AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-30 08:56:45 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

Pull big-sim-disk into release branch

Browse Source
This commit is contained in:
Tony Luck 2005-10-28 14:33:14 -07:00
commit 1e1bb25e97
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
arch/ia64/hp/sim/simscsi.c
View File

@ -205,10 +205,11 @@ simscsi_get_disk_size (int fd)
char buf[512];
/*
* This is a bit kludgey: the simulator doesn't provide a direct way of determining
* the disk size, so we do a binary search, assuming a maximum disk size of 4GB.
* This is a bit kludgey: the simulator doesn't provide a
* direct way of determining the disk size, so we do a binary
* search, assuming a maximum disk size of 128GB.
*/
for (bit = (4UL << 30)/512; bit != 0; bit >>= 1) {
for (bit = (128UL << 30)/512; bit != 0; bit >>= 1) {
req.addr = __pa(&buf);
req.len = sizeof(buf);
ia64_ssc(fd, 1, __pa(&req), ((sectors | bit) - 1)*512, SSC_READ);
@ -225,8 +226,10 @@ simscsi_readwrite10 (struct scsi_cmnd *sc, int mode)
{
unsigned long offset;
offset = ( (sc->cmnd[2] << 24) | (sc->cmnd[3] << 16)
| (sc->cmnd[4] << 8) | (sc->cmnd[5] << 0))*512;
offset = (((unsigned long)sc->cmnd[2] << 24)
| ((unsigned long)sc->cmnd[3] << 16)
| ((unsigned long)sc->cmnd[4] << 8)
| ((unsigned long)sc->cmnd[5] << 0))*512UL;
if (sc->use_sg > 0)
simscsi_sg_readwrite(sc, mode, offset);
else