[1/3] x86/irq: rename NR_ISAIRQS to NR_ISA_IRQS

Commit Message

Denis Mukhin March 15, 2025, 1 a.m. UTC

Rename NR_ISAIRQS to NR_ISA_IRQS to enhance readability.

No functional changes.

Signed-off-by: Denis Mukhin <[e-mail]>
---
 xen/arch/x86/hvm/hvm.c             | 4 ++--
 xen/arch/x86/hvm/vpt.c             | 2 +-
 xen/arch/x86/include/asm/hvm/irq.h | 4 ++--
 xen/arch/x86/physdev.c             | 2 +-
 xen/drivers/passthrough/x86/hvm.c  | 4 ++--
 5 files changed, 8 insertions(+), 8 deletions(-)

Patch

diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 2f31180b6f..5950f3160f 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -633,8 +633,8 @@  int hvm_domain_initialise(struct domain *d,
     /* Set the number of GSIs */
     hvm_domain_irq(d)->nr_gsis = nr_gsis;
 
-    BUILD_BUG_ON(NR_HVM_DOMU_IRQS < NR_ISAIRQS);
-    ASSERT(hvm_domain_irq(d)->nr_gsis >= NR_ISAIRQS);
+    BUILD_BUG_ON(NR_HVM_DOMU_IRQS < NR_ISA_IRQS);
+    ASSERT(hvm_domain_irq(d)->nr_gsis >= NR_ISA_IRQS);
 
     /* need link to containing domain */
     d->arch.hvm.pl_time->domain = d;
diff --git a/xen/arch/x86/hvm/vpt.c b/xen/arch/x86/hvm/vpt.c
index 5e7b9a9f66..4d86830644 100644
--- a/xen/arch/x86/hvm/vpt.c
+++ b/xen/arch/x86/hvm/vpt.c
@@ -491,7 +491,7 @@  void create_periodic_time(
     uint64_t period, uint8_t irq, time_cb *cb, void *data, bool level)
 {
     if ( !pt->source ||
-         (irq >= NR_ISAIRQS && pt->source == PTSRC_isa) ||
+         (irq >= NR_ISA_IRQS && pt->source == PTSRC_isa) ||
          (level && period) ||
          (pt->source == PTSRC_ioapic ? irq >= hvm_domain_irq(v->domain)->nr_gsis
                                      : level) )
diff --git a/xen/arch/x86/include/asm/hvm/irq.h b/xen/arch/x86/include/asm/hvm/irq.h
index 87e89993a4..77595fb3f4 100644
--- a/xen/arch/x86/include/asm/hvm/irq.h
+++ b/xen/arch/x86/include/asm/hvm/irq.h
@@ -134,7 +134,7 @@  struct hvm_girq_dpci_mapping {
     uint8_t machine_gsi;
 };
 
-#define NR_ISAIRQS  16
+#define NR_ISA_IRQS 16
 #define NR_LINK     4
 #define NR_HVM_DOMU_IRQS ARRAY_SIZE(((struct hvm_hw_vioapic *)NULL)->redirtbl)
 
@@ -143,7 +143,7 @@  struct hvm_irq_dpci {
     /* Guest IRQ to guest device/intx mapping. */
     struct list_head girq[NR_HVM_DOMU_IRQS];
     /* Record of mapped ISA IRQs */
-    DECLARE_BITMAP(isairq_map, NR_ISAIRQS);
+    DECLARE_BITMAP(isairq_map, NR_ISA_IRQS);
     /* Record of mapped Links */
     uint8_t link_cnt[NR_LINK];
 };
diff --git a/xen/arch/x86/physdev.c b/xen/arch/x86/physdev.c
index 69fd42667c..4dfa1c0191 100644
--- a/xen/arch/x86/physdev.c
+++ b/xen/arch/x86/physdev.c
@@ -198,7 +198,7 @@  ret_t do_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
 
             /* if this is a level irq and count > 0, send another
              * notification */ 
-            if ( gsi >= NR_ISAIRQS /* ISA irqs are edge triggered */
+            if ( gsi >= NR_ISA_IRQS /* ISA irqs are edge triggered */
                     && hvm_irq->gsi_assert_count[gsi] )
                 send_guest_pirq(currd, pirq);
         }
diff --git a/xen/drivers/passthrough/x86/hvm.c b/xen/drivers/passthrough/x86/hvm.c
index 47de6953fd..a2ca7e0e57 100644
--- a/xen/drivers/passthrough/x86/hvm.c
+++ b/xen/drivers/passthrough/x86/hvm.c
@@ -958,7 +958,7 @@  static void hvm_dpci_isairq_eoi(struct domain *d, unsigned int isairq)
 {
     const struct hvm_irq_dpci *dpci = NULL;
 
-    ASSERT(isairq < NR_ISAIRQS);
+    ASSERT(isairq < NR_ISA_IRQS);
 
     if ( !is_iommu_enabled(d) )
         return;
@@ -991,7 +991,7 @@  void hvm_dpci_eoi(struct domain *d, unsigned int guest_gsi)
         goto unlock;
     }
 
-    if ( guest_gsi < NR_ISAIRQS )
+    if ( guest_gsi < NR_ISA_IRQS )
     {
         hvm_dpci_isairq_eoi(d, guest_gsi);
         return;