diff options
Diffstat (limited to 'tapset/scsi.stp')
| -rw-r--r-- | tapset/scsi.stp | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/tapset/scsi.stp b/tapset/scsi.stp index ed96b430..76b9a114 100644 --- a/tapset/scsi.stp +++ b/tapset/scsi.stp @@ -15,7 +15,13 @@ #include <linux/blkdev.h> %} -/* mid-layer prepare a IO request */ +/** + * probe scsi.ioentry - Prepares a SCSI mid-layer request + * @disk_major: The major number of the disk (-1 if no information) + * @disk_minor: The minor number of the disk (-1 if no information) + * @device_state: The current state of the device. + */ +/* FIXME describe the device_state */ probe scsi.ioentry = module("scsi_mod").function("scsi_prep_fn@drivers/scsi/scsi_lib.c")?, kernel.function("scsi_prep_fn@drivers/scsi/scsi_lib.c")? @@ -31,7 +37,19 @@ probe scsi.ioentry req_addr = $req } -/* Dispatch a command to the low-level driver. */ +/** + * probe scsi.iodispatching - SCSI mid-layer dispatched low-level SCSI command + * @host_no: The host number + * @channel: The channel number + * @lun: The lun number + * @dev_id: The scsi device id + * @device_state: The current state of the device. + * @data_direction: The data_direction specifies whether this command is from/to + * the device. 0 (DMA_BIDIRECTIONAL), 1 (DMA_TO_DEVICE), + * 2 (DMA_FROM_DEVICE), 3 (DMA_NONE) + * @request_buffer: The request buffer address + * @req_bufflen: The request buffer length + */ probe scsi.iodispatching = module("scsi_mod").function("scsi_dispatch_cmd@drivers/scsi/scsi.c")?, kernel.function("scsi_dispatch_cmd@drivers/scsi/scsi.c")? @@ -53,7 +71,16 @@ probe scsi.iodispatching req_addr = $cmd->request } -/* I/O is done by low-level driver*/ +/** + * probe scsi.iodone - SCSI command completed by low level driver and enqueued into the done queue. + * @host_no: The host number + * @channel: The channel number + * @lun: The lun number + * @dev_id: The scsi device id + * @device_state: The current state of the device + * @data_direction: The data_direction specifies whether this command is + * from/to the device. + */ probe scsi.iodone = module("scsi_mod").function("scsi_done@drivers/scsi/scsi.c")?, kernel.function("scsi_done@drivers/scsi/scsi.c")? @@ -69,6 +96,17 @@ probe scsi.iodone scsi_timer_pending = scsi_timer_pending($cmd); } +/** + * probe scsi.iocompleted - SCSI mid-layer running the completion processing for block device I/O requests + * @host_no: The host number + * @channel: The channel number + * @lun: The lun number + * @dev_id: The scsi device id + * @device_state: The current state of the device + * @data_direction: The data_direction specifies whether this command is from/to + * the device + * @goodbytes: The bytes completed. + */ /* mid-layer processes the completed IO */ probe scsi.iocompleted = module("scsi_mod").function("scsi_io_completion@drivers/scsi/scsi_lib.c")?, |