]> Pileus Git - ~andy/linux/blobdiff - drivers/scsi/be2iscsi/be_main.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[~andy/linux] / drivers / scsi / be2iscsi / be_main.c
index 7436c5ad569706261c02fd7d7d95f793cedfcb1b..8220bde6c04c6f5aebae94e74b3c7ffd72f16d57 100644 (file)
@@ -26,6 +26,7 @@
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/semaphore.h>
+#include <linux/iscsi_boot_sysfs.h>
 
 #include <scsi/libiscsi.h>
 #include <scsi/scsi_transport_iscsi.h>
@@ -211,6 +212,218 @@ unlock:
        return rc;
 }
 
+static ssize_t beiscsi_show_boot_tgt_info(void *data, int type, char *buf)
+{
+       struct beiscsi_hba *phba = data;
+       char *str = buf;
+       int rc;
+
+       switch (type) {
+       case ISCSI_BOOT_TGT_NAME:
+               rc = sprintf(buf, "%.*s\n",
+                               (int)strlen(phba->boot_sess.target_name),
+                               (char *)&phba->boot_sess.target_name);
+               break;
+       case ISCSI_BOOT_TGT_IP_ADDR:
+               if (phba->boot_sess.conn_list[0].dest_ipaddr.ip_type == 0x1)
+                       rc = sprintf(buf, "%pI4\n",
+                               (char *)&phba->boot_sess.conn_list[0].
+                               dest_ipaddr.ip_address);
+               else
+                       rc = sprintf(str, "%pI6\n",
+                               (char *)&phba->boot_sess.conn_list[0].
+                               dest_ipaddr.ip_address);
+               break;
+       case ISCSI_BOOT_TGT_PORT:
+               rc = sprintf(str, "%d\n", phba->boot_sess.conn_list[0].
+                                 dest_port);
+               break;
+
+       case ISCSI_BOOT_TGT_CHAP_NAME:
+               rc = sprintf(str,  "%.*s\n",
+                                     phba->boot_sess.conn_list[0].
+                                     negotiated_login_options.auth_data.chap.
+                                     target_chap_name_length,
+                                     (char *)&phba->boot_sess.conn_list[0].
+                                     negotiated_login_options.auth_data.chap.
+                                     target_chap_name);
+               break;
+       case ISCSI_BOOT_TGT_CHAP_SECRET:
+               rc = sprintf(str,  "%.*s\n",
+                                     phba->boot_sess.conn_list[0].
+                                     negotiated_login_options.auth_data.chap.
+                                     target_secret_length,
+                                     (char *)&phba->boot_sess.conn_list[0].
+                                     negotiated_login_options.auth_data.chap.
+                                     target_secret);
+
+               break;
+       case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+               rc = sprintf(str,  "%.*s\n",
+                                     phba->boot_sess.conn_list[0].
+                                     negotiated_login_options.auth_data.chap.
+                                     intr_chap_name_length,
+                                     (char *)&phba->boot_sess.conn_list[0].
+                                     negotiated_login_options.auth_data.chap.
+                                     intr_chap_name);
+
+               break;
+       case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+                       rc = sprintf(str,  "%.*s\n",
+                                     phba->boot_sess.conn_list[0].
+                                     negotiated_login_options.auth_data.chap.
+                                     intr_secret_length,
+                                     (char *)&phba->boot_sess.conn_list[0].
+                                     negotiated_login_options.auth_data.chap.
+                                     intr_secret);
+               break;
+       case ISCSI_BOOT_TGT_FLAGS:
+                       rc = sprintf(str, "2\n");
+               break;
+       case ISCSI_BOOT_TGT_NIC_ASSOC:
+                       rc = sprintf(str, "0\n");
+               break;
+       default:
+               rc = -ENOSYS;
+               break;
+       }
+       return rc;
+}
+
+static ssize_t beiscsi_show_boot_ini_info(void *data, int type, char *buf)
+{
+       struct beiscsi_hba *phba = data;
+       char *str = buf;
+       int rc;
+
+       switch (type) {
+       case ISCSI_BOOT_INI_INITIATOR_NAME:
+               rc = sprintf(str, "%s\n", phba->boot_sess.initiator_iscsiname);
+               break;
+       default:
+               rc = -ENOSYS;
+               break;
+       }
+       return rc;
+}
+
+static ssize_t beiscsi_show_boot_eth_info(void *data, int type, char *buf)
+{
+       struct beiscsi_hba *phba = data;
+       char *str = buf;
+       int rc;
+
+       switch (type) {
+       case ISCSI_BOOT_ETH_FLAGS:
+                       rc = sprintf(str, "2\n");
+               break;
+       case ISCSI_BOOT_ETH_INDEX:
+                       rc = sprintf(str, "0\n");
+               break;
+       case ISCSI_BOOT_ETH_MAC:
+               rc  = beiscsi_get_macaddr(buf, phba);
+               if (rc < 0) {
+                       SE_DEBUG(DBG_LVL_1, "beiscsi_get_macaddr Failed\n");
+                       return rc;
+               }
+       break;
+       default:
+               rc = -ENOSYS;
+               break;
+       }
+       return rc;
+}
+
+
+static mode_t beiscsi_tgt_get_attr_visibility(void *data, int type)
+{
+       int rc;
+
+       switch (type) {
+       case ISCSI_BOOT_TGT_NAME:
+       case ISCSI_BOOT_TGT_IP_ADDR:
+       case ISCSI_BOOT_TGT_PORT:
+       case ISCSI_BOOT_TGT_CHAP_NAME:
+       case ISCSI_BOOT_TGT_CHAP_SECRET:
+       case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+       case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+       case ISCSI_BOOT_TGT_NIC_ASSOC:
+       case ISCSI_BOOT_TGT_FLAGS:
+               rc = S_IRUGO;
+               break;
+       default:
+               rc = 0;
+               break;
+       }
+       return rc;
+}
+
+static mode_t beiscsi_ini_get_attr_visibility(void *data, int type)
+{
+       int rc;
+
+       switch (type) {
+       case ISCSI_BOOT_INI_INITIATOR_NAME:
+               rc = S_IRUGO;
+               break;
+       default:
+               rc = 0;
+               break;
+       }
+       return rc;
+}
+
+
+static mode_t beiscsi_eth_get_attr_visibility(void *data, int type)
+{
+       int rc;
+
+       switch (type) {
+       case ISCSI_BOOT_ETH_FLAGS:
+       case ISCSI_BOOT_ETH_MAC:
+       case ISCSI_BOOT_ETH_INDEX:
+               rc = S_IRUGO;
+               break;
+       default:
+               rc = 0;
+               break;
+       }
+       return rc;
+}
+
+static int beiscsi_setup_boot_info(struct beiscsi_hba *phba)
+{
+       struct iscsi_boot_kobj *boot_kobj;
+
+       phba->boot_kset = iscsi_boot_create_host_kset(phba->shost->host_no);
+       if (!phba->boot_kset)
+               return -ENOMEM;
+
+       /* get boot info using mgmt cmd */
+       boot_kobj = iscsi_boot_create_target(phba->boot_kset, 0, phba,
+                                            beiscsi_show_boot_tgt_info,
+                                            beiscsi_tgt_get_attr_visibility);
+       if (!boot_kobj)
+               goto free_kset;
+
+       boot_kobj = iscsi_boot_create_initiator(phba->boot_kset, 0, phba,
+                                            beiscsi_show_boot_ini_info,
+                                            beiscsi_ini_get_attr_visibility);
+       if (!boot_kobj)
+               goto free_kset;
+
+       boot_kobj = iscsi_boot_create_ethernet(phba->boot_kset, 0, phba,
+                                            beiscsi_show_boot_eth_info,
+                                            beiscsi_eth_get_attr_visibility);
+       if (!boot_kobj)
+               goto free_kset;
+       return 0;
+
+free_kset:
+       iscsi_boot_destroy_kset(phba->boot_kset);
+       return -ENOMEM;
+}
+
 /*------------------- PCI Driver operations and data ----------------- */
 static DEFINE_PCI_DEVICE_TABLE(beiscsi_pci_id_table) = {
        { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) },
@@ -268,6 +481,15 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev)
 
        if (iscsi_host_add(shost, &phba->pcidev->dev))
                goto free_devices;
+
+       if (beiscsi_setup_boot_info(phba))
+               /*
+                * log error but continue, because we may not be using
+                * iscsi boot.
+                */
+               shost_printk(KERN_ERR, phba->shost, "Could not set up "
+               "iSCSI boot info.");
+
        return phba;
 
 free_devices:
@@ -3279,6 +3501,89 @@ static void hwi_disable_intr(struct beiscsi_hba *phba)
                             "In hwi_disable_intr, Already Disabled\n");
 }
 
+static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
+{
+       struct be_cmd_resp_get_boot_target *boot_resp;
+       struct be_cmd_resp_get_session *session_resp;
+       struct be_mcc_wrb *wrb;
+       struct be_dma_mem nonemb_cmd;
+       unsigned int tag, wrb_num;
+       unsigned short status, extd_status;
+       struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
+
+       tag = beiscsi_get_boot_target(phba);
+       if (!tag) {
+               SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed\n");
+               return -EAGAIN;
+       } else
+               wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+                                        phba->ctrl.mcc_numtag[tag]);
+
+       wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
+       extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
+       status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
+       if (status || extd_status) {
+               SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed"
+                                   " status = %d extd_status = %d\n",
+                                   status, extd_status);
+               free_mcc_tag(&phba->ctrl, tag);
+               return -EBUSY;
+       }
+       wrb = queue_get_wrb(mccq, wrb_num);
+       free_mcc_tag(&phba->ctrl, tag);
+       boot_resp = embedded_payload(wrb);
+
+       if (boot_resp->boot_session_handle < 0) {
+               printk(KERN_ERR "No Boot Session for this pci_func,"
+                       "session Hndl = %d\n", boot_resp->boot_session_handle);
+               return -ENXIO;
+       }
+
+       nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
+                               sizeof(*session_resp),
+                               &nonemb_cmd.dma);
+       if (nonemb_cmd.va == NULL) {
+               SE_DEBUG(DBG_LVL_1,
+                        "Failed to allocate memory for"
+                        "beiscsi_get_session_info\n");
+               return -ENOMEM;
+       }
+
+       memset(nonemb_cmd.va, 0, sizeof(*session_resp));
+       tag = beiscsi_get_session_info(phba,
+               boot_resp->boot_session_handle, &nonemb_cmd);
+       if (!tag) {
+               SE_DEBUG(DBG_LVL_1, "beiscsi_get_session_info"
+                       " Failed\n");
+               goto boot_freemem;
+       } else
+               wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+                                        phba->ctrl.mcc_numtag[tag]);
+
+       wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
+       extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
+       status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
+       if (status || extd_status) {
+               SE_DEBUG(DBG_LVL_1, "beiscsi_get_session_info Failed"
+                                   " status = %d extd_status = %d\n",
+                                   status, extd_status);
+               free_mcc_tag(&phba->ctrl, tag);
+               goto boot_freemem;
+       }
+       wrb = queue_get_wrb(mccq, wrb_num);
+       free_mcc_tag(&phba->ctrl, tag);
+       session_resp = nonemb_cmd.va ;
+       memcpy(&phba->boot_sess, &session_resp->session_info,
+              sizeof(struct mgmt_session_info));
+       pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
+                   nonemb_cmd.va, nonemb_cmd.dma);
+       return 0;
+boot_freemem:
+       pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
+                   nonemb_cmd.va, nonemb_cmd.dma);
+       return -ENOMEM;
+}
+
 static int beiscsi_init_port(struct beiscsi_hba *phba)
 {
        int ret;
@@ -3841,6 +4146,7 @@ static void beiscsi_remove(struct pci_dev *pcidev)
        iscsi_host_remove(phba->shost);
        pci_dev_put(phba->pcidev);
        iscsi_host_free(phba->shost);
+       iscsi_boot_destroy_kset(phba->boot_kset);
 }
 
 static void beiscsi_msix_enable(struct beiscsi_hba *phba)
@@ -3996,6 +4302,11 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
                goto free_blkenbld;
        }
        hwi_enable_intr(phba);
+       ret = beiscsi_get_boot_info(phba);
+       if (ret < 0) {
+               shost_printk(KERN_ERR, phba->shost, "beiscsi_dev_probe-"
+                            "No Boot Devices !!!!!\n");
+       }
        SE_DEBUG(DBG_LVL_8, "\n\n\n SUCCESS - DRIVER LOADED\n\n\n");
        return 0;