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Template Version: @(#)sac_nextcase 1.68 02/23/09 SMI
This information is Copyright 2009 Sun Microsystems
1. Introduction
1.1. Project/Component Working Name:
Introducing non-persistent property group fastreboot_disable_np
1.2. Name of Document Author/Supplier:
Author: Sherry Moore
1.3 Date of This Document:
03 June, 2009
2. Project Summary
2.1. Project Description:
To provide a mechanism to disable Fast Reboot for the next
reboot only.
4. Technical Description:
4.1. Details:
With the putback of Fast Reboot by Default (PSARC 2008/760,
2009/091 and 2009/092), a Fast Reboot capable system will
bypass firmware when "reboot" or "init 6" is invoked. For
those users who wish to reboot through firmware, they can
invoke "reboot -p" directly, or set config/fastreboot_default
to false, then reboot.
However, there are cases where a user would like to reboot
through firmware only for the next reboot. One of such case is
to fully reset the hardware based on vendor recommendation for
newly flashed firmware to take effect on the Hermon cards.
While "reboot -p" should suffice, it's preferable if user
doesn't have to type the additional "-p" option directly.
Another usage model is the "Restart" button from the "Shutdown"
menu in GNOME desktop, which currently invokes "init 6". A new
"Restart through PROM" button could be added to perform the
equivalent of "reboot -p", but with all the clean shutdown
currently performed by "init 6".
To enable the above usage models, a new non-persistent property
group "fastreboot_disable_np" will be introduced to
svc:/system/boot-config:default disable the Fast Reboot by
Default feature for the next reboot only.
4.1.1. Library Interface
A new interface scf_fastreboot_disable_np() will be added
to disable Fast Reboot by Default for the next reboot only.
The _np suffix signifies that the disable is non-persistent.
4.2. Bug/RFE Number(s):
6846870 Need to add non-persistent Fast Reboot disable support
4.5. Interfaces:
Minor binding only.
INTERFACE COMMITMENT LEVEL COMMENT
Property group
"fastreboot_disable_np" committed Requires
solaris.system.shutdown
authorization.
scf_fastreboot_disable_np() committed
4.6. Doc Impact:
4.6.1 Man pages for scf_fastreboot_disable_np(3SCF)
int scf_fastreboot_disable_np(void); |
|
The scf_fastreboot_disable_np() function disables Fast Reboot |
by Default temporarily, so that next reboot only will go |
through firmware. |
6. Resources and Schedule
6.4. Steering Committee requested information
6.4.1. Consolidation C-team Name:
ON
6.5. ARC review type: FastTrack
6.6. ARC Exposure: open
--
Sherry Moore, Solaris Core Kernel http://blogs.sun.com/sherrym
