LCOV - code coverage report
Current view: top level - avtg/drivers/scsi/scsi_mod.ko/linux:drivers:clk2/weaver - scsi_proc.c.aux (source / functions) Hit Total Coverage
Test: coverage.info Lines: 87 89 97.8 %
Date: 2017-01-25 Functions: 9 9 100.0 %

          Line data    Source code
       1             : 
       2             : struct device;
       3             : 
       4             : void *ldv_dev_get_drvdata(const struct device *dev);
       5             : int ldv_dev_set_drvdata(struct device *dev, void *data);
       6             : 
       7             : struct spi_master;
       8             : struct device;
       9             : struct spi_master *ldv_spi_alloc_master(struct device *host, unsigned size);
      10             : 
      11             : #include <linux/ldv/err.h>
      12             : 
      13             : #include <linux/types.h>
      14             : void *ldv_kzalloc(size_t size, gfp_t flags);
      15             : 
      16             : struct clk;
      17             : 
      18             : extern void ldv_clk_disable(struct clk *clk);
      19             : extern int ldv_clk_enable(void);
      20             : 
      21             : #include <linux/ldv/common.h>
      22             : #include <linux/ldv/irq.h>
      23             : #include <verifier/common.h>
      24             : #include <verifier/nondet.h>
      25             : #include <verifier/memory.h>
      26             : #include <verifier/thread.h>
      27             : 
      28             : #include <linux/device.h>
      29             : #include <linux/cdev.h>
      30             : #include <linux/miscdevice.h>
      31             : #include <linux/platform_device.h>
      32             : #include <linux/pm.h>
      33             : #include <linux/rtc.h>
      34             : #include <scsi/scsi_host.h>
      35             : #include <linux/fs.h>
      36             : #include <linux/seq_file.h>
      37             : #include <linux/pagemap.h>
      38             : 
      39             : 
      40             : struct ldv_struct_platform_instance_4 {
      41             :  int signal_pending;
      42             : };
      43             : 
      44             : struct ldv_struct_traverse_kernel_items_scenario_10 {
      45             :  struct seq_file *arg0;
      46             :  struct seq_operations *arg1;
      47             :  int signal_pending;
      48             : };
      49             : 
      50             : /* EMG Function declarations */
      51             : void ldv_character_driver_scenario_1(void *);
      52             : void ldv_character_driver_scenario_callback_1_22(ssize_t (*)(struct file *, char *, size_t , loff_t *), struct file *, char *, long unsigned int, loff_t *);
      53             : void ldv_character_driver_scenario_callback_1_5(loff_t (*)(struct file *, loff_t , int), struct file *, long long int, int);
      54             : void ldv_character_driver_scenario_callback_2_22(ssize_t (*)(struct file *, char *, size_t , loff_t *), struct file *, char *, long unsigned int, loff_t *);
      55             : void ldv_character_driver_scenario_callback_2_5(loff_t (*)(struct file *, loff_t , int), struct file *, long long int, int);
      56             : int ldv_character_driver_scenario_probe_1_13(int (*)(struct inode *, struct file *), struct inode *, struct file *);
      57             : void ldv_character_driver_scenario_release_1_2(int (*)(struct inode *, struct file *), struct inode *, struct file *);
      58             : void ldv_character_driver_scenario_write_1_4(ssize_t (*)(struct file *, char *, size_t , loff_t *), struct file *, char *, long unsigned int, loff_t *);
      59             : void ldv_traverse_kernel_items_scenario_show_10_6(int (*)(struct seq_file *, void *), struct seq_file *, void *);
      60             : 
      61             : /* EMG variable declarations */
      62           1 : struct ldv_thread ldv_thread_1;
      63             : 
      64             : /* EMG variable initialization */
      65             : 
      66             : /* EMG function definitions */
      67             : /* AUX_FUNC ldv_character_driver_scenario_1 */
      68             : void ldv_character_driver_scenario_1(void *arg0) {
      69             :  /* LDV {"thread": 1, "type": "CONTROL_FUNCTION_BEGIN", "comment": "Control function 'character_driver_scenario(file_operations)'", "function": "ldv_character_driver_scenario_1"} */
      70           1 :  /* LDV {"type": "CONTROL_FUNCTION_INIT_BEGIN", "comment": "Declare auxiliary variables."} */
      71           1 :  loff_t (*ldv_1_callback_llseek)(struct file *, loff_t , int);
      72           1 :  ssize_t (*ldv_1_callback_read)(struct file *, char *, size_t , loff_t *);
      73           1 :  struct file_operations *ldv_1_container_file_operations;
      74           1 :  char *ldv_1_ldv_param_22_1_default;
      75           1 :  long long int *ldv_1_ldv_param_22_3_default;
      76           1 :  char *ldv_1_ldv_param_4_1_default;
      77           1 :  long long int *ldv_1_ldv_param_4_3_default;
      78           1 :  long long int ldv_1_ldv_param_5_1_default;
      79           1 :  int ldv_1_ldv_param_5_2_default;
      80           1 :  struct file *ldv_1_resource_file;
      81           1 :  struct inode *ldv_1_resource_inode;
      82           1 :  int ldv_1_ret_default;
      83           1 :  long unsigned int ldv_1_size_cnt_write_size;
      84           1 :  /* LDV {"type": "CONTROL_FUNCTION_INIT_END", "comment": "Declare auxiliary variables."} */
      85           1 :  /* Initialize automaton variables */
      86           2 :  ldv_1_ret_default = 1;
      87           1 :  /* LDV {"action": "DEFAULT_REGISTER_2", "type": "RECEIVE_BEGIN", "comment": "Begin FILE_OPERATIONS callbacks invocations scenario."} */
      88           3 :  ldv_free(arg0);
      89           1 :  /* LDV {"action": "DEFAULT_REGISTER_2", "type": "RECEIVE_END"} */
      90           1 : 
      91           1 :  /* LDV {"action": "DEFAULT_ALLOC_2", "type": "CONDITION_BEGIN", "comment": "Allocate memory after default registration."} */
      92           4 :  ldv_1_container_file_operations = ldv_xmalloc_unknown_size(0);
      93           1 :  /* LDV {"action": "DEFAULT_ALLOC_2", "type": "CONDITION_END"} */
      94           1 : 
      95             :  /* LDV {"action": "INIT", "type": "CONDITION_BEGIN", "comment": "Allocate memory for file and inode structures."} */
      96           3 :  ldv_1_resource_file = ldv_xmalloc(sizeof(struct file));
      97           3 :  ldv_1_resource_inode = ldv_xmalloc(sizeof(struct inode));
      98           3 :  ldv_1_size_cnt_write_size = ldv_undef_int();
      99             :  /* LDV {"action": "INIT", "type": "CONDITION_END"} */
     100             : 
     101             :  /* LDV {"action": "MAIN", "type": "SUBPROCESS_BEGIN", "comment": "Device appeared in the system."} */
     102             :  /* LDV {"action": "MAIN", "type": "SUBPROCESS_END"} */
     103             : 
     104             :  /* Jump to a subprocess 'main' initial state */
     105           1 :  goto ldv_main_1;
     106             :  /* End of the process */
     107             :  return;
     108           1 : 
     109             :  /* Sbprocess main */
     110             :  ldv_main_1:
     111             :  /* LDV {"action": null, "type": "ARTIFICIAL", "comment": "Artificial state in scenario"} */
     112             : 
     113           4 :  if (ldv_undef_int()) {
     114             :   /* LDV {"action": "PROBE", "type": "CALL_BEGIN", "callback": true, "comment": "Open the device file. Invoke callback open from file_operations."} */
     115             :   /* LDV {"type": "CALLBACK", "call": "ldv_1_ret_default = ((& proc_scsi_open))(ldv_1_resource_inode, ldv_1_resource_file);", "comment": "probe"} */
     116           2 :   ldv_1_ret_default = ldv_character_driver_scenario_probe_1_13(ldv_1_container_file_operations->open, ldv_1_resource_inode, ldv_1_resource_file);
     117             :   /* Callback post-call */
     118           2 :   ldv_1_ret_default = ldv_filter_err_code(ldv_1_ret_default);
     119             :   /* LDV {"action": "PROBE", "type": "CALL_END"} */
     120             : 
     121           4 :   if (ldv_undef_int()) {
     122             :    /* LDV {"action": "PROBE_SUCCESS", "type": "CONDITION_BEGIN", "comment": "Device file is opened successfully."} */
     123           2 :    ldv_assume(ldv_1_ret_default == 0);
     124             :    /* LDV {"action": "PROBE_SUCCESS", "type": "CONDITION_END"} */
     125             : 
     126             :    /* LDV {"action": "CALL", "type": "SUBPROCESS_BEGIN", "comment": "Device file is opened, ready to read and write."} */
     127             :    /* LDV {"action": "CALL", "type": "SUBPROCESS_END"} */
     128             : 
     129             :    /* Jump to a subprocess 'call' initial state */
     130           1 :    goto ldv_call_1;
     131             :   }
     132             :   else {
     133             :    /* LDV {"action": "PROBE_FAIL", "type": "CONDITION_BEGIN", "comment": "Failed to open devices file."} */
     134           2 :    ldv_assume(ldv_1_ret_default != 0);
     135             :    /* LDV {"action": "PROBE_FAIL", "type": "CONDITION_END"} */
     136             : 
     137             :    /* LDV {"action": "MAIN", "type": "SUBPROCESS_BEGIN", "comment": "Device appeared in the system."} */
     138             :    /* LDV {"action": "MAIN", "type": "SUBPROCESS_END"} */
     139             : 
     140             :    /* Jump to a subprocess 'main' initial state */
     141           1 :    goto ldv_main_1;
     142             :   }
     143             :  }
     144             :  else {
     145             :   /* LDV {"action": "FREE", "type": "CONDITION_BEGIN", "comment": "Free memory of file and inode structures."} */
     146           2 :   ldv_free(ldv_1_resource_file);
     147           2 :   ldv_free(ldv_1_resource_inode);
     148             :   /* LDV {"action": "FREE", "type": "CONDITION_END"} */
     149             : 
     150             :   /* LDV {"action": "DEFAULT_FREE_2", "type": "CONDITION_BEGIN", "comment": "Free memory before default deregistration."} */
     151           2 :   ldv_free(ldv_1_container_file_operations);
     152             :   /* LDV {"action": "DEFAULT_FREE_2", "type": "CONDITION_END"} */
     153             : 
     154             :   /* LDV {"action": "DEFAULT_DEREGISTER_2", "type": "RECEIVE_BEGIN", "comment": "Finish FILE_OPERATIONS callbacks invocations scenario."} */
     155             :   /* Skip a non-replicative signal receiving */
     156             :   /* LDV {"action": "DEFAULT_DEREGISTER_2", "type": "RECEIVE_END"} */
     157             : 
     158             :   /* Exit function at a terminal state */
     159           1 :   return;
     160             :  }
     161             :  /* End of the subprocess 'main' */
     162             :  return;
     163           1 : 
     164             :  /* Sbprocess call */
     165             :  ldv_call_1:
     166             :  /* LDV {"action": null, "type": "ARTIFICIAL", "comment": "Artificial state in scenario"} */
     167             : 
     168           2 :  switch (ldv_undef_int()) {
     169           3 :   case 1: {
     170             :    /* LDV {"action": "PRE_CALL_4", "type": "CONDITION_BEGIN", "comment": "Allocate memory for adhoc callback parameters."} */
     171           3 :    ldv_1_ldv_param_4_1_default = ldv_xmalloc_unknown_size(0);
     172           3 :    ldv_1_ldv_param_4_3_default = ldv_xmalloc_unknown_size(0);
     173             :    /* LDV {"action": "PRE_CALL_4", "type": "CONDITION_END"} */
     174             : 
     175             :    /* LDV {"action": "WRITE", "type": "CALL_BEGIN", "callback": true, "comment": "Write data to the device. Invoke callback write from file_operations."} */
     176             :    /* Callback pre-call */
     177           2 :    ldv_assume(ldv_1_size_cnt_write_size <= (INT_MAX & PAGE_CACHE_MASK));
     178             :    /* LDV {"type": "CALLBACK", "call": "((& proc_scsi_write))(ldv_1_resource_file, ldv_1_ldv_param_4_1_default, ldv_1_size_cnt_write_size, ldv_1_ldv_param_4_3_default);", "comment": "write"} */
     179           3 :    ldv_character_driver_scenario_write_1_4(ldv_1_container_file_operations->write, ldv_1_resource_file, ldv_1_ldv_param_4_1_default, ldv_1_size_cnt_write_size, ldv_1_ldv_param_4_3_default);
     180             :    /* LDV {"action": "WRITE", "type": "CALL_END"} */
     181             : 
     182             :    /* LDV {"action": "POST_CALL_4", "type": "CONDITION_BEGIN", "comment": "Free memory of adhoc callback parameters."} */
     183           2 :    ldv_free(ldv_1_ldv_param_4_1_default);
     184           2 :    ldv_free(ldv_1_ldv_param_4_3_default);
     185             :    /* LDV {"action": "POST_CALL_4", "type": "CONDITION_END"} */
     186             : 
     187             :    /* LDV {"action": "CALL", "type": "SUBPROCESS_BEGIN", "comment": "Device file is opened, ready to read and write."} */
     188             :    /* LDV {"action": "CALL", "type": "SUBPROCESS_END"} */
     189             : 
     190             :    /* Jump to a subprocess 'call' initial state */
     191           1 :    goto ldv_call_1;
     192           1 :    break;
     193             :   }
     194           3 :   case 2: {
     195             :    /* LDV {"action": "RELEASE", "type": "CALL_BEGIN", "callback": true, "comment": "File structure is released. Invoke callback release from file_operations."} */
     196             :    /* LDV {"type": "CALLBACK", "call": "((& single_release))(ldv_1_resource_inode, ldv_1_resource_file);", "comment": "release"} */
     197           2 :    ldv_character_driver_scenario_release_1_2(ldv_1_container_file_operations->release, ldv_1_resource_inode, ldv_1_resource_file);
     198             :    /* LDV {"action": "RELEASE", "type": "CALL_END"} */
     199             : 
     200             :    /* LDV {"action": "MAIN", "type": "SUBPROCESS_BEGIN", "comment": "Device appeared in the system."} */
     201             :    /* LDV {"action": "MAIN", "type": "SUBPROCESS_END"} */
     202             : 
     203             :    /* Jump to a subprocess 'main' initial state */
     204           1 :    goto ldv_main_1;
     205           1 :    break;
     206             :   }
     207           3 :   case 3: {
     208             :    /* LDV {"action": "PRE_CALL_5", "type": "CONDITION_BEGIN", "comment": "Allocate memory for adhoc callback parameters."} */
     209             :    /* LDV {"action": "PRE_CALL_5", "type": "CONDITION_END"} */
     210             : 
     211           4 :    if (ldv_undef_int()) {
     212             :     /* LDV {"action": "PRE_CALL_22", "type": "CONDITION_BEGIN", "comment": "Allocate memory for adhoc callback parameters."} */
     213           3 :     ldv_1_ldv_param_22_1_default = ldv_xmalloc_unknown_size(0);
     214           3 :     ldv_1_ldv_param_22_3_default = ldv_xmalloc_unknown_size(0);
     215             :     /* LDV {"action": "PRE_CALL_22", "type": "CONDITION_END"} */
     216             : 
     217             :     /* LDV {"action": "CALLBACK", "type": "CALL_BEGIN", "callback": true, "comment": "Invoke callback read from file_operations."} */
     218             :     /* LDV {"type": "CALLBACK", "call": "((& seq_read))(ldv_1_resource_file, ldv_1_ldv_param_22_1_default, ldv_1_size_cnt_write_size, ldv_1_ldv_param_22_3_default);", "comment": "callback"} */
     219           2 :     ldv_character_driver_scenario_callback_1_22(ldv_1_callback_read, ldv_1_resource_file, ldv_1_ldv_param_22_1_default, ldv_1_size_cnt_write_size, ldv_1_ldv_param_22_3_default);
     220             :     /* LDV {"action": "CALLBACK", "type": "CALL_END"} */
     221             : 
     222             :     /* LDV {"action": "POST_CALL_22", "type": "CONDITION_BEGIN", "comment": "Free memory of adhoc callback parameters."} */
     223           2 :     ldv_free(ldv_1_ldv_param_22_1_default);
     224           2 :     ldv_free(ldv_1_ldv_param_22_3_default);
     225             :     /* LDV {"action": "POST_CALL_22", "type": "CONDITION_END"} */
     226             : 
     227             :    }
     228             :    else {
     229             :     /* LDV {"action": "CALLBACK", "type": "CALL_BEGIN", "callback": true, "comment": "Invoke callback llseek from file_operations."} */
     230             :     /* LDV {"type": "CALLBACK", "call": "((& seq_lseek))(ldv_1_resource_file, ldv_1_ldv_param_5_1_default, ldv_1_ldv_param_5_2_default);", "comment": "callback"} */
     231           2 :     ldv_character_driver_scenario_callback_1_5(ldv_1_callback_llseek, ldv_1_resource_file, ldv_1_ldv_param_5_1_default, ldv_1_ldv_param_5_2_default);
     232             :     /* LDV {"action": "CALLBACK", "type": "CALL_END"} */
     233             : 
     234             :    }
     235           2 :    break;
     236           1 :   }
     237           2 :   default: ldv_stop();
     238           1 :  }
     239           0 :  /* LDV {"action": "POST_CALL_5", "type": "CONDITION_BEGIN", "comment": "Free memory of adhoc callback parameters."} */
     240             :  /* LDV {"action": "POST_CALL_5", "type": "CONDITION_END"} */
     241           0 : 
     242             :  /* LDV {"action": "CALL", "type": "SUBPROCESS_BEGIN", "comment": "Device file is opened, ready to read and write."} */
     243             :  /* LDV {"action": "CALL", "type": "SUBPROCESS_END"} */
     244             : 
     245             :  /* Jump to a subprocess 'call' initial state */
     246           2 :  goto ldv_call_1;
     247             :  /* Jump to a subprocess 'call' initial state */
     248             :  goto ldv_call_1;
     249             :  /* End of the subprocess 'call' */
     250             :  return;
     251             :  /* LDV {"comment": "End of control function based on process 'character_driver_scenario(file_operations)'", "type": "CONTROL_FUNCTION_END", "function": "ldv_character_driver_scenario_1"} */
     252             : }
     253             : 
     254             : /* AUX_FUNC_CALLBACK ldv_character_driver_scenario_callback_1_22 */
     255             : void ldv_character_driver_scenario_callback_1_22(ssize_t (*arg0)(struct file *, char *, size_t , loff_t *), struct file *arg1, char *arg2, long unsigned int arg3, long long int *arg4) {
     256           1 :  ((& seq_read))(arg1, arg2, arg3, arg4);
     257           1 : }
     258             : 
     259             : /* AUX_FUNC_CALLBACK ldv_character_driver_scenario_callback_1_5 */
     260             : void ldv_character_driver_scenario_callback_1_5(loff_t (*arg0)(struct file *, loff_t , int), struct file *arg1, long long int arg2, int arg3) {
     261           1 :  ((& seq_lseek))(arg1, arg2, arg3);
     262           1 : }
     263             : 
     264             : /* AUX_FUNC_CALLBACK ldv_character_driver_scenario_callback_2_22 */
     265             : void ldv_character_driver_scenario_callback_2_22(ssize_t (*arg0)(struct file *, char *, size_t , loff_t *), struct file *arg1, char *arg2, long unsigned int arg3, long long int *arg4) {
     266           1 :  ((& seq_read))(arg1, arg2, arg3, arg4);
     267           1 : }
     268             : 
     269             : /* AUX_FUNC_CALLBACK ldv_character_driver_scenario_callback_2_5 */
     270             : void ldv_character_driver_scenario_callback_2_5(loff_t (*arg0)(struct file *, loff_t , int), struct file *arg1, long long int arg2, int arg3) {
     271           1 :  ((& seq_lseek))(arg1, arg2, arg3);
     272           1 : }
     273             : 
     274             : /* AUX_FUNC_CALLBACK ldv_character_driver_scenario_probe_1_13 */
     275             : int ldv_character_driver_scenario_probe_1_13(int (*arg0)(struct inode *, struct file *), struct inode *arg1, struct file *arg2) {
     276           3 :  return ((& proc_scsi_open))(arg1, arg2);
     277             : }
     278           1 : 
     279             : /* AUX_FUNC_CALLBACK ldv_character_driver_scenario_release_1_2 */
     280             : void ldv_character_driver_scenario_release_1_2(int (*arg0)(struct inode *, struct file *), struct inode *arg1, struct file *arg2) {
     281           1 :  ((& single_release))(arg1, arg2);
     282           1 : }
     283             : 
     284             : /* AUX_FUNC_CALLBACK ldv_character_driver_scenario_write_1_4 */
     285             : void ldv_character_driver_scenario_write_1_4(ssize_t (*arg0)(struct file *, char *, size_t , loff_t *), struct file *arg1, char *arg2, long unsigned int arg3, long long int *arg4) {
     286           5 :  ((& proc_scsi_write))(arg1, arg2, arg3, arg4);
     287           1 : }
     288             : 
     289             : /* AUX_FUNC_CALLBACK ldv_traverse_kernel_items_scenario_show_10_6 */
     290             : void ldv_traverse_kernel_items_scenario_show_10_6(int (*arg0)(struct seq_file *, void *), struct seq_file *arg1, void *arg2) {
     291           2 :  ((proc_scsi_show))(arg1, arg2);
     292           1 : }
     293             : 
     294             : 
     295             : /* AUX_FUNC  ERR_PTR */
     296             : static inline void *ERR_PTR (long int error)
     297             : {
     298             : 
     299             :  return ldv_err_ptr(error);
     300             : }
     301             : 
     302             : /* AUX_FUNC  PTR_ERR */
     303             : static inline long int PTR_ERR (void const *ptr)
     304             : {
     305             : 
     306             :  return ldv_ptr_err(ptr);
     307             : }
     308             : 
     309             : /* AUX_FUNC  IS_ERR */
     310             : static inline long int IS_ERR (void const *ptr)
     311             : {
     312             : 
     313             :  return ldv_is_err(ptr);
     314             : }
     315             : 
     316             : /* AUX_FUNC  IS_ERR_OR_NULL */
     317             : static inline long int IS_ERR_OR_NULL (void const *ptr)
     318             : {
     319             : 
     320             :  return ldv_is_err_or_null(ptr);
     321             : }
     322             : 
     323             : /* AUX_FUNC  kzalloc */
     324             : static inline void *kzalloc (size_t size, gfp_t flags)
     325             : {
     326             : 
     327             :  return ldv_kzalloc(size, flags);
     328             : }

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