aic79xx_osm.h revision 102685
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 * 33102685Sgibbs * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic79xx_osm.h#14 $ 3497883Sgibbs * 3597883Sgibbs * $FreeBSD: head/sys/dev/aic7xxx/aic79xx_osm.h 102685 2002-08-31 06:51:51Z gibbs $ 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 *******************************/ 22597937Sgibbs#if __FreeBSD_version >= 500000 22697937Sgibbs#define ahd_timer_init(timer) callout_init(timer, /*mpsafe*/0) 22797937Sgibbs#else 22897883Sgibbs#define ahd_timer_init callout_init 22997937Sgibbs#endif 23097883Sgibbs#define ahd_timer_stop callout_stop 23197883Sgibbs 23297883Sgibbsstatic __inline void 23397883Sgibbsahd_timer_reset(ahd_timer_t *timer, int usec, ahd_callback_t *func, void *arg) 23497883Sgibbs{ 23597883Sgibbs callout_reset(timer, (usec * hz)/1000000, func, arg); 23697883Sgibbs} 23797883Sgibbs 23897883Sgibbs/*************************** Device Access ************************************/ 23997883Sgibbs#define ahd_inb(ahd, port) \ 24097883Sgibbs bus_space_read_1((ahd)->tags[(port) >> 8], \ 24197883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF) 24297883Sgibbs 24397883Sgibbs#define ahd_outb(ahd, port, value) \ 24497883Sgibbs bus_space_write_1((ahd)->tags[(port) >> 8], \ 24597883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF, value) 24697883Sgibbs 24797883Sgibbs#define ahd_inw_atomic(ahd, port) \ 24897883Sgibbs ahd_le16toh(bus_space_read_2((ahd)->tags[(port) >> 8], \ 24997883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF)) 25097883Sgibbs 25197883Sgibbs#define ahd_outw_atomic(ahd, port, value) \ 25297883Sgibbs bus_space_write_2((ahd)->tags[(port) >> 8], \ 25397883Sgibbs (ahd)->bshs[(port) >> 8], \ 25497883Sgibbs (port & 0xFF), ahd_htole16(value)) 25597883Sgibbs 25697883Sgibbs#define ahd_outsb(ahd, port, valp, count) \ 25797883Sgibbs bus_space_write_multi_1((ahd)->tags[(port) >> 8], \ 25897883Sgibbs (ahd)->bshs[(port) >> 8], \ 25997883Sgibbs (port & 0xFF), valp, count) 26097883Sgibbs 26197883Sgibbs#define ahd_insb(ahd, port, valp, count) \ 26297883Sgibbs bus_space_read_multi_1((ahd)->tags[(port) >> 8], \ 26397883Sgibbs (ahd)->bshs[(port) >> 8], \ 26497883Sgibbs (port & 0xFF), valp, count) 26597883Sgibbs 26697883Sgibbsstatic __inline void ahd_flush_device_writes(struct ahd_softc *); 26797883Sgibbs 26897883Sgibbsstatic __inline void 26997883Sgibbsahd_flush_device_writes(struct ahd_softc *ahd) 27097883Sgibbs{ 27197883Sgibbs /* XXX Is this sufficient for all architectures??? */ 27297883Sgibbs ahd_inb(ahd, INTSTAT); 27397883Sgibbs} 27497883Sgibbs 27597883Sgibbs/**************************** Locking Primitives ******************************/ 27697883Sgibbs/* Lock protecting internal data structures */ 27797883Sgibbsstatic __inline void ahd_lockinit(struct ahd_softc *); 27897883Sgibbsstatic __inline void ahd_lock(struct ahd_softc *, unsigned long *flags); 27997883Sgibbsstatic __inline void ahd_unlock(struct ahd_softc *, unsigned long *flags); 28097883Sgibbs 28197883Sgibbs/* Lock held during command compeletion to the upper layer */ 28297883Sgibbsstatic __inline void ahd_done_lockinit(struct ahd_softc *); 28397883Sgibbsstatic __inline void ahd_done_lock(struct ahd_softc *, unsigned long *flags); 28497883Sgibbsstatic __inline void ahd_done_unlock(struct ahd_softc *, unsigned long *flags); 28597883Sgibbs 286102685Sgibbs/* Lock held during ahd_list manipulation and ahd softc frees */ 28797883Sgibbsstatic __inline void ahd_list_lockinit(void); 28897883Sgibbsstatic __inline void ahd_list_lock(unsigned long *flags); 28997883Sgibbsstatic __inline void ahd_list_unlock(unsigned long *flags); 29097883Sgibbs 29197883Sgibbsstatic __inline void 29297883Sgibbsahd_lockinit(struct ahd_softc *ahd) 29397883Sgibbs{ 29497883Sgibbs} 29597883Sgibbs 29697883Sgibbsstatic __inline void 29797883Sgibbsahd_lock(struct ahd_softc *ahd, unsigned long *flags) 29897883Sgibbs{ 29997883Sgibbs *flags = splcam(); 30097883Sgibbs} 30197883Sgibbs 30297883Sgibbsstatic __inline void 30397883Sgibbsahd_unlock(struct ahd_softc *ahd, unsigned long *flags) 30497883Sgibbs{ 30597883Sgibbs splx(*flags); 30697883Sgibbs} 30797883Sgibbs 30897883Sgibbs/* Lock held during command compeletion to the upper layer */ 30997883Sgibbsstatic __inline void 31097883Sgibbsahd_done_lockinit(struct ahd_softc *ahd) 31197883Sgibbs{ 31297883Sgibbs} 31397883Sgibbs 31497883Sgibbsstatic __inline void 31597883Sgibbsahd_done_lock(struct ahd_softc *ahd, unsigned long *flags) 31697883Sgibbs{ 31797883Sgibbs} 31897883Sgibbs 31997883Sgibbsstatic __inline void 32097883Sgibbsahd_done_unlock(struct ahd_softc *ahd, unsigned long *flags) 32197883Sgibbs{ 32297883Sgibbs} 32397883Sgibbs 324102685Sgibbs/* Lock held during ahd_list manipulation and ahd softc frees */ 32597883Sgibbsstatic __inline void 32697883Sgibbsahd_list_lockinit() 32797883Sgibbs{ 32897883Sgibbs} 32997883Sgibbs 33097883Sgibbsstatic __inline void 33197883Sgibbsahd_list_lock(unsigned long *flags) 33297883Sgibbs{ 33397883Sgibbs} 33497883Sgibbs 33597883Sgibbsstatic __inline void 33697883Sgibbsahd_list_unlock(unsigned long *flags) 33797883Sgibbs{ 33897883Sgibbs} 33997883Sgibbs/****************************** OS Primitives *********************************/ 34097883Sgibbs#define ahd_delay DELAY 34197883Sgibbs 34297883Sgibbs/************************** Transaction Operations ****************************/ 34397883Sgibbsstatic __inline void ahd_set_transaction_status(struct scb *, uint32_t); 34497883Sgibbsstatic __inline void ahd_set_scsi_status(struct scb *, uint32_t); 34597883Sgibbsstatic __inline uint32_t ahd_get_transaction_status(struct scb *); 34697883Sgibbsstatic __inline uint32_t ahd_get_scsi_status(struct scb *); 34797883Sgibbsstatic __inline void ahd_set_transaction_tag(struct scb *, int, u_int); 34897883Sgibbsstatic __inline u_long ahd_get_transfer_length(struct scb *); 34997883Sgibbsstatic __inline int ahd_get_transfer_dir(struct scb *); 35097883Sgibbsstatic __inline void ahd_set_residual(struct scb *, u_long); 35197883Sgibbsstatic __inline void ahd_set_sense_residual(struct scb *, u_long); 35297883Sgibbsstatic __inline u_long ahd_get_residual(struct scb *); 35397883Sgibbsstatic __inline int ahd_perform_autosense(struct scb *); 35497883Sgibbsstatic __inline uint32_t ahd_get_sense_bufsize(struct ahd_softc*, struct scb*); 35597883Sgibbsstatic __inline void ahd_freeze_simq(struct ahd_softc *); 35697883Sgibbsstatic __inline void ahd_release_simq(struct ahd_softc *); 35797883Sgibbsstatic __inline void ahd_freeze_ccb(union ccb *ccb); 35897883Sgibbsstatic __inline void ahd_freeze_scb(struct scb *scb); 35997883Sgibbsstatic __inline void ahd_platform_freeze_devq(struct ahd_softc *, struct scb *); 36097883Sgibbsstatic __inline int ahd_platform_abort_scbs(struct ahd_softc *ahd, int target, 36197883Sgibbs char channel, int lun, u_int tag, 36297883Sgibbs role_t role, uint32_t status); 36397883Sgibbs 36497883Sgibbsstatic __inline 36597883Sgibbsvoid ahd_set_transaction_status(struct scb *scb, uint32_t status) 36697883Sgibbs{ 36797883Sgibbs scb->io_ctx->ccb_h.status &= ~CAM_STATUS_MASK; 36897883Sgibbs scb->io_ctx->ccb_h.status |= status; 36997883Sgibbs} 37097883Sgibbs 37197883Sgibbsstatic __inline 37297883Sgibbsvoid ahd_set_scsi_status(struct scb *scb, uint32_t status) 37397883Sgibbs{ 37497883Sgibbs scb->io_ctx->csio.scsi_status = status; 37597883Sgibbs} 37697883Sgibbs 37797883Sgibbsstatic __inline 37897883Sgibbsuint32_t ahd_get_transaction_status(struct scb *scb) 37997883Sgibbs{ 38097883Sgibbs return (scb->io_ctx->ccb_h.status & CAM_STATUS_MASK); 38197883Sgibbs} 38297883Sgibbs 38397883Sgibbsstatic __inline 38497883Sgibbsuint32_t ahd_get_scsi_status(struct scb *scb) 38597883Sgibbs{ 38697883Sgibbs return (scb->io_ctx->csio.scsi_status); 38797883Sgibbs} 38897883Sgibbs 38997883Sgibbsstatic __inline 39097883Sgibbsvoid ahd_set_transaction_tag(struct scb *scb, int enabled, u_int type) 39197883Sgibbs{ 39297883Sgibbs scb->io_ctx->csio.tag_action = type; 39397883Sgibbs if (enabled) 39497883Sgibbs scb->io_ctx->ccb_h.flags |= CAM_TAG_ACTION_VALID; 39597883Sgibbs else 39697883Sgibbs scb->io_ctx->ccb_h.flags &= ~CAM_TAG_ACTION_VALID; 39797883Sgibbs} 39897883Sgibbs 39997883Sgibbsstatic __inline 40097883Sgibbsu_long ahd_get_transfer_length(struct scb *scb) 40197883Sgibbs{ 40297883Sgibbs return (scb->io_ctx->csio.dxfer_len); 40397883Sgibbs} 40497883Sgibbs 40597883Sgibbsstatic __inline 40697883Sgibbsint ahd_get_transfer_dir(struct scb *scb) 40797883Sgibbs{ 40897883Sgibbs return (scb->io_ctx->ccb_h.flags & CAM_DIR_MASK); 40997883Sgibbs} 41097883Sgibbs 41197883Sgibbsstatic __inline 41297883Sgibbsvoid ahd_set_residual(struct scb *scb, u_long resid) 41397883Sgibbs{ 41497883Sgibbs scb->io_ctx->csio.resid = resid; 41597883Sgibbs} 41697883Sgibbs 41797883Sgibbsstatic __inline 41897883Sgibbsvoid ahd_set_sense_residual(struct scb *scb, u_long resid) 41997883Sgibbs{ 42097883Sgibbs scb->io_ctx->csio.sense_resid = resid; 42197883Sgibbs} 42297883Sgibbs 42397883Sgibbsstatic __inline 42497883Sgibbsu_long ahd_get_residual(struct scb *scb) 42597883Sgibbs{ 42697883Sgibbs return (scb->io_ctx->csio.resid); 42797883Sgibbs} 42897883Sgibbs 42997883Sgibbsstatic __inline 43097883Sgibbsint ahd_perform_autosense(struct scb *scb) 43197883Sgibbs{ 43297883Sgibbs return (!(scb->io_ctx->ccb_h.flags & CAM_DIS_AUTOSENSE)); 43397883Sgibbs} 43497883Sgibbs 43597883Sgibbsstatic __inline uint32_t 43697883Sgibbsahd_get_sense_bufsize(struct ahd_softc *ahd, struct scb *scb) 43797883Sgibbs{ 43897883Sgibbs return (sizeof(struct scsi_sense_data)); 43997883Sgibbs} 44097883Sgibbs 44197883Sgibbsstatic __inline void 44297883Sgibbsahd_freeze_simq(struct ahd_softc *ahd) 44397883Sgibbs{ 44497883Sgibbs xpt_freeze_simq(ahd->platform_data->sim, /*count*/1); 44597883Sgibbs} 44697883Sgibbs 44797883Sgibbsstatic __inline void 44897883Sgibbsahd_release_simq(struct ahd_softc *ahd) 44997883Sgibbs{ 45097883Sgibbs xpt_release_simq(ahd->platform_data->sim, /*run queue*/TRUE); 45197883Sgibbs} 45297883Sgibbs 45397883Sgibbsstatic __inline void 45497883Sgibbsahd_freeze_ccb(union ccb *ccb) 45597883Sgibbs{ 45697883Sgibbs if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 45797883Sgibbs ccb->ccb_h.status |= CAM_DEV_QFRZN; 45897883Sgibbs xpt_freeze_devq(ccb->ccb_h.path, /*count*/1); 45997883Sgibbs } 46097883Sgibbs} 46197883Sgibbs 46297883Sgibbsstatic __inline void 46397883Sgibbsahd_freeze_scb(struct scb *scb) 46497883Sgibbs{ 46597883Sgibbs ahd_freeze_ccb(scb->io_ctx); 46697883Sgibbs} 46797883Sgibbs 46897883Sgibbsstatic __inline void 46997883Sgibbsahd_platform_freeze_devq(struct ahd_softc *ahd, struct scb *scb) 47097883Sgibbs{ 47197883Sgibbs /* Nothing to do here for FreeBSD */ 47297883Sgibbs} 47397883Sgibbs 47497883Sgibbsstatic __inline int 47597883Sgibbsahd_platform_abort_scbs(struct ahd_softc *ahd, int target, 47697883Sgibbs char channel, int lun, u_int tag, 47797883Sgibbs role_t role, uint32_t status) 47897883Sgibbs{ 47997883Sgibbs /* Nothing to do here for FreeBSD */ 48097883Sgibbs return (0); 48197883Sgibbs} 48297883Sgibbs 48397883Sgibbsstatic __inline void 48497883Sgibbsahd_platform_scb_free(struct ahd_softc *ahd, struct scb *scb) 48597883Sgibbs{ 48697883Sgibbs /* What do we do to generically handle driver resource shortages??? */ 48797883Sgibbs if ((ahd->flags & AHD_RESOURCE_SHORTAGE) != 0 48897883Sgibbs && scb->io_ctx != NULL 48997883Sgibbs && (scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 49097883Sgibbs scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 49197883Sgibbs ahd->flags &= ~AHD_RESOURCE_SHORTAGE; 49297883Sgibbs } 49397883Sgibbs scb->io_ctx = NULL; 49497883Sgibbs} 49597883Sgibbs 49697883Sgibbs/********************************** PCI ***************************************/ 49797883Sgibbs#ifdef AHD_PCI_CONFIG 49897883Sgibbsstatic __inline uint32_t ahd_pci_read_config(ahd_dev_softc_t pci, 49997883Sgibbs int reg, int width); 50097883Sgibbsstatic __inline void ahd_pci_write_config(ahd_dev_softc_t pci, 50197883Sgibbs int reg, uint32_t value, 50297883Sgibbs int width); 50397883Sgibbsstatic __inline int ahd_get_pci_function(ahd_dev_softc_t); 50497883Sgibbsstatic __inline int ahd_get_pci_slot(ahd_dev_softc_t); 50597883Sgibbsstatic __inline int ahd_get_pci_bus(ahd_dev_softc_t); 50697883Sgibbs 50797883Sgibbsint ahd_pci_map_registers(struct ahd_softc *ahd); 50897883Sgibbsint ahd_pci_map_int(struct ahd_softc *ahd); 50997883Sgibbs 51097883Sgibbsstatic __inline uint32_t 51197883Sgibbsahd_pci_read_config(ahd_dev_softc_t pci, int reg, int width) 51297883Sgibbs{ 51397883Sgibbs return (pci_read_config(pci, reg, width)); 51497883Sgibbs} 51597883Sgibbs 51697883Sgibbsstatic __inline void 51797883Sgibbsahd_pci_write_config(ahd_dev_softc_t pci, int reg, uint32_t value, int width) 51897883Sgibbs{ 51997883Sgibbs pci_write_config(pci, reg, value, width); 52097883Sgibbs} 52197883Sgibbs 52297883Sgibbsstatic __inline int 52397883Sgibbsahd_get_pci_function(ahd_dev_softc_t pci) 52497883Sgibbs{ 52597883Sgibbs return (pci_get_function(pci)); 52697883Sgibbs} 52797883Sgibbs 52897883Sgibbsstatic __inline int 52997883Sgibbsahd_get_pci_slot(ahd_dev_softc_t pci) 53097883Sgibbs{ 53197883Sgibbs return (pci_get_slot(pci)); 53297883Sgibbs} 53397883Sgibbs 53497883Sgibbsstatic __inline int 53597883Sgibbsahd_get_pci_bus(ahd_dev_softc_t pci) 53697883Sgibbs{ 53797883Sgibbs return (pci_get_bus(pci)); 53897883Sgibbs} 53997883Sgibbs 54097883Sgibbstypedef enum 54197883Sgibbs{ 54297883Sgibbs AHD_POWER_STATE_D0, 54397883Sgibbs AHD_POWER_STATE_D1, 54497883Sgibbs AHD_POWER_STATE_D2, 54597883Sgibbs AHD_POWER_STATE_D3 54697883Sgibbs} ahd_power_state; 54797883Sgibbs 54897883Sgibbsvoid ahd_power_state_change(struct ahd_softc *ahd, 54997883Sgibbs ahd_power_state new_state); 55097883Sgibbs#endif 55197883Sgibbs/******************************** VL/EISA *************************************/ 55297883Sgibbsint aic7770_map_registers(struct ahd_softc *ahd); 55397883Sgibbsint aic7770_map_int(struct ahd_softc *ahd, int irq); 55497883Sgibbs 55597883Sgibbs/********************************* Debug **************************************/ 55697883Sgibbsstatic __inline void ahd_print_path(struct ahd_softc *, struct scb *); 55797883Sgibbsstatic __inline void ahd_platform_dump_card_state(struct ahd_softc *ahd); 55897883Sgibbs 55997883Sgibbsstatic __inline void 56097883Sgibbsahd_print_path(struct ahd_softc *ahd, struct scb *scb) 56197883Sgibbs{ 56297883Sgibbs xpt_print_path(scb->io_ctx->ccb_h.path); 56397883Sgibbs} 56497883Sgibbs 56597883Sgibbsstatic __inline void 56697883Sgibbsahd_platform_dump_card_state(struct ahd_softc *ahd) 56797883Sgibbs{ 56897883Sgibbs /* Nothing to do here for FreeBSD */ 56997883Sgibbs} 57097883Sgibbs/**************************** Transfer Settings *******************************/ 57197883Sgibbsvoid ahd_notify_xfer_settings_change(struct ahd_softc *, 57297883Sgibbs struct ahd_devinfo *); 57397883Sgibbsvoid ahd_platform_set_tags(struct ahd_softc *, struct ahd_devinfo *, 57497883Sgibbs int /*enable*/); 57597883Sgibbs 57697883Sgibbs/************************* Initialization/Teardown ****************************/ 57797883Sgibbsint ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg); 57897883Sgibbsvoid ahd_platform_free(struct ahd_softc *ahd); 57997883Sgibbsint ahd_map_int(struct ahd_softc *ahd); 58097883Sgibbsint ahd_attach(struct ahd_softc *); 58197883Sgibbsint ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd); 58297883Sgibbsint ahd_detach(device_t); 58397883Sgibbs 58497883Sgibbs/****************************** Interrupts ************************************/ 58597883Sgibbsvoid ahd_platform_intr(void *); 58697883Sgibbsstatic __inline void ahd_platform_flushwork(struct ahd_softc *ahd); 58797883Sgibbsstatic __inline void 58897883Sgibbsahd_platform_flushwork(struct ahd_softc *ahd) 58997883Sgibbs{ 59097883Sgibbs} 59197883Sgibbs 59297883Sgibbs/************************ Misc Function Declarations **************************/ 59397883Sgibbstimeout_t ahd_timeout; 59497883Sgibbsvoid ahd_done(struct ahd_softc *ahd, struct scb *scb); 59597883Sgibbsvoid ahd_send_async(struct ahd_softc *, char /*channel*/, 59697883Sgibbs u_int /*target*/, u_int /*lun*/, ac_code, void *arg); 59797883Sgibbs#endif /* _AIC79XX_FREEBSD_H_ */ 598