1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/pmt/class.h b/drivers/platform/x86/intel/pmt/class.h
new file mode 100644
index 000000000000..3c5ad5f52bca
--- /dev/null
+++ b/drivers/platform/x86/intel/pmt/class.h
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _INTEL_PMT_CLASS_H
+#define _INTEL_PMT_CLASS_H
+
+#include <linux/intel_vsec.h>
+#include <linux/xarray.h>
+#include <linux/types.h>
+#include <linux/bits.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include "telemetry.h"
+
+/* PMT access types */
+#define ACCESS_BARID		2
+#define ACCESS_LOCAL		3
+
+/* PMT discovery base address/offset register layout */
+#define GET_BIR(v)		((v) & GENMASK(2, 0))
+#define GET_ADDRESS(v)		((v) & GENMASK(31, 3))
+
+struct pci_dev;
+extern struct class intel_pmt_class;
+
+struct telem_endpoint {
+	struct pci_dev		*pcidev;
+	struct telem_header	header;
+	struct pmt_callbacks	*cb;
+	void __iomem		*base;
+	bool			present;
+	struct kref		kref;
+};
+
+struct intel_pmt_header {
+	u32	base_offset;
+	u32	size;
+	u32	guid;
+	u8	access_type;
+};
+
+struct intel_pmt_entry {
+	struct telem_endpoint	*ep;
+	struct pci_dev		*pcidev;
+	struct intel_pmt_header	header;
+	struct bin_attribute	pmt_bin_attr;
+	const struct attribute_group *attr_grp;
+	struct kobject		*kobj;
+	void __iomem		*disc_table;
+	void __iomem		*base;
+	struct pmt_callbacks	*cb;
+	unsigned long		base_addr;
+	size_t			size;
+	u64			feature_flags;
+	u32			guid;
+	u32			num_rmids; /* Number of Resource Monitoring IDs */
+	int			devid;
+};
+
+struct intel_pmt_namespace {
+	const char *name;
+	struct xarray *xa;
+	int (*pmt_header_decode)(struct intel_pmt_entry *entry,
+				 struct device *dev);
+	int (*pmt_add_endpoint)(struct intel_vsec_device *ivdev,
+				struct intel_pmt_entry *entry);
+};
+
+int pmt_telem_read_mmio(struct pci_dev *pdev, struct pmt_callbacks *cb, u32 guid, void *buf,
+			void __iomem *addr, loff_t off, u32 count);
+bool intel_pmt_is_early_client_hw(struct device *dev);
+int intel_pmt_dev_create(struct intel_pmt_entry *entry,
+			 struct intel_pmt_namespace *ns,
+			 struct intel_vsec_device *dev, int idx);
+void intel_pmt_dev_destroy(struct intel_pmt_entry *entry,
+			   struct intel_pmt_namespace *ns);
+#if IS_ENABLED(CONFIG_INTEL_PMT_DISCOVERY)
+void intel_pmt_get_features(struct intel_pmt_entry *entry);
+#else
+static inline void intel_pmt_get_features(struct intel_pmt_entry *entry) {}
+#endif
+
+#endif