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path: root/drivers/infiniband/hw/hfi1/chip.c
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Diffstat (limited to 'drivers/infiniband/hw/hfi1/chip.c')
-rw-r--r--drivers/infiniband/hw/hfi1/chip.c82
1 files changed, 35 insertions, 47 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index cc38004cea42..24d0820873cf 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -971,7 +971,9 @@ static struct flag_table dc8051_info_err_flags[] = {
FLAG_ENTRY0("Failed LNI(VerifyCap_1)", FAILED_LNI_VERIFY_CAP1),
FLAG_ENTRY0("Failed LNI(VerifyCap_2)", FAILED_LNI_VERIFY_CAP2),
FLAG_ENTRY0("Failed LNI(ConfigLT)", FAILED_LNI_CONFIGLT),
- FLAG_ENTRY0("Host Handshake Timeout", HOST_HANDSHAKE_TIMEOUT)
+ FLAG_ENTRY0("Host Handshake Timeout", HOST_HANDSHAKE_TIMEOUT),
+ FLAG_ENTRY0("External Device Request Timeout",
+ EXTERNAL_DEVICE_REQ_TIMEOUT),
};
/*
@@ -6299,19 +6301,8 @@ void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf)
/* leave shared count at zero for both global and VL15 */
write_global_credit(dd, vau, vl15buf, 0);
- /* We may need some credits for another VL when sending packets
- * with the snoop interface. Dividing it down the middle for VL15
- * and VL0 should suffice.
- */
- if (unlikely(dd->hfi1_snoop.mode_flag == HFI1_PORT_SNOOP_MODE)) {
- write_csr(dd, SEND_CM_CREDIT_VL15, (u64)(vl15buf >> 1)
- << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT);
- write_csr(dd, SEND_CM_CREDIT_VL, (u64)(vl15buf >> 1)
- << SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_SHIFT);
- } else {
- write_csr(dd, SEND_CM_CREDIT_VL15, (u64)vl15buf
- << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT);
- }
+ write_csr(dd, SEND_CM_CREDIT_VL15, (u64)vl15buf
+ << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT);
}
/*
@@ -6825,7 +6816,6 @@ void handle_link_up(struct work_struct *work)
set_link_down_reason(ppd, OPA_LINKDOWN_REASON_SPEED_POLICY, 0,
OPA_LINKDOWN_REASON_SPEED_POLICY);
set_link_state(ppd, HLS_DN_OFFLINE);
- tune_serdes(ppd);
start_link(ppd);
}
}
@@ -6998,12 +6988,10 @@ void handle_link_down(struct work_struct *work)
* If there is no cable attached, turn the DC off. Otherwise,
* start the link bring up.
*/
- if (ppd->port_type == PORT_TYPE_QSFP && !qsfp_mod_present(ppd)) {
+ if (ppd->port_type == PORT_TYPE_QSFP && !qsfp_mod_present(ppd))
dc_shutdown(ppd->dd);
- } else {
- tune_serdes(ppd);
+ else
start_link(ppd);
- }
}
void handle_link_bounce(struct work_struct *work)
@@ -7016,7 +7004,6 @@ void handle_link_bounce(struct work_struct *work)
*/
if (ppd->host_link_state & HLS_UP) {
set_link_state(ppd, HLS_DN_OFFLINE);
- tune_serdes(ppd);
start_link(ppd);
} else {
dd_dev_info(ppd->dd, "%s: link not up (%s), nothing to do\n",
@@ -7531,7 +7518,6 @@ done:
set_link_down_reason(ppd, OPA_LINKDOWN_REASON_WIDTH_POLICY, 0,
OPA_LINKDOWN_REASON_WIDTH_POLICY);
set_link_state(ppd, HLS_DN_OFFLINE);
- tune_serdes(ppd);
start_link(ppd);
}
}
@@ -9161,6 +9147,12 @@ set_local_link_attributes_fail:
*/
int start_link(struct hfi1_pportdata *ppd)
{
+ /*
+ * Tune the SerDes to a ballpark setting for optimal signal and bit
+ * error rate. Needs to be done before starting the link.
+ */
+ tune_serdes(ppd);
+
if (!ppd->link_enabled) {
dd_dev_info(ppd->dd,
"%s: stopping link start because link is disabled\n",
@@ -9401,8 +9393,6 @@ void qsfp_event(struct work_struct *work)
*/
set_qsfp_int_n(ppd, 1);
- tune_serdes(ppd);
-
start_link(ppd);
}
@@ -9544,11 +9534,6 @@ static void try_start_link(struct hfi1_pportdata *ppd)
}
ppd->qsfp_retry_count = 0;
- /*
- * Tune the SerDes to a ballpark setting for optimal signal and bit
- * error rate. Needs to be done before starting the link.
- */
- tune_serdes(ppd);
start_link(ppd);
}
@@ -9718,12 +9703,12 @@ void hfi1_clear_tids(struct hfi1_ctxtdata *rcd)
hfi1_put_tid(dd, i, PT_INVALID, 0, 0);
}
-struct hfi1_message_header *hfi1_get_msgheader(
- struct hfi1_devdata *dd, __le32 *rhf_addr)
+struct ib_header *hfi1_get_msgheader(
+ struct hfi1_devdata *dd, __le32 *rhf_addr)
{
u32 offset = rhf_hdrq_offset(rhf_to_cpu(rhf_addr));
- return (struct hfi1_message_header *)
+ return (struct ib_header *)
(rhf_addr - dd->rhf_offset + offset);
}
@@ -9919,9 +9904,6 @@ static void set_lidlmc(struct hfi1_pportdata *ppd)
u32 mask = ~((1U << ppd->lmc) - 1);
u64 c1 = read_csr(ppd->dd, DCC_CFG_PORT_CONFIG1);
- if (dd->hfi1_snoop.mode_flag)
- dd_dev_info(dd, "Set lid/lmc while snooping");
-
c1 &= ~(DCC_CFG_PORT_CONFIG1_TARGET_DLID_SMASK
| DCC_CFG_PORT_CONFIG1_DLID_MASK_SMASK);
c1 |= ((ppd->lid & DCC_CFG_PORT_CONFIG1_TARGET_DLID_MASK)
@@ -11559,10 +11541,10 @@ void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op, int ctxt)
!(rcvctrl & RCV_CTXT_CTRL_ENABLE_SMASK)) {
/* reset the tail and hdr addresses, and sequence count */
write_kctxt_csr(dd, ctxt, RCV_HDR_ADDR,
- rcd->rcvhdrq_phys);
+ rcd->rcvhdrq_dma);
if (HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL))
write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR,
- rcd->rcvhdrqtailaddr_phys);
+ rcd->rcvhdrqtailaddr_dma);
rcd->seq_cnt = 1;
/* reset the cached receive header queue head value */
@@ -11627,9 +11609,9 @@ void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op, int ctxt)
* update with a dummy tail address and then disable
* receive context.
*/
- if (dd->rcvhdrtail_dummy_physaddr) {
+ if (dd->rcvhdrtail_dummy_dma) {
write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR,
- dd->rcvhdrtail_dummy_physaddr);
+ dd->rcvhdrtail_dummy_dma);
/* Enabling RcvCtxtCtrl.TailUpd is intentional. */
rcvctrl |= RCV_CTXT_CTRL_TAIL_UPD_SMASK;
}
@@ -11640,7 +11622,7 @@ void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op, int ctxt)
rcvctrl |= RCV_CTXT_CTRL_INTR_AVAIL_SMASK;
if (op & HFI1_RCVCTRL_INTRAVAIL_DIS)
rcvctrl &= ~RCV_CTXT_CTRL_INTR_AVAIL_SMASK;
- if (op & HFI1_RCVCTRL_TAILUPD_ENB && rcd->rcvhdrqtailaddr_phys)
+ if (op & HFI1_RCVCTRL_TAILUPD_ENB && rcd->rcvhdrqtailaddr_dma)
rcvctrl |= RCV_CTXT_CTRL_TAIL_UPD_SMASK;
if (op & HFI1_RCVCTRL_TAILUPD_DIS) {
/* See comment on RcvCtxtCtrl.TailUpd above */
@@ -11712,7 +11694,7 @@ void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op, int ctxt)
* so it doesn't contain an address that is invalid.
*/
write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR,
- dd->rcvhdrtail_dummy_physaddr);
+ dd->rcvhdrtail_dummy_dma);
}
u32 hfi1_read_cntrs(struct hfi1_devdata *dd, char **namep, u64 **cntrp)
@@ -12116,7 +12098,7 @@ static void update_synth_timer(unsigned long opaque)
mod_timer(&dd->synth_stats_timer, jiffies + HZ * SYNTH_CNT_TIME);
}
-#define C_MAX_NAME 13 /* 12 chars + one for /0 */
+#define C_MAX_NAME 16 /* 15 chars + one for /0 */
static int init_cntrs(struct hfi1_devdata *dd)
{
int i, rcv_ctxts, j;
@@ -13389,9 +13371,9 @@ static void init_rbufs(struct hfi1_devdata *dd)
/*
* Give up after 1ms - maximum wait time.
*
- * RBuf size is 148KiB. Slowest possible is PCIe Gen1 x1 at
+ * RBuf size is 136KiB. Slowest possible is PCIe Gen1 x1 at
* 250MB/s bandwidth. Lower rate to 66% for overhead to get:
- * 148 KB / (66% * 250MB/s) = 920us
+ * 136 KB / (66% * 250MB/s) = 844us
*/
if (count++ > 500) {
dd_dev_err(dd,
@@ -14467,7 +14449,7 @@ struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev,
* Any error printing is already done by the init code.
* On return, we have the chip mapped.
*/
- ret = hfi1_pcie_ddinit(dd, pdev, ent);
+ ret = hfi1_pcie_ddinit(dd, pdev);
if (ret < 0)
goto bail_free;
@@ -14570,6 +14552,11 @@ struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev,
if (ret)
goto bail_cleanup;
+ /* call before get_platform_config(), after init_chip_resources() */
+ ret = eprom_init(dd);
+ if (ret)
+ goto bail_free_rcverr;
+
/* Needs to be called before hfi1_firmware_init */
get_platform_config(dd);
@@ -14690,9 +14677,10 @@ struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev,
if (ret)
goto bail_free_cntrs;
- ret = eprom_init(dd);
- if (ret)
- goto bail_free_rcverr;
+ init_completion(&dd->user_comp);
+
+ /* The user refcount starts with one to inidicate an active device */
+ atomic_set(&dd->user_refcount, 1);
goto bail;
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