[SPARC64]: Add ->set_affinity IRQ handlers.
dr-cpu unconfigure requests will walk throught he enabled IRQs and trigger ->set_affinity so that the going-down cpu no longer has INOs targetted to it. Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -293,6 +293,11 @@ static void sun4u_irq_enable(unsigned int virt_irq)
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}
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}
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static void sun4u_set_affinity(unsigned int virt_irq, cpumask_t mask)
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{
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sun4u_irq_enable(virt_irq);
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}
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static void sun4u_irq_disable(unsigned int virt_irq)
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{
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struct irq_handler_data *data = get_irq_chip_data(virt_irq);
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@ -344,6 +349,24 @@ static void sun4v_irq_enable(unsigned int virt_irq)
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}
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}
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static void sun4v_set_affinity(unsigned int virt_irq, cpumask_t mask)
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{
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struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq);
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unsigned int ino = bucket - &ivector_table[0];
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if (likely(bucket)) {
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unsigned long cpuid;
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int err;
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cpuid = irq_choose_cpu(virt_irq);
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err = sun4v_intr_settarget(ino, cpuid);
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if (err != HV_EOK)
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printk("sun4v_intr_settarget(%x,%lu): err(%d)\n",
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ino, cpuid, err);
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}
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}
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static void sun4v_irq_disable(unsigned int virt_irq)
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{
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struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq);
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@ -426,6 +449,28 @@ static void sun4v_virq_enable(unsigned int virt_irq)
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}
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}
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static void sun4v_virt_set_affinity(unsigned int virt_irq, cpumask_t mask)
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{
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struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq);
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unsigned int ino = bucket - &ivector_table[0];
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if (likely(bucket)) {
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unsigned long cpuid, dev_handle, dev_ino;
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int err;
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cpuid = irq_choose_cpu(virt_irq);
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dev_handle = ino & IMAP_IGN;
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dev_ino = ino & IMAP_INO;
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err = sun4v_vintr_set_target(dev_handle, dev_ino, cpuid);
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if (err != HV_EOK)
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printk("sun4v_vintr_set_target(%lx,%lx,%lu): "
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"err(%d)\n",
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dev_handle, dev_ino, cpuid, err);
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}
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}
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static void sun4v_virq_disable(unsigned int virt_irq)
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{
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struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq);
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@ -489,6 +534,7 @@ static struct irq_chip sun4u_irq = {
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.enable = sun4u_irq_enable,
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.disable = sun4u_irq_disable,
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.end = sun4u_irq_end,
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.set_affinity = sun4u_set_affinity,
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};
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static struct irq_chip sun4u_irq_ack = {
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@ -497,6 +543,7 @@ static struct irq_chip sun4u_irq_ack = {
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.disable = sun4u_irq_disable,
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.ack = run_pre_handler,
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.end = sun4u_irq_end,
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.set_affinity = sun4u_set_affinity,
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};
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static struct irq_chip sun4v_irq = {
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@ -504,6 +551,7 @@ static struct irq_chip sun4v_irq = {
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.enable = sun4v_irq_enable,
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.disable = sun4v_irq_disable,
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.end = sun4v_irq_end,
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.set_affinity = sun4v_set_affinity,
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};
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static struct irq_chip sun4v_irq_ack = {
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@ -512,6 +560,7 @@ static struct irq_chip sun4v_irq_ack = {
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.disable = sun4v_irq_disable,
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.ack = run_pre_handler,
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.end = sun4v_irq_end,
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.set_affinity = sun4v_set_affinity,
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};
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#ifdef CONFIG_PCI_MSI
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@ -523,6 +572,7 @@ static struct irq_chip sun4v_msi = {
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.disable = sun4v_msi_disable,
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.ack = run_pre_handler,
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.end = sun4v_irq_end,
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.set_affinity = sun4v_set_affinity,
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};
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#endif
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@ -531,6 +581,7 @@ static struct irq_chip sun4v_virq = {
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.enable = sun4v_virq_enable,
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.disable = sun4v_virq_disable,
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.end = sun4v_virq_end,
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.set_affinity = sun4v_virt_set_affinity,
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};
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static struct irq_chip sun4v_virq_ack = {
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@ -539,6 +590,7 @@ static struct irq_chip sun4v_virq_ack = {
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.disable = sun4v_virq_disable,
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.ack = run_pre_handler,
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.end = sun4v_virq_end,
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.set_affinity = sun4v_virt_set_affinity,
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};
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void irq_install_pre_handler(int virt_irq,
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