libvirt/libvirt-util-add-ccw-device-address-parsing-into-virccw.patch
2023-04-04 15:25:22 +02:00

108 lines
3.8 KiB
Diff

From 6d9fc3310cedf321f54530c0652998b67979e613 Mon Sep 17 00:00:00 2001
Message-Id: <6d9fc3310cedf321f54530c0652998b67979e613@dist-git>
From: Boris Fiuczynski <fiuczy@linux.ibm.com>
Date: Fri, 13 May 2022 12:31:09 +0200
Subject: [PATCH] util: add ccw device address parsing into virccw
Add virCCWDeviceAddressParseFromString and use it in nodedev udev.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
(cherry picked from commit 8d52f99f0b55ddfee4e0c00e756ca6c01250107d)
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2165011
Signed-off-by: Thomas Huth <thuth@redhat.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 44b551fb60..6f1292e0c4 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1904,6 +1904,7 @@ 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 a9e8bf10da..ffcb3e8640 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"
@@ -1090,9 +1091,10 @@ 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);
--
2.39.1