diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/drivers/net/octeontx2/rvu_common.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/drivers/net/octeontx2/rvu_common.c')
| -rw-r--r-- | roms/u-boot/drivers/net/octeontx2/rvu_common.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/net/octeontx2/rvu_common.c b/roms/u-boot/drivers/net/octeontx2/rvu_common.c new file mode 100644 index 000000000..173b28ba4 --- /dev/null +++ b/roms/u-boot/drivers/net/octeontx2/rvu_common.c @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018 Marvell International Ltd. + */ + +#include <dm.h> +#include <errno.h> +#include <malloc.h> +#include <misc.h> +#include <net.h> +#include <asm/io.h> + +#include "rvu.h" + +int qmem_alloc(struct qmem *q, u32 qsize, size_t entry_sz) +{ + q->base = memalign(CONFIG_SYS_CACHELINE_SIZE, qsize * entry_sz); + if (!q->base) + return -ENOMEM; + q->entry_sz = entry_sz; + q->qsize = qsize; + q->alloc_sz = (size_t)qsize * entry_sz; + q->iova = (dma_addr_t)(q->base); + debug("NIX: qmem alloc for (%d * %d = %ld bytes) at %p\n", + q->qsize, q->entry_sz, q->alloc_sz, q->base); + return 0; +} + +void qmem_free(struct qmem *q) +{ + if (q->base) + free(q->base); + memset(q, 0, sizeof(*q)); +} + +/** + * Allocates an admin queue for instructions and results + * + * @param aq admin queue to allocate for + * @param qsize Number of entries in the queue + * @param inst_size Size of each instruction + * @param res_size Size of each result + * + * @return -ENOMEM on error, 0 on success + */ +int rvu_aq_alloc(struct admin_queue *aq, unsigned int qsize, + size_t inst_size, size_t res_size) +{ + int err; + + err = qmem_alloc(&aq->inst, qsize, inst_size); + if (err) + return err; + err = qmem_alloc(&aq->res, qsize, res_size); + if (err) + qmem_free(&aq->inst); + + return err; +} + +/** + * Frees an admin queue + * + * @param aq Admin queue to free + */ +void rvu_aq_free(struct admin_queue *aq) +{ + qmem_free(&aq->inst); + qmem_free(&aq->res); + memset(aq, 0, sizeof(*aq)); +} |