drivers/crypto/hisilicon/qm.h - linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 */
 /* Copyright (c) 2019 HiSilicon Limited. */
 #ifndef HISI_ACC_QM_H
 #define HISI_ACC_QM_H

 #include <linux/bitfield.h>
 #include <linux/iopoll.h>
 #include <linux/module.h>
 #include <linux/pci.h>

 #define QM_QNUM_V1			4096
 #define QM_QNUM_V2			1024
 #define QM_MAX_VFS_NUM_V2		63

 /* qm user domain */
 #define QM_ARUSER_M_CFG_1		0x100088
 #define AXUSER_SNOOP_ENABLE		BIT(30)
 #define AXUSER_CMD_TYPE			GENMASK(14, 12)
 #define AXUSER_CMD_SMMU_NORMAL		1
 #define AXUSER_NS			BIT(6)
 #define AXUSER_NO			BIT(5)
 #define AXUSER_FP			BIT(4)
 #define AXUSER_SSV			BIT(0)
 #define AXUSER_BASE			(AXUSER_SNOOP_ENABLE |		\
 					FIELD_PREP(AXUSER_CMD_TYPE,	\
 					AXUSER_CMD_SMMU_NORMAL) |	\
 					AXUSER_NS | AXUSER_NO | AXUSER_FP)
 #define QM_ARUSER_M_CFG_ENABLE		0x100090
 #define ARUSER_M_CFG_ENABLE		0xfffffffe
 #define QM_AWUSER_M_CFG_1		0x100098
 #define QM_AWUSER_M_CFG_ENABLE		0x1000a0
 #define AWUSER_M_CFG_ENABLE		0xfffffffe
 #define QM_WUSER_M_CFG_ENABLE		0x1000a8
 #define WUSER_M_CFG_ENABLE		0xffffffff

 /* qm cache */
 #define QM_CACHE_CTL			0x100050
 #define SQC_CACHE_ENABLE		BIT(0)
 #define CQC_CACHE_ENABLE		BIT(1)
 #define SQC_CACHE_WB_ENABLE		BIT(4)
 #define SQC_CACHE_WB_THRD		GENMASK(10, 5)
 #define CQC_CACHE_WB_ENABLE		BIT(11)
 #define CQC_CACHE_WB_THRD		GENMASK(17, 12)
 #define QM_AXI_M_CFG			0x1000ac
 #define AXI_M_CFG			0xffff
 #define QM_AXI_M_CFG_ENABLE		0x1000b0
 #define AXI_M_CFG_ENABLE		0xffffffff
 #define QM_PEH_AXUSER_CFG		0x1000cc
 #define QM_PEH_AXUSER_CFG_ENABLE	0x1000d0
 #define PEH_AXUSER_CFG			0x401001
 #define PEH_AXUSER_CFG_ENABLE		0xffffffff

 #define QM_DFX_MB_CNT_VF		0x104010
 #define QM_DFX_DB_CNT_VF		0x104020
 #define QM_DFX_SQE_CNT_VF_SQN		0x104030
 #define QM_DFX_CQE_CNT_VF_CQN		0x104040
 #define QM_DFX_QN_SHIFT			16
 #define CURRENT_FUN_MASK		GENMASK(5, 0)
 #define CURRENT_Q_MASK			GENMASK(31, 16)

 #define QM_AXI_RRESP			BIT(0)
 #define QM_AXI_BRESP			BIT(1)
 #define QM_ECC_MBIT			BIT(2)
 #define QM_ECC_1BIT			BIT(3)
 #define QM_ACC_GET_TASK_TIMEOUT		BIT(4)
 #define QM_ACC_DO_TASK_TIMEOUT		BIT(5)
 #define QM_ACC_WB_NOT_READY_TIMEOUT	BIT(6)
 #define QM_SQ_CQ_VF_INVALID		BIT(7)
 #define QM_CQ_VF_INVALID		BIT(8)
 #define QM_SQ_VF_INVALID		BIT(9)
 #define QM_DB_TIMEOUT			BIT(10)
 #define QM_OF_FIFO_OF			BIT(11)
 #define QM_DB_RANDOM_INVALID		BIT(12)

 #define QM_BASE_NFE	(QM_AXI_RRESP | QM_AXI_BRESP | QM_ECC_MBIT | \
 			 QM_ACC_GET_TASK_TIMEOUT | QM_DB_TIMEOUT | \
 			 QM_OF_FIFO_OF | QM_DB_RANDOM_INVALID)
 #define QM_BASE_CE			QM_ECC_1BIT

 #define QM_Q_DEPTH			1024

 #define HISI_ACC_SGL_SGE_NR_MAX		255

 /* page number for queue file region */
 #define QM_DOORBELL_PAGE_NR		1

 enum qm_stop_reason {
 	QM_NORMAL,
 	QM_SOFT_RESET,
 	QM_FLR,
 };

 enum qm_state {
 	QM_INIT = 0,
 	QM_START,
 	QM_CLOSE,
 	QM_STOP,
 };

 enum qp_state {
 	QP_INIT = 1,
 	QP_START,
 	QP_STOP,
 	QP_CLOSE,
 };

 enum qm_hw_ver {
 	QM_HW_UNKNOWN = -1,
 	QM_HW_V1 = 0x20,
 	QM_HW_V2 = 0x21,
 	QM_HW_V3 = 0x30,
 };

 enum qm_fun_type {
 	QM_HW_PF,
 	QM_HW_VF,
 };

 enum qm_debug_file {
 	CURRENT_Q,
 	CLEAR_ENABLE,
 	DEBUG_FILE_NUM,
 };

 struct qm_dfx {
 	atomic64_t err_irq_cnt;
 	atomic64_t aeq_irq_cnt;
 	atomic64_t abnormal_irq_cnt;
 	atomic64_t create_qp_err_cnt;
 	atomic64_t mb_err_cnt;
 };

 struct debugfs_file {
 	enum qm_debug_file index;
 	struct mutex lock;
 	struct qm_debug *debug;
 };

 struct qm_debug {
 	u32 curr_qm_qp_num;
 	u32 sqe_mask_offset;
 	u32 sqe_mask_len;
 	struct qm_dfx dfx;
 	struct dentry *debug_root;
 	struct dentry *qm_d;
 	struct debugfs_file files[DEBUG_FILE_NUM];
 };

 struct qm_dma {
 	void *va;
 	dma_addr_t dma;
 	size_t size;
 };

 struct hisi_qm_status {
 	u32 eq_head;
 	bool eqc_phase;
 	u32 aeq_head;
 	bool aeqc_phase;
 	atomic_t flags;
 	int stop_reason;
 };

 struct hisi_qm;

 struct hisi_qm_err_info {
 	char *acpi_rst;
 	u32 msi_wr_port;
 	u32 ecc_2bits_mask;
 	u32 ce;
 	u32 nfe;
 	u32 fe;
 };

 struct hisi_qm_err_status {
 	u32 is_qm_ecc_mbit;
 	u32 is_dev_ecc_mbit;
 };

 struct hisi_qm_err_ini {
 	int (*hw_init)(struct hisi_qm *qm);
 	void (*hw_err_enable)(struct hisi_qm *qm);
 	void (*hw_err_disable)(struct hisi_qm *qm);
 	u32 (*get_dev_hw_err_status)(struct hisi_qm *qm);
 	void (*clear_dev_hw_err_status)(struct hisi_qm *qm, u32 err_sts);
 	void (*open_axi_master_ooo)(struct hisi_qm *qm);
 	void (*close_axi_master_ooo)(struct hisi_qm *qm);
 	void (*log_dev_hw_err)(struct hisi_qm *qm, u32 err_sts);
 	struct hisi_qm_err_info err_info;
 };

 struct hisi_qm_list {
 	struct mutex lock;
 	struct list_head list;
 };

 struct hisi_qm {
 	enum qm_hw_ver ver;
 	enum qm_fun_type fun_type;
 	const char *dev_name;
 	struct pci_dev *pdev;
 	void __iomem *io_base;
 	u32 sqe_size;
 	u32 qp_base;
 	u32 qp_num;
 	u32 qp_in_used;
 	u32 ctrl_qp_num;
 	u32 vfs_num;
 	struct list_head list;
 	struct hisi_qm_list *qm_list;

 	struct qm_dma qdma;
 	struct qm_sqc *sqc;
 	struct qm_cqc *cqc;
 	struct qm_eqe *eqe;
 	struct qm_aeqe *aeqe;
 	dma_addr_t sqc_dma;
 	dma_addr_t cqc_dma;
 	dma_addr_t eqe_dma;
 	dma_addr_t aeqe_dma;

 	struct hisi_qm_status status;
 	const struct hisi_qm_err_ini *err_ini;
 	struct hisi_qm_err_status err_status;
 	unsigned long reset_flag;

 	struct rw_semaphore qps_lock;
 	struct idr qp_idr;
 	struct hisi_qp *qp_array;

 	struct mutex mailbox_lock;

 	const struct hisi_qm_hw_ops *ops;

 	struct qm_debug debug;

 	u32 error_mask;

 	struct workqueue_struct *wq;
 	struct work_struct work;
 	struct work_struct rst_work;

 	const char *algs;
 	bool use_sva;
 	resource_size_t phys_base;
 	resource_size_t phys_size;
 	struct uacce_device *uacce;
 };

 struct hisi_qp_status {
 	atomic_t used;
 	u16 sq_tail;
 	u16 cq_head;
 	bool cqc_phase;
 	atomic_t flags;
 };

 struct hisi_qp_ops {
 	int (*fill_sqe)(void *sqe, void *q_parm, void *d_parm);
 };

 struct hisi_qp {
 	u32 qp_id;
 	u8 alg_type;
 	u8 req_type;

 	struct qm_dma qdma;
 	void *sqe;
 	struct qm_cqe *cqe;
 	dma_addr_t sqe_dma;
 	dma_addr_t cqe_dma;

 	struct hisi_qp_status qp_status;
 	struct hisi_qp_ops *hw_ops;
 	void *qp_ctx;
 	void (*req_cb)(struct hisi_qp *qp, void *data);
 	void (*event_cb)(struct hisi_qp *qp);

 	struct hisi_qm *qm;
 	bool is_resetting;
 	u16 pasid;
 	struct uacce_queue *uacce_q;
 };

 static inline int q_num_set(const char *val, const struct kernel_param *kp,
 			    unsigned int device)
 {
 	struct pci_dev *pdev = pci_get_device(PCI_VENDOR_ID_HUAWEI,
 					      device, NULL);
 	u32 n, q_num;
 	int ret;

 	if (!val)
 		return -EINVAL;

 	if (!pdev) {
 		q_num = min_t(u32, QM_QNUM_V1, QM_QNUM_V2);
 		pr_info("No device found currently, suppose queue number is %d\n",
 			q_num);
 	} else {
 		if (pdev->revision == QM_HW_V1)
 			q_num = QM_QNUM_V1;
 		else
 			q_num = QM_QNUM_V2;
 	}

 	ret = kstrtou32(val, 10, &n);
 	if (ret || !n || n > q_num)
 		return -EINVAL;

 	return param_set_int(val, kp);
 }

 static inline int vfs_num_set(const char *val, const struct kernel_param *kp)
 {
 	u32 n;
 	int ret;

 	if (!val)
 		return -EINVAL;

 	ret = kstrtou32(val, 10, &n);
 	if (ret < 0)
 		return ret;

 	if (n > QM_MAX_VFS_NUM_V2)
 		return -EINVAL;

 	return param_set_int(val, kp);
 }

 static inline void hisi_qm_init_list(struct hisi_qm_list *qm_list)
 {
 	INIT_LIST_HEAD(&qm_list->list);
 	mutex_init(&qm_list->lock);
 }

 static inline void hisi_qm_add_to_list(struct hisi_qm *qm,
 				       struct hisi_qm_list *qm_list)
 {
 	mutex_lock(&qm_list->lock);
 	list_add_tail(&qm->list, &qm_list->list);
 	mutex_unlock(&qm_list->lock);
 }

 static inline void hisi_qm_del_from_list(struct hisi_qm *qm,
 					 struct hisi_qm_list *qm_list)
 {
 	mutex_lock(&qm_list->lock);
 	list_del(&qm->list);
 	mutex_unlock(&qm_list->lock);
 }

 int hisi_qm_init(struct hisi_qm *qm);
 void hisi_qm_uninit(struct hisi_qm *qm);
 int hisi_qm_start(struct hisi_qm *qm);
 int hisi_qm_stop(struct hisi_qm *qm);
 struct hisi_qp *hisi_qm_create_qp(struct hisi_qm *qm, u8 alg_type);
 int hisi_qm_start_qp(struct hisi_qp *qp, unsigned long arg);
 int hisi_qm_stop_qp(struct hisi_qp *qp);
 void hisi_qm_release_qp(struct hisi_qp *qp);
 int hisi_qp_send(struct hisi_qp *qp, const void *msg);
 int hisi_qm_get_free_qp_num(struct hisi_qm *qm);
 int hisi_qm_get_vft(struct hisi_qm *qm, u32 *base, u32 *number);
 int hisi_qm_debug_init(struct hisi_qm *qm);
 enum qm_hw_ver hisi_qm_get_hw_version(struct pci_dev *pdev);
 void hisi_qm_debug_regs_clear(struct hisi_qm *qm);
 int hisi_qm_sriov_enable(struct pci_dev *pdev, int max_vfs);
 int hisi_qm_sriov_disable(struct pci_dev *pdev);
 int hisi_qm_sriov_configure(struct pci_dev *pdev, int num_vfs);
 void hisi_qm_dev_err_init(struct hisi_qm *qm);
 void hisi_qm_dev_err_uninit(struct hisi_qm *qm);
 pci_ers_result_t hisi_qm_dev_err_detected(struct pci_dev *pdev,
 					  pci_channel_state_t state);
 pci_ers_result_t hisi_qm_dev_slot_reset(struct pci_dev *pdev);
 void hisi_qm_reset_prepare(struct pci_dev *pdev);
 void hisi_qm_reset_done(struct pci_dev *pdev);

 struct hisi_acc_sgl_pool;
 struct hisi_acc_hw_sgl *hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev,
 	struct scatterlist *sgl, struct hisi_acc_sgl_pool *pool,
 	u32 index, dma_addr_t *hw_sgl_dma);
 void hisi_acc_sg_buf_unmap(struct device *dev, struct scatterlist *sgl,
 			   struct hisi_acc_hw_sgl *hw_sgl);
 struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev,
 						   u32 count, u32 sge_nr);
 void hisi_acc_free_sgl_pool(struct device *dev,
 			    struct hisi_acc_sgl_pool *pool);
 int hisi_qm_alloc_qps_node(struct hisi_qm_list *qm_list, int qp_num,
 			   u8 alg_type, int node, struct hisi_qp **qps);
 void hisi_qm_free_qps(struct hisi_qp **qps, int qp_num);
 #endif
	/* SPDX-License-Identifier: GPL-2.0 */
	/* Copyright (c) 2019 HiSilicon Limited. */
	#ifndef HISI_ACC_QM_H
	#define HISI_ACC_QM_H

	#include <linux/bitfield.h>
	#include <linux/iopoll.h>
	#include <linux/module.h>
	#include <linux/pci.h>

	#define QM_QNUM_V1 4096
	#define QM_QNUM_V2 1024
	#define QM_MAX_VFS_NUM_V2 63

	/* qm user domain */
	#define QM_ARUSER_M_CFG_1 0x100088
	#define AXUSER_SNOOP_ENABLE BIT(30)
	#define AXUSER_CMD_TYPE GENMASK(14, 12)
	#define AXUSER_CMD_SMMU_NORMAL 1
	#define AXUSER_NS BIT(6)
	#define AXUSER_NO BIT(5)
	#define AXUSER_FP BIT(4)
	#define AXUSER_SSV BIT(0)
	#define AXUSER_BASE (AXUSER_SNOOP_ENABLE \| \
	FIELD_PREP(AXUSER_CMD_TYPE, \
	AXUSER_CMD_SMMU_NORMAL) \| \
	AXUSER_NS \| AXUSER_NO \| AXUSER_FP)
	#define QM_ARUSER_M_CFG_ENABLE 0x100090
	#define ARUSER_M_CFG_ENABLE 0xfffffffe
	#define QM_AWUSER_M_CFG_1 0x100098
	#define QM_AWUSER_M_CFG_ENABLE 0x1000a0
	#define AWUSER_M_CFG_ENABLE 0xfffffffe
	#define QM_WUSER_M_CFG_ENABLE 0x1000a8
	#define WUSER_M_CFG_ENABLE 0xffffffff

	/* qm cache */
	#define QM_CACHE_CTL 0x100050
	#define SQC_CACHE_ENABLE BIT(0)
	#define CQC_CACHE_ENABLE BIT(1)
	#define SQC_CACHE_WB_ENABLE BIT(4)
	#define SQC_CACHE_WB_THRD GENMASK(10, 5)
	#define CQC_CACHE_WB_ENABLE BIT(11)
	#define CQC_CACHE_WB_THRD GENMASK(17, 12)
	#define QM_AXI_M_CFG 0x1000ac
	#define AXI_M_CFG 0xffff
	#define QM_AXI_M_CFG_ENABLE 0x1000b0
	#define AXI_M_CFG_ENABLE 0xffffffff
	#define QM_PEH_AXUSER_CFG 0x1000cc
	#define QM_PEH_AXUSER_CFG_ENABLE 0x1000d0
	#define PEH_AXUSER_CFG 0x401001
	#define PEH_AXUSER_CFG_ENABLE 0xffffffff

	#define QM_DFX_MB_CNT_VF 0x104010
	#define QM_DFX_DB_CNT_VF 0x104020
	#define QM_DFX_SQE_CNT_VF_SQN 0x104030
	#define QM_DFX_CQE_CNT_VF_CQN 0x104040
	#define QM_DFX_QN_SHIFT 16
	#define CURRENT_FUN_MASK GENMASK(5, 0)
	#define CURRENT_Q_MASK GENMASK(31, 16)

	#define QM_AXI_RRESP BIT(0)
	#define QM_AXI_BRESP BIT(1)
	#define QM_ECC_MBIT BIT(2)
	#define QM_ECC_1BIT BIT(3)
	#define QM_ACC_GET_TASK_TIMEOUT BIT(4)
	#define QM_ACC_DO_TASK_TIMEOUT BIT(5)
	#define QM_ACC_WB_NOT_READY_TIMEOUT BIT(6)
	#define QM_SQ_CQ_VF_INVALID BIT(7)
	#define QM_CQ_VF_INVALID BIT(8)
	#define QM_SQ_VF_INVALID BIT(9)
	#define QM_DB_TIMEOUT BIT(10)
	#define QM_OF_FIFO_OF BIT(11)
	#define QM_DB_RANDOM_INVALID BIT(12)

	#define QM_BASE_NFE (QM_AXI_RRESP \| QM_AXI_BRESP \| QM_ECC_MBIT \| \
	QM_ACC_GET_TASK_TIMEOUT \| QM_DB_TIMEOUT \| \
	QM_OF_FIFO_OF \| QM_DB_RANDOM_INVALID)
	#define QM_BASE_CE QM_ECC_1BIT

	#define QM_Q_DEPTH 1024

	#define HISI_ACC_SGL_SGE_NR_MAX 255

	/* page number for queue file region */
	#define QM_DOORBELL_PAGE_NR 1

	enum qm_stop_reason {
	QM_NORMAL,
	QM_SOFT_RESET,
	QM_FLR,
	};

	enum qm_state {
	QM_INIT = 0,
	QM_START,
	QM_CLOSE,
	QM_STOP,
	};

	enum qp_state {
	QP_INIT = 1,
	QP_START,
	QP_STOP,
	QP_CLOSE,
	};

	enum qm_hw_ver {
	QM_HW_UNKNOWN = -1,
	QM_HW_V1 = 0x20,
	QM_HW_V2 = 0x21,
	QM_HW_V3 = 0x30,
	};

	enum qm_fun_type {
	QM_HW_PF,
	QM_HW_VF,
	};

	enum qm_debug_file {
	CURRENT_Q,
	CLEAR_ENABLE,
	DEBUG_FILE_NUM,
	};

	struct qm_dfx {
	atomic64_t err_irq_cnt;
	atomic64_t aeq_irq_cnt;
	atomic64_t abnormal_irq_cnt;
	atomic64_t create_qp_err_cnt;
	atomic64_t mb_err_cnt;
	};

	struct debugfs_file {
	enum qm_debug_file index;
	struct mutex lock;
	struct qm_debug *debug;
	};

	struct qm_debug {
	u32 curr_qm_qp_num;
	u32 sqe_mask_offset;
	u32 sqe_mask_len;
	struct qm_dfx dfx;
	struct dentry *debug_root;
	struct dentry *qm_d;
	struct debugfs_file files[DEBUG_FILE_NUM];
	};

	struct qm_dma {
	void *va;
	dma_addr_t dma;
	size_t size;
	};

	struct hisi_qm_status {
	u32 eq_head;
	bool eqc_phase;
	u32 aeq_head;
	bool aeqc_phase;
	atomic_t flags;
	int stop_reason;
	};

	struct hisi_qm;

	struct hisi_qm_err_info {
	char *acpi_rst;
	u32 msi_wr_port;
	u32 ecc_2bits_mask;
	u32 ce;
	u32 nfe;
	u32 fe;
	};

	struct hisi_qm_err_status {
	u32 is_qm_ecc_mbit;
	u32 is_dev_ecc_mbit;
	};

	struct hisi_qm_err_ini {
	int (hw_init)(struct hisi_qm qm);
	void (hw_err_enable)(struct hisi_qm qm);
	void (hw_err_disable)(struct hisi_qm qm);
	u32 (get_dev_hw_err_status)(struct hisi_qm qm);
	void (clear_dev_hw_err_status)(struct hisi_qm qm, u32 err_sts);
	void (open_axi_master_ooo)(struct hisi_qm qm);
	void (close_axi_master_ooo)(struct hisi_qm qm);
	void (log_dev_hw_err)(struct hisi_qm qm, u32 err_sts);
	struct hisi_qm_err_info err_info;
	};

	struct hisi_qm_list {
	struct mutex lock;
	struct list_head list;
	};

	struct hisi_qm {
	enum qm_hw_ver ver;
	enum qm_fun_type fun_type;
	const char *dev_name;
	struct pci_dev *pdev;
	void __iomem *io_base;
	u32 sqe_size;
	u32 qp_base;
	u32 qp_num;
	u32 qp_in_used;
	u32 ctrl_qp_num;
	u32 vfs_num;
	struct list_head list;
	struct hisi_qm_list *qm_list;

	struct qm_dma qdma;
	struct qm_sqc *sqc;
	struct qm_cqc *cqc;
	struct qm_eqe *eqe;
	struct qm_aeqe *aeqe;
	dma_addr_t sqc_dma;
	dma_addr_t cqc_dma;
	dma_addr_t eqe_dma;
	dma_addr_t aeqe_dma;

	struct hisi_qm_status status;
	const struct hisi_qm_err_ini *err_ini;
	struct hisi_qm_err_status err_status;
	unsigned long reset_flag;

	struct rw_semaphore qps_lock;
	struct idr qp_idr;
	struct hisi_qp *qp_array;

	struct mutex mailbox_lock;

	const struct hisi_qm_hw_ops *ops;

	struct qm_debug debug;

	u32 error_mask;

	struct workqueue_struct *wq;
	struct work_struct work;
	struct work_struct rst_work;

	const char *algs;
	bool use_sva;
	resource_size_t phys_base;
	resource_size_t phys_size;
	struct uacce_device *uacce;
	};

	struct hisi_qp_status {
	atomic_t used;
	u16 sq_tail;
	u16 cq_head;
	bool cqc_phase;
	atomic_t flags;
	};

	struct hisi_qp_ops {
	int (fill_sqe)(void sqe, void q_parm, void d_parm);
	};

	struct hisi_qp {
	u32 qp_id;
	u8 alg_type;
	u8 req_type;

	struct qm_dma qdma;
	void *sqe;
	struct qm_cqe *cqe;
	dma_addr_t sqe_dma;
	dma_addr_t cqe_dma;

	struct hisi_qp_status qp_status;
	struct hisi_qp_ops *hw_ops;
	void *qp_ctx;
	void (req_cb)(struct hisi_qp qp, void *data);
	void (event_cb)(struct hisi_qp qp);

	struct hisi_qm *qm;
	bool is_resetting;
	u16 pasid;
	struct uacce_queue *uacce_q;
	};

	static inline int q_num_set(const char val, const struct kernel_param kp,
	unsigned int device)
	{
	struct pci_dev *pdev = pci_get_device(PCI_VENDOR_ID_HUAWEI,
	device, NULL);
	u32 n, q_num;
	int ret;

	if (!val)
	return -EINVAL;

	if (!pdev) {
	q_num = min_t(u32, QM_QNUM_V1, QM_QNUM_V2);
	pr_info("No device found currently, suppose queue number is %d\n",
	q_num);
	} else {
	if (pdev->revision == QM_HW_V1)
	q_num = QM_QNUM_V1;
	else
	q_num = QM_QNUM_V2;
	}

	ret = kstrtou32(val, 10, &n);
	if (ret \|\| !n \|\| n > q_num)
	return -EINVAL;

	return param_set_int(val, kp);
	}

	static inline int vfs_num_set(const char val, const struct kernel_param kp)
	{
	u32 n;
	int ret;

	if (!val)
	return -EINVAL;

	ret = kstrtou32(val, 10, &n);
	if (ret < 0)
	return ret;

	if (n > QM_MAX_VFS_NUM_V2)
	return -EINVAL;

	return param_set_int(val, kp);
	}

	static inline void hisi_qm_init_list(struct hisi_qm_list *qm_list)
	{
	INIT_LIST_HEAD(&qm_list->list);
	mutex_init(&qm_list->lock);
	}

	static inline void hisi_qm_add_to_list(struct hisi_qm *qm,
	struct hisi_qm_list *qm_list)
	{
	mutex_lock(&qm_list->lock);
	list_add_tail(&qm->list, &qm_list->list);
	mutex_unlock(&qm_list->lock);
	}

	static inline void hisi_qm_del_from_list(struct hisi_qm *qm,
	struct hisi_qm_list *qm_list)
	{
	mutex_lock(&qm_list->lock);
	list_del(&qm->list);
	mutex_unlock(&qm_list->lock);
	}

	int hisi_qm_init(struct hisi_qm *qm);
	void hisi_qm_uninit(struct hisi_qm *qm);
	int hisi_qm_start(struct hisi_qm *qm);
	int hisi_qm_stop(struct hisi_qm *qm);
	struct hisi_qp hisi_qm_create_qp(struct hisi_qm qm, u8 alg_type);
	int hisi_qm_start_qp(struct hisi_qp *qp, unsigned long arg);
	int hisi_qm_stop_qp(struct hisi_qp *qp);
	void hisi_qm_release_qp(struct hisi_qp *qp);
	int hisi_qp_send(struct hisi_qp qp, const void msg);
	int hisi_qm_get_free_qp_num(struct hisi_qm *qm);
	int hisi_qm_get_vft(struct hisi_qm qm, u32 base, u32 *number);
	int hisi_qm_debug_init(struct hisi_qm *qm);
	enum qm_hw_ver hisi_qm_get_hw_version(struct pci_dev *pdev);
	void hisi_qm_debug_regs_clear(struct hisi_qm *qm);
	int hisi_qm_sriov_enable(struct pci_dev *pdev, int max_vfs);
	int hisi_qm_sriov_disable(struct pci_dev *pdev);
	int hisi_qm_sriov_configure(struct pci_dev *pdev, int num_vfs);
	void hisi_qm_dev_err_init(struct hisi_qm *qm);
	void hisi_qm_dev_err_uninit(struct hisi_qm *qm);
	pci_ers_result_t hisi_qm_dev_err_detected(struct pci_dev *pdev,
	pci_channel_state_t state);
	pci_ers_result_t hisi_qm_dev_slot_reset(struct pci_dev *pdev);
	void hisi_qm_reset_prepare(struct pci_dev *pdev);
	void hisi_qm_reset_done(struct pci_dev *pdev);

	struct hisi_acc_sgl_pool;
	struct hisi_acc_hw_sgl hisi_acc_sg_buf_map_to_hw_sgl(struct device dev,
	struct scatterlist sgl, struct hisi_acc_sgl_pool pool,
	u32 index, dma_addr_t *hw_sgl_dma);
	void hisi_acc_sg_buf_unmap(struct device dev, struct scatterlist sgl,
	struct hisi_acc_hw_sgl *hw_sgl);
	struct hisi_acc_sgl_pool hisi_acc_create_sgl_pool(struct device dev,
	u32 count, u32 sge_nr);
	void hisi_acc_free_sgl_pool(struct device *dev,
	struct hisi_acc_sgl_pool *pool);
	int hisi_qm_alloc_qps_node(struct hisi_qm_list *qm_list, int qp_num,
	u8 alg_type, int node, struct hisi_qp **qps);
	void hisi_qm_free_qps(struct hisi_qp **qps, int qp_num);
	#endif