[PATCH 10/17] util: add ccw device address parsing into virccw
Add virCCWDeviceAddressParseFromString and use it in nodedev udev.
Signed-off-by: Boris Fiuczynski <fiuczy(a)linux.ibm.com>
---
src/libvirt_private.syms | 1 +
src/node_device/node_device_udev.c | 8 +++++---
src/util/virccw.c | 18 ++++++++++++++++++
src/util/virccw.h | 5 +++++
4 files changed, 29 insertions(+), 3 deletions(-)
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 09867b7876..148d016e0e 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1927,6 +1927,7 @@ virCCWDeviceAddressAsString;
virCCWDeviceAddressEqual;
virCCWDeviceAddressIncrement;
virCCWDeviceAddressIsValid;
+virCCWDeviceAddressParseFromString;
# util/vircgroup.h
diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
index b68dc12158..4bb841c66b 100644
--- a/src/node_device/node_device_udev.c
+++ b/src/node_device/node_device_udev.c
@@ -36,6 +36,7 @@
#include "viruuid.h"
#include "virbuffer.h"
#include "virfile.h"
+#include "virccw.h"
#include "virpci.h"
#include "virpidfile.h"
#include "virstring.h"
@@ -1086,9 +1087,10 @@ udevGetCCWAddress(const char *sysfs_path,
char *p;
if ((p = strrchr(sysfs_path, '/')) == NULL ||
- virStrToLong_ui(p + 1, &p, 16, &data->ccw_dev.cssid) < 0 || p ==
NULL ||
- virStrToLong_ui(p + 1, &p, 16, &data->ccw_dev.ssid) < 0 || p ==
NULL ||
- virStrToLong_ui(p + 1, &p, 16, &data->ccw_dev.devno) < 0) {
+ virCCWDeviceAddressParseFromString(p + 1,
+ &data->ccw_dev.cssid,
+ &data->ccw_dev.ssid,
+ &data->ccw_dev.devno) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to parse the CCW address from sysfs path:
'%s'"),
sysfs_path);
diff --git a/src/util/virccw.c b/src/util/virccw.c
index e2785bd9ab..33df1c2428 100644
--- a/src/util/virccw.c
+++ b/src/util/virccw.c
@@ -20,6 +20,7 @@
#include <config.h>
#include "virccw.h"
+#include "virstring.h"
bool
@@ -60,3 +61,20 @@ virCCWDeviceAddressIncrement(virCCWDeviceAddress *addr)
*addr = ccwaddr;
return 0;
}
+
+int
+virCCWDeviceAddressParseFromString(const char *address,
+ unsigned int *cssid,
+ unsigned int *ssid,
+ unsigned int *devno)
+{
+ char *p;
+
+ if (address == NULL || virStrToLong_ui(address, &p, 16, cssid) < 0 ||
+ p == NULL || virStrToLong_ui(p + 1, &p, 16, ssid) < 0 ||
+ p == NULL || virStrToLong_ui(p + 1, &p, 16, devno) < 0) {
+ return -1;
+ }
+
+ return 0;
+}
diff --git a/src/util/virccw.h b/src/util/virccw.h
index aebbd4ab6d..df0273bcac 100644
--- a/src/util/virccw.h
+++ b/src/util/virccw.h
@@ -42,3 +42,8 @@ bool virCCWDeviceAddressEqual(virCCWDeviceAddress *addr1,
char* virCCWDeviceAddressAsString(virCCWDeviceAddress *addr)
ATTRIBUTE_NONNULL(1);
int virCCWDeviceAddressIncrement(virCCWDeviceAddress *addr);
+
+int virCCWDeviceAddressParseFromString(const char *address,
+ unsigned int *cssid,
+ unsigned int *ssid,
+ unsigned int *devno);
--
2.33.1