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authorStephen M. Cameron <scameron@beardog.cce.hp.com>2009-12-08 17:09:11 -0500
committerJames Bottomley <James.Bottomley@suse.de>2009-12-10 10:55:00 -0500
commitedd163687ea59f01d6b43c9e1fdaa0126fa30191 (patch)
tree419b8b983cbc7c72ffa3917ce8b706caa63084a1 /drivers/scsi/hpsa_cmd.h
parent0109abffbf91b76e2a34e324a407d780a55fc1ab (diff)
[SCSI] hpsa: add driver for HP Smart Array controllers.
This driver supports a subset of HP Smart Array Controllers. It is a SCSI alternative to the cciss driver. [akpm@linux-foundation.org: avoid helpful cleanup patches] [achiang@hp.com: make device attrs static] [akpm@linux-foundation.org: msleep() does set_current_state() itself] Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: Mike Miller <mikem@beardog.cce.hp.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/hpsa_cmd.h')
-rw-r--r--drivers/scsi/hpsa_cmd.h326
1 files changed, 326 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
new file mode 100644
index 000000000000..12d71387ed9a
--- /dev/null
+++ b/drivers/scsi/hpsa_cmd.h
@@ -0,0 +1,326 @@
1/*
2 * Disk Array driver for HP Smart Array SAS controllers
3 * Copyright 2000, 2009 Hewlett-Packard Development Company, L.P.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
12 * NON INFRINGEMENT. See the GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 *
18 * Questions/Comments/Bugfixes to iss_storagedev@hp.com
19 *
20 */
21#ifndef HPSA_CMD_H
22#define HPSA_CMD_H
23
24/* general boundary defintions */
25#define SENSEINFOBYTES 32 /* may vary between hbas */
26#define MAXSGENTRIES 31
27#define MAXREPLYQS 256
28
29/* Command Status value */
30#define CMD_SUCCESS 0x0000
31#define CMD_TARGET_STATUS 0x0001
32#define CMD_DATA_UNDERRUN 0x0002
33#define CMD_DATA_OVERRUN 0x0003
34#define CMD_INVALID 0x0004
35#define CMD_PROTOCOL_ERR 0x0005
36#define CMD_HARDWARE_ERR 0x0006
37#define CMD_CONNECTION_LOST 0x0007
38#define CMD_ABORTED 0x0008
39#define CMD_ABORT_FAILED 0x0009
40#define CMD_UNSOLICITED_ABORT 0x000A
41#define CMD_TIMEOUT 0x000B
42#define CMD_UNABORTABLE 0x000C
43
44/* Unit Attentions ASC's as defined for the MSA2012sa */
45#define POWER_OR_RESET 0x29
46#define STATE_CHANGED 0x2a
47#define UNIT_ATTENTION_CLEARED 0x2f
48#define LUN_FAILED 0x3e
49#define REPORT_LUNS_CHANGED 0x3f
50
51/* Unit Attentions ASCQ's as defined for the MSA2012sa */
52
53 /* These ASCQ's defined for ASC = POWER_OR_RESET */
54#define POWER_ON_RESET 0x00
55#define POWER_ON_REBOOT 0x01
56#define SCSI_BUS_RESET 0x02
57#define MSA_TARGET_RESET 0x03
58#define CONTROLLER_FAILOVER 0x04
59#define TRANSCEIVER_SE 0x05
60#define TRANSCEIVER_LVD 0x06
61
62 /* These ASCQ's defined for ASC = STATE_CHANGED */
63#define RESERVATION_PREEMPTED 0x03
64#define ASYM_ACCESS_CHANGED 0x06
65#define LUN_CAPACITY_CHANGED 0x09
66
67/* transfer direction */
68#define XFER_NONE 0x00
69#define XFER_WRITE 0x01
70#define XFER_READ 0x02
71#define XFER_RSVD 0x03
72
73/* task attribute */
74#define ATTR_UNTAGGED 0x00
75#define ATTR_SIMPLE 0x04
76#define ATTR_HEADOFQUEUE 0x05
77#define ATTR_ORDERED 0x06
78#define ATTR_ACA 0x07
79
80/* cdb type */
81#define TYPE_CMD 0x00
82#define TYPE_MSG 0x01
83
84/* config space register offsets */
85#define CFG_VENDORID 0x00
86#define CFG_DEVICEID 0x02
87#define CFG_I2OBAR 0x10
88#define CFG_MEM1BAR 0x14
89
90/* i2o space register offsets */
91#define I2O_IBDB_SET 0x20
92#define I2O_IBDB_CLEAR 0x70
93#define I2O_INT_STATUS 0x30
94#define I2O_INT_MASK 0x34
95#define I2O_IBPOST_Q 0x40
96#define I2O_OBPOST_Q 0x44
97#define I2O_DMA1_CFG 0x214
98
99/* Configuration Table */
100#define CFGTBL_ChangeReq 0x00000001l
101#define CFGTBL_AccCmds 0x00000001l
102
103#define CFGTBL_Trans_Simple 0x00000002l
104
105#define CFGTBL_BusType_Ultra2 0x00000001l
106#define CFGTBL_BusType_Ultra3 0x00000002l
107#define CFGTBL_BusType_Fibre1G 0x00000100l
108#define CFGTBL_BusType_Fibre2G 0x00000200l
109struct vals32 {
110 __u32 lower;
111 __u32 upper;
112};
113
114union u64bit {
115 struct vals32 val32;
116 __u64 val;
117};
118
119/* FIXME this is a per controller value (barf!) */
120#define HPSA_MAX_TARGETS_PER_CTLR 16
121#define HPSA_MAX_LUN 256
122#define HPSA_MAX_PHYS_LUN 1024
123
124/* SCSI-3 Commands */
125#pragma pack(1)
126
127#define HPSA_INQUIRY 0x12
128struct InquiryData {
129 __u8 data_byte[36];
130};
131
132#define HPSA_REPORT_LOG 0xc2 /* Report Logical LUNs */
133#define HPSA_REPORT_PHYS 0xc3 /* Report Physical LUNs */
134struct ReportLUNdata {
135 __u8 LUNListLength[4];
136 __u32 reserved;
137 __u8 LUN[HPSA_MAX_LUN][8];
138};
139
140struct ReportExtendedLUNdata {
141 __u8 LUNListLength[4];
142 __u8 extended_response_flag;
143 __u8 reserved[3];
144 __u8 LUN[HPSA_MAX_LUN][24];
145};
146
147struct SenseSubsystem_info {
148 __u8 reserved[36];
149 __u8 portname[8];
150 __u8 reserved1[1108];
151};
152
153#define HPSA_READ_CAPACITY 0x25 /* Read Capacity */
154struct ReadCapdata {
155 __u8 total_size[4]; /* Total size in blocks */
156 __u8 block_size[4]; /* Size of blocks in bytes */
157};
158
159#if 0
160/* 12 byte commands not implemented in firmware yet. */
161#define HPSA_READ 0xa8
162#define HPSA_WRITE 0xaa
163#endif
164
165#define HPSA_READ 0x28 /* Read(10) */
166#define HPSA_WRITE 0x2a /* Write(10) */
167
168/* BMIC commands */
169#define BMIC_READ 0x26
170#define BMIC_WRITE 0x27
171#define BMIC_CACHE_FLUSH 0xc2
172#define HPSA_CACHE_FLUSH 0x01 /* C2 was already being used by HPSA */
173
174/* Command List Structure */
175union SCSI3Addr {
176 struct {
177 __u8 Dev;
178 __u8 Bus:6;
179 __u8 Mode:2; /* b00 */
180 } PeripDev;
181 struct {
182 __u8 DevLSB;
183 __u8 DevMSB:6;
184 __u8 Mode:2; /* b01 */
185 } LogDev;
186 struct {
187 __u8 Dev:5;
188 __u8 Bus:3;
189 __u8 Targ:6;
190 __u8 Mode:2; /* b10 */
191 } LogUnit;
192};
193
194struct PhysDevAddr {
195 __u32 TargetId:24;
196 __u32 Bus:6;
197 __u32 Mode:2;
198 /* 2 level target device addr */
199 union SCSI3Addr Target[2];
200};
201
202struct LogDevAddr {
203 __u32 VolId:30;
204 __u32 Mode:2;
205 __u8 reserved[4];
206};
207
208union LUNAddr {
209 __u8 LunAddrBytes[8];
210 union SCSI3Addr SCSI3Lun[4];
211 struct PhysDevAddr PhysDev;
212 struct LogDevAddr LogDev;
213};
214
215struct CommandListHeader {
216 __u8 ReplyQueue;
217 __u8 SGList;
218 __u16 SGTotal;
219 struct vals32 Tag;
220 union LUNAddr LUN;
221};
222
223struct RequestBlock {
224 __u8 CDBLen;
225 struct {
226 __u8 Type:3;
227 __u8 Attribute:3;
228 __u8 Direction:2;
229 } Type;
230 __u16 Timeout;
231 __u8 CDB[16];
232};
233
234struct ErrDescriptor {
235 struct vals32 Addr;
236 __u32 Len;
237};
238
239struct SGDescriptor {
240 struct vals32 Addr;
241 __u32 Len;
242 __u32 Ext;
243};
244
245union MoreErrInfo {
246 struct {
247 __u8 Reserved[3];
248 __u8 Type;
249 __u32 ErrorInfo;
250 } Common_Info;
251 struct {
252 __u8 Reserved[2];
253 __u8 offense_size; /* size of offending entry */
254 __u8 offense_num; /* byte # of offense 0-base */
255 __u32 offense_value;
256 } Invalid_Cmd;
257};
258struct ErrorInfo {
259 __u8 ScsiStatus;
260 __u8 SenseLen;
261 __u16 CommandStatus;
262 __u32 ResidualCnt;
263 union MoreErrInfo MoreErrInfo;
264 __u8 SenseInfo[SENSEINFOBYTES];
265};
266/* Command types */
267#define CMD_IOCTL_PEND 0x01
268#define CMD_SCSI 0x03
269
270struct ctlr_info; /* defined in hpsa.h */
271/* The size of this structure needs to be divisible by 8
272 * od on all architectures, because the controller uses 2
273 * lower bits of the address, and the driver uses 1 lower
274 * bit (3 bits total.)
275 */
276struct CommandList {
277 struct CommandListHeader Header;
278 struct RequestBlock Request;
279 struct ErrDescriptor ErrDesc;
280 struct SGDescriptor SG[MAXSGENTRIES];
281 /* information associated with the command */
282 __u32 busaddr; /* physical addr of this record */
283 struct ErrorInfo *err_info; /* pointer to the allocated mem */
284 struct ctlr_info *h;
285 int cmd_type;
286 long cmdindex;
287 struct hlist_node list;
288 struct CommandList *prev;
289 struct CommandList *next;
290 struct request *rq;
291 struct completion *waiting;
292 int retry_count;
293 void *scsi_cmd;
294};
295
296/* Configuration Table Structure */
297struct HostWrite {
298 __u32 TransportRequest;
299 __u32 Reserved;
300 __u32 CoalIntDelay;
301 __u32 CoalIntCount;
302};
303
304struct CfgTable {
305 __u8 Signature[4];
306 __u32 SpecValence;
307 __u32 TransportSupport;
308 __u32 TransportActive;
309 struct HostWrite HostWrite;
310 __u32 CmdsOutMax;
311 __u32 BusTypes;
312 __u32 Reserved;
313 __u8 ServerName[16];
314 __u32 HeartBeat;
315 __u32 SCSI_Prefetch;
316};
317
318struct hpsa_pci_info {
319 unsigned char bus;
320 unsigned char dev_fn;
321 unsigned short domain;
322 __u32 board_id;
323};
324
325#pragma pack()
326#endif /* HPSA_CMD_H */