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path: root/drivers/scsi/bfa/bfa_fcs_lport.c
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Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs_lport.c')
-rw-r--r--drivers/scsi/bfa/bfa_fcs_lport.c155
1 files changed, 145 insertions, 10 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index 3b75f6fb2de1..1224d0462a49 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -23,6 +23,34 @@
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);
@@ -5621,6 +5747,15 @@ bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
}
/*
+ * 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
*/