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path: root/drivers/s390/cio/qdio_setup.c
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Diffstat (limited to 'drivers/s390/cio/qdio_setup.c')
-rw-r--r--drivers/s390/cio/qdio_setup.c145
1 files changed, 63 insertions, 82 deletions
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c
index a0b6b46e746..c08356b95bf 100644
--- a/drivers/s390/cio/qdio_setup.c
+++ b/drivers/s390/cio/qdio_setup.c
@@ -117,17 +117,16 @@ static void setup_queues_misc(struct qdio_q *q, struct qdio_irq *irq_ptr,
q->mask = 1 << (31 - i);
q->nr = i;
q->handler = handler;
+ spin_lock_init(&q->lock);
}
static void setup_storage_lists(struct qdio_q *q, struct qdio_irq *irq_ptr,
- void **sbals_array, char *dbf_text, int i)
+ void **sbals_array, int i)
{
struct qdio_q *prev;
int j;
- QDIO_DBF_TEXT0(0, setup, dbf_text);
- QDIO_DBF_HEX0(0, setup, &q, sizeof(void *));
-
+ DBF_HEX(&q, sizeof(void *));
q->sl = (struct sl *)((char *)q->slib + PAGE_SIZE / 2);
/* fill in sbal */
@@ -150,31 +149,26 @@ static void setup_storage_lists(struct qdio_q *q, struct qdio_irq *irq_ptr,
for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++)
q->sl->element[j].sbal = (unsigned long)q->sbal[j];
- QDIO_DBF_TEXT2(0, setup, "sl-sb-b0");
- QDIO_DBF_HEX2(0, setup, q->sl, sizeof(void *));
- QDIO_DBF_HEX2(0, setup, &q->slsb, sizeof(void *));
- QDIO_DBF_HEX2(0, setup, q->sbal, sizeof(void *));
+ DBF_EVENT("sl-slsb-sbal");
+ DBF_HEX(q->sl, sizeof(void *));
+ DBF_HEX(&q->slsb, sizeof(void *));
+ DBF_HEX(q->sbal, sizeof(void *));
}
static void setup_queues(struct qdio_irq *irq_ptr,
struct qdio_initialize *qdio_init)
{
- char dbf_text[20];
struct qdio_q *q;
void **input_sbal_array = qdio_init->input_sbal_addr_array;
void **output_sbal_array = qdio_init->output_sbal_addr_array;
int i;
- sprintf(dbf_text, "qset%4x", qdio_init->cdev->private->schid.sch_no);
- QDIO_DBF_TEXT0(0, setup, dbf_text);
-
for_each_input_queue(irq_ptr, q, i) {
- sprintf(dbf_text, "in-q%4x", i);
+ DBF_EVENT("in-q:%1d", i);
setup_queues_misc(q, irq_ptr, qdio_init->input_handler, i);
q->is_input_q = 1;
- spin_lock_init(&q->u.in.lock);
- setup_storage_lists(q, irq_ptr, input_sbal_array, dbf_text, i);
+ setup_storage_lists(q, irq_ptr, input_sbal_array, i);
input_sbal_array += QDIO_MAX_BUFFERS_PER_Q;
if (is_thinint_irq(irq_ptr))
@@ -186,12 +180,11 @@ static void setup_queues(struct qdio_irq *irq_ptr,
}
for_each_output_queue(irq_ptr, q, i) {
- sprintf(dbf_text, "outq%4x", i);
+ DBF_EVENT("outq:%1d", i);
setup_queues_misc(q, irq_ptr, qdio_init->output_handler, i);
q->is_input_q = 0;
- setup_storage_lists(q, irq_ptr, output_sbal_array,
- dbf_text, i);
+ setup_storage_lists(q, irq_ptr, output_sbal_array, i);
output_sbal_array += QDIO_MAX_BUFFERS_PER_Q;
tasklet_init(&q->tasklet, qdio_outbound_processing,
@@ -222,8 +215,6 @@ static void process_ac_flags(struct qdio_irq *irq_ptr, unsigned char qdioac)
static void check_and_setup_qebsm(struct qdio_irq *irq_ptr,
unsigned char qdioac, unsigned long token)
{
- char dbf_text[15];
-
if (!(irq_ptr->qib.rflags & QIB_RFLAGS_ENABLE_QEBSM))
goto no_qebsm;
if (!(qdioac & AC1_SC_QEBSM_AVAILABLE) ||
@@ -232,33 +223,41 @@ static void check_and_setup_qebsm(struct qdio_irq *irq_ptr,
irq_ptr->sch_token = token;
- QDIO_DBF_TEXT0(0, setup, "V=V:1");
- sprintf(dbf_text, "%8lx", irq_ptr->sch_token);
- QDIO_DBF_TEXT0(0, setup, dbf_text);
+ DBF_EVENT("V=V:1");
+ DBF_EVENT("%8lx", irq_ptr->sch_token);
return;
no_qebsm:
irq_ptr->sch_token = 0;
irq_ptr->qib.rflags &= ~QIB_RFLAGS_ENABLE_QEBSM;
- QDIO_DBF_TEXT0(0, setup, "noV=V");
+ DBF_EVENT("noV=V");
}
-static int __get_ssqd_info(struct qdio_irq *irq_ptr)
+/*
+ * If there is a qdio_irq we use the chsc_page and store the information
+ * in the qdio_irq, otherwise we copy it to the specified structure.
+ */
+int qdio_setup_get_ssqd(struct qdio_irq *irq_ptr,
+ struct subchannel_id *schid,
+ struct qdio_ssqd_desc *data)
{
struct chsc_ssqd_area *ssqd;
int rc;
- QDIO_DBF_TEXT0(0, setup, "getssqd");
- ssqd = (struct chsc_ssqd_area *)irq_ptr->chsc_page;
+ DBF_EVENT("getssqd:%4x", schid->sch_no);
+ if (irq_ptr != NULL)
+ ssqd = (struct chsc_ssqd_area *)irq_ptr->chsc_page;
+ else
+ ssqd = (struct chsc_ssqd_area *)__get_free_page(GFP_KERNEL);
memset(ssqd, 0, PAGE_SIZE);
ssqd->request = (struct chsc_header) {
.length = 0x0010,
.code = 0x0024,
};
- ssqd->first_sch = irq_ptr->schid.sch_no;
- ssqd->last_sch = irq_ptr->schid.sch_no;
- ssqd->ssid = irq_ptr->schid.ssid;
+ ssqd->first_sch = schid->sch_no;
+ ssqd->last_sch = schid->sch_no;
+ ssqd->ssid = schid->ssid;
if (chsc(ssqd))
return -EIO;
@@ -268,27 +267,29 @@ static int __get_ssqd_info(struct qdio_irq *irq_ptr)
if (!(ssqd->qdio_ssqd.flags & CHSC_FLAG_QDIO_CAPABILITY) ||
!(ssqd->qdio_ssqd.flags & CHSC_FLAG_VALIDITY) ||
- (ssqd->qdio_ssqd.sch != irq_ptr->schid.sch_no))
+ (ssqd->qdio_ssqd.sch != schid->sch_no))
return -EINVAL;
- memcpy(&irq_ptr->ssqd_desc, &ssqd->qdio_ssqd,
- sizeof(struct qdio_ssqd_desc));
+ if (irq_ptr != NULL)
+ memcpy(&irq_ptr->ssqd_desc, &ssqd->qdio_ssqd,
+ sizeof(struct qdio_ssqd_desc));
+ else {
+ memcpy(data, &ssqd->qdio_ssqd,
+ sizeof(struct qdio_ssqd_desc));
+ free_page((unsigned long)ssqd);
+ }
return 0;
}
void qdio_setup_ssqd_info(struct qdio_irq *irq_ptr)
{
unsigned char qdioac;
- char dbf_text[15];
int rc;
- rc = __get_ssqd_info(irq_ptr);
+ rc = qdio_setup_get_ssqd(irq_ptr, &irq_ptr->schid, NULL);
if (rc) {
- QDIO_DBF_TEXT2(0, setup, "ssqdasig");
- sprintf(dbf_text, "schn%4x", irq_ptr->schid.sch_no);
- QDIO_DBF_TEXT2(0, setup, dbf_text);
- sprintf(dbf_text, "rc:%d", rc);
- QDIO_DBF_TEXT2(0, setup, dbf_text);
+ DBF_ERROR("%4x ssqd ERR", irq_ptr->schid.sch_no);
+ DBF_ERROR("rc:%x", rc);
/* all flags set, worst case */
qdioac = AC1_SIGA_INPUT_NEEDED | AC1_SIGA_OUTPUT_NEEDED |
AC1_SIGA_SYNC_NEEDED;
@@ -297,9 +298,7 @@ void qdio_setup_ssqd_info(struct qdio_irq *irq_ptr)
check_and_setup_qebsm(irq_ptr, qdioac, irq_ptr->ssqd_desc.sch_token);
process_ac_flags(irq_ptr, qdioac);
-
- sprintf(dbf_text, "qdioac%2x", qdioac);
- QDIO_DBF_TEXT2(0, setup, dbf_text);
+ DBF_EVENT("qdioac:%4x", qdioac);
}
void qdio_release_memory(struct qdio_irq *irq_ptr)
@@ -419,7 +418,7 @@ int qdio_setup_irq(struct qdio_initialize *init_data)
/* get qdio commands */
ciw = ccw_device_get_ciw(init_data->cdev, CIW_TYPE_EQUEUE);
if (!ciw) {
- QDIO_DBF_TEXT2(1, setup, "no eq");
+ DBF_ERROR("%4x NO EQ", irq_ptr->schid.sch_no);
rc = -EINVAL;
goto out_err;
}
@@ -427,7 +426,7 @@ int qdio_setup_irq(struct qdio_initialize *init_data)
ciw = ccw_device_get_ciw(init_data->cdev, CIW_TYPE_AQUEUE);
if (!ciw) {
- QDIO_DBF_TEXT2(1, setup, "no aq");
+ DBF_ERROR("%4x NO AQ", irq_ptr->schid.sch_no);
rc = -EINVAL;
goto out_err;
}
@@ -447,56 +446,38 @@ void qdio_print_subchannel_info(struct qdio_irq *irq_ptr,
{
char s[80];
- sprintf(s, "qdio: %s ", dev_name(&cdev->dev));
- switch (irq_ptr->qib.qfmt) {
- case QDIO_QETH_QFMT:
- sprintf(s + strlen(s), "OSA ");
- break;
- case QDIO_ZFCP_QFMT:
- sprintf(s + strlen(s), "ZFCP ");
- break;
- case QDIO_IQDIO_QFMT:
- sprintf(s + strlen(s), "HS ");
- break;
- }
- sprintf(s + strlen(s), "on SC %x using ", irq_ptr->schid.sch_no);
- sprintf(s + strlen(s), "AI:%d ", is_thinint_irq(irq_ptr));
- sprintf(s + strlen(s), "QEBSM:%d ", (irq_ptr->sch_token) ? 1 : 0);
- sprintf(s + strlen(s), "PCI:%d ",
- (irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED) ? 1 : 0);
- sprintf(s + strlen(s), "TDD:%d ", css_general_characteristics.aif_tdd);
- sprintf(s + strlen(s), "SIGA:");
- sprintf(s + strlen(s), "%s", (irq_ptr->siga_flag.input) ? "R" : " ");
- sprintf(s + strlen(s), "%s", (irq_ptr->siga_flag.output) ? "W" : " ");
- sprintf(s + strlen(s), "%s", (irq_ptr->siga_flag.sync) ? "S" : " ");
- sprintf(s + strlen(s), "%s",
- (!irq_ptr->siga_flag.no_sync_ti) ? "A" : " ");
- sprintf(s + strlen(s), "%s",
- (!irq_ptr->siga_flag.no_sync_out_ti) ? "O" : " ");
- sprintf(s + strlen(s), "%s",
- (!irq_ptr->siga_flag.no_sync_out_pci) ? "P" : " ");
- sprintf(s + strlen(s), "\n");
+ snprintf(s, 80, "qdio: %s %s on SC %x using "
+ "AI:%d QEBSM:%d PCI:%d TDD:%d SIGA:%s%s%s%s%s%s\n",
+ dev_name(&cdev->dev),
+ (irq_ptr->qib.qfmt == QDIO_QETH_QFMT) ? "OSA" :
+ ((irq_ptr->qib.qfmt == QDIO_ZFCP_QFMT) ? "ZFCP" : "HS"),
+ irq_ptr->schid.sch_no,
+ is_thinint_irq(irq_ptr),
+ (irq_ptr->sch_token) ? 1 : 0,
+ (irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED) ? 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.no_sync_ti) ? "A" : " ",
+ (!irq_ptr->siga_flag.no_sync_out_ti) ? "O" : " ",
+ (!irq_ptr->siga_flag.no_sync_out_pci) ? "P" : " ");
printk(KERN_INFO "%s", s);
}
int __init qdio_setup_init(void)
{
- char dbf_text[15];
-
qdio_q_cache = kmem_cache_create("qdio_q", sizeof(struct qdio_q),
256, 0, NULL);
if (!qdio_q_cache)
return -ENOMEM;
/* Check for OSA/FCP thin interrupts (bit 67). */
- sprintf(dbf_text, "thini%1x",
- (css_general_characteristics.aif_osa) ? 1 : 0);
- QDIO_DBF_TEXT0(0, setup, dbf_text);
+ DBF_EVENT("thinint:%1d",
+ (css_general_characteristics.aif_osa) ? 1 : 0);
/* Check for QEBSM support in general (bit 58). */
- sprintf(dbf_text, "cssQBS:%1x",
- (qebsm_possible()) ? 1 : 0);
- QDIO_DBF_TEXT0(0, setup, dbf_text);
+ DBF_EVENT("cssQEBSM:%1d", (qebsm_possible()) ? 1 : 0);
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-12 07:48:34 +0000