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-rw-r--r--include/linux/intel_vsec.h (renamed from drivers/platform/x86/intel/vsec.h)47
1 files changed, 44 insertions, 3 deletions
diff --git a/drivers/platform/x86/intel/vsec.h b/include/linux/intel_vsec.h
index e23e76129691..11ee185566c3 100644
--- a/drivers/platform/x86/intel/vsec.h
+++ b/include/linux/intel_vsec.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _VSEC_H
-#define _VSEC_H
+#ifndef _INTEL_VSEC_H
+#define _INTEL_VSEC_H
#include <linux/auxiliary_bus.h>
#include <linux/bits.h>
@@ -67,15 +67,49 @@ enum intel_vsec_quirks {
VSEC_QUIRK_EARLY_HW = BIT(4),
};
-/* Platform specific data */
+/**
+ * struct pmt_callbacks - Callback infrastructure for PMT devices
+ * ->read_telem() when specified, called by client driver to access PMT data (instead
+ * of direct copy).
+ * @pdev: PCI device reference for the callback's use
+ * @guid: ID of data to acccss
+ * @data: buffer for the data to be copied
+ * @count: size of buffer
+ */
+struct pmt_callbacks {
+ int (*read_telem)(struct pci_dev *pdev, u32 guid, u64 *data, u32 count);
+};
+
+/**
+ * struct intel_vsec_platform_info - Platform specific data
+ * @parent: parent device in the auxbus chain
+ * @headers: list of headers to define the PMT client devices to create
+ * @priv_data: private data, usable by parent devices, currently a callback
+ * @caps: bitmask of PMT capabilities for the given headers
+ * @quirks: bitmask of VSEC device quirks
+ * @base_addr: allow a base address to be specified (rather than derived)
+ */
struct intel_vsec_platform_info {
struct device *parent;
struct intel_vsec_header **headers;
+ void *priv_data;
unsigned long caps;
unsigned long quirks;
u64 base_addr;
};
+/**
+ * struct intel_sec_device - Auxbus specific device information
+ * @auxdev: auxbus device struct for auxbus access
+ * @pcidev: pci device associated with the device
+ * @resource: any resources shared by the parent
+ * @ida: id reference
+ * @num_resources: number of resources
+ * @id: xarray id
+ * @priv_data: any private data needed
+ * @quirks: specified quirks
+ * @base_addr: base address of entries (if specified)
+ */
struct intel_vsec_device {
struct auxiliary_device auxdev;
struct pci_dev *pcidev;
@@ -103,6 +137,13 @@ static inline struct intel_vsec_device *auxdev_to_ivdev(struct auxiliary_device
return container_of(auxdev, struct intel_vsec_device, auxdev);
}
+#if IS_ENABLED(CONFIG_INTEL_VSEC)
void intel_vsec_register(struct pci_dev *pdev,
struct intel_vsec_platform_info *info);
+#else
+static inline void intel_vsec_register(struct pci_dev *pdev,
+ struct intel_vsec_platform_info *info)
+{
+}
+#endif
#endif