65 lines
1.8 KiB
Diff
65 lines
1.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jason Chen CJ <jason.cj.chen@intel.com>
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Date: Fri, 31 Aug 2018 10:58:58 +0800
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Subject: [PATCH] VHM: add VHM api version support
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Change-Id: I36dd051d0cc04720ab8d69817392ff97f1e5ad34
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Tracked-On: 218802
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Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
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---
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drivers/char/vhm/vhm_dev.c | 16 ++++++++++++++++
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include/linux/vhm/vhm_ioctl_defs.h | 5 +++++
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2 files changed, 21 insertions(+)
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diff --git a/drivers/char/vhm/vhm_dev.c b/drivers/char/vhm/vhm_dev.c
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index 88fb0fa..27844c8 100644
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--- a/drivers/char/vhm/vhm_dev.c
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+++ b/drivers/char/vhm/vhm_dev.c
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@@ -87,6 +87,9 @@
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#define DEVICE_NAME "acrn_vhm"
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#define CLASS_NAME "vhm"
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+#define VHM_API_VERSION_MAJOR 1
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+#define VHM_API_VERSION_MINOR 0
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+
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static int major;
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static struct class *vhm_class;
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static struct device *vhm_device;
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@@ -156,6 +159,19 @@ static long vhm_dev_ioctl(struct file *filep,
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trace_printk("[%s] ioctl_num=0x%x\n", __func__, ioctl_num);
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+ if (ioctl_num == IC_GET_API_VERSION) {
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+ struct api_version api_version;
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+
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+ api_version.major_version = VHM_API_VERSION_MAJOR;
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+ api_version.minor_version = VHM_API_VERSION_MINOR;
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+
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+ if (copy_to_user((void *)ioctl_param, &api_version,
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+ sizeof(struct api_version)))
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+ return -EFAULT;
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+
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+ return 0;
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+ }
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+
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memset(&hc_pt_irq, 0, sizeof(hc_pt_irq));
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memset(&ic_pt_irq, 0, sizeof(ic_pt_irq));
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vm = (struct vhm_vm *)filep->private_data;
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diff --git a/include/linux/vhm/vhm_ioctl_defs.h b/include/linux/vhm/vhm_ioctl_defs.h
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index d00b658..258ec39 100644
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--- a/include/linux/vhm/vhm_ioctl_defs.h
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+++ b/include/linux/vhm/vhm_ioctl_defs.h
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@@ -159,4 +159,9 @@ struct ioreq_notify {
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uint32_t vcpu;
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};
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+struct api_version {
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+ uint32_t major_version;
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+ uint32_t minor_version;
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+};
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+
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#endif /* VHM_IOCTL_DEFS_H */
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--
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https://clearlinux.org
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