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authorJustin Ernst <justin.ernst@hpe.com>2020-11-25 20:54:41 +0300
committerBorislav Petkov <bp@suse.de>2020-11-26 14:50:44 +0300
commit9a3c425cfdfee169622f1cb1a974b2f287e5560c (patch)
treed9d6f63e03f5ba7c9f460a582315631498d66a71 /arch/x86/include/asm/uv/bios.h
parent8f061abbf543355d77fac5c23521b6b452da6310 (diff)
downloadlinux-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.h49
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);