9 #include <linux/msi.h>
147 	.name = "PCI-MSI",
303 	struct msi_desc *msi;  in arch_setup_msi_irqs()  local
323 	 * Request MSI interrupts:  in arch_setup_msi_irqs()
324 	 * When using MSI, nvec_used interrupt sources and their irq  in arch_setup_msi_irqs()
325 	 * descriptors are controlled through one msi descriptor.  in arch_setup_msi_irqs()
326 	 * Thus the outer loop over msi descriptors shall run only once,  in arch_setup_msi_irqs()
328 	 * When using MSI-X, each interrupt vector/irq descriptor  in arch_setup_msi_irqs()
329 	 * is bound to exactly one msi descriptor (nvec_used is one).  in arch_setup_msi_irqs()
331 	 * over the MSI-X descriptors.  in arch_setup_msi_irqs()
334 	msi_for_each_desc(msi, &pdev->dev, MSI_DESC_NOTASSOCIATED) {  in arch_setup_msi_irqs()
337 		irqs_per_msi = min_t(unsigned int, msi_vecs, msi->nvec_used);  in arch_setup_msi_irqs()
340 					msi->affinity : NULL);  in arch_setup_msi_irqs()
345 			rc = irq_set_msi_desc_off(irq, i, msi);  in arch_setup_msi_irqs()
354 			if (msi->affinity)  in arch_setup_msi_irqs()
355 				cpu = cpumask_first(&msi->affinity->mask);  in arch_setup_msi_irqs()
391 	struct msi_desc *msi;  in arch_teardown_msi_irqs()  local
400 	/* Release MSI interrupts */  in arch_teardown_msi_irqs()
401 	msi_for_each_desc(msi, &pdev->dev, MSI_DESC_ASSOCIATED) {  in arch_teardown_msi_irqs()
402 		for (i = 0; i < msi->nvec_used; i++) {  in arch_teardown_msi_irqs()
403 			irq_set_msi_desc(msi->irq + i, NULL);  in arch_teardown_msi_irqs()
404 			irq_free_desc(msi->irq + i);  in arch_teardown_msi_irqs()
406 		msi->msg.address_lo = 0;  in arch_teardown_msi_irqs()
407 		msi->msg.address_hi = 0;  in arch_teardown_msi_irqs()
408 		msi->msg.data = 0;  in arch_teardown_msi_irqs()
409 		msi->irq = 0;  in arch_teardown_msi_irqs()