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path: root/drivers/scsi/be2iscsi/be_cmds.c
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Diffstat (limited to 'drivers/scsi/be2iscsi/be_cmds.c')
-rw-r--r--drivers/scsi/be2iscsi/be_cmds.c116
1 files changed, 98 insertions, 18 deletions
diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index cda6642c7368..7c7537335c88 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -19,6 +19,86 @@
#include "be_mgmt.h"
#include "be_main.h"
+int beiscsi_pci_soft_reset(struct beiscsi_hba *phba)
+{
+ u32 sreset;
+ u8 *pci_reset_offset = 0;
+ u8 *pci_online0_offset = 0;
+ u8 *pci_online1_offset = 0;
+ u32 pconline0 = 0;
+ u32 pconline1 = 0;
+ u32 i;
+
+ pci_reset_offset = (u8 *)phba->pci_va + BE2_SOFT_RESET;
+ pci_online0_offset = (u8 *)phba->pci_va + BE2_PCI_ONLINE0;
+ pci_online1_offset = (u8 *)phba->pci_va + BE2_PCI_ONLINE1;
+ sreset = readl((void *)pci_reset_offset);
+ sreset |= BE2_SET_RESET;
+ writel(sreset, (void *)pci_reset_offset);
+
+ i = 0;
+ while (sreset & BE2_SET_RESET) {
+ if (i > 64)
+ break;
+ msleep(100);
+ sreset = readl((void *)pci_reset_offset);
+ i++;
+ }
+
+ if (sreset & BE2_SET_RESET) {
+ printk(KERN_ERR "Soft Reset did not deassert\n");
+ return -EIO;
+ }
+ pconline1 = BE2_MPU_IRAM_ONLINE;
+ writel(pconline0, (void *)pci_online0_offset);
+ writel(pconline1, (void *)pci_online1_offset);
+
+ sreset = BE2_SET_RESET;
+ writel(sreset, (void *)pci_reset_offset);
+
+ i = 0;
+ while (sreset & BE2_SET_RESET) {
+ if (i > 64)
+ break;
+ msleep(1);
+ sreset = readl((void *)pci_reset_offset);
+ i++;
+ }
+ if (sreset & BE2_SET_RESET) {
+ printk(KERN_ERR "MPU Online Soft Reset did not deassert\n");
+ return -EIO;
+ }
+ return 0;
+}
+
+int be_chk_reset_complete(struct beiscsi_hba *phba)
+{
+ unsigned int num_loop;
+ u8 *mpu_sem = 0;
+ u32 status;
+
+ num_loop = 1000;
+ mpu_sem = (u8 *)phba->csr_va + MPU_EP_SEMAPHORE;
+ msleep(5000);
+
+ while (num_loop) {
+ status = readl((void *)mpu_sem);
+
+ if ((status & 0x80000000) || (status & 0x0000FFFF) == 0xC000)
+ break;
+ msleep(60);
+ num_loop--;
+ }
+
+ if ((status & 0x80000000) || (!num_loop)) {
+ printk(KERN_ERR "Failed in be_chk_reset_complete"
+ "status = 0x%x\n", status);
+ return -EIO;
+ }
+
+ return 0;
+}
+
void be_mcc_notify(struct beiscsi_hba *phba)
{
struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
@@ -98,7 +178,7 @@ static int be_mcc_compl_process(struct be_ctrl_info *ctrl,
dev_err(&ctrl->pdev->dev,
"error in cmd completion: status(compl/extd)=%d/%d\n",
compl_status, extd_status);
- return -1;
+ return -EBUSY;
}
return 0;
}
@@ -151,20 +231,20 @@ void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
{
switch (evt->port_link_status) {
case ASYNC_EVENT_LINK_DOWN:
- SE_DEBUG(DBG_LVL_1, "Link Down on Physical Port %d \n",
- evt->physical_port);
+ SE_DEBUG(DBG_LVL_1, "Link Down on Physical Port %d\n",
+ evt->physical_port);
phba->state |= BE_ADAPTER_LINK_DOWN;
iscsi_host_for_each_session(phba->shost,
be2iscsi_fail_session);
break;
case ASYNC_EVENT_LINK_UP:
phba->state = BE_ADAPTER_UP;
- SE_DEBUG(DBG_LVL_1, "Link UP on Physical Port %d \n",
+ SE_DEBUG(DBG_LVL_1, "Link UP on Physical Port %d\n",
evt->physical_port);
break;
default:
SE_DEBUG(DBG_LVL_1, "Unexpected Async Notification %d on"
- "Physical Port %d \n",
+ "Physical Port %d\n",
evt->port_link_status,
evt->physical_port);
}
@@ -199,7 +279,7 @@ int beiscsi_process_mcc(struct beiscsi_hba *phba)
else
SE_DEBUG(DBG_LVL_1,
" Unsupported Async Event, flags"
- " = 0x%08x \n", compl->flags);
+ " = 0x%08x\n", compl->flags);
} else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
status = be_mcc_compl_process(ctrl, compl);
@@ -231,7 +311,7 @@ static int be_mcc_wait_compl(struct beiscsi_hba *phba)
}
if (i == mcc_timeout) {
dev_err(&phba->pcidev->dev, "mccq poll timed out\n");
- return -1;
+ return -EBUSY;
}
return 0;
}
@@ -257,7 +337,7 @@ static int be_mbox_db_ready_wait(struct be_ctrl_info *ctrl)
if (cnt > 6000000) {
dev_err(&ctrl->pdev->dev, "mbox_db poll timed out\n");
- return -1;
+ return -EBUSY;
}
if (cnt > 50) {
@@ -286,7 +366,7 @@ int be_mbox_notify(struct be_ctrl_info *ctrl)
status = be_mbox_db_ready_wait(ctrl);
if (status != 0) {
- SE_DEBUG(DBG_LVL_1, " be_mbox_db_ready_wait failed 1\n");
+ SE_DEBUG(DBG_LVL_1, " be_mbox_db_ready_wait failed\n");
return status;
}
val = 0;
@@ -297,19 +377,19 @@ int be_mbox_notify(struct be_ctrl_info *ctrl)
status = be_mbox_db_ready_wait(ctrl);
if (status != 0) {
- SE_DEBUG(DBG_LVL_1, " be_mbox_db_ready_wait failed 2\n");
+ SE_DEBUG(DBG_LVL_1, " be_mbox_db_ready_wait failed\n");
return status;
}
if (be_mcc_compl_is_new(compl)) {
status = be_mcc_compl_process(ctrl, &mbox->compl);
be_mcc_compl_use(compl);
if (status) {
- SE_DEBUG(DBG_LVL_1, "After be_mcc_compl_process \n");
+ SE_DEBUG(DBG_LVL_1, "After be_mcc_compl_process\n");
return status;
}
} else {
dev_err(&ctrl->pdev->dev, "invalid mailbox completion\n");
- return -1;
+ return -EBUSY;
}
return 0;
}
@@ -355,7 +435,7 @@ static int be_mbox_notify_wait(struct beiscsi_hba *phba)
return status;
} else {
dev_err(&phba->pcidev->dev, "invalid mailbox completion\n");
- return -1;
+ return -EBUSY;
}
return 0;
}
@@ -500,7 +580,7 @@ int be_cmd_fw_initialize(struct be_ctrl_info *ctrl)
status = be_mbox_notify(ctrl);
if (status)
- SE_DEBUG(DBG_LVL_1, "be_cmd_fw_initialize Failed \n");
+ SE_DEBUG(DBG_LVL_1, "be_cmd_fw_initialize Failed\n");
spin_unlock(&ctrl->mbox_lock);
return status;
@@ -517,7 +597,7 @@ int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
void *ctxt = &req->context;
int status;
- SE_DEBUG(DBG_LVL_8, "In beiscsi_cmd_cq_create \n");
+ SE_DEBUG(DBG_LVL_8, "In beiscsi_cmd_cq_create\n");
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
@@ -550,7 +630,7 @@ int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
cq->id = le16_to_cpu(resp->cq_id);
cq->created = true;
} else
- SE_DEBUG(DBG_LVL_1, "In be_cmd_cq_create, status=ox%08x \n",
+ SE_DEBUG(DBG_LVL_1, "In be_cmd_cq_create, status=ox%08x\n",
status);
spin_unlock(&ctrl->mbox_lock);
@@ -619,7 +699,7 @@ int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
u8 subsys = 0, opcode = 0;
int status;
- SE_DEBUG(DBG_LVL_8, "In beiscsi_cmd_q_destroy \n");
+ SE_DEBUG(DBG_LVL_8, "In beiscsi_cmd_q_destroy\n");
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -652,7 +732,7 @@ int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
default:
spin_unlock(&ctrl->mbox_lock);
BUG();
- return -1;
+ return -ENXIO;
}
be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req));
if (queue_type != QTYPE_SGL)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.