* Copyright(c) 2018 Intel Corporation
*/
+#include <rte_string_fns.h>
+#include <rte_devargs.h>
+#include <ctype.h>
+
#include "qat_device.h"
#include "adf_transport_access_macros.h"
#include "qat_sym_pmd.h"
+#include "qat_comp_pmd.h"
/* Hardware device information per generation */
__extension__
[QAT_GEN1] = {
.dev_gen = QAT_GEN1,
.qp_hw_data = qat_gen1_qps,
+ .comp_num_im_bufs_required = QAT_NUM_INTERM_BUFS_GEN1
},
[QAT_GEN2] = {
.dev_gen = QAT_GEN2,
.qp_hw_data = qat_gen1_qps,
/* gen2 has same ring layout as gen1 */
+ .comp_num_im_bufs_required = QAT_NUM_INTERM_BUFS_GEN2
+ },
+ [QAT_GEN3] = {
+ .dev_gen = QAT_GEN3,
+ .qp_hw_data = qat_gen3_qps,
+ .comp_num_im_bufs_required = QAT_NUM_INTERM_BUFS_GEN3
},
};
{
RTE_PCI_DEVICE(0x8086, 0x6f55),
},
+ {
+ RTE_PCI_DEVICE(0x8086, 0x18a1),
+ },
{.device_id = 0},
};
-
static struct qat_pci_device *
qat_pci_get_dev(uint8_t dev_id)
{
return qat_pci_get_named_dev(name);
}
+static void qat_dev_parse_cmd(const char *str, struct qat_dev_cmd_param
+ *qat_dev_cmd_param)
+{
+ int i = 0;
+ const char *param;
+
+ while (1) {
+ char value_str[4] = { };
+
+ param = qat_dev_cmd_param[i].name;
+ if (param == NULL)
+ return;
+ long value = 0;
+ const char *arg = strstr(str, param);
+ const char *arg2 = NULL;
+
+ if (arg) {
+ arg2 = arg + strlen(param);
+ if (*arg2 != '=') {
+ QAT_LOG(DEBUG, "parsing error '=' sign"
+ " should immediately follow %s",
+ param);
+ arg2 = NULL;
+ } else
+ arg2++;
+ } else {
+ QAT_LOG(DEBUG, "%s not provided", param);
+ }
+ if (arg2) {
+ int iter = 0;
+ while (iter < 2) {
+ if (!isdigit(*(arg2 + iter)))
+ break;
+ iter++;
+ }
+ if (!iter) {
+ QAT_LOG(DEBUG, "parsing error %s"
+ " no number provided",
+ param);
+ } else {
+ memcpy(value_str, arg2, iter);
+ value = strtol(value_str, NULL, 10);
+ if (value > MAX_QP_THRESHOLD_SIZE) {
+ QAT_LOG(DEBUG, "Exceeded max size of"
+ " threshold, setting to %d",
+ MAX_QP_THRESHOLD_SIZE);
+ value = MAX_QP_THRESHOLD_SIZE;
+ }
+ QAT_LOG(DEBUG, "parsing %s = %ld",
+ param, value);
+ }
+ }
+ qat_dev_cmd_param[i].val = value;
+ i++;
+ }
+}
+
struct qat_pci_device *
-qat_pci_device_allocate(struct rte_pci_device *pci_dev)
+qat_pci_device_allocate(struct rte_pci_device *pci_dev,
+ struct qat_dev_cmd_param *qat_dev_cmd_param)
{
struct qat_pci_device *qat_dev;
uint8_t qat_dev_id;
char name[QAT_DEV_NAME_MAX_LEN];
+ struct rte_devargs *devargs = pci_dev->device.devargs;
rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
snprintf(name+strlen(name), QAT_DEV_NAME_MAX_LEN-strlen(name), "_qat");
qat_dev = qat_pci_get_dev(qat_dev_id);
memset(qat_dev, 0, sizeof(*qat_dev));
- snprintf(qat_dev->name, QAT_DEV_NAME_MAX_LEN, "%s", name);
+ strlcpy(qat_dev->name, name, QAT_DEV_NAME_MAX_LEN);
qat_dev->qat_dev_id = qat_dev_id;
qat_dev->pci_dev = pci_dev;
switch (qat_dev->pci_dev->id.device_id) {
case 0x6f55:
qat_dev->qat_dev_gen = QAT_GEN2;
break;
+ case 0x18a1:
+ qat_dev->qat_dev_gen = QAT_GEN3;
+ break;
default:
QAT_LOG(ERR, "Invalid dev_id, can't determine generation");
return NULL;
}
+ if (devargs && devargs->drv_str)
+ qat_dev_parse_cmd(devargs->drv_str, qat_dev_cmd_param);
+
rte_spinlock_init(&qat_dev->arb_csr_lock);
qat_dev->attached = QAT_ATTACHED;
static int qat_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
struct rte_pci_device *pci_dev)
{
- int ret = 0;
+ int sym_ret = 0, asym_ret = 0, comp_ret = 0;
+ int num_pmds_created = 0;
struct qat_pci_device *qat_pci_dev;
+ struct qat_dev_cmd_param qat_dev_cmd_param[] = {
+ { SYM_ENQ_THRESHOLD_NAME, 0 },
+ { ASYM_ENQ_THRESHOLD_NAME, 0 },
+ { COMP_ENQ_THRESHOLD_NAME, 0 },
+ { NULL, 0 },
+ };
QAT_LOG(DEBUG, "Found QAT device at %02x:%02x.%x",
pci_dev->addr.bus,
pci_dev->addr.devid,
pci_dev->addr.function);
- qat_pci_dev = qat_pci_device_allocate(pci_dev);
+ qat_pci_dev = qat_pci_device_allocate(pci_dev, qat_dev_cmd_param);
if (qat_pci_dev == NULL)
return -ENODEV;
- ret = qat_sym_dev_create(qat_pci_dev);
- if (ret != 0)
- goto error_out;
-
- ret = qat_comp_dev_create(qat_pci_dev);
- if (ret != 0)
- goto error_out;
+ sym_ret = qat_sym_dev_create(qat_pci_dev, qat_dev_cmd_param);
+ if (sym_ret == 0) {
+ num_pmds_created++;
- ret = qat_asym_dev_create(qat_pci_dev);
- if (ret != 0)
- goto error_out;
+ }
+ else
+ QAT_LOG(WARNING,
+ "Failed to create QAT SYM PMD on device %s",
+ qat_pci_dev->name);
+
+ comp_ret = qat_comp_dev_create(qat_pci_dev, qat_dev_cmd_param);
+ if (comp_ret == 0)
+ num_pmds_created++;
+ else
+ QAT_LOG(WARNING,
+ "Failed to create QAT COMP PMD on device %s",
+ qat_pci_dev->name);
+
+ asym_ret = qat_asym_dev_create(qat_pci_dev, qat_dev_cmd_param);
+ if (asym_ret == 0)
+ num_pmds_created++;
+ else
+ QAT_LOG(WARNING,
+ "Failed to create QAT ASYM PMD on device %s",
+ qat_pci_dev->name);
+
+ if (num_pmds_created == 0)
+ qat_pci_dev_destroy(qat_pci_dev, pci_dev);
return 0;
-
-error_out:
- qat_pci_dev_destroy(qat_pci_dev, pci_dev);
- return ret;
-
}
static int qat_pci_remove(struct rte_pci_device *pci_dev)
.remove = qat_pci_remove
};
-__attribute__((weak)) int
-qat_sym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused)
+__rte_weak int
+qat_sym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused,
+ struct qat_dev_cmd_param *qat_dev_cmd_param __rte_unused)
{
return 0;
}
-__attribute__((weak)) int
-qat_asym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused)
+__rte_weak int
+qat_asym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused,
+ struct qat_dev_cmd_param *qat_dev_cmd_param __rte_unused)
{
return 0;
}
-__attribute__((weak)) int
+__rte_weak int
qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused)
{
return 0;
}
-__attribute__((weak)) int
+__rte_weak int
qat_asym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused)
{
return 0;
}
-__attribute__((weak)) int
-qat_comp_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused)
+__rte_weak int
+qat_comp_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused,
+ struct qat_dev_cmd_param *qat_dev_cmd_param __rte_unused)
{
return 0;
}
-__attribute__((weak)) int
+__rte_weak int
qat_comp_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused)
{
return 0;
git.droids-corp.org / dpdk.git / blobdiff