[PATCH] sn: New pci provider interfaces

From: Pat Gefre <pfg@sgi.com>

New pci provider interfaces

arch/ia64/sn/io/machvec/pci_bus_cvlink.c

@@ -31,6 +31,18 @@ void sn_dma_flush_init(unsigned long start, unsigned long end, int idx, int pin,
 #define IS_OPUS(nasid) (cbrick_type_get_nasid(nasid) == MODULE_OPUSBRICK)
 #define IS_ALTIX(nasid) (cbrick_type_get_nasid(nasid) == MODULE_CBRICK)
 
+/*
+ * Init the provider asic for a given device
+ */
+
+static void
+set_pci_provider(struct sn_device_sysdata *device_sysdata)
+{
+	pciio_info_t pciio_info = pciio_info_get(device_sysdata->vhdl);
+
+	device_sysdata->pci_provider = pciio_info_pops_get(pciio_info);
+}
+
 /*
  * pci_bus_cvlink_init() - To be called once during initialization before 
  *	SGI IO Infrastructure init is called.
@@ -329,6 +341,7 @@ sn_pci_fixup(int arg)
 	struct sn_widget_sysdata *widget_sysdata;
 	struct sn_device_sysdata *device_sysdata;
 	pcibr_intr_t intr_handle;
+	pciio_provider_t *pci_provider;
 	int cpuid;
 	vertex_hdl_t device_vertex;
 	pciio_intr_line_t lines;
@@ -404,6 +417,7 @@ sn_pci_fixup(int arg)
 		device_vertex = device_sysdata->vhdl;
 
 		device_dev->sysdata = (void *) device_sysdata;
+		set_pci_provider(device_sysdata);
 
 		/*
 		 * Set the xbridge Device(X) Write Buffer Flush and Xbow Flush 
@@ -448,14 +462,16 @@ sn_pci_fixup(int arg)
 
 		pci_read_config_byte(device_dev, PCI_INTERRUPT_PIN,
 				     (unsigned char *)&lines);
+		device_sysdata = (struct sn_device_sysdata *)device_dev->sysdata;
+		device_vertex = device_sysdata->vhdl;
+		pci_provider = device_sysdata->pci_provider;
  
 		irqpdaindr->curr = device_dev;
-		intr_handle = pcibr_intr_alloc(device_vertex, NULL, lines, device_vertex);
+		intr_handle = (pci_provider->intr_alloc)(device_vertex, NULL, lines, device_vertex);
 
 		irq = intr_handle->bi_irq;
 		irqpdaindr->device_dev[irq] = device_dev;
-		cpuid = intr_handle->bi_cpu;
-		pcibr_intr_connect(intr_handle, (intr_func_t)0, (intr_arg_t)0);
+		(pci_provider->intr_connect)(intr_handle, (intr_func_t)0, (intr_arg_t)0);
 		device_dev->irq = irq;
 		register_pcibr_intr(irq, intr_handle);
 

include/asm-ia64/sn/pci/pci_bus_cvlink.h

@@ -53,6 +53,7 @@ struct sn_device_sysdata {
 	int		isa64;
 	volatile unsigned int *dma_buf_sync;
 	volatile unsigned int *xbow_buf_sync;
+	pciio_provider_t	*pci_provider;
 };
 
 struct ioports_to_tlbs_s {