Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
hw/ppc/spapr.c | 36 ++++++++++++++++++++++++++++++++++++
include/hw/ppc/spapr.h | 2 ++
2 files changed, 38 insertions(+)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 0607559..2250ee1 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -277,6 +277,42 @@ static size_t create_page_sizes_prop(CPUPPCState *env,
uint32_t *prop,
return (p - prop) * sizeof(uint32_t);
}
+DrcEntry *spapr_phb_to_drc_entry(uint64_t buid)
+{
+ int i;
+
+ for (i = 0; i < SPAPR_DRC_TABLE_SIZE; i++) {
+ if (drc_table[i].phb_buid == buid) {
+ return &drc_table[i];
+ }
+ }
+
+ return NULL;
+}
+
+DrcEntry *spapr_find_drc_entry(int drc_index)
+{
+ int i, j;
+
+ for (i = 0; i < SPAPR_DRC_TABLE_SIZE; i++) {
+ DrcEntry *phb_entry = &drc_table[i];
+ if (phb_entry->drc_index == drc_index) {
+ return phb_entry;
+ }
+ if (phb_entry->child_entries == NULL) {
+ continue;
+ }
+ for (j = 0; j < SPAPR_DRC_PHB_SLOT_MAX; j++) {
+ DrcEntry *entry = &phb_entry->child_entries[j];
+ if (entry->drc_index == drc_index) {
+ return entry;
+ }
+ }
+ }
+
+ return NULL;
+}
+
static void spapr_init_drc_table(void)
{
int i;
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 55304c5..b3e6d4f 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -365,6 +365,8 @@ struct DrcEntry {
extern DrcEntry drc_table[SPAPR_DRC_TABLE_SIZE];
DrcEntry *spapr_add_phb_to_drc_table(uint64_t buid, uint32_t state);
+DrcEntry *spapr_phb_to_drc_entry(uint64_t buid);
+DrcEntry *spapr_find_drc_entry(int drc_index);
extern sPAPREnvironment *spapr;
--
1.7.9.5
