HV: move NR_IOAPICS to platform acpi info

The I/O APIC number should be parsed from host ACPI table, so move the
definition from Kconfig to platform_acpi_info.h.

Tracked-On: #1500
Signed-off-by: Victor Sun <victor.sun@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

Author: jsun26intel

hypervisor/arch/x86/Kconfig

@@ -42,11 +42,6 @@ config MAX_VCPUS_PER_VM
 	range 1 8
 	default 4
 
-config NR_IOAPICS
-	int "Maximum number of IOAPICs supported"
-	range 1 2
-	default 1
-
 config MAX_IOMMU_NUM
 	int "Maximum number of iommu dev"
 	range 1 2

hypervisor/arch/x86/ioapic.c

@@ -18,7 +18,7 @@ static struct gsi_table gsi_table[NR_MAX_GSI];
 static uint32_t nr_gsi;
 static spinlock_t ioapic_lock;
 
-static union ioapic_rte saved_rte[CONFIG_NR_IOAPICS][IOAPIC_MAX_PIN];
+static union ioapic_rte saved_rte[NR_IOAPICS][IOAPIC_MAX_PIN];
 
 /*
  * the irq to ioapic pin mapping should extract from ACPI MADT table
@@ -351,7 +351,7 @@ void setup_ioapic_irqs(void)
 	spinlock_init(&ioapic_lock);
 
 	for (ioapic_id = 0U;
-	     ioapic_id < CONFIG_NR_IOAPICS; ioapic_id++) {
+	     ioapic_id < NR_IOAPICS; ioapic_id++) {
 		void *addr;
 		uint8_t pin, nr_pins;
 
@@ -403,7 +403,7 @@ void suspend_ioapic(void)
 {
 	uint8_t ioapic_id, ioapic_pin;
 
-	for (ioapic_id = 0U; ioapic_id < CONFIG_NR_IOAPICS; ioapic_id++) {
+	for (ioapic_id = 0U; ioapic_id < NR_IOAPICS; ioapic_id++) {
 		void *addr;
 		uint8_t nr_pins;
 
@@ -420,7 +420,7 @@ void resume_ioapic(void)
 {
 	uint8_t ioapic_id, ioapic_pin;
 
-	for (ioapic_id = 0U; ioapic_id < CONFIG_NR_IOAPICS; ioapic_id++) {
+	for (ioapic_id = 0U; ioapic_id < NR_IOAPICS; ioapic_id++) {
 		void *addr;
 		uint8_t nr_pins;
 

hypervisor/bsp/include/sbl/platform_acpi_info.h

@@ -12,6 +12,9 @@
 
 #define ACPI_INFO_VALIDATED
 
+/* APIC */
+#define NR_IOAPICS		1U
+
 /* pm sstate data */
 #define PM1A_EVT_SPACE_ID	SPACE_SYSTEM_IO
 #define PM1A_EVT_BIT_WIDTH	0x20U

hypervisor/bsp/include/uefi/platform_acpi_info.h

@@ -10,6 +10,9 @@
 #ifndef PLATFORM_ACPI_INFO_H
 #define PLATFORM_ACPI_INFO_H
 
+/* APIC */
+#define NR_IOAPICS		1U
+
 /* pm sstate data */
 #define PM1A_EVT_SPACE_ID	SPACE_SYSTEM_IO
 #define PM1A_EVT_BIT_WIDTH	0U

hypervisor/include/arch/x86/ioapic.h

@@ -14,7 +14,7 @@
 #define IOAPIC_MAX_LINES	120U
 #define NR_LEGACY_IRQ		16U
 #define NR_LEGACY_PIN		NR_LEGACY_IRQ
-#define NR_MAX_GSI		(CONFIG_NR_IOAPICS * IOAPIC_MAX_LINES)
+#define NR_MAX_GSI		(NR_IOAPICS * IOAPIC_MAX_LINES)
 
 void setup_ioapic_irqs(void);