spapr_rtas: add ibm, configure-connector RTAS interface
This interface is used to fetch an OF device-tree nodes that describes a
newly-attached device to guest. It is called multiple times to walk the
device-tree node and fetch individual properties into a 'workarea'/buffer
provided by the guest.
The device-tree is generated by QEMU and passed to an sPAPRDRConnector during
the initial hotplug operation, and the state of these RTAS calls is tracked by
the sPAPRDRConnector. When the last of these properties is successfully
fetched, we report as special return value to the guest and transition
the device to a 'configured' state on the QEMU/DRC side.
See docs/specs/ppc-spapr-hotplug.txt for a complete description of
this interface.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 65ef7dd..8622193 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -7,6 +7,7 @@
struct VIOsPAPRBus;
struct sPAPRPHBState;
struct sPAPRNVRAM;
+typedef struct sPAPRConfigureConnectorState sPAPRConfigureConnectorState;
#define HPTE64_V_HPTE_DIRTY 0x0000000000000040ULL
@@ -39,6 +40,9 @@
bool htab_first_pass;
int htab_fd;
bool htab_fd_stale;
+
+ /* RTAS state */
+ QTAILQ_HEAD(, sPAPRConfigureConnectorState) ccs_list;
} sPAPREnvironment;
#define H_SUCCESS 0
@@ -544,6 +548,16 @@
sPAPRTCETable *tcet);
void spapr_pci_switch_vga(bool big_endian);
+/* rtas-configure-connector state */
+struct sPAPRConfigureConnectorState {
+ uint32_t drc_index;
+ int fdt_offset;
+ int fdt_depth;
+ QTAILQ_ENTRY(sPAPRConfigureConnectorState) next;
+};
+
+void spapr_ccs_reset_hook(void *opaque);
+
#define TYPE_SPAPR_RTC "spapr-rtc"
void spapr_rtc_read(DeviceState *dev, struct tm *tm, uint32_t *ns);
