# HG changeset patch
# User Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
# Date 1218163175 -32400
# Node ID a18df47f671b66e0d0fe68c28a882a69303a9a55
# Parent 324a5c041301d42b662e20f6175cba6c9b26f262
[IA64] Fix PV driver domains - xenlinux xencomm support
This adds xencomm support for several PHYSDEVOP calls (map_pirq and
unmap_pirq) as well as XEN_DOMCTL_assign_device.
Signed-off-by: Alex Williamson <alex.williamson@xxxxxx>
---
arch/ia64/xen/xcom_hcall.c | 6 ++++++
arch/ia64/xen/xcom_privcmd.c | 33 +++++++++++++++++++++++++++++++++
2 files changed, 39 insertions(+)
diff -r 324a5c041301 -r a18df47f671b arch/ia64/xen/xcom_hcall.c
--- a/arch/ia64/xen/xcom_hcall.c Thu Aug 07 11:58:10 2008 +0900
+++ b/arch/ia64/xen/xcom_hcall.c Fri Aug 08 11:39:35 2008 +0900
@@ -148,6 +148,12 @@ xencomm_hypercall_physdev_op(int cmd, vo
case PHYSDEVOP_manage_pci_remove:
argsize = sizeof(physdev_manage_pci_t);
break;
+ case PHYSDEVOP_map_pirq:
+ argsize = sizeof(physdev_map_pirq_t);
+ break;
+ case PHYSDEVOP_unmap_pirq:
+ argsize = sizeof(physdev_unmap_pirq_t);
+ break;
default:
printk("%s: unknown physdev op %d\n", __func__, cmd);
diff -r 324a5c041301 -r a18df47f671b arch/ia64/xen/xcom_privcmd.c
--- a/arch/ia64/xen/xcom_privcmd.c Thu Aug 07 11:58:10 2008 +0900
+++ b/arch/ia64/xen/xcom_privcmd.c Fri Aug 08 11:39:35 2008 +0900
@@ -327,6 +327,7 @@ xencomm_privcmd_domctl(privcmd_hypercall
case XEN_DOMCTL_settimeoffset:
case XEN_DOMCTL_sendtrigger:
case XEN_DOMCTL_set_opt_feature:
+ case XEN_DOMCTL_assign_device:
break;
case XEN_DOMCTL_pin_mem_cacheattr:
return -ENOSYS;
@@ -829,6 +830,36 @@ xencomm_privcmd_ia64_debug_op(privcmd_hy
xencomm_free(desc);
return ret;
+}
+
+static int
+xencomm_privcmd_ia64_physdev_op(privcmd_hypercall_t *hypercall)
+{
+ int cmd = hypercall->arg[0];
+ struct xencomm_handle *desc;
+ unsigned int argsize;
+ int ret;
+
+ switch (cmd) {
+ case PHYSDEVOP_map_pirq:
+ argsize = sizeof(physdev_map_pirq_t);
+ break;
+ case PHYSDEVOP_unmap_pirq:
+ argsize = sizeof(physdev_unmap_pirq_t);
+ break;
+ default:
+ printk("%s: unknown PHYSDEVOP %d\n", __func__, cmd);
+ return -EINVAL;
+ }
+
+ desc = xencomm_map((void *)hypercall->arg[1], argsize);
+ if ((void *)hypercall->arg[1] != NULL && argsize > 0 && desc == NULL)
+ return -ENOMEM;
+
+ ret = xencomm_arch_hypercall_physdev_op(cmd, desc);
+
+ xencomm_free(desc);
+ return ret;
}
int
@@ -857,6 +888,8 @@ privcmd_hypercall(privcmd_hypercall_t *h
return xencomm_privcmd_ia64_dom0vp_op(hypercall);
case __HYPERVISOR_ia64_debug_op:
return xencomm_privcmd_ia64_debug_op(hypercall);
+ case __HYPERVISOR_physdev_op:
+ return xencomm_privcmd_ia64_physdev_op(hypercall);
default:
printk("%s: unknown hcall (%ld)\n", __func__, hypercall->op);
return -ENOSYS;
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