diff options
Diffstat (limited to 'sys/dev/aic7xxx/aic7xxx_freebsd.h')
-rw-r--r-- | sys/dev/aic7xxx/aic7xxx_freebsd.h | 516 |
1 files changed, 0 insertions, 516 deletions
diff --git a/sys/dev/aic7xxx/aic7xxx_freebsd.h b/sys/dev/aic7xxx/aic7xxx_freebsd.h deleted file mode 100644 index b12a2d6..0000000 --- a/sys/dev/aic7xxx/aic7xxx_freebsd.h +++ /dev/null @@ -1,516 +0,0 @@ -/* - * FreeBSD platform specific driver option settings, data structures, - * function declarations and includes. - * - * Copyright (c) 1994-2001 Justin T. Gibbs. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU Public License ("GPL"). - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR - * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $Id$ - * - * $FreeBSD$ - */ - -#ifndef _AIC7XXX_FREEBSD_H_ -#define _AIC7XXX_FREEBSD_H_ - -#include <opt_aic7xxx.h> /* for config options */ -#ifndef NPCI -#include <pci.h> -#endif - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> /* For device_t */ -#include <sys/eventhandler.h> -#include <sys/kernel.h> -#include <sys/malloc.h> -#include <sys/queue.h> - -#if NPCI > 0 -#define AHC_PCI_CONFIG 1 -#ifdef AHC_ALLOW_MEMIO -#include <machine/bus_memio.h> -#endif -#endif -#include <machine/bus_pio.h> -#include <machine/bus.h> -#include <machine/clock.h> -#include <machine/resource.h> - -#include <sys/rman.h> - -#if NPCI > 0 -#include <pci/pcireg.h> -#include <pci/pcivar.h> -#endif - -#include <cam/cam.h> -#include <cam/cam_ccb.h> -#include <cam/cam_debug.h> -#include <cam/cam_sim.h> -#include <cam/cam_xpt_sim.h> - -#include <cam/scsi/scsi_all.h> -#include <cam/scsi/scsi_message.h> - -#ifdef CAM_NEW_TRAN_CODE -#define AHC_NEW_TRAN_SETTINGS -#endif /* CAM_NEW_TRAN_CODE */ - -/****************************** Platform Macros *******************************/ -#define SIM_IS_SCSIBUS_B(ahc, sim) \ - ((sim) == ahc->platform_data->sim_b) -#define SIM_CHANNEL(ahc, sim) \ - (((sim) == ahc->platform_data->sim_b) ? 'B' : 'A') -#define SIM_SCSI_ID(ahc, sim) \ - (((sim) == ahc->platform_data->sim_b) ? ahc->our_id_b : ahc->our_id) -#define SIM_PATH(ahc, sim) \ - (((sim) == ahc->platform_data->sim_b) ? ahc->platform_data->path_b \ - : ahc->platform_data->path) -#define BUILD_SCSIID(ahc, sim, target_id, our_id) \ - ((((target_id) << TID_SHIFT) & TID) | (our_id) \ - | (SIM_IS_SCSIBUS_B(ahc, sim) ? TWIN_CHNLB : 0)) - -#define SCB_GET_SIM(ahc, scb) \ - (SCB_GET_CHANNEL(ahc, scb) == 'A' ? (ahc)->platform_data->sim \ - : (ahc)->platform_data->sim_b) - -#ifndef offsetof -#define offsetof(type, member) ((size_t)(&((type *)0)->member)) -#endif -/************************* Forward Declarations *******************************/ -typedef device_t ahc_dev_softc_t; -typedef union ccb *ahc_io_ctx_t; - -/***************************** Bus Space/DMA **********************************/ -#define ahc_dma_tag_create(ahc, parent_tag, alignment, boundary, \ - lowaddr, highaddr, filter, filterarg, \ - maxsize, nsegments, maxsegsz, flags, \ - dma_tagp) \ - bus_dma_tag_create(parent_tag, alignment, boundary, \ - lowaddr, highaddr, filter, filterarg, \ - maxsize, nsegments, maxsegsz, flags, \ - dma_tagp) - -#define ahc_dma_tag_destroy(ahc, tag) \ - bus_dma_tag_destroy(tag) - -#define ahc_dmamem_alloc(ahc, dmat, vaddr, flags, mapp) \ - bus_dmamem_alloc(dmat, vaddr, flags, mapp) - -#define ahc_dmamem_free(ahc, dmat, vaddr, map) \ - bus_dmamem_free(dmat, vaddr, map) - -#define ahc_dmamap_create(ahc, tag, flags, mapp) \ - bus_dmamap_create(tag, flags, mapp) - -#define ahc_dmamap_destroy(ahc, tag, map) \ - bus_dmamap_destroy(tag, map) - -#define ahc_dmamap_load(ahc, dmat, map, addr, buflen, callback, \ - callback_arg, flags) \ - bus_dmamap_load(dmat, map, addr, buflen, callback, callback_arg, flags) - -#define ahc_dmamap_unload(ahc, tag, map) \ - bus_dmamap_unload(tag, map) - -/* XXX Need to update Bus DMA for partial map syncs */ -#define ahc_dmamap_sync(ahc, dma_tag, dmamap, offset, len, op) \ - bus_dmamap_sync(dma_tag, dmamap, op) - -/************************ Tunable Driver Parameters **************************/ -/* - * The number of dma segments supported. The sequencer can handle any number - * of physically contiguous S/G entrys. To reduce the driver's memory - * consumption, we limit the number supported to be sufficient to handle - * the largest mapping supported by the kernel, MAXPHYS. Assuming the - * transfer is as fragmented as possible and unaligned, this turns out to - * be the number of paged sized transfers in MAXPHYS plus an extra element - * to handle any unaligned residual. The sequencer fetches SG elements - * in cacheline sized chucks, so make the number per-transaction an even - * multiple of 16 which should align us on even the largest of cacheline - * boundaries. - */ -#define AHC_NSEG (roundup(btoc(MAXPHYS) + 1, 16)) - -/* This driver supports target mode */ -#define AHC_TARGET_MODE 1 - -/************************** Softc/SCB Platform Data ***************************/ -struct ahc_platform_data { - /* - * Hooks into the XPT. - */ - struct cam_sim *sim; - struct cam_sim *sim_b; - struct cam_path *path; - struct cam_path *path_b; - - int regs_res_type; - int regs_res_id; - int irq_res_type; - struct resource *regs; - struct resource *irq; - void *ih; - eventhandler_tag eh; -}; - -struct scb_platform_data { -}; - -/********************************* Byte Order *********************************/ -/* - * XXX Waiting for FreeBSD byte swapping functions. - * For now assume host is Little Endian. - */ -#define ahc_htobe16(x) x -#define ahc_htobe32(x) x -#define ahc_htobe64(x) x -#define ahc_htole16(x) x -#define ahc_htole32(x) x -#define ahc_htole64(x) x - -#define ahc_be16toh(x) x -#define ahc_be32toh(x) x -#define ahc_be64toh(x) x -#define ahc_le16toh(x) x -#define ahc_le32toh(x) x -#define ahc_le64toh(x) x - -/***************************** Core Includes **********************************/ -#include <dev/aic7xxx/aic7xxx.h> - -/*************************** Device Access ************************************/ -#define ahc_inb(ahc, port) \ - bus_space_read_1((ahc)->tag, (ahc)->bsh, port) - -#define ahc_outb(ahc, port, value) \ - bus_space_write_1((ahc)->tag, (ahc)->bsh, port, value) - -#define ahc_outsb(ahc, port, valp, count) \ - bus_space_write_multi_1((ahc)->tag, (ahc)->bsh, port, valp, count) - -#define ahc_insb(ahc, port, valp, count) \ - bus_space_read_multi_1((ahc)->tag, (ahc)->bsh, port, valp, count) - -static __inline void ahc_flush_device_writes(struct ahc_softc *); - -static __inline void -ahc_flush_device_writes(struct ahc_softc *ahc) -{ - /* XXX Is this sufficient for all architectures??? */ - ahc_inb(ahc, INTSTAT); -} - -/**************************** Locking Primitives ******************************/ -/* Lock protecting internal data structures */ -static __inline void ahc_lockinit(struct ahc_softc *); -static __inline void ahc_lock(struct ahc_softc *, unsigned long *flags); -static __inline void ahc_unlock(struct ahc_softc *, unsigned long *flags); - -/* Lock held during command compeletion to the upper layer */ -static __inline void ahc_done_lockinit(struct ahc_softc *); -static __inline void ahc_done_lock(struct ahc_softc *, unsigned long *flags); -static __inline void ahc_done_unlock(struct ahc_softc *, unsigned long *flags); - -static __inline void -ahc_lockinit(struct ahc_softc *ahc) -{ -} - -static __inline void -ahc_lock(struct ahc_softc *ahc, unsigned long *flags) -{ - *flags = splcam(); -} - -static __inline void -ahc_unlock(struct ahc_softc *ahc, unsigned long *flags) -{ - splx(*flags); -} - -/* Lock held during command compeletion to the upper layer */ -static __inline void -ahc_done_lockinit(struct ahc_softc *ahc) -{ -} - -static __inline void -ahc_done_lock(struct ahc_softc *ahc, unsigned long *flags) -{ -} - -static __inline void -ahc_done_unlock(struct ahc_softc *ahc, unsigned long *flags) -{ -} - -/****************************** OS Primitives *********************************/ -#define ahc_delay DELAY - -/************************** Transaction Operations ****************************/ -static __inline void ahc_set_transaction_status(struct scb *, uint32_t); -static __inline void ahc_set_scsi_status(struct scb *, uint32_t); -static __inline uint32_t ahc_get_transaction_status(struct scb *); -static __inline uint32_t ahc_get_scsi_status(struct scb *); -static __inline void ahc_set_transaction_tag(struct scb *, int, u_int); -static __inline u_long ahc_get_transfer_length(struct scb *); -static __inline int ahc_get_transfer_dir(struct scb *); -static __inline void ahc_set_residual(struct scb *, u_long); -static __inline void ahc_set_sense_residual(struct scb *, u_long); -static __inline u_long ahc_get_residual(struct scb *); -static __inline int ahc_perform_autosense(struct scb *); -static __inline uint32_t ahc_get_sense_bufsize(struct ahc_softc*, struct scb*); -static __inline void ahc_freeze_ccb(union ccb *ccb); -static __inline void ahc_freeze_scb(struct scb *scb); -static __inline void ahc_platform_freeze_devq(struct ahc_softc *, struct scb *); -static __inline int ahc_platform_abort_scbs(struct ahc_softc *ahc, int target, - char channel, int lun, u_int tag, - role_t role, uint32_t status); - -static __inline -void ahc_set_transaction_status(struct scb *scb, uint32_t status) -{ - scb->io_ctx->ccb_h.status &= ~CAM_STATUS_MASK; - scb->io_ctx->ccb_h.status |= status; -} - -static __inline -void ahc_set_scsi_status(struct scb *scb, uint32_t status) -{ - scb->io_ctx->csio.scsi_status = status; -} - -static __inline -uint32_t ahc_get_transaction_status(struct scb *scb) -{ - return (scb->io_ctx->ccb_h.status & CAM_STATUS_MASK); -} - -static __inline -uint32_t ahc_get_scsi_status(struct scb *scb) -{ - return (scb->io_ctx->csio.scsi_status); -} - -static __inline -void ahc_set_transaction_tag(struct scb *scb, int enabled, u_int type) -{ - scb->io_ctx->csio.tag_action = type; - if (enabled) - scb->io_ctx->ccb_h.flags |= CAM_TAG_ACTION_VALID; - else - scb->io_ctx->ccb_h.flags &= ~CAM_TAG_ACTION_VALID; -} - -static __inline -u_long ahc_get_transfer_length(struct scb *scb) -{ - return (scb->io_ctx->csio.dxfer_len); -} - -static __inline -int ahc_get_transfer_dir(struct scb *scb) -{ - return (scb->io_ctx->ccb_h.flags & CAM_DIR_MASK); -} - -static __inline -void ahc_set_residual(struct scb *scb, u_long resid) -{ - scb->io_ctx->csio.resid = resid; -} - -static __inline -void ahc_set_sense_residual(struct scb *scb, u_long resid) -{ - scb->io_ctx->csio.sense_resid = resid; -} - -static __inline -u_long ahc_get_residual(struct scb *scb) -{ - return (scb->io_ctx->csio.resid); -} - -static __inline -int ahc_perform_autosense(struct scb *scb) -{ - return (!(scb->io_ctx->ccb_h.flags & CAM_DIS_AUTOSENSE)); -} - -static __inline uint32_t -ahc_get_sense_bufsize(struct ahc_softc *ahc, struct scb *scb) -{ - return (sizeof(struct scsi_sense_data)); -} - -static __inline void -ahc_freeze_ccb(union ccb *ccb) -{ - if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { - ccb->ccb_h.status |= CAM_DEV_QFRZN; - xpt_freeze_devq(ccb->ccb_h.path, /*count*/1); - } -} - -static __inline void -ahc_freeze_scb(struct scb *scb) -{ - ahc_freeze_ccb(scb->io_ctx); -} - -static __inline void -ahc_platform_freeze_devq(struct ahc_softc *ahc, struct scb *scb) -{ - /* Nothing to do here for FreeBSD */ -} - -static __inline int -ahc_platform_abort_scbs(struct ahc_softc *ahc, int target, - char channel, int lun, u_int tag, - role_t role, uint32_t status) -{ - /* Nothing to do here for FreeBSD */ - return (0); -} - -static __inline void -ahc_platform_scb_free(struct ahc_softc *ahc, struct scb *scb) -{ - /* What do we do to generically handle driver resource shortages??? */ - if ((ahc->flags & AHC_RESOURCE_SHORTAGE) != 0 - && scb->io_ctx != NULL - && (scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { - scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; - ahc->flags &= ~AHC_RESOURCE_SHORTAGE; - } - scb->io_ctx = NULL; -} - -/********************************** PCI ***************************************/ -#ifdef AHC_PCI_CONFIG -static __inline uint32_t ahc_pci_read_config(ahc_dev_softc_t pci, - int reg, int width); -static __inline void ahc_pci_write_config(ahc_dev_softc_t pci, - int reg, uint32_t value, - int width); -static __inline int ahc_get_pci_function(ahc_dev_softc_t); -static __inline int ahc_get_pci_slot(ahc_dev_softc_t); -static __inline int ahc_get_pci_bus(ahc_dev_softc_t); - -int ahc_pci_map_registers(struct ahc_softc *ahc); -int ahc_pci_map_int(struct ahc_softc *ahc); - -static __inline uint32_t -ahc_pci_read_config(ahc_dev_softc_t pci, int reg, int width) -{ - return (pci_read_config(pci, reg, width)); -} - -static __inline void -ahc_pci_write_config(ahc_dev_softc_t pci, int reg, uint32_t value, int width) -{ - pci_write_config(pci, reg, value, width); -} - -static __inline int -ahc_get_pci_function(ahc_dev_softc_t pci) -{ - return (pci_get_function(pci)); -} - -static __inline int -ahc_get_pci_slot(ahc_dev_softc_t pci) -{ - return (pci_get_slot(pci)); -} - -static __inline int -ahc_get_pci_bus(ahc_dev_softc_t pci) -{ - return (pci_get_bus(pci)); -} - -typedef enum -{ - AHC_POWER_STATE_D0, - AHC_POWER_STATE_D1, - AHC_POWER_STATE_D2, - AHC_POWER_STATE_D3 -} ahc_power_state; - -void ahc_power_state_change(struct ahc_softc *ahc, - ahc_power_state new_state); -#endif -/******************************** VL/EISA *************************************/ -int aic7770_map_registers(struct ahc_softc *ahc); -int aic7770_map_int(struct ahc_softc *ahc, int irq); - -/********************************* Debug **************************************/ -static __inline void ahc_print_path(struct ahc_softc *, struct scb *); -static __inline void ahc_platform_dump_card_state(struct ahc_softc *ahc); - -static __inline void -ahc_print_path(struct ahc_softc *ahc, struct scb *scb) -{ - xpt_print_path(scb->io_ctx->ccb_h.path); -} - -static __inline void -ahc_platform_dump_card_state(struct ahc_softc *ahc) -{ - /* Nothing to do here for FreeBSD */ -} -/**************************** Transfer Settings *******************************/ -void ahc_notify_xfer_settings_change(struct ahc_softc *, - struct ahc_devinfo *); -void ahc_platform_set_tags(struct ahc_softc *, struct ahc_devinfo *, - int /*enable*/); - -/************************* Initialization/Teardown ****************************/ -int ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg); -void ahc_platform_free(struct ahc_softc *ahc); -int ahc_attach(struct ahc_softc *); -int ahc_softc_comp(struct ahc_softc *lahc, struct ahc_softc *rahc); -int ahc_detach(device_t); - -/****************************** Interrupts ************************************/ -void ahc_platform_intr(void *); -static __inline void ahc_platform_flushwork(struct ahc_softc *ahc); -static __inline void -ahc_platform_flushwork(struct ahc_softc *ahc) -{ -} - -/************************ Misc Function Declarations **************************/ -timeout_t ahc_timeout; -void ahc_done(struct ahc_softc *ahc, struct scb *scb); -void ahc_send_async(struct ahc_softc *, char /*channel*/, - u_int /*target*/, u_int /*lun*/, ac_code, void *arg); -#endif /* _AIC7XXX_FREEBSD_H_ */ |