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Revision 761bfb999868c413aabed8caa345694836ec6f11 authored by Alex Deucher on 06 August 2013, 17:34:00 UTC, committed by Alex Deucher on 07 August 2013, 21:37:19 UTC 
drm/radeon/dpm: require rlc for dpm
 
The rlc is required for dpm to work properly, so if
the rlc ucode is missing, don't enable dpm.  Enabling
dpm without the rlc enabled can result in hangs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 parent f61d5b4
Raw File
target_core_rd.h 
#ifndef TARGET_CORE_RD_H
#define TARGET_CORE_RD_H

#define RD_HBA_VERSION		"v4.0"
#define RD_MCP_VERSION		"4.0"

/* Largest piece of memory kmalloc can allocate */
#define RD_MAX_ALLOCATION_SIZE	65536
#define RD_DEVICE_QUEUE_DEPTH	32
#define RD_MAX_DEVICE_QUEUE_DEPTH 128
#define RD_BLOCKSIZE		512

/* Used in target_core_init_configfs() for virtual LUN 0 access */
int __init rd_module_init(void);
void rd_module_exit(void);

struct rd_dev_sg_table {
	u32		page_start_offset;
	u32		page_end_offset;
	u32		rd_sg_count;
	struct scatterlist *sg_table;
} ____cacheline_aligned;

#define RDF_HAS_PAGE_COUNT	0x01
#define RDF_NULLIO		0x02

struct rd_dev {
	struct se_device dev;
	u32		rd_flags;
	/* Unique Ramdisk Device ID in Ramdisk HBA */
	u32		rd_dev_id;
	/* Total page count for ramdisk device */
	u32		rd_page_count;
	/* Number of SG tables in sg_table_array */
	u32		sg_table_count;
	/* Array of rd_dev_sg_table_t containing scatterlists */
	struct rd_dev_sg_table *sg_table_array;
	/* Ramdisk HBA device is connected to */
	struct rd_host *rd_host;
} ____cacheline_aligned;

struct rd_host {
	u32		rd_host_dev_id_count;
	u32		rd_host_id;		/* Unique Ramdisk Host ID */
} ____cacheline_aligned;

#endif /* TARGET_CORE_RD_H */
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