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[SCSI] fusion - mptctl -adding asyn event notification support 

Adding aen support.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Moore, Eric 2006-02-02 17:20:01 -07:00 committed by
parent 946cbf040a
commit ea5a7a82f9
2 changed files with 80 additions and 0 deletions
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1
drivers/message/fusion/mptbase.h
View File

@ -616,6 +616,7 @@ typedef struct _MPT_ADAPTER
* increments by 32 bytes
*/
int errata_flag_1064;
int aen_event_read_flag; /* flag to indicate event log was read*/
u8 FirstWhoInit;
u8 upload_fw; /* If set, do a fw upload */
u8 reload_fw; /* Force a FW Reload on next reset */

79
drivers/message/fusion/mptctl.c
View File

@ -136,6 +136,12 @@ static void mptctl_free_tm_flags(MPT_ADAPTER *ioc);
*/
static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase);
/*
* Event Handler function
*/
static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
struct fasync_struct *async_queue=NULL;
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* Scatter gather list (SGL) sizes and limits...
@ -471,6 +477,69 @@ mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
return 1;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/* ASYNC Event Notification Support */
static int
mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
{
u8 event;
event = le32_to_cpu(pEvReply->Event) & 0xFF;
dctlprintk(("%s() called\n", __FUNCTION__));
if(async_queue == NULL)
return 1;
/* Raise SIGIO for persistent events.
* TODO - this define is not in MPI spec yet,
* but they plan to set it to 0x21
*/
if (event == 0x21 ) {
ioc->aen_event_read_flag=1;
dctlprintk(("Raised SIGIO to application\n"));
devtprintk(("Raised SIGIO to application\n"));
kill_fasync(&async_queue, SIGIO, POLL_IN);
return 1;
}
/* This flag is set after SIGIO was raised, and
* remains set until the application has read
* the event log via ioctl=MPTEVENTREPORT
*/
if(ioc->aen_event_read_flag)
return 1;
/* Signal only for the events that are
* requested for by the application
*/
if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
ioc->aen_event_read_flag=1;
dctlprintk(("Raised SIGIO to application\n"));
devtprintk(("Raised SIGIO to application\n"));
kill_fasync(&async_queue, SIGIO, POLL_IN);
}
return 1;
}
static int
mptctl_fasync(int fd, struct file *filep, int mode)
{
MPT_ADAPTER *ioc;
list_for_each_entry(ioc, &ioc_list, list)
ioc->aen_event_read_flag=0;
dctlprintk(("%s() called\n", __FUNCTION__));
return fasync_helper(fd, filep, mode, &async_queue);
}
static int
mptctl_release(struct inode *inode, struct file *filep)
{
dctlprintk(("%s() called\n", __FUNCTION__));
return fasync_helper(-1, filep, 0, &async_queue);
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* MPT ioctl handler
@ -1603,6 +1672,9 @@ mptctl_eventreport (unsigned long arg)
if ((max < 1) || !ioc->events)
return -ENODATA;
/* reset this flag so SIGIO can restart */
ioc->aen_event_read_flag=0;
/* Copy the data from kernel memory to user memory
*/
numBytes = max * sizeof(MPT_IOCTL_EVENTS);
@ -2649,6 +2721,8 @@ mptctl_hp_targetinfo(unsigned long arg)
static struct file_operations mptctl_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.release = mptctl_release,
.fasync = mptctl_fasync,
.unlocked_ioctl = mptctl_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = compat_mpctl_ioctl,
@ -2893,6 +2967,11 @@ static int __init mptctl_init(void)
/* FIXME! */
}
if (mpt_event_register(mptctl_id, mptctl_event_process) == 0) {
devtprintk((KERN_INFO MYNAM
": Registered for IOC event notifications\n"));
}
return 0;
out_fail: