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Date: Fri, 11 Jul 2025 14:34:08 +0100 Message-ID: <20250711133429.1423030-16-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250711133429.1423030-1-peter.maydell@linaro.org> References: <20250711133429.1423030-1-peter.maydell@linaro.org> 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=2a00:1450:4864:20::32e; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, 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 @linaro.org) X-ZM-MESSAGEID: 1752241255672116600 Content-Type: text/plain; charset="utf-8" From: Jonathan Cameron Only add one very simple example as all the i386/pc examples will work for arm/virt with a change to appropriate executable and appropriate standard launch line for arm/virt. Note that max cpu is used to ensure we have plenty of physical address space. Suggested-by: Peter Maydell Reviewed-by: Eric Auger Signed-off-by: Jonathan Cameron Tested-by: Itaru Kitayama Tested-by: Li Zhijian Message-id: 20250703104110.992379-5-Jonathan.Cameron@huawei.com Signed-off-by: Peter Maydell --- docs/system/devices/cxl.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/docs/system/devices/cxl.rst b/docs/system/devices/cxl.rst index e307caf3f88..ca15a0da1c1 100644 --- a/docs/system/devices/cxl.rst +++ b/docs/system/devices/cxl.rst @@ -384,6 +384,17 @@ An example of 4 devices below a switch suitable for 1,= 2 or 4 way interleave:: -device cxl-type3,bus=3Dswport3,persistent-memdev=3Dcxl-mem3,lsa=3Dcxl-l= sa3,id=3Dcxl-pmem3,sn=3D0x4 \ -M cxl-fmw.0.targets.0=3Dcxl.1,cxl-fmw.0.size=3D4G,cxl-fmw.0.interleave-= granularity=3D4k =20 +A simple arm/virt example featuring a single direct connected CXL Type 3 +Volatile Memory device:: + + qemu-system-aarch64 -M virt,gic-version=3D3,cxl=3Don -m 4g,maxmem=3D8g,s= lots=3D4 -cpu max -smp 4 \ + ... + -object memory-backend-ram,id=3Dvmem0,share=3Don,size=3D256M \ + -device pxb-cxl,bus_nr=3D12,bus=3Dpcie.0,id=3Dcxl.1 \ + -device cxl-rp,port=3D0,bus=3Dcxl.1,id=3Droot_port13,chassis=3D0,slot=3D= 2 \ + -device cxl-type3,bus=3Droot_port13,volatile-memdev=3Dvmem0,id=3Dcxl-vme= m0 \ + -M cxl-fmw.0.targets.0=3Dcxl.1,cxl-fmw.0.size=3D4G + Deprecations ------------ =20 --=20 2.43.0