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From: Niklas Cassel <cassel@kernel.org>
To: Koichiro Den <den@valinux.co.jp>
Cc: jingoohan1@gmail.com, mani@kernel.org, lpieralisi@kernel.org,
	kwilczynski@kernel.org, robh@kernel.org, bhelgaas@google.com,
	vigneshr@ti.com, s-vadapalli@ti.com, hongxing.zhu@nxp.com,
	l.stach@pengutronix.de, shawnguo@kernel.org,
	s.hauer@pengutronix.de, kernel@pengutronix.de,
	festevam@gmail.com, minghuan.Lian@nxp.com, mingkai.hu@nxp.com,
	roy.zang@nxp.com, jesper.nilsson@axis.com, heiko@sntech.de,
	srikanth.thokala@intel.com, marek.vasut+renesas@gmail.com,
	yoshihiro.shimoda.uh@renesas.com, geert+renesas@glider.be,
	magnus.damm@gmail.com, christian.bruel@foss.st.com,
	mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com,
	thierry.reding@gmail.com, jonathanh@nvidia.com,
	hayashi.kunihiko@socionext.com, mhiramat@kernel.org,
	kishon@kernel.org, jirislaby@kernel.org, rongqianfeng@vivo.com,
	18255117159@163.com, shawn.lin@rock-chips.com,
	nicolas.frattaroli@collabora.com, linux.amoon@gmail.com,
	vidyas@nvidia.com, Frank.Li@nxp.com, linux-omap@vger.kernel.org,
	linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, imx@lists.linux.dev,
	linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@axis.com,
	linux-rockchip@lists.infradead.org,
	linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-tegra@vger.kernel.org
Subject: Re: [PATCH v6 3/5] PCI: endpoint: Add dynamic_inbound_mapping EPC feature
Date: Tue, 13 Jan 2026 11:12:57 +0100	[thread overview]
Message-ID: <aWYaqZLhNVHof4BW@ryzen> (raw)
In-Reply-To: <20260113023715.3463724-4-den@valinux.co.jp>

On Tue, Jan 13, 2026 at 11:37:13AM +0900, Koichiro Den wrote:
> Introduce a new EPC feature bit (dynamic_inbound_mapping) that indicates
> whether an Endpoint Controller can update the inbound address
> translation for a BAR without requiring the EPF driver to clear/reset
> the BAR first.
> 
> Endpoint Function drivers (e.g. vNTB) can use this information to decide
> whether it really is safe to call pci_epc_set_bar() multiple times to
> update inbound mappings for the BAR.
> 
> Signed-off-by: Koichiro Den <den@valinux.co.jp>
> ---

Since your new feature depends on this feature, this patch should be first
in the series.

With that fixed:
Reviewed-by: Niklas Cassel <cassel@kernel.org>

WARNING: multiple messages have this Message-ID (diff)
From: Niklas Cassel <cassel@kernel.org>
To: Koichiro Den <den@valinux.co.jp>
Cc: jingoohan1@gmail.com, mani@kernel.org, lpieralisi@kernel.org,
	kwilczynski@kernel.org, robh@kernel.org, bhelgaas@google.com,
	vigneshr@ti.com, s-vadapalli@ti.com, hongxing.zhu@nxp.com,
	l.stach@pengutronix.de, shawnguo@kernel.org,
	s.hauer@pengutronix.de, kernel@pengutronix.de,
	festevam@gmail.com, minghuan.Lian@nxp.com, mingkai.hu@nxp.com,
	roy.zang@nxp.com, jesper.nilsson@axis.com, heiko@sntech.de,
	srikanth.thokala@intel.com, marek.vasut+renesas@gmail.com,
	yoshihiro.shimoda.uh@renesas.com, geert+renesas@glider.be,
	magnus.damm@gmail.com, christian.bruel@foss.st.com,
	mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com,
	thierry.reding@gmail.com, jonathanh@nvidia.com,
	hayashi.kunihiko@socionext.com, mhiramat@kernel.org,
	kishon@kernel.org, jirislaby@kernel.org, rongqianfeng@vivo.com,
	18255117159@163.com, shawn.lin@rock-chips.com,
	nicolas.frattaroli@collabora.com, linux.amoon@gmail.com,
	vidyas@nvidia.com, Frank.Li@nxp.com, linux-omap@vger.kernel.org,
	linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, imx@lists.linux.dev,
	linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@axis.com,
	linux-rockchip@lists.infradead.org,
	linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-tegra@vger.kernel.org
Subject: Re: [PATCH v6 3/5] PCI: endpoint: Add dynamic_inbound_mapping EPC feature
Date: Tue, 13 Jan 2026 11:12:57 +0100	[thread overview]
Message-ID: <aWYaqZLhNVHof4BW@ryzen> (raw)
In-Reply-To: <20260113023715.3463724-4-den@valinux.co.jp>

On Tue, Jan 13, 2026 at 11:37:13AM +0900, Koichiro Den wrote:
> Introduce a new EPC feature bit (dynamic_inbound_mapping) that indicates
> whether an Endpoint Controller can update the inbound address
> translation for a BAR without requiring the EPF driver to clear/reset
> the BAR first.
> 
> Endpoint Function drivers (e.g. vNTB) can use this information to decide
> whether it really is safe to call pci_epc_set_bar() multiple times to
> update inbound mappings for the BAR.
> 
> Signed-off-by: Koichiro Den <den@valinux.co.jp>
> ---

Since your new feature depends on this feature, this patch should be first
in the series.

With that fixed:
Reviewed-by: Niklas Cassel <cassel@kernel.org>

_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

  reply	other threads:[~2026-01-13 10:13 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-13  2:37 [PATCH v6 0/5] PCI: endpoint: BAR subrange mapping support Koichiro Den
2026-01-13  2:37 ` Koichiro Den
2026-01-13  2:37 ` [PATCH v6 1/5] PCI: endpoint: Add " Koichiro Den
2026-01-13  2:37   ` Koichiro Den
2026-01-13 10:13   ` Niklas Cassel
2026-01-13 10:13     ` Niklas Cassel
2026-01-13 16:07     ` Koichiro Den
2026-01-13 16:07       ` Koichiro Den
2026-01-13  2:37 ` [PATCH v6 2/5] PCI: dwc: Allow glue drivers to return mutable EPC features Koichiro Den
2026-01-13  2:37   ` Koichiro Den
2026-01-13 10:14   ` Niklas Cassel
2026-01-13 10:14     ` Niklas Cassel
2026-01-13  2:37 ` [PATCH v6 3/5] PCI: endpoint: Add dynamic_inbound_mapping EPC feature Koichiro Den
2026-01-13  2:37   ` Koichiro Den
2026-01-13 10:12   ` Niklas Cassel [this message]
2026-01-13 10:12     ` Niklas Cassel
2026-01-13  2:37 ` [PATCH v6 4/5] PCI: dwc: ep: Support BAR subrange inbound mapping via Address Match Mode iATU Koichiro Den
2026-01-13  2:37   ` Koichiro Den
2026-01-13 10:15   ` Niklas Cassel
2026-01-13 10:15     ` Niklas Cassel
2026-01-13 10:27     ` Niklas Cassel
2026-01-13 10:27       ` Niklas Cassel
2026-01-13  2:37 ` [PATCH v6 5/5] Documentation: PCI: endpoint: Clarify pci_epc_set_bar() usage Koichiro Den
2026-01-13  2:37   ` Koichiro Den
2026-01-13 10:17   ` Niklas Cassel
2026-01-13 10:17     ` Niklas Cassel

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