[PATCH for-6.0 2/8] spapr/xive: Introduce spapr_xive_nr_ends()

[Greg Kurz <groug@kaod.org>]

We're going to kill the "nr_ends" field in a subsequent patch.
Prepare ground by using an helper instead of peeking into
the sPAPR XIVE structure directly.

Signed-off-by: Greg Kurz <groug@kaod.org>
---
 include/hw/ppc/spapr_xive.h |  1 +
 hw/intc/spapr_xive.c        | 23 ++++++++++++++---------
 hw/intc/spapr_xive_kvm.c    |  4 ++--
 3 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/include/hw/ppc/spapr_xive.h b/include/hw/ppc/spapr_xive.h
index 26c8d90d7196..4b967f13c030 100644
--- a/include/hw/ppc/spapr_xive.h
+++ b/include/hw/ppc/spapr_xive.h
@@ -75,6 +75,7 @@ void spapr_xive_map_mmio(SpaprXive *xive);
 
 int spapr_xive_end_to_target(uint8_t end_blk, uint32_t end_idx,
                              uint32_t *out_server, uint8_t *out_prio);
+uint32_t spapr_xive_nr_ends(const SpaprXive *xive);
 
 /*
  * KVM XIVE device helpers
diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c
index 60e0d5769dcc..f473ad9cba47 100644
--- a/hw/intc/spapr_xive.c
+++ b/hw/intc/spapr_xive.c
@@ -192,7 +192,7 @@ void spapr_xive_pic_print_info(SpaprXive *xive, Monitor *mon)
             uint32_t end_idx = xive_get_field64(EAS_END_INDEX, eas->w);
             XiveEND *end;
 
-            assert(end_idx < xive->nr_ends);
+            assert(end_idx < spapr_xive_nr_ends(xive));
             end = &xive->endt[end_idx];
 
             if (xive_end_is_valid(end)) {
@@ -270,7 +270,7 @@ static void spapr_xive_reset(void *dev)
     }
 
     /* Clear all ENDs */
-    for (i = 0; i < xive->nr_ends; i++) {
+    for (i = 0; i < spapr_xive_nr_ends(xive); i++) {
         spapr_xive_end_reset(&xive->endt[i]);
     }
 }
@@ -288,6 +288,11 @@ static void spapr_xive_instance_init(Object *obj)
     xive->fd = -1;
 }
 
+uint32_t spapr_xive_nr_ends(const SpaprXive *xive)
+{
+    return xive->nr_ends;
+}
+
 static void spapr_xive_realize(DeviceState *dev, Error **errp)
 {
     SpaprXive *xive = SPAPR_XIVE(dev);
@@ -336,7 +341,7 @@ static void spapr_xive_realize(DeviceState *dev, Error **errp)
      * Allocate the routing tables
      */
     xive->eat = g_new0(XiveEAS, xive->nr_irqs);
-    xive->endt = g_new0(XiveEND, xive->nr_ends);
+    xive->endt = g_new0(XiveEND, spapr_xive_nr_ends(xive));
 
     xive->nodename = g_strdup_printf("interrupt-controller@%" PRIx64,
                            xive->tm_base + XIVE_TM_USER_PAGE * (1 << TM_SHIFT));
@@ -375,7 +380,7 @@ static int spapr_xive_get_end(XiveRouter *xrtr,
 {
     SpaprXive *xive = SPAPR_XIVE(xrtr);
 
-    if (end_idx >= xive->nr_ends) {
+    if (end_idx >= spapr_xive_nr_ends(xive)) {
         return -1;
     }
 
@@ -389,7 +394,7 @@ static int spapr_xive_write_end(XiveRouter *xrtr, uint8_t end_blk,
 {
     SpaprXive *xive = SPAPR_XIVE(xrtr);
 
-    if (end_idx >= xive->nr_ends) {
+    if (end_idx >= spapr_xive_nr_ends(xive)) {
         return -1;
     }
 
@@ -1138,7 +1143,7 @@ static target_ulong h_int_get_source_config(PowerPCCPU *cpu,
     /* EAS_END_BLOCK is unused on sPAPR */
     end_idx = xive_get_field64(EAS_END_INDEX, eas.w);
 
-    assert(end_idx < xive->nr_ends);
+    assert(end_idx < spapr_xive_nr_ends(xive));
     end = &xive->endt[end_idx];
 
     nvt_blk = xive_get_field32(END_W6_NVT_BLOCK, end->w6);
@@ -1216,7 +1221,7 @@ static target_ulong h_int_get_queue_info(PowerPCCPU *cpu,
         return H_P2;
     }
 
-    assert(end_idx < xive->nr_ends);
+    assert(end_idx < spapr_xive_nr_ends(xive));
     end = &xive->endt[end_idx];
 
     args[0] = xive->end_base + (1ull << (end_xsrc->esb_shift + 1)) * end_idx;
@@ -1304,7 +1309,7 @@ static target_ulong h_int_set_queue_config(PowerPCCPU *cpu,
         return H_P2;
     }
 
-    assert(end_idx < xive->nr_ends);
+    assert(end_idx < spapr_xive_nr_ends(xive));
     memcpy(&end, &xive->endt[end_idx], sizeof(XiveEND));
 
     switch (qsize) {
@@ -1470,7 +1475,7 @@ static target_ulong h_int_get_queue_config(PowerPCCPU *cpu,
         return H_P2;
     }
 
-    assert(end_idx < xive->nr_ends);
+    assert(end_idx < spapr_xive_nr_ends(xive));
     end = &xive->endt[end_idx];
 
     args[0] = 0;
diff --git a/hw/intc/spapr_xive_kvm.c b/hw/intc/spapr_xive_kvm.c
index 66bf4c06fe55..1566016f0e28 100644
--- a/hw/intc/spapr_xive_kvm.c
+++ b/hw/intc/spapr_xive_kvm.c
@@ -531,7 +531,7 @@ static int kvmppc_xive_get_queues(SpaprXive *xive, Error **errp)
     int i;
     int ret;
 
-    for (i = 0; i < xive->nr_ends; i++) {
+    for (i = 0; i < spapr_xive_nr_ends(xive); i++) {
         if (!xive_end_is_valid(&xive->endt[i])) {
             continue;
         }
@@ -701,7 +701,7 @@ int kvmppc_xive_post_load(SpaprXive *xive, int version_id)
     assert(xive->fd != -1);
 
     /* Restore the ENDT first. The targetting depends on it. */
-    for (i = 0; i < xive->nr_ends; i++) {
+    for (i = 0; i < spapr_xive_nr_ends(xive); i++) {
         if (!xive_end_is_valid(&xive->endt[i])) {
             continue;
         }
-- 
2.26.2