isert_map_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
struct isert_rdma_wr *wr);
static void
- isert_unreg_rdma_frwr(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn);
+ isert_unreg_rdma(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn);
static int
- isert_reg_rdma_frwr(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
- struct isert_rdma_wr *wr);
+ isert_reg_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
+ struct isert_rdma_wr *wr);
static void
isert_qp_event_callback(struct ib_event *e, void *context)
isert_conn->conn_rx_descs = NULL;
}
+static void isert_cq_tx_work(struct work_struct *);
static void isert_cq_tx_callback(struct ib_cq *, void *);
+static void isert_cq_rx_work(struct work_struct *);
static void isert_cq_rx_callback(struct ib_cq *, void *);
static int
/* asign function handlers */
if (dev_attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS) {
- device->use_frwr = 1;
- device->reg_rdma_mem = isert_reg_rdma_frwr;
- device->unreg_rdma_mem = isert_unreg_rdma_frwr;
+ device->use_fastreg = 1;
+ device->reg_rdma_mem = isert_reg_rdma;
+ device->unreg_rdma_mem = isert_unreg_rdma;
} else {
- device->use_frwr = 0;
+ device->use_fastreg = 0;
device->reg_rdma_mem = isert_map_rdma;
device->unreg_rdma_mem = isert_unmap_cmd;
}
device->cqs_used = min_t(int, num_online_cpus(),
device->ib_device->num_comp_vectors);
device->cqs_used = min(ISERT_MAX_CQ, device->cqs_used);
- pr_debug("Using %d CQs, device %s supports %d vectors support FRWR %d\n",
+ pr_debug("Using %d CQs, device %s supports %d vectors support "
+ "Fast registration %d\n",
device->cqs_used, device->ib_device->name,
- device->ib_device->num_comp_vectors, device->use_frwr);
+ device->ib_device->num_comp_vectors, device->use_fastreg);
device->cq_desc = kzalloc(sizeof(struct isert_cq_desc) *
device->cqs_used, GFP_KERNEL);
if (!device->cq_desc) {
}
cq_desc = device->cq_desc;
- device->dev_pd = ib_alloc_pd(ib_dev);
- if (IS_ERR(device->dev_pd)) {
- ret = PTR_ERR(device->dev_pd);
- pr_err("ib_alloc_pd failed for dev_pd: %d\n", ret);
- goto out_cq_desc;
- }
-
for (i = 0; i < device->cqs_used; i++) {
cq_desc[i].device = device;
cq_desc[i].cq_index = i;
+ INIT_WORK(&cq_desc[i].cq_rx_work, isert_cq_rx_work);
device->dev_rx_cq[i] = ib_create_cq(device->ib_device,
isert_cq_rx_callback,
isert_cq_event_callback,
(void *)&cq_desc[i],
ISER_MAX_RX_CQ_LEN, i);
- if (IS_ERR(device->dev_rx_cq[i]))
+ if (IS_ERR(device->dev_rx_cq[i])) {
+ ret = PTR_ERR(device->dev_rx_cq[i]);
+ device->dev_rx_cq[i] = NULL;
goto out_cq;
+ }
+ INIT_WORK(&cq_desc[i].cq_tx_work, isert_cq_tx_work);
device->dev_tx_cq[i] = ib_create_cq(device->ib_device,
isert_cq_tx_callback,
isert_cq_event_callback,
(void *)&cq_desc[i],
ISER_MAX_TX_CQ_LEN, i);
- if (IS_ERR(device->dev_tx_cq[i]))
+ if (IS_ERR(device->dev_tx_cq[i])) {
+ ret = PTR_ERR(device->dev_tx_cq[i]);
+ device->dev_tx_cq[i] = NULL;
goto out_cq;
+ }
- if (ib_req_notify_cq(device->dev_rx_cq[i], IB_CQ_NEXT_COMP))
+ ret = ib_req_notify_cq(device->dev_rx_cq[i], IB_CQ_NEXT_COMP);
+ if (ret)
goto out_cq;
- if (ib_req_notify_cq(device->dev_tx_cq[i], IB_CQ_NEXT_COMP))
+ ret = ib_req_notify_cq(device->dev_tx_cq[i], IB_CQ_NEXT_COMP);
+ if (ret)
goto out_cq;
}
- device->dev_mr = ib_get_dma_mr(device->dev_pd, IB_ACCESS_LOCAL_WRITE);
- if (IS_ERR(device->dev_mr)) {
- ret = PTR_ERR(device->dev_mr);
- pr_err("ib_get_dma_mr failed for dev_mr: %d\n", ret);
- goto out_cq;
- }
-
return 0;
out_cq:
ib_destroy_cq(device->dev_tx_cq[j]);
}
}
- ib_dealloc_pd(device->dev_pd);
-
- out_cq_desc:
kfree(device->cq_desc);
return ret;
device->dev_tx_cq[i] = NULL;
}
- ib_dereg_mr(device->dev_mr);
- ib_dealloc_pd(device->dev_pd);
kfree(device->cq_desc);
}
}
static void
- isert_conn_free_frwr_pool(struct isert_conn *isert_conn)
+ isert_conn_free_fastreg_pool(struct isert_conn *isert_conn)
{
struct fast_reg_descriptor *fr_desc, *tmp;
int i = 0;
- if (list_empty(&isert_conn->conn_frwr_pool))
+ if (list_empty(&isert_conn->conn_fr_pool))
return;
- pr_debug("Freeing conn %p frwr pool", isert_conn);
+ pr_debug("Freeing conn %p fastreg pool", isert_conn);
list_for_each_entry_safe(fr_desc, tmp,
- &isert_conn->conn_frwr_pool, list) {
+ &isert_conn->conn_fr_pool, list) {
list_del(&fr_desc->list);
ib_free_fast_reg_page_list(fr_desc->data_frpl);
ib_dereg_mr(fr_desc->data_mr);
++i;
}
- if (i < isert_conn->conn_frwr_pool_size)
+ if (i < isert_conn->conn_fr_pool_size)
pr_warn("Pool still has %d regions registered\n",
- isert_conn->conn_frwr_pool_size - i);
+ isert_conn->conn_fr_pool_size - i);
+ }
+
+ static int
+ isert_create_fr_desc(struct ib_device *ib_device, struct ib_pd *pd,
+ struct fast_reg_descriptor *fr_desc)
+ {
+ fr_desc->data_frpl = ib_alloc_fast_reg_page_list(ib_device,
+ ISCSI_ISER_SG_TABLESIZE);
+ if (IS_ERR(fr_desc->data_frpl)) {
+ pr_err("Failed to allocate data frpl err=%ld\n",
+ PTR_ERR(fr_desc->data_frpl));
+ return PTR_ERR(fr_desc->data_frpl);
+ }
+
+ fr_desc->data_mr = ib_alloc_fast_reg_mr(pd, ISCSI_ISER_SG_TABLESIZE);
+ if (IS_ERR(fr_desc->data_mr)) {
+ pr_err("Failed to allocate data frmr err=%ld\n",
+ PTR_ERR(fr_desc->data_mr));
+ ib_free_fast_reg_page_list(fr_desc->data_frpl);
+ return PTR_ERR(fr_desc->data_mr);
+ }
+ pr_debug("Create fr_desc %p page_list %p\n",
+ fr_desc, fr_desc->data_frpl->page_list);
+
+ fr_desc->valid = true;
+
+ return 0;
}
static int
- isert_conn_create_frwr_pool(struct isert_conn *isert_conn)
+ isert_conn_create_fastreg_pool(struct isert_conn *isert_conn)
{
struct fast_reg_descriptor *fr_desc;
struct isert_device *device = isert_conn->conn_device;
int i, ret;
- INIT_LIST_HEAD(&isert_conn->conn_frwr_pool);
- isert_conn->conn_frwr_pool_size = 0;
+ INIT_LIST_HEAD(&isert_conn->conn_fr_pool);
+ isert_conn->conn_fr_pool_size = 0;
for (i = 0; i < ISCSI_DEF_XMIT_CMDS_MAX; i++) {
fr_desc = kzalloc(sizeof(*fr_desc), GFP_KERNEL);
if (!fr_desc) {
goto err;
}
- fr_desc->data_frpl =
- ib_alloc_fast_reg_page_list(device->ib_device,
- ISCSI_ISER_SG_TABLESIZE);
- if (IS_ERR(fr_desc->data_frpl)) {
- pr_err("Failed to allocate fr_pg_list err=%ld\n",
- PTR_ERR(fr_desc->data_frpl));
- ret = PTR_ERR(fr_desc->data_frpl);
- goto err;
- }
-
- fr_desc->data_mr = ib_alloc_fast_reg_mr(device->dev_pd,
- ISCSI_ISER_SG_TABLESIZE);
- if (IS_ERR(fr_desc->data_mr)) {
- pr_err("Failed to allocate frmr err=%ld\n",
- PTR_ERR(fr_desc->data_mr));
- ret = PTR_ERR(fr_desc->data_mr);
- ib_free_fast_reg_page_list(fr_desc->data_frpl);
+ ret = isert_create_fr_desc(device->ib_device,
+ isert_conn->conn_pd, fr_desc);
+ if (ret) {
+ pr_err("Failed to create fastreg descriptor err=%d\n",
+ ret);
goto err;
}
- pr_debug("Create fr_desc %p page_list %p\n",
- fr_desc, fr_desc->data_frpl->page_list);
- fr_desc->valid = true;
- list_add_tail(&fr_desc->list, &isert_conn->conn_frwr_pool);
- isert_conn->conn_frwr_pool_size++;
+ list_add_tail(&fr_desc->list, &isert_conn->conn_fr_pool);
+ isert_conn->conn_fr_pool_size++;
}
- pr_debug("Creating conn %p frwr pool size=%d",
- isert_conn, isert_conn->conn_frwr_pool_size);
+ pr_debug("Creating conn %p fastreg pool size=%d",
+ isert_conn, isert_conn->conn_fr_pool_size);
return 0;
err:
- isert_conn_free_frwr_pool(isert_conn);
+ isert_conn_free_fastreg_pool(isert_conn);
return ret;
}
}
isert_conn->conn_device = device;
- isert_conn->conn_pd = device->dev_pd;
- isert_conn->conn_mr = device->dev_mr;
+ isert_conn->conn_pd = ib_alloc_pd(isert_conn->conn_device->ib_device);
+ if (IS_ERR(isert_conn->conn_pd)) {
+ ret = PTR_ERR(isert_conn->conn_pd);
+ pr_err("ib_alloc_pd failed for conn %p: ret=%d\n",
+ isert_conn, ret);
+ goto out_pd;
+ }
- if (device->use_frwr) {
- ret = isert_conn_create_frwr_pool(isert_conn);
+ isert_conn->conn_mr = ib_get_dma_mr(isert_conn->conn_pd,
+ IB_ACCESS_LOCAL_WRITE);
+ if (IS_ERR(isert_conn->conn_mr)) {
+ ret = PTR_ERR(isert_conn->conn_mr);
+ pr_err("ib_get_dma_mr failed for conn %p: ret=%d\n",
+ isert_conn, ret);
+ goto out_mr;
+ }
+
+ if (device->use_fastreg) {
+ ret = isert_conn_create_fastreg_pool(isert_conn);
if (ret) {
- pr_err("Conn: %p failed to create frwr_pool\n", isert_conn);
- goto out_frwr;
+ pr_err("Conn: %p failed to create fastreg pool\n",
+ isert_conn);
+ goto out_fastreg;
}
}
return 0;
out_conn_dev:
- if (device->use_frwr)
- isert_conn_free_frwr_pool(isert_conn);
- out_frwr:
+ if (device->use_fastreg)
+ isert_conn_free_fastreg_pool(isert_conn);
+ out_fastreg:
+ ib_dereg_mr(isert_conn->conn_mr);
+ out_mr:
+ ib_dealloc_pd(isert_conn->conn_pd);
+ out_pd:
isert_device_try_release(device);
out_rsp_dma_map:
ib_dma_unmap_single(ib_dev, isert_conn->login_rsp_dma,
pr_debug("Entering isert_connect_release(): >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
- if (device && device->use_frwr)
- isert_conn_free_frwr_pool(isert_conn);
+ if (device && device->use_fastreg)
+ isert_conn_free_fastreg_pool(isert_conn);
if (isert_conn->conn_qp) {
cq_index = ((struct isert_cq_desc *)
isert_free_rx_descriptors(isert_conn);
rdma_destroy_id(isert_conn->conn_cm_id);
+ ib_dereg_mr(isert_conn->conn_mr);
+ ib_dealloc_pd(isert_conn->conn_pd);
+
if (isert_conn->login_buf) {
ib_dma_unmap_single(ib_dev, isert_conn->login_rsp_dma,
ISER_RX_LOGIN_SIZE, DMA_TO_DEVICE);
}
static struct iscsi_cmd
- *isert_allocate_cmd(struct iscsi_conn *conn, gfp_t gfp)
+ *isert_allocate_cmd(struct iscsi_conn *conn)
{
struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
struct isert_cmd *isert_cmd;
struct iscsi_cmd *cmd;
- cmd = iscsit_allocate_cmd(conn, gfp);
+ cmd = iscsit_allocate_cmd(conn, TASK_INTERRUPTIBLE);
if (!cmd) {
pr_err("Unable to allocate iscsi_cmd + isert_cmd\n");
return NULL;
switch (opcode) {
case ISCSI_OP_SCSI_CMD:
- cmd = isert_allocate_cmd(conn, GFP_KERNEL);
+ cmd = isert_allocate_cmd(conn);
if (!cmd)
break;
rx_desc, (unsigned char *)hdr);
break;
case ISCSI_OP_NOOP_OUT:
- cmd = isert_allocate_cmd(conn, GFP_KERNEL);
+ cmd = isert_allocate_cmd(conn);
if (!cmd)
break;
(unsigned char *)hdr);
break;
case ISCSI_OP_SCSI_TMFUNC:
- cmd = isert_allocate_cmd(conn, GFP_KERNEL);
+ cmd = isert_allocate_cmd(conn);
if (!cmd)
break;
(unsigned char *)hdr);
break;
case ISCSI_OP_LOGOUT:
- cmd = isert_allocate_cmd(conn, GFP_KERNEL);
+ cmd = isert_allocate_cmd(conn);
if (!cmd)
break;
HZ);
break;
case ISCSI_OP_TEXT:
- cmd = isert_allocate_cmd(conn, GFP_KERNEL);
+ cmd = isert_allocate_cmd(conn);
if (!cmd)
break;
}
static void
- isert_unreg_rdma_frwr(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn)
+ isert_unreg_rdma(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn)
{
struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
LIST_HEAD(unmap_list);
- pr_debug("unreg_frwr_cmd: %p\n", isert_cmd);
+ pr_debug("unreg_fastreg_cmd: %p\n", isert_cmd);
if (wr->fr_desc) {
- pr_debug("unreg_frwr_cmd: %p free fr_desc %p\n",
+ pr_debug("unreg_fastreg_cmd: %p free fr_desc %p\n",
isert_cmd, wr->fr_desc);
spin_lock_bh(&isert_conn->conn_lock);
- list_add_tail(&wr->fr_desc->list, &isert_conn->conn_frwr_pool);
+ list_add_tail(&wr->fr_desc->list, &isert_conn->conn_fr_pool);
spin_unlock_bh(&isert_conn->conn_lock);
wr->fr_desc = NULL;
}
if (wr->sge) {
- pr_debug("unreg_frwr_cmd: %p unmap_sg op\n", isert_cmd);
+ pr_debug("unreg_fastreg_cmd: %p unmap_sg op\n", isert_cmd);
ib_dma_unmap_sg(ib_dev, wr->sge, wr->num_sge,
(wr->iser_ib_op == ISER_IB_RDMA_WRITE) ?
DMA_TO_DEVICE : DMA_FROM_DEVICE);
{
struct isert_cq_desc *cq_desc = (struct isert_cq_desc *)context;
- INIT_WORK(&cq_desc->cq_tx_work, isert_cq_tx_work);
queue_work(isert_comp_wq, &cq_desc->cq_tx_work);
}
{
struct isert_cq_desc *cq_desc = (struct isert_cq_desc *)context;
- INIT_WORK(&cq_desc->cq_rx_work, isert_cq_rx_work);
queue_work(isert_rx_wq, &cq_desc->cq_rx_work);
}
static int
isert_fast_reg_mr(struct fast_reg_descriptor *fr_desc,
- struct isert_cmd *isert_cmd, struct isert_conn *isert_conn,
- struct ib_sge *ib_sge, u32 offset, unsigned int data_len)
+ struct isert_conn *isert_conn, struct scatterlist *sg_start,
+ struct ib_sge *ib_sge, u32 sg_nents, u32 offset,
+ unsigned int data_len)
{
- struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
- struct scatterlist *sg_start;
- u32 sg_off, page_off;
struct ib_send_wr fr_wr, inv_wr;
struct ib_send_wr *bad_wr, *wr = NULL;
+ int ret, pagelist_len;
+ u32 page_off;
u8 key;
- int ret, sg_nents, pagelist_len;
- sg_off = offset / PAGE_SIZE;
- sg_start = &cmd->se_cmd.t_data_sg[sg_off];
- sg_nents = min_t(unsigned int, cmd->se_cmd.t_data_nents - sg_off,
- ISCSI_ISER_SG_TABLESIZE);
+ sg_nents = min_t(unsigned int, sg_nents, ISCSI_ISER_SG_TABLESIZE);
page_off = offset % PAGE_SIZE;
- pr_debug("Cmd: %p use fr_desc %p sg_nents %d sg_off %d offset %u\n",
- isert_cmd, fr_desc, sg_nents, sg_off, offset);
+ pr_debug("Use fr_desc %p sg_nents %d offset %u\n",
+ fr_desc, sg_nents, offset);
pagelist_len = isert_map_fr_pagelist(ib_dev, sg_start, sg_nents,
&fr_desc->data_frpl->page_list[0]);
}
static int
- isert_reg_rdma_frwr(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
- struct isert_rdma_wr *wr)
+ isert_reg_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
+ struct isert_rdma_wr *wr)
{
struct se_cmd *se_cmd = &cmd->se_cmd;
struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
if (wr->iser_ib_op == ISER_IB_RDMA_WRITE) {
data_left = se_cmd->data_length;
} else {
- sg_off = cmd->write_data_done / PAGE_SIZE;
- data_left = se_cmd->data_length - cmd->write_data_done;
offset = cmd->write_data_done;
+ sg_off = offset / PAGE_SIZE;
+ data_left = se_cmd->data_length - cmd->write_data_done;
isert_cmd->tx_desc.isert_cmd = isert_cmd;
}
wr->fr_desc = NULL;
} else {
spin_lock_irqsave(&isert_conn->conn_lock, flags);
- fr_desc = list_first_entry(&isert_conn->conn_frwr_pool,
+ fr_desc = list_first_entry(&isert_conn->conn_fr_pool,
struct fast_reg_descriptor, list);
list_del(&fr_desc->list);
spin_unlock_irqrestore(&isert_conn->conn_lock, flags);
wr->fr_desc = fr_desc;
- ret = isert_fast_reg_mr(fr_desc, isert_cmd, isert_conn,
- ib_sge, offset, data_len);
+ ret = isert_fast_reg_mr(fr_desc, isert_conn, sg_start,
+ ib_sge, sg_nents, offset, data_len);
if (ret) {
- list_add_tail(&fr_desc->list, &isert_conn->conn_frwr_pool);
+ list_add_tail(&fr_desc->list, &isert_conn->conn_fr_pool);
goto unmap_sg;
}
}
}
void
-qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
+qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
{
struct Scsi_Host *host = vha->host;
struct sysfs_entry *iter;
iter->attr);
}
- if (ha->beacon_blink_led == 1)
+ if (stop_beacon && ha->beacon_blink_led == 1)
ha->isp_ops->beacon_off(vha);
}
qla2x00_drvr_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
+ return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
}
static ssize_t
struct qla_hw_data *ha = vha->hw;
char fw_str[128];
- return snprintf(buf, PAGE_SIZE, "%s\n",
+ return scnprintf(buf, PAGE_SIZE, "%s\n",
ha->isp_ops->fw_version_str(vha, fw_str));
}
uint32_t sn;
if (IS_QLAFX00(vha->hw)) {
- return snprintf(buf, PAGE_SIZE, "%s\n",
+ return scnprintf(buf, PAGE_SIZE, "%s\n",
vha->hw->mr.serial_num);
} else if (IS_FWI2_CAPABLE(ha)) {
- qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
- return snprintf(buf, PAGE_SIZE, "%s\n", buf);
+ qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
+ return strlen(strcat(buf, "\n"));
}
sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
- return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
+ return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
sn % 100000);
}
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
- return snprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
+ return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
}
static ssize_t
struct qla_hw_data *ha = vha->hw;
if (IS_QLAFX00(vha->hw))
- return snprintf(buf, PAGE_SIZE, "%s\n",
+ return scnprintf(buf, PAGE_SIZE, "%s\n",
vha->hw->mr.hw_version);
- return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
+ return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
ha->product_id[0], ha->product_id[1], ha->product_id[2],
ha->product_id[3]);
}
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
- if (IS_QLAFX00(vha->hw))
- return snprintf(buf, PAGE_SIZE, "%s\n",
- vha->hw->mr.product_name);
-
- return snprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
+ return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
}
static ssize_t
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
- return snprintf(buf, PAGE_SIZE, "%s\n",
+ return scnprintf(buf, PAGE_SIZE, "%s\n",
vha->hw->model_desc ? vha->hw->model_desc : "");
}
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
char pci_info[30];
- return snprintf(buf, PAGE_SIZE, "%s\n",
+ return scnprintf(buf, PAGE_SIZE, "%s\n",
vha->hw->isp_ops->pci_info_str(vha, pci_info));
}
if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
atomic_read(&vha->loop_state) == LOOP_DEAD ||
vha->device_flags & DFLG_NO_CABLE)
- len = snprintf(buf, PAGE_SIZE, "Link Down\n");
+ len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
else if (atomic_read(&vha->loop_state) != LOOP_READY ||
qla2x00_reset_active(vha))
- len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
+ len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
else {
- len = snprintf(buf, PAGE_SIZE, "Link Up - ");
+ len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
switch (ha->current_topology) {
case ISP_CFG_NL:
- len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
+ len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
break;
case ISP_CFG_FL:
- len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
+ len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
break;
case ISP_CFG_N:
- len += snprintf(buf + len, PAGE_SIZE-len,
+ len += scnprintf(buf + len, PAGE_SIZE-len,
"N_Port to N_Port\n");
break;
case ISP_CFG_F:
- len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
+ len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
break;
default:
- len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
+ len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
break;
}
}
switch (vha->hw->zio_mode) {
case QLA_ZIO_MODE_6:
- len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
+ len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
break;
case QLA_ZIO_DISABLED:
- len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
+ len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
break;
}
return len;
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
- return snprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
+ return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
}
static ssize_t
int len = 0;
if (vha->hw->beacon_blink_led)
- len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
+ len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
else
- len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
+ len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
return len;
}
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
- return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
+ return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
ha->bios_revision[0]);
}
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
- return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
+ return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
ha->efi_revision[0]);
}
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
- return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
+ return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
ha->fcode_revision[0]);
}
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
- return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
+ return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
ha->fw_revision[3]);
}
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
- return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
+ return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
ha->gold_fw_version[0], ha->gold_fw_version[1],
ha->gold_fw_version[2], ha->gold_fw_version[3]);
}
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
- return snprintf(buf, PAGE_SIZE, "%d\n",
+ return scnprintf(buf, PAGE_SIZE, "%d\n",
vha->qla_stats.total_isp_aborts);
}
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA84XX(ha))
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
if (ha->cs84xx->op_fw_version == 0)
rval = qla84xx_verify_chip(vha, status);
if ((rval == QLA_SUCCESS) && (status[0] == 0))
- return snprintf(buf, PAGE_SIZE, "%u\n",
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
(uint32_t)ha->cs84xx->op_fw_version);
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
}
static ssize_t
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
- return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
+ return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
ha->mpi_capabilities);
}
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
- return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
+ return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
}
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
- return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
+ return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
}
static ssize_t
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
if (!IS_CNA_CAPABLE(vha->hw))
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
- return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
}
static ssize_t
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
if (!IS_CNA_CAPABLE(vha->hw))
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
- return snprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
+ return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
}
static ssize_t
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
- return snprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
}
static ssize_t
}
if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
- return snprintf(buf, PAGE_SIZE, "%d\n", temp);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
done:
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
}
static ssize_t
if (IS_QLAFX00(vha->hw)) {
pstate = qlafx00_fw_state_show(dev, attr, buf);
- return snprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
+ return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
}
if (qla2x00_reset_active(vha))
if (rval != QLA_SUCCESS)
memset(state, -1, sizeof(state));
- return snprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
+ return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
state[1], state[2], state[3], state[4]);
}
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
if (!IS_BIDI_CAPABLE(vha->hw))
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
- return snprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
+ return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
}
static ssize_t
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
if (!IS_BIDI_CAPABLE(vha->hw))
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
- return snprintf(buf, PAGE_SIZE, "%llu\n",
+ return scnprintf(buf, PAGE_SIZE, "%llu\n",
vha->bidi_stats.transfer_bytes >> 20);
}
else
size = ha->fw_dump_len;
- return snprintf(buf, PAGE_SIZE, "%d\n", size);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", size);
}
static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
vha->flags.delete_progress = 1;
+ qlt_remove_target(ha, vha);
+
fc_remove_host(vha->host);
scsi_remove_host(vha->host);
*/
#define MBC_LOAD_RAM 1 /* Load RAM. */
#define MBC_EXECUTE_FIRMWARE 2 /* Execute firmware. */
-#define MBC_WRITE_RAM_WORD 4 /* Write RAM word. */
#define MBC_READ_RAM_WORD 5 /* Read RAM word. */
#define MBC_MAILBOX_REGISTER_TEST 6 /* Wrap incoming mailboxes */
#define MBC_VERIFY_CHECKSUM 7 /* Verify checksum. */
/*
* ISP24xx mailbox commands
*/
+#define MBC_WRITE_SERDES 0x3 /* Write serdes word. */
+#define MBC_READ_SERDES 0x4 /* Read serdes word. */
#define MBC_SERDES_PARAMS 0x10 /* Serdes Tx Parameters. */
#define MBC_GET_IOCB_STATUS 0x12 /* Get IOCB status command. */
#define MBC_PORT_PARAMS 0x1A /* Port iDMA Parameters. */
srb_t **outstanding_cmds;
uint32_t current_outstanding_cmd;
uint16_t num_outstanding_cmds;
-#define MAX_Q_DEPTH 32
int max_q_depth;
dma_addr_t dma_fx00;
uint32_t len;
};
+ struct scsi_qlt_host {
+ void *target_lport_ptr;
+ struct mutex tgt_mutex;
+ struct mutex tgt_host_action_mutex;
+ struct qla_tgt *qla_tgt;
+ };
+
struct qlt_hw_data {
/* Protected by hw lock */
uint32_t enable_class_2:1;
uint32_t __iomem *atio_q_in;
uint32_t __iomem *atio_q_out;
- void *target_lport_ptr;
struct qla_tgt_func_tmpl *tgt_ops;
- struct qla_tgt *qla_tgt;
struct qla_tgt_cmd *cmds[DEFAULT_OUTSTANDING_COMMANDS];
uint16_t current_handle;
struct qla_tgt_vp_map *tgt_vp_map;
- struct mutex tgt_mutex;
- struct mutex tgt_host_action_mutex;
int saved_set;
uint16_t saved_exchange_count;
struct work_struct nic_core_reset;
struct work_struct idc_state_handler;
struct work_struct nic_core_unrecoverable;
-
-#define HOST_QUEUE_RAMPDOWN_INTERVAL (60 * HZ)
-#define HOST_QUEUE_RAMPUP_INTERVAL (30 * HZ)
- unsigned long host_last_rampdown_time;
- unsigned long host_last_rampup_time;
- int cfg_lun_q_depth;
+ struct work_struct board_disable;
struct mr_data_fx00 mr;
#define MPI_RESET_NEEDED 19 /* Initiate MPI FW reset */
#define ISP_QUIESCE_NEEDED 20 /* Driver need some quiescence */
#define SCR_PENDING 21 /* SCR in target mode */
-#define HOST_RAMP_DOWN_QUEUE_DEPTH 22
-#define HOST_RAMP_UP_QUEUE_DEPTH 23
-#define PORT_UPDATE_NEEDED 24
-#define FX00_RESET_RECOVERY 25
-#define FX00_TARGET_SCAN 26
-#define FX00_CRITEMP_RECOVERY 27
+#define PORT_UPDATE_NEEDED 22
+#define FX00_RESET_RECOVERY 23
+#define FX00_TARGET_SCAN 24
+#define FX00_CRITEMP_RECOVERY 25
+#define FX00_HOST_INFO_RESEND 26
uint32_t device_flags;
#define SWITCH_FOUND BIT_0
#define VP_ERR_FAB_LOGOUT 4
#define VP_ERR_ADAP_NORESOURCES 5
struct qla_hw_data *hw;
+ struct scsi_qlt_host vha_tgt;
struct req_que *req;
int fw_heartbeat_counter;
int seconds_since_last_heartbeat;
schedule_delayed_work(&tgt->sess_del_work, 0);
else
schedule_delayed_work(&tgt->sess_del_work,
- jiffies - sess->expires);
+ sess->expires - jiffies);
}
/* ha->hardware_lock supposed to be held on entry */
struct scsi_qla_host *vha = tgt->vha;
struct qla_hw_data *ha = vha->hw;
struct qla_tgt_sess *sess;
- unsigned long flags;
+ unsigned long flags, elapsed;
spin_lock_irqsave(&ha->hardware_lock, flags);
while (!list_empty(&tgt->del_sess_list)) {
sess = list_entry(tgt->del_sess_list.next, typeof(*sess),
del_list_entry);
- if (time_after_eq(jiffies, sess->expires)) {
+ elapsed = jiffies;
+ if (time_after_eq(elapsed, sess->expires)) {
qlt_undelete_sess(sess);
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf004,
ha->tgt.tgt_ops->put_sess(sess);
} else {
schedule_delayed_work(&tgt->sess_del_work,
- jiffies - sess->expires);
+ sess->expires - elapsed);
break;
}
}
/* Check to avoid double sessions */
spin_lock_irqsave(&ha->hardware_lock, flags);
- list_for_each_entry(sess, &ha->tgt.qla_tgt->sess_list,
+ list_for_each_entry(sess, &vha->vha_tgt.qla_tgt->sess_list,
sess_list_entry) {
if (!memcmp(sess->port_name, fcport->port_name, WWN_SIZE)) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf005,
return NULL;
}
- sess->tgt = ha->tgt.qla_tgt;
+ sess->tgt = vha->vha_tgt.qla_tgt;
sess->vha = vha;
sess->s_id = fcport->d_id;
sess->loop_id = fcport->loop_id;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf006,
"Adding sess %p to tgt %p via ->check_initiator_node_acl()\n",
- sess, ha->tgt.qla_tgt);
+ sess, vha->vha_tgt.qla_tgt);
be_sid[0] = sess->s_id.b.domain;
be_sid[1] = sess->s_id.b.area;
memcpy(sess->port_name, fcport->port_name, sizeof(sess->port_name));
spin_lock_irqsave(&ha->hardware_lock, flags);
- list_add_tail(&sess->sess_list_entry, &ha->tgt.qla_tgt->sess_list);
- ha->tgt.qla_tgt->sess_count++;
+ list_add_tail(&sess->sess_list_entry, &vha->vha_tgt.qla_tgt->sess_list);
+ vha->vha_tgt.qla_tgt->sess_count++;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04b,
void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_sess *sess;
unsigned long flags;
if (!tgt || (fcport->port_type != FCT_INITIATOR))
return;
+ if (qla_ini_mode_enabled(vha))
+ return;
+
spin_lock_irqsave(&ha->hardware_lock, flags);
if (tgt->tgt_stop) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (!sess) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
- mutex_lock(&ha->tgt.tgt_mutex);
+ mutex_lock(&vha->vha_tgt.tgt_mutex);
sess = qlt_create_sess(vha, fcport, false);
- mutex_unlock(&ha->tgt.tgt_mutex);
+ mutex_unlock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
} else {
void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_sess *sess;
unsigned long flags;
* Mutex needed to sync with qla_tgt_fc_port_[added,deleted].
* Lock is needed, because we still can get an incoming packet.
*/
- mutex_lock(&ha->tgt.tgt_mutex);
+ mutex_lock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
tgt->tgt_stop = 1;
qlt_clear_tgt_db(tgt, true);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
- mutex_unlock(&ha->tgt.tgt_mutex);
+ mutex_unlock(&vha->vha_tgt.tgt_mutex);
flush_delayed_work(&tgt->sess_del_work);
void qlt_stop_phase2(struct qla_tgt *tgt)
{
struct qla_hw_data *ha = tgt->ha;
+ scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
unsigned long flags;
if (tgt->tgt_stopped) {
- ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf04f,
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04f,
"Already in tgt->tgt_stopped state\n");
dump_stack();
return;
}
- ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00b,
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00b,
"Waiting for %d IRQ commands to complete (tgt %p)",
tgt->irq_cmd_count, tgt);
- mutex_lock(&ha->tgt.tgt_mutex);
+ mutex_lock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
while (tgt->irq_cmd_count != 0) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
tgt->tgt_stop = 0;
tgt->tgt_stopped = 1;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
- mutex_unlock(&ha->tgt.tgt_mutex);
+ mutex_unlock(&vha->vha_tgt.tgt_mutex);
- ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00c, "Stop of tgt %p finished",
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00c, "Stop of tgt %p finished",
tgt);
}
EXPORT_SYMBOL(qlt_stop_phase2);
/* Called from qlt_remove_target() -> qla2x00_remove_one() */
static void qlt_release(struct qla_tgt *tgt)
{
- struct qla_hw_data *ha = tgt->ha;
+ scsi_qla_host_t *vha = tgt->vha;
- if ((ha->tgt.qla_tgt != NULL) && !tgt->tgt_stopped)
+ if ((vha->vha_tgt.qla_tgt != NULL) && !tgt->tgt_stopped)
qlt_stop_phase2(tgt);
- ha->tgt.qla_tgt = NULL;
+ vha->vha_tgt.qla_tgt = NULL;
- ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00d,
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00d,
"Release of tgt %p finished\n", tgt);
kfree(tgt);
return;
}
- if (ha->tgt.qla_tgt != NULL)
- ha->tgt.qla_tgt->notify_ack_expected++;
+ if (vha->vha_tgt.qla_tgt != NULL)
+ vha->vha_tgt.qla_tgt->notify_ack_expected++;
pkt->entry_type = NOTIFY_ACK_TYPE;
pkt->entry_count = 1;
/* Other bytes are zero */
}
- ha->tgt.qla_tgt->abts_resp_expected++;
+ vha->vha_tgt.qla_tgt->abts_resp_expected++;
qla2x00_start_iocbs(vha, vha->req);
}
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf012,
"qla_target(%d): task abort for non-existant session\n",
vha->vp_idx);
- rc = qlt_sched_sess_work(ha->tgt.qla_tgt,
+ rc = qlt_sched_sess_work(vha->vha_tgt.qla_tgt,
QLA_TGT_SESS_WORK_ABORT, abts, sizeof(*abts));
if (rc != 0) {
qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED,
struct qla_tgt_cmd *cmd, void *ctio)
{
struct qla_tgt_srr_ctio *sc;
- struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_srr_imm *imm;
tgt->ctio_srr_id++;
struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work);
scsi_qla_host_t *vha = cmd->vha;
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_sess *sess = NULL;
struct atio_from_isp *atio = &cmd->atio;
unsigned char *cdb;
goto out_term;
}
- mutex_lock(&ha->tgt.tgt_mutex);
+ mutex_lock(&vha->vha_tgt.tgt_mutex);
sess = qlt_make_local_sess(vha, s_id);
/* sess has an extra creation ref. */
- mutex_unlock(&ha->tgt.tgt_mutex);
+ mutex_unlock(&vha->vha_tgt.tgt_mutex);
if (!sess)
goto out_term;
static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
struct atio_from_isp *atio)
{
- struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_cmd *cmd;
if (unlikely(tgt->tgt_stop)) {
memcpy(&cmd->atio, atio, sizeof(*atio));
cmd->state = QLA_TGT_STATE_NEW;
- cmd->tgt = ha->tgt.qla_tgt;
+ cmd->tgt = vha->vha_tgt.qla_tgt;
cmd->vha = vha;
INIT_WORK(&cmd->work, qlt_do_work);
uint32_t lun, unpacked_lun;
int lun_size, fn;
- tgt = ha->tgt.qla_tgt;
+ tgt = vha->vha_tgt.qla_tgt;
lun = a->u.isp24.fcp_cmnd.lun;
lun_size = sizeof(a->u.isp24.fcp_cmnd.lun);
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf025,
"qla_target(%d): task abort for unexisting "
"session\n", vha->vp_idx);
- return qlt_sched_sess_work(ha->tgt.qla_tgt,
+ return qlt_sched_sess_work(vha->vha_tgt.qla_tgt,
QLA_TGT_SESS_WORK_ABORT, iocb, sizeof(*iocb));
}
static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
struct imm_ntfy_from_isp *iocb)
{
- struct qla_hw_data *ha = vha->hw;
int res = 0;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf026,
case ELS_PDISC:
case ELS_ADISC:
{
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
if (tgt->link_reinit_iocb_pending) {
qlt_send_notify_ack(vha, &tgt->link_reinit_iocb,
0, 0, 0, 0, 0, 0);
struct imm_ntfy_from_isp *iocb)
{
struct qla_tgt_srr_imm *imm;
- struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_srr_ctio *sctio;
tgt->imm_srr_id++;
case IMM_NTFY_LIP_LINK_REINIT:
{
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf033,
"qla_target(%d): LINK REINIT (loop %#x, "
"subcode %x)\n", vha->vp_idx,
struct atio_from_isp *atio)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
int rc;
if (unlikely(tgt == NULL)) {
static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
if (unlikely(tgt == NULL)) {
ql_dbg(ql_dbg_tgt, vha, 0xe05d,
uint16_t *mailbox)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
int login_code;
ql_dbg(ql_dbg_tgt, vha, 0xe039,
static struct qla_tgt_sess *qlt_make_local_sess(struct scsi_qla_host *vha,
uint8_t *s_id)
{
- struct qla_hw_data *ha = vha->hw;
struct qla_tgt_sess *sess = NULL;
fc_port_t *fcport = NULL;
int rc, global_resets;
uint16_t loop_id = 0;
retry:
- global_resets = atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count);
+ global_resets =
+ atomic_read(&vha->vha_tgt.qla_tgt->tgt_global_resets_count);
rc = qla24xx_get_loop_id(vha, s_id, &loop_id);
if (rc != 0) {
return NULL;
if (global_resets !=
- atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count)) {
+ atomic_read(&vha->vha_tgt.qla_tgt->tgt_global_resets_count)) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf043,
"qla_target(%d): global reset during session discovery "
"(counter was %d, new %d), retrying", vha->vp_idx,
global_resets,
- atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count));
+ atomic_read(&vha->vha_tgt.
+ qla_tgt->tgt_global_resets_count));
goto retry;
}
if (!sess) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
- mutex_lock(&ha->tgt.tgt_mutex);
+ mutex_lock(&vha->vha_tgt.tgt_mutex);
sess = qlt_make_local_sess(vha, s_id);
/* sess has got an extra creation ref */
- mutex_unlock(&ha->tgt.tgt_mutex);
+ mutex_unlock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
if (!sess)
if (!sess) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
- mutex_lock(&ha->tgt.tgt_mutex);
+ mutex_lock(&vha->vha_tgt.tgt_mutex);
sess = qlt_make_local_sess(vha, s_id);
/* sess has got an extra creation ref */
- mutex_unlock(&ha->tgt.tgt_mutex);
+ mutex_unlock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
if (!sess)
}
ql_dbg(ql_dbg_tgt, base_vha, 0xe03b,
- "Registering target for host %ld(%p)", base_vha->host_no, ha);
+ "Registering target for host %ld(%p).\n", base_vha->host_no, ha);
- BUG_ON((ha->tgt.qla_tgt != NULL) || (ha->tgt.tgt_ops != NULL));
+ BUG_ON(base_vha->vha_tgt.qla_tgt != NULL);
tgt = kzalloc(sizeof(struct qla_tgt), GFP_KERNEL);
if (!tgt) {
INIT_WORK(&tgt->srr_work, qlt_handle_srr_work);
atomic_set(&tgt->tgt_global_resets_count, 0);
- ha->tgt.qla_tgt = tgt;
+ base_vha->vha_tgt.qla_tgt = tgt;
ql_dbg(ql_dbg_tgt, base_vha, 0xe067,
"qla_target(%d): using 64 Bit PCI addressing",
/* Must be called under tgt_host_action_mutex */
int qlt_remove_target(struct qla_hw_data *ha, struct scsi_qla_host *vha)
{
- if (!ha->tgt.qla_tgt)
+ if (!vha->vha_tgt.qla_tgt)
return 0;
mutex_lock(&qla_tgt_mutex);
- list_del(&ha->tgt.qla_tgt->tgt_list_entry);
+ list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry);
mutex_unlock(&qla_tgt_mutex);
ql_dbg(ql_dbg_tgt, vha, 0xe03c, "Unregistering target for host %ld(%p)",
vha->host_no, ha);
- qlt_release(ha->tgt.qla_tgt);
+ qlt_release(vha->vha_tgt.qla_tgt);
return 0;
}
* @callback: lport initialization callback for tcm_qla2xxx code
* @target_lport_ptr: pointer for tcm_qla2xxx specific lport data
*/
- int qlt_lport_register(struct qla_tgt_func_tmpl *qla_tgt_ops, u64 wwpn,
- int (*callback)(struct scsi_qla_host *), void *target_lport_ptr)
+ int qlt_lport_register(void *target_lport_ptr, u64 phys_wwpn,
+ u64 npiv_wwpn, u64 npiv_wwnn,
+ int (*callback)(struct scsi_qla_host *, void *, u64, u64))
{
struct qla_tgt *tgt;
struct scsi_qla_host *vha;
if (!host)
continue;
- if (ha->tgt.tgt_ops != NULL)
- continue;
-
if (!(host->hostt->supported_mode & MODE_TARGET))
continue;
spin_lock_irqsave(&ha->hardware_lock, flags);
- if (host->active_mode & MODE_TARGET) {
+ if ((!npiv_wwpn || !npiv_wwnn) && host->active_mode & MODE_TARGET) {
pr_debug("MODE_TARGET already active on qla2xxx(%d)\n",
host->host_no);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
" qla2xxx scsi_host\n");
continue;
}
- qlt_lport_dump(vha, wwpn, b);
+ qlt_lport_dump(vha, phys_wwpn, b);
if (memcmp(vha->port_name, b, WWN_SIZE)) {
scsi_host_put(host);
continue;
}
- /*
- * Setup passed parameters ahead of invoking callback
- */
- ha->tgt.tgt_ops = qla_tgt_ops;
- ha->tgt.target_lport_ptr = target_lport_ptr;
- rc = (*callback)(vha);
- if (rc != 0) {
- ha->tgt.tgt_ops = NULL;
- ha->tgt.target_lport_ptr = NULL;
- scsi_host_put(host);
- }
mutex_unlock(&qla_tgt_mutex);
+
+ rc = (*callback)(vha, target_lport_ptr, npiv_wwpn, npiv_wwnn);
+ if (rc != 0)
+ scsi_host_put(host);
+
return rc;
}
mutex_unlock(&qla_tgt_mutex);
/*
* Clear the target_lport_ptr qla_target_template pointer in qla_hw_data
*/
- ha->tgt.target_lport_ptr = NULL;
+ vha->vha_tgt.target_lport_ptr = NULL;
ha->tgt.tgt_ops = NULL;
/*
* Release the Scsi_Host reference for the underlying qla2xxx host
qlt_enable_vha(struct scsi_qla_host *vha)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
unsigned long flags;
+ scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
if (!tgt) {
ql_dbg(ql_dbg_tgt, vha, 0xe069,
qlt_set_mode(vha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
- set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
- qla2xxx_wake_dpc(vha);
- qla2x00_wait_for_hba_online(vha);
+ if (vha->vp_idx) {
+ qla24xx_disable_vp(vha);
+ qla24xx_enable_vp(vha);
+ } else {
+ set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
+ qla2xxx_wake_dpc(base_vha);
+ qla2x00_wait_for_hba_online(base_vha);
+ }
}
EXPORT_SYMBOL(qlt_enable_vha);
qlt_disable_vha(struct scsi_qla_host *vha)
{
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
unsigned long flags;
if (!tgt) {
if (!qla_tgt_mode_enabled(vha))
return;
- mutex_init(&ha->tgt.tgt_mutex);
- mutex_init(&ha->tgt.tgt_host_action_mutex);
+ vha->vha_tgt.qla_tgt = NULL;
+
+ mutex_init(&vha->vha_tgt.tgt_mutex);
+ mutex_init(&vha->vha_tgt.tgt_host_action_mutex);
qlt_clear_mode(vha);
* assigning the value appropriately.
*/
ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
+
+ qlt_add_target(ha, vha);
}
void
ISP_ATIO_Q_OUT(base_vha) = &ha->iobase->isp24.atio_q_out;
}
- mutex_init(&ha->tgt.tgt_mutex);
- mutex_init(&ha->tgt.tgt_host_action_mutex);
+ mutex_init(&base_vha->vha_tgt.tgt_mutex);
+ mutex_init(&base_vha->vha_tgt.tgt_host_action_mutex);
qlt_clear_mode(base_vha);
}
static LIST_HEAD(g_tiqn_list);
static LIST_HEAD(g_np_list);
static DEFINE_SPINLOCK(tiqn_lock);
- static DEFINE_SPINLOCK(np_lock);
+ static DEFINE_MUTEX(np_lock);
static struct idr tiqn_idr;
struct idr sess_idr;
return false;
}
+ /*
+ * Called with mutex np_lock held
+ */
static struct iscsi_np *iscsit_get_np(
struct __kernel_sockaddr_storage *sockaddr,
int network_transport)
struct iscsi_np *np;
bool match;
- spin_lock_bh(&np_lock);
list_for_each_entry(np, &g_np_list, np_list) {
- spin_lock(&np->np_thread_lock);
+ spin_lock_bh(&np->np_thread_lock);
if (np->np_thread_state != ISCSI_NP_THREAD_ACTIVE) {
- spin_unlock(&np->np_thread_lock);
+ spin_unlock_bh(&np->np_thread_lock);
continue;
}
* while iscsi_tpg_add_network_portal() is called.
*/
np->np_exports++;
- spin_unlock(&np->np_thread_lock);
- spin_unlock_bh(&np_lock);
+ spin_unlock_bh(&np->np_thread_lock);
return np;
}
- spin_unlock(&np->np_thread_lock);
+ spin_unlock_bh(&np->np_thread_lock);
}
- spin_unlock_bh(&np_lock);
return NULL;
}
struct sockaddr_in6 *sock_in6;
struct iscsi_np *np;
int ret;
+
+ mutex_lock(&np_lock);
+
/*
* Locate the existing struct iscsi_np if already active..
*/
np = iscsit_get_np(sockaddr, network_transport);
- if (np)
+ if (np) {
+ mutex_unlock(&np_lock);
return np;
+ }
np = kzalloc(sizeof(struct iscsi_np), GFP_KERNEL);
if (!np) {
pr_err("Unable to allocate memory for struct iscsi_np\n");
+ mutex_unlock(&np_lock);
return ERR_PTR(-ENOMEM);
}
ret = iscsi_target_setup_login_socket(np, sockaddr);
if (ret != 0) {
kfree(np);
+ mutex_unlock(&np_lock);
return ERR_PTR(ret);
}
pr_err("Unable to create kthread: iscsi_np\n");
ret = PTR_ERR(np->np_thread);
kfree(np);
+ mutex_unlock(&np_lock);
return ERR_PTR(ret);
}
/*
* point because iscsi_np has not been added to g_np_list yet.
*/
np->np_exports = 1;
+ np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
- spin_lock_bh(&np_lock);
list_add_tail(&np->np_list, &g_np_list);
- spin_unlock_bh(&np_lock);
+ mutex_unlock(&np_lock);
pr_debug("CORE[0] - Added Network Portal: %s:%hu on %s\n",
np->np_ip, np->np_port, np->np_transport->name);
*/
send_sig(SIGINT, np->np_thread, 1);
kthread_stop(np->np_thread);
+ np->np_thread = NULL;
}
np->np_transport->iscsit_free_np(np);
- spin_lock_bh(&np_lock);
+ mutex_lock(&np_lock);
list_del(&np->np_list);
- spin_unlock_bh(&np_lock);
+ mutex_unlock(&np_lock);
pr_debug("CORE[0] - Removed Network Portal: %s:%hu on %s\n",
np->np_ip, np->np_port, np->np_transport->name);
{
struct iscsi_cmd *cmd;
- cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
+ cmd = iscsit_allocate_cmd(conn, TASK_INTERRUPTIBLE);
if (!cmd)
return -1;
if (((hdr->flags & ISCSI_FLAG_CMD_READ) ||
(hdr->flags & ISCSI_FLAG_CMD_WRITE)) && !hdr->data_length) {
/*
- * Vmware ESX v3.0 uses a modified Cisco Initiator (v3.4.2)
- * that adds support for RESERVE/RELEASE. There is a bug
- * add with this new functionality that sets R/W bits when
- * neither CDB carries any READ or WRITE datapayloads.
+ * From RFC-3720 Section 10.3.1:
+ *
+ * "Either or both of R and W MAY be 1 when either the
+ * Expected Data Transfer Length and/or Bidirectional Read
+ * Expected Data Transfer Length are 0"
+ *
+ * For this case, go ahead and clear the unnecssary bits
+ * to avoid any confusion with ->data_direction.
*/
- if ((hdr->cdb[0] == 0x16) || (hdr->cdb[0] == 0x17)) {
- hdr->flags &= ~ISCSI_FLAG_CMD_READ;
- hdr->flags &= ~ISCSI_FLAG_CMD_WRITE;
- goto done;
- }
+ hdr->flags &= ~ISCSI_FLAG_CMD_READ;
+ hdr->flags &= ~ISCSI_FLAG_CMD_WRITE;
- pr_err("ISCSI_FLAG_CMD_READ or ISCSI_FLAG_CMD_WRITE"
+ pr_warn("ISCSI_FLAG_CMD_READ or ISCSI_FLAG_CMD_WRITE"
" set when Expected Data Transfer Length is 0 for"
- " CDB: 0x%02x. Bad iSCSI Initiator.\n", hdr->cdb[0]);
- return iscsit_add_reject_cmd(cmd,
- ISCSI_REASON_BOOKMARK_INVALID, buf);
+ " CDB: 0x%02x, Fixing up flags\n", hdr->cdb[0]);
}
-done:
if (!(hdr->flags & ISCSI_FLAG_CMD_READ) &&
!(hdr->flags & ISCSI_FLAG_CMD_WRITE) && (hdr->data_length != 0)) {
if (!conn_p)
return;
- cmd = iscsit_allocate_cmd(conn_p, GFP_ATOMIC);
+ cmd = iscsit_allocate_cmd(conn_p, TASK_RUNNING);
if (!cmd) {
iscsit_dec_conn_usage_count(conn_p);
return;
switch (hdr->opcode & ISCSI_OPCODE_MASK) {
case ISCSI_OP_SCSI_CMD:
- cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
+ cmd = iscsit_allocate_cmd(conn, TASK_INTERRUPTIBLE);
if (!cmd)
goto reject;
case ISCSI_OP_NOOP_OUT:
cmd = NULL;
if (hdr->ttt == cpu_to_be32(0xFFFFFFFF)) {
- cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
+ cmd = iscsit_allocate_cmd(conn, TASK_INTERRUPTIBLE);
if (!cmd)
goto reject;
}
ret = iscsit_handle_nop_out(conn, cmd, buf);
break;
case ISCSI_OP_SCSI_TMFUNC:
- cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
+ cmd = iscsit_allocate_cmd(conn, TASK_INTERRUPTIBLE);
if (!cmd)
goto reject;
ret = iscsit_handle_task_mgt_cmd(conn, cmd, buf);
break;
case ISCSI_OP_TEXT:
- cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
+ cmd = iscsit_allocate_cmd(conn, TASK_INTERRUPTIBLE);
if (!cmd)
goto reject;
ret = iscsit_handle_text_cmd(conn, cmd, buf);
break;
case ISCSI_OP_LOGOUT:
- cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
+ cmd = iscsit_allocate_cmd(conn, TASK_INTERRUPTIBLE);
if (!cmd)
goto reject;
return 0;
}
+ int se_dev_set_pi_prot_type(struct se_device *dev, int flag)
+ {
+ int rc, old_prot = dev->dev_attrib.pi_prot_type;
+
+ if (flag != 0 && flag != 1 && flag != 2 && flag != 3) {
+ pr_err("Illegal value %d for pi_prot_type\n", flag);
+ return -EINVAL;
+ }
+ if (flag == 2) {
+ pr_err("DIF TYPE2 protection currently not supported\n");
+ return -ENOSYS;
+ }
+ if (dev->dev_attrib.hw_pi_prot_type) {
+ pr_warn("DIF protection enabled on underlying hardware,"
+ " ignoring\n");
+ return 0;
+ }
+ if (!dev->transport->init_prot || !dev->transport->free_prot) {
+ pr_err("DIF protection not supported by backend: %s\n",
+ dev->transport->name);
+ return -ENOSYS;
+ }
+ if (!(dev->dev_flags & DF_CONFIGURED)) {
+ pr_err("DIF protection requires device to be configured\n");
+ return -ENODEV;
+ }
+ if (dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device PROT type while"
+ " export_count is %d\n", dev, dev->export_count);
+ return -EINVAL;
+ }
+
+ dev->dev_attrib.pi_prot_type = flag;
+
+ if (flag && !old_prot) {
+ rc = dev->transport->init_prot(dev);
+ if (rc) {
+ dev->dev_attrib.pi_prot_type = old_prot;
+ return rc;
+ }
+
+ } else if (!flag && old_prot) {
+ dev->transport->free_prot(dev);
+ }
+ pr_debug("dev[%p]: SE Device Protection Type: %d\n", dev, flag);
+
+ return 0;
+ }
+
+ int se_dev_set_pi_prot_format(struct se_device *dev, int flag)
+ {
+ int rc;
+
+ if (!flag)
+ return 0;
+
+ if (flag != 1) {
+ pr_err("Illegal value %d for pi_prot_format\n", flag);
+ return -EINVAL;
+ }
+ if (!dev->transport->format_prot) {
+ pr_err("DIF protection format not supported by backend %s\n",
+ dev->transport->name);
+ return -ENOSYS;
+ }
+ if (!(dev->dev_flags & DF_CONFIGURED)) {
+ pr_err("DIF protection format requires device to be configured\n");
+ return -ENODEV;
+ }
+ if (dev->export_count) {
+ pr_err("dev[%p]: Unable to format SE Device PROT type while"
+ " export_count is %d\n", dev, dev->export_count);
+ return -EINVAL;
+ }
+
+ rc = dev->transport->format_prot(dev);
+ if (rc)
+ return rc;
+
+ pr_debug("dev[%p]: SE Device Protection Format complete\n", dev);
+
+ return 0;
+ }
+
int se_dev_set_enforce_pr_isids(struct se_device *dev, int flag)
{
if ((flag != 0) && (flag != 1)) {
dev->dev_attrib.block_size = block_size;
pr_debug("dev[%p]: SE Device block_size changed to %u\n",
dev, block_size);
+
+ if (dev->dev_attrib.max_bytes_per_io)
+ dev->dev_attrib.hw_max_sectors =
+ dev->dev_attrib.max_bytes_per_io / block_size;
+
return 0;
}
struct se_lun *core_dev_add_lun(
struct se_portal_group *tpg,
struct se_device *dev,
- u32 lun)
+ u32 unpacked_lun)
{
- struct se_lun *lun_p;
+ struct se_lun *lun;
int rc;
- lun_p = core_tpg_pre_addlun(tpg, lun);
- if (IS_ERR(lun_p))
- return lun_p;
+ lun = core_tpg_alloc_lun(tpg, unpacked_lun);
+ if (IS_ERR(lun))
+ return lun;
- rc = core_tpg_post_addlun(tpg, lun_p,
+ rc = core_tpg_add_lun(tpg, lun,
TRANSPORT_LUNFLAGS_READ_WRITE, dev);
if (rc < 0)
return ERR_PTR(rc);
pr_debug("%s_TPG[%u]_LUN[%u] - Activated %s Logical Unit from"
" CORE HBA: %u\n", tpg->se_tpg_tfo->get_fabric_name(),
- tpg->se_tpg_tfo->tpg_get_tag(tpg), lun_p->unpacked_lun,
+ tpg->se_tpg_tfo->tpg_get_tag(tpg), lun->unpacked_lun,
tpg->se_tpg_tfo->get_fabric_name(), dev->se_hba->hba_id);
/*
* Update LUN maps for dynamically added initiators when
spin_unlock_irq(&tpg->acl_node_lock);
}
- return lun_p;
+ return lun;
}
/* core_dev_del_lun():
dev->dev_link_magic = SE_DEV_LINK_MAGIC;
dev->se_hba = hba;
dev->transport = hba->transport;
+ dev->prot_length = sizeof(struct se_dif_v1_tuple);
INIT_LIST_HEAD(&dev->dev_list);
INIT_LIST_HEAD(&dev->dev_sep_list);
spin_lock_init(&dev->t10_pr.aptpl_reg_lock);
INIT_LIST_HEAD(&dev->t10_alua.tg_pt_gps_list);
spin_lock_init(&dev->t10_alua.tg_pt_gps_lock);
+ INIT_LIST_HEAD(&dev->t10_alua.lba_map_list);
+ spin_lock_init(&dev->t10_alua.lba_map_lock);
dev->t10_wwn.t10_dev = dev;
dev->t10_alua.t10_dev = dev;
dev->dev_attrib.emulate_tpws = DA_EMULATE_TPWS;
dev->dev_attrib.emulate_caw = DA_EMULATE_CAW;
dev->dev_attrib.emulate_3pc = DA_EMULATE_3PC;
+ dev->dev_attrib.pi_prot_type = TARGET_DIF_TYPE0_PROT;
dev->dev_attrib.enforce_pr_isids = DA_ENFORCE_PR_ISIDS;
dev->dev_attrib.is_nonrot = DA_IS_NONROT;
dev->dev_attrib.emulate_rest_reord = DA_EMULATE_REST_REORD;
}
core_alua_free_lu_gp_mem(dev);
+ core_alua_set_lba_map(dev, NULL, 0, 0);
core_scsi3_free_all_registrations(dev);
se_release_vpd_for_dev(dev);
+ if (dev->transport->free_prot)
+ dev->transport->free_prot(dev);
+
dev->transport->free_device(dev);
}
pr_debug("CORE_HBA[%d] - TCM FILEIO HBA Driver %s on Generic"
" Target Core Stack %s\n", hba->hba_id, FD_VERSION,
TARGET_CORE_MOD_VERSION);
- pr_debug("CORE_HBA[%d] - Attached FILEIO HBA: %u to Generic"
- " MaxSectors: %u\n",
- hba->hba_id, fd_host->fd_host_id, FD_MAX_SECTORS);
+ pr_debug("CORE_HBA[%d] - Attached FILEIO HBA: %u to Generic\n",
+ hba->hba_id, fd_host->fd_host_id);
return 0;
}
}
dev->dev_attrib.hw_block_size = fd_dev->fd_block_size;
- dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS;
+ dev->dev_attrib.max_bytes_per_io = FD_MAX_BYTES;
+ dev->dev_attrib.hw_max_sectors = FD_MAX_BYTES / fd_dev->fd_block_size;
dev->dev_attrib.hw_queue_depth = FD_MAX_DEVICE_QUEUE_DEPTH;
if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
kfree(fd_dev);
}
+ static int fd_do_prot_rw(struct se_cmd *cmd, struct fd_prot *fd_prot,
+ int is_write)
+ {
+ struct se_device *se_dev = cmd->se_dev;
+ struct fd_dev *dev = FD_DEV(se_dev);
+ struct file *prot_fd = dev->fd_prot_file;
+ struct scatterlist *sg;
+ loff_t pos = (cmd->t_task_lba * se_dev->prot_length);
+ unsigned char *buf;
+ u32 prot_size, len, size;
+ int rc, ret = 1, i;
+
+ prot_size = (cmd->data_length / se_dev->dev_attrib.block_size) *
+ se_dev->prot_length;
+
+ if (!is_write) {
+ fd_prot->prot_buf = vzalloc(prot_size);
+ if (!fd_prot->prot_buf) {
+ pr_err("Unable to allocate fd_prot->prot_buf\n");
+ return -ENOMEM;
+ }
+ buf = fd_prot->prot_buf;
+
+ fd_prot->prot_sg_nents = cmd->t_prot_nents;
+ fd_prot->prot_sg = kzalloc(sizeof(struct scatterlist) *
+ fd_prot->prot_sg_nents, GFP_KERNEL);
+ if (!fd_prot->prot_sg) {
+ pr_err("Unable to allocate fd_prot->prot_sg\n");
+ vfree(fd_prot->prot_buf);
+ return -ENOMEM;
+ }
+ size = prot_size;
+
+ for_each_sg(fd_prot->prot_sg, sg, fd_prot->prot_sg_nents, i) {
+
+ len = min_t(u32, PAGE_SIZE, size);
+ sg_set_buf(sg, buf, len);
+ size -= len;
+ buf += len;
+ }
+ }
+
+ if (is_write) {
+ rc = kernel_write(prot_fd, fd_prot->prot_buf, prot_size, pos);
+ if (rc < 0 || prot_size != rc) {
+ pr_err("kernel_write() for fd_do_prot_rw failed:"
+ " %d\n", rc);
+ ret = -EINVAL;
+ }
+ } else {
+ rc = kernel_read(prot_fd, pos, fd_prot->prot_buf, prot_size);
+ if (rc < 0) {
+ pr_err("kernel_read() for fd_do_prot_rw failed:"
+ " %d\n", rc);
+ ret = -EINVAL;
+ }
+ }
+
+ if (is_write || ret < 0) {
+ kfree(fd_prot->prot_sg);
+ vfree(fd_prot->prot_buf);
+ }
+
+ return ret;
+ }
+
static int fd_do_rw(struct se_cmd *cmd, struct scatterlist *sgl,
u32 sgl_nents, int is_write)
{
enum dma_data_direction data_direction)
{
struct se_device *dev = cmd->se_dev;
+ struct fd_prot fd_prot;
+ sense_reason_t rc;
int ret = 0;
/*
* physical memory addresses to struct iovec virtual memory.
*/
if (data_direction == DMA_FROM_DEVICE) {
+ memset(&fd_prot, 0, sizeof(struct fd_prot));
+
+ if (cmd->prot_type) {
+ ret = fd_do_prot_rw(cmd, &fd_prot, false);
+ if (ret < 0)
+ return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ }
+
ret = fd_do_rw(cmd, sgl, sgl_nents, 0);
+
+ if (ret > 0 && cmd->prot_type) {
+ u32 sectors = cmd->data_length / dev->dev_attrib.block_size;
+
+ rc = sbc_dif_verify_read(cmd, cmd->t_task_lba, sectors,
+ 0, fd_prot.prot_sg, 0);
+ if (rc) {
+ kfree(fd_prot.prot_sg);
+ vfree(fd_prot.prot_buf);
+ return rc;
+ }
+ kfree(fd_prot.prot_sg);
+ vfree(fd_prot.prot_buf);
+ }
} else {
+ memset(&fd_prot, 0, sizeof(struct fd_prot));
+
+ if (cmd->prot_type) {
+ u32 sectors = cmd->data_length / dev->dev_attrib.block_size;
+
+ ret = fd_do_prot_rw(cmd, &fd_prot, false);
+ if (ret < 0)
+ return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+
+ rc = sbc_dif_verify_write(cmd, cmd->t_task_lba, sectors,
+ 0, fd_prot.prot_sg, 0);
+ if (rc) {
+ kfree(fd_prot.prot_sg);
+ vfree(fd_prot.prot_buf);
+ return rc;
+ }
+ }
+
ret = fd_do_rw(cmd, sgl, sgl_nents, 1);
/*
* Perform implicit vfs_fsync_range() for fd_do_writev() ops
vfs_fsync_range(fd_dev->fd_file, start, end, 1);
}
+
+ if (ret > 0 && cmd->prot_type) {
+ ret = fd_do_prot_rw(cmd, &fd_prot, true);
+ if (ret < 0)
+ return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ }
}
- if (ret < 0)
+ if (ret < 0) {
+ kfree(fd_prot.prot_sg);
+ vfree(fd_prot.prot_buf);
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ }
if (ret)
target_complete_cmd(cmd, SAM_STAT_GOOD);
dev->dev_attrib.block_size);
}
+ static int fd_init_prot(struct se_device *dev)
+ {
+ struct fd_dev *fd_dev = FD_DEV(dev);
+ struct file *prot_file, *file = fd_dev->fd_file;
+ struct inode *inode;
+ int ret, flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC;
+ char buf[FD_MAX_DEV_PROT_NAME];
+
+ if (!file) {
+ pr_err("Unable to locate fd_dev->fd_file\n");
+ return -ENODEV;
+ }
+
+ inode = file->f_mapping->host;
+ if (S_ISBLK(inode->i_mode)) {
+ pr_err("FILEIO Protection emulation only supported on"
+ " !S_ISBLK\n");
+ return -ENOSYS;
+ }
+
+ if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE)
+ flags &= ~O_DSYNC;
+
+ snprintf(buf, FD_MAX_DEV_PROT_NAME, "%s.protection",
+ fd_dev->fd_dev_name);
+
+ prot_file = filp_open(buf, flags, 0600);
+ if (IS_ERR(prot_file)) {
+ pr_err("filp_open(%s) failed\n", buf);
+ ret = PTR_ERR(prot_file);
+ return ret;
+ }
+ fd_dev->fd_prot_file = prot_file;
+
+ return 0;
+ }
+
+ static void fd_init_format_buf(struct se_device *dev, unsigned char *buf,
+ u32 unit_size, u32 *ref_tag, u16 app_tag,
+ bool inc_reftag)
+ {
+ unsigned char *p = buf;
+ int i;
+
+ for (i = 0; i < unit_size; i += dev->prot_length) {
+ *((u16 *)&p[0]) = 0xffff;
+ *((__be16 *)&p[2]) = cpu_to_be16(app_tag);
+ *((__be32 *)&p[4]) = cpu_to_be32(*ref_tag);
+
+ if (inc_reftag)
+ (*ref_tag)++;
+
+ p += dev->prot_length;
+ }
+ }
+
+ static int fd_format_prot(struct se_device *dev)
+ {
+ struct fd_dev *fd_dev = FD_DEV(dev);
+ struct file *prot_fd = fd_dev->fd_prot_file;
+ sector_t prot_length, prot;
+ unsigned char *buf;
+ loff_t pos = 0;
+ u32 ref_tag = 0;
+ int unit_size = FDBD_FORMAT_UNIT_SIZE * dev->dev_attrib.block_size;
+ int rc, ret = 0, size, len;
+ bool inc_reftag = false;
+
+ if (!dev->dev_attrib.pi_prot_type) {
+ pr_err("Unable to format_prot while pi_prot_type == 0\n");
+ return -ENODEV;
+ }
+ if (!prot_fd) {
+ pr_err("Unable to locate fd_dev->fd_prot_file\n");
+ return -ENODEV;
+ }
+
+ switch (dev->dev_attrib.pi_prot_type) {
+ case TARGET_DIF_TYPE3_PROT:
+ ref_tag = 0xffffffff;
+ break;
+ case TARGET_DIF_TYPE2_PROT:
+ case TARGET_DIF_TYPE1_PROT:
+ inc_reftag = true;
+ break;
+ default:
+ break;
+ }
+
+ buf = vzalloc(unit_size);
+ if (!buf) {
+ pr_err("Unable to allocate FILEIO prot buf\n");
+ return -ENOMEM;
+ }
+
+ prot_length = (dev->transport->get_blocks(dev) + 1) * dev->prot_length;
+ size = prot_length;
+
+ pr_debug("Using FILEIO prot_length: %llu\n",
+ (unsigned long long)prot_length);
+
+ for (prot = 0; prot < prot_length; prot += unit_size) {
+
+ fd_init_format_buf(dev, buf, unit_size, &ref_tag, 0xffff,
+ inc_reftag);
+
+ len = min(unit_size, size);
+
+ rc = kernel_write(prot_fd, buf, len, pos);
+ if (rc != len) {
+ pr_err("vfs_write to prot file failed: %d\n", rc);
+ ret = -ENODEV;
+ goto out;
+ }
+ pos += len;
+ size -= len;
+ }
+
+ out:
+ vfree(buf);
+ return ret;
+ }
+
+ static void fd_free_prot(struct se_device *dev)
+ {
+ struct fd_dev *fd_dev = FD_DEV(dev);
+
+ if (!fd_dev->fd_prot_file)
+ return;
+
+ filp_close(fd_dev->fd_prot_file, NULL);
+ fd_dev->fd_prot_file = NULL;
+ }
+
static struct sbc_ops fd_sbc_ops = {
.execute_rw = fd_execute_rw,
.execute_sync_cache = fd_execute_sync_cache,
.show_configfs_dev_params = fd_show_configfs_dev_params,
.get_device_type = sbc_get_device_type,
.get_blocks = fd_get_blocks,
+ .init_prot = fd_init_prot,
+ .format_prot = fd_format_prot,
+ .free_prot = fd_free_prot,
};
static int __init fileio_module_init(void)
#define FD_VERSION "4.0"
#define FD_MAX_DEV_NAME 256
+ #define FD_MAX_DEV_PROT_NAME FD_MAX_DEV_NAME + 16
#define FD_DEVICE_QUEUE_DEPTH 32
#define FD_MAX_DEVICE_QUEUE_DEPTH 128
#define FD_BLOCKSIZE 512
-#define FD_MAX_SECTORS 2048
+/*
+ * Limited by the number of iovecs (2048) per vfs_[writev,readv] call
+ */
+#define FD_MAX_BYTES 8388608
#define RRF_EMULATE_CDB 0x01
#define RRF_GOT_LBA 0x02
#define FBDF_HAS_PATH 0x01
#define FBDF_HAS_SIZE 0x02
#define FDBD_HAS_BUFFERED_IO_WCE 0x04
+ #define FDBD_FORMAT_UNIT_SIZE 2048
+
+ struct fd_prot {
+ unsigned char *prot_buf;
+ struct scatterlist *prot_sg;
+ u32 prot_sg_nents;
+ };
struct fd_dev {
struct se_device dev;
u32 fd_block_size;
unsigned long long fd_dev_size;
struct file *fd_file;
+ struct file *fd_prot_file;
/* FILEIO HBA device is connected to */
struct fd_host *fd_host;
} ____cacheline_aligned;
struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
struct request_queue *q;
struct block_device *bd = NULL;
+ struct blk_integrity *bi;
fmode_t mode;
int ret = -ENOMEM;
if (blk_queue_nonrot(q))
dev->dev_attrib.is_nonrot = 1;
+ bi = bdev_get_integrity(bd);
+ if (bi) {
+ struct bio_set *bs = ib_dev->ibd_bio_set;
+
+ if (!strcmp(bi->name, "T10-DIF-TYPE3-IP") ||
+ !strcmp(bi->name, "T10-DIF-TYPE1-IP")) {
+ pr_err("IBLOCK export of blk_integrity: %s not"
+ " supported\n", bi->name);
+ ret = -ENOSYS;
+ goto out_blkdev_put;
+ }
+
+ if (!strcmp(bi->name, "T10-DIF-TYPE3-CRC")) {
+ dev->dev_attrib.pi_prot_type = TARGET_DIF_TYPE3_PROT;
+ } else if (!strcmp(bi->name, "T10-DIF-TYPE1-CRC")) {
+ dev->dev_attrib.pi_prot_type = TARGET_DIF_TYPE1_PROT;
+ }
+
+ if (dev->dev_attrib.pi_prot_type) {
+ if (bioset_integrity_create(bs, IBLOCK_BIO_POOL_SIZE) < 0) {
+ pr_err("Unable to allocate bioset for PI\n");
+ ret = -ENOMEM;
+ goto out_blkdev_put;
+ }
+ pr_debug("IBLOCK setup BIP bs->bio_integrity_pool: %p\n",
+ bs->bio_integrity_pool);
+ }
+ dev->dev_attrib.hw_pi_prot_type = dev->dev_attrib.pi_prot_type;
+ }
+
return 0;
+ out_blkdev_put:
+ blkdev_put(ib_dev->ibd_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL);
out_free_bioset:
bioset_free(ib_dev->ibd_bio_set);
ib_dev->ibd_bio_set = NULL;
if (ib_dev->ibd_bd != NULL)
blkdev_put(ib_dev->ibd_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL);
- if (ib_dev->ibd_bio_set != NULL)
+ if (ib_dev->ibd_bio_set != NULL) {
+ bioset_integrity_free(ib_dev->ibd_bio_set);
bioset_free(ib_dev->ibd_bio_set);
+ }
kfree(ib_dev);
}
bio->bi_bdev = ib_dev->ibd_bd;
bio->bi_private = cmd;
bio->bi_end_io = &iblock_bio_done;
- bio->bi_sector = lba;
+ bio->bi_iter.bi_sector = lba;
return bio;
}
return bl;
}
- bip->bip_size = (cmd->data_length / dev->dev_attrib.block_size) *
+ static int
+ iblock_alloc_bip(struct se_cmd *cmd, struct bio *bio)
+ {
+ struct se_device *dev = cmd->se_dev;
+ struct blk_integrity *bi;
+ struct bio_integrity_payload *bip;
+ struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
+ struct scatterlist *sg;
+ int i, rc;
+
+ bi = bdev_get_integrity(ib_dev->ibd_bd);
+ if (!bi) {
+ pr_err("Unable to locate bio_integrity\n");
+ return -ENODEV;
+ }
+
+ bip = bio_integrity_alloc(bio, GFP_NOIO, cmd->t_prot_nents);
+ if (!bip) {
+ pr_err("Unable to allocate bio_integrity_payload\n");
+ return -ENOMEM;
+ }
+
- bip->bip_sector = bio->bi_sector;
++ bip->bip_iter.bi_size = (cmd->data_length / dev->dev_attrib.block_size) *
+ dev->prot_length;
- pr_debug("IBLOCK BIP Size: %u Sector: %llu\n", bip->bip_size,
- (unsigned long long)bip->bip_sector);
++ bip->bip_iter.bi_sector = bio->bi_iter.bi_sector;
+
++ pr_debug("IBLOCK BIP Size: %u Sector: %llu\n", bip->bip_iter.bi_size,
++ (unsigned long long)bip->bip_iter.bi_sector);
+
+ for_each_sg(cmd->t_prot_sg, sg, cmd->t_prot_nents, i) {
+
+ rc = bio_integrity_add_page(bio, sg_page(sg), sg->length,
+ sg->offset);
+ if (rc != sg->length) {
+ pr_err("bio_integrity_add_page() failed; %d\n", rc);
+ return -ENOMEM;
+ }
+
+ pr_debug("Added bio integrity page: %p length: %d offset; %d\n",
+ sg_page(sg), sg->length, sg->offset);
+ }
+
+ return 0;
+ }
+
static sense_reason_t
iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
enum dma_data_direction data_direction)
{
struct se_device *dev = cmd->se_dev;
struct iblock_req *ibr;
- struct bio *bio;
+ struct bio *bio, *bio_start;
struct bio_list list;
struct scatterlist *sg;
u32 sg_num = sgl_nents;
if (!bio)
goto fail_free_ibr;
+ bio_start = bio;
bio_list_init(&list);
bio_list_add(&list, bio);
sg_num--;
}
+ if (cmd->prot_type) {
+ int rc = iblock_alloc_bip(cmd, bio_start);
+ if (rc)
+ goto fail_put_bios;
+ }
+
iblock_submit_bios(&list, rw);
iblock_complete_cmd(cmd);
return 0;
return sbc_parse_cdb(cmd, &iblock_sbc_ops);
}
- bool iblock_get_write_cache(struct se_device *dev)
+ static bool iblock_get_write_cache(struct se_device *dev)
{
struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
struct block_device *bd = ib_dev->ibd_bd;
snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
acl->se_tpg = tpg;
acl->acl_index = scsi_get_new_index(SCSI_AUTH_INTR_INDEX);
- spin_lock_init(&acl->stats_lock);
acl->dynamic_node_acl = 1;
tpg->se_tpg_tfo->set_default_node_attributes(acl);
snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
acl->se_tpg = tpg;
acl->acl_index = scsi_get_new_index(SCSI_AUTH_INTR_INDEX);
- spin_lock_init(&acl->stats_lock);
tpg->se_tpg_tfo->set_default_node_attributes(acl);
spin_lock_init(&lun->lun_sep_lock);
init_completion(&lun->lun_ref_comp);
- ret = core_tpg_post_addlun(se_tpg, lun, lun_access, dev);
- ret = percpu_ref_init(&lun->lun_ref, core_tpg_lun_ref_release);
- if (ret < 0)
- return ret;
-
+ ret = core_tpg_add_lun(se_tpg, lun, lun_access, dev);
- if (ret < 0) {
- percpu_ref_cancel_init(&lun->lun_ref);
+ if (ret < 0)
return ret;
- }
return 0;
}
}
EXPORT_SYMBOL(core_tpg_deregister);
- struct se_lun *core_tpg_pre_addlun(
+ struct se_lun *core_tpg_alloc_lun(
struct se_portal_group *tpg,
u32 unpacked_lun)
{
return lun;
}
- int core_tpg_post_addlun(
+ int core_tpg_add_lun(
struct se_portal_group *tpg,
struct se_lun *lun,
u32 lun_access,
- void *lun_ptr)
+ struct se_device *dev)
{
int ret;
if (ret < 0)
return ret;
- ret = core_dev_export(lun_ptr, tpg, lun);
+ ret = core_dev_export(dev, tpg, lun);
if (ret < 0) {
percpu_ref_cancel_init(&lun->lun_ref);
return ret;
}
se_sess = tv_nexus->tvn_se_sess;
- tag = percpu_ida_alloc(&se_sess->sess_tag_pool, GFP_ATOMIC);
+ tag = percpu_ida_alloc(&se_sess->sess_tag_pool, TASK_RUNNING);
if (tag < 0) {
pr_err("Unable to obtain tag for tcm_vhost_cmd\n");
return ERR_PTR(-ENOMEM);
cmd->tvc_lun, cmd->tvc_exp_data_len,
cmd->tvc_task_attr, cmd->tvc_data_direction,
TARGET_SCF_ACK_KREF, sg_ptr, cmd->tvc_sgl_count,
- sg_bidi_ptr, sg_no_bidi);
+ sg_bidi_ptr, sg_no_bidi, NULL, 0);
if (rc < 0) {
transport_send_check_condition_and_sense(se_cmd,
TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
vqs[i] = &vs->vqs[i].vq;
vs->vqs[i].vq.handle_kick = vhost_scsi_handle_kick;
}
- r = vhost_dev_init(&vs->dev, vqs, VHOST_SCSI_MAX_VQ);
+ vhost_dev_init(&vs->dev, vqs, VHOST_SCSI_MAX_VQ);
tcm_vhost_init_inflight(vs, NULL);
- if (r < 0)
- goto err_init;
-
f->private_data = vs;
return 0;
-err_init:
- kfree(vqs);
err_vqs:
vhost_scsi_free(vs);
err_vs:
/* Used by transport_send_check_condition_and_sense() */
#define SPC_SENSE_KEY_OFFSET 2
#define SPC_ADD_SENSE_LEN_OFFSET 7
+ #define SPC_DESC_TYPE_OFFSET 8
+ #define SPC_ADDITIONAL_DESC_LEN_OFFSET 9
+ #define SPC_VALIDITY_OFFSET 10
#define SPC_ASC_KEY_OFFSET 12
#define SPC_ASCQ_KEY_OFFSET 13
#define TRANSPORT_IQN_LEN 224
/* Queue Algorithm Modifier default for restricted reordering in control mode page */
#define DA_EMULATE_REST_REORD 0
- #define SE_INQUIRY_BUF 512
+ #define SE_INQUIRY_BUF 1024
#define SE_MODE_PAGE_BUF 512
#define SE_SENSE_BUF 96
TCM_OUT_OF_RESOURCES = R(0x12),
TCM_PARAMETER_LIST_LENGTH_ERROR = R(0x13),
TCM_MISCOMPARE_VERIFY = R(0x14),
+ TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED = R(0x15),
+ TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED = R(0x16),
+ TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED = R(0x17),
#undef R
};
struct se_cmd;
+ struct t10_alua_lba_map_member {
+ struct list_head lba_map_mem_list;
+ int lba_map_mem_alua_state;
+ int lba_map_mem_alua_pg_id;
+ };
+
+ struct t10_alua_lba_map {
+ u64 lba_map_first_lba;
+ u64 lba_map_last_lba;
+ struct list_head lba_map_list;
+ struct list_head lba_map_mem_list;
+ };
+
struct t10_alua {
/* ALUA Target Port Group ID */
u16 alua_tg_pt_gps_counter;
u32 alua_tg_pt_gps_count;
+ /* Referrals support */
+ spinlock_t lba_map_lock;
+ u32 lba_map_segment_size;
+ u32 lba_map_segment_multiplier;
+ struct list_head lba_map_list;
spinlock_t tg_pt_gps_lock;
struct se_device *t10_dev;
/* Used for default ALUA Target Port Group */
u16 tg_pt_gp_id;
int tg_pt_gp_valid_id;
int tg_pt_gp_alua_supported_states;
+ int tg_pt_gp_alua_pending_state;
+ int tg_pt_gp_alua_previous_state;
int tg_pt_gp_alua_access_status;
int tg_pt_gp_alua_access_type;
int tg_pt_gp_nonop_delay_msecs;
int tg_pt_gp_implicit_trans_secs;
int tg_pt_gp_pref;
int tg_pt_gp_write_metadata;
- /* Used by struct t10_alua_tg_pt_gp->tg_pt_gp_md_buf_len */
- #define ALUA_MD_BUF_LEN 1024
- u32 tg_pt_gp_md_buf_len;
u32 tg_pt_gp_members;
atomic_t tg_pt_gp_alua_access_state;
atomic_t tg_pt_gp_ref_cnt;
struct config_group tg_pt_gp_group;
struct list_head tg_pt_gp_list;
struct list_head tg_pt_gp_mem_list;
+ struct se_port *tg_pt_gp_alua_port;
+ struct se_node_acl *tg_pt_gp_alua_nacl;
+ struct delayed_work tg_pt_gp_transition_work;
+ struct completion *tg_pt_gp_transition_complete;
};
struct t10_alua_tg_pt_gp_member {
struct list_head tmr_list;
};
+ enum target_prot_op {
+ TARGET_PROT_NORMAL = 0,
+ TARGET_PROT_DIN_INSERT,
+ TARGET_PROT_DOUT_INSERT,
+ TARGET_PROT_DIN_STRIP,
+ TARGET_PROT_DOUT_STRIP,
+ TARGET_PROT_DIN_PASS,
+ TARGET_PROT_DOUT_PASS,
+ };
+
+ enum target_prot_ho {
+ PROT_SEPERATED,
+ PROT_INTERLEAVED,
+ };
+
+ enum target_prot_type {
+ TARGET_DIF_TYPE0_PROT,
+ TARGET_DIF_TYPE1_PROT,
+ TARGET_DIF_TYPE2_PROT,
+ TARGET_DIF_TYPE3_PROT,
+ };
+
+ struct se_dif_v1_tuple {
+ __be16 guard_tag;
+ __be16 app_tag;
+ __be32 ref_tag;
+ };
+
struct se_cmd {
/* SAM response code being sent to initiator */
u8 scsi_status;
void *priv;
/* Used for lun->lun_ref counting */
- bool lun_ref_active;
+ int lun_ref_active;
+
+ /* DIF related members */
+ enum target_prot_op prot_op;
+ enum target_prot_type prot_type;
+ u32 prot_length;
+ u32 reftag_seed;
+ struct scatterlist *t_prot_sg;
+ unsigned int t_prot_nents;
+ enum target_prot_ho prot_handover;
+ sense_reason_t pi_err;
+ sector_t bad_sector;
};
struct se_ua {
u8 ua_asc;
u8 ua_ascq;
struct se_node_acl *ua_nacl;
- struct list_head ua_dev_list;
struct list_head ua_nacl_list;
};
u32 acl_index;
#define MAX_ACL_TAG_SIZE 64
char acl_tag[MAX_ACL_TAG_SIZE];
- u64 num_cmds;
- u64 read_bytes;
- u64 write_bytes;
- spinlock_t stats_lock;
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
atomic_t acl_pr_ref_count;
struct se_dev_entry **device_list;
int emulate_tpws;
int emulate_caw;
int emulate_3pc;
+ int pi_prot_format;
+ enum target_prot_type pi_prot_type;
+ enum target_prot_type hw_pi_prot_type;
int enforce_pr_isids;
int is_nonrot;
int emulate_rest_reord;
u32 unmap_granularity;
u32 unmap_granularity_alignment;
u32 max_write_same_len;
+ u32 max_bytes_per_io;
struct se_device *da_dev;
struct config_group da_group;
};
/* Linked list for struct se_hba struct se_device list */
struct list_head dev_list;
struct se_lun xcopy_lun;
+ /* Protection Information */
+ int prot_length;
};
struct se_hba {
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