linux-kernel - [RFC PATCH 1/8] riscv: Add new error codes defined by SBI v3.0

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Message-ID: <20241216084817.373131-2-apatel@ventanamicro.com>
Date: Mon, 16 Dec 2024 14:18:10 +0530
From: Anup Patel <apatel@...tanamicro.com>
To: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jassi Brar <jassisinghbrar@...il.com>
Cc: Palmer Dabbelt <palmer@...belt.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Sunil V L <sunilvl@...tanamicro.com>,
	Rahul Pathak <rpathak@...tanamicro.com>,
	Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
	Atish Patra <atishp@...shpatra.org>,
	Andrew Jones <ajones@...tanamicro.com>,
	Anup Patel <anup@...infault.org>,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Anup Patel <apatel@...tanamicro.com>
Subject: [RFC PATCH 1/8] riscv: Add new error codes defined by SBI v3.0

The SBI v3.0 defines new error codes so add these new error codes
to the asm/sbi.h for use by newer SBI extensions.

Signed-off-by: Anup Patel <apatel@...tanamicro.com>
---
 arch/riscv/include/asm/sbi.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 6c82318065cf..bc35ad750e28 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -418,6 +418,10 @@ enum sbi_ext_nacl_feature {
 #define SBI_ERR_ALREADY_STARTED -7
 #define SBI_ERR_ALREADY_STOPPED -8
 #define SBI_ERR_NO_SHMEM	-9
+#define SBI_ERR_INVALID_STATE	-10
+#define SBI_ERR_BAD_RANGE	-11
+#define SBI_ERR_TIMEOUT		-12
+#define SBI_ERR_IO		-13
 
 extern unsigned long sbi_spec_version;
 struct sbiret {
@@ -504,9 +508,15 @@ static inline int sbi_err_map_linux_errno(int err)
 	case SBI_ERR_DENIED:
 		return -EPERM;
 	case SBI_ERR_INVALID_PARAM:
+	case SBI_ERR_INVALID_STATE:
+	case SBI_ERR_BAD_RANGE:
 		return -EINVAL;
 	case SBI_ERR_INVALID_ADDRESS:
 		return -EFAULT;
+	case SBI_ERR_TIMEOUT:
+		return -ETIMEDOUT;
+	case SBI_ERR_IO:
+		return -EIO;
 	case SBI_ERR_NOT_SUPPORTED:
 	case SBI_ERR_FAILURE:
 	default:
-- 
2.43.0