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| author | Christophe Lombard <clombard@linux.vnet.ibm.com> | 2017-04-12 16:34:07 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-04-13 15:34:31 +0200 |
| commit | f24be42aab37c6d07c05126673138e06223a6399 (patch) | |
| tree | 778de3d0c4b2dd8d80be7edb262174d1755ee8d9 /drivers/misc/cxl/debugfs.c | |
| parent | cxl: Isolate few psl8 specific calls (diff) | |
| download | linux-f24be42aab37c6d07c05126673138e06223a6399.tar.xz linux-f24be42aab37c6d07c05126673138e06223a6399.zip | |
cxl: Add psl9 specific code
The new Coherent Accelerator Interface Architecture, level 2, for the
IBM POWER9 brings new content and features:
- POWER9 Service Layer
- Registers
- Radix mode
- Process element entry
- Dedicated-Shared Process Programming Model
- Translation Fault Handling
- CAPP
- Memory Context ID
If a valid mm_struct is found the memory context id is used for each
transaction associated with the process handle. The PSL uses the
context ID to find the corresponding process element.
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
[mpe: Fixup comment formatting, unsplit long strings]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/misc/cxl/debugfs.c')
| -rw-r--r-- | drivers/misc/cxl/debugfs.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/misc/cxl/debugfs.c b/drivers/misc/cxl/debugfs.c index 43a1a27c54d1..eae9d749f967 100644 --- a/drivers/misc/cxl/debugfs.c +++ b/drivers/misc/cxl/debugfs.c @@ -15,6 +15,12 @@ static struct dentry *cxl_debugfs; +void cxl_stop_trace_psl9(struct cxl *adapter) +{ + /* Stop the trace */ + cxl_p1_write(adapter, CXL_PSL9_TRACECFG, 0x4480000000000000ULL); +} + void cxl_stop_trace_psl8(struct cxl *adapter) { int slice; @@ -53,6 +59,14 @@ static struct dentry *debugfs_create_io_x64(const char *name, umode_t mode, (void __force *)value, &fops_io_x64); } +void cxl_debugfs_add_adapter_regs_psl9(struct cxl *adapter, struct dentry *dir) +{ + debugfs_create_io_x64("fir1", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL9_FIR1)); + debugfs_create_io_x64("fir2", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL9_FIR2)); + debugfs_create_io_x64("fir_cntl", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL9_FIR_CNTL)); + debugfs_create_io_x64("trace", S_IRUSR | S_IWUSR, dir, _cxl_p1_addr(adapter, CXL_PSL9_TRACECFG)); +} + void cxl_debugfs_add_adapter_regs_psl8(struct cxl *adapter, struct dentry *dir) { debugfs_create_io_x64("fir1", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL_FIR1)); @@ -92,6 +106,11 @@ void cxl_debugfs_adapter_remove(struct cxl *adapter) debugfs_remove_recursive(adapter->debugfs); } +void cxl_debugfs_add_afu_regs_psl9(struct cxl_afu *afu, struct dentry *dir) +{ + debugfs_create_io_x64("serr", S_IRUSR, dir, _cxl_p1n_addr(afu, CXL_PSL_SERR_An)); +} + void cxl_debugfs_add_afu_regs_psl8(struct cxl_afu *afu, struct dentry *dir) { debugfs_create_io_x64("sstp0", S_IRUSR, dir, _cxl_p2n_addr(afu, CXL_SSTP0_An)); |