tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: cae4eb6e367d11798ca1765e36ccaa97fa789a00 commit: 3fb87845837f13b19d7b20349801e75f2e303293 [2390/2390] crypto: loongson: add wst se chip support config: loongarch-randconfig-r131-20250614 (https://download.01.org/0day-ci/archive/20250614/202506140640.zLTmWYoC-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 12.4.0 reproduce: (https://download.01.org/0day-ci/archive/20250614/202506140640.zLTmWYoC-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/202506140640.zLTmWYoC-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/crypto/sedriver/wst_se_echip_driver.c: note: in included file: drivers/crypto/sedriver/wst_se_echip_driver.h:109:1: sparse: sparse: symbol 'g_writelock' was not declared. Should it be static?
drivers/crypto/sedriver/wst_se_echip_driver.c:18:1: sparse: sparse: symbol 'g_reclistlock' was not declared. Should it be static? drivers/crypto/sedriver/wst_se_echip_driver.c:19:1: sparse: sparse: symbol 'g_sendlistlock' was not declared. Should it be static? drivers/crypto/sedriver/wst_se_echip_driver.c:20:1: sparse: sparse: symbol 'g_getdmabuflock' was not declared. Should it be static? drivers/crypto/sedriver/wst_se_echip_driver.c:22:15: sparse: sparse: symbol 'g_pCacheInBuf' was not declared. Should it be static? drivers/crypto/sedriver/wst_se_echip_driver.c:22:38: sparse: sparse: symbol 'g_pCacheOutBuf' was not declared. Should it be static? drivers/crypto/sedriver/wst_se_echip_driver.c:924:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:924:9: sparse: expected void const volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:924:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:934:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:934:25: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:934:25: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:935:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:935:25: sparse: expected void const volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:935:25: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:940:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:940:25: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:940:25: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:941:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:941:25: sparse: expected void const volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:941:25: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:988:79: sparse: sparse: Using plain integer as NULL pointer drivers/crypto/sedriver/wst_se_echip_driver.c:1005:79: sparse: sparse: Using plain integer as NULL pointer drivers/crypto/sedriver/wst_se_echip_driver.c:1018:78: sparse: sparse: Using plain integer as NULL pointer drivers/crypto/sedriver/wst_se_echip_driver.c:620:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:620:9: sparse: expected void const volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:620:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:622:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:622:17: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:622:17: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:544:66: sparse: sparse: Using plain integer as NULL pointer drivers/crypto/sedriver/wst_se_echip_driver.c:549:65: sparse: sparse: Using plain integer as NULL pointer drivers/crypto/sedriver/wst_se_echip_driver.c:559:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:559:17: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:559:17: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:561:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:561:17: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:561:17: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:95:24: sparse: sparse: symbol 'se_get_dma_buf' was not declared. Should it be static? drivers/crypto/sedriver/wst_se_echip_driver.c:114:5: sparse: sparse: symbol 'se_free_dma_buf' was not declared. Should it be static? drivers/crypto/sedriver/wst_se_echip_driver.c:150:5: sparse: sparse: symbol 'se_printk_hex' was not declared. Should it be static? drivers/crypto/sedriver/wst_se_echip_driver.c:197:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:197:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:197:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:198:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:198:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:198:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:199:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:199:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:199:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:200:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:200:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:200:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:201:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:201:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:201:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:204:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:204:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:204:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:205:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:205:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:205:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:206:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:206:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:206:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:207:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:207:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:207:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:208:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:208:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:208:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:209:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:209:9: sparse: expected void const volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:209:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:210:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:210:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:210:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:214:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:214:17: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:214:17: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:216:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:216:17: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:216:17: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:243:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:243:9: sparse: expected void const volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:243:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:244:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:244:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:244:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:246:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:246:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:246:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:249:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:249:26: sparse: expected void const volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:249:26: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:251:53: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:251:53: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:251:53: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:252:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:252:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:252:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:654:46: sparse: sparse: Using plain integer as NULL pointer drivers/crypto/sedriver/wst_se_echip_driver.c:656:46: sparse: sparse: Using plain integer as NULL pointer drivers/crypto/sedriver/wst_se_echip_driver.c:687:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:687:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:687:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:688:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:688:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:688:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:689:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:689:9: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:689:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:704:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:704:25: sparse: expected void const volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:704:25: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:707:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:707:33: sparse: expected void volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:707:33: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:862:59: sparse: sparse: Using plain integer as NULL pointer drivers/crypto/sedriver/wst_se_echip_driver.c:862:62: sparse: sparse: Using plain integer as NULL pointer drivers/crypto/sedriver/wst_se_echip_driver.c:1160:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:1160:9: sparse: expected void const volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:1160:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:1162:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/crypto/sedriver/wst_se_echip_driver.c:1162:9: sparse: expected void const volatile [noderef] __iomem *addr drivers/crypto/sedriver/wst_se_echip_driver.c:1162:9: sparse: got void * drivers/crypto/sedriver/wst_se_echip_driver.c:1169:58: sparse: sparse: incorrect type in initializer (incompatible argument 2 (different address spaces)) @@ expected long ( *write )( ... ) @@ got long ( * )( ... ) @@ drivers/crypto/sedriver/wst_se_echip_driver.c:1169:58: sparse: expected long ( *write )( ... ) drivers/crypto/sedriver/wst_se_echip_driver.c:1169:58: sparse: got long ( * )( ... ) drivers/crypto/sedriver/wst_se_echip_driver.c:1175:5: sparse: sparse: symbol 'se_chip_load' was not declared. Should it be static? drivers/crypto/sedriver/wst_se_echip_driver.c:1272:6: sparse: sparse: symbol 'se_chip_unload' was not declared. Should it be static? drivers/crypto/sedriver/wst_se_echip_driver.c: note: in included file (through drivers/crypto/sedriver/wst_se_ktrans.h, drivers/crypto/sedriver/wst_se_echip_driver.h): drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got unsigned char *puserbuf @@ drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: expected void const [noderef] __user *from drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: got unsigned char *puserbuf drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got unsigned char *puserbuf @@ drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: expected void [noderef] __user *to drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: got unsigned char *puserbuf drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got unsigned char *puserbuf @@ drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: expected void const [noderef] __user *from drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: got unsigned char *puserbuf drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got unsigned char *puserbuf @@ drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: expected void [noderef] __user *to drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: got unsigned char *puserbuf drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got unsigned char *puserbuf @@ drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: expected void const [noderef] __user *from drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: got unsigned char *puserbuf drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got unsigned char *puserbuf @@ drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: expected void [noderef] __user *to drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: got unsigned char *puserbuf drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got unsigned char *puserbuf @@ drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: expected void const [noderef] __user *from drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: got unsigned char *puserbuf drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got unsigned char *puserbuf @@ drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: expected void [noderef] __user *to drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: got unsigned char *puserbuf drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got unsigned char *puserbuf @@ drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: expected void const [noderef] __user *from drivers/crypto/sedriver/wst_se_common_type.h:93:46: sparse: got unsigned char *puserbuf drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got unsigned char *puserbuf @@ drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: expected void [noderef] __user *to drivers/crypto/sedriver/wst_se_common_type.h:95:37: sparse: got unsigned char *puserbuf
vim +/g_reclistlock +18 drivers/crypto/sedriver/wst_se_echip_driver.c 14 15 #define LS_CRYPTO_SE_ADDR1 TO_UNCACHE(LOONGSON_REG_BASE + 0x0400) 16 #define LS_CRYPTO_SE_ADDR2 TO_UNCACHE(0xc0010200000) 17 #define DRIVER_VERSION "01.10.220111"
18 DEFINE_SPINLOCK(g_reclistlock); 19 DEFINE_SPINLOCK(g_sendlistlock); 20 DEFINE_SPINLOCK(g_getdmabuflock); 21 22 unsigned char *g_pCacheInBuf = NULL, *g_pCacheOutBuf = NULL; 23 static struct class *g_psecclass; 24 static struct device *g_psecdev; 25 static struct tagSEdrvctl *g_psechipDrvCtrl; 26 static int g_isechip_Major = -1; 27 static struct semaphore g_lowsema, g_lowirqsema; 28 static atomic_t g_sendtotallen; 29 static struct tag_Queue_container g_RecQueueContainer; 30 static struct tag_Queue_container g_SendQueueContainer; 31 static int g_suspend; 32 static struct semaphore g_dmabufsem; 33 struct loongson_sedriver_irq se_irq[] = { 34 { 35 .pat = "se-irq", 36 }, 37 { 38 .pat = "se-lirq", 39 }, 40 }; 41 static struct tag_Queue_container g_DmaBQueueContainer; 42 static struct tag_dma_buf_ctl *g_pdmadatabuf; 43 static int g_iDmaBufNum; 44 static struct work_struct g_recwork, g_sendwork; 45 static struct workqueue_struct *g_worksendqueue, *g_workrecqueue; 46 static irqreturn_t se_interrupt(int irq, void *p); 47 static irqreturn_t wst_low_channel_status(int irq, void *p); 48 static void globalmem_do_send_op(struct work_struct *p); 49 static void globalmem_do_rec_op(struct work_struct *p); 50 static int g_iUseIntr = 1; 51 module_param(g_iUseIntr, int, 0644); 52 53 static int se_init_dma_buf(int idatasize, int idatanum) 54 { 55 int i; 56 struct tag_dma_buf_ctl *pdmactl; 57 58 wst_InitQueue(&g_DmaBQueueContainer, idatanum); 59 g_pdmadatabuf = kmalloc((sizeof(struct tag_dma_buf_ctl) * idatanum), 60 GFP_KERNEL); 61 if (!g_pdmadatabuf) 62 return -1; 63 for (i = 0; i < idatanum; i++) { 64 pdmactl = &g_pdmadatabuf[i]; 65 pdmactl->pDmaBuf = 66 (unsigned char *)__get_free_page(GFP_KERNEL | GFP_DMA); 67 if (!pdmactl->pDmaBuf) { 68 g_iDmaBufNum = i; 69 return SE_OK; 70 } 71 wst_Pushback_Que(&g_DmaBQueueContainer, pdmactl); 72 } 73 g_iDmaBufNum = i; 74 sema_init(&g_dmabufsem, 1); 75 return SE_OK; 76 } 77 78 static int se_del_dma_buf(void) 79 { 80 int i; 81 struct tag_dma_buf_ctl *pdmactl; 82 83 for (i = 0; i < g_iDmaBufNum; i++) { 84 pdmactl = &g_pdmadatabuf[i]; 85 if (pdmactl) { 86 free_page((unsigned long)pdmactl->pDmaBuf); 87 pdmactl->pDmaBuf = NULL; 88 } 89 } 90 kfree(g_pdmadatabuf); 91 g_pdmadatabuf = NULL; 92 return 0; 93 } 94 95 struct tag_dma_buf_ctl *se_get_dma_buf(int ikernel) 96 { 97 struct tag_dma_buf_ctl *pbufctl = NULL; 98 unsigned long ultimeout = 0; 99 100 ultimeout = jiffies + 20 * HZ; 101 while (1) { 102 spin_lock(&g_getdmabuflock); 103 pbufctl = (struct tag_dma_buf_ctl *)wst_Popfront_Que( 104 &g_DmaBQueueContainer); 105 spin_unlock(&g_getdmabuflock); 106 if (pbufctl) 107 return pbufctl; 108 if (down_timeout(&g_dmabufsem, ultimeout)) 109 return NULL; 110 } 111 return pbufctl; 112 } 113 114 int se_free_dma_buf(struct tag_dma_buf_ctl *pdmabufctl) 115 { 116 spin_lock(&g_getdmabuflock); 117 wst_Pushback_Que(&g_DmaBQueueContainer, pdmabufctl); 118 spin_unlock(&g_getdmabuflock); 119 if (g_dmabufsem.count <= 0) 120 up(&g_dmabufsem); 121 122 return 0; 123 } 124 125 static unsigned long bytes_align(struct device *pdev, unsigned long ulVirAddr) 126 { 127 unsigned char diff; 128 unsigned long ulPhyAddr = (unsigned long)__pa((void *)ulVirAddr); 129 130 if ((ulPhyAddr & 0x000000000000003f) == 0) 131 return ulVirAddr; 132 diff = ((long)ulPhyAddr & (~(0x000000000000003f))) + 64 - ulPhyAddr; 133 ulVirAddr += diff; 134 135 return ulVirAddr; 136 } 137 138 static unsigned long descri_bytes_align(unsigned long ulVirAddr) 139 { 140 unsigned char diff; 141 unsigned long ulPhyAddr = ulVirAddr; 142 143 if ((ulPhyAddr & (~0x00000000ffffffe0)) == 0) 144 return ulVirAddr; 145 diff = ((long)ulPhyAddr & 0x00000000ffffffe0) + 32 - ulPhyAddr; 146 ulVirAddr += diff; 147 return ulVirAddr; 148 } 149 150 int se_printk_hex(unsigned char *buff, int length) 151 { 152 unsigned char *string_tmp = buff; 153 int i; 154 int count = 0; 155 156 for (i = 0; i < length; i++, count++) { 157 if (count < 16) 158 pr_info("%02x ", string_tmp[i]); 159 else { 160 count = 0; 161 pr_info("\n%02x ", string_tmp[i]); 162 continue; 163 } 164 } 165 pr_info("\n"); 166 return 0; 167 } 168
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki