Lines Matching +full:per +full:- +full:vpe

1 // SPDX-License-Identifier: GPL-2.0-only
7  * be routed to either VPE but not both, so to support per-CPU interrupts, a
8  * secondary IRQ number is allocated to control masking/unmasking on VPE#1. In
13  * If an interrupt (say 30) needs per-CPU capability, the SoC integrator
15  * reflects this by adding the pair <30 29> to the "econet,shadow-interrupts"
18  * When VPE#1 requests IRQ 30, the driver manipulates the mask bit for IRQ 29,
19  * telling the hardware to mask VPE#1's view of IRQ 30.
46  *	- NOT_PERCPU: This interrupt is not per-cpu, so it has no shadow
47  *	- IS_SHADOW: This interrupt is a shadow of another per-cpu interrupt
48  *	- else: This is a per-cpu interrupt whose shadow is the value
78 	 * It should only be masked/unmasked as a result of the "real" per-cpu  in econet_chmask()
79 	 * irq being manipulated by a thread running on VPE#1.  in econet_chmask()
80 	 * If it is per-cpu (has a shadow), and we're on VPE#1, the shadow is what we mask.  in econet_chmask()
91 		mask = BIT(hwirq - 32);  in econet_chmask()
103 	econet_chmask(d->hwirq, false);  in econet_intc_mask()
109 	econet_chmask(d->hwirq, true);  in econet_intc_unmask()
114 	/* IRQs are generally disabled during init, but guarding here makes it non-obligatory. */  in econet_mask_all()
125 		hwirq = fls(pending) - 1;  in econet_intc_handle_pending()
161 		return -EINVAL;  in econet_intc_map()
164 		return -EINVAL;  in econet_intc_map()
173 			pr_warn("%s: Failed irq_set_percpu_devid for %u: %d\n", d->name, irq, ret);  in econet_intc_map()
181 	.name		= "en751221-intc",
194 	const char *field = "econet,shadow-interrupts";  in get_shadow_interrupts()
211 		return -ENOMEM;  in get_shadow_interrupts()
215 		return -EINVAL;  in get_shadow_interrupts()
265 		return -EINVAL;  in econet_intc_of_init()
270 		ret = -EINVAL;  in econet_intc_of_init()
276 		ret = -EBUSY;  in econet_intc_of_init()
283 		ret = -ENOMEM;  in econet_intc_of_init()
293 		ret = -ENOMEM;  in econet_intc_of_init()
310 IRQCHIP_DECLARE(econet_en751221_intc, "econet,en751221-intc", econet_intc_of_init);