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Date: Thu, 14 Mar 2024 19:32:10 +0530
From: Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>
To: Elliot Berman <quic_eberman@quicinc.com>
CC: Alex Elder <elder@linaro.org>,
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Subject: Re: [PATCH v17 17/35] gunyah: rsc_mgr: Add memory parcel RPC
Message-ID: <20240314140210.GU440762@quicinc.com>
Reply-To: Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>
References: <20240222-gunyah-v17-0-1e9da6763d38@quicinc.com>
 <20240222-gunyah-v17-17-1e9da6763d38@quicinc.com>
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* Elliot Berman <quic_eberman@quicinc.com> [2024-02-22 15:16:40]:

> In a Gunyah hypervisor system using the Gunyah Resource Manager, the
> "standard" unit of donating, lending and sharing memory is called a
> memory parcel (memparcel).  A memparcel is an abstraction used by the
> resource manager for securely managing donating, lending and sharing
> memory, which may be physically and virtually fragmented, without
> dealing directly with physical memory addresses.
> 
> Memparcels are created and managed through the RM RPC functions for
> lending, sharing and reclaiming memory from VMs.
> 
> When creating a new VM the initial VM memory containing the VM image and
> the VM's device tree blob must be provided as a memparcel. The memparcel
> must be created using the RM RPC for lending and mapping the memory to
> the VM.
> 
> Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>

Reviewed-by: Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>

- vatsa