1 /*        $NetBSD: cissvar.h,v 1.11 2020/07/15 14:33:58 jdolecek Exp $          */
2 /*        $OpenBSD: cissvar.h,v 1.15 2013/05/30 16:15:02 deraadt Exp $          */
3 
4 /*
5  * Copyright (c) 2005,2006 Michael Shalayeff
6  * All rights reserved.
7  *
8  * Permission to use, copy, modify, and distribute this software for any
9  * purpose with or without fee is hereby granted, provided that the above
10  * copyright notice and this permission notice appear in all copies.
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
17  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
18  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19  */
20 
21 #include <sys/mutex.h>
22 #include <sys/condvar.h>
23 
24 #include <dev/sysmon/sysmonvar.h>
25 #include <sys/envsys.h>
26 
27 #include "opt_ciss.h"
28 
29 struct ciss_ld {
30           struct ciss_blink bling;      /* a copy of blink state */
31           char      xname[16];                    /* copy of the sdN name */
32           int       ndrives;
33           u_int8_t tgts[1];
34 };
35 
36 struct ciss_softc {
37           /* Generic device info. */
38           device_t            sc_dev;
39           kmutex_t            sc_mutex;
40           kmutex_t            sc_mutex_scratch;
41           bus_space_handle_t  sc_ioh;
42           bus_space_tag_t               sc_iot;
43           bus_dma_tag_t                 sc_dmat;
44           void                          *sc_ih;
45           void                          *sc_sh;             /* shutdown hook */
46           struct proc                   *sc_thread;
47           int                           sc_flush;
48 
49           struct scsipi_channel         sc_channel;
50           struct scsipi_adapter         sc_adapter;
51           struct callout                sc_hb;
52 
53           u_int     sc_flags;
54           int ccblen, maxcmd, maxsg, nbus, ndrives, maxunits;
55           ciss_queue_head               sc_free_ccb;
56           kcondvar_t                    sc_condvar;
57 
58           bus_dmamap_t                  cmdmap;
59           bus_dma_segment_t   cmdseg[1];
60           void *                        ccbs;
61           void                          *scratch;
62           u_int                         sc_waitflag;
63 
64           bus_space_handle_t  cfg_ioh;
65 
66           struct ciss_perf_config       perfcfg;
67           bus_dmamap_t                  replymap;
68           bus_dma_segment_t   replyseg[1];
69           uint64_t            *perf_reply;
70           int                           perf_rqidx, perf_cycle;
71 #define   CISS_IS_PERF(sc)    ((sc)->perf_reply != NULL)
72 
73           int fibrillation;
74           struct ciss_config cfg;
75 #define CISS_PERF_SUPPORTED(sc)         ((sc)->cfg.methods & CISS_METH_PERF)
76           int cfgoff;
77           u_int32_t iem;
78           u_int32_t heartbeat;
79           struct ciss_ld **sc_lds;
80 
81           /* scsi ioctl from sd device */
82           int                           (*sc_ioctl)(device_t, u_long, void *);
83 
84           struct sysmon_envsys    *sc_sme;
85           envsys_data_t                 *sc_sensor;
86 };
87 
88 struct ciss_rawsoftc {
89           struct ciss_softc *sc_softc;
90           u_int8_t  sc_channel;
91 };
92 
93 int       ciss_attach(struct ciss_softc *sc);
94 int       ciss_intr_simple_intx(void *v);
95 int       ciss_intr_perf_intx(void *v);
96 int       ciss_intr_perf_msi(void *v);
97