xen: introduce xen_pv_disks_disabled()
ARM guest is considered as HVM in Freebsd but they only support PV disk (no emulation available). Submitted by: Elliott Mitchell <ehem+freebsd@m5p.com> Reviewed by: royger Differential Revision: https://reviews.freebsd.org/D29403
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@ -1439,7 +1439,7 @@ xbd_probe(device_t dev)
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if (strcmp(xenbus_get_type(dev), "vbd") != 0)
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if (strcmp(xenbus_get_type(dev), "vbd") != 0)
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return (ENXIO);
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return (ENXIO);
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if (xen_hvm_domain() && xen_disable_pv_disks != 0)
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if (xen_pv_disks_disabled())
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return (ENXIO);
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return (ENXIO);
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if (xen_hvm_domain()) {
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if (xen_hvm_domain()) {
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@ -43,9 +43,19 @@
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/* If non-zero, the hypervisor has been configured to use a direct vector */
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/* If non-zero, the hypervisor has been configured to use a direct vector */
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extern int xen_vector_callback_enabled;
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extern int xen_vector_callback_enabled;
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/* tunable for disabling PV disks */
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extern int xen_disable_pv_disks;
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/* tunable for disabling PV nics */
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/* tunable for disabling PV nics */
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extern int xen_disable_pv_nics;
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extern int xen_disable_pv_nics;
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static inline bool
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xen_pv_disks_disabled(void)
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{
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return (xen_hvm_domain() && xen_disable_pv_disks != 0);
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}
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static inline bool
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static inline bool
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xen_pv_nics_disabled(void)
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xen_pv_nics_disabled(void)
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{
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{
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@ -74,8 +74,6 @@ xen_get_console_evtchn(void)
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extern shared_info_t *HYPERVISOR_shared_info;
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extern shared_info_t *HYPERVISOR_shared_info;
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extern int xen_disable_pv_disks;
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extern bool xen_suspend_cancelled;
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extern bool xen_suspend_cancelled;
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enum xen_domain_type {
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enum xen_domain_type {
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