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Tue, 3 Sep 2024 06:56:43 +0000 Received: from IA1PR11MB7200.namprd11.prod.outlook.com ([fe80::8f47:b4ca:ec7f:d2c0]) by IA1PR11MB7200.namprd11.prod.outlook.com ([fe80::8f47:b4ca:ec7f:d2c0%6]) with mapi id 15.20.7918.024; Tue, 3 Sep 2024 06:56:42 +0000 Message-ID: <1f45b5df-720d-4723-9aa7-72073dc0ba3a@intel.com> Date: Tue, 3 Sep 2024 14:56:26 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 07/25] cxl/core: Separate region mode from decoder mode To: , Dave Jiang , Fan Ni , Jonathan Cameron , Navneet Singh , Chris Mason , "Josef Bacik" , David Sterba , Petr Mladek , Steven Rostedt , Andy Shevchenko , Rasmus Villemoes , Sergey Senozhatsky , Jonathan Corbet , Andrew Morton CC: Dan Williams , Davidlohr Bueso , Alison Schofield , "Vishal Verma" , , , , , References: <20240816-dcd-type2-upstream-v3-0-7c9b96cba6d7@intel.com> <20240816-dcd-type2-upstream-v3-7-7c9b96cba6d7@intel.com> Content-Language: en-US From: "Li, Ming4" In-Reply-To: <20240816-dcd-type2-upstream-v3-7-7c9b96cba6d7@intel.com> Content-Type: text/plain; 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The addition of Dynamic > Capacity partitions defines up to 8 DC partitions per device. > > The region mode is thus no longer equivalent to the endpoint decoder > mode. IOW the endpoint decoders may have modes of DC0-DC7 while the > region mode is simply DC. > > Define a new region mode enumeration which applies to regions separate > from the decoder mode. Adjust the code to process these modes > independently. > > There is no equal to decoder mode dead in region modes. Avoid > constructing regions with decoders which have been flagged as dead. > > Suggested-by: Jonathan Cameron > Signed-off-by: Navneet Singh > Co-developed-by: Ira Weiny > Signed-off-by: Ira Weiny Reviewed-by: Li Ming