drivers/crypto/qat/qat_common/adf_common_drv.h

/*
  This file is provided under a dual BSD/GPLv2 license.  When using or
  redistributing this file, you may do so under either license.

  GPL LICENSE SUMMARY
  Copyright(c) 2014 Intel Corporation.
  This program is free software; you can redistribute it and/or modify
  it under the terms of version 2 of the GNU General Public License as
  published by the Free Software Foundation.

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  General Public License for more details.

  Contact Information:
  qat-linux@intel.com

  BSD LICENSE
  Copyright(c) 2014 Intel Corporation.
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:

    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in
      the documentation and/or other materials provided with the
      distribution.
    * Neither the name of Intel Corporation nor the names of its
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ADF_DRV_H
#define ADF_DRV_H

#include <linux/list.h>
#include <linux/pci.h>
#include "adf_accel_devices.h"
#include "icp_qat_fw_loader_handle.h"
#include "icp_qat_hal.h"

#define ADF_MAJOR_VERSION	0
#define ADF_MINOR_VERSION	2
#define ADF_BUILD_VERSION	0
#define ADF_DRV_VERSION		__stringify(ADF_MAJOR_VERSION) "." \
				__stringify(ADF_MINOR_VERSION) "." \
				__stringify(ADF_BUILD_VERSION)

#define ADF_STATUS_RESTARTING 0
#define ADF_STATUS_STARTING 1
#define ADF_STATUS_CONFIGURED 2
#define ADF_STATUS_STARTED 3
#define ADF_STATUS_AE_INITIALISED 4
#define ADF_STATUS_AE_UCODE_LOADED 5
#define ADF_STATUS_AE_STARTED 6
#define ADF_STATUS_ORPHAN_TH_RUNNING 7
#define ADF_STATUS_IRQ_ALLOCATED 8

enum adf_dev_reset_mode {
	ADF_DEV_RESET_ASYNC = 0,
	ADF_DEV_RESET_SYNC
};

enum adf_event {
	ADF_EVENT_INIT = 0,
	ADF_EVENT_START,
	ADF_EVENT_STOP,
	ADF_EVENT_SHUTDOWN,
	ADF_EVENT_RESTARTING,
	ADF_EVENT_RESTARTED,
};

struct service_hndl {
	int (*event_hld)(struct adf_accel_dev *accel_dev,
			 enum adf_event event);
	unsigned long init_status;
	unsigned long start_status;
	char *name;
	struct list_head list;
};

static inline int get_current_node(void)
{
	return topology_physical_package_id(smp_processor_id());
}

int adf_service_register(struct service_hndl *service);
int adf_service_unregister(struct service_hndl *service);

int adf_dev_init(struct adf_accel_dev *accel_dev);
int adf_dev_start(struct adf_accel_dev *accel_dev);
int adf_dev_stop(struct adf_accel_dev *accel_dev);
void adf_dev_shutdown(struct adf_accel_dev *accel_dev);

void adf_enable_pf2vf_interrupts(struct adf_accel_dev *accel_dev);
void adf_disable_pf2vf_interrupts(struct adf_accel_dev *accel_dev);
int adf_iov_putmsg(struct adf_accel_dev *accel_dev, u32 msg, u8 vf_nr);
void adf_pf2vf_notify_restarting(struct adf_accel_dev *accel_dev);
int adf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev);
void adf_vf2pf_req_hndl(struct adf_accel_vf_info *vf_info);
void adf_devmgr_update_class_index(struct adf_hw_device_data *hw_data);
void adf_clean_vf_map(bool);

int adf_ctl_dev_register(void);
void adf_ctl_dev_unregister(void);
int adf_processes_dev_register(void);
void adf_processes_dev_unregister(void);

int adf_devmgr_add_dev(struct adf_accel_dev *accel_dev,
		       struct adf_accel_dev *pf);
void adf_devmgr_rm_dev(struct adf_accel_dev *accel_dev,
		       struct adf_accel_dev *pf);
struct list_head *adf_devmgr_get_head(void);
struct adf_accel_dev *adf_devmgr_get_dev_by_id(uint32_t id);
struct adf_accel_dev *adf_devmgr_get_first(void);
struct adf_accel_dev *adf_devmgr_pci_to_accel_dev(struct pci_dev *pci_dev);
int adf_devmgr_verify_id(uint32_t id);
void adf_devmgr_get_num_dev(uint32_t *num);
int adf_devmgr_in_reset(struct adf_accel_dev *accel_dev);
int adf_dev_started(struct adf_accel_dev *accel_dev);
int adf_dev_restarting_notify(struct adf_accel_dev *accel_dev);
int adf_dev_restarted_notify(struct adf_accel_dev *accel_dev);
int adf_ae_init(struct adf_accel_dev *accel_dev);
int adf_ae_shutdown(struct adf_accel_dev *accel_dev);
int adf_ae_fw_load(struct adf_accel_dev *accel_dev);
void adf_ae_fw_release(struct adf_accel_dev *accel_dev);
int adf_ae_start(struct adf_accel_dev *accel_dev);
int adf_ae_stop(struct adf_accel_dev *accel_dev);

int adf_enable_aer(struct adf_accel_dev *accel_dev, struct pci_driver *adf);
void adf_disable_aer(struct adf_accel_dev *accel_dev);
int adf_init_aer(void);
void adf_exit_aer(void);
int adf_init_admin_comms(struct adf_accel_dev *accel_dev);
void adf_exit_admin_comms(struct adf_accel_dev *accel_dev);
int adf_send_admin_init(struct adf_accel_dev *accel_dev);
int adf_init_arb(struct adf_accel_dev *accel_dev);
void adf_exit_arb(struct adf_accel_dev *accel_dev);
void adf_update_ring_arb(struct adf_etr_ring_data *ring);

int adf_dev_get(struct adf_accel_dev *accel_dev);
void adf_dev_put(struct adf_accel_dev *accel_dev);
int adf_dev_in_use(struct adf_accel_dev *accel_dev);
int adf_init_etr_data(struct adf_accel_dev *accel_dev);
void adf_cleanup_etr_data(struct adf_accel_dev *accel_dev);
int qat_crypto_register(void);
int qat_crypto_unregister(void);
struct qat_crypto_instance *qat_crypto_get_instance_node(int node);
void qat_crypto_put_instance(struct qat_crypto_instance *inst);
void qat_alg_callback(void *resp);
void qat_alg_asym_callback(void *resp);
int qat_algs_register(void);
void qat_algs_unregister(void);
int qat_asym_algs_register(void);
void qat_asym_algs_unregister(void);

int qat_hal_init(struct adf_accel_dev *accel_dev);
void qat_hal_deinit(struct icp_qat_fw_loader_handle *handle);
void qat_hal_start(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
		   unsigned int ctx_mask);
void qat_hal_stop(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
		  unsigned int ctx_mask);
void qat_hal_reset(struct icp_qat_fw_loader_handle *handle);
int qat_hal_clr_reset(struct icp_qat_fw_loader_handle *handle);
void qat_hal_set_live_ctx(struct icp_qat_fw_loader_handle *handle,
			  unsigned char ae, unsigned int ctx_mask);
int qat_hal_set_ae_lm_mode(struct icp_qat_fw_loader_handle *handle,
			   unsigned char ae, enum icp_qat_uof_regtype lm_type,
			   unsigned char mode);
int qat_hal_set_ae_ctx_mode(struct icp_qat_fw_loader_handle *handle,
			    unsigned char ae, unsigned char mode);
int qat_hal_set_ae_nn_mode(struct icp_qat_fw_loader_handle *handle,
			   unsigned char ae, unsigned char mode);
void qat_hal_set_pc(struct icp_qat_fw_loader_handle *handle,
		    unsigned char ae, unsigned int ctx_mask, unsigned int upc);
void qat_hal_wr_uwords(struct icp_qat_fw_loader_handle *handle,
		       unsigned char ae, unsigned int uaddr,
		       unsigned int words_num, uint64_t *uword);
void qat_hal_wr_umem(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
		     unsigned int uword_addr, unsigned int words_num,
		     unsigned int *data);
int qat_hal_get_ins_num(void);
int qat_hal_batch_wr_lm(struct icp_qat_fw_loader_handle *handle,
			unsigned char ae,
			struct icp_qat_uof_batch_init *lm_init_header);
int qat_hal_init_gpr(struct icp_qat_fw_loader_handle *handle,
		     unsigned char ae, unsigned char ctx_mask,
		     enum icp_qat_uof_regtype reg_type,
		     unsigned short reg_num, unsigned int regdata);
int qat_hal_init_wr_xfer(struct icp_qat_fw_loader_handle *handle,
			 unsigned char ae, unsigned char ctx_mask,
			 enum icp_qat_uof_regtype reg_type,
			 unsigned short reg_num, unsigned int regdata);
int qat_hal_init_rd_xfer(struct icp_qat_fw_loader_handle *handle,
			 unsigned char ae, unsigned char ctx_mask,
			 enum icp_qat_uof_regtype reg_type,
			 unsigned short reg_num, unsigned int regdata);
int qat_hal_init_nn(struct icp_qat_fw_loader_handle *handle,
		    unsigned char ae, unsigned char ctx_mask,
		    unsigned short reg_num, unsigned int regdata);
int qat_hal_wr_lm(struct icp_qat_fw_loader_handle *handle,
		  unsigned char ae, unsigned short lm_addr, unsigned int value);
int qat_uclo_wr_all_uimage(struct icp_qat_fw_loader_handle *handle);
void qat_uclo_del_uof_obj(struct icp_qat_fw_loader_handle *handle);
int qat_uclo_map_uof_obj(struct icp_qat_fw_loader_handle *handle,
			 void *addr_ptr, int mem_size);
void qat_uclo_wr_mimage(struct icp_qat_fw_loader_handle *handle,
			void *addr_ptr, int mem_size);
#if defined(CONFIG_PCI_IOV)
int adf_sriov_configure(struct pci_dev *pdev, int numvfs);
void adf_disable_sriov(struct adf_accel_dev *accel_dev);
void adf_disable_vf2pf_interrupts(struct adf_accel_dev *accel_dev,
				  uint32_t vf_mask);
void adf_enable_vf2pf_interrupts(struct adf_accel_dev *accel_dev,
				 uint32_t vf_mask);
#else
static inline int adf_sriov_configure(struct pci_dev *pdev, int numvfs)
{
	return 0;
}

static inline void adf_disable_sriov(struct adf_accel_dev *accel_dev)
{
}
#endif
#endif