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| author | Sudeep Dutt <sudeep.dutt@intel.com> | 2015-04-29 15:32:32 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-24 22:13:36 +0300 |
| commit | c9d5c53db959e587d8b59c6a202e2dca741baac4 (patch) | |
| tree | e2d81c9b6162275d388c8c89fbb03b0a7958047e | |
| parent | b55f0359c19bae3be8fbda1281c071bc72c0dd55 (diff) | |
| download | linux-c9d5c53db959e587d8b59c6a202e2dca741baac4.tar.xz | |
misc: mic: Common MIC header file changes in preparation for SCIF
Update mic_bootparam and define the maximum number of DMA channels
Reviewed-by: Nikhil Rao <nikhil.rao@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/misc/mic/common/mic_dev.h | 3 | ||||
| -rw-r--r-- | include/uapi/linux/mic_common.h | 12 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/misc/mic/common/mic_dev.h b/drivers/misc/mic/common/mic_dev.h index 92999c2bbf82..0b58c46045dc 100644 --- a/drivers/misc/mic/common/mic_dev.h +++ b/drivers/misc/mic/common/mic_dev.h @@ -48,4 +48,7 @@ struct mic_mw { #define MIC_VIRTIO_PARAM_DEV_REMOVE 0x1 #define MIC_VIRTIO_PARAM_CONFIG_CHANGED 0x2 +/* Maximum number of DMA channels */ +#define MIC_MAX_DMA_CHAN 4 + #endif diff --git a/include/uapi/linux/mic_common.h b/include/uapi/linux/mic_common.h index 6eb40244e019..302a2ced373c 100644 --- a/include/uapi/linux/mic_common.h +++ b/include/uapi/linux/mic_common.h @@ -80,6 +80,12 @@ struct mic_device_ctrl { * @h2c_config_db: Host to Card Virtio config doorbell set by card * @shutdown_status: Card shutdown status set by card * @shutdown_card: Set to 1 by the host when a card shutdown is initiated + * @tot_nodes: Total number of nodes in the SCIF network + * @node_id: Unique id of the node + * @h2c_scif_db - Host to card SCIF doorbell set by card + * @c2h_scif_db - Card to host SCIF doorbell set by host + * @scif_host_dma_addr - SCIF host queue pair DMA address + * @scif_card_dma_addr - SCIF card queue pair DMA address */ struct mic_bootparam { __le32 magic; @@ -88,6 +94,12 @@ struct mic_bootparam { __s8 h2c_config_db; __u8 shutdown_status; __u8 shutdown_card; + __u8 tot_nodes; + __u8 node_id; + __u8 h2c_scif_db; + __u8 c2h_scif_db; + __u64 scif_host_dma_addr; + __u64 scif_card_dma_addr; } __attribute__ ((aligned(8))); /** |