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| author | Mike Travis <mike.travis@hpe.com> | 2020-11-27 21:42:23 -0600 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-12-07 19:44:54 +0100 |
| commit | a67fffb017aed93fca42ce7aa5b6aaf54ff912ad (patch) | |
| tree | 80a5975a139e13da57811d99b80b2393214a9f4f /arch/x86 | |
| parent | 0c683e9de0c78ee53e220eac9ee3604ca662737a (diff) | |
| download | linux-a67fffb017aed93fca42ce7aa5b6aaf54ff912ad.tar.bz2 | |
x86/platform/uv: Add kernel interfaces for obtaining system info
Add kernel interfaces used to obtain info for the uv_sysfs driver
to display.
Signed-off-by: Mike Travis <mike.travis@hpe.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lkml.kernel.org/r/20201128034227.120869-2-mike.travis@hpe.com
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/uv/bios.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 12 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h index 01ba080887b3..1b6455f881f9 100644 --- a/arch/x86/include/asm/uv/bios.h +++ b/arch/x86/include/asm/uv/bios.h @@ -200,6 +200,8 @@ extern long sn_partition_id; extern long sn_coherency_id; extern long sn_region_size; extern long system_serial_number; +extern ssize_t uv_get_archtype(char *buf, int len); +extern int uv_get_hubless_system(void); extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */ diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 1b98f8c12b96..48746031b39a 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -502,6 +502,18 @@ enum uv_system_type get_uv_system_type(void) return uv_system_type; } +int uv_get_hubless_system(void) +{ + return uv_hubless_system; +} +EXPORT_SYMBOL_GPL(uv_get_hubless_system); + +ssize_t uv_get_archtype(char *buf, int len) +{ + return scnprintf(buf, len, "%s/%s", uv_archtype, oem_table_id); +} +EXPORT_SYMBOL_GPL(uv_get_archtype); + int is_uv_system(void) { return uv_system_type != UV_NONE; |