Commit e01c0d6d authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Negotiate hypervisor API for PCI services. 



Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 22d6a1cb

arch/sparc64/kernel/pci_sun4v.c

+18 −0
Original line number Diff line number Diff line
@@ -27,6 +27,9 @@ 


#include "pci_sun4v.h"



static unsigned long vpci_major = 1;

static unsigned long vpci_minor = 1;



#define PGLIST_NENTS	(PAGE_SIZE / sizeof(u64))



struct iommu_batch {
@@ -1162,6 +1165,7 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node 


void sun4v_pci_init(struct device_node *dp, char *model_name)

{

	static int hvapi_negotiated = 0;

	struct pci_controller_info *p;

	struct pci_pbm_info *pbm;

	struct iommu *iommu;
@@ -1170,6 +1174,20 @@ void sun4v_pci_init(struct device_node *dp, char *model_name) 
	u32 devhandle;

	int i;



	if (!hvapi_negotiated++) {

		int err = sun4v_hvapi_register(HV_GRP_PCI,

					       vpci_major,

					       &vpci_minor);



		if (err) {

			prom_printf("SUN4V_PCI: Could not register hvapi, "

				    "err=%d\n", err);

			prom_halt();

		}

		printk("SUN4V_PCI: Registered hvapi major[%lu] minor[%lu]\n",

		       vpci_major, vpci_minor);

	}



	prop = of_find_property(dp, "reg", NULL);

	regs = prop->value;