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-rw-r--r--drivers/infiniband/hw/mlx5/mr.c8
-rw-r--r--drivers/infiniband/hw/qib/qib.h2
-rw-r--r--drivers/infiniband/hw/qib/qib_iba7322.c114
-rw-r--r--drivers/infiniband/hw/qib/qib_init.c6
-rw-r--r--drivers/infiniband/hw/qib/qib_sdma.c56
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c10
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/debugfs.c12
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/main.c2
9 files changed, 189 insertions, 24 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index e2daa8f02476..bd41df95b6f0 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -171,7 +171,7 @@ static ssize_t size_write(struct file *filp, const char __user *buf,
int c;
if (copy_from_user(lbuf, buf, sizeof(lbuf)))
- return -EPERM;
+ return -EFAULT;
c = order2idx(dev, ent->order);
lbuf[sizeof(lbuf) - 1] = 0;
@@ -208,7 +208,7 @@ static ssize_t size_read(struct file *filp, char __user *buf, size_t count,
return err;
if (copy_to_user(buf, lbuf, err))
- return -EPERM;
+ return -EFAULT;
*pos += err;
@@ -233,7 +233,7 @@ static ssize_t limit_write(struct file *filp, const char __user *buf,
int c;
if (copy_from_user(lbuf, buf, sizeof(lbuf)))
- return -EPERM;
+ return -EFAULT;
c = order2idx(dev, ent->order);
lbuf[sizeof(lbuf) - 1] = 0;
@@ -270,7 +270,7 @@ static ssize_t limit_read(struct file *filp, char __user *buf, size_t count,
return err;
if (copy_to_user(buf, lbuf, err))
- return -EPERM;
+ return -EFAULT;
*pos += err;
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index 5453e2b36567..4a9af795b88f 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -1348,7 +1348,7 @@ static inline int __qib_sdma_running(struct qib_pportdata *ppd)
return ppd->sdma_state.current_state == qib_sdma_state_s99_running;
}
int qib_sdma_running(struct qib_pportdata *);
-
+void dump_sdma_state(struct qib_pportdata *ppd);
void __qib_sdma_process_event(struct qib_pportdata *, enum qib_sdma_events);
void qib_sdma_process_event(struct qib_pportdata *, enum qib_sdma_events);
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index f7c4b44b1f93..21e8b09d4bf8 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -83,6 +83,7 @@ static void ibsd_wr_allchans(struct qib_pportdata *, int, unsigned, unsigned);
static void serdes_7322_los_enable(struct qib_pportdata *, int);
static int serdes_7322_init_old(struct qib_pportdata *);
static int serdes_7322_init_new(struct qib_pportdata *);
+static void dump_sdma_7322_state(struct qib_pportdata *);
#define BMASK(msb, lsb) (((1 << ((msb) + 1 - (lsb))) - 1) << (lsb))
@@ -652,6 +653,7 @@ struct qib_chippport_specific {
u8 ibmalfusesnap;
struct qib_qsfp_data qsfp_data;
char epmsgbuf[192]; /* for port error interrupt msg buffer */
+ char sdmamsgbuf[192]; /* for per-port sdma error messages */
};
static struct {
@@ -1601,6 +1603,15 @@ static void sdma_7322_p_errors(struct qib_pportdata *ppd, u64 errs)
spin_lock_irqsave(&ppd->sdma_lock, flags);
+ if (errs != QIB_E_P_SDMAHALT) {
+ /* SDMA errors have QIB_E_P_SDMAHALT and another bit set */
+ qib_dev_porterr(dd, ppd->port,
+ "SDMA %s 0x%016llx %s\n",
+ qib_sdma_state_names[ppd->sdma_state.current_state],
+ errs, ppd->cpspec->sdmamsgbuf);
+ dump_sdma_7322_state(ppd);
+ }
+
switch (ppd->sdma_state.current_state) {
case qib_sdma_state_s00_hw_down:
break;
@@ -2156,6 +2167,29 @@ static void qib_7322_handle_hwerrors(struct qib_devdata *dd, char *msg,
qib_dev_err(dd, "%s hardware error\n", msg);
+ if (hwerrs &
+ (SYM_MASK(HwErrMask, SDmaMemReadErrMask_0) |
+ SYM_MASK(HwErrMask, SDmaMemReadErrMask_1))) {
+ int pidx = 0;
+ int err;
+ unsigned long flags;
+ struct qib_pportdata *ppd = dd->pport;
+ for (; pidx < dd->num_pports; ++pidx, ppd++) {
+ err = 0;
+ if (pidx == 0 && (hwerrs &
+ SYM_MASK(HwErrMask, SDmaMemReadErrMask_0)))
+ err++;
+ if (pidx == 1 && (hwerrs &
+ SYM_MASK(HwErrMask, SDmaMemReadErrMask_1)))
+ err++;
+ if (err) {
+ spin_lock_irqsave(&ppd->sdma_lock, flags);
+ dump_sdma_7322_state(ppd);
+ spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+ }
+ }
+ }
+
if (isfatal && !dd->diag_client) {
qib_dev_err(dd,
"Fatal Hardware Error, no longer usable, SN %.16s\n",
@@ -6753,6 +6787,86 @@ static void qib_sdma_set_7322_desc_cnt(struct qib_pportdata *ppd, unsigned cnt)
qib_write_kreg_port(ppd, krp_senddmadesccnt, cnt);
}
+/*
+ * sdma_lock should be acquired before calling this routine
+ */
+static void dump_sdma_7322_state(struct qib_pportdata *ppd)
+{
+ u64 reg, reg1, reg2;
+
+ reg = qib_read_kreg_port(ppd, krp_senddmastatus);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmastatus: 0x%016llx\n", reg);
+
+ reg = qib_read_kreg_port(ppd, krp_sendctrl);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA sendctrl: 0x%016llx\n", reg);
+
+ reg = qib_read_kreg_port(ppd, krp_senddmabase);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmabase: 0x%016llx\n", reg);
+
+ reg = qib_read_kreg_port(ppd, krp_senddmabufmask0);
+ reg1 = qib_read_kreg_port(ppd, krp_senddmabufmask1);
+ reg2 = qib_read_kreg_port(ppd, krp_senddmabufmask2);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmabufmask 0:%llx 1:%llx 2:%llx\n",
+ reg, reg1, reg2);
+
+ /* get bufuse bits, clear them, and print them again if non-zero */
+ reg = qib_read_kreg_port(ppd, krp_senddmabuf_use0);
+ qib_write_kreg_port(ppd, krp_senddmabuf_use0, reg);
+ reg1 = qib_read_kreg_port(ppd, krp_senddmabuf_use1);
+ qib_write_kreg_port(ppd, krp_senddmabuf_use0, reg1);
+ reg2 = qib_read_kreg_port(ppd, krp_senddmabuf_use2);
+ qib_write_kreg_port(ppd, krp_senddmabuf_use0, reg2);
+ /* 0 and 1 should always be zero, so print as short form */
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA current senddmabuf_use 0:%llx 1:%llx 2:%llx\n",
+ reg, reg1, reg2);
+ reg = qib_read_kreg_port(ppd, krp_senddmabuf_use0);
+ reg1 = qib_read_kreg_port(ppd, krp_senddmabuf_use1);
+ reg2 = qib_read_kreg_port(ppd, krp_senddmabuf_use2);
+ /* 0 and 1 should always be zero, so print as short form */
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA cleared senddmabuf_use 0:%llx 1:%llx 2:%llx\n",
+ reg, reg1, reg2);
+
+ reg = qib_read_kreg_port(ppd, krp_senddmatail);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmatail: 0x%016llx\n", reg);
+
+ reg = qib_read_kreg_port(ppd, krp_senddmahead);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmahead: 0x%016llx\n", reg);
+
+ reg = qib_read_kreg_port(ppd, krp_senddmaheadaddr);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmaheadaddr: 0x%016llx\n", reg);
+
+ reg = qib_read_kreg_port(ppd, krp_senddmalengen);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmalengen: 0x%016llx\n", reg);
+
+ reg = qib_read_kreg_port(ppd, krp_senddmadesccnt);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmadesccnt: 0x%016llx\n", reg);
+
+ reg = qib_read_kreg_port(ppd, krp_senddmaidlecnt);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmaidlecnt: 0x%016llx\n", reg);
+
+ reg = qib_read_kreg_port(ppd, krp_senddmaprioritythld);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmapriorityhld: 0x%016llx\n", reg);
+
+ reg = qib_read_kreg_port(ppd, krp_senddmareloadcnt);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA senddmareloadcnt: 0x%016llx\n", reg);
+
+ dump_sdma_state(ppd);
+}
+
static struct sdma_set_state_action sdma_7322_action_table[] = {
[qib_sdma_state_s00_hw_down] = {
.go_s99_running_tofalse = 1,
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index fdae42973056..36e048e0e1d9 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -1350,7 +1350,7 @@ static void cleanup_device_data(struct qib_devdata *dd)
if (dd->pageshadow) {
struct page **tmpp = dd->pageshadow;
dma_addr_t *tmpd = dd->physshadow;
- int i, cnt = 0;
+ int i;
for (ctxt = 0; ctxt < dd->cfgctxts; ctxt++) {
int ctxt_tidbase = ctxt * dd->rcvtidcnt;
@@ -1363,13 +1363,13 @@ static void cleanup_device_data(struct qib_devdata *dd)
PAGE_SIZE, PCI_DMA_FROMDEVICE);
qib_release_user_pages(&tmpp[i], 1);
tmpp[i] = NULL;
- cnt++;
}
}
- tmpp = dd->pageshadow;
dd->pageshadow = NULL;
vfree(tmpp);
+ dd->physshadow = NULL;
+ vfree(tmpd);
}
/*
diff --git a/drivers/infiniband/hw/qib/qib_sdma.c b/drivers/infiniband/hw/qib/qib_sdma.c
index 3fc514431212..32162d355370 100644
--- a/drivers/infiniband/hw/qib/qib_sdma.c
+++ b/drivers/infiniband/hw/qib/qib_sdma.c
@@ -708,6 +708,62 @@ unlock:
return ret;
}
+/*
+ * sdma_lock should be acquired before calling this routine
+ */
+void dump_sdma_state(struct qib_pportdata *ppd)
+{
+ struct qib_sdma_desc *descq;
+ struct qib_sdma_txreq *txp, *txpnext;
+ __le64 *descqp;
+ u64 desc[2];
+ dma_addr_t addr;
+ u16 gen, dwlen, dwoffset;
+ u16 head, tail, cnt;
+
+ head = ppd->sdma_descq_head;
+ tail = ppd->sdma_descq_tail;
+ cnt = qib_sdma_descq_freecnt(ppd);
+ descq = ppd->sdma_descq;
+
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA ppd->sdma_descq_head: %u\n", head);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA ppd->sdma_descq_tail: %u\n", tail);
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA sdma_descq_freecnt: %u\n", cnt);
+
+ /* print info for each entry in the descriptor queue */
+ while (head != tail) {
+ char flags[6] = { 'x', 'x', 'x', 'x', 'x', 0 };
+
+ descqp = &descq[head].qw[0];
+ desc[0] = le64_to_cpu(descqp[0]);
+ desc[1] = le64_to_cpu(descqp[1]);
+ flags[0] = (desc[0] & 1<<15) ? 'I' : '-';
+ flags[1] = (desc[0] & 1<<14) ? 'L' : 'S';
+ flags[2] = (desc[0] & 1<<13) ? 'H' : '-';
+ flags[3] = (desc[0] & 1<<12) ? 'F' : '-';
+ flags[4] = (desc[0] & 1<<11) ? 'L' : '-';
+ addr = (desc[1] << 32) | ((desc[0] >> 32) & 0xfffffffcULL);
+ gen = (desc[0] >> 30) & 3ULL;
+ dwlen = (desc[0] >> 14) & (0x7ffULL << 2);
+ dwoffset = (desc[0] & 0x7ffULL) << 2;
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA sdmadesc[%u]: flags:%s addr:0x%016llx gen:%u len:%u bytes offset:%u bytes\n",
+ head, flags, addr, gen, dwlen, dwoffset);
+ if (++head == ppd->sdma_descq_cnt)
+ head = 0;
+ }
+
+ /* print dma descriptor indices from the TX requests */
+ list_for_each_entry_safe(txp, txpnext, &ppd->sdma_activelist,
+ list)
+ qib_dev_porterr(ppd->dd, ppd->port,
+ "SDMA txp->start_idx: %u txp->next_descq_idx: %u\n",
+ txp->start_idx, txp->next_descq_idx);
+}
+
void qib_sdma_process_event(struct qib_pportdata *ppd,
enum qib_sdma_events event)
{
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 9d8b46eafdb2..f93baf8254c4 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1753,8 +1753,7 @@ static int srp_abort(struct scsi_cmnd *scmnd)
if (!req || !srp_claim_req(target, req, scmnd))
return FAILED;
if (srp_send_tsk_mgmt(target, req->index, scmnd->device->lun,
- SRP_TSK_ABORT_TASK) == 0 ||
- target->transport_offline)
+ SRP_TSK_ABORT_TASK) == 0)
ret = SUCCESS;
else if (target->transport_offline)
ret = FAST_IO_FAIL;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index c1c0eef89694..205753a04cfc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -693,7 +693,7 @@ static ssize_t dbg_write(struct file *filp, const char __user *buf,
return -ENOMEM;
if (copy_from_user(lbuf, buf, sizeof(lbuf)))
- return -EPERM;
+ return -EFAULT;
lbuf[sizeof(lbuf) - 1] = 0;
@@ -889,7 +889,7 @@ static ssize_t data_write(struct file *filp, const char __user *buf,
return -ENOMEM;
if (copy_from_user(ptr, buf, count)) {
- err = -EPERM;
+ err = -EFAULT;
goto out;
}
dbg->in_msg = ptr;
@@ -919,7 +919,7 @@ static ssize_t data_read(struct file *filp, char __user *buf, size_t count,
copy = min_t(int, count, dbg->outlen);
if (copy_to_user(buf, dbg->out_msg, copy))
- return -EPERM;
+ return -EFAULT;
*pos += copy;
@@ -949,7 +949,7 @@ static ssize_t outlen_read(struct file *filp, char __user *buf, size_t count,
return err;
if (copy_to_user(buf, &outlen, err))
- return -EPERM;
+ return -EFAULT;
*pos += err;
@@ -974,7 +974,7 @@ static ssize_t outlen_write(struct file *filp, const char __user *buf,
dbg->outlen = 0;
if (copy_from_user(outlen_str, buf, count))
- return -EPERM;
+ return -EFAULT;
outlen_str[7] = 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
index a550a8ef94a1..4273c06e2e96 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
@@ -148,7 +148,6 @@ static ssize_t average_read(struct file *filp, char __user *buf, size_t count,
struct mlx5_cmd_stats *stats;
u64 field = 0;
int ret;
- int err;
char tbuf[22];
if (*pos)
@@ -161,9 +160,8 @@ static ssize_t average_read(struct file *filp, char __user *buf, size_t count,
spin_unlock(&stats->lock);
ret = snprintf(tbuf, sizeof(tbuf), "%llu\n", field);
if (ret > 0) {
- err = copy_to_user(buf, tbuf, ret);
- if (err)
- return err;
+ if (copy_to_user(buf, tbuf, ret))
+ return -EFAULT;
}
*pos += ret;
@@ -418,7 +416,6 @@ static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count,
char tbuf[18];
u64 field;
int ret;
- int err;
if (*pos)
return 0;
@@ -445,9 +442,8 @@ static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count,
ret = snprintf(tbuf, sizeof(tbuf), "0x%llx\n", field);
if (ret > 0) {
- err = copy_to_user(buf, tbuf, ret);
- if (err)
- return err;
+ if (copy_to_user(buf, tbuf, ret))
+ return -EFAULT;
}
*pos += ret;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index f21cc397d1bc..12242de2b0e3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -212,7 +212,7 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
set_ctx->hca_cap.log_max_qp = dev->profile->log_max_qp;
memset(&set_out, 0, sizeof(set_out));
- set_ctx->hca_cap.uar_page_sz = cpu_to_be16(PAGE_SHIFT - 12);
+ set_ctx->hca_cap.log_uar_page_sz = cpu_to_be16(PAGE_SHIFT - 12);
set_ctx->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_SET_HCA_CAP);
err = mlx5_cmd_exec(dev, set_ctx, sizeof(*set_ctx),
&set_out, sizeof(set_out));
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.