tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: cd9eb9b4365b71652b2c2ac58293bea47c9f9302 commit: 914854f2adb6988ac3b6521088ec96833d6743e2 [3541/3541] driver: crypto - update support for Mont-TSSE Driver config: x86_64-randconfig-r122-20251213 (https://download.01.org/0day-ci/archive/20251213/202512131336.tVlhD5u5-lkp@i...) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251213/202512131336.tVlhD5u5-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512131336.tVlhD5u5-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)

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drivers/crypto/montage/tsse/tsse_ipc_drv.c:22:41: sparse: sparse: cast removes address space '__iomem' of expression drivers/crypto/montage/tsse/tsse_ipc_drv.c:42:33: sparse: sparse: cast removes address space '__iomem' of expression drivers/crypto/montage/tsse/tsse_ipc_drv.c:42:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got unsigned char [usertype] * @@ drivers/crypto/montage/tsse/tsse_ipc_drv.c:42:46: sparse: expected void const volatile [noderef] __iomem * drivers/crypto/montage/tsse/tsse_ipc_drv.c:42:46: sparse: got unsigned char [usertype] * drivers/crypto/montage/tsse/tsse_ipc_drv.c:108:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/crypto/montage/tsse/tsse_ipc_drv.c:120:21: sparse: sparse: cast from restricted __le32 drivers/crypto/montage/tsse/tsse_ipc_drv.c:124:60: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *msg @@ got void [noderef] __iomem *d2h_msg @@ drivers/crypto/montage/tsse/tsse_ipc_drv.c:124:60: sparse: expected void *msg drivers/crypto/montage/tsse/tsse_ipc_drv.c:124:60: sparse: got void [noderef] __iomem *d2h_msg drivers/crypto/montage/tsse/tsse_ipc_drv.c:136:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem * @@ got unsigned char [usertype] *addr @@ drivers/crypto/montage/tsse/tsse_ipc_drv.c:136:21: sparse: expected void volatile [noderef] __iomem * drivers/crypto/montage/tsse/tsse_ipc_drv.c:136:21: sparse: got unsigned char [usertype] *addr

vim +/__iomem +22 drivers/crypto/montage/tsse/tsse_ipc_drv.c 19 20 static int ipc_d2h_new_msg_process(struct tsse_ipc *tsseipc, void __iomem *d2h_msg) 21 {

22 struct tsse_ipc_msg *ipc_msg = (struct tsse_ipc_msg *)d2h_msg; 23 void *payload; 24 u32 msg_len; 25 u32 header_len; 26 u32 payload_len; 27 int ret; 28 u64 epid; 29 30 msg_len = ipc_msg->msg_len; 31 header_len = sizeof(struct tsse_ipc_msg); 32 payload_len = msg_len - header_len; 33 epid = ipc_msg->epid; 34 35 if (msg_len < header_len || msg_len > IPC_MAX_DATA_LEN) { 36 pr_err("%s %d: invalid msg len: %u in resp\n", __func__, __LINE__, msg_len); 37 return -EINVAL; 38 } 39 payload = kzalloc(payload_len, GFP_ATOMIC); 40 if (!payload) 41 return -ENOMEM; 42 memcpy_fromio(payload, (u8 *)d2h_msg + header_len, payload_len); 43 if (ipc_msg->type == TSSE_IPC_TYPE_RING_SETUP_RSP) 44 ret = ipc_ring_setup_resp_receive(payload, payload_len); 45 else 46 ret = tsse_service_msg_receive(epid, payload, payload_len); 47 kfree(payload); 48 return ret; 49 } 50 51 static struct tsse_ipc_msg *ipc_h2d_msg_header_create(u64 epid, u32 payload_length) 52 { 53 struct tsse_ipc_msg *header = (struct tsse_ipc_msg *)( 54 kzalloc(sizeof(struct tsse_ipc_msg), GFP_ATOMIC)); 55 if (header) { 56 if (GET_SERVICE_ID(epid) == EPID_MANAGE_SERVICE_ID) { 57 if (GET_APP_SPECIFIC_ID(epid) == TSSE_IPC_SPECIFIC_RING_SETUP_REQ) 58 header->type = TSSE_IPC_TYPE_RING_SETUP_REQ; 59 else if (GET_APP_SPECIFIC_ID(epid) == TSSE_IPC_SPECIFIC_RING_SETUP_RSP) 60 header->type = TSSE_IPC_TYPE_RING_SETUP_RSP; 61 else 62 header->type = TSSE_IPC_TYPE_SERVICE; 63 } else { 64 header->type = TSSE_IPC_TYPE_SERVICE; 65 } 66 header->msg_len = sizeof(struct tsse_ipc_msg) + payload_length; 67 header->rev = 0; 68 header->epid = epid; 69 } 70 return header; 71 } 72 73 int ipc_h2d_msg_send(int device_handle, u64 epid, void *msg_payload, u32 length) 74 { 75 struct tsse_dev *tdev; 76 struct tsse_ipc *tsseipc; 77 struct tsse_ipc_msg *header; 78 u8 *h2d; 79 u32 int_reg; 80 u32 header_size; 81 82 tdev = tsse_get_dev_by_handle(device_handle); 83 if (!tdev) 84 return -ENODEV; 85 86 if (!msg_payload || !length) { 87 pr_err("%s %d: invalid msg payload\n", __func__, __LINE__); 88 return -EINVAL; 89 } 90 header_size = sizeof(struct tsse_ipc_msg); 91 if (length + header_size > IPC_MAX_DATA_LEN) { 92 pr_err("%s %d length too large: %u\n", __func__, __LINE__, length); 93 return -EINVAL; 94 } 95 tsseipc = tdev->ipc; 96 mutex_lock(&tsseipc->list_lock); 97 int_reg = readl(tsseipc->virt_addr + HOST2MAIN_INTR_SET_OFFSET); 98 if ((int_reg & IPC_REGISTER_INT_SET) != 0) { 99 mutex_unlock(&tsseipc->list_lock); 100 return -EAGAIN; 101 } 102 header = ipc_h2d_msg_header_create(epid, length); 103 if (!header) { 104 mutex_unlock(&tsseipc->list_lock); 105 pr_err("%s(): msg header kzalloc failed\n", __func__); 106 return -ENOMEM; 107 } 108 h2d = (u8 *)(tsseipc->virt_addr + HOST2MAIN_IPC_OFFSET); 109 ipc_memcpy_to_io(h2d, (u8 *)header, header_size); 110 ipc_memcpy_to_io(h2d + header_size, msg_payload, length); 111 112 writel(0x1, tsseipc->virt_addr + HOST2MAIN_INTR_SET_OFFSET); 113 mutex_unlock(&tsseipc->list_lock); 114 kfree(header); 115 return 0; 116 } 117 118 int ipc_d2h_msg_dispatch(struct tsse_ipc *tsseipc, void __iomem *d2h_msg) 119 { 120 u16 type = (u16) cpu_to_le32(readl(d2h_msg)); 121 122 switch (type) { 123 case TSSE_IPC_TYPE_LEGACY: 124 return ipc_d2h_legacy_msg_process(tsseipc, d2h_msg); 125 case TSSE_IPC_TYPE_SERVICE: 126 case TSSE_IPC_TYPE_RING_SETUP_RSP: 127 return ipc_d2h_new_msg_process(tsseipc, d2h_msg); 128 default: 129 pr_err("%s %d: invalid msg type: %u\n", __func__, __LINE__, type); 130 return -EINVAL; 131 } 132 } 133 134 void ipc_memcpy_to_io(u8 *addr, u8 *src, u32 len) 135 { 136 memcpy_toio(addr, src, len);

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