linux-kernel - [PATCH 5/9] GenWQE: Move comments

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Date:	Mon,  4 Nov 2013 18:08:05 +0100
From:	Frank Haverkamp <haver@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	arnd@...db.de, gregkh@...uxfoundation.org, cody@...ux.vnet.ibm.com,
	schwidefsky@...ibm.com, utz.bacher@...ibm.com, mmarek@...e.cz,
	rmallon@...il.com, jsvogt@...ibm.com, MIJUNG@...ibm.com,
	cascardo@...ux.vnet.ibm.com, michael@...ra.de,
	haver@...ux.vnet.ibm.com
Subject: [PATCH 5/9] GenWQE: Move comments

Move documentation from driver sources to appropriate place in the
sysfs documentation file for this driver

Signed-off-by: Frank Haverkamp <haver@...ux.vnet.ibm.com>
---
 Documentation/ABI/testing/sysfs-driver-genwqe |    9 +++++++++
 drivers/misc/genwqe/card_base.c               |   20 --------------------
 2 files changed, 9 insertions(+), 20 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-driver-genwqe b/Documentation/ABI/testing/sysfs-driver-genwqe
index d85c076..0976901 100644
--- a/Documentation/ABI/testing/sysfs-driver-genwqe
+++ b/Documentation/ABI/testing/sysfs-driver-genwqe
@@ -44,3 +44,12 @@ What:           /sys/class/genwqe/genwqe<n>_card/base_clock
 Date:           Oct 2013
 Contact:        haver@...ux.vnet.ibm.com
 Description:    Base clock frequency of the card.
+
+What:           /sys/class/genwqe/genwqe<n>_card/device/sriov_numvfs
+Date:           Oct 2013
+Contact:        haver@...ux.vnet.ibm.com
+Description:    Enable VFs (1..15):
+                  sudo sh -c 'echo 15 > \
+                    /sys/bus/pci/devices/0000\:1b\:00.0/sriov_numvfs'
+                Disable VFs:
+                  Write a 0 into the same sysfs entry.
diff --git a/drivers/misc/genwqe/card_base.c b/drivers/misc/genwqe/card_base.c
index 271d957..c649ef7 100644
--- a/drivers/misc/genwqe/card_base.c
+++ b/drivers/misc/genwqe/card_base.c
@@ -22,16 +22,6 @@
  * Module initialization and PCIe setup. Card health monitoring and
  * recovery functionality. Character device creation and deletion are
  * controlled from here.
- *
- * Please use the new sysfs interfaces to enable the VFs after PF
- * driver loading.
- *
- * Enable VFs:
- *   sudo sh -c 'echo 15 > /sys/bus/pci/devices/0000\:1b\:00.0/sriov_numvfs'
- * or
- *   sudo sh -c 'echo 15 > /sys/class/genwqe/genwqe0_card/device/sriov_numvfs'
- * Disable VFs:
- *   Write a 0 into the same sysfs entries.
  */
 
 #include <linux/module.h>
@@ -798,22 +788,12 @@ static u64 genwqe_fir_checking(struct genwqe_dev *cd)
  *
  * This thread must only exit if kthread_should_stop() becomes true.
  *
- * Testing bind/unbind with:
- *   sudo sh -c "echo -n 0000:20:00.0 > /sys/bus/pci/drivers/genwqe/unbind"
- *   sudo sh -c "echo -n 0000:20:00.0 > /sys/bus/pci/drivers/genwqe/bind"
- *
  * Condition for the health-thread to trigger:
  *   a) when a kthread_stop() request comes in or
  *   b) a critical GFIR occured
  *
  * Informational GFIRs are checked and potentially printed in
  * health_check_interval seconds.
- *
- * Testcase to trigger this code:
- *   Fatal GFIR:
- *     sudo ./tools/genwqe_poke -C0 0x00000008 0x001
- *   Info GFIR by writing to VF:
- *     sudo ./tools/genwqe_poke -C2 0x00020020 0x800
  */
 static int genwqe_health_thread(void *data)
 {
-- 
1.7.1

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