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From a89df2d899e6e93ab7bccdaa1afb130d01d9b286 Mon Sep 17 00:00:00 2001
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Message-Id: <a89df2d899e6e93ab7bccdaa1afb130d01d9b286@dist-git>
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From: Boris Fiuczynski <fiuczy@linux.ibm.com>
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Date: Thu, 8 Oct 2020 11:06:56 -0400
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Subject: [PATCH] node_device: refactor udevProcessCCW
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Refactor out CCW address parsing for later reuse.
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Reviewed-by: Erik Skultety <eskultet@redhat.com>
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Reviewed-by: Bjoern Walk <bwalk@linux.ibm.com>
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Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
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(cherry picked from commit 0e7f8bb6c1c3a63cf892f7afcd34fcb979ef0155)
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https://bugzilla.redhat.com/show_bug.cgi?id=1853289
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https://bugzilla.redhat.com/show_bug.cgi?id=1865932
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Message-Id: <20201008150700.52157-2-bfiuczyn@redhat.com>
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Reviewed-by: Erik Skultety <eskultet@redhat.com>
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---
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 src/node_device/node_device_udev.c | 31 ++++++++++++++++++++----------
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 1 file changed, 21 insertions(+), 10 deletions(-)
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diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
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index ae3d081e66..9667a042bd 100644
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--- a/src/node_device/node_device_udev.c
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+++ b/src/node_device/node_device_udev.c
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@@ -1058,27 +1058,38 @@ udevProcessMediatedDevice(struct udev_device *dev,
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 static int
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-udevProcessCCW(struct udev_device *device,
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-               virNodeDeviceDefPtr def)
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+udevGetCCWAddress(const char *sysfs_path,
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+                  virNodeDevCapDataPtr data)
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 {
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-    int online;
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     char *p;
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-    virNodeDevCapDataPtr data = &def->caps->data;
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-
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-    /* process only online devices to keep the list sane */
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-    if (udevGetIntSysfsAttr(device, "online", &online, 0) < 0 || online != 1)
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-        return -1;
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-    if ((p = strrchr(def->sysfs_path, '/')) == NULL ||
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+    if ((p = strrchr(sysfs_path, '/')) == NULL ||
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         virStrToLong_ui(p + 1, &p, 16, &data->ccw_dev.cssid) < 0 || p == NULL ||
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         virStrToLong_ui(p + 1, &p, 16, &data->ccw_dev.ssid) < 0 || p == NULL ||
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         virStrToLong_ui(p + 1, &p, 16, &data->ccw_dev.devno) < 0) {
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         virReportError(VIR_ERR_INTERNAL_ERROR,
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                        _("failed to parse the CCW address from sysfs path: '%s'"),
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-                       def->sysfs_path);
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+                       sysfs_path);
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         return -1;
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     }
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+    return 0;
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+}
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+
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+
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+static int
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+udevProcessCCW(struct udev_device *device,
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+               virNodeDeviceDefPtr def)
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+{
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+    int online;
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+
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+    /* process only online devices to keep the list sane */
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+    if (udevGetIntSysfsAttr(device, "online", &online, 0) < 0 || online != 1)
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+        return -1;
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+
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+    if (udevGetCCWAddress(def->sysfs_path, &def->caps->data) < 0)
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+        return -1;
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+
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     if (udevGenerateDeviceName(device, def, NULL) != 0)
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         return -1;
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-- 
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2.28.0
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