* [PATCH 7/8] mvsas: get phy info.
@ 2008-03-21 11:06 Ke Wei
0 siblings, 0 replies; only message in thread
From: Ke Wei @ 2008-03-21 11:06 UTC (permalink / raw)
To: linux-scsi; +Cc: james.bottomley, jeff
removed unused code and attached SATA address makes use of port id.
enable HBA interrupt after calling sas_register_ha();
Signed-off-by: Ke Wei <kewei@marvell.com>
---
drivers/scsi/mvsas.c | 88
++++++++++++++++++++++++--------------------------
1 files changed, 42 insertions(+), 46 deletions(-)
diff --git a/drivers/scsi/mvsas.c b/drivers/scsi/mvsas.c
index 761beeb..b5de3d0 100644
--- a/drivers/scsi/mvsas.c
+++ b/drivers/scsi/mvsas.c
@@ -2743,7 +2743,7 @@ static void mvs_update_phyinfo(struct mvs_info
*mvi, int i,
{
struct mvs_phy *phy = &mvi->phy[i];
struct pci_dev *pdev = mvi->pdev;
- u32 tmp, j;
+ u32 tmp;
u64 tmp64;
mvs_write_port_cfg_addr(mvi, i, PHYR_IDENTIFY);
@@ -2770,46 +2770,20 @@ static void mvs_update_phyinfo(struct mvs_info
*mvi, int i,
sas_phy->linkrate =
(phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >>
PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET;
-
- /* Updated attached_sas_addr */
- mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_ADDR_HI);
- phy->att_dev_sas_addr =
- (u64) mvs_read_port_cfg_data(mvi, i) << 32;
-
- mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_ADDR_LO);
- phy->att_dev_sas_addr |= mvs_read_port_cfg_data(mvi, i);
-
- dev_printk(KERN_DEBUG, &pdev->dev,
- "phy[%d] Get Attached Address 0x%llX ,"
- " SAS Address 0x%llX\n",
- i, phy->att_dev_sas_addr, phy->dev_sas_addr);
- dev_printk(KERN_DEBUG, &pdev->dev,
- "Rate = %x , type = %d\n",
- sas_phy->linkrate, phy->phy_type);
-
-#if 1
- /*
- * If the device is capable of supporting a wide port
- * on its phys, it may configure the phys as a wide port.
- */
- if (phy->phy_type & PORT_TYPE_SAS)
- for (j = 0; j < mvi->chip->n_phy && j != i; ++j) {
- if ((mvi->phy[j].phy_attached) &&
- (mvi->phy[j].phy_type & PORT_TYPE_SAS))
- if (phy->att_dev_sas_addr ==
- mvi->phy[j].att_dev_sas_addr - 1) {
- phy->att_dev_sas_addr =
- mvi->phy[j].att_dev_sas_addr;
- break;
- }
- }
-
-#endif
-
- tmp64 = cpu_to_be64(phy->att_dev_sas_addr);
- memcpy(sas_phy->attached_sas_addr, &tmp64, SAS_ADDR_SIZE);
+ phy->minimum_linkrate =
+ (phy->phy_status &
+ PHY_MIN_SPP_PHYS_LINK_RATE_MASK) >> 8;
+ phy->maximum_linkrate =
+ (phy->phy_status &
+ PHY_MAX_SPP_PHYS_LINK_RATE_MASK) >> 12;
if (phy->phy_type & PORT_TYPE_SAS) {
+ /* Updated attached_sas_addr */
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_ADDR_HI);
+ phy->att_dev_sas_addr =
+ (u64) mvs_read_port_cfg_data(mvi, i) << 32;
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_ADDR_LO);
+ phy->att_dev_sas_addr |= mvs_read_port_cfg_data(mvi, i);
mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_DEV_INFO);
phy->att_dev_info = mvs_read_port_cfg_data(mvi, i);
phy->identify.device_type =
@@ -2828,6 +2802,7 @@ static void mvs_update_phyinfo(struct mvs_info
*mvi, int i,
} else if (phy->phy_type & PORT_TYPE_SATA) {
phy->identify.target_port_protocols = SAS_PROTOCOL_STP;
if (mvs_is_sig_fis_received(phy->irq_status)) {
+ phy->att_dev_sas_addr = i; /* temp */
if (phy_st & PHY_OOB_DTCTD)
sas_phy->oob_mode = SATA_OOB_MODE;
phy->frame_rcvd_size =
@@ -2837,20 +2812,34 @@ static void mvs_update_phyinfo(struct mvs_info
*mvi, int i,
} else {
dev_printk(KERN_DEBUG, &pdev->dev,
"No sig fis\n");
+ phy->phy_type &= ~(PORT_TYPE_SATA);
+ goto out_done;
}
}
+ tmp64 = cpu_to_be64(phy->att_dev_sas_addr);
+ memcpy(sas_phy->attached_sas_addr, &tmp64, SAS_ADDR_SIZE);
+
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "phy[%d] Get Attached Address 0x%llX ,"
+ " SAS Address 0x%llX\n",
+ i, phy->att_dev_sas_addr, phy->dev_sas_addr);
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "Rate = %x , type = %d\n",
+ sas_phy->linkrate, phy->phy_type);
+
/* workaround for HW phy decoding error on 1.5g disk drive */
mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE6);
tmp = mvs_read_port_vsr_data(mvi, i);
if (((phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >>
PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET) ==
SAS_LINK_RATE_1_5_GBPS)
- tmp &= ~PHY_MODE6_DTL_SPEED;
+ tmp &= ~PHY_MODE6_LATECLK;
else
- tmp |= PHY_MODE6_DTL_SPEED;
+ tmp |= PHY_MODE6_LATECLK;
mvs_write_port_vsr_data(mvi, i, tmp);
}
+out_done:
if (get_st)
mvs_write_port_irq_stat(mvi, i, phy->irq_status);
}
@@ -2875,6 +2864,11 @@ static void mvs_port_formed(struct asd_sas_phy
*sas_phy)
spin_unlock_irqrestore(&mvi->lock, flags);
}
+static int mvs_I_T_nexus_reset(struct domain_device *dev)
+{
+ return TMF_RESP_FUNC_FAILED;
+}
+
static int __devinit mvs_hw_init(struct mvs_info *mvi)
{
void __iomem *regs = mvi->regs;
@@ -3036,13 +3030,12 @@ static int __devinit mvs_hw_init(struct mvs_info
*mvi)
/* enable CMD/CMPL_Q/RESP mode */
mw32(PCS, PCS_SATA_RETRY | PCS_FIS_RX_EN | PCS_CMD_EN);
- /* re-enable interrupts globally */
- mvs_hba_interrupt_enable(mvi);
-
/* enable completion queue interrupt */
- tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM);
+ tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM | CINT_SRS);
mw32(INT_MASK, tmp);
+ /* Enable SRS interrupt */
+ mw32(INT_MASK_SRS, 0xFF);
return 0;
}
@@ -3116,6 +3109,8 @@ static int __devinit mvs_pci_init(struct pci_dev
*pdev,
mvs_print_info(mvi);
+ mvs_hba_interrupt_enable(mvi);
+
scsi_scan_host(mvi->shost);
return 0;
@@ -3161,7 +3156,8 @@ static struct sas_domain_function_template
mvs_transport_ops = {
.lldd_execute_task = mvs_task_exec,
.lldd_control_phy = mvs_phy_control,
.lldd_abort_task = mvs_task_abort,
- .lldd_port_formed = mvs_port_formed
+ .lldd_port_formed = mvs_port_formed,
+ .lldd_I_T_nexus_reset = mvs_I_T_nexus_reset,
};
static struct pci_device_id __devinitdata mvs_pci_table[] = {
--
1.5.4
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