path: root/kernel-5.6.patch

diff --git a/kernel/common/inc/nv-procfs.h b/kernel/common/inc/nv-procfs.h
index 8b53f86..4c5aceb 100644
--- a/kernel/common/inc/nv-procfs.h
+++ b/kernel/common/inc/nv-procfs.h
@@ -28,6 +28,18 @@
 
 #define IS_EXERCISE_ERROR_FORWARDING_ENABLED() (EXERCISE_ERROR_FORWARDING)
 
+#if defined(NV_HAVE_PROC_OPS)
+#define NV_CREATE_PROC_FILE(filename,parent,__name,__data)               \
+   ({                                                                    \
+        struct proc_dir_entry *__entry;                                  \
+        int mode = (S_IFREG | S_IRUGO);                                  \
+        const struct proc_ops *fops = &nv_procfs_##__name##_fops;        \
+        if (fops->proc_write != 0)                                       \
+            mode |= S_IWUSR;                                             \
+        __entry = proc_create_data(filename, mode, parent, fops, __data);\
+        __entry;                                                         \
+    })
+#else
 #define NV_CREATE_PROC_FILE(filename,parent,__name,__data)               \
    ({                                                                    \
         struct proc_dir_entry *__entry;                                  \
@@ -38,6 +50,7 @@
         __entry = proc_create_data(filename, mode, parent, fops, __data);\
         __entry;                                                         \
     })
+#endif
 
 /*
  * proc_mkdir_mode exists in Linux 2.6.9, but isn't exported until Linux 3.0.
@@ -77,6 +90,44 @@
     remove_proc_entry(entry->name, entry->parent);
 #endif
 
+#if defined(NV_HAVE_PROC_OPS)
+#define NV_DEFINE_SINGLE_PROCFS_FILE(name, open_callback, close_callback)     \
+    static int nv_procfs_open_##name(                                         \
+        struct inode *inode,                                                  \
+        struct file *filep                                                    \
+    )                                                                         \
+    {                                                                         \
+        int ret;                                                              \
+        ret = single_open(filep, nv_procfs_read_##name,                       \
+                          NV_PDE_DATA(inode));                                \
+        if (ret < 0)                                                          \
+        {                                                                     \
+            return ret;                                                       \
+        }                                                                     \
+        ret = open_callback();                                                \
+        if (ret < 0)                                                          \
+        {                                                                     \
+            single_release(inode, filep);                                     \
+        }                                                                     \
+        return ret;                                                           \
+    }                                                                         \
+                                                                              \
+    static int nv_procfs_release_##name(                                      \
+        struct inode *inode,                                                  \
+        struct file *filep                                                    \
+    )                                                                         \
+    {                                                                         \
+        close_callback();                                                     \
+        return single_release(inode, filep);                                  \
+    }                                                                         \
+                                                                              \
+    static const struct proc_ops nv_procfs_##name##_fops = {                  \
+        .proc_open       = nv_procfs_open_##name,                             \
+        .proc_read       = seq_read,                                          \
+        .proc_lseek      = seq_lseek,                                         \
+        .proc_release    = nv_procfs_release_##name,                          \
+    };
+#else
 #define NV_DEFINE_SINGLE_PROCFS_FILE(name, open_callback, close_callback)     \
     static int nv_procfs_open_##name(                                         \
         struct inode *inode,                                                  \
@@ -114,6 +165,7 @@
         .llseek     = seq_lseek,                                              \
         .release    = nv_procfs_release_##name,                               \
     };
+#endif
 
 #endif  /* CONFIG_PROC_FS */
 
diff --git a/kernel/common/inc/nv-time.h b/kernel/common/inc/nv-time.h
index 968b873..f03c7b0 100644
--- a/kernel/common/inc/nv-time.h
+++ b/kernel/common/inc/nv-time.h
@@ -27,7 +27,12 @@
 
 #include <linux/ktime.h>
 
-static inline void nv_gettimeofday(struct timeval *tv)
+struct nv_timeval {
+    __kernel_long_t      tv_sec;
+    __kernel_suseconds_t tv_usec;
+};
+
+static inline void nv_gettimeofday(struct nv_timeval *tv)
 {
 #ifdef NV_DO_GETTIMEOFDAY_PRESENT
     do_gettimeofday(tv);
@@ -36,7 +41,7 @@ static inline void nv_gettimeofday(struct timeval *tv)
 
     ktime_get_real_ts64(&now);
 
-    *tv = (struct timeval) {
+    *tv = (struct nv_timeval) {
         .tv_sec = now.tv_sec,
         .tv_usec = now.tv_nsec/1000,
     };
diff --git a/kernel/conftest.sh b/kernel/conftest.sh
index 57d85a4..4eb703f 100755
--- a/kernel/conftest.sh
+++ b/kernel/conftest.sh
@@ -806,6 +806,46 @@ compile_test() {
             compile_check_conftest "$CODE" "NV_FILE_OPERATIONS_HAS_IOCTL" "" "types"
         ;;
 
+        proc_ops)
+            CODE="
+            #include <linux/proc_fs.h>
+            int conftest_proc_ops(void) {
+                return offsetof(struct proc_ops, proc_open);
+            }"
+
+            compile_check_conftest "$CODE" "NV_HAVE_PROC_OPS" "" "types"
+        ;;
+
+        ktime_get_raw_ts64)
+            #
+            # Determine if the ktime_get_raw_ts64() function is present.
+            #
+            CODE="
+            #include <linux/ktime.h>
+            int conftest_ktime_get_raw_ts64(void) {
+                struct timespec64 ts = {0};
+
+                ktime_get_raw_ts64(&ts64);
+            }"
+
+            compile_check_conftest "$CODE" "NV_KTIME_GET_RAW_TS64_PRESENT" "" "functions"
+        ;;
+
+        ktime_get_real_ts64)
+            #
+            # Determine if the ktime_get_real_ts64() function is present.
+            #
+            CODE="
+            #include <linux/ktime.h>
+            int conftest_ktime_get_raw_ts64(void) {
+                struct timespec64 ts = {0};
+
+                ktime_get_real_ts64(&ts64);
+            }"
+
+            compile_check_conftest "$CODE" "NV_KTIME_GET_REAL_TS64_PRESENT" "" "functions"
+        ;;
+
         sg_alloc_table)
             #
             # sg_alloc_table_from_pages added by commit efc42bc98058
diff --git a/kernel/nvidia-modeset/nvidia-modeset-linux.c b/kernel/nvidia-modeset/nvidia-modeset-linux.c
index 0ca2c7d..8902143 100644
--- a/kernel/nvidia-modeset/nvidia-modeset-linux.c
+++ b/kernel/nvidia-modeset/nvidia-modeset-linux.c
@@ -266,7 +266,7 @@ void NVKMS_API_CALL nvkms_usleep(NvU64 usec)
 
 NvU64 NVKMS_API_CALL nvkms_get_usec(void)
 {
-    struct timeval tv;
+    struct nv_timeval tv;
 
     nv_gettimeofday(&tv);
 
diff --git a/kernel/nvidia-uvm/uvm_linux.h b/kernel/nvidia-uvm/uvm_linux.h
index 30a9dea..1a20eff 100644
--- a/kernel/nvidia-uvm/uvm_linux.h
+++ b/kernel/nvidia-uvm/uvm_linux.h
@@ -301,7 +301,16 @@ static inline uint64_t NV_DIV64(uint64_t dividend, uint64_t divisor, uint64_t *r
 }
 #endif
 
-#if defined(CLOCK_MONOTONIC_RAW)
+#if defined(NV_KTIME_GET_RAW_TS64_PRESENT)
+static inline NvU64 NV_GETTIME(void)
+{
+    struct timespec64 ts;
+
+    ktime_get_raw_ts64(&ts);
+
+    return (ts.tv_sec * 1000000000ULL + ts.tv_nsec);
+}
+#elif defined(CLOCK_MONOTONIC_RAW)
 /* Return a nanosecond-precise value */
 static inline NvU64 NV_GETTIME(void)
 {
@@ -317,7 +326,7 @@ static inline NvU64 NV_GETTIME(void)
  * available non-GPL symbols. */
 static inline NvU64 NV_GETTIME(void)
 {
-    struct timeval tv = {0};
+    struct nv_timeval tv = {0};
 
     nv_gettimeofday(&tv);
 
diff --git a/kernel/nvidia/linux_nvswitch.c b/kernel/nvidia/linux_nvswitch.c
index 1d2c1bc..0a0b4e8 100644
--- a/kernel/nvidia/linux_nvswitch.c
+++ b/kernel/nvidia/linux_nvswitch.c
@@ -1578,10 +1578,17 @@ nvswitch_os_get_platform_time
     void
 )
 {
+#if defined(NV_KTIME_GET_REAL_TS64_PRESENT)
+    struct timespec64 ts64;
+
+    ktime_get_real_ts64(&ts64);
+    return ((NvU64)(ts64.tv_sec * NSEC_PER_SEC) + ts64.tv_nsec);
+#else
     struct timespec ts;
 
     getnstimeofday(&ts);
     return ((NvU64) timespec_to_ns(&ts));
+#endif
 }
 
 void
diff --git a/kernel/nvidia/nv-procfs.c b/kernel/nvidia/nv-procfs.c
index 064d727..a7308d3 100644
--- a/kernel/nvidia/nv-procfs.c
+++ b/kernel/nvidia/nv-procfs.c
@@ -452,6 +452,15 @@ done:
     return ((status < 0) ? status : (int)count);
 }
 
+#if defined(NV_HAVE_PROC_OPS)
+static struct proc_ops nv_procfs_registry_fops = {
+    .proc_open    = nv_procfs_open_registry,
+    .proc_read    = seq_read,
+    .proc_write   = nv_procfs_write_file,
+    .proc_lseek   = seq_lseek,
+    .proc_release = nv_procfs_close_registry,
+};
+#else
 static struct file_operations nv_procfs_registry_fops = {
     .owner   = THIS_MODULE,
     .open    = nv_procfs_open_registry,
@@ -460,6 +469,7 @@ static struct file_operations nv_procfs_registry_fops = {
     .llseek  = seq_lseek,
     .release = nv_procfs_close_registry,
 };
+#endif
 
 #if defined(CONFIG_PM)
 static int
@@ -531,6 +541,15 @@ nv_procfs_open_suspend_depth(
     return single_open(file, nv_procfs_show_suspend_depth, NULL);
 }
 
+#if defined(NV_HAVE_PROC_OPS)
+static struct proc_ops nv_procfs_suspend_depth_fops = {
+    .proc_open    = nv_procfs_open_suspend_depth,
+    .proc_read    = seq_read,
+    .proc_write   = nv_procfs_write_suspend_depth,
+    .proc_lseek   = seq_lseek,
+    .proc_release = single_release
+};
+#else
 static struct file_operations nv_procfs_suspend_depth_fops = {
     .owner   = THIS_MODULE,
     .open    = nv_procfs_open_suspend_depth,
@@ -539,6 +558,7 @@ static struct file_operations nv_procfs_suspend_depth_fops = {
     .llseek  = seq_lseek,
     .release = single_release
 };
+#endif
 
 static int
 nv_procfs_show_suspend(
@@ -613,6 +633,15 @@ nv_procfs_open_suspend(
     return single_open(file, nv_procfs_show_suspend, NULL);
 }
 
+#if defined(NV_HAVE_PROC_OPS)
+static struct proc_ops nv_procfs_suspend_fops = {
+    .proc_open    = nv_procfs_open_suspend,
+    .proc_read    = seq_read,
+    .proc_write   = nv_procfs_write_suspend,
+    .proc_lseek   = seq_lseek,
+    .proc_release = single_release
+};
+#else
 static struct file_operations nv_procfs_suspend_fops = {
     .owner   = THIS_MODULE,
     .open    = nv_procfs_open_suspend,
@@ -622,6 +651,7 @@ static struct file_operations nv_procfs_suspend_fops = {
     .release = single_release
 };
 #endif
+#endif
 
 /*
  * Forwards error to nv_log_error which exposes data to vendor callback
@@ -724,12 +754,20 @@ done:
     return status;
 }
 
+#if defined(NV_HAVE_PROC_OPS)
+static struct proc_ops nv_procfs_exercise_error_forwarding_fops = {
+    .proc_open    = nv_procfs_open_exercise_error_forwarding,
+    .proc_write   = nv_procfs_write_file,
+    .proc_release = nv_procfs_close_exercise_error_forwarding,
+};
+#else
 static struct file_operations nv_procfs_exercise_error_forwarding_fops = {
     .owner   = THIS_MODULE,
     .open    = nv_procfs_open_exercise_error_forwarding,
     .write   = nv_procfs_write_file,
     .release = nv_procfs_close_exercise_error_forwarding,
 };
+#endif
 
 static int
 nv_procfs_read_unbind_lock(
@@ -851,6 +889,15 @@ done:
     return rc;
 }
 
+#if defined(NV_HAVE_PROC_OPS)
+static struct proc_ops nv_procfs_unbind_lock_fops = {
+    .proc_open    = nv_procfs_open_unbind_lock,
+    .proc_read    = seq_read,
+    .proc_write   = nv_procfs_write_file,
+    .proc_lseek   = seq_lseek,
+    .proc_release = nv_procfs_close_unbind_lock,
+};
+#else
 static struct file_operations nv_procfs_unbind_lock_fops = {
     .owner   = THIS_MODULE,
     .open    = nv_procfs_open_unbind_lock,
@@ -859,6 +906,7 @@ static struct file_operations nv_procfs_unbind_lock_fops = {
     .llseek  = seq_lseek,
     .release = nv_procfs_close_unbind_lock,
 };
+#endif
 
 static const char*
 numa_status_describe(nv_numa_status_t state)
@@ -1187,6 +1235,22 @@ done:
     return retval;
 }
 
+#if defined(NV_HAVE_PROC_OPS)
+static const struct proc_ops nv_procfs_numa_status_fops = {
+    .proc_open    = nv_procfs_open_numa_status,
+    .proc_read    = seq_read,
+    .proc_write   = nv_procfs_write_file,
+    .proc_lseek   = seq_lseek,
+    .proc_release = nv_procfs_close_numa_status,
+};
+
+static const struct proc_ops nv_procfs_offline_pages_fops = {
+    .proc_open    = nv_procfs_open_offline_pages,
+    .proc_read    = seq_read,
+    .proc_lseek   = seq_lseek,
+    .proc_release = nv_procfs_close_offline_pages,
+};
+#else
 static const struct file_operations nv_procfs_numa_status_fops = {
     .owner   = THIS_MODULE,
     .open    = nv_procfs_open_numa_status,
@@ -1203,6 +1267,7 @@ static const struct file_operations nv_procfs_offline_pages_fops = {
     .llseek  = seq_lseek,
     .release = nv_procfs_close_offline_pages,
 };
+#endif
 
 static int
 nv_procfs_read_text_file(
diff --git a/kernel/nvidia/nvidia.Kbuild b/kernel/nvidia/nvidia.Kbuild
index 5ec3e65..339a757 100644
--- a/kernel/nvidia/nvidia.Kbuild
+++ b/kernel/nvidia/nvidia.Kbuild
@@ -150,6 +150,9 @@ NV_CONFTEST_SYMBOL_COMPILE_TESTS += is_export_symbol_present_swiotlb_dma_ops
 NV_CONFTEST_TYPE_COMPILE_TESTS += acpi_op_remove
 NV_CONFTEST_TYPE_COMPILE_TESTS += outer_flush_all
 NV_CONFTEST_TYPE_COMPILE_TESTS += file_operations
+NV_CONFTEST_TYPE_COMPILE_TESTS += proc_ops
+NV_CONFTEST_TYPE_COMPILE_TESTS += ktime_get_raw_ts64
+NV_CONFTEST_TYPE_COMPILE_TESTS += ktime_get_real_ts64
 NV_CONFTEST_TYPE_COMPILE_TESTS += file_inode
 NV_CONFTEST_TYPE_COMPILE_TESTS += kuid_t
 NV_CONFTEST_TYPE_COMPILE_TESTS += dma_ops
diff --git a/kernel/nvidia/nvlink_linux.c b/kernel/nvidia/nvlink_linux.c
index c84b36a..54fe244 100644
--- a/kernel/nvidia/nvlink_linux.c
+++ b/kernel/nvidia/nvlink_linux.c
@@ -513,8 +513,8 @@ int NVLINK_API_CALL nvlink_memcmp(const void *s1, const void *s2, NvLength size)
 
 static NvBool nv_timer_less_than
 (
-    const struct timeval *a,
-    const struct timeval *b
+    const struct nv_timeval *a,
+    const struct nv_timeval *b
 )
 {
     return (a->tv_sec == b->tv_sec) ? (a->tv_usec < b->tv_usec) 
@@ -523,9 +523,9 @@ static NvBool nv_timer_less_than
 
 static void nv_timeradd
 (
-    const struct timeval    *a,
-    const struct timeval    *b,
-    struct timeval          *result
+    const struct nv_timeval    *a,
+    const struct nv_timeval    *b,
+    struct nv_timeval          *result
 )
 {
     result->tv_sec = a->tv_sec + b->tv_sec;
@@ -539,9 +539,9 @@ static void nv_timeradd
 
 static void nv_timersub
 (
-    const struct timeval    *a,
-    const struct timeval    *b,
-    struct timeval          *result
+    const struct nv_timeval    *a,
+    const struct nv_timeval    *b,
+    struct nv_timeval          *result
 )
 {
     result->tv_sec = a->tv_sec - b->tv_sec;
@@ -561,7 +561,7 @@ void NVLINK_API_CALL nvlink_sleep(unsigned int ms)
     unsigned long us;
     unsigned long jiffies;
     unsigned long mdelay_safe_msec;
-    struct timeval tm_end, tm_aux;
+    struct nv_timeval tm_end, tm_aux;
 
     nv_gettimeofday(&tm_aux);
 
diff --git a/kernel/nvidia/os-interface.c b/kernel/nvidia/os-interface.c
index 07f1b77..239be58 100644
--- a/kernel/nvidia/os-interface.c
+++ b/kernel/nvidia/os-interface.c
@@ -463,7 +463,7 @@ NV_STATUS NV_API_CALL os_get_current_time(
     NvU32 *useconds
 )
 {
-    struct timeval tm;
+    struct nv_timeval tm;
 
     nv_gettimeofday(&tm);
 
@@ -477,9 +477,15 @@ NV_STATUS NV_API_CALL os_get_current_time(
 
 void NV_API_CALL os_get_current_tick(NvU64 *nseconds)
 {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 5, 0)
+    struct timespec64 ts;
+
+    jiffies_to_timespec64(jiffies, &ts);
+#else
     struct timespec ts;
 
     jiffies_to_timespec(jiffies, &ts);
+#endif
 
     *nseconds = ((NvU64)ts.tv_sec * NSEC_PER_SEC + (NvU64)ts.tv_nsec);
 }
@@ -549,7 +555,7 @@ NV_STATUS NV_API_CALL os_delay_us(NvU32 MicroSeconds)
     unsigned long usec;
 
 #ifdef NV_CHECK_DELAY_ACCURACY
-    struct timeval tm1, tm2;
+    struct nv_timeval tm1, tm2;
 
     nv_gettimeofday(&tm1);
 #endif
@@ -589,9 +595,9 @@ NV_STATUS NV_API_CALL os_delay(NvU32 MilliSeconds)
     unsigned long MicroSeconds;
     unsigned long jiffies;
     unsigned long mdelay_safe_msec;
-    struct timeval tm_end, tm_aux;
+    struct nv_timeval tm_end, tm_aux;
 #ifdef NV_CHECK_DELAY_ACCURACY
-    struct timeval tm_start;
+    struct nv_timeval tm_start;
 #endif
 
     nv_gettimeofday(&tm_aux);
@@ -1954,7 +1960,7 @@ static NV_STATUS NV_API_CALL _os_ipmi_receive_resp
 {
     struct ipmi_recv_msg    *rx_msg;
     int                     err_no;
-    struct timeval          tv;
+    struct nv_timeval          tv;
     NvU64                   start_time;
 
     nv_gettimeofday(&tv);