Commit a67fffb0 authored by Mike Travis's avatar Mike Travis Committed by Borislav Petkov
Browse files

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: default avatarMike Travis <mike.travis@hpe.com>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Reviewed-by: default avatarSteve Wahl <steve.wahl@hpe.com>
Acked-by: default avatarHans de Goede <hdegoede@redhat.com>
Link: https://lkml.kernel.org/r/20201128034227.120869-2-mike.travis@hpe.com
parent 0c683e9d

arch/x86/include/asm/uv/bios.h

+2 −0
Original line number Original line Diff line number Diff line
@@ -200,6 +200,8 @@ extern long sn_partition_id; 
extern long sn_coherency_id;

extern long sn_coherency_id;

extern long sn_region_size;

extern long sn_region_size;

extern long system_serial_number;

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 */

extern struct kobject *sgi_uv_kobj;	/* /sys/firmware/sgi_uv */

arch/x86/kernel/apic/x2apic_uv_x.c

+12 −0
Original line number Original line Diff line number Diff line
@@ -502,6 +502,18 @@ enum uv_system_type get_uv_system_type(void) 
	return uv_system_type;

	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)

int is_uv_system(void)

{

{

	return uv_system_type != UV_NONE;

	return uv_system_type != UV_NONE;