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-rw-r--r--drivers/misc/genwqe/card_base.c38
-rw-r--r--drivers/misc/genwqe/card_base.h21
-rw-r--r--drivers/misc/genwqe/card_ddcb.c77
-rw-r--r--drivers/misc/genwqe/card_ddcb.h2
-rw-r--r--drivers/misc/genwqe/card_debugfs.c10
-rw-r--r--drivers/misc/genwqe/card_dev.c21
-rw-r--r--drivers/misc/genwqe/card_sysfs.c11
-rw-r--r--drivers/misc/genwqe/card_utils.c7
-rw-r--r--drivers/misc/genwqe/genwqe_driver.h4
9 files changed, 112 insertions, 79 deletions
diff --git a/drivers/misc/genwqe/card_base.c b/drivers/misc/genwqe/card_base.c
index 43bbabc96b6..4cf8f82cfca 100644
--- a/drivers/misc/genwqe/card_base.c
+++ b/drivers/misc/genwqe/card_base.c
@@ -5,7 +5,7 @@
*
* Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
* Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
- * Author: Michael Jung <mijung@de.ibm.com>
+ * Author: Michael Jung <mijung@gmx.net>
* Author: Michael Ruettger <michael@ibmra.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -45,10 +45,10 @@
MODULE_AUTHOR("Frank Haverkamp <haver@linux.vnet.ibm.com>");
MODULE_AUTHOR("Michael Ruettger <michael@ibmra.de>");
MODULE_AUTHOR("Joerg-Stephan Vogt <jsvogt@de.ibm.com>");
-MODULE_AUTHOR("Michal Jung <mijung@de.ibm.com>");
+MODULE_AUTHOR("Michael Jung <mijung@gmx.net>");
MODULE_DESCRIPTION("GenWQE Card");
-MODULE_VERSION(DRV_VERS_STRING);
+MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE("GPL");
static char genwqe_driver_name[] = GENWQE_DEVNAME;
@@ -346,8 +346,13 @@ static bool genwqe_setup_vf_jtimer(struct genwqe_dev *cd)
unsigned int vf;
u32 T = genwqe_T_psec(cd);
u64 x;
+ int totalvfs;
- for (vf = 0; vf < pci_sriov_get_totalvfs(pci_dev); vf++) {
+ totalvfs = pci_sriov_get_totalvfs(pci_dev);
+ if (totalvfs <= 0)
+ return false;
+
+ for (vf = 0; vf < totalvfs; vf++) {
if (cd->vf_jobtimeout_msec[vf] == 0)
continue;
@@ -383,8 +388,9 @@ static int genwqe_ffdc_buffs_alloc(struct genwqe_dev *cd)
/* currently support only the debug units mentioned here */
cd->ffdc[type].entries = e;
- cd->ffdc[type].regs = kmalloc(e * sizeof(struct genwqe_reg),
- GFP_KERNEL);
+ cd->ffdc[type].regs =
+ kmalloc_array(e, sizeof(struct genwqe_reg),
+ GFP_KERNEL);
/*
* regs == NULL is ok, the using code treats this as no regs,
* Printing warning is ok in this case.
@@ -723,8 +729,8 @@ static u64 genwqe_fir_checking(struct genwqe_dev *cd)
__genwqe_writeq(cd, sfir_addr, sfir);
dev_dbg(&pci_dev->dev,
- "[HM] Clearing 2ndary FIR 0x%08x "
- "with 0x%016llx\n", sfir_addr, sfir);
+ "[HM] Clearing 2ndary FIR 0x%08x with 0x%016llx\n",
+ sfir_addr, sfir);
/*
* note, these cannot be error-Firs
@@ -740,9 +746,8 @@ static u64 genwqe_fir_checking(struct genwqe_dev *cd)
__genwqe_writeq(cd, fir_clr_addr, mask);
dev_dbg(&pci_dev->dev,
- "[HM] Clearing primary FIR 0x%08x "
- "with 0x%016llx\n", fir_clr_addr,
- mask);
+ "[HM] Clearing primary FIR 0x%08x with 0x%016llx\n",
+ fir_clr_addr, mask);
}
}
}
@@ -1125,6 +1130,8 @@ static int genwqe_pci_setup(struct genwqe_dev *cd)
}
cd->num_vfs = pci_sriov_get_totalvfs(pci_dev);
+ if (cd->num_vfs < 0)
+ cd->num_vfs = 0;
err = genwqe_read_ids(cd);
if (err)
@@ -1202,8 +1209,8 @@ static int genwqe_probe(struct pci_dev *pci_dev,
err = genwqe_health_check_start(cd);
if (err < 0) {
dev_err(&pci_dev->dev,
- "err: cannot start health checking! "
- "(err=%d)\n", err);
+ "err: cannot start health checking! (err=%d)\n",
+ err);
goto out_stop_services;
}
}
@@ -1313,11 +1320,14 @@ static void genwqe_err_resume(struct pci_dev *pci_dev)
static int genwqe_sriov_configure(struct pci_dev *dev, int numvfs)
{
+ int rc;
struct genwqe_dev *cd = dev_get_drvdata(&dev->dev);
if (numvfs > 0) {
genwqe_setup_vf_jtimer(cd);
- pci_enable_sriov(dev, numvfs);
+ rc = pci_enable_sriov(dev, numvfs);
+ if (rc < 0)
+ return rc;
return numvfs;
}
if (numvfs == 0) {
diff --git a/drivers/misc/genwqe/card_base.h b/drivers/misc/genwqe/card_base.h
index 67abd8cb224..c64d7cad108 100644
--- a/drivers/misc/genwqe/card_base.h
+++ b/drivers/misc/genwqe/card_base.h
@@ -8,7 +8,7 @@
*
* Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
* Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
- * Author: Michael Jung <mijung@de.ibm.com>
+ * Author: Michael Jung <mijung@gmx.net>
* Author: Michael Ruettger <michael@ibmra.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -201,7 +201,8 @@ static inline void genwqe_mapping_init(struct dma_mapping *m,
* @ddcb_seq: Sequence number of last DDCB
* @ddcbs_in_flight: Currently enqueued DDCBs
* @ddcbs_completed: Number of already completed DDCBs
- * @busy: Number of -EBUSY returns
+ * @return_on_busy: Number of -EBUSY returns on full queue
+ * @wait_on_busy: Number of waits on full queue
* @ddcb_daddr: DMA address of first DDCB in the queue
* @ddcb_vaddr: Kernel virtual address of first DDCB in the queue
* @ddcb_req: Associated requests (one per DDCB)
@@ -218,7 +219,8 @@ struct ddcb_queue {
unsigned int ddcbs_in_flight; /* number of ddcbs in processing */
unsigned int ddcbs_completed;
unsigned int ddcbs_max_in_flight;
- unsigned int busy; /* how many times -EBUSY? */
+ unsigned int return_on_busy; /* how many times -EBUSY? */
+ unsigned int wait_on_busy;
dma_addr_t ddcb_daddr; /* DMA address */
struct ddcb *ddcb_vaddr; /* kernel virtual addr for DDCBs */
@@ -226,7 +228,7 @@ struct ddcb_queue {
wait_queue_head_t *ddcb_waitqs; /* waitqueue per ddcb */
spinlock_t ddcb_lock; /* exclusive access to queue */
- wait_queue_head_t ddcb_waitq; /* wait for ddcb processing */
+ wait_queue_head_t busy_waitq; /* wait for ddcb processing */
/* registers or the respective queue to be used */
u32 IO_QUEUE_CONFIG;
@@ -306,7 +308,7 @@ struct genwqe_dev {
struct pci_dev *pci_dev; /* PCI device */
void __iomem *mmio; /* BAR-0 MMIO start */
unsigned long mmio_len;
- u16 num_vfs;
+ int num_vfs;
u32 vf_jobtimeout_msec[GENWQE_MAX_VFS];
int is_privileged; /* access to all regs possible */
@@ -508,7 +510,7 @@ static inline bool dma_mapping_used(struct dma_mapping *m)
* buildup and teardown.
*/
int __genwqe_execute_ddcb(struct genwqe_dev *cd,
- struct genwqe_ddcb_cmd *cmd);
+ struct genwqe_ddcb_cmd *cmd, unsigned int f_flags);
/**
* __genwqe_execute_raw_ddcb() - Execute DDCB request without addr translation
@@ -520,9 +522,12 @@ int __genwqe_execute_ddcb(struct genwqe_dev *cd,
* modification.
*/
int __genwqe_execute_raw_ddcb(struct genwqe_dev *cd,
- struct genwqe_ddcb_cmd *cmd);
+ struct genwqe_ddcb_cmd *cmd,
+ unsigned int f_flags);
+int __genwqe_enqueue_ddcb(struct genwqe_dev *cd,
+ struct ddcb_requ *req,
+ unsigned int f_flags);
-int __genwqe_enqueue_ddcb(struct genwqe_dev *cd, struct ddcb_requ *req);
int __genwqe_wait_ddcb(struct genwqe_dev *cd, struct ddcb_requ *req);
int __genwqe_purge_ddcb(struct genwqe_dev *cd, struct ddcb_requ *req);
diff --git a/drivers/misc/genwqe/card_ddcb.c b/drivers/misc/genwqe/card_ddcb.c
index dc9851a5540..6d51e5f0866 100644
--- a/drivers/misc/genwqe/card_ddcb.c
+++ b/drivers/misc/genwqe/card_ddcb.c
@@ -5,7 +5,7 @@
*
* Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
* Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
- * Author: Michael Jung <mijung@de.ibm.com>
+ * Author: Michael Jung <mijung@gmx.net>
* Author: Michael Ruettger <michael@ibmra.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -185,8 +185,7 @@ static void print_ddcb_info(struct genwqe_dev *cd, struct ddcb_queue *queue)
pddcb = queue->ddcb_vaddr;
for (i = 0; i < queue->ddcb_max; i++) {
dev_err(&pci_dev->dev,
- " %c %-3d: RETC=%03x SEQ=%04x "
- "HSI=%02X SHI=%02x PRIV=%06llx CMD=%03x\n",
+ " %c %-3d: RETC=%03x SEQ=%04x HSI=%02X SHI=%02x PRIV=%06llx CMD=%03x\n",
i == queue->ddcb_act ? '>' : ' ',
i,
be16_to_cpu(pddcb->retc_16),
@@ -214,6 +213,7 @@ struct genwqe_ddcb_cmd *ddcb_requ_alloc(void)
void ddcb_requ_free(struct genwqe_ddcb_cmd *cmd)
{
struct ddcb_requ *req = container_of(cmd, struct ddcb_requ, cmd);
+
kfree(req);
}
@@ -306,7 +306,7 @@ static int enqueue_ddcb(struct genwqe_dev *cd, struct ddcb_queue *queue,
new = (old | DDCB_NEXT_BE32);
- wmb();
+ wmb(); /* need to ensure write ordering */
icrc_hsi_shi = cmpxchg(&prev_ddcb->icrc_hsi_shi_32, old, new);
if (icrc_hsi_shi == old)
@@ -317,7 +317,7 @@ static int enqueue_ddcb(struct genwqe_dev *cd, struct ddcb_queue *queue,
ddcb_mark_tapped(pddcb);
num = (u64)ddcb_no << 8;
- wmb();
+ wmb(); /* need to ensure write ordering */
__genwqe_writeq(cd, queue->IO_QUEUE_OFFSET, num); /* start queue */
return RET_DDCB_TAPPED;
@@ -390,8 +390,9 @@ static int genwqe_check_ddcb_queue(struct genwqe_dev *cd,
0x00000000)
goto go_home; /* not completed, continue waiting */
- /* Note: DDCB could be purged */
+ wmb(); /* Add sync to decouple prev. read operations */
+ /* Note: DDCB could be purged */
req = queue->ddcb_req[queue->ddcb_act];
if (req == NULL) {
/* this occurs if DDCB is purged, not an error */
@@ -416,9 +417,7 @@ static int genwqe_check_ddcb_queue(struct genwqe_dev *cd,
status = __genwqe_readq(cd, queue->IO_QUEUE_STATUS);
dev_err(&pci_dev->dev,
- "[%s] SEQN=%04x HSI=%02x RETC=%03x "
- " Q_ERRCNTS=%016llx Q_STATUS=%016llx\n"
- " DDCB_DMA_ADDR=%016llx\n",
+ "[%s] SEQN=%04x HSI=%02x RETC=%03x Q_ERRCNTS=%016llx Q_STATUS=%016llx DDCB_DMA_ADDR=%016llx\n",
__func__, be16_to_cpu(pddcb->seqnum_16),
pddcb->hsi, retc_16, errcnts, status,
queue->ddcb_daddr + ddcb_offs);
@@ -439,8 +438,7 @@ static int genwqe_check_ddcb_queue(struct genwqe_dev *cd,
vcrc_16 = be16_to_cpu(pddcb->vcrc_16);
if (vcrc != vcrc_16) {
printk_ratelimited(KERN_ERR
- "%s %s: err: wrong VCRC pre=%02x vcrc_len=%d "
- "bytes vcrc_data=%04x is not vcrc_card=%04x\n",
+ "%s %s: err: wrong VCRC pre=%02x vcrc_len=%d bytes vcrc_data=%04x is not vcrc_card=%04x\n",
GENWQE_DEVNAME, dev_name(&pci_dev->dev),
pddcb->pre, VCRC_LENGTH(req->cmd.asv_length),
vcrc, vcrc_16);
@@ -450,8 +448,10 @@ static int genwqe_check_ddcb_queue(struct genwqe_dev *cd,
queue->ddcbs_completed++;
queue->ddcbs_in_flight--;
- /* wake up process waiting for this DDCB */
+ /* wake up process waiting for this DDCB, and
+ processes on the busy queue */
wake_up_interruptible(&queue->ddcb_waitqs[queue->ddcb_act]);
+ wake_up_interruptible(&queue->busy_waitq);
pick_next_one:
queue->ddcb_act = (queue->ddcb_act + 1) % queue->ddcb_max;
@@ -717,8 +717,7 @@ go_home:
genwqe_hexdump(pci_dev, pddcb, sizeof(*pddcb));
dev_err(&pci_dev->dev,
- "[%s] err: DDCB#%d not purged and not completed "
- "after %d seconds QSTAT=%016llx!!\n",
+ "[%s] err: DDCB#%d not purged and not completed after %d seconds QSTAT=%016llx!!\n",
__func__, req->num, genwqe_ddcb_software_timeout,
queue_status);
@@ -740,7 +739,7 @@ int genwqe_init_debug_data(struct genwqe_dev *cd, struct genwqe_debug_data *d)
}
len = sizeof(d->driver_version);
- snprintf(d->driver_version, len, "%s", DRV_VERS_STRING);
+ snprintf(d->driver_version, len, "%s", DRV_VERSION);
d->slu_unitcfg = cd->slu_unitcfg;
d->app_unitcfg = cd->app_unitcfg;
return 0;
@@ -748,14 +747,16 @@ int genwqe_init_debug_data(struct genwqe_dev *cd, struct genwqe_debug_data *d)
/**
* __genwqe_enqueue_ddcb() - Enqueue a DDCB
- * @cd: pointer to genwqe device descriptor
- * @req: pointer to DDCB execution request
+ * @cd: pointer to genwqe device descriptor
+ * @req: pointer to DDCB execution request
+ * @f_flags: file mode: blocking, non-blocking
*
* Return: 0 if enqueuing succeeded
* -EIO if card is unusable/PCIe problems
* -EBUSY if enqueuing failed
*/
-int __genwqe_enqueue_ddcb(struct genwqe_dev *cd, struct ddcb_requ *req)
+int __genwqe_enqueue_ddcb(struct genwqe_dev *cd, struct ddcb_requ *req,
+ unsigned int f_flags)
{
struct ddcb *pddcb;
unsigned long flags;
@@ -763,6 +764,7 @@ int __genwqe_enqueue_ddcb(struct genwqe_dev *cd, struct ddcb_requ *req)
struct pci_dev *pci_dev = cd->pci_dev;
u16 icrc;
+ retry:
if (cd->card_state != GENWQE_CARD_USED) {
printk_ratelimited(KERN_ERR
"%s %s: [%s] Card is unusable/PCIe problem Req#%d\n",
@@ -788,9 +790,24 @@ int __genwqe_enqueue_ddcb(struct genwqe_dev *cd, struct ddcb_requ *req)
pddcb = get_next_ddcb(cd, queue, &req->num); /* get ptr and num */
if (pddcb == NULL) {
+ int rc;
+
spin_unlock_irqrestore(&queue->ddcb_lock, flags);
- queue->busy++;
- return -EBUSY;
+
+ if (f_flags & O_NONBLOCK) {
+ queue->return_on_busy++;
+ return -EBUSY;
+ }
+
+ queue->wait_on_busy++;
+ rc = wait_event_interruptible(queue->busy_waitq,
+ queue_free_ddcbs(queue) != 0);
+ dev_dbg(&pci_dev->dev, "[%s] waiting for free DDCB: rc=%d\n",
+ __func__, rc);
+ if (rc == -ERESTARTSYS)
+ return rc; /* interrupted by a signal */
+
+ goto retry;
}
if (queue->ddcb_req[req->num] != NULL) {
@@ -893,9 +910,11 @@ int __genwqe_enqueue_ddcb(struct genwqe_dev *cd, struct ddcb_requ *req)
* __genwqe_execute_raw_ddcb() - Setup and execute DDCB
* @cd: pointer to genwqe device descriptor
* @req: user provided DDCB request
+ * @f_flags: file mode: blocking, non-blocking
*/
int __genwqe_execute_raw_ddcb(struct genwqe_dev *cd,
- struct genwqe_ddcb_cmd *cmd)
+ struct genwqe_ddcb_cmd *cmd,
+ unsigned int f_flags)
{
int rc = 0;
struct pci_dev *pci_dev = cd->pci_dev;
@@ -911,7 +930,7 @@ int __genwqe_execute_raw_ddcb(struct genwqe_dev *cd,
__func__, cmd->asiv_length);
return -EINVAL;
}
- rc = __genwqe_enqueue_ddcb(cd, req);
+ rc = __genwqe_enqueue_ddcb(cd, req, f_flags);
if (rc != 0)
return rc;
@@ -1017,7 +1036,8 @@ static int setup_ddcb_queue(struct genwqe_dev *cd, struct ddcb_queue *queue)
queue->ddcbs_in_flight = 0; /* statistics */
queue->ddcbs_max_in_flight = 0;
queue->ddcbs_completed = 0;
- queue->busy = 0;
+ queue->return_on_busy = 0;
+ queue->wait_on_busy = 0;
queue->ddcb_seq = 0x100; /* start sequence number */
queue->ddcb_max = genwqe_ddcb_max; /* module parameter */
@@ -1057,7 +1077,7 @@ static int setup_ddcb_queue(struct genwqe_dev *cd, struct ddcb_queue *queue)
queue->ddcb_next = 0; /* queue is empty */
spin_lock_init(&queue->ddcb_lock);
- init_waitqueue_head(&queue->ddcb_waitq);
+ init_waitqueue_head(&queue->busy_waitq);
val64 = ((u64)(queue->ddcb_max - 1) << 8); /* lastptr */
__genwqe_writeq(cd, queue->IO_QUEUE_CONFIG, 0x07); /* iCRC/vCRC */
@@ -1251,10 +1271,8 @@ int genwqe_setup_service_layer(struct genwqe_dev *cd)
}
rc = genwqe_set_interrupt_capability(cd, GENWQE_MSI_IRQS);
- if (rc) {
- rc = -ENODEV;
+ if (rc)
goto stop_kthread;
- }
/*
* We must have all wait-queues initialized when we enable the
@@ -1307,6 +1325,7 @@ static int queue_wake_up_all(struct genwqe_dev *cd)
for (i = 0; i < queue->ddcb_max; i++)
wake_up_interruptible(&queue->ddcb_waitqs[queue->ddcb_act]);
+ wake_up_interruptible(&queue->busy_waitq);
spin_unlock_irqrestore(&queue->ddcb_lock, flags);
return 0;
@@ -1346,8 +1365,8 @@ int genwqe_finish_queue(struct genwqe_dev *cd)
break;
dev_dbg(&pci_dev->dev,
- " DEBUG [%d/%d] waiting for queue to get empty: "
- "%d requests!\n", i, waitmax, in_flight);
+ " DEBUG [%d/%d] waiting for queue to get empty: %d requests!\n",
+ i, waitmax, in_flight);
/*
* Severe severe error situation: The card itself has
diff --git a/drivers/misc/genwqe/card_ddcb.h b/drivers/misc/genwqe/card_ddcb.h
index c4f26720753..0361a68d79a 100644
--- a/drivers/misc/genwqe/card_ddcb.h
+++ b/drivers/misc/genwqe/card_ddcb.h
@@ -8,7 +8,7 @@
*
* Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
* Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
- * Author: Michael Jung <mijung@de.ibm.com>
+ * Author: Michael Jung <mijung@gmx.net>
* Author: Michael Ruettger <michael@ibmra.de>
*
* This program is free software; you can redistribute it and/or modify
diff --git a/drivers/misc/genwqe/card_debugfs.c b/drivers/misc/genwqe/card_debugfs.c
index c9b4d6d0eb9..c715534e7fe 100644
--- a/drivers/misc/genwqe/card_debugfs.c
+++ b/drivers/misc/genwqe/card_debugfs.c
@@ -5,7 +5,7 @@
*
* Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
* Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
- * Author: Michael Jung <mijung@de.ibm.com>
+ * Author: Michael Jung <mijung@gmx.net>
* Author: Michael Ruettger <michael@ibmra.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -244,14 +244,16 @@ static int genwqe_ddcb_info_show(struct seq_file *s, void *unused)
" ddcbs_in_flight: %u\n"
" ddcbs_max_in_flight: %u\n"
" ddcbs_completed: %u\n"
- " busy: %u\n"
+ " return_on_busy: %u\n"
+ " wait_on_busy: %u\n"
" irqs_processed: %u\n",
queue->ddcb_max, (long long)queue->ddcb_daddr,
(long long)queue->ddcb_daddr +
(queue->ddcb_max * DDCB_LENGTH),
(long long)queue->ddcb_vaddr, queue->ddcbs_in_flight,
queue->ddcbs_max_in_flight, queue->ddcbs_completed,
- queue->busy, cd->irqs_processed);
+ queue->return_on_busy, queue->wait_on_busy,
+ cd->irqs_processed);
/* Hardware State */
seq_printf(s, " 0x%08x 0x%016llx IO_QUEUE_CONFIG\n"
@@ -323,7 +325,7 @@ static int genwqe_info_show(struct seq_file *s, void *unused)
" Base Clock : %u MHz\n"
" Arch/SVN Release: %u/%llx\n"
" Bitstream : %llx\n",
- GENWQE_DEVNAME, DRV_VERS_STRING, dev_name(&pci_dev->dev),
+ GENWQE_DEVNAME, DRV_VERSION, dev_name(&pci_dev->dev),
genwqe_is_privileged(cd) ?
"Physical" : "Virtual or no SR-IOV",
cd->card_idx, slu_id, app_id,
diff --git a/drivers/misc/genwqe/card_dev.c b/drivers/misc/genwqe/card_dev.c
index aae42555e2c..5918586f2f7 100644
--- a/drivers/misc/genwqe/card_dev.c
+++ b/drivers/misc/genwqe/card_dev.c
@@ -5,7 +5,7 @@
*
* Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
* Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
- * Author: Michael Jung <mijung@de.ibm.com>
+ * Author: Michael Jung <mijung@gmx.net>
* Author: Michael Ruettger <michael@ibmra.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -213,9 +213,9 @@ static void genwqe_remove_mappings(struct genwqe_file *cfile)
* GENWQE_MAPPING_SGL_TEMP should be removed by tidy up code.
*/
dev_err(&pci_dev->dev,
- "[%s] %d. cleanup mapping: u_vaddr=%p "
- "u_kaddr=%016lx dma_addr=%lx\n", __func__, i++,
- dma_map->u_vaddr, (unsigned long)dma_map->k_vaddr,
+ "[%s] %d. cleanup mapping: u_vaddr=%p u_kaddr=%016lx dma_addr=%lx\n",
+ __func__, i++, dma_map->u_vaddr,
+ (unsigned long)dma_map->k_vaddr,
(unsigned long)dma_map->dma_addr);
if (dma_map->type == GENWQE_MAPPING_RAW) {
@@ -346,6 +346,7 @@ static int genwqe_open(struct inode *inode, struct file *filp)
static int genwqe_fasync(int fd, struct file *filp, int mode)
{
struct genwqe_file *cdev = (struct genwqe_file *)filp->private_data;
+
return fasync_helper(fd, filp, mode, &cdev->async_queue);
}
@@ -515,6 +516,7 @@ static int do_flash_update(struct genwqe_file *cfile,
u32 crc;
u8 cmdopts;
struct genwqe_dev *cd = cfile->cd;
+ struct file *filp = cfile->filp;
struct pci_dev *pci_dev = cd->pci_dev;
if ((load->size & 0x3) != 0)
@@ -609,7 +611,7 @@ static int do_flash_update(struct genwqe_file *cfile,
/* For Genwqe5 we get back the calculated CRC */
*(u64 *)&req->asv[0] = 0ULL; /* 0x80 */
- rc = __genwqe_execute_raw_ddcb(cd, req);
+ rc = __genwqe_execute_raw_ddcb(cd, req, filp->f_flags);
load->retc = req->retc;
load->attn = req->attn;
@@ -649,6 +651,7 @@ static int do_flash_read(struct genwqe_file *cfile,
u8 *xbuf;
u8 cmdopts;
struct genwqe_dev *cd = cfile->cd;
+ struct file *filp = cfile->filp;
struct pci_dev *pci_dev = cd->pci_dev;
struct genwqe_ddcb_cmd *cmd;
@@ -726,7 +729,7 @@ static int do_flash_read(struct genwqe_file *cfile,
/* we only get back the calculated CRC */
*(u64 *)&cmd->asv[0] = 0ULL; /* 0x80 */
- rc = __genwqe_execute_raw_ddcb(cd, cmd);
+ rc = __genwqe_execute_raw_ddcb(cd, cmd, filp->f_flags);
load->retc = cmd->retc;
load->attn = cmd->attn;
@@ -987,13 +990,14 @@ static int genwqe_execute_ddcb(struct genwqe_file *cfile,
{
int rc;
struct genwqe_dev *cd = cfile->cd;
+ struct file *filp = cfile->filp;
struct ddcb_requ *req = container_of(cmd, struct ddcb_requ, cmd);
rc = ddcb_cmd_fixups(cfile, req);
if (rc != 0)
return rc;
- rc = __genwqe_execute_raw_ddcb(cd, cmd);
+ rc = __genwqe_execute_raw_ddcb(cd, cmd, filp->f_flags);
ddcb_cmd_cleanup(cfile, req);
return rc;
}
@@ -1005,6 +1009,7 @@ static int do_execute_ddcb(struct genwqe_file *cfile,
struct genwqe_ddcb_cmd *cmd;
struct ddcb_requ *req;
struct genwqe_dev *cd = cfile->cd;
+ struct file *filp = cfile->filp;
cmd = ddcb_requ_alloc();
if (cmd == NULL)
@@ -1020,7 +1025,7 @@ static int do_execute_ddcb(struct genwqe_file *cfile,
if (!raw)
rc = genwqe_execute_ddcb(cfile, cmd);
else
- rc = __genwqe_execute_raw_ddcb(cd, cmd);
+ rc = __genwqe_execute_raw_ddcb(cd, cmd, filp->f_flags);
/* Copy back only the modifed fields. Do not copy ASIV
back since the copy got modified by the driver. */
diff --git a/drivers/misc/genwqe/card_sysfs.c b/drivers/misc/genwqe/card_sysfs.c
index 7232e40a3ad..2c33fbca922 100644
--- a/drivers/misc/genwqe/card_sysfs.c
+++ b/drivers/misc/genwqe/card_sysfs.c
@@ -5,7 +5,7 @@
*
* Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
* Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
- * Author: Michael Jung <mijung@de.ibm.com>
+ * Author: Michael Jung <mijung@gmx.net>
* Author: Michael Ruettger <michael@ibmra.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -91,13 +91,6 @@ static ssize_t type_show(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR_RO(type);
-static ssize_t driver_show(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- return sprintf(buf, "%s\n", DRV_VERS_STRING);
-}
-static DEVICE_ATTR_RO(driver);
-
static ssize_t tempsens_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -256,7 +249,6 @@ static struct attribute *genwqe_attributes[] = {
&dev_attr_next_bitstream.attr,
&dev_attr_curr_bitstream.attr,
&dev_attr_base_clock.attr,
- &dev_attr_driver.attr,
&dev_attr_type.attr,
&dev_attr_version.attr,
&dev_attr_appid.attr,
@@ -268,7 +260,6 @@ static struct attribute *genwqe_attributes[] = {
};
static struct attribute *genwqe_normal_attributes[] = {
- &dev_attr_driver.attr,
&dev_attr_type.attr,
&dev_attr_version.attr,
&dev_attr_appid.attr,
diff --git a/drivers/misc/genwqe/card_utils.c b/drivers/misc/genwqe/card_utils.c
index a6400f09229..7cb3b7e4173 100644
--- a/drivers/misc/genwqe/card_utils.c
+++ b/drivers/misc/genwqe/card_utils.c
@@ -5,7 +5,7 @@
*
* Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
* Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
- * Author: Michael Jung <mijung@de.ibm.com>
+ * Author: Michael Jung <mijung@gmx.net>
* Author: Michael Ruettger <michael@ibmra.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -150,6 +150,7 @@ int genwqe_read_app_id(struct genwqe_dev *cd, char *app_name, int len)
memset(app_name, 0, len);
for (i = 0, j = 0; j < min(len, 4); j++) {
char ch = (char)((app_id >> (24 - j*8)) & 0xff);
+
if (ch == ' ')
continue;
app_name[i++] = isprint(ch) ? ch : 'X';
@@ -304,8 +305,7 @@ int genwqe_alloc_sync_sgl(struct genwqe_dev *cd, struct genwqe_sgl *sgl,
sgl->nr_pages = DIV_ROUND_UP(sgl->fpage_offs + user_size, PAGE_SIZE);
sgl->lpage_size = (user_size - sgl->fpage_size) % PAGE_SIZE;
- dev_dbg(&pci_dev->dev, "[%s] uaddr=%p usize=%8ld nr_pages=%ld "
- "fpage_offs=%lx fpage_size=%ld lpage_size=%ld\n",
+ dev_dbg(&pci_dev->dev, "[%s] uaddr=%p usize=%8ld nr_pages=%ld fpage_offs=%lx fpage_size=%ld lpage_size=%ld\n",
__func__, user_addr, user_size, sgl->nr_pages,
sgl->fpage_offs, sgl->fpage_size, sgl->lpage_size);
@@ -662,6 +662,7 @@ int genwqe_user_vunmap(struct genwqe_dev *cd, struct dma_mapping *m,
u8 genwqe_card_type(struct genwqe_dev *cd)
{
u64 card_type = cd->slu_unitcfg;
+
return (u8)((card_type & IO_SLU_UNITCFG_TYPE_MASK) >> 20);
}
diff --git a/drivers/misc/genwqe/genwqe_driver.h b/drivers/misc/genwqe/genwqe_driver.h
index a506e9aa2d5..15355350e07 100644
--- a/drivers/misc/genwqe/genwqe_driver.h
+++ b/drivers/misc/genwqe/genwqe_driver.h
@@ -8,7 +8,7 @@
*
* Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
* Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
- * Author: Michael Jung <mijung@de.ibm.com>
+ * Author: Michael Jung <mijung@gmx.net>
* Author: Michael Ruettger <michael@ibmra.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -36,7 +36,7 @@
#include <asm/byteorder.h>
#include <linux/genwqe/genwqe_card.h>
-#define DRV_VERS_STRING "2.0.21"
+#define DRV_VERSION "2.0.25"
/*
* Static minor number assignement, until we decide/implement