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Commit 0dfedd61 authored by Joerg Roedel's avatar Joerg Roedel
Browse files

iommu/amd: Use AMD specific data structure for irq remapping 



For compatibility reasons the irq remapping code for the AMD
IOMMU used the same per-irq data structure as the Intel
implementation. Now that support for the AMD specific data
structure is upstream we can use this one instead.

Reviewed-by: default avatarShuah Khan <shuahkhan@gmail.com>
Signed-off-by: default avatarJoerg Roedel <joro@8bytes.org>
parent a0e191b2

drivers/iommu/amd_iommu.c

+27 −27
Original line number Diff line number Diff line
@@ -3990,7 +3990,7 @@ static int alloc_irq_index(struct irq_cfg *cfg, u16 devid, int count) 
			c = 0;



		if (c == count)	{

			struct irq_2_iommu *irte_info;

			struct irq_2_irte *irte_info;



			for (; c != 0; --c)

				table->table[index - c + 1] = IRTE_ALLOCATED;
@@ -3998,9 +3998,9 @@ static int alloc_irq_index(struct irq_cfg *cfg, u16 devid, int count) 
			index -= count - 1;



			cfg->remapped	      = 1;

			irte_info             = &cfg->irq_2_iommu;

			irte_info->sub_handle = devid;

			irte_info->irte_index = index;

			irte_info             = &cfg->irq_2_irte;

			irte_info->devid      = devid;

			irte_info->index      = index;



			goto out;

		}
@@ -4081,7 +4081,7 @@ static int setup_ioapic_entry(int irq, struct IO_APIC_route_entry *entry, 
			      struct io_apic_irq_attr *attr)

{

	struct irq_remap_table *table;

	struct irq_2_iommu *irte_info;

	struct irq_2_irte *irte_info;

	struct irq_cfg *cfg;

	union irte irte;

	int ioapic_id;
@@ -4093,7 +4093,7 @@ static int setup_ioapic_entry(int irq, struct IO_APIC_route_entry *entry, 
	if (!cfg)

		return -EINVAL;



	irte_info = &cfg->irq_2_iommu;

	irte_info = &cfg->irq_2_irte;

	ioapic_id = mpc_ioapic_id(attr->ioapic);

	devid     = get_ioapic_devid(ioapic_id);
@@ -4108,8 +4108,8 @@ static int setup_ioapic_entry(int irq, struct IO_APIC_route_entry *entry, 


	/* Setup IRQ remapping info */

	cfg->remapped	      = 1;

	irte_info->sub_handle = devid;

	irte_info->irte_index = index;

	irte_info->devid      = devid;

	irte_info->index      = index;



	/* Setup IRTE for IOMMU */

	irte.val		= 0;
@@ -4143,7 +4143,7 @@ static int setup_ioapic_entry(int irq, struct IO_APIC_route_entry *entry, 
static int set_affinity(struct irq_data *data, const struct cpumask *mask,

			bool force)

{

	struct irq_2_iommu *irte_info;

	struct irq_2_irte *irte_info;

	unsigned int dest, irq;

	struct irq_cfg *cfg;

	union irte irte;
@@ -4154,12 +4154,12 @@ static int set_affinity(struct irq_data *data, const struct cpumask *mask, 


	cfg       = data->chip_data;

	irq       = data->irq;

	irte_info = &cfg->irq_2_iommu;

	irte_info = &cfg->irq_2_irte;



	if (!cpumask_intersects(mask, cpu_online_mask))

		return -EINVAL;



	if (get_irte(irte_info->sub_handle, irte_info->irte_index, &irte))

	if (get_irte(irte_info->devid, irte_info->index, &irte))

		return -EBUSY;



	if (assign_irq_vector(irq, cfg, mask))
@@ -4175,7 +4175,7 @@ static int set_affinity(struct irq_data *data, const struct cpumask *mask, 
	irte.fields.vector      = cfg->vector;

	irte.fields.destination = dest;



	modify_irte(irte_info->sub_handle, irte_info->irte_index, irte);

	modify_irte(irte_info->devid, irte_info->index, irte);



	if (cfg->move_in_progress)

		send_cleanup_vector(cfg);
@@ -4187,16 +4187,16 @@ static int set_affinity(struct irq_data *data, const struct cpumask *mask, 


static int free_irq(int irq)

{

	struct irq_2_iommu *irte_info;

	struct irq_2_irte *irte_info;

	struct irq_cfg *cfg;



	cfg = irq_get_chip_data(irq);

	if (!cfg)

		return -EINVAL;



	irte_info = &cfg->irq_2_iommu;

	irte_info = &cfg->irq_2_irte;



	free_irte(irte_info->sub_handle, irte_info->irte_index);

	free_irte(irte_info->devid, irte_info->index);



	return 0;

}
@@ -4205,7 +4205,7 @@ static void compose_msi_msg(struct pci_dev *pdev, 
			    unsigned int irq, unsigned int dest,

			    struct msi_msg *msg, u8 hpet_id)

{

	struct irq_2_iommu *irte_info;

	struct irq_2_irte *irte_info;

	struct irq_cfg *cfg;

	union irte irte;
@@ -4213,7 +4213,7 @@ static void compose_msi_msg(struct pci_dev *pdev, 
	if (!cfg)

		return;



	irte_info = &cfg->irq_2_iommu;

	irte_info = &cfg->irq_2_irte;



	irte.val		= 0;

	irte.fields.vector	= cfg->vector;
@@ -4222,11 +4222,11 @@ static void compose_msi_msg(struct pci_dev *pdev, 
	irte.fields.dm		= apic->irq_dest_mode;

	irte.fields.valid	= 1;



	modify_irte(irte_info->sub_handle, irte_info->irte_index, irte);

	modify_irte(irte_info->devid, irte_info->index, irte);



	msg->address_hi = MSI_ADDR_BASE_HI;

	msg->address_lo = MSI_ADDR_BASE_LO;

	msg->data       = irte_info->irte_index;

	msg->data       = irte_info->index;

}



static int msi_alloc_irq(struct pci_dev *pdev, int irq, int nvec)
@@ -4251,7 +4251,7 @@ static int msi_alloc_irq(struct pci_dev *pdev, int irq, int nvec) 
static int msi_setup_irq(struct pci_dev *pdev, unsigned int irq,

			 int index, int offset)

{

	struct irq_2_iommu *irte_info;

	struct irq_2_irte *irte_info;

	struct irq_cfg *cfg;

	u16 devid;
@@ -4266,18 +4266,18 @@ static int msi_setup_irq(struct pci_dev *pdev, unsigned int irq, 
		return 0;



	devid		= get_device_id(&pdev->dev);

	irte_info	= &cfg->irq_2_iommu;

	irte_info	= &cfg->irq_2_irte;



	cfg->remapped	      = 1;

	irte_info->sub_handle = devid;

	irte_info->irte_index = index + offset;

	irte_info->devid      = devid;

	irte_info->index      = index + offset;



	return 0;

}



static int setup_hpet_msi(unsigned int irq, unsigned int id)

{

	struct irq_2_iommu *irte_info;

	struct irq_2_irte *irte_info;

	struct irq_cfg *cfg;

	int index, devid;
@@ -4285,7 +4285,7 @@ static int setup_hpet_msi(unsigned int irq, unsigned int id) 
	if (!cfg)

		return -EINVAL;



	irte_info = &cfg->irq_2_iommu;

	irte_info = &cfg->irq_2_irte;

	devid     = get_hpet_devid(id);

	if (devid < 0)

		return devid;
@@ -4295,8 +4295,8 @@ static int setup_hpet_msi(unsigned int irq, unsigned int id) 
		return index;



	cfg->remapped	      = 1;

	irte_info->sub_handle = devid;

	irte_info->irte_index = index;

	irte_info->devid      = devid;

	irte_info->index      = index;



	return 0;

}