diff options
Diffstat (limited to 'meta-arm/meta-arm-bsp/recipes-security/trusted-services/corstone1000/0003-Add-openamp-rpc-caller.patch')
| -rw-r--r-- | meta-arm/meta-arm-bsp/recipes-security/trusted-services/corstone1000/0003-Add-openamp-rpc-caller.patch | 1196 |
1 files changed, 0 insertions, 1196 deletions
diff --git a/meta-arm/meta-arm-bsp/recipes-security/trusted-services/corstone1000/0003-Add-openamp-rpc-caller.patch b/meta-arm/meta-arm-bsp/recipes-security/trusted-services/corstone1000/0003-Add-openamp-rpc-caller.patch deleted file mode 100644 index 5686face15..0000000000 --- a/meta-arm/meta-arm-bsp/recipes-security/trusted-services/corstone1000/0003-Add-openamp-rpc-caller.patch +++ /dev/null @@ -1,1196 +0,0 @@ -From 55394c4c9681af71b1ed7f7ebc7c44b2e1737113 Mon Sep 17 00:00:00 2001 -From: Vishnu Banavath <vishnu.banavath@arm.com> -Date: Fri, 3 Dec 2021 19:00:54 +0000 -Subject: [PATCH 03/20] Add openamp rpc caller - -Upstream-Status: Pending -Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com> -Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org> ---- - components/rpc/common/caller/rpc_caller.c | 10 + - components/rpc/common/interface/rpc_caller.h | 8 + - .../rpc/openamp/caller/sp/component.cmake | 15 + - .../rpc/openamp/caller/sp/openamp_caller.c | 203 +++++++ - .../rpc/openamp/caller/sp/openamp_caller.h | 43 ++ - .../rpc/openamp/caller/sp/openamp_mhu.c | 191 ++++++ - .../rpc/openamp/caller/sp/openamp_mhu.h | 19 + - .../rpc/openamp/caller/sp/openamp_virtio.c | 555 ++++++++++++++++++ - .../rpc/openamp/caller/sp/openamp_virtio.h | 24 + - .../se-proxy/opteesp/default_se-proxy.dts.in | 6 + - deployments/se-proxy/se-proxy.cmake | 1 + - 11 files changed, 1075 insertions(+) - create mode 100644 components/rpc/openamp/caller/sp/component.cmake - create mode 100644 components/rpc/openamp/caller/sp/openamp_caller.c - create mode 100644 components/rpc/openamp/caller/sp/openamp_caller.h - create mode 100644 components/rpc/openamp/caller/sp/openamp_mhu.c - create mode 100644 components/rpc/openamp/caller/sp/openamp_mhu.h - create mode 100644 components/rpc/openamp/caller/sp/openamp_virtio.c - create mode 100644 components/rpc/openamp/caller/sp/openamp_virtio.h - -diff --git a/components/rpc/common/caller/rpc_caller.c b/components/rpc/common/caller/rpc_caller.c -index 2dceabeb8967..20d889c162b0 100644 ---- a/components/rpc/common/caller/rpc_caller.c -+++ b/components/rpc/common/caller/rpc_caller.c -@@ -37,3 +37,13 @@ void rpc_caller_end(struct rpc_caller *s, rpc_call_handle handle) - { - s->call_end(s->context, handle); - } -+ -+void *rpc_caller_virt_to_phys(struct rpc_caller *s, void *va) -+{ -+ return s->virt_to_phys(s->context, va); -+} -+ -+void *rpc_caller_phys_to_virt(struct rpc_caller *s, void *pa) -+{ -+ return s->phys_to_virt(s->context, pa); -+} -diff --git a/components/rpc/common/interface/rpc_caller.h b/components/rpc/common/interface/rpc_caller.h -index 387489cdb1b2..ef9bb64905ed 100644 ---- a/components/rpc/common/interface/rpc_caller.h -+++ b/components/rpc/common/interface/rpc_caller.h -@@ -45,6 +45,10 @@ struct rpc_caller - rpc_opstatus_t *opstatus, uint8_t **resp_buf, size_t *resp_len); - - void (*call_end)(void *context, rpc_call_handle handle); -+ -+ void *(*virt_to_phys)(void *context, void *va); -+ -+ void *(*phys_to_virt)(void *context, void *pa); - }; - - /* -@@ -87,6 +91,10 @@ RPC_CALLER_EXPORTED rpc_status_t rpc_caller_invoke(struct rpc_caller *s, rpc_cal - */ - RPC_CALLER_EXPORTED void rpc_caller_end(struct rpc_caller *s, rpc_call_handle handle); - -+RPC_CALLER_EXPORTED void *rpc_caller_virt_to_phys(struct rpc_caller *s, void *va); -+ -+RPC_CALLER_EXPORTED void *rpc_caller_phys_to_virt(struct rpc_caller *s, void *pa); -+ - #ifdef __cplusplus - } - #endif -diff --git a/components/rpc/openamp/caller/sp/component.cmake b/components/rpc/openamp/caller/sp/component.cmake -new file mode 100644 -index 000000000000..fc919529d731 ---- /dev/null -+++ b/components/rpc/openamp/caller/sp/component.cmake -@@ -0,0 +1,15 @@ -+#------------------------------------------------------------------------------- -+# Copyright (c) 2020, Arm Limited and Contributors. All rights reserved. -+# -+# SPDX-License-Identifier: BSD-3-Clause -+# -+#------------------------------------------------------------------------------- -+if (NOT DEFINED TGT) -+ message(FATAL_ERROR "mandatory parameter TGT is not defined.") -+endif() -+ -+target_sources(${TGT} PRIVATE -+ "${CMAKE_CURRENT_LIST_DIR}/openamp_caller.c" -+ "${CMAKE_CURRENT_LIST_DIR}/openamp_virtio.c" -+ "${CMAKE_CURRENT_LIST_DIR}/openamp_mhu.c" -+ ) -diff --git a/components/rpc/openamp/caller/sp/openamp_caller.c b/components/rpc/openamp/caller/sp/openamp_caller.c -new file mode 100644 -index 000000000000..6cdfb756568f ---- /dev/null -+++ b/components/rpc/openamp/caller/sp/openamp_caller.c -@@ -0,0 +1,203 @@ -+/* -+ * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved. -+ * Copyright (c) 2021, Linaro Limited. All rights reserved. -+ * -+ * SPDX-License-Identifier: BSD-3-Clause -+ */ -+ -+#include <stddef.h> -+#include <trace.h> -+#include "openamp_caller.h" -+#include "openamp_mhu.h" -+#include "openamp_virtio.h" -+#include <protocols/rpc/common/packed-c/status.h> -+ -+#define OPENAMP_TRANSACTION_IDLE 0x0 -+#define OPENAMP_TRANSACTION_INPROGRESS 0x1 -+#define OPENAMP_TRANSACTION_INVOKED 0x2 -+ -+static rpc_call_handle openamp_call_begin(void *context, uint8_t **req_buf, -+ size_t req_len) -+{ -+ struct openamp_caller *openamp = context; -+ const struct openamp_platform_ops *ops = openamp->platform_ops; -+ rpc_call_handle handle; -+ int ret; -+ -+ if (!req_buf) { -+ EMSG("openamp: call_begin: not req_buf"); -+ return NULL; -+ } -+ -+ if (req_len > UINT32_MAX || req_len == 0) { -+ EMSG("openamp: call_begin: resp_len invalid: %lu", req_len); -+ return NULL; -+ } -+ -+ if (openamp->status != OPENAMP_TRANSACTION_IDLE) { -+ EMSG("openamp: call_begin: transaction not idle"); -+ return NULL; -+ } -+ -+ ret = ops->platform_call_begin(openamp, req_buf, req_len); -+ if (ret < 0) { -+ EMSG("openamp: call_begin: platform begin failed: %d", ret); -+ return NULL; -+ } -+ -+ openamp->status = OPENAMP_TRANSACTION_INPROGRESS; -+ handle = openamp; -+ -+ return handle; -+} -+ -+static rpc_status_t openamp_call_invoke(void *context, rpc_call_handle handle, -+ uint32_t opcode, int *opstatus, -+ uint8_t **resp_buf, size_t *resp_len) -+{ -+ struct openamp_caller *openamp = context; -+ const struct openamp_platform_ops *ops = openamp->platform_ops; -+ rpc_status_t status; -+ int ret; -+ -+ (void)opcode; -+ -+ if ((handle != openamp) || !opstatus || !resp_buf || !resp_len) { -+ EMSG("openamp: call_invoke: invalid arguments"); -+ return TS_RPC_ERROR_INVALID_PARAMETER; -+ } -+ -+ if (openamp->status != OPENAMP_TRANSACTION_INPROGRESS) { -+ EMSG("openamp: call_invoke: transaction needed to be started"); -+ return TS_RPC_ERROR_NOT_READY; -+ } -+ -+ ret = ops->platform_call_invoke(openamp, opstatus, resp_buf, resp_len); -+ if (ret < 0) -+ return TS_RPC_ERROR_INTERNAL; -+ -+ openamp->status = OPENAMP_TRANSACTION_INVOKED; -+ *opstatus = 0; -+ -+ return TS_RPC_CALL_ACCEPTED; -+} -+ -+static void openamp_call_end(void *context, rpc_call_handle handle) -+{ -+ struct openamp_caller *openamp = context; -+ const struct openamp_platform_ops *ops = openamp->platform_ops; -+ -+ if (handle != openamp) { -+ EMSG("openamp: call_end: invalid arguments"); -+ return; -+ } -+ -+ if (openamp->status == OPENAMP_TRANSACTION_IDLE) { -+ EMSG("openamp: call_end: transaction idle"); -+ return; -+ } -+ -+ ops->platform_call_end(openamp); -+ -+ openamp->status = OPENAMP_TRANSACTION_IDLE; -+} -+ -+static void *openamp_virt_to_phys(void *context, void *va) -+{ -+ struct openamp_caller *openamp = context; -+ const struct openamp_platform_ops *ops = openamp->platform_ops; -+ -+ return ops->platform_virt_to_phys(openamp, va); -+} -+ -+static void *openamp_phys_to_virt(void *context, void *pa) -+{ -+ struct openamp_caller *openamp = context; -+ const struct openamp_platform_ops *ops = openamp->platform_ops; -+ -+ return ops->platform_phys_to_virt(openamp, pa); -+} -+ -+static int openamp_init(struct openamp_caller *openamp) -+{ -+ const struct openamp_platform_ops *ops = openamp->platform_ops; -+ int ret; -+ -+ ret = ops->transport_init(openamp); -+ if (ret < 0) -+ return ret; -+ -+ ret = ops->platform_init(openamp); -+ if (ret < 0) -+ goto denit_transport; -+ -+ return 0; -+ -+denit_transport: -+ ops->transport_deinit(openamp); -+ -+ return ret; -+} -+ -+static const struct openamp_platform_ops openamp_virtio_ops = { -+ .transport_init = openamp_mhu_init, -+ .transport_deinit = openamp_mhu_deinit, -+ .transport_notify = openamp_mhu_notify_peer, -+ .transport_receive = openamp_mhu_receive, -+ .platform_init = openamp_virtio_init, -+ .platform_call_begin = openamp_virtio_call_begin, -+ .platform_call_invoke = openamp_virtio_call_invoke, -+ .platform_call_end = openamp_virtio_call_end, -+ .platform_virt_to_phys = openamp_virtio_virt_to_phys, -+ .platform_phys_to_virt = openamp_virtio_phys_to_virt, -+}; -+ -+struct rpc_caller *openamp_caller_init(struct openamp_caller *openamp) -+{ -+ struct rpc_caller *rpc = &openamp->rpc_caller; -+ int ret; -+ -+ if (openamp->ref_count) -+ return rpc; -+ -+ rpc_caller_init(rpc, openamp); -+ -+ rpc->call_begin = openamp_call_begin; -+ rpc->call_invoke = openamp_call_invoke; -+ rpc->call_end = openamp_call_end; -+ rpc->virt_to_phys = openamp_virt_to_phys; -+ rpc->phys_to_virt = openamp_phys_to_virt; -+ openamp->platform_ops = &openamp_virtio_ops; -+ -+ ret = openamp_init(openamp); -+ if (ret < 0) { -+ EMSG("openamp_init: failed to start: %d", ret); -+ return rpc; -+ } -+ openamp->ref_count++; -+ -+ return rpc; -+} -+ -+void openamp_caller_deinit(struct openamp_caller *openamp) -+{ -+ struct rpc_caller *rpc = &openamp->rpc_caller; -+ -+ if (--openamp->ref_count) -+ return; -+ -+ rpc->context = NULL; -+ rpc->call_begin = NULL; -+ rpc->call_invoke = NULL; -+ rpc->call_end = NULL; -+} -+ -+int openamp_caller_discover(struct openamp_caller *openamp) -+{ -+ return openamp_init(openamp); -+} -+ -+int openamp_caller_open(struct openamp_caller *openamp) -+{ -+ -+} -diff --git a/components/rpc/openamp/caller/sp/openamp_caller.h b/components/rpc/openamp/caller/sp/openamp_caller.h -new file mode 100644 -index 000000000000..3fb67c56cc53 ---- /dev/null -+++ b/components/rpc/openamp/caller/sp/openamp_caller.h -@@ -0,0 +1,43 @@ -+/* -+ * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved. -+ * Copyright (c) 2021, Linaro Limited. All rights reserved. -+ * -+ * SPDX-License-Identifier: BSD-3-Clause -+ */ -+#ifndef OPENAMP_CALLER_H -+#define OPENAMP_CALLER_H -+ -+#include <stddef.h> -+#include <rpc_caller.h> -+ -+struct openamp_caller { -+ struct rpc_caller rpc_caller; -+ const struct openamp_platform_ops *platform_ops; -+ uint32_t ref_count; -+ uint8_t status; -+ -+ void *transport; -+ void *platform; -+}; -+ -+struct openamp_platform_ops { -+ int (*transport_init)(struct openamp_caller *openamp); -+ int (*transport_deinit)(struct openamp_caller *openamp); -+ int (*transport_notify)(struct openamp_caller *openamp); -+ int (*transport_receive)(struct openamp_caller *openamp); -+ int (*platform_init)(struct openamp_caller *openamp); -+ int (*platform_deinit)(struct openamp_caller *openamp); -+ int (*platform_call_begin)(struct openamp_caller *openamp, -+ uint8_t **req_buf, size_t req_len); -+ int (*platform_call_invoke)(struct openamp_caller *openamp, -+ int *opstatus, uint8_t **resp_buf, -+ size_t *resp_len); -+ int (*platform_call_end)(struct openamp_caller *openamp); -+ void *(*platform_virt_to_phys)(struct openamp_caller *openamp, void *va); -+ void *(*platform_phys_to_virt)(struct openamp_caller *openamp, void *pa); -+}; -+ -+struct rpc_caller *openamp_caller_init(struct openamp_caller *openamp); -+void openamp_caller_deinit(struct openamp_caller *openamp); -+ -+#endif -diff --git a/components/rpc/openamp/caller/sp/openamp_mhu.c b/components/rpc/openamp/caller/sp/openamp_mhu.c -new file mode 100644 -index 000000000000..ffdadaf870a3 ---- /dev/null -+++ b/components/rpc/openamp/caller/sp/openamp_mhu.c -@@ -0,0 +1,191 @@ -+/* -+ * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved. -+ * Copyright (c) 2021, Linaro Limited. All rights reserved. -+ * -+ * SPDX-License-Identifier: BSD-3-Clause -+ */ -+ -+#include <config/interface/config_store.h> -+#include <config/interface/config_blob.h> -+#include <platform/interface/device_region.h> -+#include <platform/drivers/arm/mhu_driver/mhu_v2.h> -+#include <trace.h> -+#include <errno.h> -+#include <stdlib.h> -+#include <stdint.h> -+#include <stddef.h> -+#include <limits.h> -+ -+#include "openamp_caller.h" -+ -+#define MHU_V_2_NOTIFY_CHANNEL 0 -+#define MHU_V_2_NOTIFY_VALUE 0xff -+ -+struct openamp_mhu { -+ struct device_region rx_region; -+ struct device_region tx_region; -+ struct mhu_v2_x_dev_t rx_dev; -+ struct mhu_v2_x_dev_t tx_dev; -+}; -+ -+static int openamp_mhu_device_get(const char *dev, -+ struct device_region *dev_region) -+{ -+ bool found; -+ -+ found = config_store_query(CONFIG_CLASSIFIER_DEVICE_REGION, dev, 0, -+ dev_region, sizeof(*dev_region)); -+ if (!found) -+ return -EINVAL; -+ -+ if (!dev_region->base_addr) -+ return -EINVAL; -+ -+ IMSG("mhu: device region found: %s addr: 0x%x size: %d", dev, -+ dev_region->base_addr, dev_region->io_region_size); -+ -+ return 0; -+} -+ -+int openamp_mhu_receive(struct openamp_caller *openamp) -+{ -+ struct mhu_v2_x_dev_t *rx_dev; -+ enum mhu_v2_x_error_t ret; -+ struct openamp_mhu *mhu; -+ uint32_t channel = 0; -+ uint32_t irq_status; -+ -+ if (!openamp->transport) { -+ EMSG("openamp: mhu: receive transport not initialized"); -+ return -EINVAL; -+ } -+ -+ mhu = openamp->transport; -+ rx_dev = &mhu->rx_dev; -+ -+ irq_status = 0; -+ -+ do { -+ irq_status = mhu_v2_x_get_interrupt_status(rx_dev); -+ } while(!irq_status); -+ -+ ret = mhu_v2_1_get_ch_interrupt_num(rx_dev, &channel); -+ -+ ret = mhu_v2_x_channel_clear(rx_dev, channel); -+ if (ret != MHU_V_2_X_ERR_NONE) { -+ EMSG("openamp: mhu: failed to clear channel: %d", channel); -+ return -EPROTO; -+ } -+ -+ return 0; -+} -+ -+int openamp_mhu_notify_peer(struct openamp_caller *openamp) -+{ -+ struct mhu_v2_x_dev_t *tx_dev; -+ enum mhu_v2_x_error_t ret; -+ struct openamp_mhu *mhu; -+ uint32_t access_ready; -+ -+ if (!openamp->transport) { -+ EMSG("openamp: mhu: notify transport not initialized"); -+ return -EINVAL; -+ } -+ -+ mhu = openamp->transport; -+ tx_dev = &mhu->tx_dev; -+ -+ ret = mhu_v2_x_set_access_request(tx_dev); -+ if (ret != MHU_V_2_X_ERR_NONE) { -+ EMSG("openamp: mhu: set access request failed"); -+ return -EPROTO; -+ } -+ -+ do { -+ ret = mhu_v2_x_get_access_ready(tx_dev, &access_ready); -+ if (ret != MHU_V_2_X_ERR_NONE) { -+ EMSG("openamp: mhu: failed to get access_ready"); -+ return -EPROTO; -+ } -+ } while (!access_ready); -+ -+ ret = mhu_v2_x_channel_send(tx_dev, MHU_V_2_NOTIFY_CHANNEL, -+ MHU_V_2_NOTIFY_VALUE); -+ if (ret != MHU_V_2_X_ERR_NONE) { -+ EMSG("openamp: mhu: failed send over channel"); -+ return -EPROTO; -+ } -+ -+ ret = mhu_v2_x_reset_access_request(tx_dev); -+ if (ret != MHU_V_2_X_ERR_NONE) { -+ EMSG("openamp: mhu: failed reset access request"); -+ return -EPROTO; -+ } -+ -+ return 0; -+} -+ -+int openamp_mhu_init(struct openamp_caller *openamp) -+{ -+ struct mhu_v2_x_dev_t *rx_dev; -+ struct mhu_v2_x_dev_t *tx_dev; -+ struct openamp_mhu *mhu; -+ int ret; -+ -+ /* if we already have initialized skip this */ -+ if (openamp->transport) -+ return 0; -+ -+ mhu = malloc(sizeof(*mhu)); -+ if (!mhu) -+ return -1; -+ -+ ret = openamp_mhu_device_get("mhu-sender", &mhu->tx_region); -+ if (ret < 0) -+ goto free_mhu; -+ -+ ret = openamp_mhu_device_get("mhu-receiver", &mhu->rx_region); -+ if (ret < 0) -+ goto free_mhu; -+ -+ rx_dev = &mhu->rx_dev; -+ tx_dev = &mhu->tx_dev; -+ -+ rx_dev->base = (unsigned int)mhu->rx_region.base_addr; -+ rx_dev->frame = MHU_V2_X_RECEIVER_FRAME; -+ -+ tx_dev->base = (unsigned int)mhu->tx_region.base_addr; -+ tx_dev->frame = MHU_V2_X_SENDER_FRAME; -+ -+ ret = mhu_v2_x_driver_init(rx_dev, MHU_REV_READ_FROM_HW); -+ if (ret < 0) -+ goto free_mhu; -+ -+ ret = mhu_v2_x_driver_init(tx_dev, MHU_REV_READ_FROM_HW); -+ if (ret < 0) -+ goto free_mhu; -+ -+ openamp->transport = (void *)mhu; -+ -+ return 0; -+ -+free_mhu: -+ free(mhu); -+ -+ return ret; -+} -+ -+int openamp_mhu_deinit(struct openamp_caller *openamp) -+{ -+ struct openamp_mhu *mhu; -+ -+ if (!openamp->transport) -+ return 0; -+ -+ mhu = openamp->transport; -+ free(mhu); -+ -+ openamp->transport = NULL; -+ -+ return 0; -+} -diff --git a/components/rpc/openamp/caller/sp/openamp_mhu.h b/components/rpc/openamp/caller/sp/openamp_mhu.h -new file mode 100644 -index 000000000000..2ae5cb8ee1c6 ---- /dev/null -+++ b/components/rpc/openamp/caller/sp/openamp_mhu.h -@@ -0,0 +1,19 @@ -+/* -+ * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved. -+ * Copyright (c) 2021, Linaro Limited. All rights reserved. -+ * -+ * SPDX-License-Identifier: BSD-3-Clause -+ */ -+#ifndef OPENAMP_MHU_H -+#define OPENAMP_MHU_H -+ -+#include <stddef.h> -+#include "openamp_caller.h" -+ -+int openamp_mhu_init(struct openamp_caller *openamp); -+int openamp_mhu_deinit(struct openamp_caller *openamp); -+ -+int openamp_mhu_notify_peer(struct openamp_caller *openamp); -+int openamp_mhu_receive(struct openamp_caller *openamp); -+ -+#endif -diff --git a/components/rpc/openamp/caller/sp/openamp_virtio.c b/components/rpc/openamp/caller/sp/openamp_virtio.c -new file mode 100644 -index 000000000000..b7c1aa929111 ---- /dev/null -+++ b/components/rpc/openamp/caller/sp/openamp_virtio.c -@@ -0,0 +1,555 @@ -+/* -+ * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved. -+ * Copyright (c) 2021, Linaro Limited. All rights reserved. -+ * -+ * SPDX-License-Identifier: BSD-3-Clause -+ */ -+ -+#include <metal/device.h> -+#include <metal/spinlock.h> -+#include <openamp/open_amp.h> -+#include <platform/interface/device_region.h> -+#include <config/interface/config_store.h> -+ -+#include <stddef.h> -+#include <trace.h> -+#include "openamp_caller.h" -+ -+#define OPENAMP_SHEM_DEVICE_NAME "openamp-virtio" -+#define OPENAMP_RPMSG_ENDPOINT_NAME OPENAMP_SHEM_DEVICE_NAME -+#define OPENAMP_RPMSG_ENDPOINT_ADDR 1024 -+ -+#define OPENAMP_SHEM_PHYS 0x88000000 -+#define OPENAMP_SHEM_PHYS_PAGES 1 -+#define OPENAMP_SHEM_SE_PHYS 0xa8000000 -+ -+#define OPENAMP_SHEM_VDEV_SIZE (4 * 1024) -+#define OPENAMP_SHEM_VRING_SIZE (4 * 1024) -+ -+#define OPENAMP_BUFFER_NO_WAIT 0 -+#define OPENAMP_BUFFER_WAIT 1 -+ -+#define VIRTQUEUE_NR 2 -+#define VQ_TX 0 -+#define VQ_RX 1 -+ -+#define VRING_DESCRIPTORS 16 -+#define VRING_ALIGN 4 -+ -+#define container_of(ptr, type, member) \ -+ ((type *)((char *)(ptr) - (unsigned long)(&((type *)0)->member))) -+ -+struct openamp_virtio_shm { -+ uintptr_t base_addr; -+ size_t size; -+ uintptr_t vdev_status; -+ size_t vdev_status_size; -+ uintptr_t payload_addr; -+ size_t payload_size; -+ uintptr_t vring_tx; -+ size_t vring_tx_size; -+ uintptr_t vring_rx; -+ size_t vring_rx_size; -+ -+ metal_phys_addr_t shm_physmap[OPENAMP_SHEM_PHYS_PAGES]; -+}; -+ -+struct openamp_virtio_metal { -+ struct metal_spinlock lock; -+ struct metal_device shm_dev; -+ struct metal_device *io_dev; -+ -+ struct metal_io_region *io; -+ struct openamp_virtio_shm shm; -+}; -+ -+struct openamp_virtio_device { -+ struct virtio_device virtio_dev; -+ struct virtqueue *vq[VIRTQUEUE_NR]; -+ struct virtio_vring_info rvrings[VIRTQUEUE_NR]; -+}; -+ -+struct openamp_virtio_rpmsg { -+ struct rpmsg_virtio_device rpmsg_vdev; -+ struct rpmsg_endpoint ep; -+ uint8_t *req_buf; -+ uint32_t req_len; -+ uint8_t *resp_buf; -+ size_t resp_len; -+}; -+ -+struct openamp_virtio { -+ struct openamp_caller *openamp; -+ struct openamp_virtio_rpmsg rpmsg; -+ struct openamp_virtio_device vdev; -+ struct openamp_virtio_metal metal; -+}; -+ -+static struct openamp_virtio *openamp_virtio_from_dev(struct virtio_device *vdev) -+{ -+ struct openamp_virtio_device *openamp_vdev; -+ -+ openamp_vdev = container_of(vdev, struct openamp_virtio_device, -+ virtio_dev); -+ -+ return container_of(openamp_vdev, struct openamp_virtio, vdev); -+} -+ -+static struct openamp_virtio_rpmsg *openamp_virtio_rpmsg_from_dev(struct rpmsg_device *rdev) -+{ -+ struct rpmsg_virtio_device *rvdev; -+ -+ rvdev = container_of(rdev, struct rpmsg_virtio_device, rdev); -+ -+ return container_of(rvdev, struct openamp_virtio_rpmsg, rpmsg_vdev); -+ -+} -+ -+static void openamp_virtio_metal_device_setup(struct metal_device *shm_dev, -+ struct openamp_virtio_shm *shm) -+{ -+ struct metal_io_region *shm_region; -+ -+ shm_region = &shm_dev->regions[0]; -+ -+ shm_dev->name = OPENAMP_SHEM_DEVICE_NAME; -+ shm_dev->num_regions = 1; -+ -+ shm_region->virt = (void *)shm->payload_addr; -+ shm_region->size = shm->payload_size; -+ -+ shm_region->physmap = &shm->shm_physmap; -+ shm_region->page_shift = (metal_phys_addr_t)(-1); -+ shm_region->page_mask = (metal_phys_addr_t)(-1); -+} -+ -+static int openamp_virtio_metal_init(struct openamp_virtio_metal *metal) -+{ -+ struct metal_init_params params = METAL_INIT_DEFAULTS; -+ struct metal_device *shm_dev = &metal->shm_dev; -+ int ret; -+ -+ openamp_virtio_metal_device_setup(shm_dev, &metal->shm); -+ -+ metal_spinlock_init(&metal->lock); -+ -+ ret = metal_init(¶ms); -+ if (ret < 0) -+ return ret; -+ -+ ret = metal_register_generic_device(shm_dev); -+ if (ret < 0) -+ goto metal_finish; -+ -+ ret = metal_device_open("generic", OPENAMP_SHEM_DEVICE_NAME, -+ &metal->io_dev); -+ if (ret < 0) -+ goto metal_finish; -+ -+ metal->io = metal_device_io_region(metal->io_dev, 0); -+ if (!metal->io) { -+ EMSG("openamp: virtio: failed to init metal io"); -+ ret = -EPROTO; -+ goto metal_finish; -+ } -+ -+ return 0; -+ -+metal_finish: -+ metal_finish(); -+ return ret; -+} -+ -+static unsigned char openamp_virtio_status_get(struct virtio_device *vdev) -+{ -+ struct openamp_virtio *virtio = openamp_virtio_from_dev(vdev); -+ struct openamp_virtio_shm *shm = &virtio->metal.shm; -+ -+ uint32_t status = *(volatile uint32_t *)shm->vdev_status; -+ -+ return status; -+} -+ -+static void openamp_virtio_status_set(struct virtio_device *vdev, -+ unsigned char status) -+{ -+ struct openamp_virtio *virtio = openamp_virtio_from_dev(vdev); -+ struct openamp_virtio_shm *shm = &virtio->metal.shm; -+ -+ *(volatile uint32_t *)shm->vdev_status = status; -+} -+ -+static int count; -+ -+static uint32_t openamp_virtio_features_get(struct virtio_device *vdev) -+{ -+ return 1 << VIRTIO_RPMSG_F_NS; -+} -+ -+static void openamp_virtio_notify(struct virtqueue *vq) -+{ -+ struct openamp_virtio_device *openamp_vdev; -+ struct openamp_caller *openamp; -+ struct openamp_virtio *virtio; -+ int ret; -+ -+ openamp_vdev = container_of(vq->vq_dev, struct openamp_virtio_device, virtio_dev); -+ virtio = container_of(openamp_vdev, struct openamp_virtio, vdev); -+ openamp = virtio->openamp; -+ -+ ret = openamp->platform_ops->transport_notify(openamp); -+ if (ret < 0) -+ EMSG("openamp: virtio: erro in transport_notify: %d", ret); -+} -+ -+const static struct virtio_dispatch openamp_virtio_dispatch = { -+ .get_status = openamp_virtio_status_get, -+ .set_status = openamp_virtio_status_set, -+ .get_features = openamp_virtio_features_get, -+ .notify = openamp_virtio_notify, -+}; -+ -+static int openamp_virtio_device_setup(struct openamp_virtio *virtio) -+{ -+ struct openamp_virtio_metal *metal = &virtio->metal; -+ struct openamp_virtio_device *openamp_vdev = &virtio->vdev; -+ struct virtio_device *vdev = &openamp_vdev->virtio_dev; -+ struct openamp_virtio_shm *shm = &metal->shm; -+ struct virtio_vring_info *rvring; -+ -+ rvring = &openamp_vdev->rvrings[0]; -+ -+ vdev->role = RPMSG_REMOTE; -+ vdev->vrings_num = VIRTQUEUE_NR; -+ vdev->func = &openamp_virtio_dispatch; -+ -+ openamp_vdev->vq[VQ_TX] = virtqueue_allocate(VRING_DESCRIPTORS); -+ if (!openamp_vdev->vq[VQ_TX]) { -+ EMSG("openamp: virtio: failed to allocate virtqueue 0"); -+ return -ENOMEM; -+ } -+ rvring->io = metal->io; -+ rvring->info.vaddr = (void *)shm->vring_tx; -+ rvring->info.num_descs = VRING_DESCRIPTORS; -+ rvring->info.align = VRING_ALIGN; -+ rvring->vq = openamp_vdev->vq[VQ_TX]; -+ -+ openamp_vdev->vq[VQ_RX] = virtqueue_allocate(VRING_DESCRIPTORS); -+ if (!openamp_vdev->vq[VQ_RX]) { -+ EMSG("openamp: virtio: failed to allocate virtqueue 1"); -+ goto free_vq; -+ } -+ rvring = &openamp_vdev->rvrings[VQ_RX]; -+ rvring->io = metal->io; -+ rvring->info.vaddr = (void *)shm->vring_rx; -+ rvring->info.num_descs = VRING_DESCRIPTORS; -+ rvring->info.align = VRING_ALIGN; -+ rvring->vq = openamp_vdev->vq[VQ_RX]; -+ -+ vdev->vrings_info = &openamp_vdev->rvrings[0]; -+ -+ return 0; -+ -+free_vq: -+ virtqueue_free(openamp_vdev->vq[VQ_TX]); -+ virtqueue_free(openamp_vdev->vq[VQ_RX]); -+ -+ return -ENOMEM; -+} -+ -+static int openamp_virtio_rpmsg_endpoint_callback(struct rpmsg_endpoint *ep, -+ void *data, size_t len, -+ uint32_t src, void *priv) -+{ -+ struct openamp_virtio_rpmsg *vrpmsg; -+ struct rpmsg_device *rdev; -+ struct openamp_virtio *virtio; -+ -+ rdev = ep->rdev; -+ vrpmsg = openamp_virtio_rpmsg_from_dev(rdev); -+ virtio = container_of(vrpmsg, struct openamp_virtio, rpmsg); -+ -+ rpmsg_hold_rx_buffer(ep, data); -+ vrpmsg->resp_buf = data; -+ vrpmsg->resp_len = len; -+ -+ return 0; -+} -+ -+static void openamp_virtio_rpmsg_service_unbind(struct rpmsg_endpoint *ep) -+{ -+ struct openamp_virtio_rpmsg *vrpmsg; -+ struct rpmsg_device *rdev; -+ -+ rdev = container_of(ep, struct rpmsg_device, ns_ept); -+ vrpmsg = openamp_virtio_rpmsg_from_dev(rdev); -+ -+ rpmsg_destroy_ept(&vrpmsg->ep); -+} -+ -+static void openamp_virtio_rpmsg_endpoint_bind(struct rpmsg_device *rdev, -+ const char *name, -+ unsigned int dest) -+{ -+ struct openamp_virtio_rpmsg *vrpmsg; -+ -+ vrpmsg = openamp_virtio_rpmsg_from_dev(rdev); -+ -+ rpmsg_create_ept(&vrpmsg->ep, rdev, name, RPMSG_ADDR_ANY, dest, -+ openamp_virtio_rpmsg_endpoint_callback, -+ openamp_virtio_rpmsg_service_unbind); -+} -+ -+static int openamp_virtio_rpmsg_device_setup(struct openamp_virtio *virtio, -+ struct device_region *virtio_dev) -+{ -+ struct openamp_virtio_rpmsg *vrpmsg = &virtio->rpmsg; -+ struct rpmsg_virtio_device *rpmsg_vdev = &vrpmsg->rpmsg_vdev; -+ struct openamp_virtio_device *openamp_vdev = &virtio->vdev; -+ struct virtio_device *vdev = &openamp_vdev->virtio_dev; -+ struct openamp_virtio_metal *metal = &virtio->metal; -+ int ret; -+ -+ /* -+ * we assume here that we are the client side and do not need to -+ * initialize the share memory poll (this is done at server side). -+ */ -+ ret = rpmsg_init_vdev(rpmsg_vdev, vdev, -+ openamp_virtio_rpmsg_endpoint_bind, metal->io, -+ NULL); -+ if (ret < 0) { -+ EMSG("openamp: virtio: init vdev failed: %d", ret); -+ return ret; -+ } -+ -+ -+ ret = rpmsg_create_ept(&vrpmsg->ep, &rpmsg_vdev->rdev, -+ OPENAMP_RPMSG_ENDPOINT_NAME, RPMSG_ADDR_ANY, -+ RPMSG_ADDR_ANY, -+ openamp_virtio_rpmsg_endpoint_callback, -+ openamp_virtio_rpmsg_service_unbind); -+ if (ret < 0) { -+ EMSG("openamp: virtio: failed to create endpoint: %d", ret); -+ return ret; -+ } -+ -+ /* set default remote addr */ -+ vrpmsg->ep.dest_addr = OPENAMP_RPMSG_ENDPOINT_ADDR; -+ -+ return 0; -+} -+ -+static void openamp_virtio_shm_set(struct openamp_virtio *virtio, -+ struct device_region *virtio_region) -+{ -+ struct openamp_virtio_shm *shm = &virtio->metal.shm; -+ -+ shm->base_addr = virtio_region->base_addr; -+ shm->size = virtio_region->io_region_size; -+ -+ shm->vdev_status = shm->base_addr; -+ shm->vdev_status_size = OPENAMP_SHEM_VDEV_SIZE; -+ -+ shm->vring_rx = shm->base_addr + shm->size - -+ (2 * OPENAMP_SHEM_VRING_SIZE); -+ shm->vring_rx_size = OPENAMP_SHEM_VRING_SIZE; -+ -+ shm->vring_tx = shm->vring_rx + shm->vring_rx_size; -+ shm->vring_tx_size = OPENAMP_SHEM_VRING_SIZE; -+ -+ shm->payload_addr = shm->vdev_status + shm->vdev_status_size; -+ shm->payload_size = shm->size - shm->vdev_status_size - -+ shm->vring_rx_size - shm->vring_tx_size; -+ -+ shm->shm_physmap[0] = OPENAMP_SHEM_PHYS + shm->vdev_status_size; -+ -+ IMSG("SHEM: base: 0x%0x size: 0x%0x size: %d", -+ shm->base_addr, shm->size, shm->size); -+ IMSG("VDEV: base: 0x%0x size: 0x%0x size: %d", -+ shm->vdev_status, shm->vdev_status_size, shm->vdev_status_size); -+ IMSG("PAYLOAD: base: 0x%0x size: 0x%0x size: %d", -+ shm->payload_addr, shm->payload_size, shm->payload_size); -+ IMSG("VRING_TX: base: 0x%0x size: 0x%0x size: %d", -+ shm->vring_tx, shm->vring_tx_size, shm->vring_tx_size); -+ IMSG("VRING_RX: base: 0x%0x size: 0x%0x size: %d", -+ shm->vring_rx, shm->vring_rx_size, shm->vring_rx_size); -+ IMSG("PHYMAP: base: 0x%0x", shm->shm_physmap[0]); -+} -+ -+static int openamp_virtio_device_get(const char *dev, -+ struct device_region *dev_region) -+{ -+ bool found; -+ -+ found = config_store_query(CONFIG_CLASSIFIER_DEVICE_REGION, dev, 0, -+ dev_region, sizeof(*dev_region)); -+ if (!found) { -+ EMSG("openamp: virtio: device region not found: %s", dev); -+ return -EINVAL; -+ } -+ -+ if (dev_region->base_addr == 0 || dev_region->io_region_size == 0) { -+ EMSG("openamp: virtio: device region not valid"); -+ return -EINVAL; -+ } -+ -+ IMSG("openamp: virtio: device region found: %s addr: 0x%x size: %d", -+ dev, dev_region->base_addr, dev_region->io_region_size); -+ -+ return 0; -+} -+ -+int openamp_virtio_call_begin(struct openamp_caller *openamp, uint8_t **req_buf, -+ size_t req_len) -+{ -+ struct openamp_virtio *virtio = openamp->platform; -+ struct openamp_virtio_rpmsg *vrpmsg = &virtio->rpmsg; -+ struct rpmsg_endpoint *ep = &vrpmsg->ep; -+ -+ -+ *req_buf = rpmsg_get_tx_payload_buffer(ep, &vrpmsg->req_len, -+ OPENAMP_BUFFER_WAIT); -+ if (*req_buf == NULL) -+ return -EINVAL; -+ -+ if (vrpmsg->req_len < req_len) -+ return -E2BIG; -+ -+ vrpmsg->req_buf = *req_buf; -+ -+ return 0; -+} -+ -+int openamp_virtio_call_invoke(struct openamp_caller *openamp, int *opstatus, -+ uint8_t **resp_buf, size_t *resp_len) -+{ -+ const struct openamp_platform_ops *ops = openamp->platform_ops; -+ struct openamp_virtio *virtio = openamp->platform; -+ struct openamp_virtio_device *openamp_vdev = &virtio->vdev; -+ struct openamp_virtio_rpmsg *vrpmsg = &virtio->rpmsg; -+ struct rpmsg_endpoint *ep = &vrpmsg->ep; -+ int ret; -+ -+ ret = rpmsg_send_nocopy(ep, vrpmsg->req_buf, vrpmsg->req_len); -+ if (ret < 0) { -+ EMSG("openamp: virtio: send nocopy failed: %d", ret); -+ return -EIO; -+ } -+ -+ if (ret != vrpmsg->req_len) { -+ EMSG("openamp: virtio: send less bytes %d than requested %d", -+ ret, vrpmsg->req_len); -+ return -EIO; -+ } -+ -+ if (!ops->transport_receive) -+ return 0; -+ -+ ret = ops->transport_receive(openamp); -+ if (ret < 0) { -+ EMSG("openamp: virtio: failed transport_receive"); -+ return -EIO; -+ } -+ -+ virtqueue_notification(openamp_vdev->vq[VQ_RX]); -+ -+ *resp_buf = vrpmsg->resp_buf; -+ *resp_len = vrpmsg->resp_len; -+ -+ return 0; -+} -+ -+void openamp_virtio_call_end(struct openamp_caller *openamp) -+{ -+ struct openamp_virtio *virtio = openamp->platform; -+ struct openamp_virtio_rpmsg *vrpmsg = &virtio->rpmsg; -+ -+ rpmsg_release_rx_buffer(&vrpmsg->ep, vrpmsg->resp_buf); -+ -+ vrpmsg->req_buf = NULL; -+ vrpmsg->req_len = 0; -+ vrpmsg->resp_buf = NULL; -+ vrpmsg->resp_len = 0; -+} -+ -+void *openamp_virtio_virt_to_phys(struct openamp_caller *openamp, void *va) -+{ -+ struct openamp_virtio *virtio = openamp->platform; -+ struct openamp_virtio_metal *metal = &virtio->metal; -+ -+ return metal_io_virt_to_phys(metal->io, va); -+} -+ -+void *openamp_virtio_phys_to_virt(struct openamp_caller *openamp, void *pa) -+{ -+ struct openamp_virtio *virtio = openamp->platform; -+ struct openamp_virtio_metal *metal = &virtio->metal; -+ -+ return metal_io_phys_to_virt(metal->io, pa); -+} -+ -+int openamp_virtio_init(struct openamp_caller *openamp) -+{ -+ struct device_region virtio_dev; -+ struct openamp_virtio *virtio; -+ int ret; -+ -+ if (openamp->platform) -+ return 0; -+ -+ -+ virtio = malloc(sizeof(*virtio)); -+ if (!virtio) -+ return -ENOMEM; -+ -+ virtio->openamp = openamp; -+ -+ ret = openamp_virtio_device_get(OPENAMP_SHEM_DEVICE_NAME, &virtio_dev); -+ if (ret < 0) -+ goto free_virtio; -+ -+ openamp_virtio_shm_set(virtio, &virtio_dev); -+ -+ ret = openamp_virtio_metal_init(&virtio->metal); -+ if (ret < 0) -+ goto free_virtio; -+ -+ ret = openamp_virtio_device_setup(virtio); -+ if (ret < 0) -+ goto finish_metal; -+ -+ ret = openamp_virtio_rpmsg_device_setup(virtio, &virtio_dev); -+ if (ret < 0) { -+ EMSG("openamp: virtio: rpmsg device setup failed: %d", ret); -+ goto finish_metal; -+ } -+ -+ openamp->platform = virtio; -+ -+ return 0; -+ -+finish_metal: -+ metal_finish(); -+ -+free_virtio: -+ free(virtio); -+ -+ return ret; -+} -+ -+int openamp_virtio_deinit(struct openamp_caller *openamp) -+{ -+ struct openamp_virtio *virtio; -+ -+ if (!openamp->platform) -+ return 0; -+ -+ virtio = openamp->platform; -+ -+ metal_finish(); -+ free(virtio); -+ -+ openamp->platform = NULL; -+ -+ return 0; -+} -diff --git a/components/rpc/openamp/caller/sp/openamp_virtio.h b/components/rpc/openamp/caller/sp/openamp_virtio.h -new file mode 100644 -index 000000000000..915128ff65ce ---- /dev/null -+++ b/components/rpc/openamp/caller/sp/openamp_virtio.h -@@ -0,0 +1,24 @@ -+/* -+ * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved. -+ * Copyright (c) 2021, Linaro Limited. All rights reserved. -+ * -+ * SPDX-License-Identifier: BSD-3-Clause -+ */ -+#ifndef OPENAMP_VIRTIO_H -+#define OPENAMP_VIRTIO_H -+ -+#include <stddef.h> -+#include "openamp_caller.h" -+ -+int openamp_virtio_call_begin(struct openamp_caller *openamp, uint8_t **req_buf, -+ size_t req_len); -+int openamp_virtio_call_invoke(struct openamp_caller *openamp, int *opstatus, -+ uint8_t **resp_buf, size_t *resp_len); -+int openamp_virtio_call_end(struct openamp_caller *openamp); -+void *openamp_virtio_virt_to_phys(struct openamp_caller *openamp, void *va); -+void *openamp_virtio_phys_to_virt(struct openamp_caller *openamp, void *pa); -+ -+int openamp_virtio_init(struct openamp_caller *openamp); -+int openamp_virtio_deinit(struct openamp_caller *openamp); -+ -+#endif -diff --git a/deployments/se-proxy/opteesp/default_se-proxy.dts.in b/deployments/se-proxy/opteesp/default_se-proxy.dts.in -index 267b4f923540..04c181586b06 100644 ---- a/deployments/se-proxy/opteesp/default_se-proxy.dts.in -+++ b/deployments/se-proxy/opteesp/default_se-proxy.dts.in -@@ -32,5 +32,11 @@ - pages-count = <16>; - attributes = <0x3>; /* read-write */ - }; -+ openamp-virtio { -+ /* Armv8 A Foundation Platform values */ -+ base-address = <0x00000000 0x88000000>; -+ pages-count = <256>; -+ attributes = <0x3>; /* read-write */ -+ }; - }; - }; -diff --git a/deployments/se-proxy/se-proxy.cmake b/deployments/se-proxy/se-proxy.cmake -index d39873a0fe81..34fe5ff1b925 100644 ---- a/deployments/se-proxy/se-proxy.cmake -+++ b/deployments/se-proxy/se-proxy.cmake -@@ -47,6 +47,7 @@ add_components(TARGET "se-proxy" - "components/service/attestation/include" - "components/service/attestation/provider" - "components/service/attestation/provider/serializer/packed-c" -+ "components/rpc/openamp/caller/sp" - - # Stub service provider backends - "components/rpc/dummy" --- -2.38.1 - |