From: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: <linux-cxl@vger.kernel.org>, Ben Widawsky <bwidawsk@kernel.org>,
<hch@lst.de>, <nvdimm@lists.linux.dev>,
<linux-pci@vger.kernel.org>
Subject: Re: [PATCH v2 05/28] cxl/core: Define a 'struct cxl_endpoint_decoder'
Date: Wed, 20 Jul 2022 17:11:58 +0100 [thread overview]
Message-ID: <20220720171158.00003af5@Huawei.com> (raw)
In-Reply-To: <165784327088.1758207.15502834501671201192.stgit@dwillia2-xfh.jf.intel.com>
On Thu, 14 Jul 2022 17:01:10 -0700
Dan Williams <dan.j.williams@intel.com> wrote:
> Previously the target routing specifics of switch decoders and platform
> CXL window resource tracking of root decoders were factored out of
> 'struct cxl_decoder'. While switch decoders translate from SPA to
> downstream ports, endpoint decoders translate from SPA to DPA.
>
> This patch, 3 of 3, adds a 'struct cxl_endpoint_decoder' that tracks an
> endpoint-specific Device Physical Address (DPA) resource. For now this
> just defines ->dpa_res, a follow-on patch will handle requesting DPA
> resource ranges from a device-DPA resource tree.
>
> Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
next prev parent reply other threads:[~2022-07-20 16:12 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-15 0:00 [PATCH v2 00/28] CXL PMEM Region Provisioning Dan Williams
2022-07-15 0:00 ` [PATCH v2 01/28] Documentation/cxl: Use a double line break between entries Dan Williams
2022-07-20 13:26 ` Jonathan Cameron
2022-07-15 0:00 ` [PATCH v2 02/28] cxl/core: Define a 'struct cxl_switch_decoder' Dan Williams
2022-07-20 15:39 ` Jonathan Cameron
2022-07-15 0:00 ` [PATCH v2 03/28] cxl/acpi: Track CXL resources in iomem_resource Dan Williams
2022-07-15 5:23 ` Greg Kroah-Hartman
2022-07-20 16:03 ` Jonathan Cameron
2022-07-15 0:01 ` [PATCH v2 04/28] cxl/core: Define a 'struct cxl_root_decoder' Dan Williams
2022-07-20 16:07 ` Jonathan Cameron
2022-07-15 0:01 ` [PATCH v2 05/28] cxl/core: Define a 'struct cxl_endpoint_decoder' Dan Williams
2022-07-20 16:11 ` Jonathan Cameron [this message]
2022-07-15 0:01 ` [PATCH v2 06/28] cxl/hdm: Enumerate allocated DPA Dan Williams
2022-07-20 16:40 ` Jonathan Cameron
2022-07-21 15:29 ` Dan Williams
2022-07-15 0:01 ` [PATCH v2 07/28] cxl/hdm: Add 'mode' attribute to decoder objects Dan Williams
2022-07-15 0:01 ` [PATCH v2 08/28] cxl/hdm: Track next decoder to allocate Dan Williams
2022-07-20 16:45 ` Jonathan Cameron
2022-07-15 0:01 ` [PATCH v2 09/28] cxl/hdm: Add support for allocating DPA to an endpoint decoder Dan Williams
2022-07-20 16:51 ` Jonathan Cameron
2022-07-15 0:01 ` [PATCH v2 10/28] cxl/port: Record dport in endpoint references Dan Williams
2022-07-20 16:53 ` Jonathan Cameron
2022-07-15 0:01 ` [PATCH v2 11/28] cxl/port: Record parent dport when adding ports Dan Williams
2022-07-15 0:01 ` [PATCH v2 12/28] cxl/port: Move 'cxl_ep' references to an xarray per port Dan Williams
2022-07-15 0:01 ` [PATCH v2 13/28] cxl/port: Move dport tracking to an xarray Dan Williams
2022-07-20 16:56 ` Jonathan Cameron
2022-07-15 0:02 ` [PATCH v2 14/28] cxl/hdm: Add sysfs attributes for interleave ways + granularity Dan Williams
2022-07-20 16:58 ` Jonathan Cameron
2022-07-15 0:02 ` [PATCH v2 15/28] cxl/mem: Enumerate port targets before adding endpoints Dan Williams
2022-07-15 0:02 ` [PATCH v2 16/28] resource: Introduce alloc_free_mem_region() Dan Williams
2022-07-20 17:00 ` Jonathan Cameron
2022-07-21 16:10 ` Dan Williams
2022-09-06 13:25 ` Rogerio Alves
2022-07-15 0:02 ` [PATCH v2 17/28] cxl/region: Add region creation support Dan Williams
2022-07-20 17:16 ` Jonathan Cameron
2022-07-15 0:02 ` [PATCH v2 18/28] cxl/region: Add a 'uuid' attribute Dan Williams
2022-07-20 17:18 ` Jonathan Cameron
2022-07-15 0:02 ` [PATCH v2 19/28] cxl/region: Add interleave geometry attributes Dan Williams
2022-07-15 0:02 ` [PATCH v2 20/28] cxl/region: Allocate HPA capacity to regions Dan Williams
2022-07-20 17:20 ` Jonathan Cameron
2022-07-15 0:02 ` [PATCH v2 21/28] cxl/region: Enable the assignment of endpoint decoders " Dan Williams
2022-07-20 17:26 ` Jonathan Cameron
2022-07-20 19:05 ` Dan Williams
2022-07-15 0:02 ` [PATCH v2 22/28] cxl/acpi: Add a host-bridge index lookup mechanism Dan Williams
2022-07-15 0:02 ` [PATCH v2 23/28] cxl/region: Attach endpoint decoders Dan Williams
2022-07-20 17:29 ` Jonathan Cameron
2022-07-15 0:02 ` [PATCH v2 24/28] cxl/region: Program target lists Dan Williams
2022-07-20 17:41 ` Jonathan Cameron
2022-07-21 16:56 ` Dan Williams
2022-07-15 0:03 ` [PATCH v2 25/28] cxl/hdm: Commit decoder state to hardware Dan Williams
2022-07-20 17:44 ` Jonathan Cameron
2022-07-15 0:03 ` [PATCH v2 26/28] cxl/region: Add region driver boiler plate Dan Williams
2022-07-15 0:03 ` [PATCH v2 27/28] cxl/pmem: Fix offline_nvdimm_bus() to offline by bridge Dan Williams
2022-07-20 17:46 ` Jonathan Cameron
2022-07-15 0:03 ` [PATCH v2 28/28] cxl/region: Introduce cxl_pmem_region objects Dan Williams
2022-07-20 18:05 ` Jonathan Cameron
2022-07-20 18:12 ` [PATCH v2 00/28] CXL PMEM Region Provisioning Jonathan Cameron
2022-07-21 18:34 ` Dan Williams
2022-07-21 14:59 ` Jonathan Cameron
2022-07-21 16:29 ` Dan Williams
2022-07-21 17:22 ` Jonathan Cameron
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