/*- * Copyright (c) 2000 Michael Smith * Copyright (c) 2003 Paul Saab * Copyright (c) 2003 Vinod Kashyap * Copyright (c) 2000 BSDi * 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. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 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. * * $FreeBSD$ */ /* * Portability and compatibility interfaces. */ #ifdef __FreeBSD__ /****************************************************************************** * FreeBSD */ #define TWE_SUPPORTED_PLATFORM #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define TWE_DRIVER_NAME twe #define TWED_DRIVER_NAME twed #define TWE_MALLOC_CLASS M_TWE /* * Wrappers for bus-space actions */ #define TWE_CONTROL(sc, val) bus_space_write_4((sc)->twe_btag, (sc)->twe_bhandle, 0x0, (u_int32_t)val) #define TWE_STATUS(sc) (u_int32_t)bus_space_read_4((sc)->twe_btag, (sc)->twe_bhandle, 0x4) #define TWE_COMMAND_QUEUE(sc, val) bus_space_write_4((sc)->twe_btag, (sc)->twe_bhandle, 0x8, (u_int32_t)val) #define TWE_RESPONSE_QUEUE(sc) (TWE_Response_Queue)bus_space_read_4((sc)->twe_btag, (sc)->twe_bhandle, 0xc) /* * FreeBSD-specific softc elements */ #define TWE_PLATFORM_SOFTC \ bus_dmamap_t twe_cmdmap; /* DMA map for command */ \ u_int32_t twe_cmdphys; /* address of command in controller space */ \ device_t twe_dev; /* bus device */ \ struct cdev *twe_dev_t; /* control device */ \ struct resource *twe_io; /* register interface window */ \ bus_space_handle_t twe_bhandle; /* bus space handle */ \ bus_space_tag_t twe_btag; /* bus space tag */ \ bus_dma_tag_t twe_parent_dmat; /* parent DMA tag */ \ bus_dma_tag_t twe_buffer_dmat; /* data buffer DMA tag */ \ bus_dma_tag_t twe_cmd_dmat; /* command buffer DMA tag */ \ bus_dma_tag_t twe_immediate_dmat; /* command buffer DMA tag */ \ struct resource *twe_irq; /* interrupt */ \ void *twe_intr; /* interrupt handle */ \ struct intr_config_hook twe_ich; /* delayed-startup hook */ \ void *twe_cmd; /* command structures */ \ void *twe_immediate; /* immediate commands */ \ bus_dmamap_t twe_immediate_map; \ struct sysctl_ctx_list sysctl_ctx; \ struct sysctl_oid *sysctl_tree; /* * FreeBSD-specific request elements */ #define TWE_PLATFORM_REQUEST \ bus_dmamap_t tr_dmamap; /* DMA map for data */ \ u_int32_t tr_dataphys; /* data buffer base address in controller space */ /* * Output identifying the controller/disk */ #define twe_printf(sc, fmt, args...) device_printf(sc->twe_dev, fmt , ##args) #define twed_printf(twed, fmt, args...) device_printf(twed->twed_dev, fmt , ##args) #if __FreeBSD_version < 500003 # include # define INTR_ENTROPY 0 # define FREEBSD_4 # include /* old buf style */ typedef struct buf twe_bio; typedef struct buf_queue_head twe_bioq; # define TWE_BIO_QINIT(bq) bufq_init(&bq); # define TWE_BIO_QINSERT(bq, bp) bufq_insert_tail(&bq, bp) # define TWE_BIO_QFIRST(bq) bufq_first(&bq) # define TWE_BIO_QREMOVE(bq, bp) bufq_remove(&bq, bp) # define TWE_BIO_IS_READ(bp) ((bp)->b_flags & B_READ) # define TWE_BIO_DATA(bp) (bp)->b_data # define TWE_BIO_LENGTH(bp) (bp)->b_bcount # define TWE_BIO_LBA(bp) (bp)->b_pblkno # define TWE_BIO_SOFTC(bp) (bp)->b_dev->si_drv1 # define TWE_BIO_UNIT(bp) *(int *)((bp)->b_dev->si_drv2) # define TWE_BIO_SET_ERROR(bp, err) do { (bp)->b_error = err; (bp)->b_flags |= B_ERROR;} while(0) # define TWE_BIO_HAS_ERROR(bp) ((bp)->b_flags & B_ERROR) # define TWE_BIO_RESID(bp) (bp)->b_resid # define TWE_BIO_DONE(bp) biodone(bp) # define TWE_BIO_STATS_START(bp) devstat_start_transaction(&((struct twed_softc *)TWE_BIO_SOFTC(bp))->twed_stats) # define TWE_BIO_STATS_END(bp) devstat_end_transaction_buf(&((struct twed_softc *)TWE_BIO_SOFTC(bp))->twed_stats, bp) #else # include # include typedef struct bio twe_bio; typedef struct bio_queue_head twe_bioq; # define TWE_BIO_QINIT(bq) bioq_init(&bq); # define TWE_BIO_QINSERT(bq, bp) bioq_insert_tail(&bq, bp) # define TWE_BIO_QFIRST(bq) bioq_first(&bq) # define TWE_BIO_QREMOVE(bq, bp) bioq_remove(&bq, bp) # define TWE_BIO_IS_READ(bp) ((bp)->bio_cmd == BIO_READ) # define TWE_BIO_DATA(bp) (bp)->bio_data # define TWE_BIO_LENGTH(bp) (bp)->bio_bcount # define TWE_BIO_LBA(bp) (bp)->bio_pblkno # define TWE_BIO_SOFTC(bp) (bp)->bio_disk->d_drv1 # define TWE_BIO_UNIT(bp) *(int *)(bp->bio_driver1) # define TWE_BIO_SET_ERROR(bp, err) do { (bp)->bio_error = err; (bp)->bio_flags |= BIO_ERROR;} while(0) # define TWE_BIO_HAS_ERROR(bp) ((bp)->bio_flags & BIO_ERROR) # define TWE_BIO_RESID(bp) (bp)->bio_resid # define TWE_BIO_DONE(bp) biodone(bp) # define TWE_BIO_STATS_START(bp) # define TWE_BIO_STATS_END(bp) #endif #endif /* FreeBSD */ #ifndef TWE_SUPPORTED_PLATFORM #error platform not supported #endif