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[openeuler:OLK-6.6 2228/2228] include/linux/psp-hygon.h:219:5: warning: no previous prototype for 'psp_register_cmd_notifier'
by kernel test robot 14 May '25

14 May '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a8743142c88fdbade6ffcd3cf426037633e9e1fc commit: 518c81d56c055affc71650b1ad1ba7f86e5ee867 [2228/2228] arch/x86/kvm: Support tkm virtualization config: x86_64-buildonly-randconfig-002-20250514 (https://download.01.org/0day-ci/archive/20250514/202505141619.2NcI2pvO-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250514/202505141619.2NcI2pvO-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202505141619.2NcI2pvO-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/x86/kvm/psp.c:15: >> include/linux/psp-hygon.h:219:5: warning: no previous prototype for 'psp_register_cmd_notifier' [-Wmissing-prototypes] 219 | int psp_register_cmd_notifier(uint32_t cmd_id, p2c_notifier_t notifier) { return -ENODEV; } | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> include/linux/psp-hygon.h:220:5: warning: no previous prototype for 'psp_unregister_cmd_notifier' [-Wmissing-prototypes] 220 | int psp_unregister_cmd_notifier(uint32_t cmd_id, p2c_notifier_t notifier) { return -ENODEV; } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kvm/psp.c:105:21: warning: no previous prototype for 'map_tbl_dump' [-Wmissing-prototypes] 105 | void __maybe_unused map_tbl_dump(const char *title, struct addr_map_tbls *tbls) | ^~~~~~~~~~~~ arch/x86/kvm/psp.c:118:21: warning: no previous prototype for 'g2h_tbl_dump' [-Wmissing-prototypes] 118 | void __maybe_unused g2h_tbl_dump(const char *title, struct gpa2hva_tbls *tbls) | ^~~~~~~~~~~~ vim +/psp_register_cmd_notifier +219 include/linux/psp-hygon.h d0b3a770d8e20d chench00 2024-08-01 218 d0b3a770d8e20d chench00 2024-08-01 @219 int psp_register_cmd_notifier(uint32_t cmd_id, p2c_notifier_t notifier) { return -ENODEV; } d0b3a770d8e20d chench00 2024-08-01 @220 int psp_unregister_cmd_notifier(uint32_t cmd_id, p2c_notifier_t notifier) { return -ENODEV; } d0b3a770d8e20d chench00 2024-08-01 221 :::::: The code at line 219 was first introduced by commit :::::: d0b3a770d8e20d953fe2a74ea8c4b5f4767c4add crypto: command co-processor: Add another mailbox interrupt support for PSP sending command to X86 :::::: TO: chench00 <chench(a)hygon.cn> :::::: CC: chench00 <chench(a)hygon.cn> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH openEuler-1.0-LTS] udf: Fix a slab-out-of-bounds write bug in udf_find_entry()
by Zeng Heng 14 May '25

14 May '25

From: ZhangPeng <zhangpeng362(a)huawei.com> stable inclusion from stable-v4.19.267 commit 7a6051d734f1ed0031e2216f9a538621235c11a4 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IC5BQP CVE: CVE-2022-49846 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------------------------------- commit c8af247de385ce49afabc3bf1cf4fd455c94bfe8 upstream. Syzbot reported a slab-out-of-bounds Write bug: loop0: detected capacity change from 0 to 2048 ================================================================== BUG: KASAN: slab-out-of-bounds in udf_find_entry+0x8a5/0x14f0 fs/udf/namei.c:253 Write of size 105 at addr ffff8880123ff896 by task syz-executor323/3610 CPU: 0 PID: 3610 Comm: syz-executor323 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:284 print_report+0x107/0x1f0 mm/kasan/report.c:395 kasan_report+0xcd/0x100 mm/kasan/report.c:495 kasan_check_range+0x2a7/0x2e0 mm/kasan/generic.c:189 memcpy+0x3c/0x60 mm/kasan/shadow.c:66 udf_find_entry+0x8a5/0x14f0 fs/udf/namei.c:253 udf_lookup+0xef/0x340 fs/udf/namei.c:309 lookup_open fs/namei.c:3391 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x10e6/0x2df0 fs/namei.c:3710 do_filp_open+0x264/0x4f0 fs/namei.c:3740 do_sys_openat2+0x124/0x4e0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_creat fs/open.c:1402 [inline] __se_sys_creat fs/open.c:1396 [inline] __x64_sys_creat+0x11f/0x160 fs/open.c:1396 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ffab0d164d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe1a7e6bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffab0d164d9 RDX: 00007ffab0d164d9 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 00007ffab0cd5a10 R08: 0000000000000000 R09: 0000000000000000 R10: 00005555573552c0 R11: 0000000000000246 R12: 00007ffab0cd5aa0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> Allocated by task 3610: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x3d/0x60 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:371 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:380 kmalloc include/linux/slab.h:576 [inline] udf_find_entry+0x7b6/0x14f0 fs/udf/namei.c:243 udf_lookup+0xef/0x340 fs/udf/namei.c:309 lookup_open fs/namei.c:3391 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x10e6/0x2df0 fs/namei.c:3710 do_filp_open+0x264/0x4f0 fs/namei.c:3740 do_sys_openat2+0x124/0x4e0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_creat fs/open.c:1402 [inline] __se_sys_creat fs/open.c:1396 [inline] __x64_sys_creat+0x11f/0x160 fs/open.c:1396 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff8880123ff800 which belongs to the cache kmalloc-256 of size 256 The buggy address is located 150 bytes inside of 256-byte region [ffff8880123ff800, ffff8880123ff900) The buggy address belongs to the physical page: page:ffffea000048ff80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x123fe head:ffffea000048ff80 order:1 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 ffffea00004b8500 dead000000000003 ffff888012041b40 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x0(), pid 1, tgid 1 (swapper/0), ts 1841222404, free_ts 0 create_dummy_stack mm/page_owner.c:67 [inline] register_early_stack+0x77/0xd0 mm/page_owner.c:83 init_page_owner+0x3a/0x731 mm/page_owner.c:93 kernel_init_freeable+0x41c/0x5d5 init/main.c:1629 kernel_init+0x19/0x2b0 init/main.c:1519 page_owner free stack trace missing Memory state around the buggy address: ffff8880123ff780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880123ff800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8880123ff880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 06 ^ ffff8880123ff900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880123ff980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== Fix this by changing the memory size allocated for copy_name from UDF_NAME_LEN(254) to UDF_NAME_LEN_CS0(255), because the total length (lfi) of subsequent memcpy can be up to 255. CC: stable(a)vger.kernel.org Reported-by: syzbot+69c9fdccc6dd08961d34(a)syzkaller.appspotmail.com Fixes: 066b9cded00b ("udf: Use separate buffer for copying split names") Signed-off-by: ZhangPeng <zhangpeng362(a)huawei.com> Signed-off-by: Jan Kara <jack(a)suse.cz> Link: https://lore.kernel.org/r/20221109013542.442790-1-zhangpeng362@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Zeng Heng <zengheng4(a)huawei.com> --- fs/udf/namei.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 9cfb555db1ad..0867322512cb 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -238,7 +238,7 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, poffset - lfi); else { if (!copy_name) { - copy_name = kmalloc(UDF_NAME_LEN, + copy_name = kmalloc(UDF_NAME_LEN_CS0, GFP_NOFS); if (!copy_name) { fi = ERR_PTR(-ENOMEM); -- 2.25.1

2 1

[PATCH OLK-6.6 0/4] Sync from 6.6 for the sam kabi
by Liu Chuang 14 May '25

14 May '25

Liu Chuang (1): trace: Fix kabi breakage in struct trace_iterator Steven Rostedt (1): tracing: Return from tracing_buffers_read() if the file has been closed Steven Rostedt (Google) (2): tracing/ring-buffer: Fix wait_on_pipe() race ring-buffer: Make wake once of ring_buffer_wait() more robust include/linux/ring_buffer.h | 3 ++- include/linux/trace_events.h | 6 ++++- kernel/trace/ring_buffer.c | 39 ++++++++++++++++++++----------- kernel/trace/trace.c | 45 +++++++++++++++++++++++++----------- 4 files changed, 64 insertions(+), 29 deletions(-) -- 2.34.1

2 5

[openeuler:OLK-5.10 2894/2894] drivers/ub/urma/ubcore/ubcore_main.c:257:36: sparse: sparse: incorrect type in assignment (different base types)
by kernel test robot 14 May '25

14 May '25

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 731227d05f54b13300b28332fabd3f3aaf0950eb commit: 95c713224477ac3433652331dd715e9bbcbc793a [2894/2894] ub: init ubcore module config: x86_64-randconfig-r121-20250514 compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202505141607.i1GpuEfA-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/ub/urma/ubcore/ubcore_main.c:118:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *args_addr @@ got void [noderef] __user * @@ drivers/ub/urma/ubcore/ubcore_main.c:118:44: sparse: expected void const *args_addr drivers/ub/urma/ubcore/ubcore_main.c:118:44: sparse: got void [noderef] __user * drivers/ub/urma/ubcore/ubcore_main.c:130:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *args_addr @@ got void [noderef] __user * @@ drivers/ub/urma/ubcore/ubcore_main.c:130:36: sparse: expected void *args_addr drivers/ub/urma/ubcore/ubcore_main.c:130:36: sparse: got void [noderef] __user * drivers/ub/urma/ubcore/ubcore_main.c:143:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *args_addr @@ got void [noderef] __user * @@ drivers/ub/urma/ubcore/ubcore_main.c:143:44: sparse: expected void const *args_addr drivers/ub/urma/ubcore/ubcore_main.c:143:44: sparse: got void [noderef] __user * drivers/ub/urma/ubcore/ubcore_main.c:256:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] resv2 @@ got restricted __be32 [usertype] @@ drivers/ub/urma/ubcore/ubcore_main.c:256:37: sparse: expected unsigned int [usertype] resv2 drivers/ub/urma/ubcore/ubcore_main.c:256:37: sparse: got restricted __be32 [usertype] >> drivers/ub/urma/ubcore/ubcore_main.c:257:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] addr @@ got restricted __be32 [usertype] ipv4 @@ drivers/ub/urma/ubcore/ubcore_main.c:257:36: sparse: expected unsigned int [usertype] addr drivers/ub/urma/ubcore/ubcore_main.c:257:36: sparse: got restricted __be32 [usertype] ipv4 drivers/ub/urma/ubcore/ubcore_main.c:86:17: sparse: sparse: context imbalance in 'ubcore_uasid_alloc' - unexpected unlock drivers/ub/urma/ubcore/ubcore_main.c: note: in included file: >> drivers/ub/urma/ubcore/ubcore_cmd.h:65:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *args_addr @@ drivers/ub/urma/ubcore/ubcore_cmd.h:65:45: sparse: expected void const [noderef] __user *from drivers/ub/urma/ubcore/ubcore_cmd.h:65:45: sparse: got void const *args_addr >> drivers/ub/urma/ubcore/ubcore_cmd.h:75:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got void *args_addr @@ drivers/ub/urma/ubcore/ubcore_cmd.h:75:37: sparse: expected void [noderef] __user *to drivers/ub/urma/ubcore/ubcore_cmd.h:75:37: sparse: got void *args_addr >> drivers/ub/urma/ubcore/ubcore_cmd.h:65:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *args_addr @@ drivers/ub/urma/ubcore/ubcore_cmd.h:65:45: sparse: expected void const [noderef] __user *from drivers/ub/urma/ubcore/ubcore_cmd.h:65:45: sparse: got void const *args_addr >> drivers/ub/urma/ubcore/ubcore_cmd.h:65:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *args_addr @@ drivers/ub/urma/ubcore/ubcore_cmd.h:65:45: sparse: expected void const [noderef] __user *from drivers/ub/urma/ubcore/ubcore_cmd.h:65:45: sparse: got void const *args_addr vim +257 drivers/ub/urma/ubcore/ubcore_main.c 112 113 static int ubcore_cmd_set_uasid(struct ubcore_cmd_hdr *hdr) 114 { 115 struct ubcore_cmd_set_uasid arg; 116 int ret; 117 118 ret = ubcore_copy_from_user(&arg, (void __user *)(uintptr_t)hdr->args_addr, 119 sizeof(struct ubcore_cmd_set_uasid)); 120 if (ret != 0) 121 return -EPERM; 122 123 arg.out.uasid = ubcore_uasid_alloc(arg.in.uasid); 124 if (arg.out.uasid == 0) { 125 ubcore_log_err("set uasid allocation failed, in_uasid: %u.\n", arg.in.uasid); 126 return -ENOMEM; 127 } 128 ubcore_log_info("set uasid allocation success, uasid: %u.\n", arg.out.uasid); 129 > 130 ret = ubcore_copy_to_user((void __user *)(uintptr_t)hdr->args_addr, &arg, 131 sizeof(struct ubcore_cmd_set_uasid)); 132 if (ret != 0) 133 return -EPERM; 134 135 return 0; 136 } 137 138 static int ubcore_cmd_put_uasid(struct ubcore_cmd_hdr *hdr) 139 { 140 struct ubcore_cmd_put_uasid arg; 141 int ret; 142 143 ret = ubcore_copy_from_user(&arg, (void __user *)(uintptr_t)hdr->args_addr, 144 sizeof(struct ubcore_cmd_put_uasid)); 145 if (ret != 0) 146 return -EPERM; 147 148 if (ubcore_uasid_free(arg.in.uasid) != 0) 149 return -EINVAL; 150 151 ubcore_log_info("put uasid free success, uasid: %u.\n", arg.in.uasid); 152 return 0; 153 } 154 static int ubcore_cmd_parse(struct ubcore_cmd_hdr *hdr) 155 { 156 switch (hdr->command) { 157 case UBCORE_CMD_SET_UASID: 158 return ubcore_cmd_set_uasid(hdr); 159 case UBCORE_CMD_PUT_UASID: 160 return ubcore_cmd_put_uasid(hdr); 161 default: 162 ubcore_log_err("bad ubcore command: %d.\n", (int)hdr->command); 163 return -EINVAL; 164 } 165 } 166 167 static long ubcore_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) 168 { 169 struct ubcore_cmd_hdr hdr; 170 int ret; 171 172 if (cmd == UBCORE_CMD) { 173 ret = ubcore_copy_from_user(&hdr, (void *)arg, sizeof(struct ubcore_cmd_hdr)); 174 if ((ret != 0) || (hdr.args_len > UBCORE_MAX_CMD_SIZE)) { 175 ubcore_log_err("length of ioctl input parameter is out of range.\n"); 176 return -EINVAL; 177 } 178 } else { 179 ubcore_log_err("bad ioctl command.\n"); 180 return -ENOIOCTLCMD; 181 } 182 return ubcore_cmd_parse(&hdr); 183 } 184 185 static int ubcore_close(struct inode *i_node, struct file *filp) 186 { 187 return 0; 188 } 189 190 static const struct file_operations g_ubcore_ops = { 191 .owner = THIS_MODULE, 192 .open = ubcore_open, 193 .release = ubcore_close, 194 .unlocked_ioctl = ubcore_ioctl, 195 .compat_ioctl = ubcore_ioctl, 196 }; 197 198 static int ubcore_register_sysfs(void) 199 { 200 int ret; 201 202 ret = alloc_chrdev_region(&g_ubcore_ctx.ubcore_devno, 0, 1, UBCORE_DEVICE_NAME); 203 if (ret != 0) { 204 ubcore_log_err("alloc chrdev region failed, ret:%d.\n", ret); 205 return ret; 206 } 207 208 cdev_init(&g_ubcore_ctx.ubcore_cdev, &g_ubcore_ops); 209 ret = cdev_add(&g_ubcore_ctx.ubcore_cdev, g_ubcore_ctx.ubcore_devno, 1); 210 if (ret != 0) { 211 ubcore_log_err("chrdev add failed, ret:%d.\n", ret); 212 goto unreg_cdev_region; 213 } 214 215 /* /sys/class/ubus/ubcore */ 216 g_ubcore_ctx.ubcore_class = class_create(THIS_MODULE, UBCORE_CLASS_NAME); 217 if (IS_ERR(g_ubcore_ctx.ubcore_class)) { 218 ret = (int)PTR_ERR(g_ubcore_ctx.ubcore_class); 219 ubcore_log_err("couldn't create class %s, ret:%d.\n", UBCORE_CLASS_NAME, ret); 220 goto del_cdev; 221 } 222 223 /* /dev/ubcore */ 224 g_ubcore_ctx.ubcore_dev = 225 device_create(g_ubcore_ctx.ubcore_class, NULL, g_ubcore_ctx.ubcore_devno, NULL, 226 UBCORE_DEVICE_NAME); 227 if (IS_ERR(g_ubcore_ctx.ubcore_dev)) { 228 ret = (int)PTR_ERR(g_ubcore_ctx.ubcore_dev); 229 ubcore_log_err("couldn't create device %s, ret:%d.\n", UBCORE_DEVICE_NAME, ret); 230 goto destroy_class; 231 } 232 ubcore_log_info("ubcore device created success.\n"); 233 return 0; 234 235 destroy_class: 236 class_destroy(g_ubcore_ctx.ubcore_class); 237 del_cdev: 238 cdev_del(&g_ubcore_ctx.ubcore_cdev); 239 unreg_cdev_region: 240 unregister_chrdev_region(g_ubcore_ctx.ubcore_devno, 1); 241 return ret; 242 } 243 244 static void ubcore_unregister_sysfs(void) 245 { 246 device_destroy(g_ubcore_ctx.ubcore_class, g_ubcore_ctx.ubcore_cdev.dev); 247 class_destroy(g_ubcore_ctx.ubcore_class); 248 cdev_del(&g_ubcore_ctx.ubcore_cdev); 249 unregister_chrdev_region(g_ubcore_ctx.ubcore_devno, 1); 250 ubcore_log_info("ubcore device destroyed success.\n"); 251 } 252 253 static void ubcore_ipv4_to_netaddr(struct ubcore_net_addr *netaddr, __be32 ipv4) 254 { 255 netaddr->net_addr.in4.resv1 = 0; 256 netaddr->net_addr.in4.resv2 = htonl(UBCORE_IPV4_MAP_IPV6_PREFIX); > 257 netaddr->net_addr.in4.addr = ipv4; 258 } 259 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 2229/2229] kernel/livepatch/core.c:2046: warning: bad line:
by kernel test robot 14 May '25

14 May '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a8743142c88fdbade6ffcd3cf426037633e9e1fc commit: 29f85d3cff2dfa35ace94d3e4036d5ea456eb859 [2229/2229] livepatch: Add klp_module_delete_safety_check config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20250514/202505141516.wTret3B2-lkp@…) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) rustc: rustc 1.71.1 (eb26296b5 2023-08-03) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250514/202505141516.wTret3B2-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202505141516.wTret3B2-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/livepatch/core.c:2046: warning: bad line: vim +2046 kernel/livepatch/core.c 2033 2034 /** 2035 * klp_module_delete_safety_check() - safety check in livepatch scenario when delete a module 2036 * @mod: Module to be deleted 2037 * 2038 * Module refcnt ensures that there is no rare case between enable_patch and delete_module: 2039 * 1. safety_check -> try_enable_patch -> try_release_module_ref: 2040 * try_enable_patch would increase module refcnt, which cause try_release_module_ref fails. 2041 * 2. safety_check -> try_release_module_ref -> try_enable_patch: 2042 * after release module ref, try_enable_patch would fail because try_module_get fails. 2043 * So the problem that release resources unsafely when enable livepatch after safety_check is 2044 * passed during module deletion does not exist, complex synchronization protection is not 2045 * required. > 2046 2047 * Return: 0 on success, otherwise error 2048 */ 2049 int klp_module_delete_safety_check(struct module *mod) 2050 { 2051 int ret; 2052 2053 if (!mod || !is_livepatch_module(mod)) 2054 return 0; 2055 2056 ret = stop_machine(arch_klp_module_check_calltrace, (void *)mod, NULL); 2057 if (ret) { 2058 pr_debug("failed to check klp module calltrace: %d\n", ret); 2059 return ret; 2060 } 2061 2062 return 0; 2063 } 2064 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-6.6 0/4] Sync from 6.6 for the same kabi
by Liu Chuang 14 May '25

14 May '25

Liu Chuang (1): trace: Fix kabi breakage in struct trace_iterator Steven Rostedt (1): tracing: Return from tracing_buffers_read() if the file has been closed Steven Rostedt (Google) (2): tracing/ring-buffer: Fix wait_on_pipe() race ring-buffer: Make wake once of ring_buffer_wait() more robust include/linux/ring_buffer.h | 3 ++- include/linux/trace_events.h | 6 ++++- kernel/trace/ring_buffer.c | 39 ++++++++++++++++++++----------- kernel/trace/trace.c | 45 +++++++++++++++++++++++++----------- 4 files changed, 64 insertions(+), 29 deletions(-) -- 2.34.1

2 5

[PATCH 0/4] Sync from 6.6 for the same kabi
by Liu Chuang 14 May '25

14 May '25

Liu Chuang (1): trace: Fix kabi breakage in struct trace_iterator Steven Rostedt (1): tracing: Return from tracing_buffers_read() if the file has been closed Steven Rostedt (Google) (2): tracing/ring-buffer: Fix wait_on_pipe() race ring-buffer: Make wake once of ring_buffer_wait() more robust include/linux/ring_buffer.h | 3 ++- include/linux/trace_events.h | 6 ++++- kernel/trace/ring_buffer.c | 39 ++++++++++++++++++++----------- kernel/trace/trace.c | 45 +++++++++++++++++++++++++----------- 4 files changed, 64 insertions(+), 29 deletions(-) -- 2.34.1

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[PATCH OLK-6.6 0/2] Add Loongson PWM controller support
by Hongchen Zhang 14 May '25

14 May '25

Binbin Zhou (1): dt-bindings: pwm: Add Loongson PWM controller wanghongliang (1): pwm: Add Loongson pwm driver support .../bindings/pwm/loongson,ls7a-pwm.yaml | 67 +++++ MAINTAINERS | 7 + arch/loongarch/configs/loongson3_defconfig | 1 + drivers/pwm/Kconfig | 12 + drivers/pwm/Makefile | 1 + drivers/pwm/pwm-loongson.c | 280 ++++++++++++++++++ 6 files changed, 368 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/loongson,ls7a-pwm.yaml create mode 100644 drivers/pwm/pwm-loongson.c -- 2.33.0

2 3

[PATCH OLK-6.6] crypto: loongson: add wst se chip support
by Hongchen Zhang 14 May '25

14 May '25

From: Qunqin Zhao <zhaoqunqin(a)loongson.cn> LoongArch inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IC1081 CVE: NA -------------------------------- Add support for WST se chip support for LS*5000*. Signed-off-by: Qunqin Zhao <zhaoqunqin(a)loongson.cn> Change-Id: Ie485ae3f1d6ad0dc4e89966943253b08192b6727 Signed-off-by: Hongchen Zhang <zhanghongchen(a)loongson.cn> --- MAINTAINERS | 6 + arch/loongarch/configs/loongson3_defconfig | 1 + drivers/crypto/Kconfig | 1 + drivers/crypto/Makefile | 1 + drivers/crypto/sedriver/Kconfig | 11 + drivers/crypto/sedriver/Makefile | 7 + drivers/crypto/sedriver/wst_se_common_type.h | 98 ++ drivers/crypto/sedriver/wst_se_define.h | 27 + drivers/crypto/sedriver/wst_se_echip_driver.c | 1420 +++++++++++++++++ drivers/crypto/sedriver/wst_se_echip_driver.h | 169 ++ drivers/crypto/sedriver/wst_se_ktrans.h | 17 + 11 files changed, 1758 insertions(+) create mode 100644 drivers/crypto/sedriver/Kconfig create mode 100644 drivers/crypto/sedriver/Makefile create mode 100644 drivers/crypto/sedriver/wst_se_common_type.h create mode 100644 drivers/crypto/sedriver/wst_se_define.h create mode 100644 drivers/crypto/sedriver/wst_se_echip_driver.c create mode 100644 drivers/crypto/sedriver/wst_se_echip_driver.h create mode 100644 drivers/crypto/sedriver/wst_se_ktrans.h diff --git a/MAINTAINERS b/MAINTAINERS index c6a3ac61989c..de11f2318497 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -756,6 +756,12 @@ L: linux-crypto(a)vger.kernel.org S: Maintained F: drivers/crypto/allwinner/ +WST CRYPTO DRIVERS +M: Hongchen Zhang <zhanghongchen(a)loongson.cn> +L: linux-crypto(a)vger.kernel.org +S: Maintained +F: drivers/crypto/sedriver/ + ALLWINNER DMIC DRIVERS M: Ban Tao <fengzheng923(a)gmail.com> L: alsa-devel(a)alsa-project.org (moderated for non-subscribers) diff --git a/arch/loongarch/configs/loongson3_defconfig b/arch/loongarch/configs/loongson3_defconfig index 210ab156facd..1eeb8e93e6a5 100644 --- a/arch/loongarch/configs/loongson3_defconfig +++ b/arch/loongarch/configs/loongson3_defconfig @@ -2183,6 +2183,7 @@ CONFIG_CRYPTO_CRC32_LOONGARCH=m CONFIG_CRYPTO_DEV_NITROX_CNN55XX=m CONFIG_CRYPTO_DEV_CHELSIO=m CONFIG_CRYPTO_DEV_VIRTIO=m +CONFIG_SW_SE_CHIP=m CONFIG_SIGNED_PE_FILE_VERIFICATION=y CONFIG_SECONDARY_TRUSTED_KEYRING=y CONFIG_SYSTEM_BLACKLIST_KEYRING=y diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index b84a921d293f..efd6a855bca3 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -836,5 +836,6 @@ config CRYPTO_DEV_SA2UL source "drivers/crypto/aspeed/Kconfig" source "drivers/crypto/starfive/Kconfig" source "drivers/crypto/montage/Kconfig" +source "drivers/crypto/sedriver/Kconfig" endif # CRYPTO_HW diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile index 5247d2bf09ce..6ad337bad109 100644 --- a/drivers/crypto/Makefile +++ b/drivers/crypto/Makefile @@ -54,3 +54,4 @@ obj-$(CONFIG_CRYPTO_DEV_AMLOGIC_GXL) += amlogic/ obj-y += intel/ obj-y += starfive/ obj-y += montage/ +obj-$(CONFIG_SW_SE_CHIP) += sedriver/ diff --git a/drivers/crypto/sedriver/Kconfig b/drivers/crypto/sedriver/Kconfig new file mode 100644 index 000000000000..9d58794a6fc9 --- /dev/null +++ b/drivers/crypto/sedriver/Kconfig @@ -0,0 +1,11 @@ +# +# se chip configuration +# +config SW_SE_CHIP + tristate "wst se chip driver" + depends on LOONGARCH + help + If you have a wst security chip, + say Yes and it will be accessible from within Linux. + To compile this driver as a module, choose M here; + the module will be called tpm_tis_i2c. If unsure, say N. diff --git a/drivers/crypto/sedriver/Makefile b/drivers/crypto/sedriver/Makefile new file mode 100644 index 000000000000..0ee095d1a1d2 --- /dev/null +++ b/drivers/crypto/sedriver/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for SE CHIP Driver +# + +obj-$(CONFIG_SW_SE_CHIP) += sw_se_echip_drv.o +sw_se_echip_drv-objs := wst_se_echip_driver.o + diff --git a/drivers/crypto/sedriver/wst_se_common_type.h b/drivers/crypto/sedriver/wst_se_common_type.h new file mode 100644 index 000000000000..c33dc53dfc5b --- /dev/null +++ b/drivers/crypto/sedriver/wst_se_common_type.h @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _WST_SE_COMMON_TYPE_H +#define _WST_SE_COMMON_TYPE_H + +#include <linux/kernel.h> /* We're doing kernel work */ +#include <linux/module.h> /* Specifically, a module */ +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/poll.h> +#include <linux/pci.h> +#include <linux/types.h> +#include <linux/fs.h> +#include <linux/interrupt.h> +#include <linux/workqueue.h> +#include <linux/mm.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/wait.h> +#include <linux/version.h> +#include <linux/ioport.h> +#include <linux/time.h> +#include <linux/pagemap.h> +#include <linux/delay.h> +#include <linux/list.h> +#include <linux/uaccess.h> +#include <linux/io.h> +#include <asm/mman.h> +#include <asm/irq.h> +#include <asm/dma.h> + +#define WST_GO_CHANNEL0 0x0002 +#define WST_GO_CHANNEL1 0x0000 +#define WST_GO_CHANNEL2 0x0001 + +#define SE_OK 0 + +struct loongson_sedriver_irq { + char *pat; + int irq; +}; + +struct tag_dma_buf_ctl { + struct list_head list; + unsigned char *pDmaBuf; +}; + +struct tag_Queue_container { + struct list_head m_Head; + unsigned int qlen; + unsigned int max_qlen; +}; + +static inline int wst_InitQueue(struct tag_Queue_container *pQueue, int count) +{ + INIT_LIST_HEAD(&pQueue->m_Head); + pQueue->qlen = 0; + pQueue->max_qlen = count; + return 0; +} + +static inline struct list_head * +wst_Popfront_Que(struct tag_Queue_container *pQueue) +{ + struct list_head *pNode = NULL; + + if (list_empty(&pQueue->m_Head)) + return NULL; + + pQueue->qlen--; + pNode = pQueue->m_Head.next; + list_del(pNode); + return pNode; +} + +static inline int wst_Pushback_Que(struct tag_Queue_container *pQueue, + void *pNode) +{ + if (unlikely(pQueue->qlen >= pQueue->max_qlen)) + return -1; + + pQueue->qlen++; + list_add_tail((struct list_head *)(pNode), &pQueue->m_Head); + return 0; +} + +#define READUBUF 0 +#define WRITEUBUF 1 + +static inline int wst_cpyusrbuf(unsigned char *puserbuf, unsigned char *pkbuf, + size_t num, int orient) +{ + if (orient == READUBUF) + return copy_from_user(pkbuf, puserbuf, num); + else + return copy_to_user(puserbuf, pkbuf, num); +} + +#endif diff --git a/drivers/crypto/sedriver/wst_se_define.h b/drivers/crypto/sedriver/wst_se_define.h new file mode 100644 index 000000000000..1902b236c906 --- /dev/null +++ b/drivers/crypto/sedriver/wst_se_define.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _WST_SE_DEFINE_H +#define _WST_SE_DEFINE_H + +typedef void (*PSECallBackfn)(void *pParam); + +#define WST_SE_OK 0 //function syccess +#define WST_SE_FAILURE 1 +#define WST_SE_ERROR_MALLOC 2 +#define WST_SE_ERROR_OPEN 3 +#define WST_SE_ERROR_ID 4 +#define WST_SE_ERROR_OPERTYPE 5 +#define WST_SE_ERROR_KEYID 6 +#define WST_SE_NOT_SUPPORT 7 +#define WST_SE_ERROR_FULL 8 +#define WST_SE_VERIFY_ERROR 0xb +#define WST_SE_NOT_SUPPORT_VERIFY 0xd +#define WST_SE_ERROR_LENGTH 0xc +#define WST_SE_HAS_OPEN 0xd +#define WST_COPY_MEM_ERROR 0xe +#define WST_SE_PARAM_ERROR 0xf + +#define BASE_ERROR 0x1000 +#define WST_SE_ERROR_LICENSE 0x100b +#define WST_SE_ERROR_NOT_SUPPORT_TYPE 0x100d + +#endif diff --git a/drivers/crypto/sedriver/wst_se_echip_driver.c b/drivers/crypto/sedriver/wst_se_echip_driver.c new file mode 100644 index 000000000000..57f13789870c --- /dev/null +++ b/drivers/crypto/sedriver/wst_se_echip_driver.c @@ -0,0 +1,1420 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/semaphore.h> +#include <linux/moduleparam.h> +#include <linux/kthread.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/workqueue.h> +#include <linux/platform_device.h> +#include <linux/crypto.h> +#include <crypto/internal/skcipher.h> +#include <linux/acpi.h> +#include <asm/loongson.h> +#include "wst_se_echip_driver.h" + +#define LS_CRYPTO_SE_ADDR1 TO_UNCACHE(LOONGSON_REG_BASE + 0x0400) +#define LS_CRYPTO_SE_ADDR2 TO_UNCACHE(0xc0010200000) +#define DRIVER_VERSION "01.10.220111" +DEFINE_SPINLOCK(g_reclistlock); +DEFINE_SPINLOCK(g_sendlistlock); +DEFINE_SPINLOCK(g_getdmabuflock); + +unsigned char *g_pCacheInBuf = NULL, *g_pCacheOutBuf = NULL; +static struct class *g_psecclass; +static struct device *g_psecdev; +static struct tagSEdrvctl *g_psechipDrvCtrl; +static int g_isechip_Major = -1; +static struct semaphore g_lowsema, g_lowirqsema; +static atomic_t g_sendtotallen; +static struct tag_Queue_container g_RecQueueContainer; +static struct tag_Queue_container g_SendQueueContainer; +static int g_suspend; +static struct semaphore g_dmabufsem; +struct loongson_sedriver_irq se_irq[] = { + { + .pat = "se-irq", + }, + { + .pat = "se-lirq", + }, +}; +static struct tag_Queue_container g_DmaBQueueContainer; +static struct tag_dma_buf_ctl *g_pdmadatabuf; +static int g_iDmaBufNum; +static struct work_struct g_recwork, g_sendwork; +static struct workqueue_struct *g_worksendqueue, *g_workrecqueue; +static irqreturn_t se_interrupt(int irq, void *p); +static irqreturn_t wst_low_channel_status(int irq, void *p); +static void globalmem_do_send_op(struct work_struct *p); +static void globalmem_do_rec_op(struct work_struct *p); +static int g_iUseIntr = 1; +module_param(g_iUseIntr, int, 0644); + +static int se_init_dma_buf(int idatasize, int idatanum) +{ + int i; + struct tag_dma_buf_ctl *pdmactl; + + wst_InitQueue(&g_DmaBQueueContainer, idatanum); + g_pdmadatabuf = kmalloc((sizeof(struct tag_dma_buf_ctl) * idatanum), + GFP_KERNEL); + if (!g_pdmadatabuf) + return -1; + for (i = 0; i < idatanum; i++) { + pdmactl = &g_pdmadatabuf[i]; + pdmactl->pDmaBuf = + (unsigned char *)__get_free_page(GFP_KERNEL | GFP_DMA); + if (!pdmactl->pDmaBuf) { + g_iDmaBufNum = i; + return SE_OK; + } + wst_Pushback_Que(&g_DmaBQueueContainer, pdmactl); + } + g_iDmaBufNum = i; + sema_init(&g_dmabufsem, 1); + return SE_OK; +} + +static int se_del_dma_buf(void) +{ + int i; + struct tag_dma_buf_ctl *pdmactl; + + for (i = 0; i < g_iDmaBufNum; i++) { + pdmactl = &g_pdmadatabuf[i]; + if (pdmactl) { + free_page((unsigned long)pdmactl->pDmaBuf); + pdmactl->pDmaBuf = NULL; + } + } + kfree(g_pdmadatabuf); + g_pdmadatabuf = NULL; + return 0; +} + +struct tag_dma_buf_ctl *se_get_dma_buf(int ikernel) +{ + struct tag_dma_buf_ctl *pbufctl = NULL; + unsigned long ultimeout = 0; + + ultimeout = jiffies + 20 * HZ; + while (1) { + spin_lock(&g_getdmabuflock); + pbufctl = (struct tag_dma_buf_ctl *)wst_Popfront_Que( + &g_DmaBQueueContainer); + spin_unlock(&g_getdmabuflock); + if (pbufctl) + return pbufctl; + if (down_timeout(&g_dmabufsem, ultimeout)) + return NULL; + } + return pbufctl; +} + +int se_free_dma_buf(struct tag_dma_buf_ctl *pdmabufctl) +{ + spin_lock(&g_getdmabuflock); + wst_Pushback_Que(&g_DmaBQueueContainer, pdmabufctl); + spin_unlock(&g_getdmabuflock); + if (g_dmabufsem.count <= 0) + up(&g_dmabufsem); + + return 0; +} + +static unsigned long bytes_align(struct device *pdev, unsigned long ulVirAddr) +{ + unsigned char diff; + unsigned long ulPhyAddr = (unsigned long)__pa((void *)ulVirAddr); + + if ((ulPhyAddr & 0x000000000000003f) == 0) + return ulVirAddr; + diff = ((long)ulPhyAddr & (~(0x000000000000003f))) + 64 - ulPhyAddr; + ulVirAddr += diff; + + return ulVirAddr; +} + +static unsigned long descri_bytes_align(unsigned long ulVirAddr) +{ + unsigned char diff; + unsigned long ulPhyAddr = ulVirAddr; + + if ((ulPhyAddr & (~0x00000000ffffffe0)) == 0) + return ulVirAddr; + diff = ((long)ulPhyAddr & 0x00000000ffffffe0) + 32 - ulPhyAddr; + ulVirAddr += diff; + return ulVirAddr; +} + +int se_printk_hex(unsigned char *buff, int length) +{ + unsigned char *string_tmp = buff; + int i; + int count = 0; + + for (i = 0; i < length; i++, count++) { + if (count < 16) + pr_info("%02x ", string_tmp[i]); + else { + count = 0; + pr_info("\n%02x ", string_tmp[i]); + continue; + } + } + pr_info("\n"); + return 0; +} + +static int se_ChipInit(struct tagSEdrvctl *pDrvCtrl) +{ + dma_addr_t ulBusAddr; + unsigned long ulVirAddr; + int i = 0, j = 0; + unsigned int dmaoldmask; + + for (i = 0; i < SWCHANNELNUM; i++) { + ulVirAddr = (unsigned long)dma_alloc_coherent( + pDrvCtrl->pdev, (SE_BDQUEUE_LEN * SE_BD_LENGTH + 32), + &ulBusAddr, GFP_KERNEL); + if (ulVirAddr == 0 || ulBusAddr == 0) + return -EFAULT; + memset((void *)ulVirAddr, 0, (SE_BDQUEUE_LEN * SE_BD_LENGTH)); + + pDrvCtrl->ulBDMemBasePhy[i] = ulBusAddr; + pDrvCtrl->ulBDMemBase[i] = ulVirAddr; + pDrvCtrl->ulCurrBdReadPtr[i] = 0; + pDrvCtrl->ulCurrBdWritePtr[i] = 0; + pDrvCtrl->ulCurrReadPtr[i] = 0; + pDrvCtrl->ulCurrWritePtr[i] = 0; + } + for (i = 0; i < SE_BDQUEUE_LEN; i++) { + for (j = 0; j < SWCHANNELNUM; j++) + (&((struct tagSEBasicBD *)(pDrvCtrl->ulBDMemBase[j]))[i]) + ->ucRetCode = 0x0f; + } + ulBusAddr = descri_bytes_align(pDrvCtrl->ulBDMemBasePhy[0]); + HandleWrite32(pDrvCtrl, SE_HREG_BQBA0, HIULONG(ulBusAddr)); + HandleWrite32(pDrvCtrl, SE_LREG_BQBA0, LOULONG(ulBusAddr)); + HandleWrite32(pDrvCtrl, SE_REG_BQS0, SE_BDQUEUE_LEN - 1); + HandleWrite32(pDrvCtrl, SE_REG_RQRP0, pDrvCtrl->ulCurrBdReadPtr[0]); + HandleWrite32(pDrvCtrl, SE_REG_BQWP0, pDrvCtrl->ulCurrBdWritePtr[0]); + + ulBusAddr = descri_bytes_align(pDrvCtrl->ulBDMemBasePhy[1]); + HandleWrite32(pDrvCtrl, SE_HREG_BQBA1, HIULONG(ulBusAddr)); + HandleWrite32(pDrvCtrl, SE_LREG_BQBA1, LOULONG(ulBusAddr)); + HandleWrite32(pDrvCtrl, SE_REG_BQS1, SE_BDQUEUE_LEN - 1); + HandleWrite32(pDrvCtrl, SE_REG_RQRP1, pDrvCtrl->ulCurrBdReadPtr[1]); + HandleWrite32(pDrvCtrl, SE_REG_BQWP1, pDrvCtrl->ulCurrBdWritePtr[1]); + HandleRead32(pDrvCtrl, SE_REG_MSK, &dmaoldmask); + HandleWrite32(pDrvCtrl, SE_REG_MSK, + (dmaoldmask | DMA0_CTRL_CHANNEL_ENABLE | + DMA1_CTRL_CHANNEL_ENABLE)); + if (g_iUseIntr != 0) + HandleWrite32(pDrvCtrl, SE_LOWREG_INQ, 1); + else + HandleWrite32(pDrvCtrl, SE_LOWREG_INQ, 0); + mdelay(1000); + + return SE_OK; +} + +static void se_ChipRelease(struct tagSEdrvctl *pDrvCtrl) +{ + int i; + + for (i = 0; i < SWCHANNELNUM; i++) { + if (pDrvCtrl->ulBDMemBase[i]) { + dma_free_coherent(pDrvCtrl->pdev, + (SE_BDQUEUE_LEN * SE_BD_LENGTH), + (void *)pDrvCtrl->ulBDMemBase[i], + pDrvCtrl->ulBDMemBasePhy[i]); + pDrvCtrl->ulBDMemBase[i] = 0; + pDrvCtrl->ulBDMemBasePhy[i] = 0; + } + } +} + +static void SE_RESET(struct tagSEdrvctl *pdrvctl) +{ + unsigned int reg; + unsigned long ulreg64, uladdr = LS_CRYPTO_SE_ADDR1; + + HandleRead32(pdrvctl, SE_REG_RESET, &reg); + HandleWrite32(pdrvctl, SE_REG_RESET, reg | SE_DMA_CONTROL_RESET); + mdelay(300); + HandleWrite32(pdrvctl, SE_REG_RESET, + (reg & (~SE_DMA_CONTROL_RESET)) | SE_DMA_CONTROL_SET); + mdelay(300); + ulreg64 = readq((void *)uladdr); + if ((ulreg64 & 0xf0000000000000) != 0xf0000000000000) + writeq(ulreg64 | 0xf0000000000000, (void *)uladdr); + HandleWrite32(pdrvctl, SE_INT_CLR, 0xf); +} + +static int wst_init(void) +{ + int iRes = SE_OK; + static u64 wst_dma_mask = DMA_BIT_MASK(64); + char cName[256]; + struct tagSEdrvctl *pdrvctl = NULL; + + pdrvctl = kmalloc(sizeof(struct tagSEdrvctl), GFP_KERNEL); + if (pdrvctl == NULL) + return -ENOMEM; + memset(pdrvctl, 0, sizeof(struct tagSEdrvctl)); + pdrvctl->ulMemBase = LS_CRYPTO_SE_ADDR2; + memset(cName, 0, 256); + sema_init(&(pdrvctl->sema), 0); + rwlock_init(&(pdrvctl->mr_lock)); + rwlock_init(&(pdrvctl->mr_lowlock)); + g_psechipDrvCtrl = pdrvctl; + g_psechipDrvCtrl->pdev = g_psecdev; + g_psechipDrvCtrl->pdev->dma_mask = &wst_dma_mask; + g_psechipDrvCtrl->pdev->coherent_dma_mask = + (unsigned long long)&wst_dma_mask; + wst_InitQueue(&g_RecQueueContainer, 2000); + wst_InitQueue(&g_SendQueueContainer, 2000); + SE_RESET(pdrvctl); + pdrvctl->ilowIrq = 0; + pdrvctl->iIrq = se_irq[0].irq; + iRes = request_irq(pdrvctl->iIrq, &se_interrupt, IRQF_SHARED, + "wst-se-hirq", pdrvctl); + if (iRes) { + pr_err("request_irq err\n"); + pdrvctl->iIrq = 0; + goto err; + } + if (g_iUseIntr == 1) { + pdrvctl->ilowIrq = se_irq[1].irq; + iRes = request_irq(pdrvctl->ilowIrq, &wst_low_channel_status, + IRQF_SHARED, "wst-se-lirq", pdrvctl); + if (iRes) { + pr_err("\nrequest_lowirq err, iRes=0x%x\n", iRes); + pdrvctl->ilowIrq = 0; + goto err; + } + } + if (se_ChipInit(pdrvctl) != SE_OK) { + iRes = -ENODEV; + goto err; + } + return SE_OK; +err: + if (pdrvctl != NULL) { + if (pdrvctl->iIrq) { + free_irq(pdrvctl->iIrq, pdrvctl); + pdrvctl->iIrq = 0; + } + if (pdrvctl->ilowIrq) { + free_irq(pdrvctl->ilowIrq, pdrvctl); + pdrvctl->ilowIrq = 0; + } + se_ChipRelease(pdrvctl); + kfree(pdrvctl); + g_psechipDrvCtrl = NULL; + } + return iRes; +} + +static void wst_clear(void) +{ + struct tagSEdrvctl *pdrvctl = NULL; + + pdrvctl = g_psechipDrvCtrl; + if (pdrvctl) { + if (pdrvctl->iIrq) { + free_irq(pdrvctl->iIrq, pdrvctl); + pdrvctl->iIrq = 0; + } + if (pdrvctl->ilowIrq) { + free_irq(pdrvctl->ilowIrq, pdrvctl); + pdrvctl->ilowIrq = 0; + } + se_ChipRelease(pdrvctl); + kfree(pdrvctl); + g_psechipDrvCtrl = NULL; + } +} +static void globalmem_do_send_op(struct work_struct *p) +{ + struct tagSEBasicBD *pCurBD; + unsigned int ulCurrWritePtr, ulWritePtr; + unsigned short len = 0; + unsigned long ulCurrAddrInput = 0, ulCurrAddrOutput = 0; + struct tagSEdrvctl *pdrvctl; + unsigned char *pInPtr; + unsigned short usInlen; + unsigned char *pOutPtr; + unsigned short *pusOutlen; + int iChannel; + unsigned char ucFlag; + unsigned char ucOpCode; + unsigned char *pucRetCode; + PSECallBackfn pcallback; + void *pParma; + int iKernel; + struct completion *mycomplete; + struct ST_SEND_PACKAGE *psendpackage; + unsigned long ulflag; + unsigned long ultimeout; + int rv = 0; + +PROG: + spin_lock_irq(&g_sendlistlock); + psendpackage = (struct ST_SEND_PACKAGE *)wst_Popfront_Que(&g_SendQueueContainer); + if (!psendpackage) { + spin_unlock_irq(&g_sendlistlock); + return; + } + spin_unlock_irq(&g_sendlistlock); + pdrvctl = psendpackage->pdrvctl; + pInPtr = psendpackage->pInPtr; + usInlen = psendpackage->usInlen; + pOutPtr = psendpackage->pOutPtr; + pusOutlen = psendpackage->pusOutlen; + iChannel = psendpackage->iChannel; + ucFlag = psendpackage->ucFlag; + ucOpCode = psendpackage->ucOpCode; + pucRetCode = psendpackage->pucRetCode; + pcallback = psendpackage->pcallback; + pParma = psendpackage->pParma; + iKernel = psendpackage->iKernel; + mycomplete = psendpackage->mycomplete; + ultimeout = psendpackage->ulendtime; + kfree(psendpackage); + + if (iKernel == 0) { + while (time_before(jiffies, ultimeout)) { +#ifdef CONFIG_MIPS + if ((pdrvctl->ulCurrBdReadPtr[iChannel] == + ((pdrvctl->ulCurrBdWritePtr[iChannel] + 1) & + (SE_BDQUEUE_LEN - 1))) || + ((atomic_read(&g_sendtotallen) + *pusOutlen + + SE_FILL_LEN) > SE_MAX_SEND_LEN)) +#else + if (pdrvctl->ulCurrBdReadPtr[iChannel] == + ((pdrvctl->ulCurrBdWritePtr[iChannel] + 1) & + (SE_BDQUEUE_LEN - 1))) +#endif + { + if (down_timeout(&(pdrvctl->sema), 1 * HZ)) + pr_info("down timeout\n"); + rv = WST_SE_ERROR_FULL; + } else { + rv = 0; + break; + } + } + if (rv != 0x0) { + *pucRetCode = WST_SE_ERROR_FULL; + complete(mycomplete); + goto PROG; + } + } else { + ultimeout = jiffies + 1 * HZ; + while (time_before(jiffies, ultimeout)) { +#ifdef CONFIG_MIPS + if ((pdrvctl->ulCurrBdReadPtr[iChannel] == + ((pdrvctl->ulCurrBdWritePtr[iChannel] + 1) & + (SE_BDQUEUE_LEN - 1))) || + ((atomic_read(&g_sendtotallen) + *pusOutlen + + SE_FILL_LEN) > SE_MAX_SEND_LEN)) +#else + if (pdrvctl->ulCurrBdReadPtr[iChannel] == + ((pdrvctl->ulCurrBdWritePtr[iChannel] + 1) & + (SE_BDQUEUE_LEN - 1))) +#endif + { + rv = WST_SE_ERROR_FULL; + } else { + rv = 0; + break; + } + } + if (rv != 0x0) { + *pucRetCode = WST_SE_ERROR_FULL; + if (pcallback) + pcallback(pParma); + goto PROG; + } + } + ulCurrWritePtr = pdrvctl->ulCurrBdWritePtr[iChannel]; + ulWritePtr = (ulCurrWritePtr + 1) & (SE_BDQUEUE_LEN - 1); + + pCurBD = &(( + struct tagSEBasicBD *)(pdrvctl->ulBDMemBase[iChannel]))[ulCurrWritePtr]; + memset(pCurBD, 0x0, sizeof(struct tagSEBasicBD)); + if (pcallback != NULL) { + (pdrvctl->pcallback)[iChannel][ulCurrWritePtr] = pcallback; + pdrvctl->pParma[iChannel][ulCurrWritePtr] = pParma; + } else { + (pdrvctl->pcallback)[iChannel][ulCurrWritePtr] = NULL; + pdrvctl->pParma[iChannel][ulCurrWritePtr] = NULL; + } + + pdrvctl->ikernel[iChannel][ulCurrWritePtr] = iKernel; + pdrvctl->stsemphore[iChannel][ulCurrWritePtr] = mycomplete; + + if (pInPtr == pOutPtr) { + if (pOutPtr) { + len = usInlen >= *pusOutlen ? usInlen : *pusOutlen; + if (len) { + ulCurrAddrOutput = + dma_map_single(pdrvctl->pdev, pOutPtr, + len, DMA_BIDIRECTIONAL); + if (ulCurrAddrOutput == 0) { + pr_err( + "map ulCurrAddrOutput error\n"); + *pucRetCode = WST_SE_FAILURE; + if (iKernel == 0) + complete(mycomplete); + else if (pcallback) + pcallback(pParma); + goto PROG; + } + pCurBD->ulOutputLPtr = + LOULONG(ulCurrAddrOutput); + pCurBD->ulOutputHPtr = + HIULONG(ulCurrAddrOutput); + pCurBD->ulInputLPtr = pCurBD->ulOutputLPtr; + pCurBD->ulInputHPtr = pCurBD->ulOutputHPtr; + } + } + } else { + if (pOutPtr && (*pusOutlen)) { + ulCurrAddrOutput = dma_map_single(pdrvctl->pdev, + pOutPtr, *pusOutlen, + DMA_FROM_DEVICE); + if (ulCurrAddrOutput == 0) { + pr_err("map ulCurrAddrOutput error\n"); + *pucRetCode = WST_SE_FAILURE; + if (iKernel == 0) { + complete(mycomplete); + } else { + *pucRetCode = WST_SE_FAILURE; + if (pcallback) + pcallback(pParma); + } + goto PROG; + } + pCurBD->ulOutputLPtr = LOULONG(ulCurrAddrOutput); + pCurBD->ulOutputHPtr = HIULONG(ulCurrAddrOutput); + } + if (usInlen && pInPtr) { + ulCurrAddrInput = dma_map_single( + pdrvctl->pdev, pInPtr, usInlen, DMA_TO_DEVICE); + if (ulCurrAddrInput == 0) { + if (ulCurrAddrOutput) { + dma_unmap_single(pdrvctl->pdev, + ulCurrAddrOutput, + *pusOutlen, + DMA_FROM_DEVICE); + pCurBD->ulOutputLPtr = 0; + pCurBD->ulOutputHPtr = 0; + } + *pucRetCode = WST_SE_FAILURE; + if (iKernel == 0) { + complete(mycomplete); + } else { + *pucRetCode = WST_SE_FAILURE; + if (pcallback) + pcallback(pParma); + } + goto PROG; + } + pCurBD->ulInputLPtr = LOULONG(ulCurrAddrInput); + pCurBD->ulInputHPtr = HIULONG(ulCurrAddrInput); + } + } + pCurBD->ucOpCode = ucOpCode & 0x0f; + pCurBD->ucFlag = ucFlag & 0x7; + pCurBD->usInputLength = usInlen; + if (pusOutlen) + pCurBD->usOutputLength = *pusOutlen; + + pCurBD->ucRetCode = 0x0f; + + pdrvctl->pusOutlen[iChannel][ulCurrWritePtr] = pusOutlen; + pdrvctl->usInlen[iChannel][ulCurrWritePtr] = usInlen & 0xffff; + if (ulCurrAddrOutput) + pdrvctl->ulOutputPtr[iChannel][ulCurrWritePtr] = + (unsigned long *)ulCurrAddrOutput; + else + pdrvctl->ulOutputPtr[iChannel][ulCurrWritePtr] = 0; + if (ulCurrAddrInput) + pdrvctl->ulInputPtr[iChannel][ulCurrWritePtr] = + (unsigned long *)ulCurrAddrInput; + else + pdrvctl->ulInputPtr[iChannel][ulCurrWritePtr] = 0; + pdrvctl->pucRetCode[iChannel][ulCurrWritePtr] = pucRetCode; + +#ifdef CONFIG_MIPS + atomic_add( + (*(pdrvctl->pusOutlen[iChannel][ulCurrWritePtr]) + SE_FILL_LEN), + &g_sendtotallen); +#endif + write_lock_irqsave(&(pdrvctl->mr_lock), ulflag); + if (iChannel == 0) + HandleWrite32(pdrvctl, SE_REG_BQWP0, ulWritePtr); + else + HandleWrite32(pdrvctl, SE_REG_BQWP1, ulWritePtr); + write_unlock_irqrestore(&(pdrvctl->mr_lock), ulflag); + pdrvctl->ulCurrBdWritePtr[iChannel] = ulWritePtr; + goto PROG; +} + +static int se_hardtrans(struct tagSEdrvctl *pdrvctl, unsigned char *pInPtr, + unsigned short usInlen, unsigned char *pOutPtr, + unsigned short *pusOutlen, int iChannel, + unsigned char ucFlag, unsigned char ucOpCode, + unsigned char *pucRetCode, PSECallBackfn pcallback, + void *pParma, int iKernel, + struct completion *mycomplete) +{ + struct ST_SEND_PACKAGE *psendpackage; + gfp_t gfp_flag; + + if (in_interrupt()) + gfp_flag = GFP_ATOMIC; + else + gfp_flag = GFP_KERNEL; + if (g_suspend == 1) + return WST_SE_FAILURE; + psendpackage = kmalloc(sizeof(struct ST_SEND_PACKAGE), gfp_flag); + if (psendpackage == NULL) + return -1; + + psendpackage->pdrvctl = pdrvctl; + psendpackage->pInPtr = pInPtr; + psendpackage->usInlen = usInlen; + psendpackage->pOutPtr = pOutPtr; + psendpackage->pusOutlen = pusOutlen; + psendpackage->iChannel = iChannel; + psendpackage->ucFlag = ucFlag; + psendpackage->ucOpCode = ucOpCode; + psendpackage->pucRetCode = pucRetCode; + psendpackage->pcallback = pcallback; + psendpackage->pParma = pParma; + psendpackage->iKernel = iKernel; + psendpackage->mycomplete = mycomplete; + psendpackage->ulendtime = jiffies + 30 * HZ; + spin_lock_irq(&g_sendlistlock); + if (wst_Pushback_Que(&g_SendQueueContainer, psendpackage) == -1) { + spin_unlock_irq(&g_sendlistlock); + kfree(psendpackage); + return WST_SE_ERROR_FULL; + } + spin_unlock_irq(&g_sendlistlock); + queue_work(g_worksendqueue, &g_sendwork); + return 0; +} + +static irqreturn_t wst_low_channel_status(int irq, void *p) +{ + struct tagSEdrvctl *pdrvctl = p; + int64_t ulIntStat = 0; + unsigned long ulflag; + + read_lock_irqsave(&(pdrvctl->mr_lock), ulflag); + HandleRead64(pdrvctl, SE_LOWREG_STS, &ulIntStat); + if (ulIntStat == 2) { + HandleWrite64(pdrvctl, SE_LOWINT_CLEAR, 2); + up(&g_lowirqsema); + } + read_unlock_irqrestore(&(pdrvctl->mr_lock), ulflag); + + return IRQ_HANDLED; +} + +static int se_useropen(struct inode *inode, struct file *file) +{ + if (MINOR(inode->i_rdev) != 0) + return -ENODEV; + + return SE_OK; +} + +static ssize_t wst_low_channel_userwrite_op(struct tagSEdrvctl *pdrvctl, + struct tagSWCOMMUDATA *UserCommuData, + int iskernel) +{ + unsigned long long addr = 0, outaddr = 0; + int ilen; + int count = SE_OK; + unsigned long long ulsendlen; + unsigned char *m_pCacheInBuf; + unsigned char *m_pCacheOutBuf; + unsigned long ulflag; + + if ((g_pCacheInBuf == NULL) || (g_pCacheOutBuf == NULL)) + return -EFAULT; + + m_pCacheInBuf = + (unsigned char *)bytes_align(0, (unsigned long)g_pCacheInBuf); + m_pCacheOutBuf = + (unsigned char *)bytes_align(0, (unsigned long)g_pCacheOutBuf); + if (iskernel == 0) { + if (wst_cpyusrbuf((void *)(UserCommuData->pucInbuf), + (void *)m_pCacheInBuf, + UserCommuData->usInputLen, READUBUF)) { + pr_err("copy user data error\n"); + return -EFAULT; + } + } else + + memcpy((void *)m_pCacheInBuf, (void *)(UserCommuData->pucInbuf), + UserCommuData->usInputLen); + ilen = UserCommuData->usInputLen >= UserCommuData->usOutputLen ? + UserCommuData->usInputLen : + UserCommuData->usOutputLen; + addr = dma_map_single(pdrvctl->pdev, m_pCacheInBuf, ilen, + DMA_TO_DEVICE); + if (addr == 0) { + pr_err("transfer buffer is err\n"); + return -EFAULT; + } + outaddr = dma_map_single(pdrvctl->pdev, m_pCacheOutBuf, ilen, + DMA_FROM_DEVICE); + if (outaddr == 0) { + pr_err("transfer buffer is err\n"); + dma_unmap_single(pdrvctl->pdev, addr, ilen, DMA_TO_DEVICE); + return -EFAULT; + } + ulsendlen = (UserCommuData->usInputLen / 8); + ulsendlen = (ulsendlen & 0x00000000ffffffff) << 32; + write_lock_irqsave(&(pdrvctl->mr_lock), ulflag); + HandleWrite64(pdrvctl, SE_WRITE_REG1, ulsendlen); + HandleWrite64(pdrvctl, SE_WRITE_REG2, addr); + HandleWrite64(pdrvctl, SE_WRITE_REG3, outaddr); + write_unlock_irqrestore(&(pdrvctl->mr_lock), ulflag); + if (g_iUseIntr != 0) { + if (down_interruptible(&g_lowirqsema) == -EINTR) { + count = -EINTR; + goto EXIT; + } + } else { + unsigned long start_jiffies = 0, end_jiffies = 0; + int64_t ulIntStat = 0; + + start_jiffies = jiffies; + end_jiffies = jiffies; + while (1) { + write_lock_irqsave(&(pdrvctl->mr_lock), ulflag); + HandleRead64(pdrvctl, SE_LOWREG_SR, &ulIntStat); + end_jiffies = jiffies; + if (ulIntStat == 1) { + HandleWrite64(pdrvctl, SE_LOWREG_SR, 0); + write_unlock_irqrestore(&(pdrvctl->mr_lock), + ulflag); + break; + } + write_unlock_irqrestore(&(pdrvctl->mr_lock), ulflag); + if (jiffies_to_msecs(end_jiffies - start_jiffies) / + 1000 >= + 90) { + count = -EFAULT; + goto EXIT; + } + } + } + dma_unmap_single(pdrvctl->pdev, addr, ilen, DMA_TO_DEVICE); + dma_unmap_single(pdrvctl->pdev, outaddr, ilen, DMA_FROM_DEVICE); + if (UserCommuData->usOutputLen) { + if (iskernel == 0) { + if (wst_cpyusrbuf( + UserCommuData->pucOutbuf, m_pCacheOutBuf, + UserCommuData->usOutputLen, WRITEUBUF)) + return -EFAULT; + } else + memcpy(UserCommuData->pucOutbuf, m_pCacheOutBuf, + UserCommuData->usOutputLen); + } + return count; +EXIT: + dma_unmap_single(pdrvctl->pdev, addr, ilen, DMA_TO_DEVICE); + dma_unmap_single(pdrvctl->pdev, outaddr, ilen, DMA_FROM_DEVICE); + return count; +} + +static ssize_t se_userwrite(struct file *file, const char *buf, size_t count, + loff_t *ppos) +{ + unsigned char *pCacheBuf = NULL, *pCacheOutBuf = NULL, + *pCacheBufalign = NULL, *pCacheOutBufalign = NULL; + struct tagSEdrvctl *pdrvctl = NULL; + struct tagSWCOMMUDATA *pCommuData = NULL; + int iCommuDatalen = 0; + int pucRetCode = 0; + unsigned short iChannel = 0; + unsigned char ucFlag = 0, ucOpCode = 0; + int *ppucRetCode; + struct completion mycomplete; + struct tag_dma_buf_ctl *pbufinctl = NULL; + int iret = 0; + + if (count == 0) { + pr_err("count=0\n"); + return SE_OK; + } + + if (MINOR(file->f_path.dentry->d_inode->i_rdev) != 0) + return -ENODEV; + + iCommuDatalen = sizeof(struct tagSWCOMMUDATA); + if (count != iCommuDatalen) + return -EINVAL; + + pdrvctl = g_psechipDrvCtrl; + pCommuData = kmalloc(iCommuDatalen, GFP_KERNEL); + if (!pCommuData) { + pr_err("pCommuData NULL\n"); + return -ENOMEM; + } + if (wst_cpyusrbuf((void *)buf, (void *)pCommuData, iCommuDatalen, + READUBUF)) { + pr_err("copy user data error\n"); + count = -EFAULT; + goto EXIT; + } + switch ((pCommuData->usFlags) & 0x000f) { + case WST_GO_CHANNEL2: + if ((pCommuData->usInputLen > DMA_BUFSIZE) || + (pCommuData->usOutputLen > DMA_BUFSIZE)) { + pr_err("len is error\n"); + count = -EINVAL; + goto EXIT; + } + if (down_interruptible(&g_lowsema) == -EINTR) { + count = -EINTR; + goto EXIT; + } + count = wst_low_channel_userwrite_op(pdrvctl, pCommuData, 0); + up(&g_lowsema); + goto EXIT; + case WST_GO_CHANNEL0: + if (pCommuData->usInputLen == 0) { + count = -EINVAL; + goto EXIT; + } + if (pCommuData->usInputLen != 0) { + if (pCommuData->usInputLen > DMA_BUFSIZE) { + count = -EINVAL; + goto EXIT; + } + ucFlag = INPUT_VALID; + if (pCommuData->usOutputLen) + ucFlag |= OUTPUT_VALID; + } + + iChannel = 0; + ucOpCode = 0x0; + break; + case WST_GO_CHANNEL1: + if (pCommuData->usInputLen == 0) { + count = -EINVAL; + goto EXIT; + } + if (pCommuData->usInputLen != 0) { + if (pCommuData->usInputLen > DMA_BUFSIZE) { + count = -EINVAL; + goto EXIT; + } + ucFlag = INPUT_VALID; + if (pCommuData->usOutputLen) + ucFlag |= OUTPUT_VALID; + } + iChannel = 1; + ucOpCode = 0x0; + break; + default: { + count = -EINVAL; + goto EXIT; + } + } + pbufinctl = se_get_dma_buf(0); + if (pbufinctl == NULL) { + pr_err("kmalloc pCacheBuf error\n"); + count = -ENOMEM; + goto EXIT; + } + pCacheBuf = pbufinctl->pDmaBuf; + pCacheBufalign = pCacheBuf; + + if (wst_cpyusrbuf((void *)(pCommuData->pucInbuf), + (void *)pCacheBufalign, pCommuData->usInputLen, + READUBUF)) { + pr_err("cpyuserbuf pCacheBufalign error\n"); + count = -ENOMEM; + goto EXIT; + } + + pCacheOutBuf = pbufinctl->pDmaBuf; + pCacheOutBufalign = pCacheOutBuf; + + ppucRetCode = &pucRetCode; + + count = SE_OK; + init_completion(&mycomplete); + iret = se_hardtrans(pdrvctl, pCacheBufalign, pCommuData->usInputLen, + pCacheOutBufalign, &(pCommuData->usOutputLen), + iChannel, ucFlag, ucOpCode, + (unsigned char *)ppucRetCode, 0, 0, 0, &mycomplete); + if (iret == -1) { + count = -EIO; + goto EXIT; + } + if (!wait_for_completion_timeout(&mycomplete, + msecs_to_jiffies(60 * 1000))) { + count = -EFAULT; + goto EXIT; + } + if (pucRetCode != SE_OK) { + count = -(SE_BASEERR + pucRetCode); + goto EXIT; + } + + if (pCommuData->pucOutbuf) { + if (wst_cpyusrbuf(pCommuData->pucOutbuf, pCacheOutBufalign, + pCommuData->usOutputLen, WRITEUBUF)) { + count = -EFAULT; + goto EXIT; + } + } +EXIT: + if (pbufinctl) + se_free_dma_buf(pbufinctl); + kfree(pCommuData); + return count; +} +static void globalmem_do_rec_op(struct work_struct *p) +{ + struct ST_INT_MESSAGE *intmessage; + unsigned long ulflags1; + + while (1) { + spin_lock_irqsave(&g_reclistlock, ulflags1); + intmessage = + (struct ST_INT_MESSAGE *)wst_Popfront_Que(&g_RecQueueContainer); + spin_unlock_irqrestore(&g_reclistlock, ulflags1); + if (!intmessage) + return; + intmessage->pcallback(intmessage->pParma); + kfree(intmessage); + } +} +static irqreturn_t se_interrupt(int irq, void *p) +{ + struct tagSEdrvctl *pdrvctl; + struct tagSEBasicBD *pCurBD; + unsigned int ulCurrReadPtr, ulReadPtr; + int iChannel; + int len = 0; + int i; + unsigned char ucMyRetCode = 0; + unsigned long ulIntStat; + int istatus[2] = { 1, 2 }; + unsigned long ulflags; + + pdrvctl = p; + if (!pdrvctl) + return IRQ_HANDLED; + + read_lock_irqsave(&(pdrvctl->mr_lock), ulflags); + HandleRead32(pdrvctl, SE_REG_STS, &ulIntStat); + read_unlock_irqrestore(&(pdrvctl->mr_lock), ulflags); + if ((!(ulIntStat & INT_STAT_DMA_MASK)) || (ulIntStat == 0xffffffff)) + return IRQ_HANDLED; + + i = 0; +loop: + if (ulIntStat & istatus[i]) { + if (i == 0) { + read_lock_irqsave(&(pdrvctl->mr_lock), ulflags); + HandleWrite32(pdrvctl, SE_INT_CLR, 1); + HandleRead32(pdrvctl, SE_REG_RQRP0, &ulReadPtr); + read_unlock_irqrestore(&(pdrvctl->mr_lock), ulflags); + iChannel = 0; + } else { + read_lock_irqsave(&(pdrvctl->mr_lock), ulflags); + HandleWrite32(pdrvctl, SE_INT_CLR, 2); + HandleRead32(pdrvctl, SE_REG_RQRP1, &ulReadPtr); + read_unlock_irqrestore(&(pdrvctl->mr_lock), ulflags); + iChannel = 1; + } + } else { + if (i == 0) { + i++; + goto loop; + } else + return IRQ_HANDLED; + } + ulCurrReadPtr = pdrvctl->ulCurrReadPtr[iChannel]; +loop2: + if (ulCurrReadPtr != ulReadPtr) { + pCurBD = &((struct tagSEBasicBD *)(pdrvctl->ulBDMemBase[iChannel])) + [ulCurrReadPtr]; + if ((pCurBD->ucRetCode == 0x0f) || + ((pCurBD->ucFlag & 0x8) != 0x8)) { + goto loop2; + } else { + if (pdrvctl->ulInputPtr[iChannel][ulCurrReadPtr] == + pdrvctl->ulOutputPtr[iChannel][ulCurrReadPtr]) { + if (pdrvctl->ulOutputPtr[iChannel] + [ulCurrReadPtr]) { + len = (*(pdrvctl->pusOutlen + [iChannel] + [ulCurrReadPtr])) >= + pdrvctl->usInlen + [iChannel] + [ulCurrReadPtr] ? + (*(pdrvctl->pusOutlen + [iChannel] + [ulCurrReadPtr])) : + pdrvctl->usInlen + [iChannel] + [ulCurrReadPtr]; + dma_unmap_single( + pdrvctl->pdev, + (unsigned long)(pdrvctl->ulOutputPtr + [iChannel] + [ulCurrReadPtr]), + len, DMA_BIDIRECTIONAL); + pCurBD->ulOutputLPtr = 0; + pCurBD->ulOutputHPtr = 0; + pCurBD->ulInputHPtr = 0; + pCurBD->ulInputLPtr = 0; + pdrvctl->ulOutputPtr[iChannel] + [ulCurrReadPtr] = 0; + } + } else { + if (pdrvctl->ulOutputPtr[iChannel] + [ulCurrReadPtr]) { + dma_unmap_single( + pdrvctl->pdev, + (unsigned long)(pdrvctl->ulOutputPtr + [iChannel] + [ulCurrReadPtr]), + *(pdrvctl->pusOutlen + [iChannel] + [ulCurrReadPtr]), + DMA_FROM_DEVICE); + /* WMB */ + smp_wmb(); + pdrvctl->ulOutputPtr[iChannel] + [ulCurrReadPtr] = 0; + } + if (pdrvctl->ulInputPtr[iChannel] + [ulCurrReadPtr]) { + dma_unmap_single( + pdrvctl->pdev, + (unsigned long)(pdrvctl->ulInputPtr + [iChannel] + [ulCurrReadPtr]), + pdrvctl->usInlen[iChannel] + [ulCurrReadPtr], + DMA_TO_DEVICE); + pdrvctl->ulInputPtr[iChannel] + [ulCurrReadPtr] = 0; + } + } + ucMyRetCode = pCurBD->ucRetCode; + memcpy(pdrvctl->pucRetCode[iChannel][ulCurrReadPtr], + &ucMyRetCode, 1); + if (pCurBD->ucRetCode != SE_OK) + pr_info("\nstatus %x\n", pCurBD->ucRetCode); +#ifdef CONFIG_MIPS + atomic_sub(((*(pdrvctl->pusOutlen[iChannel] + [ulCurrReadPtr])) + + SE_FILL_LEN), + &g_sendtotallen); +#endif + if ((pdrvctl->ikernel)[iChannel][ulCurrReadPtr] != 0) { + if (pdrvctl->pcallback[iChannel][ulCurrReadPtr]) { + struct ST_INT_MESSAGE *intmessage = NULL; + unsigned long ulflags1; + + intmessage = + kmalloc(sizeof(struct ST_INT_MESSAGE), + GFP_ATOMIC); + if (!intmessage) + return IRQ_HANDLED; + intmessage->pcallback = + pdrvctl->pcallback[iChannel] + [ulCurrReadPtr]; + intmessage->pParma = + pdrvctl->pParma[iChannel] + [ulCurrReadPtr]; + spin_lock_irqsave(&g_reclistlock, + ulflags1); + wst_Pushback_Que(&g_RecQueueContainer, + intmessage); + spin_unlock_irqrestore(&g_reclistlock, + ulflags1); + queue_work(g_workrecqueue, &g_recwork); + } + } else { + complete(pdrvctl->stsemphore[iChannel] + [ulCurrReadPtr]); + } + ulCurrReadPtr = + ((ulCurrReadPtr + 1) & (SE_BDQUEUE_LEN - 1)); + pdrvctl->ulCurrReadPtr[iChannel] = ulCurrReadPtr; + pdrvctl->ulCurrBdReadPtr[iChannel] = ulCurrReadPtr; + if (pdrvctl->sema.count <= 0) + up(&(pdrvctl->sema)); + } + } + if (i == 0) { + i++; + goto loop; + } else + return IRQ_HANDLED; + + return IRQ_HANDLED; +} + +static int se_userrelease(struct inode *inode, struct file *file) +{ + return SE_OK; +} + +ssize_t se_kernelwrite(unsigned char *pInPtr, unsigned short usInlen, + unsigned char *pOutPtr, unsigned short *pusOutlen, + unsigned char ucFlag, unsigned char *pucRetCode, + PSECallBackfn pcallback, void *pParma) +{ + int iret; + struct tagSEdrvctl *pdrvctl; + int iChannel; + unsigned char ucOpCode; + struct tagSWCOMMUDATA CommuData; + + pdrvctl = g_psechipDrvCtrl; + + switch (ucFlag) { + case WST_GO_CHANNEL2: { + CommuData.pucInbuf = pInPtr; + CommuData.pucOutbuf = pOutPtr; + CommuData.usFlags = 0; + CommuData.usInputLen = usInlen; + CommuData.usOutputLen = *pusOutlen; + CommuData.usReserve = 0; + if (down_interruptible(&g_lowsema) == -EINTR) + return -EINTR; + iret = wst_low_channel_userwrite_op(pdrvctl, &CommuData, 1); + up(&g_lowsema); + return iret; + } + case WST_GO_CHANNEL0: + if (pcallback == NULL) + return WST_SE_PARAM_ERROR; + if (usInlen == 0) + return -EINVAL; + ucFlag = 0; + if (usInlen != 0) { + if (usInlen > DMA_BUFSIZE) + return -EINVAL; + ucFlag = INPUT_VALID; + if (*pusOutlen) + ucFlag |= OUTPUT_VALID; + } + iChannel = 0; + ucOpCode = 0x0; + break; + case WST_GO_CHANNEL1: + if (pcallback == NULL) + return WST_SE_PARAM_ERROR; + if (usInlen == 0) + return -EINVAL; + ucFlag = 0; + if (usInlen != 0) { + if (usInlen > DMA_BUFSIZE) + return -EINVAL; + ucFlag = INPUT_VALID; + if (*pusOutlen) + ucFlag |= OUTPUT_VALID; + } + iChannel = 1; + ucOpCode = 0x0; + break; + default: + return -EINVAL; + } + iret = se_hardtrans(pdrvctl, pInPtr, usInlen, pOutPtr, pusOutlen, + iChannel, ucFlag, ucOpCode, pucRetCode, pcallback, + pParma, 1, NULL); + if (iret == -1) + return -EIO; + + return SE_OK; +} +EXPORT_SYMBOL(se_kernelwrite); + +static long se_userioctl(struct file *filp, u_int cmd, u_long arg) +{ + long iret = SE_OK; + struct tagSEdrvctl *pdrvctl = g_psechipDrvCtrl; + unsigned long ulvalue; + + HandleRead64(pdrvctl, 0x120, &ulvalue); + pr_info("read reg value is 0x%lx in offset 120\n", ulvalue); + HandleRead64(pdrvctl, 0x118, &ulvalue); + pr_info("read reg value is 0x%lx in offset 118\n", ulvalue); + + return iret; +} + +static const struct file_operations SE_fops = { .owner = THIS_MODULE, + .write = se_userwrite, + .open = se_useropen, + .release = se_userrelease, + .unlocked_ioctl = se_userioctl, + .compat_ioctl = se_userioctl }; + +int se_chip_load(void) +{ + int iRes = SE_OK; + + if (g_isechip_Major >= 0) + return WST_SE_HAS_OPEN; + g_psechipDrvCtrl = NULL; + iRes = se_init_dma_buf(DMA_BUFSIZE, CTL_DMABUFNUM); + if (iRes != SE_OK) + return WST_SE_ERROR_MALLOC; + iRes = register_chrdev(0, CRYNAME, &SE_fops); + if (iRes < 0) + goto EXIT; + + g_isechip_Major = iRes; + iRes = 0; + g_psecclass = class_create(CRYNAME); + if (IS_ERR(g_psecclass)) { + iRes = PTR_ERR(g_psecclass); + goto EXIT; + } + g_psecdev = device_create(g_psecclass, NULL, MKDEV(g_isechip_Major, 0), + NULL, CRYNAME); + if (IS_ERR(g_psecdev)) { + iRes = PTR_ERR(g_psecdev); + goto EXIT; + } + iRes = wst_init(); + if (iRes != SE_OK) + goto EXIT; + + sema_init(&g_lowsema, 1); + sema_init(&g_lowirqsema, 0); + atomic_set(&g_sendtotallen, 0); + g_pCacheInBuf = (unsigned char *)__get_free_page(GFP_DMA); + if (IS_ERR(g_pCacheInBuf)) { + iRes = PTR_ERR(g_pCacheInBuf); + goto EXIT; + } + g_pCacheOutBuf = (unsigned char *)__get_free_page(GFP_DMA); + if (IS_ERR(g_pCacheOutBuf)) { + iRes = PTR_ERR(g_pCacheOutBuf); + goto EXIT; + } + + g_worksendqueue = + alloc_workqueue("seworksendqueue", + WQ_MEM_RECLAIM | __WQ_ORDERED | WQ_UNBOUND, 1); + if (IS_ERR(g_worksendqueue)) { + iRes = PTR_ERR(g_worksendqueue); + goto EXIT; + } + g_workrecqueue = alloc_workqueue("seworkrecqueue", + WQ_MEM_RECLAIM | __WQ_ORDERED, 0); + if (IS_ERR(g_workrecqueue)) { + iRes = PTR_ERR(g_workrecqueue); + goto EXIT; + } + INIT_WORK(&g_recwork, globalmem_do_rec_op); + INIT_WORK(&g_sendwork, globalmem_do_send_op); + pr_info("this driver version is %s\n", DRIVER_VERSION); + + return SE_OK; +EXIT: + se_del_dma_buf(); + if (g_pCacheInBuf) { + free_page((unsigned long)g_pCacheInBuf); + g_pCacheInBuf = NULL; + } + if (g_pCacheOutBuf) { + free_page((unsigned long)g_pCacheOutBuf); + g_pCacheOutBuf = NULL; + } + if (g_worksendqueue) { + destroy_workqueue(g_worksendqueue); + g_worksendqueue = NULL; + } + if (g_workrecqueue) { + destroy_workqueue(g_workrecqueue); + g_workrecqueue = NULL; + } + wst_clear(); + if (g_psecdev) { + device_unregister(g_psecdev); + g_psecdev = NULL; + } + if (g_psecclass) { + class_destroy(g_psecclass); + g_psecclass = NULL; + } + if (g_isechip_Major >= 0) { + unregister_chrdev(g_isechip_Major, CRYNAME); + g_isechip_Major = -1; + } + return iRes; +} + +void se_chip_unload(void) +{ + struct tagSEdrvctl *pdrvctl = NULL; + + pdrvctl = g_psechipDrvCtrl; + + up(&pdrvctl->sema); + if (g_pCacheInBuf) { + free_page((unsigned long)g_pCacheInBuf); + g_pCacheInBuf = NULL; + } + if (g_pCacheOutBuf) { + free_page((unsigned long)g_pCacheOutBuf); + g_pCacheOutBuf = NULL; + } + if (g_worksendqueue) { + cancel_work_sync(&g_sendwork); + destroy_workqueue(g_worksendqueue); + g_worksendqueue = NULL; + } + if (g_workrecqueue) { + cancel_work_sync(&g_recwork); + destroy_workqueue(g_workrecqueue); + g_workrecqueue = NULL; + } + wst_clear(); + if (g_psecdev) { + device_destroy(g_psecclass, MKDEV(g_isechip_Major, 0)); + g_psecdev = NULL; + } + if (g_psecclass) { + class_destroy(g_psecclass); + g_psecclass = NULL; + } + if (g_isechip_Major >= 0) { + unregister_chrdev(g_isechip_Major, CRYNAME); + g_isechip_Major = -1; + } + se_del_dma_buf(); +} + +static int loongson_cryp_get_irq(struct platform_device *pdev, char *pat) +{ + int i; + struct resource *res = pdev->resource; + + for (i = 0; i < pdev->num_resources; i++) { + if (strcmp(res[i].name, pat) == 0) + return res[i].start; + } + return -1; +} +static int loongson_cryp_probe(struct platform_device *pdev) +{ + int i; + + if (ACPI_COMPANION(&pdev->dev)) { + se_irq[0].irq = platform_get_irq(pdev, 1); + se_irq[1].irq = platform_get_irq(pdev, 0); + } else { + for (i = 0; i < pdev->num_resources; i++) { + se_irq[i].irq = + loongson_cryp_get_irq(pdev, se_irq[i].pat); + if (se_irq[i].irq < 0) { + pr_warn("ERROR:sedriver get irq failed\n"); + return -1; + } + } + } + + return se_chip_load(); +} +static int loongson_cryp_remove(struct platform_device *pdev) +{ + se_chip_unload(); + return 0; +} +static int loongson_cryp_suspend(struct platform_device *pdev, + pm_message_t state) +{ + g_suspend = 1; + cancel_work_sync(&g_recwork); + cancel_work_sync(&g_sendwork); + flush_work(&g_recwork); + flush_work(&g_sendwork); + se_chip_unload(); + return 0; +} + +static int loongson_cryp_resume(struct platform_device *pdev) +{ + int i; + + g_suspend = 0; + g_worksendqueue = NULL; + g_workrecqueue = NULL; + g_isechip_Major = -1; + g_pCacheInBuf = NULL; + g_pCacheOutBuf = NULL; + g_iUseIntr = 1; + spin_lock_init(&g_reclistlock); + spin_lock_init(&g_sendlistlock); + spin_lock_init(&g_getdmabuflock); + + for (i = 0; i < pdev->num_resources; i++) { + se_irq[i].irq = loongson_cryp_get_irq(pdev, se_irq[i].pat); + + if (se_irq[i].irq < 0) { + pr_warn("ERROR:sedriver get irq failed\n"); + return -1; + } + } + se_chip_load(); + return 0; +} + +static const struct acpi_device_id loongson_cryp_acpi_match[] = { { "LOON0003" }, + {} }; +MODULE_DEVICE_TABLE(acpi, loongson_cryp_acpi_match); + +static struct platform_driver loongson_cryp_driver = { + .probe = loongson_cryp_probe, + .remove = loongson_cryp_remove, + .suspend = loongson_cryp_suspend, + .resume = loongson_cryp_resume, + .driver = { + .name = "loongson3_crypto", + .acpi_match_table = ACPI_PTR(loongson_cryp_acpi_match), + }, +}; + +static int __init initmodule(void) +{ + return platform_driver_register(&loongson_cryp_driver); +} + +static void __exit exitmodule(void) +{ + platform_driver_unregister(&loongson_cryp_driver); +} + +module_init(initmodule); +module_exit(exitmodule); + +MODULE_ALIAS("platform:loongson3_crypto"); +MODULE_AUTHOR("dcm"); +MODULE_DESCRIPTION("se encryption chip driver Co westone"); +MODULE_VERSION(DRIVER_VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/crypto/sedriver/wst_se_echip_driver.h b/drivers/crypto/sedriver/wst_se_echip_driver.h new file mode 100644 index 000000000000..4371738da465 --- /dev/null +++ b/drivers/crypto/sedriver/wst_se_echip_driver.h @@ -0,0 +1,169 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _WST_SE_ECHIP_DRIVER_H +#define _WST_SE_ECHIP_DRIVER_H +#include "wst_se_ktrans.h" + +#define CRYNAME "wst-se" + +#define SWBUFNUM 512 +#define SWCHANNELNUM 2 +#define CTL_DMABUFNUM 512 + +#define DMA_MASK 0xffffffff +#define SE_DMA_CONTROL_RESET 0x80000000 +#define SE_DMA_CONTROL_SET 0x00000000 + +#define SE_BASEERR 1000 + +#define SE_MAX_SEND_LEN (3 * 2048) +#define SE_FILL_LEN 48 +#define SE_BD_LENGTH sizeof(struct tagSEBasicBD) +#define SE_BDQUEUE_LEN SWBUFNUM +#define DMA0_CTRL_CHANNEL_ENABLE 1 +#define DMA0_CTRL_CHANNEL_DISABLE 0xfffffffe +#define DMA1_CTRL_CHANNEL_ENABLE 2 +#define DMA1_CTRL_CHANNEL_DISABLE 0xfffffffd + +#define SE_REG_RESET 0 +#define SE_REG_STS 0x08 +#define SE_INT_CTRL 0x10 +#define SE_REG_MSK 0x18 +#define SE_INT_CLR 0x20 + +#define SE_LREG_BQBA0 0x100 +#define SE_HREG_BQBA0 0x108 +#define SE_REG_BQS0 0x110 +#define SE_REG_BQWP0 0x118 +#define SE_REG_RQRP0 0x120 + +#define SE_LREG_BQBA1 0x128 +#define SE_HREG_BQBA1 0x130 +#define SE_REG_BQS1 0x138 +#define SE_REG_BQWP1 0x140 +#define SE_REG_RQRP1 0x148 + +#define SE_WRITE_REG1 0x200 +#define SE_WRITE_REG2 0x208 +#define SE_WRITE_REG3 0x210 +#define SE_LOWREG_STS 0x240 +#define SE_LOWINT_CLEAR 0x248 +#define SE_LOWREG_INQ 0x1600 +#define SE_LOWREG_SR 0x1608 +#define INPUT_VALID 0x4 +#define OUTPUT_VALID 0x8 +#define SE_LOWINT_CLR 0x228 +#define INT_STAT_DMA0_PACK_DONE 1 +#define INT_STAT_DMA1_PACK_DONE 2 +#define INT_STAT_DMA_MASK (INT_STAT_DMA0_PACK_DONE | INT_STAT_DMA1_PACK_DONE) + +struct tagSEdrvctl { + unsigned long ulMemBase; + struct device *pdev; + struct device dev; + unsigned int ulCurrBdReadPtr[SWCHANNELNUM]; + unsigned int ulCurrBdWritePtr[SWCHANNELNUM]; + unsigned int ulCurrReadPtr[SWCHANNELNUM]; + unsigned int ulCurrWritePtr[SWCHANNELNUM]; + PSECallBackfn pcallback[SWCHANNELNUM][SWBUFNUM]; + void *pParma[SWCHANNELNUM][SWBUFNUM]; + struct completion *stsemphore[SWCHANNELNUM][SWBUFNUM]; + int ikernel[SWCHANNELNUM][SWBUFNUM]; + unsigned long ulBDMemBasePhy[SWCHANNELNUM]; + unsigned long ulBDMemBase[SWCHANNELNUM]; + unsigned short *pusOutlen[SWCHANNELNUM][SWBUFNUM]; + unsigned short usInlen[SWCHANNELNUM][SWBUFNUM]; + unsigned long *ulOutputPtr[SWCHANNELNUM][SWBUFNUM]; + unsigned long *ulInputPtr[SWCHANNELNUM][SWBUFNUM]; + unsigned char *pucRetCode[SWCHANNELNUM][SWBUFNUM]; + rwlock_t mr_lock; + rwlock_t mr_lowlock; + spinlock_t readlock; + struct semaphore sema; + int iIrq; + int ilowIrq; +}; + +struct tagSEBasicBD { + unsigned int ucOpCode : 4, ucFlag : 4, ucRetCode : 8, ucInCtxLength : 8, + ucOutCtxLength : 8; + unsigned int usInputLength : 16, usOutputLength : 16; + unsigned int ulCtxLPtr; + unsigned int ulCtxHPtr; + unsigned int ulInputLPtr; + unsigned int ulInputHPtr; + unsigned int ulOutputLPtr; + unsigned int ulOutputHPtr; + +}; + +#define SW_CONT_BUF_SIZE 0x100 +#define DMA_BUFSIZE 0x1000 + +#define PAGE_NUM (DMA_BUFSIZE / PAGE_SIZE + 1) + +struct _SW_GET_STAT { + unsigned long TXD; + unsigned long RXD; +}; + +DEFINE_SPINLOCK(g_writelock); + +#define HandleRead32(handle, addr, pData) \ + do { /* MB */ \ + smp_mb(); \ + *(pData) = readl((void *)(handle->ulMemBase + addr)); \ + } while (0) + +#define HandleWrite32(handle, addr, value) \ + do { \ + writel(value, (void *)(handle->ulMemBase + addr)); \ + /* MB */ \ + smp_mb(); \ + } while (0) + +#define HandleRead64(handle, addr, pData) \ + do { /* MB */ \ + smp_mb(); \ + *(pData) = readq((void *)(handle->ulMemBase + addr)); \ + } while (0) + +#define HandleWrite64(handle, addr, value) \ + do { \ + writeq(value, (void *)(handle->ulMemBase + addr)); \ + /* MB */ \ + smp_mb(); \ + } while (0) + +#define SPRINTF sprintf + +#define HIULONG(w) \ + ((unsigned int)((((unsigned long long)w) >> 32) & 0x00000000ffffffff)) +#define LOULONG(w) ((unsigned int)((unsigned long long)w) & 0x00000000ffffffff) + +#define HIBYTE(w) ((unsigned char)(((unsigned short)(w) >> 8) & 0xFF)) +#define LOBYTE(w) ((unsigned char)(w)) + +struct ST_SEND_PACKAGE { + struct list_head list; + struct tagSEdrvctl *pdrvctl; + unsigned char *pInPtr; + unsigned short usInlen; + unsigned char *pOutPtr; + unsigned short *pusOutlen; + int iChannel; + unsigned char ucFlag; + unsigned char ucOpCode; + unsigned char *pucRetCode; + PSECallBackfn pcallback; + void *pParma; + int iKernel; + struct completion *mycomplete; + unsigned long ulendtime; +}; + +struct ST_INT_MESSAGE { + struct list_head list; + PSECallBackfn pcallback; + void *pParma; +}; +#endif diff --git a/drivers/crypto/sedriver/wst_se_ktrans.h b/drivers/crypto/sedriver/wst_se_ktrans.h new file mode 100644 index 000000000000..2eea0f1f2d1e --- /dev/null +++ b/drivers/crypto/sedriver/wst_se_ktrans.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _WST_SE_KTRANS_H +#define _WST_SE_KTRANS_H + +#include "wst_se_common_type.h" +#include "wst_se_define.h" + +struct tagSWCOMMUDATA { + unsigned short usFlags; + unsigned short usInputLen; + unsigned short usOutputLen; + unsigned short usReserve; + unsigned char *pucInbuf; + unsigned char *pucOutbuf; +}; + +#endif -- 2.33.0

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[PATCH OLK-6.6 0/5] drm: LoongArch: fix rx550/gfx6/gfx7/gfx8 error
by Hongchen Zhang 14 May '25

14 May '25

Tianrui Zhao (3): drm/amdgpu: Fix pcie order dislocation drm/amdgpu: make duplicated EOP packet for GFX6 have real content drm/amdgpu: Fix RX550 pcie order dislocation. lvjianmin (2): drm/radeon: repeat the same EOP packet for EOP workaround on CIK drm/amdgpu: make duplicated EOP packet for GFX7/8 have real content drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 5 + drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 161 ++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 6 + drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 4 + drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | 3 + drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 19 +++ drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 6 + drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 6 + drivers/gpu/drm/radeon/cik.c | 4 + 9 files changed, 214 insertions(+) -- 2.33.0

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