diff options
author | Justin Ernst <justin.ernst@hpe.com> | 2020-11-25 20:54:41 +0300 |
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committer | Borislav Petkov <bp@suse.de> | 2020-11-26 14:50:44 +0300 |
commit | 9a3c425cfdfee169622f1cb1a974b2f287e5560c (patch) | |
tree | d9d6f63e03f5ba7c9f460a582315631498d66a71 /arch/x86/include/asm/uv/bios.h | |
parent | 8f061abbf543355d77fac5c23521b6b452da6310 (diff) | |
download | linux-9a3c425cfdfee169622f1cb1a974b2f287e5560c.tar.xz |
x86/platform/uv: Add and export uv_bios_* functions
Add additional uv_bios_call() variant functions to expose information
needed by the new uv_sysfs driver. This includes the addition of several
new data types defined by UV BIOS and used in the new functions.
Signed-off-by: Justin Ernst <justin.ernst@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/20201125175444.279074-3-justin.ernst@hpe.com
Diffstat (limited to 'arch/x86/include/asm/uv/bios.h')
-rw-r--r-- | arch/x86/include/asm/uv/bios.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h index 08b3d810dfba..01ba080887b3 100644 --- a/arch/x86/include/asm/uv/bios.h +++ b/arch/x86/include/asm/uv/bios.h @@ -28,6 +28,20 @@ enum uv_bios_cmd { UV_BIOS_SET_LEGACY_VGA_TARGET }; +#define UV_BIOS_EXTRA 0x10000 +#define UV_BIOS_GET_PCI_TOPOLOGY 0x10001 +#define UV_BIOS_GET_GEOINFO 0x10003 + +#define UV_BIOS_EXTRA_OP_MEM_COPYIN 0x1000 +#define UV_BIOS_EXTRA_OP_MEM_COPYOUT 0x2000 +#define UV_BIOS_EXTRA_OP_MASK 0x0fff +#define UV_BIOS_EXTRA_GET_HEAPSIZE 1 +#define UV_BIOS_EXTRA_INSTALL_HEAP 2 +#define UV_BIOS_EXTRA_MASTER_NASID 3 +#define UV_BIOS_EXTRA_OBJECT_COUNT (10|UV_BIOS_EXTRA_OP_MEM_COPYOUT) +#define UV_BIOS_EXTRA_ENUM_OBJECTS (12|UV_BIOS_EXTRA_OP_MEM_COPYOUT) +#define UV_BIOS_EXTRA_ENUM_PORTS (13|UV_BIOS_EXTRA_OP_MEM_COPYOUT) + /* * Status values returned from a BIOS call. */ @@ -109,6 +123,32 @@ struct uv_systab { } entry[1]; /* additional entries follow */ }; extern struct uv_systab *uv_systab; + +#define UV_BIOS_MAXSTRING 128 +struct uv_bios_hub_info { + unsigned int id; + union { + struct { + unsigned long long this_part:1; + unsigned long long is_shared:1; + unsigned long long is_disabled:1; + } fields; + struct { + unsigned long long flags; + unsigned long long reserved; + } b; + } f; + char name[UV_BIOS_MAXSTRING]; + char location[UV_BIOS_MAXSTRING]; + unsigned int ports; +}; + +struct uv_bios_port_info { + unsigned int port; + unsigned int conn_id; + unsigned int conn_port; +}; + /* (... end of definitions from UV BIOS ...) */ enum { @@ -142,6 +182,15 @@ extern s64 uv_bios_change_memprotect(u64, u64, enum uv_memprotect); extern s64 uv_bios_reserved_page_pa(u64, u64 *, u64 *, u64 *); extern int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus); +extern s64 uv_bios_get_master_nasid(u64 sz, u64 *nasid); +extern s64 uv_bios_get_heapsize(u64 nasid, u64 sz, u64 *heap_sz); +extern s64 uv_bios_install_heap(u64 nasid, u64 sz, u64 *heap); +extern s64 uv_bios_obj_count(u64 nasid, u64 sz, u64 *objcnt); +extern s64 uv_bios_enum_objs(u64 nasid, u64 sz, u64 *objbuf); +extern s64 uv_bios_enum_ports(u64 nasid, u64 obj_id, u64 sz, u64 *portbuf); +extern s64 uv_bios_get_geoinfo(u64 nasid, u64 sz, u64 *geo); +extern s64 uv_bios_get_pci_topology(u64 sz, u64 *buf); + extern int uv_bios_init(void); extern unsigned long get_uv_systab_phys(bool msg); |