| ATA_HOST_ALLOC(9) | libata Library | ATA_HOST_ALLOC(9) |
NAME¶
ata_host_alloc - allocate and init basic ATA host resources
SYNOPSIS¶
struct ata_host * ata_host_alloc(struct device * dev, int max_ports);
ARGUMENTS¶
dev
generic device this host is associated with
max_ports
maximum number of ATA ports associated with this
host
DESCRIPTION¶
Allocate and initialize basic ATA host resources. LLD calls this function to allocate a host, initializes it fully and attaches it using ata_host_register.
max_ports ports are allocated and host->n_ports is initialized to max_ports. The caller is allowed to decrease host->n_ports before calling ata_host_register. The unused ports will be automatically freed on registration.
RETURNS¶
Allocate ATA host on success, NULL on failure.
LOCKING¶
Inherited from calling layer (may sleep).
AUTHOR¶
Jeff Garzik
Author.
COPYRIGHT¶
| June 2023 | Kernel Hackers Manual 3.10 |