From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
To: Arpit Kumar <arpit1.kumar@samsung.com>
Cc: <qemu-devel@nongnu.org>, <gost.dev@samsung.com>,
<linux-cxl@vger.kernel.org>, <nifan.cxl@gmail.com>,
<dave@stgolabs.net>, <vishak.g@samsung.com>,
<krish.reddy@samsung.com>, <a.manzanares@samsung.com>,
<alok.rathore@samsung.com>
Subject: Re: [PATCH 3/3] hw/cxl: Add Physical Port Control (Opcode 5102h)
Date: Wed, 18 Jun 2025 12:32:48 +0100 [thread overview]
Message-ID: <20250618123248.000004e4@huawei.com> (raw)
In-Reply-To: <20250617101136.z4ityaayhuglrvqu@test-PowerEdge-R740xd>
> >> + /* Assert PERST involves physical port to be in
> >wrap at 80 chars.
> okay
> >> + * hold reset phase for minimum 100ms. No other calls
> >> + * are entertained until Deassert PERST command.
> >> + * https://patchwork.ozlabs.org/project/linux-pci/patch/20190523194409.17718-1-niklas.cassel@linaro.org/#2178369
> >
> >Blocking other commands is fine but we should lock up emulation of other stuff
> >in the system and I think you currently do.
> >
> got it. I think you meant 'we should *not lock up..'
Absolutely!
WARNING: multiple messages have this Message-ID (diff)
From: Jonathan Cameron via <qemu-devel@nongnu.org>
To: Arpit Kumar <arpit1.kumar@samsung.com>
Cc: <qemu-devel@nongnu.org>, <gost.dev@samsung.com>,
<linux-cxl@vger.kernel.org>, <nifan.cxl@gmail.com>,
<dave@stgolabs.net>, <vishak.g@samsung.com>,
<krish.reddy@samsung.com>, <a.manzanares@samsung.com>,
<alok.rathore@samsung.com>
Subject: Re: [PATCH 3/3] hw/cxl: Add Physical Port Control (Opcode 5102h)
Date: Wed, 18 Jun 2025 12:32:48 +0100 [thread overview]
Message-ID: <20250618123248.000004e4@huawei.com> (raw)
In-Reply-To: <20250617101136.z4ityaayhuglrvqu@test-PowerEdge-R740xd>
> >> + /* Assert PERST involves physical port to be in
> >wrap at 80 chars.
> okay
> >> + * hold reset phase for minimum 100ms. No other calls
> >> + * are entertained until Deassert PERST command.
> >> + * https://patchwork.ozlabs.org/project/linux-pci/patch/20190523194409.17718-1-niklas.cassel@linaro.org/#2178369
> >
> >Blocking other commands is fine but we should lock up emulation of other stuff
> >in the system and I think you currently do.
> >
> got it. I think you meant 'we should *not lock up..'
Absolutely!
next prev parent reply other threads:[~2025-06-18 11:32 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20250602140008epcas5p25fce01492de105da3cdc0aaa533f6ebc@epcas5p2.samsung.com>
2025-06-02 13:59 ` [PATCH 0/3] FM-API Physical switch command set update Arpit Kumar
2025-06-02 13:59 ` [PATCH 1/3] hw/cxl: Storing physical ports info during enumeration Arpit Kumar
2025-06-10 14:21 ` Jonathan Cameron
2025-06-10 14:21 ` Jonathan Cameron via
2025-06-17 9:46 ` Arpit Kumar
2025-06-18 11:31 ` Jonathan Cameron
2025-06-18 11:31 ` Jonathan Cameron via
2025-06-02 13:59 ` [PATCH 2/3] hw/cxl: Simplified Identify Switch Device & Get Physical Port State Arpit Kumar
2025-06-10 14:29 ` Jonathan Cameron
2025-06-10 14:29 ` Jonathan Cameron via
2025-06-17 10:01 ` Arpit Kumar
2025-06-02 13:59 ` [PATCH 3/3] hw/cxl: Add Physical Port Control (Opcode 5102h) Arpit Kumar
2025-06-10 14:45 ` Jonathan Cameron
2025-06-10 14:45 ` Jonathan Cameron via
2025-06-17 10:11 ` Arpit Kumar
2025-06-18 11:32 ` Jonathan Cameron [this message]
2025-06-18 11:32 ` Jonathan Cameron via
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