diff options
Diffstat (limited to 'demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-SEC/proxies/tsioblksstub.c')
| -rw-r--r-- | demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-SEC/proxies/tsioblksstub.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-SEC/proxies/tsioblksstub.c b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-SEC/proxies/tsioblksstub.c new file mode 100644 index 000000000..d7ec50c11 --- /dev/null +++ b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-SEC/proxies/tsioblksstub.c @@ -0,0 +1,174 @@ +/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file tsioblksstub.c
+ * @brief IOBlks stub for trusted services implementing the
+ * Reliance Edge api.
+ *
+ */
+
+#include "ch.h"
+#include "chobjfifos.h"
+#include "chtssi.h"
+#include "tsproxystubs.h"
+#include "tsioblksstub.h"
+#include <redfs.h>
+#include <redvolume.h>
+#include <string.h>
+#include <ctype.h>
+
+/*===========================================================================*/
+/* Module local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local variables. */
+/*===========================================================================*/
+static stub_ctx_t stub_ctx;
+const VOLCONF gaRedVolConf[REDCONF_VOLUME_COUNT] = {
+ {
+ 512, /* ulSectorSize.*/
+ IOBLKS_PART_SIZE, /* ullSectorCount.*/
+ 0U, /* ullSectorOffset.*/
+ false, /* fAtomicSectorWrite.*/
+ 1024U, /* ulInodeCount.*/
+ 2U, /* bBlockIoRetries.*/
+ ""
+ }
+};
+
+/*===========================================================================*/
+/* Module local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief The IOBlks stub service.
+ */
+THD_WORKING_AREA(waTsIOBlksStubsService, 1024);
+THD_FUNCTION(TsIOBlksStubsService, tsstatep) {
+ stub_ctx.event_flag = EVT_F_IOBLK_NEW_OP;
+ TsStubService((ts_state_t *)tsstatep, &stub_ctx);
+}
+
+/**
+ * @name The IOBlks api, in the Reliance Edge fashion.
+ * @{
+ */
+
+/**
+ * @brief Open the block device.
+ */
+REDSTATUS RedOsBDevOpen(uint8_t bVolNum, BDEVOPENMODE mode) {
+ (void)mode;
+
+ if (bVolNum != 0)
+ return -RED_EINVAL;
+ stub_op_t *op = getNewOp(&stub_ctx);
+ op->op_code = IOBLKS_OP_OPEN;
+ op->op_p[0].dir = OP_PRMDIR_NONE;
+ op->op_p[0].val = (uint32_t)bVolNum;
+ op->op_p[1].dir = OP_PRMDIR_NONE;
+ op->op_p[1].val = (uint32_t)mode;
+ return (REDSTATUS)callRemote(op);
+}
+
+/**
+ * @brief Close the block device.
+ */
+REDSTATUS RedOsBDevClose(uint8_t bVolNum) {
+ if (bVolNum != 0)
+ return -RED_EINVAL;
+ stub_op_t *op = getNewOp(&stub_ctx);
+ op->op_code = IOBLKS_OP_CLOSE;
+ op->op_p[0].dir = OP_PRMDIR_NONE;
+ op->op_p[0].val = (uint32_t)bVolNum;
+ return (REDSTATUS)callRemote(op);
+}
+
+/**
+ * @brief Read from the block device.
+ */
+REDSTATUS RedOsBDevRead(uint8_t bVolNum, uint64_t ullSectorStart, uint32_t ulSectorCount, void *pBuffer) {
+ if ((bVolNum != 0) ||
+ (ullSectorStart >= gaRedVolConf[bVolNum].ullSectorCount) ||
+ ((gaRedVolConf[bVolNum].ullSectorCount - ullSectorStart) < ulSectorCount) ||
+ (pBuffer == NULL))
+ return -RED_EINVAL;
+ stub_op_t *op = getNewOp(&stub_ctx);
+ op->op_code = IOBLKS_OP_READ;
+ op->op_p[0].dir = OP_PRMDIR_NONE;
+ op->op_p[0].val = (uint32_t)bVolNum;
+ op->op_p[1].dir = OP_PRMDIR_NONE;
+ op->op_p[1].val = (uint32_t)ullSectorStart;
+ op->op_p[2].dir = OP_PRMDIR_NONE;
+ op->op_p[2].val = (uint32_t)ulSectorCount;
+ op->op_p[3].dir = OP_PRMDIR_OUT;
+ op->op_p[3].val = (uint32_t)pBuffer;
+ op->op_p[3].size = (uint32_t)(ulSectorCount * IOBLKS_SECT_SIZE);
+ return (int)callRemote(op);
+}
+
+/**
+ * @brief Write to the block device.
+ */
+REDSTATUS RedOsBDevWrite(uint8_t bVolNum, uint64_t ullSectorStart, uint32_t ulSectorCount, const void *pBuffer) {
+ if ((bVolNum != 0) ||
+ (ullSectorStart >= gaRedVolConf[bVolNum].ullSectorCount) ||
+ ((gaRedVolConf[bVolNum].ullSectorCount - ullSectorStart) < ulSectorCount) ||
+ (pBuffer == NULL))
+ return -RED_EINVAL;
+ stub_op_t *op = getNewOp(&stub_ctx);
+ op->op_code = IOBLKS_OP_WRITE;
+ op->op_p[0].dir = OP_PRMDIR_NONE;
+ op->op_p[0].val = (uint32_t)bVolNum;
+ op->op_p[1].dir = OP_PRMDIR_NONE;
+ op->op_p[1].val = (uint32_t)ullSectorStart;
+ op->op_p[2].dir = OP_PRMDIR_NONE;
+ op->op_p[2].val = (uint32_t)ulSectorCount;
+ op->op_p[3].dir = OP_PRMDIR_IN;
+ op->op_p[3].val = (uint32_t)pBuffer;
+ op->op_p[3].size = (uint32_t)(ulSectorCount * IOBLKS_SECT_SIZE);
+ return (int)callRemote(op);
+}
+
+/**
+ * @brief Flush the block device.
+ */
+REDSTATUS RedOsBDevFlush(uint8_t bVolNum) {
+ if (bVolNum != 0)
+ return -RED_EINVAL;
+ stub_op_t *op = getNewOp(&stub_ctx);
+ op->op_code = IOBLKS_OP_FLUSH;
+ op->op_p[0].dir = OP_PRMDIR_NONE;
+ op->op_p[0].val = (uint32_t)bVolNum;
+ return (REDSTATUS)callRemote(op);
+}
+
+/** @} */
+
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