This patch contains fixes to remove virt_to_* family from the driver.
It also contains some function name changes to a few low level functions
to avoid name clash with our net driver.
This patch is a diff on
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-post-merge-2.6.git
Signed-off-by: Jayamohan Kallickal <jayamohank@xxxxxxxxxxxxxxxxx>
---
drivers/scsi/be2iscsi/be.h | 2 +-
drivers/scsi/be2iscsi/be_cmds.c | 15 +++++----
drivers/scsi/be2iscsi/be_cmds.h | 6 ++--
drivers/scsi/be2iscsi/be_iscsi.c | 62 +++++++++++++++++++++++++++++++++++--
drivers/scsi/be2iscsi/be_iscsi.h | 2 +
drivers/scsi/be2iscsi/be_main.c | 58 +++++++++++++++++-----------------
drivers/scsi/be2iscsi/be_main.h | 3 +-
7 files changed, 103 insertions(+), 45 deletions(-)
diff --git a/drivers/scsi/be2iscsi/be.h b/drivers/scsi/be2iscsi/be.h
index 8c973a2..751721e 100644
--- a/drivers/scsi/be2iscsi/be.h
+++ b/drivers/scsi/be2iscsi/be.h
@@ -177,7 +177,7 @@ static inline void swap_dws(void *wrb, int len)
#endif /* __BIG_ENDIAN */
}
-extern void be_cq_notify(struct be_ctrl_info *ctrl, u16 qid, bool arm,
+extern void beiscsi_cq_notify(struct be_ctrl_info *ctrl, u16 qid, bool arm,
u16 num_popped);
#endif /* BEISCSI_H */
diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 63afea2..4b92a7b 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -60,7 +60,8 @@ static inline bool is_link_state_evt(u32 trailer)
ASYNC_TRAILER_EVENT_CODE_MASK) == ASYNC_EVENT_CODE_LINK_STATE);
}
-void be_cq_notify(struct be_ctrl_info *ctrl, u16 qid, bool arm, u16 num_popped)
+void beiscsi_cq_notify(struct be_ctrl_info *ctrl, u16 qid, bool arm,
+ u16 num_popped)
{
u32 val = 0;
val |= qid & DB_CQ_RING_ID_MASK;
@@ -202,7 +203,7 @@ struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem)
return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
}
-int be_cmd_eq_create(struct be_ctrl_info *ctrl,
+int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
@@ -270,7 +271,7 @@ int be_cmd_fw_initialize(struct be_ctrl_info *ctrl)
return status;
}
-int be_cmd_cq_create(struct be_ctrl_info *ctrl,
+int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *cq, struct be_queue_info *eq,
bool sol_evts, bool no_delay, int coalesce_wm)
{
@@ -290,11 +291,11 @@ int be_cmd_cq_create(struct be_ctrl_info *ctrl,
OPCODE_COMMON_CQ_CREATE, sizeof(*req));
if (q_mem->va) {
- SE_DEBUG(DBG_LVL_8, "In be_cmd_cq_create, q_mem->va =%p \n",
+ SE_DEBUG(DBG_LVL_8, "beiscsi_cmd_cq_create, q_mem->va =%p \n",
q_mem->va);
} else
SE_DEBUG(DBG_LVL_1,
- "In be_cmd_cq_create, uninitialized q_mem->va\n");
+ "In beiscsi_cmd_cq_create, uninitialized q_mem->va\n");
req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
@@ -332,7 +333,7 @@ static u32 be_encoded_q_len(int q_len)
len_encoded = 0;
return len_encoded;
}
-int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
+int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
int queue_type)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
@@ -521,6 +522,6 @@ int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
error:
spin_unlock(&ctrl->mbox_lock);
if (status != 0)
- be_cmd_q_destroy(ctrl, NULL, QTYPE_SGL);
+ beiscsi_cmd_q_destroy(ctrl, NULL, QTYPE_SGL);
return status;
}
diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h
index 1dc52cc..175506c 100644
--- a/drivers/scsi/be2iscsi/be_cmds.h
+++ b/drivers/scsi/be2iscsi/be_cmds.h
@@ -407,15 +407,15 @@ struct be_cmd_resp_get_mac_addr {
u32 rsvd[23];
};
-int be_cmd_eq_create(struct be_ctrl_info *ctrl,
+int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay);
-int be_cmd_cq_create(struct be_ctrl_info *ctrl,
+int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *cq, struct be_queue_info *eq,
bool sol_evts, bool no_delay,
int num_cqe_dma_coalesce);
-int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
+int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
int type);
int be_poll_mcc(struct be_ctrl_info *ctrl);
unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl);
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index 5a8fa33..a58c704 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -43,6 +43,15 @@ struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
{
struct Scsi_Host *shost;
struct beiscsi_endpoint *beiscsi_ep;
+ struct iscsi_cls_session *cls_session;
+ struct iscsi_session *sess;
+ struct beiscsi_hba *phba;
+ struct iscsi_task *task;
+ struct beiscsi_io_task *io_task;
+ unsigned int max_size, num_cmd;
+ dma_addr_t bus_add;
+ u64 pa_addr;
+ void *vaddr;
SE_DEBUG(DBG_LVL_8, "In beiscsi_session_create\n");
@@ -51,7 +60,8 @@ struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
return NULL;
}
beiscsi_ep = ep->dd_data;
- shost = beiscsi_ep->phba->shost;
+ phba = beiscsi_ep->phba;
+ shost = phba->shost;
if (cmds_max > beiscsi_ep->phba->params.wrbs_per_cxn) {
shost_printk(KERN_ERR, shost, "Cannot handle %d cmds."
"Max cmds per session supported is %d. Using %d. "
@@ -61,9 +71,53 @@ struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn;
}
- return iscsi_session_setup(&beiscsi_iscsi_transport, shost, cmds_max,
- sizeof(struct beiscsi_io_task),
- initial_cmdsn, ISCSI_MAX_TARGET);
+ cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
+ shost, cmds_max,
+ sizeof(struct beiscsi_io_task),
+ initial_cmdsn, ISCSI_MAX_TARGET);
+ if (!cls_session)
+ return NULL;
+ sess = cls_session->dd_data;
+ max_size = ALIGN(sizeof(struct be_cmd_bhs), 64) * sess->cmds_max;
+ vaddr = pci_alloc_consistent(phba->pcidev,
+ max_size,
+ &bus_add);
+ pa_addr = (__u64) bus_add;
+
+ for (num_cmd = 0; num_cmd < sess->cmds_max; num_cmd++) {
+ task = sess->cmds[num_cmd];
+ io_task = task->dd_data;
+ io_task->cmd_bhs = vaddr;
+ io_task->bhs_pa.u.a64.address = pa_addr;
+ io_task->alloc_size = max_size;
+ vaddr += ALIGN(sizeof(struct be_cmd_bhs), 64);
+ pa_addr += ALIGN(sizeof(struct be_cmd_bhs), 64);
+ }
+ return cls_session;
+}
+
+/**
+ * beiscsi_session_destroy - destroys iscsi session
+ * @cls_session: pointer to iscsi cls session
+ *
+ * Destroys iSCSI session instance and releases
+ * resources allocated for it.
+ */
+void beiscsi_session_destroy(struct iscsi_cls_session *cls_session)
+{
+ struct iscsi_task *task;
+ struct beiscsi_io_task *io_task;
+ struct iscsi_session *sess = cls_session->dd_data;
+ struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
+ struct beiscsi_hba *phba = iscsi_host_priv(shost);
+
+ task = sess->cmds[0];
+ io_task = task->dd_data;
+ pci_free_consistent(phba->pcidev,
+ io_task->alloc_size,
+ io_task->cmd_bhs,
+ io_task->bhs_pa.u.a64.address);
+ iscsi_session_teardown(cls_session);
}
/**
diff --git a/drivers/scsi/be2iscsi/be_iscsi.h b/drivers/scsi/be2iscsi/be_iscsi.h
index fab16fd..f92ffc5 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.h
+++ b/drivers/scsi/be2iscsi/be_iscsi.h
@@ -39,6 +39,8 @@ struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
uint16_t qdepth,
uint32_t initial_cmdsn);
+void beiscsi_session_destroy(struct iscsi_cls_session *cls_session);
+
struct iscsi_cls_conn *beiscsi_conn_create(struct iscsi_cls_session
*cls_session, uint32_t cid);
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index ef82e22..6176b91 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -565,7 +565,7 @@ be_complete_io(struct beiscsi_conn *beiscsi_conn,
{
struct beiscsi_io_task *io_task = task->dd_data;
struct be_status_bhs *sts_bhs =
- (struct be_status_bhs *)&io_task->cmd_bhs;
+ (struct be_status_bhs *)io_task->cmd_bhs;
struct iscsi_conn *conn = beiscsi_conn->conn;
unsigned int sense_len;
unsigned char *sense;
@@ -616,7 +616,7 @@ be_complete_io(struct beiscsi_conn *beiscsi_conn,
memcpy(task->sc->sense_buffer, sense,
min_t(u16, sense_len, SCSI_SENSE_BUFFERSIZE));
}
- if (io_task->cmd_bhs.iscsi_hdr.flags & ISCSI_FLAG_CMD_READ) {
+ if (io_task->cmd_bhs->iscsi_hdr.flags & ISCSI_FLAG_CMD_READ) {
if (psol->dw[offsetof(struct amap_sol_cqe, i_res_cnt) / 32]
& SOL_RES_CNT_MASK)
conn->rxdata_octets += (psol->
@@ -1478,7 +1478,6 @@ static void hwi_write_buffer(struct iscsi_wrb *pwrb, struct iscsi_task *task)
struct beiscsi_hba *phba = beiscsi_conn->phba;
io_task->bhs_len = sizeof(struct be_nonio_bhs) - 2;
- io_task->bhs_pa.u.a64.address = virt_to_bus(&io_task->cmd_bhs);
AMAP_SET_BITS(struct amap_iscsi_wrb, iscsi_bhs_addr_lo, pwrb,
io_task->bhs_pa.u.a32.address_lo);
AMAP_SET_BITS(struct amap_iscsi_wrb, iscsi_bhs_addr_hi, pwrb,
@@ -2070,10 +2069,11 @@ static int beiscsi_create_eq(struct beiscsi_hba *phba,
mem->dma = mem_descr->mem_array[idx].bus_address.u.a64.address;
- ret = be_cmd_eq_create(&phba->ctrl, eq, phwi_context->be_eq.cur_eqd);
+ ret = beiscsi_cmd_eq_create(&phba->ctrl, eq,
+ phwi_context->be_eq.cur_eqd);
if (ret) {
- shost_printk(KERN_ERR, phba->shost, "be_cmd_eq_creat Failed"
- " for EQ \n");
+ shost_printk(KERN_ERR, phba->shost, "beiscsi_cmd_eq_create"
+ " Failedfor EQ \n");
return ret;
}
SE_DEBUG(DBG_LVL_8, "eq id is %d\n", phwi_context->be_eq.q.id);
@@ -2106,10 +2106,10 @@ static int beiscsi_create_cq(struct beiscsi_hba *phba,
}
mem->dma = mem_descr->mem_array[idx].bus_address.u.a64.address;
- ret = be_cmd_cq_create(&phba->ctrl, cq, eq, false, false, 0);
+ ret = beiscsi_cmd_cq_create(&phba->ctrl, cq, eq, false, false, 0);
if (ret) {
shost_printk(KERN_ERR, phba->shost,
- "be_cmd_eq_creat Failed for ISCSI CQ \n");
+ "beiscsi_cmd_eq_creat Failed for ISCSI CQ \n");
return ret;
}
SE_DEBUG(DBG_LVL_8, "iscsi cq id is %d\n", phwi_context->be_cq.id);
@@ -2151,7 +2151,7 @@ beiscsi_create_def_hdr(struct beiscsi_hba *phba,
phba->params.defpdu_hdr_sz);
if (ret) {
shost_printk(KERN_ERR, phba->shost,
- "be_cmd_eq_creat Failed for DEF PDU HDR\n");
+ "beiscsi_cmd_eq_creat Failed for DEF PDU HDR\n");
return ret;
}
phwi_ctrlr->default_pdu_hdr.id = phwi_context->be_def_hdrq.id;
@@ -2195,7 +2195,8 @@ beiscsi_create_def_data(struct beiscsi_hba *phba,
phba->params.defpdu_data_sz);
if (ret) {
shost_printk(KERN_ERR, phba->shost,
- "be_cmd_eq_creat Failed for DEF PDU DATA\n");
+ "be_cmd_create_default_pdu_queue Failed"
+ " for DEF PDU DATA\n");
return ret;
}
phwi_ctrlr->default_pdu_data.id = phwi_context->be_def_dataq.id;
@@ -2340,28 +2341,28 @@ static void hwi_cleanup(struct beiscsi_hba *phba)
for (i = 0; i < phba->params.cxns_per_ctrl; i++) {
q = &phwi_context->be_wrbq[i];
if (q->created)
- be_cmd_q_destroy(ctrl, q, QTYPE_WRBQ);
+ beiscsi_cmd_q_destroy(ctrl, q, QTYPE_WRBQ);
}
free_wrb_handles(phba);
q = &phwi_context->be_def_hdrq;
if (q->created)
- be_cmd_q_destroy(ctrl, q, QTYPE_DPDUQ);
+ beiscsi_cmd_q_destroy(ctrl, q, QTYPE_DPDUQ);
q = &phwi_context->be_def_dataq;
if (q->created)
- be_cmd_q_destroy(ctrl, q, QTYPE_DPDUQ);
+ beiscsi_cmd_q_destroy(ctrl, q, QTYPE_DPDUQ);
- be_cmd_q_destroy(ctrl, NULL, QTYPE_SGL);
+ beiscsi_cmd_q_destroy(ctrl, NULL, QTYPE_SGL);
q = &phwi_context->be_cq;
if (q->created)
- be_cmd_q_destroy(ctrl, q, QTYPE_CQ);
+ beiscsi_cmd_q_destroy(ctrl, q, QTYPE_CQ);
q = &phwi_context->be_eq.q;
if (q->created)
- be_cmd_q_destroy(ctrl, q, QTYPE_EQ);
+ beiscsi_cmd_q_destroy(ctrl, q, QTYPE_EQ);
}
static int hwi_init_port(struct beiscsi_hba *phba)
@@ -2886,7 +2887,7 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
io_task->pwrb_handle->pio_handle = task;
io_task->conn = beiscsi_conn;
- task->hdr = (struct iscsi_hdr *)&io_task->cmd_bhs.iscsi_hdr;
+ task->hdr = (struct iscsi_hdr *)&io_task->cmd_bhs->iscsi_hdr;
task->hdr_max = sizeof(struct be_cmd_bhs);
if (task->sc) {
@@ -2950,7 +2951,7 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
}
itt = (itt_t) cpu_to_be32(((unsigned int)task->itt << 16) |
(unsigned int)(io_task->psgl_handle->sgl_index));
- io_task->cmd_bhs.iscsi_hdr.itt = itt;
+ io_task->cmd_bhs->iscsi_hdr.itt = itt;
return 0;
}
@@ -3003,21 +3004,20 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg,
pwrb = io_task->pwrb_handle->pwrb;
- io_task->cmd_bhs.iscsi_hdr.exp_statsn = 0;
+ io_task->cmd_bhs->iscsi_hdr.exp_statsn = 0;
io_task->bhs_len = sizeof(struct be_cmd_bhs);
- io_task->bhs_pa.u.a64.address = virt_to_bus(&io_task->cmd_bhs);
if (writedir) {
SE_DEBUG(DBG_LVL_4, " WRITE Command \t");
- memset(&io_task->cmd_bhs.iscsi_data_pdu, 0, 48);
+ memset(&io_task->cmd_bhs->iscsi_data_pdu, 0, 48);
AMAP_SET_BITS(struct amap_pdu_data_out, itt,
- &io_task->cmd_bhs.iscsi_data_pdu,
- (unsigned int)io_task->cmd_bhs.iscsi_hdr.itt);
+ &io_task->cmd_bhs->iscsi_data_pdu,
+ (unsigned int)io_task->cmd_bhs->iscsi_hdr.itt);
AMAP_SET_BITS(struct amap_pdu_data_out, opcode,
- &io_task->cmd_bhs.iscsi_data_pdu,
+ &io_task->cmd_bhs->iscsi_data_pdu,
ISCSI_OPCODE_SCSI_DATA_OUT);
AMAP_SET_BITS(struct amap_pdu_data_out, final_bit,
- &io_task->cmd_bhs.iscsi_data_pdu, 1);
+ &io_task->cmd_bhs->iscsi_data_pdu, 1);
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, INI_WR_CMD);
AMAP_SET_BITS(struct amap_iscsi_wrb, dsp, pwrb, 1);
@@ -3026,12 +3026,12 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg,
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, INI_RD_CMD);
AMAP_SET_BITS(struct amap_iscsi_wrb, dsp, pwrb, 0);
}
- memcpy(&io_task->cmd_bhs.iscsi_data_pdu.
+ memcpy(&io_task->cmd_bhs->iscsi_data_pdu.
dw[offsetof(struct amap_pdu_data_out, lun) / 32],
- io_task->cmd_bhs.iscsi_hdr.lun, sizeof(struct scsi_lun));
+ io_task->cmd_bhs->iscsi_hdr.lun, sizeof(struct scsi_lun));
AMAP_SET_BITS(struct amap_iscsi_wrb, lun, pwrb,
- cpu_to_be16((unsigned short)io_task->cmd_bhs.iscsi_hdr.
+ cpu_to_be16((unsigned short)io_task->cmd_bhs->iscsi_hdr.
lun[0]));
AMAP_SET_BITS(struct amap_iscsi_wrb, r2t_exp_dtl, pwrb, xferlen);
AMAP_SET_BITS(struct amap_iscsi_wrb, wrb_idx, pwrb,
@@ -3325,7 +3325,7 @@ struct iscsi_transport beiscsi_iscsi_transport = {
.host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS |
ISCSI_HOST_INITIATOR_NAME,
.create_session = beiscsi_session_create,
- .destroy_session = iscsi_session_teardown,
+ .destroy_session = beiscsi_session_destroy,
.create_conn = beiscsi_conn_create,
.bind_conn = beiscsi_conn_bind,
.destroy_conn = iscsi_conn_teardown,
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index 2c5022e..2520c39 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -386,7 +386,8 @@ struct beiscsi_io_task {
unsigned short cid;
unsigned short header_len;
- struct be_cmd_bhs cmd_bhs;
+ unsigned int alloc_size;
+ struct be_cmd_bhs *cmd_bhs;
struct be_bus_address bhs_pa;
unsigned short bhs_len;
};
--
1.6.4
--
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