{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
- struct qla_hw_data *ha = vha->hw;
- uint16_t iter, addr, offset;
int rval;
- if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
+ if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE)
return 0;
- if (ha->sfp_data)
- goto do_read;
-
- ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
- &ha->sfp_data_dma);
- if (!ha->sfp_data) {
- ql_log(ql_log_warn, vha, 0x706c,
- "Unable to allocate memory for SFP read-data.\n");
+ if (qla2x00_reset_active(vha))
return 0;
- }
-
-do_read:
- memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
- addr = 0xa0;
- for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
- iter++, offset += SFP_BLOCK_SIZE) {
- if (iter == 4) {
- /* Skip to next device address. */
- addr = 0xa2;
- offset = 0;
- }
-
- rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
- addr, offset, SFP_BLOCK_SIZE, BIT_1);
- if (rval != QLA_SUCCESS) {
- ql_log(ql_log_warn, vha, 0x706d,
- "Unable to read SFP data (%x/%x/%x).\n", rval,
- addr, offset);
- return -EIO;
- }
- memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
- buf += SFP_BLOCK_SIZE;
- }
+ rval = qla2x00_read_sfp_dev(vha, buf, count);
+ if (rval)
+ return -EIO;
return count;
}
.name = "sfp",
.mode = S_IRUSR | S_IWUSR,
},
- .size = SFP_DEV_SIZE * 2,
+ .size = SFP_DEV_SIZE,
.read = qla2x00_sysfs_read_sfp,
};
uint32_t n2n_ae:1;
uint32_t fw_started:1;
uint32_t fw_init_done:1;
+
+ uint32_t detected_lr_sfp:1;
+ uint32_t using_lr_setting:1;
} flags;
+ u8 long_range_distance; /* 32G & above */
+#define LR_DISTANCE_5K 1
+#define LR_DISTANCE_10K 0
+
/* This spinlock is used to protect "io transactions", you must
* acquire it before doing any IO to the card, eg with RD_REG*() and
* WRT_REG*() for the duration of your entire commandtransaction.
struct sns_cmd_pkt *sns_cmd;
dma_addr_t sns_cmd_dma;
-#define SFP_DEV_SIZE 256
+#define SFP_DEV_SIZE 512
#define SFP_BLOCK_SIZE 64
void *sfp_data;
dma_addr_t sfp_data_dma;
#define FX00_HOST_INFO_RESEND 26
#define QPAIR_ONLINE_CHECK_NEEDED 27
#define SET_ZIO_THRESHOLD_NEEDED 28
+#define DETECT_SFP_CHANGE 29
unsigned long pci_flags;
#define PFLG_DISCONNECTED 0 /* PCI device removed */
WAIT_LUN,
};
+/* Refer to SNIA SFF 8247 */
+struct sff_8247_a0 {
+ u8 txid; /* transceiver id */
+ u8 ext_txid;
+ u8 connector;
+ /* compliance code */
+ u8 eth_infi_cc3; /* ethernet, inifiband */
+ u8 sonet_cc4[2];
+ u8 eth_cc6;
+ /* link length */
+#define FC_LL_VL BIT_7 /* very long */
+#define FC_LL_S BIT_6 /* Short */
+#define FC_LL_I BIT_5 /* Intermidiate*/
+#define FC_LL_L BIT_4 /* Long */
+#define FC_LL_M BIT_3 /* Medium */
+#define FC_LL_SA BIT_2 /* ShortWave laser */
+#define FC_LL_LC BIT_1 /* LongWave laser */
+#define FC_LL_EL BIT_0 /* Electrical inter enclosure */
+ u8 fc_ll_cc7;
+ /* FC technology */
+#define FC_TEC_EL BIT_7 /* Electrical inter enclosure */
+#define FC_TEC_SN BIT_6 /* short wave w/o OFC */
+#define FC_TEC_SL BIT_5 /* short wave with OFC */
+#define FC_TEC_LL BIT_4 /* Longwave Laser */
+#define FC_TEC_ACT BIT_3 /* Active cable */
+#define FC_TEC_PAS BIT_2 /* Passive cable */
+ u8 fc_tec_cc8;
+ /* Transmission Media */
+#define FC_MED_TW BIT_7 /* Twin Ax */
+#define FC_MED_TP BIT_6 /* Twited Pair */
+#define FC_MED_MI BIT_5 /* Min Coax */
+#define FC_MED_TV BIT_4 /* Video Coax */
+#define FC_MED_M6 BIT_3 /* Multimode, 62.5um */
+#define FC_MED_M5 BIT_2 /* Multimode, 50um */
+#define FC_MED_SM BIT_0 /* Single Mode */
+ u8 fc_med_cc9;
+ /* speed FC_SP_12: 12*100M = 1200 MB/s */
+#define FC_SP_12 BIT_7
+#define FC_SP_8 BIT_6
+#define FC_SP_16 BIT_5
+#define FC_SP_4 BIT_4
+#define FC_SP_32 BIT_3
+#define FC_SP_2 BIT_2
+#define FC_SP_1 BIT_0
+ u8 fc_sp_cc10;
+ u8 encode;
+ u8 bitrate;
+ u8 rate_id;
+ u8 length_km; /* offset 14/eh */
+ u8 length_100m;
+ u8 length_50um_10m;
+ u8 length_62um_10m;
+ u8 length_om4_10m;
+ u8 length_om3_10m;
+#define SFF_VEN_NAME_LEN 16
+ u8 vendor_name[SFF_VEN_NAME_LEN]; /* offset 20/14h */
+ u8 tx_compat;
+ u8 vendor_oui[3];
+#define SFF_PART_NAME_LEN 16
+ u8 vendor_pn[SFF_PART_NAME_LEN]; /* part number */
+ u8 vendor_rev[4];
+ u8 wavelength[2];
+ u8 resv;
+ u8 cc_base;
+ u8 options[2]; /* offset 64 */
+ u8 br_max;
+ u8 br_min;
+ u8 vendor_sn[16];
+ u8 date_code[8];
+ u8 diag;
+ u8 enh_options;
+ u8 sff_revision;
+ u8 cc_ext;
+ u8 vendor_specific[32];
+ u8 resv2[128];
+};
+
+#define AUTO_DETECT_SFP_SUPPORT(_vha)\
+ (ql2xautodetectsfp && !_vha->vp_idx && \
+ (IS_QLA25XX(_vha->hw) || IS_QLA81XX(_vha->hw) ||\
+ IS_QLA83XX(_vha->hw) || IS_QLA27XX(_vha->hw)))
+
#define USER_CTRL_IRQ(_ha) (ql2xuctrlirq && QLA_TGT_MODE_ENABLED() && \
(IS_QLA27XX(_ha) || IS_QLA83XX(_ha)))
int qla24xx_post_newsess_work(struct scsi_qla_host *, port_id_t *, u8 *,
void *);
int qla24xx_fcport_handle_login(struct scsi_qla_host *, fc_port_t *);
+int qla24xx_detect_sfp(scsi_qla_host_t *vha);
/*
* Global Data in qla_os.c source file.
extern int ql2xmvasynctoatio;
extern int ql2xuctrlirq;
extern int ql2xnvmeenable;
+extern int ql2xautodetectsfp;
extern int qla2x00_loop_reset(scsi_qla_host_t *);
extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
extern void qla82xx_clear_pending_mbx(scsi_qla_host_t *);
extern int qla82xx_read_temperature(scsi_qla_host_t *);
extern int qla8044_read_temperature(scsi_qla_host_t *);
+extern int qla2x00_read_sfp_dev(struct scsi_qla_host *, char *, int);
/* BSG related functions */
extern int qla24xx_bsg_request(struct bsg_job *);
return QLA_SUCCESS;
}
+#define PRINT_FIELD(_field, _flag, _str) { \
+ if (a0->_field & _flag) {\
+ if (p) {\
+ strcat(ptr, "|");\
+ ptr++;\
+ leftover--;\
+ } \
+ len = snprintf(ptr, leftover, "%s", _str); \
+ p = 1;\
+ leftover -= len;\
+ ptr += len; \
+ } \
+}
+
+static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
+{
+#define STR_LEN 64
+ struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
+ u8 str[STR_LEN], *ptr, p;
+ int leftover, len;
+
+ memset(str, 0, STR_LEN);
+ snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
+ ql_dbg(ql_dbg_init, vha, 0x015a,
+ "SFP MFG Name: %s\n", str);
+
+ memset(str, 0, STR_LEN);
+ snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
+ ql_dbg(ql_dbg_init, vha, 0x015c,
+ "SFP Part Name: %s\n", str);
+
+ /* media */
+ memset(str, 0, STR_LEN);
+ ptr = str;
+ leftover = STR_LEN;
+ p = len = 0;
+ PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
+ PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
+ PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
+ PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
+ PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
+ PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
+ PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
+ ql_dbg(ql_dbg_init, vha, 0x0160,
+ "SFP Media: %s\n", str);
+
+ /* link length */
+ memset(str, 0, STR_LEN);
+ ptr = str;
+ leftover = STR_LEN;
+ p = len = 0;
+ PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
+ PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
+ PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
+ PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
+ PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
+ ql_dbg(ql_dbg_init, vha, 0x0196,
+ "SFP Link Length: %s\n", str);
+
+ memset(str, 0, STR_LEN);
+ ptr = str;
+ leftover = STR_LEN;
+ p = len = 0;
+ PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
+ PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
+ PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
+ PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
+ PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
+ ql_dbg(ql_dbg_init, vha, 0x016e,
+ "SFP FC Link Tech: %s\n", str);
+
+ if (a0->length_km)
+ ql_dbg(ql_dbg_init, vha, 0x016f,
+ "SFP Distant: %d km\n", a0->length_km);
+ if (a0->length_100m)
+ ql_dbg(ql_dbg_init, vha, 0x0170,
+ "SFP Distant: %d m\n", a0->length_100m*100);
+ if (a0->length_50um_10m)
+ ql_dbg(ql_dbg_init, vha, 0x0189,
+ "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
+ if (a0->length_62um_10m)
+ ql_dbg(ql_dbg_init, vha, 0x018a,
+ "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
+ if (a0->length_om4_10m)
+ ql_dbg(ql_dbg_init, vha, 0x0194,
+ "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
+ if (a0->length_om3_10m)
+ ql_dbg(ql_dbg_init, vha, 0x0195,
+ "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
+}
+
+
+/*
+ * Return Code:
+ * QLA_SUCCESS: no action
+ * QLA_INTERFACE_ERROR: SFP is not there.
+ * QLA_FUNCTION_FAILED: detected New SFP
+ */
+int
+qla24xx_detect_sfp(scsi_qla_host_t *vha)
+{
+ int rc = QLA_SUCCESS;
+ struct sff_8247_a0 *a;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!AUTO_DETECT_SFP_SUPPORT(vha))
+ goto out;
+
+ rc = qla2x00_read_sfp_dev(vha, NULL, 0);
+ if (rc)
+ goto out;
+
+ a = (struct sff_8247_a0 *)vha->hw->sfp_data;
+ qla2xxx_print_sfp_info(vha);
+
+ if (a->fc_ll_cc7 & FC_LL_VL || a->fc_ll_cc7 & FC_LL_L) {
+ /* long range */
+ ha->flags.detected_lr_sfp = 1;
+
+ if (a->length_km > 5 || a->length_100m > 50)
+ ha->long_range_distance = LR_DISTANCE_10K;
+ else
+ ha->long_range_distance = LR_DISTANCE_5K;
+
+ if (ha->flags.detected_lr_sfp != ha->flags.using_lr_setting)
+ ql_dbg(ql_dbg_async, vha, 0x507b,
+ "Detected Long Range SFP.\n");
+ } else {
+ /* short range */
+ ha->flags.detected_lr_sfp = 0;
+ if (ha->flags.using_lr_setting)
+ ql_dbg(ql_dbg_async, vha, 0x5084,
+ "Detected Short Range SFP.\n");
+ }
+
+ if (!vha->flags.init_done)
+ rc = QLA_SUCCESS;
+out:
+ return rc;
+}
+
/**
* qla2x00_setup_chip() - Load and start RISC firmware.
* @ha: HA context
rval = qla2x00_execute_fw(vha, srisc_address);
/* Retrieve firmware information. */
if (rval == QLA_SUCCESS) {
+ qla24xx_detect_sfp(vha);
+
rval = qla2x00_set_exlogins_buffer(vha);
if (rval != QLA_SUCCESS)
goto failed;
vha->flags.management_server_logged_in = 0;
qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
+
+ if (AUTO_DETECT_SFP_SUPPORT(vha)) {
+ set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ }
break;
case MBA_LOOP_DOWN: /* Loop Down Event */
{ MBC_INITIALIZE_MULTIQ },
{ MBC_IOCB_COMMAND_A64 },
{ MBC_GET_ADAPTER_LOOP_ID },
+ { MBC_READ_SFP },
};
static int is_rom_cmd(uint16_t cmd)
mcp->mb[1] = MSW(risc_addr);
mcp->mb[2] = LSW(risc_addr);
mcp->mb[3] = 0;
+ mcp->mb[4] = 0;
if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
IS_QLA27XX(ha)) {
- struct nvram_81xx *nv = ha->nvram;
- mcp->mb[4] = (nv->enhanced_features &
- EXTENDED_BB_CREDITS);
- } else
- mcp->mb[4] = 0;
+ if (ql2xautodetectsfp) {
+ if (ha->flags.detected_lr_sfp) {
+ mcp->mb[4] |= EXTENDED_BB_CREDITS;
+ if (IS_QLA27XX(ha))
+ mcp->mb[4] |=
+ (u16)ha->long_range_distance << 12;
+ ha->flags.using_lr_setting = 1;
+ }
+ } else {
+ struct nvram_81xx *nv = ha->nvram;
+
+ if (nv->enhanced_features &
+ EXTENDED_BB_CREDITS) {
+ mcp->mb[4] |= EXTENDED_BB_CREDITS;
+ ha->flags.using_lr_setting = 1;
+ }
+ }
+ } else {
+ ha->flags.using_lr_setting = 0;
+ }
if (ql2xnvmeenable && IS_QLA27XX(ha))
mcp->mb[4] |= NVME_ENABLE_FLAG;
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_mbx, vha, 0x10e9,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
+ if (mcp->mb[0] == MBS_COMMAND_ERROR &&
+ mcp->mb[1] == 0x22)
+ /* sfp is not there */
+ rval = QLA_INTERFACE_ERROR;
} else {
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ea,
"Done %s.\n", __func__);
return rval;
}
+
+int
+qla2x00_read_sfp_dev(struct scsi_qla_host *vha, char *buf, int count)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint16_t iter, addr, offset;
+ dma_addr_t phys_addr;
+ int rval, c;
+ u8 *sfp_data;
+
+ memset(ha->sfp_data, 0, SFP_DEV_SIZE);
+ addr = 0xa0;
+ phys_addr = ha->sfp_data_dma;
+ sfp_data = ha->sfp_data;
+ offset = c = 0;
+
+ for (iter = 0; iter < SFP_DEV_SIZE / SFP_BLOCK_SIZE; iter++) {
+ if (iter == 4) {
+ /* Skip to next device address. */
+ addr = 0xa2;
+ offset = 0;
+ }
+
+ rval = qla2x00_read_sfp(vha, phys_addr, sfp_data,
+ addr, offset, SFP_BLOCK_SIZE, BIT_1);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x706d,
+ "Unable to read SFP data (%x/%x/%x).\n", rval,
+ addr, offset);
+
+ return rval;
+ }
+
+ if (buf && (c < count)) {
+ u16 sz;
+
+ if ((count - c) >= SFP_BLOCK_SIZE)
+ sz = SFP_BLOCK_SIZE;
+ else
+ sz = count - c;
+
+ memcpy(buf, sfp_data, sz);
+ buf += SFP_BLOCK_SIZE;
+ c += sz;
+ }
+ phys_addr += SFP_BLOCK_SIZE;
+ sfp_data += SFP_BLOCK_SIZE;
+ offset += SFP_BLOCK_SIZE;
+ }
+
+ return rval;
+}
"0 (Default). Do not move IOCBs"
"1 - Move IOCBs.");
+int ql2xautodetectsfp = 1;
+module_param(ql2xautodetectsfp, int, 0444);
+MODULE_PARM_DESC(ql2xautodetectsfp,
+ "Detect SFP range and set appropriate distance.\n"
+ "1 (Default): Enable\n");
+
/*
* SCSI host template entry points
*/
if (test_bit(UNLOADING, &base_vha->dpc_flags))
return -ENODEV;
+ if (ha->flags.detected_lr_sfp) {
+ ql_log(ql_log_info, base_vha, 0xffff,
+ "Reset chip to pick up LR SFP setting\n");
+ set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
+ qla2xxx_wake_dpc(base_vha);
+ }
+
return 0;
probe_init_failed:
"loop_id_map=%p.\n", ha->loop_id_map);
}
+ ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
+ SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
+ if (!ha->sfp_data) {
+ ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
+ "Unable to allocate memory for SFP read-data.\n");
+ goto fail_sfp_data;
+ }
+
return 0;
+fail_sfp_data:
+ kfree(ha->loop_id_map);
fail_loop_id_map:
dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
fail_async_pd:
ha->ct_sns, ha->ct_sns_dma);
if (ha->sfp_data)
- dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
+ dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
+ ha->sfp_data_dma);
if (ha->ms_iocb)
dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
}
}
+ if (test_and_clear_bit(DETECT_SFP_CHANGE,
+ &base_vha->dpc_flags) &&
+ !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) {
+ qla24xx_detect_sfp(base_vha);
+
+ if (ha->flags.detected_lr_sfp !=
+ ha->flags.using_lr_setting)
+ set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
+ }
+
if (test_and_clear_bit(ISP_ABORT_NEEDED,
&base_vha->dpc_flags)) {
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