diff options
Diffstat (limited to 'include/linux/intel_vsec.h')
| -rw-r--r-- | include/linux/intel_vsec.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/include/linux/intel_vsec.h b/include/linux/intel_vsec.h index bc95821f1bfb..71067afaca99 100644 --- a/include/linux/intel_vsec.h +++ b/include/linux/intel_vsec.h @@ -5,11 +5,18 @@ #include <linux/auxiliary_bus.h> #include <linux/bits.h> -#define VSEC_CAP_TELEMETRY BIT(0) -#define VSEC_CAP_WATCHER BIT(1) -#define VSEC_CAP_CRASHLOG BIT(2) -#define VSEC_CAP_SDSI BIT(3) -#define VSEC_CAP_TPMI BIT(4) +/* + * VSEC_CAP_UNUSED is reserved. It exists to prevent zero initialized + * intel_vsec devices from being automatically set to a known + * capability with ID 0 + */ +#define VSEC_CAP_UNUSED BIT(0) +#define VSEC_CAP_TELEMETRY BIT(1) +#define VSEC_CAP_WATCHER BIT(2) +#define VSEC_CAP_CRASHLOG BIT(3) +#define VSEC_CAP_SDSI BIT(4) +#define VSEC_CAP_TPMI BIT(5) +#define VSEC_FEATURE_COUNT 6 /* Intel DVSEC offsets */ #define INTEL_DVSEC_ENTRIES 0xA @@ -81,22 +88,31 @@ struct pmt_callbacks { int (*read_telem)(struct pci_dev *pdev, u32 guid, u64 *data, loff_t off, u32 count); }; +struct vsec_feature_dependency { + unsigned long feature; + unsigned long supplier_bitmap; +}; + /** * 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 + * @deps: array of feature dependencies * @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) + * @num_deps: Count feature dependencies */ struct intel_vsec_platform_info { struct device *parent; struct intel_vsec_header **headers; + const struct vsec_feature_dependency *deps; void *priv_data; unsigned long caps; unsigned long quirks; u64 base_addr; + int num_deps; }; /** @@ -110,6 +126,7 @@ struct intel_vsec_platform_info { * @priv_data: any private data needed * @quirks: specified quirks * @base_addr: base address of entries (if specified) + * @cap_id: the enumerated id of the vsec feature */ struct intel_vsec_device { struct auxiliary_device auxdev; @@ -122,6 +139,7 @@ struct intel_vsec_device { size_t priv_data_size; unsigned long quirks; u64 base_addr; + unsigned long cap_id; }; int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent, |