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iommu/amd: Update set_dte_irq_entry

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Start using per PCI segment device table instead of global
device table.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20220706113825.25582-25-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Suravee Suthikulpanit 2022-07-06 17:08:14 +05:30 committed by Joerg Roedel
parent 4cc053d7ae
commit c7d311247b
1 changed files with 7 additions and 6 deletions
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13
drivers/iommu/amd/iommu.c
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@ -2731,18 +2731,20 @@ EXPORT_SYMBOL(amd_iommu_device_info);
static struct irq_chip amd_ir_chip;
static DEFINE_SPINLOCK(iommu_table_lock);
static void set_dte_irq_entry(u16 devid, struct irq_remap_table *table)
static void set_dte_irq_entry(struct amd_iommu *iommu, u16 devid,
struct irq_remap_table *table)
{
u64 dte;
struct dev_table_entry *dev_table = get_dev_table(iommu);
dte = amd_iommu_dev_table[devid].data[2];
dte = dev_table[devid].data[2];
dte &= ~DTE_IRQ_PHYS_ADDR_MASK;
dte |= iommu_virt_to_phys(table->table);
dte |= DTE_IRQ_REMAP_INTCTL;
dte |= DTE_INTTABLEN;
dte |= DTE_IRQ_REMAP_ENABLE;
amd_iommu_dev_table[devid].data[2] = dte;
dev_table[devid].data[2] = dte;
}
static struct irq_remap_table *get_irq_table(struct amd_iommu *iommu, u16 devid)
@ -2793,7 +2795,7 @@ static void set_remap_table_entry(struct amd_iommu *iommu, u16 devid,
struct amd_iommu_pci_seg *pci_seg = iommu->pci_seg;
pci_seg->irq_lookup_table[devid] = table;
set_dte_irq_entry(devid, table);
set_dte_irq_entry(iommu, devid, table);
iommu_flush_dte(iommu, devid);
}
@ -2809,8 +2811,7 @@ static int set_remap_table_entry_alias(struct pci_dev *pdev, u16 alias,
pci_seg = iommu->pci_seg;
pci_seg->irq_lookup_table[alias] = table;
set_dte_irq_entry(alias, table);
set_dte_irq_entry(iommu, alias, table);
iommu_flush_dte(pci_seg->rlookup_table[alias], alias);
return 0;