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Commit c9d5c53d authored by Sudeep Dutt's avatar Sudeep Dutt Committed by Greg Kroah-Hartman
Browse files

misc: mic: Common MIC header file changes in preparation for SCIF 



Update mic_bootparam and define the maximum number of DMA channels

Reviewed-by: default avatarNikhil Rao <nikhil.rao@intel.com>
Reviewed-by: default avatarAshutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: default avatarSudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b55f0359

drivers/misc/mic/common/mic_dev.h

+3 −0
Original line number Diff line number Diff line
@@ -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

include/uapi/linux/mic_common.h

+12 −0
Original line number Diff line number Diff line
@@ -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)));



/**