From: Elliot Berman <quic_eberman@quicinc.com>
To: Alex Elder <elder@linaro.org>,
Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
Elliot Berman <quic_eberman@quicinc.com>,
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: [PATCH v13 02/24] gunyah: Common types and error codes for Gunyah hypercalls
Date: Tue, 9 May 2023 13:47:39 -0700 [thread overview]
Message-ID: <20230509204801.2824351-3-quic_eberman@quicinc.com> (raw)
In-Reply-To: <20230509204801.2824351-1-quic_eberman@quicinc.com>
Add architecture-independent standard error codes, types, and macros for
Gunyah hypercalls.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
---
include/linux/gunyah.h | 83 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 83 insertions(+)
create mode 100644 include/linux/gunyah.h
diff --git a/include/linux/gunyah.h b/include/linux/gunyah.h
new file mode 100644
index 000000000000..a4e8ec91961d
--- /dev/null
+++ b/include/linux/gunyah.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _LINUX_GUNYAH_H
+#define _LINUX_GUNYAH_H
+
+#include <linux/errno.h>
+#include <linux/limits.h>
+
+/******************************************************************************/
+/* Common arch-independent definitions for Gunyah hypercalls */
+#define GH_CAPID_INVAL U64_MAX
+#define GH_VMID_ROOT_VM 0xff
+
+enum gh_error {
+ GH_ERROR_OK = 0,
+ GH_ERROR_UNIMPLEMENTED = -1,
+ GH_ERROR_RETRY = -2,
+
+ GH_ERROR_ARG_INVAL = 1,
+ GH_ERROR_ARG_SIZE = 2,
+ GH_ERROR_ARG_ALIGN = 3,
+
+ GH_ERROR_NOMEM = 10,
+
+ GH_ERROR_ADDR_OVFL = 20,
+ GH_ERROR_ADDR_UNFL = 21,
+ GH_ERROR_ADDR_INVAL = 22,
+
+ GH_ERROR_DENIED = 30,
+ GH_ERROR_BUSY = 31,
+ GH_ERROR_IDLE = 32,
+
+ GH_ERROR_IRQ_BOUND = 40,
+ GH_ERROR_IRQ_UNBOUND = 41,
+
+ GH_ERROR_CSPACE_CAP_NULL = 50,
+ GH_ERROR_CSPACE_CAP_REVOKED = 51,
+ GH_ERROR_CSPACE_WRONG_OBJ_TYPE = 52,
+ GH_ERROR_CSPACE_INSUF_RIGHTS = 53,
+ GH_ERROR_CSPACE_FULL = 54,
+
+ GH_ERROR_MSGQUEUE_EMPTY = 60,
+ GH_ERROR_MSGQUEUE_FULL = 61,
+};
+
+/**
+ * gh_error_remap() - Remap Gunyah hypervisor errors into a Linux error code
+ * @gh_error: Gunyah hypercall return value
+ */
+static inline int gh_error_remap(enum gh_error gh_error)
+{
+ switch (gh_error) {
+ case GH_ERROR_OK:
+ return 0;
+ case GH_ERROR_NOMEM:
+ return -ENOMEM;
+ case GH_ERROR_DENIED:
+ case GH_ERROR_CSPACE_CAP_NULL:
+ case GH_ERROR_CSPACE_CAP_REVOKED:
+ case GH_ERROR_CSPACE_WRONG_OBJ_TYPE:
+ case GH_ERROR_CSPACE_INSUF_RIGHTS:
+ case GH_ERROR_CSPACE_FULL:
+ return -EACCES;
+ case GH_ERROR_BUSY:
+ case GH_ERROR_IDLE:
+ return -EBUSY;
+ case GH_ERROR_IRQ_BOUND:
+ case GH_ERROR_IRQ_UNBOUND:
+ case GH_ERROR_MSGQUEUE_FULL:
+ case GH_ERROR_MSGQUEUE_EMPTY:
+ return -EIO;
+ case GH_ERROR_UNIMPLEMENTED:
+ case GH_ERROR_RETRY:
+ return -EOPNOTSUPP;
+ default:
+ return -EINVAL;
+ }
+}
+
+#endif
--
2.40.0
next prev parent reply other threads:[~2023-05-09 20:49 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 ` Elliot Berman [this message]
2023-06-05 19:47 ` [PATCH v13 02/24] gunyah: Common types and error codes for Gunyah hypercalls 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
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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