{"id":2230524,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2230524/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429135717.3048713-5-joshualant@gmail.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260429135717.3048713-5-joshualant@gmail.com>","date":"2026-04-29T13:48:38","name":"[RFC,QEMU,04/10] cxl_downstream: enable power controller present capability.","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5d14bb214f1b7765534a00f624e579212039692f","submitter":{"id":93283,"url":"http://patchwork.ozlabs.org/api/1.1/people/93283/?format=json","name":"Joshua Lant","email":"joshualant@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429135717.3048713-5-joshualant@gmail.com/mbox/","series":[{"id":502144,"url":"http://patchwork.ozlabs.org/api/1.1/series/502144/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502144","date":"2026-04-29T13:48:40","name":"Initial Support for VCS Switching","version":1,"mbox":"http://patchwork.ozlabs.org/series/502144/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2230524/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2230524/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=r6MZzKzs;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mail-wm1-x32b.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-Mailman-Approved-At":"Wed, 29 Apr 2026 16:03:14 -0400","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"PCI_EXP_SLTCAP_PCP (Power Controller Present) must be set in the DSP's\nslot capabilities for PCIe managed hot-remove to complete. Without this\nnotification from the guest of removal cannot be sent back to the\ndevice, so device listeners for unrealizing will not fire.\n\nSigned-off-by: Joshua Lant \n---\n hw/pci-bridge/cxl_downstream.c | 2 ++\n 1 file changed, 2 insertions(+)","diff":"diff --git a/hw/pci-bridge/cxl_downstream.c b/hw/pci-bridge/cxl_downstream.c\nindex 91c5e6a605..5322c46900 100644\n--- a/hw/pci-bridge/cxl_downstream.c\n+++ b/hw/pci-bridge/cxl_downstream.c\n@@ -228,6 +228,8 @@ static const Property cxl_dsp_props[] = {\n DEFINE_PROP_PCIE_LINK_WIDTH(\"x-width\", PCIESlot,\n width, PCIE_LINK_WIDTH_16),\n DEFINE_PROP_BOOL(\"x-256b-flit\", PCIESlot, flitmode, true),\n+ DEFINE_PROP_BIT(COMPAT_PROP_PCP, PCIDevice, cap_present,\n+ QEMU_PCIE_SLTCAP_PCP_BITNR, true),\n };\n \n static void cxl_dsp_class_init(ObjectClass *oc, const void *data)\n","prefixes":["RFC","QEMU","04/10"]}