1 files changed, 52 insertions, 0 deletions
diff --git a/include/linux/pds/pds_common.h b/include/linux/pds/pds_common.h
new file mode 100644
index 000000000..30581e2e0
--- /dev/null
+++ b/include/linux/pds/pds_common.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR Linux-OpenIB) OR BSD-2-Clause */
+/* Copyright(c) 2023 Advanced Micro Devices, Inc. */
+
+#ifndef _PDS_COMMON_H_
+#define _PDS_COMMON_H_
+
+#define PDS_CORE_DRV_NAME			"pds_core"
+
+/* the device's internal addressing uses up to 52 bits */
+#define PDS_CORE_ADDR_LEN	52
+#define PDS_CORE_ADDR_MASK	(BIT_ULL(PDS_ADDR_LEN) - 1)
+#define PDS_PAGE_SIZE		4096
+
+enum pds_core_driver_type {
+	PDS_DRIVER_LINUX   = 1,
+	PDS_DRIVER_WIN     = 2,
+	PDS_DRIVER_DPDK    = 3,
+	PDS_DRIVER_FREEBSD = 4,
+	PDS_DRIVER_IPXE    = 5,
+	PDS_DRIVER_ESXI    = 6,
+};
+
+enum pds_core_vif_types {
+	PDS_DEV_TYPE_CORE	= 0,
+	PDS_DEV_TYPE_VDPA	= 1,
+	PDS_DEV_TYPE_VFIO	= 2,
+	PDS_DEV_TYPE_ETH	= 3,
+	PDS_DEV_TYPE_RDMA	= 4,
+	PDS_DEV_TYPE_LM		= 5,
+
+	/* new ones added before this line */
+	PDS_DEV_TYPE_MAX	= 16   /* don't change - used in struct size */
+};
+
+#define PDS_DEV_TYPE_CORE_STR	"Core"
+#define PDS_DEV_TYPE_VDPA_STR	"vDPA"
+#define PDS_DEV_TYPE_VFIO_STR	"vfio"
+#define PDS_DEV_TYPE_ETH_STR	"Eth"
+#define PDS_DEV_TYPE_RDMA_STR	"RDMA"
+#define PDS_DEV_TYPE_LM_STR	"LM"
+
+#define PDS_VDPA_DEV_NAME	PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_VDPA_STR
+#define PDS_VFIO_LM_DEV_NAME	PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_LM_STR "." PDS_DEV_TYPE_VFIO_STR
+
+struct pdsc;
+
+int pdsc_register_notify(struct notifier_block *nb);
+void pdsc_unregister_notify(struct notifier_block *nb);
+void *pdsc_get_pf_struct(struct pci_dev *vf_pdev);
+int pds_client_register(struct pdsc *pf, char *devname);
+int pds_client_unregister(struct pdsc *pf, u16 client_id);
+#endif /* _PDS_COMMON_H_ */