diff options
| author | Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> | 2016-02-11 13:01:45 +0530 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-02-23 17:22:42 +1100 |
| commit | f7ad0d75f45130e0cec6787a7629da47f5f40f21 (patch) | |
| tree | 9928dbf89b0f0c60d3ec667f14dd47716e0555f4 | |
| parent | 48ab7ce095047c06191f1b06fc4704311c4dabda (diff) | |
| download | skiboot-f7ad0d75f45130e0cec6787a7629da47f5f40f21.zip skiboot-f7ad0d75f45130e0cec6787a7629da47f5f40f21.tar.gz skiboot-f7ad0d75f45130e0cec6787a7629da47f5f40f21.tar.bz2 | |
cpu: Add helper function to return number of cores available in the chip
get_available_nr_cores_in_chip() takes 'chip_id' as an argument and
returns the number of available cores in the chip.
Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
| -rw-r--r-- | core/cpu.c | 11 | ||||
| -rw-r--r-- | include/cpu.h | 1 |
2 files changed, 12 insertions, 0 deletions
@@ -317,6 +317,17 @@ struct cpu_thread *first_available_cpu(void) return next_available_cpu(NULL); } +u8 get_available_nr_cores_in_chip(u32 chip_id) +{ + struct cpu_thread *core; + u8 nr_cores = 0; + + for_each_available_core_in_chip(core, chip_id) + nr_cores++; + + return nr_cores; +} + struct cpu_thread *next_available_core_in_chip(struct cpu_thread *core, u32 chip_id) { diff --git a/include/cpu.h b/include/cpu.h index 982b48a..9eaf59c 100644 --- a/include/cpu.h +++ b/include/cpu.h @@ -166,6 +166,7 @@ extern struct cpu_thread *next_available_cpu(struct cpu_thread *cpu); extern struct cpu_thread *first_available_core_in_chip(u32 chip_id); extern struct cpu_thread *next_available_core_in_chip(struct cpu_thread *cpu, u32 chip_id); +extern u8 get_available_nr_cores_in_chip(u32 chip_id); #define for_each_available_core_in_chip(core, chip_id) \ for (core = first_available_core_in_chip(chip_id); core; \ |