Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
ocfs2: fix regression in ocfs2_read_blocks_sync()
ocfs2: fix return value set in init_dlmfs_fs()
ocfs2: Small documentation update
ocfs2: fix wake_up in unlock_ast
ocfs2: initialize stack_user lvbptr
ocfs2: comments typo fix
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 8e37be1..d6d97d8 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1066,6 +1066,21 @@
if (dmi_find_device(DMI_DEV_TYPE_OEM_STRING, oemstrs[i], NULL))
return 1;
+ /* TECRA M4 sometimes forgets its identify and reports bogus
+ * DMI information. As the bogus information is a bit
+ * generic, match as many entries as possible. This manual
+ * matching is necessary because dmi_system_id.matches is
+ * limited to four entries.
+ */
+ if (!strcmp(dmi_get_system_info(DMI_SYS_VENDOR), "TOSHIBA") &&
+ !strcmp(dmi_get_system_info(DMI_PRODUCT_NAME), "000000") &&
+ !strcmp(dmi_get_system_info(DMI_PRODUCT_VERSION), "000000") &&
+ !strcmp(dmi_get_system_info(DMI_PRODUCT_SERIAL), "000000") &&
+ !strcmp(dmi_get_system_info(DMI_BOARD_VENDOR), "TOSHIBA") &&
+ !strcmp(dmi_get_system_info(DMI_BOARD_NAME), "Portable PC") &&
+ !strcmp(dmi_get_system_info(DMI_BOARD_VERSION), "Version A0"))
+ return 1;
+
return 0;
}
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 4214bfb1..5e2eb74 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2492,6 +2492,13 @@
}
}
+ if ((dev->horkage & ATA_HORKAGE_FIRMWARE_WARN) && print_info) {
+ ata_dev_printk(dev, KERN_WARNING, "WARNING: device requires "
+ "firmware update to be fully functional.\n");
+ ata_dev_printk(dev, KERN_WARNING, " contact the vendor "
+ "or visit http://ata.wiki.kernel.org.\n");
+ }
+
return 0;
err_out_nosup:
@@ -4042,6 +4049,20 @@
{ "ST380817AS", "3.42", ATA_HORKAGE_NONCQ },
{ "ST3160023AS", "3.42", ATA_HORKAGE_NONCQ },
+ /* Seagate NCQ + FLUSH CACHE firmware bug */
+ { "ST31500341AS", "9JU138", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST31000333AS", "9FZ136", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3640623AS", "9FZ164", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3640323AS", "9FZ134", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3320813AS", "9FZ182", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3320613AS", "9FZ162", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+
/* Blacklist entries taken from Silicon Image 3124/3132
Windows driver .inf file - also several Linux problem reports */
{ "HTS541060G9SA00", "MB3OC60D", ATA_HORKAGE_NONCQ, },
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
index f8b3ffc..c2e6fb9 100644
--- a/drivers/ata/pata_rb532_cf.c
+++ b/drivers/ata/pata_rb532_cf.c
@@ -39,9 +39,11 @@
#define RB500_CF_MAXPORTS 1
#define RB500_CF_IO_DELAY 400
-#define RB500_CF_REG_CMD 0x0800
+#define RB500_CF_REG_BASE 0x0800
+#define RB500_CF_REG_ERR 0x080D
#define RB500_CF_REG_CTRL 0x080E
-#define RB500_CF_REG_DATA 0x0C00
+/* 32bit buffered data register offset */
+#define RB500_CF_REG_DBUF32 0x0C00
struct rb532_cf_info {
void __iomem *iobase;
@@ -72,11 +74,12 @@
rb532_pata_finish_io(ap);
}
-static void rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
+static unsigned int rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
unsigned int buflen, int write_data)
{
struct ata_port *ap = adev->link->ap;
void __iomem *ioaddr = ap->ioaddr.data_addr;
+ int retlen = buflen;
if (write_data) {
for (; buflen > 0; buflen--, buf++)
@@ -87,6 +90,7 @@
}
rb532_pata_finish_io(adev->link->ap);
+ return retlen;
}
static void rb532_pata_freeze(struct ata_port *ap)
@@ -146,13 +150,14 @@
ap->pio_mask = 0x1f; /* PIO4 */
ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO;
- ap->ioaddr.cmd_addr = info->iobase + RB500_CF_REG_CMD;
+ ap->ioaddr.cmd_addr = info->iobase + RB500_CF_REG_BASE;
ap->ioaddr.ctl_addr = info->iobase + RB500_CF_REG_CTRL;
ap->ioaddr.altstatus_addr = info->iobase + RB500_CF_REG_CTRL;
ata_sff_std_ports(&ap->ioaddr);
- ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DATA;
+ ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DBUF32;
+ ap->ioaddr.error_addr = info->iobase + RB500_CF_REG_ERR;
}
static __devinit int rb532_pata_driver_probe(struct platform_device *pdev)
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 4df887a..7fc35cf 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -163,7 +163,8 @@
/* struct for tracking if cqes have been reported to the application */
struct ehca_qmap_entry {
u16 app_wr_id;
- u16 reported;
+ u8 reported;
+ u8 cqe_req;
};
struct ehca_queue_map {
@@ -171,6 +172,7 @@
unsigned int entries;
unsigned int tail;
unsigned int left_to_poll;
+ unsigned int next_wqe_idx; /* Idx to first wqe to be flushed */
};
struct ehca_qp {
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index bb02a86..bec7e02 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -994,8 +994,7 @@
if (printk_timed_ratelimit(&ehca_dmem_warn_time,
30 * 1000))
ehca_gen_err("DMEM operations are not allowed"
- "as long as an ehca adapter is"
- "attached to the LPAR");
+ "in conjunction with eHCA");
return NOTIFY_BAD;
}
}
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 9e05ee2..cadbf0c 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -435,9 +435,13 @@
{
int i;
- qmap->tail = 0;
- for (i = 0; i < qmap->entries; i++)
+ qmap->tail = qmap->entries - 1;
+ qmap->left_to_poll = 0;
+ qmap->next_wqe_idx = 0;
+ for (i = 0; i < qmap->entries; i++) {
qmap->map[i].reported = 1;
+ qmap->map[i].cqe_req = 0;
+ }
}
/*
@@ -1121,6 +1125,7 @@
void *wqe_v;
u64 q_ofs;
u32 wqe_idx;
+ unsigned int tail_idx;
/* convert real to abs address */
wqe_p = wqe_p & (~(1UL << 63));
@@ -1133,12 +1138,17 @@
return -EFAULT;
}
+ tail_idx = (qmap->tail + 1) % qmap->entries;
wqe_idx = q_ofs / ipz_queue->qe_size;
- if (wqe_idx < qmap->tail)
- qmap->left_to_poll = (qmap->entries - qmap->tail) + wqe_idx;
- else
- qmap->left_to_poll = wqe_idx - qmap->tail;
+ /* check all processed wqes, whether a cqe is requested or not */
+ while (tail_idx != wqe_idx) {
+ if (qmap->map[tail_idx].cqe_req)
+ qmap->left_to_poll++;
+ tail_idx = (tail_idx + 1) % qmap->entries;
+ }
+ /* save index in queue, where we have to start flushing */
+ qmap->next_wqe_idx = wqe_idx;
return 0;
}
@@ -1185,10 +1195,14 @@
} else {
spin_lock_irqsave(&my_qp->send_cq->spinlock, flags);
my_qp->sq_map.left_to_poll = 0;
+ my_qp->sq_map.next_wqe_idx = (my_qp->sq_map.tail + 1) %
+ my_qp->sq_map.entries;
spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags);
spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags);
my_qp->rq_map.left_to_poll = 0;
+ my_qp->rq_map.next_wqe_idx = (my_qp->rq_map.tail + 1) %
+ my_qp->rq_map.entries;
spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, flags);
}
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index 6492807..00a648f 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -179,6 +179,7 @@
qmap_entry->app_wr_id = get_app_wr_id(send_wr->wr_id);
qmap_entry->reported = 0;
+ qmap_entry->cqe_req = 0;
switch (send_wr->opcode) {
case IB_WR_SEND:
@@ -203,8 +204,10 @@
if ((send_wr->send_flags & IB_SEND_SIGNALED ||
qp->init_attr.sq_sig_type == IB_SIGNAL_ALL_WR)
- && !hidden)
+ && !hidden) {
wqe_p->wr_flag |= WQE_WRFLAG_REQ_SIGNAL_COM;
+ qmap_entry->cqe_req = 1;
+ }
if (send_wr->opcode == IB_WR_SEND_WITH_IMM ||
send_wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM) {
@@ -569,6 +572,7 @@
qmap_entry = &my_qp->rq_map.map[rq_map_idx];
qmap_entry->app_wr_id = get_app_wr_id(cur_recv_wr->wr_id);
qmap_entry->reported = 0;
+ qmap_entry->cqe_req = 1;
wqe_cnt++;
} /* eof for cur_recv_wr */
@@ -706,19 +710,6 @@
goto repoll;
wc->qp = &my_qp->ib_qp;
- if (is_error) {
- /*
- * set left_to_poll to 0 because in error state, we will not
- * get any additional CQEs
- */
- ehca_add_to_err_list(my_qp, 1);
- my_qp->sq_map.left_to_poll = 0;
-
- if (HAS_RQ(my_qp))
- ehca_add_to_err_list(my_qp, 0);
- my_qp->rq_map.left_to_poll = 0;
- }
-
qmap_tail_idx = get_app_wr_id(cqe->work_request_id);
if (!(cqe->w_completion_flags & WC_SEND_RECEIVE_BIT))
/* We got a send completion. */
@@ -727,6 +718,26 @@
/* We got a receive completion. */
qmap = &my_qp->rq_map;
+ /* advance the tail pointer */
+ qmap->tail = qmap_tail_idx;
+
+ if (is_error) {
+ /*
+ * set left_to_poll to 0 because in error state, we will not
+ * get any additional CQEs
+ */
+ my_qp->sq_map.next_wqe_idx = (my_qp->sq_map.tail + 1) %
+ my_qp->sq_map.entries;
+ my_qp->sq_map.left_to_poll = 0;
+ ehca_add_to_err_list(my_qp, 1);
+
+ my_qp->rq_map.next_wqe_idx = (my_qp->rq_map.tail + 1) %
+ my_qp->rq_map.entries;
+ my_qp->rq_map.left_to_poll = 0;
+ if (HAS_RQ(my_qp))
+ ehca_add_to_err_list(my_qp, 0);
+ }
+
qmap_entry = &qmap->map[qmap_tail_idx];
if (qmap_entry->reported) {
ehca_warn(cq->device, "Double cqe on qp_num=%#x",
@@ -738,10 +749,6 @@
wc->wr_id = replace_wr_id(cqe->work_request_id, qmap_entry->app_wr_id);
qmap_entry->reported = 1;
- /* this is a proper completion, we need to advance the tail pointer */
- if (++qmap->tail == qmap->entries)
- qmap->tail = 0;
-
/* if left_to_poll is decremented to 0, add the QP to the error list */
if (qmap->left_to_poll > 0) {
qmap->left_to_poll--;
@@ -805,13 +812,14 @@
else
qmap = &my_qp->rq_map;
- qmap_entry = &qmap->map[qmap->tail];
+ qmap_entry = &qmap->map[qmap->next_wqe_idx];
while ((nr < num_entries) && (qmap_entry->reported == 0)) {
/* generate flush CQE */
+
memset(wc, 0, sizeof(*wc));
- offset = qmap->tail * ipz_queue->qe_size;
+ offset = qmap->next_wqe_idx * ipz_queue->qe_size;
wqe = (struct ehca_wqe *)ipz_qeit_calc(ipz_queue, offset);
if (!wqe) {
ehca_err(cq->device, "Invalid wqe offset=%#lx on "
@@ -850,11 +858,12 @@
wc->qp = &my_qp->ib_qp;
- /* mark as reported and advance tail pointer */
+ /* mark as reported and advance next_wqe pointer */
qmap_entry->reported = 1;
- if (++qmap->tail == qmap->entries)
- qmap->tail = 0;
- qmap_entry = &qmap->map[qmap->tail];
+ qmap->next_wqe_idx++;
+ if (qmap->next_wqe_idx == qmap->entries)
+ qmap->next_wqe_idx = 0;
+ qmap_entry = &qmap->map[qmap->next_wqe_idx];
wc++; nr++;
}
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index d0866a3..1830849 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -343,6 +343,7 @@
{
struct mlx4_ib_dev *dev = to_mdev(ibcq->device);
struct mlx4_ib_cq *cq = to_mcq(ibcq);
+ struct mlx4_mtt mtt;
int outst_cqe;
int err;
@@ -376,10 +377,13 @@
goto out;
}
+ mtt = cq->buf.mtt;
+
err = mlx4_cq_resize(dev->dev, &cq->mcq, entries, &cq->resize_buf->buf.mtt);
if (err)
goto err_buf;
+ mlx4_mtt_cleanup(dev->dev, &mtt);
if (ibcq->uobject) {
cq->buf = cq->resize_buf->buf;
cq->ibcq.cqe = cq->resize_buf->cqe;
@@ -406,6 +410,7 @@
goto out;
err_buf:
+ mlx4_mtt_cleanup(dev->dev, &cq->resize_buf->buf.mtt);
if (!ibcq->uobject)
mlx4_ib_free_cq_buf(dev, &cq->resize_buf->buf,
cq->resize_buf->cqe);
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 468921b8..90a0281 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -753,6 +753,7 @@
struct mlx4_priv *priv = mlx4_priv(dev);
int err;
int port;
+ __be32 ib_port_default_caps;
err = mlx4_init_uar_table(dev);
if (err) {
@@ -852,6 +853,13 @@
}
for (port = 1; port <= dev->caps.num_ports; port++) {
+ ib_port_default_caps = 0;
+ err = mlx4_get_port_ib_caps(dev, port, &ib_port_default_caps);
+ if (err)
+ mlx4_warn(dev, "failed to get port %d default "
+ "ib capabilities (%d). Continuing with "
+ "caps = 0\n", port, err);
+ dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
err = mlx4_SET_PORT(dev, port);
if (err) {
mlx4_err(dev, "Failed to set port %d, aborting\n",
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index 56a2e21..34c909d 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -385,5 +385,6 @@
void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port);
+int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
#endif /* MLX4_H */
diff --git a/drivers/net/mlx4/port.c b/drivers/net/mlx4/port.c
index e2fdab4..0a057e5 100644
--- a/drivers/net/mlx4/port.c
+++ b/drivers/net/mlx4/port.c
@@ -258,6 +258,42 @@
}
EXPORT_SYMBOL_GPL(mlx4_unregister_vlan);
+int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps)
+{
+ struct mlx4_cmd_mailbox *inmailbox, *outmailbox;
+ u8 *inbuf, *outbuf;
+ int err;
+
+ inmailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(inmailbox))
+ return PTR_ERR(inmailbox);
+
+ outmailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(outmailbox)) {
+ mlx4_free_cmd_mailbox(dev, inmailbox);
+ return PTR_ERR(outmailbox);
+ }
+
+ inbuf = inmailbox->buf;
+ outbuf = outmailbox->buf;
+ memset(inbuf, 0, 256);
+ memset(outbuf, 0, 256);
+ inbuf[0] = 1;
+ inbuf[1] = 1;
+ inbuf[2] = 1;
+ inbuf[3] = 1;
+ *(__be16 *) (&inbuf[16]) = cpu_to_be16(0x0015);
+ *(__be32 *) (&inbuf[20]) = cpu_to_be32(port);
+
+ err = mlx4_cmd_box(dev, inmailbox->dma, outmailbox->dma, port, 3,
+ MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C);
+ if (!err)
+ *caps = *(__be32 *) (outbuf + 84);
+ mlx4_free_cmd_mailbox(dev, inmailbox);
+ mlx4_free_cmd_mailbox(dev, outmailbox);
+ return err;
+}
+
int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port)
{
struct mlx4_cmd_mailbox *mailbox;
@@ -273,7 +309,8 @@
((u8 *) mailbox->buf)[3] = 6;
((__be16 *) mailbox->buf)[4] = cpu_to_be16(1 << 15);
((__be16 *) mailbox->buf)[6] = cpu_to_be16(1 << 15);
- }
+ } else
+ ((__be32 *) mailbox->buf)[1] = dev->caps.ib_port_def_cap[port];
err = mlx4_cmd(dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT,
MLX4_CMD_TIME_CLASS_B);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 59b0f1c..ed3f26e 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -375,6 +375,7 @@
ATA_HORKAGE_BRIDGE_OK = (1 << 10), /* no bridge limits */
ATA_HORKAGE_ATAPI_MOD16_DMA = (1 << 11), /* use ATAPI DMA for commands
not multiple of 16 bytes */
+ ATA_HORKAGE_FIRMWARE_WARN = (1 << 12), /* firwmare update warning */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index bd9977b..371086f 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -179,6 +179,7 @@
int num_ports;
int vl_cap[MLX4_MAX_PORTS + 1];
int ib_mtu_cap[MLX4_MAX_PORTS + 1];
+ __be32 ib_port_def_cap[MLX4_MAX_PORTS + 1];
u64 def_mac[MLX4_MAX_PORTS + 1];
int eth_mtu_cap[MLX4_MAX_PORTS + 1];
int gid_table_len[MLX4_MAX_PORTS + 1];