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authorJustin Ernst <justin.ernst@hpe.com>2020-11-25 11:54:41 -0600
committerBorislav Petkov <bp@suse.de>2020-11-26 12:50:44 +0100
commit9a3c425cfdfee169622f1cb1a974b2f287e5560c (patch)
treed9d6f63e03f5ba7c9f460a582315631498d66a71 /arch/x86/platform
parent8f061abbf543355d77fac5c23521b6b452da6310 (diff)
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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/platform')
-rw-r--r--arch/x86/platform/uv/bios_uv.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/x86/platform/uv/bios_uv.c b/arch/x86/platform/uv/bios_uv.c
index 54511eaccf4d..bf31af3d32d6 100644
--- a/arch/x86/platform/uv/bios_uv.c
+++ b/arch/x86/platform/uv/bios_uv.c
@@ -72,6 +72,7 @@ static s64 uv_bios_call_irqsave(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
long sn_partition_id;
EXPORT_SYMBOL_GPL(sn_partition_id);
long sn_coherency_id;
+EXPORT_SYMBOL_GPL(sn_coherency_id);
long sn_region_size;
EXPORT_SYMBOL_GPL(sn_region_size);
long system_serial_number;
@@ -171,6 +172,60 @@ int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus)
(u64)decode, (u64)domain, (u64)bus, 0, 0);
}
+extern s64 uv_bios_get_master_nasid(u64 size, u64 *master_nasid)
+{
+ return uv_bios_call(UV_BIOS_EXTRA, 0, UV_BIOS_EXTRA_MASTER_NASID, 0,
+ size, (u64)master_nasid);
+}
+EXPORT_SYMBOL_GPL(uv_bios_get_master_nasid);
+
+extern s64 uv_bios_get_heapsize(u64 nasid, u64 size, u64 *heap_size)
+{
+ return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_GET_HEAPSIZE,
+ 0, size, (u64)heap_size);
+}
+EXPORT_SYMBOL_GPL(uv_bios_get_heapsize);
+
+extern s64 uv_bios_install_heap(u64 nasid, u64 heap_size, u64 *bios_heap)
+{
+ return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_INSTALL_HEAP,
+ 0, heap_size, (u64)bios_heap);
+}
+EXPORT_SYMBOL_GPL(uv_bios_install_heap);
+
+extern s64 uv_bios_obj_count(u64 nasid, u64 size, u64 *objcnt)
+{
+ return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_OBJECT_COUNT,
+ 0, size, (u64)objcnt);
+}
+EXPORT_SYMBOL_GPL(uv_bios_obj_count);
+
+extern s64 uv_bios_enum_objs(u64 nasid, u64 size, u64 *objbuf)
+{
+ return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_ENUM_OBJECTS,
+ 0, size, (u64)objbuf);
+}
+EXPORT_SYMBOL_GPL(uv_bios_enum_objs);
+
+extern s64 uv_bios_enum_ports(u64 nasid, u64 obj_id, u64 size, u64 *portbuf)
+{
+ return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_ENUM_PORTS,
+ obj_id, size, (u64)portbuf);
+}
+EXPORT_SYMBOL_GPL(uv_bios_enum_ports);
+
+extern s64 uv_bios_get_geoinfo(u64 nasid, u64 size, u64 *buf)
+{
+ return uv_bios_call(UV_BIOS_GET_GEOINFO, nasid, (u64)buf, size, 0, 0);
+}
+EXPORT_SYMBOL_GPL(uv_bios_get_geoinfo);
+
+extern s64 uv_bios_get_pci_topology(u64 size, u64 *buf)
+{
+ return uv_bios_call(UV_BIOS_GET_PCI_TOPOLOGY, (u64)buf, size, 0, 0, 0);
+}
+EXPORT_SYMBOL_GPL(uv_bios_get_pci_topology);
+
unsigned long get_uv_systab_phys(bool msg)
{
if ((uv_systab_phys == EFI_INVALID_TABLE_ADDR) ||