Date: Thu, 14 May 2015 21:08:48 +0000 (UTC) From: Peter Grehan <grehan@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r282922 - head/usr.sbin/bhyve Message-ID: <201505142108.t4EL8mYx053584@svn.freebsd.org>
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Author: grehan Date: Thu May 14 21:08:48 2015 New Revision: 282922 URL: https://svnweb.freebsd.org/changeset/base/282922 Log: Bump the size of the blockif scatter-gather list to 67. The Windows virtio driver ignores the advertized seg_max field and assumes the host can accept up to 67 segments in indirect descriptors, triggering an assert in the bhyve process. No objection from: mav Reviewed by: neel Reported and tested by: Leon Dang (ldang@nahannisys.com) MFC after: 2 weeks Modified: head/usr.sbin/bhyve/block_if.h Modified: head/usr.sbin/bhyve/block_if.h ============================================================================== --- head/usr.sbin/bhyve/block_if.h Thu May 14 20:19:22 2015 (r282921) +++ head/usr.sbin/bhyve/block_if.h Thu May 14 21:08:48 2015 (r282922) @@ -39,7 +39,7 @@ #include <sys/uio.h> #include <sys/unistd.h> -#define BLOCKIF_IOV_MAX 33 /* not practical to be IOV_MAX */ +#define BLOCKIF_IOV_MAX 67 /* not practical to be IOV_MAX */ struct blockif_req { struct iovec br_iov[BLOCKIF_IOV_MAX];
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