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Handle multi-sector reads by splitting them into subcommands.

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This commit is contained in:
Michael Brown
2006-05-29 08:25:31 +00:00
parent 9a2a52693d
commit 6541338897
4 changed files with 54 additions and 3 deletions
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2
src/include/gpxe/aoe.h
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@@ -110,6 +110,8 @@ struct aoe_session {
extern void aoe_open ( struct aoe_session *aoe );
extern void aoe_close ( struct aoe_session *aoe );
extern int aoe_issue ( struct aoe_session *aoe, struct ata_command *command );
extern int aoe_issue_split ( struct aoe_session *aoe,
struct ata_command *command );
/** An AoE device */
struct aoe_device {

3
src/include/gpxe/ata.h
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@@ -117,6 +117,9 @@ struct ata_cb {
/** Master ("device 0") flag in the ATA device register */
#define ATA_DEV_MASTER 0x00
/** Mask of non-LBA portion of device register */
#define ATA_DEV_MASK 0xf0
/** "Read sectors" command */
#define ATA_CMD_READ 0x20