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NetBSD/sys/dev/ic/mlxvar.h

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/* $NetBSD: mlxvar.h,v 1.14 2008/04/28 20:23:50 martin Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*-
* Copyright (c) 1999 Michael Smith
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from FreeBSD: mlxvar.h,v 1.5.2.2 2000/04/24 19:40:50 msmith Exp
*/
#ifndef _IC_MLXVAR_H_
#define _IC_MLXVAR_H_
/* Older boards allow up to 17 segments and 64kB transfers. */
#define MLX_MAX_SEGS 17
#define MLX_MAX_XFER 65536
#define MLX_SGL_SIZE (sizeof(struct mlx_sgentry) * MLX_MAX_SEGS)
/* This shouldn't be ajusted lightly... */
#define MLX_MAX_DRIVES 32
/* Maximum queue depth, matching the older controllers. */
#define MLX_MAX_QUEUECNT 63
/* Number of CCBs to reserve for control operations. */
#define MLX_NCCBS_CONTROL 7
/* Structure describing a system drive as attached to the controller. */
struct mlx_sysdrive {
u_int32_t ms_size;
u_short ms_state;
u_short ms_raidlevel;
struct device *ms_dv;
};
/* Optional per-CCB context. */
struct mlx_ccb;
struct mlx_context {
void (*mx_handler)(struct mlx_ccb *);
void *mx_context;
struct device *mx_dv;
};
/* Command control block. */
struct mlx_ccb {
union {
SIMPLEQ_ENTRY(mlx_ccb) simpleq;
SLIST_ENTRY(mlx_ccb) slist;
TAILQ_ENTRY(mlx_ccb) tailq;
} mc_chain;
u_int mc_flags;
u_int mc_status;
u_int mc_ident;
time_t mc_expiry;
u_int mc_nsgent;
u_int mc_xfer_size;
bus_addr_t mc_xfer_phys;
bus_dmamap_t mc_xfer_map;
struct mlx_context mc_mx;
u_int8_t mc_mbox[16];
};
#define MC_XFER_IN MU_XFER_IN /* Map describes inbound xfer */
#define MC_XFER_OUT MU_XFER_OUT /* Map describes outbound xfer */
#define MC_WAITING 0x0400 /* We have waiters */
#define MC_CONTROL 0x0800 /* Control operation */
/*
* Per-controller state.
*/
struct mlx_softc {
struct device mlx_dv;
bus_space_tag_t mlx_iot;
bus_space_handle_t mlx_ioh;
bus_dma_tag_t mlx_dmat;
bus_dmamap_t mlx_dmamap;
void *mlx_ih;
SLIST_HEAD(, mlx_ccb) mlx_ccb_freelist;
TAILQ_HEAD(, mlx_ccb) mlx_ccb_worklist;
SIMPLEQ_HEAD(, mlx_ccb) mlx_ccb_queue;
struct mlx_ccb *mlx_ccbs;
int mlx_nccbs;
int mlx_nccbs_ctrl;
void * mlx_sgls;
bus_addr_t mlx_sgls_paddr;
int (*mlx_submit)(struct mlx_softc *, struct mlx_ccb *);
int (*mlx_findcomplete)(struct mlx_softc *, u_int *, u_int *);
void (*mlx_intaction)(struct mlx_softc *, int);
int (*mlx_fw_handshake)(struct mlx_softc *, int *, int *, int *);
int (*mlx_reset)(struct mlx_softc *);
int mlx_max_queuecnt;
struct mlx_cinfo mlx_ci;
time_t mlx_lastpoll;
u_int mlx_lastevent;
u_int mlx_currevent;
u_int mlx_bg;
struct mlx_rebuild_status mlx_rebuildstat;
struct mlx_pause mlx_pause;
int mlx_flags;
struct mlx_sysdrive mlx_sysdrive[MLX_MAX_DRIVES];
int mlx_numsysdrives;
};
#define MLX_BG_CHECK 1 /* we started a check */
#define MLX_BG_REBUILD 2 /* we started a rebuild */
#define MLX_BG_SPONTANEOUS 3 /* it just happened somehow */
#define MLXF_SPINUP_REPORTED 0x0001 /* "spinning up drives" displayed */
#define MLXF_EVENTLOG_BUSY 0x0002 /* currently reading event log */
#define MLXF_FW_INITTED 0x0004 /* firmware init crap done */
#define MLXF_PAUSEWORKS 0x0008 /* channel pause works as expected */
#define MLXF_OPEN 0x0010 /* control device is open */
#define MLXF_INITOK 0x0020 /* controller initialised OK */
#define MLXF_PERIODIC_CTLR 0x0040 /* periodic check running */
#define MLXF_PERIODIC_DRIVE 0x0080 /* periodic check running */
#define MLXF_PERIODIC_REBUILD 0x0100 /* periodic check running */
#define MLXF_RESCANNING 0x0400 /* rescanning drive table */
struct mlx_attach_args {
int mlxa_unit;
};
int mlx_flush(struct mlx_softc *, int);
void mlx_init(struct mlx_softc *, const char *);
int mlx_intr(void *);
int mlx_ccb_alloc(struct mlx_softc *, struct mlx_ccb **, int);
const char *mlx_ccb_diagnose(struct mlx_ccb *);
void mlx_ccb_enqueue(struct mlx_softc *, struct mlx_ccb *);
void mlx_ccb_free(struct mlx_softc *, struct mlx_ccb *);
int mlx_ccb_map(struct mlx_softc *, struct mlx_ccb *, void *, int, int);
int mlx_ccb_poll(struct mlx_softc *, struct mlx_ccb *, int);
void mlx_ccb_unmap(struct mlx_softc *, struct mlx_ccb *);
int mlx_ccb_wait(struct mlx_softc *, struct mlx_ccb *);
static __inline void mlx_make_type1(struct mlx_ccb *, u_int8_t, u_int16_t,
u_int32_t, u_int8_t, u_int32_t,
u_int8_t);
static __inline void mlx_make_type2(struct mlx_ccb *, u_int8_t, u_int8_t,
u_int8_t, u_int8_t, u_int8_t,
u_int8_t, u_int8_t, u_int32_t,
u_int8_t);
static __inline void mlx_make_type3(struct mlx_ccb *, u_int8_t, u_int8_t,
u_int8_t, u_int16_t, u_int8_t,
u_int8_t, u_int32_t, u_int8_t);
static __inline void mlx_make_type4(struct mlx_ccb *, u_int8_t, u_int16_t,
u_int32_t, u_int32_t, u_int8_t);
static __inline void mlx_make_type5(struct mlx_ccb *, u_int8_t, u_int8_t,
u_int8_t, u_int32_t, u_int32_t,
u_int8_t);
static __inline u_int8_t mlx_inb(struct mlx_softc *, int);
static __inline u_int16_t mlx_inw(struct mlx_softc *, int);
static __inline u_int32_t mlx_inl(struct mlx_softc *, int);
static __inline void mlx_outb(struct mlx_softc *, int, u_int8_t);
static __inline void mlx_outw(struct mlx_softc *, int, u_int16_t);
static __inline void mlx_outl(struct mlx_softc *, int, u_int32_t);
static __inline void
mlx_make_type1(struct mlx_ccb *mc, u_int8_t code, u_int16_t f1, u_int32_t f2,
u_int8_t f3, u_int32_t f4, u_int8_t f5)
{
mc->mc_mbox[0x0] = code;
mc->mc_mbox[0x2] = f1;
mc->mc_mbox[0x3] = ((f2 >> 18) & 0xc0) | ((f1 >> 8) & 0x3f);
mc->mc_mbox[0x4] = f2;
mc->mc_mbox[0x5] = (f2 >> 8);
mc->mc_mbox[0x6] = (f2 >> 16);
mc->mc_mbox[0x7] = f3;
mc->mc_mbox[0x8] = f4;
mc->mc_mbox[0x9] = (f4 >> 8);
mc->mc_mbox[0xa] = (f4 >> 16);
mc->mc_mbox[0xb] = (f4 >> 24);
mc->mc_mbox[0xc] = f5;
}
static __inline void
mlx_make_type2(struct mlx_ccb *mc, u_int8_t code, u_int8_t f1, u_int8_t f2,
u_int8_t f3, u_int8_t f4, u_int8_t f5, u_int8_t f6,
u_int32_t f7, u_int8_t f8)
{
mc->mc_mbox[0x0] = code;
mc->mc_mbox[0x2] = f1;
mc->mc_mbox[0x3] = f2;
mc->mc_mbox[0x4] = f3;
mc->mc_mbox[0x5] = f4;
mc->mc_mbox[0x6] = f5;
mc->mc_mbox[0x7] = f6;
mc->mc_mbox[0x8] = f7;
mc->mc_mbox[0x9] = (f7 >> 8);
mc->mc_mbox[0xa] = (f7 >> 16);
mc->mc_mbox[0xb] = (f7 >> 24);
mc->mc_mbox[0xc] = f8;
}
static __inline void
mlx_make_type3(struct mlx_ccb *mc, u_int8_t code, u_int8_t f1, u_int8_t f2,
u_int16_t f3, u_int8_t f4, u_int8_t f5, u_int32_t f6,
u_int8_t f7)
{
mc->mc_mbox[0x0] = code;
mc->mc_mbox[0x2] = f1;
mc->mc_mbox[0x3] = f2;
mc->mc_mbox[0x4] = f3;
mc->mc_mbox[0x5] = (f3 >> 8);
mc->mc_mbox[0x6] = f4;
mc->mc_mbox[0x7] = f5;
mc->mc_mbox[0x8] = f6;
mc->mc_mbox[0x9] = (f6 >> 8);
mc->mc_mbox[0xa] = (f6 >> 16);
mc->mc_mbox[0xb] = (f6 >> 24);
mc->mc_mbox[0xc] = f7;
}
static __inline void
mlx_make_type4(struct mlx_ccb *mc, u_int8_t code, u_int16_t f1, u_int32_t f2,
u_int32_t f3, u_int8_t f4)
{
mc->mc_mbox[0x0] = code;
mc->mc_mbox[0x2] = f1;
mc->mc_mbox[0x3] = (f1 >> 8);
mc->mc_mbox[0x4] = f2;
mc->mc_mbox[0x5] = (f2 >> 8);
mc->mc_mbox[0x6] = (f2 >> 16);
mc->mc_mbox[0x7] = (f2 >> 24);
mc->mc_mbox[0x8] = f3;
mc->mc_mbox[0x9] = (f3 >> 8);
mc->mc_mbox[0xa] = (f3 >> 16);
mc->mc_mbox[0xb] = (f3 >> 24);
mc->mc_mbox[0xc] = f4;
}
static __inline void
mlx_make_type5(struct mlx_ccb *mc, u_int8_t code, u_int8_t f1, u_int8_t f2,
u_int32_t f3, u_int32_t f4, u_int8_t f5)
{
mc->mc_mbox[0x0] = code;
mc->mc_mbox[0x2] = f1;
mc->mc_mbox[0x3] = f2;
mc->mc_mbox[0x4] = f3;
mc->mc_mbox[0x5] = (f3 >> 8);
mc->mc_mbox[0x6] = (f3 >> 16);
mc->mc_mbox[0x7] = (f3 >> 24);
mc->mc_mbox[0x8] = f4;
mc->mc_mbox[0x9] = (f4 >> 8);
mc->mc_mbox[0xa] = (f4 >> 16);
mc->mc_mbox[0xb] = (f4 >> 24);
mc->mc_mbox[0xc] = f5;
}
static __inline u_int8_t
mlx_inb(struct mlx_softc *mlx, int off)
{
bus_space_barrier(mlx->mlx_iot, mlx->mlx_ioh, off, 1,
BUS_SPACE_BARRIER_WRITE | BUS_SPACE_BARRIER_READ);
return (bus_space_read_1(mlx->mlx_iot, mlx->mlx_ioh, off));
}
static __inline u_int16_t
mlx_inw(struct mlx_softc *mlx, int off)
{
bus_space_barrier(mlx->mlx_iot, mlx->mlx_ioh, off, 2,
BUS_SPACE_BARRIER_WRITE | BUS_SPACE_BARRIER_READ);
return (bus_space_read_2(mlx->mlx_iot, mlx->mlx_ioh, off));
}
static __inline u_int32_t
mlx_inl(struct mlx_softc *mlx, int off)
{
bus_space_barrier(mlx->mlx_iot, mlx->mlx_ioh, off, 4,
BUS_SPACE_BARRIER_WRITE | BUS_SPACE_BARRIER_READ);
return (bus_space_read_4(mlx->mlx_iot, mlx->mlx_ioh, off));
}
static __inline void
mlx_outb(struct mlx_softc *mlx, int off, u_int8_t val)
{
bus_space_write_1(mlx->mlx_iot, mlx->mlx_ioh, off, val);
bus_space_barrier(mlx->mlx_iot, mlx->mlx_ioh, off, 1,
BUS_SPACE_BARRIER_WRITE);
}
static __inline void
mlx_outw(struct mlx_softc *mlx, int off, u_int16_t val)
{
bus_space_write_2(mlx->mlx_iot, mlx->mlx_ioh, off, val);
bus_space_barrier(mlx->mlx_iot, mlx->mlx_ioh, off, 2,
BUS_SPACE_BARRIER_WRITE);
}
static __inline void
mlx_outl(struct mlx_softc *mlx, int off, u_int32_t val)
{
bus_space_write_4(mlx->mlx_iot, mlx->mlx_ioh, off, val);
bus_space_barrier(mlx->mlx_iot, mlx->mlx_ioh, off, 4,
BUS_SPACE_BARRIER_WRITE);
}
#endif /* !_IC_MLXVAR_H_ */
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