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[SCSI] bfa: Added support for flash configuration

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- Added flash sub-module.
- Implemented the interface to read/erase/update flash partition.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Krishna Gudipati
2011-06-24 20:27:13 -07:00
committed by James Bottomley
parent 51e569aa1f
commit 5a54b1d576
9 changed files with 910 additions and 47 deletions
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72
drivers/scsi/bfa/bfa_ioc.h
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@@ -347,6 +347,28 @@ struct bfa_ioc_hwif_s {
bfa_boolean_t (*ioc_lpu_read_stat) (struct bfa_ioc_s *ioc);
};
/*
* Queue element to wait for room in request queue. FIFO order is
* maintained when fullfilling requests.
*/
struct bfa_reqq_wait_s {
struct list_head qe;
void (*qresume) (void *cbarg);
void *cbarg;
};
typedef void (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
/*
* Generic BFA callback element.
*/
struct bfa_cb_qe_s {
struct list_head qe;
bfa_cb_cbfn_t cbfn;
bfa_boolean_t once;
void *cbarg;
};
/*
* ASIC block configurtion related
*/
@@ -419,6 +441,56 @@ bfa_status_t bfa_sfp_speed(struct bfa_sfp_s *sfp,
enum bfa_port_speed portspeed,
bfa_cb_sfp_t cbfn, void *cbarg);
/*
* Flash module specific
*/
typedef void (*bfa_cb_flash_t) (void *cbarg, bfa_status_t status);
struct bfa_flash_s {
struct bfa_ioc_s *ioc; /* back pointer to ioc */
struct bfa_trc_mod_s *trcmod;
u32 type; /* partition type */
u8 instance; /* partition instance */
u8 rsv[3];
u32 op_busy; /* operation busy flag */
u32 residue; /* residual length */
u32 offset; /* offset */
bfa_status_t status; /* status */
u8 *dbuf_kva; /* dma buf virtual address */
u64 dbuf_pa; /* dma buf physical address */
struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
bfa_cb_flash_t cbfn; /* user callback function */
void *cbarg; /* user callback arg */
u8 *ubuf; /* user supplied buffer */
struct bfa_cb_qe_s hcb_qe; /* comp: BFA callback qelem */
u32 addr_off; /* partition address offset */
struct bfa_mbox_cmd_s mb; /* mailbox */
struct bfa_ioc_notify_s ioc_notify; /* ioc event notify */
struct bfa_mem_dma_s flash_dma;
};
#define BFA_FLASH(__bfa) (&(__bfa)->modules.flash)
#define BFA_MEM_FLASH_DMA(__bfa) (&(BFA_FLASH(__bfa)->flash_dma))
bfa_status_t bfa_flash_get_attr(struct bfa_flash_s *flash,
struct bfa_flash_attr_s *attr,
bfa_cb_flash_t cbfn, void *cbarg);
bfa_status_t bfa_flash_erase_part(struct bfa_flash_s *flash,
enum bfa_flash_part_type type, u8 instance,
bfa_cb_flash_t cbfn, void *cbarg);
bfa_status_t bfa_flash_update_part(struct bfa_flash_s *flash,
enum bfa_flash_part_type type, u8 instance,
void *buf, u32 len, u32 offset,
bfa_cb_flash_t cbfn, void *cbarg);
bfa_status_t bfa_flash_read_part(struct bfa_flash_s *flash,
enum bfa_flash_part_type type, u8 instance, void *buf,
u32 len, u32 offset, bfa_cb_flash_t cbfn, void *cbarg);
u32 bfa_flash_meminfo(bfa_boolean_t mincfg);
void bfa_flash_attach(struct bfa_flash_s *flash, struct bfa_ioc_s *ioc,
void *dev, struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg);
void bfa_flash_memclaim(struct bfa_flash_s *flash,
u8 *dm_kva, u64 dm_pa, bfa_boolean_t mincfg);
#define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func)
#define bfa_ioc_devid(__ioc) ((__ioc)->pcidev.device_id)
#define bfa_ioc_bar0(__ioc) ((__ioc)->pcidev.pci_bar_kva)