xref: /openbmc/linux/drivers/scsi/aic94xx/aic94xx.h (revision e3b9f1e8)
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 		__func__)
43 #define EXIT   printk(KERN_NOTICE "%s: --EXIT %s\n", ASD_DRIVER_NAME, \
44 		__func__)
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 
62 static inline void asd_stringify_sas_addr(char *p, const u8 *sas_addr)
63 {
64 	int i;
65 	for (i = 0; i < SAS_ADDR_SIZE; i++, p += 2)
66 		snprintf(p, 3, "%02X", sas_addr[i]);
67 	*p = '\0';
68 }
69 
70 struct asd_ha_struct;
71 struct asd_ascb;
72 
73 int  asd_read_ocm(struct asd_ha_struct *asd_ha);
74 int  asd_read_flash(struct asd_ha_struct *asd_ha);
75 
76 int  asd_dev_found(struct domain_device *dev);
77 void asd_dev_gone(struct domain_device *dev);
78 
79 void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id);
80 
81 int  asd_execute_task(struct sas_task *task, gfp_t gfp_flags);
82 
83 void asd_set_dmamode(struct domain_device *dev);
84 
85 /* ---------- TMFs ---------- */
86 int  asd_abort_task(struct sas_task *);
87 int  asd_abort_task_set(struct domain_device *, u8 *lun);
88 int  asd_clear_aca(struct domain_device *, u8 *lun);
89 int  asd_clear_task_set(struct domain_device *, u8 *lun);
90 int  asd_lu_reset(struct domain_device *, u8 *lun);
91 int  asd_I_T_nexus_reset(struct domain_device *dev);
92 int  asd_query_task(struct sas_task *);
93 
94 /* ---------- Adapter and Port management ---------- */
95 int  asd_clear_nexus_port(struct asd_sas_port *port);
96 int  asd_clear_nexus_ha(struct sas_ha_struct *sas_ha);
97 
98 /* ---------- Phy Management ---------- */
99 int  asd_control_phy(struct asd_sas_phy *phy, enum phy_func func, void *arg);
100 
101 #endif
102