aic79xx_osm.h revision 115336
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 * 33107623Sscottl * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic79xx_osm.h#19 $ 3497883Sgibbs * 3597883Sgibbs * $FreeBSD: head/sys/dev/aic7xxx/aic79xx_osm.h 115336 2003-05-26 21:43:29Z 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 *******************************/ 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{ 242107623Sscottl untimeout(ahd_timeout, (caddr_t)scb, scb->io_ctx->ccb_h.timeout_ch); 243107623Sscottl scb->io_ctx->ccb_h.timeout_ch = 244107623Sscottl timeout(ahd_timeout, scb, (usec * hz)/1000000); 245107437Sscottl} 246107437Sscottl 24797883Sgibbs/*************************** Device Access ************************************/ 24897883Sgibbs#define ahd_inb(ahd, port) \ 24997883Sgibbs bus_space_read_1((ahd)->tags[(port) >> 8], \ 25097883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF) 25197883Sgibbs 25297883Sgibbs#define ahd_outb(ahd, port, value) \ 25397883Sgibbs bus_space_write_1((ahd)->tags[(port) >> 8], \ 25497883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF, value) 25597883Sgibbs 25697883Sgibbs#define ahd_inw_atomic(ahd, port) \ 25797883Sgibbs ahd_le16toh(bus_space_read_2((ahd)->tags[(port) >> 8], \ 25897883Sgibbs (ahd)->bshs[(port) >> 8], (port) & 0xFF)) 25997883Sgibbs 26097883Sgibbs#define ahd_outw_atomic(ahd, port, value) \ 26197883Sgibbs bus_space_write_2((ahd)->tags[(port) >> 8], \ 26297883Sgibbs (ahd)->bshs[(port) >> 8], \ 26397883Sgibbs (port & 0xFF), ahd_htole16(value)) 26497883Sgibbs 26597883Sgibbs#define ahd_outsb(ahd, port, valp, count) \ 26697883Sgibbs bus_space_write_multi_1((ahd)->tags[(port) >> 8], \ 26797883Sgibbs (ahd)->bshs[(port) >> 8], \ 26897883Sgibbs (port & 0xFF), valp, count) 26997883Sgibbs 27097883Sgibbs#define ahd_insb(ahd, port, valp, count) \ 27197883Sgibbs bus_space_read_multi_1((ahd)->tags[(port) >> 8], \ 27297883Sgibbs (ahd)->bshs[(port) >> 8], \ 27397883Sgibbs (port & 0xFF), valp, count) 27497883Sgibbs 27597883Sgibbsstatic __inline void ahd_flush_device_writes(struct ahd_softc *); 27697883Sgibbs 27797883Sgibbsstatic __inline void 27897883Sgibbsahd_flush_device_writes(struct ahd_softc *ahd) 27997883Sgibbs{ 28097883Sgibbs /* XXX Is this sufficient for all architectures??? */ 28197883Sgibbs ahd_inb(ahd, INTSTAT); 28297883Sgibbs} 28397883Sgibbs 28497883Sgibbs/**************************** Locking Primitives ******************************/ 28597883Sgibbs/* Lock protecting internal data structures */ 28697883Sgibbsstatic __inline void ahd_lockinit(struct ahd_softc *); 28797883Sgibbsstatic __inline void ahd_lock(struct ahd_softc *, unsigned long *flags); 28897883Sgibbsstatic __inline void ahd_unlock(struct ahd_softc *, unsigned long *flags); 28997883Sgibbs 29097883Sgibbs/* Lock held during command compeletion to the upper layer */ 29197883Sgibbsstatic __inline void ahd_done_lockinit(struct ahd_softc *); 29297883Sgibbsstatic __inline void ahd_done_lock(struct ahd_softc *, unsigned long *flags); 29397883Sgibbsstatic __inline void ahd_done_unlock(struct ahd_softc *, unsigned long *flags); 29497883Sgibbs 295102685Sgibbs/* Lock held during ahd_list manipulation and ahd softc frees */ 29697883Sgibbsstatic __inline void ahd_list_lockinit(void); 29797883Sgibbsstatic __inline void ahd_list_lock(unsigned long *flags); 29897883Sgibbsstatic __inline void ahd_list_unlock(unsigned long *flags); 29997883Sgibbs 30097883Sgibbsstatic __inline void 30197883Sgibbsahd_lockinit(struct ahd_softc *ahd) 30297883Sgibbs{ 30397883Sgibbs} 30497883Sgibbs 30597883Sgibbsstatic __inline void 30697883Sgibbsahd_lock(struct ahd_softc *ahd, unsigned long *flags) 30797883Sgibbs{ 30897883Sgibbs *flags = splcam(); 30997883Sgibbs} 31097883Sgibbs 31197883Sgibbsstatic __inline void 31297883Sgibbsahd_unlock(struct ahd_softc *ahd, unsigned long *flags) 31397883Sgibbs{ 31497883Sgibbs splx(*flags); 31597883Sgibbs} 31697883Sgibbs 31797883Sgibbs/* Lock held during command compeletion to the upper layer */ 31897883Sgibbsstatic __inline void 31997883Sgibbsahd_done_lockinit(struct ahd_softc *ahd) 32097883Sgibbs{ 32197883Sgibbs} 32297883Sgibbs 32397883Sgibbsstatic __inline void 32497883Sgibbsahd_done_lock(struct ahd_softc *ahd, unsigned long *flags) 32597883Sgibbs{ 32697883Sgibbs} 32797883Sgibbs 32897883Sgibbsstatic __inline void 32997883Sgibbsahd_done_unlock(struct ahd_softc *ahd, unsigned long *flags) 33097883Sgibbs{ 33197883Sgibbs} 33297883Sgibbs 333102685Sgibbs/* Lock held during ahd_list manipulation and ahd softc frees */ 33497883Sgibbsstatic __inline void 335115336Sgibbsahd_list_lockinit(void) 33697883Sgibbs{ 33797883Sgibbs} 33897883Sgibbs 33997883Sgibbsstatic __inline void 34097883Sgibbsahd_list_lock(unsigned long *flags) 34197883Sgibbs{ 34297883Sgibbs} 34397883Sgibbs 34497883Sgibbsstatic __inline void 34597883Sgibbsahd_list_unlock(unsigned long *flags) 34697883Sgibbs{ 34797883Sgibbs} 34897883Sgibbs/****************************** OS Primitives *********************************/ 34997883Sgibbs#define ahd_delay DELAY 35097883Sgibbs 35197883Sgibbs/************************** Transaction Operations ****************************/ 35297883Sgibbsstatic __inline void ahd_set_transaction_status(struct scb *, uint32_t); 35397883Sgibbsstatic __inline void ahd_set_scsi_status(struct scb *, uint32_t); 35497883Sgibbsstatic __inline uint32_t ahd_get_transaction_status(struct scb *); 35597883Sgibbsstatic __inline uint32_t ahd_get_scsi_status(struct scb *); 35697883Sgibbsstatic __inline void ahd_set_transaction_tag(struct scb *, int, u_int); 35797883Sgibbsstatic __inline u_long ahd_get_transfer_length(struct scb *); 35897883Sgibbsstatic __inline int ahd_get_transfer_dir(struct scb *); 35997883Sgibbsstatic __inline void ahd_set_residual(struct scb *, u_long); 36097883Sgibbsstatic __inline void ahd_set_sense_residual(struct scb *, u_long); 36197883Sgibbsstatic __inline u_long ahd_get_residual(struct scb *); 36297883Sgibbsstatic __inline int ahd_perform_autosense(struct scb *); 36397883Sgibbsstatic __inline uint32_t ahd_get_sense_bufsize(struct ahd_softc*, struct scb*); 36497883Sgibbsstatic __inline void ahd_freeze_simq(struct ahd_softc *); 36597883Sgibbsstatic __inline void ahd_release_simq(struct ahd_softc *); 36697883Sgibbsstatic __inline void ahd_freeze_ccb(union ccb *ccb); 36797883Sgibbsstatic __inline void ahd_freeze_scb(struct scb *scb); 36897883Sgibbsstatic __inline void ahd_platform_freeze_devq(struct ahd_softc *, struct scb *); 36997883Sgibbsstatic __inline int ahd_platform_abort_scbs(struct ahd_softc *ahd, int target, 37097883Sgibbs char channel, int lun, u_int tag, 37197883Sgibbs role_t role, uint32_t status); 37297883Sgibbs 37397883Sgibbsstatic __inline 37497883Sgibbsvoid ahd_set_transaction_status(struct scb *scb, uint32_t status) 37597883Sgibbs{ 37697883Sgibbs scb->io_ctx->ccb_h.status &= ~CAM_STATUS_MASK; 37797883Sgibbs scb->io_ctx->ccb_h.status |= status; 37897883Sgibbs} 37997883Sgibbs 38097883Sgibbsstatic __inline 38197883Sgibbsvoid ahd_set_scsi_status(struct scb *scb, uint32_t status) 38297883Sgibbs{ 38397883Sgibbs scb->io_ctx->csio.scsi_status = status; 38497883Sgibbs} 38597883Sgibbs 38697883Sgibbsstatic __inline 38797883Sgibbsuint32_t ahd_get_transaction_status(struct scb *scb) 38897883Sgibbs{ 38997883Sgibbs return (scb->io_ctx->ccb_h.status & CAM_STATUS_MASK); 39097883Sgibbs} 39197883Sgibbs 39297883Sgibbsstatic __inline 39397883Sgibbsuint32_t ahd_get_scsi_status(struct scb *scb) 39497883Sgibbs{ 39597883Sgibbs return (scb->io_ctx->csio.scsi_status); 39697883Sgibbs} 39797883Sgibbs 39897883Sgibbsstatic __inline 39997883Sgibbsvoid ahd_set_transaction_tag(struct scb *scb, int enabled, u_int type) 40097883Sgibbs{ 40197883Sgibbs scb->io_ctx->csio.tag_action = type; 40297883Sgibbs if (enabled) 40397883Sgibbs scb->io_ctx->ccb_h.flags |= CAM_TAG_ACTION_VALID; 40497883Sgibbs else 40597883Sgibbs scb->io_ctx->ccb_h.flags &= ~CAM_TAG_ACTION_VALID; 40697883Sgibbs} 40797883Sgibbs 40897883Sgibbsstatic __inline 40997883Sgibbsu_long ahd_get_transfer_length(struct scb *scb) 41097883Sgibbs{ 41197883Sgibbs return (scb->io_ctx->csio.dxfer_len); 41297883Sgibbs} 41397883Sgibbs 41497883Sgibbsstatic __inline 41597883Sgibbsint ahd_get_transfer_dir(struct scb *scb) 41697883Sgibbs{ 41797883Sgibbs return (scb->io_ctx->ccb_h.flags & CAM_DIR_MASK); 41897883Sgibbs} 41997883Sgibbs 42097883Sgibbsstatic __inline 42197883Sgibbsvoid ahd_set_residual(struct scb *scb, u_long resid) 42297883Sgibbs{ 42397883Sgibbs scb->io_ctx->csio.resid = resid; 42497883Sgibbs} 42597883Sgibbs 42697883Sgibbsstatic __inline 42797883Sgibbsvoid ahd_set_sense_residual(struct scb *scb, u_long resid) 42897883Sgibbs{ 42997883Sgibbs scb->io_ctx->csio.sense_resid = resid; 43097883Sgibbs} 43197883Sgibbs 43297883Sgibbsstatic __inline 43397883Sgibbsu_long ahd_get_residual(struct scb *scb) 43497883Sgibbs{ 43597883Sgibbs return (scb->io_ctx->csio.resid); 43697883Sgibbs} 43797883Sgibbs 43897883Sgibbsstatic __inline 43997883Sgibbsint ahd_perform_autosense(struct scb *scb) 44097883Sgibbs{ 44197883Sgibbs return (!(scb->io_ctx->ccb_h.flags & CAM_DIS_AUTOSENSE)); 44297883Sgibbs} 44397883Sgibbs 44497883Sgibbsstatic __inline uint32_t 44597883Sgibbsahd_get_sense_bufsize(struct ahd_softc *ahd, struct scb *scb) 44697883Sgibbs{ 44797883Sgibbs return (sizeof(struct scsi_sense_data)); 44897883Sgibbs} 44997883Sgibbs 45097883Sgibbsstatic __inline void 45197883Sgibbsahd_freeze_simq(struct ahd_softc *ahd) 45297883Sgibbs{ 45397883Sgibbs xpt_freeze_simq(ahd->platform_data->sim, /*count*/1); 45497883Sgibbs} 45597883Sgibbs 45697883Sgibbsstatic __inline void 45797883Sgibbsahd_release_simq(struct ahd_softc *ahd) 45897883Sgibbs{ 45997883Sgibbs xpt_release_simq(ahd->platform_data->sim, /*run queue*/TRUE); 46097883Sgibbs} 46197883Sgibbs 46297883Sgibbsstatic __inline void 46397883Sgibbsahd_freeze_ccb(union ccb *ccb) 46497883Sgibbs{ 46597883Sgibbs if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 46697883Sgibbs ccb->ccb_h.status |= CAM_DEV_QFRZN; 46797883Sgibbs xpt_freeze_devq(ccb->ccb_h.path, /*count*/1); 46897883Sgibbs } 46997883Sgibbs} 47097883Sgibbs 47197883Sgibbsstatic __inline void 47297883Sgibbsahd_freeze_scb(struct scb *scb) 47397883Sgibbs{ 47497883Sgibbs ahd_freeze_ccb(scb->io_ctx); 47597883Sgibbs} 47697883Sgibbs 47797883Sgibbsstatic __inline void 47897883Sgibbsahd_platform_freeze_devq(struct ahd_softc *ahd, struct scb *scb) 47997883Sgibbs{ 48097883Sgibbs /* Nothing to do here for FreeBSD */ 48197883Sgibbs} 48297883Sgibbs 48397883Sgibbsstatic __inline int 48497883Sgibbsahd_platform_abort_scbs(struct ahd_softc *ahd, int target, 48597883Sgibbs char channel, int lun, u_int tag, 48697883Sgibbs role_t role, uint32_t status) 48797883Sgibbs{ 48897883Sgibbs /* Nothing to do here for FreeBSD */ 48997883Sgibbs return (0); 49097883Sgibbs} 49197883Sgibbs 49297883Sgibbsstatic __inline void 49397883Sgibbsahd_platform_scb_free(struct ahd_softc *ahd, struct scb *scb) 49497883Sgibbs{ 49597883Sgibbs /* What do we do to generically handle driver resource shortages??? */ 49697883Sgibbs if ((ahd->flags & AHD_RESOURCE_SHORTAGE) != 0 49797883Sgibbs && scb->io_ctx != NULL 49897883Sgibbs && (scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 49997883Sgibbs scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 50097883Sgibbs ahd->flags &= ~AHD_RESOURCE_SHORTAGE; 50197883Sgibbs } 50297883Sgibbs scb->io_ctx = NULL; 50397883Sgibbs} 50497883Sgibbs 50597883Sgibbs/********************************** PCI ***************************************/ 50697883Sgibbs#ifdef AHD_PCI_CONFIG 50797883Sgibbsstatic __inline uint32_t ahd_pci_read_config(ahd_dev_softc_t pci, 50897883Sgibbs int reg, int width); 50997883Sgibbsstatic __inline void ahd_pci_write_config(ahd_dev_softc_t pci, 51097883Sgibbs int reg, uint32_t value, 51197883Sgibbs int width); 51297883Sgibbsstatic __inline int ahd_get_pci_function(ahd_dev_softc_t); 51397883Sgibbsstatic __inline int ahd_get_pci_slot(ahd_dev_softc_t); 51497883Sgibbsstatic __inline int ahd_get_pci_bus(ahd_dev_softc_t); 51597883Sgibbs 51697883Sgibbsint ahd_pci_map_registers(struct ahd_softc *ahd); 51797883Sgibbsint ahd_pci_map_int(struct ahd_softc *ahd); 51897883Sgibbs 51997883Sgibbsstatic __inline uint32_t 52097883Sgibbsahd_pci_read_config(ahd_dev_softc_t pci, int reg, int width) 52197883Sgibbs{ 52297883Sgibbs return (pci_read_config(pci, reg, width)); 52397883Sgibbs} 52497883Sgibbs 52597883Sgibbsstatic __inline void 52697883Sgibbsahd_pci_write_config(ahd_dev_softc_t pci, int reg, uint32_t value, int width) 52797883Sgibbs{ 52897883Sgibbs pci_write_config(pci, reg, value, width); 52997883Sgibbs} 53097883Sgibbs 53197883Sgibbsstatic __inline int 53297883Sgibbsahd_get_pci_function(ahd_dev_softc_t pci) 53397883Sgibbs{ 53497883Sgibbs return (pci_get_function(pci)); 53597883Sgibbs} 53697883Sgibbs 53797883Sgibbsstatic __inline int 53897883Sgibbsahd_get_pci_slot(ahd_dev_softc_t pci) 53997883Sgibbs{ 54097883Sgibbs return (pci_get_slot(pci)); 54197883Sgibbs} 54297883Sgibbs 54397883Sgibbsstatic __inline int 54497883Sgibbsahd_get_pci_bus(ahd_dev_softc_t pci) 54597883Sgibbs{ 54697883Sgibbs return (pci_get_bus(pci)); 54797883Sgibbs} 54897883Sgibbs 54997883Sgibbstypedef enum 55097883Sgibbs{ 55197883Sgibbs AHD_POWER_STATE_D0, 55297883Sgibbs AHD_POWER_STATE_D1, 55397883Sgibbs AHD_POWER_STATE_D2, 55497883Sgibbs AHD_POWER_STATE_D3 55597883Sgibbs} ahd_power_state; 55697883Sgibbs 55797883Sgibbsvoid ahd_power_state_change(struct ahd_softc *ahd, 55897883Sgibbs ahd_power_state new_state); 55997883Sgibbs#endif 56097883Sgibbs/******************************** VL/EISA *************************************/ 56197883Sgibbsint aic7770_map_registers(struct ahd_softc *ahd); 56297883Sgibbsint aic7770_map_int(struct ahd_softc *ahd, int irq); 56397883Sgibbs 56497883Sgibbs/********************************* Debug **************************************/ 56597883Sgibbsstatic __inline void ahd_print_path(struct ahd_softc *, struct scb *); 56697883Sgibbsstatic __inline void ahd_platform_dump_card_state(struct ahd_softc *ahd); 56797883Sgibbs 56897883Sgibbsstatic __inline void 56997883Sgibbsahd_print_path(struct ahd_softc *ahd, struct scb *scb) 57097883Sgibbs{ 57197883Sgibbs xpt_print_path(scb->io_ctx->ccb_h.path); 57297883Sgibbs} 57397883Sgibbs 57497883Sgibbsstatic __inline void 57597883Sgibbsahd_platform_dump_card_state(struct ahd_softc *ahd) 57697883Sgibbs{ 57797883Sgibbs /* Nothing to do here for FreeBSD */ 57897883Sgibbs} 57997883Sgibbs/**************************** Transfer Settings *******************************/ 58097883Sgibbsvoid ahd_notify_xfer_settings_change(struct ahd_softc *, 58197883Sgibbs struct ahd_devinfo *); 58297883Sgibbsvoid ahd_platform_set_tags(struct ahd_softc *, struct ahd_devinfo *, 58397883Sgibbs int /*enable*/); 58497883Sgibbs 58597883Sgibbs/************************* Initialization/Teardown ****************************/ 58697883Sgibbsint ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg); 58797883Sgibbsvoid ahd_platform_free(struct ahd_softc *ahd); 58897883Sgibbsint ahd_map_int(struct ahd_softc *ahd); 58997883Sgibbsint ahd_attach(struct ahd_softc *); 59097883Sgibbsint ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd); 59197883Sgibbsint ahd_detach(device_t); 592107437Sscottl#define ahd_platform_init(arg) 59397883Sgibbs 594107437Sscottl 59597883Sgibbs/****************************** Interrupts ************************************/ 59697883Sgibbsvoid ahd_platform_intr(void *); 59797883Sgibbsstatic __inline void ahd_platform_flushwork(struct ahd_softc *ahd); 59897883Sgibbsstatic __inline void 59997883Sgibbsahd_platform_flushwork(struct ahd_softc *ahd) 60097883Sgibbs{ 60197883Sgibbs} 60297883Sgibbs 60397883Sgibbs/************************ Misc Function Declarations **************************/ 60497883Sgibbsvoid ahd_done(struct ahd_softc *ahd, struct scb *scb); 60597883Sgibbsvoid ahd_send_async(struct ahd_softc *, char /*channel*/, 60697883Sgibbs u_int /*target*/, u_int /*lun*/, ac_code, void *arg); 60797883Sgibbs#endif /* _AIC79XX_FREEBSD_H_ */ 608