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kernel/linux-imx6_3.14.28/drivers/scsi/aic94xx/aic94xx.h 2.99 KB
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  /*
   * Aic94xx SAS/SATA driver header file.
   *
   * Copyright (C) 2005 Adaptec, Inc.  All rights reserved.
   * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
   *
   * This file is licensed under GPLv2.
   *
   * This file is part of the aic94xx driver.
   *
   * The aic94xx driver is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License as
   * published by the Free Software Foundation; version 2 of the
   * License.
   *
   * The aic94xx driver 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.
   *
   * You should have received a copy of the GNU General Public License
   * along with the aic94xx driver; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   *
   * $Id: //depot/aic94xx/aic94xx.h#31 $
   */
  
  #ifndef _AIC94XX_H_
  #define _AIC94XX_H_
  
  #include <linux/slab.h>
  #include <linux/ctype.h>
  #include <scsi/libsas.h>
  
  #define ASD_DRIVER_NAME		"aic94xx"
  #define ASD_DRIVER_DESCRIPTION	"Adaptec aic94xx SAS/SATA driver"
  
  #define asd_printk(fmt, ...)	printk(KERN_NOTICE ASD_DRIVER_NAME ": " fmt, ## __VA_ARGS__)
  
  #ifdef ASD_ENTER_EXIT
  #define ENTER  printk(KERN_NOTICE "%s: ENTER %s
  ", ASD_DRIVER_NAME, \
  		__func__)
  #define EXIT   printk(KERN_NOTICE "%s: --EXIT %s
  ", ASD_DRIVER_NAME, \
  		__func__)
  #else
  #define ENTER
  #define EXIT
  #endif
  
  #ifdef ASD_DEBUG
  #define ASD_DPRINTK asd_printk
  #else
  #define ASD_DPRINTK(fmt, ...)
  #endif
  
  /* 2*ITNL timeout + 1 second */
  #define AIC94XX_SCB_TIMEOUT  (5*HZ)
  
  extern struct kmem_cache *asd_dma_token_cache;
  extern struct kmem_cache *asd_ascb_cache;
  
  static inline void asd_stringify_sas_addr(char *p, const u8 *sas_addr)
  {
  	int i;
  	for (i = 0; i < SAS_ADDR_SIZE; i++, p += 2)
  		snprintf(p, 3, "%02X", sas_addr[i]);
  	*p = '\0';
  }
  
  struct asd_ha_struct;
  struct asd_ascb;
  
  int  asd_read_ocm(struct asd_ha_struct *asd_ha);
  int  asd_read_flash(struct asd_ha_struct *asd_ha);
  
  int  asd_dev_found(struct domain_device *dev);
  void asd_dev_gone(struct domain_device *dev);
  
  void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id);
  
  int  asd_execute_task(struct sas_task *, int num, gfp_t gfp_flags);
  
  void asd_set_dmamode(struct domain_device *dev);
  
  /* ---------- TMFs ---------- */
  int  asd_abort_task(struct sas_task *);
  int  asd_abort_task_set(struct domain_device *, u8 *lun);
  int  asd_clear_aca(struct domain_device *, u8 *lun);
  int  asd_clear_task_set(struct domain_device *, u8 *lun);
  int  asd_lu_reset(struct domain_device *, u8 *lun);
  int  asd_I_T_nexus_reset(struct domain_device *dev);
  int  asd_query_task(struct sas_task *);
  
  /* ---------- Adapter and Port management ---------- */
  int  asd_clear_nexus_port(struct asd_sas_port *port);
  int  asd_clear_nexus_ha(struct sas_ha_struct *sas_ha);
  
  /* ---------- Phy Management ---------- */
  int  asd_control_phy(struct asd_sas_phy *phy, enum phy_func func, void *arg);
  
  #endif