diff options
| author | Vasant Hegde <vasant.hegde@amd.com> | 2022-07-06 14:38:03 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2022-07-07 10:37:41 +0300 |
| commit | ec12dd139252cede736b8f98c5ced9644121de30 (patch) | |
| tree | 0c902f2008b63cbf60fac2dd4830cdb53e066baa /drivers/iommu/amd | |
| parent | 74ce42a9ab7a245c293c58a4cb964ad285e8fb2e (diff) | |
| download | linux-ec12dd139252cede736b8f98c5ced9644121de30.tar.xz | |
iommu/amd: Introduce per PCI segment rlookup table size
It will replace global "rlookup_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/20220706113825.25582-14-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 | 11 |
2 files changed, 9 insertions, 5 deletions
diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h index 8638b1107dd2..8d2d5fbdb57f 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -561,6 +561,9 @@ struct amd_iommu_pci_seg { /* Size of the alias table */ u32 alias_table_size; + /* Size of the rlookup table */ + u32 rlookup_table_size; + /* * device table virtual address * diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index b878a50e856d..2f1cdc8bd24c 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -672,7 +672,7 @@ static inline int __init alloc_rlookup_table(struct amd_iommu_pci_seg *pci_seg) { pci_seg->rlookup_table = (void *)__get_free_pages( GFP_KERNEL | __GFP_ZERO, - get_order(rlookup_table_size)); + get_order(pci_seg->rlookup_table_size)); if (pci_seg->rlookup_table == NULL) return -ENOMEM; @@ -682,7 +682,7 @@ static inline int __init alloc_rlookup_table(struct amd_iommu_pci_seg *pci_seg) static inline void free_rlookup_table(struct amd_iommu_pci_seg *pci_seg) { free_pages((unsigned long)pci_seg->rlookup_table, - get_order(rlookup_table_size)); + get_order(pci_seg->rlookup_table_size)); pci_seg->rlookup_table = NULL; } @@ -690,9 +690,9 @@ static inline int __init alloc_irq_lookup_table(struct amd_iommu_pci_seg *pci_se { pci_seg->irq_lookup_table = (void *)__get_free_pages( GFP_KERNEL | __GFP_ZERO, - get_order(rlookup_table_size)); + get_order(pci_seg->rlookup_table_size)); kmemleak_alloc(pci_seg->irq_lookup_table, - rlookup_table_size, 1, GFP_KERNEL); + pci_seg->rlookup_table_size, 1, GFP_KERNEL); if (pci_seg->irq_lookup_table == NULL) return -ENOMEM; @@ -703,7 +703,7 @@ static inline void free_irq_lookup_table(struct amd_iommu_pci_seg *pci_seg) { kmemleak_free(pci_seg->irq_lookup_table); free_pages((unsigned long)pci_seg->irq_lookup_table, - get_order(rlookup_table_size)); + get_order(pci_seg->rlookup_table_size)); pci_seg->irq_lookup_table = NULL; } @@ -1584,6 +1584,7 @@ static struct amd_iommu_pci_seg *__init alloc_pci_segment(u16 id, 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->rlookup_table_size = tbl_size(RLOOKUP_TABLE_ENTRY_SIZE); pci_seg->id = id; init_llist_head(&pci_seg->dev_data_list); |