/* $NetBSD: mpt_netbsd.h,v 1.6 2007/07/27 13:06:51 tron Exp $ */ /* * Copyright (c) 2003 Wasabi Systems, Inc. * All rights reserved. * * Written by Jason R. Thorpe for Wasabi Systems, Inc. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC * 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. */ /* * Copyright (c) 2000, 2001 by Greg Ansley, Adam Prewett * * Partially derived from Matt Jacobs ISP driver. * * 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 immediately at the beginning of the file, without modification, * this list of conditions, and the following disclaimer. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * 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 */ /* * Additional Copyright (c) 2002 by Matthew Jacob under same license. */ /* * mpt_netbsd.h: * * NetBSD-specific definitions for LSI Fusion adapters. * * Adapted from the FreeBSD "mpt" driver by Jason R. Thorpe for * Wasabi Systems, Inc. * * Additional contributions by Garrett D'Amore on behalf of TELES AG. */ #ifndef _DEV_IC_MPT_NETBSD_H_ #define _DEV_IC_MPT_NETBSD_H_ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Max MPT Reply we are willing to accept (must be a power of 2). */ #define MPT_REPLY_SIZE 128 #define MPT_MAX_REQUESTS(mpt) ((mpt)->is_fc ? 1024 : 256) #define MPT_REQUEST_AREA 512 #define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_AREA */ #define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA) /* * We cannot tell prior to getting IOC facts how big the IOC's request * area is. Because of this we cannot tell at compile time how many * simple SG elements we can fit within an IOC request prior to having * to put in a chain element. * * Experimentally we know that the Ultra4 parts have a 96 byte request * element size and the Fibre Channel units have a 144 byte request * element size. Therefore, if we have 512-32 (== 480) bytes of request * area to play with, we have room for between 3 and 5 request sized * regions- the first of which is the command plus a simple SG list, * the rest of which are chained continuation SG lists. Given that the * normal request we use is 48 bytes w/o the first SG element, we can * assume we have 480-48 == 432 bytes to have simple SG elements and/or * chain elements. If we assume 32 bit addressing, this works out to * 54 SG or chain elements. If we assume 5 chain elements, then we have * a maximum of 49 separate actual SG segments. */ #define MPT_SGL_MAX 49 #define MPT_RQSL(mpt) ((mpt)->request_frame_size << 2) #define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof(SGE_SIMPLE32)) #define MPT_NSGL_FIRST(mpt) \ ((((mpt)->request_frame_size << 2) - \ sizeof(MSG_SCSI_IO_REQUEST) - \ sizeof(SGE_IO_UNION)) / sizeof(SGE_SIMPLE32)) /* * Convert a physical address returned from IOC to a virtual address * needed to access the data. */ #define MPT_REPLY_PTOV(m, x) \ ((void *)(&(m)->reply[(((x) << 1) - (m)->reply_phys)])) enum mpt_req_state { REQ_FREE, REQ_IN_PROGRESS, REQ_TIMEOUT, REQ_ON_CHIP, REQ_DONE }; typedef struct req_entry { uint16_t index; /* index of this entry */ struct scsipi_xfer *xfer; /* scsipi xfer request */ void *req_vbuf; /* virtual address of entry */ void *sense_vbuf; /* virtual address of sense data */ bus_addr_t req_pbuf; /* physical address of entry */ bus_addr_t sense_pbuf; /* physical address of sense data */ bus_dmamap_t dmap; /* DMA map for data buffer */ SLIST_ENTRY(req_entry) link; /* pointer to next in list */ enum mpt_req_state debug; /* debugging */ uint32_t sequence; /* sequence number */ } request_t; typedef struct mpt_softc { struct device sc_dev; /* base device glue */ /* Locking context */ int mpt_splsaved; uint32_t mpt_islocked; int verbose : 3, mpt_locksetup : 1, is_fc : 1, is_scsi : 1, is_sas : 1, bus : 1, : 23; /* IOC facts */ uint16_t mpt_global_credits; uint16_t request_frame_size; uint8_t mpt_max_devices; uint8_t mpt_max_buses; /* Port facts */ uint16_t mpt_ini_id; /* Device configuration information */ union { struct mpt_spi_cfg { fCONFIG_PAGE_SCSI_PORT_0 _port_page0; fCONFIG_PAGE_SCSI_PORT_1 _port_page1; fCONFIG_PAGE_SCSI_PORT_2 _port_page2; fCONFIG_PAGE_SCSI_DEVICE_0 _dev_page0[16]; fCONFIG_PAGE_SCSI_DEVICE_1 _dev_page1[16]; uint16_t _tag_enable; uint16_t _disc_enable; uint16_t _update_params0; uint16_t _update_params1; uint16_t _report_xfer_mode; } spi; #define mpt_port_page0 cfg.spi._port_page0 #define mpt_port_page1 cfg.spi._port_page1 #define mpt_port_page2 cfg.spi._port_page2 #define mpt_dev_page0 cfg.spi._dev_page0 #define mpt_dev_page1 cfg.spi._dev_page1 #define mpt_tag_enable cfg.spi._tag_enable #define mpt_disc_enable cfg.spi._disc_enable #define mpt_update_params0 cfg.spi._update_params0 #define mpt_update_params1 cfg.spi._update_params1 #define mpt_report_xfer_mode cfg.spi._report_xfer_mode struct mpt_fc_cfg { uint8_t nada; } fc; } cfg; bus_space_tag_t sc_st; bus_space_handle_t sc_sh; bus_dma_tag_t sc_dmat; /* Reply memory */ bus_dmamap_t reply_dmap; char *reply; bus_addr_t reply_phys; /* Request memory */ bus_dmamap_t request_dmap; char *request; bus_addr_t request_phys; /* SCSIPI and software management */ request_t *request_pool; SLIST_HEAD(req_queue, req_entry) request_free_list; struct scsipi_adapter sc_adapter; struct scsipi_channel sc_channel; uint32_t sequence; /* sequence number */ uint32_t timeouts; /* timeout count */ uint32_t success; /* success after timeout */ /* To restore configuration after hard reset. */ void (*sc_set_config_regs)(struct mpt_softc *); } mpt_softc_t; #define MPT_SYNC_REQ(mpt, req, ops) \ bus_dmamap_sync((mpt)->sc_dmat, (mpt)->request_dmap, \ (req)->req_pbuf - (mpt)->request_phys, \ MPT_REQUEST_AREA, (ops)) #define mpt_read(mpt, reg) \ bus_space_read_4((mpt)->sc_st, (mpt)->sc_sh, (reg)) #define mpt_write(mpt, reg, val) \ bus_space_write_4((mpt)->sc_st, (mpt)->sc_sh, (reg), (val)) void mpt_scsipi_attach(mpt_softc_t *); int mpt_dma_mem_alloc(mpt_softc_t *); int mpt_intr(void *); void mpt_prt(mpt_softc_t *, const char *, ...); #define mpt_set_config_regs(mpt) \ do { \ if ((mpt)->sc_set_config_regs != NULL) \ (*(mpt)->sc_set_config_regs)((mpt)); \ } while (/*CONSTCOND*/0) #endif /* _DEV_IC_MPT_NETBSD_H_ */