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path: root/drivers/scsi/be2iscsi/be_main.c
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Diffstat (limited to 'drivers/scsi/be2iscsi/be_main.c')
-rw-r--r--drivers/scsi/be2iscsi/be_main.c113
1 files changed, 68 insertions, 45 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 0a9bdfa3d939..379c696dac19 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -27,6 +27,7 @@
#include <linux/kernel.h>
#include <linux/semaphore.h>
#include <linux/iscsi_boot_sysfs.h>
+#include <linux/module.h>
#include <scsi/libiscsi.h>
#include <scsi/scsi_transport_iscsi.h>
@@ -822,33 +823,47 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba)
struct hwi_controller *phwi_ctrlr;
struct hwi_context_memory *phwi_context;
int ret, msix_vec, i, j;
- char desc[32];
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
if (phba->msix_enabled) {
for (i = 0; i < phba->num_cpus; i++) {
- sprintf(desc, "beiscsi_msix_%04x", i);
+ phba->msi_name[i] = kzalloc(BEISCSI_MSI_NAME,
+ GFP_KERNEL);
+ if (!phba->msi_name[i]) {
+ ret = -ENOMEM;
+ goto free_msix_irqs;
+ }
+
+ sprintf(phba->msi_name[i], "beiscsi_%02x_%02x",
+ phba->shost->host_no, i);
msix_vec = phba->msix_entries[i].vector;
- ret = request_irq(msix_vec, be_isr_msix, 0, desc,
+ ret = request_irq(msix_vec, be_isr_msix, 0,
+ phba->msi_name[i],
&phwi_context->be_eq[i]);
if (ret) {
shost_printk(KERN_ERR, phba->shost,
"beiscsi_init_irqs-Failed to"
"register msix for i = %d\n", i);
- if (!i)
- return ret;
+ kfree(phba->msi_name[i]);
goto free_msix_irqs;
}
}
+ phba->msi_name[i] = kzalloc(BEISCSI_MSI_NAME, GFP_KERNEL);
+ if (!phba->msi_name[i]) {
+ ret = -ENOMEM;
+ goto free_msix_irqs;
+ }
+ sprintf(phba->msi_name[i], "beiscsi_mcc_%02x",
+ phba->shost->host_no);
msix_vec = phba->msix_entries[i].vector;
- ret = request_irq(msix_vec, be_isr_mcc, 0, "beiscsi_msix_mcc",
+ ret = request_irq(msix_vec, be_isr_mcc, 0, phba->msi_name[i],
&phwi_context->be_eq[i]);
if (ret) {
shost_printk(KERN_ERR, phba->shost, "beiscsi_init_irqs-"
"Failed to register beiscsi_msix_mcc\n");
- i++;
+ kfree(phba->msi_name[i]);
goto free_msix_irqs;
}
@@ -863,8 +878,11 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba)
}
return 0;
free_msix_irqs:
- for (j = i - 1; j == 0; j++)
+ for (j = i - 1; j >= 0; j--) {
+ kfree(phba->msi_name[j]);
+ msix_vec = phba->msix_entries[j].vector;
free_irq(msix_vec, &phwi_context->be_eq[j]);
+ }
return ret;
}
@@ -1106,7 +1124,12 @@ be_complete_io(struct beiscsi_conn *beiscsi_conn,
& SOL_STS_MASK) >> 8);
flags = ((psol->dw[offsetof(struct amap_sol_cqe, i_flags) / 32]
& SOL_FLAGS_MASK) >> 24) | 0x80;
+ if (!task->sc) {
+ if (io_task->scsi_cmnd)
+ scsi_dma_unmap(io_task->scsi_cmnd);
+ return;
+ }
task->sc->result = (DID_OK << 16) | status;
if (rsp != ISCSI_STATUS_CMD_COMPLETED) {
task->sc->result = DID_ERROR << 16;
@@ -4027,11 +4050,11 @@ static int beiscsi_mtask(struct iscsi_task *task)
TGT_DM_CMD);
AMAP_SET_BITS(struct amap_iscsi_wrb, cmdsn_itt,
pwrb, 0);
- AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
+ AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 1);
} else {
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
INI_RD_CMD);
- AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 1);
+ AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
}
hwi_write_buffer(pwrb, task);
break;
@@ -4102,9 +4125,8 @@ static int beiscsi_task_xmit(struct iscsi_task *task)
return beiscsi_iotask(task, sg, num_sg, xferlen, writedir);
}
-static void beiscsi_remove(struct pci_dev *pcidev)
+static void beiscsi_quiesce(struct beiscsi_hba *phba)
{
- struct beiscsi_hba *phba = NULL;
struct hwi_controller *phwi_ctrlr;
struct hwi_context_memory *phwi_context;
struct be_eq_obj *pbe_eq;
@@ -4112,12 +4134,6 @@ static void beiscsi_remove(struct pci_dev *pcidev)
u8 *real_offset = 0;
u32 value = 0;
- phba = (struct beiscsi_hba *)pci_get_drvdata(pcidev);
- if (!phba) {
- dev_err(&pcidev->dev, "beiscsi_remove called with no phba\n");
- return;
- }
-
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
hwi_disable_intr(phba);
@@ -4125,6 +4141,7 @@ static void beiscsi_remove(struct pci_dev *pcidev)
for (i = 0; i <= phba->num_cpus; i++) {
msix_vec = phba->msix_entries[i].vector;
free_irq(msix_vec, &phwi_context->be_eq[i]);
+ kfree(phba->msi_name[i]);
}
} else
if (phba->pcidev->irq)
@@ -4152,10 +4169,40 @@ static void beiscsi_remove(struct pci_dev *pcidev)
phba->ctrl.mbox_mem_alloced.size,
phba->ctrl.mbox_mem_alloced.va,
phba->ctrl.mbox_mem_alloced.dma);
+}
+
+static void beiscsi_remove(struct pci_dev *pcidev)
+{
+
+ struct beiscsi_hba *phba = NULL;
+
+ phba = pci_get_drvdata(pcidev);
+ if (!phba) {
+ dev_err(&pcidev->dev, "beiscsi_remove called with no phba\n");
+ return;
+ }
+
+ beiscsi_quiesce(phba);
iscsi_boot_destroy_kset(phba->boot_kset);
iscsi_host_remove(phba->shost);
pci_dev_put(phba->pcidev);
iscsi_host_free(phba->shost);
+ pci_disable_device(pcidev);
+}
+
+static void beiscsi_shutdown(struct pci_dev *pcidev)
+{
+
+ struct beiscsi_hba *phba = NULL;
+
+ phba = (struct beiscsi_hba *)pci_get_drvdata(pcidev);
+ if (!phba) {
+ dev_err(&pcidev->dev, "beiscsi_shutdown called with no phba\n");
+ return;
+ }
+
+ beiscsi_quiesce(phba);
+ pci_disable_device(pcidev);
}
static void beiscsi_msix_enable(struct beiscsi_hba *phba)
@@ -4235,7 +4282,7 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
gcrashmode++;
shost_printk(KERN_ERR, phba->shost,
"Loading Driver in crashdump mode\n");
- ret = beiscsi_pci_soft_reset(phba);
+ ret = beiscsi_cmd_reset_function(phba);
if (ret) {
shost_printk(KERN_ERR, phba->shost,
"Reset Failed. Aborting Crashdump\n");
@@ -4364,37 +4411,12 @@ struct iscsi_transport beiscsi_iscsi_transport = {
.name = DRV_NAME,
.caps = CAP_RECOVERY_L0 | CAP_HDRDGST | CAP_TEXT_NEGO |
CAP_MULTI_R2T | CAP_DATADGST | CAP_DATA_PATH_OFFLOAD,
- .param_mask = ISCSI_MAX_RECV_DLENGTH |
- ISCSI_MAX_XMIT_DLENGTH |
- ISCSI_HDRDGST_EN |
- ISCSI_DATADGST_EN |
- ISCSI_INITIAL_R2T_EN |
- ISCSI_MAX_R2T |
- ISCSI_IMM_DATA_EN |
- ISCSI_FIRST_BURST |
- ISCSI_MAX_BURST |
- ISCSI_PDU_INORDER_EN |
- ISCSI_DATASEQ_INORDER_EN |
- ISCSI_ERL |
- ISCSI_CONN_PORT |
- ISCSI_CONN_ADDRESS |
- ISCSI_EXP_STATSN |
- ISCSI_PERSISTENT_PORT |
- ISCSI_PERSISTENT_ADDRESS |
- ISCSI_TARGET_NAME | ISCSI_TPGT |
- ISCSI_USERNAME | ISCSI_PASSWORD |
- ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN |
- ISCSI_FAST_ABORT | ISCSI_ABORT_TMO |
- ISCSI_LU_RESET_TMO |
- ISCSI_PING_TMO | ISCSI_RECV_TMO |
- ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME,
- .host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS |
- ISCSI_HOST_INITIATOR_NAME,
.create_session = beiscsi_session_create,
.destroy_session = beiscsi_session_destroy,
.create_conn = beiscsi_conn_create,
.bind_conn = beiscsi_conn_bind,
.destroy_conn = iscsi_conn_teardown,
+ .attr_is_visible = be2iscsi_attr_is_visible,
.set_param = beiscsi_set_param,
.get_conn_param = iscsi_conn_get_param,
.get_session_param = iscsi_session_get_param,
@@ -4418,6 +4440,7 @@ static struct pci_driver beiscsi_pci_driver = {
.name = DRV_NAME,
.probe = beiscsi_dev_probe,
.remove = beiscsi_remove,
+ .shutdown = beiscsi_shutdown,
.id_table = beiscsi_pci_id_table
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.