From: Krzysztof Kozlowski <krzk@kernel.org>
To: Vinayak Katoch <vinayak.katoch@oss.qualcomm.com>
Cc: Srinivas Kandagatla <srini@kernel.org>,
Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Bharath Kumar <bkumar@qti.qualcomm.com>,
Chenna Kesava Raju <chennak@qti.qualcomm.com>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/6] misc: fastrpc: Add extended IOVA mapping support
Date: Sun, 30 Aug 2026 11:50:32 +0200 [thread overview]
Message-ID: <20260830-hilarious-controversial-boa-bbcb1d@quoll> (raw)
In-Reply-To: <20260826-extended-mapping-v1-0-d046c1cb9a9f@oss.qualcomm.com>
On Wed, Aug 26, 2026 at 07:15:42PM +0530, Vinayak Katoch wrote:
>
> - Two new UAPI flags (FASTRPC_MAP_FD_EXTENDED and
> FASTRPC_MAP_FD_DELAYED_EXTENDED) allow userspace to request extended
> mapping. When set, fastrpc_map_attach() iterates cctx->ext_cb[] and
> retries on -ENOMEM, falling over to the next extended CB if one
> exhausts its IOVA space. The SID offset is corrected per-CB so the
> IOVA forwarded to the DSP is valid.
>
> Signed-off-by: Vinayak Katoch <vinayak.katoch@oss.qualcomm.com>
> ---
> Vinayak Katoch (6):
> dt-bindings: misc: fastrpc: Add memory-region property for context bank
> misc: fastrpc: Handle multi-cell reg in context bank probe
> arm64: dts: qcom: kaanapali: Add CDSP FastRPC extended context bank
> arm64: dts: qcom: glymur: Add CDSP FastRPC extended context bank
> misc: fastrpc: Add extended context bank support
> misc: fastrpc: Add UAPI flags for extended IOVA mapping
DTS must not be part of misc posting. Please always split it.
Best regards,
Krzysztof
prev parent reply other threads:[~2026-08-30 9:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-26 13:45 [PATCH 0/6] misc: fastrpc: Add extended IOVA mapping support Vinayak Katoch
2026-08-26 13:45 ` [PATCH 1/6] dt-bindings: misc: fastrpc: Add memory-region property for context bank Vinayak Katoch
2026-08-30 9:49 ` Krzysztof Kozlowski
2026-08-26 13:45 ` [PATCH 2/6] misc: fastrpc: Handle multi-cell reg in context bank probe Vinayak Katoch
2026-08-26 13:45 ` [PATCH 3/6] arm64: dts: qcom: kaanapali: Add CDSP FastRPC extended context bank Vinayak Katoch
2026-08-30 9:46 ` Krzysztof Kozlowski
2026-08-26 13:45 ` [PATCH 4/6] arm64: dts: qcom: glymur: " Vinayak Katoch
2026-08-26 13:45 ` [PATCH 5/6] misc: fastrpc: Add extended context bank support Vinayak Katoch
2026-08-26 13:45 ` [PATCH 6/6] misc: fastrpc: Add UAPI flags for extended IOVA mapping Vinayak Katoch
2026-08-30 9:50 ` Krzysztof Kozlowski [this message]
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