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| author | Ian Munsie <imunsie@au1.ibm.com> | 2012-11-06 05:15:17 (GMT) |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-11-15 04:08:06 (GMT) |
| commit | d8f48ecc0e81cbc52a8eac907e02916d98dbfb5a (patch) | |
| tree | eb51a7a834fea2dd9e82c701cf686a6d7920b881 /arch/powerpc/platforms | |
| parent | b0302722eec7c086a31de6e3d9789304ef21df7b (diff) | |
| download | linux-fsl-qoriq-d8f48ecc0e81cbc52a8eac907e02916d98dbfb5a.tar.xz | |
powerpc: Add set_mode hcall
This new hcall in POWER8 is used to set various resource mode registers.
eg. it can set address translation mode on interrupt (note: partition wide
scope)
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/pseries/firmware.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/plpar_wrappers.h | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c index 0b0eff0..7b56118 100644 --- a/arch/powerpc/platforms/pseries/firmware.c +++ b/arch/powerpc/platforms/pseries/firmware.c @@ -56,6 +56,7 @@ firmware_features_table[FIRMWARE_MAX_FEATURES] = { {FW_FEATURE_MULTITCE, "hcall-multi-tce"}, {FW_FEATURE_SPLPAR, "hcall-splpar"}, {FW_FEATURE_VPHN, "hcall-vphn"}, + {FW_FEATURE_SET_MODE, "hcall-set-mode"}, }; /* Build up the firmware features bitmask using the contents of diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index 13e8cc4..44ad214 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -273,4 +273,10 @@ static inline long plpar_put_term_char(unsigned long termno, unsigned long len, lbuf[1]); } +/* Set various resource mode parameters */ +static inline long plpar_set_mode(unsigned long mflags, unsigned long resource, + unsigned long value1, unsigned long value2) +{ + return plpar_hcall_norets(H_SET_MODE, mflags, resource, value1, value2); +} #endif /* _PSERIES_PLPAR_WRAPPERS_H */ |