diff options
Diffstat (limited to 'share/man/man9/disk.9')
| -rw-r--r-- | share/man/man9/disk.9 | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/share/man/man9/disk.9 b/share/man/man9/disk.9 index 4643512..d383888 100644 --- a/share/man/man9/disk.9 +++ b/share/man/man9/disk.9 @@ -145,6 +145,16 @@ Optional: if configured with .Xr dumpon 8 , this function is invoked from a very restricted system state after a kernel panic to record a copy of the system RAM to the disk. +.It Vt "disk_getattr_t *" Va d_getattr +Optional: if this method is provided, it gives the disk driver the +opportunity to override the default GEOM response to BIO_GETATTR requests. +This function should return -1 if the attribute is not handled, 0 if the +attribute is handled, or an errno to be passed to g_io_deliver(). +.It Vt "disk_gone_t *" Va d_gone +Optional: if this method is provided, it will be called after disk_gone() +is called, once GEOM has finished its cleanup process. +Once this callback is called, it is safe for the disk driver to free all of +its resources, as it will not be receiving further calls from GEOM. .El .Ss Mandatory Media Properties The following fields identify the size and granularity of the disk device. @@ -180,7 +190,23 @@ Please see .Pa src/sys/geom/notes for details. .It Vt char Va d_ident[DISK_IDENT_SIZE] -This field can and should be used to store disk's serial number. +This field can and should be used to store disk's serial number if the +d_getattr method described above isn't implemented, or if it does not +support the GEOM::ident attribute. +.It Vt char Va d_descr[DISK_IDENT_SIZE] +This field can be used to store the disk vendor and product description. +.It Vt uint16_t Va d_hba_vendor +This field can be used to store the PCI vendor ID for the HBA connected to +the disk. +.It Vt uint16_t Va d_hba_device +This field can be used to store the PCI device ID for the HBA connected to +the disk. +.It Vt uint16_t Va d_hba_subvendor +This field can be used to store the PCI subvendor ID for the HBA connected to +the disk. +.It Vt uint16_t Va d_hba_subdevice +This field can be used to store the PCI subdevice ID for the HBA connected to +the disk. .El .Ss Driver Private Data This field may be used by the device driver to store a pointer to |
