Add a tunable for the nvd symlink creation.
Some automation tries to detect if nvd or nda is in used, and the presence of both confuses it. Provide a knob to turn off nvd alias creation (kern.cam.nda.nvd_compat=0) for these situations. The default is the same: create the nvd compat link.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=361866
@ -185,11 +185,14 @@ static int nda_send_ordered = NDA_DEFAULT_SEND_ORDERED;
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static int nda_default_timeout = NDA_DEFAULT_TIMEOUT;
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static int nda_max_trim_entries = NDA_MAX_TRIM_ENTRIES;
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static int nda_enable_biospeedup = 1;
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static int nda_nvd_compat = 1;
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SYSCTL_INT(_kern_cam_nda, OID_AUTO, max_trim, CTLFLAG_RDTUN,
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&nda_max_trim_entries, NDA_MAX_TRIM_ENTRIES,
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"Maximum number of BIO_DELETE to send down as a DSM TRIM.");
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SYSCTL_INT(_kern_cam_nda, OID_AUTO, enable_biospeedup, CTLFLAG_RDTUN,
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&nda_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing");
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&nda_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing.");
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SYSCTL_INT(_kern_cam_nda, OID_AUTO, nvd_compat, CTLFLAG_RDTUN,
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&nda_nvd_compat, 1, "Enable creation of nvd aliases.");
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/*
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* All NVMe media is non-rotational, so all nvme device instances
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@ -950,7 +953,8 @@ ndaregister(struct cam_periph *periph, void *arg)
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/*
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* Add alias for older nvd drives to ease transition.
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*/
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disk_add_alias(disk, "nvd");
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if (nda_nvd_compat)
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disk_add_alias(disk, "nvd");
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/*
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* Acquire a reference to the periph before we register with GEOM.
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