From: Julien Thierry <julien.thierry@arm.com> To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, daniel.thompson@linaro.org, joel@joelfernandes.org, marc.zyngier@arm.com, mark.rutland@arm.com, christoffer.dall@arm.com, james.morse@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, Julien Thierry <julien.thierry@arm.com>, Thomas Gleixner <tglx@linutronix.de>, Jason Cooper <jason@lakedaemon.net> Subject: [PATCH v5 26/27] irqchip/gic: Add functions to access irq priorities Date: Tue, 28 Aug 2018 16:51:36 +0100 [thread overview] Message-ID: <1535471497-38854-27-git-send-email-julien.thierry@arm.com> (raw) In-Reply-To: <1535471497-38854-1-git-send-email-julien.thierry@arm.com> Add accessors to the GIC distributor/redistributors priority registers. Signed-off-by: Julien Thierry <julien.thierry@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <marc.zyngier@arm.com> --- drivers/irqchip/irq-gic-common.c | 10 ++++++++++ drivers/irqchip/irq-gic-common.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c index 01e673c..910746f 100644 --- a/drivers/irqchip/irq-gic-common.c +++ b/drivers/irqchip/irq-gic-common.c @@ -98,6 +98,16 @@ int gic_configure_irq(unsigned int irq, unsigned int type, return ret; } +void gic_set_irq_prio(unsigned int irq, void __iomem *base, u8 prio) +{ + writeb_relaxed(prio, base + GIC_DIST_PRI + irq); +} + +u8 gic_get_irq_prio(unsigned int irq, void __iomem *base) +{ + return readb_relaxed(base + GIC_DIST_PRI + irq); +} + void gic_dist_config(void __iomem *base, int gic_irqs, void (*sync_access)(void)) { diff --git a/drivers/irqchip/irq-gic-common.h b/drivers/irqchip/irq-gic-common.h index 3919cd7..1586dbd 100644 --- a/drivers/irqchip/irq-gic-common.h +++ b/drivers/irqchip/irq-gic-common.h @@ -35,6 +35,8 @@ void gic_dist_config(void __iomem *base, int gic_irqs, void gic_cpu_config(void __iomem *base, void (*sync_access)(void)); void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks, void *data); +void gic_set_irq_prio(unsigned int irq, void __iomem *base, u8 prio); +u8 gic_get_irq_prio(unsigned int irq, void __iomem *base); void gic_set_kvm_info(const struct gic_kvm_info *info); -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: julien.thierry@arm.com (Julien Thierry) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 26/27] irqchip/gic: Add functions to access irq priorities Date: Tue, 28 Aug 2018 16:51:36 +0100 [thread overview] Message-ID: <1535471497-38854-27-git-send-email-julien.thierry@arm.com> (raw) In-Reply-To: <1535471497-38854-1-git-send-email-julien.thierry@arm.com> Add accessors to the GIC distributor/redistributors priority registers. Signed-off-by: Julien Thierry <julien.thierry@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <marc.zyngier@arm.com> --- drivers/irqchip/irq-gic-common.c | 10 ++++++++++ drivers/irqchip/irq-gic-common.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c index 01e673c..910746f 100644 --- a/drivers/irqchip/irq-gic-common.c +++ b/drivers/irqchip/irq-gic-common.c @@ -98,6 +98,16 @@ int gic_configure_irq(unsigned int irq, unsigned int type, return ret; } +void gic_set_irq_prio(unsigned int irq, void __iomem *base, u8 prio) +{ + writeb_relaxed(prio, base + GIC_DIST_PRI + irq); +} + +u8 gic_get_irq_prio(unsigned int irq, void __iomem *base) +{ + return readb_relaxed(base + GIC_DIST_PRI + irq); +} + void gic_dist_config(void __iomem *base, int gic_irqs, void (*sync_access)(void)) { diff --git a/drivers/irqchip/irq-gic-common.h b/drivers/irqchip/irq-gic-common.h index 3919cd7..1586dbd 100644 --- a/drivers/irqchip/irq-gic-common.h +++ b/drivers/irqchip/irq-gic-common.h @@ -35,6 +35,8 @@ void gic_dist_config(void __iomem *base, int gic_irqs, void gic_cpu_config(void __iomem *base, void (*sync_access)(void)); void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks, void *data); +void gic_set_irq_prio(unsigned int irq, void __iomem *base, u8 prio); +u8 gic_get_irq_prio(unsigned int irq, void __iomem *base); void gic_set_kvm_info(const struct gic_kvm_info *info); -- 1.9.1
next prev parent reply other threads:[~2018-08-28 15:53 UTC|newest] Thread overview: 116+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-08-28 15:51 [PATCH v5 00/27] arm64: provide pseudo NMI with GICv3 Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 01/27] arm64: cpufeature: Set SYSREG_GIC_CPUIF as a boot system feature Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-09-21 15:56 ` Marc Zyngier 2018-09-21 15:56 ` Marc Zyngier 2018-09-25 3:10 ` Yao Lihua 2018-09-25 8:13 ` Marc Zyngier 2018-09-25 8:13 ` Marc Zyngier 2018-09-25 10:39 ` Yao Lihua 2018-08-28 15:51 ` [PATCH v5 02/27] arm64: cpufeature: Use alternatives for VHE cpu_enable Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-09-12 10:28 ` James Morse 2018-09-12 10:28 ` James Morse 2018-09-12 12:03 ` Julien Thierry 2018-09-12 12:03 ` Julien Thierry 2018-09-18 17:46 ` James Morse 2018-09-18 17:46 ` James Morse 2018-09-12 12:37 ` Suzuki K Poulose 2018-09-12 12:37 ` Suzuki K Poulose 2018-08-28 15:51 ` [PATCH v5 03/27] arm64: alternative: Apply alternatives early in boot process Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-09-12 10:29 ` James Morse 2018-09-12 10:29 ` James Morse 2018-09-12 16:49 ` Julien Thierry 2018-09-12 16:49 ` Julien Thierry 2018-09-17 23:44 ` Daniel Thompson 2018-09-17 23:44 ` Daniel Thompson 2018-09-18 7:37 ` Julien Thierry 2018-09-18 7:37 ` Julien Thierry 2018-09-18 17:47 ` James Morse 2018-09-18 17:47 ` James Morse 2018-09-21 16:05 ` Marc Zyngier 2018-09-21 16:05 ` Marc Zyngier 2018-08-28 15:51 ` [PATCH v5 04/27] arm64: daifflags: Use irqflags functions for daifflags Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-09-12 12:28 ` James Morse 2018-09-12 12:28 ` James Morse 2018-10-03 15:09 ` Catalin Marinas 2018-10-03 15:09 ` Catalin Marinas 2018-08-28 15:51 ` [PATCH v5 05/27] arm64: Use daifflag_restore after bp_hardening Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-09-12 10:32 ` James Morse 2018-09-12 10:32 ` James Morse 2018-09-12 11:11 ` Julien Thierry 2018-09-12 11:11 ` Julien Thierry 2018-09-12 12:28 ` James Morse 2018-09-12 12:28 ` James Morse 2018-09-12 13:03 ` Julien Thierry 2018-09-12 13:03 ` Julien Thierry 2018-10-03 15:12 ` Catalin Marinas 2018-10-03 15:12 ` Catalin Marinas 2018-08-28 15:51 ` [PATCH v5 06/27] arm64: Delay daif masking for user return Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-09-12 10:31 ` James Morse 2018-09-12 10:31 ` James Morse 2018-09-12 13:07 ` Julien Thierry 2018-09-12 13:07 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 07/27] arm64: xen: Use existing helper to check interrupt status Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-29 21:35 ` Stefano Stabellini 2018-08-29 21:35 ` Stefano Stabellini 2018-10-03 15:14 ` Catalin Marinas 2018-10-03 15:14 ` Catalin Marinas 2018-08-28 15:51 ` [PATCH v5 08/27] irqchip/gic: Unify GIC priority definitions Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-10-03 9:24 ` Marc Zyngier 2018-10-03 9:24 ` Marc Zyngier 2018-08-28 15:51 ` [PATCH v5 09/27] irqchip/gic: Lower priority of GIC interrupts Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 10/27] arm64: cpufeature: Add cpufeature for IRQ priority masking Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 11/27] arm64: Make PMR part of task context Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 12/27] arm64: Unmask PMR before going idle Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 13/27] arm/arm64: gic-v3: Add helper functions to manage IRQ priorities Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 14/27] arm64: kvm: Unmask PMR before entering guest Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 15/27] arm64: irqflags: Use ICC_PMR_EL1 for interrupt masking Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-09-21 17:39 ` Julien Thierry 2018-09-21 17:39 ` Julien Thierry 2018-09-21 17:55 ` Julien Thierry 2018-09-21 17:55 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 16/27] arm64: daifflags: Include PMR in daifflags restore operations Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 17/27] irqchip/gic-v3: Factor group0 detection into functions Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 18/27] irqchip/gic-v3: Do not overwrite PMR value Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 19/27] irqchip/gic-v3: Remove acknowledge loop Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-10-03 9:26 ` Marc Zyngier 2018-10-03 9:26 ` Marc Zyngier 2018-08-28 15:51 ` [PATCH v5 20/27] irqchip/gic-v3: Switch to PMR masking after IRQ acknowledge Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 21/27] arm64: Switch to PMR masking when starting CPUs Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 22/27] arm64: Add build option for IRQ masking via priority Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 23/27] arm64: Handle serror in NMI context Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 24/27] irqchip/gic-v3: Detect current view of GIC priorities Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` [PATCH v5 25/27] irqchip/gic-v3: Add base support for pseudo-NMI Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-28 15:51 ` Julien Thierry [this message] 2018-08-28 15:51 ` [PATCH v5 26/27] irqchip/gic: Add functions to access irq priorities Julien Thierry 2018-08-28 15:51 ` [PATCH v5 27/27] irqchip/gic-v3: Allow interrupts to be set as pseudo-NMI Julien Thierry 2018-08-28 15:51 ` Julien Thierry 2018-08-29 11:37 ` [PATCH v5 00/27] arm64: provide pseudo NMI with GICv3 Daniel Thompson 2018-08-29 11:37 ` Daniel Thompson 2018-08-29 12:58 ` Julien Thierry 2018-08-29 12:58 ` Julien Thierry
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