Query some files in rootfs to discover whether we are in a PowerVM,
powerKVM or a Power Bare Metal system.
Signed-off-by: Gabriel Krisman Bertazi <kris...@linux.vnet.ibm.com>
---
iprlib.c | 24 ++++++++++++++++++++++++
iprlib.h | 6 ++++++
2 files changed, 30 insertions(+)
diff --git a/iprlib.c b/iprlib.c
index b03c995..0fdc94a 100644
--- a/iprlib.c
+++ b/iprlib.c
@@ -2068,6 +2068,28 @@ static void ipr_get_pci_slots()
}
/**
+ * get_system_p_oper_mode
+ *
+ * Discover and load current operating mode.
+ **/
+void get_system_p_oper_mode()
+{
+ struct stat st;
+
+ if (stat("/proc/ppc64/lparcfg", &st) == 0) {
+ power_cur_mode = POWER_VM;
+ return;
+ }
+
+ if (stat("/etc/ibm_powerkvm-release", &st) == 0) {
+ power_cur_mode = POWER_KVM;
+ return;
+ }
+
+ power_cur_mode = POWER_BAREMETAL;
+}
+
+/**
* tool_init -
* @save_state: integer flag - whether or not to save the old
config
*
@@ -2175,6 +2197,8 @@ static int __tool_init(int save_state)
}
closedir(dirfd);
+ get_system_p_oper_mode();
+
if (!save_state)
free_old_config();
diff --git a/iprlib.h b/iprlib.h
index 7bd0172..33ab390 100644
--- a/iprlib.h
+++ b/iprlib.h
@@ -237,6 +237,12 @@ typedef uint64_t u64;
/* Device write cache policies. */
enum {IPR_DEV_CACHE_WRITE_THROUGH = 0, IPR_DEV_CACHE_WRITE_BACK};
+/* System P Operating modes */
+enum system_p_mode {POWER_VM, POWER_KVM, POWER_BAREMETAL} ;
+
+/* Current state of this machine. */
+enum system_p_mode power_cur_mode;
+
#define IPR_IS_DASD_DEVICE(std_inq_data) \
((((std_inq_data).peri_dev_type) == TYPE_DISK) &&
!((std_inq_data).removeable_medium))
--
2.1.0
------------------------------------------------------------------------------
_______________________________________________
Iprdd-devel mailing list
Iprdd-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/iprdd-devel
