pseries: added allocator for a block of IRQs

The patch adds a simple helper which allocates a consecutive sequence
of IRQs calling spapr_allocate_irq for each and checks that allocated
IRQs go consequently.

The patch is required for upcoming support of MSI/MSIX on POWER.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/hw/spapr.h b/hw/spapr.h
index b5cf6af..6229769 100644
--- a/hw/spapr.h
+++ b/hw/spapr.h
@@ -290,6 +290,7 @@ target_ulong spapr_hypercall(CPUPPCState *env, target_ulong opcode,
                              target_ulong *args);
 
 int spapr_allocate_irq(int hint, enum xics_irq_type type);
+int spapr_allocate_irq_block(int num, enum xics_irq_type type);
 
 static inline int spapr_allocate_msi(int hint)
 {