diff options
| author | Vasant Hegde <vasant.hegde@amd.com> | 2022-07-06 17:08:02 +0530 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2022-07-07 09:37:40 +0200 |
| commit | 74ce42a9ab7a245c293c58a4cb964ad285e8fb2e (patch) | |
| tree | 53694728fc757197e3b10f9dacaf6cde20ebf8df /drivers/iommu/amd | |
| parent | b5c852907e0e8a52f8660235390b831ce0a2b50c (diff) | |
iommu/amd: Introduce per PCI segment alias table size
It will replace global "alias_table_size" variable.
Co-developed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20220706113825.25582-13-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd')
| -rw-r--r-- | drivers/iommu/amd/amd_iommu_types.h | 3 | ||||
| -rw-r--r-- | drivers/iommu/amd/init.c | 5 |
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h index 1dbe9c7f973d..8638b1107dd2 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -558,6 +558,9 @@ struct amd_iommu_pci_seg { /* Size of the device table */ u32 dev_table_size; + /* Size of the alias table */ + u32 alias_table_size; + /* * device table virtual address * diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 2950184d5540..b878a50e856d 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -712,7 +712,7 @@ static int __init alloc_alias_table(struct amd_iommu_pci_seg *pci_seg) int i; pci_seg->alias_table = (void *)__get_free_pages(GFP_KERNEL, - get_order(alias_table_size)); + get_order(pci_seg->alias_table_size)); if (!pci_seg->alias_table) return -ENOMEM; @@ -728,7 +728,7 @@ static int __init alloc_alias_table(struct amd_iommu_pci_seg *pci_seg) static void __init free_alias_table(struct amd_iommu_pci_seg *pci_seg) { free_pages((unsigned long)pci_seg->alias_table, - get_order(alias_table_size)); + get_order(pci_seg->alias_table_size)); pci_seg->alias_table = NULL; } @@ -1583,6 +1583,7 @@ static struct amd_iommu_pci_seg *__init alloc_pci_segment(u16 id, pci_seg->last_bdf = last_bdf; DUMP_printk("PCI segment : 0x%0x, last bdf : 0x%04x\n", id, last_bdf); pci_seg->dev_table_size = tbl_size(DEV_TABLE_ENTRY_SIZE); + pci_seg->alias_table_size = tbl_size(ALIAS_TABLE_ENTRY_SIZE); pci_seg->id = id; init_llist_head(&pci_seg->dev_data_list); |