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PCI/switchtec: Add Gen4 flash information interface support

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Add the new flash_info registers struct and the implementation of
ioctl_flash_part_info() for the new Gen4 hardware.

[logang@deltatee.com: rewrote commit message]
Link: https://lore.kernel.org/r/20200115035648.2578-7-logang@deltatee.com
Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Kelvin Cao
2020-01-14 20:56:47 -07:00
committed by Bjorn Helgaas
parent a3321ca394
commit 4efa1d2e36
3 changed files with 171 additions and 0 deletions
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8
include/uapi/linux/switchtec_ioctl.h
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@@ -32,7 +32,15 @@
#define SWITCHTEC_IOCTL_PART_VENDOR5 10
#define SWITCHTEC_IOCTL_PART_VENDOR6 11
#define SWITCHTEC_IOCTL_PART_VENDOR7 12
#define SWITCHTEC_IOCTL_PART_BL2_0 13
#define SWITCHTEC_IOCTL_PART_BL2_1 14
#define SWITCHTEC_IOCTL_PART_MAP_0 15
#define SWITCHTEC_IOCTL_PART_MAP_1 16
#define SWITCHTEC_IOCTL_PART_KEY_0 17
#define SWITCHTEC_IOCTL_PART_KEY_1 18
#define SWITCHTEC_NUM_PARTITIONS_GEN3 13
#define SWITCHTEC_NUM_PARTITIONS_GEN4 19
/* obsolete: for compatibility with old userspace software */
#define SWITCHTEC_IOCTL_NUM_PARTITIONS SWITCHTEC_NUM_PARTITIONS_GEN3