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authorYang, Bo <Bo.Yang@lsi.com>2009-12-06 08:39:25 -0700
committerJames Bottomley <James.Bottomley@suse.de>2010-02-17 13:12:40 -0600
commitc978684254d11e3768c5a0b2780302fb0cada29c (patch)
tree174dbe555a241222216dc2b180b96406469757ef
parentbdc6fb8d69fab7b4b7f70823e3932bd8e4cfd7db (diff)
[SCSI] megaraid_sas: driver fixed the device update issue
driver fixed the device update issue after get the AEN PD delete/ADD and LD add/delete from FW. Signed-off-by Bo Yang<bo.yang@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index a92998fe246..9ad274cf73a 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -4072,6 +4072,7 @@ megasas_aen_polling(struct work_struct *work)
struct Scsi_Host *host;
struct scsi_device *sdev1;
u16 pd_index = 0;
+ u16 ld_index = 0;
int i, j, doscan = 0;
u32 seq_num;
int error;
@@ -4087,8 +4088,124 @@ megasas_aen_polling(struct work_struct *work)
switch (instance->evt_detail->code) {
case MR_EVT_PD_INSERTED:
+ if (megasas_get_pd_list(instance) == 0) {
+ for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) {
+ for (j = 0;
+ j < MEGASAS_MAX_DEV_PER_CHANNEL;
+ j++) {
+
+ pd_index =
+ (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
+
+ sdev1 =
+ scsi_device_lookup(host, i, j, 0);
+
+ if (instance->pd_list[pd_index].driveState
+ == MR_PD_STATE_SYSTEM) {
+ if (!sdev1) {
+ scsi_add_device(host, i, j, 0);
+ }
+
+ if (sdev1)
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ }
+ doscan = 0;
+ break;
+
case MR_EVT_PD_REMOVED:
+ if (megasas_get_pd_list(instance) == 0) {
+ megasas_get_pd_list(instance);
+ for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) {
+ for (j = 0;
+ j < MEGASAS_MAX_DEV_PER_CHANNEL;
+ j++) {
+
+ pd_index =
+ (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
+
+ sdev1 =
+ scsi_device_lookup(host, i, j, 0);
+
+ if (instance->pd_list[pd_index].driveState
+ == MR_PD_STATE_SYSTEM) {
+ if (sdev1) {
+ scsi_device_put(sdev1);
+ }
+ } else {
+ if (sdev1) {
+ scsi_remove_device(sdev1);
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ }
+ }
+ doscan = 0;
+ break;
+
+ case MR_EVT_LD_OFFLINE:
+ case MR_EVT_LD_DELETED:
+ megasas_get_ld_list(instance);
+ for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
+ for (j = 0;
+ j < MEGASAS_MAX_DEV_PER_CHANNEL;
+ j++) {
+
+ ld_index =
+ (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
+
+ sdev1 = scsi_device_lookup(host,
+ i + MEGASAS_MAX_LD_CHANNELS,
+ j,
+ 0);
+
+ if (instance->ld_ids[ld_index] != 0xff) {
+ if (sdev1) {
+ scsi_device_put(sdev1);
+ }
+ } else {
+ if (sdev1) {
+ scsi_remove_device(sdev1);
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ }
+ doscan = 0;
+ break;
+ case MR_EVT_LD_CREATED:
+ megasas_get_ld_list(instance);
+ for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
+ for (j = 0;
+ j < MEGASAS_MAX_DEV_PER_CHANNEL;
+ j++) {
+ ld_index =
+ (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
+
+ sdev1 = scsi_device_lookup(host,
+ i+MEGASAS_MAX_LD_CHANNELS,
+ j, 0);
+
+ if (instance->ld_ids[ld_index] !=
+ 0xff) {
+ if (!sdev1) {
+ scsi_add_device(host,
+ i + 2,
+ j, 0);
+ }
+ }
+ if (sdev1) {
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ doscan = 0;
+ break;
case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED:
+ case MR_EVT_FOREIGN_CFG_IMPORTED:
doscan = 1;
break;
default:
@@ -4123,6 +4240,31 @@ megasas_aen_polling(struct work_struct *work)
}
}
}
+
+ megasas_get_ld_list(instance);
+ for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
+ for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) {
+ ld_index =
+ (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
+
+ sdev1 = scsi_device_lookup(host,
+ i+MEGASAS_MAX_LD_CHANNELS, j, 0);
+ if (instance->ld_ids[ld_index] != 0xff) {
+ if (!sdev1) {
+ scsi_add_device(host,
+ i+2,
+ j, 0);
+ } else {
+ scsi_device_put(sdev1);
+ }
+ } else {
+ if (sdev1) {
+ scsi_remove_device(sdev1);
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ }
}
if ( instance->aen_cmd != NULL ) {