netdev - Re: [PATCH v11 01/23] cxl: add type2 device basic support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <643d8d83-aff9-4a2d-a2de-82f19161587d@amd.com>
Date: Mon, 17 Mar 2025 07:56:39 +0000
From: Alejandro Lucero Palau <alucerop@....com>
To: Alison Schofield <alison.schofield@...el.com>,
 alejandro.lucero-palau@....com
Cc: linux-cxl@...r.kernel.org, netdev@...r.kernel.org,
 dan.j.williams@...el.com, edward.cree@....com, davem@...emloft.net,
 kuba@...nel.org, pabeni@...hat.com, edumazet@...gle.com, dave.jiang@...el.com
Subject: Re: [PATCH v11 01/23] cxl: add type2 device basic support


On 3/12/25 20:00, Alison Schofield wrote:
> On Mon, Mar 10, 2025 at 09:03:18PM +0000, alejandro.lucero-palau@....com wrote:
>> From: Alejandro Lucero <alucerop@....com>
>>
>> Differentiate CXL memory expanders (type 3) from CXL device accelerators
>> (type 2) with a new function for initializing cxl_dev_state and a macro
>> for helping accel drivers to embed cxl_dev_state inside a private
>> struct.
>>
>> Move structs to include/cxl as the size of the accel driver private
>> struct embedding cxl_dev_state needs to know the size of this struct.
>>
>> Use same new initialization with the type3 pci driver.
>>
>> Signed-off-by: Alejandro Lucero <alucerop@....com>
>> ---
>>   drivers/cxl/core/mbox.c   |  12 +--
>>   drivers/cxl/core/memdev.c |  32 ++++++
>>   drivers/cxl/core/pci.c    |   1 +
>>   drivers/cxl/core/regs.c   |   1 +
>>   drivers/cxl/cxl.h         |  97 +-----------------
>>   drivers/cxl/cxlmem.h      |  88 ++--------------
>>   drivers/cxl/cxlpci.h      |  21 ----
>>   drivers/cxl/pci.c         |  17 ++--
>>   include/cxl/cxl.h         | 206 ++++++++++++++++++++++++++++++++++++++
>>   include/cxl/pci.h         |  23 +++++
>>   10 files changed, 285 insertions(+), 213 deletions(-)
>>   create mode 100644 include/cxl/cxl.h
>>   create mode 100644 include/cxl/pci.h
>>
>> diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c
>> index d72764056ce6..20df6f78f148 100644
>> --- a/drivers/cxl/core/mbox.c
>> +++ b/drivers/cxl/core/mbox.c
>> @@ -1484,23 +1484,21 @@ int cxl_mailbox_init(struct cxl_mailbox *cxl_mbox, struct device *host)
>>   }
>>   EXPORT_SYMBOL_NS_GPL(cxl_mailbox_init, "CXL");
>>   
>> -struct cxl_memdev_state *cxl_memdev_state_create(struct device *dev)
>> +struct cxl_memdev_state *cxl_memdev_state_create(struct device *dev, u64 serial,
>> +						 u16 dvsec)
> Please fixup cxl-test usage to avoid:
>
> test/mem.c:1614:15: error: too few arguments to function ‘cxl_memdev_state_create’
>   1614 |         mds = cxl_memdev_state_create(dev);
>        |               ^~~~~~~~~~~~~~~~~~~~~~~
>

I'll do.


Thanks