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From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
	Oliver Upton <oliver.upton@linux.dev>,
	James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev,
	Mark Brown <broonie@kernel.org>,
	Shaoqin Huang <shahuang@redhat.com>
Subject: [PATCH v2 3/7] arm64/sysreg: Standardise naming of bitfield constants in OSL[AS]R_EL1
Date: Tue, 23 May 2023 19:36:00 +0100	[thread overview]
Message-ID: <20230419-arm64-syreg-gen-v2-3-e0064336e2dd@kernel.org> (raw)
In-Reply-To: <20230419-arm64-syreg-gen-v2-0-e0064336e2dd@kernel.org>

Our standard scheme for naming the constants for bitfields in system
registers includes _ELx in the name but not the SYS_, update the
constants for OSL[AS]R_EL1 to follow this convention.

Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 arch/arm64/include/asm/kvm_host.h |  2 +-
 arch/arm64/include/asm/sysreg.h   | 10 +++++-----
 arch/arm64/kvm/sys_regs.c         | 10 +++++-----
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 7e7e19ef6993..e759e6b0cd02 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -1031,7 +1031,7 @@ void kvm_arm_clear_debug(struct kvm_vcpu *vcpu);
 void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu);
 
 #define kvm_vcpu_os_lock_enabled(vcpu)		\
-	(!!(__vcpu_sys_reg(vcpu, OSLSR_EL1) & SYS_OSLSR_OSLK))
+	(!!(__vcpu_sys_reg(vcpu, OSLSR_EL1) & OSLSR_EL1_OSLK))
 
 int kvm_arm_vcpu_arch_set_attr(struct kvm_vcpu *vcpu,
 			       struct kvm_device_attr *attr);
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 95de1aaee0e9..979975c8be2c 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -144,13 +144,13 @@
 #define SYS_MDRAR_EL1			sys_reg(2, 0, 1, 0, 0)
 
 #define SYS_OSLAR_EL1			sys_reg(2, 0, 1, 0, 4)
-#define SYS_OSLAR_OSLK			BIT(0)
+#define OSLAR_EL1_OSLK			BIT(0)
 
 #define SYS_OSLSR_EL1			sys_reg(2, 0, 1, 1, 4)
-#define SYS_OSLSR_OSLM_MASK		(BIT(3) | BIT(0))
-#define SYS_OSLSR_OSLM_NI		0
-#define SYS_OSLSR_OSLM_IMPLEMENTED	BIT(3)
-#define SYS_OSLSR_OSLK			BIT(1)
+#define OSLSR_EL1_OSLM_MASK		(BIT(3) | BIT(0))
+#define OSLSR_EL1_OSLM_NI		0
+#define OSLSR_EL1_OSLM_IMPLEMENTED	BIT(3)
+#define OSLSR_EL1_OSLK			BIT(1)
 
 #define SYS_OSDLR_EL1			sys_reg(2, 0, 1, 3, 4)
 #define SYS_DBGPRCR_EL1			sys_reg(2, 0, 1, 4, 4)
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 71b12094d613..e834d8897843 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -388,9 +388,9 @@ static bool trap_oslar_el1(struct kvm_vcpu *vcpu,
 		return read_from_write_only(vcpu, p, r);
 
 	/* Forward the OSLK bit to OSLSR */
-	oslsr = __vcpu_sys_reg(vcpu, OSLSR_EL1) & ~SYS_OSLSR_OSLK;
-	if (p->regval & SYS_OSLAR_OSLK)
-		oslsr |= SYS_OSLSR_OSLK;
+	oslsr = __vcpu_sys_reg(vcpu, OSLSR_EL1) & ~OSLSR_EL1_OSLK;
+	if (p->regval & OSLAR_EL1_OSLK)
+		oslsr |= OSLSR_EL1_OSLK;
 
 	__vcpu_sys_reg(vcpu, OSLSR_EL1) = oslsr;
 	return true;
@@ -414,7 +414,7 @@ static int set_oslsr_el1(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 	 * The only modifiable bit is the OSLK bit. Refuse the write if
 	 * userspace attempts to change any other bit in the register.
 	 */
-	if ((val ^ rd->val) & ~SYS_OSLSR_OSLK)
+	if ((val ^ rd->val) & ~OSLSR_EL1_OSLK)
 		return -EINVAL;
 
 	__vcpu_sys_reg(vcpu, rd->reg) = val;
@@ -1781,7 +1781,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
 	{ SYS_DESC(SYS_MDRAR_EL1), trap_raz_wi },
 	{ SYS_DESC(SYS_OSLAR_EL1), trap_oslar_el1 },
 	{ SYS_DESC(SYS_OSLSR_EL1), trap_oslsr_el1, reset_val, OSLSR_EL1,
-		SYS_OSLSR_OSLM_IMPLEMENTED, .set_user = set_oslsr_el1, },
+		OSLSR_EL1_OSLM_IMPLEMENTED, .set_user = set_oslsr_el1, },
 	{ SYS_DESC(SYS_OSDLR_EL1), trap_raz_wi },
 	{ SYS_DESC(SYS_DBGPRCR_EL1), trap_raz_wi },
 	{ SYS_DESC(SYS_DBGCLAIMSET_EL1), trap_raz_wi },

-- 
2.30.2


  parent reply	other threads:[~2023-05-23 18:36 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-23 18:35 [PATCH v2 0/7] b4/sysreg: More conversions to automatic generation Mark Brown
2023-05-23 18:35 ` [PATCH v2 1/7] arm64/sysreg: Convert MDCCINT_EL1 to automatic register generation Mark Brown
2023-05-23 18:35 ` [PATCH v2 2/7] arm64/sysreg: Convert MDSCR_EL1 " Mark Brown
2023-05-23 18:36 ` Mark Brown [this message]
2023-05-23 18:36 ` [PATCH v2 4/7] arm64/sysreg: Convert OSLAR_EL1 to automatic generation Mark Brown
2023-05-23 18:36 [PATCH v2 0/7] arm64/sysreg: More conversions " Mark Brown
2023-05-23 18:37 ` [PATCH v2 3/7] arm64/sysreg: Standardise naming of bitfield constants in OSL[AS]R_EL1 Mark Brown

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