Re: [PATCH v3] hw/nvme: clean up CC register write logic

2022-06-08 Thread Łukasz Gieryk
On Tue, Jun 07, 2022 at 01:23:20PM +0200, Klaus Jensen wrote: > From: Klaus Jensen > > The SRIOV series exposed an issued with how CC register writes are > handled and how CSTS is set in response to that. Specifically, after > applying the SRIOV series, the controller could end up in a state with

Re: [PATCH v3] hw/nvme: clean up CC register write logic

2022-06-07 Thread Lukasz Maniak
On Tue, Jun 07, 2022 at 01:23:20PM +0200, Klaus Jensen wrote: > From: Klaus Jensen > > The SRIOV series exposed an issued with how CC register writes are > handled and how CSTS is set in response to that. Specifically, after > applying the SRIOV series, the controller could end up in a state with

[PATCH v3] hw/nvme: clean up CC register write logic

2022-06-07 Thread Klaus Jensen
From: Klaus Jensen The SRIOV series exposed an issued with how CC register writes are handled and how CSTS is set in response to that. Specifically, after applying the SRIOV series, the controller could end up in a state with CC.EN set to '1' but with CSTS.RDY cleared to '0', causing drivers to e