/*
* SuperTrak EX Series Storage Controller driver for Linux
*
- * Copyright (C) 2005-2009 Promise Technology Inc.
+ * Copyright (C) 2005-2015 Promise Technology Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
#include <scsi/scsi_eh.h>
#define DRV_NAME "stex"
-#define ST_DRIVER_VERSION "4.6.0000.4"
-#define ST_VER_MAJOR 4
-#define ST_VER_MINOR 6
-#define ST_OEM 0
-#define ST_BUILD_VER 4
+#define ST_DRIVER_VERSION "5.00.0000.01"
+#define ST_VER_MAJOR 5
+#define ST_VER_MINOR 00
+#define ST_OEM 0000
+#define ST_BUILD_VER 01
enum {
/* MU register offset */
MU_STATE_STARTED = 2,
MU_STATE_RESETTING = 3,
MU_STATE_FAILED = 4,
+ MU_STATE_STOP = 5,
+ MU_STATE_NOCONNECT = 6,
MU_MAX_DELAY = 120,
MU_HANDSHAKE_SIGNATURE = 0x55aaaa55,
ST_ADDITIONAL_MEM = 0x200000,
ST_ADDITIONAL_MEM_MIN = 0x80000,
+ PMIC_SHUTDOWN = 0x0D,
+ PMIC_REUMSE = 0x10,
+ ST_IGNORED = -1,
+ ST_NOTHANDLED = 7,
+ ST_S3 = 3,
+ ST_S4 = 4,
+ ST_S5 = 5,
+ ST_S6 = 6,
};
struct st_sgitem {
u16 rq_count;
u16 rq_size;
u16 sts_count;
+ u8 supports_pm;
};
struct st_card_info {
readl(hba->mmio_base + YH2I_REQ); /* flush */
}
+static void return_abnormal_state(struct st_hba *hba, int status)
+{
+ struct st_ccb *ccb;
+ unsigned long flags;
+ u16 tag;
+
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ for (tag = 0; tag < hba->host->can_queue; tag++) {
+ ccb = &hba->ccb[tag];
+ if (ccb->req == NULL)
+ continue;
+ ccb->req = NULL;
+ if (ccb->cmd) {
+ scsi_dma_unmap(ccb->cmd);
+ ccb->cmd->result = status << 16;
+ ccb->cmd->scsi_done(ccb->cmd);
+ ccb->cmd = NULL;
+ }
+ }
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+}
static int
stex_slave_config(struct scsi_device *sdev)
{
id = cmd->device->id;
lun = cmd->device->lun;
hba = (struct st_hba *) &host->hostdata[0];
-
- if (unlikely(hba->mu_status == MU_STATE_RESETTING))
+ if (hba->mu_status == MU_STATE_NOCONNECT) {
+ cmd->result = DID_NO_CONNECT;
+ done(cmd);
+ return 0;
+ }
+ if (unlikely(hba->mu_status != MU_STATE_STARTED))
return SCSI_MLQUEUE_HOST_BUSY;
switch (cmd->cmnd[0]) {
static int stex_do_reset(struct st_hba *hba)
{
- struct st_ccb *ccb;
unsigned long flags;
unsigned int mu_status = MU_STATE_RESETTING;
- u16 tag;
spin_lock_irqsave(hba->host->host_lock, flags);
if (hba->mu_status == MU_STATE_STARTING) {
else if (hba->cardtype == st_yel)
stex_ss_reset(hba);
- spin_lock_irqsave(hba->host->host_lock, flags);
- for (tag = 0; tag < hba->host->can_queue; tag++) {
- ccb = &hba->ccb[tag];
- if (ccb->req == NULL)
- continue;
- ccb->req = NULL;
- if (ccb->cmd) {
- scsi_dma_unmap(ccb->cmd);
- ccb->cmd->result = DID_RESET << 16;
- ccb->cmd->scsi_done(ccb->cmd);
- ccb->cmd = NULL;
- }
- }
- spin_unlock_irqrestore(hba->host->host_lock, flags);
+
+ return_abnormal_state(hba, DID_RESET);
if (stex_handshake(hba) == 0)
return 0;
hba->cardtype = (unsigned int) id->driver_data;
ci = &stex_card_info[hba->cardtype];
+ switch (id->subdevice) {
+ case 0x4221:
+ case 0x4222:
+ case 0x4223:
+ case 0x4224:
+ case 0x4225:
+ case 0x4226:
+ case 0x4227:
+ case 0x4261:
+ case 0x4262:
+ case 0x4263:
+ case 0x4264:
+ case 0x4265:
+ break;
+ default:
+ if (hba->cardtype == st_yel)
+ hba->supports_pm = 1;
+ }
+
sts_offset = scratch_offset = (ci->rq_count+1) * ci->rq_size;
if (hba->cardtype == st_yel)
sts_offset += (ci->sts_count+1) * sizeof(u32);
return err;
}
-static void stex_hba_stop(struct st_hba *hba)
+static void stex_hba_stop(struct st_hba *hba, int st_sleep_mic)
{
struct req_msg *req;
struct st_msg_header *msg_h;
u16 tag = 0;
spin_lock_irqsave(hba->host->host_lock, flags);
+
+ if (hba->cardtype == st_yel && hba->supports_pm == 1)
+ {
+ if(st_sleep_mic == ST_NOTHANDLED)
+ {
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+ return;
+ }
+ }
req = hba->alloc_rq(hba);
if (hba->cardtype == st_yel) {
msg_h = (struct st_msg_header *)req - 1;
} else
memset(req, 0, hba->rq_size);
- if (hba->cardtype == st_yosemite || hba->cardtype == st_yel) {
+ if ((hba->cardtype == st_yosemite || hba->cardtype == st_yel)
+ && st_sleep_mic == ST_IGNORED) {
req->cdb[0] = MGT_CMD;
req->cdb[1] = MGT_CMD_SIGNATURE;
req->cdb[2] = CTLR_CONFIG_CMD;
req->cdb[3] = CTLR_SHUTDOWN;
+ } else if (hba->cardtype == st_yel && st_sleep_mic != ST_IGNORED) {
+ req->cdb[0] = MGT_CMD;
+ req->cdb[1] = MGT_CMD_SIGNATURE;
+ req->cdb[2] = CTLR_CONFIG_CMD;
+ req->cdb[3] = PMIC_SHUTDOWN;
+ req->cdb[4] = st_sleep_mic;
} else {
req->cdb[0] = CONTROLLER_CMD;
req->cdb[1] = CTLR_POWER_STATE_CHANGE;
while (hba->ccb[tag].req_type & PASSTHRU_REQ_TYPE) {
if (time_after(jiffies, before + ST_INTERNAL_TIMEOUT * HZ)) {
hba->ccb[tag].req_type = 0;
+ hba->mu_status = MU_STATE_STOP;
return;
}
msleep(1);
}
+ hba->mu_status = MU_STATE_STOP;
}
static void stex_hba_free(struct st_hba *hba)
{
struct st_hba *hba = pci_get_drvdata(pdev);
+ hba->mu_status = MU_STATE_NOCONNECT;
+ return_abnormal_state(hba, DID_NO_CONNECT);
scsi_remove_host(hba->host);
- stex_hba_stop(hba);
+ scsi_block_requests(hba->host);
stex_hba_free(hba);
{
struct st_hba *hba = pci_get_drvdata(pdev);
- stex_hba_stop(hba);
+ if (hba->supports_pm == 0)
+ stex_hba_stop(hba, ST_IGNORED);
+ else
+ stex_hba_stop(hba, ST_S5);
+}
+
+static int stex_choice_sleep_mic(pm_message_t state)
+{
+ switch (state.event) {
+ case PM_EVENT_SUSPEND:
+ return ST_S3;
+ case PM_EVENT_HIBERNATE:
+ return ST_S4;
+ default:
+ return ST_NOTHANDLED;
+ }
+}
+
+static int stex_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct st_hba *hba = pci_get_drvdata(pdev);
+
+ if (hba->cardtype == st_yel && hba->supports_pm == 1)
+ stex_hba_stop(hba, stex_choice_sleep_mic(state));
+ else
+ stex_hba_stop(hba, ST_IGNORED);
+ return 0;
}
+static int stex_resume(struct pci_dev *pdev)
+{
+ struct st_hba *hba = pci_get_drvdata(pdev);
+
+ hba->mu_status = MU_STATE_STARTING;
+ stex_handshake(hba);
+ return 0;
+}
MODULE_DEVICE_TABLE(pci, stex_pci_tbl);
static struct pci_driver stex_pci_driver = {
.probe = stex_probe,
.remove = stex_remove,
.shutdown = stex_shutdown,
+ .suspend = stex_suspend,
+ .resume = stex_resume,
};
static int __init stex_init(void)
projects / karo-tx-linux.git / blobdiff