diff options
author | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-07-02 15:16:18 +0000 |
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committer | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-07-02 15:16:18 +0000 |
commit | 5e65a31037e03c9ccbc4df156ddb11b36108a0a6 (patch) | |
tree | c9ac4c7b789df305fefc2aa92bd0dacb95a10606 /hw | |
parent | c701b35b42d50537122486e47006d1c6ce952240 (diff) |
Add rigid and flexible disk geometry page support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4821 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw')
-rw-r--r-- | hw/scsi-disk.c | 71 |
1 files changed, 70 insertions, 1 deletions
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index dcf03291dc..16b32153b5 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -532,7 +532,76 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag, outbuf[2] = 0x80; /* Readonly. */ } p += 4; - if ((page == 8 || page == 0x3f)) { + if (page == 4) { + int cylinders, heads, secs; + + /* Rigid disk device geometry page. */ + p[0] = 4; + p[1] = 0x16; + /* if a geometry hint is available, use it */ + bdrv_get_geometry_hint(s->bdrv, &cylinders, &heads, &secs); + p[2] = (cylinders >> 16) & 0xff; + p[3] = (cylinders >> 8) & 0xff; + p[4] = cylinders & 0xff; + p[5] = heads & 0xff; + /* Write precomp start cylinder, disabled */ + p[6] = (cylinders >> 16) & 0xff; + p[7] = (cylinders >> 8) & 0xff; + p[8] = cylinders & 0xff; + /* Reduced current start cylinder, disabled */ + p[9] = (cylinders >> 16) & 0xff; + p[10] = (cylinders >> 8) & 0xff; + p[11] = cylinders & 0xff; + /* Device step rate [ns], 200ns */ + p[12] = 0; + p[13] = 200; + /* Landing zone cylinder */ + p[14] = 0xff; + p[15] = 0xff; + p[16] = 0xff; + /* Medium rotation rate [rpm], 5400 rpm */ + p[20] = (5400 >> 8) & 0xff; + p[21] = 5400 & 0xff; + p += 0x16; + } else if (page == 5) { + int cylinders, heads, secs; + + /* Flexible disk device geometry page. */ + p[0] = 5; + p[1] = 0x1e; + /* Transfer rate [kbit/s], 5Mbit/s */ + p[2] = 5000 >> 8; + p[3] = 5000 & 0xff; + /* if a geometry hint is available, use it */ + bdrv_get_geometry_hint(s->bdrv, &cylinders, &heads, &secs); + p[4] = heads & 0xff; + p[5] = secs & 0xff; + p[6] = s->cluster_size * 2; + p[8] = (cylinders >> 8) & 0xff; + p[9] = cylinders & 0xff; + /* Write precomp start cylinder, disabled */ + p[10] = (cylinders >> 8) & 0xff; + p[11] = cylinders & 0xff; + /* Reduced current start cylinder, disabled */ + p[12] = (cylinders >> 8) & 0xff; + p[13] = cylinders & 0xff; + /* Device step rate [100us], 100us */ + p[14] = 0; + p[15] = 1; + /* Device step pulse width [us], 1us */ + p[16] = 1; + /* Device head settle delay [100us], 100us */ + p[17] = 0; + p[18] = 1; + /* Motor on delay [0.1s], 0.1s */ + p[19] = 1; + /* Motor off delay [0.1s], 0.1s */ + p[20] = 1; + /* Medium rotation rate [rpm], 5400 rpm */ + p[28] = (5400 >> 8) & 0xff; + p[29] = 5400 & 0xff; + p += 0x1e; + } else if ((page == 8 || page == 0x3f)) { /* Caching page. */ memset(p,0,20); p[0] = 8; |