| Message ID | 1426079233-16720-5-git-send-email-maddy@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Michael Ellerman |
| Headers | show |
Madhavan Srinivasan <maddy@linux.vnet.ibm.com> writes: > Nest Counters can be configured via PORE Engine and OPAL > provides an interface call to it. PORE Engine also does the > work of moving the counter data to memory. Do you have the associated skiboot patch that implements this firmware call? I haven't seen it on the skiboot list yet :)
On Thursday 12 March 2015 04:27 AM, Stewart Smith wrote: > Madhavan Srinivasan <maddy@linux.vnet.ibm.com> writes: >> Nest Counters can be configured via PORE Engine and OPAL >> provides an interface call to it. PORE Engine also does the >> work of moving the counter data to memory. > Do you have the associated skiboot patch that implements this firmware > call? I haven't seen it on the skiboot list yet :) Hi Stewart, OPAL side code is under-developement. Will post the patches soon to the skiboot mailing list. Regards Maddy
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 9ee0a30..8ac586b 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -169,6 +169,7 @@ struct opal_sg_list { #define OPAL_IPMI_SEND 107 #define OPAL_IPMI_RECV 108 #define OPAL_I2C_REQUEST 109 +#define OPAL_UNCORE_CONTROL 114 /* Device tree flags */ @@ -932,6 +933,8 @@ int64_t opal_ipmi_recv(uint64_t interface, struct opal_ipmi_msg *msg, int64_t opal_i2c_request(uint64_t async_token, uint32_t bus_id, struct opal_i2c_request *oreq); +int64_t opal_uncore_control(uint32_t value); + /* Internal functions */ extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data); diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index 0509bca..df709c3 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -292,3 +292,4 @@ OPAL_CALL(opal_tpo_read, OPAL_READ_TPO); OPAL_CALL(opal_ipmi_send, OPAL_IPMI_SEND); OPAL_CALL(opal_ipmi_recv, OPAL_IPMI_RECV); OPAL_CALL(opal_i2c_request, OPAL_I2C_REQUEST); +OPAL_CALL(opal_uncore_control, OPAL_UNCORE_CONTROL);
Nest Counters can be configured via PORE Engine and OPAL provides an interface call to it. PORE Engine also does the work of moving the counter data to memory. Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> --- arch/powerpc/include/asm/opal.h | 3 +++ arch/powerpc/platforms/powernv/opal-wrappers.S | 1 + 2 files changed, 4 insertions(+)