From owner-svn-src-head@FreeBSD.ORG Mon Mar 23 19:27:24 2009 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0E0F71065673; Mon, 23 Mar 2009 19:27:24 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id F12968FC12; Mon, 23 Mar 2009 19:27:23 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id n2NJRNAx018465; Mon, 23 Mar 2009 19:27:23 GMT (envelope-from jhb@svn.freebsd.org) Received: (from jhb@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id n2NJRN3x018462; Mon, 23 Mar 2009 19:27:23 GMT (envelope-from jhb@svn.freebsd.org) Message-Id: <200903231927.n2NJRN3x018462@svn.freebsd.org> From: John Baldwin Date: Mon, 23 Mar 2009 19:27:23 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r190329 - head/sys/dev/twa X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Mar 2009 19:27:24 -0000 Author: jhb Date: Mon Mar 23 19:27:23 2009 New Revision: 190329 URL: http://svn.freebsd.org/changeset/base/190329 Log: Reenable 64-bit DMA for twa(4) controllers, but use a boundary of 4GB to prevent individual transactions from crossing a 4GB address boundary. Due to bus_size_t type limitations, the driver uses a 2GB boundary in PAE kernels. Reviewed by: scottl MFC after: 1 week Modified: head/sys/dev/twa/tw_cl_init.c head/sys/dev/twa/tw_osl.h head/sys/dev/twa/tw_osl_freebsd.c Modified: head/sys/dev/twa/tw_cl_init.c ============================================================================== --- head/sys/dev/twa/tw_cl_init.c Mon Mar 23 19:10:38 2009 (r190328) +++ head/sys/dev/twa/tw_cl_init.c Mon Mar 23 19:27:23 2009 (r190329) @@ -692,7 +692,7 @@ tw_cli_init_connection(struct tw_cli_ctl init_connect->message_credits = TW_CL_SWAP16(message_credits); init_connect->features = TW_CL_SWAP32(set_features); if (ctlr->flags & TW_CL_64BIT_ADDRESSES) - init_connect->features |= TWA_64BIT_SG_ADDRESSES; + init_connect->features |= TW_CL_SWAP32(TWA_64BIT_SG_ADDRESSES); if (set_features & TWA_EXTENDED_INIT_CONNECT) { /* * Fill in the extra fields needed for an extended Modified: head/sys/dev/twa/tw_osl.h ============================================================================== --- head/sys/dev/twa/tw_osl.h Mon Mar 23 19:10:38 2009 (r190328) +++ head/sys/dev/twa/tw_osl.h Mon Mar 23 19:27:23 2009 (r190329) @@ -57,6 +57,12 @@ #define TW_OSLI_DEFERRED_INTR_USED */ +#ifdef PAE +#define TW_OSLI_DMA_BOUNDARY (1u << 31) +#else +#define TW_OSLI_DMA_BOUNDARY ((bus_size_t)((uint64_t)1 << 32)) +#endif + /* Possible values of req->state. */ #define TW_OSLI_REQ_STATE_INIT 0x0 /* being initialized */ #define TW_OSLI_REQ_STATE_BUSY 0x1 /* submitted to CL */ Modified: head/sys/dev/twa/tw_osl_freebsd.c ============================================================================== --- head/sys/dev/twa/tw_osl_freebsd.c Mon Mar 23 19:10:38 2009 (r190328) +++ head/sys/dev/twa/tw_osl_freebsd.c Mon Mar 23 19:27:23 2009 (r190329) @@ -491,8 +491,8 @@ tw_osli_alloc_mem(struct twa_softc *sc) /* Create the parent dma tag. */ if (bus_dma_tag_create(NULL, /* parent */ sc->alignment, /* alignment */ - 0, /* boundary */ - BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ + TW_OSLI_DMA_BOUNDARY, /* boundary */ + BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ TW_CL_MAX_IO_SIZE, /* maxsize */ @@ -515,7 +515,7 @@ tw_osli_alloc_mem(struct twa_softc *sc) if (bus_dma_tag_create(sc->parent_tag, /* parent */ sc->alignment, /* alignment */ 0, /* boundary */ - BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ + BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ dma_mem_size, /* maxsize */ @@ -562,7 +562,7 @@ tw_osli_alloc_mem(struct twa_softc *sc) if (bus_dma_tag_create(sc->parent_tag, /* parent */ sc->alignment, /* alignment */ 0, /* boundary */ - BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ + BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ TW_CL_MAX_IO_SIZE, /* maxsize */ @@ -588,7 +588,7 @@ tw_osli_alloc_mem(struct twa_softc *sc) if (bus_dma_tag_create(sc->parent_tag, /* parent */ sc->alignment, /* alignment */ 0, /* boundary */ - BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ + BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ TW_CL_MAX_IO_SIZE, /* maxsize */ @@ -1347,7 +1347,7 @@ static TW_VOID twa_map_load_callback(TW_VOID *arg, bus_dma_segment_t *segs, TW_INT32 nsegments, TW_INT32 error) { - *((bus_addr_t *)arg) = segs[0].ds_addr; + *((TW_UINT64 *)arg) = segs[0].ds_addr; }