/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2018-2020 Intel Corporation
*/
#include <rte_string_fns.h>
},
};
-
-static struct qat_pci_device qat_pci_devices[RTE_PMD_QAT_MAX_PCI_DEVICES];
+/* per-process array of device data */
+struct qat_device_info qat_pci_devs[RTE_PMD_QAT_MAX_PCI_DEVICES];
static int qat_nb_pci_devices;
/*
{
RTE_PCI_DEVICE(0x8086, 0x6f55),
},
+ {
+ RTE_PCI_DEVICE(0x8086, 0x18ef),
+ },
{
RTE_PCI_DEVICE(0x8086, 0x18a1),
},
{.device_id = 0},
};
-static struct qat_pci_device *
-qat_pci_get_dev(uint8_t dev_id)
-{
- return &qat_pci_devices[dev_id];
-}
-
static struct qat_pci_device *
qat_pci_get_named_dev(const char *name)
{
- struct qat_pci_device *dev;
unsigned int i;
if (name == NULL)
return NULL;
for (i = 0; i < RTE_PMD_QAT_MAX_PCI_DEVICES; i++) {
- dev = &qat_pci_devices[i];
-
- if ((dev->attached == QAT_ATTACHED) &&
- (strcmp(dev->name, name) == 0))
- return dev;
+ if (qat_pci_devs[i].mz &&
+ (strcmp(((struct qat_pci_device *)
+ qat_pci_devs[i].mz->addr)->name, name)
+ == 0))
+ return (struct qat_pci_device *)
+ qat_pci_devs[i].mz->addr;
}
return NULL;
static uint8_t
qat_pci_find_free_device_index(void)
{
- uint8_t dev_id;
+ uint8_t dev_id;
- for (dev_id = 0; dev_id < RTE_PMD_QAT_MAX_PCI_DEVICES; dev_id++) {
- if (qat_pci_devices[dev_id].attached == QAT_DETACHED)
- break;
- }
- return dev_id;
+ for (dev_id = 0; dev_id < RTE_PMD_QAT_MAX_PCI_DEVICES;
+ dev_id++) {
+ if (qat_pci_devs[dev_id].mz == NULL)
+ break;
+ }
+ return dev_id;
}
struct qat_pci_device *
struct qat_dev_cmd_param *qat_dev_cmd_param)
{
struct qat_pci_device *qat_dev;
- uint8_t qat_dev_id;
+ uint8_t qat_dev_id = 0;
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");
+
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+ const struct rte_memzone *mz = rte_memzone_lookup(name);
+
+ if (mz == NULL) {
+ QAT_LOG(ERR,
+ "Secondary can't find %s mz, did primary create device?",
+ name);
+ return NULL;
+ }
+ qat_dev = mz->addr;
+ qat_pci_devs[qat_dev->qat_dev_id].mz = mz;
+ qat_pci_devs[qat_dev->qat_dev_id].pci_dev = pci_dev;
+ qat_nb_pci_devices++;
+ QAT_LOG(DEBUG, "QAT device %d found, name %s, total QATs %d",
+ qat_dev->qat_dev_id, qat_dev->name, qat_nb_pci_devices);
+ return qat_dev;
+ }
+
if (qat_pci_get_named_dev(name) != NULL) {
QAT_LOG(ERR, "QAT device with name %s already allocated!",
name);
return NULL;
}
- qat_dev = qat_pci_get_dev(qat_dev_id);
+ qat_pci_devs[qat_dev_id].mz = rte_memzone_reserve(name,
+ sizeof(struct qat_pci_device),
+ rte_socket_id(), 0);
+
+ if (qat_pci_devs[qat_dev_id].mz == NULL) {
+ QAT_LOG(ERR, "Error when allocating memzone for QAT_%d",
+ qat_dev_id);
+ return NULL;
+ }
+
+ qat_dev = qat_pci_devs[qat_dev_id].mz->addr;
memset(qat_dev, 0, sizeof(*qat_dev));
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) {
+ qat_pci_devs[qat_dev_id].pci_dev = pci_dev;
+ switch (pci_dev->id.device_id) {
case 0x0443:
qat_dev->qat_dev_gen = QAT_GEN1;
break;
case 0x37c9:
case 0x19e3:
case 0x6f55:
+ case 0x18ef:
qat_dev->qat_dev_gen = QAT_GEN2;
break;
case 0x18a1:
break;
default:
QAT_LOG(ERR, "Invalid dev_id, can't determine generation");
+ rte_memzone_free(qat_pci_devs[qat_dev->qat_dev_id].mz);
return NULL;
}
qat_dev_parse_cmd(devargs->drv_str, qat_dev_cmd_param);
rte_spinlock_init(&qat_dev->arb_csr_lock);
-
- qat_dev->attached = QAT_ATTACHED;
-
qat_nb_pci_devices++;
- QAT_LOG(DEBUG, "QAT device %d allocated, name %s, total QATs %d",
+ QAT_LOG(DEBUG, "QAT device %d found, name %s, total QATs %d",
qat_dev->qat_dev_id, qat_dev->name, qat_nb_pci_devices);
return qat_dev;
}
-int
+static int
qat_pci_device_release(struct rte_pci_device *pci_dev)
{
struct qat_pci_device *qat_dev;
char name[QAT_DEV_NAME_MAX_LEN];
+ int busy = 0;
if (pci_dev == NULL)
return -EINVAL;
qat_dev = qat_pci_get_named_dev(name);
if (qat_dev != NULL) {
+ struct qat_device_info *inst =
+ &qat_pci_devs[qat_dev->qat_dev_id];
/* Check that there are no service devs still on pci device */
- if (qat_dev->sym_dev != NULL)
- return -EBUSY;
- qat_dev->attached = QAT_DETACHED;
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ if (qat_dev->sym_dev != NULL) {
+ QAT_LOG(DEBUG, "QAT sym device %s is busy",
+ name);
+ busy = 1;
+ }
+ if (qat_dev->asym_dev != NULL) {
+ QAT_LOG(DEBUG, "QAT asym device %s is busy",
+ name);
+ busy = 1;
+ }
+ if (qat_dev->comp_dev != NULL) {
+ QAT_LOG(DEBUG, "QAT comp device %s is busy",
+ name);
+ busy = 1;
+ }
+ if (busy)
+ return -EBUSY;
+ rte_memzone_free(inst->mz);
+ }
+ memset(inst, 0, sizeof(struct qat_device_info));
qat_nb_pci_devices--;
+ QAT_LOG(DEBUG, "QAT device %s released, total QATs %d",
+ name, qat_nb_pci_devices);
}
- QAT_LOG(DEBUG, "QAT device %s released, total QATs %d",
- name, qat_nb_pci_devices);
return 0;
}
RTE_PMD_REGISTER_PCI(QAT_PCI_NAME, rte_qat_pmd);
RTE_PMD_REGISTER_PCI_TABLE(QAT_PCI_NAME, pci_id_qat_map);
+RTE_PMD_REGISTER_KMOD_DEP(QAT_PCI_NAME, "* igb_uio | uio_pci_generic | vfio-pci");
git.droids-corp.org / dpdk.git / blobdiff