1.0 / 60 / (st
->nsect
* 256);
register struct mba_info
*mi
;
register struct hpst
*st
;
int xunit
= minor(bp
->b_dev
) & 07;
if (mi
== 0 || mi
->mi_alive
== 0)
(bn
= dkblock(bp
))+sz
> st
->sizes
[xunit
].nblocks
)
bp
->b_cylin
= bn
/st
->nspc
+ st
->sizes
[xunit
].cyloff
;
disksort(&mi
->mi_tab
, bp
);
if (mi
->mi_tab
.b_active
== 0)
register struct mba_info
*mi
;
register struct hpdevice
*hpaddr
= (struct hpdevice
*)mi
->mi_drv
;
register struct buf
*bp
= mi
->mi_tab
.b_actf
;
register struct hpst
*st
;
if ((hpaddr
->hpcs1
&HP_DVA
) == 0)
if ((hpaddr
->hpds
& HP_VV
) == 0) {
hpaddr
->hpcs1
= HP_DCLR
|HP_GO
;
hpaddr
->hpcs1
= HP_PRESET
|HP_GO
;
if (mi
->mi_tab
.b_active
|| mi
->mi_hd
->mh_ndrive
== 1)
if ((hpaddr
->hpds
& (HP_DPR
|HP_MOL
)) != (HP_DPR
|HP_MOL
))
sn
= (sn
+st
->nsect
-hpSDIST
)%st
->nsect
;
if (bp
->b_cylin
== (hpaddr
->hpdc
& 0xffff)) {
dist
= ((hpaddr
->hpla
& 0xffff)>>6) - st
->nsect
+ 1;
if (dist
> st
->nsect
- hpRDIST
)
hpaddr
->hpdc
= bp
->b_cylin
;
hpaddr
->hpcs1
= HP_SEEK
|HP_GO
;
hpaddr
->hpcs1
= HP_SEARCH
|HP_GO
;
register struct mba_info
*mi
;
register struct hpdevice
*hpaddr
= (struct hpdevice
*)mi
->mi_drv
;
register struct buf
*bp
= mi
->mi_tab
.b_actf
;
register struct hpst
*st
= &hpst
[mi
->mi_type
];
if (mi
->mi_tab
.b_errcnt
>= 16 && (bp
->b_flags
&B_READ
) != 0) {
hpaddr
->hpof
= hp_offset
[mi
->mi_tab
.b_errcnt
& 017] | HP_FMT22
;
hpaddr
->hpcs1
= HP_OFFSET
|HP_GO
;
while (hpaddr
->hpds
& HP_PIP
)
hpaddr
->hpdc
= bp
->b_cylin
;
hpaddr
->hpda
= (tn
<< 8) + sn
;
register struct mba_info
*mi
;
register struct hpdevice
*hpaddr
= (struct hpdevice
*)mi
->mi_drv
;
register struct buf
*bp
= mi
->mi_tab
.b_actf
;
if (hpaddr
->hpds
&HP_ERR
|| mbasr
&MBAEBITS
) {
while ((hpaddr
->hpds
& HP_DRY
) == 0) {
if ((hpaddr
->hpds
&HP_DREADY
) != HP_DREADY
) {
printf("hp%d not ready\n", dkunit(bp
));
} else if (hpaddr
->hper1
&HP_WLE
) {
printf("hp%d is write locked\n", dkunit(bp
));
} else if (++mi
->mi_tab
.b_errcnt
> 27 ||
hpaddr
->hper1
& HPER1_HARD
||
hpaddr
->hper2
& HPER2_HARD
) {
printf("hp%d mbasr=%b er1=%b er2=%b\n",
dkunit(bp
), mbasr
, mbasr_bits
,
hpaddr
->hper1
, HPER1_BITS
,
hpaddr
->hper2
, HPER2_BITS
);
} else if (hpaddr
->hper2
&HP_SSE
) {
} else if ((hpaddr
->hper1
&(HP_DCK
|HP_ECH
)) == HP_DCK
) {
hpaddr
->hpcs1
= HP_DCLR
|HP_GO
;
if ((mi
->mi_tab
.b_errcnt
&07) == 4) {
hpaddr
->hpcs1
= HP_RECAL
|HP_GO
;
/* SHOULD SET AN INTERRUPT AND RETURN */
/* AND HANDLE ALA rk.c OR up.c */
while (hpaddr
->hpds
& HP_PIP
)
bp
->b_resid
= -(mi
->mi_mba
->mba_bcr
) & 0xffff;
if (mi
->mi_tab
.b_errcnt
> 16) {
hpaddr
->hpcs1
= HP_RTC
|HP_GO
;
while (hpaddr
->hpds
& HP_PIP
)
hpaddr
->hpcs1
= HP_RELEASE
|HP_GO
;
register int unit
= minor(dev
) >> 3;
physio(hpstrategy
, &rhpbuf
[unit
], dev
, B_READ
, minphys
);
register int unit
= minor(dev
) >> 3;
physio(hpstrategy
, &rhpbuf
[unit
], dev
, B_WRITE
, minphys
);
register struct mba_info
*mi
;
register struct mba_regs
*mbp
= mi
->mi_mba
;
register struct hpdevice
*rp
= (struct hpdevice
*)mi
->mi_drv
;
register struct buf
*bp
= mi
->mi_tab
.b_actf
;
register struct hpst
*st
;
int reg
, bit
, byte
, npf
, mask
, o
;
bcr
= mbp
->mba_bcr
& 0xffff;
bcr
|= 0xffff0000; /* sxt */
npf
= btop(bcr
+ bp
->b_bcount
) - 1;
reg
--; /* compensate in advance for reg-- below */
o
= (int)bp
->b_un
.b_addr
& PGOFSET
;
printf("SOFT ECC hp%d%c bn%d\n", dkunit(bp
),
'a'+(minor(bp
->b_dev
)&07), bp
->b_blkno
+ npf
);
i
= (rp
->hpec1
&0xffff) - 1; /* -1 makes 0 origin */
while (i
< 512 && (int)ptob(npf
)+i
< bp
->b_bcount
&& bit
> -11) {
mpte
= mbp
->mba_map
[reg
+btop(byte
)];
addr
= ptob(mpte
.pg_pfnum
) + (byte
& PGOFSET
);
putmemc(addr
, getmemc(addr
)^(mask
<<bit
));
rp
->hpcs1
= HP_RCOM
|HP_GO
;
rp
->hpcs1
= HP_DCLR
|HP_GO
;
sn
= bn
%(st
->nspc
) + npf
+ 1;
mbp
->mba_var
= (int)ptob(reg
+1) + o
;
rp
->hpcs1
= HP_RCOM
|HP_GO
;
register struct mba_info
*mi
;
register struct mba_regs
*mba
;
register struct hpst
*st
;
#define phys(a,b) ((b)((int)(a)&0x7fffffff))
mi
= phys(hpinfo
[unit
],struct mba_info
*);
if (mi
== 0 || mi
->mi_alive
== 0)
mba
= phys(mi
->mi_hd
, struct mba_hd
*)->mh_physmba
;
hpaddr
= (struct hpdevice
*)&mba
->mba_drv
[mi
->mi_drive
];
if ((hpaddr
->hpds
& HP_VV
) == 0) {
hpaddr
->hpcs1
= HP_DCLR
|HP_GO
;
hpaddr
->hpcs1
= HP_PRESET
|HP_GO
;
if (dumplo
< 0 || dumplo
+ num
>= st
->sizes
[minor(dev
)&07].nblocks
)
register struct pte
*hpte
= mba
->mba_map
;
blk
= num
> DBSIZE
? DBSIZE
: num
;
bn
= dumplo
+ btop(start
);
cn
= bn
/st
->nspc
+ st
->sizes
[minor(dev
)&07].cyloff
;
hpaddr
->hpda
= (tn
<< 8) + sn
;
for (i
= 0; i
< blk
; i
++)
*(int *)hpte
++ = (btop(start
)+i
) | PG_V
;
mba
->mba_bcr
= -(blk
*NBPG
);
hpaddr
->hpcs1
= HP_WCOM
| HP_GO
;
while ((hpaddr
->hpds
& HP_DRY
) == 0)