From: Shanker Donthineni <shankerd@codeaurora.org>
To: Marc Zyngier <marc.zyngier@arm.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Jason Cooper <jason@lakedaemon.net>,
Vikram Sethi <vikrams@codeaurora.org>,
Philip Elcan <pelcan@codeaurora.org>,
Shanker Donthineni <shankerd@codeaurora.org>
Subject: [PATCH V4 0/5] Add two-level support for ITS device table
Date: Mon, 6 Jun 2016 00:40:31 -0500 [thread overview]
Message-ID: <1465191636-6823-1-git-send-email-shankerd@codeaurora.org> (raw)
This patchset contains necessary code changes to support two-level
(Indirection) table walk feature for device table.
Shanker Donthineni (5):
irqchip/gicv3-its: Introduce two helper functions for accessing BASERn
irqchip/gicv3-its: Add a new function for parsing device table BASERn
irqchip/gicv3-its: Split its_alloc_tables() into two functions
irqchip/gicv3-its: Remove an unused argument 'node_name'
irqchip/gicv3-its: Implement two-level(indirect) device table support
drivers/irqchip/irq-gic-v3-its.c | 414 +++++++++++++++++++++++--------------
include/linux/irqchip/arm-gic-v3.h | 4 +
2 files changed, 266 insertions(+), 152 deletions(-)
--
This patchset created on top of Marc Zyngier's branch https://git.kernel.org/cgit/linux/kernel/git/maz/arm-platforms.git/log/?h=irq/irqchip-4.7-rc1
I have tested the Indirection feature on Qualcomm Technologies QDF2XXX server platform. See the below ITS driver log mesaages.
[ 0.000000] GICv3: GIC: Using split EOI/Deactivate mode
[ 0.000000] ITS@0x00000000397e0000
[ 0.000000] ITS@0x00000000397e0000: allocated 524288 Devices @47c0400000 (indirect, esz 8, psz 64K, shr 1)
[ 0.000000] ITS@0x00000000397e0000: allocated 8192 Interrupt Collections @47c0050000 (flat, esz 8, psz 64K, shr 1)
[ 0.000000] ITS@0x00000000397e0000: allocated 8192 Virtual CPUs @47c0060000 (flat, esz 8, psz 64K, shr 1)
Changes since v3:
Added pathces 1/5, 2/5 and 4/5.
Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next reply other threads:[~2016-06-06 5:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-06 5:40 Shanker Donthineni [this message]
2016-06-06 5:40 ` [PATCH V4 1/5] irqchip/gicv3-its: Introduce two helper functions for accessing BASERn Shanker Donthineni
2016-06-06 8:37 ` Marc Zyngier
2016-06-06 12:59 ` Marc Zyngier
2016-06-06 5:40 ` [PATCH V4 2/5] irqchip/gicv3-its: Add a new function for parsing device table BASERn Shanker Donthineni
2016-06-06 5:40 ` [PATCH V4 3/5] irqchip/gicv3-its: Split its_alloc_tables() into two functions Shanker Donthineni
2016-06-06 5:40 ` [PATCH V4 4/5] irqchip/gicv3-its: Remove an unused argument 'node_name' Shanker Donthineni
2016-06-06 5:40 ` [PATCH V4 5/5] irqchip/gicv3-its: Implement two-level(indirect) device table support Shanker Donthineni
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