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| author | Michael J. Ruhl <michael.j.ruhl@intel.com> | 2024-11-14 08:03:57 -0500 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2024-11-14 15:16:50 +0200 |
| commit | 0c32840763b1579c923b4216c18bb756ca4ba473 (patch) | |
| tree | 9f3826c75eeed5320acd5a922c38054b73b2bd8f /drivers/platform/x86/intel/pmt/class.h | |
| parent | 8560b2775a08bf511576a18922c3bde920e69494 (diff) | |
| download | linux-0c32840763b1579c923b4216c18bb756ca4ba473.tar.gz linux-0c32840763b1579c923b4216c18bb756ca4ba473.tar.bz2 linux-0c32840763b1579c923b4216c18bb756ca4ba473.zip | |
platform/x86/intel/pmt: allow user offset for PMT callbacks
Usage of the telem sysfs file allows for partial reads at an offset.
The current callback method returns the buffer starting from offset 0
only.
Include the requested offset in the callback and update the necessary
address calculations with the offset.
Note: offset addition is moved from the caller to the local usage. For
non-callback usage this is unchanged behavior.
Fixes: e92affc74cd8 ("platform/x86/intel/vsec: Add PMT read callbacks")
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Link: https://lore.kernel.org/r/20241114130358.2467787-2-michael.j.ruhl@intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'drivers/platform/x86/intel/pmt/class.h')
| -rw-r--r-- | drivers/platform/x86/intel/pmt/class.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/platform/x86/intel/pmt/class.h b/drivers/platform/x86/intel/pmt/class.h index a267ac964423..b2006d57779d 100644 --- a/drivers/platform/x86/intel/pmt/class.h +++ b/drivers/platform/x86/intel/pmt/class.h @@ -62,7 +62,7 @@ struct intel_pmt_namespace { }; int pmt_telem_read_mmio(struct pci_dev *pdev, struct pmt_callbacks *cb, u32 guid, void *buf, - void __iomem *addr, u32 count); + void __iomem *addr, loff_t off, u32 count); bool intel_pmt_is_early_client_hw(struct device *dev); int intel_pmt_dev_create(struct intel_pmt_entry *entry, struct intel_pmt_namespace *ns, |