1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _INTEL_PMT_CLASS_H 3 #define _INTEL_PMT_CLASS_H 4 5 #include <linux/xarray.h> 6 #include <linux/types.h> 7 #include <linux/bits.h> 8 #include <linux/err.h> 9 #include <linux/io.h> 10 11 #include "../vsec.h" 12 #include "telemetry.h" 13 14 /* PMT access types */ 15 #define ACCESS_BARID 2 16 #define ACCESS_LOCAL 3 17 18 /* PMT discovery base address/offset register layout */ 19 #define GET_BIR(v) ((v) & GENMASK(2, 0)) 20 #define GET_ADDRESS(v) ((v) & GENMASK(31, 3)) 21 22 struct pci_dev; 23 24 struct telem_endpoint { 25 struct pci_dev *pcidev; 26 struct telem_header header; 27 void __iomem *base; 28 bool present; 29 struct kref kref; 30 }; 31 32 struct intel_pmt_header { 33 u32 base_offset; 34 u32 size; 35 u32 guid; 36 u8 access_type; 37 }; 38 39 struct intel_pmt_entry { 40 struct telem_endpoint *ep; 41 struct intel_pmt_header header; 42 struct bin_attribute pmt_bin_attr; 43 struct kobject *kobj; 44 void __iomem *disc_table; 45 void __iomem *base; 46 unsigned long base_addr; 47 size_t size; 48 u32 guid; 49 int devid; 50 }; 51 52 struct intel_pmt_namespace { 53 const char *name; 54 struct xarray *xa; 55 const struct attribute_group *attr_grp; 56 int (*pmt_header_decode)(struct intel_pmt_entry *entry, 57 struct device *dev); 58 int (*pmt_add_endpoint)(struct intel_pmt_entry *entry, 59 struct pci_dev *pdev); 60 }; 61 62 bool intel_pmt_is_early_client_hw(struct device *dev); 63 int intel_pmt_dev_create(struct intel_pmt_entry *entry, 64 struct intel_pmt_namespace *ns, 65 struct intel_vsec_device *dev, int idx); 66 void intel_pmt_dev_destroy(struct intel_pmt_entry *entry, 67 struct intel_pmt_namespace *ns); 68 #endif 69