summaryrefslogtreecommitdiff
path: root/drivers/platform/x86/intel/pmt/class.c
diff options
context:
space:
mode:
authorPaolo Abeni <pabeni@redhat.com>2024-09-27 08:13:52 +0200
committerPaolo Abeni <pabeni@redhat.com>2024-09-27 08:13:52 +0200
commit3a39d672e7f48b8d6b91a09afa4b55352773b4b5 (patch)
treef7ec4043b508f48430dd09ac338c38acf7d5a6cd /drivers/platform/x86/intel/pmt/class.c
parent151ac45348afc5b56baa584c7cd4876addf461ff (diff)
parent62a0e2fa40c5c06742b8b4997ba5095a3ec28503 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts and no adjacent changes. Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/platform/x86/intel/pmt/class.c')
-rw-r--r--drivers/platform/x86/intel/pmt/class.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/platform/x86/intel/pmt/class.c b/drivers/platform/x86/intel/pmt/class.c
index 4b53940a64e2..c04bb7f97a4d 100644
--- a/drivers/platform/x86/intel/pmt/class.c
+++ b/drivers/platform/x86/intel/pmt/class.c
@@ -9,12 +9,12 @@
*/
#include <linux/kernel.h>
+#include <linux/intel_vsec.h>
#include <linux/io-64-nonatomic-lo-hi.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/pci.h>
-#include "../vsec.h"
#include "class.h"
#define PMT_XA_START 1
@@ -58,6 +58,22 @@ pmt_memcpy64_fromio(void *to, const u64 __iomem *from, size_t count)
return count;
}
+int pmt_telem_read_mmio(struct pci_dev *pdev, struct pmt_callbacks *cb, u32 guid, void *buf,
+ void __iomem *addr, u32 count)
+{
+ if (cb && cb->read_telem)
+ return cb->read_telem(pdev, guid, buf, count);
+
+ if (guid == GUID_SPR_PUNIT)
+ /* PUNIT on SPR only supports aligned 64-bit read */
+ return pmt_memcpy64_fromio(buf, addr, count);
+
+ memcpy_fromio(buf, addr, count);
+
+ return count;
+}
+EXPORT_SYMBOL_NS_GPL(pmt_telem_read_mmio, INTEL_PMT);
+
/*
* sysfs
*/
@@ -79,11 +95,8 @@ intel_pmt_read(struct file *filp, struct kobject *kobj,
if (count > entry->size - off)
count = entry->size - off;
- if (entry->guid == GUID_SPR_PUNIT)
- /* PUNIT on SPR only supports aligned 64-bit read */
- count = pmt_memcpy64_fromio(buf, entry->base + off, count);
- else
- memcpy_fromio(buf, entry->base + off, count);
+ count = pmt_telem_read_mmio(entry->ep->pcidev, entry->cb, entry->header.guid, buf,
+ entry->base + off, count);
return count;
}
@@ -239,6 +252,7 @@ static int intel_pmt_populate_entry(struct intel_pmt_entry *entry,
entry->guid = header->guid;
entry->size = header->size;
+ entry->cb = ivdev->priv_data;
return 0;
}
@@ -300,7 +314,7 @@ static int intel_pmt_dev_register(struct intel_pmt_entry *entry,
goto fail_ioremap;
if (ns->pmt_add_endpoint) {
- ret = ns->pmt_add_endpoint(entry, ivdev->pcidev);
+ ret = ns->pmt_add_endpoint(ivdev, entry);
if (ret)
goto fail_add_endpoint;
}