[11/29] net/ena/base: use 48-bit memory addresses in ena_com
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Commit Message
ENA device is using 48-bit memory for IO. because of that, the upper
limit had to be updated.
Signed-off-by: Michal Krawczyk <mk@semihalf.com>
Reviewed-by: Igor Chauskin <igorch@amazon.com>
Reviewed-by: Guy Tzalik <gtzalik@amazon.com>
---
drivers/net/ena/base/ena_com.c | 2 +-
drivers/net/ena/base/ena_defs/ena_common_defs.h | 6 +++++-
2 files changed, 6 insertions(+), 2 deletions(-)
@@ -73,7 +73,7 @@ static int ena_com_mem_addr_set(struct ena_com_dev *ena_dev,
}
ena_addr->mem_addr_low = lower_32_bits(addr);
- ena_addr->mem_addr_high = upper_32_bits(addr);
+ ena_addr->mem_addr_high = (u16)upper_32_bits(addr);
return 0;
}
@@ -9,10 +9,14 @@
#define ENA_COMMON_SPEC_VERSION_MAJOR 2
#define ENA_COMMON_SPEC_VERSION_MINOR 0
+/* ENA operates with 48-bit memory addresses. ena_mem_addr_t */
struct ena_common_mem_addr {
uint32_t mem_addr_low;
- uint32_t mem_addr_high;
+ uint16_t mem_addr_high;
+
+ /* MBZ */
+ uint16_t reserved16;
};
#endif /* _ENA_COMMON_H_ */