Commit c832da79 authored by Weili Qian's avatar Weili Qian Committed by Herbert Xu
Browse files

crypto: hisilicon/qm - add UACCE_CMD_QM_SET_QP_INFO support 



To be compatible with accelerator devices of different
versions, 'UACCE_CMD_QM_SET_QP_INFO' ioctl is added to obtain
queue information in userspace, including queue depth and buffer
description size.

Signed-off-by: default avatarWeili Qian <qianweili@huawei.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 129a9f34

drivers/crypto/hisilicon/qm.c

+18 −3
Original line number Diff line number Diff line
@@ -3430,6 +3430,7 @@ static long hisi_qm_uacce_ioctl(struct uacce_queue *q, unsigned int cmd, 
				unsigned long arg)

{

	struct hisi_qp *qp = q->priv;

	struct hisi_qp_info qp_info;

	struct hisi_qp_ctx qp_ctx;



	if (cmd == UACCE_CMD_QM_SET_QP_CTX) {
@@ -3446,11 +3447,25 @@ static long hisi_qm_uacce_ioctl(struct uacce_queue *q, unsigned int cmd, 
		if (copy_to_user((void __user *)arg, &qp_ctx,

				 sizeof(struct hisi_qp_ctx)))

			return -EFAULT;

	} else {

		return -EINVAL;

	}



		return 0;

	} else if (cmd == UACCE_CMD_QM_SET_QP_INFO) {

		if (copy_from_user(&qp_info, (void __user *)arg,

				   sizeof(struct hisi_qp_info)))

			return -EFAULT;



		qp_info.sqe_size = qp->qm->sqe_size;

		qp_info.sq_depth = qp->sq_depth;

		qp_info.cq_depth = qp->cq_depth;



		if (copy_to_user((void __user *)arg, &qp_info,

				  sizeof(struct hisi_qp_info)))

			return -EFAULT;



		return 0;

	}



	return -EINVAL;

}



static const struct uacce_ops uacce_qm_ops = {

include/uapi/misc/uacce/hisi_qm.h

+16 −1
Original line number Diff line number Diff line
@@ -14,11 +14,26 @@ struct hisi_qp_ctx { 
	__u16 qc_type;

};



/**

 * struct hisi_qp_info - User data for hisi qp.

 * @sqe_size: Submission queue element size

 * @sq_depth: The number of sqe

 * @cq_depth: The number of cqe

 * @reserved: Reserved data

 */

struct hisi_qp_info {

	__u32 sqe_size;

	__u16 sq_depth;

	__u16 cq_depth;

	__u64 reserved;

};



#define HISI_QM_API_VER_BASE "hisi_qm_v1"

#define HISI_QM_API_VER2_BASE "hisi_qm_v2"

#define HISI_QM_API_VER3_BASE "hisi_qm_v3"



/* UACCE_CMD_QM_SET_QP_CTX: Set qp algorithm type */

#define UACCE_CMD_QM_SET_QP_CTX	_IOWR('H', 10, struct hisi_qp_ctx)



/* UACCE_CMD_QM_SET_QP_INFO: Set qp depth and BD size */

#define UACCE_CMD_QM_SET_QP_INFO _IOWR('H', 11, struct hisi_qp_info)

#endif