1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/* $OpenBSD: mpivar.h,v 1.24 2008/11/01 18:42:26 marco Exp $ */
/*
* Copyright (c) 2005 David Gwynne <dlg@openbsd.org>
* Copyright (c) 2005 Marco Peereboom <marco@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* #define MPI_DEBUG */
#ifdef MPI_DEBUG
extern uint32_t mpi_debug;
#define DPRINTF(x...) do { if (mpi_debug) printf(x); } while(0)
#define DNPRINTF(n,x...) do { if (mpi_debug & (n)) printf(x); } while(0)
#define MPI_D_CMD 0x0001
#define MPI_D_INTR 0x0002
#define MPI_D_MISC 0x0004
#define MPI_D_DMA 0x0008
#define MPI_D_IOCTL 0x0010
#define MPI_D_RW 0x0020
#define MPI_D_MEM 0x0040
#define MPI_D_CCB 0x0080
#define MPI_D_PPR 0x0100
#define MPI_D_RAID 0x0200
#define MPI_D_EVT 0x0400
#else
#define DPRINTF(x...)
#define DNPRINTF(n,x...)
#endif
#define MPI_REQUEST_SIZE 512
#define MPI_REPLY_SIZE 128
#define MPI_REPLY_COUNT (PAGE_SIZE / MPI_REPLY_SIZE)
/*
* this is the max number of sge's we can stuff in a request frame:
* sizeof(scsi_io) + sizeof(sense) + sizeof(sge) * 32 = MPI_REQUEST_SIZE
*/
#define MPI_MAX_SGL 36
struct mpi_dmamem {
bus_dmamap_t mdm_map;
bus_dma_segment_t mdm_seg;
size_t mdm_size;
caddr_t mdm_kva;
};
#define MPI_DMA_MAP(_mdm) ((_mdm)->mdm_map)
#define MPI_DMA_DVA(_mdm) ((_mdm)->mdm_map->dm_segs[0].ds_addr)
#define MPI_DMA_KVA(_mdm) ((void *)(_mdm)->mdm_kva)
struct mpi_ccb_bundle {
struct mpi_msg_scsi_io mcb_io; /* sgl must follow */
struct mpi_sge mcb_sgl[MPI_MAX_SGL];
struct scsi_sense_data mcb_sense;
} __packed;
struct mpi_softc;
struct mpi_rcb {
void *rcb_reply;
u_int32_t rcb_reply_dva;
};
struct mpi_ccb {
struct mpi_softc *ccb_sc;
int ccb_id;
struct scsi_xfer *ccb_xs;
bus_dmamap_t ccb_dmamap;
bus_addr_t ccb_offset;
void *ccb_cmd;
bus_addr_t ccb_cmd_dva;
volatile enum {
MPI_CCB_FREE,
MPI_CCB_READY,
MPI_CCB_QUEUED
} ccb_state;
void (*ccb_done)(struct mpi_ccb *);
struct mpi_rcb *ccb_rcb;
TAILQ_ENTRY(mpi_ccb) ccb_link;
};
TAILQ_HEAD(mpi_ccb_list, mpi_ccb);
struct mpi_softc {
struct device sc_dev;
struct scsi_link sc_link;
int sc_flags;
#define MPI_F_SPI (1<<0)
#define MPI_F_RAID (1<<1)
struct scsibus_softc *sc_scsibus;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_size_t sc_ios;
bus_dma_tag_t sc_dmat;
u_int8_t sc_porttype;
int sc_maxcmds;
int sc_maxchdepth;
int sc_first_sgl_len;
int sc_chain_len;
int sc_max_sgl_len;
int sc_buswidth;
int sc_target;
int sc_ioc_number;
struct mpi_dmamem *sc_requests;
struct mpi_ccb *sc_ccbs;
struct mpi_ccb_list sc_ccb_free;
struct mpi_dmamem *sc_replies;
struct mpi_rcb *sc_rcbs;
size_t sc_fw_len;
struct mpi_dmamem *sc_fw;
/* scsi ioctl from sd device */
int (*sc_ioctl)(struct device *, u_long, caddr_t);
struct rwlock sc_lock;
struct mpi_cfg_hdr sc_cfg_hdr;
struct mpi_cfg_ioc_pg2 *sc_vol_page;
struct mpi_cfg_raid_vol *sc_vol_list;
struct mpi_cfg_raid_vol_pg0 *sc_rpg0;
struct ksensor *sc_sensors;
struct ksensordev sc_sensordev;
};
int mpi_attach(struct mpi_softc *);
void mpi_detach(struct mpi_softc *);
int mpi_intr(void *);
|
