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powerpc/pseries/mm: Introducing FW_FEATURE_BLOCK_REMOVE

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This feature tells if the hcall H_BLOCK_REMOVE is available.

Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Laurent Dufour 2018-08-20 16:29:34 +02:00 committed by Michael Ellerman
parent 96695563ce
commit 5600fbe340
2 changed files with 3 additions and 1 deletions
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3
arch/powerpc/include/asm/firmware.h
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@ -52,6 +52,7 @@
#define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000)
#define FW_FEATURE_DRMEM_V2 ASM_CONST(0x0000000400000000)
#define FW_FEATURE_DRC_INFO ASM_CONST(0x0000000800000000)
#define FW_FEATURE_BLOCK_REMOVE ASM_CONST(0x0000001000000000)
#ifndef __ASSEMBLY__
@ -69,7 +70,7 @@ enum {
FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN |
FW_FEATURE_HPT_RESIZE | FW_FEATURE_DRMEM_V2 |
FW_FEATURE_DRC_INFO,
FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE,
FW_FEATURE_PSERIES_ALWAYS = 0,
FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL,
FW_FEATURE_POWERNV_ALWAYS = 0,

1
arch/powerpc/platforms/pseries/firmware.c
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@ -65,6 +65,7 @@ hypertas_fw_features_table[] = {
{FW_FEATURE_SET_MODE, "hcall-set-mode"},
{FW_FEATURE_BEST_ENERGY, "hcall-best-energy-1*"},
{FW_FEATURE_HPT_RESIZE, "hcall-hpt-resize"},
{FW_FEATURE_BLOCK_REMOVE, "hcall-block-remove"},
};
/* Build up the firmware features bitmask using the contents of