/* $NetBSD: mlxvar.h,v 1.15 2012/10/27 17:18:22 chs 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; device_t ms_dv; }; /* Optional per-CCB context. */ struct mlx_ccb; struct mlx_context { void (*mx_handler)(struct mlx_ccb *); void *mx_context; device_t 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 { device_t 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_ */