gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add arm64 support

Browse Source 
- add arm64 dependent codes with GICv3 and SVE support
- fix bugs based on architecture separation requests
This commit is contained in:
Takayuki Okamoto
2017-09-05 15:06:27 +09:00
parent 704096b139
commit 9989f41fd3
192 changed files with 26941 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

129
executer/kernel/mcctrl/sysfs_files.c
View File

@@ -1,3 +1,4 @@
// sysfs_files.c COPYRIGHT FUJITSU LIMITED 2016
/**
* \file sysfs_files.c
* License details are found in the file LICENSE.
@@ -151,8 +152,13 @@ static void free_node_topology(struct mcctrl_usrdata *udp)
return;
} /* free_node_topology() */
#ifdef POSTK_DEBUG_ARCH_DEP_40 /* cpu_topology name change */
static void free_cpu_topology_one(struct mcctrl_usrdata *udp,
struct mcctrl_cpu_topology *cpu)
#else /* POSTK_DEBUG_ARCH_DEP_40 */
static void free_cpu_topology_one(struct mcctrl_usrdata *udp,
struct cpu_topology *cpu)
#endif /* POSTK_DEBUG_ARCH_DEP_40 */
{
struct cache_topology *cache;
struct cache_topology *next;
@@ -168,8 +174,13 @@ static void free_cpu_topology_one(struct mcctrl_usrdata *udp,
static void free_cpu_topology(struct mcctrl_usrdata *udp)
{
#ifdef POSTK_DEBUG_ARCH_DEP_40 /* cpu_topology name change */
struct mcctrl_cpu_topology *cpu;
struct mcctrl_cpu_topology *next;
#else /* POSTK_DEBUG_ARCH_DEP_40 */
struct cpu_topology *cpu;
struct cpu_topology *next;
#endif /* POSTK_DEBUG_ARCH_DEP_40 */
list_for_each_entry_safe(cpu, next, &udp->cpu_topology_list, chain) {
list_del(&cpu->chain);
@@ -299,8 +310,13 @@ static int translate_cpumap(struct mcctrl_usrdata *udp,
return error;
} /* translate_cpumap() */
#ifdef POSTK_DEBUG_ARCH_DEP_40 /* cpu_topology name change */
static struct cache_topology *get_cache_topology(struct mcctrl_usrdata *udp,
struct mcctrl_cpu_topology *cpu_topo, struct ihk_cache_topology *saved)
#else /* POSTK_DEBUG_ARCH_DEP_40 */
static struct cache_topology *get_cache_topology(struct mcctrl_usrdata *udp,
struct cpu_topology *cpu_topo, struct ihk_cache_topology *saved)
#endif /* POSTK_DEBUG_ARCH_DEP_40 */
{
int error;
struct cache_topology *topo = NULL;
@@ -334,12 +350,21 @@ out:
return (error)? ERR_PTR(error): topo;
} /* get_cache_topology() */
#ifdef POSTK_DEBUG_ARCH_DEP_40 /* cpu_topology name change */
static struct mcctrl_cpu_topology *get_one_cpu_topology(struct mcctrl_usrdata *udp,
int index)
#else /* POSTK_DEBUG_ARCH_DEP_40 */
static struct cpu_topology *get_one_cpu_topology(struct mcctrl_usrdata *udp,
int index)
#endif /* POSTK_DEBUG_ARCH_DEP_40 */
{
int error;
ihk_device_t dev = ihk_os_to_dev(udp->os);
#ifdef POSTK_DEBUG_ARCH_DEP_40 /* cpu_topology name change */
struct mcctrl_cpu_topology *topology = NULL;
#else /* POSTK_DEBUG_ARCH_DEP_40 */
struct cpu_topology *topology = NULL;
#endif /* POSTK_DEBUG_ARCH_DEP_40 */
struct cache_topology *cache;
struct ihk_cache_topology *saved_cache;
@@ -357,7 +382,11 @@ static struct cpu_topology *get_one_cpu_topology(struct mcctrl_usrdata *udp,
topology->saved = ihk_device_get_cpu_topology(dev,
mckernel_cpu_2_hw_id(udp, index));
#ifdef POSTK_DEBUG_TEMP_FIX_21 /* IS_ERR() through return NULL */
if (!topology->saved) {
#else /* POSTK_DEBUG_TEMP_FIX_21 */
if (IS_ERR(topology->saved)) {
#endif /* POSTK_DEBUG_TEMP_FIX_21 */
error = PTR_ERR(topology->saved);
eprintk("mcctrl:get_one_cpu_topology:"
"ihk_device_get_cpu_topology failed. %d\n",
@@ -413,7 +442,11 @@ static int get_cpu_topology(struct mcctrl_usrdata *udp)
{
int error;
int index;
#ifdef POSTK_DEBUG_ARCH_DEP_40 /* cpu_topology name change */
struct mcctrl_cpu_topology *topology;
#else /* POSTK_DEBUG_ARCH_DEP_40 */
struct cpu_topology *topology;
#endif /* POSTK_DEBUG_ARCH_DEP_40 */
dprintk("get_cpu_topology(%p)\n", udp);
for (index = 0; index < udp->cpu_info->n_cpus; ++index) {
@@ -435,8 +468,13 @@ out:
return error;
} /* get_cpu_topology() */
#ifdef POSTK_DEBUG_ARCH_DEP_40 /* cpu_topology name change */
static void setup_cpu_sysfs_cache_files(struct mcctrl_usrdata *udp,
struct mcctrl_cpu_topology *cpu, struct cache_topology *cache)
#else /* POSTK_DEBUG_ARCH_DEP_40 */
static void setup_cpu_sysfs_cache_files(struct mcctrl_usrdata *udp,
struct cpu_topology *cpu, struct cache_topology *cache)
#endif /* POSTK_DEBUG_ARCH_DEP_40 */
{
char *prefix = "/sys/devices/system/cpu";
int cpu_number = cpu->mckernel_cpu_id;
@@ -488,8 +526,13 @@ static void setup_cpu_sysfs_cache_files(struct mcctrl_usrdata *udp,
return;
} /* setup_cpu_sysfs_cache_files() */
#ifdef POSTK_DEBUG_ARCH_DEP_40 /* cpu_topology name change */
static void setup_cpu_sysfs_files(struct mcctrl_usrdata *udp,
struct mcctrl_cpu_topology *cpu)
#else /* POSTK_DEBUG_ARCH_DEP_40 */
static void setup_cpu_sysfs_files(struct mcctrl_usrdata *udp,
struct cpu_topology *cpu)
#endif /* POSTK_DEBUG_ARCH_DEP_40 */
{
char *prefix = "/sys/devices/system/cpu";
int cpu_number = cpu->mckernel_cpu_id;
@@ -566,7 +609,11 @@ static void setup_cpus_sysfs_files_node_link(struct mcctrl_usrdata *udp)
static void setup_cpus_sysfs_files(struct mcctrl_usrdata *udp)
{
int error;
#ifdef POSTK_DEBUG_ARCH_DEP_40 /* cpu_topology name change */
struct mcctrl_cpu_topology *cpu;
#else /* POSTK_DEBUG_ARCH_DEP_40 */
struct cpu_topology *cpu;
#endif /* POSTK_DEBUG_ARCH_DEP_40 */
error = get_cpu_topology(udp);
if (error) {
@@ -904,21 +951,30 @@ out:
return error;
} /* read_link() */
#ifdef POSTK_DEBUG_TEMP_FIX_22 /* iterate_dir() deadlock */
static int setup_one_pci(struct mcctrl_usrdata *udp, const char *name)
{
#else /* POSTK_DEBUG_TEMP_FIX_22 */
static int setup_one_pci(void *arg0, const char *name, int namlen,
loff_t offset, u64 ino, unsigned d_type)
{
struct mcctrl_usrdata *udp = arg0;
#endif /* POSTK_DEBUG_TEMP_FIX_22 */
int error;
char *buf = NULL;
long node;
struct sysfsm_bitmap_param param;
#ifdef POSTK_DEBUG_TEMP_FIX_22 /* iterate_dir() deadlock */
dprintk("setup_one_pci(%p,%s)\n", udp, name);
#else /* POSTK_DEBUG_TEMP_FIX_22 */
dprintk("setup_one_pci(%p,%s,%d,%#lx,%#lx,%d)\n",
arg0, name, namlen, (long)offset, (long)ino, d_type);
if (namlen != 12) {
error = 0;
goto out;
}
#endif /* POSTK_DEBUG_TEMP_FIX_22 */
buf = (void *)__get_free_pages(GFP_KERNEL, 0);
if (!buf) {
@@ -970,12 +1026,65 @@ static int setup_one_pci(void *arg0, const char *name, int namlen,
error = 0;
out:
free_pages((long)buf, 0);
#ifdef POSTK_DEBUG_TEMP_FIX_22 /* iterate_dir() deadlock */
dprintk("setup_one_pci(%p,%s): %d\n", udp, name, error);
#else /* POSTK_DEBUG_TEMP_FIX_22 */
dprintk("setup_one_pci(%p,%s,%d,%#lx,%#lx,%d): %d\n",
arg0, name, namlen, (long)offset, (long)ino, d_type,
error);
#endif /* POSTK_DEBUG_TEMP_FIX_22 */
return error;
} /* setup_one_pci() */
#ifdef POSTK_DEBUG_TEMP_FIX_22 /* iterate_dir() deadlock */
LIST_HEAD(pci_file_name_list);
struct pci_file_name {
char *name;
struct list_head chain;
};
static int pci_file_name_gen(void *buf, const char *name, int namlen,
loff_t offset, u64 ino, unsigned d_type)
{
struct pci_file_name *p;
int error = -1;
dprintk("pci_file_name_gen(%p,%s,%d,%#lx,%#lx,%d)\n",
buf, name, namlen, (long)offset, (long)ino, d_type);
/* check namlen, name exmple, "0000:00:00.0" 12 chars */
/* otherstring, return function */
if (namlen != 12) {
error = 0;
goto out;
}
p = kmalloc(sizeof(*p), GFP_KERNEL);
if (!p) {
error = -ENOMEM;
eprintk("mcctrl:pci_file_name_gen:kmalloc failed. %d\n", error);
goto out;
}
p->name = kmalloc(sizeof(namlen + 1), GFP_KERNEL);
if (!p->name) {
error = -ENOMEM;
eprintk("mcctrl:pci_file_name_gen:kmalloc failed. %d\n", error);
kfree(p);
goto out;
}
memset(p->name, '\0', namlen + 1);
memcpy(p->name, name, namlen);
list_add(&p->chain, &pci_file_name_list);
error = 0;
out:
dprintk("pci_file_name_gen(%p,%s,%d,%#lx,%#lx,%d): %d\n",
buf, name, namlen, (long)offset, (long)ino, d_type, error);
return error;
}
#endif /* POSTK_DEBUG_TEMP_FIX_22 */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)
typedef int (*mcctrl_filldir_t)(void *buf, const char *name, int namlen,
loff_t offset, u64 ino, unsigned d_type);
@@ -1019,6 +1128,11 @@ static int setup_pci_files(struct mcctrl_usrdata *udp)
int error;
int er;
struct file *fp = NULL;
#ifdef POSTK_DEBUG_TEMP_FIX_22 /* iterate_dir() deadlock */
int ret = 0;
struct pci_file_name *cur;
struct pci_file_name *next;
#endif /* POSTK_DEBUG_TEMP_FIX_22 */
dprintk("setup_pci_files(%p)\n", udp);
fp = filp_open("/sys/bus/pci/devices", O_DIRECTORY, 0);
@@ -1028,13 +1142,28 @@ static int setup_pci_files(struct mcctrl_usrdata *udp)
goto out;
}
#ifdef POSTK_DEBUG_TEMP_FIX_22 /* iterate_dir() deadlock */
error = mcctrl_vfs_readdir(fp, &pci_file_name_gen, udp);
#else /* POSTK_DEBUG_TEMP_FIX_22 */
error = mcctrl_vfs_readdir(fp, &setup_one_pci, udp);
#endif /* POSTK_DEBUG_TEMP_FIX_22 */
if (error) {
eprintk("mcctrl:setup_pci_files:"
"mcctrl_vfs_readdir failed. %d\n", error);
goto out;
}
#ifdef POSTK_DEBUG_TEMP_FIX_22 /* iterate_dir() deadlock */
list_for_each_entry_safe(cur, next, &pci_file_name_list, chain) {
if (!ret) {
ret = setup_one_pci(udp, cur->name);
}
list_del(&cur->chain);
kfree(cur->name);
kfree(cur);
}
#endif /* POSTK_DEBUG_TEMP_FIX_22 */
error = 0;
out:
if (!IS_ERR_OR_NULL(fp)) {