* [tip: perf/core] perf/x86/intel/uncore: Factor out __snr_uncore_mmio_init_box
[not found] <1584470314-46657-2-git-send-email-kan.liang@linux.intel.com>
@ 2020-03-20 12:58 ` tip-bot2 for Kan Liang
0 siblings, 0 replies; only message in thread
From: tip-bot2 for Kan Liang @ 2020-03-20 12:58 UTC (permalink / raw)
To: linux-tip-commits; +Cc: Kan Liang, Peter Zijlstra (Intel), x86, LKML
The following commit has been merged into the perf/core branch of tip:
Commit-ID: 3442a9ecb8e72a33c28a2b969b766c659830e410
Gitweb: https://git.kernel.org/tip/3442a9ecb8e72a33c28a2b969b766c659830e410
Author: Kan Liang <kan.liang@linux.intel.com>
AuthorDate: Tue, 17 Mar 2020 11:38:33 -07:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Fri, 20 Mar 2020 13:06:23 +01:00
perf/x86/intel/uncore: Factor out __snr_uncore_mmio_init_box
The IMC uncore unit in Ice Lake server can only be accessed by MMIO,
which is similar as Snow Ridge.
Factor out __snr_uncore_mmio_init_box which can be shared with Ice Lake
server in the following patch.
No functional changes.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/1584470314-46657-2-git-send-email-kan.liang@linux.intel.com
---
arch/x86/events/intel/uncore_snbep.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index ad20220..01023f0 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -4380,10 +4380,10 @@ static struct pci_dev *snr_uncore_get_mc_dev(int id)
return mc_dev;
}
-static void snr_uncore_mmio_init_box(struct intel_uncore_box *box)
+static void __snr_uncore_mmio_init_box(struct intel_uncore_box *box,
+ unsigned int box_ctl, int mem_offset)
{
struct pci_dev *pdev = snr_uncore_get_mc_dev(box->dieid);
- unsigned int box_ctl = uncore_mmio_box_ctl(box);
resource_size_t addr;
u32 pci_dword;
@@ -4393,7 +4393,7 @@ static void snr_uncore_mmio_init_box(struct intel_uncore_box *box)
pci_read_config_dword(pdev, SNR_IMC_MMIO_BASE_OFFSET, &pci_dword);
addr = (pci_dword & SNR_IMC_MMIO_BASE_MASK) << 23;
- pci_read_config_dword(pdev, SNR_IMC_MMIO_MEM0_OFFSET, &pci_dword);
+ pci_read_config_dword(pdev, mem_offset, &pci_dword);
addr |= (pci_dword & SNR_IMC_MMIO_MEM0_MASK) << 12;
addr += box_ctl;
@@ -4405,6 +4405,12 @@ static void snr_uncore_mmio_init_box(struct intel_uncore_box *box)
writel(IVBEP_PMON_BOX_CTL_INT, box->io_addr);
}
+static void snr_uncore_mmio_init_box(struct intel_uncore_box *box)
+{
+ __snr_uncore_mmio_init_box(box, uncore_mmio_box_ctl(box),
+ SNR_IMC_MMIO_MEM0_OFFSET);
+}
+
static void snr_uncore_mmio_disable_box(struct intel_uncore_box *box)
{
u32 config;
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2020-03-20 12:59 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <1584470314-46657-2-git-send-email-kan.liang@linux.intel.com>
2020-03-20 12:58 ` [tip: perf/core] perf/x86/intel/uncore: Factor out __snr_uncore_mmio_init_box tip-bot2 for Kan Liang
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).