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@@ -400,8 +400,6 @@ MODULE_PARM_DESC(storvsc_vcpus_per_sub_channel, "Ratio of VCPUs to subchannels")
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*/
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static int storvsc_timeout = 180;
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-static int msft_blist_flags = BLIST_TRY_VPD_PAGES;
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-
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#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
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static struct scsi_transport_template *fc_transport_template;
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#endif
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@@ -1383,6 +1381,22 @@ static int storvsc_do_io(struct hv_device *device,
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return ret;
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}
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+static int storvsc_device_alloc(struct scsi_device *sdevice)
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+{
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+ /*
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+ * Set blist flag to permit the reading of the VPD pages even when
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+ * the target may claim SPC-2 compliance. MSFT targets currently
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+ * claim SPC-2 compliance while they implement post SPC-2 features.
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+ * With this flag we can correctly handle WRITE_SAME_16 issues.
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+ *
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+ * Hypervisor reports SCSI_UNKNOWN type for DVD ROM device but
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+ * still supports REPORT LUN.
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+ */
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+ sdevice->sdev_bflags = BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES;
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+
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+ return 0;
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+}
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+
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static int storvsc_device_configure(struct scsi_device *sdevice)
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{
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@@ -1395,14 +1409,6 @@ static int storvsc_device_configure(struct scsi_device *sdevice)
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sdevice->no_write_same = 1;
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- /*
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- * Add blist flags to permit the reading of the VPD pages even when
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- * the target may claim SPC-2 compliance. MSFT targets currently
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- * claim SPC-2 compliance while they implement post SPC-2 features.
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- * With this patch we can correctly handle WRITE_SAME_16 issues.
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- */
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- sdevice->sdev_bflags |= msft_blist_flags;
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-
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/*
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* If the host is WIN8 or WIN8 R2, claim conformance to SPC-3
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* if the device is a MSFT virtual device. If the host is
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@@ -1661,6 +1667,7 @@ static struct scsi_host_template scsi_driver = {
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.eh_host_reset_handler = storvsc_host_reset_handler,
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.proc_name = "storvsc_host",
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.eh_timed_out = storvsc_eh_timed_out,
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+ .slave_alloc = storvsc_device_alloc,
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.slave_configure = storvsc_device_configure,
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.cmd_per_lun = 255,
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.this_id = -1,
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