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powernv: opal-sensor: Add support to read 64bit sensor values

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This patch adds support to read 64-bit sensor values. This method is
used to read energy sensors and counters which are of type u64.

Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Shilpasri G Bhat
2018-05-07 15:55:36 +05:30
committed by Michael Ellerman
parent 00c946a06e
commit 5cdcb01e0a
4 changed files with 57 additions and 0 deletions
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2
arch/powerpc/include/asm/opal.h
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@@ -201,6 +201,7 @@ int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer,
int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer,
uint64_t length);
int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data);
int64_t opal_sensor_read_u64(u32 sensor_hndl, int token, __be64 *sensor_data);
int64_t opal_handle_hmi(void);
int64_t opal_register_dump_region(uint32_t id, uint64_t start, uint64_t end);
int64_t opal_unregister_dump_region(uint32_t id);
@@ -323,6 +324,7 @@ extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg);
extern int opal_async_wait_response_interruptible(uint64_t token,
struct opal_msg *msg);
extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data);
extern int opal_get_sensor_data_u64(u32 sensor_hndl, u64 *sensor_data);
struct rtc_time;
extern unsigned long opal_get_boot_time(void);