github/acrn-hypervisor
1
0
Fork 0
mirror of https://github.com/projectacrn/acrn-hypervisor.git synced 2025-09-21 08:50:27 +00:00
Code Issues Projects Releases Wiki Activity

HV: Remove snoopy_mem from iommu

Browse Source 
Removed the remaining reference of acrn vm from
inside of vtd.c.
Removed usage of snoopy_mem, and added code to achieve
the same using iommu_snoop.
Initialize iommu_snoop to true in create deault iommu.

Tracked-On: #2496
Signed-off-by: Arindam Roy <arindam.roy@intel.com>
This commit is contained in:
Arindam Roy
2019-02-11 14:35:20 -08:00
committed by wenlingz
parent 4b53ed677c
commit f660d9cf80
4 changed files with 4 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
hypervisor/arch/x86/vtd.c
View File

@@ -1066,7 +1066,6 @@ static int32_t add_iommu_device(struct iommu_domain *domain, uint16_t segment, u
struct dmar_context_entry *context_entry;
uint64_t upper;
uint64_t lower = 0UL;
struct acrn_vm *vm;
int32_t ret = 0;
dmar_unit = device_to_dmaru(segment, bus, devfun);
@@ -1080,10 +1079,6 @@ static int32_t add_iommu_device(struct iommu_domain *domain, uint16_t segment, u
ret = -EINVAL;
} else {
if (iommu_ecap_sc(dmar_unit->ecap) == 0U) {
vm = get_vm_from_vmid(domain->vm_id);
if (vm != NULL) {
vm->snoopy_mem = false;
}
/* TODO: remove iommu_snoop from iommu_domain */
domain->iommu_snoop = false;
dev_dbg(ACRN_DBG_IOMMU, "vm=%d add %x:%x no snoop control!", domain->vm_id, bus, devfun);
@@ -1266,6 +1261,7 @@ struct iommu_domain *create_iommu_domain(uint16_t vm_id, uint64_t translation_ta
domain->trans_table_ptr = translation_table;
domain->addr_width = addr_width;
domain->is_tt_ept = true;
domain->iommu_snoop = true;
dev_dbg(ACRN_DBG_IOMMU, "create domain [%d]: vm_id = %hu, ept@0x%x",
vmid_to_domainid(domain->vm_id), domain->vm_id, domain->trans_table_ptr);