X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fieee1394%2Fhighlevel.h;h=bc5d0854c17e940c9509009b098cbf9482f6a695;hp=50f2dd2c7e20afecc2dde1b95c78eeac070730da;hb=849c529f57020cc47085400edd5e641d95cd4faf;hpb=c45aa055c32b488fc3fd73c760df372b09acf69a diff --git a/drivers/ieee1394/highlevel.h b/drivers/ieee1394/highlevel.h index 50f2dd2c7e20..bc5d0854c17e 100644 --- a/drivers/ieee1394/highlevel.h +++ b/drivers/ieee1394/highlevel.h @@ -2,7 +2,7 @@ #define IEEE1394_HIGHLEVEL_H #include -#include +#include #include struct module; @@ -24,12 +24,9 @@ struct hpsb_address_serve { /* Only the following structures are of interest to actual highlevel drivers. */ struct hpsb_highlevel { - struct module *owner; const char *name; - /* Any of the following pointers can legally be NULL, except for - * iso_receive which can only be NULL when you don't request - * channels. */ + /* Any of the following pointers can legally be NULL. */ /* New host initialized. Will also be called during * hpsb_register_highlevel for all hosts already installed. */ @@ -44,13 +41,6 @@ struct hpsb_highlevel { * You can not expect to be able to do stock hpsb_reads. */ void (*host_reset)(struct hpsb_host *host); - /* An isochronous packet was received. Channel contains the channel - * number for your convenience, it is also contained in the included - * packet header (first quadlet, CRCs are missing). You may get called - * for channel/host combinations you did not request. */ - void (*iso_receive)(struct hpsb_host *host, int channel, - quadlet_t *data, size_t length); - /* A write request was received on either the FCP_COMMAND (direction = * 0) or the FCP_RESPONSE (direction = 1) register. The cts arg * contains the cts field (first byte of data). */ @@ -100,16 +90,6 @@ struct hpsb_address_ops { void highlevel_add_host(struct hpsb_host *host); void highlevel_remove_host(struct hpsb_host *host); void highlevel_host_reset(struct hpsb_host *host); - -/* - * These functions are called to handle transactions. They are called when a - * packet arrives. The flags argument contains the second word of the first - * header quadlet of the incoming packet (containing transaction label, retry - * code, transaction code and priority). These functions either return a - * response code or a negative number. In the first case a response will be - * generated. In the latter case, no response will be sent and the driver which - * handled the request will send the response itself. - */ int highlevel_read(struct hpsb_host *host, int nodeid, void *data, u64 addr, unsigned int length, u16 flags); int highlevel_write(struct hpsb_host *host, int nodeid, int destid, void *data, @@ -120,30 +100,23 @@ int highlevel_lock(struct hpsb_host *host, int nodeid, quadlet_t *store, int highlevel_lock64(struct hpsb_host *host, int nodeid, octlet_t *store, u64 addr, octlet_t data, octlet_t arg, int ext_tcode, u16 flags); - -void highlevel_iso_receive(struct hpsb_host *host, void *data, size_t length); void highlevel_fcp_request(struct hpsb_host *host, int nodeid, int direction, void *data, size_t length); -/* - * Register highlevel driver. The name pointer has to stay valid at all times - * because the string is not copied. +/** + * hpsb_init_highlevel - initialize a struct hpsb_highlevel + * + * This is only necessary if hpsb_get_hostinfo_bykey can be called + * before hpsb_register_highlevel. */ +static inline void hpsb_init_highlevel(struct hpsb_highlevel *hl) +{ + rwlock_init(&hl->host_info_lock); + INIT_LIST_HEAD(&hl->host_info_list); +} void hpsb_register_highlevel(struct hpsb_highlevel *hl); void hpsb_unregister_highlevel(struct hpsb_highlevel *hl); -/* - * Register handlers for host address spaces. Start and end are 48 bit pointers - * and have to be quadlet aligned. Argument "end" points to the first address - * behind the handled addresses. This function can be called multiple times for - * a single hpsb_highlevel to implement sparse register sets. The requested - * region must not overlap any previously allocated region, otherwise - * registering will fail. - * - * It returns true for successful allocation. Address spaces can be - * unregistered with hpsb_unregister_addrspace. All remaining address spaces - * are automatically deallocated together with the hpsb_highlevel. - */ u64 hpsb_allocate_and_register_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host, struct hpsb_address_ops *ops, @@ -154,44 +127,14 @@ int hpsb_register_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host, int hpsb_unregister_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host, u64 start); -/* - * Enable or disable receving a certain isochronous channel through the - * iso_receive op. - */ -int hpsb_listen_channel(struct hpsb_highlevel *hl, struct hpsb_host *host, - unsigned int channel); -void hpsb_unlisten_channel(struct hpsb_highlevel *hl, struct hpsb_host *host, - unsigned int channel); - -/* Retrieve a hostinfo pointer bound to this driver/host */ void *hpsb_get_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host); - -/* Allocate a hostinfo pointer of data_size bound to this driver/host */ void *hpsb_create_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host, size_t data_size); - -/* Free and remove the hostinfo pointer bound to this driver/host */ void hpsb_destroy_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host); - -/* Set an alternate lookup key for the hostinfo bound to this driver/host */ void hpsb_set_hostinfo_key(struct hpsb_highlevel *hl, struct hpsb_host *host, unsigned long key); - -/* Retrieve the alternate lookup key for the hostinfo bound to this - * driver/host */ -unsigned long hpsb_get_hostinfo_key(struct hpsb_highlevel *hl, - struct hpsb_host *host); - -/* Retrieve a hostinfo pointer bound to this driver using its alternate key */ void *hpsb_get_hostinfo_bykey(struct hpsb_highlevel *hl, unsigned long key); - -/* Set the hostinfo pointer to something useful. Usually follows a call to - * hpsb_create_hostinfo, where the size is 0. */ int hpsb_set_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host, void *data); -/* Retrieve hpsb_host using a highlevel handle and a key */ -struct hpsb_host *hpsb_get_host_bykey(struct hpsb_highlevel *hl, - unsigned long key); - #endif /* IEEE1394_HIGHLEVEL_H */