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| author | John Garry <john.garry@huawei.com> | 2015-11-17 16:50:51 (GMT) |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2015-11-26 03:13:03 (GMT) |
| commit | abda97c2fe874cd8826fe25a77f66c75bcc7b5cd (patch) | |
| tree | 4627582a54a4f5e2dd52556e9991fe6e1f4b81ea /drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | |
| parent | 27a3f2292ea2508d2d1ddd85846910a69ed95a3f (diff) | |
| download | linux-abda97c2fe874cd8826fe25a77f66c75bcc7b5cd.tar.xz | |
hisi_sas: Add dev_found and dev_gone
Add functions to deal with lldd_dev_found and lldd_dev_gone.
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>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_v1_hw.c')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 6711c0a..530e771 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -498,6 +498,46 @@ static void init_id_frame_v1_hw(struct hisi_hba *hisi_hba) config_id_frame_v1_hw(hisi_hba, i); } +static void setup_itct_v1_hw(struct hisi_hba *hisi_hba, + struct hisi_sas_device *sas_dev) +{ + struct domain_device *device = sas_dev->sas_device; + struct device *dev = &hisi_hba->pdev->dev; + u64 qw0, device_id = sas_dev->device_id; + struct hisi_sas_itct *itct = &hisi_hba->itct[device_id]; + + memset(itct, 0, sizeof(*itct)); + + /* qw0 */ + qw0 = 0; + switch (sas_dev->dev_type) { + case SAS_END_DEVICE: + case SAS_EDGE_EXPANDER_DEVICE: + case SAS_FANOUT_EXPANDER_DEVICE: + qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF; + break; + default: + dev_warn(dev, "setup itct: unsupported dev type (%d)\n", + sas_dev->dev_type); + } + + qw0 |= ((1 << ITCT_HDR_VALID_OFF) | + (1 << ITCT_HDR_AWT_CONTROL_OFF) | + (device->max_linkrate << ITCT_HDR_MAX_CONN_RATE_OFF) | + (1 << ITCT_HDR_VALID_LINK_NUM_OFF) | + (device->port->id << ITCT_HDR_PORT_ID_OFF)); + itct->qw0 = cpu_to_le64(qw0); + + /* qw1 */ + memcpy(&itct->sas_addr, device->sas_addr, SAS_ADDR_SIZE); + itct->sas_addr = __swab64(itct->sas_addr); + + /* qw2 */ + itct->qw2 = cpu_to_le64((500 < ITCT_HDR_IT_NEXUS_LOSS_TL_OFF) | + (0xff00 < ITCT_HDR_BUS_INACTIVE_TL_OFF) | + (0xff00 < ITCT_HDR_MAX_CONN_TL_OFF) | + (0xff00 < ITCT_HDR_REJ_OPEN_TL_OFF)); +} static void free_device_v1_hw(struct hisi_hba *hisi_hba, struct hisi_sas_device *sas_dev) @@ -1452,6 +1492,7 @@ static int hisi_sas_v1_init(struct hisi_hba *hisi_hba) static const struct hisi_sas_hw hisi_sas_v1_hw = { .hw_init = hisi_sas_v1_init, + .setup_itct = setup_itct_v1_hw, .sl_notify = sl_notify_v1_hw, .free_device = free_device_v1_hw, .prep_ssp = prep_ssp_v1_hw, |