aic79xx_osm.h revision 107437
197883Sgibbs/* 297883Sgibbs * FreeBSD platform specific driver option settings, data structures, 397883Sgibbs * function declarations and includes. 497883Sgibbs * 597883Sgibbs * Copyright (c) 1994-2001 Justin T. Gibbs. 6102685Sgibbs * Copyright (c) 2001-2002 Adaptec Inc. 797883Sgibbs * All rights reserved. 897883Sgibbs * 997883Sgibbs * Redistribution and use in source and binary forms, with or without 1097883Sgibbs * modification, are permitted provided that the following conditions 1197883Sgibbs * are met: 1297883Sgibbs * 1. Redistributions of source code must retain the above copyright 1397883Sgibbs * notice, this list of conditions, and the following disclaimer, 1497883Sgibbs * without modification. 1597883Sgibbs * 2. The name of the author may not be used to endorse or promote products 1697883Sgibbs * derived from this software without specific prior written permission. 1797883Sgibbs * 1897883Sgibbs * Alternatively, this software may be distributed under the terms of the 1997883Sgibbs * GNU Public License ("GPL"). 2097883Sgibbs * 2197883Sgibbs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2297883Sgibbs * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2397883Sgibbs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2497883Sgibbs * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 2597883Sgibbs * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2697883Sgibbs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2797883Sgibbs * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2897883Sgibbs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2997883Sgibbs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3097883Sgibbs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3197883Sgibbs * SUCH DAMAGE. 3297883Sgibbs * 33107437Sscottl * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic79xx_osm.h#18 $ 3497883Sgibbs * 3597883Sgibbs * $FreeBSD: head/sys/dev/aic7xxx/aic79xx_osm.h 107437 2002-12-01 07:50:56Z scottl $ 3697883Sgibbs */ 3797883Sgibbs 3897883Sgibbs#ifndef _AIC79XX_FREEBSD_H_ 3997883Sgibbs#define _AIC79XX_FREEBSD_H_ 4097883Sgibbs 4197883Sgibbs#include <opt_aic79xx.h> /* for config options */ 4297883Sgibbs 4397883Sgibbs#include <sys/param.h> 4497883Sgibbs#include <sys/systm.h> 4597883Sgibbs#include <sys/bus.h> /* For device_t */ 46102685Sgibbs#if __FreeBSD_version >= 500000 47102685Sgibbs#include <sys/endian.h> 48102685Sgibbs#endif 4997883Sgibbs#include <sys/eventhandler.h> 5097883Sgibbs#include <sys/kernel.h> 5197883Sgibbs#include <sys/malloc.h> 5297883Sgibbs#include <sys/queue.h> 5397883Sgibbs 5497883Sgibbs#define AHD_PCI_CONFIG 1 5597883Sgibbs#include <machine/bus_memio.h> 5697883Sgibbs#include <machine/bus_pio.h> 5797883Sgibbs#include <machine/bus.h> 5897883Sgibbs#include <machine/endian.h> 5997883Sgibbs#include <machine/clock.h> 6097883Sgibbs#include <machine/resource.h> 6197883Sgibbs 6297883Sgibbs#include <sys/rman.h> 6397883Sgibbs 6497883Sgibbs#include <pci/pcireg.h> 6597883Sgibbs#include <pci/pcivar.h> 6697883Sgibbs 6797883Sgibbs#include <cam/cam.h> 6897883Sgibbs#include <cam/cam_ccb.h> 6997883Sgibbs#include <cam/cam_debug.h> 7097883Sgibbs#include <cam/cam_sim.h> 7197883Sgibbs#include <cam/cam_xpt_sim.h> 7297883Sgibbs 7397883Sgibbs#include <cam/scsi/scsi_all.h> 7497883Sgibbs#include <cam/scsi/scsi_message.h> 7597883Sgibbs#include <cam/scsi/scsi_iu.h> 7697883Sgibbs 7797883Sgibbs#ifdef CAM_NEW_TRAN_CODE 7897883Sgibbs#define AHD_NEW_TRAN_SETTINGS 7997883Sgibbs#endif /* CAM_NEW_TRAN_CODE */ 8097883Sgibbs 8197883Sgibbs/****************************** Platform Macros *******************************/ 8297883Sgibbs#define SIM_IS_SCSIBUS_B(ahd, sim) \ 8397883Sgibbs (0) 8497883Sgibbs#define SIM_CHANNEL(ahd, sim) \ 8597883Sgibbs ('A') 8697883Sgibbs#define SIM_SCSI_ID(ahd, sim) \ 8797883Sgibbs (ahd->our_id) 8897883Sgibbs#define SIM_PATH(ahd, sim) \ 8997883Sgibbs (ahd->platform_data->path) 9097883Sgibbs#define BUILD_SCSIID(ahd, sim, target_id, our_id) \ 9197883Sgibbs ((((target_id) << TID_SHIFT) & TID) | (our_id)) 9297883Sgibbs 9397883Sgibbs 9497883Sgibbs#define SCB_GET_SIM(ahd, scb) \ 9597883Sgibbs ((ahd)->platform_data->sim) 9697883Sgibbs 9797883Sgibbs#ifndef offsetof 9897883Sgibbs#define offsetof(type, member) ((size_t)(&((type *)0)->member)) 9997883Sgibbs#endif 10097883Sgibbs/************************* Forward Declarations *******************************/ 10197883Sgibbstypedef device_t ahd_dev_softc_t; 10297883Sgibbstypedef union ccb *ahd_io_ctx_t; 10397883Sgibbs 10497883Sgibbs/***************************** Bus Space/DMA **********************************/ 10597883Sgibbs#define ahd_dma_tag_create(ahd, parent_tag, alignment, boundary, \ 10697883Sgibbs lowaddr, highaddr, filter, filterarg, \ 10797883Sgibbs maxsize, nsegments, maxsegsz, flags, \ 10897883Sgibbs dma_tagp) \ 10997883Sgibbs bus_dma_tag_create(parent_tag, alignment, boundary, \ 11097883Sgibbs lowaddr, highaddr, filter, filterarg, \ 11197883Sgibbs maxsize, nsegments, maxsegsz, flags, \ 11297883Sgibbs dma_tagp) 11397883Sgibbs 11497883Sgibbs#define ahd_dma_tag_destroy(ahd, tag) \ 11597883Sgibbs bus_dma_tag_destroy(tag) 11697883Sgibbs 11797883Sgibbs#define ahd_dmamem_alloc(ahd, dmat, vaddr, flags, mapp) \ 11897883Sgibbs bus_dmamem_alloc(dmat, vaddr, flags, mapp) 11997883Sgibbs 12097883Sgibbs#define ahd_dmamem_free(ahd, dmat, vaddr, map) \ 12197883Sgibbs bus_dmamem_free(dmat, vaddr, map) 12297883Sgibbs 12397883Sgibbs#define ahd_dmamap_create(ahd, tag, flags, mapp) \ 12497883Sgibbs bus_dmamap_create(tag, flags, mapp) 12597883Sgibbs 12697883Sgibbs#define ahd_dmamap_destroy(ahd, tag, map) \ 12797883Sgibbs bus_dmamap_destroy(tag, map) 12897883Sgibbs 12997883Sgibbs#define ahd_dmamap_load(ahd, dmat, map, addr, buflen, callback, \ 13097883Sgibbs callback_arg, flags) \ 13197883Sgibbs bus_dmamap_load(dmat, map, addr, buflen, callback, callback_arg, flags) 13297883Sgibbs 13397883Sgibbs#define ahd_dmamap_unload(ahd, tag, map) \ 13497883Sgibbs bus_dmamap_unload(tag, map) 13597883Sgibbs 13697883Sgibbs/* XXX Need to update Bus DMA for partial map syncs */ 13797883Sgibbs#define ahd_dmamap_sync(ahd, dma_tag, dmamap, offset, len, op) \ 13897883Sgibbs bus_dmamap_sync(dma_tag, dmamap, op) 13997883Sgibbs 14097883Sgibbs/************************ Tunable Driver Parameters **************************/ 14197883Sgibbs/* 14297883Sgibbs * The number of dma segments supported. The sequencer can handle any number 14397883Sgibbs * of physically contiguous S/G entrys. To reduce the driver's memory 14497883Sgibbs * consumption, we limit the number supported to be sufficient to handle 14597883Sgibbs * the largest mapping supported by the kernel, MAXPHYS. Assuming the 14697883Sgibbs * transfer is as fragmented as possible and unaligned, this turns out to 14797883Sgibbs * be the number of paged sized transfers in MAXPHYS plus an extra element 14897883Sgibbs * to handle any unaligned residual. The sequencer fetches SG elements 14997883Sgibbs * in cacheline sized chucks, so make the number per-transaction an even 15097883Sgibbs * multiple of 16 which should align us on even the largest of cacheline 15197883Sgibbs * boundaries. 15297883Sgibbs */ 15397883Sgibbs#define AHD_NSEG (roundup(btoc(MAXPHYS) + 1, 16)) 15497883Sgibbs 15597883Sgibbs/* This driver supports target mode */ 15697883Sgibbs#if NOT_YET 15797883Sgibbs#define AHD_TARGET_MODE 1 15897883Sgibbs#endif 15997883Sgibbs 16097883Sgibbs/************************** Softc/SCB Platform Data ***************************/ 16197883Sgibbsstruct ahd_platform_data { 16297883Sgibbs /* 16397883Sgibbs * Hooks into the XPT. 16497883Sgibbs */ 16597883Sgibbs struct cam_sim *sim; 16697883Sgibbs struct cam_sim *sim_b; 16797883Sgibbs struct cam_path *path; 16897883Sgibbs struct cam_path *path_b; 16997883Sgibbs 17097883Sgibbs int regs_res_type[2]; 17197883Sgibbs int regs_res_id[2]; 17297883Sgibbs int irq_res_type; 17397883Sgibbs struct resource *regs[2]; 17497883Sgibbs struct resource *irq; 17597883Sgibbs void *ih; 17697883Sgibbs eventhandler_tag eh; 17797883Sgibbs}; 17897883Sgibbs 17997883Sgibbsstruct scb_platform_data { 18097883Sgibbs}; 18197883Sgibbs 18297883Sgibbs/********************************* Byte Order *********************************/ 183102685Sgibbs#if __FreeBSD_version >= 500000 184102685Sgibbs#define ahd_htobe16(x) htobe16(x) 185102685Sgibbs#define ahd_htobe32(x) htobe32(x) 186102685Sgibbs#define ahd_htobe64(x) htobe64(x) 187102685Sgibbs#define ahd_htole16(x) htole16(x) 188102685Sgibbs#define ahd_htole32(x) htole32(x) 189102685Sgibbs#define ahd_htole64(x) htole64(x) 19097883Sgibbs 191102685Sgibbs#define ahd_be16toh(x) be16toh(x) 192102685Sgibbs#define ahd_be32toh(x) be32toh(x) 193102685Sgibbs#define ahd_be64toh(x) be64toh(x) 194102685Sgibbs#define ahd_le16toh(x) le16toh(x) 195102685Sgibbs#define ahd_le32toh(x) le32toh(x) 196102685Sgibbs#define ahd_le64toh(x) le64toh(x) 197102685Sgibbs#else 198102685Sgibbs#define ahd_htobe16(x) (x) 199102685Sgibbs#define ahd_htobe32(x) (x) 200102685Sgibbs#define ahd_htobe64(x) (x) 201102685Sgibbs#define ahd_htole16(x) (x) 202102685Sgibbs#define ahd_htole32(x) (x) 203102685Sgibbs#define ahd_htole64(x) (x) 20497883Sgibbs 205102685Sgibbs#define ahd_be16toh(x) (x) 206102685Sgibbs#define ahd_be32toh(x) (x) 207102685Sgibbs#define ahd_be64toh(x) (x) 208102685Sgibbs#define ahd_le16toh(x) (x) 209102685Sgibbs#define ahd_le32toh(x) (x) 210102685Sgibbs#define ahd_le64toh(x) (x) 211102685Sgibbs#endif 212102685Sgibbs 21397883Sgibbs/************************** Timer DataStructures ******************************/ 21497883Sgibbstypedef struct callout ahd_timer_t; 21597883Sgibbs 21697883Sgibbs/***************************** Core Includes **********************************/ 217102685Sgibbs#if AHD_REG_PRETTY_PRINT 218102685Sgibbs#define AIC_DEBUG_REGISTERS 1 219102685Sgibbs#else 220102685Sgibbs#define AIC_DEBUG_REGISTERS 0 221102685Sgibbs#endif 22297883Sgibbs#include <dev/aic7xxx/aic79xx.h> 22397883Sgibbs 22497883Sgibbs/***************************** Timer Facilities *******************************/ 225107437Sscottltimeout_t ahd_timeout; 22697937Sgibbs#if __FreeBSD_version >= 500000 22797937Sgibbs#define ahd_timer_init(timer) callout_init(timer, /*mpsafe*/0) 22897937Sgibbs#else 22997883Sgibbs#define ahd_timer_init callout_init 23097937Sgibbs#endif 23197883Sgibbs#define ahd_timer_stop callout_stop 23297883Sgibbs 23397883Sgibbsstatic __inline void 234107437Sscottlahd_timer_reset(ahd_timer_t *timer, u_int usec, ahd_callback_t *func, void *arg) 23597883Sgibbs{ 23697883Sgibbs callout_reset(timer, (usec * hz)/1000000, func, arg); 23797883Sgibbs} 23897883Sgibbs 239107437Sscottlstatic __inline void 240107437Sscottlahd_scb_timer_reset(struct scb *scb, u_int usec) 241107437Sscottl{ 242107437Sscottl callout_reset(scb->io_ctx->ccb_h.timeout_ch.callout, 243107437Sscottl (usec * hz)/1000000, ahd_timeout, scb); 244107437Sscottl} 245107437Sscottl 24697883Sgibbs/*************************** Device Access ************************************/ 24797883Sgibbs#define ahd_inb(ahd, port) \ 24897883Sgibbs bus_space_read_1((ahd)->tags[(port) >> 8], \ 24997883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF) 25097883Sgibbs 25197883Sgibbs#define ahd_outb(ahd, port, value) \ 25297883Sgibbs bus_space_write_1((ahd)->tags[(port) >> 8], \ 25397883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF, value) 25497883Sgibbs 25597883Sgibbs#define ahd_inw_atomic(ahd, port) \ 25697883Sgibbs ahd_le16toh(bus_space_read_2((ahd)->tags[(port) >> 8], \ 25797883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF)) 25897883Sgibbs 25997883Sgibbs#define ahd_outw_atomic(ahd, port, value) \ 26097883Sgibbs bus_space_write_2((ahd)->tags[(port) >> 8], \ 26197883Sgibbs (ahd)->bshs[(port) >> 8], \ 26297883Sgibbs (port & 0xFF), ahd_htole16(value)) 26397883Sgibbs 26497883Sgibbs#define ahd_outsb(ahd, port, valp, count) \ 26597883Sgibbs bus_space_write_multi_1((ahd)->tags[(port) >> 8], \ 26697883Sgibbs (ahd)->bshs[(port) >> 8], \ 26797883Sgibbs (port & 0xFF), valp, count) 26897883Sgibbs 26997883Sgibbs#define ahd_insb(ahd, port, valp, count) \ 27097883Sgibbs bus_space_read_multi_1((ahd)->tags[(port) >> 8], \ 27197883Sgibbs (ahd)->bshs[(port) >> 8], \ 27297883Sgibbs (port & 0xFF), valp, count) 27397883Sgibbs 27497883Sgibbsstatic __inline void ahd_flush_device_writes(struct ahd_softc *); 27597883Sgibbs 27697883Sgibbsstatic __inline void 27797883Sgibbsahd_flush_device_writes(struct ahd_softc *ahd) 27897883Sgibbs{ 27997883Sgibbs /* XXX Is this sufficient for all architectures??? */ 28097883Sgibbs ahd_inb(ahd, INTSTAT); 28197883Sgibbs} 28297883Sgibbs 28397883Sgibbs/**************************** Locking Primitives ******************************/ 28497883Sgibbs/* Lock protecting internal data structures */ 28597883Sgibbsstatic __inline void ahd_lockinit(struct ahd_softc *); 28697883Sgibbsstatic __inline void ahd_lock(struct ahd_softc *, unsigned long *flags); 28797883Sgibbsstatic __inline void ahd_unlock(struct ahd_softc *, unsigned long *flags); 28897883Sgibbs 28997883Sgibbs/* Lock held during command compeletion to the upper layer */ 29097883Sgibbsstatic __inline void ahd_done_lockinit(struct ahd_softc *); 29197883Sgibbsstatic __inline void ahd_done_lock(struct ahd_softc *, unsigned long *flags); 29297883Sgibbsstatic __inline void ahd_done_unlock(struct ahd_softc *, unsigned long *flags); 29397883Sgibbs 294102685Sgibbs/* Lock held during ahd_list manipulation and ahd softc frees */ 29597883Sgibbsstatic __inline void ahd_list_lockinit(void); 29697883Sgibbsstatic __inline void ahd_list_lock(unsigned long *flags); 29797883Sgibbsstatic __inline void ahd_list_unlock(unsigned long *flags); 29897883Sgibbs 29997883Sgibbsstatic __inline void 30097883Sgibbsahd_lockinit(struct ahd_softc *ahd) 30197883Sgibbs{ 30297883Sgibbs} 30397883Sgibbs 30497883Sgibbsstatic __inline void 30597883Sgibbsahd_lock(struct ahd_softc *ahd, unsigned long *flags) 30697883Sgibbs{ 30797883Sgibbs *flags = splcam(); 30897883Sgibbs} 30997883Sgibbs 31097883Sgibbsstatic __inline void 31197883Sgibbsahd_unlock(struct ahd_softc *ahd, unsigned long *flags) 31297883Sgibbs{ 31397883Sgibbs splx(*flags); 31497883Sgibbs} 31597883Sgibbs 31697883Sgibbs/* Lock held during command compeletion to the upper layer */ 31797883Sgibbsstatic __inline void 31897883Sgibbsahd_done_lockinit(struct ahd_softc *ahd) 31997883Sgibbs{ 32097883Sgibbs} 32197883Sgibbs 32297883Sgibbsstatic __inline void 32397883Sgibbsahd_done_lock(struct ahd_softc *ahd, unsigned long *flags) 32497883Sgibbs{ 32597883Sgibbs} 32697883Sgibbs 32797883Sgibbsstatic __inline void 32897883Sgibbsahd_done_unlock(struct ahd_softc *ahd, unsigned long *flags) 32997883Sgibbs{ 33097883Sgibbs} 33197883Sgibbs 332102685Sgibbs/* Lock held during ahd_list manipulation and ahd softc frees */ 33397883Sgibbsstatic __inline void 33497883Sgibbsahd_list_lockinit() 33597883Sgibbs{ 33697883Sgibbs} 33797883Sgibbs 33897883Sgibbsstatic __inline void 33997883Sgibbsahd_list_lock(unsigned long *flags) 34097883Sgibbs{ 34197883Sgibbs} 34297883Sgibbs 34397883Sgibbsstatic __inline void 34497883Sgibbsahd_list_unlock(unsigned long *flags) 34597883Sgibbs{ 34697883Sgibbs} 34797883Sgibbs/****************************** OS Primitives *********************************/ 34897883Sgibbs#define ahd_delay DELAY 34997883Sgibbs 35097883Sgibbs/************************** Transaction Operations ****************************/ 35197883Sgibbsstatic __inline void ahd_set_transaction_status(struct scb *, uint32_t); 35297883Sgibbsstatic __inline void ahd_set_scsi_status(struct scb *, uint32_t); 35397883Sgibbsstatic __inline uint32_t ahd_get_transaction_status(struct scb *); 35497883Sgibbsstatic __inline uint32_t ahd_get_scsi_status(struct scb *); 35597883Sgibbsstatic __inline void ahd_set_transaction_tag(struct scb *, int, u_int); 35697883Sgibbsstatic __inline u_long ahd_get_transfer_length(struct scb *); 35797883Sgibbsstatic __inline int ahd_get_transfer_dir(struct scb *); 35897883Sgibbsstatic __inline void ahd_set_residual(struct scb *, u_long); 35997883Sgibbsstatic __inline void ahd_set_sense_residual(struct scb *, u_long); 36097883Sgibbsstatic __inline u_long ahd_get_residual(struct scb *); 36197883Sgibbsstatic __inline int ahd_perform_autosense(struct scb *); 36297883Sgibbsstatic __inline uint32_t ahd_get_sense_bufsize(struct ahd_softc*, struct scb*); 36397883Sgibbsstatic __inline void ahd_freeze_simq(struct ahd_softc *); 36497883Sgibbsstatic __inline void ahd_release_simq(struct ahd_softc *); 36597883Sgibbsstatic __inline void ahd_freeze_ccb(union ccb *ccb); 36697883Sgibbsstatic __inline void ahd_freeze_scb(struct scb *scb); 36797883Sgibbsstatic __inline void ahd_platform_freeze_devq(struct ahd_softc *, struct scb *); 36897883Sgibbsstatic __inline int ahd_platform_abort_scbs(struct ahd_softc *ahd, int target, 36997883Sgibbs char channel, int lun, u_int tag, 37097883Sgibbs role_t role, uint32_t status); 37197883Sgibbs 37297883Sgibbsstatic __inline 37397883Sgibbsvoid ahd_set_transaction_status(struct scb *scb, uint32_t status) 37497883Sgibbs{ 37597883Sgibbs scb->io_ctx->ccb_h.status &= ~CAM_STATUS_MASK; 37697883Sgibbs scb->io_ctx->ccb_h.status |= status; 37797883Sgibbs} 37897883Sgibbs 37997883Sgibbsstatic __inline 38097883Sgibbsvoid ahd_set_scsi_status(struct scb *scb, uint32_t status) 38197883Sgibbs{ 38297883Sgibbs scb->io_ctx->csio.scsi_status = status; 38397883Sgibbs} 38497883Sgibbs 38597883Sgibbsstatic __inline 38697883Sgibbsuint32_t ahd_get_transaction_status(struct scb *scb) 38797883Sgibbs{ 38897883Sgibbs return (scb->io_ctx->ccb_h.status & CAM_STATUS_MASK); 38997883Sgibbs} 39097883Sgibbs 39197883Sgibbsstatic __inline 39297883Sgibbsuint32_t ahd_get_scsi_status(struct scb *scb) 39397883Sgibbs{ 39497883Sgibbs return (scb->io_ctx->csio.scsi_status); 39597883Sgibbs} 39697883Sgibbs 39797883Sgibbsstatic __inline 39897883Sgibbsvoid ahd_set_transaction_tag(struct scb *scb, int enabled, u_int type) 39997883Sgibbs{ 40097883Sgibbs scb->io_ctx->csio.tag_action = type; 40197883Sgibbs if (enabled) 40297883Sgibbs scb->io_ctx->ccb_h.flags |= CAM_TAG_ACTION_VALID; 40397883Sgibbs else 40497883Sgibbs scb->io_ctx->ccb_h.flags &= ~CAM_TAG_ACTION_VALID; 40597883Sgibbs} 40697883Sgibbs 40797883Sgibbsstatic __inline 40897883Sgibbsu_long ahd_get_transfer_length(struct scb *scb) 40997883Sgibbs{ 41097883Sgibbs return (scb->io_ctx->csio.dxfer_len); 41197883Sgibbs} 41297883Sgibbs 41397883Sgibbsstatic __inline 41497883Sgibbsint ahd_get_transfer_dir(struct scb *scb) 41597883Sgibbs{ 41697883Sgibbs return (scb->io_ctx->ccb_h.flags & CAM_DIR_MASK); 41797883Sgibbs} 41897883Sgibbs 41997883Sgibbsstatic __inline 42097883Sgibbsvoid ahd_set_residual(struct scb *scb, u_long resid) 42197883Sgibbs{ 42297883Sgibbs scb->io_ctx->csio.resid = resid; 42397883Sgibbs} 42497883Sgibbs 42597883Sgibbsstatic __inline 42697883Sgibbsvoid ahd_set_sense_residual(struct scb *scb, u_long resid) 42797883Sgibbs{ 42897883Sgibbs scb->io_ctx->csio.sense_resid = resid; 42997883Sgibbs} 43097883Sgibbs 43197883Sgibbsstatic __inline 43297883Sgibbsu_long ahd_get_residual(struct scb *scb) 43397883Sgibbs{ 43497883Sgibbs return (scb->io_ctx->csio.resid); 43597883Sgibbs} 43697883Sgibbs 43797883Sgibbsstatic __inline 43897883Sgibbsint ahd_perform_autosense(struct scb *scb) 43997883Sgibbs{ 44097883Sgibbs return (!(scb->io_ctx->ccb_h.flags & CAM_DIS_AUTOSENSE)); 44197883Sgibbs} 44297883Sgibbs 44397883Sgibbsstatic __inline uint32_t 44497883Sgibbsahd_get_sense_bufsize(struct ahd_softc *ahd, struct scb *scb) 44597883Sgibbs{ 44697883Sgibbs return (sizeof(struct scsi_sense_data)); 44797883Sgibbs} 44897883Sgibbs 44997883Sgibbsstatic __inline void 45097883Sgibbsahd_freeze_simq(struct ahd_softc *ahd) 45197883Sgibbs{ 45297883Sgibbs xpt_freeze_simq(ahd->platform_data->sim, /*count*/1); 45397883Sgibbs} 45497883Sgibbs 45597883Sgibbsstatic __inline void 45697883Sgibbsahd_release_simq(struct ahd_softc *ahd) 45797883Sgibbs{ 45897883Sgibbs xpt_release_simq(ahd->platform_data->sim, /*run queue*/TRUE); 45997883Sgibbs} 46097883Sgibbs 46197883Sgibbsstatic __inline void 46297883Sgibbsahd_freeze_ccb(union ccb *ccb) 46397883Sgibbs{ 46497883Sgibbs if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 46597883Sgibbs ccb->ccb_h.status |= CAM_DEV_QFRZN; 46697883Sgibbs xpt_freeze_devq(ccb->ccb_h.path, /*count*/1); 46797883Sgibbs } 46897883Sgibbs} 46997883Sgibbs 47097883Sgibbsstatic __inline void 47197883Sgibbsahd_freeze_scb(struct scb *scb) 47297883Sgibbs{ 47397883Sgibbs ahd_freeze_ccb(scb->io_ctx); 47497883Sgibbs} 47597883Sgibbs 47697883Sgibbsstatic __inline void 47797883Sgibbsahd_platform_freeze_devq(struct ahd_softc *ahd, struct scb *scb) 47897883Sgibbs{ 47997883Sgibbs /* Nothing to do here for FreeBSD */ 48097883Sgibbs} 48197883Sgibbs 48297883Sgibbsstatic __inline int 48397883Sgibbsahd_platform_abort_scbs(struct ahd_softc *ahd, int target, 48497883Sgibbs char channel, int lun, u_int tag, 48597883Sgibbs role_t role, uint32_t status) 48697883Sgibbs{ 48797883Sgibbs /* Nothing to do here for FreeBSD */ 48897883Sgibbs return (0); 48997883Sgibbs} 49097883Sgibbs 49197883Sgibbsstatic __inline void 49297883Sgibbsahd_platform_scb_free(struct ahd_softc *ahd, struct scb *scb) 49397883Sgibbs{ 49497883Sgibbs /* What do we do to generically handle driver resource shortages??? */ 49597883Sgibbs if ((ahd->flags & AHD_RESOURCE_SHORTAGE) != 0 49697883Sgibbs && scb->io_ctx != NULL 49797883Sgibbs && (scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 49897883Sgibbs scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 49997883Sgibbs ahd->flags &= ~AHD_RESOURCE_SHORTAGE; 50097883Sgibbs } 50197883Sgibbs scb->io_ctx = NULL; 50297883Sgibbs} 50397883Sgibbs 50497883Sgibbs/********************************** PCI ***************************************/ 50597883Sgibbs#ifdef AHD_PCI_CONFIG 50697883Sgibbsstatic __inline uint32_t ahd_pci_read_config(ahd_dev_softc_t pci, 50797883Sgibbs int reg, int width); 50897883Sgibbsstatic __inline void ahd_pci_write_config(ahd_dev_softc_t pci, 50997883Sgibbs int reg, uint32_t value, 51097883Sgibbs int width); 51197883Sgibbsstatic __inline int ahd_get_pci_function(ahd_dev_softc_t); 51297883Sgibbsstatic __inline int ahd_get_pci_slot(ahd_dev_softc_t); 51397883Sgibbsstatic __inline int ahd_get_pci_bus(ahd_dev_softc_t); 51497883Sgibbs 51597883Sgibbsint ahd_pci_map_registers(struct ahd_softc *ahd); 51697883Sgibbsint ahd_pci_map_int(struct ahd_softc *ahd); 51797883Sgibbs 51897883Sgibbsstatic __inline uint32_t 51997883Sgibbsahd_pci_read_config(ahd_dev_softc_t pci, int reg, int width) 52097883Sgibbs{ 52197883Sgibbs return (pci_read_config(pci, reg, width)); 52297883Sgibbs} 52397883Sgibbs 52497883Sgibbsstatic __inline void 52597883Sgibbsahd_pci_write_config(ahd_dev_softc_t pci, int reg, uint32_t value, int width) 52697883Sgibbs{ 52797883Sgibbs pci_write_config(pci, reg, value, width); 52897883Sgibbs} 52997883Sgibbs 53097883Sgibbsstatic __inline int 53197883Sgibbsahd_get_pci_function(ahd_dev_softc_t pci) 53297883Sgibbs{ 53397883Sgibbs return (pci_get_function(pci)); 53497883Sgibbs} 53597883Sgibbs 53697883Sgibbsstatic __inline int 53797883Sgibbsahd_get_pci_slot(ahd_dev_softc_t pci) 53897883Sgibbs{ 53997883Sgibbs return (pci_get_slot(pci)); 54097883Sgibbs} 54197883Sgibbs 54297883Sgibbsstatic __inline int 54397883Sgibbsahd_get_pci_bus(ahd_dev_softc_t pci) 54497883Sgibbs{ 54597883Sgibbs return (pci_get_bus(pci)); 54697883Sgibbs} 54797883Sgibbs 54897883Sgibbstypedef enum 54997883Sgibbs{ 55097883Sgibbs AHD_POWER_STATE_D0, 55197883Sgibbs AHD_POWER_STATE_D1, 55297883Sgibbs AHD_POWER_STATE_D2, 55397883Sgibbs AHD_POWER_STATE_D3 55497883Sgibbs} ahd_power_state; 55597883Sgibbs 55697883Sgibbsvoid ahd_power_state_change(struct ahd_softc *ahd, 55797883Sgibbs ahd_power_state new_state); 55897883Sgibbs#endif 55997883Sgibbs/******************************** VL/EISA *************************************/ 56097883Sgibbsint aic7770_map_registers(struct ahd_softc *ahd); 56197883Sgibbsint aic7770_map_int(struct ahd_softc *ahd, int irq); 56297883Sgibbs 56397883Sgibbs/********************************* Debug **************************************/ 56497883Sgibbsstatic __inline void ahd_print_path(struct ahd_softc *, struct scb *); 56597883Sgibbsstatic __inline void ahd_platform_dump_card_state(struct ahd_softc *ahd); 56697883Sgibbs 56797883Sgibbsstatic __inline void 56897883Sgibbsahd_print_path(struct ahd_softc *ahd, struct scb *scb) 56997883Sgibbs{ 57097883Sgibbs xpt_print_path(scb->io_ctx->ccb_h.path); 57197883Sgibbs} 57297883Sgibbs 57397883Sgibbsstatic __inline void 57497883Sgibbsahd_platform_dump_card_state(struct ahd_softc *ahd) 57597883Sgibbs{ 57697883Sgibbs /* Nothing to do here for FreeBSD */ 57797883Sgibbs} 57897883Sgibbs/**************************** Transfer Settings *******************************/ 57997883Sgibbsvoid ahd_notify_xfer_settings_change(struct ahd_softc *, 58097883Sgibbs struct ahd_devinfo *); 58197883Sgibbsvoid ahd_platform_set_tags(struct ahd_softc *, struct ahd_devinfo *, 58297883Sgibbs int /*enable*/); 58397883Sgibbs 58497883Sgibbs/************************* Initialization/Teardown ****************************/ 58597883Sgibbsint ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg); 58697883Sgibbsvoid ahd_platform_free(struct ahd_softc *ahd); 58797883Sgibbsint ahd_map_int(struct ahd_softc *ahd); 58897883Sgibbsint ahd_attach(struct ahd_softc *); 58997883Sgibbsint ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd); 59097883Sgibbsint ahd_detach(device_t); 591107437Sscottl#define ahd_platform_init(arg) 59297883Sgibbs 593107437Sscottl 59497883Sgibbs/****************************** Interrupts ************************************/ 59597883Sgibbsvoid ahd_platform_intr(void *); 59697883Sgibbsstatic __inline void ahd_platform_flushwork(struct ahd_softc *ahd); 59797883Sgibbsstatic __inline void 59897883Sgibbsahd_platform_flushwork(struct ahd_softc *ahd) 59997883Sgibbs{ 60097883Sgibbs} 60197883Sgibbs 60297883Sgibbs/************************ Misc Function Declarations **************************/ 60397883Sgibbsvoid ahd_done(struct ahd_softc *ahd, struct scb *scb); 60497883Sgibbsvoid ahd_send_async(struct ahd_softc *, char /*channel*/, 60597883Sgibbs u_int /*target*/, u_int /*lun*/, ac_code, void *arg); 60697883Sgibbs#endif /* _AIC79XX_FREEBSD_H_ */ 607