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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2020-08-04 23:02:15 +0530 |
|---|---|---|
| committer | Oliver O'Halloran <oohall@gmail.com> | 2020-08-07 16:00:20 +1000 |
| commit | e49a52f0cc028acbe41ea7aaee67b2f68f7a7d5b (patch) | |
| tree | 7d7731f203de261d0baec383a57ae5aa5a68decd /include/chip.h | |
| parent | 1df445d7a278b0b5fb40e9f2641d28ccfae51813 (diff) | |
| download | skiboot-e49a52f0cc028acbe41ea7aaee67b2f68f7a7d5b.zip skiboot-e49a52f0cc028acbe41ea7aaee67b2f68f7a7d5b.tar.gz skiboot-e49a52f0cc028acbe41ea7aaee67b2f68f7a7d5b.tar.bz2 | |
chip: Fix pir_to_thread_id for fused cores
pir_to_core_id() and pir_to_thread_id() are extensively
used by the direct controls code and are expected to return
the "normal" (non-fused, aka EC) core/thread IDs.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Vaidyanathan Srinivasan <svaidy@linux.ibm.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Diffstat (limited to 'include/chip.h')
| -rw-r--r-- | include/chip.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/chip.h b/include/chip.h index 38fafcf..2063cd2 100644 --- a/include/chip.h +++ b/include/chip.h @@ -98,6 +98,8 @@ (P9_PIR2FUSEDCOREID(pir) << 1) | \ (P9_PIR2FUSEDTHREADID(pir) & 1) +#define P9_PIRFUSED2NORMALTHREADID(pir) (((pir) >> 1) & 0x3) + /* P9 specific ones mostly used by XIVE */ #define P9_PIR2LOCALCPU(pir) ((pir) & 0xff) #define P9_PIRFROMLOCALCPU(chip, cpu) (((chip) << 8) | (cpu)) @@ -229,6 +231,11 @@ struct proc_chip { }; extern uint32_t pir_to_chip_id(uint32_t pir); + +/* + * Note: In P9 fused-core mode, these will return the "normal" + * core ID and thread ID (ie, thread ID 0..3) + */ extern uint32_t pir_to_core_id(uint32_t pir); extern uint32_t pir_to_thread_id(uint32_t pir); |