/* $OpenBSD: gdtvar.h,v 1.22 2013/03/04 00:41:54 dlg Exp $ */ /* * Copyright (c) 1999, 2000 Niklas Hallqvist. 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 ``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 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. */ /* * This driver would not have written if it was not for the hardware donations * from both ICP-Vortex and Öko.neT. I want to thank them for their support. */ #define DEVNAME(s) ((s)->sc_dev.dv_xname) #define GDT_CMD_RESERVE 4 /* Internal driver cmd reserve. */ #define GDT_SCRATCH_SZ 4096 #ifdef _KERNEL /* Debugging */ /* #define GDT_DEBUG GDT_D_IOCTL | GDT_D_INFO */ #ifdef GDT_DEBUG #define GDT_DPRINTF(mask, args) if (gdt_debug & (mask)) printf args #define GDT_D_INTR 0x01 #define GDT_D_MISC 0x02 #define GDT_D_CMD 0x04 #define GDT_D_QUEUE 0x08 #define GDT_D_IO 0x10 #define GDT_D_IOCTL 0x20 #define GDT_D_INFO 0x40 extern int gdt_debug; #else #define GDT_DPRINTF(mask, args) #endif /* Miscellaneous constants */ #define GDT_RETRIES 100000000 /* 100000 * 1us = 100s */ #define GDT_TIMEOUT 100000000 /* 100000 * 1us = 100s */ #define GDT_POLL_TIMEOUT 10000 /* 10000 * 1ms = 10s */ #define GDT_WATCH_TIMEOUT 10000 /* 10000 * 1ms = 10s */ /* Context structure for interrupt services */ struct gdt_intr_ctx { u_int32_t info, info2; u_int16_t cmd_status, service; u_int8_t istatus; }; /* * A command contol block, one for each corresponding command index of the * controller. */ struct gdt_ccb { TAILQ_ENTRY(gdt_ccb) gc_chain; struct scsi_xfer *gc_xs; struct gdt_ucmd *gc_ucmd; bus_dmamap_t gc_dmamap_xfer; int gc_timeout; u_int32_t gc_info; u_int32_t gc_blockno; u_int32_t gc_blockcnt; u_int16_t gc_status; u_int8_t gc_service; u_int8_t gc_cmd_index; u_int8_t gc_flags; #define GDT_GCF_CMD_MASK 0x3 #define GDT_GCF_UNUSED 0 #define GDT_GCF_INTERNAL 1 #define GDT_GCF_SCREEN 2 #define GDT_GCF_SCSI 3 #define GDT_GCF_WATCHDOG 0x4 }; static inline int gdt_ccb_set_cmd(struct gdt_ccb *, int); static inline int gdt_ccb_set_cmd(struct gdt_ccb *ccb, int flag) { int rv = ccb->gc_flags & GDT_GCF_CMD_MASK; ccb->gc_flags &= ~GDT_GCF_CMD_MASK; ccb->gc_flags |= flag; return (rv); } struct gdt_softc { struct device sc_dev; void *sc_ih; struct scsi_link sc_link; /* Virtual SCSI bus for cache devs */ int sc_class; /* Controller class */ #define GDT_ISA 0x01 #define GDT_EISA 0x02 #define GDT_PCI 0x03 #define GDT_PCINEW 0x04 #define GDT_MPR 0x05 #define GDT_CLASS_MASK 0x07 #define GDT_FC 0x10 #define GDT_CLASS(gdt) ((gdt)->sc_class & GDT_CLASS_MASK) bus_space_tag_t sc_dpmemt; bus_space_handle_t sc_dpmemh; bus_addr_t sc_dpmembase; bus_dma_tag_t sc_dmat; /* XXX These could go into a class-dependent opaque struct instead */ bus_space_tag_t sc_iot; bus_space_handle_t sc_ioh; bus_addr_t sc_iobase; u_int16_t sc_ic_all_size; struct gdt_ccb sc_ccbs[GDT_MAXCMDS]; TAILQ_HEAD(, gdt_ccb) sc_free_ccb, sc_ccbq; TAILQ_HEAD(, gdt_ucmd) sc_ucmdq; struct scsi_xfer_list sc_queue; struct mutex sc_ccb_mtx; struct scsi_iopool sc_iopool; int sc_ndevs; u_int16_t sc_cmd_len; u_int16_t sc_cmd_off; u_int16_t sc_cmd_cnt; u_int8_t sc_cmd[GDT_CMD_SZ]; u_int32_t sc_info; u_int32_t sc_info2; bus_dma_segment_t sc_scratch_seg; caddr_t sc_scratch; u_int16_t sc_status; u_int8_t sc_bus_cnt; u_int8_t sc_bus_id[GDT_MAXBUS]; u_int8_t sc_more_proc; u_int32_t sc_total_disks; struct { u_int8_t hd_present; u_int8_t hd_is_logdrv; u_int8_t hd_is_arraydrv; u_int8_t hd_is_master; u_int8_t hd_is_parity; u_int8_t hd_is_hotfix; u_int8_t hd_master_no; u_int8_t hd_lock; u_int8_t hd_heads; u_int8_t hd_secs; u_int16_t hd_devtype; u_int32_t hd_size; u_int8_t hd_ldr_no; u_int8_t hd_rw_attribs; u_int32_t hd_start_sec; } sc_hdr[GDT_MAX_HDRIVES]; struct { u_int8_t ra_lock; /* chan locked? (hot plug */ u_int8_t ra_phys_cnt; /* physical disk count */ u_int8_t ra_local_no; /* local channel number */ u_int8_t ra_io_cnt[GDT_MAXID]; /* current IO count */ u_int32_t ra_address; /* channel address */ u_int32_t ra_id_list[GDT_MAXID]; /* IDs of phys disks */ } sc_raw[GDT_MAXBUS]; /* SCSI channels */ struct { u_int32_t cp_version; u_int16_t cp_state; u_int16_t cp_strategy; u_int16_t cp_write_back; u_int16_t cp_block_size; } sc_cpar; struct { u_int32_t bi_ser_no; /* serial number */ u_int8_t bi_oem_id[2]; /* u_int8_t OEM ID */ u_int16_t bi_ep_flags; /* eprom flags */ u_int32_t bi_proc_id; /* processor ID */ u_int32_t bi_memsize; /* memory size (bytes) */ u_int8_t bi_mem_banks; /* memory banks */ u_int8_t bi_chan_type; /* channel type */ u_int8_t bi_chan_count; /* channel count */ u_int8_t bi_rdongle_pres; /* dongle present */ u_int32_t bi_epr_fw_ver; /* (eprom) firmware ver */ u_int32_t bi_upd_fw_ver; /* (update) firmware ver */ u_int32_t bi_upd_revision; /* update revision */ char bi_type_string[16]; /* char controller name */ char bi_raid_string[16]; /* char RAID firmware name */ u_int8_t bi_update_pres; /* update present? */ u_int8_t bi_xor_pres; /* XOR engine present */ u_int8_t bi_prom_type; /* ROM type (eprom/flash) */ u_int8_t bi_prom_count; /* number of ROM devices */ u_int32_t bi_dup_pres; /* duplexing module pres? */ u_int32_t bi_chan_pres; /* # of exp. channels */ u_int32_t bi_mem_pres; /* memory expansion inst? */ u_int8_t bi_ft_bus_system; /* fault bus supported? */ u_int8_t bi_subtype_valid; /* board_subtype valid */ u_int8_t bi_board_subtype; /* subtype/hardware level */ u_int8_t bi_rampar_pres; /* RAM parity check hw? */ } sc_binfo; struct { u_int8_t bf_chaining; /* chaining supported */ u_int8_t bf_striping; /* striping (RAID-0) supported */ u_int8_t bf_mirroring; /* mirroring (RAID-1) supported */ u_int8_t bf_raid; /* RAID-4/5/10 supported */ } sc_bfeat; u_int16_t sc_raw_feat; u_int16_t sc_cache_feat; void (*sc_copy_cmd)(struct gdt_softc *, struct gdt_ccb *); u_int8_t (*sc_get_status)(struct gdt_softc *); void (*sc_intr)(struct gdt_softc *, struct gdt_intr_ctx *); void (*sc_release_event)(struct gdt_softc *, struct gdt_ccb *); void (*sc_set_sema0)(struct gdt_softc *); int (*sc_test_busy)(struct gdt_softc *); }; void gdtminphys(struct buf *, struct scsi_link *); int gdt_attach(struct gdt_softc *); int gdt_intr(void *); /* These all require correctly aligned buffers */ static inline void gdt_enc16(u_int8_t *, u_int16_t); static inline void gdt_enc32(u_int8_t *, u_int32_t); static inline u_int8_t gdt_dec8(u_int8_t *); static inline u_int16_t gdt_dec16(u_int8_t *); static inline u_int32_t gdt_dec32(u_int8_t *); static inline void gdt_enc16(u_int8_t *addr, u_int16_t value) { *(u_int16_t *)addr = htole16(value); } static inline void gdt_enc32(u_int8_t *addr, u_int32_t value) { *(u_int32_t *)addr = htole32(value); } static inline u_int8_t gdt_dec8(u_int8_t *addr) { return *(u_int8_t *)addr; } static inline u_int16_t gdt_dec16(u_int8_t *addr) { return letoh16(*(u_int16_t *)addr); } static inline u_int32_t gdt_dec32(u_int8_t *addr) { return letoh32(*(u_int32_t *)addr); } extern u_int8_t gdt_polling; #endif