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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21105707064sm3022795ad.70.2024.10.30.20.55.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Oct 2024 20:55:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1730346920; x=1730951720; darn=nongnu.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=ed1DgwUYyhkwPW2XZOfchuohMKGJBL43fEPl2QoA32U=; b=ncVb/ob9PNC/XzdKSsnGIA4aGpZVx7BrYkf8uTKcPfPl0+hQYblAdmBjMTwxe1icKY YTr3a7esesJ/2BiDJkb1+PoyvRduLLOSJJa7qv1KQ+19ufWTooWFoJNx+9G8HIuZleD8 vUHi0nO8BwbYx4UUgp8aTAwP7Pn3/63xCXY6ZVQy/Qlj6YNSzbQEOZbGJF3OIGhR/j4S bMA0tXEHzklipR2QA6xkgxFPYuj6iP3UYrmk73nRXMSB1SPa0x1hJC23UimD1yWjdC4I W2Xgjm2HXmk9P/BFjfgdWS5wsBAZHepiTR0+vwru6FDlMLv1XsGRt1BumzXdtI79PXRO LXNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730346920; x=1730951720; 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=ed1DgwUYyhkwPW2XZOfchuohMKGJBL43fEPl2QoA32U=; b=UAYaBGunfF9RNcx7OMeWcD99yze9C+BuQCquaOZSdiSYGLkw5Jgz5Mo4AQWq5imUAP RqgZ2sp6c+Q+7I4H2HMZue6fPDvLjLPRioRcc4HpTJfjMzeWpxrKir+9gaOCGDD/qi3i 9TrfXdcDyjG92TZQssMWl6ve4+sNI3e3JYxrAMhXvr0qWp2e6eJejZVKuDi0y+t70nlK FoJhn+351ugZurK+EpN4DE0ro2mbwBAr6pzv8XP3OpSZVXN5bwWTXvZQO6Z6H/JPyQPm aH51COaYxO3CnwWqYJOvNVeghZPXVocp1G43+snJlymWepc+abyPRA2Fl0Mep8BtDC2i DgUw== X-Gm-Message-State: AOJu0Yy7U1qBmL9gAKhXMy0pFVbo5cnjVh7/ffYZGvjBLUwtKcJs1LUg RJde8ZX8vn6y6GhQfUAz/UnxpnQXilqHgyk/jGoB8oHi+fBBEdJKJcWu3WHu X-Google-Smtp-Source: AGHT+IFMShzPm1QuxQz3T/p06WpH4cSTsmEmKIKT5BzMIUcUcTHeoLzIZh/TTxVqCb5gfs3jUhB1YQ== X-Received: by 2002:a17:902:f543:b0:20c:5e86:9b53 with SMTP id d9443c01a7336-21103ab979emr22487565ad.3.1730346920257; Wed, 30 Oct 2024 20:55:20 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Tomasz Jeznach , Frank Chang , Jason Chien , Alistair Francis , Daniel Henrique Barboza Subject: [PULL 36/50] exec/memtxattr: add process identifier to the transaction attributes Date: Thu, 31 Oct 2024 13:53:04 +1000 Message-ID: <20241031035319.731906-37-alistair.francis@wdc.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241031035319.731906-1-alistair.francis@wdc.com> References: <20241031035319.731906-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62d; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62d.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1730346958445116600 Content-Type: text/plain; charset="utf-8" From: Tomasz Jeznach Extend memory transaction attributes with process identifier to allow per-request address translation logic to use requester_id / process_id to identify memory mapping (e.g. enabling IOMMU w/ PASID translations). Signed-off-by: Tomasz Jeznach Reviewed-by: Frank Chang Reviewed-by: Jason Chien Reviewed-by: Alistair Francis Signed-off-by: Daniel Henrique Barboza Message-ID: <20241016204038.649340-2-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis --- include/exec/memattrs.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/exec/memattrs.h b/include/exec/memattrs.h index 14cdd8d582..e27c18f3dc 100644 --- a/include/exec/memattrs.h +++ b/include/exec/memattrs.h @@ -52,6 +52,11 @@ typedef struct MemTxAttrs { unsigned int memory:1; /* Requester ID (for MSI for example) */ unsigned int requester_id:16; + + /* + * PID (PCI PASID) support: Limited to 8 bits process identifier. + */ + unsigned int pid:8; } MemTxAttrs; =20 /* Bus masters which don't specify any attributes will get this, --=20 2.47.0