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authorJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2021-01-15 08:49:57 +0200
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2021-01-15 08:49:57 +0200
commitd263dfa7d2697a43f3299b9731cd568ee49cdd2c (patch)
treef5d993c7000ac41ee926acf0b357ec572ef7908f /drivers/platform/x86/intel_pmt_class.h
parentdrm/i915/gt: Prune inlines (diff)
parentMerge tag 'drm-intel-gt-next-2021-01-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-next (diff)
downloadwireguard-linux-d263dfa7d2697a43f3299b9731cd568ee49cdd2c.tar.xz
wireguard-linux-d263dfa7d2697a43f3299b9731cd568ee49cdd2c.zip
Merge drm/drm-next into drm-intel-gt-next
Backmerging to get a common base for merging topic branches between drm-intel-next and drm-intel-gt-next. Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/platform/x86/intel_pmt_class.h')
-rw-r--r--drivers/platform/x86/intel_pmt_class.h52
1 files changed, 52 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..de8f8139ba31
--- /dev/null
+++ b/drivers/platform/x86/intel_pmt_class.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _INTEL_PMT_CLASS_H
+#define _INTEL_PMT_CLASS_H
+
+#include <linux/platform_device.h>
+#include <linux/xarray.h>
+#include <linux/types.h>
+#include <linux/bits.h>
+#include <linux/err.h>
+#include <linux/io.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 intel_pmt_entry {
+ struct bin_attribute pmt_bin_attr;
+ struct kobject *kobj;
+ void __iomem *disc_table;
+ void __iomem *base;
+ unsigned long base_addr;
+ size_t size;
+ u32 guid;
+ int devid;
+};
+
+struct intel_pmt_header {
+ u32 base_offset;
+ u32 size;
+ u32 guid;
+ u8 access_type;
+};
+
+struct intel_pmt_namespace {
+ const char *name;
+ struct xarray *xa;
+ const struct attribute_group *attr_grp;
+ int (*pmt_header_decode)(struct intel_pmt_entry *entry,
+ struct intel_pmt_header *header,
+ struct device *dev);
+};
+
+int intel_pmt_dev_create(struct intel_pmt_entry *entry,
+ struct intel_pmt_namespace *ns,
+ struct platform_device *pdev, int idx);
+void intel_pmt_dev_destroy(struct intel_pmt_entry *entry,
+ struct intel_pmt_namespace *ns);
+#endif