[RFC PATCH 07/15] PCI/TSM: Track Device Interface Report MMIO range index

[Zhenzhong Duan <zhenzhong.duan@intel.com>]

TDX Connect's TDG.MMIO.ACCEPT interface identifies an MMIO range
by its index in the Device Interface Report. Preserve this report
index when building pci_tsm_mmio entries.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
---
 drivers/pci/tsm/core.c  | 1 +
 include/linux/pci-tsm.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/pci/tsm/core.c b/drivers/pci/tsm/core.c
index 19ad35f2da4a..3efb9c10d44b 100644
--- a/drivers/pci/tsm/core.c
+++ b/drivers/pci/tsm/core.c
@@ -754,6 +754,7 @@ struct pci_tsm_mmio *pci_tsm_mmio_alloc(struct pci_dev *pdev,
 		entry->res.start = range.start;
 		entry->res.end = range.end;
 		entry->tsm_offset = tsm_offset;
+		entry->index = i;
 		mmio->nr++;
 	}
 
diff --git a/include/linux/pci-tsm.h b/include/linux/pci-tsm.h
index be9f78ca2c1a..e5d9d7af2701 100644
--- a/include/linux/pci-tsm.h
+++ b/include/linux/pci-tsm.h
@@ -165,6 +165,7 @@ struct pci_tsm_pf0 {
 struct pci_tsm_mmio_entry {
 	struct resource res;
 	u64 tsm_offset;
+	int index;
 };
 
 struct pci_tsm_mmio {
-- 
2.52.0