From nobody Mon Feb 9 09:51:45 2026 Received: from mail-pl1-f171.google.com (mail-pl1-f171.google.com [209.85.214.171]) (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 350AE2D3732 for ; Tue, 23 Dec 2025 14:14:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766499261; cv=none; b=IDG8aFLF/+13aUOAB1bGKb386XF6B8ztmW6UrJpF/mwdaPRT4inQN5Oz5sR4aJzZN5EBksl9a2INriUU1KVgltUe6CvnV7QyiwPzGwjUTYzc5v1E+gu9IScNce9l8J/30V5ivV7n/xxppGt2WMD88vjV7JvU0LxlKQqj0F94vzQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766499261; c=relaxed/simple; bh=tTm+zqXwen50SB01rU9h2NYFDbVkJ0agw2KXYp566Rw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=H7qHzCZ/E9n9og+mKloxd1ThXjwzc23X9igSqYZhInAGGiQjJs2AkT/lazIzLsDq0ARKjK7Zmlgcz0gXdZYVfPLXcSDffCglkWmnIVdJNY8ykatHWKwqDo4RPicWCuD7vToxyHbud2ETL2kOmvti31CUs072hcwK/T6fGISiBos= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=J/5CiPqT; arc=none smtp.client-ip=209.85.214.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="J/5CiPqT" Received: by mail-pl1-f171.google.com with SMTP id d9443c01a7336-2a0a95200e8so46562335ad.0 for ; Tue, 23 Dec 2025 06:14:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1766499259; x=1767104059; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=93Pf6X13SUCkXiU5R7ykDf2LAtr96ckHMpNWb3vo6Bg=; b=J/5CiPqT4QgucJhjx4CcahTrMV1ZXw1EguL81FjxcwD6sW+jeNegLUjQjTjm9Bmr9n 1xp5ANkr8TJrGB54i3wobzudxv32IlJ1B/rcjLU+RzOgpZK7aTE519RQlLSSloPjAhJN ONAOFA3tpVYmK4hbhwlIzeGw0M1dZK5Gc7eb3iwrpMclX+0H2Cnir0SYUthCbxGdDOUT HC2NtqBwxgcrBE4dMKi4lyzYvDKOdxcEY2IdBWGYFjVHIlPU6AnJrUD7f4dsJ/r4At+p ZgPXqm/Q0DKy++wCoVimLE6V1J96SMnLT2JuofdaLDLwvY2fomlTUSmUjBW+VrIkLJaV 3XAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1766499259; x=1767104059; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=93Pf6X13SUCkXiU5R7ykDf2LAtr96ckHMpNWb3vo6Bg=; b=vXkPBXY4vzcMgKxJQmevEF3+cS8Wdnf19hxlp6FA2jhtGP23IITV+xnSktuHPVkpL2 RqLtSAu955nlKOEUsZtNKWVkTJAj7U8nTy/+pnokcAOJWU84COlyHXavqUsuxwU8XvxQ hqyKECh8xUsTa8tItvme1Zt5WU+hBWvvCdmhZEG8Wc5lZffIepkrhFGTIqWPpNjlfDUe gOiNCmOO8BKKfJZRC+HnXMbMYsOT1m27+AR7aUcp7DQ7t5u1VRA3SCIEUQZTLJPRmkwk ZAelq3CrLPJhq1F1ksihSSGPMe3WXithvaHTvKCRcAbBu/v4rGxs3jNxCYVIOAqE5CAf 8esg== X-Forwarded-Encrypted: i=1; AJvYcCXMcexpstV8XMej1E4LDC4TbK5kSxDw5AHEdbPX5db0/iYlM6ExxSYfKnJJ3F5xxuSl0ggOYFkFhehNE1k=@vger.kernel.org X-Gm-Message-State: AOJu0YzmlAR/Aiqmzq5GKd1T3f458dB2ThKL+ls7xzf9iDcIeTEpIiJD MdSuRWVKn3pT7zwHUtYHjxlQSElKdB7j0+JUmnT8lD+LFz0NPvUCGEKodUlV0A== X-Gm-Gg: AY/fxX4XM9WIc7z6AfSaneMTQ1I+XbA63pkdVfqDZ2AjME6YxT2+jzqxousx2Zu/qHi cCOpHzroheeZ4CzJm/Yb/hM7p+RHDfS/DWtxyRx3G7GMmrKiBWdMcy1Scg/dOjaminEk6utmhqM AN1EkNyncwMM40+M9wGz05dqm13tKsYOlPNqSdUtvUtlNncs8VarFce7k7JQr2JrkG3hG1zJDl6 buGbF87xtPLnw8tEKoF4tufN8nFgEKD8SVZFRkgI8TGLdsSr5ueclh7rkamCkNI+8hQce+t4rUU t1sYZjSH6y19mf/cdB67CQR5Sk9YDXDpSC9ekqiPEtvNKbBfrsLiJPNQNJV/AZenDsWA1F9QdQX CzsTLhbDBTKbaTQTHYNYWWQiFdUY6ZFMweJ6ScpthuaREdt7cKUunZXOGk1ICqpHERSIfDLI7Kh y0oMWPkNWzTeZd X-Google-Smtp-Source: AGHT+IFxxP4o8t9oxgJnfMD7Rvph5B8jqUM/0u1lCIkIRDfEj0VekGFpThdkzLHanj3mcLJ2UNhZtw== X-Received: by 2002:a17:903:19cf:b0:2a0:abba:a2f4 with SMTP id d9443c01a7336-2a2f2202f9fmr180596745ad.2.1766499258811; Tue, 23 Dec 2025 06:14:18 -0800 (PST) Received: from [127.0.1.1] ([59.188.211.98]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-2a2f3d5dea1sm126783015ad.81.2025.12.23.06.14.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Dec 2025 06:14:18 -0800 (PST) From: Nick Chan Date: Tue, 23 Dec 2025 22:13:43 +0800 Subject: [PATCH 2/3] soc: apple: rtkit: Add protocol version 10 support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251223-rtkit-v10-v1-2-12b4783d6403@gmail.com> References: <20251223-rtkit-v10-v1-0-12b4783d6403@gmail.com> In-Reply-To: <20251223-rtkit-v10-v1-0-12b4783d6403@gmail.com> To: Sven Peter , Janne Grunau , Neal Gompa , Lee Jones Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2685; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=tTm+zqXwen50SB01rU9h2NYFDbVkJ0agw2KXYp566Rw=; b=owEBbQKS/ZANAwAKAQHKCLemxQgkAcsmYgBpSqO00cm9gv6KSqRnEOw+U36x5MViiExoXK7ex +D6c8eT/xeJAjMEAAEKAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCaUqjtAAKCRABygi3psUI JJ+HEACIk6GTMOs0PDPBjmRg01FJtNN9rcdzL8dCpXfy5X/I1/6GLZI+H2rJMZU7lNdCazplt4v aGYE6aL+d1xpwKsEFGGR2nKfu2No0WRAsBJeFXcjQRYbMuKTBWwg6Q5MTdMXnZ/HVzXZSd2rURj IWQ7KxszSNG23lX8pzC5Dd1RbnY6C2bfaYShPzmOShThArTTR0kmVGgJIMphlQYS+n6rlCgqES/ fnu6LF7mC23G1HcAKInIuh2mg5dbDu8pvg0N8g9qIvEVIoXbsasBxWA5RUAXt1aYjskiyJTbZEV BQ9l6FBzjaY/wmIBV72/d0SGXsRCTUOcy08cP2P0tT+CwGeMUZ0iJ9jqQAazSce15j3lsTvVlcq SwN7tGJKJs2GcDds+HWCSD9hCVLhzCkKzWYgoz5+ahmRe9DZqbVpD09IT48CYKAU1/2X25h20Bk sr5G9nu76yqXVj4JhrfB7dmYsMIOGsOtfmn+lA1vPI0hQajvTePtqtJIyB1gjoUf9C5DgyImncu onMIVq6Ysc25U5Iuot9o3EckNK0mPnen76ldjS1ckH28YC+FkqktlYWmEdDKQB7xnhesI7EqvJL YODj3XltpvKFNr3q6RsBKclhQEOXrwYgnjna6BTJej+dluDTQ11ZmiiMMy0JaGPzXBptqldbg25 88uroAOXqqLp2yg== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add support for protocol version 10 used from iOS 11-13. In protocol version 10, epmap is always completed within a single message, and app endpoints start at 0x6 instead of 0x20. Signed-off-by: Nick Chan --- drivers/soc/apple/rtkit-internal.h | 1 + drivers/soc/apple/rtkit.c | 19 ++++++++++++------- 2 files changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/soc/apple/rtkit-internal.h b/drivers/soc/apple/rtkit-i= nternal.h index 52ef7a202120eb8a56c149179389741ec0f5e358..5f91dea8b7a178b368783d74f8c= 5786ea2965fa7 100644 --- a/drivers/soc/apple/rtkit-internal.h +++ b/drivers/soc/apple/rtkit-internal.h @@ -19,6 +19,7 @@ #include #include "mailbox.h" =20 +#define APPLE_RTKIT_APP_ENDPOINT_START_V10 0x6 #define APPLE_RTKIT_APP_ENDPOINT_START_V11 0x20 #define APPLE_RTKIT_MAX_ENDPOINTS 0x100 =20 diff --git a/drivers/soc/apple/rtkit.c b/drivers/soc/apple/rtkit.c index 716d6a3e6eefd82d919467e39d68245c5c0d137c..376d1d30fd1e2176357c1daa24c= 76300c7c70f85 100644 --- a/drivers/soc/apple/rtkit.c +++ b/drivers/soc/apple/rtkit.c @@ -71,7 +71,7 @@ enum { #define APPLE_RTKIT_OSLOG_SIZE GENMASK_ULL(55, 36) #define APPLE_RTKIT_OSLOG_IOVA GENMASK_ULL(35, 0) =20 -#define APPLE_RTKIT_MIN_SUPPORTED_VERSION 11 +#define APPLE_RTKIT_MIN_SUPPORTED_VERSION 10 #define APPLE_RTKIT_MAX_SUPPORTED_VERSION 12 =20 struct apple_rtkit_rx_work { @@ -140,7 +140,10 @@ static void apple_rtkit_management_rx_hello(struct app= le_rtkit *rtk, u64 msg) want_ver); rtk->version =3D want_ver; =20 - rtk->app_ep_start =3D APPLE_RTKIT_APP_ENDPOINT_START_V11; + if (rtk->version < 11) + rtk->app_ep_start =3D APPLE_RTKIT_APP_ENDPOINT_START_V10; + else + rtk->app_ep_start =3D APPLE_RTKIT_APP_ENDPOINT_START_V11; =20 reply =3D FIELD_PREP(APPLE_RTKIT_MGMT_HELLO_MINVER, want_ver); reply |=3D FIELD_PREP(APPLE_RTKIT_MGMT_HELLO_MAXVER, want_ver); @@ -171,14 +174,16 @@ static void apple_rtkit_management_rx_epmap(struct ap= ple_rtkit *rtk, u64 msg) } =20 reply =3D FIELD_PREP(APPLE_RTKIT_MGMT_EPMAP_BASE, base); - if (msg & APPLE_RTKIT_MGMT_EPMAP_LAST) - reply |=3D APPLE_RTKIT_MGMT_EPMAP_LAST; - else - reply |=3D APPLE_RTKIT_MGMT_EPMAP_REPLY_MORE; + if (rtk->version > 10) { + if (msg & APPLE_RTKIT_MGMT_EPMAP_LAST) + reply |=3D APPLE_RTKIT_MGMT_EPMAP_LAST; + else + reply |=3D APPLE_RTKIT_MGMT_EPMAP_REPLY_MORE; + } =20 apple_rtkit_management_send(rtk, APPLE_RTKIT_MGMT_EPMAP_REPLY, reply); =20 - if (!(msg & APPLE_RTKIT_MGMT_EPMAP_LAST)) + if (rtk->version > 10 && !(msg & APPLE_RTKIT_MGMT_EPMAP_LAST)) return; =20 for_each_set_bit(ep, rtk->endpoints, rtk->app_ep_start) { --=20 2.52.0