drivers/scsi/aic94xx/aic94xx.h

   1 /*
   2  * Aic94xx SAS/SATA driver header file.
   3  *
   4  * Copyright (C) 2005 Adaptec, Inc.  All rights reserved.
   5  * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
   6  *
   7  * This file is licensed under GPLv2.
   8  *
   9  * This file is part of the aic94xx driver.
  10  *
  11  * The aic94xx driver is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License as
  13  * published by the Free Software Foundation; version 2 of the
  14  * License.
  15  *
  16  * The aic94xx driver is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with the aic94xx driver; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  24  *
  25  * $Id: //depot/aic94xx/aic94xx.h#31 $
  26  */
  27
  28 #ifndef _AIC94XX_H_
  29 #define _AIC94XX_H_
  30
  31 #include <linux/slab.h>
  32 #include <linux/ctype.h>
  33 #include <scsi/libsas.h>
  34
  35 #define ASD_DRIVER_NAME         "aic94xx"
  36 #define ASD_DRIVER_DESCRIPTION  "Adaptec aic94xx SAS/SATA driver"
  37
  38 #define asd_printk(fmt, ...)    printk(KERN_NOTICE ASD_DRIVER_NAME ": " fmt, ## __VA_ARGS__)
  39
  40 #ifdef ASD_ENTER_EXIT
  41 #define ENTER  printk(KERN_NOTICE "%s: ENTER %s\n", ASD_DRIVER_NAME, \
  42                 __FUNCTION__)
  43 #define EXIT   printk(KERN_NOTICE "%s: --EXIT %s\n", ASD_DRIVER_NAME, \
  44                 __FUNCTION__)
  45 #else
  46 #define ENTER
  47 #define EXIT
  48 #endif
  49
  50 #ifdef ASD_DEBUG
  51 #define ASD_DPRINTK asd_printk
  52 #else
  53 #define ASD_DPRINTK(fmt, ...)
  54 #endif
  55
  56 /* 2*ITNL timeout + 1 second */
  57 #define AIC94XX_SCB_TIMEOUT  (5*HZ)
  58
  59 extern struct kmem_cache *asd_dma_token_cache;
  60 extern struct kmem_cache *asd_ascb_cache;
  61 extern char sas_addr_str[2*SAS_ADDR_SIZE + 1];
  62
  63 static inline void asd_stringify_sas_addr(char *p, const u8 *sas_addr)
  64 {
  65         int i;
  66         for (i = 0; i < SAS_ADDR_SIZE; i++, p += 2)
  67                 snprintf(p, 3, "%02X", sas_addr[i]);
  68         *p = '\0';
  69 }
  70
  71 static inline void asd_destringify_sas_addr(u8 *sas_addr, const char *p)
  72 {
  73         int i;
  74         for (i = 0; i < SAS_ADDR_SIZE; i++) {
  75                 u8 h, l;
  76                 if (!*p)
  77                         break;
  78                 h = isdigit(*p) ? *p-'0' : *p-'A'+10;
  79                 p++;
  80                 l = isdigit(*p) ? *p-'0' : *p-'A'+10;
  81                 p++;
  82                 sas_addr[i] = (h<<4) | l;
  83         }
  84 }
  85
  86 struct asd_ha_struct;
  87 struct asd_ascb;
  88
  89 int  asd_read_ocm(struct asd_ha_struct *asd_ha);
  90 int  asd_read_flash(struct asd_ha_struct *asd_ha);
  91
  92 int  asd_dev_found(struct domain_device *dev);
  93 void asd_dev_gone(struct domain_device *dev);
  94
  95 void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id);
  96
  97 int  asd_execute_task(struct sas_task *, int num, gfp_t gfp_flags);
  98
  99 /* ---------- TMFs ---------- */
 100 int  asd_abort_task(struct sas_task *);
 101 int  asd_abort_task_set(struct domain_device *, u8 *lun);
 102 int  asd_clear_aca(struct domain_device *, u8 *lun);
 103 int  asd_clear_task_set(struct domain_device *, u8 *lun);
 104 int  asd_lu_reset(struct domain_device *, u8 *lun);
 105 int  asd_I_T_nexus_reset(struct domain_device *dev);
 106 int  asd_query_task(struct sas_task *);
 107
 108 /* ---------- Adapter and Port management ---------- */
 109 int  asd_clear_nexus_port(struct asd_sas_port *port);
 110 int  asd_clear_nexus_ha(struct sas_ha_struct *sas_ha);
 111
 112 /* ---------- Phy Management ---------- */
 113 int  asd_control_phy(struct asd_sas_phy *phy, enum phy_func func, void *arg);
 114
 115 #endif