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authorDaniel Henrique Barboza <danielhb413@gmail.com>2021-09-06 21:47:54 -0300
committerDavid Gibson <david@gibson.dropbear.id.au>2021-09-30 12:26:06 +1000
commit4b08cd567b54e26a0608463311418197dda83e37 (patch)
tree1275b576ef585124250d281de06d21c32d8fa71b /hw/ppc/spapr_drc.c
parentd43f1670c7908ee4bd5911ee562053b782c63f6e (diff)
spapr: use DEVICE_UNPLUG_GUEST_ERROR to report unplug errors
Linux Kernel 5.12 is now unisolating CPU DRCs in the device_removal error path, signalling that the hotunplug process wasn't successful. This allow us to send a DEVICE_UNPLUG_GUEST_ERROR in drc_unisolate_logical() to signal this error to the management layer. We also have another error path in spapr_memory_unplug_rollback() for configured LMB DRCs. Kernels older than 5.13 will not unisolate the LMBs in the hotunplug error path, but it will reconfigure them. Let's send the DEVICE_UNPLUG_GUEST_ERROR event in that code path as well to cover the case of older kernels. Acked-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Greg Kurz <groug@kaod.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20210907004755.424931-7-danielhb413@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/ppc/spapr_drc.c')
-rw-r--r--hw/ppc/spapr_drc.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
index a4d9496f76..f8ac0a10df 100644
--- a/hw/ppc/spapr_drc.c
+++ b/hw/ppc/spapr_drc.c
@@ -17,6 +17,8 @@
#include "hw/ppc/spapr_drc.h"
#include "qom/object.h"
#include "migration/vmstate.h"
+#include "qapi/error.h"
+#include "qapi/qapi-events-qdev.h"
#include "qapi/visitor.h"
#include "qemu/error-report.h"
#include "hw/ppc/spapr.h" /* for RTAS return codes */
@@ -173,10 +175,9 @@ static uint32_t drc_unisolate_logical(SpaprDrc *drc)
"for device %s", drc->dev->id);
}
- /*
- * TODO: send a QAPI DEVICE_UNPLUG_ERROR event when
- * it is implemented.
- */
+ qapi_event_send_device_unplug_guest_error(!!drc->dev->id,
+ drc->dev->id,
+ drc->dev->canonical_path);
}
return RTAS_OUT_SUCCESS; /* Nothing to do */