Add build system scaffolding and libc headers

1 files changed, 86 insertions, 0 deletions

diff --git a/include/arch/x86_64/linux/vfio_zdev.h b/include/arch/x86_64/linux/vfio_zdev.h
new file mode 100644
index 00000000..594538fb
--- /dev/null
+++ b/include/arch/x86_64/linux/vfio_zdev.h
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * VFIO Region definitions for ZPCI devices
+ *
+ * Copyright IBM Corp. 2020
+ *
+ * Author(s): Pierre Morel <pmorel@linux.ibm.com>
+ *            Matthew Rosato <mjrosato@linux.ibm.com>
+ */
+
+#ifndef _VFIO_ZDEV_H_
+#define _VFIO_ZDEV_H_
+
+#include <linux/types.h>
+#include <linux/vfio.h>
+
+/**
+ * VFIO_DEVICE_INFO_CAP_ZPCI_BASE - Base PCI Function information
+ *
+ * This capability provides a set of descriptive information about the
+ * associated PCI function.
+ */
+struct vfio_device_info_cap_zpci_base {
+	struct vfio_info_cap_header header;
+	__u64 start_dma;  /* Start of available DMA addresses */
+	__u64 end_dma;	  /* End of available DMA addresses */
+	__u16 pchid;	  /* Physical Channel ID */
+	__u16 vfn;	  /* Virtual function number */
+	__u16 fmb_length; /* Measurement Block Length (in bytes) */
+	__u8 pft;	  /* PCI Function Type */
+	__u8 gid;	  /* PCI function group ID */
+	/* End of version 1 */
+	__u32 fh; /* PCI function handle */
+		  /* End of version 2 */
+};
+
+/**
+ * VFIO_DEVICE_INFO_CAP_ZPCI_GROUP - Base PCI Function Group information
+ *
+ * This capability provides a set of descriptive information about the group of
+ * PCI functions that the associated device belongs to.
+ */
+struct vfio_device_info_cap_zpci_group {
+	struct vfio_info_cap_header header;
+	__u64 dasm;	/* DMA Address space mask */
+	__u64 msi_addr; /* MSI address */
+	__u64 flags;
+#define VFIO_DEVICE_INFO_ZPCI_FLAG_REFRESH 1 /* Program-specified TLB refresh \
+					      */
+	__u16 mui;     /* Measurement Block Update Interval */
+	__u16 noi;     /* Maximum number of MSIs */
+	__u16 maxstbl; /* Maximum Store Block Length */
+	__u8 version;  /* Supported PCI Version */
+	/* End of version 1 */
+	__u8 reserved;
+	__u16 imaxstbl; /* Maximum Interpreted Store Block Length */
+			/* End of version 2 */
+};
+
+/**
+ * VFIO_DEVICE_INFO_CAP_ZPCI_UTIL - Utility String
+ *
+ * This capability provides the utility string for the associated device, which
+ * is a device identifier string made up of EBCDID characters.  'size' specifies
+ * the length of 'util_str'.
+ */
+struct vfio_device_info_cap_zpci_util {
+	struct vfio_info_cap_header header;
+	__u32 size;
+	__u8 util_str[];
+};
+
+/**
+ * VFIO_DEVICE_INFO_CAP_ZPCI_PFIP - PCI Function Path
+ *
+ * This capability provides the PCI function path string, which is an identifier
+ * that describes the internal hardware path of the device. 'size' specifies
+ * the length of 'pfip'.
+ */
+struct vfio_device_info_cap_zpci_pfip {
+	struct vfio_info_cap_header header;
+	__u32 size;
+	__u8 pfip[];
+};
+
+#endif