Merge tag 'v3.8-rc3' into v4l_for_linus
[cascardo/linux.git] / drivers / scsi / bfa / bfa_fcs_lport.c
index 3b75f6f..1224d04 100644 (file)
 
 BFA_TRC_FILE(FCS, PORT);
 
+/*
+ * ALPA to LIXA bitmap mapping
+ *
+ * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
+ * is for L_bit (login required) and is filled as ALPA 0x00 here.
+ */
+static const u8 loop_alpa_map[] = {
+       0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
+       0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
+       0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
+       0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */
+
+       0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
+       0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
+       0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
+       0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */
+
+       0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
+       0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
+       0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
+       0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */
+
+       0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
+       0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
+       0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
+       0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
+};
+
 static void     bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
                                         struct fchs_s *rx_fchs, u8 reason_code,
                                         u8 reason_code_expl);
@@ -51,6 +79,10 @@ static void  bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
 static void    bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
 static void    bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
 
+static void    bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
+static void    bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
+static void    bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);
+
 static struct {
        void            (*init) (struct bfa_fcs_lport_s *port);
        void            (*online) (struct bfa_fcs_lport_s *port);
@@ -62,7 +94,9 @@ static struct {
        bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
                        bfa_fcs_lport_fab_offline}, {
        bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
-                       bfa_fcs_lport_n2n_offline},
+                       bfa_fcs_lport_n2n_offline}, {
+       bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online,
+                       bfa_fcs_lport_loop_offline},
        };
 
 /*
@@ -1127,7 +1161,7 @@ static void
 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
 {
        bfa_fcs_lport_ns_online(port);
-       bfa_fcs_lport_scn_online(port);
+       bfa_fcs_lport_fab_scn_online(port);
 }
 
 /*
@@ -1221,6 +1255,98 @@ bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
        n2n_port->reply_oxid = 0;
 }
 
+void
+bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
+{
+       int i = 0, j = 0, bit = 0, alpa_bit = 0;
+       u8 k = 0;
+       struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
+
+       port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
+       port->pid = fcport->myalpa;
+       port->pid = bfa_hton3b(port->pid);
+
+       for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
+               for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
+                       bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
+                       bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
+                       if (bit) {
+                               port->port_topo.ploop.alpa_pos_map[k] =
+                                       loop_alpa_map[(i * 8) + alpa_bit];
+                               k++;
+                               bfa_trc(port->fcs->bfa, k);
+                               bfa_trc(port->fcs->bfa,
+                                        port->port_topo.ploop.alpa_pos_map[k]);
+                       }
+               }
+       }
+       port->port_topo.ploop.num_alpa = k;
+}
+
+/*
+ * Called by fcs/port to initialize Loop topology.
+ */
+static void
+bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
+{
+}
+
+/*
+ * Called by fcs/port to notify transition to online state.
+ */
+static void
+bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
+{
+       u8 num_alpa = 0, alpabm_valid = 0;
+       struct bfa_fcs_rport_s *rport;
+       u8 *alpa_map = NULL;
+       int i = 0;
+       u32 pid;
+
+       bfa_fcport_get_loop_attr(port);
+
+       num_alpa = port->port_topo.ploop.num_alpa;
+       alpabm_valid = port->port_topo.ploop.alpabm_valid;
+       alpa_map = port->port_topo.ploop.alpa_pos_map;
+
+       bfa_trc(port->fcs->bfa, port->pid);
+       bfa_trc(port->fcs->bfa, num_alpa);
+       if (alpabm_valid == 1) {
+               for (i = 0; i < num_alpa; i++) {
+                       bfa_trc(port->fcs->bfa, alpa_map[i]);
+                       if (alpa_map[i] != bfa_hton3b(port->pid)) {
+                               pid = alpa_map[i];
+                               bfa_trc(port->fcs->bfa, pid);
+                               rport = bfa_fcs_lport_get_rport_by_pid(port,
+                                               bfa_hton3b(pid));
+                               if (!rport)
+                                       rport = bfa_fcs_rport_create(port,
+                                               bfa_hton3b(pid));
+                       }
+               }
+       } else {
+               for (i = 0; i < MAX_ALPA_COUNT; i++) {
+                       if (alpa_map[i] != port->pid) {
+                               pid = loop_alpa_map[i];
+                               bfa_trc(port->fcs->bfa, pid);
+                               rport = bfa_fcs_lport_get_rport_by_pid(port,
+                                               bfa_hton3b(pid));
+                               if (!rport)
+                                       rport = bfa_fcs_rport_create(port,
+                                               bfa_hton3b(pid));
+                       }
+               }
+       }
+}
+
+/*
+ * Called by fcs/port to notify transition to offline state.
+ */
+static void
+bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
+{
+}
+
 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
 
 /*
@@ -1888,13 +2014,10 @@ bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
                                         sizeof(templen));
        }
 
-       /*
-        * f/w Version = driver version
-        */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
-       templen = (u16) strlen(fcs_hba_attr->driver_version);
-       memcpy(attr->value, fcs_hba_attr->driver_version, templen);
+       templen = (u16) strlen(fcs_hba_attr->fw_version);
+       memcpy(attr->value, fcs_hba_attr->fw_version, templen);
        templen = fc_roundup(templen, sizeof(u32));
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
@@ -2296,6 +2419,7 @@ bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
 {
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
+       struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
 
        memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
 
@@ -2331,7 +2455,9 @@ bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
                                sizeof(driver_info->host_os_patch));
        }
 
-       hba_attr->max_ct_pyld = cpu_to_be32(FC_MAX_PDUSZ);
+       /* Retrieve the max frame size from the port attr */
+       bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
+       hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
 }
 
 static void
@@ -2391,7 +2517,7 @@ bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
        /*
         * Max PDU Size.
         */
-       port_attr->max_frm_size = cpu_to_be32(FC_MAX_PDUSZ);
+       port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
 
        /*
         * OS device Name
@@ -5199,7 +5325,7 @@ bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
 }
 
 void
-bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *port)
+bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
 {
        struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
 
@@ -5620,6 +5746,15 @@ bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
        memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
 }
 
+/*
+ * Let new loop map create missing rports
+ */
+void
+bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
+{
+       bfa_fcs_lport_loop_online(port);
+}
+
 /*
  * FCS virtual port state machine
  */