/* * FreeBSD platform specific driver option settings, data structures, * function declarations and includes. * * Copyright (c) 1994-2001 Justin T. Gibbs. * Copyright (c) 2001-2002 Adaptec Inc. * 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: //depot/aic7xxx/freebsd/dev/aic7xxx/aic79xx_osm.h#14 $ * * $FreeBSD$ */ #ifndef _AIC79XX_FREEBSD_H_ #define _AIC79XX_FREEBSD_H_ #include /* for config options */ #include #include #include #include /* For device_t */ #if __FreeBSD_version >= 500000 #include #endif #include #include #include #include #define AHD_PCI_CONFIG 1 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CAM_NEW_TRAN_CODE #define AHD_NEW_TRAN_SETTINGS #endif /* CAM_NEW_TRAN_CODE */ /****************************** Platform Macros *******************************/ #define SIM_IS_SCSIBUS_B(ahd, sim) \ (0) #define SIM_CHANNEL(ahd, sim) \ ('A') #define SIM_SCSI_ID(ahd, sim) \ (ahd->our_id) #define SIM_PATH(ahd, sim) \ (ahd->platform_data->path) #define BUILD_SCSIID(ahd, sim, target_id, our_id) \ ((((target_id) << TID_SHIFT) & TID) | (our_id)) #define SCB_GET_SIM(ahd, scb) \ ((ahd)->platform_data->sim) #ifndef offsetof #define offsetof(type, member) ((size_t)(&((type *)0)->member)) #endif /************************* Forward Declarations *******************************/ typedef device_t ahd_dev_softc_t; typedef union ccb *ahd_io_ctx_t; /***************************** Bus Space/DMA **********************************/ #define ahd_dma_tag_create(ahd, 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 ahd_dma_tag_destroy(ahd, tag) \ bus_dma_tag_destroy(tag) #define ahd_dmamem_alloc(ahd, dmat, vaddr, flags, mapp) \ bus_dmamem_alloc(dmat, vaddr, flags, mapp) #define ahd_dmamem_free(ahd, dmat, vaddr, map) \ bus_dmamem_free(dmat, vaddr, map) #define ahd_dmamap_create(ahd, tag, flags, mapp) \ bus_dmamap_create(tag, flags, mapp) #define ahd_dmamap_destroy(ahd, tag, map) \ bus_dmamap_destroy(tag, map) #define ahd_dmamap_load(ahd, dmat, map, addr, buflen, callback, \ callback_arg, flags) \ bus_dmamap_load(dmat, map, addr, buflen, callback, callback_arg, flags) #define ahd_dmamap_unload(ahd, tag, map) \ bus_dmamap_unload(tag, map) /* XXX Need to update Bus DMA for partial map syncs */ #define ahd_dmamap_sync(ahd, 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 AHD_NSEG (roundup(btoc(MAXPHYS) + 1, 16)) /* This driver supports target mode */ #if NOT_YET #define AHD_TARGET_MODE 1 #endif /************************** Softc/SCB Platform Data ***************************/ struct ahd_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[2]; int regs_res_id[2]; int irq_res_type; struct resource *regs[2]; struct resource *irq; void *ih; eventhandler_tag eh; }; struct scb_platform_data { }; /********************************* Byte Order *********************************/ #if __FreeBSD_version >= 500000 #define ahd_htobe16(x) htobe16(x) #define ahd_htobe32(x) htobe32(x) #define ahd_htobe64(x) htobe64(x) #define ahd_htole16(x) htole16(x) #define ahd_htole32(x) htole32(x) #define ahd_htole64(x) htole64(x) #define ahd_be16toh(x) be16toh(x) #define ahd_be32toh(x) be32toh(x) #define ahd_be64toh(x) be64toh(x) #define ahd_le16toh(x) le16toh(x) #define ahd_le32toh(x) le32toh(x) #define ahd_le64toh(x) le64toh(x) #else #define ahd_htobe16(x) (x) #define ahd_htobe32(x) (x) #define ahd_htobe64(x) (x) #define ahd_htole16(x) (x) #define ahd_htole32(x) (x) #define ahd_htole64(x) (x) #define ahd_be16toh(x) (x) #define ahd_be32toh(x) (x) #define ahd_be64toh(x) (x) #define ahd_le16toh(x) (x) #define ahd_le32toh(x) (x) #define ahd_le64toh(x) (x) #endif /************************** Timer DataStructures ******************************/ typedef struct callout ahd_timer_t; /***************************** Core Includes **********************************/ #if AHD_REG_PRETTY_PRINT #define AIC_DEBUG_REGISTERS 1 #else #define AIC_DEBUG_REGISTERS 0 #endif #include /***************************** Timer Facilities *******************************/ #if __FreeBSD_version >= 500000 #define ahd_timer_init(timer) callout_init(timer, /*mpsafe*/0) #else #define ahd_timer_init callout_init #endif #define ahd_timer_stop callout_stop static __inline void ahd_timer_reset(ahd_timer_t *timer, int usec, ahd_callback_t *func, void *arg) { callout_reset(timer, (usec * hz)/1000000, func, arg); } /*************************** Device Access ************************************/ #define ahd_inb(ahd, port) \ bus_space_read_1((ahd)->tags[(port) >> 8], \ (ahd)->bshs[(port) >> 8], (port) & 0xFF) #define ahd_outb(ahd, port, value) \ bus_space_write_1((ahd)->tags[(port) >> 8], \ (ahd)->bshs[(port) >> 8], (port) & 0xFF, value) #define ahd_inw_atomic(ahd, port) \ ahd_le16toh(bus_space_read_2((ahd)->tags[(port) >> 8], \ (ahd)->bshs[(port) >> 8], (port) & 0xFF)) #define ahd_outw_atomic(ahd, port, value) \ bus_space_write_2((ahd)->tags[(port) >> 8], \ (ahd)->bshs[(port) >> 8], \ (port & 0xFF), ahd_htole16(value)) #define ahd_outsb(ahd, port, valp, count) \ bus_space_write_multi_1((ahd)->tags[(port) >> 8], \ (ahd)->bshs[(port) >> 8], \ (port & 0xFF), valp, count) #define ahd_insb(ahd, port, valp, count) \ bus_space_read_multi_1((ahd)->tags[(port) >> 8], \ (ahd)->bshs[(port) >> 8], \ (port & 0xFF), valp, count) static __inline void ahd_flush_device_writes(struct ahd_softc *); static __inline void ahd_flush_device_writes(struct ahd_softc *ahd) { /* XXX Is this sufficient for all architectures??? */ ahd_inb(ahd, INTSTAT); } /**************************** Locking Primitives ******************************/ /* Lock protecting internal data structures */ static __inline void ahd_lockinit(struct ahd_softc *); static __inline void ahd_lock(struct ahd_softc *, unsigned long *flags); static __inline void ahd_unlock(struct ahd_softc *, unsigned long *flags); /* Lock held during command compeletion to the upper layer */ static __inline void ahd_done_lockinit(struct ahd_softc *); static __inline void ahd_done_lock(struct ahd_softc *, unsigned long *flags); static __inline void ahd_done_unlock(struct ahd_softc *, unsigned long *flags); /* Lock held during ahd_list manipulation and ahd softc frees */ static __inline void ahd_list_lockinit(void); static __inline void ahd_list_lock(unsigned long *flags); static __inline void ahd_list_unlock(unsigned long *flags); static __inline void ahd_lockinit(struct ahd_softc *ahd) { } static __inline void ahd_lock(struct ahd_softc *ahd, unsigned long *flags) { *flags = splcam(); } static __inline void ahd_unlock(struct ahd_softc *ahd, unsigned long *flags) { splx(*flags); } /* Lock held during command compeletion to the upper layer */ static __inline void ahd_done_lockinit(struct ahd_softc *ahd) { } static __inline void ahd_done_lock(struct ahd_softc *ahd, unsigned long *flags) { } static __inline void ahd_done_unlock(struct ahd_softc *ahd, unsigned long *flags) { } /* Lock held during ahd_list manipulation and ahd softc frees */ static __inline void ahd_list_lockinit() { } static __inline void ahd_list_lock(unsigned long *flags) { } static __inline void ahd_list_unlock(unsigned long *flags) { } /****************************** OS Primitives *********************************/ #define ahd_delay DELAY /************************** Transaction Operations ****************************/ static __inline void ahd_set_transaction_status(struct scb *, uint32_t); static __inline void ahd_set_scsi_status(struct scb *, uint32_t); static __inline uint32_t ahd_get_transaction_status(struct scb *); static __inline uint32_t ahd_get_scsi_status(struct scb *); static __inline void ahd_set_transaction_tag(struct scb *, int, u_int); static __inline u_long ahd_get_transfer_length(struct scb *); static __inline int ahd_get_transfer_dir(struct scb *); static __inline void ahd_set_residual(struct scb *, u_long); static __inline void ahd_set_sense_residual(struct scb *, u_long); static __inline u_long ahd_get_residual(struct scb *); static __inline int ahd_perform_autosense(struct scb *); static __inline uint32_t ahd_get_sense_bufsize(struct ahd_softc*, struct scb*); static __inline void ahd_freeze_simq(struct ahd_softc *); static __inline void ahd_release_simq(struct ahd_softc *); static __inline void ahd_freeze_ccb(union ccb *ccb); static __inline void ahd_freeze_scb(struct scb *scb); static __inline void ahd_platform_freeze_devq(struct ahd_softc *, struct scb *); static __inline int ahd_platform_abort_scbs(struct ahd_softc *ahd, int target, char channel, int lun, u_int tag, role_t role, uint32_t status); static __inline void ahd_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 ahd_set_scsi_status(struct scb *scb, uint32_t status) { scb->io_ctx->csio.scsi_status = status; } static __inline uint32_t ahd_get_transaction_status(struct scb *scb) { return (scb->io_ctx->ccb_h.status & CAM_STATUS_MASK); } static __inline uint32_t ahd_get_scsi_status(struct scb *scb) { return (scb->io_ctx->csio.scsi_status); } static __inline void ahd_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 ahd_get_transfer_length(struct scb *scb) { return (scb->io_ctx->csio.dxfer_len); } static __inline int ahd_get_transfer_dir(struct scb *scb) { return (scb->io_ctx->ccb_h.flags & CAM_DIR_MASK); } static __inline void ahd_set_residual(struct scb *scb, u_long resid) { scb->io_ctx->csio.resid = resid; } static __inline void ahd_set_sense_residual(struct scb *scb, u_long resid) { scb->io_ctx->csio.sense_resid = resid; } static __inline u_long ahd_get_residual(struct scb *scb) { return (scb->io_ctx->csio.resid); } static __inline int ahd_perform_autosense(struct scb *scb) { return (!(scb->io_ctx->ccb_h.flags & CAM_DIS_AUTOSENSE)); } static __inline uint32_t ahd_get_sense_bufsize(struct ahd_softc *ahd, struct scb *scb) { return (sizeof(struct scsi_sense_data)); } static __inline void ahd_freeze_simq(struct ahd_softc *ahd) { xpt_freeze_simq(ahd->platform_data->sim, /*count*/1); } static __inline void ahd_release_simq(struct ahd_softc *ahd) { xpt_release_simq(ahd->platform_data->sim, /*run queue*/TRUE); } static __inline void ahd_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 ahd_freeze_scb(struct scb *scb) { ahd_freeze_ccb(scb->io_ctx); } static __inline void ahd_platform_freeze_devq(struct ahd_softc *ahd, struct scb *scb) { /* Nothing to do here for FreeBSD */ } static __inline int ahd_platform_abort_scbs(struct ahd_softc *ahd, 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 ahd_platform_scb_free(struct ahd_softc *ahd, struct scb *scb) { /* What do we do to generically handle driver resource shortages??? */ if ((ahd->flags & AHD_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; ahd->flags &= ~AHD_RESOURCE_SHORTAGE; } scb->io_ctx = NULL; } /********************************** PCI ***************************************/ #ifdef AHD_PCI_CONFIG static __inline uint32_t ahd_pci_read_config(ahd_dev_softc_t pci, int reg, int width); static __inline void ahd_pci_write_config(ahd_dev_softc_t pci, int reg, uint32_t value, int width); static __inline int ahd_get_pci_function(ahd_dev_softc_t); static __inline int ahd_get_pci_slot(ahd_dev_softc_t); static __inline int ahd_get_pci_bus(ahd_dev_softc_t); int ahd_pci_map_registers(struct ahd_softc *ahd); int ahd_pci_map_int(struct ahd_softc *ahd); static __inline uint32_t ahd_pci_read_config(ahd_dev_softc_t pci, int reg, int width) { return (pci_read_config(pci, reg, width)); } static __inline void ahd_pci_write_config(ahd_dev_softc_t pci, int reg, uint32_t value, int width) { pci_write_config(pci, reg, value, width); } static __inline int ahd_get_pci_function(ahd_dev_softc_t pci) { return (pci_get_function(pci)); } static __inline int ahd_get_pci_slot(ahd_dev_softc_t pci) { return (pci_get_slot(pci)); } static __inline int ahd_get_pci_bus(ahd_dev_softc_t pci) { return (pci_get_bus(pci)); } typedef enum { AHD_POWER_STATE_D0, AHD_POWER_STATE_D1, AHD_POWER_STATE_D2, AHD_POWER_STATE_D3 } ahd_power_state; void ahd_power_state_change(struct ahd_softc *ahd, ahd_power_state new_state); #endif /******************************** VL/EISA *************************************/ int aic7770_map_registers(struct ahd_softc *ahd); int aic7770_map_int(struct ahd_softc *ahd, int irq); /********************************* Debug **************************************/ static __inline void ahd_print_path(struct ahd_softc *, struct scb *); static __inline void ahd_platform_dump_card_state(struct ahd_softc *ahd); static __inline void ahd_print_path(struct ahd_softc *ahd, struct scb *scb) { xpt_print_path(scb->io_ctx->ccb_h.path); } static __inline void ahd_platform_dump_card_state(struct ahd_softc *ahd) { /* Nothing to do here for FreeBSD */ } /**************************** Transfer Settings *******************************/ void ahd_notify_xfer_settings_change(struct ahd_softc *, struct ahd_devinfo *); void ahd_platform_set_tags(struct ahd_softc *, struct ahd_devinfo *, int /*enable*/); /************************* Initialization/Teardown ****************************/ int ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg); void ahd_platform_free(struct ahd_softc *ahd); int ahd_map_int(struct ahd_softc *ahd); int ahd_attach(struct ahd_softc *); int ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd); int ahd_detach(device_t); /****************************** Interrupts ************************************/ void ahd_platform_intr(void *); static __inline void ahd_platform_flushwork(struct ahd_softc *ahd); static __inline void ahd_platform_flushwork(struct ahd_softc *ahd) { } /************************ Misc Function Declarations **************************/ timeout_t ahd_timeout; void ahd_done(struct ahd_softc *ahd, struct scb *scb); void ahd_send_async(struct ahd_softc *, char /*channel*/, u_int /*target*/, u_int /*lun*/, ac_code, void *arg); #endif /* _AIC79XX_FREEBSD_H_ */