diff options
| author | Kan Liang <kan.liang@linux.intel.com> | 2019-04-30 17:53:48 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-06-17 12:36:22 +0200 |
| commit | ee49532b38dd084650bf715eabe7e3828fb8d275 (patch) | |
| tree | d304eeab6f0d3ecfbefef14cd06de2309279c186 /arch/x86/events/intel/uncore.c | |
| parent | 07ce734dd8adc0f170d43c15a9b91b707a21b9d7 (diff) | |
perf/x86/intel/uncore: Add IMC uncore support for Snow Ridge
IMC uncore unit can only be accessed via MMIO on Snow Ridge.
The MMIO space of IMC uncore is at the specified offsets from the
MEM0_BAR. Add snr_uncore_get_mc_dev() to locate the PCI device with
MMIO_BASE and MEM0_BAR register.
Add new ops to access the IMC registers via MMIO.
Add 3 new free running counters for clocks, read and write bandwidth.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@kernel.org
Cc: eranian@google.com
Link: https://lkml.kernel.org/r/1556672028-119221-7-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/events/intel/uncore.c')
| -rw-r--r-- | arch/x86/events/intel/uncore.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c index 8bb537143d86..3694a5d0703d 100644 --- a/arch/x86/events/intel/uncore.c +++ b/arch/x86/events/intel/uncore.c @@ -29,7 +29,7 @@ struct event_constraint uncore_constraint_empty = MODULE_LICENSE("GPL"); -static int uncore_pcibus_to_physid(struct pci_bus *bus) +int uncore_pcibus_to_physid(struct pci_bus *bus) { struct pci2phy_map *map; int phys_id = -1; @@ -1441,6 +1441,7 @@ static const struct intel_uncore_init_fun icl_uncore_init __initconst = { static const struct intel_uncore_init_fun snr_uncore_init __initconst = { .cpu_init = snr_uncore_cpu_init, .pci_init = snr_uncore_pci_init, + .mmio_init = snr_uncore_mmio_init, }; static const struct x86_cpu_id intel_uncore_match[] __initconst = { |