From 0b4e74ba61c50aefa16a4bafac3a60799eab7a20 Mon Sep 17 00:00:00 2001 From: Alberto Milone 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 + #if defined(NV_DRM_DRM_GEM_H_PRESENT) + #include + #endif + void conftest_drm_gem_object_get(void) { + drm_gem_object_get(); + }" + + compile_check_conftest "$CODE" "NV_DRM_GEM_OBJECT_GET_PRESENT" "" "functions" + ;; + + do_gettimeofday) + # + # Determine if the function do_gettimeofday() is present. + # + CODE=" + #include + #if defined(NV_LINUX_KTIME_H_PRESENT) + #include + #endif + void conftest_do_gettimeofday(void) { + do_gettimeofday(); + }" + + compile_check_conftest "$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 + +#if defined(NV_LINUX_KTIME_H_PRESENT) +#include +#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 /* tasklets, interrupt helpers */ #include #include /* do_gettimeofday()*/ +#include "nv-time.h" #include /* 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