/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2018-2022 Intel Corporation
*/
#include <rte_string_fns.h>
#include "qat_device.h"
#include "adf_transport_access_macros.h"
-#include "qat_sym_pmd.h"
+#include "qat_sym.h"
#include "qat_comp_pmd.h"
+#include "adf_pf2vf_msg.h"
+#include "qat_pf2vf.h"
/* Hardware device information per generation */
-__extension__
-struct qat_gen_hw_data qat_gen_config[] = {
- [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
- },
-};
-
+struct qat_gen_hw_data qat_gen_config[QAT_N_GENS];
+struct qat_dev_hw_spec_funcs *qat_dev_hw_spec[QAT_N_GENS];
-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),
},
+ {
+ RTE_PCI_DEVICE(0x8086, 0x4941),
+ },
+ {
+ RTE_PCI_DEVICE(0x8086, 0x4943),
+ },
{.device_id = 0},
};
-static struct qat_pci_device *
-qat_pci_get_dev(uint8_t dev_id)
+static int
+qat_pci_get_extra_size(enum qat_device_gen qat_dev_gen)
{
- return &qat_pci_devices[dev_id];
+ struct qat_dev_hw_spec_funcs *ops_hw =
+ qat_dev_hw_spec[qat_dev_gen];
+ RTE_FUNC_PTR_OR_ERR_RET(ops_hw->qat_dev_get_extra_size,
+ -ENOTSUP);
+ return ops_hw->qat_dev_get_extra_size();
}
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 *
return qat_pci_get_named_dev(name);
}
-static void qat_dev_parse_cmd(const char *str, struct qat_dev_cmd_param
+static void
+qat_dev_parse_cmd(const char *str, struct qat_dev_cmd_param
*qat_dev_cmd_param)
{
int i = 0;
struct qat_dev_cmd_param *qat_dev_cmd_param)
{
struct qat_pci_device *qat_dev;
- uint8_t qat_dev_id;
+ enum qat_device_gen qat_dev_gen;
+ uint8_t qat_dev_id = 0;
char name[QAT_DEV_NAME_MAX_LEN];
struct rte_devargs *devargs = pci_dev->device.devargs;
+ struct qat_dev_hw_spec_funcs *ops_hw;
+ struct rte_mem_resource *mem_resource;
+ const struct rte_memzone *qat_dev_mz;
+ int qat_dev_size, extra_size;
rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
snprintf(name+strlen(name), QAT_DEV_NAME_MAX_LEN-strlen(name), "_qat");
+
+ switch (pci_dev->id.device_id) {
+ case 0x0443:
+ qat_dev_gen = QAT_GEN1;
+ break;
+ case 0x37c9:
+ case 0x19e3:
+ case 0x6f55:
+ case 0x18ef:
+ qat_dev_gen = QAT_GEN2;
+ break;
+ case 0x18a1:
+ qat_dev_gen = QAT_GEN3;
+ break;
+ case 0x4941:
+ case 0x4943:
+ qat_dev_gen = QAT_GEN4;
+ break;
+ default:
+ QAT_LOG(ERR, "Invalid dev_id, can't determine generation");
+ return NULL;
+ }
+
+ 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);
- memset(qat_dev, 0, sizeof(*qat_dev));
+ extra_size = qat_pci_get_extra_size(qat_dev_gen);
+ if (extra_size < 0) {
+ QAT_LOG(ERR, "QAT internal error: no pci pointer for gen %d",
+ qat_dev_gen);
+ return NULL;
+ }
+
+ qat_dev_size = sizeof(struct qat_pci_device) + extra_size;
+ qat_dev_mz = rte_memzone_reserve(name, qat_dev_size,
+ rte_socket_id(), 0);
+
+ if (qat_dev_mz == NULL) {
+ QAT_LOG(ERR, "Error when allocating memzone for QAT_%d",
+ qat_dev_id);
+ return NULL;
+ }
+
+ qat_dev = qat_dev_mz->addr;
+ memset(qat_dev, 0, qat_dev_size);
+ qat_dev->dev_private = qat_dev + 1;
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 0x0443:
- qat_dev->qat_dev_gen = QAT_GEN1;
- break;
- case 0x37c9:
- case 0x19e3:
- 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");
+ qat_pci_devs[qat_dev_id].pci_dev = pci_dev;
+ qat_dev->qat_dev_gen = qat_dev_gen;
+
+ ops_hw = qat_dev_hw_spec[qat_dev->qat_dev_gen];
+ if (ops_hw->qat_dev_get_misc_bar == NULL) {
+ QAT_LOG(ERR, "qat_dev_get_misc_bar function pointer not set");
+ rte_memzone_free(qat_dev_mz);
return NULL;
}
+ if (ops_hw->qat_dev_get_misc_bar(&mem_resource, pci_dev) == 0) {
+ if (mem_resource->addr == NULL) {
+ QAT_LOG(ERR, "QAT cannot get access to VF misc bar");
+ rte_memzone_free(qat_dev_mz);
+ return NULL;
+ }
+ qat_dev->misc_bar_io_addr = mem_resource->addr;
+ } else
+ qat_dev->misc_bar_io_addr = 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);
+ if (qat_read_qp_config(qat_dev)) {
+ QAT_LOG(ERR,
+ "Cannot acquire ring configuration for QAT_%d",
+ qat_dev_id);
+ rte_memzone_free(qat_dev_mz);
+ return NULL;
+ }
- qat_dev->attached = QAT_ATTACHED;
+ /* No errors when allocating, attach memzone with
+ * qat_dev to list of devices
+ */
+ qat_pci_devs[qat_dev_id].mz = qat_dev_mz;
+ rte_spinlock_init(&qat_dev->arb_csr_lock);
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;
}
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_hw_spec_funcs *ops_hw;
struct qat_dev_cmd_param qat_dev_cmd_param[] = {
{ SYM_ENQ_THRESHOLD_NAME, 0 },
{ ASYM_ENQ_THRESHOLD_NAME, 0 },
if (qat_pci_dev == NULL)
return -ENODEV;
+ ops_hw = qat_dev_hw_spec[qat_pci_dev->qat_dev_gen];
+ RTE_FUNC_PTR_OR_ERR_RET(ops_hw->qat_dev_reset_ring_pairs,
+ -ENOTSUP);
+ if (ops_hw->qat_dev_reset_ring_pairs(qat_pci_dev)) {
+ QAT_LOG(ERR,
+ "Cannot reset ring pairs, does pf driver supports pf2vf comms?"
+ );
+ return -ENODEV;
+ }
+
sym_ret = qat_sym_dev_create(qat_pci_dev, qat_dev_cmd_param);
if (sym_ret == 0) {
num_pmds_created++;
return 0;
}
-static int qat_pci_remove(struct rte_pci_device *pci_dev)
+static int
+qat_pci_remove(struct rte_pci_device *pci_dev)
{
struct qat_pci_device *qat_pci_dev;
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