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From 0b4e74ba61c50aefa16a4bafac3a60799eab7a20 Mon Sep 17 00:00:00 2001
From: Alberto Milone <alberto.milone@canonical.com>
Date: Fri, 15 Feb 2019 14:43:21 +0100
Subject: [PATCH 1/1] Add support for Linux 5.0
---
Makefile | 2 ++
conftest.sh | 33 +++++++++++++++++++++++++++++++++
nv-drm.c | 12 +++++++++++-
nv-time.h | 24 ++++++++++++++++++++++++
os-interface.c | 13 +++++++------
uvm/Makefile | 1 +
uvm/nvidia_uvm_linux.h | 1 +
uvm/nvidia_uvm_lite.c | 4 ++--
8 files changed, 81 insertions(+), 9 deletions(-)
create mode 100644 nv-time.h
diff --git a/Makefile b/Makefile
index 8ac3c1a..1959dce 100644
--- a/Makefile
+++ b/Makefile
@@ -147,6 +147,8 @@ COMPILE_TESTS = \
vm_fault_present \
vm_fault_has_address \
drm_driver_unload_has_int_return_type \
+ drm_gem_object_get \
+ do_gettimeofday \
drm_legacy_pci_init \
timer_setup
#
diff --git a/conftest.sh b/conftest.sh
index 64d75a1..fb0bf60 100755
--- a/conftest.sh
+++ b/conftest.sh
@@ -168,6 +168,7 @@ test_headers() {
FILES="$FILES linux/sched/task.h"
FILES="$FILES xen/ioemu.h"
FILES="$FILES linux/fence.h"
+ FILES="$FILES linux/ktime.h"
FILES_ARCH="$FILES_ARCH asm/set_memory.h"
@@ -1971,6 +1972,38 @@ compile_test() {
compile_check_conftest "$CODE" "NV_DRM_DRIVER_UNLOAD_HAS_INT_RETURN_TYPE" "" "types"
;;
+ drm_gem_object_get)
+ #
+ # Determine if the function drm_gem_object_get() is present.
+ #
+ CODE="
+ #include <drm/drmP.h>
+ #if defined(NV_DRM_DRM_GEM_H_PRESENT)
+ #include <drm/drm_gem.h>
+ #endif
+ void conftest_drm_gem_object_get(void) {
+ drm_gem_object_get();
+ }"
+
+ compile_check_conftest "$CODE" "NV_DRM_GEM_OBJECT_GET_PRESENT" "" "functions"
+ ;;
+
+ do_gettimeofday)
+ #
+ # Determine if the function do_gettimeofday() is present.
+ #
+ CODE="
+ #include <linux/time.h>
+ #if defined(NV_LINUX_KTIME_H_PRESENT)
+ #include <linux/ktime.h>
+ #endif
+ void conftest_do_gettimeofday(void) {
+ do_gettimeofday();
+ }"
+
+ compile_check_conftest "$CODE" "NV_DO_GETTIMEOFDAY_PRESENT" "" "functions"
+ ;;
+
drm_legacy_pci_init)
#
# Determine if drm_legacy_pci_init() is present. drm_pci_init() was
diff --git a/nv-drm.c b/nv-drm.c
index 0eb72e4..1c968de 100644
--- a/nv-drm.c
+++ b/nv-drm.c
@@ -37,6 +37,16 @@ struct nv_gem_object {
struct page **pages;
};
+static inline void
+nv_drm_gem_object_unreference_unlocked(struct nv_gem_object *nv_gem)
+{
+#if defined(NV_DRM_GEM_OBJECT_GET_PRESENT)
+ drm_gem_object_put_unlocked(&nv_gem->base);
+#else
+ drm_gem_object_unreference_unlocked(&nv_gem->base);
+#endif
+}
+
static int nv_drm_load(
struct drm_device *dev,
unsigned long flags
@@ -252,7 +262,7 @@ RM_STATUS NV_API_CALL nv_alloc_os_descriptor_handle(
goto done;
}
- drm_gem_object_unreference_unlocked(&nv_obj->base);
+ nv_drm_gem_object_unreference_unlocked(nv_obj);
status = RM_OK;
diff --git a/nv-time.h b/nv-time.h
new file mode 100644
index 0000000..cc828aa
--- /dev/null
+++ b/nv-time.h
@@ -0,0 +1,24 @@
+#ifndef __NV_TIME_H__
+#define __NV_TIME_H__
+
+#include "conftest.h"
+#include <linux/time.h>
+
+#if defined(NV_LINUX_KTIME_H_PRESENT)
+#include <linux/ktime.h>
+#endif
+
+static inline void nv_gettimeofday(struct timeval *tv)
+{
+#ifdef NV_DO_GETTIMEOFDAY_PRESENT
+ do_gettimeofday(tv);
+#else
+ struct timespec64 now;
+
+ ktime_get_real_ts64(&now);
+ tv->tv_sec = now.tv_sec;
+ tv->tv_usec = now.tv_nsec/1000;
+#endif
+}
+
+#endif
diff --git a/os-interface.c b/os-interface.c
index 7e3d362..7190b26 100644
--- a/os-interface.c
+++ b/os-interface.c
@@ -13,6 +13,7 @@
#include "os-interface.h"
#include "nv-linux.h"
+#include "nv-time.h"
RM_STATUS NV_API_CALL os_disable_console_access(void)
{
@@ -440,7 +441,7 @@ RM_STATUS NV_API_CALL os_get_current_time(
{
struct timeval tm;
- do_gettimeofday(&tm);
+ nv_gettimeofday(&tm);
*seconds = tm.tv_sec;
*useconds = tm.tv_usec;
@@ -475,7 +476,7 @@ RM_STATUS NV_API_CALL os_delay_us(NvU32 MicroSeconds)
#ifdef NV_CHECK_DELAY_ACCURACY
struct timeval tm1, tm2;
- do_gettimeofday(&tm1);
+ nv_gettimeofday(&tm1);
#endif
if (in_irq() && (MicroSeconds > NV_MAX_ISR_DELAY_US))
@@ -490,7 +491,7 @@ RM_STATUS NV_API_CALL os_delay_us(NvU32 MicroSeconds)
udelay(usec);
#ifdef NV_CHECK_DELAY_ACCURACY
- do_gettimeofday(&tm2);
+ nv_gettimeofday(&tm2);
nv_printf(NV_DBG_ERRORS, "NVRM: osDelayUs %d: 0x%x 0x%x\n",
MicroSeconds, tm2.tv_sec - tm1.tv_sec, tm2.tv_usec - tm1.tv_usec);
#endif
@@ -518,7 +519,7 @@ RM_STATUS NV_API_CALL os_delay(NvU32 MilliSeconds)
struct timeval tm_start;
#endif
- do_gettimeofday(&tm_aux);
+ nv_gettimeofday(&tm_aux);
#ifdef NV_CHECK_DELAY_ACCURACY
tm_start = tm_aux;
#endif
@@ -552,7 +553,7 @@ RM_STATUS NV_API_CALL os_delay(NvU32 MilliSeconds)
do
{
schedule_timeout(jiffies);
- do_gettimeofday(&tm_aux);
+ nv_gettimeofday(&tm_aux);
if (NV_TIMERCMP(&tm_aux, &tm_end, <))
{
NV_TIMERSUB(&tm_end, &tm_aux, &tm_aux);
@@ -574,7 +575,7 @@ RM_STATUS NV_API_CALL os_delay(NvU32 MilliSeconds)
udelay(MicroSeconds);
}
#ifdef NV_CHECK_DELAY_ACCURACY
- do_gettimeofday(&tm_aux);
+ nv_gettimeofday(&tm_aux);
timersub(&tm_aux, &tm_start, &tm_aux);
nv_printf(NV_DBG_ERRORS, "NVRM: osDelay %dmsec: %d.%06dsec\n",
MilliSeconds, tm_aux.tv_sec, tm_aux.tv_usec);
diff --git a/uvm/Makefile b/uvm/Makefile
index 42ad927..5c7b466 100644
--- a/uvm/Makefile
+++ b/uvm/Makefile
@@ -171,6 +171,7 @@ COMPILE_TESTS = \
kbasename \
fatal_signal_pending \
kuid_t \
+ do_gettimeofday \
vm_fault_has_address
MODULE_NAME:= nvidia-uvm
diff --git a/uvm/nvidia_uvm_linux.h b/uvm/nvidia_uvm_linux.h
index 1625209..1edb620 100644
--- a/uvm/nvidia_uvm_linux.h
+++ b/uvm/nvidia_uvm_linux.h
@@ -146,6 +146,7 @@
#include <linux/interrupt.h> /* tasklets, interrupt helpers */
#include <linux/timer.h>
#include <linux/time.h> /* do_gettimeofday()*/
+#include "nv-time.h"
#include <asm/div64.h> /* do_div() */
#if defined(NV_ASM_SYSTEM_H_PRESENT)
diff --git a/uvm/nvidia_uvm_lite.c b/uvm/nvidia_uvm_lite.c
index 119c93a..33b8d4b 100644
--- a/uvm/nvidia_uvm_lite.c
+++ b/uvm/nvidia_uvm_lite.c
@@ -2019,7 +2019,7 @@ static RM_STATUS _check_ecc_errors(UvmGpuMigrationTracking *pMigTracker,
{
if (!!(rmInterruptSet) && !bEccIncomingError)
{
- do_gettimeofday(&eccErrorStartTime);
+ nv_gettimeofday(&eccErrorStartTime);
_set_timeout_in_usec(&eccErrorStartTime, &eccTimeout,
UVM_ECC_ERR_TIMEOUT_USEC);
@@ -2051,7 +2051,7 @@ static RM_STATUS _check_ecc_errors(UvmGpuMigrationTracking *pMigTracker,
//
if (!!(rmInterruptSet) && (eccErrorStartTime.tv_usec != 0))
{
- do_gettimeofday(&eccErrorCurrentTime);
+ nv_gettimeofday(&eccErrorCurrentTime);
if ((eccErrorCurrentTime.tv_sec > eccTimeout.tv_sec) ||
((eccErrorCurrentTime.tv_sec == eccTimeout.tv_sec) &&
(eccErrorCurrentTime.tv_usec >= eccTimeout.tv_usec)))
--
2.19.1
|