k10temp:
- Fixed a bug with displaying incorrect temperature values. - Fixed memory leak (temporary failure of dlmalloc). - Small refactoring. - Use gnu99 to make empty functions with no return return 0. git-svn-id: svn://kolibrios.org@9827 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
turbocat
parent
171a745608
commit
4237496c20
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@ -521,7 +521,7 @@ static inline void __SysMsgBoardStr(char *text)
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::"S" (text));
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};
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static inline void *vzalloc(unsigned long size)
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static inline void *KernelZeroAlloc(unsigned long size)
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{
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void *mem;
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@ -481,7 +481,7 @@ static void amd_cache_gart(void)
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if (!amd_nb_has_feature(AMD_NB_GART))
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return;
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flush_words = kmalloc_array(amd_northbridges.num, sizeof(u32), GFP_KERNEL);
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flush_words = KernelZeroAlloc(amd_northbridges.num * sizeof(u32));
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if (!flush_words) {
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amd_northbridges.flags &= ~AMD_NB_GART;
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pr_notice("Cannot initialize GART flush words, GART support disabled\n");
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@ -5,7 +5,7 @@ then
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end
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tup.include(HELPERDIR .. "/use_gcc.lua")
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CFLAGS =[[ -Os -march=i686 -fno-ident -msse2 -fomit-frame-pointer -fno-builtin-printf -mno-stack-arg-probe -mpreferred-stack-boundary=2 -mincoming-stack-boundary=2 -mno-ms-bitfields -UWIN32 -U_WIN32 -U__WIN32__ -D_KOLIBRI -DKOLIBRI -D__KERNEL__ -DCONFIG_X86_32 -DCONFIG_DMI -DCONFIG_TINY_RCU -DCONFIG_X86_L1_CACHE_SHIFT=6 -DCONFIG_ARCH_HAS_CACHE_LINE_SIZE -DCONFIG_PRINTK -DCONFIG_PCI -DCONFIG_PCI -DCONFIG_AMD_NB -DKBUILD_MODNAME="\"k10temp"\" -I../../include -I../../include/asm -I../../include/uapi -I../../include/drm ]]
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CFLAGS =[[ -std=gnu99 -Os -march=i686 -fno-ident -msse2 -fomit-frame-pointer -fno-builtin-printf -mno-stack-arg-probe -mpreferred-stack-boundary=2 -mincoming-stack-boundary=2 -mno-ms-bitfields -UWIN32 -U_WIN32 -U__WIN32__ -D_KOLIBRI -DKOLIBRI -D__KERNEL__ -DCONFIG_X86_32 -DCONFIG_DMI -DCONFIG_TINY_RCU -DCONFIG_X86_L1_CACHE_SHIFT=6 -DCONFIG_ARCH_HAS_CACHE_LINE_SIZE -DCONFIG_PRINTK -DCONFIG_PCI -DCONFIG_PCI -DCONFIG_AMD_NB -DKBUILD_MODNAME="\"k10temp"\" -I../../include -I../../include/asm -I../../include/uapi -I../../include/drm ]]
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LDFLAGS = " -nostdlib -shared -s --major-os-version 0 --minor-os-version 7 --major-subsystem-version 0 --minor-subsystem-version 5 --subsystem native -T../drv.lds --image-base 0 --file-alignment 512 --section-alignment 4096 -L../../../contrib/sdk/lib -L../../ddk "
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@ -29,6 +29,9 @@
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struct cpuinfo_x86 boot_cpu_data;
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extern void init_amd_nbs(void);
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extern void free_pci_devices(void);
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#define MODNAME KBUILD_MODNAME ": "
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#define KERNEL_SPACE 0x80000000
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@ -127,7 +130,7 @@ const struct tctl_offset tctl_offset_table[] = {
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void read_htcreg_pci(struct pci_dev *pdev, u32 *regval)
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{
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pci_read_config_dword(pdev, REG_HARDWARE_THERMAL_CONTROL, regval);
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pci_read_config_dword(pdev, REG_HARDWARE_THERMAL_CONTROL, regval);
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}
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void read_tempreg_pci(struct pci_dev *pdev, u32 *regval)
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@ -309,7 +312,7 @@ umode_t k10temp_is_visible(const void *_data,
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}
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return 0444;
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}
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#if 0
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bool has_erratum_319(struct pci_dev *pdev)
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{
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u32 pkg_type, reg_dram_cfg;
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@ -343,7 +346,6 @@ bool has_erratum_319(struct pci_dev *pdev)
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return boot_cpu_data.x86_model < 4;
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}
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#endif
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const struct hwmon_channel_info *k10temp_info[] = {
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HWMON_CHANNEL_INFO(temp,
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@ -396,21 +398,20 @@ void k10temp_get_ccd_support(struct pci_dev *pdev,
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int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id, struct device *hwmon_dev)
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{
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// int unreliable = has_erratum_319(pdev);
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int unreliable = has_erratum_319(pdev);
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struct device *dev = &pdev->dev;
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struct k10temp_data *data;
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int i;
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/* if (unreliable) {
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if (!force) {
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if (unreliable) {
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/* if (!force) {
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dev_err(dev,"unreliable CPU thermal sensor; monitoring disabled\n");
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return -ENODEV;
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}
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dev_warn(dev,
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"unreliable CPU thermal sensor; check erratum 319\n");
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}
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*/
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data = kzalloc(sizeof(struct k10temp_data), GFP_KERNEL);
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memset(data, 0x0, sizeof(struct k10temp_data));
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printk(MODNAME "Unreliable CPU thermal sensor; Check erratum 319\n");
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}
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data = KernelZeroAlloc(sizeof(struct k10temp_data));
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if (!data)
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return -ENOMEM;
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@ -491,89 +492,96 @@ const struct pci_device_id k10temp_id_table[] = {
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{}
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};
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#define K10TEMP_NA (~0)
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#define CHANEL_MAX 9
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#define K10TEMP_NA (-1)
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#define CHANEL_INPUT_MAX 10
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#pragma pack(push, 1)
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struct{
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int Tctl;
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int Tdie;
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int Tccd1;
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int Tccd2;
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int Tccd3;
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int Tccd4;
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int Tccd5;
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int Tccd6;
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int Tccd7;
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int Tccd8;
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int Tmax;
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int Tcrit;
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int Tcrit_hyst;
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}k10temp_out;
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#pragma pack(pop)
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struct {
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int Tctl;
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int Tdie;
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int Tccd1;
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int Tccd2;
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int Tccd3;
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int Tccd4;
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int Tccd5;
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int Tccd6;
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int Tccd7;
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int Tccd8;
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int Tmax;
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int Tcrit;
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int Tcrit_hyst;
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} k10temp_out;
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struct device k10temp_device;
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void read_temp_info(struct device *dev, u32 attr, int channel, int *val){
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long temp=0;
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if(k10temp_is_visible(dev->driver_data, hwmon_temp, attr, channel)){
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k10temp_read_temp(dev, attr, channel, &temp);
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*val=temp;
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}else{
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*val=K10TEMP_NA;
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}
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int read_temp_info(struct device *dev, unsigned attr, int channel) {
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long temp = K10TEMP_NA;
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if (k10temp_is_visible(dev->driver_data, hwmon_temp, attr, channel)) {
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if (k10temp_read_temp(dev, attr, channel, &temp)) {
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temp = K10TEMP_NA;
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}
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}
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return (int)temp;
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}
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void read_all_info(struct device* dev){
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for(int c=0; c<=CHANEL_MAX; c++){
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read_temp_info(dev, hwmon_temp_input, c, (int*)&k10temp_out+c);
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}
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read_temp_info(dev, hwmon_temp_max, 0, &k10temp_out.Tmax);
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read_temp_info(dev, hwmon_temp_crit, 0, &k10temp_out.Tcrit);
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read_temp_info(dev, hwmon_temp_crit_hyst, 0, &k10temp_out.Tcrit_hyst);
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void read_all_info(struct device* dev)
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{
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int* k10temp_out_array = (int*)&k10temp_out;
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for (int c = 0; c < CHANEL_INPUT_MAX; c++) {
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k10temp_out_array[c] = read_temp_info(dev, hwmon_temp_input, c);
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}
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}
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int __stdcall service_proc(ioctl_t *my_ctl){
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if(!my_ctl || !my_ctl->output || (int)my_ctl->output>=KERNEL_SPACE-sizeof(k10temp_out)){
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printk("k10temp: Bad address for writing data!\n");
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return 0;
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}
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int __stdcall service_proc(ioctl_t *my_ctl)
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{
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if(!my_ctl || !my_ctl->output || (int)my_ctl->output>=KERNEL_SPACE-sizeof(k10temp_out)){
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printk(MODNAME "Bad address for writing data!\n");
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return 0;
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}
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read_all_info(&k10temp_device);
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if(my_ctl->out_size == sizeof(k10temp_out)){
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memcpy(my_ctl->output, &k10temp_out, sizeof(k10temp_out));
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return 0;
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}
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printk("k10temp: Invalid buffer length!\n");
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return 1;
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read_all_info(&k10temp_device);
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if(my_ctl->out_size == sizeof(k10temp_out)){
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memcpy(my_ctl->output, &k10temp_out, sizeof(k10temp_out));
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return 0;
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}
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printk(MODNAME "Invalid buffer length!\n");
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return 1;
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}
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uint32_t drvEntry(int action, char *cmdline){
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if(action != 1){
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return 0;
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}
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pci_dev_t device;
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const struct pci_device_id *k10temp_id;
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int err;
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uint32_t drvEntry(int action, char *cmdline)
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{
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if (action != 1) {
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return 0;
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}
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static pci_dev_t device;
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const struct pci_device_id *k10temp_id;
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cpu_detect(&boot_cpu_data);
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cpu_detect(&boot_cpu_data);
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err = enum_pci_devices();
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if(unlikely(err != 0)) {
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printk("k10temp: Device enumeration failed!\n");
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return 0;
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}
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if(unlikely(enum_pci_devices() != 0)) {
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printk(MODNAME "Device enumeration failed!\n");
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goto error;
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}
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k10temp_id = find_pci_device(&device, k10temp_id_table);
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k10temp_id = find_pci_device(&device, k10temp_id_table);
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if (unlikely(k10temp_id == NULL)) {
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printk(MODNAME "Device not found!\n");
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goto error;
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}
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if(unlikely(k10temp_id == NULL)){
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printk("k10temp: Device not found!\n");
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return 0;
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}
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init_amd_nbs();
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k10temp_probe(&device.pci_dev, k10temp_id, &k10temp_device);
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init_amd_nbs();
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k10temp_probe(&device.pci_dev, k10temp_id, &k10temp_device);
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return RegService("k10temp", service_proc);
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k10temp_out.Tmax = read_temp_info(&k10temp_device, hwmon_temp_max, 0);
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k10temp_out.Tcrit = read_temp_info(&k10temp_device, hwmon_temp_crit, 0);
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k10temp_out.Tcrit_hyst = read_temp_info(&k10temp_device, hwmon_temp_crit_hyst, 0);
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return RegService(MODNAME, service_proc);
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error:
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free_pci_devices();
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return 0;
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}
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@ -1,15 +1,6 @@
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#include <syscall.h>
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#include <linux/kernel.h>
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#include <linux/mutex.h>
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#include <linux/mod_devicetable.h>
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#include <linux/slab.h>
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#include <linux/pm.h>
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#include <asm/msr.h>
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#include <linux/pci.h>
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extern int pci_scan_filter(u32 id, u32 busnr, u32 devfn);
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LIST_HEAD(devices);
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/* PCI control bits. Shares IORESOURCE_BITS with above PCI ROM. */
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@ -20,31 +11,6 @@ LIST_HEAD(devices);
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#define IORESOURCE_ROM_COPY (1<<2) /* ROM is alloc'd copy, resource field overlaid */
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#define IORESOURCE_ROM_BIOS_COPY (1<<3) /* ROM is BIOS copy, resource field overlaid */
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/*
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* Translate the low bits of the PCI base
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* to the resource type
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*/
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/*
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//int pci_scan_filter(u32 id, u32 busnr, u32 devfn)
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{
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u16 vendor, device;
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u32 class;
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int ret = 0;
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vendor = id & 0xffff;
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device = (id >> 16) & 0xffff;
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if(vendor == 0x15AD )
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{
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class = PciRead32(busnr, devfn, PCI_CLASS_REVISION);
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class >>= 16;
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if( class == PCI_CLASS_DISPLAY_VGA )
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ret = 1;
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}
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return ret;
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};*/
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static inline unsigned int pci_calc_resource_flags(unsigned int flags)
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{
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@ -374,13 +340,12 @@ static pci_dev_t* pci_scan_device(u32 busnr, int devfn)
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hdr = PciRead8(busnr, devfn, PCI_HEADER_TYPE);
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dev = (pci_dev_t*)kzalloc(sizeof(pci_dev_t), 0);
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dev = (pci_dev_t*)KernelZeroAlloc(sizeof(pci_dev_t));
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if(unlikely(dev == NULL))
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return NULL;
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INIT_LIST_HEAD(&dev->link);
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dev->pci_dev.busnr = busnr;
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dev->pci_dev.devfn = devfn;
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dev->pci_dev.hdr_type = hdr & 0x7f;
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@ -498,9 +463,7 @@ int pci_find_capability(struct pci_dev *dev, int cap)
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}
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int enum_pci_devices()
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int enum_pci_devices(void)
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{
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pci_dev_t *dev;
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u32 last_bus;
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@ -508,7 +471,6 @@ int enum_pci_devices()
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last_bus = PciApi(1);
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if( unlikely(last_bus == -1))
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return -1;
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@ -532,6 +494,16 @@ int enum_pci_devices()
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return 0;
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}
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void free_pci_devices(void)
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{
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pci_dev_t *dev = (pci_dev_t*)devices.next;
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while(&dev->link != &devices) {
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pci_dev_t *temp = dev;
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dev = (pci_dev_t*)dev->link.next;
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KernelFree(temp);
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}
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}
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const struct pci_device_id* find_pci_device(pci_dev_t* pdev, const struct pci_device_id *idlist)
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{
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pci_dev_t *dev;
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@ -637,6 +609,7 @@ struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from)
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return NULL;
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}
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int pci_bus_read_config_byte (struct pci_bus *bus, u32 devfn, int pos, u8 *value)
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{
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// raw_spin_lock_irqsave(&pci_lock, flags);
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@ -660,10 +633,7 @@ int pci_bus_read_config_dword (struct pci_bus *bus, u32 devfn, int pos, u32 *val
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{
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if ( pos & 3)
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return PCIBIOS_BAD_REGISTER_NUMBER;
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// raw_spin_lock_irqsave(&pci_lock, flags);
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*value = PciRead32(bus->number, devfn, pos);
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// raw_spin_unlock_irqrestore(&pci_lock, flags);
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return 0;
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}
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@ -671,11 +641,6 @@ int pci_bus_write_config_dword(struct pci_bus *bus, unsigned int devfn, int wher
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{
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if ( where & 3)
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return PCIBIOS_BAD_REGISTER_NUMBER;
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// raw_spin_lock_irqsave(&pci_lock, flags);
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PciWrite32(bus->number, devfn,where, val);
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// raw_spin_unlock_irqrestore(&pci_lock, flags);
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return 0;
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}
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