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iommu/amd: Rename DTE_INTTABLEN* and MAX_IRQS_PER_TABLE macro

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AMD iommu can support both 512 and 2K interrupts on newer platform. Hence
add suffix "512" to the existing macros.

Signed-off-by: Sairaj Kodilkar <sarunkod@amd.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20250307095822.2274-4-sarunkod@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Sairaj Kodilkar
2025-03-07 15:28:21 +05:30
committed by Joerg Roedel
parent eaf717fa1c
commit 950865c1b8
3 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/iommu/amd/amd_iommu_types.h
+3 -3
View File
@@ -313,10 +313,10 @@
* AMD IOMMU hardware only support 512 IRTEs despite
* the architectural limitation of 2048 entries.
*/
#define DTE_INTTABLEN_VALUE 9ULL
#define DTE_INTTABLEN (DTE_INTTABLEN_VALUE << 1)
#define DTE_INTTABLEN_MASK (0xfULL << 1)
#define MAX_IRQS_PER_TABLE (1 << DTE_INTTABLEN_VALUE)
#define DTE_INTTABLEN_VALUE_512 9ULL
#define DTE_INTTABLEN_512 (DTE_INTTABLEN_VALUE_512 << 1)
#define MAX_IRQS_PER_TABLE_512 BIT(DTE_INTTABLEN_VALUE_512)
#define PAGE_MODE_NONE 0x00
#define PAGE_MODE_1_LEVEL 0x01
drivers/iommu/amd/init.c
+1 -1
View File
@@ -1060,7 +1060,7 @@ static bool __copy_device_table(struct amd_iommu *iommu)
int_tab_len = old_devtb[devid].data[2] & DTE_INTTABLEN_MASK;
if (irq_v && (int_ctl || int_tab_len)) {
if ((int_ctl != DTE_IRQ_REMAP_INTCTL) ||
(int_tab_len != DTE_INTTABLEN)) {
(int_tab_len != DTE_INTTABLEN_512)) {
pr_err("Wrong old irq remapping flag: %#x\n", devid);
memunmap(old_devtb);
return false;
drivers/iommu/amd/iommu.c
+1 -1
View File
@@ -3090,7 +3090,7 @@ static void set_dte_irq_entry(struct amd_iommu *iommu, u16 devid,
new &= ~DTE_IRQ_PHYS_ADDR_MASK;
new |= iommu_virt_to_phys(table->table);
new |= DTE_IRQ_REMAP_INTCTL;
new |= DTE_INTTABLEN;
new |= DTE_INTTABLEN_512;
new |= DTE_IRQ_REMAP_ENABLE;
WRITE_ONCE(dte->data[2], new);