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Message-ID: <67afba59-91c4-431f-82ef-94f907a54b46@quicinc.com>
Date: Wed, 5 Jun 2024 13:22:20 -0700
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Subject: Re: [PATCH v2] wifi: ath11k: Add firmware coredump collection support
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To: Miaoqing Pan <quic_miaoqing@quicinc.com>, <kvalo@kernel.org>
CC: <ath11k@lists.infradead.org>, <linux-wireless@vger.kernel.org>
References: <20240605034639.3942219-1-quic_miaoqing@quicinc.com>
From: Jeff Johnson <quic_jjohnson@quicinc.com>
In-Reply-To: <20240605034639.3942219-1-quic_miaoqing@quicinc.com>
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On 6/4/2024 8:46 PM, Miaoqing Pan wrote:
> In case of firmware assert snapshot of firmware memory is essential for
> debugging. Add firmware coredump collection support for PCI bus.
> Collect RDDM and firmware paging dumps from MHI and pack them in TLV
> format and also pack various memory shared during QMI phase in separate
> TLVs.  Add necessary header and share the dumps to user space using dev
> coredump framework. Coredump collection is disabled by default and can
> be enabled using menuconfig. Dump collected for a radio is 55 MB
> approximately.
> 
> The changeset is mostly copied from:
> https://lore.kernel.org/all/20240325183414.4016663-1-quic_ssreeela@quicinc.com/.
> 
> Tested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-04358-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
> 
> Signed-off-by: Miaoqing Pan <quic_miaoqing@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>