#include <rte_memory.h>
#include <rte_malloc.h>
#include <rte_spinlock.h>
+#include <rte_mbuf.h>
+#include <rte_pmd_octeontx_ssovf.h>
#include "octeontx_fpavf.h"
+/* FPA Mbox Message */
+#define IDENTIFY 0x0
+
+#define FPA_CONFIGSET 0x1
+#define FPA_CONFIGGET 0x2
+#define FPA_START_COUNT 0x3
+#define FPA_STOP_COUNT 0x4
+#define FPA_ATTACHAURA 0x5
+#define FPA_DETACHAURA 0x6
+#define FPA_SETAURALVL 0x7
+#define FPA_GETAURALVL 0x8
+
+#define FPA_COPROC 0x1
+
+/* fpa mbox struct */
+struct octeontx_mbox_fpa_cfg {
+ int aid;
+ uint64_t pool_cfg;
+ uint64_t pool_stack_base;
+ uint64_t pool_stack_end;
+ uint64_t aura_cfg;
+};
+
+struct __attribute__((__packed__)) gen_req {
+ uint32_t value;
+};
+
+struct __attribute__((__packed__)) idn_req {
+ uint8_t domain_id;
+};
+
+struct __attribute__((__packed__)) gen_resp {
+ uint16_t domain_id;
+ uint16_t vfid;
+};
+
+struct __attribute__((__packed__)) dcfg_resp {
+ uint8_t sso_count;
+ uint8_t ssow_count;
+ uint8_t fpa_count;
+ uint8_t pko_count;
+ uint8_t tim_count;
+ uint8_t net_port_count;
+ uint8_t virt_port_count;
+};
+
+#define FPA_MAX_POOL 32
+#define FPA_PF_PAGE_SZ 4096
+
+#define FPA_LN_SIZE 128
+#define FPA_ROUND_UP(x, size) \
+ ((((unsigned long)(x)) + size-1) & (~(size-1)))
+#define FPA_OBJSZ_2_CACHE_LINE(sz) (((sz) + RTE_CACHE_LINE_MASK) >> 7)
+#define FPA_CACHE_LINE_2_OBJSZ(sz) ((sz) << 7)
+
+#define POOL_ENA (0x1 << 0)
+#define POOL_DIS (0x0 << 0)
+#define POOL_SET_NAT_ALIGN (0x1 << 1)
+#define POOL_DIS_NAT_ALIGN (0x0 << 1)
+#define POOL_STYPE(x) (((x) & 0x1) << 2)
+#define POOL_LTYPE(x) (((x) & 0x3) << 3)
+#define POOL_BUF_OFFSET(x) (((x) & 0x7fffULL) << 16)
+#define POOL_BUF_SIZE(x) (((x) & 0x7ffULL) << 32)
+
struct fpavf_res {
void *pool_stack_base;
void *bar0;
static struct octeontx_fpadev fpadev;
+/* lock is taken by caller */
+static int
+octeontx_fpa_gpool_alloc(unsigned int object_size)
+{
+ struct fpavf_res *res = NULL;
+ uint16_t gpool;
+ unsigned int sz128;
+
+ sz128 = FPA_OBJSZ_2_CACHE_LINE(object_size);
+
+ for (gpool = 0; gpool < FPA_VF_MAX; gpool++) {
+
+ /* Skip VF that is not mapped Or _inuse */
+ if ((fpadev.pool[gpool].bar0 == NULL) ||
+ (fpadev.pool[gpool].is_inuse == true))
+ continue;
+
+ res = &fpadev.pool[gpool];
+
+ RTE_ASSERT(res->domain_id != (uint16_t)~0);
+ RTE_ASSERT(res->vf_id != (uint16_t)~0);
+ RTE_ASSERT(res->stack_ln_ptr != 0);
+
+ if (res->sz128 == 0) {
+ res->sz128 = sz128;
+
+ fpavf_log_dbg("gpool %d blk_sz %d\n", gpool, sz128);
+ return gpool;
+ }
+ }
+
+ return -ENOSPC;
+}
+
+/* lock is taken by caller */
+static __rte_always_inline uintptr_t
+octeontx_fpa_gpool2handle(uint16_t gpool)
+{
+ struct fpavf_res *res = NULL;
+
+ RTE_ASSERT(gpool < FPA_VF_MAX);
+
+ res = &fpadev.pool[gpool];
+ if (unlikely(res == NULL))
+ return 0;
+
+ return (uintptr_t)res->bar0 | gpool;
+}
+
+static __rte_always_inline bool
+octeontx_fpa_handle_valid(uintptr_t handle)
+{
+ struct fpavf_res *res = NULL;
+ uint8_t gpool;
+ int i;
+ bool ret = false;
+
+ if (unlikely(!handle))
+ return ret;
+
+ /* get the gpool */
+ gpool = octeontx_fpa_bufpool_gpool(handle);
+
+ /* get the bar address */
+ handle &= ~(uint64_t)FPA_GPOOL_MASK;
+ for (i = 0; i < FPA_VF_MAX; i++) {
+ if ((uintptr_t)fpadev.pool[i].bar0 != handle)
+ continue;
+
+ /* validate gpool */
+ if (gpool != i)
+ return false;
+
+ res = &fpadev.pool[i];
+
+ if (res->sz128 == 0 || res->domain_id == (uint16_t)~0 ||
+ res->stack_ln_ptr == 0)
+ ret = false;
+ else
+ ret = true;
+ break;
+ }
+
+ return ret;
+}
+
+static int
+octeontx_fpapf_pool_setup(unsigned int gpool, unsigned int buf_size,
+ signed short buf_offset, unsigned int max_buf_count)
+{
+ void *memptr = NULL;
+ phys_addr_t phys_addr;
+ unsigned int memsz;
+ struct fpavf_res *fpa = NULL;
+ uint64_t reg;
+ struct octeontx_mbox_hdr hdr;
+ struct dcfg_resp resp;
+ struct octeontx_mbox_fpa_cfg cfg;
+ int ret = -1;
+
+ fpa = &fpadev.pool[gpool];
+ memsz = FPA_ROUND_UP(max_buf_count / fpa->stack_ln_ptr, FPA_LN_SIZE) *
+ FPA_LN_SIZE;
+
+ /* Round-up to page size */
+ memsz = (memsz + FPA_PF_PAGE_SZ - 1) & ~(uintptr_t)(FPA_PF_PAGE_SZ-1);
+ memptr = rte_malloc(NULL, memsz, RTE_CACHE_LINE_SIZE);
+ if (memptr == NULL) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ /* Configure stack */
+ fpa->pool_stack_base = memptr;
+ phys_addr = rte_malloc_virt2phy(memptr);
+
+ buf_size /= FPA_LN_SIZE;
+
+ /* POOL setup */
+ hdr.coproc = FPA_COPROC;
+ hdr.msg = FPA_CONFIGSET;
+ hdr.vfid = fpa->vf_id;
+ hdr.res_code = 0;
+
+ buf_offset /= FPA_LN_SIZE;
+ reg = POOL_BUF_SIZE(buf_size) | POOL_BUF_OFFSET(buf_offset) |
+ POOL_LTYPE(0x2) | POOL_STYPE(0) | POOL_SET_NAT_ALIGN |
+ POOL_ENA;
+
+ cfg.aid = 0;
+ cfg.pool_cfg = reg;
+ cfg.pool_stack_base = phys_addr;
+ cfg.pool_stack_end = phys_addr + memsz;
+ cfg.aura_cfg = (1 << 9);
+
+ ret = octeontx_ssovf_mbox_send(&hdr, &cfg,
+ sizeof(struct octeontx_mbox_fpa_cfg),
+ &resp, sizeof(resp));
+ if (ret < 0) {
+ ret = -EACCES;
+ goto err;
+ }
+
+ fpavf_log_dbg(" vfid %d gpool %d aid %d pool_cfg 0x%x pool_stack_base %" PRIx64 " pool_stack_end %" PRIx64" aura_cfg %" PRIx64 "\n",
+ fpa->vf_id, gpool, cfg.aid, (unsigned int)cfg.pool_cfg,
+ cfg.pool_stack_base, cfg.pool_stack_end, cfg.aura_cfg);
+
+ /* Now pool is in_use */
+ fpa->is_inuse = true;
+
+err:
+ if (ret < 0)
+ rte_free(memptr);
+
+ return ret;
+}
+
+static int
+octeontx_fpapf_pool_destroy(unsigned int gpool_index)
+{
+ struct octeontx_mbox_hdr hdr;
+ struct dcfg_resp resp;
+ struct octeontx_mbox_fpa_cfg cfg;
+ struct fpavf_res *fpa = NULL;
+ int ret = -1;
+
+ fpa = &fpadev.pool[gpool_index];
+
+ hdr.coproc = FPA_COPROC;
+ hdr.msg = FPA_CONFIGSET;
+ hdr.vfid = fpa->vf_id;
+ hdr.res_code = 0;
+
+ /* reset and free the pool */
+ cfg.aid = 0;
+ cfg.pool_cfg = 0;
+ cfg.pool_stack_base = 0;
+ cfg.pool_stack_end = 0;
+ cfg.aura_cfg = 0;
+
+ ret = octeontx_ssovf_mbox_send(&hdr, &cfg,
+ sizeof(struct octeontx_mbox_fpa_cfg),
+ &resp, sizeof(resp));
+ if (ret < 0) {
+ ret = -EACCES;
+ goto err;
+ }
+
+ ret = 0;
+err:
+ /* anycase free pool stack memory */
+ rte_free(fpa->pool_stack_base);
+ fpa->pool_stack_base = NULL;
+ return ret;
+}
+
+static int
+octeontx_fpapf_aura_attach(unsigned int gpool_index)
+{
+ struct octeontx_mbox_hdr hdr;
+ struct dcfg_resp resp;
+ struct octeontx_mbox_fpa_cfg cfg;
+ int ret = 0;
+
+ if (gpool_index >= FPA_MAX_POOL) {
+ ret = -EINVAL;
+ goto err;
+ }
+ hdr.coproc = FPA_COPROC;
+ hdr.msg = FPA_ATTACHAURA;
+ hdr.vfid = gpool_index;
+ hdr.res_code = 0;
+ memset(&cfg, 0x0, sizeof(struct octeontx_mbox_fpa_cfg));
+ cfg.aid = gpool_index; /* gpool is guara */
+
+ ret = octeontx_ssovf_mbox_send(&hdr, &cfg,
+ sizeof(struct octeontx_mbox_fpa_cfg),
+ &resp, sizeof(resp));
+ if (ret < 0) {
+ fpavf_log_err("Could not attach fpa ");
+ fpavf_log_err("aura %d to pool %d. Err=%d. FuncErr=%d\n",
+ gpool_index, gpool_index, ret, hdr.res_code);
+ ret = -EACCES;
+ goto err;
+ }
+err:
+ return ret;
+}
+
+static int
+octeontx_fpapf_aura_detach(unsigned int gpool_index)
+{
+ struct octeontx_mbox_fpa_cfg cfg = {0};
+ struct octeontx_mbox_hdr hdr = {0};
+ int ret = 0;
+
+ if (gpool_index >= FPA_MAX_POOL) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ cfg.aid = gpool_index; /* gpool is gaura */
+ hdr.coproc = FPA_COPROC;
+ hdr.msg = FPA_DETACHAURA;
+ hdr.vfid = gpool_index;
+ ret = octeontx_ssovf_mbox_send(&hdr, &cfg, sizeof(cfg), NULL, 0);
+ if (ret < 0) {
+ fpavf_log_err("Couldn't detach FPA aura %d Err=%d FuncErr=%d\n",
+ gpool_index, ret, hdr.res_code);
+ ret = -EINVAL;
+ }
+
+err:
+ return ret;
+}
+
+static int
+octeontx_fpavf_pool_setup(uintptr_t handle, unsigned long memsz,
+ void *memva, uint16_t gpool)
+{
+ uint64_t va_end;
+
+ if (unlikely(!handle))
+ return -ENODEV;
+
+ va_end = (uintptr_t)memva + memsz;
+ va_end &= ~RTE_CACHE_LINE_MASK;
+
+ /* VHPOOL setup */
+ fpavf_write64((uintptr_t)memva,
+ (void *)((uintptr_t)handle +
+ FPA_VF_VHPOOL_START_ADDR(gpool)));
+ fpavf_write64(va_end,
+ (void *)((uintptr_t)handle +
+ FPA_VF_VHPOOL_END_ADDR(gpool)));
+ return 0;
+}
+
+static int
+octeontx_fpapf_start_count(uint16_t gpool_index)
+{
+ int ret = 0;
+ struct octeontx_mbox_hdr hdr = {0};
+
+ if (gpool_index >= FPA_MAX_POOL) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ hdr.coproc = FPA_COPROC;
+ hdr.msg = FPA_START_COUNT;
+ hdr.vfid = gpool_index;
+ ret = octeontx_ssovf_mbox_send(&hdr, NULL, 0, NULL, 0);
+ if (ret < 0) {
+ fpavf_log_err("Could not start buffer counting for ");
+ fpavf_log_err("FPA pool %d. Err=%d. FuncErr=%d\n",
+ gpool_index, ret, hdr.res_code);
+ ret = -EINVAL;
+ goto err;
+ }
+
+err:
+ return ret;
+}
+
+static __rte_always_inline int
+octeontx_fpavf_free(unsigned int gpool)
+{
+ int ret = 0;
+
+ if (gpool >= FPA_MAX_POOL) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* Pool is free */
+ fpadev.pool[gpool].is_inuse = false;
+
+err:
+ return ret;
+}
+
+static __rte_always_inline int
+octeontx_gpool_free(uint16_t gpool)
+{
+ if (fpadev.pool[gpool].sz128 != 0) {
+ fpadev.pool[gpool].sz128 = 0;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/*
+ * Return buffer size for a given pool
+ */
+int
+octeontx_fpa_bufpool_block_size(uintptr_t handle)
+{
+ struct fpavf_res *res = NULL;
+ uint8_t gpool;
+
+ if (unlikely(!octeontx_fpa_handle_valid(handle)))
+ return -EINVAL;
+
+ /* get the gpool */
+ gpool = octeontx_fpa_bufpool_gpool(handle);
+ res = &fpadev.pool[gpool];
+ return FPA_CACHE_LINE_2_OBJSZ(res->sz128);
+}
+
+uintptr_t
+octeontx_fpa_bufpool_create(unsigned int object_size, unsigned int object_count,
+ unsigned int buf_offset, char **va_start,
+ int node_id)
+{
+ unsigned int gpool;
+ void *memva;
+ unsigned long memsz;
+ uintptr_t gpool_handle;
+ uintptr_t pool_bar;
+ int res;
+
+ RTE_SET_USED(node_id);
+ FPAVF_STATIC_ASSERTION(sizeof(struct rte_mbuf) <=
+ OCTEONTX_FPAVF_BUF_OFFSET);
+
+ if (unlikely(*va_start == NULL))
+ goto error_end;
+
+ object_size = RTE_CACHE_LINE_ROUNDUP(object_size);
+ if (object_size > FPA_MAX_OBJ_SIZE) {
+ errno = EINVAL;
+ goto error_end;
+ }
+
+ rte_spinlock_lock(&fpadev.lock);
+ res = octeontx_fpa_gpool_alloc(object_size);
+
+ /* Bail if failed */
+ if (unlikely(res < 0)) {
+ errno = res;
+ goto error_unlock;
+ }
+
+ /* get fpavf */
+ gpool = res;
+
+ /* get pool handle */
+ gpool_handle = octeontx_fpa_gpool2handle(gpool);
+ if (!octeontx_fpa_handle_valid(gpool_handle)) {
+ errno = ENOSPC;
+ goto error_gpool_free;
+ }
+
+ /* Get pool bar address from handle */
+ pool_bar = gpool_handle & ~(uint64_t)FPA_GPOOL_MASK;
+
+ res = octeontx_fpapf_pool_setup(gpool, object_size, buf_offset,
+ object_count);
+ if (res < 0) {
+ errno = res;
+ goto error_gpool_free;
+ }
+
+ /* populate AURA fields */
+ res = octeontx_fpapf_aura_attach(gpool);
+ if (res < 0) {
+ errno = res;
+ goto error_pool_destroy;
+ }
+
+ /* vf pool setup */
+ memsz = object_size * object_count;
+ memva = *va_start;
+ res = octeontx_fpavf_pool_setup(pool_bar, memsz, memva, gpool);
+ if (res < 0) {
+ errno = res;
+ goto error_gaura_detach;
+ }
+
+ /* Release lock */
+ rte_spinlock_unlock(&fpadev.lock);
+
+ /* populate AURA registers */
+ fpavf_write64(object_count, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT(gpool)));
+ fpavf_write64(object_count, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT_LIMIT(gpool)));
+ fpavf_write64(object_count + 1, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT_THRESHOLD(gpool)));
+
+ octeontx_fpapf_start_count(gpool);
+
+ return gpool_handle;
+
+error_gaura_detach:
+ (void) octeontx_fpapf_aura_detach(gpool);
+error_pool_destroy:
+ octeontx_fpavf_free(gpool);
+ octeontx_fpapf_pool_destroy(gpool);
+error_gpool_free:
+ octeontx_gpool_free(gpool);
+error_unlock:
+ rte_spinlock_unlock(&fpadev.lock);
+error_end:
+ return (uintptr_t)NULL;
+}
+
static void
octeontx_fpavf_setup(void)
{
git.droids-corp.org / dpdk.git / blobdiff