nvm_sgl - Scather/Gather Lists¶

When using the nvm_cmd option NVM_CMD_SGL, then use these functions to manage the Scather/Gather Lists.

nvm_sgl¶

struct nvm_sgl¶: Opaque handle for a Scatter Gather List (SGL).

nvm_sgl_add¶

void nvm_sgl_add(struct nvm_sgl * sgl, void * buf, size_t nbytes)¶

Add an entry to the SGL.

See

See

Parameters

sgl: Pointer to sgl as allocated by nvm_sgl_alloc
buf: Pointer to buffer as allocated with nvm_buf_alloc
nbytes: Size of the given buffer in bytes

nvm_sgl_alloc¶

struct nvm_sgl* nvm_sgl_alloc(void)¶

Allocate a SGL.

See: nvm_sgl_add
See: nvm_sgl_free
Return: An initialized (empty) SGL.

nvm_sgl_free¶

void nvm_sgl_free(struct nvm_sgl * sgl)¶

De-allocate an SGL.

See

Parameters

sgl: Pointer to sgl as allocated by nvm_sgl_alloc