From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Will Deacon <will@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Russell King <linux@arm.linux.org.uk>,
Thomas Gleixner <tglx@linutronix.de>,
Jason Cooper <jason@lakedaemon.net>,
Sumit Garg <sumit.garg@linaro.org>,
kernel-team@android.com
Subject: [PATCH 05/11] irqchip/gic-v3: Describe the SGI range
Date: Tue, 19 May 2020 17:17:49 +0100 [thread overview]
Message-ID: <20200519161755.209565-6-maz@kernel.org> (raw)
In-Reply-To: <20200519161755.209565-1-maz@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
drivers/irqchip/irq-gic-v3.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index d7006ef18a0d..23d7c87da407 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -112,6 +112,7 @@ static DEFINE_PER_CPU(bool, has_rss);
#define DEFAULT_PMR_VALUE 0xf0
enum gic_intid_range {
+ SGI_RANGE,
PPI_RANGE,
SPI_RANGE,
EPPI_RANGE,
@@ -123,6 +124,8 @@ enum gic_intid_range {
static enum gic_intid_range __get_intid_range(irq_hw_number_t hwirq)
{
switch (hwirq) {
+ case 0 ... 15:
+ return SGI_RANGE;
case 16 ... 31:
return PPI_RANGE;
case 32 ... 1019:
@@ -148,15 +151,22 @@ static inline unsigned int gic_irq(struct irq_data *d)
return d->hwirq;
}
-static inline int gic_irq_in_rdist(struct irq_data *d)
+static inline bool gic_irq_in_rdist(struct irq_data *d)
{
- enum gic_intid_range range = get_intid_range(d);
- return range == PPI_RANGE || range == EPPI_RANGE;
+ switch (get_intid_range(d)) {
+ case SGI_RANGE:
+ case PPI_RANGE:
+ case EPPI_RANGE:
+ return true;
+ default:
+ return false;
+ }
}
static inline void __iomem *gic_dist_base(struct irq_data *d)
{
switch (get_intid_range(d)) {
+ case SGI_RANGE:
case PPI_RANGE:
case EPPI_RANGE:
/* SGI+PPI -> SGI_base for this CPU */
@@ -253,6 +263,7 @@ static void gic_enable_redist(bool enable)
static u32 convert_offset_index(struct irq_data *d, u32 offset, u32 *index)
{
switch (get_intid_range(d)) {
+ case SGI_RANGE:
case PPI_RANGE:
case SPI_RANGE:
*index = d->hwirq;
@@ -1277,6 +1288,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq,
chip = &gic_eoimode1_chip;
switch (__get_intid_range(hw)) {
+ case SGI_RANGE:
case PPI_RANGE:
case EPPI_RANGE:
irq_set_percpu_devid(irq);
--
2.26.2
next prev parent reply other threads:[~2020-05-19 16:18 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-19 16:17 [PATCH 00/11] arm/arm64: Turning IPIs into normal interrupts Marc Zyngier
2020-05-19 16:17 ` [PATCH 01/11] genirq: Add fasteoi IPI flow Marc Zyngier
2020-05-19 19:47 ` Florian Fainelli
2020-06-12 9:54 ` Marc Zyngier
2020-05-19 22:25 ` Valentin Schneider
2020-05-19 22:29 ` Valentin Schneider
2020-06-12 9:58 ` Marc Zyngier
2020-05-19 16:17 ` [PATCH 02/11] genirq: Allow interrupts to be excluded from /proc/interrupts Marc Zyngier
2020-05-19 16:17 ` [PATCH 03/11] arm64: Allow IPIs to be handled as normal interrupts Marc Zyngier
2020-05-21 14:03 ` Valentin Schneider
2020-05-19 16:17 ` [PATCH 04/11] ARM: " Marc Zyngier
2020-05-19 22:24 ` Russell King - ARM Linux admin
2020-05-21 14:03 ` Valentin Schneider
2020-05-21 15:12 ` Russell King - ARM Linux admin
2020-05-21 16:11 ` Valentin Schneider
2020-05-19 16:17 ` Marc Zyngier [this message]
2020-05-19 16:17 ` [PATCH 06/11] irqchip/gic-v3: Configure SGIs as standard interrupts Marc Zyngier
2020-05-20 9:52 ` Sumit Garg
2020-05-20 10:24 ` Marc Zyngier
2020-05-21 14:04 ` Valentin Schneider
2020-06-12 10:39 ` Marc Zyngier
2020-05-19 16:17 ` [PATCH 07/11] irqchip/gic: Refactor SMP configuration Marc Zyngier
2020-05-19 16:17 ` [PATCH 08/11] irqchip/gic: Configure SGIs as standard interrupts Marc Zyngier
2021-04-20 20:37 ` dann frazier
2021-04-20 21:25 ` dann frazier
2021-04-21 10:58 ` Marc Zyngier
2021-04-21 14:52 ` dann frazier
2021-04-21 15:49 ` Marc Zyngier
2020-05-19 16:17 ` [PATCH 09/11] irqchip/gic-common: Don't enable SGIs by default Marc Zyngier
2020-05-19 16:17 ` [PATCH 10/11] irqchip/bcm2836: Configure mailbox interrupts as standard interrupts Marc Zyngier
2020-05-19 16:17 ` [PATCH 11/11] arm64: Kill __smp_cross_call and co Marc Zyngier
2020-05-19 17:50 ` [PATCH 00/11] arm/arm64: Turning IPIs into normal interrupts Florian Fainelli
2020-05-19 19:47 ` Florian Fainelli
2020-06-12 9:49 ` Marc Zyngier
2020-06-12 16:57 ` Florian Fainelli
2020-05-19 22:25 ` Valentin Schneider
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