diff options
Diffstat (limited to '0001-virt-vbox-Rename-guest_caps-struct-members-to-set_gu.patch')
| -rw-r--r-- | 0001-virt-vbox-Rename-guest_caps-struct-members-to-set_gu.patch | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/0001-virt-vbox-Rename-guest_caps-struct-members-to-set_gu.patch b/0001-virt-vbox-Rename-guest_caps-struct-members-to-set_gu.patch new file mode 100644 index 000000000..e92eac034 --- /dev/null +++ b/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 + |