From: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
To: "David E. Box" <david.e.box@linux.intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
platform-driver-x86@vger.kernel.org,
rajvi.jingar@linux.intel.com
Subject: Re: [PATCH 03/11] platform/x86/intel/pmt: Add header to struct intel_pmt_entry
Date: Tue, 26 Sep 2023 17:43:03 +0300 (EEST) [thread overview]
Message-ID: <fb605dba-f3d3-dff2-95d5-a2b4e92ab0c5@linux.intel.com> (raw)
In-Reply-To: <20230922213032.1770590-4-david.e.box@linux.intel.com>
[-- Attachment #1: Type: text/plain, Size: 4715 bytes --]
On Fri, 22 Sep 2023, David E. Box wrote:
> The PMT header is passed to several functions. Instead, store the header in
> struct intel_pmt_entry which is also passed to these functions and shorten
> the argument list. This simplifies the calls in preparation for later
> changes.
>
> Signed-off-by: David E. Box <david.e.box@linux.intel.com>
> ---
> drivers/platform/x86/intel/pmt/class.c | 8 +++-----
> drivers/platform/x86/intel/pmt/class.h | 16 ++++++++--------
> drivers/platform/x86/intel/pmt/crashlog.c | 2 +-
> drivers/platform/x86/intel/pmt/telemetry.c | 2 +-
> 4 files changed, 13 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/platform/x86/intel/pmt/class.c b/drivers/platform/x86/intel/pmt/class.c
> index 32608baaa56c..142a24e3727d 100644
> --- a/drivers/platform/x86/intel/pmt/class.c
> +++ b/drivers/platform/x86/intel/pmt/class.c
> @@ -159,12 +159,12 @@ static struct class intel_pmt_class = {
> };
>
> static int intel_pmt_populate_entry(struct intel_pmt_entry *entry,
> - struct intel_pmt_header *header,
> struct intel_vsec_device *ivdev,
> struct resource *disc_res)
> {
> struct pci_dev *pci_dev = ivdev->pcidev;
> struct device *dev = &ivdev->auxdev.dev;
> + struct intel_pmt_header *header = &entry->header;
> u8 bir;
>
> /*
> @@ -313,7 +313,6 @@ int intel_pmt_dev_create(struct intel_pmt_entry *entry, struct intel_pmt_namespa
> struct intel_vsec_device *intel_vsec_dev, int idx)
> {
> struct device *dev = &intel_vsec_dev->auxdev.dev;
> - struct intel_pmt_header header;
> struct resource *disc_res;
> int ret;
>
> @@ -323,16 +322,15 @@ int intel_pmt_dev_create(struct intel_pmt_entry *entry, struct intel_pmt_namespa
> if (IS_ERR(entry->disc_table))
> return PTR_ERR(entry->disc_table);
>
> - ret = ns->pmt_header_decode(entry, &header, dev);
> + ret = ns->pmt_header_decode(entry, dev);
> if (ret)
> return ret;
>
> - ret = intel_pmt_populate_entry(entry, &header, intel_vsec_dev, disc_res);
> + ret = intel_pmt_populate_entry(entry, intel_vsec_dev, disc_res);
> if (ret)
> return ret;
>
> return intel_pmt_dev_register(entry, ns, dev);
> -
> }
> EXPORT_SYMBOL_NS_GPL(intel_pmt_dev_create, INTEL_PMT);
>
> diff --git a/drivers/platform/x86/intel/pmt/class.h b/drivers/platform/x86/intel/pmt/class.h
> index db11d58867ce..e477a19f6700 100644
> --- a/drivers/platform/x86/intel/pmt/class.h
> +++ b/drivers/platform/x86/intel/pmt/class.h
> @@ -18,7 +18,15 @@
> #define GET_BIR(v) ((v) & GENMASK(2, 0))
> #define GET_ADDRESS(v) ((v) & GENMASK(31, 3))
>
> +struct intel_pmt_header {
> + u32 base_offset;
> + u32 size;
> + u32 guid;
> + u8 access_type;
> +};
> +
> struct intel_pmt_entry {
> + struct intel_pmt_header header;
> struct bin_attribute pmt_bin_attr;
> struct kobject *kobj;
> void __iomem *disc_table;
> @@ -29,19 +37,11 @@ struct intel_pmt_entry {
> int devid;
> };
>
> -struct intel_pmt_header {
> - u32 base_offset;
> - u32 size;
> - u32 guid;
> - u8 access_type;
> -};
> -
> struct intel_pmt_namespace {
> const char *name;
> struct xarray *xa;
> const struct attribute_group *attr_grp;
> int (*pmt_header_decode)(struct intel_pmt_entry *entry,
> - struct intel_pmt_header *header,
> struct device *dev);
> };
>
> diff --git a/drivers/platform/x86/intel/pmt/crashlog.c b/drivers/platform/x86/intel/pmt/crashlog.c
> index bbb3d61d09f4..4014c02cafdb 100644
> --- a/drivers/platform/x86/intel/pmt/crashlog.c
> +++ b/drivers/platform/x86/intel/pmt/crashlog.c
> @@ -223,10 +223,10 @@ static const struct attribute_group pmt_crashlog_group = {
> };
>
> static int pmt_crashlog_header_decode(struct intel_pmt_entry *entry,
> - struct intel_pmt_header *header,
> struct device *dev)
> {
> void __iomem *disc_table = entry->disc_table;
> + struct intel_pmt_header *header = &entry->header;
> struct crashlog_entry *crashlog;
>
> if (!pmt_crashlog_supported(entry))
> diff --git a/drivers/platform/x86/intel/pmt/telemetry.c b/drivers/platform/x86/intel/pmt/telemetry.c
> index 39cbc87cc28a..f86080e8bebd 100644
> --- a/drivers/platform/x86/intel/pmt/telemetry.c
> +++ b/drivers/platform/x86/intel/pmt/telemetry.c
> @@ -58,10 +58,10 @@ static bool pmt_telem_region_overlaps(struct intel_pmt_entry *entry,
> }
>
> static int pmt_telem_header_decode(struct intel_pmt_entry *entry,
> - struct intel_pmt_header *header,
> struct device *dev)
> {
> void __iomem *disc_table = entry->disc_table;
> + struct intel_pmt_header *header = &entry->header;
>
> if (pmt_telem_region_overlaps(entry, dev))
> return 1;
>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
--
i.
next prev parent reply other threads:[~2023-09-26 14:44 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-22 21:30 [PATCH 00/11] intel_pmc: Add telemetry API to read counters David E. Box
2023-09-22 21:30 ` [PATCH 01/11] platform/x86/intel/vsec: Add intel_vsec_register David E. Box
2023-09-26 14:17 ` Ilpo Järvinen
2023-09-26 23:51 ` David E. Box
2023-09-22 21:30 ` [PATCH 02/11] platform/x86/intel/vsec: Add base address field David E. Box
2023-09-26 14:39 ` Ilpo Järvinen
2023-09-22 21:30 ` [PATCH 03/11] platform/x86/intel/pmt: Add header to struct intel_pmt_entry David E. Box
2023-09-26 14:43 ` Ilpo Järvinen [this message]
2023-09-22 21:30 ` [PATCH 04/11] platform/x86/intel/pmt: telemetry: Export API to read telemetry David E. Box
2023-09-26 15:40 ` Ilpo Järvinen
2023-09-26 23:59 ` David E. Box
2023-09-22 21:30 ` [PATCH 05/11] platform/x86:intel/pmc: Move get_low_power_modes function David E. Box
2023-09-26 15:56 ` Ilpo Järvinen
2023-09-27 0:16 ` David E. Box
2023-09-22 21:30 ` [PATCH 06/11] platform/x86/intel/pmc: Split pmc_core_ssram_get_pmc() David E. Box
2023-09-22 21:30 ` [PATCH 07/11] platform/x86/intel/pmc: Find and register PMC telemetry entries David E. Box
2023-09-22 21:30 ` [PATCH 08/11] platform/x86/intel/pmc: Display LPM requirements for multiple PMCs David E. Box
2023-09-22 21:30 ` [PATCH 09/11] platform/x86/intel/pmc: Retrieve LPM information using Intel PMT David E. Box
2023-09-26 16:07 ` Ilpo Järvinen
2023-09-22 21:30 ` [PATCH 10/11] platform/x86/intel/pmc: Read low power mode requirements for MTL-M and MTL-P David E. Box
2023-09-26 16:03 ` Ilpo Järvinen
2023-09-27 0:20 ` David E. Box
2023-09-22 21:30 ` [PATCH 11/11] platform/x86/intel/pmc: Add debug attribute for Die C6 counter David E. Box
2023-09-26 16:11 ` Ilpo Järvinen
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