diff options
author | 2019-05-08 13:27:59 +0700 | |
---|---|---|
committer | 2019-07-15 10:05:25 +0700 | |
commit | 10a80f4f034923bc8e405e67f770189ea3317178 (patch) | |
tree | 2d0f448812063fbd38e490143ecada601c4766c3 /meta-rcar-gen3/recipes-bsp/optee/optee-client/0001-tee-supplicant-use-MMC_IOC_MULTI_CMD-for-RPMB-access.patch | |
parent | 8f18cf4dd8ea53d74586a88d4cb9005297aa7d78 (diff) |
rcar-gen3: optee-client: Apply patch to use MMC_IOC_MULTI_CMD for RPMB access
This patch changes RPMB ioctl from MMC_IOC_CMD into MMC_IOC_MULTI_CMD
and changes ioctl parameters according to mmc utils to fix the failure
when using MMC_IOC_CMD as RPMB ioctl.
Change-Id: I2ec8dd2d5eaf08a357bbe45477f2378e108ec7f7
Signed-off-by: Duy Dang <duy.dang.yw@renesas.com>
Signed-off-by: Takamitsu Honda <takamitsu.honda.pv@renesas.com>
Diffstat (limited to 'meta-rcar-gen3/recipes-bsp/optee/optee-client/0001-tee-supplicant-use-MMC_IOC_MULTI_CMD-for-RPMB-access.patch')
-rw-r--r-- | meta-rcar-gen3/recipes-bsp/optee/optee-client/0001-tee-supplicant-use-MMC_IOC_MULTI_CMD-for-RPMB-access.patch | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/meta-rcar-gen3/recipes-bsp/optee/optee-client/0001-tee-supplicant-use-MMC_IOC_MULTI_CMD-for-RPMB-access.patch b/meta-rcar-gen3/recipes-bsp/optee/optee-client/0001-tee-supplicant-use-MMC_IOC_MULTI_CMD-for-RPMB-access.patch new file mode 100644 index 0000000..fddc7fc --- /dev/null +++ b/meta-rcar-gen3/recipes-bsp/optee/optee-client/0001-tee-supplicant-use-MMC_IOC_MULTI_CMD-for-RPMB-access.patch @@ -0,0 +1,208 @@ +From 04a72e88f768722edff453694e70535d36a8b1b4 Mon Sep 17 00:00:00 2001 +From: Hiroki Negishi <hiroki.negishi.bx@renesas.com> +Date: Mon, 1 Apr 2019 13:10:57 +0900 +Subject: [PATCH] tee-supplicant: use MMC_IOC_MULTI_CMD for RPMB access + +To access RPMB, host should switch to RPMB partition. +And in RPMB partition, host should finish RPMB sequence. + +In case of using MMC_IOC_CMD as RPMB ioctl, eMMC driver switches +partition to user data area between WRITE command and READ command. +This may cause General failure. +In case of MMC_IOC_MULTI_CMD, eMMC driver keeps RPMB partition. + +This patch changes RPMB ioctl from MMC_IOC_CMD into MMC_IOC_MULTI_CMD +and changes ioctl parameters according to mmc utils. + +Signed-off-by: Hiroki Negishi <hiroki.negishi.bx@renesas.com> +--- + tee-supplicant/src/rpmb.c | 120 +++++++++++++++++++++++----------------------- + 1 file changed, 61 insertions(+), 59 deletions(-) + +diff --git a/tee-supplicant/src/rpmb.c b/tee-supplicant/src/rpmb.c +index cac9932..29da690 100644 +--- a/tee-supplicant/src/rpmb.c ++++ b/tee-supplicant/src/rpmb.c +@@ -114,6 +114,7 @@ static pthread_mutex_t rpmb_mutex = PTHREAD_MUTEX_INITIALIZER; + */ + + #define MMC_BLOCK_MAJOR 179 ++#define RPMB_MULTI_CMD_MAX_CMDS 3 + + /* mmc_ioc_cmd.opcode */ + #define MMC_SEND_EXT_CSD 8 +@@ -130,6 +131,9 @@ static pthread_mutex_t rpmb_mutex = PTHREAD_MUTEX_INITIALIZER; + + #define MMC_CMD_ADTC (1 << 5) /* Addressed data transfer command */ + ++#define MMC_RSP_SPI_S1 (1 << 7) /* one status byte */ ++#define MMC_RSP_SPI_R1 (MMC_RSP_SPI_S1) ++ + /* mmc_ioc_cmd.write_flag */ + #define MMC_CMD23_ARG_REL_WR (1 << 31) /* CMD23 reliable write */ + +@@ -610,26 +614,38 @@ static uint32_t read_ext_csd(int fd, uint8_t *ext_csd) + return TEEC_SUCCESS; + } + ++static inline void set_single_cmd(struct mmc_ioc_cmd *ioc, __u32 opcode, ++ int write_flag, unsigned int blocks) ++{ ++ ioc->opcode = opcode; ++ ioc->write_flag = write_flag; ++ ioc->arg = 0x0; ++ ioc->blksz = 512; ++ ioc->blocks = blocks; ++ ioc->flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_ADTC; ++} ++ + static uint32_t rpmb_data_req(int fd, struct rpmb_data_frame *req_frm, + size_t req_nfrm, struct rpmb_data_frame *rsp_frm, + size_t rsp_nfrm) + { +- int st; ++ int err; + size_t i; + uint16_t msg_type = ntohs(req_frm->msg_type); +- struct mmc_ioc_cmd cmd; ++ struct mmc_ioc_cmd *ioc; ++ struct mmc_ioc_multi_cmd *mioc; ++ struct rpmb_data_frame frame_status = {0}; + +- memset(&cmd, 0, sizeof(cmd)); +- cmd.blksz = 512; +- cmd.blocks = req_nfrm; +- cmd.data_ptr = (uintptr_t)req_frm; +- cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC; +- cmd.opcode = MMC_WRITE_MULTIPLE_BLOCK; +- cmd.write_flag = 1; ++ mioc = (struct mmc_ioc_multi_cmd *) ++ malloc(sizeof(struct mmc_ioc_multi_cmd) + ++ RPMB_MULTI_CMD_MAX_CMDS * sizeof(struct mmc_ioc_cmd)); ++ if (!mioc) ++ return -ENOMEM; + + for (i = 1; i < req_nfrm; i++) { + if (req_frm[i].msg_type != msg_type) { + EMSG("All request frames shall be of the same type"); ++ free(mioc); + return TEEC_ERROR_BAD_PARAMETERS; + } + } +@@ -642,77 +658,63 @@ static uint32_t rpmb_data_req(int fd, struct rpmb_data_frame *req_frm, + case RPMB_MSG_TYPE_REQ_AUTH_DATA_WRITE: + if (rsp_nfrm != 1) { + EMSG("Expected only one response frame"); ++ free(mioc); + return TEEC_ERROR_BAD_PARAMETERS; + } + +- /* Send write request frame(s) */ +- cmd.write_flag |= MMC_CMD23_ARG_REL_WR; +- /* +- * Black magic: tested on a HiKey board with a HardKernel eMMC +- * module. When postsleep values are zero, the kernel logs +- * random errors: "mmc_blk_ioctl_cmd: Card Status=0x00000E00" +- * and ioctl() fails. +- */ +- cmd.postsleep_min_us = 20000; +- cmd.postsleep_max_us = 50000; +- st = IOCTL(fd, MMC_IOC_CMD, &cmd); +- if (st < 0) +- return TEEC_ERROR_GENERIC; +- cmd.postsleep_min_us = 0; +- cmd.postsleep_max_us = 0; +- +- /* Send result request frame */ +- memset(rsp_frm, 0, 1); +- rsp_frm->msg_type = htons(RPMB_MSG_TYPE_REQ_RESULT_READ); +- cmd.data_ptr = (uintptr_t)rsp_frm; +- cmd.write_flag &= ~MMC_CMD23_ARG_REL_WR; +- st = IOCTL(fd, MMC_IOC_CMD, &cmd); +- if (st < 0) +- return TEEC_ERROR_GENERIC; +- +- /* Read response frame */ +- cmd.opcode = MMC_READ_MULTIPLE_BLOCK; +- cmd.write_flag = 0; +- cmd.blocks = rsp_nfrm; +- st = IOCTL(fd, MMC_IOC_CMD, &cmd); +- if (st < 0) +- return TEEC_ERROR_GENERIC; ++ mioc->num_of_cmds = 3; ++ ++ /* Write request */ ++ ioc = &mioc->cmds[0]; ++ set_single_cmd(ioc, MMC_WRITE_MULTIPLE_BLOCK, (1 << 31) | 1, 1); ++ mmc_ioc_cmd_set_data((*ioc), req_frm); ++ ++ /* Result request */ ++ ioc = &mioc->cmds[1]; ++ frame_status.msg_type = htobe16(RPMB_MSG_TYPE_REQ_RESULT_READ); ++ set_single_cmd(ioc, MMC_WRITE_MULTIPLE_BLOCK, 1, 1); ++ mmc_ioc_cmd_set_data((*ioc), &frame_status); ++ ++ /* Get response */ ++ ioc = &mioc->cmds[2]; ++ set_single_cmd(ioc, MMC_READ_MULTIPLE_BLOCK, 0, 1); ++ mmc_ioc_cmd_set_data((*ioc), rsp_frm); ++ + break; + + case RPMB_MSG_TYPE_REQ_WRITE_COUNTER_VAL_READ: + if (rsp_nfrm != 1) { + EMSG("Expected only one response frame"); ++ free(mioc); + return TEEC_ERROR_BAD_PARAMETERS; + } + + /* Fall through */ + case RPMB_MSG_TYPE_REQ_AUTH_DATA_READ: +- if (req_nfrm != 1) { +- EMSG("Expected only one request frame"); +- return TEEC_ERROR_BAD_PARAMETERS; +- } ++ mioc->num_of_cmds = 2; ++ ++ /* Read request */ ++ ioc = &mioc->cmds[0]; ++ set_single_cmd(ioc, MMC_WRITE_MULTIPLE_BLOCK, 1, 1); ++ mmc_ioc_cmd_set_data((*ioc), req_frm); ++ ++ /* Get response */ ++ ioc = &mioc->cmds[1]; ++ set_single_cmd(ioc, MMC_READ_MULTIPLE_BLOCK, 0, rsp_nfrm); ++ mmc_ioc_cmd_set_data((*ioc), rsp_frm); + +- /* Send request frame */ +- st = IOCTL(fd, MMC_IOC_CMD, &cmd); +- if (st < 0) +- return TEEC_ERROR_GENERIC; +- +- /* Read response frames */ +- cmd.data_ptr = (uintptr_t)rsp_frm; +- cmd.opcode = MMC_READ_MULTIPLE_BLOCK; +- cmd.write_flag = 0; +- cmd.blocks = rsp_nfrm; +- st = IOCTL(fd, MMC_IOC_CMD, &cmd); +- if (st < 0) +- return TEEC_ERROR_GENERIC; + break; + + default: + EMSG("Unsupported message type: %d", msg_type); ++ free(mioc); + return TEEC_ERROR_GENERIC; + } + +- return TEEC_SUCCESS; ++ err = ioctl(fd, MMC_IOC_MULTI_CMD, mioc); ++ ++ free(mioc); ++ return err; + } + + static uint32_t rpmb_get_dev_info(uint16_t dev_id, struct rpmb_dev_info *info) +-- +2.7.4 + |