diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/arm-smccc.h | 16 | ||||
| -rw-r--r-- | include/linux/psci.h | 14 |
2 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index 94a20c97937..e1d09884a1c 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -84,6 +84,22 @@ struct arm_smccc_quirk { }; /** + * struct arm_smccc_feature - Driver registration data for discoverable feature + * @driver_name: name of the driver relate to the SMCCC feature + * @is_supported: callback to test if SMCCC feature is supported + */ +struct arm_smccc_feature { + const char *driver_name; + bool (*is_supported)(void (*invoke_fn)(unsigned long a0, unsigned long a1, unsigned long a2, + unsigned long a3, unsigned long a4, unsigned long a5, + unsigned long a6, unsigned long a7, + struct arm_smccc_res *res)); +}; + +#define ARM_SMCCC_FEATURE_DRIVER(__name) \ + ll_entry_declare(struct arm_smccc_feature, __name, arm_smccc_feature) + +/** * __arm_smccc_smc() - make SMC calls * @a0-a7: arguments passed in registers 0 to 7 * @res: result values from registers 0 to 3 diff --git a/include/linux/psci.h b/include/linux/psci.h index c78c1079a82..03e41863432 100644 --- a/include/linux/psci.h +++ b/include/linux/psci.h @@ -11,6 +11,8 @@ #ifndef _UAPI_LINUX_PSCI_H #define _UAPI_LINUX_PSCI_H +#include <linux/arm-smccc.h> + /* * PSCI v0.1 interface * @@ -115,6 +117,18 @@ #define PSCI_RET_DISABLED -8 #define PSCI_RET_INVALID_ADDRESS -9 +/** + * struct psci_plat_data - PSCI driver platform data + * @method: Selected invocation conduit + */ +struct psci_plat_data { + void (*invoke_fn)(unsigned long arg0, unsigned long arg1, + unsigned long arg2, unsigned long arg3, + unsigned long arg4, unsigned long arg5, + unsigned long arg6, unsigned long arg7, + struct arm_smccc_res *res); +}; + #ifdef CONFIG_ARM_PSCI_FW unsigned long invoke_psci_fn(unsigned long a0, unsigned long a1, unsigned long a2, unsigned long a3); |