linux-kernel - [RFC PATCH v4 2/6] vfio: Introduce vGPU display irq type

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Message-Id: <20190718155640.25928-3-kechen.lu@intel.com>
Date:   Thu, 18 Jul 2019 23:56:36 +0800
From:   Kechen Lu <kechen.lu@...el.com>
To:     intel-gvt-dev@...ts.freedesktop.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Tina Zhang <tina.zhang@...el.com>, kraxel@...hat.com,
        zhenyuw@...ux.intel.com, zhiyuan.lv@...el.com,
        zhi.a.wang@...el.com, kevin.tian@...el.com, hang.yuan@...el.com,
        alex.williamson@...hat.com
Subject: [RFC PATCH v4 2/6] vfio: Introduce vGPU display irq type

From: Tina Zhang <tina.zhang@...el.com>

Introduce vGPU specific irq type VFIO_IRQ_TYPE_GFX, and
VFIO_IRQ_SUBTYPE_GFX_DISPLAY_IRQ as the subtype for vGPU display

Signed-off-by: Tina Zhang <tina.zhang@...el.com>
---
 include/uapi/linux/vfio.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
index be6adab4f759..df28b17a6e2e 100644
--- a/include/uapi/linux/vfio.h
+++ b/include/uapi/linux/vfio.h
@@ -469,6 +469,9 @@ struct vfio_irq_info_cap_type {
 	__u32 subtype;  /* type specific */
 };
 
+#define VFIO_IRQ_TYPE_GFX				(1)
+#define VFIO_IRQ_SUBTYPE_GFX_DISPLAY_IRQ		(1)
+
 /**
  * VFIO_DEVICE_SET_IRQS - _IOW(VFIO_TYPE, VFIO_BASE + 10, struct vfio_irq_set)
  *
-- 
2.17.1