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Commit bfa9cb3e authored by Dan Williams's avatar Dan Williams Committed by Tejun Heo
Browse files

ahci-remap.h: add ahci remapping definitions 



Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
[hch: split into a separate header and commit]
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
[tj: dropped duplicate definition of AHCI_VSCAP spotted by Sergei]
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent a2e7eefd

include/linux/ahci-remap.h

0 → 100644
+28 −0
Original line number Diff line number Diff line 
#ifndef _LINUX_AHCI_REMAP_H

#define _LINUX_AHCI_REMAP_H



#include <linux/sizes.h>



#define AHCI_VSCAP		0xa4

#define AHCI_REMAP_CAP		0x800



/* device class code */

#define AHCI_REMAP_N_DCC	0x880



/* remap-device base relative to ahci-bar */

#define AHCI_REMAP_N_OFFSET	SZ_16K

#define AHCI_REMAP_N_SIZE	SZ_16K



#define AHCI_MAX_REMAP		3



static inline unsigned int ahci_remap_dcc(int i)

{

	return AHCI_REMAP_N_DCC + i * 0x80;

}



static inline unsigned int ahci_remap_base(int i)

{

	return AHCI_REMAP_N_OFFSET + i * AHCI_REMAP_N_SIZE;

}



#endif /* _LINUX_AHCI_REMAP_H */