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Commit deca1043 authored by Dinesh K Garg's avatar Dinesh K Garg
Browse files

qseecom: expose a new IOCTL for new FDE design 



Adding a new IOCTL QSEECOM_IOCTL_SET_ICE_INFO so that userspace can
provide information to kernel whenever FDE is enabled.

Change-Id: I03b5571effc07fe5b6b261fae98a0bd2d2958744
Signed-off-by: default avatarDinesh K Garg <dineshg@codeaurora.org>
parent 421f436f

drivers/misc/qseecom.c

+11 −0
Original line number Diff line number Diff line
@@ -7648,6 +7648,17 @@ static inline long qseecom_ioctl(struct file *file, 
		atomic_dec(&data->ioctl_count);

		break;

	}

	case QSEECOM_IOCTL_SET_ICE_INFO: {

		struct qseecom_ice_data_t ice_data;



		ret = copy_from_user(&ice_data, argp, sizeof(ice_data));

		if (ret) {

			pr_err("copy_from_user failed\n");

			return -EFAULT;

		}

		qcom_ice_set_fde_flag(ice_data.flag);

		break;

	}

	default:

		pr_err("Invalid IOCTL: 0x%x\n", cmd);

		return -EINVAL;

include/uapi/linux/qseecom.h

+6 −0
Original line number Diff line number Diff line
@@ -268,6 +268,10 @@ struct qseecom_ce_pipe_entry { 
	unsigned int ce_pipe_pair;

};



struct qseecom_ice_data_t {

	int flag;

};



#define MAX_CE_INFO_HANDLE_SIZE 32

struct qseecom_ce_info_req {

	unsigned char handle[MAX_CE_INFO_HANDLE_SIZE];
@@ -385,5 +389,7 @@ struct file; 
#define QSEECOM_IOCTL_QUERY_CE_PIPE_INFO \

	_IOWR(QSEECOM_IOC_MAGIC, 42, struct qseecom_ce_info_req)



#define QSEECOM_IOCTL_SET_ICE_INFO \

	_IOWR(QSEECOM_IOC_MAGIC, 43, struct qseecom_ice_data_t)



#endif /* _UAPI_QSEECOM_H_ */