diff options
Diffstat (limited to 'qemu/roms/SLOF/lib/libvirtio')
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/Makefile | 55 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/p9.c | 575 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/p9.h | 68 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio-9p.c | 347 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio-9p.h | 32 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio-blk.c | 215 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio-blk.h | 60 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio-internal.h | 48 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio-net.c | 361 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio-net.h | 34 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio-scsi.c | 155 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio-scsi.h | 69 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio.c | 576 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio.code | 167 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio.h | 128 | ||||
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio.in | 35 |
16 files changed, 0 insertions, 2925 deletions
diff --git a/qemu/roms/SLOF/lib/libvirtio/Makefile b/qemu/roms/SLOF/lib/libvirtio/Makefile deleted file mode 100644 index bd6a1fae4..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/Makefile +++ /dev/null @@ -1,55 +0,0 @@ -# ***************************************************************************** -# * Copyright (c) 2004, 2008 IBM Corporation -# * All rights reserved. -# * This program and the accompanying materials -# * are made available under the terms of the BSD License -# * which accompanies this distribution, and is available at -# * http://www.opensource.org/licenses/bsd-license.php -# * -# * Contributors: -# * IBM Corporation - initial implementation -# ****************************************************************************/ - -TOPCMNDIR ?= ../.. - -include $(TOPCMNDIR)/make.rules - -ASFLAGS = $(FLAG) $(RELEASE) $(CPUARCHDEF) -Wa,-mregnames -CPPFLAGS = -I../libc/include $(CPUARCHDEF) -I$(INCLBRDDIR) \ - -I$(INCLCMNDIR) -I$(INCLCMNDIR)/$(CPUARCH) -LDFLAGS = -nostdlib - -TARGET = ../libvirtio.a - - -all: $(TARGET) - -SRCS = virtio.c virtio-blk.c p9.c virtio-9p.c virtio-scsi.c virtio-net.c - -OBJS = $(SRCS:%.c=%.o) - -$(TARGET): $(OBJS) - $(AR) -rc $@ $(OBJS) - $(RANLIB) $@ - -%.o: %.S - $(CC) $(CPPFLAGS) $(ASFLAGS) -c $< -o $@ - -clean: - $(RM) $(TARGET) $(OBJS) - -distclean: clean - $(RM) Makefile.dep - - -# Rules for creating the dependency file: -depend: - $(RM) Makefile.dep - $(MAKE) Makefile.dep - -Makefile.dep: Makefile - $(CC) -M $(CPPFLAGS) $(CFLAGS) $(SRCS) $(SRCSS) > Makefile.dep - -# Include dependency file if available: --include Makefile.dep - diff --git a/qemu/roms/SLOF/lib/libvirtio/p9.c b/qemu/roms/SLOF/lib/libvirtio/p9.c deleted file mode 100644 index 0e5953031..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/p9.c +++ /dev/null @@ -1,575 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <stdio.h> -#include <stdint.h> -#include <string.h> -#include <byteorder.h> -#include "p9.h" - - -/* Protocol stack marshaling. */ -uint8_t *sp; - -#define GET_08(s,i) (s)[(i)] -#define GET_16(s,i) le16_to_cpu(*(uint16_t*)(&(s)[(i)])) -#define GET_32(s,i) le32_to_cpu(*(uint32_t*)(&(s)[(i)])) -#define GET_64(s,i) le64_to_cpu(*(uint64_t*)(&(s)[(i)])) - -#define SET_08(s,i,v) (s)[(i)] = (v) -#define SET_16(s,i,v) *(uint16_t*)(&(s)[(i)]) = cpu_to_le16(v) -#define SET_32(s,i,v) *(uint32_t*)(&(s)[(i)]) = cpu_to_le32(v) -#define SET_64(s,i,v) *(uint64_t*)(&(s)[(i)]) = cpu_to_le64(v) - -#define PUT_08(v) sp[0] = (v);sp+=1 -#define PUT_16(v) *(uint16_t*)(&sp[0]) = cpu_to_le16(v);sp+=2 -#define PUT_32(v) *(uint32_t*)(&sp[0]) = cpu_to_le32(v);sp+=4 -#define PUT_64(v) *(uint64_t*)(&sp[0]) = cpu_to_le64(v);sp+=8 - -#define PUT_HD(m,t) PUT_32(0);PUT_08(m);PUT_16(t) -#define PUT_SN(v,n) PUT_16(n);memcpy(sp,(v),(n));sp+=n -#define PUT_ST(v) PUT_16(strlen(v));memcpy(sp,(v),strlen(v));\ - sp+=strlen(v) - -#define GET_SIZE (sp - tx) - - -/* General defines. */ -#define MIN(a,b) ((a)>(b)?(b):(a)) - -#define NOTAG ((uint16_t)~0) -#define NOFID ((uint32_t)~0) -#define TAG 1 -#define BUF_SIZE (8*1024) - -#define VERSION "9P2000.u" -#define UNKNOWN_VER "unknown" - -#define MSG_SIZE 0 -#define MSG_ID 4 -#define MSG_ERR 0x6b -#define MSG_ERR_STR 9 -#define MSG_ERR_STR_LEN 7 -#define MSG_TAG 5 -#define MSG_VER_MSIZE 7 -#define MSG_VER_STR_LEN 11 -#define MSG_VER_STR 13 -#define MSG_WALK_TX_ELMT 15 -#define MSG_WALK_RX_ELMT 7 -#define MSG_SIZE 0 -#define MSG_WALK_MAX_ELMT 16 -#define MSG_QID_SIZE 13 -#define MSG_WALK_RX_HDR_SIZE 9 -#define MSG_OPEN_IOUNIT 20 -#define MSG_OPEN_MODE_MASK 0x5f -#define MSG_READ_COUNT 7 -#define MSG_READ_DATA 11 -#define MSG_STAT_LEN 42 -#define MSG_STAT_TYPE 17 - -#define T_VERSION 100 -#define R_VERSION (T_VERSION + 1) -#define T_ATTACH 104 -#define R_ATTACH (T_ATTACH + 1) -#define T_ERROR 106 -#define R_ERROR (T_ERROR + 1) -#define T_WALK 110 -#define R_WALK (T_WALK + 1) -#define T_OPEN 112 -#define R_OPEN (T_OPEN + 1) -#define T_READ 116 -#define R_READ (T_READ + 1) -#define T_CLUNK 120 -#define R_CLUNK (T_CLUNK + 1) -#define T_STAT 124 -#define R_STAT (T_STAT + 1) - -static p9_transact_t transact; -static void *transact_opaque; -static uint8_t *tx; -static uint8_t *rx; - - -/** - * p9_reg_transport - * - * Registers a transport function for use by the P9 protocol. The transport - * connects the P9 Client (this library) to a server instance. - * - * @param transact_func[in] Function pointer to type p9_transact_t. - * @param tx_buffer[in] TX buffer, must be 8k in size. - * @param rx_buffer[in] RX buffer, must be 8k in size. - */ -void p9_reg_transport(p9_transact_t transact_func, void *opaque, - uint8_t *tx_buffer, uint8_t *rx_buffer) -{ - transact = transact_func; - transact_opaque = opaque; - tx = tx_buffer; - rx = rx_buffer; -} - -/** - * reset_buffers - * - * Reset the RX and TX buffers to BUF_SIZE (8k) and reset the Stack Pointer - * for the TX buffer, which is referenced by the PUT_* macro's. - */ -void reset_buffers(void) -{ - memset(tx, 0, BUF_SIZE); - memset(rx, 0, BUF_SIZE); - sp = tx; -} - -/** - * p9_transaction - * - * Perform a transaction (send/recv) over the registered transport. - * - * @param connection[in|out] Connection object. - * @return 0 = success, -ve = error. - */ -int p9_transaction(p9_connection_t *connection) -{ - int rc; - int tx_size = GET_SIZE; - uint32_t rx_size = connection->message_size; - - if (transact == NULL) { - return P9_NO_TRANSPORT; - } - if (tx == NULL || rx == NULL) { - return P9_NO_BUFFER; - } - if (connection->message_size > BUF_SIZE) { - return P9_MSG_SIZE_TOO_BIG; - } - if (tx_size > connection->message_size) { - return P9_MSG_TOO_LONG; - } - - SET_32(tx, MSG_SIZE, tx_size); - rc = transact(transact_opaque, tx, tx_size, rx, &rx_size); - - if (rc != 0) { - return P9_TRANSPORT_ERROR; - } - if (GET_16(tx, MSG_TAG) != GET_16(rx, MSG_TAG)) { - return P9_UNEXPECTED_TAG; - } - if (GET_08(rx, MSG_ID) == MSG_ERR) { - char error_string[200]; - - memset(error_string, 0, 200); - strncpy(error_string, (char *)&rx[MSG_ERR_STR], - MIN(200 - 1, GET_16(rx, MSG_ERR_STR_LEN))); -#ifndef TEST - printf("\nError: %s\n", error_string); -#endif - return P9_R_ERROR; - } - if ((GET_08(tx, MSG_ID) + 1) != GET_08(rx, MSG_ID)) { - return P9_UNEXPECTED_MSG; - } - - return 0; -} - -/** - * p9_version - * - * Called to start a session. Negotiates the maximum message size for the - * P9 protocol. - * - * @param connection[in|out] Connection object, contains message_size. - * @return 0 = success, -ve = error. - * - * @remark - * size[4] Tversion tag[2] msize[4] version[s] - * size[4] Rversion tag[2] msize[4] version[s] - */ -int p9_version(p9_connection_t *connection) -{ - int rc; - char *ver_str; - int ver_len; - - reset_buffers(); - - /* Build message. */ - PUT_HD(T_VERSION, NOTAG); - PUT_32(connection->message_size); - PUT_ST(VERSION); - - /* Send message. */ - rc = p9_transaction(connection); - if (rc != 0) { - return rc; - } - - /* Handle response. */ - connection->message_size = MIN(connection->message_size, - GET_32(rx, MSG_VER_MSIZE)); - - ver_str = (char *)&rx[MSG_VER_STR]; - ver_len = GET_16(rx, MSG_VER_STR_LEN); - if (strncmp(UNKNOWN_VER, ver_str, ver_len) == 0) { - return P9_UNKNOWN_VERSION; - } - - - return 0; -} - -/** - * p9_attach - * - * Called to open a connection for a user to a file tree on the server. There - * is no authorisation undertaken (NOFID). - * - * @param connection[in|out] Connection object, contains uname and aname as - * well as the connection fid and returned qid. - * @return 0 = success, -ve = error. - * - * @remark - * size[4] Tattach tag[2] fid[4] afid[4] uname[s] aname[s] n_uname[4] - * size[4] Rattach tag[2] qid[13] - */ -int p9_attach(p9_connection_t *connection) -{ - int rc; - int length = 19 + strlen(connection->uname) + strlen(connection->aname); - - if (length > connection->message_size) { - return P9_MSG_TOO_LONG; - } - - reset_buffers(); - - /* Build message. */ - PUT_HD(T_ATTACH, TAG); - PUT_32(connection->fid); - PUT_32(NOFID); - PUT_ST(connection->uname); - PUT_ST(connection->aname); - PUT_32(~0); /* ??? */ - - /* Send message. */ - rc = p9_transaction(connection); - if (rc != 0) { - return rc; - } - - - return 0; -} - -/** - * p9_clunk - * - * Called when closing a file or connection (or after failed opens). Tells the - * server that the supplied fid is no longer needed by this client. - * - * @param connection[in|out] Connection object. - * @param fid[in] Fid to be clunked (released) on the server. - * @return 0 = success, -ve = error. - * - * @remark - * size[4] Tclunk tag[2] fid[4] - * size[4] Rclunk tag[2] - */ -int p9_clunk(p9_connection_t *connection, uint32_t fid) -{ - int rc; - - reset_buffers(); - - /* Build message. */ - PUT_HD(T_CLUNK, TAG); - PUT_32(fid); - - /* Send message. */ - rc = p9_transaction(connection); - if (rc != 0) { - return rc; - } - - - return 0; -} - -/** - * p9_walk - * - * Walk the provided path to a file (or directory) starting at the directory - * indicated by fid and assigning new_fid to the last successfully walked - * element. If not all elements of the path can be walked then the pos - * pointer is set to the part of the path following the last successful - * walked element. The function can be called again to walk the remainder - * of the path (or produce an error). - * - * @param connection[in] Connection object. - * @param fid[in] Fid to start walk from, must be directory or root (from - * call to p9_attach). - * @param new_fid[in] Fid to be used for the last walked element. - * @param pos[in|out] Position in path that remains to be walked. If the - * path was completely walked without error this will point to the NULL - * at the end of path. - * @return 1 = partial walk, 0 = success, -ve = error. - * - * @remark - * size[4] Twalk tag[2] fid[4] newfid[4] nwname[2] nwname*(wname[s]) - * size[4] Rwalk tag[2] nwqid[2] nwqid*(qid[13]) - */ -int p9_walk(p9_connection_t *connection, uint32_t fid, uint32_t new_fid, - uint8_t **pos) -{ - int rc; - const char *path = (const char *)*pos; - uint8_t *s_tok; - uint8_t *e_tok; - int element_count = 0; - - if (path == NULL) { - *pos = NULL; - return P9_NULL_PATH; - } - - reset_buffers(); - - /* Build message. */ - PUT_HD(T_WALK, TAG); /* Length to 0, set later. */ - PUT_32(fid); - PUT_32(new_fid); - PUT_16(0); /* Element count to 0, set later. */ - - /* Get elements from path, and append to message. */ - s_tok = (uint8_t *)path; - e_tok = s_tok; - - while (*s_tok != 0) { - while (*s_tok == '/') { - s_tok++; - } - e_tok = s_tok; - while ((*e_tok != '/') && (*e_tok != 0)) { - e_tok++; - } - - /* Check the element is OK. */ - if (strncmp(".", (const char *)s_tok, (e_tok - s_tok)) == 0) { - /* Don't send ".", continue to next. */ - s_tok = e_tok; - continue; - } - int tx_size = (e_tok - s_tok + 2 + GET_SIZE); - int rx_size = ((element_count + 1) * MSG_QID_SIZE - + MSG_WALK_RX_HDR_SIZE); - if ((tx_size > connection->message_size) - || (rx_size > connection->message_size)) { - /* - * Element makes TX msg too long OR expected RX msg - * too long. Move pos to previous element and do - * partial walk. - */ - e_tok = s_tok; - if (*(e_tok - 1) == '/') { - e_tok--; - } - break; - } - - /* Add the element to the message. */ - PUT_SN(s_tok, e_tok - s_tok); - element_count++; - - /* Server supports no more than 16 elements, partial walk. */ - if (element_count == MSG_WALK_MAX_ELMT) { - break; - } - - /* Ready to find the next element. */ - s_tok = e_tok; - } - - if ((element_count == 0) && (strlen(path) > 0)) { - return P9_PATH_ELEMENT_TOO_LONG; - } - - *pos = e_tok; - - /* Update counts and then send message. */ - SET_16(tx, MSG_WALK_TX_ELMT, element_count); - rc = p9_transaction(connection); - if (rc != 0) { - return rc; - } - - /* Check for special return conditions. */ - if (element_count != GET_16(rx, MSG_WALK_RX_ELMT)) { - /* Find the last element successfully walked */ - s_tok = (uint8_t *)path; - e_tok = s_tok; - element_count = GET_16(rx, MSG_WALK_RX_ELMT); - - while (element_count--) { - while (*s_tok == '/') { - s_tok++; - } - - e_tok = s_tok; - - while ((*e_tok != '/') && (*e_tok != 0)) { - e_tok++; - } - - s_tok = e_tok; - } - - *pos = e_tok; - } - if (**pos != 0) { - rc = P9_PARTIAL_WALK; - } - - - return rc; -} - -/** - * p9_open - * - * Opens the file represented by fid with associated mode bit mask. The iounit - * size returned from the server is written to the connection object. - * - * @param file[in|out] File object, contains fid for file. - * @param mode[in] Mode to open with. Bit's 0=R, 1=W, 2=RW, 3=EX, 4=Trunc - * and 6=Delete on Close. - * @return 0 = success, -ve = error. - * - * @remark - * size[4] Topen tag[2] fid[4] mode[1] - * size[4] Ropen tag[2] qid[13] iounit[4] - */ -int p9_open(p9_file_t *file, uint8_t mode) -{ - int rc; - p9_connection_t *connection = file->connection; - - reset_buffers(); - file->iounit = 0; - - /* Build message. */ - PUT_HD(T_OPEN, TAG); - PUT_32(file->fid); - PUT_08(mode & MSG_OPEN_MODE_MASK); - - /* Send message. */ - rc = p9_transaction(connection); - if (rc != 0) { - return rc; - } - - /* Handle response. */ - file->iounit = GET_32(rx, MSG_OPEN_IOUNIT); - - - return 0; -} - -/** - * p9_read - * - * Reads the file in to buffer. - * - * @param file[in] File object, contains fid for file. - * @param buffer[out] Buffer for data. - * @param count[in] Number of bytes to read (less bytes than requested - * may be read). - * @param offset[in] Offset in file to read from. - * @return Bytes read, -ve = error. - * - * @remark - * size[4] Tread tag[2] fid[4] offset[8] count[4] - * size[4] Rread tag[2] count[4] data[count] - */ -int p9_read(p9_file_t *file, uint8_t *buffer, - uint32_t count, uint64_t offset) -{ - int rc; - p9_connection_t *connection = file->connection; - uint32_t got; - - reset_buffers(); - count = MIN((connection->message_size - MSG_READ_DATA), count); - - /* Build message. */ - PUT_HD(T_READ, TAG); - PUT_32(file->fid); - PUT_64(offset); - PUT_32(count); - - /* Send message. */ - rc = p9_transaction(connection); - if (rc != 0) { - return rc; - } - got = GET_32(rx, MSG_READ_COUNT); - if (got > count) { - return P9_READ_UNEXPECTED_DATA; - } - - /* Handle response. */ - memcpy(buffer, &rx[MSG_READ_DATA], got); - - return got; -} - -/** - * p9_stat - * - * Stat's the fid and writes the type and length to the file object. - * - * @param file[in|out] File object, contains fid for file. - * @return 0 = success, -ve = error. - * - * @remark - * size[4] Tstat tag[2] fid[4] - * size[4] Rstat tag[2] size[2] stat[n] - */ -int p9_stat(p9_file_t *file) -{ - int rc; - p9_connection_t *connection = file->connection; - - reset_buffers(); - file->length = 0; - file->type = 0; - - /* Build message. */ - PUT_HD(T_STAT, TAG); - PUT_32(file->fid); - - /* Send message. */ - rc = p9_transaction(connection); - if (rc != 0) { - return rc; - } - - /* Handle response. */ - file->length = GET_64(rx, MSG_STAT_LEN); - file->type = GET_08(rx, MSG_STAT_TYPE); - - - return 0; -} diff --git a/qemu/roms/SLOF/lib/libvirtio/p9.h b/qemu/roms/SLOF/lib/libvirtio/p9.h deleted file mode 100644 index 3a35e80ed..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/p9.h +++ /dev/null @@ -1,68 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#ifndef P9_H -#define P9_H - -#include <stdint.h> - - -#define P9_ERROR -1 -#define P9_UNKNOWN_VERSION -2 -#define P9_R_ERROR -3 -#define P9_MSG_TOO_LONG -4 -#define P9_UNEXPECTED_MSG -5 -#define P9_UNEXPECTED_TAG -6 -#define P9_TRANSPORT_ERROR -7 -#define P9_NO_TRANSPORT -8 -#define P9_NULL_PATH -9 -#define P9_PATH_ELEMENT_TOO_LONG -10 -#define P9_READ_UNEXPECTED_DATA -11 -#define P9_NO_BUFFER -12 -#define P9_MSG_SIZE_TOO_BIG -13 - -#define P9_PARTIAL_WALK 1 - -typedef int (*p9_transact_t)(void *opaque, uint8_t *tx, int tx_size, - uint8_t *rx, uint32_t *rx_size); - -typedef struct { - uint32_t message_size; - char *uname; /* User name. */ - char *aname; /* Tree/mount name/path. */ - uint32_t fid; /* Represents mount point. */ -} p9_connection_t; - -typedef struct { - uint32_t fid; /* Identifies the file to P9 server. */ - uint32_t iounit; /* Maximum read size in bytes. */ - uint8_t type; /* Type of file. */ - uint64_t length; /* Length of file. */ - p9_connection_t *connection; -} p9_file_t; - - -void reset_buffers(void); -void p9_reg_transport(p9_transact_t transact_func, void *opaque, - uint8_t *tx_buffer, uint8_t *rx_buffer); -int p9_transaction(p9_connection_t *connection); -int p9_version(p9_connection_t *connection); -int p9_attach(p9_connection_t *connection); -int p9_clunk(p9_connection_t *connection, uint32_t fid); -int p9_walk(p9_connection_t *connection, uint32_t fid, uint32_t new_fid, - uint8_t **pos); -int p9_open(p9_file_t *file, uint8_t mode); -int p9_read(p9_file_t *file, uint8_t *buffer, - uint32_t count, uint64_t offset); -int p9_stat(p9_file_t *file); - -#endif diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-9p.c b/qemu/roms/SLOF/lib/libvirtio/virtio-9p.c deleted file mode 100644 index fc5db9154..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio-9p.c +++ /dev/null @@ -1,347 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <stdio.h> -#include <string.h> -#include <stdint.h> -#include <byteorder.h> -#include <cpu.h> - -#include "virtio-9p.h" -#include "p9.h" - -static struct vqs vq; - -/** - * Notes for 9P Server config: - * - * make distclean; cm make qemu - * sudo cp boot_rom.bin /opt/qemu/share/qemu/slof.bin - * /opt/qemu/bin/qemu-system-ppc64 -M pseries -m 512 -boot d -nographic -fsdev - * local,id=trule,path=/home/trule/virtfs,security_model=none -device - * virtio-9p-spapr,fsdev=trule,mount_tag=trule - * load virtfs:\some\file - */ - -/* We support only one instance due to the (ab)use of globals. We - * use the buffer size as an open marker as well. - */ -static int __buf_size; - - -#define ROOT_FID 1 -#define FILE_FID 2 -#define TAG_SIZE 128 -#define MIN(a,b) ((a)>(b)?(b):(a)) - - -#undef DEBUG -//#define DEBUG -#ifdef DEBUG -#define dprintf(_x ...) do { printf(_x); } while(0) -#else -#define dprintf(_x ...) -#endif - -#ifdef DEBUG -static void dprint_buffer(const char *name, uint8_t *buffer, int length) -{ - int i; - - printf("*** %s ***", name); - - for (i = 0; i < length; i++) { - if (i % 16 == 0) { - printf("\n %04x:", i); - } - - printf(" %02x", buffer[i]); - } - - printf("\n"); -} -#else -#define dprint_buffer(n, b, l) -#endif - -/** - * virtio_9p_transact - * - * Perform a 9P transaction over the VIRTIO queue interface. This function is - * registered with the p9.c library via p9_reg_transport() to provide - * connectivity to the 9P server. - * - * @param tx[in] Data to send, mapped to first queue item. - * @param tx_size[in] Size of data to send. - * @param rx[out] Data to receive, mappend to second queue item. - * @param rx_size[out] Size of data received. - * @return 0 = success, -ve = error. - */ -static int virtio_9p_transact(void *opaque, uint8_t *tx, int tx_size, uint8_t *rx, - uint32_t *rx_size) -{ - struct virtio_device *dev = opaque; - struct vring_desc *desc; - int id, i; - uint32_t vq_size; - struct vring_desc *vq_desc; - struct vring_avail *vq_avail; - struct vring_used *vq_used; - volatile uint16_t *current_used_idx; - uint16_t last_used_idx; - - - /* Virt IO queues. */ - vq_size = virtio_get_qsize(dev, 0); - vq_desc = virtio_get_vring_desc(dev, 0); - vq_avail = virtio_get_vring_avail(dev, 0); - vq_used = virtio_get_vring_used(dev, 0); - - last_used_idx = vq_used->idx; - current_used_idx = &vq_used->idx; - - /* Determine descriptor index */ - id = (vq_avail->idx * 3) % vq_size; - - /* TX in first queue item. */ - dprint_buffer("TX", tx, tx_size); - - desc = &vq_desc[id]; - desc->addr = (uint64_t)tx; - desc->len = tx_size; - desc->flags = VRING_DESC_F_NEXT; - desc->next = (id + 1) % vq_size; - - /* RX in the second queue item. */ - desc = &vq_desc[(id + 1) % vq_size]; - desc->addr = (uint64_t)rx; - desc->len = *rx_size; - desc->flags = VRING_DESC_F_WRITE; - desc->next = 0; - - /* Tell HV that the queue is ready */ - vq_avail->ring[vq_avail->idx % vq_size] = id; - mb(); - vq_avail->idx += 1; - virtio_queue_notify(dev, 0); - - /* Receive the response. */ - i = 10000000; - while (*current_used_idx == last_used_idx && i-- > 0) { - // do something better - mb(); - } - if (i == 0) { - return -1; - } - - *rx_size = MIN(*rx_size, le32_to_cpu(*(uint32_t*)(&rx[0]))); - dprint_buffer("RX", rx, *rx_size); - - return 0; -} - -/** - * virtio_9p_init - * - * Establish the VIRTIO connection for use with the 9P server. Setup queues - * and negotiate capabilities. Setup the 9P (Client) library. - * - * @param reg[in] Pointer to device tree node for VIRTIO/9P interface. - * @param tx_buf[in] TX buffer for use by 9P Client lib - 8K in size. - * @param rx_buf[in] TX buffer for use by 9P Client lib - 8K in size. - * @param buf_size Somewhat redundant, buffer size expected to be 8k. - * @return 0 = success, -ve = error. - */ -int virtio_9p_init(struct virtio_device *dev, void *tx_buf, void *rx_buf, - int buf_size) -{ - struct vring_avail *vq_avail; - int status = VIRTIO_STAT_ACKNOWLEDGE; - - /* Check for double open */ - if (__buf_size) - return -1; - __buf_size = buf_size; - - dprintf("%s : device at %p\n", __func__, dev->base); - dprintf("%s : type is %04x\n", __func__, dev->type); - - /* Keep it disabled until the driver is 1.0 capable */ - dev->is_modern = false; - - virtio_reset_device(dev); - - /* Acknowledge device. */ - virtio_set_status(dev, status); - - /* Tell HV that we know how to drive the device. */ - status |= VIRTIO_STAT_DRIVER; - virtio_set_status(dev, status); - - /* Device specific setup - we do not support special features */ - virtio_set_guest_features(dev, 0); - - if (virtio_queue_init_vq(dev, &vq, 0)) - goto dev_error; - - vq_avail = virtio_get_vring_avail(dev, 0); - vq_avail->flags = VRING_AVAIL_F_NO_INTERRUPT; - vq_avail->idx = 0; - - /* Tell HV that setup succeeded */ - status |= VIRTIO_STAT_DRIVER_OK; - virtio_set_status(dev, status); - - /* Setup 9P library. */ - p9_reg_transport(virtio_9p_transact, dev,(uint8_t *)tx_buf, - (uint8_t *)rx_buf); - - dprintf("%s : complete\n", __func__); - return 0; - -dev_error: - printf("%s: failed\n", __func__); - status |= VIRTIO_STAT_FAILED; - virtio_set_status(dev, status); - return -1; -} - -/** - * virtio_9p_shutdown - */ -void virtio_9p_shutdown(struct virtio_device *dev) -{ - /* Quiesce device */ - virtio_set_status(dev, VIRTIO_STAT_FAILED); - - /* Reset device */ - virtio_reset_device(dev); - - __buf_size = 0; -} - -/** - * virtio_9p_load - * - * Read a file from the 9P Server on the VIRTIO interface. - * - * @param file_name[in] File to read, use Linux style paths. - * @param buffer[out] Where to read the file to. - * @return +ve = amount of data read, -ve = error. - */ -long virtio_9p_load(struct virtio_device *dev, const char *file_name, uint8_t *buffer) -{ - int rc; - uint16_t tag_len; - char tag_name[TAG_SIZE]; - uint64_t offset = 0; - uint8_t *pos = (uint8_t *)file_name; - int start_fid = ROOT_FID; - p9_connection_t connection = { - .message_size = __buf_size, - .fid = ROOT_FID, - .uname = "slof" - }; - p9_file_t file = { - .connection = &connection, - .fid = FILE_FID, - }; - - - /* Get the share name from 9P config space. */ - tag_len = virtio_get_config(dev, 0, sizeof(tag_len)); - if (tag_len >= TAG_SIZE) - tag_len = TAG_SIZE - 1; - __virtio_read_config(dev, tag_name, 2, tag_len); - connection.aname = tag_name; - - /* Connect to the 9P server. */ - dprintf("%s : connecting, tag = %s, user = %s, msgsize = %d\n", - __func__, connection.aname, connection.uname, - connection.message_size); - rc = p9_version(&connection); - if (rc != 0) { - printf("Version check failed, rc = %d\n", rc); - goto cleanup_connection; - } - rc = p9_attach(&connection); - if (rc != 0) { - printf("Attach failed, rc = %d\n", rc); - goto cleanup_connection; - } - dprintf("%s : connected, msgsize = %d\n", __func__, - connection.message_size); - - /* Walk to the file. */ - do { - dprintf("%s : walk path %s\n", __func__, pos); - rc = p9_walk(&connection, start_fid, FILE_FID, &pos); - - if (rc < 0) { /* Some error. */ - printf("Walk failed, rc = %d\n", rc); - goto cleanup_connection; - } - - /* - * If partial walk (*pos != 0) then continue the walk from - * mid point with start_fid updated to current position - * FILE_FID. FILE_FID will then be reused for the result of - * the next call to walk. - */ - start_fid = FILE_FID; - } while (*pos != 0); - - /* Open the file. */ - dprintf("%s : stat and open\n", __func__); - rc = p9_stat(&file); - if (rc != 0) { - printf("Stat failed, rc = %d\n", rc); - goto cleanup_file; - } - rc = p9_open(&file, 0x00); /* TODO find include for "read mode" */ - if (rc != 0) { - printf("Open failed, rc = %d\n", rc); - goto cleanup_file; - } - dprintf("%s : file opened, size %lld\n", __func__, file.length); - - /* Read the file contents to buffer. */ - while (offset < file.length) { - dprintf("%s : read from offset %llu\n", __func__, offset); - rc = p9_read(&file, buffer + offset, - file.length - offset, offset); - dprintf("%s : read done, length was %d\n", __func__, rc); - if (rc < 0) { - printf("Read failed, rc = %d\n", rc); - goto cleanup_file; - } - if (rc == 0) { - break; - } - offset += rc; - rc = 0; - } - - /* Cleanup and disconnect. */ -cleanup_file: - dprintf("%s : clunking file\n", __func__); - p9_clunk(&connection, file.fid); - -cleanup_connection: - dprintf("%s : clunking connection\n", __func__); - p9_clunk(&connection, connection.fid); - - - dprintf("%s : complete, read %llu bytes\n", __func__, offset); - return rc == 0 ? (long)offset : rc; -} diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-9p.h b/qemu/roms/SLOF/lib/libvirtio/virtio-9p.h deleted file mode 100644 index db2cf6f11..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio-9p.h +++ /dev/null @@ -1,32 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#ifndef VIRTIO_9P_H_ -#define VIRTIO_9P_H_ - -#include <stdint.h> - -#include "virtio.h" - -#if 0 -typedef struct { - uint16_t tag_lenth; - char tag[0]; -} virtio_9p_config_t; -#endif -int virtio_9p_init(struct virtio_device *dev, void *tx_buf, void *rx_buf, - int buf_size); -void virtio_9p_shutdown(struct virtio_device *dev); -long virtio_9p_load(struct virtio_device *dev, const char *file_name, uint8_t *buffer); - - -#endif /* VIRTIO_9P_H_ */ diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-blk.c b/qemu/roms/SLOF/lib/libvirtio/virtio-blk.c deleted file mode 100644 index 07ec1048f..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio-blk.c +++ /dev/null @@ -1,215 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <stdio.h> -#include <cpu.h> -#include <helpers.h> -#include <byteorder.h> -#include "virtio.h" -#include "virtio-blk.h" -#include "virtio-internal.h" - -#define DEFAULT_SECTOR_SIZE 512 -#define DRIVER_FEATURE_SUPPORT (VIRTIO_BLK_F_BLK_SIZE | VIRTIO_F_VERSION_1) - -static struct vqs vq; - -/** - * Initialize virtio-block device. - * @param dev pointer to virtio device information - */ -int -virtioblk_init(struct virtio_device *dev) -{ - struct vring_avail *vq_avail; - int blk_size = DEFAULT_SECTOR_SIZE; - uint64_t features; - int status = VIRTIO_STAT_ACKNOWLEDGE; - - /* Reset device */ - virtio_reset_device(dev); - - /* Acknowledge device. */ - virtio_set_status(dev, status); - - /* Tell HV that we know how to drive the device. */ - status |= VIRTIO_STAT_DRIVER; - virtio_set_status(dev, status); - - if (dev->is_modern) { - /* Negotiate features and sets FEATURES_OK if successful */ - if (virtio_negotiate_guest_features(dev, DRIVER_FEATURE_SUPPORT)) - goto dev_error; - - virtio_get_status(dev, &status); - } else { - /* Device specific setup - we support F_BLK_SIZE */ - virtio_set_guest_features(dev, VIRTIO_BLK_F_BLK_SIZE); - } - - if (virtio_queue_init_vq(dev, &vq, 0)) - goto dev_error; - - vq_avail = virtio_get_vring_avail(dev, 0); - vq_avail->flags = virtio_cpu_to_modern16(dev, VRING_AVAIL_F_NO_INTERRUPT); - vq_avail->idx = 0; - - /* Tell HV that setup succeeded */ - status |= VIRTIO_STAT_DRIVER_OK; - virtio_set_status(dev, status); - - features = virtio_get_host_features(dev); - if (features & VIRTIO_BLK_F_BLK_SIZE) { - blk_size = virtio_get_config(dev, - offset_of(struct virtio_blk_cfg, blk_size), - sizeof(blk_size)); - } - - return blk_size; -dev_error: - printf("%s: failed\n", __func__); - status |= VIRTIO_STAT_FAILED; - virtio_set_status(dev, status); - return 0; -} - - -/** - * Shutdown the virtio-block device. - * @param dev pointer to virtio device information - */ -void -virtioblk_shutdown(struct virtio_device *dev) -{ - /* Quiesce device */ - virtio_set_status(dev, VIRTIO_STAT_FAILED); - - /* Reset device */ - virtio_reset_device(dev); -} - -static void fill_blk_hdr(struct virtio_blk_req *blkhdr, bool is_modern, - uint32_t type, uint32_t ioprio, uint32_t sector) -{ - if (is_modern) { - blkhdr->type = cpu_to_le32(type); - blkhdr->ioprio = cpu_to_le32(ioprio); - blkhdr->sector = cpu_to_le64(sector); - } else { - blkhdr->type = type; - blkhdr->ioprio = ioprio; - blkhdr->sector = sector; - } -} - -/** - * Read blocks - * @param reg pointer to "reg" property - * @param buf pointer to destination buffer - * @param blocknum block number of the first block that should be read - * @param cnt amount of blocks that should be read - * @return number of blocks that have been read successfully - */ -int -virtioblk_read(struct virtio_device *dev, char *buf, uint64_t blocknum, long cnt) -{ - struct vring_desc *desc; - int id; - static struct virtio_blk_req blkhdr; - //struct virtio_blk_config *blkconf; - uint64_t capacity; - uint32_t vq_size, time; - struct vring_desc *vq_desc; /* Descriptor vring */ - struct vring_avail *vq_avail; /* "Available" vring */ - struct vring_used *vq_used; /* "Used" vring */ - volatile uint8_t status = -1; - volatile uint16_t *current_used_idx; - uint16_t last_used_idx, avail_idx; - int blk_size = DEFAULT_SECTOR_SIZE; - - //printf("virtioblk_read: dev=%p buf=%p blocknum=%li count=%li\n", - // dev, buf, blocknum, cnt); - - /* Check whether request is within disk capacity */ - capacity = virtio_get_config(dev, - offset_of(struct virtio_blk_cfg, capacity), - sizeof(capacity)); - if (blocknum + cnt - 1 > capacity) { - puts("virtioblk_read: Access beyond end of device!"); - return 0; - } - - blk_size = virtio_get_config(dev, - offset_of(struct virtio_blk_cfg, blk_size), - sizeof(blk_size)); - if (blk_size % DEFAULT_SECTOR_SIZE) { - fprintf(stderr, "virtio-blk: Unaligned sector read %d\n", blk_size); - return 0; - } - - vq_size = virtio_get_qsize(dev, 0); - vq_desc = virtio_get_vring_desc(dev, 0); - vq_avail = virtio_get_vring_avail(dev, 0); - vq_used = virtio_get_vring_used(dev, 0); - - avail_idx = virtio_modern16_to_cpu(dev, vq_avail->idx); - - last_used_idx = vq_used->idx; - current_used_idx = &vq_used->idx; - - /* Set up header */ - fill_blk_hdr(&blkhdr, dev->is_modern, VIRTIO_BLK_T_IN | VIRTIO_BLK_T_BARRIER, - 1, blocknum * blk_size / DEFAULT_SECTOR_SIZE); - - /* Determine descriptor index */ - id = (avail_idx * 3) % vq_size; - - /* Set up virtqueue descriptor for header */ - desc = &vq_desc[id]; - virtio_fill_desc(desc, dev->is_modern, (uint64_t)&blkhdr, - sizeof(struct virtio_blk_req), - VRING_DESC_F_NEXT, (id + 1) % vq_size); - - /* Set up virtqueue descriptor for data */ - desc = &vq_desc[(id + 1) % vq_size]; - virtio_fill_desc(desc, dev->is_modern, (uint64_t)buf, cnt * blk_size, - VRING_DESC_F_NEXT | VRING_DESC_F_WRITE, - (id + 2) % vq_size); - - /* Set up virtqueue descriptor for status */ - desc = &vq_desc[(id + 2) % vq_size]; - virtio_fill_desc(desc, dev->is_modern, (uint64_t)&status, 1, - VRING_DESC_F_WRITE, 0); - - vq_avail->ring[avail_idx % vq_size] = virtio_cpu_to_modern16 (dev, id); - mb(); - vq_avail->idx = virtio_cpu_to_modern16(dev, avail_idx + 1); - - /* Tell HV that the queue is ready */ - virtio_queue_notify(dev, 0); - - /* Wait for host to consume the descriptor */ - time = SLOF_GetTimer() + VIRTIO_TIMEOUT; - while (*current_used_idx == last_used_idx) { - // do something better - mb(); - if (time < SLOF_GetTimer()) - break; - } - - if (status == 0) - return cnt; - - printf("virtioblk_read failed! status = %i\n", status); - - return 0; -} diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-blk.h b/qemu/roms/SLOF/lib/libvirtio/virtio-blk.h deleted file mode 100644 index 2e7b5926b..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio-blk.h +++ /dev/null @@ -1,60 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -/* - * Virtio block device definitions. - * See Virtio Spec, Appendix D, for details - */ - -#ifndef _VIRTIO_BLK_H -#define _VIRTIO_BLK_H - -#include <stdint.h> - - -struct virtio_blk_cfg { - uint64_t capacity; - uint32_t size_max; - uint32_t seg_max; - struct virtio_blk_geometry { - uint16_t cylinders; - uint8_t heads; - uint8_t sectors; - } geometry; - uint32_t blk_size; - uint32_t sectors_max; -} __attribute__ ((packed)) ; - -/* Block request */ -struct virtio_blk_req { - uint32_t type ; - uint32_t ioprio ; - uint64_t sector ; -}; - -/* Block request types */ -#define VIRTIO_BLK_T_IN 0 -#define VIRTIO_BLK_T_OUT 1 -#define VIRTIO_BLK_T_SCSI_CMD 2 -#define VIRTIO_BLK_T_SCSI_CMD_OUT 3 -#define VIRTIO_BLK_T_FLUSH 4 -#define VIRTIO_BLK_T_FLUSH_OUT 5 -#define VIRTIO_BLK_T_BARRIER 0x80000000 - -/* VIRTIO_BLK Feature bits */ -#define VIRTIO_BLK_F_BLK_SIZE (1 << 6) - -extern int virtioblk_init(struct virtio_device *dev); -extern void virtioblk_shutdown(struct virtio_device *dev); -extern int virtioblk_read(struct virtio_device *dev, char *buf, uint64_t blocknum, long cnt); - -#endif /* _VIRTIO_BLK_H */ diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-internal.h b/qemu/roms/SLOF/lib/libvirtio/virtio-internal.h deleted file mode 100644 index 08662eab7..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio-internal.h +++ /dev/null @@ -1,48 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2016 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#ifndef _LIBVIRTIO_INTERNAL_H -#define _LIBVIRTIO_INTERNAL_H - -#include <byteorder.h> - -static inline uint16_t virtio_cpu_to_modern16(struct virtio_device *dev, uint16_t val) -{ - return dev->is_modern ? cpu_to_le16(val) : val; -} - -static inline uint32_t virtio_cpu_to_modern32(struct virtio_device *dev, uint32_t val) -{ - return dev->is_modern ? cpu_to_le32(val) : val; -} - -static inline uint64_t virtio_cpu_to_modern64(struct virtio_device *dev, uint64_t val) -{ - return dev->is_modern ? cpu_to_le64(val) : val; -} - -static inline uint16_t virtio_modern16_to_cpu(struct virtio_device *dev, uint16_t val) -{ - return dev->is_modern ? le16_to_cpu(val) : val; -} - -static inline uint32_t virtio_modern32_to_cpu(struct virtio_device *dev, uint32_t val) -{ - return dev->is_modern ? le32_to_cpu(val) : val; -} - -static inline uint64_t virtio_modern64_to_cpu(struct virtio_device *dev, uint64_t val) -{ - return dev->is_modern ? le64_to_cpu(val) : val; -} - -#endif /* _LIBVIRTIO_INTERNAL_H */ diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-net.c b/qemu/roms/SLOF/lib/libvirtio/virtio-net.c deleted file mode 100644 index fc620a201..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio-net.c +++ /dev/null @@ -1,361 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -/* - * This is the implementation for the Virtio network device driver. Details - * about the virtio-net interface can be found in Rusty Russel's "Virtio PCI - * Card Specification v0.8.10", appendix C, which can be found here: - * - * http://ozlabs.org/~rusty/virtio-spec/virtio-spec.pdf - */ - -#include <stdint.h> -#include <stdio.h> -#include <string.h> -#include <helpers.h> -#include <cache.h> -#include <byteorder.h> -#include "virtio.h" -#include "virtio-net.h" -#include "virtio-internal.h" - -#undef DEBUG -//#define DEBUG -#ifdef DEBUG -# define dprintf(fmt...) do { printf(fmt); } while(0) -#else -# define dprintf(fmt...) -#endif - -#define sync() asm volatile (" sync \n" ::: "memory") - -#define DRIVER_FEATURE_SUPPORT (VIRTIO_NET_F_MAC | VIRTIO_F_VERSION_1) - -struct virtio_device virtiodev; -static struct vqs vq_rx; /* Information about receive virtqueues */ -static struct vqs vq_tx; /* Information about transmit virtqueues */ - -/* See Virtio Spec, appendix C, "Device Operation" */ -struct virtio_net_hdr { - uint8_t flags; - uint8_t gso_type; - uint16_t hdr_len; - uint16_t gso_size; - uint16_t csum_start; - uint16_t csum_offset; - // uint16_t num_buffers; /* Only if VIRTIO_NET_F_MRG_RXBUF */ -}; - -static unsigned int net_hdr_size; - -struct virtio_net_hdr_v1 { - uint8_t flags; - uint8_t gso_type; - le16 hdr_len; - le16 gso_size; - le16 csum_start; - le16 csum_offset; - le16 num_buffers; -}; - -static uint16_t last_rx_idx; /* Last index in RX "used" ring */ - -/** - * Module init for virtio via PCI. - * Checks whether we're reponsible for the given device and set up - * the virtqueue configuration. - */ -static int virtionet_init_pci(struct virtio_device *dev) -{ - dprintf("virtionet: doing virtionet_init_pci!\n"); - - if (!dev) - return -1; - - /* make a copy of the device structure */ - memcpy(&virtiodev, dev, sizeof(struct virtio_device)); - - /* Reset device */ - virtio_reset_device(&virtiodev); - - /* The queue information can be retrieved via the virtio header that - * can be found in the I/O BAR. First queue is the receive queue, - * second the transmit queue, and the forth is the control queue for - * networking options. - * We are only interested in the receive and transmit queue here. */ - if (virtio_queue_init_vq(dev, &vq_rx, VQ_RX) || - virtio_queue_init_vq(dev, &vq_tx, VQ_TX)) { - virtio_set_status(dev, VIRTIO_STAT_ACKNOWLEDGE|VIRTIO_STAT_DRIVER - |VIRTIO_STAT_FAILED); - return -1; - } - - /* Acknowledge device. */ - virtio_set_status(&virtiodev, VIRTIO_STAT_ACKNOWLEDGE); - - return 0; -} - -/** - * Initialize the virtio-net device. - * See the Virtio Spec, chapter 2.2.1 and Appendix C "Device Initialization" - * for details. - */ -static int virtionet_init(net_driver_t *driver) -{ - int i; - int status = VIRTIO_STAT_ACKNOWLEDGE | VIRTIO_STAT_DRIVER; - - dprintf("virtionet_init(%02x:%02x:%02x:%02x:%02x:%02x)\n", - driver->mac_addr[0], driver->mac_addr[1], - driver->mac_addr[2], driver->mac_addr[3], - driver->mac_addr[4], driver->mac_addr[5]); - - if (driver->running != 0) - return 0; - - /* Tell HV that we know how to drive the device. */ - virtio_set_status(&virtiodev, status); - - /* Device specific setup */ - if (virtiodev.is_modern) { - if (virtio_negotiate_guest_features(&virtiodev, DRIVER_FEATURE_SUPPORT)) - goto dev_error; - net_hdr_size = sizeof(struct virtio_net_hdr_v1); - virtio_get_status(&virtiodev, &status); - } else { - net_hdr_size = sizeof(struct virtio_net_hdr); - virtio_set_guest_features(&virtiodev, 0); - } - - /* Allocate memory for one transmit an multiple receive buffers */ - vq_rx.buf_mem = SLOF_alloc_mem((BUFFER_ENTRY_SIZE+net_hdr_size) - * RX_QUEUE_SIZE); - if (!vq_rx.buf_mem) { - printf("virtionet: Failed to allocate buffers!\n"); - goto dev_error; - } - - /* Prepare receive buffer queue */ - for (i = 0; i < RX_QUEUE_SIZE; i++) { - uint64_t addr = (uint64_t)vq_rx.buf_mem - + i * (BUFFER_ENTRY_SIZE+net_hdr_size); - uint32_t id = i*2; - /* Descriptor for net_hdr: */ - virtio_fill_desc(&vq_rx.desc[id], virtiodev.is_modern, addr, net_hdr_size, - VRING_DESC_F_NEXT | VRING_DESC_F_WRITE, id + 1); - - /* Descriptor for data: */ - virtio_fill_desc(&vq_rx.desc[id+1], virtiodev.is_modern, addr + net_hdr_size, - BUFFER_ENTRY_SIZE, VRING_DESC_F_WRITE, 0); - - vq_rx.avail->ring[i] = virtio_cpu_to_modern16(&virtiodev, id); - } - sync(); - - vq_rx.avail->flags = virtio_cpu_to_modern16(&virtiodev, VRING_AVAIL_F_NO_INTERRUPT); - vq_rx.avail->idx = virtio_cpu_to_modern16(&virtiodev, RX_QUEUE_SIZE); - - last_rx_idx = virtio_modern16_to_cpu(&virtiodev, vq_rx.used->idx); - - vq_tx.avail->flags = virtio_cpu_to_modern16(&virtiodev, VRING_AVAIL_F_NO_INTERRUPT); - vq_tx.avail->idx = 0; - - /* Tell HV that setup succeeded */ - status |= VIRTIO_STAT_DRIVER_OK; - virtio_set_status(&virtiodev, status); - - /* Tell HV that RX queues are ready */ - virtio_queue_notify(&virtiodev, VQ_RX); - - driver->running = 1; - for(i = 0; i < (int)sizeof(driver->mac_addr); i++) { - driver->mac_addr[i] = virtio_get_config(&virtiodev, i, 1); - } - return 0; - -dev_error: - status |= VIRTIO_STAT_FAILED; - virtio_set_status(&virtiodev, status); - return -1; -} - - -/** - * Shutdown driver. - * We've got to make sure that the hosts stops all transfers since the buffers - * in our main memory will become invalid after this module has been terminated. - */ -static int virtionet_term(net_driver_t *driver) -{ - dprintf("virtionet_term()\n"); - - if (driver->running == 0) - return 0; - - /* Quiesce device */ - virtio_set_status(&virtiodev, VIRTIO_STAT_FAILED); - - /* Reset device */ - virtio_reset_device(&virtiodev); - - driver->running = 0; - - return 0; -} - - -/** - * Transmit a packet - */ -static int virtionet_xmit(char *buf, int len) -{ - int id, idx; - static struct virtio_net_hdr_v1 nethdr_v1; - static struct virtio_net_hdr nethdr_legacy; - void *nethdr = &nethdr_legacy; - - if (len > BUFFER_ENTRY_SIZE) { - printf("virtionet: Packet too big!\n"); - return 0; - } - - dprintf("\nvirtionet_xmit(packet at %p, %d bytes)\n", buf, len); - - if (virtiodev.is_modern) - nethdr = &nethdr_v1; - - memset(nethdr, 0, net_hdr_size); - - /* Determine descriptor index */ - idx = virtio_modern16_to_cpu(&virtiodev, vq_tx.avail->idx); - id = (idx * 2) % vq_tx.size; - - /* Set up virtqueue descriptor for header */ - virtio_fill_desc(&vq_tx.desc[id], virtiodev.is_modern, (uint64_t)nethdr, - net_hdr_size, VRING_DESC_F_NEXT, id + 1); - - /* Set up virtqueue descriptor for data */ - virtio_fill_desc(&vq_tx.desc[id+1], virtiodev.is_modern, (uint64_t)buf, len, 0, 0); - - vq_tx.avail->ring[idx % vq_tx.size] = virtio_cpu_to_modern16(&virtiodev, id); - sync(); - vq_tx.avail->idx = virtio_cpu_to_modern16(&virtiodev, idx + 1); - sync(); - - /* Tell HV that TX queue is ready */ - virtio_queue_notify(&virtiodev, VQ_TX); - - return len; -} - - -/** - * Receive a packet - */ -static int virtionet_receive(char *buf, int maxlen) -{ - uint32_t len = 0; - uint32_t id, idx; - - idx = virtio_modern16_to_cpu(&virtiodev, vq_rx.used->idx); - - if (last_rx_idx == idx) { - /* Nothing received yet */ - return 0; - } - - id = (virtio_modern32_to_cpu(&virtiodev, vq_rx.used->ring[last_rx_idx % vq_rx.size].id) + 1) - % vq_rx.size; - len = virtio_modern32_to_cpu(&virtiodev, vq_rx.used->ring[last_rx_idx % vq_rx.size].len) - - net_hdr_size; - dprintf("virtionet_receive() last_rx_idx=%i, vq_rx.used->idx=%i," - " id=%i len=%i\n", last_rx_idx, vq_rx.used->idx, id, len); - - if (len > (uint32_t)maxlen) { - printf("virtio-net: Receive buffer not big enough!\n"); - len = maxlen; - } - -#if 0 - /* Dump packet */ - printf("\n"); - int i; - for (i=0; i<64; i++) { - printf(" %02x", *(uint8_t*)(vq_rx.desc[id].addr+i)); - if ((i%16)==15) - printf("\n"); - } - prinfk("\n"); -#endif - - /* Copy data to destination buffer */ - memcpy(buf, (void *)virtio_modern64_to_cpu(&virtiodev, vq_rx.desc[id].addr), len); - - /* Move indices to next entries */ - last_rx_idx = last_rx_idx + 1; - - vq_rx.avail->ring[idx % vq_rx.size] = virtio_cpu_to_modern16(&virtiodev, id - 1); - sync(); - vq_rx.avail->idx = virtio_cpu_to_modern16(&virtiodev, idx + 1); - - /* Tell HV that RX queue entry is ready */ - virtio_queue_notify(&virtiodev, VQ_RX); - - return len; -} - -net_driver_t *virtionet_open(struct virtio_device *dev) -{ - net_driver_t *driver; - - driver = SLOF_alloc_mem(sizeof(*driver)); - if (!driver) { - printf("Unable to allocate virtio-net driver\n"); - return NULL; - } - - driver->running = 0; - - if (virtionet_init_pci(dev)) - goto FAIL; - - if (virtionet_init(driver)) - goto FAIL; - - return driver; - -FAIL: SLOF_free_mem(driver, sizeof(*driver)); - return NULL; -} - -void virtionet_close(net_driver_t *driver) -{ - if (driver) { - virtionet_term(driver); - SLOF_free_mem(driver, sizeof(*driver)); - } -} - -int virtionet_read(char *buf, int len) -{ - if (buf) - return virtionet_receive(buf, len); - return -1; -} - -int virtionet_write(char *buf, int len) -{ - if (buf) - return virtionet_xmit(buf, len); - return -1; -} diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-net.h b/qemu/roms/SLOF/lib/libvirtio/virtio-net.h deleted file mode 100644 index c2d8ee336..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio-net.h +++ /dev/null @@ -1,34 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#ifndef VIRTIO_NET_H -#define VIRTIO_NET_H - -#include <netdriver.h> - -#define RX_QUEUE_SIZE 128 -#define BUFFER_ENTRY_SIZE 1514 - -enum { - VQ_RX = 0, /* Receive Queue */ - VQ_TX = 1, /* Transmit Queue */ -}; - -/* VIRTIO_NET Feature bits */ -#define VIRTIO_NET_F_MAC (1 << 5) - -extern net_driver_t *virtionet_open(struct virtio_device *dev); -extern void virtionet_close(net_driver_t *driver); -extern int virtionet_read(char *buf, int len); -extern int virtionet_write(char *buf, int len); - -#endif diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-scsi.c b/qemu/roms/SLOF/lib/libvirtio/virtio-scsi.c deleted file mode 100644 index 04181b06c..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio-scsi.c +++ /dev/null @@ -1,155 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2012 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <stdio.h> -#include <string.h> -#include <cpu.h> -#include <helpers.h> -#include "virtio.h" -#include "virtio-internal.h" -#include "virtio-scsi.h" - -int virtioscsi_send(struct virtio_device *dev, - struct virtio_scsi_req_cmd *req, - struct virtio_scsi_resp_cmd *resp, - int is_read, void *buf, uint64_t buf_len) -{ - struct vring_desc *vq_desc; /* Descriptor vring */ - struct vring_avail *vq_avail; /* "Available" vring */ - struct vring_used *vq_used; /* "Used" vring */ - - volatile uint16_t *current_used_idx; - uint16_t last_used_idx, avail_idx; - int id; - uint32_t vq_size, time; - - int vq = VIRTIO_SCSI_REQUEST_VQ; - - vq_size = virtio_get_qsize(dev, vq); - vq_desc = virtio_get_vring_desc(dev, vq); - vq_avail = virtio_get_vring_avail(dev, vq); - vq_used = virtio_get_vring_used(dev, vq); - - avail_idx = virtio_modern16_to_cpu(dev, vq_avail->idx); - - last_used_idx = vq_used->idx; - current_used_idx = &vq_used->idx; - - /* Determine descriptor index */ - id = (avail_idx * 3) % vq_size; - virtio_fill_desc(&vq_desc[id], dev->is_modern, (uint64_t)req, sizeof(*req), VRING_DESC_F_NEXT, - (id + 1) % vq_size); - - /* Set up virtqueue descriptor for data */ - if (buf && buf_len) { - virtio_fill_desc(&vq_desc[(id + 1) % vq_size], dev->is_modern, - (uint64_t)resp, sizeof(*resp), - VRING_DESC_F_NEXT | VRING_DESC_F_WRITE, - (id + 2) % vq_size); - /* Set up virtqueue descriptor for status */ - virtio_fill_desc(&vq_desc[(id + 2) % vq_size], dev->is_modern, - (uint64_t)buf, buf_len, - (is_read ? VRING_DESC_F_WRITE : 0), 0); - } else { - virtio_fill_desc(&vq_desc[(id + 1) % vq_size], dev->is_modern, - (uint64_t)resp, sizeof(*resp), - VRING_DESC_F_WRITE, 0); - } - - vq_avail->ring[avail_idx % vq_size] = virtio_cpu_to_modern16(dev, id); - mb(); - vq_avail->idx = virtio_cpu_to_modern16(dev, avail_idx + 1); - - /* Tell HV that the vq is ready */ - virtio_queue_notify(dev, vq); - - /* Wait for host to consume the descriptor */ - time = SLOF_GetTimer() + VIRTIO_TIMEOUT; - while (*current_used_idx == last_used_idx) { - // do something better - mb(); - if (time < SLOF_GetTimer()) - break; - } - - return 0; -} - -/** - * Initialize virtio-block device. - * @param dev pointer to virtio device information - */ -int virtioscsi_init(struct virtio_device *dev) -{ - struct vring_avail *vq_avail; - unsigned int idx = 0; - int qsize = 0; - int status = VIRTIO_STAT_ACKNOWLEDGE; - - /* Reset device */ - // XXX That will clear the virtq base. We need to move - // initializing it to here anyway - // - // virtio_reset_device(dev); - - /* Acknowledge device. */ - virtio_set_status(dev, status); - - /* Tell HV that we know how to drive the device. */ - status |= VIRTIO_STAT_DRIVER; - virtio_set_status(dev, status); - - /* Device specific setup - we do not support special features right now */ - if (dev->is_modern) { - if (virtio_negotiate_guest_features(dev, VIRTIO_F_VERSION_1)) - goto dev_error; - virtio_get_status(dev, &status); - } else { - virtio_set_guest_features(dev, 0); - } - - while(1) { - qsize = virtio_get_qsize(dev, idx); - if (!qsize) - break; - virtio_vring_size(qsize); - - vq_avail = virtio_get_vring_avail(dev, idx); - vq_avail->flags = virtio_cpu_to_modern16(dev, VRING_AVAIL_F_NO_INTERRUPT); - vq_avail->idx = 0; - idx++; - } - - /* Tell HV that setup succeeded */ - status |= VIRTIO_STAT_DRIVER_OK; - virtio_set_status(dev, status); - - return 0; -dev_error: - printf("%s: failed\n", __func__); - status |= VIRTIO_STAT_FAILED; - virtio_set_status(dev, status); - return -1; -} - -/** - * Shutdown the virtio-block device. - * @param dev pointer to virtio device information - */ -void virtioscsi_shutdown(struct virtio_device *dev) -{ - /* Quiesce device */ - virtio_set_status(dev, VIRTIO_STAT_FAILED); - - /* Reset device */ - virtio_reset_device(dev); -} diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-scsi.h b/qemu/roms/SLOF/lib/libvirtio/virtio-scsi.h deleted file mode 100644 index 451ba4d99..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio-scsi.h +++ /dev/null @@ -1,69 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2012 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -/* - * Virtio SCSI Host device definitions. - * See Virtio Spec, Appendix I, for details - */ - -#ifndef _VIRTIO_SCSI_H -#define _VIRTIO_SCSI_H - -#define VIRTIO_SCSI_CDB_SIZE 32 -#define VIRTIO_SCSI_SENSE_SIZE 96 - -#define VIRTIO_SCSI_CONTROL_VQ 0 -#define VIRTIO_SCSI_EVENT_VQ 1 -#define VIRTIO_SCSI_REQUEST_VQ 2 - -struct virtio_scsi_config -{ - uint32_t num_queues; - uint32_t seg_max; - uint32_t max_sectors; - uint32_t cmd_per_lun; - uint32_t event_info_size; - uint32_t sense_size; - uint32_t cdb_size; - uint16_t max_channel; - uint16_t max_target; - uint32_t max_lun; -} __attribute__((packed)); - -/* This is the first element of the "out" scatter-gather list. */ -struct virtio_scsi_req_cmd { - uint8_t lun[8]; - uint64_t tag; - uint8_t task_attr; - uint8_t prio; - uint8_t crn; - char cdb[VIRTIO_SCSI_CDB_SIZE]; -}; - -/* This is the first element of the "in" scatter-gather list. */ -struct virtio_scsi_resp_cmd { - uint32_t sense_len; - uint32_t residual; - uint16_t status_qualifier; - uint8_t status; - uint8_t response; - uint8_t sense[VIRTIO_SCSI_SENSE_SIZE]; -}; - -extern int virtioscsi_init(struct virtio_device *dev); -extern void virtioscsi_shutdown(struct virtio_device *dev); -extern int virtioscsi_send(struct virtio_device *dev, - struct virtio_scsi_req_cmd *req, - struct virtio_scsi_resp_cmd *resp, - int is_read, void *buf, uint64_t buf_len); - -#endif /* _VIRTIO_SCSI_H */ diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio.c b/qemu/roms/SLOF/lib/libvirtio/virtio.c deleted file mode 100644 index f189941c7..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio.c +++ /dev/null @@ -1,576 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <stdio.h> -#include <stdbool.h> -#include <stdlib.h> -#include <string.h> -#include <stddef.h> -#include <cpu.h> -#include <cache.h> -#include <byteorder.h> -#include "virtio.h" -#include "helpers.h" - -/* PCI virtio header offsets */ -#define VIRTIOHDR_DEVICE_FEATURES 0 -#define VIRTIOHDR_GUEST_FEATURES 4 -#define VIRTIOHDR_QUEUE_ADDRESS 8 -#define VIRTIOHDR_QUEUE_SIZE 12 -#define VIRTIOHDR_QUEUE_SELECT 14 -#define VIRTIOHDR_QUEUE_NOTIFY 16 -#define VIRTIOHDR_DEVICE_STATUS 18 -#define VIRTIOHDR_ISR_STATUS 19 -#define VIRTIOHDR_DEVICE_CONFIG 20 - -/* PCI defines */ -#define PCI_BASE_ADDR_SPACE_IO 0x01 -#define PCI_BASE_ADDR_SPACE_64BIT 0x04 -#define PCI_BASE_ADDR_MEM_MASK (~0x0fUL) -#define PCI_BASE_ADDR_IO_MASK (~0x03UL) - -#define PCI_BASE_ADDR_REG_0 0x10 -#define PCI_CONFIG_CAP_REG 0x34 - -#define PCI_CAP_ID_VNDR 0x9 - -/* Common configuration */ -#define VIRTIO_PCI_CAP_COMMON_CFG 1 -/* Notifications */ -#define VIRTIO_PCI_CAP_NOTIFY_CFG 2 -/* ISR access */ -#define VIRTIO_PCI_CAP_ISR_CFG 3 -/* Device specific configuration */ -#define VIRTIO_PCI_CAP_DEVICE_CFG 4 -/* PCI configuration access */ -#define VIRTIO_PCI_CAP_PCI_CFG 5 - -#define VIRTIO_PCI_CAP_VNDR 0 /* Generic PCI field: PCI_CAP_ID_VNDR */ -#define VIRTIO_PCI_CAP_NEXT 1 /* Generic PCI field: next ptr. */ -#define VIRTIO_PCI_CAP_LEN 2 /* Generic PCI field: capability length */ -#define VIRTIO_PCI_CAP_CFG_TYPE 3 /* Identifies the structure. */ -#define VIRTIO_PCI_CAP_BAR 4 /* Where to find it. */ -#define VIRTIO_PCI_CAP_OFFSET 8 /* Offset within bar. */ -#define VIRTIO_PCI_CAP_LENGTH 12 /* Length of the structure, in bytes. */ - -struct virtio_dev_common { - le32 dev_features_sel; - le32 dev_features; - le32 drv_features_sel; - le32 drv_features; - le16 msix_config; - le16 num_queues; - uint8_t dev_status; - uint8_t cfg_generation; - - le16 q_select; - le16 q_size; - le16 q_msix_vec; - le16 q_enable; - le16 q_notify_off; - le64 q_desc; - le64 q_avail; - le64 q_used; -} __attribute__ ((packed)); - -/* virtio 1.0 Spec: 4.1.3 PCI Device Layout - * - * Fields of different sizes are present in the device configuration regions. - * All 64-bit, 32-bit and 16-bit fields are little-endian. 64-bit fields are to - * be treated as two 32-bit fields, with low 32 bit part followed by the high 32 - * bit part. - */ -static void virtio_pci_write64(void *addr, uint64_t val) -{ - uint32_t hi = (val >> 32) & 0xFFFFFFFF; - uint32_t lo = val & 0xFFFFFFFF; - - ci_write_32(addr, cpu_to_le32(lo)); - ci_write_32(addr + 4, cpu_to_le32(hi)); -} - -static uint64_t virtio_pci_read64(void *addr) -{ - uint64_t hi, lo; - - lo = le32_to_cpu(ci_read_32(addr)); - hi = le32_to_cpu(ci_read_32(addr + 4)); - return (hi << 32) | lo; -} - -static void virtio_cap_set_base_addr(struct virtio_cap *cap, uint32_t offset) -{ - uint64_t addr; - - addr = SLOF_pci_config_read32(PCI_BASE_ADDR_REG_0 + 4 * cap->bar); - if (addr & PCI_BASE_ADDR_SPACE_IO) { - addr = addr & PCI_BASE_ADDR_IO_MASK; - cap->is_io = 1; - } else { - if (addr & PCI_BASE_ADDR_SPACE_64BIT) - addr |= SLOF_pci_config_read32(PCI_BASE_ADDR_REG_0 + 4 * (cap->bar + 1)) << 32; - addr = addr & PCI_BASE_ADDR_MEM_MASK; - cap->is_io = 0; - } - addr = (uint64_t)SLOF_translate_my_address((void *)addr); - cap->addr = (void *)addr + offset; -} - -static void virtio_process_cap(struct virtio_device *dev, uint8_t cap_ptr) -{ - struct virtio_cap *cap; - uint8_t cfg_type, bar; - uint32_t offset; - - cfg_type = SLOF_pci_config_read8(cap_ptr + VIRTIO_PCI_CAP_CFG_TYPE); - bar = SLOF_pci_config_read8(cap_ptr + VIRTIO_PCI_CAP_BAR); - offset = SLOF_pci_config_read32(cap_ptr + VIRTIO_PCI_CAP_OFFSET); - - switch(cfg_type) { - case VIRTIO_PCI_CAP_COMMON_CFG: - cap = &dev->common; - break; - case VIRTIO_PCI_CAP_NOTIFY_CFG: - cap = &dev->notify; - dev->notify_off_mul = SLOF_pci_config_read32(cap_ptr + sizeof(struct virtio_cap)); - break; - case VIRTIO_PCI_CAP_ISR_CFG: - cap = &dev->isr; - break; - case VIRTIO_PCI_CAP_DEVICE_CFG: - cap = &dev->device; - break; - default: - return; - } - - cap->bar = bar; - virtio_cap_set_base_addr(cap, offset); - cap->cap_id = cfg_type; -} - -/** - * Reads the virtio device capabilities, gets called from SLOF routines The - * function determines legacy or modern device and sets up driver registers - */ -struct virtio_device *virtio_setup_vd(void) -{ - uint8_t cap_ptr, cap_vndr; - struct virtio_device *dev; - - dev = SLOF_alloc_mem(sizeof(struct virtio_device)); - if (!dev) { - printf("Failed to allocate memory"); - return NULL; - } - - cap_ptr = SLOF_pci_config_read8(PCI_CONFIG_CAP_REG); - while (cap_ptr != 0) { - cap_vndr = SLOF_pci_config_read8(cap_ptr + VIRTIO_PCI_CAP_VNDR); - if (cap_vndr == PCI_CAP_ID_VNDR) - virtio_process_cap(dev, cap_ptr); - cap_ptr = SLOF_pci_config_read8(cap_ptr+VIRTIO_PCI_CAP_NEXT); - } - - if (dev->common.cap_id && dev->notify.cap_id && - dev->isr.cap_id && dev->device.cap_id) { - dev->is_modern = 1; - } else { - dev->is_modern = 0; - dev->legacy.cap_id = 0; - dev->legacy.bar = 0; - virtio_cap_set_base_addr(&dev->legacy, 0); - } - return dev; -} - -/** - * Calculate ring size according to queue size number - */ -unsigned long virtio_vring_size(unsigned int qsize) -{ - return VQ_ALIGN(sizeof(struct vring_desc) * qsize + - sizeof(struct vring_avail) + sizeof(uint16_t) * qsize) + - VQ_ALIGN(sizeof(struct vring_used) + - sizeof(struct vring_used_elem) * qsize); -} - - -/** - * Get number of elements in a vring - * @param dev pointer to virtio device information - * @param queue virtio queue number - * @return number of elements - */ -unsigned int virtio_get_qsize(struct virtio_device *dev, int queue) -{ - unsigned int size = 0; - - if (dev->is_modern) { - void *addr = dev->common.addr + offset_of(struct virtio_dev_common, q_select); - ci_write_16(addr, cpu_to_le16(queue)); - eieio(); - addr = dev->common.addr + offset_of(struct virtio_dev_common, q_size); - size = le16_to_cpu(ci_read_16(addr)); - } - else { - ci_write_16(dev->legacy.addr+VIRTIOHDR_QUEUE_SELECT, - cpu_to_le16(queue)); - eieio(); - size = le16_to_cpu(ci_read_16(dev->legacy.addr+VIRTIOHDR_QUEUE_SIZE)); - } - - return size; -} - - -/** - * Get address of descriptor vring - * @param dev pointer to virtio device information - * @param queue virtio queue number - * @return pointer to the descriptor ring - */ -struct vring_desc *virtio_get_vring_desc(struct virtio_device *dev, int queue) -{ - struct vring_desc *desc = 0; - - if (dev->is_modern) { - void *q_sel = dev->common.addr + offset_of(struct virtio_dev_common, q_select); - void *q_desc = dev->common.addr + offset_of(struct virtio_dev_common, q_desc); - - ci_write_16(q_sel, cpu_to_le16(queue)); - eieio(); - desc = (void *)(virtio_pci_read64(q_desc)); - } else { - ci_write_16(dev->legacy.addr+VIRTIOHDR_QUEUE_SELECT, - cpu_to_le16(queue)); - eieio(); - desc = (void*)(4096L * - le32_to_cpu(ci_read_32(dev->legacy.addr+VIRTIOHDR_QUEUE_ADDRESS))); - } - - return desc; -} - - -/** - * Get address of "available" vring - * @param dev pointer to virtio device information - * @param queue virtio queue number - * @return pointer to the "available" ring - */ -struct vring_avail *virtio_get_vring_avail(struct virtio_device *dev, int queue) -{ - if (dev->is_modern) { - void *q_sel = dev->common.addr + offset_of(struct virtio_dev_common, q_select); - void *q_avail = dev->common.addr + offset_of(struct virtio_dev_common, q_avail); - - ci_write_16(q_sel, cpu_to_le16(queue)); - eieio(); - return (void *)(virtio_pci_read64(q_avail)); - } - else { - return (void*)((uint64_t)virtio_get_vring_desc(dev, queue) + - virtio_get_qsize(dev, queue) * sizeof(struct vring_desc)); - } -} - - -/** - * Get address of "used" vring - * @param dev pointer to virtio device information - * @param queue virtio queue number - * @return pointer to the "used" ring - */ -struct vring_used *virtio_get_vring_used(struct virtio_device *dev, int queue) -{ - if (dev->is_modern) { - void *q_sel = dev->common.addr + offset_of(struct virtio_dev_common, q_select); - void *q_used = dev->common.addr + offset_of(struct virtio_dev_common, q_used); - - ci_write_16(q_sel, cpu_to_le16(queue)); - eieio(); - return (void *)(virtio_pci_read64(q_used)); - } else { - return (void*)VQ_ALIGN((uint64_t)virtio_get_vring_avail(dev, queue) - + virtio_get_qsize(dev, queue) - * sizeof(struct vring_avail)); - } -} - -/** - * Fill the virtio ring descriptor depending on the legacy mode or virtio 1.0 - */ -void virtio_fill_desc(struct vring_desc *desc, bool is_modern, - uint64_t addr, uint32_t len, - uint16_t flags, uint16_t next) -{ - if (is_modern) { - desc->addr = cpu_to_le64(addr); - desc->len = cpu_to_le32(len); - desc->flags = cpu_to_le16(flags); - desc->next = cpu_to_le16(next); - } else { - desc->addr = addr; - desc->len = len; - desc->flags = flags; - desc->next = next; - } -} - -/** - * Reset virtio device - */ -void virtio_reset_device(struct virtio_device *dev) -{ - virtio_set_status(dev, 0); -} - - -/** - * Notify hypervisor about queue update - */ -void virtio_queue_notify(struct virtio_device *dev, int queue) -{ - if (dev->is_modern) { - void *q_sel = dev->common.addr + offset_of(struct virtio_dev_common, q_select); - void *q_ntfy = dev->common.addr + offset_of(struct virtio_dev_common, q_notify_off); - void *addr; - uint16_t q_notify_off; - - ci_write_16(q_sel, cpu_to_le16(queue)); - eieio(); - q_notify_off = le16_to_cpu(ci_read_16(q_ntfy)); - addr = dev->notify.addr + q_notify_off * dev->notify_off_mul; - ci_write_16(addr, cpu_to_le16(queue)); - } else { - ci_write_16(dev->legacy.addr+VIRTIOHDR_QUEUE_NOTIFY, cpu_to_le16(queue)); - } -} - -/** - * Set queue address - */ -void virtio_set_qaddr(struct virtio_device *dev, int queue, unsigned long qaddr) -{ - if (dev->is_modern) { - uint64_t q_desc = qaddr; - uint64_t q_avail; - uint64_t q_used; - uint32_t q_size = virtio_get_qsize(dev, queue); - - virtio_pci_write64(dev->common.addr + offset_of(struct virtio_dev_common, q_desc), q_desc); - q_avail = q_desc + q_size * sizeof(struct vring_desc); - virtio_pci_write64(dev->common.addr + offset_of(struct virtio_dev_common, q_avail), q_avail); - q_used = VQ_ALIGN(q_avail + sizeof(struct vring_avail) + sizeof(uint16_t) * q_size); - virtio_pci_write64(dev->common.addr + offset_of(struct virtio_dev_common, q_used), q_used); - ci_write_16(dev->common.addr + offset_of(struct virtio_dev_common, q_enable), cpu_to_le16(1)); - } else { - uint32_t val = qaddr; - val = val >> 12; - ci_write_16(dev->legacy.addr+VIRTIOHDR_QUEUE_SELECT, - cpu_to_le16(queue)); - eieio(); - ci_write_32(dev->legacy.addr+VIRTIOHDR_QUEUE_ADDRESS, - cpu_to_le32(val)); - } -} - -int virtio_queue_init_vq(struct virtio_device *dev, struct vqs *vq, unsigned int id) -{ - vq->size = virtio_get_qsize(dev, id); - vq->desc = SLOF_alloc_mem_aligned(virtio_vring_size(vq->size), 4096); - if (!vq->desc) { - printf("memory allocation failed!\n"); - return -1; - } - memset(vq->desc, 0, virtio_vring_size(vq->size)); - virtio_set_qaddr(dev, id, (unsigned long)vq->desc); - vq->avail = virtio_get_vring_avail(dev, id); - vq->used = virtio_get_vring_used(dev, id); - vq->id = id; - return 0; -} - -/** - * Set device status bits - */ -void virtio_set_status(struct virtio_device *dev, int status) -{ - if (dev->is_modern) { - ci_write_8(dev->common.addr + - offset_of(struct virtio_dev_common, dev_status), status); - } else { - ci_write_8(dev->legacy.addr+VIRTIOHDR_DEVICE_STATUS, status); - } -} - -/** - * Get device status bits - */ -void virtio_get_status(struct virtio_device *dev, int *status) -{ - if (dev->is_modern) { - *status = ci_read_8(dev->common.addr + - offset_of(struct virtio_dev_common, dev_status)); - } else { - *status = ci_read_8(dev->legacy.addr+VIRTIOHDR_DEVICE_STATUS); - } -} - -/** - * Set guest feature bits - */ -void virtio_set_guest_features(struct virtio_device *dev, uint64_t features) - -{ - if (dev->is_modern) { - uint32_t f1 = (features >> 32) & 0xFFFFFFFF; - uint32_t f0 = features & 0xFFFFFFFF; - void *addr = dev->common.addr; - - ci_write_32(addr + offset_of(struct virtio_dev_common, drv_features_sel), - cpu_to_le32(1)); - ci_write_32(addr + offset_of(struct virtio_dev_common, drv_features), - cpu_to_le32(f1)); - - ci_write_32(addr + offset_of(struct virtio_dev_common, drv_features_sel), - cpu_to_le32(0)); - ci_write_32(addr + offset_of(struct virtio_dev_common, drv_features), - cpu_to_le32(f0)); - } else { - ci_write_32(dev->legacy.addr+VIRTIOHDR_GUEST_FEATURES, cpu_to_le32(features)); - } -} - -/** - * Get host feature bits - */ -uint64_t virtio_get_host_features(struct virtio_device *dev) - -{ - uint64_t features = 0; - if (dev->is_modern) { - uint32_t f0 = 0, f1 = 0; - void *addr = dev->common.addr; - - ci_write_32(addr + offset_of(struct virtio_dev_common, dev_features_sel), - cpu_to_le32(1)); - f1 = ci_read_32(addr + - offset_of(struct virtio_dev_common, dev_features)); - ci_write_32(addr + offset_of(struct virtio_dev_common, dev_features_sel), - cpu_to_le32(0)); - f0 = ci_read_32(addr + - offset_of(struct virtio_dev_common, dev_features)); - - features = ((uint64_t)le32_to_cpu(f1) << 32) | le32_to_cpu(f0); - } else { - features = le32_to_cpu(ci_read_32(dev->legacy.addr+VIRTIOHDR_DEVICE_FEATURES)); - } - return features; -} - -int virtio_negotiate_guest_features(struct virtio_device *dev, uint64_t features) -{ - uint64_t host_features = 0; - int status; - - /* Negotiate features */ - host_features = virtio_get_host_features(dev); - if (!(host_features & VIRTIO_F_VERSION_1)) { - fprintf(stderr, "Device does not support virtio 1.0 %llx\n", host_features); - return -1; - } - - virtio_set_guest_features(dev, features); - host_features = virtio_get_host_features(dev); - if ((host_features & features) != features) { - fprintf(stderr, "Features error %llx\n", features); - return -1; - } - - virtio_get_status(dev, &status); - status |= VIRTIO_STAT_FEATURES_OK; - virtio_set_status(dev, status); - - /* Read back to verify the FEATURES_OK bit */ - virtio_get_status(dev, &status); - if ((status & VIRTIO_STAT_FEATURES_OK) != VIRTIO_STAT_FEATURES_OK) - return -1; - - return 0; -} - -/** - * Get additional config values - */ -uint64_t virtio_get_config(struct virtio_device *dev, int offset, int size) -{ - uint64_t val = ~0ULL; - uint32_t hi, lo; - void *confbase; - - if (dev->is_modern) - confbase = dev->device.addr; - else - confbase = dev->legacy.addr+VIRTIOHDR_DEVICE_CONFIG; - - switch (size) { - case 1: - val = ci_read_8(confbase+offset); - break; - case 2: - val = ci_read_16(confbase+offset); - if (dev->is_modern) - val = le16_to_cpu(val); - break; - case 4: - val = ci_read_32(confbase+offset); - if (dev->is_modern) - val = le32_to_cpu(val); - break; - case 8: - /* We don't support 8 bytes PIO accesses - * in qemu and this is all PIO - */ - lo = ci_read_32(confbase+offset); - hi = ci_read_32(confbase+offset+4); - if (dev->is_modern) - val = (uint64_t)le32_to_cpu(hi) << 32 | le32_to_cpu(lo); - else - val = (uint64_t)hi << 32 | lo; - break; - } - - return val; -} - -/** - * Get config blob - */ -int __virtio_read_config(struct virtio_device *dev, void *dst, - int offset, int len) -{ - void *confbase; - unsigned char *buf = dst; - int i; - - if (dev->is_modern) - confbase = dev->device.addr; - else - confbase = dev->legacy.addr+VIRTIOHDR_DEVICE_CONFIG; - - for (i = 0; i < len; i++) - buf[i] = ci_read_8(confbase + offset + i); - - return len; -} diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio.code b/qemu/roms/SLOF/lib/libvirtio/virtio.code deleted file mode 100644 index 8eec8f055..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio.code +++ /dev/null @@ -1,167 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <virtio.h> -#include <virtio-blk.h> -#include <virtio-9p.h> -#include <virtio-scsi.h> -#include <virtio-net.h> - -/******** core virtio ********/ - -// : virtio-setup-vd ( -- dev ) -PRIM(virtio_X2d_setup_X2d_vd) - PUSH; TOS.a = virtio_setup_vd(); -MIRP - -// : virtio-vring-size ( queuesize -- ringsize ) -PRIM(virtio_X2d_vring_X2d_size) - TOS.u = virtio_vring_size(TOS.u); -MIRP - -// : virtio-get-qsize ( dev queue -- queuesize ) -PRIM(virtio_X2d_get_X2d_qsize) - int queue = TOS.u; POP; - TOS.u = virtio_get_qsize(TOS.a, queue); -MIRP - -// : virtio-get-config ( dev offset size -- val ) -PRIM(virtio_X2d_get_X2d_config) - int size = TOS.u; POP; - int offset = TOS.u; POP; - TOS.u = virtio_get_config(TOS.a, offset, size); -MIRP - -// : virtio-set-qaddr ( dev queue qaddr -- ) -PRIM(virtio_X2d_set_X2d_qaddr) - unsigned int qaddr = TOS.u; POP; - int queue = TOS.u; POP; - void *dev = TOS.a; POP; - virtio_set_qaddr(dev, queue, qaddr); -MIRP - -/******** virtio-blk ********/ - -// : virtio-blk-init ( dev -- blk-size) -PRIM(virtio_X2d_blk_X2d_init) - void *dev = TOS.a; - TOS.u = virtioblk_init(dev); -MIRP - -// : virtio-blk-shutdown ( dev -- ) -PRIM(virtio_X2d_blk_X2d_shutdown) - void *dev = TOS.a; POP; - virtioblk_shutdown(dev); -MIRP - -// : virtio-blk-read ( dev blkno cnt reg -- #read ) -PRIM(virtio_X2d_blk_X2d_read) - void *dev = TOS.a; POP; - long cnt = TOS.n; POP; - long blkno = TOS.n; POP; - void *buf = TOS.a; - TOS.n = virtioblk_read(dev, buf, blkno, cnt); -MIRP - -/******** virtio-fs ********/ - -// : virtio-fs-init ( dev tx rx size -- success ) -PRIM(virtio_X2d_fs_X2d_init) - int size = TOS.n; POP; - void *rx = TOS.a; POP; - void *tx = TOS.a; POP; - void *dev = TOS.a; - - TOS.n = virtio_9p_init(dev, tx, rx, size) == 0 ? -1 : 0; -MIRP - -// : virtio-fs-shutdown ( dev -- ) -PRIM(virtio_X2d_fs_X2d_shutdown) - void *dev = TOS.a; POP; - - virtio_9p_shutdown(dev); -MIRP - -// : virtio-fs-load ( dev buf str -- #read ) -PRIM(virtio_X2d_fs_X2d_load) - char *str = TOS.a; POP; - void *buf = TOS.a; POP; - void *dev = TOS.a; - - TOS.n = virtio_9p_load(dev, str, buf); -MIRP - -/******** virtio-scsi ********/ - -// : virtio-scsi-init ( dev -- success ) -PRIM(virtio_X2d_scsi_X2d_init) - void *dev = TOS.a; - TOS.u = virtioscsi_init(dev); -MIRP - -// : virtio-scsi-shutdown ( dev -- ) -PRIM(virtio_X2d_scsi_X2d_shutdown) - void *dev = TOS.a; POP; - virtioscsi_shutdown(dev); -MIRP - -// : virtio-scsi-send ( buf_addr buf_len is_read req_ptr rsp_ptr dev -- success) -PRIM(virtio_X2d_scsi_X2d_send) - void *dev = TOS.a; POP; - void *resp = TOS.a; POP; - void *req = TOS.a; POP; - int is_read = !!TOS.n; POP; - uint64_t blen = TOS.n; POP; - void *buf = TOS.a; - TOS.n = virtioscsi_send(dev, req, resp, is_read, buf, blen); -MIRP - -/******** virtio-net ********/ - -// : virtio-net-open ( dev -- false | [ driver true ] ) -PRIM(virtio_X2d_net_X2d_open) -{ - void *dev = TOS.a; - - net_driver_t *net_driver = virtionet_open(dev); - - if (net_driver) { - TOS.u = (unsigned long)net_driver; PUSH; - TOS.n = -1; - } else - TOS.n = 0; -} -MIRP - -// : virtio-net-close ( driver -- ) -PRIM(virtio_X2d_net_X2d_close) -{ - net_driver_t *driver = TOS.a; POP; - virtionet_close(driver); -} -MIRP - -// : virtio-net-read ( addr len -- actual ) -PRIM(virtio_X2d_net_X2d_read) -{ - int len = TOS.u; POP; - TOS.n = virtionet_read(TOS.a, len); -} -MIRP - -// : virtio-net-write ( addr len -- actual ) -PRIM(virtio_X2d_net_X2d_write) -{ - int len = TOS.u; POP; - TOS.n = virtionet_write(TOS.a, len); -} -MIRP diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio.h b/qemu/roms/SLOF/lib/libvirtio/virtio.h deleted file mode 100644 index 0fee4baec..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio.h +++ /dev/null @@ -1,128 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#ifndef _LIBVIRTIO_H -#define _LIBVIRTIO_H - -#include <stdint.h> -#include <stdbool.h> - -/* Device status bits */ -#define VIRTIO_STAT_ACKNOWLEDGE 1 -#define VIRTIO_STAT_DRIVER 2 -#define VIRTIO_STAT_DRIVER_OK 4 -#define VIRTIO_STAT_FEATURES_OK 8 -#define VIRTIO_STAT_NEEDS_RESET 64 -#define VIRTIO_STAT_FAILED 128 - -#define BIT(x) (1UL << (x)) - -/* VIRTIO 1.0 Device independent feature bits */ -#define VIRTIO_F_RING_INDIRECT_DESC BIT(28) -#define VIRTIO_F_RING_EVENT_IDX BIT(29) -#define VIRTIO_F_VERSION_1 BIT(32) - -#define VIRTIO_TIMEOUT 5000 /* 5 sec timeout */ - -/* Definitions for vring_desc.flags */ -#define VRING_DESC_F_NEXT 1 /* buffer continues via the next field */ -#define VRING_DESC_F_WRITE 2 /* buffer is write-only (otherwise read-only) */ -#define VRING_DESC_F_INDIRECT 4 /* buffer contains a list of buffer descriptors */ - -/* Descriptor table entry - see Virtio Spec chapter 2.3.2 */ -struct vring_desc { - uint64_t addr; /* Address (guest-physical) */ - uint32_t len; /* Length */ - uint16_t flags; /* The flags as indicated above */ - uint16_t next; /* Next field if flags & NEXT */ -}; - -/* Definitions for vring_avail.flags */ -#define VRING_AVAIL_F_NO_INTERRUPT 1 - -/* Available ring - see Virtio Spec chapter 2.3.4 */ -struct vring_avail { - uint16_t flags; - uint16_t idx; - uint16_t ring[]; -}; - -/* Definitions for vring_used.flags */ -#define VRING_USED_F_NO_NOTIFY 1 - -struct vring_used_elem { - uint32_t id; /* Index of start of used descriptor chain */ - uint32_t len; /* Total length of the descriptor chain which was used */ -}; - -struct vring_used { - uint16_t flags; - uint16_t idx; - struct vring_used_elem ring[]; -}; - -/* Structure shared with SLOF and is 16bytes */ -struct virtio_cap { - void *addr; - uint8_t bar; - uint8_t is_io; - uint8_t cap_id; -}; - -struct virtio_device { - uint32_t is_modern; /* Indicates whether to use virtio 1.0 */ - struct virtio_cap legacy; - struct virtio_cap common; - struct virtio_cap notify; - struct virtio_cap isr; - struct virtio_cap device; - struct virtio_cap pci; - uint32_t notify_off_mul; -}; - -struct vqs { - uint64_t id; /* Queue ID */ - uint32_t size; - void *buf_mem; - struct vring_desc *desc; - struct vring_avail *avail; - struct vring_used *used; -}; - -/* Parts of the virtqueue are aligned on a 4096 byte page boundary */ -#define VQ_ALIGN(addr) (((addr) + 0xfff) & ~0xfff) - -extern unsigned long virtio_vring_size(unsigned int qsize); -extern unsigned int virtio_get_qsize(struct virtio_device *dev, int queue); -extern struct vring_desc *virtio_get_vring_desc(struct virtio_device *dev, int queue); -extern struct vring_avail *virtio_get_vring_avail(struct virtio_device *dev, int queue); -extern struct vring_used *virtio_get_vring_used(struct virtio_device *dev, int queue); -extern void virtio_fill_desc(struct vring_desc *desc, bool is_modern, - uint64_t addr, uint32_t len, - uint16_t flags, uint16_t next); -extern int virtio_queue_init_vq(struct virtio_device *dev, struct vqs *vq, unsigned int id); - -extern struct virtio_device *virtio_setup_vd(void); -extern void virtio_reset_device(struct virtio_device *dev); -extern void virtio_queue_notify(struct virtio_device *dev, int queue); -extern void virtio_set_status(struct virtio_device *dev, int status); -extern void virtio_get_status(struct virtio_device *dev, int *status); -extern void virtio_set_qaddr(struct virtio_device *dev, int queue, unsigned long qaddr); -extern void virtio_set_guest_features(struct virtio_device *dev, uint64_t features); -extern uint64_t virtio_get_host_features(struct virtio_device *dev); -extern int virtio_negotiate_guest_features(struct virtio_device *dev, uint64_t features); -extern uint64_t virtio_get_config(struct virtio_device *dev, int offset, int size); -extern int __virtio_read_config(struct virtio_device *dev, void *dst, - int offset, int len); - - -#endif /* _LIBVIRTIO_H */ diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio.in b/qemu/roms/SLOF/lib/libvirtio/virtio.in deleted file mode 100644 index 195840e0f..000000000 --- a/qemu/roms/SLOF/lib/libvirtio/virtio.in +++ /dev/null @@ -1,35 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2011 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -cod(virtio-setup-vd) - -cod(virtio-vring-size) -cod(virtio-get-qsize) -cod(virtio-get-config) -cod(virtio-set-qaddr) - -cod(virtio-blk-init) -cod(virtio-blk-shutdown) -cod(virtio-blk-read) - -cod(virtio-scsi-init) -cod(virtio-scsi-shutdown) -cod(virtio-scsi-send) - -cod(virtio-fs-init) -cod(virtio-fs-shutdown) -cod(virtio-fs-load) - -cod(virtio-net-open) -cod(virtio-net-close) -cod(virtio-net-read) -cod(virtio-net-write) |