diff options
Diffstat (limited to 'drivers/scsi/be2iscsi')
| -rw-r--r-- | drivers/scsi/be2iscsi/be.h | 24 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_cmds.c | 267 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_cmds.h | 37 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_iscsi.c | 23 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 1019 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.h | 49 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_mgmt.c | 69 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_mgmt.h | 8 |
8 files changed, 1160 insertions, 336 deletions
diff --git a/drivers/scsi/be2iscsi/be.h b/drivers/scsi/be2iscsi/be.h index b36020dcf012..a93a5040f087 100644 --- a/drivers/scsi/be2iscsi/be.h +++ b/drivers/scsi/be2iscsi/be.h @@ -20,8 +20,10 @@ #include <linux/pci.h> #include <linux/if_vlan.h> - -#define FW_VER_LEN 32 +#include <linux/blk-iopoll.h> +#define FW_VER_LEN 32 +#define MCC_Q_LEN 128 +#define MCC_CQ_LEN 256 struct be_dma_mem { void *va; @@ -74,18 +76,14 @@ static inline void queue_tail_inc(struct be_queue_info *q) struct be_eq_obj { struct be_queue_info q; - char desc[32]; - - /* Adaptive interrupt coalescing (AIC) info */ - bool enable_aic; - u16 min_eqd; /* in usecs */ - u16 max_eqd; /* in usecs */ - u16 cur_eqd; /* in usecs */ + struct beiscsi_hba *phba; + struct be_queue_info *cq; + struct blk_iopoll iopoll; }; struct be_mcc_obj { - struct be_queue_info *q; - struct be_queue_info *cq; + struct be_queue_info q; + struct be_queue_info cq; }; struct be_ctrl_info { @@ -176,8 +174,4 @@ static inline void swap_dws(void *wrb, int len) } while (len); #endif /* __BIG_ENDIAN */ } - -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 08007b6e42df..f008708f1b08 100644 --- a/drivers/scsi/be2iscsi/be_cmds.c +++ b/drivers/scsi/be2iscsi/be_cmds.c @@ -19,6 +19,16 @@ #include "be_mgmt.h" #include "be_main.h" +static void be_mcc_notify(struct beiscsi_hba *phba) +{ + struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q; + u32 val = 0; + + val |= mccq->id & DB_MCCQ_RING_ID_MASK; + val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT; + iowrite32(val, phba->db_va + DB_MCCQ_OFFSET); +} + static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl) { if (compl->flags != 0) { @@ -54,13 +64,56 @@ static int be_mcc_compl_process(struct be_ctrl_info *ctrl, return 0; } + static inline bool is_link_state_evt(u32 trailer) { return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) & - ASYNC_TRAILER_EVENT_CODE_MASK) == ASYNC_EVENT_CODE_LINK_STATE); + ASYNC_TRAILER_EVENT_CODE_MASK) == + ASYNC_EVENT_CODE_LINK_STATE); +} + +static struct be_mcc_compl *be_mcc_compl_get(struct beiscsi_hba *phba) +{ + struct be_queue_info *mcc_cq = &phba->ctrl.mcc_obj.cq; + struct be_mcc_compl *compl = queue_tail_node(mcc_cq); + + if (be_mcc_compl_is_new(compl)) { + queue_tail_inc(mcc_cq); + return compl; + } + return NULL; +} + +static void be2iscsi_fail_session(struct iscsi_cls_session *cls_session) +{ + iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED); +} + +static void beiscsi_async_link_state_process(struct beiscsi_hba *phba, + struct be_async_event_link_state *evt) +{ + switch (evt->port_link_status) { + case ASYNC_EVENT_LINK_DOWN: + SE_DEBUG(DBG_LVL_1, "Link Down on Physical Port %d \n", + evt->physical_port); + phba->state |= BE_ADAPTER_LINK_DOWN; + break; + case ASYNC_EVENT_LINK_UP: + phba->state = BE_ADAPTER_UP; + SE_DEBUG(DBG_LVL_1, "Link UP on Physical Port %d \n", + evt->physical_port); + iscsi_host_for_each_session(phba->shost, + be2iscsi_fail_session); + break; + default: + SE_DEBUG(DBG_LVL_1, "Unexpected Async Notification %d on" + "Physical Port %d \n", + evt->port_link_status, + evt->physical_port); + } } -void beiscsi_cq_notify(struct be_ctrl_info *ctrl, u16 qid, bool arm, +static void beiscsi_cq_notify(struct beiscsi_hba *phba, u16 qid, bool arm, u16 num_popped) { u32 val = 0; @@ -68,7 +121,70 @@ void beiscsi_cq_notify(struct be_ctrl_info *ctrl, u16 qid, bool arm, if (arm) val |= 1 << DB_CQ_REARM_SHIFT; val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; - iowrite32(val, ctrl->db + DB_CQ_OFFSET); + iowrite32(val, phba->db_va + DB_CQ_OFFSET); +} + + +int beiscsi_process_mcc(struct beiscsi_hba *phba) +{ + struct be_mcc_compl *compl; + int num = 0, status = 0; + struct be_ctrl_info *ctrl = &phba->ctrl; + + spin_lock_bh(&phba->ctrl.mcc_cq_lock); + while ((compl = be_mcc_compl_get(phba))) { + if (compl->flags & CQE_FLAGS_ASYNC_MASK) { + /* Interpret flags as an async trailer */ + if (is_link_state_evt(compl->flags)) + /* Interpret compl as a async link evt */ + beiscsi_async_link_state_process(phba, + (struct be_async_event_link_state *) compl); + else + SE_DEBUG(DBG_LVL_1, + " Unsupported Async Event, flags" + " = 0x%08x \n", compl->flags); + + } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) { + status = be_mcc_compl_process(ctrl, compl); + atomic_dec(&phba->ctrl.mcc_obj.q.used); + } + be_mcc_compl_use(compl); + num++; + } + + if (num) + beiscsi_cq_notify(phba, phba->ctrl.mcc_obj.cq.id, true, num); + + spin_unlock_bh(&phba->ctrl.mcc_cq_lock); + return status; +} + +/* Wait till no more pending mcc requests are present */ +static int be_mcc_wait_compl(struct beiscsi_hba *phba) +{ +#define mcc_timeout 120000 /* 5s timeout */ + int i, status; + for (i = 0; i < mcc_timeout; i++) { + status = beiscsi_process_mcc(phba); + if (status) + return status; + + if (atomic_read(&phba->ctrl.mcc_obj.q.used) == 0) + break; + udelay(100); + } + if (i == mcc_timeout) { + dev_err(&phba->pcidev->dev, "mccq poll timed out\n"); + return -1; + } + return 0; +} + +/* Notify MCC requests and wait for completion */ +int be_mcc_notify_wait(struct beiscsi_hba *phba) +{ + be_mcc_notify(phba); + return be_mcc_wait_compl(phba); } static int be_mbox_db_ready_wait(struct be_ctrl_info *ctrl) @@ -142,6 +258,52 @@ int be_mbox_notify(struct be_ctrl_info *ctrl) return 0; } +/* + * Insert the mailbox address into the doorbell in two steps + * Polls on the mbox doorbell till a command completion (or a timeout) occurs + */ +static int be_mbox_notify_wait(struct beiscsi_hba *phba) +{ + int status; + u32 val = 0; + void __iomem *db = phba->ctrl.db + MPU_MAILBOX_DB_OFFSET; + struct be_dma_mem *mbox_mem = &phba->ctrl.mbox_mem; + struct be_mcc_mailbox *mbox = mbox_mem->va; + struct be_mcc_compl *compl = &mbox->compl; + struct be_ctrl_info *ctrl = &phba->ctrl; + + val |= MPU_MAILBOX_DB_HI_MASK; + /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */ + val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2; + iowrite32(val, db); + + /* wait for ready to be set */ + status = be_mbox_db_ready_wait(ctrl); + if (status != 0) + return status; + + val = 0; + /* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */ + val |= (u32)(mbox_mem->dma >> 4) << 2; + iowrite32(val, db); + + status = be_mbox_db_ready_wait(ctrl); + if (status != 0) + return status; + + /* A cq entry has been made now */ + if (be_mcc_compl_is_new(compl)) { + status = be_mcc_compl_process(ctrl, &mbox->compl); + be_mcc_compl_use(compl); + if (status) + return status; + } else { + dev_err(&phba->pcidev->dev, "invalid mailbox completion\n"); + return -1; + } + return 0; +} + void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len, bool embedded, u8 sge_cnt) { @@ -203,6 +365,20 @@ struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem) return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb; } +struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba) +{ + struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q; + struct be_mcc_wrb *wrb; + + BUG_ON(atomic_read(&mccq->used) >= mccq->len); + wrb = queue_head_node(mccq); + queue_head_inc(mccq); + atomic_inc(&mccq->used); + memset(wrb, 0, sizeof(*wrb)); + return wrb; +} + + int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl, struct be_queue_info *eq, int eq_delay) { @@ -212,6 +388,7 @@ int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem = &eq->dma_mem; int status; + SE_DEBUG(DBG_LVL_8, "In beiscsi_cmd_eq_create\n"); spin_lock(&ctrl->mbox_lock); memset(wrb, 0, sizeof(*wrb)); @@ -249,6 +426,7 @@ int be_cmd_fw_initialize(struct be_ctrl_info *ctrl) int status; u8 *endian_check; + SE_DEBUG(DBG_LVL_8, "In be_cmd_fw_initialize\n"); spin_lock(&ctrl->mbox_lock); memset(wrb, 0, sizeof(*wrb)); @@ -282,6 +460,7 @@ int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl, void *ctxt = &req->context; int status; + SE_DEBUG(DBG_LVL_8, "In beiscsi_cmd_cq_create \n"); spin_lock(&ctrl->mbox_lock); memset(wrb, 0, sizeof(*wrb)); @@ -289,7 +468,6 @@ int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl, be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_CQ_CREATE, sizeof(*req)); - if (!q_mem->va) SE_DEBUG(DBG_LVL_1, "uninitialized q_mem->va\n"); @@ -329,6 +507,53 @@ static u32 be_encoded_q_len(int q_len) len_encoded = 0; return len_encoded; } + +int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba, + struct be_queue_info *mccq, + struct be_queue_info *cq) +{ + struct be_mcc_wrb *wrb; + struct be_cmd_req_mcc_create *req; + struct be_dma_mem *q_mem = &mccq->dma_mem; + struct be_ctrl_info *ctrl; + void *ctxt; + int status; + + spin_lock(&phba->ctrl.mbox_lock); + ctrl = &phba->ctrl; + wrb = wrb_from_mbox(&ctrl->mbox_mem); + req = embedded_payload(wrb); + ctxt = &req->context; + + be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); + + be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, + OPCODE_COMMON_MCC_CREATE, sizeof(*req)); + + req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size); + + AMAP_SET_BITS(struct amap_mcc_context, fid, ctxt, + PCI_FUNC(phba->pcidev->devfn)); + AMAP_SET_BITS(struct amap_mcc_context, valid, ctxt, 1); + AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt, + be_encoded_q_len(mccq->len)); + AMAP_SET_BITS(struct amap_mcc_context, cq_id, ctxt, cq->id); + + be_dws_cpu_to_le(ctxt, sizeof(req->context)); + + be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); + + status = be_mbox_notify_wait(phba); + if (!status) { + struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb); + mccq->id = le16_to_cpu(resp->id); + mccq->created = true; + } + spin_unlock(&phba->ctrl.mbox_lock); + + return status; +} + int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q, int queue_type) { @@ -337,6 +562,7 @@ int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q, u8 subsys = 0, opcode = 0; int status; + SE_DEBUG(DBG_LVL_8, "In beiscsi_cmd_q_destroy \n"); spin_lock(&ctrl->mbox_lock); memset(wrb, 0, sizeof(*wrb)); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); @@ -350,6 +576,10 @@ int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q, subsys = CMD_SUBSYSTEM_COMMON; opcode = OPCODE_COMMON_CQ_DESTROY; break; + case QTYPE_MCCQ: + subsys = CMD_SUBSYSTEM_COMMON; + opcode = OPCODE_COMMON_MCC_DESTROY; + break; case QTYPE_WRBQ: subsys = CMD_SUBSYSTEM_ISCSI; opcode = OPCODE_COMMON_ISCSI_WRBQ_DESTROY; @@ -377,30 +607,6 @@ int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q, return status; } -int be_cmd_get_mac_addr(struct be_ctrl_info *ctrl, u8 *mac_addr) -{ - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); - struct be_cmd_req_get_mac_addr *req = embedded_payload(wrb); - int status; - - spin_lock(&ctrl->mbox_lock); - memset(wrb, 0, sizeof(*wrb)); - be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); - be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, - OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG, - sizeof(*req)); - - status = be_mbox_notify(ctrl); - if (!status) { - struct be_cmd_resp_get_mac_addr *resp = embedded_payload(wrb); - - memcpy(mac_addr, resp->mac_address, ETH_ALEN); - } - - spin_unlock(&ctrl->mbox_lock); - return status; -} - int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl, struct be_queue_info *cq, struct be_queue_info *dq, int length, @@ -412,6 +618,7 @@ int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl, void *ctxt = &req->context; int status; + SE_DEBUG(DBG_LVL_8, "In be_cmd_create_default_pdu_queue\n"); spin_lock(&ctrl->mbox_lock); memset(wrb, 0, sizeof(*wrb)); @@ -468,8 +675,10 @@ int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem, be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); status = be_mbox_notify(ctrl); - if (!status) + if (!status) { wrbq->id = le16_to_cpu(resp->cid); + wrbq->created = true; + } spin_unlock(&ctrl->mbox_lock); return status; } diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h index c20d686cbb43..5de8acb924cb 100644 --- a/drivers/scsi/be2iscsi/be_cmds.h +++ b/drivers/scsi/be2iscsi/be_cmds.h @@ -47,6 +47,8 @@ struct be_mcc_wrb { #define CQE_FLAGS_VALID_MASK (1 << 31) #define CQE_FLAGS_ASYNC_MASK (1 << 30) +#define CQE_FLAGS_COMPLETED_MASK (1 << 28) +#define CQE_FLAGS_CONSUMED_MASK (1 << 27) /* Completion Status */ #define MCC_STATUS_SUCCESS 0x0 @@ -173,7 +175,7 @@ struct be_cmd_req_hdr { u8 domain; /* dword 0 */ u32 timeout; /* dword 1 */ u32 request_length; /* dword 2 */ - u32 rsvd; /* dword 3 */ + u32 rsvd0; /* dword 3 */ }; struct be_cmd_resp_hdr { @@ -382,7 +384,6 @@ struct be_cmd_req_modify_eq_delay { #define ETH_ALEN 6 - struct be_cmd_req_get_mac_addr { struct be_cmd_req_hdr hdr; u32 nic_port_count; @@ -417,14 +418,21 @@ int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl, int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q, int type); +int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba, + struct be_queue_info *mccq, + struct be_queue_info *cq); + int be_poll_mcc(struct be_ctrl_info *ctrl); -unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl); -int be_cmd_get_mac_addr(struct be_ctrl_info *ctrl, u8 *mac_addr); +unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl, + struct beiscsi_hba *phba); +int be_cmd_get_mac_addr(struct beiscsi_hba *phba, u8 *mac_addr); /*ISCSI Functuions */ int be_cmd_fw_initialize(struct be_ctrl_info *ctrl); struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem); +struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba); +int be_mcc_notify_wait(struct beiscsi_hba *phba); int be_mbox_notify(struct be_ctrl_info *ctrl); @@ -531,6 +539,23 @@ struct amap_sol_cqe { u8 valid; /* dword 3 */ } __packed; +#define SOL_ICD_INDEX_MASK 0x0003FFC0 +struct amap_sol_cqe_ring { + u8 hw_sts[8]; /* dword 0 */ + u8 i_sts[8]; /* dword 0 */ + u8 i_resp[8]; /* dword 0 */ + u8 i_flags[7]; /* dword 0 */ + u8 s; /* dword 0 */ + u8 i_exp_cmd_sn[32]; /* dword 1 */ + u8 code[6]; /* dword 2 */ + u8 icd_index[12]; /* dword 2 */ + u8 rsvd[6]; /* dword 2 */ + u8 i_cmd_wnd[8]; /* dword 2 */ + u8 i_res_cnt[31]; /* dword 3 */ + u8 valid; /* dword 3 */ +} __packed; + + /** * Post WRB Queue Doorbell Register used by the host Storage @@ -664,8 +689,8 @@ struct be_fw_cfg { #define OPCODE_COMMON_TCP_UPLOAD 56 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */ -#define CMD_ISCSI_CONNECTION_INVALIDATE 1 -#define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 2 +#define CMD_ISCSI_CONNECTION_INVALIDATE 0x8001 +#define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 0x8002 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42 #define INI_WR_CMD 1 /* Initiator write command */ diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c index 2fd25442cfaf..d587b0362f18 100644 --- a/drivers/scsi/be2iscsi/be_iscsi.c +++ b/drivers/scsi/be2iscsi/be_iscsi.c @@ -67,11 +67,11 @@ struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep, cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn; } - cls_session = iscsi_session_setup(&beiscsi_iscsi_transport, - shost, cmds_max, - sizeof(*beiscsi_sess), - sizeof(*io_task), - initial_cmdsn, ISCSI_MAX_TARGET); + cls_session = iscsi_session_setup(&beiscsi_iscsi_transport, + shost, cmds_max, + sizeof(*beiscsi_sess), + sizeof(*io_task), + initial_cmdsn, ISCSI_MAX_TARGET); if (!cls_session) return NULL; sess = cls_session->dd_data; @@ -297,7 +297,7 @@ int beiscsi_get_host_param(struct Scsi_Host *shost, switch (param) { case ISCSI_HOST_PARAM_HWADDRESS: - be_cmd_get_mac_addr(&phba->ctrl, phba->mac_address); + be_cmd_get_mac_addr(phba, phba->mac_address); len = sysfs_format_mac(buf, phba->mac_address, ETH_ALEN); break; default: @@ -377,16 +377,12 @@ int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn) struct beiscsi_conn *beiscsi_conn = conn->dd_data; struct beiscsi_endpoint *beiscsi_ep; struct beiscsi_offload_params params; - struct iscsi_session *session = conn->session; - struct Scsi_Host *shost = iscsi_session_to_shost(session->cls_session); - struct beiscsi_hba *phba = iscsi_host_priv(shost); memset(¶ms, 0, sizeof(struct beiscsi_offload_params)); beiscsi_ep = beiscsi_conn->ep; if (!beiscsi_ep) SE_DEBUG(DBG_LVL_1, "In beiscsi_conn_start , no beiscsi_ep\n"); - free_mgmt_sgl_handle(phba, beiscsi_conn->plogin_sgl_handle); beiscsi_conn->login_in_progress = 0; beiscsi_set_params_for_offld(beiscsi_conn, ¶ms); beiscsi_offload_connection(beiscsi_conn, ¶ms); @@ -498,6 +494,13 @@ beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, SE_DEBUG(DBG_LVL_1, "shost is NULL \n"); return ERR_PTR(ret); } + + if (phba->state) { + ret = -EBUSY; + SE_DEBUG(DBG_LVL_1, "The Adapet state is Not UP \n"); + return ERR_PTR(ret); + } + ep = iscsi_create_endpoint(sizeof(struct beiscsi_endpoint)); if (!ep) { ret = -ENOMEM; diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 4f1aca346e38..1a557fa77888 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -39,7 +39,8 @@ static unsigned int be_iopoll_budget = 10; static unsigned int be_max_phys_size = 64; -static unsigned int enable_msix; +static unsigned int enable_msix = 1; +static unsigned int ring_mode; MODULE_DEVICE_TABLE(pci, beiscsi_pci_id_table); MODULE_DESCRIPTION(DRV_DESC " " BUILD_STR); @@ -58,6 +59,17 @@ static int beiscsi_slave_configure(struct scsi_device *sdev) return 0; } +/*------------------- PCI Driver operations and data ----------------- */ +static DEFINE_PCI_DEVICE_TABLE(beiscsi_pci_id_table) = { + { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, + { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, + { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, + { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID3) }, + { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID4) }, + { 0 } +}; +MODULE_DEVICE_TABLE(pci, beiscsi_pci_id_table); + static struct scsi_host_template beiscsi_sht = { .module = THIS_MODULE, .name = "ServerEngines 10Gbe open-iscsi Initiator Driver", @@ -76,16 +88,8 @@ static struct scsi_host_template beiscsi_sht = { .cmd_per_lun = BEISCSI_CMD_PER_LUN, .use_clustering = ENABLE_CLUSTERING, }; -static struct scsi_transport_template *beiscsi_scsi_transport; -/*------------------- PCI Driver operations and data ----------------- */ -static DEFINE_PCI_DEVICE_TABLE(beiscsi_pci_id_table) = { - { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, - { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, - { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, beiscsi_pci_id_table); +static struct scsi_transport_template *beiscsi_scsi_transport; static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev) { @@ -104,7 +108,6 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev) shost->max_cmd_len = BEISCSI_MAX_CMD_LEN; shost->max_lun = BEISCSI_NUM_MAX_LUN; shost->transportt = beiscsi_scsi_transport; - phba = iscsi_host_priv(shost); memset(phba, 0, sizeof(*phba)); phba->shost = shost; @@ -181,6 +184,7 @@ static int beiscsi_enable_pci(struct pci_dev *pcidev) return ret; } + pci_set_master(pcidev); if (pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64))) { ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32)); if (ret) { @@ -203,7 +207,6 @@ static int be_ctrl_init(struct beiscsi_hba *phba, struct pci_dev *pdev) status = beiscsi_map_pci_bars(phba, pdev); if (status) return status; - mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; mbox_mem_alloc->va = pci_alloc_consistent(pdev, mbox_mem_alloc->size, @@ -219,6 +222,9 @@ static int be_ctrl_init(struct beiscsi_hba *phba, struct pci_dev *pdev) mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); spin_lock_init(&ctrl->mbox_lock); + spin_lock_init(&phba->ctrl.mcc_lock); + spin_lock_init(&phba->ctrl.mcc_cq_lock); + return status; } @@ -268,6 +274,113 @@ static void hwi_ring_eq_db(struct beiscsi_hba *phba, } /** + * be_isr_mcc - The isr routine of the driver. + * @irq: Not used + * @dev_id: Pointer to host adapter structure + */ +static irqreturn_t be_isr_mcc(int irq, void *dev_id) +{ + struct beiscsi_hba *phba; + struct be_eq_entry *eqe = NULL; + struct be_queue_info *eq; + struct be_queue_info *mcc; + unsigned int num_eq_processed; + struct be_eq_obj *pbe_eq; + unsigned long flags; + + pbe_eq = dev_id; + eq = &pbe_eq->q; + phba = pbe_eq->phba; + mcc = &phba->ctrl.mcc_obj.cq; + eqe = queue_tail_node(eq); + if (!eqe) + SE_DEBUG(DBG_LVL_1, "eqe is NULL\n"); + + num_eq_processed = 0; + + while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32] + & EQE_VALID_MASK) { + if (((eqe->dw[offsetof(struct amap_eq_entry, + resource_id) / 32] & + EQE_RESID_MASK) >> 16) == mcc->id) { + spin_lock_irqsave(&phba->isr_lock, flags); + phba->todo_mcc_cq = 1; + spin_unlock_irqrestore(&phba->isr_lock, flags); + } + AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0); + queue_tail_inc(eq); + eqe = queue_tail_node(eq); + num_eq_processed++; + } + if (phba->todo_mcc_cq) + queue_work(phba->wq, &phba->work_cqs); + if (num_eq_processed) + hwi_ring_eq_db(phba, eq->id, 1, num_eq_processed, 1, 1); + + return IRQ_HANDLED; +} + +/** + * be_isr_msix - The isr routine of the driver. + * @irq: Not used + * @dev_id: Pointer to host adapter structure + */ +static irqreturn_t be_isr_msix(int irq, void *dev_id) +{ + struct beiscsi_hba *phba; + struct be_eq_entry *eqe = NULL; + struct be_queue_info *eq; + struct be_queue_info *cq; + unsigned int num_eq_processed; + struct be_eq_obj *pbe_eq; + unsigned long flags; + + pbe_eq = dev_id; + eq = &pbe_eq->q; + cq = pbe_eq->cq; + eqe = queue_tail_node(eq); + if (!eqe) + SE_DEBUG(DBG_LVL_1, "eqe is NULL\n"); + + phba = pbe_eq->phba; + num_eq_processed = 0; + if (blk_iopoll_enabled) { + while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32] + & EQE_VALID_MASK) { + if (!blk_iopoll_sched_prep(&pbe_eq->iopoll)) + blk_iopoll_sched(&pbe_eq->iopoll); + + AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0); + queue_tail_inc(eq); + eqe = queue_tail_node(eq); + num_eq_processed++; + } + if (num_eq_processed) + hwi_ring_eq_db(phba, eq->id, 1, num_eq_processed, 0, 1); + + return IRQ_HANDLED; + } else { + while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32] + & EQE_VALID_MASK) { + spin_lock_irqsave(&phba->isr_lock, flags); + phba->todo_cq = 1; + spin_unlock_irqrestore(&phba->isr_lock, flags); + AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0); + queue_tail_inc(eq); + eqe = queue_tail_node(eq); + num_eq_processed++; + } + if (phba->todo_cq) + queue_work(phba->wq, &phba->work_cqs); + + if (num_eq_processed) + hwi_ring_eq_db(phba, eq->id, 1, num_eq_processed, 1, 1); + + return IRQ_HANDLED; + } +} + +/** * be_isr - The isr routine of the driver. * @irq: Not used * @dev_id: Pointer to host adapter structure @@ -280,48 +393,70 @@ static irqreturn_t be_isr(int irq, void *dev_id) struct be_eq_entry *eqe = NULL; struct be_queue_info *eq; struct be_queue_info *cq; + struct be_queue_info *mcc; unsigned long flags, index; - unsigned int num_eq_processed; + unsigned int num_mcceq_processed, num_ioeq_processed; struct be_ctrl_info *ctrl; + struct be_eq_obj *pbe_eq; int isr; phba = dev_id; - if (!enable_msix) { - ctrl = &phba->ctrl;; - isr = ioread32(ctrl->csr + CEV_ISR0_OFFSET + - (PCI_FUNC(ctrl->pdev->devfn) * CEV_ISR_SIZE)); - if (!isr) - return IRQ_NONE; - } + ctrl = &phba->ctrl;; + isr = ioread32(ctrl->csr + CEV_ISR0_OFFSET + + (PCI_FUNC(ctrl->pdev->devfn) * CEV_ISR_SIZE)); + if (!isr) + return IRQ_NONE; phwi_ctrlr = phba->phwi_ctrlr; phwi_context = phwi_ctrlr->phwi_ctxt; - eq = &phwi_context->be_eq.q; - cq = &phwi_context->be_cq; + pbe_eq = &phwi_context->be_eq[0]; + + eq = &phwi_context->be_eq[0].q; + mcc = &phba->ctrl.mcc_obj.cq; index = 0; eqe = queue_tail_node(eq); if (!eqe) SE_DEBUG(DBG_LVL_1, "eqe is NULL\n"); - num_eq_processed = 0; + num_ioeq_processed = 0; + num_mcceq_processed = 0; if (blk_iopoll_enabled) { while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32] & EQE_VALID_MASK) { - if (!blk_iopoll_sched_prep(&phba->iopoll)) - blk_iopoll_sched(&phba->iopoll); - + if (((eqe->dw[offsetof(struct amap_eq_entry, + resource_id) / 32] & + EQE_RESID_MASK) >> 16) == mcc->id) { + spin_lock_irqsave(&phba->isr_lock, flags); + phba->todo_mcc_cq = 1; + spin_unlock_irqrestore(&phba->isr_lock, flags); + num_mcceq_processed++; + } else { + if (!blk_iopoll_sched_prep(&pbe_eq->iopoll)) + blk_iopoll_sched(&pbe_eq->iopoll); + num_ioeq_processed++; + } AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0); queue_tail_inc(eq); eqe = queue_tail_node(eq); - num_eq_processed++; - SE_DEBUG(DBG_LVL_8, "Valid EQE\n"); } - if (num_eq_processed) { - hwi_ring_eq_db(phba, eq->id, 0, num_eq_processed, 0, 1); + if (num_ioeq_processed || num_mcceq_processed) { + if (phba->todo_mcc_cq) + queue_work(phba->wq, &phba->work_cqs); + + if ((num_mcceq_processed) && (!num_ioeq_processed)) + hwi_ring_eq_db(phba, eq->id, 0, + (num_ioeq_processed + + num_mcceq_processed) , 1, 1); + else + hwi_ring_eq_db(phba, eq->id, 0, + (num_ioeq_processed + + num_mcceq_processed), 0, 1); + return IRQ_HANDLED; } else return IRQ_NONE; } else { + cq = &phwi_context->be_cq[0]; while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32] & EQE_VALID_MASK) { @@ -339,13 +474,14 @@ static irqreturn_t be_isr(int irq, void *dev_id) AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0); queue_tail_inc(eq); eqe = queue_tail_node(eq); - num_eq_processed++; + num_ioeq_processed++; } if (phba->todo_cq || phba->todo_mcc_cq) queue_work(phba->wq, &phba->work_cqs); - if (num_eq_processed) { - hwi_ring_eq_db(phba, eq->id, 0, num_eq_processed, 1, 1); + if (num_ioeq_processed) { + hwi_ring_eq_db(phba, eq->id, 0, + num_ioeq_processed, 1, 1); return IRQ_HANDLED; } else return IRQ_NONE; @@ -355,13 +491,32 @@ static irqreturn_t be_isr(int irq, void *dev_id) static int beiscsi_init_irqs(struct beiscsi_hba *phba) { struct pci_dev *pcidev = phba->pcidev; - int ret; + struct hwi_controller *phwi_ctrlr; + struct hwi_context_memory *phwi_context; + int ret, msix_vec, i = 0; + char desc[32]; - ret = request_irq(pcidev->irq, be_isr, IRQF_SHARED, "beiscsi", phba); - if (ret) { - shost_printk(KERN_ERR, phba->shost, "beiscsi_init_irqs-" - "Failed to register irq\\n"); - return ret; + 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); + msix_vec = phba->msix_entries[i].vector; + ret = request_irq(msix_vec, be_isr_msix, 0, desc, + &phwi_context->be_eq[i]); + } + msix_vec = phba->msix_entries[i].vector; + ret = request_irq(msix_vec, be_isr_mcc, 0, "beiscsi_msix_mcc", + &phwi_context->be_eq[i]); + } else { + ret = request_irq(pcidev->irq, be_isr, IRQF_SHARED, + "beiscsi", phba); + if (ret) { + shost_printk(KERN_ERR, phba->shost, "beiscsi_init_irqs-" + "Failed to register irq\\n"); + return ret; + } } return 0; } @@ -378,15 +533,6 @@ static void hwi_ring_cq_db(struct beiscsi_hba *phba, iowrite32(val, phba->db_va + DB_CQ_OFFSET); } -/* - * async pdus include - * a. unsolicited NOP-In (target initiated NOP-In) - * b. Async Messages - * c. Reject PDU - * d. Login response - * These headers arrive unprocessed by the EP firmware and iSCSI layer - * process them - */ static unsigned int beiscsi_process_async_pdu(struct beiscsi_conn *beiscsi_conn, struct beiscsi_hba *phba, @@ -397,6 +543,9 @@ beiscsi_process_async_pdu(struct beiscsi_conn *beiscsi_conn, { struct iscsi_conn *conn = beiscsi_conn->conn; struct iscsi_session *session = conn->session; + struct iscsi_task *task; + struct beiscsi_io_task *io_task; + struct iscsi_hdr *login_hdr; switch (ppdu->dw[offsetof(struct amap_pdu_base, opcode) / 32] & PDUBASE_OPCODE_MASK) { @@ -412,6 +561,10 @@ beiscsi_process_async_pdu(struct beiscsi_conn *beiscsi_conn, SE_DEBUG(DBG_LVL_1, "In ISCSI_OP_REJECT\n"); break; case ISCSI_OP_LOGIN_RSP: + task = conn->login_task; + io_task = task->dd_data; + login_hdr = (struct iscsi_hdr *)ppdu; + login_hdr->itt = io_task->libiscsi_itt; break; default: shost_printk(KERN_WARNING, phba->shost, @@ -440,7 +593,8 @@ static struct sgl_handle *alloc_io_sgl_handle(struct beiscsi_hba *phba) io_sgl_alloc_index]; phba->io_sgl_hndl_base[phba->io_sgl_alloc_index] = NULL; phba->io_sgl_hndl_avbl--; - if (phba->io_sgl_alloc_index == (phba->params.ios_per_ctrl - 1)) + if (phba->io_sgl_alloc_index == (phba->params. + ios_per_ctrl - 1)) phba->io_sgl_alloc_index = 0; else phba->io_sgl_alloc_index++; @@ -490,9 +644,18 @@ struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid, phwi_ctrlr = phba->phwi_ctrlr; pwrb_context = &phwi_ctrlr->wrb_context[cid]; - pwrb_handle = pwrb_context->pwrb_handle_base[index]; - pwrb_handle->wrb_index = index; - pwrb_handle->nxt_wrb_index = index; + if (pwrb_context->wrb_handles_available) { + pwrb_handle = pwrb_context->pwrb_handle_base[ + pwrb_context->alloc_index]; + pwrb_context->wrb_handles_available--; + pwrb_handle->nxt_wrb_index = pwrb_handle->wrb_index; + if (pwrb_context->alloc_index == + (phba->params.wrbs_per_cxn - 1)) + pwrb_context->alloc_index = 0; + else + pwrb_context->alloc_index++; + } else + pwrb_handle = NULL; return pwrb_handle; } @@ -508,11 +671,20 @@ static void free_wrb_handle(struct beiscsi_hba *phba, struct hwi_wrb_context *pwrb_context, struct wrb_handle *pwrb_handle) { + if (!ring_mode) + pwrb_context->pwrb_handle_base[pwrb_context->free_index] = + pwrb_handle; + pwrb_context->wrb_handles_available++; + if (pwrb_context->free_index == (phba->params.wrbs_per_cxn - 1)) + pwrb_context->free_index = 0; + else + pwrb_context->free_index++; + SE_DEBUG(DBG_LVL_8, - "FREE WRB: pwrb_handle=%p free_index=%d=0x%x" + "FREE WRB: pwrb_handle=%p free_index=0x%x" "wrb_handles_available=%d \n", pwrb_handle, pwrb_context->free_index, - pwrb_context->free_index, pwrb_context->wrb_handles_available); + pwrb_context->wrb_handles_available); } static struct sgl_handle *alloc_mgmt_sgl_handle(struct beiscsi_hba *phba) @@ -540,6 +712,8 @@ void free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle) { + SE_DEBUG(DBG_LVL_8, "In free_mgmt_sgl_handle,eh_sgl_free_index=%d \n", + phba->eh_sgl_free_index); if (phba->eh_sgl_hndl_base[phba->eh_sgl_free_index]) { /* * this can happen if clean_task is called on a task that @@ -572,10 +746,10 @@ be_complete_io(struct beiscsi_conn *beiscsi_conn, u32 resid = 0, exp_cmdsn, max_cmdsn; u8 rsp, status, flags; - exp_cmdsn = be32_to_cpu(psol-> + exp_cmdsn = (psol-> dw[offsetof(struct amap_sol_cqe, i_exp_cmd_sn) / 32] & SOL_EXP_CMD_SN_MASK); - max_cmdsn = be32_to_cpu((psol-> + max_cmdsn = ((psol-> dw[offsetof(struct amap_sol_cqe, i_exp_cmd_sn) / 32] & SOL_EXP_CMD_SN_MASK) + ((psol->dw[offsetof(struct amap_sol_cqe, i_cmd_wnd) @@ -610,9 +784,9 @@ be_complete_io(struct beiscsi_conn *beiscsi_conn, } if (status == SAM_STAT_CHECK_CONDITION) { + unsigned short *slen = (unsigned short *)sts_bhs->sense_info; sense = sts_bhs->sense_info + sizeof(unsigned short); - sense_len = - cpu_to_be16((unsigned short)(sts_bhs->sense_info[0])); + sense_len = cpu_to_be16(*slen); memcpy(task->sc->sense_buffer, sense, min_t(u16, sense_len, SCSI_SENSE_BUFFERSIZE)); } @@ -620,8 +794,8 @@ be_complete_io(struct beiscsi_conn *beiscsi_conn, if (psol->dw[offsetof(struct amap_sol_cqe, i_res_cnt) / 32] & SOL_RES_CNT_MASK) conn->rxdata_octets += (psol-> - dw[offsetof(struct amap_sol_cqe, i_res_cnt) / 32] - & SOL_RES_CNT_MASK); + dw[offsetof(struct amap_sol_cqe, i_res_cnt) / 32] + & SOL_RES_CNT_MASK); } unmap: scsi_dma_unmap(io_task->scsi_cmnd); @@ -633,6 +807,7 @@ be_complete_logout(struct beiscsi_conn *beiscsi_conn, struct iscsi_task *task, struct sol_cqe *psol) { struct iscsi_logout_rsp *hdr; + struct beiscsi_io_task *io_task = task->dd_data; struct iscsi_conn *conn = beiscsi_conn->conn; hdr = (struct iscsi_logout_rsp *)task->hdr; @@ -651,7 +826,7 @@ be_complete_logout(struct beiscsi_conn *beiscsi_conn, ((psol->dw[offsetof(struct amap_sol_cqe, i_cmd_wnd) / 32] & SOL_CMD_WND_MASK) >> 24) - 1); hdr->hlength = 0; - + hdr->itt = io_task->libiscsi_itt; __iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr, NULL, 0); } @@ -661,6 +836,7 @@ be_complete_tmf(struct beiscsi_conn *beiscsi_conn, { struct iscsi_tm_rsp *hdr; struct iscsi_conn *conn = beiscsi_conn->conn; + struct beiscsi_io_task *io_task = task->dd_data; hdr = (struct iscsi_tm_rsp *)task->hdr; hdr->flags = ((psol->dw[offsetof(struct amap_sol_cqe, i_flags) / 32] @@ -668,11 +844,12 @@ be_complete_tmf(struct beiscsi_conn *beiscsi_conn, hdr->response = (psol->dw[offsetof(struct amap_sol_cqe, i_resp) / 32] & SOL_RESP_MASK); hdr->exp_cmdsn = cpu_to_be32(psol->dw[offsetof(struct amap_sol_cqe, - i_exp_cmd_sn) / 32] & SOL_EXP_CMD_SN_MASK); + i_exp_cmd_sn) / 32] & SOL_EXP_CMD_SN_MASK); hdr->max_cmdsn = be32_to_cpu((psol->dw[offsetof(struct amap_sol_cqe, i_exp_cmd_sn) / 32] & SOL_EXP_CMD_SN_MASK) + ((psol->dw[offsetof(struct amap_sol_cqe, i_cmd_wnd) / 32] & SOL_CMD_WND_MASK) >> 24) - 1); + hdr->itt = io_task->libiscsi_itt; __iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr, NULL, 0); } @@ -681,18 +858,36 @@ hwi_complete_drvr_msgs(struct beiscsi_conn *beiscsi_conn, struct beiscsi_hba *phba, struct sol_cqe *psol) { struct hwi_wrb_context *pwrb_context; - struct wrb_handle *pwrb_handle; + struct wrb_handle *pwrb_handle = NULL; + struct sgl_handle *psgl_handle = NULL; struct hwi_controller *phwi_ctrlr; + struct iscsi_task *task; + struct beiscsi_io_task *io_task; struct iscsi_conn *conn = beiscsi_conn->conn; struct iscsi_session *session = conn->session; phwi_ctrlr = phba->phwi_ctrlr; - pwrb_context = &phwi_ctrlr->wrb_context[((psol-> + if (ring_mode) { + psgl_handle = phba->sgl_hndl_array[((psol-> + dw[offsetof(struct amap_sol_cqe_ring, icd_index) / + 32] & SOL_ICD_INDEX_MASK) >> 6)]; + pwrb_context = &phwi_ctrlr->wrb_context[psgl_handle->cid]; + task = psgl_handle->task; + pwrb_handle = NULL; + } else { + pwrb_context = &phwi_ctrlr->wrb_context[((psol-> dw[offsetof(struct amap_sol_cqe, cid) / 32] & SOL_CID_MASK) >> 6)]; - pwrb_handle = pwrb_context->pwrb_handle_basestd[((psol-> + pwrb_handle = pwrb_context->pwrb_handle_basestd[((psol-> dw[offsetof(struct amap_sol_cqe, wrb_index) / 32] & SOL_WRB_INDEX_MASK) >> 16)]; + task = pwrb_handle->pio_handle; + } + + io_task = task->dd_data; + spin_lock(&phba->mgmt_sgl_lock); + free_mgmt_sgl_handle(phba, io_task->psgl_handle); + spin_unlock(&phba->mgmt_sgl_lock); spin_lock_bh(&session->lock); free_wrb_handle(phba, pwrb_context, pwrb_handle); spin_unlock_bh(&session->lock); @@ -704,6 +899,7 @@ be_complete_nopin_resp(struct beiscsi_conn *beiscsi_conn, { struct iscsi_nopin *hdr; struct iscsi_conn *conn = beiscsi_conn->conn; + struct beiscsi_io_task *io_task = task->dd_data; hdr = (struct iscsi_nopin *)task->hdr; hdr->flags = ((psol->dw[offsetof(struct amap_sol_cqe, i_flags) / 32] @@ -715,6 +911,7 @@ be_complete_nopin_resp(struct beiscsi_conn *beiscsi_conn, ((psol->dw[offsetof(struct amap_sol_cqe, i_cmd_wnd) / 32] & SOL_CMD_WND_MASK) >> 24) - 1); hdr->opcode = ISCSI_OP_NOOP_IN; + hdr->itt = io_task->libiscsi_itt; __iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr, NULL, 0); } @@ -726,25 +923,33 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn, struct iscsi_wrb *pwrb = NULL; struct hwi_controller *phwi_ctrlr; struct iscsi_task *task; - struct beiscsi_io_task *io_task; + struct sgl_handle *psgl_handle = NULL; + unsigned int type; struct iscsi_conn *conn = beiscsi_conn->conn; struct iscsi_session *session = conn->session; phwi_ctrlr = phba->phwi_ctrlr; - - pwrb_context = &phwi_ctrlr-> - wrb_context[((psol->dw[offsetof(struct amap_sol_cqe, cid) / 32] - & SOL_CID_MASK) >> 6)]; - pwrb_handle = pwrb_context->pwrb_handle_basestd[((psol-> + if (ring_mode) { + psgl_handle = phba->sgl_hndl_array[((psol-> + dw[offsetof(struct amap_sol_cqe_ring, icd_index) / + 32] & SOL_ICD_INDEX_MASK) >> 6)]; + task = psgl_handle->task; + type = psgl_handle->type; + } else { + pwrb_context = &phwi_ctrlr-> + wrb_context[((psol->dw[offsetof + (struct amap_sol_cqe, cid) / 32] + & SOL_CID_MASK) >> 6)]; + pwrb_handle = pwrb_context->pwrb_handle_basestd[((psol-> dw[offsetof(struct amap_sol_cqe, wrb_index) / 32] & SOL_WRB_INDEX_MASK) >> 16)]; - - task = pwrb_handle->pio_handle; - io_task = task->dd_data; + task = pwrb_handle->pio_handle; + pwrb = pwrb_handle->pwrb; + type = (pwrb->dw[offsetof(struct amap_iscsi_wrb, type) / 32] & + WRB_TYPE_MASK) >> 28; + } spin_lock_bh(&session->lock); - pwrb = pwrb_handle->pwrb; - switch ((pwrb->dw[offsetof(struct amap_iscsi_wrb, type) / 32] & - WRB_TYPE_MASK) >> 28) { + switch (type) { case HWH_TYPE_IO: case HWH_TYPE_IO_RD: if ((task->hdr->opcode & ISCSI_OPCODE_MASK) == @@ -773,12 +978,21 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn, break; default: - shost_printk(KERN_WARNING, phba->shost, - "wrb_index 0x%x CID 0x%x\n", - ((psol->dw[offsetof(struct amap_iscsi_wrb, type) / - 32] & SOL_WRB_INDEX_MASK) >> 16), - ((psol->dw[offsetof(struct amap_sol_cqe, cid) / 32] - & SOL_CID_MASK) >> 6)); + if (ring_mode) + shost_printk(KERN_WARNING, phba->shost, + "In hwi_complete_cmd, unknown type = %d" + "icd_index 0x%x CID 0x%x\n", type, + ((psol->dw[offsetof(struct amap_sol_cqe_ring, + icd_index) / 32] & SOL_ICD_INDEX_MASK) >> 6), + psgl_handle->cid); + else + shost_printk(KERN_WARNING, phba->shost, + "In hwi_complete_cmd, unknown type = %d" + "wrb_index 0x%x CID 0x%x\n", type, + ((psol->dw[offsetof(struct amap_iscsi_wrb, + type) / 32] & SOL_WRB_INDEX_MASK) >> 16), + ((psol->dw[offsetof(struct amap_sol_cqe, + cid) / 32] & SOL_CID_MASK) >> 6)); break; } @@ -1208,40 +1422,55 @@ static void hwi_process_default_pdu_ring(struct beiscsi_conn *beiscsi_conn, hwi_post_async_buffers(phba, pasync_handle->is_header); } -static unsigned int beiscsi_process_cq(struct beiscsi_hba *phba) + +static unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq) { - struct hwi_controller *phwi_ctrlr; - struct hwi_context_memory *phwi_context; struct be_queue_info *cq; struct sol_cqe *sol; struct dmsg_cqe *dmsg; unsigned int num_processed = 0; unsigned int tot_nump = 0; struct beiscsi_conn *beiscsi_conn; + struct sgl_handle *psgl_handle = NULL; + struct beiscsi_hba *phba; - phwi_ctrlr = phba->phwi_ctrlr; - phwi_context = phwi_ctrlr->phwi_ctxt; - cq = &phwi_context->be_cq; + cq = pbe_eq->cq; sol = queue_tail_node(cq); + phba = pbe_eq->phba; while (sol->dw[offsetof(struct amap_sol_cqe, valid) / 32] & CQE_VALID_MASK) { be_dws_le_to_cpu(sol, sizeof(struct sol_cqe)); - beiscsi_conn = phba->conn_table[(u32) (sol-> + if (ring_mode) { + psgl_handle = phba->sgl_hndl_array[((sol-> + dw[offsetof(struct amap_sol_cqe_ring, + icd_index) / 32] & SOL_ICD_INDEX_MASK) + >> 6)]; + beiscsi_conn = phba->conn_table[psgl_handle->cid]; + if (!beiscsi_conn || !beiscsi_conn->ep) { + shost_printk(KERN_WARNING, phba->shost, + "Connection table empty for cid = %d\n", + psgl_handle->cid); + return 0; + } + + } else { + beiscsi_conn = phba->conn_table[(u32) (sol-> dw[offsetof(struct amap_sol_cqe, cid) / 32] & SOL_CID_MASK) >> 6]; - if (!beiscsi_conn || !beiscsi_conn->ep) { - shost_printk(KERN_WARNING, phba->shost, + if (!beiscsi_conn || !beiscsi_conn->ep) { + shost_printk(KERN_WARNING, phba->shost, "Connection table empty for cid = %d\n", (u32)(sol->dw[offsetof(struct amap_sol_cqe, cid) / 32] & SOL_CID_MASK) >> 6); - return 0; + return 0; + } } if (num_processed >= 32) { - hwi_ring_cq_db(phba, phwi_context->be_cq.id, + hwi_ring_cq_db(phba, cq->id, num_processed, 0, 0); tot_nump += num_processed; num_processed = 0; @@ -1258,8 +1487,12 @@ static unsigned int beiscsi_process_cq(struct beiscsi_hba *phba) hwi_complete_drvr_msgs(beiscsi_conn, phba, sol); break; case UNSOL_HDR_NOTIFY: + SE_DEBUG(DBG_LVL_8, "Received UNSOL_HDR_ NOTIFY\n"); + hwi_process_default_pdu_ring(beiscsi_conn, phba, + (struct i_t_dpdu_cqe *)sol); + break; case UNSOL_DATA_NOTIFY: - SE_DEBUG(DBG_LVL_8, "Received UNSOL_HDR/DATA_NOTIFY\n"); + SE_DEBUG(DBG_LVL_8, "Received UNSOL_DATA_NOTIFY\n"); hwi_process_default_pdu_ring(beiscsi_conn, phba, (struct i_t_dpdu_cqe *)sol); break; @@ -1278,13 +1511,21 @@ static unsigned int beiscsi_process_cq(struct beiscsi_hba *phba) case CMD_CXN_KILLED_ITT_INVALID: case CMD_CXN_KILLED_SEQ_OUTOFORDER: case CMD_CXN_KILLED_INVALID_DATASN_RCVD: - SE_DEBUG(DBG_LVL_1, + if (ring_mode) { + SE_DEBUG(DBG_LVL_1, + "CQ Error notification for cmd.. " + "code %d cid 0x%x\n", + sol->dw[offsetof(struct amap_sol_cqe, code) / + 32] & CQE_CODE_MASK, psgl_handle->cid); + } else { + SE_DEBUG(DBG_LVL_1, "CQ Error notification for cmd.. " "code %d cid 0x%x\n", sol->dw[offsetof(struct amap_sol_cqe, code) / 32] & CQE_CODE_MASK, (sol->dw[offsetof(struct amap_sol_cqe, cid) / 32] & SOL_CID_MASK)); + } break; case UNSOL_DATA_DIGEST_ERROR_NOTIFY: SE_DEBUG(DBG_LVL_1, @@ -1306,23 +1547,37 @@ static unsigned int beiscsi_process_cq(struct beiscsi_hba *phba) case CXN_KILLED_OVER_RUN_RESIDUAL: case CXN_KILLED_UNDER_RUN_RESIDUAL: case CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN: - SE_DEBUG(DBG_LVL_1, "CQ Error %d, resetting CID " + if (ring_mode) { + SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset CID " + "0x%x...\n", + sol->dw[offsetof(struct amap_sol_cqe, code) / + 32] & CQE_CODE_MASK, psgl_handle->cid); + } else { + SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset CID " "0x%x...\n", sol->dw[offsetof(struct amap_sol_cqe, code) / 32] & CQE_CODE_MASK, sol->dw[offsetof(struct amap_sol_cqe, cid) / 32] & CQE_CID_MASK); + } iscsi_conn_failure(beiscsi_conn->conn, ISCSI_ERR_CONN_FAILED); break; case CXN_KILLED_RST_SENT: case CXN_KILLED_RST_RCVD: - SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset received/sent " - "on CID 0x%x...\n", + if (ring_mode) { + SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset" + "received/sent on CID 0x%x...\n", + sol->dw[offsetof(struct amap_sol_cqe, code) / + 32] & CQE_CODE_MASK, psgl_handle->cid); + } else { + SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset" + "received/sent on CID 0x%x...\n", sol->dw[offsetof(struct amap_sol_cqe, code) / 32] & CQE_CODE_MASK, sol->dw[offsetof(struct amap_sol_cqe, cid) / 32] & CQE_CID_MASK); + } iscsi_conn_failure(beiscsi_conn->conn, ISCSI_ERR_CONN_FAILED); break; @@ -1344,8 +1599,7 @@ static unsigned int beiscsi_process_cq(struct beiscsi_hba *phba) if (num_processed > 0) { tot_nump += num_processed; - hwi_ring_cq_db(phba, phwi_context->be_cq.id, num_processed, - 1, 0); + hwi_ring_cq_db(phba, cq->id, num_processed, 1, 0); } return tot_nump; } @@ -1353,21 +1607,30 @@ static unsigned int beiscsi_process_cq(struct beiscsi_hba *phba) static void beiscsi_process_all_cqs(struct work_struct *work) { unsigned long flags; + struct hwi_controller *phwi_ctrlr; + struct hwi_context_memory *phwi_context; + struct be_eq_obj *pbe_eq; struct beiscsi_hba *phba = container_of(work, struct beiscsi_hba, work_cqs); + phwi_ctrlr = phba->phwi_ctrlr; + phwi_context = phwi_ctrlr->phwi_ctxt; + if (phba->msix_enabled) + pbe_eq = &phwi_context->be_eq[phba->num_cpus]; + else + pbe_eq = &phwi_context->be_eq[0]; + if (phba->todo_mcc_cq) { spin_lock_irqsave(&phba->isr_lock, flags); phba->todo_mcc_cq = 0; spin_unlock_irqrestore(&phba->isr_lock, flags); - SE_DEBUG(DBG_LVL_1, "MCC Interrupt Not expected \n"); } if (phba->todo_cq) { spin_lock_irqsave(&phba->isr_lock, flags); phba->todo_cq = 0; spin_unlock_irqrestore(&phba->isr_lock, flags); - beiscsi_process_cq(phba); + beiscsi_process_cq(pbe_eq); } } @@ -1375,19 +1638,15 @@ static int be_iopoll(struct blk_iopoll *iop, int budget) { static unsigned int ret; struct beiscsi_hba *phba; + struct be_eq_obj *pbe_eq; - phba = container_of(iop, struct beiscsi_hba, iopoll); - - ret = beiscsi_process_cq(phba); + pbe_eq = container_of(iop, struct be_eq_obj, iopoll); + ret = beiscsi_process_cq(pbe_eq); if (ret < budget) { - struct hwi_controller *phwi_ctrlr; - struct hwi_context_memory *phwi_context; - - phwi_ctrlr = phba->phwi_ctrlr; - phwi_context = phwi_ctrlr->phwi_ctxt; + phba = pbe_eq->phba; blk_iopoll_complete(iop); - hwi_ring_eq_db(phba, phwi_context->be_eq.q.id, 0, - 0, 1, 1); + SE_DEBUG(DBG_LVL_8, "rearm pbe_eq->q.id =%d\n", pbe_eq->q.id); + hwi_ring_eq_db(phba, pbe_eq->q.id, 0, 0, 1, 1); } return ret; } @@ -1537,14 +1796,12 @@ static void hwi_write_buffer(struct iscsi_wrb *pwrb, struct iscsi_task *task) static void beiscsi_find_mem_req(struct beiscsi_hba *phba) { - unsigned int num_cq_pages, num_eq_pages, num_async_pdu_buf_pages; + unsigned int num_cq_pages, num_async_pdu_buf_pages; unsigned int num_async_pdu_data_pages, wrb_sz_per_cxn; unsigned int num_async_pdu_buf_sgl_pages, num_async_pdu_data_sgl_pages; num_cq_pages = PAGES_REQUIRED(phba->params.num_cq_entries * \ sizeof(struct sol_cqe)); - num_eq_pages = PAGES_REQUIRED(phba->params.num_eq_entries * \ - sizeof(struct be_eq_entry)); num_async_pdu_buf_pages = PAGES_REQUIRED(phba->params.asyncpdus_per_ctrl * \ phba->params.defpdu_hdr_sz); @@ -1565,8 +1822,6 @@ static void beiscsi_find_mem_req(struct beiscsi_hba *phba) phba->mem_req[HWI_MEM_ADDN_CONTEXT] = sizeof(struct hwi_context_memory); - phba->mem_req[HWI_MEM_CQ] = num_cq_pages * PAGE_SIZE; - phba->mem_req[HWI_MEM_EQ] = num_eq_pages * PAGE_SIZE; phba->mem_req[HWI_MEM_WRB] = sizeof(struct iscsi_wrb) * (phba->params.wrbs_per_cxn) @@ -1751,8 +2006,6 @@ static void beiscsi_init_wrb_handle(struct beiscsi_hba *phba) for (index = 0; index < phba->params.cxns_per_ctrl * 2; index += 2) { pwrb_context = &phwi_ctrlr->wrb_context[index]; - SE_DEBUG(DBG_LVL_8, "cid=%d pwrb_context=%p \n", index, - pwrb_context); pwrb_context->pwrb_handle_base = kzalloc(sizeof(struct wrb_handle *) * phba->params.wrbs_per_cxn, GFP_KERNEL); @@ -1767,6 +2020,7 @@ static void beiscsi_init_wrb_handle(struct beiscsi_hba *phba) pwrb_context->pwrb_handle_basestd[j] = pwrb_handle; pwrb_context->wrb_handles_available++; + pwrb_handle->wrb_index = j; pwrb_handle++; } pwrb_context->free_index = 0; @@ -1785,6 +2039,7 @@ static void beiscsi_init_wrb_handle(struct beiscsi_hba *phba) pwrb_context->pwrb_handle_basestd[j] = pwrb_handle; pwrb_context->wrb_handles_available++; + pwrb_handle->wrb_index = j; pwrb_handle++; } pwrb_context->free_index = 0; @@ -2042,79 +2297,126 @@ static int be_fill_queue(struct be_queue_info *q, return 0; } -static int beiscsi_create_eq(struct beiscsi_hba *phba, +static int beiscsi_create_eqs(struct beiscsi_hba *phba, struct hwi_context_memory *phwi_context) { - unsigned int idx; - int ret; + unsigned int i, num_eq_pages; + int ret, eq_for_mcc; struct be_queue_info *eq; struct be_dma_mem *mem; - struct be_mem_descriptor *mem_descr; void *eq_vaddress; + dma_addr_t paddr; - idx = 0; - eq = &phwi_context->be_eq.q; - mem = &eq->dma_mem; - mem_descr = phba->init_mem; - mem_descr += HWI_MEM_EQ; - eq_vaddress = mem_descr->mem_array[idx].virtual_address; - - ret = be_fill_queue(eq, phba->params.num_eq_entries, - sizeof(struct be_eq_entry), eq_vaddress); - if (ret) { - shost_printk(KERN_ERR, phba->shost, - "be_fill_queue Failed for EQ \n"); - return ret; - } + num_eq_pages = PAGES_REQUIRED(phba->params.num_eq_entries * \ + sizeof(struct be_eq_entry)); - mem->dma = mem_descr->mem_array[idx].bus_address.u.a64.address; + if (phba->msix_enabled) + eq_for_mcc = 1; + else + eq_for_mcc = 0; + for (i = 0; i < (phba->num_cpus + eq_for_mcc); i++) { + eq = &phwi_context->be_eq[i].q; + mem = &eq->dma_mem; + phwi_context->be_eq[i].phba = phba; + eq_vaddress = pci_alloc_consistent(phba->pcidev, + num_eq_pages * PAGE_SIZE, + &paddr); + if (!eq_vaddress) + goto create_eq_error; + + mem->va = eq_vaddress; + ret = be_fill_queue(eq, phba->params.num_eq_entries, + sizeof(struct be_eq_entry), eq_vaddress); + if (ret) { + shost_printk(KERN_ERR, phba->shost, + "be_fill_queue Failed for EQ \n"); + goto create_eq_error; + } - ret = beiscsi_cmd_eq_create(&phba->ctrl, eq, - phwi_context->be_eq.cur_eqd); - if (ret) { - shost_printk(KERN_ERR, phba->shost, "beiscsi_cmd_eq_create" - "Failedfor EQ \n"); - return ret; + mem->dma = paddr; + ret = beiscsi_cmd_eq_create(&phba->ctrl, eq, + phwi_context->cur_eqd); + if (ret) { + shost_printk(KERN_ERR, phba->shost, + "beiscsi_cmd_eq_create" + "Failedfor EQ \n"); + goto create_eq_error; + } + SE_DEBUG(DBG_LVL_8, "eqid = %d\n", phwi_context->be_eq[i].q.id); } - SE_DEBUG(DBG_LVL_8, "eq id is %d\n", phwi_context->be_eq.q.id); return 0; +create_eq_error: + for (i = 0; i < (phba->num_cpus + 1); i++) { + eq = &phwi_context->be_eq[i].q; + mem = &eq->dma_mem; + if (mem->va) + pci_free_consistent(phba->pcidev, num_eq_pages + * PAGE_SIZE, + mem->va, mem->dma); + } + return ret; } -static int beiscsi_create_cq(struct beiscsi_hba *phba, +static int beiscsi_create_cqs(struct beiscsi_hba *phba, struct hwi_context_memory *phwi_context) { - unsigned int idx; + unsigned int i, num_cq_pages; int ret; struct be_queue_info *cq, *eq; struct be_dma_mem *mem; - struct be_mem_descriptor *mem_descr; + struct be_eq_obj *pbe_eq; void *cq_vaddress; + dma_addr_t paddr; - idx = 0; - cq = &phwi_context->be_cq; - eq = &phwi_context->be_eq.q; - mem = &cq->dma_mem; - mem_descr = phba->init_mem; - mem_descr += HWI_MEM_CQ; - cq_vaddress = mem_descr->mem_array[idx].virtual_address; - ret = be_fill_queue(cq, phba->params.icds_per_ctrl / 2, - sizeof(struct sol_cqe), cq_vaddress); - if (ret) { - shost_printk(KERN_ERR, phba->shost, - "be_fill_queue Failed for ISCSI CQ \n"); - return ret; - } + num_cq_pages = PAGES_REQUIRED(phba->params.num_cq_entries * \ + sizeof(struct sol_cqe)); - mem->dma = mem_descr->mem_array[idx].bus_address.u.a64.address; - ret = beiscsi_cmd_cq_create(&phba->ctrl, cq, eq, false, false, 0); - if (ret) { - shost_printk(KERN_ERR, phba->shost, - "beiscsi_cmd_eq_create Failed for ISCSI CQ \n"); - return ret; + for (i = 0; i < phba->num_cpus; i++) { + cq = &phwi_context->be_cq[i]; + eq = &phwi_context->be_eq[i].q; + pbe_eq = &phwi_context->be_eq[i]; + pbe_eq->cq = cq; + pbe_eq->phba = phba; + mem = &cq->dma_mem; + cq_vaddress = pci_alloc_consistent(phba->pcidev, + num_cq_pages * PAGE_SIZE, + &paddr); + if (!cq_vaddress) + goto create_cq_error; + ret = be_fill_queue(cq, phba->params.icds_per_ctrl / 2, + sizeof(struct sol_cqe), cq_vaddress); + if (ret) { + shost_printk(KERN_ERR, phba->shost, + "be_fill_queue Failed for ISCSI CQ \n"); + goto create_cq_error; + } + + mem->dma = paddr; + ret = beiscsi_cmd_cq_create(&phba->ctrl, cq, eq, false, + false, 0); + if (ret) { + shost_printk(KERN_ERR, phba->shost, + "beiscsi_cmd_eq_create" + "Failed for ISCSI CQ \n"); + goto create_cq_error; + } + SE_DEBUG(DBG_LVL_8, "iscsi cq_id is %d for eq_id %d\n", + cq->id, eq->id); + SE_DEBUG(DBG_LVL_8, "ISCSI CQ CREATED\n"); } - SE_DEBUG(DBG_LVL_8, "iscsi cq id is %d\n", phwi_context->be_cq.id); - SE_DEBUG(DBG_LVL_8, "ISCSI CQ CREATED\n"); return 0; + +create_cq_error: + for (i = 0; i < phba->num_cpus; i++) { + cq = &phwi_context->be_cq[i]; + mem = &cq->dma_mem; + if (mem->va) + pci_free_consistent(phba->pcidev, num_cq_pages + * PAGE_SIZE, + mem->va, mem->dma); + } + return ret; + } static int @@ -2132,7 +2434,7 @@ beiscsi_create_def_hdr(struct beiscsi_hba *phba, idx = 0; dq = &phwi_context->be_def_hdrq; - cq = &phwi_context->be_cq; + cq = &phwi_context->be_cq[0]; mem = &dq->dma_mem; mem_descr = phba->init_mem; mem_descr += HWI_MEM_ASYNC_HEADER_RING; @@ -2176,7 +2478,7 @@ beiscsi_create_def_data(struct beiscsi_hba *phba, idx = 0; dataq = &phwi_context->be_def_dataq; - cq = &phwi_context->be_cq; + cq = &phwi_context->be_cq[0]; mem = &dataq->dma_mem; mem_descr = phba->init_mem; mem_descr += HWI_MEM_ASYNC_DATA_RING; @@ -2239,6 +2541,30 @@ beiscsi_post_pages(struct beiscsi_hba *phba) return 0; } +static void be_queue_free(struct beiscsi_hba *phba, struct be_queue_info *q) +{ + struct be_dma_mem *mem = &q->dma_mem; + if (mem->va) + pci_free_consistent(phba->pcidev, mem->size, + mem->va, mem->dma); +} + +static int be_queue_alloc(struct beiscsi_hba *phba, struct be_queue_info *q, + u16 len, u16 entry_size) +{ + struct be_dma_mem *mem = &q->dma_mem; + + memset(q, 0, sizeof(*q)); + q->len = len; + q->entry_size = entry_size; + mem->size = len * entry_size; + mem->va = pci_alloc_consistent(phba->pcidev, mem->size, &mem->dma); + if (!mem->va) + return -1; + memset(mem->va, 0, mem->size); + return 0; +} + static int beiscsi_create_wrb_rings(struct beiscsi_hba *phba, struct hwi_context_memory *phwi_context, @@ -2328,13 +2654,29 @@ static void free_wrb_handles(struct beiscsi_hba *phba) } } +static void be_mcc_queues_destroy(struct beiscsi_hba *phba) +{ + struct be_queue_info *q; + struct be_ctrl_info *ctrl = &phba->ctrl; + + q = &phba->ctrl.mcc_obj.q; + if (q->created) + beiscsi_cmd_q_destroy(ctrl, q, QTYPE_MCCQ); + be_queue_free(phba, q); + + q = &phba->ctrl.mcc_obj.cq; + if (q->created) + beiscsi_cmd_q_destroy(ctrl, q, QTYPE_CQ); + be_queue_free(phba, q); +} + static void hwi_cleanup(struct beiscsi_hba *phba) { struct be_queue_info *q; struct be_ctrl_info *ctrl = &phba->ctrl; struct hwi_controller *phwi_ctrlr; struct hwi_context_memory *phwi_context; - int i; + int i, eq_num; phwi_ctrlr = phba->phwi_ctrlr; phwi_context = phwi_ctrlr->phwi_ctxt; @@ -2343,7 +2685,6 @@ static void hwi_cleanup(struct beiscsi_hba *phba) if (q->created) beiscsi_cmd_q_destroy(ctrl, q, QTYPE_WRBQ); } - free_wrb_handles(phba); q = &phwi_context->be_def_hdrq; @@ -2356,13 +2697,76 @@ static void hwi_cleanup(struct beiscsi_hba *phba) beiscsi_cmd_q_destroy(ctrl, NULL, QTYPE_SGL); - q = &phwi_context->be_cq; - if (q->created) - beiscsi_cmd_q_destroy(ctrl, q, QTYPE_CQ); + for (i = 0; i < (phba->num_cpus); i++) { + q = &phwi_context->be_cq[i]; + if (q->created) + beiscsi_cmd_q_destroy(ctrl, q, QTYPE_CQ); + } + if (phba->msix_enabled) + eq_num = 1; + else + eq_num = 0; + for (i = 0; i < (phba->num_cpus + eq_num); i++) { + q = &phwi_context->be_eq[i].q; + if (q->created) + beiscsi_cmd_q_destroy(ctrl, q, QTYPE_EQ); + } + be_mcc_queues_destroy(phba); +} - q = &phwi_context->be_eq.q; - if (q->created) - beiscsi_cmd_q_destroy(ctrl, q, QTYPE_EQ); +static int be_mcc_queues_create(struct beiscsi_hba *phba, + struct hwi_context_memory *phwi_context) +{ + struct be_queue_info *q, *cq; + struct be_ctrl_info *ctrl = &phba->ctrl; + + /* Alloc MCC compl queue */ + cq = &phba->ctrl.mcc_obj.cq; + if (be_queue_alloc(phba, cq, MCC_CQ_LEN, + sizeof(struct be_mcc_compl))) + goto err; + /* Ask BE to create MCC compl queue; */ + if (phba->msix_enabled) { + if (beiscsi_cmd_cq_create(ctrl, cq, &phwi_context->be_eq + [phba->num_cpus].q, false, true, 0)) + goto mcc_cq_free; + } else { + if (beiscsi_cmd_cq_create(ctrl, cq, &phwi_context->be_eq[0].q, + false, true, 0)) + goto mcc_cq_free; + } + + /* Alloc MCC queue */ + q = &phba->ctrl.mcc_obj.q; + if (be_queue_alloc(phba, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) + goto mcc_cq_destroy; + + /* Ask BE to create MCC queue */ + if (beiscsi_cmd_mccq_create(phba, q, cq)) + goto mcc_q_free; + + return 0; + +mcc_q_free: + be_queue_free(phba, q); +mcc_cq_destroy: + beiscsi_cmd_q_destroy(ctrl, cq, QTYPE_CQ); +mcc_cq_free: + be_queue_free(phba, cq); +err: + return -1; +} + +static int find_num_cpus(void) +{ + int num_cpus = 0; + + num_cpus = num_online_cpus(); + if (num_cpus >= MAX_CPUS) + num_cpus = MAX_CPUS - 1; + + SE_DEBUG(DBG_LVL_8, "num_cpus = %d \n", num_cpus); + return num_cpus; } static int hwi_init_port(struct beiscsi_hba *phba) @@ -2376,26 +2780,33 @@ static int hwi_init_port(struct beiscsi_hba *phba) def_pdu_ring_sz = phba->params.asyncpdus_per_ctrl * sizeof(struct phys_addr); phwi_ctrlr = phba->phwi_ctrlr; - phwi_context = phwi_ctrlr->phwi_ctxt; - phwi_context->be_eq.max_eqd = 0; - phwi_context->be_eq.min_eqd = 0; - phwi_context->be_eq.cur_eqd = 64; - phwi_context->be_eq.enable_aic = false; + phwi_context->max_eqd = 0; + phwi_context->min_eqd = 0; + phwi_context->cur_eqd = 64; be_cmd_fw_initialize(&phba->ctrl); - status = beiscsi_create_eq(phba, phwi_context); + + status = beiscsi_create_eqs(phba, phwi_context); if (status != 0) { shost_printk(KERN_ERR, phba->shost, "EQ not created \n"); goto error; } - status = mgmt_check_supported_fw(ctrl); + status = be_mcc_queues_create(phba, phwi_context); + if (status != 0) + goto error; + + status = mgmt_check_supported_fw(ctrl, phba); if (status != 0) { shost_printk(KERN_ERR, phba->shost, "Unsupported fw version \n"); goto error; } + if (phba->fw_config.iscsi_features == 0x1) + ring_mode = 1; + else + ring_mode = 0; status = mgmt_get_fw_config(ctrl, phba); if (status != 0) { shost_printk(KERN_ERR, phba->shost, @@ -2403,7 +2814,7 @@ static int hwi_init_port(struct beiscsi_hba *phba) goto error; } - status = beiscsi_create_cq(phba, phwi_context); + status = beiscsi_create_cqs(phba, phwi_context); if (status != 0) { shost_printk(KERN_ERR, phba->shost, "CQ not created\n"); goto error; @@ -2447,7 +2858,6 @@ error: return -ENOMEM; } - static int hwi_init_controller(struct beiscsi_hba *phba) { struct hwi_controller *phwi_ctrlr; @@ -2530,6 +2940,18 @@ static int beiscsi_init_sgl_handle(struct beiscsi_hba *phba) phba->io_sgl_hndl_avbl = 0; phba->eh_sgl_hndl_avbl = 0; + + if (ring_mode) { + phba->sgl_hndl_array = kzalloc(sizeof(struct sgl_handle *) * + phba->params.icds_per_ctrl, + GFP_KERNEL); + if (!phba->sgl_hndl_array) { + shost_printk(KERN_ERR, phba->shost, + "Mem Alloc Failed. Failing to load\n"); + return -ENOMEM; + } + } + mem_descr_sglh = phba->init_mem; mem_descr_sglh += HWI_MEM_SGLH; if (1 == mem_descr_sglh->num_elements) { @@ -2537,6 +2959,8 @@ static int beiscsi_init_sgl_handle(struct beiscsi_hba *phba) phba->params.ios_per_ctrl, GFP_KERNEL); if (!phba->io_sgl_hndl_base) { + if (ring_mode) + kfree(phba->sgl_hndl_array); shost_printk(KERN_ERR, phba->shost, "Mem Alloc Failed. Failing to load\n"); return -ENOMEM; @@ -2656,13 +3080,12 @@ static unsigned char hwi_enable_intr(struct beiscsi_hba *phba) struct hwi_context_memory *phwi_context; struct be_queue_info *eq; u8 __iomem *addr; - u32 reg; + u32 reg, i; u32 enabled; phwi_ctrlr = phba->phwi_ctrlr; phwi_context = phwi_ctrlr->phwi_ctxt; - eq = &phwi_context->be_eq.q; addr = (u8 __iomem *) ((u8 __iomem *) ctrl->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET); reg = ioread32(addr); @@ -2673,9 +3096,11 @@ static unsigned char hwi_enable_intr(struct beiscsi_hba *phba) reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; SE_DEBUG(DBG_LVL_8, "reg =x%08x addr=%p \n", reg, addr); iowrite32(reg, addr); - SE_DEBUG(DBG_LVL_8, "eq->id=%d \n", eq->id); - - hwi_ring_eq_db(phba, eq->id, 0, 0, 1, 1); + for (i = 0; i <= phba->num_cpus; i++) { + eq = &phwi_context->be_eq[i].q; + SE_DEBUG(DBG_LVL_8, "eq->id=%d \n", eq->id); + hwi_ring_eq_db(phba, eq->id, 0, 0, 1, 1); + } } else shost_printk(KERN_WARNING, phba->shost, "In hwi_enable_intr, Not Enabled \n"); @@ -2720,6 +3145,8 @@ static int beiscsi_init_port(struct beiscsi_hba *phba) if (hba_setup_cid_tbls(phba)) { shost_printk(KERN_ERR, phba->shost, "Failed in hba_setup_cid_tbls\n"); + if (ring_mode) + kfree(phba->sgl_hndl_array); kfree(phba->io_sgl_hndl_base); kfree(phba->eh_sgl_hndl_base); goto do_cleanup_ctrlr; @@ -2738,17 +3165,25 @@ static void hwi_purge_eq(struct beiscsi_hba *phba) struct hwi_context_memory *phwi_context; struct be_queue_info *eq; struct be_eq_entry *eqe = NULL; + int i, eq_msix; phwi_ctrlr = phba->phwi_ctrlr; phwi_context = phwi_ctrlr->phwi_ctxt; - eq = &phwi_context->be_eq.q; - eqe = queue_tail_node(eq); + if (phba->msix_enabled) + eq_msix = 1; + else + eq_msix = 0; - while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32] - & EQE_VALID_MASK) { - AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0); - queue_tail_inc(eq); + for (i = 0; i < (phba->num_cpus + eq_msix); i++) { + eq = &phwi_context->be_eq[i].q; eqe = queue_tail_node(eq); + + while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32] + & EQE_VALID_MASK) { + AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0); + queue_tail_inc(eq); + eqe = queue_tail_node(eq); + } } } @@ -2762,6 +3197,8 @@ static void beiscsi_clean_port(struct beiscsi_hba *phba) "mgmt_epfw_cleanup FAILED \n"); hwi_cleanup(phba); hwi_purge_eq(phba); + if (ring_mode) + kfree(phba->sgl_hndl_array); kfree(phba->io_sgl_hndl_base); kfree(phba->eh_sgl_hndl_base); kfree(phba->cid_array); @@ -2846,8 +3283,9 @@ beiscsi_offload_connection(struct beiscsi_conn *beiscsi_conn, be_dws_le_to_cpu(pwrb, sizeof(struct iscsi_target_context_update_wrb)); doorbell |= beiscsi_conn->beiscsi_conn_cid & DB_WRB_POST_CID_MASK; - doorbell |= (pwrb_handle->wrb_index & DB_DEF_PDU_WRB_INDEX_MASK) << - DB_DEF_PDU_WRB_INDEX_SHIFT; + if (!ring_mode) + doorbell |= (pwrb_handle->wrb_index & DB_DEF_PDU_WRB_INDEX_MASK) + << DB_DEF_PDU_WRB_INDEX_SHIFT; doorbell |= 1 << DB_DEF_PDU_NUM_POSTED_SHIFT; iowrite32(doorbell, phba->db_va + DB_TXULP0_OFFSET); @@ -2856,7 +3294,7 @@ beiscsi_offload_connection(struct beiscsi_conn *beiscsi_conn, static void beiscsi_parse_pdu(struct iscsi_conn *conn, itt_t itt, int *index, int *age) { - *index = be32_to_cpu(itt) >> 16; + *index = (int)itt; if (age) *age = conn->session->age; } @@ -2885,15 +3323,13 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode) io_task->cmd_bhs = pci_pool_alloc(beiscsi_sess->bhs_pool, GFP_KERNEL, &paddr); - if (!io_task->cmd_bhs) return -ENOMEM; - io_task->bhs_pa.u.a64.address = paddr; + io_task->libiscsi_itt = (itt_t)task->itt; io_task->pwrb_handle = alloc_wrb_handle(phba, beiscsi_conn->beiscsi_conn_cid, task->itt); - io_task->pwrb_handle->pio_handle = task; io_task->conn = beiscsi_conn; task->hdr = (struct iscsi_hdr *)&io_task->cmd_bhs->iscsi_hdr; @@ -2905,7 +3341,6 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode) spin_unlock(&phba->io_sgl_lock); if (!io_task->psgl_handle) goto free_hndls; - } else { io_task->scsi_cmnd = NULL; if ((task->hdr->opcode & ISCSI_OPCODE_MASK) == ISCSI_OP_LOGIN) { @@ -2932,8 +3367,18 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode) goto free_hndls; } } - itt = (itt_t) cpu_to_be32(((unsigned int)task->itt << 16) | - (unsigned int)(io_task->psgl_handle->sgl_index)); + itt = (itt_t) cpu_to_be32(((unsigned int)io_task->pwrb_handle-> + wrb_index << 16) | (unsigned int) + (io_task->psgl_handle->sgl_index)); + if (ring_mode) { + phba->sgl_hndl_array[io_task->psgl_handle->sgl_index - + phba->fw_config.iscsi_cid_start] = + io_task->psgl_handle; + io_task->psgl_handle->task = task; + io_task->psgl_handle->cid = beiscsi_conn->beiscsi_conn_cid; + } else + io_task->pwrb_handle->pio_handle = task; + io_task->cmd_bhs->iscsi_hdr.itt = itt; return 0; @@ -3006,7 +3451,6 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg, io_task->bhs_len = sizeof(struct be_cmd_bhs); if (writedir) { - SE_DEBUG(DBG_LVL_4, " WRITE Command \t"); 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, @@ -3016,11 +3460,18 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg, ISCSI_OPCODE_SCSI_DATA_OUT); AMAP_SET_BITS(struct amap_pdu_data_out, final_bit, &io_task->cmd_bhs->iscsi_data_pdu, 1); - AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, INI_WR_CMD); + if (ring_mode) + io_task->psgl_handle->type = INI_WR_CMD; + else + AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, + INI_WR_CMD); AMAP_SET_BITS(struct amap_iscsi_wrb, dsp, pwrb, 1); } else { - SE_DEBUG(DBG_LVL_4, "READ Command \t"); - AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, INI_RD_CMD); + if (ring_mode) + io_task->psgl_handle->type = INI_RD_CMD; + else + 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. @@ -3045,7 +3496,8 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg, be_dws_le_to_cpu(pwrb, sizeof(struct iscsi_wrb)); doorbell |= beiscsi_conn->beiscsi_conn_cid & DB_WRB_POST_CID_MASK; - doorbell |= (io_task->pwrb_handle->wrb_index & + if (!ring_mode) + doorbell |= (io_task->pwrb_handle->wrb_index & DB_DEF_PDU_WRB_INDEX_MASK) << DB_DEF_PDU_WRB_INDEX_SHIFT; doorbell |= 1 << DB_DEF_PDU_NUM_POSTED_SHIFT; @@ -3059,10 +3511,16 @@ static int beiscsi_mtask(struct iscsi_task *task) struct iscsi_conn *conn = task->conn; struct beiscsi_conn *beiscsi_conn = conn->dd_data; struct beiscsi_hba *phba = beiscsi_conn->phba; + struct iscsi_session *session; struct iscsi_wrb *pwrb = NULL; + struct hwi_controller *phwi_ctrlr; + struct hwi_wrb_context *pwrb_context; + struct wrb_handle *pwrb_handle; unsigned int doorbell = 0; + unsigned int i, cid; struct iscsi_task *aborted_task; + cid = beiscsi_conn->beiscsi_conn_cid; pwrb = io_task->pwrb_handle->pwrb; AMAP_SET_BITS(struct amap_iscsi_wrb, cmdsn_itt, pwrb, be32_to_cpu(task->cmdsn)); @@ -3073,38 +3531,63 @@ static int beiscsi_mtask(struct iscsi_task *task) switch (task->hdr->opcode & ISCSI_OPCODE_MASK) { case ISCSI_OP_LOGIN: - AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, TGT_DM_CMD); + if (ring_mode) + io_task->psgl_handle->type = TGT_DM_CMD; + else + AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, + TGT_DM_CMD); AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0); AMAP_SET_BITS(struct amap_iscsi_wrb, cmdsn_itt, pwrb, 1); hwi_write_buffer(pwrb, task); break; case ISCSI_OP_NOOP_OUT: - AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, INI_RD_CMD); + if (ring_mode) + io_task->psgl_handle->type = INI_RD_CMD; + else + AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, + INI_RD_CMD); hwi_write_buffer(pwrb, task); break; case ISCSI_OP_TEXT: - AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, INI_WR_CMD); + if (ring_mode) + io_task->psgl_handle->type = INI_WR_CMD; + else + AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, + INI_WR_CMD); AMAP_SET_BITS(struct amap_iscsi_wrb, dsp, pwrb, 1); hwi_write_buffer(pwrb, task); break; case ISCSI_OP_SCSI_TMFUNC: - aborted_task = iscsi_itt_to_task(conn, - ((struct iscsi_tm *)task->hdr)->rtt); + session = conn->session; + i = ((struct iscsi_tm *)task->hdr)->rtt; + phwi_ctrlr = phba->phwi_ctrlr; + pwrb_context = &phwi_ctrlr->wrb_context[cid]; + pwrb_handle = pwrb_context->pwrb_handle_basestd[be32_to_cpu(i) + >> 16]; + aborted_task = pwrb_handle->pio_handle; if (!aborted_task) return 0; + aborted_io_task = aborted_task->dd_data; if (!aborted_io_task->scsi_cmnd) return 0; mgmt_invalidate_icds(phba, aborted_io_task->psgl_handle->sgl_index, - beiscsi_conn->beiscsi_conn_cid); - AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, INI_TMF_CMD); + cid); + if (ring_mode) + io_task->psgl_handle->type = INI_TMF_CMD; + else + AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, + INI_TMF_CMD); AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0); hwi_write_buffer(pwrb, task); break; case ISCSI_OP_LOGOUT: AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0); + if (ring_mode) + io_task->psgl_handle->type = HWH_TYPE_LOGOUT; + else AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, HWH_TYPE_LOGOUT); hwi_write_buffer(pwrb, task); @@ -3122,8 +3605,9 @@ static int beiscsi_mtask(struct iscsi_task *task) io_task->pwrb_handle->nxt_wrb_index); be_dws_le_to_cpu(pwrb, sizeof(struct iscsi_wrb)); - doorbell |= beiscsi_conn->beiscsi_conn_cid & DB_WRB_POST_CID_MASK; - doorbell |= (io_task->pwrb_handle->wrb_index & + doorbell |= cid & DB_WRB_POST_CID_MASK; + if (!ring_mode) + doorbell |= (io_task->pwrb_handle->wrb_index & DB_DEF_PDU_WRB_INDEX_MASK) << DB_DEF_PDU_WRB_INDEX_SHIFT; doorbell |= 1 << DB_DEF_PDU_NUM_POSTED_SHIFT; iowrite32(doorbell, phba->db_va + DB_TXULP0_OFFSET); @@ -3165,9 +3649,14 @@ 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) { struct beiscsi_hba *phba = NULL; + struct hwi_controller *phwi_ctrlr; + struct hwi_context_memory *phwi_context; + struct be_eq_obj *pbe_eq; + unsigned int i, msix_vec; phba = (struct beiscsi_hba *)pci_get_drvdata(pcidev); if (!phba) { @@ -3175,12 +3664,24 @@ static void beiscsi_remove(struct pci_dev *pcidev) return; } + phwi_ctrlr = phba->phwi_ctrlr; + phwi_context = phwi_ctrlr->phwi_ctxt; hwi_disable_intr(phba); - if (phba->pcidev->irq) - free_irq(phba->pcidev->irq, phba); + if (phba->msix_enabled) { + for (i = 0; i <= phba->num_cpus; i++) { + msix_vec = phba->msix_entries[i].vector; + free_irq(msix_vec, &phwi_context->be_eq[i]); + } + } else + if (phba->pcidev->irq) + free_irq(phba->pcidev->irq, phba); + pci_disable_msix(phba->pcidev); destroy_workqueue(phba->wq); if (blk_iopoll_enabled) - blk_iopoll_disable(&phba->iopoll); + for (i = 0; i < phba->num_cpus; i++) { + pbe_eq = &phwi_context->be_eq[i]; + blk_iopoll_disable(&pbe_eq->iopoll); + } beiscsi_clean_port(phba); beiscsi_free_mem(phba); @@ -3194,11 +3695,29 @@ static void beiscsi_remove(struct pci_dev *pcidev) iscsi_host_free(phba->shost); } +static void beiscsi_msix_enable(struct beiscsi_hba *phba) +{ + int i, status; + + for (i = 0; i <= phba->num_cpus; i++) + phba->msix_entries[i].entry = i; + + status = pci_enable_msix(phba->pcidev, phba->msix_entries, + (phba->num_cpus + 1)); + if (!status) + phba->msix_enabled = true; + + return; +} + static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev, const struct pci_device_id *id) { struct beiscsi_hba *phba = NULL; - int ret; + struct hwi_controller *phwi_ctrlr; + struct hwi_context_memory *phwi_context; + struct be_eq_obj *pbe_eq; + int ret, msix_vec, num_cpus, i; ret = beiscsi_enable_pci(pcidev); if (ret < 0) { @@ -3213,8 +3732,18 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev, " Failed in beiscsi_hba_alloc \n"); goto disable_pci; } + SE_DEBUG(DBG_LVL_8, " phba = %p \n", phba); pci_set_drvdata(pcidev, phba); + if (enable_msix) + num_cpus = find_num_cpus(); + else + num_cpus = 1; + phba->num_cpus = num_cpus; + SE_DEBUG(DBG_LVL_8, "num_cpus = %d \n", phba->num_cpus); + + if (enable_msix) + beiscsi_msix_enable(phba); ret = be_ctrl_init(phba, pcidev); if (ret) { shost_printk(KERN_ERR, phba->shost, "beiscsi_dev_probe-" @@ -3235,7 +3764,7 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev, snprintf(phba->wq_name, sizeof(phba->wq_name), "beiscsi_q_irq%u", phba->shost->host_no); - phba->wq = create_singlethread_workqueue(phba->wq_name); + phba->wq = create_workqueue(phba->wq_name); if (!phba->wq) { shost_printk(KERN_ERR, phba->shost, "beiscsi_dev_probe-" "Failed to allocate work queue\n"); @@ -3244,11 +3773,16 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev, INIT_WORK(&phba->work_cqs, beiscsi_process_all_cqs); + phwi_ctrlr = phba->phwi_ctrlr; + phwi_context = phwi_ctrlr->phwi_ctxt; if (blk_iopoll_enabled) { - blk_iopoll_init(&phba->iopoll, be_iopoll_budget, be_iopoll); - blk_iopoll_enable(&phba->iopoll); + for (i = 0; i < phba->num_cpus; i++) { + pbe_eq = &phwi_context->be_eq[i]; + blk_iopoll_init(&pbe_eq->iopoll, be_iopoll_budget, + be_iopoll); + blk_iopoll_enable(&pbe_eq->iopoll); + } } - ret = beiscsi_init_irqs(phba); if (ret < 0) { shost_printk(KERN_ERR, phba->shost, "beiscsi_dev_probe-" @@ -3261,17 +3795,26 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev, "Failed to hwi_enable_intr\n"); goto free_ctrlr; } - SE_DEBUG(DBG_LVL_8, "\n\n\n SUCCESS - DRIVER LOADED \n\n\n"); return 0; free_ctrlr: - if (phba->pcidev->irq) - free_irq(phba->pcidev->irq, phba); + if (phba->msix_enabled) { + for (i = 0; i <= phba->num_cpus; i++) { + msix_vec = phba->msix_entries[i].vector; + free_irq(msix_vec, &phwi_context->be_eq[i]); + } + } else + if (phba->pcidev->irq) + free_irq(phba->pcidev->irq, phba); + pci_disable_msix(phba->pcidev); free_blkenbld: destroy_workqueue(phba->wq); if (blk_iopoll_enabled) - blk_iopoll_disable(&phba->iopoll); + for (i = 0; i < phba->num_cpus; i++) { + pbe_eq = &phwi_context->be_eq[i]; + blk_iopoll_disable(&pbe_eq->iopoll); + } free_twq: beiscsi_clean_port(phba); beiscsi_free_mem(phba); @@ -3316,7 +3859,7 @@ struct iscsi_transport beiscsi_iscsi_transport = { ISCSI_USERNAME | ISCSI_PASSWORD | ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN | ISCSI_FAST_ABORT | ISCSI_ABORT_TMO | - ISCSI_LU_RESET_TMO | + ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO | ISCSI_PING_TMO | ISCSI_RECV_TMO | ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME, .host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS | @@ -3351,6 +3894,7 @@ static struct pci_driver beiscsi_pci_driver = { .id_table = beiscsi_pci_id_table }; + static int __init beiscsi_module_init(void) { int ret; @@ -3373,6 +3917,7 @@ static int __init beiscsi_module_init(void) "beiscsi pci driver.\n"); goto unregister_iscsi_transport; } + ring_mode = 0; return 0; unregister_iscsi_transport: diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h index 53c9b70ac7ac..25e6b208b771 100644 --- a/drivers/scsi/be2iscsi/be_main.h +++ b/drivers/scsi/be2iscsi/be_main.h @@ -21,11 +21,9 @@ #ifndef _BEISCSI_MAIN_ #define _BEISCSI_MAIN_ - #include <linux/kernel.h> #include <linux/pci.h> #include <linux/in.h> -#include <linux/blk-iopoll.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> @@ -35,12 +33,8 @@ #include <scsi/scsi_transport_iscsi.h> #include "be.h" - - - #define DRV_NAME "be2iscsi" #define BUILD_STR "2.0.527.0" - #define BE_NAME "ServerEngines BladeEngine2" \ "Linux iSCSI Driver version" BUILD_STR #define DRV_DESC BE_NAME " " "Driver" @@ -49,6 +43,8 @@ #define BE_DEVICE_ID1 0x212 #define OC_DEVICE_ID1 0x702 #define OC_DEVICE_ID2 0x703 +#define OC_DEVICE_ID3 0x712 +#define OC_DEVICE_ID4 0x222 #define BE2_MAX_SESSIONS 64 #define BE2_CMDS_PER_CXN 128 @@ -63,6 +59,7 @@ #define BE2_IO_DEPTH \ (BE2_MAX_ICDS / 2 - (BE2_LOGOUTS + BE2_TMFS + BE2_NOPOUT_REQ)) +#define MAX_CPUS 31 #define BEISCSI_SGLIST_ELEMENTS BE2_SGE #define BEISCSI_MAX_CMNDS 1024 /* Max IO's per Ctrlr sht->can_queue */ @@ -79,7 +76,7 @@ #define BE_SENSE_INFO_SIZE 258 #define BE_ISCSI_PDU_HEADER_SIZE 64 #define BE_MIN_MEM_SIZE 16384 - +#define MAX_CMD_SZ 65536 #define IIOC_SCSI_DATA 0x05 /* Write Operation */ #define DBG_LVL 0x00000001 @@ -100,6 +97,8 @@ do { \ } \ } while (0); +#define BE_ADAPTER_UP 0x00000000 +#define BE_ADAPTER_LINK_DOWN 0x00000001 /** * hardware needs the async PDU buffers to be posted in multiples of 8 * So have atleast 8 of them by default @@ -160,21 +159,19 @@ do { \ enum be_mem_enum { HWI_MEM_ADDN_CONTEXT, - HWI_MEM_CQ, - HWI_MEM_EQ, HWI_MEM_WRB, HWI_MEM_WRBH, - HWI_MEM_SGLH, /* 5 */ + HWI_MEM_SGLH, HWI_MEM_SGE, - HWI_MEM_ASYNC_HEADER_BUF, + HWI_MEM_ASYNC_HEADER_BUF, /* 5 */ HWI_MEM_ASYNC_DATA_BUF, HWI_MEM_ASYNC_HEADER_RING, - HWI_MEM_ASYNC_DATA_RING, /* 10 */ + HWI_MEM_ASYNC_DATA_RING, HWI_MEM_ASYNC_HEADER_HANDLE, - HWI_MEM_ASYNC_DATA_HANDLE, + HWI_MEM_ASYNC_DATA_HANDLE, /* 10 */ HWI_MEM_ASYNC_PDU_CONTEXT, ISCSI_MEM_GLOBAL_HEADER, - SE_MEM_MAX /* 15 */ + SE_MEM_MAX }; struct be_bus_address32 { @@ -212,6 +209,9 @@ struct be_mem_descriptor { struct sgl_handle { unsigned int sgl_index; + unsigned int type; + unsigned int cid; + struct iscsi_task *task; struct iscsi_sge *pfrag; }; @@ -274,13 +274,17 @@ struct beiscsi_hba { struct pci_dev *pcidev; unsigned int state; unsigned short asic_revision; - struct blk_iopoll iopoll; + unsigned int num_cpus; + unsigned int nxt_cqid; + struct msix_entry msix_entries[MAX_CPUS + 1]; + bool msix_enabled; struct be_mem_descriptor *init_mem; unsigned short io_sgl_alloc_index; unsigned short io_sgl_free_index; unsigned short io_sgl_hndl_avbl; struct sgl_handle **io_sgl_hndl_base; + struct sgl_handle **sgl_hndl_array; unsigned short eh_sgl_alloc_index; unsigned short eh_sgl_free_index; @@ -315,6 +319,7 @@ struct beiscsi_hba { unsigned short cid_alloc; unsigned short cid_free; unsigned short avlbl_cids; + unsigned short iscsi_features; spinlock_t cid_lock; } fw_config; @@ -343,6 +348,7 @@ struct beiscsi_conn { unsigned short login_in_progress; struct sgl_handle *plogin_sgl_handle; struct beiscsi_session *beiscsi_sess; + struct iscsi_task *task; }; /* This structure is used by the chip */ @@ -390,7 +396,7 @@ struct beiscsi_io_task { unsigned int flags; unsigned short cid; unsigned short header_len; - + itt_t libiscsi_itt; struct be_cmd_bhs *cmd_bhs; struct be_bus_address bhs_pa; unsigned short bhs_len; @@ -599,7 +605,6 @@ struct amap_cq_db { void beiscsi_process_eq(struct beiscsi_hba *phba); - struct iscsi_wrb { u32 dw[16]; } __packed; @@ -820,10 +825,12 @@ struct wrb_handle { }; struct hwi_context_memory { - struct be_eq_obj be_eq; - struct be_queue_info be_cq; - struct be_queue_info be_mcc_cq; - struct be_queue_info be_mcc; + /* Adaptive interrupt coalescing (AIC) info */ + u16 min_eqd; /* in usecs */ + u16 max_eqd; /* in usecs */ + u16 cur_eqd; /* in usecs */ + struct be_eq_obj be_eq[MAX_CPUS]; + struct be_queue_info be_cq[MAX_CPUS]; struct be_queue_info be_def_hdrq; struct be_queue_info be_def_dataq; diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c index 12e644fc746e..79c2bd525a84 100644 --- a/drivers/scsi/be2iscsi/be_mgmt.c +++ b/drivers/scsi/be2iscsi/be_mgmt.c @@ -35,7 +35,6 @@ unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl, be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req)); - status = be_mbox_notify(ctrl); if (!status) { struct be_fw_cfg *pfw_cfg; @@ -58,7 +57,8 @@ unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl, return status; } -unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl) +unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl, + struct beiscsi_hba *phba) { struct be_dma_mem nonemb_cmd; struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); @@ -85,7 +85,6 @@ unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl) sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma)); sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF); sge->len = cpu_to_le32(nonemb_cmd.size); - status = be_mbox_notify(ctrl); if (!status) { struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va; @@ -95,21 +94,25 @@ unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl) resp->params.hba_attribs.firmware_version_string); SE_DEBUG(DBG_LVL_8, "Developer Build, not performing version check...\n"); - + phba->fw_config.iscsi_features = + resp->params.hba_attribs.iscsi_features; + SE_DEBUG(DBG_LVL_8, " phba->fw_config.iscsi_features = %d\n", + phba->fw_config.iscsi_features); } else SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n"); + spin_unlock(&ctrl->mbox_lock); if (nonemb_cmd.va) pci_free_consistent(ctrl->pdev, nonemb_cmd.size, nonemb_cmd.va, nonemb_cmd.dma); - spin_unlock(&ctrl->mbox_lock); return status; } + unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute) { struct be_ctrl_info *ctrl = &phba->ctrl; - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); + struct be_mcc_wrb *wrb = wrb_from_mccq(phba); struct iscsi_cleanup_req *req = embedded_payload(wrb); int status = 0; @@ -124,7 +127,7 @@ unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute) req->hdr_ring_id = 0; req->data_ring_id = 0; - status = be_mbox_notify(ctrl); + status = be_mcc_notify_wait(phba); if (status) shost_printk(KERN_WARNING, phba->shost, " mgmt_epfw_cleanup , FAILED\n"); @@ -137,7 +140,7 @@ unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba, { struct be_dma_mem nonemb_cmd; struct be_ctrl_info *ctrl = &phba->ctrl; - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); + struct be_mcc_wrb *wrb = wrb_from_mccq(phba); struct be_sge *sge = nonembedded_sgl(wrb); struct invalidate_commands_params_in *req; int status = 0; @@ -169,7 +172,7 @@ unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba, sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF); sge->len = cpu_to_le32(nonemb_cmd.size); - status = be_mbox_notify(ctrl); + status = be_mcc_notify_wait(phba); if (status) SE_DEBUG(DBG_LVL_1, "ICDS Invalidation Failed\n"); spin_unlock(&ctrl->mbox_lock); @@ -186,7 +189,7 @@ unsigned char mgmt_invalidate_connection(struct beiscsi_hba *phba, unsigned short savecfg_flag) { struct be_ctrl_info *ctrl = &phba->ctrl; - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); + struct be_mcc_wrb *wrb = wrb_from_mccq(phba); struct iscsi_invalidate_connection_params_in *req = embedded_payload(wrb); int status = 0; @@ -205,7 +208,7 @@ unsigned char mgmt_invalidate_connection(struct beiscsi_hba *phba, else req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE; req->save_cfg = savecfg_flag; - status = be_mbox_notify(ctrl); + status = be_mcc_notify_wait(phba); if (status) SE_DEBUG(DBG_LVL_1, "Invalidation Failed\n"); @@ -217,7 +220,7 @@ unsigned char mgmt_upload_connection(struct beiscsi_hba *phba, unsigned short cid, unsigned int upload_flag) { struct be_ctrl_info *ctrl = &phba->ctrl; - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); + struct be_mcc_wrb *wrb = wrb_from_mccq(phba); struct tcp_upload_params_in *req = embedded_payload(wrb); int status = 0; @@ -229,7 +232,7 @@ unsigned char mgmt_upload_connection(struct beiscsi_hba *phba, OPCODE_COMMON_TCP_UPLOAD, sizeof(*req)); req->id = (unsigned short)cid; req->upload_type = (unsigned char)upload_flag; - status = be_mbox_notify(ctrl); + status = be_mcc_notify_wait(phba); if (status) SE_DEBUG(DBG_LVL_1, "mgmt_upload_connection Failed\n"); spin_unlock(&ctrl->mbox_lock); @@ -245,13 +248,14 @@ int mgmt_open_connection(struct beiscsi_hba *phba, struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr; struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr; struct be_ctrl_info *ctrl = &phba->ctrl; - struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); + struct be_mcc_wrb *wrb = wrb_from_mccq(phba); struct tcp_connect_and_offload_in *req = embedded_payload(wrb); unsigned short def_hdr_id; unsigned short def_data_id; struct phys_addr template_address = { 0, 0 }; struct phys_addr *ptemplate_address; int status = 0; + unsigned int i; unsigned short cid = beiscsi_ep->ep_cid; phwi_ctrlr = phba->phwi_ctrlr; @@ -296,14 +300,18 @@ int mgmt_open_connection(struct beiscsi_hba *phba, } req->cid = cid; - req->cq_id = phwi_context->be_cq.id; + i = phba->nxt_cqid++; + if (phba->nxt_cqid == phba->num_cpus) + phba->nxt_cqid = 0; + req->cq_id = phwi_context->be_cq[i].id; + SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d \n", i, req->cq_id); req->defq_id = def_hdr_id; req->hdr_ring_id = def_hdr_id; req->data_ring_id = def_data_id; req->do_offload = 1; req->dataout_template_pa.lo = ptemplate_address->lo; req->dataout_template_pa.hi = ptemplate_address->hi; - status = be_mbox_notify(ctrl); + status = be_mcc_notify_wait(phba); if (!status) { struct iscsi_endpoint *ep; struct tcp_connect_and_offload_out *ptcpcnct_out = @@ -311,7 +319,7 @@ int mgmt_open_connection(struct beiscsi_hba *phba, ep = phba->ep_array[ptcpcnct_out->cid]; beiscsi_ep = ep->dd_data; - beiscsi_ep->fw_handle = 0; + beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle; beiscsi_ep->cid_vld = 1; SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n"); } else @@ -319,3 +327,30 @@ int mgmt_open_connection(struct beiscsi_hba *phba, spin_unlock(&ctrl->mbox_lock); return status; } + +int be_cmd_get_mac_addr(struct beiscsi_hba *phba, u8 *mac_addr) +{ + struct be_ctrl_info *ctrl = &phba->ctrl; + struct be_mcc_wrb *wrb = wrb_from_mccq(phba); + struct be_cmd_req_get_mac_addr *req = embedded_payload(wrb); + int status; + + SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n"); + spin_lock(&ctrl->mbox_lock); + memset(wrb, 0, sizeof(*wrb)); + be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); + be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, + OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG, + sizeof(*req)); + + status = be_mcc_notify_wait(phba); + if (!status) { + struct be_cmd_resp_get_mac_addr *resp = embedded_payload(wrb); + + memcpy(mac_addr, resp->mac_address, ETH_ALEN); + } + + spin_unlock(&ctrl->mbox_lock); + return status; +} + diff --git a/drivers/scsi/be2iscsi/be_mgmt.h b/drivers/scsi/be2iscsi/be_mgmt.h index 00e816ee8070..24eaff923f85 100644 --- a/drivers/scsi/be2iscsi/be_mgmt.h +++ b/drivers/scsi/be2iscsi/be_mgmt.h @@ -175,7 +175,9 @@ struct mgmt_hba_attributes { u8 phy_port; u32 firmware_post_status; u32 hba_mtu[8]; - u32 future_u32[4]; + u8 iscsi_features; + u8 future_u8[3]; + u32 future_u32[3]; } __packed; struct mgmt_controller_attributes { @@ -246,4 +248,8 @@ unsigned char mgmt_invalidate_connection(struct beiscsi_hba *phba, unsigned short cid, unsigned short issue_reset, unsigned short savecfg_flag); + +unsigned char mgmt_fw_cmd(struct be_ctrl_info *ctrl, + struct beiscsi_hba *phba, + char *buf, unsigned int len); #endif |