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hisi_sas: Add scsi host registration

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Add functionality to register device as a scsi host.

The SAS domain transport ops are empty at this point.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
John Garry
2015-11-18 00:50:31 +08:00
committed by Martin K. Petersen
parent e8899fad96
commit 7eb7869f13
2 changed files with 150 additions and 0 deletions
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34
drivers/scsi/hisi_sas/hisi_sas.h
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@@ -23,4 +23,38 @@
#define DRV_VERSION "v1.0"
#define HISI_SAS_MAX_PHYS 9
#define HISI_SAS_MAX_ITCT_ENTRIES 4096
#define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES
#define HISI_SAS_COMMAND_ENTRIES 8192
struct hisi_sas_phy {
struct asd_sas_phy sas_phy;
};
struct hisi_sas_port {
struct asd_sas_port sas_port;
};
struct hisi_sas_hw {
};
struct hisi_hba {
/* This must be the first element, used by SHOST_TO_SAS_HA */
struct sas_ha_struct *p;
struct platform_device *pdev;
u8 sas_addr[SAS_ADDR_SIZE];
int n_phy;
/* SCSI/SAS glue */
struct sas_ha_struct sha;
struct Scsi_Host *shost;
struct hisi_sas_phy phy[HISI_SAS_MAX_PHYS];
struct hisi_sas_port port[HISI_SAS_MAX_PHYS];
const struct hisi_sas_hw *hw; /* Low level hw interface */
};
#define HISI_SAS_SGE_PAGE_CNT SCSI_MAX_SG_SEGMENTS
#endif