iscsi_host_alloc(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… iscsi_host_alloc(9)

okay so bestie, you're in the Kernel API Manual and today's main character is iscsi_host_alloc β€” the function that literally hands you a host and the driver data to go with it. two for one, slay ✨


🌸 NAME 🌸

iscsi_host_alloc β€” allocate a host and driver data 🫢


✨ SYNOPSIS ✨

struct Scsi_Host * iscsi_host_alloc (const struct scsi_host_template
*sht , int dd_data_size , bool xmit_can_sleep );

like, that's the whole vibe. returns you a struct Scsi_Host *, takes three arguments, periodt πŸ’…


πŸŽ€ ARGUMENTS πŸŽ€

  • sht β€” the scsi host template, your blueprint basically πŸ‘‘
  • dd_data_size β€” how big the driver host data is, size matters bestie
  • xmit_can_sleep β€” a bool saying whether the LLD is gonna queue IO from a work queue 😴

πŸ¦‹ DESCRIPTION πŸ¦‹

so here's the tea: this is what partial offload drivers and software iscsi drivers should be calling. no cap, that's the audience πŸ’–

and when you wanna get at that driver-specific memory? you use the iscsi_host_priv macro. that's the key to the private stash, iykyk πŸ”‘


🌈 SEE ALSO 🌈

kernel file ./drivers/scsi/libiscsi.c and honestly the whole friend group:

like, go read them, they're all iconic in their own way ⭐


πŸ’œ SIGN-OFF πŸ’œ

that's a wrap bestie!! this one lives in ./drivers/scsi, dated October 2026 β€” go be great with your host allocation, mwah πŸŽ€πŸ§šπŸ’–

πŸ“¦ where this page comes from