From: Alex Elder <elder@linaro.org>
To: Elliot Berman <quic_eberman@quicinc.com>,
Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
Prakruthi Deepak Heragu <quic_pheragu@quicinc.com>
Cc: Murali Nalajala <quic_mnalajal@quicinc.com>,
Trilok Soni <quic_tsoni@quicinc.com>,
Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>,
Carl van Schaik <quic_cvanscha@quicinc.com>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Jonathan Corbet <corbet@lwn.net>,
Bagas Sanjaya <bagasdotme@gmail.com>,
Will Deacon <will@kernel.org>, Andy Gross <agross@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Jassi Brar <jassisinghbrar@gmail.com>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v13 18/24] virt: gunyah: Add resource tickets
Date: Mon, 5 Jun 2023 14:49:59 -0500 [thread overview]
Message-ID: <85fe3f90-12ff-cb91-73c1-0efe66dae695@linaro.org> (raw)
In-Reply-To: <20230509204801.2824351-19-quic_eberman@quicinc.com>
On 5/9/23 3:47 PM, Elliot Berman wrote:
> Some VM functions need to acquire Gunyah resources. For instance, Gunyah
> vCPUs are exposed to the host as a resource. The Gunyah vCPU function
> will register a resource ticket and be able to interact with the
> hypervisor once the resource ticket is filled.
>
> Resource tickets are the mechanism for functions to acquire ownership of
> Gunyah resources. Gunyah functions can be created before the VM's
> resources are created and made available to Linux. A resource ticket
> identifies a type of resource and a label of a resource which the ticket
> holder is interested in.
>
> Resources are created by Gunyah as configured in the VM's devicetree
> configuration. Gunyah doesn't process the label and that makes it
> possible for userspace to create multiple resources with the same label.
> Resource ticket owners need to be prepared for populate to be called
> multiple times if userspace created multiple resources with the same
> label.
>
> Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Looks good to me.
Reviewed-by: Alex Elder <elder@linaro.org>
> ---
> drivers/virt/gunyah/vm_mgr.c | 117 +++++++++++++++++++++++++++++++++-
> drivers/virt/gunyah/vm_mgr.h | 4 ++
> include/linux/gunyah_vm_mgr.h | 14 ++++
> 3 files changed, 134 insertions(+), 1 deletion(-)
. . .
next prev parent reply other threads:[~2023-06-05 19:50 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-09 20:47 [PATCH v13 00/24] Drivers for Gunyah hypervisor Elliot Berman
2023-05-09 20:47 ` [PATCH v13 01/24] dt-bindings: Add binding for gunyah hypervisor Elliot Berman
2023-06-05 19:47 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 02/24] gunyah: Common types and error codes for Gunyah hypercalls Elliot Berman
2023-06-05 19:47 ` Alex Elder
2023-06-05 21:31 ` Srinivas Kandagatla
2023-05-09 20:47 ` [PATCH v13 03/24] virt: gunyah: Add hypercalls to identify Gunyah Elliot Berman
2023-06-05 19:47 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 04/24] virt: gunyah: msgq: Add hypercalls to send and receive messages Elliot Berman
2023-06-05 19:47 ` Alex Elder
2023-06-05 21:31 ` Srinivas Kandagatla
2023-05-09 20:47 ` [PATCH v13 05/24] mailbox: Add Gunyah message queue mailbox Elliot Berman
2023-05-24 6:29 ` Dmitry Baryshkov
2023-06-05 19:47 ` Alex Elder
2023-06-05 21:32 ` Srinivas Kandagatla
2023-05-09 20:47 ` [PATCH v13 06/24] gunyah: rsc_mgr: Add resource manager RPC core Elliot Berman
2023-06-05 19:47 ` Alex Elder
2023-06-06 12:45 ` Srinivas Kandagatla
2023-05-09 20:47 ` [PATCH v13 07/24] gunyah: rsc_mgr: Add VM lifecycle RPC Elliot Berman
2023-06-05 19:47 ` Alex Elder
2023-06-06 12:49 ` Srinivas Kandagatla
2023-05-09 20:47 ` [PATCH v13 08/24] gunyah: vm_mgr: Introduce basic VM Manager Elliot Berman
2023-06-05 19:47 ` Alex Elder
2023-06-06 12:51 ` Srinivas Kandagatla
2023-05-09 20:47 ` [PATCH v13 09/24] gunyah: rsc_mgr: Add RPC for sharing memory Elliot Berman
2023-06-05 19:48 ` Alex Elder
2023-06-09 22:35 ` Elliot Berman
2023-06-06 13:35 ` Srinivas Kandagatla
2023-05-09 20:47 ` [PATCH v13 10/24] gunyah: vm_mgr: Add/remove user memory regions Elliot Berman
2023-05-19 11:59 ` Will Deacon
2023-05-19 17:02 ` Elliot Berman
2023-06-05 14:18 ` Will Deacon
2023-06-07 15:54 ` Elliot Berman
2023-06-22 23:56 ` Elliot Berman
2023-07-13 20:28 ` Elliot Berman
2023-07-14 12:13 ` Will Deacon
2023-07-19 2:28 ` Elliot Berman
2023-07-20 10:39 ` Will Deacon
2023-06-13 17:54 ` Elliot Berman
2023-06-05 19:48 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 11/24] gunyah: vm_mgr: Add ioctls to support basic non-proxy VM boot Elliot Berman
2023-06-05 19:48 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 12/24] samples: Add sample userspace Gunyah VM Manager Elliot Berman
2023-06-05 19:48 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 13/24] gunyah: rsc_mgr: Add platform ops on mem_lend/mem_reclaim Elliot Berman
2023-06-05 19:48 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 14/24] virt: gunyah: Add Qualcomm Gunyah platform ops Elliot Berman
2023-06-05 19:48 ` Alex Elder
2023-06-07 15:55 ` Elliot Berman
2023-05-09 20:47 ` [PATCH v13 15/24] docs: gunyah: Document Gunyah VM Manager Elliot Berman
2023-06-05 19:49 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 16/24] virt: gunyah: Translate gh_rm_hyp_resource into gunyah_resource Elliot Berman
2023-06-05 19:49 ` Alex Elder
2023-06-09 20:00 ` Elliot Berman
2023-05-09 20:47 ` [PATCH v13 17/24] gunyah: vm_mgr: Add framework for VM Functions Elliot Berman
2023-06-05 19:49 ` Alex Elder
2023-06-09 19:49 ` Elliot Berman
2023-06-12 12:57 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 18/24] virt: gunyah: Add resource tickets Elliot Berman
2023-06-05 19:49 ` Alex Elder [this message]
2023-05-09 20:47 ` [PATCH v13 19/24] virt: gunyah: Add IO handlers Elliot Berman
2023-06-05 19:50 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 20/24] virt: gunyah: Add proxy-scheduled vCPUs Elliot Berman
2023-06-05 19:50 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 21/24] virt: gunyah: Add hypercalls for sending doorbell Elliot Berman
2023-06-05 19:50 ` Alex Elder
2023-05-09 20:47 ` [PATCH v13 22/24] virt: gunyah: Add irqfd interface Elliot Berman
2023-06-05 19:50 ` Alex Elder
2023-06-09 18:22 ` Elliot Berman
2023-06-09 18:28 ` Alex Elder
2023-05-09 20:48 ` [PATCH v13 23/24] virt: gunyah: Add ioeventfd Elliot Berman
2023-06-05 19:50 ` Alex Elder
2023-06-09 17:33 ` Elliot Berman
2023-06-09 17:46 ` Alex Elder
2023-05-09 20:48 ` [PATCH v13 24/24] MAINTAINERS: Add Gunyah hypervisor drivers section Elliot Berman
2023-06-05 19:50 ` Alex Elder
2023-05-24 6:47 ` [PATCH v13 00/24] Drivers for Gunyah hypervisor Dmitry Baryshkov
2023-05-24 17:13 ` Alex Bennée
2023-06-13 23:02 ` Elliot Berman
2023-06-05 19:47 ` Alex Elder
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