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-rw-r--r--SOURCES/0001-virt-vbox-Rename-guest_caps-struct-members-to-set_gu.patch103
1 files changed, 103 insertions, 0 deletions
diff --git a/SOURCES/0001-virt-vbox-Rename-guest_caps-struct-members-to-set_gu.patch b/SOURCES/0001-virt-vbox-Rename-guest_caps-struct-members-to-set_gu.patch
new file mode 100644
index 0000000..e92eac0
--- /dev/null
+++ b/SOURCES/0001-virt-vbox-Rename-guest_caps-struct-members-to-set_gu.patch
@@ -0,0 +1,103 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Hans de Goede <hdegoede@redhat.com>
+Date: Tue, 19 May 2020 14:33:13 +0200
+Subject: [PATCH] virt: vbox: Rename guest_caps struct members to
+ set_guest_caps
+
+Rename guest_caps[_tracker] struct members to set_guest_caps[_tracker]
+this is a preparation patch for adding support for the
+VBGL_IOCTL_GUEST_CAPS_ACQUIRE ioctl.
+
+Signed-off-by: Hans de Goede <hdegoede@redhat.com>
+Upstream Status: https://lore.kernel.org/lkml/20200520195440.38759-1-hdegoede@redhat.com/
+---
+ drivers/virt/vboxguest/vboxguest_core.c | 20 ++++++++++----------
+ drivers/virt/vboxguest/vboxguest_core.h | 9 +++++----
+ 2 files changed, 15 insertions(+), 14 deletions(-)
+
+diff --git a/drivers/virt/vboxguest/vboxguest_core.c b/drivers/virt/vboxguest/vboxguest_core.c
+index 18ebd7a6af98..aee5eff229f2 100644
+--- a/drivers/virt/vboxguest/vboxguest_core.c
++++ b/drivers/virt/vboxguest/vboxguest_core.c
+@@ -699,17 +699,17 @@ static int vbg_set_session_capabilities(struct vbg_dev *gdev,
+ mutex_lock(&gdev->session_mutex);
+
+ /* Apply the changes to the session mask. */
+- previous = session->guest_caps;
+- session->guest_caps |= or_mask;
+- session->guest_caps &= ~not_mask;
++ previous = session->set_guest_caps;
++ session->set_guest_caps |= or_mask;
++ session->set_guest_caps &= ~not_mask;
+
+ /* If anything actually changed, update the global usage counters. */
+- changed = previous ^ session->guest_caps;
++ changed = previous ^ session->set_guest_caps;
+ if (!changed)
+ goto out;
+
+- vbg_track_bit_usage(&gdev->guest_caps_tracker, changed, previous);
+- or_mask = gdev->guest_caps_tracker.mask;
++ vbg_track_bit_usage(&gdev->set_guest_caps_tracker, changed, previous);
++ or_mask = gdev->set_guest_caps_tracker.mask;
+
+ if (gdev->guest_caps_host == or_mask || !req)
+ goto out;
+@@ -726,9 +726,9 @@ static int vbg_set_session_capabilities(struct vbg_dev *gdev,
+ if (session_termination)
+ goto out;
+
+- vbg_track_bit_usage(&gdev->guest_caps_tracker, changed,
+- session->guest_caps);
+- session->guest_caps = previous;
++ vbg_track_bit_usage(&gdev->set_guest_caps_tracker, changed,
++ session->set_guest_caps);
++ session->set_guest_caps = previous;
+ }
+
+ out:
+@@ -1452,7 +1452,7 @@ static int vbg_ioctl_change_guest_capabilities(struct vbg_dev *gdev,
+ if (ret)
+ return ret;
+
+- caps->u.out.session_caps = session->guest_caps;
++ caps->u.out.session_caps = session->set_guest_caps;
+ caps->u.out.global_caps = gdev->guest_caps_host;
+
+ return 0;
+diff --git a/drivers/virt/vboxguest/vboxguest_core.h b/drivers/virt/vboxguest/vboxguest_core.h
+index 77c3a9c8255d..dc745a033164 100644
+--- a/drivers/virt/vboxguest/vboxguest_core.h
++++ b/drivers/virt/vboxguest/vboxguest_core.h
+@@ -118,11 +118,12 @@ struct vbg_dev {
+ u32 event_filter_host;
+
+ /**
+- * Usage counters for guest capabilities. Indexed by capability bit
++ * Usage counters for guest capabilities requested through
++ * vbg_set_session_capabilities(). Indexed by capability bit
+ * number, one count per session using a capability.
+ * Protected by session_mutex.
+ */
+- struct vbg_bit_usage_tracker guest_caps_tracker;
++ struct vbg_bit_usage_tracker set_guest_caps_tracker;
+ /**
+ * The guest capabilities last reported to the host (or UINT32_MAX).
+ * Protected by session_mutex.
+@@ -164,11 +165,11 @@ struct vbg_session {
+ */
+ u32 event_filter;
+ /**
+- * Guest capabilities for this session.
++ * Guest capabilities set through vbg_set_session_capabilities().
+ * A capability claimed by any guest session will be reported to the
+ * host. Protected by vbg_gdev.session_mutex.
+ */
+- u32 guest_caps;
++ u32 set_guest_caps;
+ /** VMMDEV_REQUESTOR_* flags */
+ u32 requestor;
+ /** Set on CANCEL_ALL_WAITEVENTS, protected by vbg_devevent_spinlock. */
+--
+2.26.2
+