From nobody Wed Dec 17 14:04:43 2025 Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D6C95211464 for ; Tue, 18 Mar 2025 16:25:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742315137; cv=none; b=X7DsK+lBqIwFdv4ozzueDwGHNk1xS6O1jHPToL/CKYjy23UNFcb8Juut0+AOxUV8R0FVhqQjsggAoIDheZF2Tme/1ig9UcZP5y/Q3z94GzMc119rWzsynmhFDHqdBpD5n7ocg1Y63fWXyVaY0/+aVp2eq7lIY7mL2SQHnu8a0ro= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742315137; c=relaxed/simple; bh=+cUzHTM1msMshEPjgxhwtRV3Pje5egr7gsw54xqxOyE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=uuLOlmkcXSxwpuGnU8SpSffLooY3Fa4GG4g53mpa++U0AVAdD055C1PiXupXLIm/KW6LJxWWkXWFapS7QkgdsYMIVjl7X4P9FCb0Filv6QQwLS9Gw7Ybb7Xqv52jN2t37I/+kR8htCaL8KrW84H2iilDCdRkxKwWCQhHRBWW5qs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--sebastianene.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=qVvQF4LA; arc=none smtp.client-ip=209.85.128.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--sebastianene.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="qVvQF4LA" Received: by mail-wm1-f74.google.com with SMTP id 5b1f17b1804b1-43cf446681cso20307825e9.1 for ; Tue, 18 Mar 2025 09:25:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1742315134; x=1742919934; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=rDMdEEdy1VVckNvVv+9Uw4kcuPuHKQ0YP6w02i+CGWM=; b=qVvQF4LAetKeMgDvJOfL2m/YTCDjm/w3991u/MLSAo2GmEsy8a8rVTpQnD52fQK367 eGw34IOkyqaeCeNeDigWc6Cdm2vHaiTQa9u5g6kLb1BfkPkP4vuNVsYFsOj+/sKDfvPc Erc8Vl8pcPd/y2lRop3EQpuoKEoJjn0KnxzLr8lt1IhOI4Nh0l4WqhN2+Fek1uIsZzZj jhK7hR90BCt7vbYfYc3CYjTOB0hHt0uN6KOmlDeGDMXQYbEtc2libZ6jM/Xs5/cIwgQv H6Az/AktXvwlHph+DsZdGI91VPm2J22GCIO4+3htZYhDrzJCYc+zGPGBGh+XNKobhJPm rN3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742315134; x=1742919934; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=rDMdEEdy1VVckNvVv+9Uw4kcuPuHKQ0YP6w02i+CGWM=; b=JQJdyaTVimZYSICjdrSmg3K8bPmLr2utz4Q7EBvb9AtFspWNiJsPvg9wU+mqMSPlm4 bo8gm6ia9iP0CCutc0BE7KmModqNMFNuLsnNLl4aJsB9o1Fel8TeMRfLByK+4Nzzh0rX dAHgzdxdjfQBwgB+1xjfXr3+osNHvLyngHZE1vnakpaUsDm+LmcR01VLmzlObRmJOhjG GmmMU8j5umqoWVYlfVtwPc5LvC9XtKXXRVkfdQ7m0cEgTFLMVc3O1KpFuu28f6bkRbD+ Mg+Ql+hQ5M/PSjnYntp3x09JKJCelWPX366Dky/g3cmaSlJRtoz2ribpi/HVsfFPy+Vu t37w== X-Forwarded-Encrypted: i=1; AJvYcCVaGAHpnbMsemD03a+j9PdTxBFe+ksxANOOwhhXGinRRLq3HsCy5wl3yLy0txvFAmKtVggyFoaQMAC5BXE=@vger.kernel.org X-Gm-Message-State: AOJu0Yzcqf5X/HlPKhK0dRbW1kc+naYLPtdpxqWTxTkYRqfW3o/Dvp8r fvFLLNMGJcUigRAM6CKf/Y7Hvkl4Wm7TQuXG0RpUMNTaXK+bZhVSgT4oSm9XGFkegboJtu4MX3g qrH+ORtVwUwHKnPLGzaLZRSiyZA== X-Google-Smtp-Source: AGHT+IGrqCyZAj3WhiZpuq4EomsTyl0s1Z4lp12t9lZvwltIa9qDp+9pdQe/IpL9JiYdK9qni53p5x/BRGVpG+ks5V4= X-Received: from wmcn5.prod.google.com ([2002:a05:600c:c0c5:b0:43d:1db0:6628]) (user=sebastianene job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:3584:b0:43c:fd72:f028 with SMTP id 5b1f17b1804b1-43d3ba27a69mr28607885e9.29.1742315134353; Tue, 18 Mar 2025 09:25:34 -0700 (PDT) Date: Tue, 18 Mar 2025 16:25:09 +0000 In-Reply-To: <20250318162510.3280359-1-sebastianene@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250318162510.3280359-1-sebastianene@google.com> X-Mailer: git-send-email 2.49.0.rc1.451.g8f38331e32-goog Message-ID: <20250318162510.3280359-3-sebastianene@google.com> Subject: [PATCH v3 2/3] firmware: arm_ffa: Move the ffa_to_linux definition to the ffa header From: Sebastian Ene To: catalin.marinas@arm.com, joey.gouly@arm.com, maz@kernel.org, oliver.upton@linux.dev, sebastianene@google.com, snehalreddy@google.com, sudeep.holla@arm.com, suzuki.poulose@arm.com, vdonnefort@google.com, will@kernel.org, yuzenghui@huawei.com Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-team@android.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Keep the ffa_to_linux error map in the header and move it away from the arm ffa driver to make it accessible for other components. Signed-off-by: Sebastian Ene Reviewed-by: Sudeep Holla --- drivers/firmware/arm_ffa/driver.c | 24 ------------------------ include/linux/arm_ffa.h | 24 ++++++++++++++++++++++++ 2 files changed, 24 insertions(+), 24 deletions(-) diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/d= river.c index 2c2ec3c35f15..b02b80f3dfe8 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -61,30 +61,6 @@ =20 static ffa_fn *invoke_ffa_fn; =20 -static const int ffa_linux_errmap[] =3D { - /* better than switch case as long as return value is continuous */ - 0, /* FFA_RET_SUCCESS */ - -EOPNOTSUPP, /* FFA_RET_NOT_SUPPORTED */ - -EINVAL, /* FFA_RET_INVALID_PARAMETERS */ - -ENOMEM, /* FFA_RET_NO_MEMORY */ - -EBUSY, /* FFA_RET_BUSY */ - -EINTR, /* FFA_RET_INTERRUPTED */ - -EACCES, /* FFA_RET_DENIED */ - -EAGAIN, /* FFA_RET_RETRY */ - -ECANCELED, /* FFA_RET_ABORTED */ - -ENODATA, /* FFA_RET_NO_DATA */ - -EAGAIN, /* FFA_RET_NOT_READY */ -}; - -static inline int ffa_to_linux_errno(int errno) -{ - int err_idx =3D -errno; - - if (err_idx >=3D 0 && err_idx < ARRAY_SIZE(ffa_linux_errmap)) - return ffa_linux_errmap[err_idx]; - return -EINVAL; -} - struct ffa_pcpu_irq { struct ffa_drv_info *info; }; diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index 74169dd0f659..850577edadbc 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -475,4 +475,28 @@ struct ffa_ops { const struct ffa_notifier_ops *notifier_ops; }; =20 +static const int ffa_linux_errmap[] =3D { + /* better than switch case as long as return value is continuous */ + 0, /* FFA_RET_SUCCESS */ + -EOPNOTSUPP, /* FFA_RET_NOT_SUPPORTED */ + -EINVAL, /* FFA_RET_INVALID_PARAMETERS */ + -ENOMEM, /* FFA_RET_NO_MEMORY */ + -EBUSY, /* FFA_RET_BUSY */ + -EINTR, /* FFA_RET_INTERRUPTED */ + -EACCES, /* FFA_RET_DENIED */ + -EAGAIN, /* FFA_RET_RETRY */ + -ECANCELED, /* FFA_RET_ABORTED */ + -ENODATA, /* FFA_RET_NO_DATA */ + -EAGAIN, /* FFA_RET_NOT_READY */ +}; + +static inline int ffa_to_linux_errno(int errno) +{ + int err_idx =3D -errno; + + if (err_idx >=3D 0 && err_idx < ARRAY_SIZE(ffa_linux_errmap)) + return ffa_linux_errmap[err_idx]; + return -EINVAL; +} + #endif /* _LINUX_ARM_FFA_H */ --=20 2.49.0.rc1.451.g8f38331e32-goog