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Subject[PATCH] arch/tile: allow querying cpu module information from the hypervisor
This just adds a few more attributes to the information Linux
can query from the hypervisor for the /sys/hypervisor/board/ directory,
providing part, serial#, revision#, and description for cpu modules
(as opposed to the board itself, or any mezzanine boards).

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
---
arch/tile/include/hv/hypervisor.h | 14 +++++++++++++-
arch/tile/kernel/sysfs.c | 8 ++++++++
2 files changed, 21 insertions(+), 1 deletions(-)

diff --git a/arch/tile/include/hv/hypervisor.h b/arch/tile/include/hv/hypervisor.h
index 3bc4045..5ae7faa 100644
--- a/arch/tile/include/hv/hypervisor.h
+++ b/arch/tile/include/hv/hypervisor.h
@@ -508,7 +508,19 @@ typedef enum {
HV_CONFSTR_SWITCH_CONTROL = 14,

/** Chip revision level. */
- HV_CONFSTR_CHIP_REV = 15
+ HV_CONFSTR_CHIP_REV = 15,
+
+ /** CPU module part number. */
+ HV_CONFSTR_CPUMOD_PART_NUM = 16,
+
+ /** CPU module serial number. */
+ HV_CONFSTR_CPUMOD_SERIAL_NUM = 17,
+
+ /** CPU module revision level. */
+ HV_CONFSTR_CPUMOD_REV = 18,
+
+ /** Human-readable CPU module description. */
+ HV_CONFSTR_CPUMOD_DESC = 19

} HV_ConfstrQuery;

diff --git a/arch/tile/kernel/sysfs.c b/arch/tile/kernel/sysfs.c
index 71ae728..e25b0a8 100644
--- a/arch/tile/kernel/sysfs.c
+++ b/arch/tile/kernel/sysfs.c
@@ -93,6 +93,10 @@ HV_CONF_ATTR(mezz_part, HV_CONFSTR_MEZZ_PART_NUM)
HV_CONF_ATTR(mezz_serial, HV_CONFSTR_MEZZ_SERIAL_NUM)
HV_CONF_ATTR(mezz_revision, HV_CONFSTR_MEZZ_REV)
HV_CONF_ATTR(mezz_description, HV_CONFSTR_MEZZ_DESC)
+HV_CONF_ATTR(cpumod_part, HV_CONFSTR_CPUMOD_PART_NUM)
+HV_CONF_ATTR(cpumod_serial, HV_CONFSTR_CPUMOD_SERIAL_NUM)
+HV_CONF_ATTR(cpumod_revision, HV_CONFSTR_CPUMOD_REV)
+HV_CONF_ATTR(cpumod_description,HV_CONFSTR_CPUMOD_DESC)
HV_CONF_ATTR(switch_control, HV_CONFSTR_SWITCH_CONTROL)

static struct attribute *board_attrs[] = {
@@ -104,6 +108,10 @@ static struct attribute *board_attrs[] = {
&dev_attr_mezz_serial.attr,
&dev_attr_mezz_revision.attr,
&dev_attr_mezz_description.attr,
+ &dev_attr_cpumod_part.attr,
+ &dev_attr_cpumod_serial.attr,
+ &dev_attr_cpumod_revision.attr,
+ &dev_attr_cpumod_description.attr,
&dev_attr_switch_control.attr,
NULL
};
--
1.6.5.2


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