Commit dc847d5b authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma fixes from Doug Ledford:
 "The new hfi1 driver in staging/rdma has had a number of fixup patches
  since being added to the tree.  This is the first batch of those fixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
  IB/hfi: Properly set permissions for user device files
  IB/hfi1: mask vs shift confusion
  IB/hfi1: clean up some defines
  IB/hfi1: info leak in get_ctxt_info()
  IB/hfi1: fix a locking bug
  IB/hfi1: checking for NULL instead of IS_ERR
  IB/hfi1: fix sdma_descq_cnt parameter parsing
  IB/hfi1: fix copy_to/from_user() error handling
  IB/hfi1: fix pstateinfo from returning improperly byteswapped value
parents 2673ee56 e116a64f
...@@ -2710,7 +2710,7 @@ int acquire_lcb_access(struct hfi1_devdata *dd, int sleep_ok) ...@@ -2710,7 +2710,7 @@ int acquire_lcb_access(struct hfi1_devdata *dd, int sleep_ok)
if (sleep_ok) { if (sleep_ok) {
mutex_lock(&ppd->hls_lock); mutex_lock(&ppd->hls_lock);
} else { } else {
while (mutex_trylock(&ppd->hls_lock) == EBUSY) while (!mutex_trylock(&ppd->hls_lock))
udelay(1); udelay(1);
} }
...@@ -2758,7 +2758,7 @@ int release_lcb_access(struct hfi1_devdata *dd, int sleep_ok) ...@@ -2758,7 +2758,7 @@ int release_lcb_access(struct hfi1_devdata *dd, int sleep_ok)
if (sleep_ok) { if (sleep_ok) {
mutex_lock(&dd->pport->hls_lock); mutex_lock(&dd->pport->hls_lock);
} else { } else {
while (mutex_trylock(&dd->pport->hls_lock) == EBUSY) while (!mutex_trylock(&dd->pport->hls_lock))
udelay(1); udelay(1);
} }
......
...@@ -57,11 +57,13 @@ ...@@ -57,11 +57,13 @@
#include "device.h" #include "device.h"
static struct class *class; static struct class *class;
static struct class *user_class;
static dev_t hfi1_dev; static dev_t hfi1_dev;
int hfi1_cdev_init(int minor, const char *name, int hfi1_cdev_init(int minor, const char *name,
const struct file_operations *fops, const struct file_operations *fops,
struct cdev *cdev, struct device **devp) struct cdev *cdev, struct device **devp,
bool user_accessible)
{ {
const dev_t dev = MKDEV(MAJOR(hfi1_dev), minor); const dev_t dev = MKDEV(MAJOR(hfi1_dev), minor);
struct device *device = NULL; struct device *device = NULL;
...@@ -78,7 +80,11 @@ int hfi1_cdev_init(int minor, const char *name, ...@@ -78,7 +80,11 @@ int hfi1_cdev_init(int minor, const char *name,
goto done; goto done;
} }
if (user_accessible)
device = device_create(user_class, NULL, dev, NULL, "%s", name);
else
device = device_create(class, NULL, dev, NULL, "%s", name); device = device_create(class, NULL, dev, NULL, "%s", name);
if (!IS_ERR(device)) if (!IS_ERR(device))
goto done; goto done;
ret = PTR_ERR(device); ret = PTR_ERR(device);
...@@ -110,6 +116,26 @@ const char *class_name(void) ...@@ -110,6 +116,26 @@ const char *class_name(void)
return hfi1_class_name; return hfi1_class_name;
} }
static char *hfi1_devnode(struct device *dev, umode_t *mode)
{
if (mode)
*mode = 0600;
return kasprintf(GFP_KERNEL, "%s", dev_name(dev));
}
static const char *hfi1_class_name_user = "hfi1_user";
const char *class_name_user(void)
{
return hfi1_class_name_user;
}
static char *hfi1_user_devnode(struct device *dev, umode_t *mode)
{
if (mode)
*mode = 0666;
return kasprintf(GFP_KERNEL, "%s", dev_name(dev));
}
int __init dev_init(void) int __init dev_init(void)
{ {
int ret; int ret;
...@@ -125,7 +151,22 @@ int __init dev_init(void) ...@@ -125,7 +151,22 @@ int __init dev_init(void)
ret = PTR_ERR(class); ret = PTR_ERR(class);
pr_err("Could not create device class (err %d)\n", -ret); pr_err("Could not create device class (err %d)\n", -ret);
unregister_chrdev_region(hfi1_dev, HFI1_NMINORS); unregister_chrdev_region(hfi1_dev, HFI1_NMINORS);
goto done;
} }
class->devnode = hfi1_devnode;
user_class = class_create(THIS_MODULE, class_name_user());
if (IS_ERR(user_class)) {
ret = PTR_ERR(user_class);
pr_err("Could not create device class for user accessible files (err %d)\n",
-ret);
class_destroy(class);
class = NULL;
user_class = NULL;
unregister_chrdev_region(hfi1_dev, HFI1_NMINORS);
goto done;
}
user_class->devnode = hfi1_user_devnode;
done: done:
return ret; return ret;
...@@ -133,10 +174,11 @@ int __init dev_init(void) ...@@ -133,10 +174,11 @@ int __init dev_init(void)
void dev_cleanup(void) void dev_cleanup(void)
{ {
if (class) {
class_destroy(class); class_destroy(class);
class = NULL; class = NULL;
}
class_destroy(user_class);
user_class = NULL;
unregister_chrdev_region(hfi1_dev, HFI1_NMINORS); unregister_chrdev_region(hfi1_dev, HFI1_NMINORS);
} }
...@@ -52,7 +52,8 @@ ...@@ -52,7 +52,8 @@
int hfi1_cdev_init(int minor, const char *name, int hfi1_cdev_init(int minor, const char *name,
const struct file_operations *fops, const struct file_operations *fops,
struct cdev *cdev, struct device **devp); struct cdev *cdev, struct device **devp,
bool user_accessible);
void hfi1_cdev_cleanup(struct cdev *cdev, struct device **devp); void hfi1_cdev_cleanup(struct cdev *cdev, struct device **devp);
const char *class_name(void); const char *class_name(void);
int __init dev_init(void); int __init dev_init(void);
......
...@@ -292,7 +292,7 @@ int hfi1_diag_add(struct hfi1_devdata *dd) ...@@ -292,7 +292,7 @@ int hfi1_diag_add(struct hfi1_devdata *dd)
if (atomic_inc_return(&diagpkt_count) == 1) { if (atomic_inc_return(&diagpkt_count) == 1) {
ret = hfi1_cdev_init(HFI1_DIAGPKT_MINOR, name, ret = hfi1_cdev_init(HFI1_DIAGPKT_MINOR, name,
&diagpkt_file_ops, &diagpkt_cdev, &diagpkt_file_ops, &diagpkt_cdev,
&diagpkt_device); &diagpkt_device, false);
} }
return ret; return ret;
...@@ -592,7 +592,8 @@ static int hfi1_snoop_add(struct hfi1_devdata *dd, const char *name) ...@@ -592,7 +592,8 @@ static int hfi1_snoop_add(struct hfi1_devdata *dd, const char *name)
ret = hfi1_cdev_init(HFI1_SNOOP_CAPTURE_BASE + dd->unit, name, ret = hfi1_cdev_init(HFI1_SNOOP_CAPTURE_BASE + dd->unit, name,
&snoop_file_ops, &snoop_file_ops,
&dd->hfi1_snoop.cdev, &dd->hfi1_snoop.class_dev); &dd->hfi1_snoop.cdev, &dd->hfi1_snoop.class_dev,
false);
if (ret) { if (ret) {
dd_dev_err(dd, "Couldn't create %s device: %d", name, ret); dd_dev_err(dd, "Couldn't create %s device: %d", name, ret);
...@@ -1012,11 +1013,10 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) ...@@ -1012,11 +1013,10 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
case HFI1_SNOOP_IOCSETLINKSTATE_EXTRA: case HFI1_SNOOP_IOCSETLINKSTATE_EXTRA:
memset(&link_info, 0, sizeof(link_info)); memset(&link_info, 0, sizeof(link_info));
ret = copy_from_user(&link_info, if (copy_from_user(&link_info,
(struct hfi1_link_info __user *)arg, (struct hfi1_link_info __user *)arg,
sizeof(link_info)); sizeof(link_info)))
if (ret) ret = -EFAULT;
break;
value = link_info.port_state; value = link_info.port_state;
index = link_info.port_number; index = link_info.port_number;
...@@ -1080,9 +1080,10 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) ...@@ -1080,9 +1080,10 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
case HFI1_SNOOP_IOCGETLINKSTATE_EXTRA: case HFI1_SNOOP_IOCGETLINKSTATE_EXTRA:
if (cmd == HFI1_SNOOP_IOCGETLINKSTATE_EXTRA) { if (cmd == HFI1_SNOOP_IOCGETLINKSTATE_EXTRA) {
memset(&link_info, 0, sizeof(link_info)); memset(&link_info, 0, sizeof(link_info));
ret = copy_from_user(&link_info, if (copy_from_user(&link_info,
(struct hfi1_link_info __user *)arg, (struct hfi1_link_info __user *)arg,
sizeof(link_info)); sizeof(link_info)))
ret = -EFAULT;
index = link_info.port_number; index = link_info.port_number;
} else { } else {
ret = __get_user(index, (int __user *) arg); ret = __get_user(index, (int __user *) arg);
...@@ -1114,9 +1115,10 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) ...@@ -1114,9 +1115,10 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
ppd->link_speed_active; ppd->link_speed_active;
link_info.link_width_active = link_info.link_width_active =
ppd->link_width_active; ppd->link_width_active;
ret = copy_to_user( if (copy_to_user(
(struct hfi1_link_info __user *)arg, (struct hfi1_link_info __user *)arg,
&link_info, sizeof(link_info)); &link_info, sizeof(link_info)))
ret = -EFAULT;
} else { } else {
ret = __put_user(value, (int __user *)arg); ret = __put_user(value, (int __user *)arg);
} }
...@@ -1142,10 +1144,9 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) ...@@ -1142,10 +1144,9 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
snoop_dbg("Setting filter"); snoop_dbg("Setting filter");
/* just copy command structure */ /* just copy command structure */
argp = (unsigned long *)arg; argp = (unsigned long *)arg;
ret = copy_from_user(&filter_cmd, (void __user *)argp, if (copy_from_user(&filter_cmd, (void __user *)argp,
sizeof(filter_cmd)); sizeof(filter_cmd))) {
if (ret < 0) { ret = -EFAULT;
pr_alert("Error copying filter command\n");
break; break;
} }
if (filter_cmd.opcode >= HFI1_MAX_FILTERS) { if (filter_cmd.opcode >= HFI1_MAX_FILTERS) {
...@@ -1167,12 +1168,11 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) ...@@ -1167,12 +1168,11 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
break; break;
} }
/* copy remaining data from userspace */ /* copy remaining data from userspace */
ret = copy_from_user((u8 *)filter_value, if (copy_from_user((u8 *)filter_value,
(void __user *)filter_cmd.value_ptr, (void __user *)filter_cmd.value_ptr,
filter_cmd.length); filter_cmd.length)) {
if (ret < 0) {
kfree(filter_value); kfree(filter_value);
pr_alert("Error copying filter data\n"); ret = -EFAULT;
break; break;
} }
/* Drain packets first */ /* Drain packets first */
......
...@@ -1181,6 +1181,7 @@ static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len) ...@@ -1181,6 +1181,7 @@ static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len)
struct hfi1_filedata *fd = fp->private_data; struct hfi1_filedata *fd = fp->private_data;
int ret = 0; int ret = 0;
memset(&cinfo, 0, sizeof(cinfo));
ret = hfi1_get_base_kinfo(uctxt, &cinfo); ret = hfi1_get_base_kinfo(uctxt, &cinfo);
if (ret < 0) if (ret < 0)
goto done; goto done;
...@@ -2089,14 +2090,16 @@ static int user_add(struct hfi1_devdata *dd) ...@@ -2089,14 +2090,16 @@ static int user_add(struct hfi1_devdata *dd)
if (atomic_inc_return(&user_count) == 1) { if (atomic_inc_return(&user_count) == 1) {
ret = hfi1_cdev_init(0, class_name(), &hfi1_file_ops, ret = hfi1_cdev_init(0, class_name(), &hfi1_file_ops,
&wildcard_cdev, &wildcard_device); &wildcard_cdev, &wildcard_device,
true);
if (ret) if (ret)
goto done; goto done;
} }
snprintf(name, sizeof(name), "%s_%d", class_name(), dd->unit); snprintf(name, sizeof(name), "%s_%d", class_name(), dd->unit);
ret = hfi1_cdev_init(dd->unit + 1, name, &hfi1_file_ops, ret = hfi1_cdev_init(dd->unit + 1, name, &hfi1_file_ops,
&dd->user_cdev, &dd->user_device); &dd->user_cdev, &dd->user_device,
true);
if (ret) if (ret)
goto done; goto done;
...@@ -2104,7 +2107,8 @@ static int user_add(struct hfi1_devdata *dd) ...@@ -2104,7 +2107,8 @@ static int user_add(struct hfi1_devdata *dd)
snprintf(name, sizeof(name), snprintf(name, sizeof(name),
"%s_ui%d", class_name(), dd->unit); "%s_ui%d", class_name(), dd->unit);
ret = hfi1_cdev_init(dd->unit + UI_OFFSET, name, &ui_file_ops, ret = hfi1_cdev_init(dd->unit + UI_OFFSET, name, &ui_file_ops,
&dd->ui_cdev, &dd->ui_device); &dd->ui_cdev, &dd->ui_device,
false);
if (ret) if (ret)
goto done; goto done;
} }
......
...@@ -1717,9 +1717,9 @@ static int __subn_get_opa_psi(struct opa_smp *smp, u32 am, u8 *data, ...@@ -1717,9 +1717,9 @@ static int __subn_get_opa_psi(struct opa_smp *smp, u32 am, u8 *data,
psi->port_states.portphysstate_portstate = psi->port_states.portphysstate_portstate =
(hfi1_ibphys_portstate(ppd) << 4) | (lstate & 0xf); (hfi1_ibphys_portstate(ppd) << 4) | (lstate & 0xf);
psi->link_width_downgrade_tx_active = psi->link_width_downgrade_tx_active =
ppd->link_width_downgrade_tx_active; cpu_to_be16(ppd->link_width_downgrade_tx_active);
psi->link_width_downgrade_rx_active = psi->link_width_downgrade_rx_active =
ppd->link_width_downgrade_rx_active; cpu_to_be16(ppd->link_width_downgrade_rx_active);
if (resp_len) if (resp_len)
*resp_len += sizeof(struct opa_port_state_info); *resp_len += sizeof(struct opa_port_state_info);
......
...@@ -737,7 +737,7 @@ u16 sdma_get_descq_cnt(void) ...@@ -737,7 +737,7 @@ u16 sdma_get_descq_cnt(void)
*/ */
if (!is_power_of_2(count)) if (!is_power_of_2(count))
return SDMA_DESCQ_CNT; return SDMA_DESCQ_CNT;
if (count < 64 && count > 32768) if (count < 64 || count > 32768)
return SDMA_DESCQ_CNT; return SDMA_DESCQ_CNT;
return count; return count;
} }
...@@ -1848,7 +1848,7 @@ static void dump_sdma_state(struct sdma_engine *sde) ...@@ -1848,7 +1848,7 @@ static void dump_sdma_state(struct sdma_engine *sde)
dd_dev_err(sde->dd, dd_dev_err(sde->dd,
"\taidx: %u amode: %u alen: %u\n", "\taidx: %u amode: %u alen: %u\n",
(u8)((desc[1] & SDMA_DESC1_HEADER_INDEX_SMASK) (u8)((desc[1] & SDMA_DESC1_HEADER_INDEX_SMASK)
>> SDMA_DESC1_HEADER_INDEX_MASK), >> SDMA_DESC1_HEADER_INDEX_SHIFT),
(u8)((desc[1] & SDMA_DESC1_HEADER_MODE_SMASK) (u8)((desc[1] & SDMA_DESC1_HEADER_MODE_SMASK)
>> SDMA_DESC1_HEADER_MODE_SHIFT), >> SDMA_DESC1_HEADER_MODE_SHIFT),
(u8)((desc[1] & SDMA_DESC1_HEADER_DWS_SMASK) (u8)((desc[1] & SDMA_DESC1_HEADER_DWS_SMASK)
...@@ -1926,7 +1926,7 @@ void sdma_seqfile_dump_sde(struct seq_file *s, struct sdma_engine *sde) ...@@ -1926,7 +1926,7 @@ void sdma_seqfile_dump_sde(struct seq_file *s, struct sdma_engine *sde)
if (desc[0] & SDMA_DESC0_FIRST_DESC_FLAG) if (desc[0] & SDMA_DESC0_FIRST_DESC_FLAG)
seq_printf(s, "\t\tahgidx: %u ahgmode: %u\n", seq_printf(s, "\t\tahgidx: %u ahgmode: %u\n",
(u8)((desc[1] & SDMA_DESC1_HEADER_INDEX_SMASK) (u8)((desc[1] & SDMA_DESC1_HEADER_INDEX_SMASK)
>> SDMA_DESC1_HEADER_INDEX_MASK), >> SDMA_DESC1_HEADER_INDEX_SHIFT),
(u8)((desc[1] & SDMA_DESC1_HEADER_MODE_SMASK) (u8)((desc[1] & SDMA_DESC1_HEADER_MODE_SMASK)
>> SDMA_DESC1_HEADER_MODE_SHIFT)); >> SDMA_DESC1_HEADER_MODE_SHIFT));
head = (head + 1) & sde->sdma_mask; head = (head + 1) & sde->sdma_mask;
......
...@@ -109,53 +109,53 @@ ...@@ -109,53 +109,53 @@
/* /*
* Bits defined in the send DMA descriptor. * Bits defined in the send DMA descriptor.
*/ */
#define SDMA_DESC0_FIRST_DESC_FLAG (1ULL<<63) #define SDMA_DESC0_FIRST_DESC_FLAG (1ULL << 63)
#define SDMA_DESC0_LAST_DESC_FLAG (1ULL<<62) #define SDMA_DESC0_LAST_DESC_FLAG (1ULL << 62)
#define SDMA_DESC0_BYTE_COUNT_SHIFT 48 #define SDMA_DESC0_BYTE_COUNT_SHIFT 48
#define SDMA_DESC0_BYTE_COUNT_WIDTH 14 #define SDMA_DESC0_BYTE_COUNT_WIDTH 14
#define SDMA_DESC0_BYTE_COUNT_MASK \ #define SDMA_DESC0_BYTE_COUNT_MASK \
((1ULL<<SDMA_DESC0_BYTE_COUNT_WIDTH)-1ULL) ((1ULL << SDMA_DESC0_BYTE_COUNT_WIDTH) - 1)
#define SDMA_DESC0_BYTE_COUNT_SMASK \ #define SDMA_DESC0_BYTE_COUNT_SMASK \
(SDMA_DESC0_BYTE_COUNT_MASK<<SDMA_DESC0_BYTE_COUNT_SHIFT) (SDMA_DESC0_BYTE_COUNT_MASK << SDMA_DESC0_BYTE_COUNT_SHIFT)
#define SDMA_DESC0_PHY_ADDR_SHIFT 0 #define SDMA_DESC0_PHY_ADDR_SHIFT 0
#define SDMA_DESC0_PHY_ADDR_WIDTH 48 #define SDMA_DESC0_PHY_ADDR_WIDTH 48
#define SDMA_DESC0_PHY_ADDR_MASK \ #define SDMA_DESC0_PHY_ADDR_MASK \
((1ULL<<SDMA_DESC0_PHY_ADDR_WIDTH)-1ULL) ((1ULL << SDMA_DESC0_PHY_ADDR_WIDTH) - 1)
#define SDMA_DESC0_PHY_ADDR_SMASK \ #define SDMA_DESC0_PHY_ADDR_SMASK \
(SDMA_DESC0_PHY_ADDR_MASK<<SDMA_DESC0_PHY_ADDR_SHIFT) (SDMA_DESC0_PHY_ADDR_MASK << SDMA_DESC0_PHY_ADDR_SHIFT)
#define SDMA_DESC1_HEADER_UPDATE1_SHIFT 32 #define SDMA_DESC1_HEADER_UPDATE1_SHIFT 32
#define SDMA_DESC1_HEADER_UPDATE1_WIDTH 32 #define SDMA_DESC1_HEADER_UPDATE1_WIDTH 32
#define SDMA_DESC1_HEADER_UPDATE1_MASK \ #define SDMA_DESC1_HEADER_UPDATE1_MASK \
((1ULL<<SDMA_DESC1_HEADER_UPDATE1_WIDTH)-1ULL) ((1ULL << SDMA_DESC1_HEADER_UPDATE1_WIDTH) - 1)
#define SDMA_DESC1_HEADER_UPDATE1_SMASK \ #define SDMA_DESC1_HEADER_UPDATE1_SMASK \
(SDMA_DESC1_HEADER_UPDATE1_MASK<<SDMA_DESC1_HEADER_UPDATE1_SHIFT) (SDMA_DESC1_HEADER_UPDATE1_MASK << SDMA_DESC1_HEADER_UPDATE1_SHIFT)
#define SDMA_DESC1_HEADER_MODE_SHIFT 13 #define SDMA_DESC1_HEADER_MODE_SHIFT 13
#define SDMA_DESC1_HEADER_MODE_WIDTH 3 #define SDMA_DESC1_HEADER_MODE_WIDTH 3
#define SDMA_DESC1_HEADER_MODE_MASK \ #define SDMA_DESC1_HEADER_MODE_MASK \
((1ULL<<SDMA_DESC1_HEADER_MODE_WIDTH)-1ULL) ((1ULL << SDMA_DESC1_HEADER_MODE_WIDTH) - 1)
#define SDMA_DESC1_HEADER_MODE_SMASK \ #define SDMA_DESC1_HEADER_MODE_SMASK \
(SDMA_DESC1_HEADER_MODE_MASK<<SDMA_DESC1_HEADER_MODE_SHIFT) (SDMA_DESC1_HEADER_MODE_MASK << SDMA_DESC1_HEADER_MODE_SHIFT)
#define SDMA_DESC1_HEADER_INDEX_SHIFT 8 #define SDMA_DESC1_HEADER_INDEX_SHIFT 8
#define SDMA_DESC1_HEADER_INDEX_WIDTH 5 #define SDMA_DESC1_HEADER_INDEX_WIDTH 5
#define SDMA_DESC1_HEADER_INDEX_MASK \ #define SDMA_DESC1_HEADER_INDEX_MASK \
((1ULL<<SDMA_DESC1_HEADER_INDEX_WIDTH)-1ULL) ((1ULL << SDMA_DESC1_HEADER_INDEX_WIDTH) - 1)
#define SDMA_DESC1_HEADER_INDEX_SMASK \ #define SDMA_DESC1_HEADER_INDEX_SMASK \
(SDMA_DESC1_HEADER_INDEX_MASK<<SDMA_DESC1_HEADER_INDEX_SHIFT) (SDMA_DESC1_HEADER_INDEX_MASK << SDMA_DESC1_HEADER_INDEX_SHIFT)
#define SDMA_DESC1_HEADER_DWS_SHIFT 4 #define SDMA_DESC1_HEADER_DWS_SHIFT 4
#define SDMA_DESC1_HEADER_DWS_WIDTH 4 #define SDMA_DESC1_HEADER_DWS_WIDTH 4
#define SDMA_DESC1_HEADER_DWS_MASK \ #define SDMA_DESC1_HEADER_DWS_MASK \
((1ULL<<SDMA_DESC1_HEADER_DWS_WIDTH)-1ULL) ((1ULL << SDMA_DESC1_HEADER_DWS_WIDTH) - 1)
#define SDMA_DESC1_HEADER_DWS_SMASK \ #define SDMA_DESC1_HEADER_DWS_SMASK \
(SDMA_DESC1_HEADER_DWS_MASK<<SDMA_DESC1_HEADER_DWS_SHIFT) (SDMA_DESC1_HEADER_DWS_MASK << SDMA_DESC1_HEADER_DWS_SHIFT)
#define SDMA_DESC1_GENERATION_SHIFT 2 #define SDMA_DESC1_GENERATION_SHIFT 2
#define SDMA_DESC1_GENERATION_WIDTH 2 #define SDMA_DESC1_GENERATION_WIDTH 2
#define SDMA_DESC1_GENERATION_MASK \ #define SDMA_DESC1_GENERATION_MASK \
((1ULL<<SDMA_DESC1_GENERATION_WIDTH)-1ULL) ((1ULL << SDMA_DESC1_GENERATION_WIDTH) - 1)
#define SDMA_DESC1_GENERATION_SMASK \ #define SDMA_DESC1_GENERATION_SMASK \
(SDMA_DESC1_GENERATION_MASK<<SDMA_DESC1_GENERATION_SHIFT) (SDMA_DESC1_GENERATION_MASK << SDMA_DESC1_GENERATION_SHIFT)
#define SDMA_DESC1_INT_REQ_FLAG (1ULL<<1) #define SDMA_DESC1_INT_REQ_FLAG (1ULL << 1)
#define SDMA_DESC1_HEAD_TO_HOST_FLAG (1ULL<<0) #define SDMA_DESC1_HEAD_TO_HOST_FLAG (1ULL << 0)
enum sdma_states { enum sdma_states {
sdma_state_s00_hw_down, sdma_state_s00_hw_down,
......
...@@ -749,10 +749,12 @@ static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev *dev, ...@@ -749,10 +749,12 @@ static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev *dev,
struct verbs_txreq *tx; struct verbs_txreq *tx;
tx = kmem_cache_alloc(dev->verbs_txreq_cache, GFP_ATOMIC); tx = kmem_cache_alloc(dev->verbs_txreq_cache, GFP_ATOMIC);
if (!tx) if (!tx) {
/* call slow path to get the lock */ /* call slow path to get the lock */
tx = __get_txreq(dev, qp); tx = __get_txreq(dev, qp);
if (tx) if (IS_ERR(tx))
return tx;
}
tx->qp = qp; tx->qp = qp;
return tx; return tx;
} }
......
...@@ -294,8 +294,8 @@ struct opa_port_states { ...@@ -294,8 +294,8 @@ struct opa_port_states {
struct opa_port_state_info { struct opa_port_state_info {
struct opa_port_states port_states; struct opa_port_states port_states;
u16 link_width_downgrade_tx_active; __be16 link_width_downgrade_tx_active;
u16 link_width_downgrade_rx_active; __be16 link_width_downgrade_rx_active;
}; };
struct opa_port_info { struct opa_port_info {
......
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