From: "Verma, Vishal L" <vishal.l.verma@intel.com>
To: "Williams, Dan J" <dan.j.williams@intel.com>,
"Schofield, Alison" <alison.schofield@intel.com>,
"bwidawsk@kernel.org" <bwidawsk@kernel.org>,
"rrichter@amd.com" <rrichter@amd.com>,
"Weiny, Ira" <ira.weiny@intel.com>
Cc: "Jonathan.Cameron@huawei.com" <Jonathan.Cameron@huawei.com>,
"dave@stgolabs.net" <dave@stgolabs.net>,
"linux-cxl@vger.kernel.org" <linux-cxl@vger.kernel.org>,
"bhelgaas@google.com" <bhelgaas@google.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"lenb@kernel.org" <lenb@kernel.org>,
"rafael@kernel.org" <rafael@kernel.org>
Subject: Re: [PATCH v2 07/12] cxl: Remove dev_is_cxl_root_child() check in devm_cxl_enumerate_ports()
Date: Fri, 21 Oct 2022 06:32:33 +0000 [thread overview]
Message-ID: <552e105ca749fae4517ef053b0439cb3eecd1e4c.camel@intel.com> (raw)
In-Reply-To: <6352303b266c_24ac29423@dwillia2-mobl3.amr.corp.intel.com.notmuch>
On Thu, 2022-10-20 at 22:38 -0700, Dan Williams wrote:
> Robert Richter wrote:
> >
<..>
>
> With that scheme in place and some cxl-cli fixups from Vishal we are
> seeing:
>
> # cxl list -BEMPTu
> {
> "bus":"root0",
> "provider":"ACPI.CXL",
> "nr_dports":1,
> "dports":[
> {
> "dport":"pci0000:38",
> "id":"0x31"
> }
> ],
> "endpoints:root0":[
> {
> "endpoint":"endpoint1",
> "host":"mem0",
> "depth":1,
> "memdev":{
> "memdev":"mem0",
> "pmem_size":0,
> "ram_size":"16.00 GiB (17.18 GB)",
> "serial":"0",
> "numa_node":0,
> "host":"0000:38:00.0"
> }
> }
> ]
> }
I was waiting to post the cxl-cli patches for this until the kernel
discussion settles - but maybe this topology layout is settled enough?
In the meanwhile I've pushed a branch with these fixups here:
https://github.com/pmem/ndctl/tree/vv/rch-support
>
> Does that make sense? I think this patchset gets a lot simpler if it
> does not try to make devm_cxl_enumerate_ports() understand the RCH
> topology.
next prev parent reply other threads:[~2022-10-21 6:32 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-18 13:23 [PATCH v2 00/12] cxl: Add support for Restricted CXL hosts (RCD mode) Robert Richter
2022-10-18 13:23 ` [PATCH v2 01/12] cxl/core: Remove duplicate declaration of devm_cxl_iomap_block() Robert Richter
2022-10-20 23:56 ` Dan Williams
2022-10-21 8:54 ` Robert Richter
2022-10-18 13:23 ` [PATCH v2 02/12] cxl/core: Check physical address before mapping it in devm_cxl_iomap_block() Robert Richter
2022-10-21 0:01 ` Dan Williams
2022-10-18 13:23 ` [PATCH v2 03/12] cxl: Unify debug messages when calling devm_cxl_add_port() Robert Richter
2022-10-21 0:20 ` Dan Williams
2022-10-21 8:57 ` Robert Richter
2022-10-18 13:23 ` [PATCH v2 04/12] cxl: Unify debug messages when calling devm_cxl_add_dport() Robert Richter
2022-10-21 0:32 ` Dan Williams
2022-10-21 9:00 ` Robert Richter
2022-10-18 13:23 ` [PATCH v2 05/12] cxl/acpi: Improve debug messages in cxl_acpi_probe() Robert Richter
2022-10-21 1:00 ` Dan Williams
2022-11-14 20:11 ` [PATCH] tools/testing/cxl: Add bridge mocking support Dan Williams
2022-11-15 10:33 ` Robert Richter
2022-11-15 18:11 ` Dan Williams
2022-12-02 16:59 ` Jonathan Cameron
2022-10-18 13:23 ` [PATCH v2 06/12] cxl/acpi: Extract component registers of restricted hosts from RCRB Robert Richter
2022-10-18 13:31 ` Rafael J. Wysocki
2022-10-18 18:41 ` Robert Richter
2022-10-18 18:57 ` Rafael J. Wysocki
2022-10-19 10:46 ` Robert Richter
2022-10-21 5:17 ` Dan Williams
2022-10-24 21:04 ` Robert Richter
2022-10-24 21:24 ` Dan Williams
2022-10-24 22:37 ` Dan Williams
[not found] ` <63cd195a-f5d0-b016-d833-b3a9c86ff6ee@intel.com>
2022-10-24 23:50 ` Robert Richter
2022-10-24 23:57 ` Dan Williams
2022-10-18 13:23 ` [PATCH v2 07/12] cxl: Remove dev_is_cxl_root_child() check in devm_cxl_enumerate_ports() Robert Richter
2022-10-21 5:38 ` Dan Williams
2022-10-21 6:32 ` Verma, Vishal L [this message]
2022-11-09 14:33 ` Robert Richter
2022-10-18 13:23 ` [PATCH v2 08/12] cxl: Factor out code in devm_cxl_enumerate_ports() to find_port_attach_ep() Robert Richter
2022-10-18 13:23 ` [PATCH v2 09/12] cxl: Extend devm_cxl_enumerate_ports() to support restricted devices (RCDs) Robert Richter
2022-10-18 13:23 ` [PATCH v2 10/12] cxl: Do not ignore PCI config read errors in match_add_dports() Robert Richter
2022-10-18 13:23 ` [PATCH v2 11/12] cxl: Factor out code in match_add_dports() to pci_dev_add_dport() Robert Richter
2022-10-18 13:23 ` [PATCH v2 12/12] cxl: Extend devm_cxl_port_enumerate_dports() to support restricted hosts (RCH) Robert Richter
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