diff options
Diffstat (limited to 'drivers/s390/cio/qdio_setup.c')
-rw-r--r-- | drivers/s390/cio/qdio_setup.c | 114 |
1 files changed, 21 insertions, 93 deletions
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index da67e4979402..20efafe47897 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -89,55 +89,6 @@ void qdio_reset_buffers(struct qdio_buffer **buf, unsigned int count) } EXPORT_SYMBOL_GPL(qdio_reset_buffers); -/* - * qebsm is only available under 64bit but the adapter sets the feature - * flag anyway, so we manually override it. - */ -static inline int qebsm_possible(void) -{ - return css_general_characteristics.qebsm; -} - -/* - * qib_param_field: pointer to 128 bytes or NULL, if no param field - * nr_input_qs: pointer to nr_queues*128 words of data or NULL - */ -static void set_impl_params(struct qdio_irq *irq_ptr, - unsigned int qib_param_field_format, - unsigned char *qib_param_field, - unsigned long *input_slib_elements, - unsigned long *output_slib_elements) -{ - struct qdio_q *q; - int i, j; - - if (!irq_ptr) - return; - - irq_ptr->qib.pfmt = qib_param_field_format; - if (qib_param_field) - memcpy(irq_ptr->qib.parm, qib_param_field, - sizeof(irq_ptr->qib.parm)); - - if (!input_slib_elements) - goto output; - - for_each_input_queue(irq_ptr, q, i) { - for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) - q->slib->slibe[j].parms = - input_slib_elements[i * QDIO_MAX_BUFFERS_PER_Q + j]; - } -output: - if (!output_slib_elements) - return; - - for_each_output_queue(irq_ptr, q, i) { - for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) - q->slib->slibe[j].parms = - output_slib_elements[i * QDIO_MAX_BUFFERS_PER_Q + j]; - } -} - static void __qdio_free_queues(struct qdio_q **queues, unsigned int count) { struct qdio_q *q; @@ -267,26 +218,9 @@ static void setup_queues(struct qdio_irq *irq_ptr, q->is_input_q = 0; setup_storage_lists(q, irq_ptr, qdio_init->output_sbal_addr_array[i], i); - - tasklet_setup(&q->u.out.tasklet, qdio_outbound_tasklet); - timer_setup(&q->u.out.timer, qdio_outbound_timer, 0); } } -static void process_ac_flags(struct qdio_irq *irq_ptr, unsigned char qdioac) -{ - if (qdioac & AC1_SIGA_INPUT_NEEDED) - irq_ptr->siga_flag.input = 1; - if (qdioac & AC1_SIGA_OUTPUT_NEEDED) - irq_ptr->siga_flag.output = 1; - if (qdioac & AC1_SIGA_SYNC_NEEDED) - irq_ptr->siga_flag.sync = 1; - if (!(qdioac & AC1_AUTOMATIC_SYNC_ON_THININT)) - irq_ptr->siga_flag.sync_after_ai = 1; - if (!(qdioac & AC1_AUTOMATIC_SYNC_ON_OUT_PCI)) - irq_ptr->siga_flag.sync_out_after_pci = 1; -} - static void check_and_setup_qebsm(struct qdio_irq *irq_ptr, unsigned char qdioac, unsigned long token) { @@ -363,7 +297,7 @@ void qdio_setup_ssqd_info(struct qdio_irq *irq_ptr) qdioac = irq_ptr->ssqd_desc.qdioac1; check_and_setup_qebsm(irq_ptr, qdioac, irq_ptr->ssqd_desc.sch_token); - process_ac_flags(irq_ptr, qdioac); + irq_ptr->qdioac1 = qdioac; DBF_EVENT("ac 1:%2x 2:%4x", qdioac, irq_ptr->ssqd_desc.qdioac2); DBF_EVENT("3:%4x qib:%4x", irq_ptr->ssqd_desc.qdioac3, irq_ptr->qib.ac); } @@ -386,6 +320,8 @@ static void setup_qdr(struct qdio_irq *irq_ptr, struct qdesfmt0 *desc = &irq_ptr->qdr->qdf0[0]; int i; + memset(irq_ptr->qdr, 0, sizeof(struct qdr)); + irq_ptr->qdr->qfmt = qdio_init->q_format; irq_ptr->qdr->ac = qdio_init->qdr_ac; irq_ptr->qdr->iqdcnt = qdio_init->no_input_qs; @@ -405,12 +341,15 @@ static void setup_qdr(struct qdio_irq *irq_ptr, static void setup_qib(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) { - if (qebsm_possible()) - irq_ptr->qib.rflags |= QIB_RFLAGS_ENABLE_QEBSM; - - irq_ptr->qib.rflags |= init_data->qib_rflags; + memset(&irq_ptr->qib, 0, sizeof(irq_ptr->qib)); irq_ptr->qib.qfmt = init_data->q_format; + irq_ptr->qib.pfmt = init_data->qib_param_field_format; + + irq_ptr->qib.rflags = init_data->qib_rflags; + if (css_general_characteristics.qebsm) + irq_ptr->qib.rflags |= QIB_RFLAGS_ENABLE_QEBSM; + if (init_data->no_input_qs) irq_ptr->qib.isliba = (unsigned long)(irq_ptr->input_qs[0]->slib); @@ -419,6 +358,10 @@ static void setup_qib(struct qdio_irq *irq_ptr, (unsigned long)(irq_ptr->output_qs[0]->slib); memcpy(irq_ptr->qib.ebcnam, dev_name(&irq_ptr->cdev->dev), 8); ASCEBC(irq_ptr->qib.ebcnam, 8); + + if (init_data->qib_param_field) + memcpy(irq_ptr->qib.parm, init_data->qib_param_field, + sizeof(irq_ptr->qib.parm)); } int qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) @@ -426,8 +369,7 @@ int qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) struct ccw_device *cdev = irq_ptr->cdev; struct ciw *ciw; - memset(&irq_ptr->qib, 0, sizeof(irq_ptr->qib)); - memset(&irq_ptr->siga_flag, 0, sizeof(irq_ptr->siga_flag)); + irq_ptr->qdioac1 = 0; memset(&irq_ptr->ccw, 0, sizeof(irq_ptr->ccw)); memset(&irq_ptr->ssqd_desc, 0, sizeof(irq_ptr->ssqd_desc)); memset(&irq_ptr->perf_stat, 0, sizeof(irq_ptr->perf_stat)); @@ -436,13 +378,9 @@ int qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) irq_ptr->sch_token = irq_ptr->perf_stat_enabled = 0; irq_ptr->state = QDIO_IRQ_STATE_INACTIVE; - /* wipes qib.ac, required by ar7063 */ - memset(irq_ptr->qdr, 0, sizeof(struct qdr)); - irq_ptr->int_parm = init_data->int_parm; irq_ptr->nr_input_qs = init_data->no_input_qs; irq_ptr->nr_output_qs = init_data->no_output_qs; - irq_ptr->scan_threshold = init_data->scan_threshold; ccw_device_get_schid(cdev, &irq_ptr->schid); setup_queues(irq_ptr, init_data); @@ -450,10 +388,6 @@ int qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) set_bit(QDIO_IRQ_DISABLED, &irq_ptr->poll_state); setup_qib(irq_ptr, init_data); - set_impl_params(irq_ptr, init_data->qib_param_field_format, - init_data->qib_param_field, - init_data->input_slib_elements, - init_data->output_slib_elements); /* fill input and output descriptors */ setup_qdr(irq_ptr, init_data); @@ -497,11 +431,8 @@ void qdio_shutdown_irq(struct qdio_irq *irq) void qdio_print_subchannel_info(struct qdio_irq *irq_ptr) { - char s[80]; - - snprintf(s, 80, "qdio: %s %s on SC %x using " - "AI:%d QEBSM:%d PRI:%d TDD:%d SIGA:%s%s%s%s%s\n", - dev_name(&irq_ptr->cdev->dev), + dev_info(&irq_ptr->cdev->dev, + "qdio: %s on SC %x using AI:%d QEBSM:%d PRI:%d TDD:%d SIGA:%s%s%s\n", (irq_ptr->qib.qfmt == QDIO_QETH_QFMT) ? "OSA" : ((irq_ptr->qib.qfmt == QDIO_ZFCP_QFMT) ? "ZFCP" : "HS"), irq_ptr->schid.sch_no, @@ -509,12 +440,9 @@ void qdio_print_subchannel_info(struct qdio_irq *irq_ptr) (irq_ptr->sch_token) ? 1 : 0, pci_out_supported(irq_ptr) ? 1 : 0, css_general_characteristics.aif_tdd, - (irq_ptr->siga_flag.input) ? "R" : " ", - (irq_ptr->siga_flag.output) ? "W" : " ", - (irq_ptr->siga_flag.sync) ? "S" : " ", - (irq_ptr->siga_flag.sync_after_ai) ? "A" : " ", - (irq_ptr->siga_flag.sync_out_after_pci) ? "P" : " "); - printk(KERN_INFO "%s", s); + qdio_need_siga_in(irq_ptr) ? "R" : " ", + qdio_need_siga_out(irq_ptr) ? "W" : " ", + qdio_need_siga_sync(irq_ptr) ? "S" : " "); } int __init qdio_setup_init(void) @@ -541,7 +469,7 @@ int __init qdio_setup_init(void) (css_general_characteristics.aif_osa) ? 1 : 0); /* Check for QEBSM support in general (bit 58). */ - DBF_EVENT("cssQEBSM:%1d", (qebsm_possible()) ? 1 : 0); + DBF_EVENT("cssQEBSM:%1d", css_general_characteristics.qebsm); rc = 0; out: return rc; |