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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71908fc8fdesm3833034b3a.1.2024.09.11.22.30.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2024 22:30:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1726119042; x=1726723842; 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=afEpHTThU9gcnAC+v8AUAUMqHz1ovSP2re97I4R4gXU=; b=KgglOKSIg2MmI2waqSM3mGr8nm36QuJndYnw1ySGxAPdzDSjnVf6/QzbjO1PbgXPNN Wbvl+xuHqEanhpAqhAqVldByOid6dvDK7VORw7fuNSRRLPr37jI9/Egy+LsZjgOHp+Am IJNLZjqsamyWLi1cqmqS9ZxIiyRi+cT1KrUQXowiRS/lZy80Cv/1mz07or6uUb20M8vK AjBYD+AoKvrD943OU+SRnHS3aDJBg9+qlyrfdO+9V3Rugfa56XITi1pBHxKK4LwvH/55 biqNrs/L68a0p3S6cha5NVjsDyTca7Be+Ds0kgVhkEk/C0mJiBt7ggOgAkOp+j2cjdT+ 9Vpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726119042; x=1726723842; 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=afEpHTThU9gcnAC+v8AUAUMqHz1ovSP2re97I4R4gXU=; b=Ytmknq8YvC/EQF6dIIyljbh9CTmzv5kftb6s3hL0+mP8hzoMHUAsZKEP8ueb9xKbjH +OtOooglyMXnmK3MScwJLyu9M34yAopDYptUzbcu40h5Ytb72+KZE9+uqAmRPEma1ShA zlr908+j7dwBr5s6pJw5/B4O/+wvhkqiCll3YKh5ePPl88qJCkOsYicNo2YZyWJRJKIA JCbbwjoRMlf1C3jd4HQwzH8Qoco4KmyuNuINZGMFZo3OYeZM7aR3zLdja9gu7sVFbgT3 qmWG4QlphtiINCp+jp74bBH+2x6Eqich9EDO8atOyF1z9RRxPBrRv+IxRLyxWQxG3D+E JSig== X-Gm-Message-State: AOJu0Yy/PsxK/nZFTxxmp/3c/JrESgkaSogGvKPxjAQjQnfqUGInPmMn aRSJnDkoqA2NIs7oZEMfv5YXjCh3MrC42G5DFvR+XvX9NdPo2a2mOv1/DQ== X-Google-Smtp-Source: AGHT+IFLkyOPvfMxjuwvzIVQiGo14LpK/PsBzTt6ydSwAGkRuQrl6vuJ2lPB1avNUzCiZ++8QivwFA== X-Received: by 2002:a05:6a21:3a41:b0:1cf:5aba:eac4 with SMTP id adf61e73a8af0-1cf76493e8emr2272974637.41.1726119042105; Wed, 11 Sep 2024 22:30:42 -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 14/47] exec/memtxattr: add process identifier to the transaction attributes Date: Thu, 12 Sep 2024 15:29:19 +1000 Message-ID: <20240912052953.2552501-15-alistair.francis@wdc.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240912052953.2552501-1-alistair.francis@wdc.com> References: <20240912052953.2552501-1-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::62a; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62a.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: 1726119737962116600 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: <20240903201633.93182-2-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 2.46.0