From: Thomas Huth <thuth@redhat.com>
To: "Stephen Checkoway" <stephen.checkoway@oberlin.edu>,
"QEMU Developers" <qemu-devel@nongnu.org>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
"Kevin Wolf" <kwolf@redhat.com>, "Max Reitz" <mreitz@redhat.com>,
"open list:Block layer core" <qemu-block@nongnu.org>,
"Markus Armbruster" <armbru@redhat.com>,
"Laszlo Ersek" <lersek@redhat.com>,
"Laurent Vivier" <lvivier@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v3 09/10] block/pflash_cfi02: Implement erase suspend/resume
Date: Thu, 18 Apr 2019 06:54:45 +0200 [thread overview]
Message-ID: <c3dba706-c5c9-9cc5-8f00-0291ae630f65@redhat.com> (raw)
In-Reply-To: <20190417220147.67648-10-stephen.checkoway@oberlin.edu>
On 18/04/2019 00.01, Stephen Checkoway wrote:
> During a sector erase (but not a chip erase), the embeded erase program
> can be suspended. Once suspended, the sectors not selected for erasure
> may be read and programmed. Autoselect mode is allowed during erase
> suspend mode. Presumably, CFI queries are similarly allowed so this
> commit allows them as well.
>
> Since guest firmware can use status bits DQ7, DQ6, DQ3, and DQ2 to
> determine the current state of sector erasure, these bits are properly
> implemented.
>
> Signed-off-by: Stephen Checkoway <stephen.checkoway@oberlin.edu>
> ---
> hw/block/pflash_cfi02.c | 153 ++++++++++++++++++++++++++++++++++----
> tests/pflash-cfi02-test.c | 112 ++++++++++++++++++++++++++++
> 2 files changed, 251 insertions(+), 14 deletions(-)
Acked-by: Thomas Huth <thuth@redhat.com>
next prev parent reply other threads:[~2019-04-18 4:55 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-17 22:01 [Qemu-devel] [PATCH v3 00/10] block/pflash_cfi02: Implement missing AMD pflash functionality Stephen Checkoway
2019-04-17 22:01 ` [Qemu-devel] [PATCH v3 01/10] block/pflash_cfi02: Add test for supported commands Stephen Checkoway
2019-04-18 4:47 ` Thomas Huth
2019-04-18 20:43 ` Stephen Checkoway
2019-04-18 20:43 ` Stephen Checkoway
2019-04-19 5:57 ` Thomas Huth
2019-04-19 5:57 ` Thomas Huth
2019-04-17 22:01 ` [Qemu-devel] [PATCH v3 02/10] block/pflash_cfi02: Refactor, NFC intended Stephen Checkoway
2019-04-17 22:01 ` [Qemu-devel] [PATCH v3 03/10] block/pflash_cfi02: Fix command address comparison Stephen Checkoway
2019-04-18 4:22 ` Thomas Huth
2019-04-17 22:01 ` [Qemu-devel] [PATCH v3 04/10] block/pflash_cfi02: Implement intereleaved flash devices Stephen Checkoway
2019-04-18 4:23 ` Thomas Huth
2019-04-17 22:01 ` [Qemu-devel] [PATCH v3 05/10] block/pflash_cfi02: Implement nonuniform sector sizes Stephen Checkoway
2019-04-18 4:25 ` Thomas Huth
2019-04-17 22:01 ` [Qemu-devel] [PATCH v3 06/10] block/pflash_cfi02: Fix CFI in autoselect mode Stephen Checkoway
2019-04-18 4:28 ` Thomas Huth
2019-04-17 22:01 ` [Qemu-devel] [PATCH v3 07/10] block/pflash_cfi02: Fix reset command not ignored during erase Stephen Checkoway
2019-04-17 22:01 ` [Qemu-devel] [PATCH v3 08/10] block/pflash_cfi02: Implement multi-sector erase Stephen Checkoway
2019-04-18 4:52 ` Thomas Huth
2019-04-17 22:01 ` [Qemu-devel] [PATCH v3 09/10] block/pflash_cfi02: Implement erase suspend/resume Stephen Checkoway
2019-04-18 4:54 ` Thomas Huth [this message]
2019-04-17 22:01 ` [Qemu-devel] [PATCH v3 10/10] block/pflash_cfi02: Use the chip erase time specified in the CFI table Stephen Checkoway
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