From: Eric Auger <eric.auger@redhat.com>
To: eric.auger.pro@gmail.com, eric.auger@redhat.com, maz@kernel.org,
kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org,
qemu-devel@nongnu.org, qemu-arm@nongnu.org
Cc: drjones@redhat.com, andre.przywara@arm.com,
peter.maydell@linaro.org, yuzenghui@huawei.com,
alexandru.elisei@arm.com, thuth@redhat.com
Subject: [kvm-unit-tests PATCH v3 07/14] arm/arm64: gicv3: Enable/Disable LPIs at re-distributor level
Date: Tue, 28 Jan 2020 11:34:52 +0100 [thread overview]
Message-ID: <20200128103459.19413-8-eric.auger@redhat.com> (raw)
In-Reply-To: <20200128103459.19413-1-eric.auger@redhat.com>
This helper function controls the signaling of LPIs at
redistributor level.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
v2 -> v3:
- move the helper in lib/arm/gic-v3.c
- rename the function with gicv3_lpi_ prefix
- s/report_abort/assert
---
lib/arm/asm/gic-v3.h | 1 +
lib/arm/gic-v3.c | 17 +++++++++++++++++
2 files changed, 18 insertions(+)
diff --git a/lib/arm/asm/gic-v3.h b/lib/arm/asm/gic-v3.h
index ec2a6f0..734c0c0 100644
--- a/lib/arm/asm/gic-v3.h
+++ b/lib/arm/asm/gic-v3.h
@@ -96,6 +96,7 @@ extern void gicv3_lpi_set_config(int n, u8 val);
extern u8 gicv3_lpi_get_config(int n);
extern void gicv3_lpi_set_pending_table_bit(int rdist, int n, bool set);
extern void gicv3_lpi_alloc_tables(void);
+extern void gicv3_lpi_rdist_ctrl(u32 redist, bool set);
static inline void gicv3_do_wait_for_rwp(void *base)
{
diff --git a/lib/arm/gic-v3.c b/lib/arm/gic-v3.c
index c33f883..7865d01 100644
--- a/lib/arm/gic-v3.c
+++ b/lib/arm/gic-v3.c
@@ -210,4 +210,21 @@ void gicv3_lpi_set_pending_table_bit(int rdist, int n, bool set)
byte &= ~mask;
*ptr = byte;
}
+
+void gicv3_lpi_rdist_ctrl(u32 redist, bool set)
+{
+ void *ptr;
+ u64 val;
+
+ assert(redist < nr_cpus);
+
+ ptr = gicv3_data.redist_base[redist];
+ val = readl(ptr + GICR_CTLR);
+ if (set)
+ val |= GICR_CTLR_ENABLE_LPIS;
+ else
+ val &= ~GICR_CTLR_ENABLE_LPIS;
+ writel(val, ptr + GICR_CTLR);
+}
#endif /* __aarch64__ */
+
--
2.20.1
next prev parent reply other threads:[~2020-01-28 10:36 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-28 10:34 [kvm-unit-tests PATCH v3 00/14] arm/arm64: Add ITS tests Eric Auger
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 01/14] libcflat: Add other size defines Eric Auger
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 02/14] arm: gic: Provide per-IRQ helper functions Eric Auger
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 03/14] arm/arm64: gic: Introduce setup_irq() helper Eric Auger
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 04/14] arm/arm64: gicv3: Add some re-distributor defines Eric Auger
2020-02-06 14:35 ` Zenghui Yu
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 05/14] arm/arm64: ITS: Introspection tests Eric Auger
2020-02-06 15:12 ` Zenghui Yu
2020-02-07 10:19 ` Andrew Jones
2020-03-04 14:20 ` Auger Eric
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 06/14] arm/arm64: gicv3: Set the LPI config and pending tables Eric Auger
2020-02-07 2:12 ` Zenghui Yu
2020-03-05 19:40 ` Auger Eric
2020-02-07 12:11 ` Andrew Jones
2020-01-28 10:34 ` Eric Auger [this message]
2020-02-07 12:14 ` [kvm-unit-tests PATCH v3 07/14] arm/arm64: gicv3: Enable/Disable LPIs at re-distributor level Andrew Jones
2020-02-07 12:19 ` Andrew Jones
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 08/14] arm/arm64: ITS: its_enable_defaults Eric Auger
2020-02-07 3:20 ` Zenghui Yu
2020-03-04 14:26 ` Auger Eric
2020-03-05 6:30 ` Zenghui Yu
2020-02-07 12:41 ` Andrew Jones
2020-03-05 17:59 ` Auger Eric
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 09/14] arm/arm64: ITS: Device and collection Initialization Eric Auger
2020-02-07 5:41 ` Zenghui Yu
2020-03-05 19:42 ` Auger Eric
2020-02-07 12:51 ` Andrew Jones
2020-03-06 8:47 ` Auger Eric
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 10/14] arm/arm64: ITS: commands Eric Auger
2020-02-07 13:37 ` Andrew Jones
2020-03-06 9:13 ` Auger Eric
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 11/14] arm/arm64: ITS: INT functional tests Eric Auger
2020-02-07 13:15 ` Andrew Jones
2020-03-06 12:55 ` Auger Eric
2020-03-06 13:29 ` Andrew Jones
2020-03-06 13:40 ` Auger Eric
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 12/14] arm/run: Allow Migration tests Eric Auger
2020-01-29 8:07 ` Thomas Huth
2020-01-29 9:29 ` Auger Eric
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 13/14] arm/arm64: ITS: migration tests Eric Auger
2020-02-07 13:49 ` Andrew Jones
2020-03-06 13:06 ` Auger Eric
2020-01-28 10:34 ` [kvm-unit-tests PATCH v3 14/14] arm/arm64: ITS: pending table migration test Eric Auger
2020-02-07 14:06 ` Andrew Jones
2020-03-06 13:21 ` Auger Eric
2020-03-06 13:36 ` Andrew Jones
2020-03-06 13:41 ` Auger Eric
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