#!/bin/bash
#
# Usage:
#
# This script is to discover disk devices.
#
# Input parameter : <PCI_ID> or nothing
# 
# Output : disk and RAID arrys information
#
#  Examples:
#  1. When PCI_ID value is 1014:034a, execute "diskdiscover 1014:034a", the output format is as following:
#   
#       --------------------------------------------------------------------------
#       PCI_ID     PCI_SLOT_NAME  Resource_Path  Device  Description   Status
#       ------     -------------  -------------  ------  -----------   ----------------
#       1014:034a  0001:08:00.0   0:0:0:0        sg0     0 Array Member Active
#       1014:034a  0001:08:00.0   0:0:1:0        sg1     Function Disk Active
#       ---------------------------------------------------------------------------
#       Get ipr RAID arrays by PCI_SLOT_NAME: 0001:08:00.0
#       ---------------------------------------------------------------------------
#       Name   PCI/SCSI Location         Description               Status
#       ------ ------------------------- ------------------------- -----------------
#       sda    0001:08:00.0/0:2:0:0       RAID 0 Disk Array         Optimized
#
#  2. Execute "diskdiscover", the output format is as following:
#
#       --------------------------------------------------------------------------
#       PCI_ID     PCI_SLOT_NAME  Resource_Path  Device  Description   Status
#       ------     -------------  -------------  ------  -----------   ----------------
#       1014:034a  0001:08:00.0   0:0:0:0        sg0     0 Array Member Active
#       1014:034a  0001:08:00.0   0:0:1:0        sg1     Function Disk Active
#       -------------------------------------------------------------------
#       Get ipr RAID arrays by PCI_SLOT_NAME: 0001:08:00.0
#       -------------------------------------------------------------------
#       Name   PCI/SCSI Location         Description               Status
#       ------ ------------------------- ------------------------- -----------------
#       sda    0001:08:00.0/0:2:0:0       RAID 0 Disk Array         Optimized
#
#  3. Print help: diskdiscover --help|-h

# P8 SAS adapter info
# http://pci-ids.ucw.cz/read/PC/1014/034a
# 1014 034a     PCI-E IPR SAS Adapter (ASIC)
# Subsystems
# 1014 03ff     PCIe3 x8 SAS RAID Internal Adapter 6Gb (57D7)   <-- use this subsys id to represent internal SAS adapter
# 1014 033b     PCIe2 6Gb SAS RAID Adapter Quad-port (57B4)     <-- use this subsys id to represent GTO adapter

############################################
#
# source raidutils
#
###########################################
str_dir_name=`dirname $0`
. $str_dir_name/raidutils


############################################
#
# Usage
#
############################################
function usagesc {
    echo "Usage: diskdiscover <PCI_ID>"
    echo "       If input parameter is <PCI_ID>, return devices and RAID arrays info by PCI_ID."
    echo "       If there is no value for <PCI_ID>, return all af/jbod disks and RAID arrays info."
                       
}

########################################
#
# Main process:
#
# if input parameter is PCI_ID:
#     Get devices and RAID arrays info by PCI_ID
# if there is no input parameter for PCI_ID :
#     Get all af disks and jbod disks info 
#     Get all RAID arrays info
#
##########################################
input=$1
if [ "x$input" == "x--help" -o "x$input" == "x-h" ]; then
      usagesc
      exit 0
fi
if [ -z $input ]; then
      get_all_devices_for_raid
else
      get_devices_by_pciid $input
fi