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Teach twe driver to report array stripe size to GEOM.

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This commit is contained in:
Alexander Motin 2009-12-25 17:34:43 +00:00
parent 05c10507e9
commit c078c19633
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=200991
3 changed files with 11 additions and 2 deletions
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5
sys/dev/twe/twe.c
View File

@ -201,7 +201,7 @@ twe_add_unit(struct twe_softc *sc, int unit)
int table, error = 0;
u_int16_t dsize;
TWE_Param *drives = NULL, *param = NULL;
TWE_Unit_Descriptor *ud;
TWE_Array_Descriptor *ud;
if (unit < 0 || unit > TWE_MAX_UNITS)
return (EINVAL);
@ -244,8 +244,9 @@ twe_add_unit(struct twe_softc *sc, int unit)
error = EIO;
goto out;
}
ud = (TWE_Unit_Descriptor *)param->data;
ud = (TWE_Array_Descriptor *)param->data;
dr->td_type = ud->configuration;
dr->td_stripe = ud->stripe_size;
/* build synthetic geometry as per controller internal rules */
if (dr->td_size > 0x200000) {

7
sys/dev/twe/twe_freebsd.c
View File

@ -818,6 +818,13 @@ twed_attach(device_t dev)
sc->twed_disk->d_maxsize = (TWE_MAX_SGL_LENGTH - 1) * PAGE_SIZE;
sc->twed_disk->d_sectorsize = TWE_BLOCK_SIZE;
sc->twed_disk->d_mediasize = TWE_BLOCK_SIZE * (off_t)sc->twed_drive->td_size;
if (sc->twed_drive->td_type == TWE_UD_CONFIG_RAID0 ||
sc->twed_drive->td_type == TWE_UD_CONFIG_RAID5 ||
sc->twed_drive->td_type == TWE_UD_CONFIG_RAID10) {
sc->twed_disk->d_stripesize =
TWE_BLOCK_SIZE << sc->twed_drive->td_stripe;
sc->twed_disk->d_stripeoffset = 0;
}
sc->twed_disk->d_fwsectors = sc->twed_drive->td_sectors;
sc->twed_disk->d_fwheads = sc->twed_drive->td_heads;
sc->twed_disk->d_unit = sc->twed_drive->td_sys_unit;

1
sys/dev/twe/twevar.h
View File

@ -59,6 +59,7 @@ struct twe_drive
/* unit state and type */
u_int8_t td_state;
u_int8_t td_type;
u_int8_t td_stripe;
/* handle for attached driver */
device_t td_disk;