Date: Tue, 26 Mar 2013 21:42:53 +0000 (UTC) From: Jim Harris <jimharris@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r248764 - head/sys/dev/nvme Message-ID: <201303262142.r2QLgr0J024120@svn.freebsd.org>
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Author: jimharris Date: Tue Mar 26 21:42:53 2013 New Revision: 248764 URL: http://svnweb.freebsd.org/changeset/base/248764 Log: Set Pre-boot Software Load Count to 0 at the end of the controller start process. The spec indicates the OS driver should use Set Features (Software Progress Marker) to set the pre-boot software load count to 0 after the OS driver has successfully been initialized. This allows pre-boot software to determine if there have been any issues with the OS loading. Sponsored by: Intel Reviewed by: carl Modified: head/sys/dev/nvme/nvme_ctrlr.c Modified: head/sys/dev/nvme/nvme_ctrlr.c ============================================================================== --- head/sys/dev/nvme/nvme_ctrlr.c Tue Mar 26 21:19:26 2013 (r248763) +++ head/sys/dev/nvme/nvme_ctrlr.c Tue Mar 26 21:42:53 2013 (r248764) @@ -762,6 +762,16 @@ nvme_ctrlr_start(void *ctrlr_arg) for (i = 0; i < ctrlr->num_io_queues; i++) nvme_io_qpair_enable(&ctrlr->ioq[i]); + + /* + * Clear software progress marker to 0, to indicate to pre-boot + * software that OS driver load was successful. + * + * Chatham does not support this feature. + */ + if (pci_get_devid(ctrlr->dev) != CHATHAM_PCI_ID) + nvme_ctrlr_cmd_set_feature(ctrlr, + NVME_FEAT_SOFTWARE_PROGRESS_MARKER, 0, NULL, 0, NULL, NULL); } void
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