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From: fan <nifan.cxl@gmail.com>
To: "Zhijian Li (Fujitsu)" <lizhijian@fujitsu.com>
Cc: "nifan.cxl@gmail.com" <nifan.cxl@gmail.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"jonathan.cameron@huawei.com" <jonathan.cameron@huawei.com>,
	"linux-cxl@vger.kernel.org" <linux-cxl@vger.kernel.org>,
	"gregory.price@memverge.com" <gregory.price@memverge.com>,
	"ira.weiny@intel.com" <ira.weiny@intel.com>,
	"dan.j.williams@intel.com" <dan.j.williams@intel.com>,
	"a.manzanares@samsung.com" <a.manzanares@samsung.com>,
	"dave@stgolabs.net" <dave@stgolabs.net>,
	"nmtadam.samsung@gmail.com" <nmtadam.samsung@gmail.com>,
	"jim.harris@samsung.com" <jim.harris@samsung.com>,
	"Jorgen.Hansen@wdc.com" <Jorgen.Hansen@wdc.com>,
	"wj28.lee@gmail.com" <wj28.lee@gmail.com>,
	Fan Ni <fan.ni@samsung.com>
Subject: Re: [PATCH v7 06/12] hw/mem/cxl_type3: Add host backend and address space handling for DC regions
Date: Thu, 16 May 2024 10:07:15 -0700	[thread overview]
Message-ID: <ZkY9Qw3sSYeke4n8@debian> (raw)
In-Reply-To: <6221399d-5fa0-462b-ab55-47a9f664fddd@fujitsu.com>

On Tue, May 14, 2024 at 08:28:27AM +0000, Zhijian Li (Fujitsu) wrote:
> 
> 
> On 19/04/2024 07:10, nifan.cxl@gmail.com wrote:
> > +    uint64_t dc_size;
> > +
> > +    mr = host_memory_backend_get_memory(ct3d->dc.host_dc);
> > +    dc_size = memory_region_size(mr);
> > +    region_len = DIV_ROUND_UP(dc_size, ct3d->dc.num_regions);
> > +
> > +    if (dc_size % (ct3d->dc.num_regions * CXL_CAPACITY_MULTIPLIER) != 0) {
> > +        error_setg(errp, "host backend size must be multiples of region len");
> 
> I prefer to have the %region_len% in the error message as well so that i can update the
> backend file accordingly.

Will add.

Fan
> 
> 
> 
> > +        return false;
> > +    }


  reply	other threads:[~2024-05-16 17:07 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-18 23:10 [PATCH v7 00/12] Enabling DCD emulation support in Qemu nifan.cxl
2024-04-18 23:10 ` [PATCH v7 01/12] hw/cxl/cxl-mailbox-utils: Add dc_event_log_size field to output payload of identify memory device command nifan.cxl
2024-04-19 16:40   ` Gregory Price
2024-04-18 23:10 ` [PATCH v7 02/12] hw/cxl/cxl-mailbox-utils: Add dynamic capacity region representative and mailbox command support nifan.cxl
2024-04-19 16:44   ` Gregory Price
2024-04-18 23:10 ` [PATCH v7 03/12] include/hw/cxl/cxl_device: Rename mem_size as static_mem_size for type3 memory devices nifan.cxl
2024-04-19 16:45   ` Gregory Price
2024-04-18 23:10 ` [PATCH v7 04/12] hw/mem/cxl_type3: Add support to create DC regions to " nifan.cxl
2024-04-19 16:47   ` Gregory Price
2024-05-14  8:14   ` Zhijian Li (Fujitsu) via
2024-05-16 17:06     ` fan
2024-04-18 23:10 ` [PATCH v7 05/12] hw/mem/cxl-type3: Refactor ct3_build_cdat_entries_for_mr to take mr size instead of mr as argument nifan.cxl
2024-04-19 16:39   ` Gregory Price
2024-04-18 23:10 ` [PATCH v7 06/12] hw/mem/cxl_type3: Add host backend and address space handling for DC regions nifan.cxl
2024-04-19 17:27   ` Gregory Price
2024-04-22 11:55     ` Jonathan Cameron via
2024-04-22 11:52   ` Jonathan Cameron via
2024-05-14  8:28   ` Zhijian Li (Fujitsu) via
2024-05-16 17:07     ` fan [this message]
2024-04-18 23:10 ` [PATCH v7 07/12] hw/mem/cxl_type3: Add DC extent list representative and get DC extent list mailbox support nifan.cxl
2024-04-19 16:52   ` Gregory Price
2024-04-18 23:10 ` [PATCH v7 08/12] hw/cxl/cxl-mailbox-utils: Add mailbox commands to support add/release dynamic capacity response nifan.cxl
2024-04-19 18:12   ` Gregory Price
2024-04-18 23:11 ` [PATCH v7 09/12] hw/cxl/events: Add qmp interfaces to add/release dynamic capacity extents nifan.cxl
2024-04-19 18:13   ` Gregory Price
2024-04-22 12:01   ` Jonathan Cameron via
2024-04-26  9:12   ` Markus Armbruster
2024-04-26 17:31     ` fan
2024-04-29  7:58       ` Markus Armbruster
2024-04-30 17:17         ` fan
2024-05-01 14:58           ` Jonathan Cameron via
2024-05-01 22:36             ` fan
2024-06-04  9:18             ` Markus Armbruster
2024-06-04 11:54               ` Jonathan Cameron via
2024-06-04 12:13                 ` Jonathan Cameron via
2024-06-04 12:28                 ` Markus Armbruster
2024-04-30 17:21         ` Jonathan Cameron via
2024-05-01 22:29         ` fan
2024-05-20 16:50           ` Jonathan Cameron via
2024-05-20 17:55             ` fan
2024-05-21 23:32             ` fan
2024-05-23 15:31               ` Jonathan Cameron via
2024-05-21 23:38             ` fan
2024-05-23 15:32               ` Jonathan Cameron via
2024-05-14  2:35   ` Zhijian Li (Fujitsu) via
2024-04-18 23:11 ` [PATCH v7 10/12] hw/mem/cxl_type3: Add DPA range validation for accesses to DC regions nifan.cxl
2024-04-19 16:57   ` Gregory Price
2024-04-18 23:11 ` [PATCH v7 11/12] hw/cxl/cxl-mailbox-utils: Add superset extent release mailbox support nifan.cxl
2024-04-19 18:20   ` Gregory Price
2024-04-18 23:11 ` [PATCH v7 12/12] hw/mem/cxl_type3: Allow to release extent superset in QMP interface nifan.cxl
2024-04-19 18:20   ` Gregory Price
2024-04-19 18:24 ` [PATCH v7 00/12] Enabling DCD emulation support in Qemu Gregory Price
2024-04-19 18:43   ` fan
2024-04-20 20:35     ` Gregory Price
2024-04-22 12:04       ` Jonathan Cameron via
2024-04-22 14:23         ` Jonathan Cameron via
2024-04-22 15:07           ` Jonathan Cameron via
2024-04-22 15:42         ` Gregory Price
2024-05-16 17:05   ` fan
2024-05-17 12:18     ` Jonathan Cameron via
2024-05-17 16:03       ` fan
2024-05-28 18:10     ` Gregory Price
2024-05-14  2:16 ` Zhijian Li (Fujitsu) via
2024-05-16 17:12   ` fan
2024-05-17  2:20     ` Zhijian Li (Fujitsu) via

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