1 /*
2 * linux/drivers/message/fusion/mptscsih.h
3 * High performance SCSI / Fibre Channel SCSI Host device driver.
4 * For use with PCI chip/adapter(s):
5 * LSIFC9xx/LSI409xx Fibre Channel
6 * running LSI Fusion MPT (Message Passing Technology) firmware.
7 *
8 * Copyright (c) 1999-2008 LSI Corporation
9 * (mailto:DL-MPTFusionLinux@lsi.com)
10 *
11 */
12 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
13 /*
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; version 2 of the License.
17
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
22
23 NO WARRANTY
24 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
25 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
26 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
27 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
28 solely responsible for determining the appropriateness of using and
29 distributing the Program and assumes all risks associated with its
30 exercise of rights under this Agreement, including but not limited to
31 the risks and costs of program errors, damage to or loss of data,
32 programs or equipment, and unavailability or interruption of operations.
33
34 DISCLAIMER OF LIABILITY
35 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
36 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
38 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
39 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
40 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
41 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
42
43 You should have received a copy of the GNU General Public License
44 along with this program; if not, write to the Free Software
45 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
46 */
47
48 #ifndef SCSIHOST_H_INCLUDED
49 #define SCSIHOST_H_INCLUDED
50
51 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
52 /*
53 * SCSI Public stuff...
54 */
55
56 #define MPT_SCANDV_GOOD (0x00000000) /* must be 0 */
57 #define MPT_SCANDV_DID_RESET (0x00000001)
58 #define MPT_SCANDV_SENSE (0x00000002)
59 #define MPT_SCANDV_SOME_ERROR (0x00000004)
60 #define MPT_SCANDV_SELECTION_TIMEOUT (0x00000008)
61 #define MPT_SCANDV_ISSUE_SENSE (0x00000010)
62 #define MPT_SCANDV_FALLBACK (0x00000020)
63 #define MPT_SCANDV_BUSY (0x00000040)
64
65 #define MPT_SCANDV_MAX_RETRIES (10)
66
67 #define MPT_ICFLAG_BUF_CAP 0x01 /* ReadBuffer Read Capacity format */
68 #define MPT_ICFLAG_ECHO 0x02 /* ReadBuffer Echo buffer format */
69 #define MPT_ICFLAG_EBOS 0x04 /* ReadBuffer Echo buffer has EBOS */
70 #define MPT_ICFLAG_PHYS_DISK 0x08 /* Any SCSI IO but do Phys Disk Format */
71 #define MPT_ICFLAG_TAGGED_CMD 0x10 /* Do tagged IO */
72 #define MPT_ICFLAG_DID_RESET 0x20 /* Bus Reset occurred with this command */
73 #define MPT_ICFLAG_RESERVED 0x40 /* Reserved has been issued */
74
75 #define MPT_SCSI_CMD_PER_DEV_HIGH 64
76 #define MPT_SCSI_CMD_PER_DEV_LOW 32
77
78 #define MPT_SCSI_CMD_PER_LUN 7
79
80 #define MPT_SCSI_MAX_SECTORS 8192
81
82 /* SCSI driver setup structure. Settings can be overridden
83 * by command line options.
84 */
85 #define MPTSCSIH_DOMAIN_VALIDATION 1
86 #define MPTSCSIH_MAX_WIDTH 1
87 #define MPTSCSIH_MIN_SYNC 0x08
88 #define MPTSCSIH_SAF_TE 0
89 #define MPTSCSIH_PT_CLEAR 0
90
91 #endif
92
93
94 typedef struct _internal_cmd {
95 char *data; /* data pointer */
96 dma_addr_t data_dma; /* data dma address */
97 int size; /* transfer size */
98 u8 cmd; /* SCSI Op Code */
99 u8 channel; /* bus number */
100 u8 id; /* SCSI ID (virtual) */
101 u64 lun;
102 u8 flags; /* Bit Field - See above */
103 u8 physDiskNum; /* Phys disk number, -1 else */
104 u8 rsvd2;
105 u8 rsvd;
106 } INTERNAL_CMD;
107
108 extern void mptscsih_remove(struct pci_dev *);
109 extern void mptscsih_shutdown(struct pci_dev *);
110 #ifdef CONFIG_PM
111 extern int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
112 extern int mptscsih_resume(struct pci_dev *pdev);
113 #endif
114 extern int mptscsih_show_info(struct seq_file *, struct Scsi_Host *);
115 extern const char * mptscsih_info(struct Scsi_Host *SChost);
116 extern int mptscsih_qcmd(struct scsi_cmnd *SCpnt);
117 extern int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel,
118 u8 id, u64 lun, int ctx2abort, ulong timeout);
119 extern void mptscsih_slave_destroy(struct scsi_device *device);
120 extern int mptscsih_slave_configure(struct scsi_device *device);
121 extern int mptscsih_abort(struct scsi_cmnd * SCpnt);
122 extern int mptscsih_dev_reset(struct scsi_cmnd * SCpnt);
123 extern int mptscsih_bus_reset(struct scsi_cmnd * SCpnt);
124 extern int mptscsih_host_reset(struct scsi_cmnd *SCpnt);
125 extern int mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, sector_t capacity, int geom[]);
126 extern int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
127 extern int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
128 extern int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
129 extern int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
130 extern int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
131 extern int mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth);
132 extern u8 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id);
133 extern int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id);
134 extern struct device_attribute *mptscsih_host_attrs[];
135 extern struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
136 extern void mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
137 extern void mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd);