diff options
| author | asami <asami@FreeBSD.org> | 1996-06-14 11:02:28 +0000 |
|---|---|---|
| committer | asami <asami@FreeBSD.org> | 1996-06-14 11:02:28 +0000 |
| commit | 36a1932601c730683d263ee933dd90cd6dae96bf (patch) | |
| tree | d76ce0bf0a31500c82596831333ff034e969773b /sys/scsi/sd.c | |
| parent | 5fa995752f02a42fcb2b0ca54149fef141f98060 (diff) | |
| download | FreeBSD-src-36a1932601c730683d263ee933dd90cd6dae96bf.zip FreeBSD-src-36a1932601c730683d263ee933dd90cd6dae96bf.tar.gz | |
The Great PC98 Merge.
All new code is "#ifdef PC98"ed so this should make no difference to
PC/AT (and its clones) users.
Ok'd by: core
Submitted by: FreeBSD(98) development team
Diffstat (limited to 'sys/scsi/sd.c')
| -rw-r--r-- | sys/scsi/sd.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/sys/scsi/sd.c b/sys/scsi/sd.c index 5ef8477..a78e727 100644 --- a/sys/scsi/sd.c +++ b/sys/scsi/sd.c @@ -14,7 +14,7 @@ * * Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992 * - * $Id: sd.c,v 1.88 1996/05/02 14:20:54 phk Exp $ + * $Id: sd.c,v 1.89 1996/05/02 22:20:52 phk Exp $ */ #include "opt_bounce.h" @@ -52,7 +52,11 @@ static u_int32_t sdstrats, sdqueues; #define SECSIZE 512 +#ifdef PC98 +#define SDOUTSTANDING 2 +#else #define SDOUTSTANDING 4 +#endif #define SD_RETRIES 4 #define MAXTRANSFER 8 /* 1 page at a time */ @@ -738,7 +742,9 @@ sd_get_parms(unit, flags) union disk_pages pages; } scsi_sense; u_int32_t sectors; - +#ifdef PC98 + unsigned char *tmp; +#endif /* * First check if we have it all loaded */ @@ -752,6 +758,39 @@ sd_get_parms(unit, flags) scsi_cmd.op_code = MODE_SENSE; scsi_cmd.page = 4; scsi_cmd.length = 0x20; +#ifdef PC98 +#define PC98_SYSTEM_PARAMETER(x) pc98_system_parameter[(x)-0x400] + tmp = (unsigned char *)&PC98_SYSTEM_PARAMETER(0x460 + sc_link->target*4); + if ((PC98_SYSTEM_PARAMETER(0x482) & + ((1 << sc_link->target)&0xff)) != 0) { + disk_parms->sectors = *tmp; + disk_parms->cyls = ((*(tmp+3)<<8)|*(tmp+2))&0xfff; + switch (*(tmp + 3) & 0x30) { + case 0x00: + disk_parms->secsiz = 256; + printf("Warning!: not supported.\n"); + break; + case 0x10: + disk_parms->secsiz = 512; + break; + case 0x20: + disk_parms->secsiz = 1024; + printf("Warning!: not supported.\n"); + break; + default: + disk_parms->secsiz = 512; + printf("Warning!: not supported. But force to 512\n"); + } + if (*(tmp+3) & 0x40) { + disk_parms->cyls += (*(tmp+1)&0xf0)<<8; + disk_parms->heads = *(tmp+1)&0x0f; + } else { + disk_parms->heads = *(tmp+1); + } + disk_parms->disksize = disk_parms->sectors * disk_parms->heads * + disk_parms->cyls; + } else +#endif /* * If the command worked, use the results to fill out * the parameter structure |
