Date: Tue, 18 Jul 2000 14:26:19 -0600 From: "Justin T. Gibbs" <gibbs@plutotech.com> To: mjacob@feral.com Cc: "Justin T. Gibbs" <gibbs@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/cam cam_ccb.h cam_xpt.c src/sys/cam/scsi scsi_all.c scsi_message.h src/sys/dev/aic7xxx aicasm_insformat.h 93cx6.c 93cx6.h ahc_eisa.c ahc_pci.c aic7xxx.c aic7xxx.h aic7xxx.reg aic7xxx.seq aicasm.c aicasm.h aicasm_gram.y ... Message-ID: <200007182025.OAA53788@pluto.plutotech.com> In-Reply-To: Your message of "Tue, 18 Jul 2000 13:16:33 PDT." <Pine.BSF.4.05.10007181316120.3387-100000@semuta.feral.com>
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> >Whew! > >What's the '39 bit addressing'? In the past, the S/G format looked like: uint8_t address[4]; uint8_t datalen[3]; uint8_t spare; Through some firmware manipulation, that last byte, other than a flag bit, can be used as the 5th byte of the address. >Also- maybe it's time to start considering 64 bit PCI I'm hoping that being able to address 512GB will be enough for a while. I'd rather not expand the size of the S/G list members for address space no-one will be touching for the foreseeable future. -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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