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