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IB/qib: Convert timers to use timer_setup() 

In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
helper to pass the timer pointer explicitly.

Cc: Mike Marciniszyn <infinipath@intel.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Cc: Hal Rosenstock <hal.rosenstock@gmail.com>
Cc: linux-rdma@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Kees Cook 2017-10-04 17:45:35 -07:00 committed by Doug Ledford
parent f0309de91a
commit 4037c92f0a
12 changed files with 62 additions and 75 deletions
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4
drivers/infiniband/hw/qib/qib.h
View File

@ -1188,7 +1188,7 @@ int qib_set_lid(struct qib_pportdata *, u32, u8);
void qib_hol_down(struct qib_pportdata *);
void qib_hol_init(struct qib_pportdata *);
void qib_hol_up(struct qib_pportdata *);
void qib_hol_event(unsigned long);
void qib_hol_event(struct timer_list *);
void qib_disable_after_error(struct qib_devdata *);
int qib_set_uevent_bits(struct qib_pportdata *, const int);
@ -1302,7 +1302,7 @@ void qib_get_eeprom_info(struct qib_devdata *);
#define qib_inc_eeprom_err(dd, eidx, incr)
void qib_dump_lookup_output_queue(struct qib_devdata *);
void qib_force_pio_avail_update(struct qib_devdata *);
void qib_clear_symerror_on_linkup(unsigned long opaque);
void qib_clear_symerror_on_linkup(struct timer_list *t);
/*
* Set LED override, only the two LSBs have "public" meaning, but

1
drivers/infiniband/hw/qib/qib_7220.h
View File

@ -75,6 +75,7 @@ struct qib_chip_specific {
char bitsmsgbuf[64];
struct timer_list relock_timer;
unsigned int relock_interval; /* in jiffies */
struct qib_devdata *dd;
};
struct qib_chippport_specific {

9
drivers/infiniband/hw/qib/qib_driver.c
View File

@ -682,9 +682,10 @@ int qib_set_lid(struct qib_pportdata *ppd, u32 lid, u8 lmc)
/* Below is "non-zero" to force override, but both actual LEDs are off */
#define LED_OVER_BOTH_OFF (8)
static void qib_run_led_override(unsigned long opaque)
static void qib_run_led_override(struct timer_list *t)
{
struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
struct qib_pportdata *ppd = from_timer(ppd, t,
led_override_timer);
struct qib_devdata *dd = ppd->dd;
int timeoff;
int ph_idx;
@ -735,9 +736,7 @@ void qib_set_led_override(struct qib_pportdata *ppd, unsigned int val)
*/
if (atomic_inc_return(&ppd->led_override_timer_active) == 1) {
/* Need to start timer */
init_timer(&ppd->led_override_timer);
ppd->led_override_timer.function = qib_run_led_override;
ppd->led_override_timer.data = (unsigned long) ppd;
timer_setup(&ppd->led_override_timer, qib_run_led_override, 0);
ppd->led_override_timer.expires = jiffies + 1;
add_timer(&ppd->led_override_timer);
} else {

19
drivers/infiniband/hw/qib/qib_iba6120.c
View File

@ -266,6 +266,7 @@ struct qib_chip_specific {
u64 rpkts; /* total packets received (sample result) */
u64 xmit_wait; /* # of ticks no data sent (sample result) */
struct timer_list pma_timer;
struct qib_pportdata *ppd;
char emsgbuf[128];
char bitsmsgbuf[64];
u8 pma_sample_status;
@ -2647,9 +2648,9 @@ static void qib_chk_6120_errormask(struct qib_devdata *dd)
* need traffic_wds done the way it is
* called from add_timer
*/
static void qib_get_6120_faststats(unsigned long opaque)
static void qib_get_6120_faststats(struct timer_list *t)
{
struct qib_devdata *dd = (struct qib_devdata *) opaque;
struct qib_devdata *dd = from_timer(dd, t, stats_timer);
struct qib_pportdata *ppd = dd->pport;
unsigned long flags;
u64 traffic_wds;
@ -2937,10 +2938,10 @@ static int qib_6120_set_loopback(struct qib_pportdata *ppd, const char *what)
return ret;
}
static void pma_6120_timer(unsigned long data)
static void pma_6120_timer(struct timer_list *t)
{
struct qib_pportdata *ppd = (struct qib_pportdata *)data;
struct qib_chip_specific *cs = ppd->dd->cspec;
struct qib_chip_specific *cs = from_timer(cs, t, pma_timer);
struct qib_pportdata *ppd = cs->ppd;
struct qib_ibport *ibp = &ppd->ibport_data;
unsigned long flags;
@ -3205,6 +3206,7 @@ static int init_6120_variables(struct qib_devdata *dd)
dd->num_pports = 1;
dd->cspec = (struct qib_chip_specific *)(ppd + dd->num_pports);
dd->cspec->ppd = ppd;
ppd->cpspec = NULL; /* not used in this chip */
spin_lock_init(&dd->cspec->kernel_tid_lock);
@ -3289,11 +3291,8 @@ static int init_6120_variables(struct qib_devdata *dd)
dd->rhdrhead_intr_off = 1ULL << 32;
/* setup the stats timer; the add_timer is done at end of init */
setup_timer(&dd->stats_timer, qib_get_6120_faststats,
(unsigned long)dd);
setup_timer(&dd->cspec->pma_timer, pma_6120_timer,
(unsigned long)ppd);
timer_setup(&dd->stats_timer, qib_get_6120_faststats, 0);
timer_setup(&dd->cspec->pma_timer, pma_6120_timer, 0);
dd->ureg_align = qib_read_kreg32(dd, kr_palign);

20
drivers/infiniband/hw/qib/qib_iba7220.c
View File

@ -1042,9 +1042,11 @@ done:
return iserr;
}
static void reenable_7220_chase(unsigned long opaque)
static void reenable_7220_chase(struct timer_list *t)
{
struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
struct qib_chippport_specific *cpspec = from_timer(cpspec, t,
chase_timer);
struct qib_pportdata *ppd = &cpspec->pportdata;
ppd->cpspec->chase_timer.expires = 0;
qib_set_ib_7220_lstate(ppd, QLOGIC_IB_IBCC_LINKCMD_DOWN,
@ -1663,7 +1665,7 @@ static void qib_7220_quiet_serdes(struct qib_pportdata *ppd)
dd->control | QLOGIC_IB_C_FREEZEMODE);
ppd->cpspec->chase_end = 0;
if (ppd->cpspec->chase_timer.data) /* if initted */
if (ppd->cpspec->chase_timer.function) /* if initted */
del_timer_sync(&ppd->cpspec->chase_timer);
if (ppd->cpspec->ibsymdelta || ppd->cpspec->iblnkerrdelta ||
@ -3263,9 +3265,9 @@ done:
* need traffic_wds done the way it is
* called from add_timer
*/
static void qib_get_7220_faststats(unsigned long opaque)
static void qib_get_7220_faststats(struct timer_list *t)
{
struct qib_devdata *dd = (struct qib_devdata *) opaque;
struct qib_devdata *dd = from_timer(dd, t, stats_timer);
struct qib_pportdata *ppd = dd->pport;
unsigned long flags;
u64 traffic_wds;
@ -3997,6 +3999,7 @@ static int qib_init_7220_variables(struct qib_devdata *dd)
dd->num_pports = 1;
dd->cspec = (struct qib_chip_specific *)(cpspec + dd->num_pports);
dd->cspec->dd = dd;
ppd->cpspec = cpspec;
spin_lock_init(&dd->cspec->sdepb_lock);
@ -4069,8 +4072,7 @@ static int qib_init_7220_variables(struct qib_devdata *dd)
if (!qib_mini_init)
qib_write_kreg(dd, kr_rcvbthqp, QIB_KD_QP);
setup_timer(&ppd->cpspec->chase_timer, reenable_7220_chase,
(unsigned long)ppd);
timer_setup(&ppd->cpspec->chase_timer, reenable_7220_chase, 0);
qib_num_cfg_vls = 1; /* if any 7220's, only one VL */
@ -4095,9 +4097,7 @@ static int qib_init_7220_variables(struct qib_devdata *dd)
dd->rhdrhead_intr_off = 1ULL << 32;
/* setup the stats timer; the add_timer is done at end of init */
init_timer(&dd->stats_timer);
dd->stats_timer.function = qib_get_7220_faststats;
dd->stats_timer.data = (unsigned long) dd;
timer_setup(&dd->stats_timer, qib_get_7220_faststats, 0);
dd->stats_timer.expires = jiffies + ACTIVITY_TIMER * HZ;
/*

17
drivers/infiniband/hw/qib/qib_iba7322.c
View File

@ -1739,9 +1739,10 @@ static void qib_error_tasklet(unsigned long data)
qib_write_kreg(dd, kr_errmask, dd->cspec->errormask);
}
static void reenable_chase(unsigned long opaque)
static void reenable_chase(struct timer_list *t)
{
struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
struct qib_chippport_specific *cp = from_timer(cp, t, chase_timer);
struct qib_pportdata *ppd = cp->ppd;
ppd->cpspec->chase_timer.expires = 0;
qib_set_ib_7322_lstate(ppd, QLOGIC_IB_IBCC_LINKCMD_DOWN,
@ -2531,7 +2532,7 @@ static void qib_7322_mini_quiet_serdes(struct qib_pportdata *ppd)
cancel_delayed_work_sync(&ppd->cpspec->ipg_work);
ppd->cpspec->chase_end = 0;
if (ppd->cpspec->chase_timer.data) /* if initted */
if (ppd->cpspec->chase_timer.function) /* if initted */
del_timer_sync(&ppd->cpspec->chase_timer);
/*
@ -5138,9 +5139,9 @@ done:
*
* called from add_timer
*/
static void qib_get_7322_faststats(unsigned long opaque)
static void qib_get_7322_faststats(struct timer_list *t)
{
struct qib_devdata *dd = (struct qib_devdata *) opaque;
struct qib_devdata *dd = from_timer(dd, t, stats_timer);
struct qib_pportdata *ppd;
unsigned long flags;
u64 traffic_wds;
@ -6614,8 +6615,7 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
if (!qib_mini_init)
write_7322_init_portregs(ppd);
setup_timer(&cp->chase_timer, reenable_chase,
(unsigned long)ppd);
timer_setup(&cp->chase_timer, reenable_chase, 0);
ppd++;
}
@ -6641,8 +6641,7 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
(u64) rcv_int_count << IBA7322_HDRHEAD_PKTINT_SHIFT;
/* setup the stats timer; the add_timer is done at end of init */
setup_timer(&dd->stats_timer, qib_get_7322_faststats,
(unsigned long)dd);
timer_setup(&dd->stats_timer, qib_get_7322_faststats, 0);
dd->ureg_align = 0x10000; /* 64KB alignment */

29
drivers/infiniband/hw/qib/qib_init.c
View File

@ -93,7 +93,7 @@ unsigned qib_cc_table_size;
module_param_named(cc_table_size, qib_cc_table_size, uint, S_IRUGO);
MODULE_PARM_DESC(cc_table_size, "Congestion control table entries 0 (CCA disabled - default), min = 128, max = 1984");
static void verify_interrupt(unsigned long);
static void verify_interrupt(struct timer_list *);
static struct idr qib_unit_table;
u32 qib_cpulist_count;
@ -233,8 +233,7 @@ int qib_init_pportdata(struct qib_pportdata *ppd, struct qib_devdata *dd,
spin_lock_init(&ppd->cc_shadow_lock);
init_waitqueue_head(&ppd->state_wait);
setup_timer(&ppd->symerr_clear_timer, qib_clear_symerror_on_linkup,
(unsigned long)ppd);
timer_setup(&ppd->symerr_clear_timer, qib_clear_symerror_on_linkup, 0);
ppd->qib_wq = NULL;
ppd->ibport_data.pmastats =
@ -428,8 +427,7 @@ static int loadtime_init(struct qib_devdata *dd)
qib_get_eeprom_info(dd);
/* setup time (don't start yet) to verify we got interrupt */
setup_timer(&dd->intrchk_timer, verify_interrupt,
(unsigned long)dd);
timer_setup(&dd->intrchk_timer, verify_interrupt, 0);
done:
return ret;
}
@ -493,9 +491,9 @@ static void enable_chip(struct qib_devdata *dd)
}
}
static void verify_interrupt(unsigned long opaque)
static void verify_interrupt(struct timer_list *t)
{
struct qib_devdata *dd = (struct qib_devdata *) opaque;
struct qib_devdata *dd = from_timer(dd, t, intrchk_timer);
u64 int_counter;
if (!dd)
@ -753,8 +751,7 @@ done:
continue;
if (dd->flags & QIB_HAS_SEND_DMA)
ret = qib_setup_sdma(ppd);
setup_timer(&ppd->hol_timer, qib_hol_event,
(unsigned long)ppd);
timer_setup(&ppd->hol_timer, qib_hol_event, 0);
ppd->hol_state = QIB_HOL_UP;
}
@ -815,23 +812,19 @@ static void qib_stop_timers(struct qib_devdata *dd)
struct qib_pportdata *ppd;
int pidx;
if (dd->stats_timer.data) {
if (dd->stats_timer.function)
del_timer_sync(&dd->stats_timer);
dd->stats_timer.data = 0;
}
if (dd->intrchk_timer.data) {
if (dd->intrchk_timer.function)
del_timer_sync(&dd->intrchk_timer);
dd->intrchk_timer.data = 0;
}
for (pidx = 0; pidx < dd->num_pports; ++pidx) {
ppd = dd->pport + pidx;
if (ppd->hol_timer.data)
if (ppd->hol_timer.function)
del_timer_sync(&ppd->hol_timer);
if (ppd->led_override_timer.data) {
if (ppd->led_override_timer.function) {
del_timer_sync(&ppd->led_override_timer);
atomic_set(&ppd->led_override_timer_active, 0);
}
if (ppd->symerr_clear_timer.data)
if (ppd->symerr_clear_timer.function)
del_timer_sync(&ppd->symerr_clear_timer);
}
}

6
drivers/infiniband/hw/qib/qib_intr.c
View File

@ -141,7 +141,7 @@ void qib_handle_e_ibstatuschanged(struct qib_pportdata *ppd, u64 ibcs)
qib_hol_up(ppd); /* useful only for 6120 now */
*ppd->statusp |=
QIB_STATUS_IB_READY | QIB_STATUS_IB_CONF;
qib_clear_symerror_on_linkup((unsigned long)ppd);
qib_clear_symerror_on_linkup(&ppd->symerr_clear_timer);
spin_lock_irqsave(&ppd->lflags_lock, flags);
ppd->lflags |= QIBL_LINKACTIVE | QIBL_LINKV;
ppd->lflags &= ~(QIBL_LINKINIT |
@ -170,9 +170,9 @@ skip_ibchange:
signal_ib_event(ppd, ev);
}
void qib_clear_symerror_on_linkup(unsigned long opaque)
void qib_clear_symerror_on_linkup(struct timer_list *t)
{
struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
struct qib_pportdata *ppd = from_timer(ppd, t, symerr_clear_timer);
if (ppd->lflags & QIBL_LINKACTIVE)
return;

12
drivers/infiniband/hw/qib/qib_mad.c
View File

@ -2446,9 +2446,9 @@ bail:
return ret;
}
static void xmit_wait_timer_func(unsigned long opaque)
static void xmit_wait_timer_func(struct timer_list *t)
{
struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
struct qib_pportdata *ppd = from_timer(ppd, t, cong_stats.timer);
struct qib_devdata *dd = dd_from_ppd(ppd);
unsigned long flags;
u8 status;
@ -2478,10 +2478,8 @@ void qib_notify_create_mad_agent(struct rvt_dev_info *rdi, int port_idx)
/* Initialize xmit_wait structure */
dd->pport[port_idx].cong_stats.counter = 0;
init_timer(&dd->pport[port_idx].cong_stats.timer);
dd->pport[port_idx].cong_stats.timer.function = xmit_wait_timer_func;
dd->pport[port_idx].cong_stats.timer.data =
(unsigned long)(&dd->pport[port_idx]);
timer_setup(&dd->pport[port_idx].cong_stats.timer,
xmit_wait_timer_func, 0);
dd->pport[port_idx].cong_stats.timer.expires = 0;
add_timer(&dd->pport[port_idx].cong_stats.timer);
}
@ -2492,7 +2490,7 @@ void qib_notify_free_mad_agent(struct rvt_dev_info *rdi, int port_idx)
struct qib_devdata *dd = container_of(ibdev,
struct qib_devdata, verbs_dev);
if (dd->pport[port_idx].cong_stats.timer.data)
if (dd->pport[port_idx].cong_stats.timer.function)
del_timer_sync(&dd->pport[port_idx].cong_stats.timer);
if (dd->pport[port_idx].ibport_data.smi_ah)

10
drivers/infiniband/hw/qib/qib_sd7220.c
View File

@ -1390,11 +1390,11 @@ module_param_named(relock_by_timer, qib_relock_by_timer, uint,
S_IWUSR | S_IRUGO);
MODULE_PARM_DESC(relock_by_timer, "Allow relock attempt if link not up");
static void qib_run_relock(unsigned long opaque)
static void qib_run_relock(struct timer_list *t)
{
struct qib_devdata *dd = (struct qib_devdata *)opaque;
struct qib_chip_specific *cs = from_timer(cs, t, relock_timer);
struct qib_devdata *dd = cs->dd;
struct qib_pportdata *ppd = dd->pport;
struct qib_chip_specific *cs = dd->cspec;
int timeoff;
/*
@ -1440,9 +1440,7 @@ void set_7220_relock_poll(struct qib_devdata *dd, int ibup)
/* If timer has not yet been started, do so. */
if (!cs->relock_timer_active) {
cs->relock_timer_active = 1;
init_timer(&cs->relock_timer);
cs->relock_timer.function = qib_run_relock;
cs->relock_timer.data = (unsigned long) dd;
timer_setup(&cs->relock_timer, qib_run_relock, 0);
cs->relock_interval = timeout;
cs->relock_timer.expires = jiffies + timeout;
add_timer(&cs->relock_timer);

4
drivers/infiniband/hw/qib/qib_tx.c
View File

@ -552,9 +552,9 @@ void qib_hol_up(struct qib_pportdata *ppd)
/*
* This is only called via the timer.
*/
void qib_hol_event(unsigned long opaque)
void qib_hol_event(struct timer_list *t)
{
struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
struct qib_pportdata *ppd = from_timer(ppd, t, hol_timer);
/* If hardware error, etc, skip. */
if (!(ppd->dd->flags & QIB_INITTED))

6
drivers/infiniband/hw/qib/qib_verbs.c
View File

@ -389,9 +389,9 @@ drop:
* This is called from a timer to check for QPs
* which need kernel memory in order to send a packet.
*/
static void mem_timer(unsigned long data)
static void mem_timer(struct timer_list *t)
{
struct qib_ibdev *dev = (struct qib_ibdev *) data;
struct qib_ibdev *dev = from_timer(dev, t, mem_timer);
struct list_head *list = &dev->memwait;
struct rvt_qp *qp = NULL;
struct qib_qp_priv *priv = NULL;
@ -1532,7 +1532,7 @@ int qib_register_ib_device(struct qib_devdata *dd)
init_ibport(ppd + i);
/* Only need to initialize non-zero fields. */
setup_timer(&dev->mem_timer, mem_timer, (unsigned long)dev);
timer_setup(&dev->mem_timer, mem_timer, 0);
INIT_LIST_HEAD(&dev->piowait);
INIT_LIST_HEAD(&dev->dmawait);