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[109.243.146.38]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-63c48ab560esm6966067a12.12.2025.10.20.08.58.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Oct 2025 08:58:18 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 98c24f20-adcd-11f0-980a-7dc792cee155 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1760975898; x=1761580698; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4bBWp0cZZfbhFMln+pmHCUN44UHPmvo/arXunhT5jKE=; b=TzdxuHks/JptFCI0GTpHHjlb8Pw+IxBip8LxvSDziFwQuqGxnE9JgzWI8lzzOtkC4v J9+8eP3pb3tCFfmBpbwDJ2lvy71Pz0cr7eRpyk0Rt+K6vj6u6vZbrGnzs1HrNzFV/1dw 9yYbfK96RCoRO8iGk+CuRseHKpkXmZ4G6A9pjrqTKtgff9W8ibKBOodjFYa7yi5A0KAQ MQ494ET/TztiofIM3gd4WYKcMCkdavc3PcdJIIDQyALthlMmIAyHieNQ4v2DRlYOUxQL VyRw7GHQkuX0TGTiJwa3yeQVzObj7/e0QnZirNRyb9tqHqr0K1kgulIcGLOZJJLVLt2M 61BQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760975898; x=1761580698; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4bBWp0cZZfbhFMln+pmHCUN44UHPmvo/arXunhT5jKE=; b=DhDTDA1DWyiqgnG3PtR1jwhrdjM9uz+oGF3UsnpQKbpUaHpBp34xSs4WobnBtyxFsg h6Yz0zQJdSRVxQN8toPVwU20LS8V2EZ+Vg03UKM47+M7tEKDn9qtmOhQV0b65zEd5psM 33DkZWJ15kaTqYn8jh8bpHbjkax+O6f1sq2rtY1zWwiCsTNHm/39Fd7sDRUcT8L8Az6G K6Il25W5sd0R5dD9K5Mh23k0ZUluOPCDBHnyeWr6int8X9trj1ng0wAM/AJjmB/tJayT K2cdwLHRKIS9nmooSKIqg11LgHprfe41FwGtz9vDIrgenx6dDhSnHt8X+Y6XPhqRRAeK uBKw== X-Gm-Message-State: AOJu0YziQDlWEkL11OVDciSrDgTqAe0E2cxrnH5hwsb4lZ6mwNFkjJBI C/Qg7JLd9TC8yczdbv0XodcrvpON3onHIS+viTtSnXoPyK6zJgS+z3b8wwoI9A== X-Gm-Gg: ASbGncscUcSXgEgmVDnNNb2nFRmR/UhKiW7xAvjgMVs06pJHMZsI6J1yAmq4msvTksU rCUjJjGdX5/Sg249wOsxaxpQJslFtb9Eha25kE5MJM+OSs19xFJG9wdlEak6Ch2xOPRqUoyDl4V WGwA9bLlzqSPP6TdneSwD+KqVbNXkyI4JotCb5LXT7qxIJEm/ylvJ8kkpHhBB7kLcrcdtHLiPdg tzGCFxoLlaDsxfuxOVo6acNdTkfvDubM+PKTM7Icdkc7S7CXcYCKZ05GTE0oRMzx3R2KbgVtOf9 Xt0XNzoP1OX8Qbkw+x4hxh8CN2wHtQ3gsiq86ChaUgFU2RI8CSYDMo7RaRVlMuTgnfvS/wdpzsy glNUqW/AUQ8uOhab3gN+eeCevvogbNubFt5veHIJhYdVfvi7XXF8XCJHIkPc4d5fuNwrZOf2xR6 i5oMhPF/KvfqWQuaSRfWSxtsulN+Das+uT5lZS0H3iPWrJrA4= X-Google-Smtp-Source: AGHT+IHKzfgKW4bZ1DeL5o8aeZFWZ/+PF8Y+PPAhdeMS/8XKyHNiU4gsFiCPZ1uP6C2Xem5giTelUw== X-Received: by 2002:aa7:d698:0:b0:631:6acd:fa3a with SMTP id 4fb4d7f45d1cf-63bfcdd5015mr13393417a12.4.1760975898483; Mon, 20 Oct 2025 08:58:18 -0700 (PDT) From: Oleksii Kurochko To: xen-devel@lists.xenproject.org Cc: Oleksii Kurochko , Stefano Stabellini , Julien Grall , Bertrand Marquis , Michal Orzel , Volodymyr Babchuk , Jan Beulich Subject: [for 4.22 v5 08/18] xen/dom0less: abstract Arm-specific p2m type name for device MMIO mappings Date: Mon, 20 Oct 2025 17:57:51 +0200 Message-ID: <4cd92470b044ea63ebfb2170734ca2a68e0bf420.1760974017.git.oleksii.kurochko@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1760975919678158500 Introduce arch_dt_passthrough_p2m_type() and use it instead of `p2m_mmio_direct_dev` to avoid leaking Arm-specific naming into common Xen code, such as dom0less passthrough property handling. This helps reduce platform-specific terminology in shared logic and improves clarity for future non-Arm ports (e.g. RISC-V or PowerPC). No functional changes =E2=80=94 the definition is preserved via a static in= line function for Arm. Suggested-by: Jan Beulich Signed-off-by: Oleksii Kurochko --- Changes in V5: - Nothing changed. Only rebase. --- Changes in V4: - Introduce arch_dt_passthrough_p2m_type() instead of re-defining of p2m_mmio_direct. --- Changes in V3: - New patch. --- xen/arch/arm/include/asm/p2m.h | 5 +++++ xen/common/device-tree/dom0less-build.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/xen/arch/arm/include/asm/p2m.h b/xen/arch/arm/include/asm/p2m.h index ef98bc5f4d..010ce8c9eb 100644 --- a/xen/arch/arm/include/asm/p2m.h +++ b/xen/arch/arm/include/asm/p2m.h @@ -137,6 +137,11 @@ typedef enum { p2m_max_real_type, /* Types after this won't be store in the p2m */ } p2m_type_t; =20 +static inline p2m_type_t arch_dt_passthrough_p2m_type(void) +{ + return p2m_mmio_direct_dev; +} + /* We use bitmaps and mask to handle groups of types */ #define p2m_to_mask(_t) (1UL << (_t)) =20 diff --git a/xen/common/device-tree/dom0less-build.c b/xen/common/device-tr= ee/dom0less-build.c index 9fd004c42a..8214a6639f 100644 --- a/xen/common/device-tree/dom0less-build.c +++ b/xen/common/device-tree/dom0less-build.c @@ -185,7 +185,7 @@ static int __init handle_passthrough_prop(struct kernel= _info *kinfo, gaddr_to_gfn(gstart), PFN_DOWN(size), maddr_to_mfn(mstart), - p2m_mmio_direct_dev); + arch_dt_passthrough_p2m_type()); if ( res < 0 ) { printk(XENLOG_ERR --=20 2.51.0