MFC r256994, r257016, r257055, r257059, r257060, r257075

  Add two new interfaces to ofw_bus:
  - ofw_bus_map_intr()
    Maps an (iparent, IRQ) tuple to a system-global interrupt number in some
    platform dependent way. This is meant to be implemented as a replacement
    for [FDT_]MAP_IRQ() that is an MI interface that knows about the bus
    hierarchy.
  - ofw_bus_config_intr()
    Configures an interrupt (previously mapped) based on firmware sense flags.
    This replaces manual interpretation of the sense field in bus drivers and
    will, in a follow-up, allow that interpretation to be redirected to the PIC
    drivers where it belongs. This will eventually replace the tables in
    /sys/dev/fdt/fdt_ARCH.c

  The PowerPC/AIM code has been converted to use these globally, with an
  implementation in terms of MAP_IRQ() and powerpc_config_intr(), assuming
  OpenPIC, at the bus root in nexus(4). The ofw_bus_config_intr() will shortly
  be integrated into pic_if.m and bounced through nexus into the PIC tree.

  Factor out MI portions of the PowerPC nexus device into /sys/dev/ofw. The
  sparc64 driver will be modified to use this shortly.

  Allow PIC drivers to translate firmware sense codes for themselves. This
  is designed to replace the tables in dev/fdt/fdt_ARCH.c, but will not
  happen quite yet.

  Do not map IRQs twice. This fixes PowerPC/FDT systems with multiple PICs,
  which would try to treat the previously-mapped interrupts from
  fdt_decode_intr() as interrupt line numbers on the same parent PIC.

  Remove some of the code required for supporting ssm(4) on SPARC in favor
  of a more PowerPC/FDT-focused design. Whenever SPARC64 is integrated
  into this rework, this should be (trivially) revisited.

1 files changed, 2 insertions, 1 deletions

diff --git a/sys/powerpc/pseries/vdevice.c b/sys/powerpc/pseries/vdevice.c
index 8ddd531..54cd5dd 100644
--- a/sys/powerpc/pseries/vdevice.c
+++ b/sys/powerpc/pseries/vdevice.c
@@ -156,7 +156,8 @@ vdevice_attach(device_t dev)
 			for (i = 0; i < nintr; i += icells) {
 				u_int irq = intr[i];
 				if (iparent != -1)
-					irq = MAP_IRQ(iparent, intr[i]);
+					irq = ofw_bus_map_intr(dev, iparent,
+					    intr[i]);
 
 				resource_list_add(&dinfo->mdi_resources,
 				    SYS_RES_IRQ, i, irq, irq, i);