diff options
Diffstat (limited to 'sys/dev/mpt/mpt.h')
| -rw-r--r-- | sys/dev/mpt/mpt.h | 74 |
1 files changed, 42 insertions, 32 deletions
diff --git a/sys/dev/mpt/mpt.h b/sys/dev/mpt/mpt.h index 4a132c6..b1403c1 100644 --- a/sys/dev/mpt/mpt.h +++ b/sys/dev/mpt/mpt.h @@ -86,13 +86,21 @@ #include <sys/bus.h> #include <sys/module.h> -#include <machine/bus.h> #include <machine/clock.h> #include <machine/cpu.h> #include <machine/resource.h> #include <sys/rman.h> +#if __FreeBSD_version < 500000 +#include <pci/pcireg.h> +#include <pci/pcivar.h> +#else +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> +#endif + +#include <machine/bus.h> #include "opt_ddb.h" /**************************** Register Definitions ****************************/ @@ -247,6 +255,7 @@ struct req_entry { bus_addr_t req_pbuf; /* Physical Address of Entry */ bus_addr_t sense_pbuf; /* Physical Address of sense data */ bus_dmamap_t dmap; /* DMA map for data buffer */ + struct req_entry *chain; /* for SGE overallocations */ }; /**************************** Handler Registration ****************************/ @@ -376,7 +385,8 @@ struct mpt_softc { struct mtx mpt_lock; #endif uint32_t mpt_pers_mask; - uint32_t : 15, + uint32_t : 14, + is_sas : 1, raid_mwce_set : 1, getreqwaiter : 1, shutdwn_raid : 1, @@ -397,6 +407,7 @@ struct mpt_softc { uint16_t request_frame_size; uint8_t mpt_max_devices; uint8_t mpt_max_buses; + uint8_t ioc_facts_flags; /* * Port Facts @@ -486,6 +497,11 @@ struct mpt_softc { uint8_t *request; /* KVA of Request memory */ bus_addr_t request_phys; /* BusADdr of request memory */ + uint32_t max_seg_cnt; /* calculated after IOC facts */ + + /* + * Hardware management + */ u_int reset_cnt; /* @@ -658,11 +674,11 @@ mpt_pio_read(struct mpt_softc *mpt, int offset) } /*********************** Reply Frame/Request Management ***********************/ /* Max MPT Reply we are willing to accept (must be power of 2) */ -#define MPT_REPLY_SIZE 128 +#define MPT_REPLY_SIZE 256 -#define MPT_MAX_REQUESTS(mpt) ((mpt)->is_fc ? 1024 : 256) -#define MPT_REQUEST_AREA 512 -#define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_SIZE */ +#define MPT_MAX_REQUESTS(mpt) 512 +#define MPT_REQUEST_AREA 512 +#define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_AREA */ #define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA) #define MPT_CONTEXT_CB_SHIFT (16) @@ -714,33 +730,25 @@ mpt_pop_reply_queue(struct mpt_softc *mpt) void mpt_complete_request_chain(struct mpt_softc *mpt, struct req_queue *chain, u_int iocstatus); /************************** Scatter Gather Managment **************************/ -/* - * We cannot tell prior to getting IOC facts how big the IOC's request - * area is. Because of this we cannot tell at compile time how many - * simple SG elements we can fit within an IOC request prior to having - * to put in a chain element. - * - * Experimentally we know that the Ultra4 parts have a 96 byte request - * element size and the Fibre Channel units have a 144 byte request - * element size. Therefore, if we have 512-32 (== 480) bytes of request - * area to play with, we have room for between 3 and 5 request sized - * regions- the first of which is the command plus a simple SG list, - * the rest of which are chained continuation SG lists. Given that the - * normal request we use is 48 bytes w/o the first SG element, we can - * assume we have 480-48 == 432 bytes to have simple SG elements and/or - * chain elements. If we assume 32 bit addressing, this works out to - * 54 SG or chain elements. If we assume 5 chain elements, then we have - * a maximum of 49 seperate actual SG segments. - */ -#define MPT_SGL_MAX 49 - +/* MPT_RQSL- size of request frame, in bytes */ #define MPT_RQSL(mpt) (mpt->request_frame_size << 2) -#define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof (SGE_SIMPLE32)) -#define MPT_NSGL_FIRST(mpt) \ - (((mpt->request_frame_size << 2) - \ - sizeof (MSG_SCSI_IO_REQUEST) - \ - sizeof (SGE_IO_UNION)) / sizeof (SGE_SIMPLE32)) +/* MPT_NSGL- how many SG entries can fit in a request frame size */ +#define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof (SGE_IO_UNION)) + +/* MPT_NRFM- how many request frames can fit in each request alloc we make */ +#define MPT_NRFM(mpt) (MPT_REQUEST_AREA / MPT_RQSL(mpt)) + +/* + * MPT_NSGL_FIRST- # of SG elements that can fit after + * an I/O request but still within the request frame. + * Do this safely based upon SGE_IO_UNION. + * + * Note that the first element is *within* the SCSI request. + */ +#define MPT_NSGL_FIRST(mpt) \ + ((MPT_RQSL(mpt) - sizeof (MSG_SCSI_IO_REQUEST) + sizeof (SGE_IO_UNION)) / \ + sizeof (SGE_IO_UNION)) /***************************** IOC Initialization *****************************/ int mpt_reset(struct mpt_softc *, int /*reinit*/); @@ -763,7 +771,8 @@ enum { MPT_PRT_WARN, MPT_PRT_INFO, MPT_PRT_DEBUG, - MPT_PRT_TRACE + MPT_PRT_TRACE, + MPT_PRT_NONE=100 }; #define mpt_lprt(mpt, level, ...) \ @@ -850,4 +859,5 @@ void mpt_req_state(mpt_req_state_t state); void mpt_print_config_request(void *vmsg); void mpt_print_request(void *vmsg); void mpt_print_scsi_io_request(MSG_SCSI_IO_REQUEST *msg); +void mpt_dump_sgl(SGE_IO_UNION *se, int offset); #endif /* _MPT_H_ */ |
