aic79xx_osm.h revision 97883
197883Sgibbs/* 297883Sgibbs * FreeBSD platform specific driver option settings, data structures, 397883Sgibbs * function declarations and includes. 497883Sgibbs * 597883Sgibbs * Copyright (c) 1994-2001 Justin T. Gibbs. 697883Sgibbs * All rights reserved. 797883Sgibbs * 897883Sgibbs * Redistribution and use in source and binary forms, with or without 997883Sgibbs * modification, are permitted provided that the following conditions 1097883Sgibbs * are met: 1197883Sgibbs * 1. Redistributions of source code must retain the above copyright 1297883Sgibbs * notice, this list of conditions, and the following disclaimer, 1397883Sgibbs * without modification. 1497883Sgibbs * 2. The name of the author may not be used to endorse or promote products 1597883Sgibbs * derived from this software without specific prior written permission. 1697883Sgibbs * 1797883Sgibbs * Alternatively, this software may be distributed under the terms of the 1897883Sgibbs * GNU Public License ("GPL"). 1997883Sgibbs * 2097883Sgibbs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2197883Sgibbs * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2297883Sgibbs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2397883Sgibbs * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 2497883Sgibbs * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2597883Sgibbs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2697883Sgibbs * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2797883Sgibbs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2897883Sgibbs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2997883Sgibbs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3097883Sgibbs * SUCH DAMAGE. 3197883Sgibbs * 3297883Sgibbs * $Id$ 3397883Sgibbs * 3497883Sgibbs * $FreeBSD: head/sys/dev/aic7xxx/aic79xx_osm.h 97883 2002-06-05 19:52:45Z gibbs $ 3597883Sgibbs */ 3697883Sgibbs 3797883Sgibbs#ifndef _AIC79XX_FREEBSD_H_ 3897883Sgibbs#define _AIC79XX_FREEBSD_H_ 3997883Sgibbs 4097883Sgibbs#include <opt_aic79xx.h> /* for config options */ 4197883Sgibbs#ifndef NPCI 4297883Sgibbs#include <pci.h> 4397883Sgibbs#endif 4497883Sgibbs 4597883Sgibbs#include <sys/param.h> 4697883Sgibbs#include <sys/systm.h> 4797883Sgibbs#include <sys/bus.h> /* For device_t */ 4897883Sgibbs#include <sys/eventhandler.h> 4997883Sgibbs#include <sys/kernel.h> 5097883Sgibbs#include <sys/malloc.h> 5197883Sgibbs#include <sys/queue.h> 5297883Sgibbs 5397883Sgibbs#define AHD_PCI_CONFIG 1 5497883Sgibbs#include <machine/bus_memio.h> 5597883Sgibbs#include <machine/bus_pio.h> 5697883Sgibbs#include <machine/bus.h> 5797883Sgibbs#include <machine/endian.h> 5897883Sgibbs#include <machine/clock.h> 5997883Sgibbs#include <machine/resource.h> 6097883Sgibbs 6197883Sgibbs#include <sys/rman.h> 6297883Sgibbs 6397883Sgibbs#if NPCI > 0 6497883Sgibbs#include <pci/pcireg.h> 6597883Sgibbs#include <pci/pcivar.h> 6697883Sgibbs#endif 6797883Sgibbs 6897883Sgibbs#include <cam/cam.h> 6997883Sgibbs#include <cam/cam_ccb.h> 7097883Sgibbs#include <cam/cam_debug.h> 7197883Sgibbs#include <cam/cam_sim.h> 7297883Sgibbs#include <cam/cam_xpt_sim.h> 7397883Sgibbs 7497883Sgibbs#include <cam/scsi/scsi_all.h> 7597883Sgibbs#include <cam/scsi/scsi_message.h> 7697883Sgibbs#include <cam/scsi/scsi_iu.h> 7797883Sgibbs 7897883Sgibbs#ifdef CAM_NEW_TRAN_CODE 7997883Sgibbs#define AHD_NEW_TRAN_SETTINGS 8097883Sgibbs#endif /* CAM_NEW_TRAN_CODE */ 8197883Sgibbs 8297883Sgibbs/****************************** Platform Macros *******************************/ 8397883Sgibbs#define SIM_IS_SCSIBUS_B(ahd, sim) \ 8497883Sgibbs (0) 8597883Sgibbs#define SIM_CHANNEL(ahd, sim) \ 8697883Sgibbs ('A') 8797883Sgibbs#define SIM_SCSI_ID(ahd, sim) \ 8897883Sgibbs (ahd->our_id) 8997883Sgibbs#define SIM_PATH(ahd, sim) \ 9097883Sgibbs (ahd->platform_data->path) 9197883Sgibbs#define BUILD_SCSIID(ahd, sim, target_id, our_id) \ 9297883Sgibbs ((((target_id) << TID_SHIFT) & TID) | (our_id)) 9397883Sgibbs 9497883Sgibbs 9597883Sgibbs#define SCB_GET_SIM(ahd, scb) \ 9697883Sgibbs ((ahd)->platform_data->sim) 9797883Sgibbs 9897883Sgibbs#ifndef offsetof 9997883Sgibbs#define offsetof(type, member) ((size_t)(&((type *)0)->member)) 10097883Sgibbs#endif 10197883Sgibbs/************************* Forward Declarations *******************************/ 10297883Sgibbstypedef device_t ahd_dev_softc_t; 10397883Sgibbstypedef union ccb *ahd_io_ctx_t; 10497883Sgibbs 10597883Sgibbs/***************************** Bus Space/DMA **********************************/ 10697883Sgibbs#define ahd_dma_tag_create(ahd, parent_tag, alignment, boundary, \ 10797883Sgibbs lowaddr, highaddr, filter, filterarg, \ 10897883Sgibbs maxsize, nsegments, maxsegsz, flags, \ 10997883Sgibbs dma_tagp) \ 11097883Sgibbs bus_dma_tag_create(parent_tag, alignment, boundary, \ 11197883Sgibbs lowaddr, highaddr, filter, filterarg, \ 11297883Sgibbs maxsize, nsegments, maxsegsz, flags, \ 11397883Sgibbs dma_tagp) 11497883Sgibbs 11597883Sgibbs#define ahd_dma_tag_destroy(ahd, tag) \ 11697883Sgibbs bus_dma_tag_destroy(tag) 11797883Sgibbs 11897883Sgibbs#define ahd_dmamem_alloc(ahd, dmat, vaddr, flags, mapp) \ 11997883Sgibbs bus_dmamem_alloc(dmat, vaddr, flags, mapp) 12097883Sgibbs 12197883Sgibbs#define ahd_dmamem_free(ahd, dmat, vaddr, map) \ 12297883Sgibbs bus_dmamem_free(dmat, vaddr, map) 12397883Sgibbs 12497883Sgibbs#define ahd_dmamap_create(ahd, tag, flags, mapp) \ 12597883Sgibbs bus_dmamap_create(tag, flags, mapp) 12697883Sgibbs 12797883Sgibbs#define ahd_dmamap_destroy(ahd, tag, map) \ 12897883Sgibbs bus_dmamap_destroy(tag, map) 12997883Sgibbs 13097883Sgibbs#define ahd_dmamap_load(ahd, dmat, map, addr, buflen, callback, \ 13197883Sgibbs callback_arg, flags) \ 13297883Sgibbs bus_dmamap_load(dmat, map, addr, buflen, callback, callback_arg, flags) 13397883Sgibbs 13497883Sgibbs#define ahd_dmamap_unload(ahd, tag, map) \ 13597883Sgibbs bus_dmamap_unload(tag, map) 13697883Sgibbs 13797883Sgibbs/* XXX Need to update Bus DMA for partial map syncs */ 13897883Sgibbs#define ahd_dmamap_sync(ahd, dma_tag, dmamap, offset, len, op) \ 13997883Sgibbs bus_dmamap_sync(dma_tag, dmamap, op) 14097883Sgibbs 14197883Sgibbs/************************ Tunable Driver Parameters **************************/ 14297883Sgibbs/* 14397883Sgibbs * The number of dma segments supported. The sequencer can handle any number 14497883Sgibbs * of physically contiguous S/G entrys. To reduce the driver's memory 14597883Sgibbs * consumption, we limit the number supported to be sufficient to handle 14697883Sgibbs * the largest mapping supported by the kernel, MAXPHYS. Assuming the 14797883Sgibbs * transfer is as fragmented as possible and unaligned, this turns out to 14897883Sgibbs * be the number of paged sized transfers in MAXPHYS plus an extra element 14997883Sgibbs * to handle any unaligned residual. The sequencer fetches SG elements 15097883Sgibbs * in cacheline sized chucks, so make the number per-transaction an even 15197883Sgibbs * multiple of 16 which should align us on even the largest of cacheline 15297883Sgibbs * boundaries. 15397883Sgibbs */ 15497883Sgibbs#define AHD_NSEG (roundup(btoc(MAXPHYS) + 1, 16)) 15597883Sgibbs 15697883Sgibbs/* This driver supports target mode */ 15797883Sgibbs#if NOT_YET 15897883Sgibbs#define AHD_TARGET_MODE 1 15997883Sgibbs#endif 16097883Sgibbs 16197883Sgibbs/************************** Softc/SCB Platform Data ***************************/ 16297883Sgibbsstruct ahd_platform_data { 16397883Sgibbs /* 16497883Sgibbs * Hooks into the XPT. 16597883Sgibbs */ 16697883Sgibbs struct cam_sim *sim; 16797883Sgibbs struct cam_sim *sim_b; 16897883Sgibbs struct cam_path *path; 16997883Sgibbs struct cam_path *path_b; 17097883Sgibbs 17197883Sgibbs int regs_res_type[2]; 17297883Sgibbs int regs_res_id[2]; 17397883Sgibbs int irq_res_type; 17497883Sgibbs struct resource *regs[2]; 17597883Sgibbs struct resource *irq; 17697883Sgibbs void *ih; 17797883Sgibbs eventhandler_tag eh; 17897883Sgibbs}; 17997883Sgibbs 18097883Sgibbsstruct scb_platform_data { 18197883Sgibbs}; 18297883Sgibbs 18397883Sgibbs/********************************* Byte Order *********************************/ 18497883Sgibbs/* 18597883Sgibbs * XXX Waiting for FreeBSD byte swapping functions. 18697883Sgibbs * For now assume host is Little Endian. 18797883Sgibbs */ 18897883Sgibbs#define ahd_htobe16(x) x 18997883Sgibbs#define ahd_htobe32(x) x 19097883Sgibbs#define ahd_htobe64(x) x 19197883Sgibbs#define ahd_htole16(x) x 19297883Sgibbs#define ahd_htole32(x) x 19397883Sgibbs#define ahd_htole64(x) x 19497883Sgibbs 19597883Sgibbs#define ahd_be16toh(x) x 19697883Sgibbs#define ahd_be32toh(x) x 19797883Sgibbs#define ahd_be64toh(x) x 19897883Sgibbs#define ahd_le16toh(x) x 19997883Sgibbs#define ahd_le32toh(x) x 20097883Sgibbs#define ahd_le64toh(x) x 20197883Sgibbs 20297883Sgibbs/************************** Timer DataStructures ******************************/ 20397883Sgibbstypedef struct callout ahd_timer_t; 20497883Sgibbs 20597883Sgibbs/***************************** Core Includes **********************************/ 20697883Sgibbs#include <dev/aic7xxx/aic79xx.h> 20797883Sgibbs 20897883Sgibbs/***************************** Timer Facilities *******************************/ 20997883Sgibbs#define ahd_timer_init callout_init 21097883Sgibbs#define ahd_timer_stop callout_stop 21197883Sgibbs 21297883Sgibbsstatic __inline void 21397883Sgibbsahd_timer_reset(ahd_timer_t *timer, int usec, ahd_callback_t *func, void *arg) 21497883Sgibbs{ 21597883Sgibbs callout_reset(timer, (usec * hz)/1000000, func, arg); 21697883Sgibbs} 21797883Sgibbs 21897883Sgibbs/*************************** Device Access ************************************/ 21997883Sgibbs#define ahd_inb(ahd, port) \ 22097883Sgibbs bus_space_read_1((ahd)->tags[(port) >> 8], \ 22197883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF) 22297883Sgibbs 22397883Sgibbs#define ahd_outb(ahd, port, value) \ 22497883Sgibbs bus_space_write_1((ahd)->tags[(port) >> 8], \ 22597883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF, value) 22697883Sgibbs 22797883Sgibbs#define ahd_inw_atomic(ahd, port) \ 22897883Sgibbs ahd_le16toh(bus_space_read_2((ahd)->tags[(port) >> 8], \ 22997883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF)) 23097883Sgibbs 23197883Sgibbs#define ahd_outw_atomic(ahd, port, value) \ 23297883Sgibbs bus_space_write_2((ahd)->tags[(port) >> 8], \ 23397883Sgibbs (ahd)->bshs[(port) >> 8], \ 23497883Sgibbs (port & 0xFF), ahd_htole16(value)) 23597883Sgibbs 23697883Sgibbs#define ahd_outsb(ahd, port, valp, count) \ 23797883Sgibbs bus_space_write_multi_1((ahd)->tags[(port) >> 8], \ 23897883Sgibbs (ahd)->bshs[(port) >> 8], \ 23997883Sgibbs (port & 0xFF), valp, count) 24097883Sgibbs 24197883Sgibbs#define ahd_insb(ahd, port, valp, count) \ 24297883Sgibbs bus_space_read_multi_1((ahd)->tags[(port) >> 8], \ 24397883Sgibbs (ahd)->bshs[(port) >> 8], \ 24497883Sgibbs (port & 0xFF), valp, count) 24597883Sgibbs 24697883Sgibbsstatic __inline void ahd_flush_device_writes(struct ahd_softc *); 24797883Sgibbs 24897883Sgibbsstatic __inline void 24997883Sgibbsahd_flush_device_writes(struct ahd_softc *ahd) 25097883Sgibbs{ 25197883Sgibbs /* XXX Is this sufficient for all architectures??? */ 25297883Sgibbs ahd_inb(ahd, INTSTAT); 25397883Sgibbs} 25497883Sgibbs 25597883Sgibbs/**************************** Locking Primitives ******************************/ 25697883Sgibbs/* Lock protecting internal data structures */ 25797883Sgibbsstatic __inline void ahd_lockinit(struct ahd_softc *); 25897883Sgibbsstatic __inline void ahd_lock(struct ahd_softc *, unsigned long *flags); 25997883Sgibbsstatic __inline void ahd_unlock(struct ahd_softc *, unsigned long *flags); 26097883Sgibbs 26197883Sgibbs/* Lock held during command compeletion to the upper layer */ 26297883Sgibbsstatic __inline void ahd_done_lockinit(struct ahd_softc *); 26397883Sgibbsstatic __inline void ahd_done_lock(struct ahd_softc *, unsigned long *flags); 26497883Sgibbsstatic __inline void ahd_done_unlock(struct ahd_softc *, unsigned long *flags); 26597883Sgibbs 26697883Sgibbs/* Lock held during ahc_list manipulation and ahc softc frees */ 26797883Sgibbsstatic __inline void ahd_list_lockinit(void); 26897883Sgibbsstatic __inline void ahd_list_lock(unsigned long *flags); 26997883Sgibbsstatic __inline void ahd_list_unlock(unsigned long *flags); 27097883Sgibbs 27197883Sgibbsstatic __inline void 27297883Sgibbsahd_lockinit(struct ahd_softc *ahd) 27397883Sgibbs{ 27497883Sgibbs} 27597883Sgibbs 27697883Sgibbsstatic __inline void 27797883Sgibbsahd_lock(struct ahd_softc *ahd, unsigned long *flags) 27897883Sgibbs{ 27997883Sgibbs *flags = splcam(); 28097883Sgibbs} 28197883Sgibbs 28297883Sgibbsstatic __inline void 28397883Sgibbsahd_unlock(struct ahd_softc *ahd, unsigned long *flags) 28497883Sgibbs{ 28597883Sgibbs splx(*flags); 28697883Sgibbs} 28797883Sgibbs 28897883Sgibbs/* Lock held during command compeletion to the upper layer */ 28997883Sgibbsstatic __inline void 29097883Sgibbsahd_done_lockinit(struct ahd_softc *ahd) 29197883Sgibbs{ 29297883Sgibbs} 29397883Sgibbs 29497883Sgibbsstatic __inline void 29597883Sgibbsahd_done_lock(struct ahd_softc *ahd, unsigned long *flags) 29697883Sgibbs{ 29797883Sgibbs} 29897883Sgibbs 29997883Sgibbsstatic __inline void 30097883Sgibbsahd_done_unlock(struct ahd_softc *ahd, unsigned long *flags) 30197883Sgibbs{ 30297883Sgibbs} 30397883Sgibbs 30497883Sgibbs/* Lock held during ahc_list manipulation and ahc softc frees */ 30597883Sgibbsstatic __inline void 30697883Sgibbsahd_list_lockinit() 30797883Sgibbs{ 30897883Sgibbs} 30997883Sgibbs 31097883Sgibbsstatic __inline void 31197883Sgibbsahd_list_lock(unsigned long *flags) 31297883Sgibbs{ 31397883Sgibbs} 31497883Sgibbs 31597883Sgibbsstatic __inline void 31697883Sgibbsahd_list_unlock(unsigned long *flags) 31797883Sgibbs{ 31897883Sgibbs} 31997883Sgibbs/****************************** OS Primitives *********************************/ 32097883Sgibbs#define ahd_delay DELAY 32197883Sgibbs 32297883Sgibbs/************************** Transaction Operations ****************************/ 32397883Sgibbsstatic __inline void ahd_set_transaction_status(struct scb *, uint32_t); 32497883Sgibbsstatic __inline void ahd_set_scsi_status(struct scb *, uint32_t); 32597883Sgibbsstatic __inline uint32_t ahd_get_transaction_status(struct scb *); 32697883Sgibbsstatic __inline uint32_t ahd_get_scsi_status(struct scb *); 32797883Sgibbsstatic __inline void ahd_set_transaction_tag(struct scb *, int, u_int); 32897883Sgibbsstatic __inline u_long ahd_get_transfer_length(struct scb *); 32997883Sgibbsstatic __inline int ahd_get_transfer_dir(struct scb *); 33097883Sgibbsstatic __inline void ahd_set_residual(struct scb *, u_long); 33197883Sgibbsstatic __inline void ahd_set_sense_residual(struct scb *, u_long); 33297883Sgibbsstatic __inline u_long ahd_get_residual(struct scb *); 33397883Sgibbsstatic __inline int ahd_perform_autosense(struct scb *); 33497883Sgibbsstatic __inline uint32_t ahd_get_sense_bufsize(struct ahd_softc*, struct scb*); 33597883Sgibbsstatic __inline void ahd_freeze_simq(struct ahd_softc *); 33697883Sgibbsstatic __inline void ahd_release_simq(struct ahd_softc *); 33797883Sgibbsstatic __inline void ahd_freeze_ccb(union ccb *ccb); 33897883Sgibbsstatic __inline void ahd_freeze_scb(struct scb *scb); 33997883Sgibbsstatic __inline void ahd_platform_freeze_devq(struct ahd_softc *, struct scb *); 34097883Sgibbsstatic __inline int ahd_platform_abort_scbs(struct ahd_softc *ahd, int target, 34197883Sgibbs char channel, int lun, u_int tag, 34297883Sgibbs role_t role, uint32_t status); 34397883Sgibbs 34497883Sgibbsstatic __inline 34597883Sgibbsvoid ahd_set_transaction_status(struct scb *scb, uint32_t status) 34697883Sgibbs{ 34797883Sgibbs scb->io_ctx->ccb_h.status &= ~CAM_STATUS_MASK; 34897883Sgibbs scb->io_ctx->ccb_h.status |= status; 34997883Sgibbs} 35097883Sgibbs 35197883Sgibbsstatic __inline 35297883Sgibbsvoid ahd_set_scsi_status(struct scb *scb, uint32_t status) 35397883Sgibbs{ 35497883Sgibbs scb->io_ctx->csio.scsi_status = status; 35597883Sgibbs} 35697883Sgibbs 35797883Sgibbsstatic __inline 35897883Sgibbsuint32_t ahd_get_transaction_status(struct scb *scb) 35997883Sgibbs{ 36097883Sgibbs return (scb->io_ctx->ccb_h.status & CAM_STATUS_MASK); 36197883Sgibbs} 36297883Sgibbs 36397883Sgibbsstatic __inline 36497883Sgibbsuint32_t ahd_get_scsi_status(struct scb *scb) 36597883Sgibbs{ 36697883Sgibbs return (scb->io_ctx->csio.scsi_status); 36797883Sgibbs} 36897883Sgibbs 36997883Sgibbsstatic __inline 37097883Sgibbsvoid ahd_set_transaction_tag(struct scb *scb, int enabled, u_int type) 37197883Sgibbs{ 37297883Sgibbs scb->io_ctx->csio.tag_action = type; 37397883Sgibbs if (enabled) 37497883Sgibbs scb->io_ctx->ccb_h.flags |= CAM_TAG_ACTION_VALID; 37597883Sgibbs else 37697883Sgibbs scb->io_ctx->ccb_h.flags &= ~CAM_TAG_ACTION_VALID; 37797883Sgibbs} 37897883Sgibbs 37997883Sgibbsstatic __inline 38097883Sgibbsu_long ahd_get_transfer_length(struct scb *scb) 38197883Sgibbs{ 38297883Sgibbs return (scb->io_ctx->csio.dxfer_len); 38397883Sgibbs} 38497883Sgibbs 38597883Sgibbsstatic __inline 38697883Sgibbsint ahd_get_transfer_dir(struct scb *scb) 38797883Sgibbs{ 38897883Sgibbs return (scb->io_ctx->ccb_h.flags & CAM_DIR_MASK); 38997883Sgibbs} 39097883Sgibbs 39197883Sgibbsstatic __inline 39297883Sgibbsvoid ahd_set_residual(struct scb *scb, u_long resid) 39397883Sgibbs{ 39497883Sgibbs scb->io_ctx->csio.resid = resid; 39597883Sgibbs} 39697883Sgibbs 39797883Sgibbsstatic __inline 39897883Sgibbsvoid ahd_set_sense_residual(struct scb *scb, u_long resid) 39997883Sgibbs{ 40097883Sgibbs scb->io_ctx->csio.sense_resid = resid; 40197883Sgibbs} 40297883Sgibbs 40397883Sgibbsstatic __inline 40497883Sgibbsu_long ahd_get_residual(struct scb *scb) 40597883Sgibbs{ 40697883Sgibbs return (scb->io_ctx->csio.resid); 40797883Sgibbs} 40897883Sgibbs 40997883Sgibbsstatic __inline 41097883Sgibbsint ahd_perform_autosense(struct scb *scb) 41197883Sgibbs{ 41297883Sgibbs return (!(scb->io_ctx->ccb_h.flags & CAM_DIS_AUTOSENSE)); 41397883Sgibbs} 41497883Sgibbs 41597883Sgibbsstatic __inline uint32_t 41697883Sgibbsahd_get_sense_bufsize(struct ahd_softc *ahd, struct scb *scb) 41797883Sgibbs{ 41897883Sgibbs return (sizeof(struct scsi_sense_data)); 41997883Sgibbs} 42097883Sgibbs 42197883Sgibbsstatic __inline void 42297883Sgibbsahd_freeze_simq(struct ahd_softc *ahd) 42397883Sgibbs{ 42497883Sgibbs xpt_freeze_simq(ahd->platform_data->sim, /*count*/1); 42597883Sgibbs} 42697883Sgibbs 42797883Sgibbsstatic __inline void 42897883Sgibbsahd_release_simq(struct ahd_softc *ahd) 42997883Sgibbs{ 43097883Sgibbs xpt_release_simq(ahd->platform_data->sim, /*run queue*/TRUE); 43197883Sgibbs} 43297883Sgibbs 43397883Sgibbsstatic __inline void 43497883Sgibbsahd_freeze_ccb(union ccb *ccb) 43597883Sgibbs{ 43697883Sgibbs if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 43797883Sgibbs ccb->ccb_h.status |= CAM_DEV_QFRZN; 43897883Sgibbs xpt_freeze_devq(ccb->ccb_h.path, /*count*/1); 43997883Sgibbs } 44097883Sgibbs} 44197883Sgibbs 44297883Sgibbsstatic __inline void 44397883Sgibbsahd_freeze_scb(struct scb *scb) 44497883Sgibbs{ 44597883Sgibbs ahd_freeze_ccb(scb->io_ctx); 44697883Sgibbs} 44797883Sgibbs 44897883Sgibbsstatic __inline void 44997883Sgibbsahd_platform_freeze_devq(struct ahd_softc *ahd, struct scb *scb) 45097883Sgibbs{ 45197883Sgibbs /* Nothing to do here for FreeBSD */ 45297883Sgibbs} 45397883Sgibbs 45497883Sgibbsstatic __inline int 45597883Sgibbsahd_platform_abort_scbs(struct ahd_softc *ahd, int target, 45697883Sgibbs char channel, int lun, u_int tag, 45797883Sgibbs role_t role, uint32_t status) 45897883Sgibbs{ 45997883Sgibbs /* Nothing to do here for FreeBSD */ 46097883Sgibbs return (0); 46197883Sgibbs} 46297883Sgibbs 46397883Sgibbsstatic __inline void 46497883Sgibbsahd_platform_scb_free(struct ahd_softc *ahd, struct scb *scb) 46597883Sgibbs{ 46697883Sgibbs /* What do we do to generically handle driver resource shortages??? */ 46797883Sgibbs if ((ahd->flags & AHD_RESOURCE_SHORTAGE) != 0 46897883Sgibbs && scb->io_ctx != NULL 46997883Sgibbs && (scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 47097883Sgibbs scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 47197883Sgibbs ahd->flags &= ~AHD_RESOURCE_SHORTAGE; 47297883Sgibbs } 47397883Sgibbs scb->io_ctx = NULL; 47497883Sgibbs} 47597883Sgibbs 47697883Sgibbs/********************************** PCI ***************************************/ 47797883Sgibbs#ifdef AHD_PCI_CONFIG 47897883Sgibbsstatic __inline uint32_t ahd_pci_read_config(ahd_dev_softc_t pci, 47997883Sgibbs int reg, int width); 48097883Sgibbsstatic __inline void ahd_pci_write_config(ahd_dev_softc_t pci, 48197883Sgibbs int reg, uint32_t value, 48297883Sgibbs int width); 48397883Sgibbsstatic __inline int ahd_get_pci_function(ahd_dev_softc_t); 48497883Sgibbsstatic __inline int ahd_get_pci_slot(ahd_dev_softc_t); 48597883Sgibbsstatic __inline int ahd_get_pci_bus(ahd_dev_softc_t); 48697883Sgibbs 48797883Sgibbsint ahd_pci_map_registers(struct ahd_softc *ahd); 48897883Sgibbsint ahd_pci_map_int(struct ahd_softc *ahd); 48997883Sgibbs 49097883Sgibbsstatic __inline uint32_t 49197883Sgibbsahd_pci_read_config(ahd_dev_softc_t pci, int reg, int width) 49297883Sgibbs{ 49397883Sgibbs return (pci_read_config(pci, reg, width)); 49497883Sgibbs} 49597883Sgibbs 49697883Sgibbsstatic __inline void 49797883Sgibbsahd_pci_write_config(ahd_dev_softc_t pci, int reg, uint32_t value, int width) 49897883Sgibbs{ 49997883Sgibbs pci_write_config(pci, reg, value, width); 50097883Sgibbs} 50197883Sgibbs 50297883Sgibbsstatic __inline int 50397883Sgibbsahd_get_pci_function(ahd_dev_softc_t pci) 50497883Sgibbs{ 50597883Sgibbs return (pci_get_function(pci)); 50697883Sgibbs} 50797883Sgibbs 50897883Sgibbsstatic __inline int 50997883Sgibbsahd_get_pci_slot(ahd_dev_softc_t pci) 51097883Sgibbs{ 51197883Sgibbs return (pci_get_slot(pci)); 51297883Sgibbs} 51397883Sgibbs 51497883Sgibbsstatic __inline int 51597883Sgibbsahd_get_pci_bus(ahd_dev_softc_t pci) 51697883Sgibbs{ 51797883Sgibbs return (pci_get_bus(pci)); 51897883Sgibbs} 51997883Sgibbs 52097883Sgibbstypedef enum 52197883Sgibbs{ 52297883Sgibbs AHD_POWER_STATE_D0, 52397883Sgibbs AHD_POWER_STATE_D1, 52497883Sgibbs AHD_POWER_STATE_D2, 52597883Sgibbs AHD_POWER_STATE_D3 52697883Sgibbs} ahd_power_state; 52797883Sgibbs 52897883Sgibbsvoid ahd_power_state_change(struct ahd_softc *ahd, 52997883Sgibbs ahd_power_state new_state); 53097883Sgibbs#endif 53197883Sgibbs/******************************** VL/EISA *************************************/ 53297883Sgibbsint aic7770_map_registers(struct ahd_softc *ahd); 53397883Sgibbsint aic7770_map_int(struct ahd_softc *ahd, int irq); 53497883Sgibbs 53597883Sgibbs/********************************* Debug **************************************/ 53697883Sgibbsstatic __inline void ahd_print_path(struct ahd_softc *, struct scb *); 53797883Sgibbsstatic __inline void ahd_platform_dump_card_state(struct ahd_softc *ahd); 53897883Sgibbs 53997883Sgibbsstatic __inline void 54097883Sgibbsahd_print_path(struct ahd_softc *ahd, struct scb *scb) 54197883Sgibbs{ 54297883Sgibbs xpt_print_path(scb->io_ctx->ccb_h.path); 54397883Sgibbs} 54497883Sgibbs 54597883Sgibbsstatic __inline void 54697883Sgibbsahd_platform_dump_card_state(struct ahd_softc *ahd) 54797883Sgibbs{ 54897883Sgibbs /* Nothing to do here for FreeBSD */ 54997883Sgibbs} 55097883Sgibbs/**************************** Transfer Settings *******************************/ 55197883Sgibbsvoid ahd_notify_xfer_settings_change(struct ahd_softc *, 55297883Sgibbs struct ahd_devinfo *); 55397883Sgibbsvoid ahd_platform_set_tags(struct ahd_softc *, struct ahd_devinfo *, 55497883Sgibbs int /*enable*/); 55597883Sgibbs 55697883Sgibbs/************************* Initialization/Teardown ****************************/ 55797883Sgibbsint ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg); 55897883Sgibbsvoid ahd_platform_free(struct ahd_softc *ahd); 55997883Sgibbsint ahd_map_int(struct ahd_softc *ahd); 56097883Sgibbsint ahd_attach(struct ahd_softc *); 56197883Sgibbsint ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd); 56297883Sgibbsint ahd_detach(device_t); 56397883Sgibbs 56497883Sgibbs/****************************** Interrupts ************************************/ 56597883Sgibbsvoid ahd_platform_intr(void *); 56697883Sgibbsstatic __inline void ahd_platform_flushwork(struct ahd_softc *ahd); 56797883Sgibbsstatic __inline void 56897883Sgibbsahd_platform_flushwork(struct ahd_softc *ahd) 56997883Sgibbs{ 57097883Sgibbs} 57197883Sgibbs 57297883Sgibbs/************************ Misc Function Declarations **************************/ 57397883Sgibbstimeout_t ahd_timeout; 57497883Sgibbsvoid ahd_done(struct ahd_softc *ahd, struct scb *scb); 57597883Sgibbsvoid ahd_send_async(struct ahd_softc *, char /*channel*/, 57697883Sgibbs u_int /*target*/, u_int /*lun*/, ac_code, void *arg); 57797883Sgibbs#endif /* _AIC79XX_FREEBSD_H_ */ 578