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hisi_sas: add v2 phy down handler

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Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
John Garry 2016-01-26 02:47:13 +08:00 committed by Martin K. Petersen
parent 7911e66f1f
commit 5473c06081
1 changed files with 49 additions and 0 deletions
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49
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
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@ -628,6 +628,29 @@ static void sl_notify_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
}
static int get_wideport_bitmap_v2_hw(struct hisi_hba *hisi_hba, int port_id)
{
int i, bitmap = 0;
u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
for (i = 0; i < (hisi_hba->n_phy < 9 ? hisi_hba->n_phy : 8); i++)
if (phy_state & 1 << i)
if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
bitmap |= 1 << i;
if (hisi_hba->n_phy == 9) {
u32 port_state = hisi_sas_read32(hisi_hba, PORT_STATE);
if (phy_state & 1 << 8)
if (((port_state & PORT_STATE_PHY8_PORT_NUM_MSK) >>
PORT_STATE_PHY8_PORT_NUM_OFF) == port_id)
bitmap |= 1 << 9;
}
return bitmap;
}
static int phy_up_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
{
int i, res = 0;
@ -705,6 +728,25 @@ end:
return res;
}
static int phy_down_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
{
int res = 0;
u32 phy_cfg, phy_state;
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 1);
phy_cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
hisi_sas_phy_down(hisi_hba, phy_no, (phy_state & 1 << phy_no) ? 1 : 0);
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK);
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0);
return res;
}
static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
{
struct hisi_hba *hisi_hba = p;
@ -726,6 +768,12 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
goto end;
}
if (irq_value & CHL_INT0_NOT_RDY_MSK)
/* phy down */
if (phy_down_v2_hw(phy_no, hisi_hba)) {
res = IRQ_NONE;
goto end;
}
}
irq_msk >>= 1;
phy_no++;
@ -796,6 +844,7 @@ static int hisi_sas_v2_init(struct hisi_hba *hisi_hba)
static const struct hisi_sas_hw hisi_sas_v2_hw = {
.hw_init = hisi_sas_v2_init,
.sl_notify = sl_notify_v2_hw,
.get_wideport_bitmap = get_wideport_bitmap_v2_hw,
.max_command_entries = HISI_SAS_COMMAND_ENTRIES_V2_HW,
.complete_hdr_size = sizeof(struct hisi_sas_complete_v2_hdr),
};